diff options
579 files changed, 11651 insertions, 4571 deletions
@@ -48,6 +48,9 @@ Felix Kuhling <fxkuehl@gmx.de> Felix Moeller <felix@derklecks.de> Filipe Lautert <filipe@icewall.org> Franck Bui-Huu <vagabon.xyz@gmail.com> +Frank Rowand <frowand.list@gmail.com> <frowand@mvista.com> +Frank Rowand <frowand.list@gmail.com> <frank.rowand@am.sony.com> +Frank Rowand <frowand.list@gmail.com> <frank.rowand@sonymobile.com> Frank Zago <fzago@systemfabricworks.com> Greg Kroah-Hartman <greg@echidna.(none)> Greg Kroah-Hartman <gregkh@suse.de> @@ -66,6 +69,7 @@ Jean Tourrilhes <jt@hpl.hp.com> Jeff Garzik <jgarzik@pretzel.yyz.us> Jens Axboe <axboe@suse.de> Jens Osterkamp <Jens.Osterkamp@de.ibm.com> +John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> John Stultz <johnstul@us.ibm.com> <josh@joshtriplett.org> <josh@freedesktop.org> <josh@joshtriplett.org> <josh@kernel.org> @@ -79,6 +83,7 @@ Kay Sievers <kay.sievers@vrfy.org> Kenneth W Chen <kenneth.w.chen@intel.com> Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com> Koushik <raghavendra.koushik@neterion.com> +Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com> Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Leonid I Ananiev <leonid.i.ananiev@intel.com> Linas Vepstas <linas@austin.ibm.com> diff --git a/Documentation/ABI/testing/sysfs-platform-usbip-vudc b/Documentation/ABI/testing/sysfs-platform-usbip-vudc new file mode 100644 index 000000000000..81fcfb454913 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-usbip-vudc @@ -0,0 +1,35 @@ +What: /sys/devices/platform/usbip-vudc.%d/dev_desc +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + This file allows to read device descriptor of + gadget driver which is currently bound to this + controller. It is possible to read this file + only if gadget driver is bound, otherwise error + is returned. + +What: /sys/devices/platform/usbip-vudc.%d/usbip_status +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + Current status of the device. + Allowed values: + 1 - Device is available and can be exported + 2 - Device is currently exported + 3 - Fatal error occurred during communication + with peer + +What: /sys/devices/platform/usbip-vudc.%d/usbip_sockfd +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + This file allows to export usb device to + connection peer. It is done by writing to this + file socket fd (as a string for example "8") + associated with a connection to remote peer who + would like to use this device. It is possible to + close the connection by writing -1 instead of + socked fd. diff --git a/Documentation/devicetree/bindings/arc/archs-pct.txt b/Documentation/devicetree/bindings/arc/archs-pct.txt index 1ae98b87c640..e4b9dcee6d41 100644 --- a/Documentation/devicetree/bindings/arc/archs-pct.txt +++ b/Documentation/devicetree/bindings/arc/archs-pct.txt @@ -2,7 +2,7 @@ The ARC HS can be configured with a pipeline performance monitor for counting CPU and cache events like cache misses and hits. Like conventional PCT there -are 100+ hardware conditions dynamically mapped to upto 32 counters. +are 100+ hardware conditions dynamically mapped to up to 32 counters. It also supports overflow interrupts. Required properties: diff --git a/Documentation/devicetree/bindings/arc/pct.txt b/Documentation/devicetree/bindings/arc/pct.txt index 7b9588444f20..4e874d9a38a6 100644 --- a/Documentation/devicetree/bindings/arc/pct.txt +++ b/Documentation/devicetree/bindings/arc/pct.txt @@ -2,7 +2,7 @@ The ARC700 can be configured with a pipeline performance monitor for counting CPU and cache events like cache misses and hits. Like conventional PCT there -are 100+ hardware conditions dynamically mapped to upto 32 counters +are 100+ hardware conditions dynamically mapped to up to 32 counters Note that: * The ARC 700 PCT does not support interrupts; although HW events may be diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index ccc62f145306..3f0cbbb8395f 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -192,7 +192,6 @@ nodes to be present and contain the properties described below. can be one of: "allwinner,sun6i-a31" "allwinner,sun8i-a23" - "arm,psci" "arm,realview-smp" "brcm,bcm-nsp-smp" "brcm,brahma-b15" diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index 30df832a6f2f..87adfb227ca9 100644 --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -32,6 +32,10 @@ Optional properties: - target-supply : regulator for SATA target power - phys : reference to the SATA PHY node - phy-names : must be "sata-phy" +- ports-implemented : Mask that indicates which ports that the HBA supports + are available for software to use. Useful if PORTS_IMPL + is not programmed by the BIOS, which is true with + some embedded SOC's. Required properties when using sub-nodes: - #address-cells : number of cells to encode an address diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt index f0d71bc52e64..0b4a85fe2d86 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt @@ -6,8 +6,8 @@ RK3xxx SoCs. Required properties : - reg : Offset and length of the register set for the device - - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c" or - "rockchip,rk3288-i2c". + - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c", + "rockchip,rk3228-i2c" or "rockchip,rk3288-i2c". - interrupts : interrupt number - clocks : parent clock diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index 28a4781ab6d7..0ae06491b430 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -45,13 +45,13 @@ Required properties: Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports - mac-address : See ethernet.txt file in the same directory -- phy_id : Specifies slave phy id +- phy_id : Specifies slave phy id (deprecated, use phy-handle) - phy-handle : See ethernet.txt file in the same directory Slave sub-nodes: - fixed-link : See fixed-link.txt file in the same directory - Either the property phy_id, or the sub-node - fixed-link can be specified + +Note: Exactly one of phy_id, phy-handle, or fixed-link must be specified. Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. diff --git a/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt b/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt new file mode 100644 index 000000000000..a7aee9ea8926 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt @@ -0,0 +1,21 @@ +Driver for Broadcom Northstar USB 2.0 PHY + +Required properties: +- compatible: brcm,ns-usb2-phy +- reg: iomem address range of DMU (Device Management Unit) +- reg-names: "dmu", the only needed & supported reg right now +- clocks: USB PHY reference clock +- clock-names: "phy-ref-clk", the only needed & supported clock right now + +To initialize USB 2.0 PHY driver needs to setup PLL correctly. To do this it +requires passing phandle to the USB PHY reference clock. + +Example: + usb2-phy { + compatible = "brcm,ns-usb2-phy"; + reg = <0x1800c000 0x1000>; + reg-names = "dmu"; + #phy-cells = <0>; + clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>; + clock-names = "phy-ref-clk"; + }; diff --git a/Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt index d87ab7c127b8..d0231209d846 100644 --- a/Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt +++ b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt @@ -1,14 +1,17 @@ -* Broadcom SATA3 PHY for STB +* Broadcom SATA3 PHY Required properties: - compatible: should be one or more of "brcm,bcm7425-sata-phy" "brcm,bcm7445-sata-phy" + "brcm,iproc-ns2-sata-phy" "brcm,phy-sata3" - address-cells: should be 1 - size-cells: should be 0 -- reg: register range for the PHY PCB interface -- reg-names: should be "phy" +- reg: register ranges for the PHY PCB interface +- reg-names: should be "phy" and "phy-ctrl" + The "phy-ctrl" registers are only required for + "brcm,iproc-ns2-sata-phy". Sub-nodes: Each port's PHY should be represented as a sub-node. @@ -16,12 +19,12 @@ Sub-nodes: Sub-nodes required properties: - reg: the PHY number - phy-cells: generic PHY binding; must be 0 -Optional: -- brcm,enable-ssc: use spread spectrum clocking (SSC) on this port +Sub-nodes optional properties: +- brcm,enable-ssc: use spread spectrum clocking (SSC) on this port + This property is not applicable for "brcm,iproc-ns2-sata-phy". Example: - sata-phy@f0458100 { compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3"; reg = <0xf0458100 0x1e00>, <0xf045804c 0x10>; diff --git a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt index 00100cf3e037..33a2b1ee3f3e 100644 --- a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt +++ b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt @@ -4,7 +4,9 @@ mt65xx USB3.0 PHY binding This binding describes a usb3.0 phy for mt65xx platforms of Medaitek SoC. Required properties (controller (parent) node): - - compatible : should be "mediatek,mt8173-u3phy" + - compatible : should be one of + "mediatek,mt2701-u3phy" + "mediatek,mt8173-u3phy" - reg : offset and length of register for phy, exclude port's register. - clocks : a list of phandle + clock-specifier pairs, one for each diff --git a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt b/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt index d564ba4f1cf6..91da947ae9b6 100644 --- a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt +++ b/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt @@ -7,6 +7,12 @@ Required properties: - compatible: "renesas,usb-phy-r8a7790" if the device is a part of R8A7790 SoC. "renesas,usb-phy-r8a7791" if the device is a part of R8A7791 SoC. "renesas,usb-phy-r8a7794" if the device is a part of R8A7794 SoC. + "renesas,rcar-gen2-usb-phy" for a generic R-Car Gen2 compatible device. + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first + followed by the generic version. + - reg: offset and length of the register block. - #address-cells: number of address cells for the USB channel subnodes, must be <1>. @@ -34,7 +40,7 @@ the USB channel; see the selector meanings below: Example (Lager board): usb-phy@e6590100 { - compatible = "renesas,usb-phy-r8a7790"; + compatible = "renesas,usb-phy-r8a7790", "renesas,rcar-gen2-usb-phy"; reg = <0 0xe6590100 0 0x100>; #address-cells = <1>; #size-cells = <0>; diff --git a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt b/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt index eaf7e9b7ce6b..2281d6cdecb1 100644 --- a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt +++ b/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt @@ -6,6 +6,12 @@ This file provides information on what the device node for the R-Car generation Required properties: - compatible: "renesas,usb2-phy-r8a7795" if the device is a part of an R8A7795 SoC. + "renesas,rcar-gen3-usb2-phy" for a generic R-Car Gen3 compatible device. + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first + followed by the generic version. + - reg: offset and length of the partial USB 2.0 Host register block. - clocks: clock phandle and specifier pair(s). - #phy-cells: see phy-bindings.txt in the same directory, must be <0>. @@ -15,18 +21,20 @@ To use a USB channel where USB 2.0 Host and HSUSB (USB 2.0 Peripheral) are combined, the device tree node should set interrupt properties to use the channel as USB OTG: - interrupts: interrupt specifier for the PHY. +- vbus-supply: Phandle to a regulator that provides power to the VBUS. This + regulator will be managed during the PHY power on/off sequence. Example (R-Car H3): usb-phy@ee080200 { - compatible = "renesas,usb2-phy-r8a7795"; + compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy"; reg = <0 0xee080200 0 0x700>; interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp7_clks R8A7795_CLK_EHCI0>; }; usb-phy@ee0a0200 { - compatible = "renesas,usb2-phy-r8a7795"; + compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy"; reg = <0 0xee0a0200 0 0x700>; clocks = <&mstp7_clks R8A7795_CLK_EHCI0>; }; diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt index 0289d3b07853..9872ba8546bd 100644 --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt +++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt @@ -2,9 +2,20 @@ Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY ------------------------------------------------- Required properties: -- compatible : should be "samsung,s5pv210-mipi-video-phy"; +- compatible : should be one of the listed compatibles: + - "samsung,s5pv210-mipi-video-phy" + - "samsung,exynos5420-mipi-video-phy" + - "samsung,exynos5433-mipi-video-phy" - #phy-cells : from the generic phy bindings, must be 1; -- syscon - phandle to the PMU system controller; + +In case of s5pv210 and exynos5420 compatible PHYs: +- syscon - phandle to the PMU system controller + +In case of exynos5433 compatible PHY: + - samsung,pmu-syscon - phandle to the PMU system controller + - samsung,disp-sysreg - phandle to the DISP system registers controller + - samsung,cam0-sysreg - phandle to the CAM0 system registers controller + - samsung,cam1-sysreg - phandle to the CAM1 system registers controller For "samsung,s5pv210-mipi-video-phy" compatible PHYs the second cell in the PHY specifier identifies the PHY and its meaning is as follows: @@ -12,6 +23,9 @@ the PHY specifier identifies the PHY and its meaning is as follows: 1 - MIPI DSIM 0, 2 - MIPI CSIS 1, 3 - MIPI DSIM 1. +"samsung,exynos5420-mipi-video-phy" and "samsung,exynos5433-mipi-video-phy" +supports additional fifth PHY: + 4 - MIPI CSIS 2. Samsung EXYNOS SoC series Display Port PHY ------------------------------------------------- diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index fb2ad0acedbd..7d7ce089b003 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -14,7 +14,6 @@ Optional properties: the second element is expected to be a handle to the USB3/SS PHY - phys: from the *Generic PHY* bindings - phy-names: from the *Generic PHY* bindings - - tx-fifo-resize: determines if the FIFO *has* to be reallocated. - snps,usb3_lpm_capable: determines if platform is USB3 LPM capable - snps,disable_scramble_quirk: true when SW should disable data scrambling. Only really useful for FPGA builds. @@ -38,6 +37,8 @@ Optional properties: - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy. - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG, disabling the suspend signal to the PHY. + - snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection + in PHY P3 power state. - snps,is-utmi-l1-suspend: true when DWC3 asserts output signal utmi_l1_suspend_n, false when asserts utmi_sleep_n - snps,hird-threshold: HIRD threshold @@ -47,6 +48,8 @@ Optional properties: register for post-silicon frame length adjustment when the fladj_30mhz_sdbnd signal is invalid or incorrect. + - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated. + This is usually a subnode to DWC3 glue to which it is connected. dwc3@4a030000 { @@ -54,5 +57,4 @@ dwc3@4a030000 { reg = <0x4a030000 0xcfff>; interrupts = <0 92 4> usb-phy = <&usb2_phy>, <&usb3,phy>; - tx-fifo-resize; }; diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt index ca164e71dd50..39acb084bce9 100644 --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt @@ -59,7 +59,6 @@ Example device nodes: interrupts = <0 205 0x4>; phys = <&hs_phy>, <&ss_phy>; phy-names = "usb2-phy", "usb3-phy"; - tx-fifo-resize; dr_mode = "host"; }; }; diff --git a/Documentation/networking/altera_tse.txt b/Documentation/networking/altera_tse.txt index 3f24df8c6e65..50b8589d12fd 100644 --- a/Documentation/networking/altera_tse.txt +++ b/Documentation/networking/altera_tse.txt @@ -6,7 +6,7 @@ This is the driver for the Altera Triple-Speed Ethernet (TSE) controllers using the SGDMA and MSGDMA soft DMA IP components. The driver uses the platform bus to obtain component resources. The designs used to test this driver were built for a Cyclone(R) V SOC FPGA board, a Cyclone(R) V FPGA board, -and tested with ARM and NIOS processor hosts seperately. The anticipated use +and tested with ARM and NIOS processor hosts separately. The anticipated use cases are simple communications between an embedded system and an external peer for status and simple configuration of the embedded system. @@ -65,14 +65,14 @@ Driver parameters can be also passed in command line by using: 4.1) Transmit process When the driver's transmit routine is called by the kernel, it sets up a transmit descriptor by calling the underlying DMA transmit routine (SGDMA or -MSGDMA), and initites a transmit operation. Once the transmit is complete, an +MSGDMA), and initiates a transmit operation. Once the transmit is complete, an interrupt is driven by the transmit DMA logic. The driver handles the transmit completion in the context of the interrupt handling chain by recycling resource required to send and track the requested transmit operation. 4.2) Receive process The driver will post receive buffers to the receive DMA logic during driver -intialization. Receive buffers may or may not be queued depending upon the +initialization. Receive buffers may or may not be queued depending upon the underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able to queue receive buffers to the SGDMA receive logic). When a packet is received, the DMA logic generates an interrupt. The driver handles a receive diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt index cf996394e466..14422f8fcdc4 100644 --- a/Documentation/networking/ipvlan.txt +++ b/Documentation/networking/ipvlan.txt @@ -8,7 +8,7 @@ Initial Release: This is conceptually very similar to the macvlan driver with one major exception of using L3 for mux-ing /demux-ing among slaves. This property makes the master device share the L2 with it's slave devices. I have developed this -driver in conjuntion with network namespaces and not sure if there is use case +driver in conjunction with network namespaces and not sure if there is use case outside of it. @@ -42,7 +42,7 @@ out. In this mode the slaves will RX/TX multicast and broadcast (if applicable) as well. 4.2 L3 mode: - In this mode TX processing upto L3 happens on the stack instance attached + In this mode TX processing up to L3 happens on the stack instance attached to the slave device and packets are switched to the stack instance of the master device for the L2 processing and routing from that instance will be used before packets are queued on the outbound device. In this mode the slaves @@ -56,7 +56,7 @@ situations defines your use case then you can choose to use ipvlan - (a) The Linux host that is connected to the external switch / router has policy configured that allows only one mac per port. (b) No of virtual devices created on a master exceed the mac capacity and -puts the NIC in promiscous mode and degraded performance is a concern. +puts the NIC in promiscuous mode and degraded performance is a concern. (c) If the slave device is to be put into the hostile / untrusted network namespace where L2 on the slave could be changed / misused. diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt index f4be85e96005..2c4e3354e128 100644 --- a/Documentation/networking/pktgen.txt +++ b/Documentation/networking/pktgen.txt @@ -67,12 +67,12 @@ The two basic thread commands are: * add_device DEVICE@NAME -- adds a single device * rem_device_all -- remove all associated devices -When adding a device to a thread, a corrosponding procfile is created +When adding a device to a thread, a corresponding procfile is created which is used for configuring this device. Thus, device names need to be unique. To support adding the same device to multiple threads, which is useful -with multi queue NICs, a the device naming scheme is extended with "@": +with multi queue NICs, the device naming scheme is extended with "@": device@something The part after "@" can be anything, but it is custom to use the thread @@ -221,7 +221,7 @@ Sample scripts A collection of tutorial scripts and helpers for pktgen is in the samples/pktgen directory. The helper parameters.sh file support easy -and consistant parameter parsing across the sample scripts. +and consistent parameter parsing across the sample scripts. Usage example and help: ./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2 diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt index d52aa10cfe91..5da679c573d2 100644 --- a/Documentation/networking/vrf.txt +++ b/Documentation/networking/vrf.txt @@ -41,7 +41,7 @@ using an rx_handler which gives the impression that packets flow through the VRF device. Similarly on egress routing rules are used to send packets to the VRF device driver before getting sent out the actual interface. This allows tcpdump on a VRF device to capture all packets into and out of the -VRF as a whole.[1] Similiarly, netfilter [2] and tc rules can be applied +VRF as a whole.[1] Similarly, netfilter [2] and tc rules can be applied using the VRF device to specify rules that apply to the VRF domain as a whole. [1] Packets in the forwarded state do not flow through the device, so those diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.txt index d7aac9dedeb4..8d88e0f2ec49 100644 --- a/Documentation/networking/xfrm_sync.txt +++ b/Documentation/networking/xfrm_sync.txt @@ -4,7 +4,7 @@ Krisztian <hidden@balabit.hu> and others and additional patches from Jamal <hadi@cyberus.ca>. The end goal for syncing is to be able to insert attributes + generate -events so that the an SA can be safely moved from one machine to another +events so that the SA can be safely moved from one machine to another for HA purposes. The idea is to synchronize the SA so that the takeover machine can do the processing of the SA as accurate as possible if it has access to it. @@ -13,7 +13,7 @@ We already have the ability to generate SA add/del/upd events. These patches add ability to sync and have accurate lifetime byte (to ensure proper decay of SAs) and replay counters to avoid replay attacks with as minimal loss at failover time. -This way a backup stays as closely uptodate as an active member. +This way a backup stays as closely up-to-date as an active member. Because the above items change for every packet the SA receives, it is possible for a lot of the events to be generated. @@ -163,7 +163,7 @@ If you have an SA that is getting hit by traffic in bursts such that there is a period where the timer threshold expires with no packets seen, then an odd behavior is seen as follows: The first packet arrival after a timer expiry will trigger a timeout -aevent; i.e we dont wait for a timeout period or a packet threshold +event; i.e we don't wait for a timeout period or a packet threshold to be reached. This is done for simplicity and efficiency reasons. -JHS diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index cb0368459da3..34a5fece3121 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -581,15 +581,16 @@ Specify "[Nn]ode" for node order "Zone Order" orders the zonelists by zone type, then by node within each zone. Specify "[Zz]one" for zone order. -Specify "[Dd]efault" to request automatic configuration. Autoconfiguration -will select "node" order in following case. -(1) if the DMA zone does not exist or -(2) if the DMA zone comprises greater than 50% of the available memory or -(3) if any node's DMA zone comprises greater than 70% of its local memory and - the amount of local memory is big enough. - -Otherwise, "zone" order will be selected. Default order is recommended unless -this is causing problems for your system/application. +Specify "[Dd]efault" to request automatic configuration. + +On 32-bit, the Normal zone needs to be preserved for allocations accessible +by the kernel, so "zone" order will be selected. + +On 64-bit, devices that require DMA32/DMA are relatively rare, so "node" +order will be selected. + +Default order is recommended unless this is causing problems for your +system/application. ============================================================== diff --git a/Documentation/usb/chipidea.txt b/Documentation/usb/chipidea.txt index 678741b0f213..edf7cdfddc88 100644 --- a/Documentation/usb/chipidea.txt +++ b/Documentation/usb/chipidea.txt @@ -3,14 +3,17 @@ To show how to demo OTG HNP and SRP functions via sys input files with 2 Freescale i.MX6Q sabre SD boards. -1.1 How to enable OTG FSM in menuconfig +1.1 How to enable OTG FSM --------------------------------------- -Select CONFIG_USB_OTG_FSM, rebuild kernel Image and modules. -If you want to check some internal variables for otg fsm, -mount debugfs, there are 2 files which can show otg fsm -variables and some controller registers value: +1.1.1 Select CONFIG_USB_OTG_FSM in menuconfig, rebuild kernel +Image and modules. If you want to check some internal +variables for otg fsm, mount debugfs, there are 2 files +which can show otg fsm variables and some controller registers value: cat /sys/kernel/debug/ci_hdrc.0/otg cat /sys/kernel/debug/ci_hdrc.0/registers +1.1.2 Add below entries in your dts file for your controller node + otg-rev = <0x0200>; + adp-disable; 1.2 Test operations ------------------- diff --git a/MAINTAINERS b/MAINTAINERS index 1d5b4becab6f..a727d9959ecd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -872,9 +872,9 @@ F: drivers/perf/arm_pmu.c F: include/linux/perf/arm_pmu.h ARM PORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/ @@ -886,35 +886,35 @@ F: arch/arm/plat-*/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git ARM PRIMECELL AACI PL041 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: sound/arm/aaci.* ARM PRIMECELL CLCD PL110 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/video/fbdev/amba-clcd.* ARM PRIMECELL KMI PL050 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/input/serio/ambakmi.* F: include/linux/amba/kmi.h ARM PRIMECELL MMCI PL180/1 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/mmc/host/mmci.* F: include/linux/amba/mmci.h ARM PRIMECELL UART PL010 AND PL011 DRIVERS -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/tty/serial/amba-pl01*.c F: include/linux/amba/serial.h ARM PRIMECELL BUS SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/amba/ F: include/linux/amba/bus.h @@ -1036,7 +1036,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained ARM/CLKDEV SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/include/asm/clkdev.h @@ -1093,9 +1093,9 @@ F: arch/arm/boot/dts/cx92755* N: digicolor ARM/EBSA110 MACHINE SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/mach-ebsa110/ F: drivers/net/ethernet/amd/am79c961a.* @@ -1124,9 +1124,9 @@ T: git git://git.berlios.de/gemini-board F: arch/arm/mm/*-fa* ARM/FOOTBRIDGE ARCHITECTURE -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/include/asm/hardware/dec21285.h F: arch/arm/mach-footbridge/ @@ -1457,7 +1457,7 @@ S: Maintained ARM/PT DIGITAL BOARD PORT M: Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained ARM/QUALCOMM SUPPORT @@ -1493,9 +1493,9 @@ S: Supported F: arch/arm64/boot/dts/renesas/ ARM/RISCPC ARCHITECTURE -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/include/asm/hardware/entry-macro-iomd.S F: arch/arm/include/asm/hardware/ioc.h @@ -1773,9 +1773,9 @@ F: drivers/clk/versatile/clk-vexpress-osc.c F: drivers/clocksource/versatile.c ARM/VFP SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/vfp/ @@ -2921,7 +2921,7 @@ F: mm/cleancache.c F: include/linux/cleancache.h CLK API -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-clk@vger.kernel.org S: Maintained F: include/linux/clk.h @@ -3354,9 +3354,9 @@ S: Supported F: drivers/net/ethernet/stmicro/stmmac/ CYBERPRO FB DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: drivers/video/fbdev/cyber2000fb.* @@ -3881,7 +3881,7 @@ F: Documentation/devicetree/bindings/display/st,stih4xx.txt DRM DRIVERS FOR VIVANTE GPU IP M: Lucas Stach <l.stach@pengutronix.de> -R: Russell King <linux+etnaviv@arm.linux.org.uk> +R: Russell King <linux+etnaviv@armlinux.org.uk> R: Christian Gmeiner <christian.gmeiner@gmail.com> L: dri-devel@lists.freedesktop.org S: Maintained @@ -4223,8 +4223,8 @@ F: Documentation/efi-stub.txt F: arch/ia64/kernel/efi.c F: arch/x86/boot/compressed/eboot.[ch] F: arch/x86/include/asm/efi.h -F: arch/x86/platform/efi/* -F: drivers/firmware/efi/* +F: arch/x86/platform/efi/ +F: drivers/firmware/efi/ F: include/linux/efi*.h EFI VARIABLE FILESYSTEM @@ -4744,7 +4744,7 @@ F: drivers/platform/x86/fujitsu-tablet.c FUSE: FILESYSTEM IN USERSPACE M: Miklos Szeredi <miklos@szeredi.hu> -L: fuse-devel@lists.sourceforge.net +L: linux-fsdevel@vger.kernel.org W: http://fuse.sourceforge.net/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git S: Maintained @@ -4903,7 +4903,7 @@ F: net/ipv4/gre_offload.c F: include/net/gre.h GRETH 10/100/1G Ethernet MAC device driver -M: Kristoffer Glembo <kristoffer@gaisler.com> +M: Andreas Larsson <andreas@gaisler.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/aeroflex/ @@ -6027,7 +6027,7 @@ F: include/scsi/*iscsi* ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR M: Or Gerlitz <ogerlitz@mellanox.com> -M: Sagi Grimberg <sagig@mellanox.com> +M: Sagi Grimberg <sagi@grimberg.me> M: Roi Dayan <roid@mellanox.com> L: linux-rdma@vger.kernel.org S: Supported @@ -6037,7 +6037,7 @@ Q: http://patchwork.kernel.org/project/linux-rdma/list/ F: drivers/infiniband/ulp/iser/ ISCSI EXTENSIONS FOR RDMA (ISER) TARGET -M: Sagi Grimberg <sagig@mellanox.com> +M: Sagi Grimberg <sagi@grimberg.me> T: git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master L: linux-rdma@vger.kernel.org L: target-devel@vger.kernel.org @@ -6400,7 +6400,7 @@ F: mm/kmemleak.c F: mm/kmemleak-test.c KPROBES -M: Ananth N Mavinakayanahalli <ananth@in.ibm.com> +M: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> M: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> M: "David S. Miller" <davem@davemloft.net> M: Masami Hiramatsu <mhiramat@kernel.org> @@ -6905,7 +6905,7 @@ L: linux-man@vger.kernel.org S: Maintained MARVELL ARMADA DRM SUPPORT -M: Russell King <rmk+kernel@arm.linux.org.uk> +M: Russell King <rmk+kernel@armlinux.org.uk> S: Maintained F: drivers/gpu/drm/armada/ @@ -7905,7 +7905,7 @@ S: Supported F: drivers/nfc/nxp-nci NXP TDA998X DRM DRIVER -M: Russell King <rmk+kernel@arm.linux.org.uk> +M: Russell King <rmk+kernel@armlinux.org.uk> S: Supported F: drivers/gpu/drm/i2c/tda998x_drv.c F: include/drm/i2c/tda998x.h @@ -7978,7 +7978,7 @@ F: arch/arm/*omap*/*pm* F: drivers/cpufreq/omap-cpufreq.c OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT -M: Rajendra Nayak <rnayak@ti.com> +M: Rajendra Nayak <rnayak@codeaurora.org> M: Paul Walmsley <paul@pwsan.com> L: linux-omap@vger.kernel.org S: Maintained @@ -10014,7 +10014,8 @@ F: drivers/infiniband/hw/ocrdma/ SFC NETWORK DRIVER M: Solarflare linux maintainers <linux-net-drivers@solarflare.com> -M: Shradha Shah <sshah@solarflare.com> +M: Edward Cree <ecree@solarflare.com> +M: Bert Kenward <bkenward@solarflare.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/sfc/ @@ -11071,6 +11072,15 @@ S: Maintained F: drivers/clk/ti/ F: include/linux/clk/ti.h +TI ETHERNET SWITCH DRIVER (CPSW) +M: Mugunthan V N <mugunthanvnm@ti.com> +R: Grygorii Strashko <grygorii.strashko@ti.com> +L: linux-omap@vger.kernel.org +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/ti/cpsw* +F: drivers/net/ethernet/ti/davinci* + TI FLASH MEDIA INTERFACE DRIVER M: Alex Dubov <oakad@yahoo.com> S: Maintained @@ -1,8 +1,8 @@ VERSION = 4 PATCHLEVEL = 6 SUBLEVEL = 0 -EXTRAVERSION = -rc5 -NAME = Blurry Fish Butt +EXTRAVERSION = -rc7 +NAME = Charred Weasel # *DOCUMENTATION* # To see a list of typical targets execute "make help" diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 12d0284a46e5..a8767430df7d 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -35,8 +35,10 @@ config ARC select NO_BOOTMEM select OF select OF_EARLY_FLATTREE + select OF_RESERVED_MEM select PERF_USE_VMALLOC select HAVE_DEBUG_STACKOVERFLOW + select HAVE_GENERIC_DMA_COHERENT config MIGHT_HAVE_PCI bool @@ -56,6 +58,9 @@ config GENERIC_CSUM config RWSEM_GENERIC_SPINLOCK def_bool y +config ARCH_DISCONTIGMEM_ENABLE + def_bool y + config ARCH_FLATMEM_ENABLE def_bool y @@ -345,6 +350,15 @@ config ARC_HUGEPAGE_16M endchoice +config NODES_SHIFT + int "Maximum NUMA Nodes (as a power of 2)" + default "1" if !DISCONTIGMEM + default "2" if DISCONTIGMEM + depends on NEED_MULTIPLE_NODES + ---help--- + Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory + zones. + if ISA_ARCOMPACT config ARC_COMPACT_IRQ_LEVELS @@ -453,6 +467,7 @@ config LINUX_LINK_BASE config HIGHMEM bool "High Memory Support" + select DISCONTIGMEM help With ARC 2G:2G address split, only upper 2G is directly addressable by kernel. Enable this to potentially allow access to rest of 2G and PAE diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h index 17f85c9c73cf..c22b181e8206 100644 --- a/arch/arc/include/asm/io.h +++ b/arch/arc/include/asm/io.h @@ -13,6 +13,15 @@ #include <asm/byteorder.h> #include <asm/page.h> +#ifdef CONFIG_ISA_ARCV2 +#include <asm/barrier.h> +#define __iormb() rmb() +#define __iowmb() wmb() +#else +#define __iormb() do { } while (0) +#define __iowmb() do { } while (0) +#endif + extern void __iomem *ioremap(phys_addr_t paddr, unsigned long size); extern void __iomem *ioremap_prot(phys_addr_t paddr, unsigned long size, unsigned long flags); @@ -31,6 +40,15 @@ extern void iounmap(const void __iomem *addr); #define ioremap_wc(phy, sz) ioremap(phy, sz) #define ioremap_wt(phy, sz) ioremap(phy, sz) +/* + * io{read,write}{16,32}be() macros + */ +#define ioread16be(p) ({ u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) +#define ioread32be(p) ({ u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) + +#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); }) +#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); }) + /* Change struct page to physical address */ #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) @@ -108,15 +126,6 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr) } -#ifdef CONFIG_ISA_ARCV2 -#include <asm/barrier.h> -#define __iormb() rmb() -#define __iowmb() wmb() -#else -#define __iormb() do { } while (0) -#define __iowmb() do { } while (0) -#endif - /* * MMIO can also get buffered/optimized in micro-arch, so barriers needed * Based on ARM model for the typical use case diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h index 37c2f751eebf..d1ec7f6b31e0 100644 --- a/arch/arc/include/asm/irqflags-arcv2.h +++ b/arch/arc/include/asm/irqflags-arcv2.h @@ -18,6 +18,12 @@ #define STATUS_AD_MASK (1<<STATUS_AD_BIT) #define STATUS_IE_MASK (1<<STATUS_IE_BIT) +/* status32 Bits as encoded/expected by CLRI/SETI */ +#define CLRI_STATUS_IE_BIT 4 + +#define CLRI_STATUS_E_MASK 0xF +#define CLRI_STATUS_IE_MASK (1 << CLRI_STATUS_IE_BIT) + #define AUX_USER_SP 0x00D #define AUX_IRQ_CTRL 0x00E #define AUX_IRQ_ACT 0x043 /* Active Intr across all levels */ @@ -100,6 +106,13 @@ static inline long arch_local_save_flags(void) : : "memory"); + /* To be compatible with irq_save()/irq_restore() + * encode the irq bits as expected by CLRI/SETI + * (this was needed to make CONFIG_TRACE_IRQFLAGS work) + */ + temp = (1 << 5) | + ((!!(temp & STATUS_IE_MASK)) << CLRI_STATUS_IE_BIT) | + (temp & CLRI_STATUS_E_MASK); return temp; } @@ -108,7 +121,7 @@ static inline long arch_local_save_flags(void) */ static inline int arch_irqs_disabled_flags(unsigned long flags) { - return !(flags & (STATUS_IE_MASK)); + return !(flags & CLRI_STATUS_IE_MASK); } static inline int arch_irqs_disabled(void) @@ -128,11 +141,32 @@ static inline void arc_softirq_clear(int irq) #else +#ifdef CONFIG_TRACE_IRQFLAGS + +.macro TRACE_ASM_IRQ_DISABLE + bl trace_hardirqs_off +.endm + +.macro TRACE_ASM_IRQ_ENABLE + bl trace_hardirqs_on +.endm + +#else + +.macro TRACE_ASM_IRQ_DISABLE +.endm + +.macro TRACE_ASM_IRQ_ENABLE +.endm + +#endif .macro IRQ_DISABLE scratch clri + TRACE_ASM_IRQ_DISABLE .endm .macro IRQ_ENABLE scratch + TRACE_ASM_IRQ_ENABLE seti .endm diff --git a/arch/arc/include/asm/mmzone.h b/arch/arc/include/asm/mmzone.h new file mode 100644 index 000000000000..8e97136413d9 --- /dev/null +++ b/arch/arc/include/asm/mmzone.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _ASM_ARC_MMZONE_H +#define _ASM_ARC_MMZONE_H + +#ifdef CONFIG_DISCONTIGMEM + +extern struct pglist_data node_data[]; +#define NODE_DATA(nid) (&node_data[nid]) + +static inline int pfn_to_nid(unsigned long pfn) +{ + int is_end_low = 1; + + if (IS_ENABLED(CONFIG_ARC_HAS_PAE40)) + is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL); + + /* + * node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF + * node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF + * HIGHMEM with PAE40: 0x1_0000_0000 to ... + */ + if (pfn >= ARCH_PFN_OFFSET && is_end_low) + return 0; + + return 1; +} + +static inline int pfn_valid(unsigned long pfn) +{ + int nid = pfn_to_nid(pfn); + + return (pfn <= node_end_pfn(nid)); +} +#endif /* CONFIG_DISCONTIGMEM */ + +#endif diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h index 36da89e2c853..0d53854884d0 100644 --- a/arch/arc/include/asm/page.h +++ b/arch/arc/include/asm/page.h @@ -72,11 +72,20 @@ typedef unsigned long pgprot_t; typedef pte_t * pgtable_t; +/* + * Use virt_to_pfn with caution: + * If used in pte or paddr related macros, it could cause truncation + * in PAE40 builds + * As a rule of thumb, only use it in helpers starting with virt_ + * You have been warned ! + */ #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) #define ARCH_PFN_OFFSET virt_to_pfn(CONFIG_LINUX_LINK_BASE) +#ifdef CONFIG_FLATMEM #define pfn_valid(pfn) (((pfn) - ARCH_PFN_OFFSET) < max_mapnr) +#endif /* * __pa, __va, virt_to_page (ALERT: deprecated, don't use them) @@ -85,12 +94,10 @@ typedef pte_t * pgtable_t; * virt here means link-address/program-address as embedded in object code. * And for ARC, link-addr = physical address */ -#define __pa(vaddr) ((unsigned long)vaddr) +#define __pa(vaddr) ((unsigned long)(vaddr)) #define __va(paddr) ((void *)((unsigned long)(paddr))) -#define virt_to_page(kaddr) \ - (mem_map + virt_to_pfn((kaddr) - CONFIG_LINUX_LINK_BASE)) - +#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) #define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr)) /* Default Permissions for stack/heaps pages (Non Executable) */ diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index 7d6c93e63adf..10d4b8b8e545 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -278,14 +278,13 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep) #define pmd_present(x) (pmd_val(x)) #define pmd_clear(xp) do { pmd_val(*(xp)) = 0; } while (0) -#define pte_page(pte) \ - (mem_map + virt_to_pfn(pte_val(pte) - CONFIG_LINUX_LINK_BASE)) - +#define pte_page(pte) pfn_to_page(pte_pfn(pte)) #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) -#define pte_pfn(pte) virt_to_pfn(pte_val(pte)) -#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | \ - pgprot_val(prot))) -#define __pte_index(addr) (virt_to_pfn(addr) & (PTRS_PER_PTE - 1)) +#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) + +/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/ +#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) +#define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) /* * pte_offset gets a @ptr to PMD entry (PGD in our 2-tier paging system) diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S index c1264607bbff..7a1c124ff021 100644 --- a/arch/arc/kernel/entry-arcv2.S +++ b/arch/arc/kernel/entry-arcv2.S @@ -69,8 +69,11 @@ ENTRY(handle_interrupt) clri ; To make status32.IE agree with CPU internal state - lr r0, [ICAUSE] +#ifdef CONFIG_TRACE_IRQFLAGS + TRACE_ASM_IRQ_DISABLE +#endif + lr r0, [ICAUSE] mov blink, ret_from_exception b.d arch_do_IRQ @@ -169,6 +172,11 @@ END(EV_TLBProtV) .Lrestore_regs: + # Interrpts are actually disabled from this point on, but will get + # reenabled after we return from interrupt/exception. + # But irq tracer needs to be told now... + TRACE_ASM_IRQ_ENABLE + ld r0, [sp, PT_status32] ; U/K mode at time of entry lr r10, [AUX_IRQ_ACT] diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S index 431433929189..0cb0abaa0479 100644 --- a/arch/arc/kernel/entry-compact.S +++ b/arch/arc/kernel/entry-compact.S @@ -341,6 +341,9 @@ END(call_do_page_fault) .Lrestore_regs: + # Interrpts are actually disabled from this point on, but will get + # reenabled after we return from interrupt/exception. + # But irq tracer needs to be told now... TRACE_ASM_IRQ_ENABLE lr r10, [status32] diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index 7d2c4fbf4f22..8be930394750 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -13,6 +13,7 @@ #ifdef CONFIG_BLK_DEV_INITRD #include <linux/initrd.h> #endif +#include <linux/of_fdt.h> #include <linux/swap.h> #include <linux/module.h> #include <linux/highmem.h> @@ -29,11 +30,16 @@ static const unsigned long low_mem_start = CONFIG_LINUX_LINK_BASE; static unsigned long low_mem_sz; #ifdef CONFIG_HIGHMEM -static unsigned long min_high_pfn; +static unsigned long min_high_pfn, max_high_pfn; static u64 high_mem_start; static u64 high_mem_sz; #endif +#ifdef CONFIG_DISCONTIGMEM +struct pglist_data node_data[MAX_NUMNODES] __read_mostly; +EXPORT_SYMBOL(node_data); +#endif + /* User can over-ride above with "mem=nnn[KkMm]" in cmdline */ static int __init setup_mem_sz(char *str) { @@ -108,13 +114,11 @@ void __init setup_arch_memory(void) /* Last usable page of low mem */ max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); -#ifdef CONFIG_HIGHMEM - min_high_pfn = PFN_DOWN(high_mem_start); - max_pfn = PFN_DOWN(high_mem_start + high_mem_sz); +#ifdef CONFIG_FLATMEM + /* pfn_valid() uses this */ + max_mapnr = max_low_pfn - min_low_pfn; #endif - max_mapnr = max_pfn - min_low_pfn; - /*------------- bootmem allocator setup -----------------------*/ /* @@ -128,7 +132,7 @@ void __init setup_arch_memory(void) * the crash */ - memblock_add(low_mem_start, low_mem_sz); + memblock_add_node(low_mem_start, low_mem_sz, 0); memblock_reserve(low_mem_start, __pa(_end) - low_mem_start); #ifdef CONFIG_BLK_DEV_INITRD @@ -136,6 +140,9 @@ void __init setup_arch_memory(void) memblock_reserve(__pa(initrd_start), initrd_end - initrd_start); #endif + early_init_fdt_reserve_self(); + early_init_fdt_scan_reserved_mem(); + memblock_dump_all(); /*----------------- node/zones setup --------------------------*/ @@ -145,13 +152,6 @@ void __init setup_arch_memory(void) zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; zones_holes[ZONE_NORMAL] = 0; -#ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn; - - /* This handles the peripheral address space hole */ - zones_holes[ZONE_HIGHMEM] = min_high_pfn - max_low_pfn; -#endif - /* * We can't use the helper free_area_init(zones[]) because it uses * PAGE_OFFSET to compute the @min_low_pfn which would be wrong @@ -164,6 +164,34 @@ void __init setup_arch_memory(void) zones_holes); /* holes */ #ifdef CONFIG_HIGHMEM + /* + * Populate a new node with highmem + * + * On ARC (w/o PAE) HIGHMEM addresses are actually smaller (0 based) + * than addresses in normal ala low memory (0x8000_0000 based). + * Even with PAE, the huge peripheral space hole would waste a lot of + * mem with single mem_map[]. This warrants a mem_map per region design. + * Thus HIGHMEM on ARC is imlemented with DISCONTIGMEM. + * + * DISCONTIGMEM in turns requires multiple nodes. node 0 above is + * populated with normal memory zone while node 1 only has highmem + */ + node_set_online(1); + + min_high_pfn = PFN_DOWN(high_mem_start); + max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz); + + zones_size[ZONE_NORMAL] = 0; + zones_holes[ZONE_NORMAL] = 0; + + zones_size[ZONE_HIGHMEM] = max_high_pfn - min_high_pfn; + zones_holes[ZONE_HIGHMEM] = 0; + + free_area_init_node(1, /* node-id */ + zones_size, /* num pages per zone */ + min_high_pfn, /* first pfn of node */ + zones_holes); /* holes */ + high_memory = (void *)(min_high_pfn << PAGE_SHIFT); kmap_init(); #endif @@ -181,7 +209,7 @@ void __init mem_init(void) unsigned long tmp; reset_all_zones_managed_pages(); - for (tmp = min_high_pfn; tmp < max_pfn; tmp++) + for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++) free_highmem_page(pfn_to_page(tmp)); #endif diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 55ca9c7dcf6a..0467846b4cc3 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -860,7 +860,7 @@ ti,no-idle-on-init; reg = <0x50000000 0x2000>; interrupts = <100>; - dmas = <&edma 52>; + dmas = <&edma 52 0>; dma-names = "rxtx"; gpmc,num-cs = <7>; gpmc,num-waitpins = <2>; diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 344b861a55a5..ba580a9da390 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -884,7 +884,7 @@ gpmc: gpmc@50000000 { compatible = "ti,am3352-gpmc"; ti,hwmods = "gpmc"; - dmas = <&edma 52>; + dmas = <&edma 52 0>; dma-names = "rxtx"; clocks = <&l3s_gclk>; clock-names = "fck"; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 0a5fc5d02ce2..4168eb9dd369 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -99,13 +99,6 @@ #cooling-cells = <2>; }; - extcon_usb1: extcon_usb1 { - compatible = "linux,extcon-usb-gpio"; - id-gpio = <&gpio7 25 GPIO_ACTIVE_HIGH>; - pinctrl-names = "default"; - pinctrl-0 = <&extcon_usb1_pins>; - }; - hdmi0: connector { compatible = "hdmi-connector"; label = "hdmi"; @@ -349,12 +342,6 @@ >; }; - extcon_usb1_pins: extcon_usb1_pins { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37ec, PIN_INPUT_PULLUP | MUX_MODE14) /* uart1_rtsn.gpio7_25 */ - >; - }; - tpd12s015_pins: pinmux_tpd12s015_pins { pinctrl-single,pins = < DRA7XX_CORE_IOPAD(0x37b0, PIN_OUTPUT | MUX_MODE14) /* gpio7_10 CT_CP_HPD */ @@ -706,10 +693,6 @@ pinctrl-0 = <&usb1_pins>; }; -&omap_dwc3_1 { - extcon = <&extcon_usb1>; -}; - &omap_dwc3_2 { extcon = <&extcon_usb2>; }; diff --git a/arch/arm/boot/dts/dm814x-clocks.dtsi b/arch/arm/boot/dts/dm814x-clocks.dtsi index e0ea6a93a22e..792a64ee0df7 100644 --- a/arch/arm/boot/dts/dm814x-clocks.dtsi +++ b/arch/arm/boot/dts/dm814x-clocks.dtsi @@ -4,6 +4,157 @@ * published by the Free Software Foundation. */ +&pllss { + /* + * See TRM "2.6.10 Connected outputso DPLLS" and + * "2.6.11 Connected Outputs of DPLLJ". Only clkout is + * connected except for hdmi and usb. + */ + adpll_mpu_ck: adpll@40 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-s-clock"; + reg = <0x40 0x40>; + clocks = <&devosc_ck &devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow", "clkinphif"; + clock-output-names = "481c5040.adpll.dcoclkldo", + "481c5040.adpll.clkout", + "481c5040.adpll.clkoutx2", + "481c5040.adpll.clkouthif"; + }; + + adpll_dsp_ck: adpll@80 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x80 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5080.adpll.dcoclkldo", + "481c5080.adpll.clkout", + "481c5080.adpll.clkoutldo"; + }; + + adpll_sgx_ck: adpll@b0 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0xb0 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c50b0.adpll.dcoclkldo", + "481c50b0.adpll.clkout", + "481c50b0.adpll.clkoutldo"; + }; + + adpll_hdvic_ck: adpll@e0 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0xe0 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c50e0.adpll.dcoclkldo", + "481c50e0.adpll.clkout", + "481c50e0.adpll.clkoutldo"; + }; + + adpll_l3_ck: adpll@110 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x110 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5110.adpll.dcoclkldo", + "481c5110.adpll.clkout", + "481c5110.adpll.clkoutldo"; + }; + + adpll_isp_ck: adpll@140 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x140 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5140.adpll.dcoclkldo", + "481c5140.adpll.clkout", + "481c5140.adpll.clkoutldo"; + }; + + adpll_dss_ck: adpll@170 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x170 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5170.adpll.dcoclkldo", + "481c5170.adpll.clkout", + "481c5170.adpll.clkoutldo"; + }; + + adpll_video0_ck: adpll@1a0 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x1a0 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c51a0.adpll.dcoclkldo", + "481c51a0.adpll.clkout", + "481c51a0.adpll.clkoutldo"; + }; + + adpll_video1_ck: adpll@1d0 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x1d0 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c51d0.adpll.dcoclkldo", + "481c51d0.adpll.clkout", + "481c51d0.adpll.clkoutldo"; + }; + + adpll_hdmi_ck: adpll@200 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x200 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5200.adpll.dcoclkldo", + "481c5200.adpll.clkout", + "481c5200.adpll.clkoutldo"; + }; + + adpll_audio_ck: adpll@230 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x230 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5230.adpll.dcoclkldo", + "481c5230.adpll.clkout", + "481c5230.adpll.clkoutldo"; + }; + + adpll_usb_ck: adpll@260 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x260 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5260.adpll.dcoclkldo", + "481c5260.adpll.clkout", + "481c5260.adpll.clkoutldo"; + }; + + adpll_ddr_ck: adpll@290 { + #clock-cells = <1>; + compatible = "ti,dm814-adpll-lj-clock"; + reg = <0x290 0x30>; + clocks = <&devosc_ck &devosc_ck>; + clock-names = "clkinp", "clkinpulow"; + clock-output-names = "481c5290.adpll.dcoclkldo", + "481c5290.adpll.clkout", + "481c5290.adpll.clkoutldo"; + }; +}; + &pllss_clocks { timer1_fck: timer1_fck { #clock-cells = <0>; @@ -23,6 +174,24 @@ reg = <0x2e0>; }; + /* CPTS_RFT_CLK in RMII_REFCLK_SRC, usually sourced from auiod */ + cpsw_cpts_rft_clk: cpsw_cpts_rft_clk { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&adpll_video0_ck 1 + &adpll_video1_ck 1 + &adpll_audio_ck 1>; + ti,bit-shift = <1>; + reg = <0x2e8>; + }; + + /* REVISIT: Set up with a proper mux using RMII_REFCLK_SRC */ + cpsw_125mhz_gclk: cpsw_125mhz_gclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <125000000>; + }; + sysclk18_ck: sysclk18_ck { #clock-cells = <0>; compatible = "ti,mux-clock"; @@ -79,37 +248,6 @@ compatible = "fixed-clock"; clock-frequency = <1000000000>; }; - - sysclk4_ck: sysclk4_ck { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <222000000>; - }; - - sysclk6_ck: sysclk6_ck { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <100000000>; - }; - - sysclk10_ck: sysclk10_ck { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <48000000>; - }; - - cpsw_125mhz_gclk: cpsw_125mhz_gclk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <125000000>; - }; - - cpsw_cpts_rft_clk: cpsw_cpts_rft_clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <250000000>; - }; - }; &prcm_clocks { @@ -138,6 +276,49 @@ clock-div = <78125>; }; + /* L4_HS 220 MHz*/ + sysclk4_ck: sysclk4_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&adpll_l3_ck 1>; + ti,clock-mult = <1>; + ti,clock-div = <1>; + }; + + /* L4_FWCFG */ + sysclk5_ck: sysclk5_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&adpll_l3_ck 1>; + ti,clock-mult = <1>; + ti,clock-div = <2>; + }; + + /* L4_LS 110 MHz */ + sysclk6_ck: sysclk6_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&adpll_l3_ck 1>; + ti,clock-mult = <1>; + ti,clock-div = <2>; + }; + + sysclk8_ck: sysclk8_ck { + #clock-cells = <0>; + compatible = "ti,fixed-factor-clock"; + clocks = <&adpll_usb_ck 1>; + ti,clock-mult = <1>; + ti,clock-div = <1>; + }; + + sysclk10_ck: sysclk10_ck { + compatible = "ti,divider-clock"; + reg = <0x324>; + ti,max-div = <7>; + #clock-cells = <0>; + clocks = <&adpll_usb_ck 1>; + }; + aud_clkin0_ck: aud_clkin0_ck { #clock-cells = <0>; compatible = "fixed-clock"; diff --git a/arch/arm/boot/dts/dra62x-clocks.dtsi b/arch/arm/boot/dts/dra62x-clocks.dtsi index 6f98dc8df9dd..0e49741747ef 100644 --- a/arch/arm/boot/dts/dra62x-clocks.dtsi +++ b/arch/arm/boot/dts/dra62x-clocks.dtsi @@ -6,6 +6,32 @@ #include "dm814x-clocks.dtsi" +/* Compared to dm814x, dra62x does not have hdic, l3 or dss PLLs */ +&adpll_hdvic_ck { + status = "disabled"; +}; + +&adpll_l3_ck { + status = "disabled"; +}; + +&adpll_dss_ck { + status = "disabled"; +}; + +/* Compared to dm814x, dra62x has interconnect clocks on isp PLL */ +&sysclk4_ck { + clocks = <&adpll_isp_ck 1>; +}; + +&sysclk5_ck { + clocks = <&adpll_isp_ck 1>; +}; + +&sysclk6_ck { + clocks = <&adpll_isp_ck 1>; +}; + /* * Compared to dm814x, dra62x has different shifts and more mux options. * Please add the extra options for ysclk_14 and 16 if really needed. diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi index d0bae06b7eb7..ef2164a99d0f 100644 --- a/arch/arm/boot/dts/dra7xx-clocks.dtsi +++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi @@ -98,12 +98,20 @@ clock-frequency = <32768>; }; - sys_32k_ck: sys_32k_ck { + sys_clk32_crystal_ck: sys_clk32_crystal_ck { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <32768>; }; + sys_clk32_pseudo_ck: sys_clk32_pseudo_ck { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&sys_clkin1>; + clock-mult = <1>; + clock-div = <610>; + }; + virt_12000000_ck: virt_12000000_ck { #clock-cells = <0>; compatible = "fixed-clock"; @@ -2170,4 +2178,12 @@ ti,bit-shift = <22>; reg = <0x0558>; }; + + sys_32k_ck: sys_32k_ck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clk32_crystal_ck>, <&sys_clk32_pseudo_ck>, <&sys_clk32_pseudo_ck>, <&sys_clk32_pseudo_ck>; + ti,bit-shift = <8>; + reg = <0x6c4>; + }; }; diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index b3c26a96a726..d9e2d9c6e999 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -329,6 +329,7 @@ regulator-name = "V28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; /* due to battery cover sensor */ }; @@ -336,30 +337,35 @@ regulator-name = "VCSI"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vaux3 { regulator-name = "VMMC2_30"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vaux4 { regulator-name = "VCAM_ANA_28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vmmc1 { regulator-name = "VMMC1"; regulator-min-microvolt = <1850000>; regulator-max-microvolt = <3150000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vmmc2 { regulator-name = "V28_A"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; /* due VIO leak to AIC34 VDDs */ }; @@ -367,6 +373,7 @@ regulator-name = "VPLL"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; }; @@ -374,6 +381,7 @@ regulator-name = "VSDI_CSI"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; }; @@ -381,6 +389,7 @@ regulator-name = "VMMC2_IO_18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vio { diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi index 387dc31822fe..96f8ce7bd2af 100644 --- a/arch/arm/boot/dts/omap34xx.dtsi +++ b/arch/arm/boot/dts/omap34xx.dtsi @@ -46,7 +46,7 @@ 0x480bd800 0x017c>; interrupts = <24>; iommus = <&mmu_isp>; - syscon = <&scm_conf 0xdc>; + syscon = <&scm_conf 0x6c>; ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>; #clock-cells = <1>; ports { diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi index 902657d6713b..914bf4c47404 100644 --- a/arch/arm/boot/dts/omap5-board-common.dtsi +++ b/arch/arm/boot/dts/omap5-board-common.dtsi @@ -472,7 +472,7 @@ ldo1_reg: ldo1 { /* VDDAPHY_CAM: vdda_csiport */ regulator-name = "ldo1"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; @@ -498,7 +498,7 @@ ldo4_reg: ldo4 { /* VDDAPHY_DISP: vdda_dsiport/hdmi */ regulator-name = "ldo4"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts index ecc591dc0778..4d87d9c6c86d 100644 --- a/arch/arm/boot/dts/omap5-cm-t54.dts +++ b/arch/arm/boot/dts/omap5-cm-t54.dts @@ -513,7 +513,7 @@ ldo1_reg: ldo1 { /* VDDAPHY_CAM: vdda_csiport */ regulator-name = "ldo1"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; @@ -537,7 +537,7 @@ ldo4_reg: ldo4 { /* VDDAPHY_DISP: vdda_dsiport/hdmi */ regulator-name = "ldo4"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 38805ebbe2ba..120b6b80cd39 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -269,7 +269,7 @@ omap5_pmx_wkup: pinmux@c840 { compatible = "ti,omap5-padconf", "pinctrl-single"; - reg = <0xc840 0x0038>; + reg = <0xc840 0x003c>; #address-cells = <1>; #size-cells = <0>; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index 65d0e8d98259..04f541bffbdd 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -666,7 +666,7 @@ }; sata0: sata@29000000 { - compatible = "generic-ahci"; + compatible = "qcom,apq8064-ahci", "generic-ahci"; status = "disabled"; reg = <0x29000000 0x180>; interrupts = <GIC_SPI 209 IRQ_TYPE_NONE>; @@ -688,6 +688,7 @@ phys = <&sata_phy0>; phy-names = "sata-phy"; + ports-implemented = <0x1>; }; /* Temporary fixed regulator */ diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi index ef5330578431..8193139d0d87 100644 --- a/arch/arm/boot/dts/qcom-msm8974.dtsi +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi @@ -1,6 +1,6 @@ /dts-v1/; -#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/clock/qcom,gcc-msm8974.h> #include "skeleton.dtsi" @@ -460,8 +460,6 @@ clock-names = "core", "iface"; #address-cells = <1>; #size-cells = <0>; - dmas = <&blsp2_dma 20>, <&blsp2_dma 21>; - dma-names = "tx", "rx"; }; spmi_bus: spmi@fc4cf000 { @@ -479,16 +477,6 @@ interrupt-controller; #interrupt-cells = <4>; }; - - blsp2_dma: dma-controller@f9944000 { - compatible = "qcom,bam-v1.4.0"; - reg = <0xf9944000 0x19000>; - interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&gcc GCC_BLSP2_AHB_CLK>; - clock-names = "bam_clk"; - #dma-cells = <1>; - qcom,ee = <0>; - }; }; smd { diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 0ad71b81d3a2..cc6e28f81fe4 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -661,6 +661,7 @@ }; &pcie_bus_clk { + clock-frequency = <100000000>; status = "okay"; }; diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts index 6c08314427d6..a9285d9a57cd 100644 --- a/arch/arm/boot/dts/r8a7791-porter.dts +++ b/arch/arm/boot/dts/r8a7791-porter.dts @@ -143,19 +143,11 @@ }; &pfc { - pinctrl-0 = <&scif_clk_pins>; - pinctrl-names = "default"; - scif0_pins: serial0 { renesas,groups = "scif0_data_d"; renesas,function = "scif0"; }; - scif_clk_pins: scif_clk { - renesas,groups = "scif_clk"; - renesas,function = "scif_clk"; - }; - ether_pins: ether { renesas,groups = "eth_link", "eth_mdio", "eth_rmii"; renesas,function = "eth"; @@ -229,11 +221,6 @@ status = "okay"; }; -&scif_clk { - clock-frequency = <14745600>; - status = "okay"; -}; - ðer { pinctrl-0 = <ðer_pins &phy1_pins>; pinctrl-names = "default"; @@ -414,6 +401,7 @@ }; &pcie_bus_clk { + clock-frequency = <100000000>; status = "okay"; }; diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 6439f0569fe2..1cd1b6a3a72a 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -1083,9 +1083,8 @@ pcie_bus_clk: pcie_bus_clk { compatible = "fixed-clock"; #clock-cells = <0>; - clock-frequency = <100000000>; + clock-frequency = <0>; clock-output-names = "pcie_bus"; - status = "disabled"; }; /* External SCIF clock */ @@ -1094,7 +1093,6 @@ #clock-cells = <0>; /* This value must be overridden by the board. */ clock-frequency = <0>; - status = "disabled"; }; /* External USB clock - can be overridden by the board */ @@ -1112,7 +1110,6 @@ /* This value must be overridden by the board. */ clock-frequency = <0>; clock-output-names = "can_clk"; - status = "disabled"; }; /* Special CPG clocks */ diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi b/arch/arm/boot/dts/sun8i-q8-common.dtsi index 9d2b7e2f5975..346a49d805a7 100644 --- a/arch/arm/boot/dts/sun8i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi @@ -125,8 +125,6 @@ }; ®_dc1sw { - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3000000>; regulator-name = "vcc-lcd"; }; diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index fc8ba1663601..99d9f630d6b6 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -84,6 +84,7 @@ #ifndef __ASSEMBLY__ +#ifdef CONFIG_CPU_CP15_MMU static inline unsigned int get_domain(void) { unsigned int domain; @@ -103,6 +104,16 @@ static inline void set_domain(unsigned val) : : "r" (val) : "memory"); isb(); } +#else +static inline unsigned int get_domain(void) +{ + return 0; +} + +static inline void set_domain(unsigned val) +{ +} +#endif #ifdef CONFIG_CPU_USE_DOMAINS #define modify_domain(dom,type) \ diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 9b8c5a113434..fb1a69eb49c1 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -236,7 +236,7 @@ ENTRY(__setup_mpu) mov r0, #CONFIG_VECTORS_BASE @ Cover from VECTORS_BASE ldr r5,=(MPU_AP_PL1RW_PL0NA | MPU_RGN_NORMAL) /* Writing N to bits 5:1 (RSR_SZ) --> region size 2^N+1 */ - mov r6, #(((PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN) + mov r6, #(((2 * PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN) setup_region r0, r5, r6, MPU_DATA_SIDE @ VECTORS_BASE, PL0 NA, enabled beq 3f @ Memory-map not unified diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 58dbd5c439df..d6d4191e68f2 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -1004,7 +1004,7 @@ static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap) kvm_pfn_t pfn = *pfnp; gfn_t gfn = *ipap >> PAGE_SHIFT; - if (PageTransCompound(pfn_to_page(pfn))) { + if (PageTransCompoundMap(pfn_to_page(pfn))) { unsigned long mask; /* * The address we faulted on is backed by a transparent huge diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index d97c588550ad..bc4e63fa9808 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -121,6 +121,11 @@ static void read_factory_config(struct nvmem_device *nvmem, void *context) const char *partnum = NULL; struct davinci_soc_info *soc_info = &davinci_soc_info; + if (!IS_BUILTIN(CONFIG_NVMEM)) { + pr_warn("Factory Config not available without CONFIG_NVMEM\n"); + goto bad_config; + } + ret = nvmem_device_read(nvmem, 0, sizeof(factory_config), &factory_config); if (ret != sizeof(struct factory_config)) { diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c index f55ef2ef2f92..742133b7266a 100644 --- a/arch/arm/mach-davinci/common.c +++ b/arch/arm/mach-davinci/common.c @@ -33,6 +33,11 @@ void davinci_get_mac_addr(struct nvmem_device *nvmem, void *context) char *mac_addr = davinci_soc_info.emac_pdata->mac_addr; off_t offset = (off_t)context; + if (!IS_BUILTIN(CONFIG_NVMEM)) { + pr_warn("Cannot read MAC addr from EEPROM without CONFIG_NVMEM\n"); + return; + } + /* Read MAC addr from EEPROM */ if (nvmem_device_read(nvmem, offset, ETH_ALEN, mac_addr) == ETH_ALEN) pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr); diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 7c21760f590f..875a2bab64f6 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -92,7 +92,7 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) if (IS_ERR(pd->clk[i])) break; - if (IS_ERR(pd->clk[i])) + if (IS_ERR(pd->pclk[i])) continue; /* Skip on first power up */ if (clk_set_parent(pd->clk[i], pd->pclk[i])) pr_err("%s: error setting parent to clock%d\n", diff --git a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c index a5edd7d60266..3d039ef021e0 100644 --- a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c +++ b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c @@ -71,6 +71,7 @@ struct platform_device *__init imx_add_sdhci_esdhc_imx( if (!pdata) pdata = &default_esdhc_pdata; - return imx_add_platform_device(data->devid, data->id, res, - ARRAY_SIZE(res), pdata, sizeof(*pdata)); + return imx_add_platform_device_dmamask(data->devid, data->id, res, + ARRAY_SIZE(res), pdata, sizeof(*pdata), + DMA_BIT_MASK(32)); } diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-omap2/clockdomains7xx_data.c index 7581e036bda6..ef9ed36e8a61 100644 --- a/arch/arm/mach-omap2/clockdomains7xx_data.c +++ b/arch/arm/mach-omap2/clockdomains7xx_data.c @@ -461,7 +461,7 @@ static struct clockdomain ipu_7xx_clkdm = { .cm_inst = DRA7XX_CM_CORE_AON_IPU_INST, .clkdm_offs = DRA7XX_CM_CORE_AON_IPU_IPU_CDOFFS, .dep_bit = DRA7XX_IPU_STATDEP_SHIFT, - .flags = CLKDM_CAN_HWSUP_SWSUP, + .flags = CLKDM_CAN_SWSUP, }; static struct clockdomain mpu1_7xx_clkdm = { diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 9821be6dfd5e..49de4dd227be 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -737,7 +737,8 @@ void __init omap5_init_late(void) #ifdef CONFIG_SOC_DRA7XX void __init dra7xx_init_early(void) { - omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE)); + omap2_set_globals_tap(DRA7XX_CLASS, + OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE)); omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); omap2_control_base_init(); omap4_pm_init_early(); diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index f397bd6bd6e3..2c04f2741476 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -274,6 +274,10 @@ static inline void omap5_irq_save_context(void) */ static void irq_save_context(void) { + /* DRA7 has no SAR to save */ + if (soc_is_dra7xx()) + return; + if (!sar_base) sar_base = omap4_get_sar_ram_base(); @@ -290,6 +294,9 @@ static void irq_sar_clear(void) { u32 val; u32 offset = SAR_BACKUP_STATUS_OFFSET; + /* DRA7 has no SAR to save */ + if (soc_is_dra7xx()) + return; if (soc_is_omap54xx()) offset = OMAP5_SAR_BACKUP_STATUS_OFFSET; diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 2dbd3785ee6f..d44e0e2f1106 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -198,7 +198,6 @@ void omap_sram_idle(void) int per_next_state = PWRDM_POWER_ON; int core_next_state = PWRDM_POWER_ON; int per_going_off; - int core_prev_state; u32 sdrc_pwr = 0; mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm); @@ -278,16 +277,20 @@ void omap_sram_idle(void) sdrc_write_reg(sdrc_pwr, SDRC_POWER); /* CORE */ - if (core_next_state < PWRDM_POWER_ON) { - core_prev_state = pwrdm_read_prev_pwrst(core_pwrdm); - if (core_prev_state == PWRDM_POWER_OFF) { - omap3_core_restore_context(); - omap3_cm_restore_context(); - omap3_sram_restore_context(); - omap2_sms_restore_context(); - } + if (core_next_state < PWRDM_POWER_ON && + pwrdm_read_prev_pwrst(core_pwrdm) == PWRDM_POWER_OFF) { + omap3_core_restore_context(); + omap3_cm_restore_context(); + omap3_sram_restore_context(); + omap2_sms_restore_context(); + } else { + /* + * In off-mode resume path above, omap3_core_restore_context + * also handles the INTC autoidle restore done here so limit + * this to non-off mode resume paths so we don't do it twice. + */ + omap3_intc_resume_idle(); } - omap3_intc_resume_idle(); pwrdm_post_transition(NULL); diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c index ad008e4b0c49..67d79f9c6bad 100644 --- a/arch/arm/mach-shmobile/timer.c +++ b/arch/arm/mach-shmobile/timer.c @@ -40,8 +40,7 @@ static void __init shmobile_setup_delay_hz(unsigned int max_cpu_core_hz, void __init shmobile_init_delay(void) { struct device_node *np, *cpus; - bool is_a7_a8_a9 = false; - bool is_a15 = false; + unsigned int div = 0; bool has_arch_timer = false; u32 max_freq = 0; @@ -55,27 +54,22 @@ void __init shmobile_init_delay(void) if (!of_property_read_u32(np, "clock-frequency", &freq)) max_freq = max(max_freq, freq); - if (of_device_is_compatible(np, "arm,cortex-a8") || - of_device_is_compatible(np, "arm,cortex-a9")) { - is_a7_a8_a9 = true; - } else if (of_device_is_compatible(np, "arm,cortex-a7")) { - is_a7_a8_a9 = true; - has_arch_timer = true; - } else if (of_device_is_compatible(np, "arm,cortex-a15")) { - is_a15 = true; + if (of_device_is_compatible(np, "arm,cortex-a8")) { + div = 2; + } else if (of_device_is_compatible(np, "arm,cortex-a9")) { + div = 1; + } else if (of_device_is_compatible(np, "arm,cortex-a7") || + of_device_is_compatible(np, "arm,cortex-a15")) { + div = 1; has_arch_timer = true; } } of_node_put(cpus); - if (!max_freq) + if (!max_freq || !div) return; - if (!has_arch_timer || !IS_ENABLED(CONFIG_ARM_ARCH_TIMER)) { - if (is_a7_a8_a9) - shmobile_setup_delay_hz(max_freq, 1, 3); - else if (is_a15) - shmobile_setup_delay_hz(max_freq, 2, 4); - } + if (!has_arch_timer || !IS_ENABLED(CONFIG_ARM_ARCH_TIMER)) + shmobile_setup_delay_hz(max_freq, 1, div); } diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S index 5d94b7a2fb10..c160fa3007e9 100644 --- a/arch/arm/mach-socfpga/headsmp.S +++ b/arch/arm/mach-socfpga/headsmp.S @@ -13,6 +13,7 @@ #include <asm/assembler.h> .arch armv7-a + .arm ENTRY(secondary_trampoline) /* CPU1 will always fetch from 0x0 when it is brought out of reset. diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 1dd10936d68d..d5805e4bf2fc 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -87,7 +87,6 @@ static unsigned long irbar_read(void) /* MPU initialisation functions */ void __init sanity_check_meminfo_mpu(void) { - int i; phys_addr_t phys_offset = PHYS_OFFSET; phys_addr_t aligned_region_size, specified_mem_size, rounded_mem_size; struct memblock_region *reg; @@ -110,11 +109,13 @@ void __init sanity_check_meminfo_mpu(void) } else { /* * memblock auto merges contiguous blocks, remove - * all blocks afterwards + * all blocks afterwards in one go (we can't remove + * blocks separately while iterating) */ pr_notice("Ignoring RAM after %pa, memory at %pa ignored\n", - &mem_start, ®->base); - memblock_remove(reg->base, reg->size); + &mem_end, ®->base); + memblock_remove(reg->base, 0 - reg->base); + break; } } @@ -144,7 +145,7 @@ void __init sanity_check_meminfo_mpu(void) pr_warn("Truncating memory from %pa to %pa (MPU region constraints)", &specified_mem_size, &aligned_region_size); memblock_remove(mem_start + aligned_region_size, - specified_mem_size - aligned_round_size); + specified_mem_size - aligned_region_size); mem_end = mem_start + aligned_region_size; } @@ -261,7 +262,7 @@ void __init mpu_setup(void) return; region_err = mpu_setup_region(MPU_RAM_REGION, PHYS_OFFSET, - ilog2(meminfo.bank[0].size), + ilog2(memblock.memory.regions[0].size), MPU_AP_PL1RW_PL0RW | MPU_RGN_NORMAL); if (region_err) { panic("MPU region initialization failure! %d", region_err); @@ -285,7 +286,7 @@ void __init arm_mm_memblock_reserve(void) * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); + memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE); #else /* ifndef CONFIG_CPU_V7M */ /* * There is no dedicated vector page on V7-M. So nothing needs to be diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index a7315ebe3883..706d2426024f 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -120,7 +120,6 @@ compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; - status = "disabled"; }; soc { diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts index 727ae5f8c4e7..b0ed44313a5b 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts +++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts @@ -70,7 +70,6 @@ i2c3 = &i2c3; i2c4 = &i2c4; i2c5 = &i2c5; - i2c6 = &i2c6; }; }; diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi index e682a3f52791..651c9d9d2d54 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi @@ -201,15 +201,12 @@ i2c2: i2c@58782000 { compatible = "socionext,uniphier-fi2c"; - status = "disabled"; reg = <0x58782000 0x80>; #address-cells = <1>; #size-cells = <0>; interrupts = <0 43 4>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c2>; clocks = <&i2c_clk>; - clock-frequency = <100000>; + clock-frequency = <400000>; }; i2c3: i2c@58783000 { @@ -227,12 +224,15 @@ i2c4: i2c@58784000 { compatible = "socionext,uniphier-fi2c"; + status = "disabled"; reg = <0x58784000 0x80>; #address-cells = <1>; #size-cells = <0>; interrupts = <0 45 4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; clocks = <&i2c_clk>; - clock-frequency = <400000>; + clock-frequency = <100000>; }; i2c5: i2c@58785000 { @@ -245,16 +245,6 @@ clock-frequency = <400000>; }; - i2c6: i2c@58786000 { - compatible = "socionext,uniphier-fi2c"; - reg = <0x58786000 0x80>; - #address-cells = <1>; - #size-cells = <0>; - interrupts = <0 26 4>; - clocks = <&i2c_clk>; - clock-frequency = <400000>; - }; - system_bus: system-bus@58c00000 { compatible = "socionext,uniphier-system-bus"; status = "disabled"; diff --git a/arch/nios2/lib/memset.c b/arch/nios2/lib/memset.c index c2cfcb121e34..2fcefe720283 100644 --- a/arch/nios2/lib/memset.c +++ b/arch/nios2/lib/memset.c @@ -68,7 +68,7 @@ void *memset(void *s, int c, size_t count) "=r" (charcnt), /* %1 Output */ "=r" (dwordcnt), /* %2 Output */ "=r" (fill8reg), /* %3 Output */ - "=r" (wrkrega) /* %4 Output */ + "=&r" (wrkrega) /* %4 Output only */ : "r" (c), /* %5 Input */ "0" (s), /* %0 Input/Output */ "1" (count) /* %1 Input/Output */ diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index c976ebfe2269..57b4836b7ecd 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -344,7 +344,7 @@ tracesys_next: #endif cmpib,COND(=),n -1,%r20,tracesys_exit /* seccomp may have returned -1 */ - comiclr,>>= __NR_Linux_syscalls, %r20, %r0 + comiclr,>> __NR_Linux_syscalls, %r20, %r0 b,n .Ltracesys_nosys LDREGX %r20(%r19), %r19 diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 3fa9df70aa20..2fc5d4db503c 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -384,3 +384,5 @@ SYSCALL(ni_syscall) SYSCALL(ni_syscall) SYSCALL(mlock2) SYSCALL(copy_file_range) +COMPAT_SYS_SPU(preadv2) +COMPAT_SYS_SPU(pwritev2) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 1f2594d45605..cf12c580f6b2 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 380 +#define NR_syscalls 382 #define __NR__exit __NR_exit diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index e4396a7d0f7c..4afe66aa1400 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -82,7 +82,7 @@ static inline unsigned long create_zero_mask(unsigned long bits) "andc %1,%1,%2\n\t" "popcntd %0,%1" : "=r" (leading_zero_bits), "=&r" (trailing_zero_bit_mask) - : "r" (bits)); + : "b" (bits)); return leading_zero_bits; } diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 940290d45b08..e9f5f41aa55a 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -390,5 +390,7 @@ #define __NR_membarrier 365 #define __NR_mlock2 378 #define __NR_copy_file_range 379 +#define __NR_preadv2 380 +#define __NR_pwritev2 381 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h index d29ad9545b41..081b2ad99d73 100644 --- a/arch/s390/include/asm/mmu.h +++ b/arch/s390/include/asm/mmu.h @@ -11,7 +11,7 @@ typedef struct { spinlock_t list_lock; struct list_head pgtable_list; struct list_head gmap_list; - unsigned long asce_bits; + unsigned long asce; unsigned long asce_limit; unsigned long vdso_base; /* The mmu context allocates 4K page tables. */ diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index d321469eeda7..c837b79b455d 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -26,12 +26,28 @@ static inline int init_new_context(struct task_struct *tsk, mm->context.has_pgste = 0; mm->context.use_skey = 0; #endif - if (mm->context.asce_limit == 0) { + switch (mm->context.asce_limit) { + case 1UL << 42: + /* + * forked 3-level task, fall through to set new asce with new + * mm->pgd + */ + case 0: /* context created by exec, set asce limit to 4TB */ - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | _ASCE_TYPE_REGION3; mm->context.asce_limit = STACK_TOP_MAX; - } else if (mm->context.asce_limit == (1UL << 31)) { + mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | _ASCE_TYPE_REGION3; + break; + case 1UL << 53: + /* forked 4-level task, set new asce with new mm->pgd */ + mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | _ASCE_TYPE_REGION2; + break; + case 1UL << 31: + /* forked 2-level compat task, set new asce with new mm->pgd */ + mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT; + /* pgd_alloc() did not increase mm->nr_pmds */ mm_inc_nr_pmds(mm); } crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm)); @@ -42,7 +58,7 @@ static inline int init_new_context(struct task_struct *tsk, static inline void set_user_asce(struct mm_struct *mm) { - S390_lowcore.user_asce = mm->context.asce_bits | __pa(mm->pgd); + S390_lowcore.user_asce = mm->context.asce; if (current->thread.mm_segment.ar4) __ctl_load(S390_lowcore.user_asce, 7, 7); set_cpu_flag(CIF_ASCE); @@ -71,7 +87,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, { int cpu = smp_processor_id(); - S390_lowcore.user_asce = next->context.asce_bits | __pa(next->pgd); + S390_lowcore.user_asce = next->context.asce; if (prev == next) return; if (MACHINE_HAS_TLB_LC) diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index 9b3d9b6099f2..da34cb6b1f3b 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -52,8 +52,8 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm) return _REGION2_ENTRY_EMPTY; } -int crst_table_upgrade(struct mm_struct *, unsigned long limit); -void crst_table_downgrade(struct mm_struct *, unsigned long limit); +int crst_table_upgrade(struct mm_struct *); +void crst_table_downgrade(struct mm_struct *); static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) { diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index d6fd22ea270d..18cdede1aeda 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -175,7 +175,7 @@ extern __vector128 init_task_fpu_regs[__NUM_VXRS]; regs->psw.mask = PSW_USER_BITS | PSW_MASK_BA; \ regs->psw.addr = new_psw; \ regs->gprs[15] = new_stackp; \ - crst_table_downgrade(current->mm, 1UL << 31); \ + crst_table_downgrade(current->mm); \ execve_tail(); \ } while (0) diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h index ca148f7c3eaa..a2e6ef32e054 100644 --- a/arch/s390/include/asm/tlbflush.h +++ b/arch/s390/include/asm/tlbflush.h @@ -110,8 +110,7 @@ static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce) static inline void __tlb_flush_kernel(void) { if (MACHINE_HAS_IDTE) - __tlb_flush_idte((unsigned long) init_mm.pgd | - init_mm.context.asce_bits); + __tlb_flush_idte(init_mm.context.asce); else __tlb_flush_global(); } @@ -133,8 +132,7 @@ static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce) static inline void __tlb_flush_kernel(void) { if (MACHINE_HAS_TLB_LC) - __tlb_flush_idte_local((unsigned long) init_mm.pgd | - init_mm.context.asce_bits); + __tlb_flush_idte_local(init_mm.context.asce); else __tlb_flush_local(); } @@ -148,8 +146,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm) * only ran on the local cpu. */ if (MACHINE_HAS_IDTE && list_empty(&mm->context.gmap_list)) - __tlb_flush_asce(mm, (unsigned long) mm->pgd | - mm->context.asce_bits); + __tlb_flush_asce(mm, mm->context.asce); else __tlb_flush_full(mm); } diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index c7b0451397d6..2489b2e917c8 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -89,7 +89,8 @@ void __init paging_init(void) asce_bits = _ASCE_TYPE_REGION3 | _ASCE_TABLE_LENGTH; pgd_type = _REGION3_ENTRY_EMPTY; } - S390_lowcore.kernel_asce = (__pa(init_mm.pgd) & PAGE_MASK) | asce_bits; + init_mm.context.asce = (__pa(init_mm.pgd) & PAGE_MASK) | asce_bits; + S390_lowcore.kernel_asce = init_mm.context.asce; clear_table((unsigned long *) init_mm.pgd, pgd_type, sizeof(unsigned long)*2048); vmem_map_init(); diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 45c4daa49930..89cf09e5f168 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -174,7 +174,7 @@ int s390_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) if (!(flags & MAP_FIXED)) addr = 0; if ((addr + len) >= TASK_SIZE) - return crst_table_upgrade(current->mm, TASK_MAX_SIZE); + return crst_table_upgrade(current->mm); return 0; } @@ -191,7 +191,7 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr, return area; if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < TASK_MAX_SIZE) { /* Upgrade the page table to 4 levels and retry. */ - rc = crst_table_upgrade(mm, TASK_MAX_SIZE); + rc = crst_table_upgrade(mm); if (rc) return (unsigned long) rc; area = arch_get_unmapped_area(filp, addr, len, pgoff, flags); @@ -213,7 +213,7 @@ s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, return area; if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < TASK_MAX_SIZE) { /* Upgrade the page table to 4 levels and retry. */ - rc = crst_table_upgrade(mm, TASK_MAX_SIZE); + rc = crst_table_upgrade(mm); if (rc) return (unsigned long) rc; area = arch_get_unmapped_area_topdown(filp, addr, len, diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index f6c3de26cda8..e8b5962ac12a 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -76,81 +76,52 @@ static void __crst_table_upgrade(void *arg) __tlb_flush_local(); } -int crst_table_upgrade(struct mm_struct *mm, unsigned long limit) +int crst_table_upgrade(struct mm_struct *mm) { unsigned long *table, *pgd; - unsigned long entry; - int flush; - BUG_ON(limit > TASK_MAX_SIZE); - flush = 0; -repeat: + /* upgrade should only happen from 3 to 4 levels */ + BUG_ON(mm->context.asce_limit != (1UL << 42)); + table = crst_table_alloc(mm); if (!table) return -ENOMEM; + spin_lock_bh(&mm->page_table_lock); - if (mm->context.asce_limit < limit) { - pgd = (unsigned long *) mm->pgd; - if (mm->context.asce_limit <= (1UL << 31)) { - entry = _REGION3_ENTRY_EMPTY; - mm->context.asce_limit = 1UL << 42; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION3; - } else { - entry = _REGION2_ENTRY_EMPTY; - mm->context.asce_limit = 1UL << 53; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION2; - } - crst_table_init(table, entry); - pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd); - mm->pgd = (pgd_t *) table; - mm->task_size = mm->context.asce_limit; - table = NULL; - flush = 1; - } + pgd = (unsigned long *) mm->pgd; + crst_table_init(table, _REGION2_ENTRY_EMPTY); + pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd); + mm->pgd = (pgd_t *) table; + mm->context.asce_limit = 1UL << 53; + mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | _ASCE_TYPE_REGION2; + mm->task_size = mm->context.asce_limit; spin_unlock_bh(&mm->page_table_lock); - if (table) - crst_table_free(mm, table); - if (mm->context.asce_limit < limit) - goto repeat; - if (flush) - on_each_cpu(__crst_table_upgrade, mm, 0); + + on_each_cpu(__crst_table_upgrade, mm, 0); return 0; } -void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) +void crst_table_downgrade(struct mm_struct *mm) { pgd_t *pgd; + /* downgrade should only happen from 3 to 2 levels (compat only) */ + BUG_ON(mm->context.asce_limit != (1UL << 42)); + if (current->active_mm == mm) { clear_user_asce(); __tlb_flush_mm(mm); } - while (mm->context.asce_limit > limit) { - pgd = mm->pgd; - switch (pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) { - case _REGION_ENTRY_TYPE_R2: - mm->context.asce_limit = 1UL << 42; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION3; - break; - case _REGION_ENTRY_TYPE_R3: - mm->context.asce_limit = 1UL << 31; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_SEGMENT; - break; - default: - BUG(); - } - mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN); - mm->task_size = mm->context.asce_limit; - crst_table_free(mm, (unsigned long *) pgd); - } + + pgd = mm->pgd; + mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN); + mm->context.asce_limit = 1UL << 31; + mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT; + mm->task_size = mm->context.asce_limit; + crst_table_free(mm, (unsigned long *) pgd); + if (current->active_mm == mm) set_user_asce(mm); } diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index e595e89eac65..1ea8c07eab84 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -457,7 +457,7 @@ int zpci_dma_init_device(struct zpci_dev *zdev) zdev->dma_table = dma_alloc_cpu_table(); if (!zdev->dma_table) { rc = -ENOMEM; - goto out_clean; + goto out; } /* @@ -477,18 +477,22 @@ int zpci_dma_init_device(struct zpci_dev *zdev) zdev->iommu_bitmap = vzalloc(zdev->iommu_pages / 8); if (!zdev->iommu_bitmap) { rc = -ENOMEM; - goto out_reg; + goto free_dma_table; } rc = zpci_register_ioat(zdev, 0, zdev->start_dma, zdev->end_dma, (u64) zdev->dma_table); if (rc) - goto out_reg; - return 0; + goto free_bitmap; -out_reg: + return 0; +free_bitmap: + vfree(zdev->iommu_bitmap); + zdev->iommu_bitmap = NULL; +free_dma_table: dma_free_cpu_table(zdev->dma_table); -out_clean: + zdev->dma_table = NULL; +out: return rc; } diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig index fb23fd6b186a..c74d3701ad68 100644 --- a/arch/sparc/configs/sparc32_defconfig +++ b/arch/sparc/configs/sparc32_defconfig @@ -24,7 +24,6 @@ CONFIG_INET_AH=y CONFIG_INET_ESP=y CONFIG_INET_IPCOMP=y # CONFIG_INET_LRO is not set -CONFIG_IPV6_PRIVACY=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 04920ab8e292..3583d676a916 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -48,7 +48,6 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=y CONFIG_INET_ESP=y CONFIG_INET_IPCOMP=y -CONFIG_IPV6_PRIVACY=y CONFIG_IPV6_ROUTER_PREF=y CONFIG_IPV6_ROUTE_INFO=y CONFIG_IPV6_OPTIMISTIC_DAD=y diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 56f933816144..1d8321c827a8 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -48,6 +48,7 @@ #define SUN4V_CHIP_SPARC_M6 0x06 #define SUN4V_CHIP_SPARC_M7 0x07 #define SUN4V_CHIP_SPARC64X 0x8a +#define SUN4V_CHIP_SPARC_SN 0x8b #define SUN4V_CHIP_UNKNOWN 0xff #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index b6de8b10a55b..36eee8132c22 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -423,8 +423,10 @@ #define __NR_setsockopt 355 #define __NR_mlock2 356 #define __NR_copy_file_range 357 +#define __NR_preadv2 358 +#define __NR_pwritev2 359 -#define NR_syscalls 358 +#define NR_syscalls 360 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S index 4ee1ad420862..655628def68e 100644 --- a/arch/sparc/kernel/cherrs.S +++ b/arch/sparc/kernel/cherrs.S @@ -214,8 +214,7 @@ do_dcpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ subcc %g1, %g2, %g1 ! Next cacheline bge,pt %icc, 1b nop - ba,pt %xcc, dcpe_icpe_tl1_common - nop + ba,a,pt %xcc, dcpe_icpe_tl1_common do_dcpe_tl1_fatal: sethi %hi(1f), %g7 @@ -224,8 +223,7 @@ do_dcpe_tl1_fatal: mov 0x2, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_dcpe_tl1,.-do_dcpe_tl1 .globl do_icpe_tl1 @@ -259,8 +257,7 @@ do_icpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ subcc %g1, %g2, %g1 bge,pt %icc, 1b nop - ba,pt %xcc, dcpe_icpe_tl1_common - nop + ba,a,pt %xcc, dcpe_icpe_tl1_common do_icpe_tl1_fatal: sethi %hi(1f), %g7 @@ -269,8 +266,7 @@ do_icpe_tl1_fatal: mov 0x3, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_icpe_tl1,.-do_icpe_tl1 .type dcpe_icpe_tl1_common,#function @@ -456,7 +452,7 @@ __cheetah_log_error: cmp %g2, 0x63 be c_cee nop - ba,pt %xcc, c_deferred + ba,a,pt %xcc, c_deferred .size __cheetah_log_error,.-__cheetah_log_error /* Cheetah FECC trap handling, we get here from tl{0,1}_fecc diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index dfad8b1aea9f..493e023a468a 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -506,6 +506,12 @@ static void __init sun4v_cpu_probe(void) sparc_pmu_type = "sparc-m7"; break; + case SUN4V_CHIP_SPARC_SN: + sparc_cpu_type = "SPARC-SN"; + sparc_fpu_type = "SPARC-SN integrated FPU"; + sparc_pmu_type = "sparc-sn"; + break; + case SUN4V_CHIP_SPARC64X: sparc_cpu_type = "SPARC64-X"; sparc_fpu_type = "SPARC64-X integrated FPU"; diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index e69ec0e3f155..45c820e1cba5 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -328,6 +328,7 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index) case SUN4V_CHIP_NIAGARA5: case SUN4V_CHIP_SPARC_M6: case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: case SUN4V_CHIP_SPARC64X: rover_inc_table = niagara_iterate_method; break; diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S index a6864826a4bd..336d2750fe78 100644 --- a/arch/sparc/kernel/fpu_traps.S +++ b/arch/sparc/kernel/fpu_traps.S @@ -100,8 +100,8 @@ do_fpdis: fmuld %f0, %f2, %f26 faddd %f0, %f2, %f28 fmuld %f0, %f2, %f30 - b,pt %xcc, fpdis_exit - nop + ba,a,pt %xcc, fpdis_exit + 2: andcc %g5, FPRS_DU, %g0 bne,pt %icc, 3f fzero %f32 @@ -144,8 +144,8 @@ do_fpdis: fmuld %f32, %f34, %f58 faddd %f32, %f34, %f60 fmuld %f32, %f34, %f62 - ba,pt %xcc, fpdis_exit - nop + ba,a,pt %xcc, fpdis_exit + 3: mov SECONDARY_CONTEXT, %g3 add %g6, TI_FPREGS, %g1 @@ -197,8 +197,7 @@ fpdis_exit2: fp_other_bounce: call do_fpother add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size fp_other_bounce,.-fp_other_bounce .align 32 diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index cd1f592cd347..a076b4249e62 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -414,6 +414,8 @@ sun4v_chip_type: cmp %g2, 'T' be,pt %xcc, 70f cmp %g2, 'M' + be,pt %xcc, 70f + cmp %g2, 'S' bne,pn %xcc, 49f nop @@ -433,6 +435,9 @@ sun4v_chip_type: cmp %g2, '7' be,pt %xcc, 5f mov SUN4V_CHIP_SPARC_M7, %g4 + cmp %g2, 'N' + be,pt %xcc, 5f + mov SUN4V_CHIP_SPARC_SN, %g4 ba,pt %xcc, 49f nop @@ -461,9 +466,8 @@ sun4v_chip_type: subcc %g3, 1, %g3 bne,pt %xcc, 41b add %g1, 1, %g1 - mov SUN4V_CHIP_SPARC64X, %g4 ba,pt %xcc, 5f - nop + mov SUN4V_CHIP_SPARC64X, %g4 49: mov SUN4V_CHIP_UNKNOWN, %g4 @@ -548,8 +552,7 @@ sun4u_init: stxa %g0, [%g7] ASI_DMMU membar #Sync - ba,pt %xcc, sun4u_continue - nop + ba,a,pt %xcc, sun4u_continue sun4v_init: /* Set ctx 0 */ @@ -560,14 +563,12 @@ sun4v_init: mov SECONDARY_CONTEXT, %g7 stxa %g0, [%g7] ASI_MMU membar #Sync - ba,pt %xcc, niagara_tlb_fixup - nop + ba,a,pt %xcc, niagara_tlb_fixup sun4u_continue: BRANCH_IF_ANY_CHEETAH(g1, g7, cheetah_tlb_fixup) - ba,pt %xcc, spitfire_tlb_fixup - nop + ba,a,pt %xcc, spitfire_tlb_fixup niagara_tlb_fixup: mov 3, %g2 /* Set TLB type to hypervisor. */ @@ -597,6 +598,9 @@ niagara_tlb_fixup: cmp %g1, SUN4V_CHIP_SPARC_M7 be,pt %xcc, niagara4_patch nop + cmp %g1, SUN4V_CHIP_SPARC_SN + be,pt %xcc, niagara4_patch + nop call generic_patch_copyops nop @@ -639,8 +643,7 @@ niagara_patch: call hypervisor_patch_cachetlbops nop - ba,pt %xcc, tlb_fixup_done - nop + ba,a,pt %xcc, tlb_fixup_done cheetah_tlb_fixup: mov 2, %g2 /* Set TLB type to cheetah+. */ @@ -659,8 +662,7 @@ cheetah_tlb_fixup: call cheetah_patch_cachetlbops nop - ba,pt %xcc, tlb_fixup_done - nop + ba,a,pt %xcc, tlb_fixup_done spitfire_tlb_fixup: /* Set TLB type to spitfire. */ @@ -774,8 +776,7 @@ setup_trap_table: call %o1 add %sp, (2047 + 128), %o0 - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f 1: sethi %hi(sparc64_ttable_tl0), %o0 set prom_set_trap_table_name, %g2 @@ -814,8 +815,7 @@ setup_trap_table: BRANCH_IF_ANY_CHEETAH(o2, o3, 1f) - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f /* Disable STICK_INT interrupts. */ 1: diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S index 753b4f031bfb..34b4933900bf 100644 --- a/arch/sparc/kernel/misctrap.S +++ b/arch/sparc/kernel/misctrap.S @@ -18,8 +18,7 @@ __do_privact: 109: or %g7, %lo(109b), %g7 call do_privact add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __do_privact,.-__do_privact .type do_mna,#function @@ -46,8 +45,7 @@ do_mna: mov %l5, %o2 call mem_address_unaligned add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_mna,.-do_mna .type do_lddfmna,#function @@ -65,8 +63,7 @@ do_lddfmna: mov %l5, %o2 call handle_lddfmna add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_lddfmna,.-do_lddfmna .type do_stdfmna,#function @@ -84,8 +81,7 @@ do_stdfmna: mov %l5, %o2 call handle_stdfmna add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_stdfmna,.-do_stdfmna .type breakpoint_trap,#function diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index badf0951d73c..c2b202d763a1 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -245,6 +245,18 @@ static void pci_parse_of_addrs(struct platform_device *op, } } +static void pci_init_dev_archdata(struct dev_archdata *sd, void *iommu, + void *stc, void *host_controller, + struct platform_device *op, + int numa_node) +{ + sd->iommu = iommu; + sd->stc = stc; + sd->host_controller = host_controller; + sd->op = op; + sd->numa_node = numa_node; +} + static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, struct device_node *node, struct pci_bus *bus, int devfn) @@ -259,13 +271,10 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, if (!dev) return NULL; + op = of_find_device_by_node(node); sd = &dev->dev.archdata; - sd->iommu = pbm->iommu; - sd->stc = &pbm->stc; - sd->host_controller = pbm; - sd->op = op = of_find_device_by_node(node); - sd->numa_node = pbm->numa_node; - + pci_init_dev_archdata(sd, pbm->iommu, &pbm->stc, pbm, op, + pbm->numa_node); sd = &op->dev.archdata; sd->iommu = pbm->iommu; sd->stc = &pbm->stc; @@ -994,6 +1003,27 @@ void pcibios_set_master(struct pci_dev *dev) /* No special bus mastering setup handling */ } +#ifdef CONFIG_PCI_IOV +int pcibios_add_device(struct pci_dev *dev) +{ + struct pci_dev *pdev; + + /* Add sriov arch specific initialization here. + * Copy dev_archdata from PF to VF + */ + if (dev->is_virtfn) { + struct dev_archdata *psd; + + pdev = dev->physfn; + psd = &pdev->dev.archdata; + pci_init_dev_archdata(&dev->dev.archdata, psd->iommu, + psd->stc, psd->host_controller, NULL, + psd->numa_node); + } + return 0; +} +#endif /* CONFIG_PCI_IOV */ + static int __init pcibios_init(void) { pci_dfl_cache_line_size = 64 >> 2; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 26db95b54ee9..599f1207eed2 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -285,7 +285,8 @@ static void __init sun4v_patch(void) sun4v_patch_2insn_range(&__sun4v_2insn_patch, &__sun4v_2insn_patch_end); - if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7) + if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN) sun_m7_patch_2insn_range(&__sun_m7_2insn_patch, &__sun_m7_2insn_patch_end); @@ -524,6 +525,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_BLKINIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || @@ -532,6 +534,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_N2; } @@ -561,6 +564,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 | AV_SPARC_ASI_BLK_INIT | @@ -570,6 +574,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC | AV_SPARC_FMAF); diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S index c357e40ffd01..4a73009f66a5 100644 --- a/arch/sparc/kernel/spiterrs.S +++ b/arch/sparc/kernel/spiterrs.S @@ -85,8 +85,7 @@ __spitfire_cee_trap_continue: ba,pt %xcc, etraptl1 rd %pc, %g7 - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f 1: ba,pt %xcc, etrap_irq rd %pc, %g7 @@ -100,8 +99,7 @@ __spitfire_cee_trap_continue: mov %l5, %o2 call spitfire_access_error add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_access_error,.-__spitfire_access_error /* This is the trap handler entry point for ECC correctable @@ -179,8 +177,7 @@ __spitfire_data_access_exception_tl1: mov %l5, %o2 call spitfire_data_access_exception_tl1 add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_data_access_exception_tl1,.-__spitfire_data_access_exception_tl1 .type __spitfire_data_access_exception,#function @@ -200,8 +197,7 @@ __spitfire_data_access_exception: mov %l5, %o2 call spitfire_data_access_exception add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_data_access_exception,.-__spitfire_data_access_exception .type __spitfire_insn_access_exception_tl1,#function @@ -220,8 +216,7 @@ __spitfire_insn_access_exception_tl1: mov %l5, %o2 call spitfire_insn_access_exception_tl1 add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_insn_access_exception_tl1,.-__spitfire_insn_access_exception_tl1 .type __spitfire_insn_access_exception,#function @@ -240,6 +235,5 @@ __spitfire_insn_access_exception: mov %l5, %o2 call spitfire_insn_access_exception add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_insn_access_exception,.-__spitfire_insn_access_exception diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 6c3dd6c52f8b..eac7f0db5c8c 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -88,4 +88,4 @@ sys_call_table: /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen -/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range +/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 12b524cfcfa0..b0f17ff2ddba 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -89,7 +89,7 @@ sys_call_table32: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range + .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range, compat_sys_preadv2, compat_sys_pwritev2 #endif /* CONFIG_COMPAT */ @@ -170,4 +170,4 @@ sys_call_table: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word sys_setsockopt, sys_mlock2, sys_copy_file_range + .word sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S index b7f0f3f3a909..c731e8023d3e 100644 --- a/arch/sparc/kernel/utrap.S +++ b/arch/sparc/kernel/utrap.S @@ -11,8 +11,7 @@ utrap_trap: /* %g3=handler,%g4=level */ mov %l4, %o1 call bad_trap add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap invoke_utrap: sllx %g3, 3, %g3 diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index cb5789c9f961..f6bb857254fc 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -45,6 +45,14 @@ static const struct vio_device_id *vio_match_device( return NULL; } +static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env) +{ + const struct vio_dev *vio_dev = to_vio_dev(dev); + + add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, vio_dev->compat); + return 0; +} + static int vio_bus_match(struct device *dev, struct device_driver *drv) { struct vio_dev *vio_dev = to_vio_dev(dev); @@ -105,15 +113,25 @@ static ssize_t type_show(struct device *dev, return sprintf(buf, "%s\n", vdev->type); } +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + const struct vio_dev *vdev = to_vio_dev(dev); + + return sprintf(buf, "vio:T%sS%s\n", vdev->type, vdev->compat); +} + static struct device_attribute vio_dev_attrs[] = { __ATTR_RO(devspec), __ATTR_RO(type), + __ATTR_RO(modalias), __ATTR_NULL }; static struct bus_type vio_bus_type = { .name = "vio", .dev_attrs = vio_dev_attrs, + .uevent = vio_hotplug, .match = vio_bus_match, .probe = vio_device_probe, .remove = vio_device_remove, diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index aadd321aa05d..7d02b1fef025 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -33,6 +33,10 @@ ENTRY(_start) jiffies = jiffies_64; #endif +#ifdef CONFIG_SPARC64 +ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large") +#endif + SECTIONS { #ifdef CONFIG_SPARC64 diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index 1e67ce958369..855019a8590e 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -32,8 +32,7 @@ fill_fixup: rd %pc, %g7 call do_sparc64_fault add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap /* Be very careful about usage of the trap globals here. * You cannot touch %g5 as that has the fault information. diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 1cfe6aab7a11..09e838801e39 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1769,6 +1769,7 @@ static void __init setup_page_offset(void) max_phys_bits = 47; break; case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: default: /* M7 and later support 52-bit virtual addresses. */ sparc64_va_hole_top = 0xfff8000000000000UL; @@ -1986,6 +1987,7 @@ static void __init sun4v_linear_pte_xor_finalize(void) */ switch (sun4v_chip_type) { case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: pagecv_flag = 0x00; break; default: @@ -2138,6 +2140,7 @@ void __init paging_init(void) */ switch (sun4v_chip_type) { case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: page_cache4v_flag = _PAGE_CP_4V; break; default: diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index 86a9bec18dab..bd3e8421b57c 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -115,7 +115,7 @@ static __initconst const u64 amd_hw_cache_event_ids /* * AMD Performance Monitor K7 and later. */ -static const u64 amd_perfmon_event_map[] = +static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] = { [PERF_COUNT_HW_CPU_CYCLES] = 0x0076, [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index 40625ca7a190..6011a573dd64 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -474,6 +474,7 @@ static __init int _init_perf_amd_iommu( static struct perf_amd_iommu __perf_iommu = { .pmu = { + .task_ctx_nr = perf_invalid_context, .event_init = perf_iommu_event_init, .add = perf_iommu_add, .del = perf_iommu_del, diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 68fa55b4d42e..a6fd4dbcf820 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3637,8 +3637,11 @@ __init int intel_pmu_init(void) pr_cont("Knights Landing events, "); break; + case 142: /* 14nm Kabylake Mobile */ + case 158: /* 14nm Kabylake Desktop */ case 78: /* 14nm Skylake Mobile */ case 94: /* 14nm Skylake Desktop */ + case 85: /* 14nm Skylake Server */ x86_pmu.late_ack = true; memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids)); memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 6c3b7c1780c9..1ca5d1e7d4f2 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -63,7 +63,7 @@ static enum { #define LBR_PLM (LBR_KERNEL | LBR_USER) -#define LBR_SEL_MASK 0x1ff /* valid bits in LBR_SELECT */ +#define LBR_SEL_MASK 0x3ff /* valid bits in LBR_SELECT */ #define LBR_NOT_SUPP -1 /* LBR filter not supported */ #define LBR_IGN 0 /* ignored */ @@ -610,8 +610,10 @@ static int intel_pmu_setup_hw_lbr_filter(struct perf_event *event) * The first 9 bits (LBR_SEL_MASK) in LBR_SELECT operate * in suppress mode. So LBR_SELECT should be set to * (~mask & LBR_SEL_MASK) | (mask & ~LBR_SEL_MASK) + * But the 10th bit LBR_CALL_STACK does not operate + * in suppress mode. */ - reg->config = mask ^ x86_pmu.lbr_sel_mask; + reg->config = mask ^ (x86_pmu.lbr_sel_mask & ~LBR_CALL_STACK); if ((br_type & PERF_SAMPLE_BRANCH_NO_CYCLES) && (br_type & PERF_SAMPLE_BRANCH_NO_FLAGS) && diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 6af7cf71d6b2..09a77dbc73c9 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -136,9 +136,21 @@ static int __init pt_pmu_hw_init(void) struct dev_ext_attribute *de_attrs; struct attribute **attrs; size_t size; + u64 reg; int ret; long i; + if (boot_cpu_has(X86_FEATURE_VMX)) { + /* + * Intel SDM, 36.5 "Tracing post-VMXON" says that + * "IA32_VMX_MISC[bit 14]" being 1 means PT can trace + * post-VMXON. + */ + rdmsrl(MSR_IA32_VMX_MISC, reg); + if (reg & BIT(14)) + pt_pmu.vmx = true; + } + attrs = NULL; for (i = 0; i < PT_CPUID_LEAVES; i++) { @@ -269,20 +281,23 @@ static void pt_config(struct perf_event *event) reg |= (event->attr.config & PT_CONFIG_MASK); + event->hw.config = reg; wrmsrl(MSR_IA32_RTIT_CTL, reg); } -static void pt_config_start(bool start) +static void pt_config_stop(struct perf_event *event) { - u64 ctl; + u64 ctl = READ_ONCE(event->hw.config); + + /* may be already stopped by a PMI */ + if (!(ctl & RTIT_CTL_TRACEEN)) + return; - rdmsrl(MSR_IA32_RTIT_CTL, ctl); - if (start) - ctl |= RTIT_CTL_TRACEEN; - else - ctl &= ~RTIT_CTL_TRACEEN; + ctl &= ~RTIT_CTL_TRACEEN; wrmsrl(MSR_IA32_RTIT_CTL, ctl); + WRITE_ONCE(event->hw.config, ctl); + /* * A wrmsr that disables trace generation serializes other PT * registers and causes all data packets to be written to memory, @@ -291,8 +306,7 @@ static void pt_config_start(bool start) * The below WMB, separating data store and aux_head store matches * the consumer's RMB that separates aux_head load and data load. */ - if (!start) - wmb(); + wmb(); } static void pt_config_buffer(void *buf, unsigned int topa_idx, @@ -942,11 +956,17 @@ void intel_pt_interrupt(void) if (!ACCESS_ONCE(pt->handle_nmi)) return; - pt_config_start(false); + /* + * If VMX is on and PT does not support it, don't touch anything. + */ + if (READ_ONCE(pt->vmx_on)) + return; if (!event) return; + pt_config_stop(event); + buf = perf_get_aux(&pt->handle); if (!buf) return; @@ -983,6 +1003,35 @@ void intel_pt_interrupt(void) } } +void intel_pt_handle_vmx(int on) +{ + struct pt *pt = this_cpu_ptr(&pt_ctx); + struct perf_event *event; + unsigned long flags; + + /* PT plays nice with VMX, do nothing */ + if (pt_pmu.vmx) + return; + + /* + * VMXON will clear RTIT_CTL.TraceEn; we need to make + * sure to not try to set it while VMX is on. Disable + * interrupts to avoid racing with pmu callbacks; + * concurrent PMI should be handled fine. + */ + local_irq_save(flags); + WRITE_ONCE(pt->vmx_on, on); + + if (on) { + /* prevent pt_config_stop() from writing RTIT_CTL */ + event = pt->handle.event; + if (event) + event->hw.config = 0; + } + local_irq_restore(flags); +} +EXPORT_SYMBOL_GPL(intel_pt_handle_vmx); + /* * PMU callbacks */ @@ -992,6 +1041,9 @@ static void pt_event_start(struct perf_event *event, int mode) struct pt *pt = this_cpu_ptr(&pt_ctx); struct pt_buffer *buf = perf_get_aux(&pt->handle); + if (READ_ONCE(pt->vmx_on)) + return; + if (!buf || pt_buffer_is_full(buf, pt)) { event->hw.state = PERF_HES_STOPPED; return; @@ -1014,7 +1066,8 @@ static void pt_event_stop(struct perf_event *event, int mode) * see comment in intel_pt_interrupt(). */ ACCESS_ONCE(pt->handle_nmi) = 0; - pt_config_start(false); + + pt_config_stop(event); if (event->hw.state == PERF_HES_STOPPED) return; diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h index 336878a5d205..3abb5f5cccc8 100644 --- a/arch/x86/events/intel/pt.h +++ b/arch/x86/events/intel/pt.h @@ -65,6 +65,7 @@ enum pt_capabilities { struct pt_pmu { struct pmu pmu; u32 caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES]; + bool vmx; }; /** @@ -107,10 +108,12 @@ struct pt_buffer { * struct pt - per-cpu pt context * @handle: perf output handle * @handle_nmi: do handle PT PMI on this cpu, there's an active event + * @vmx_on: 1 if VMX is ON on this cpu */ struct pt { struct perf_output_handle handle; int handle_nmi; + int vmx_on; }; #endif /* __INTEL_PT_H__ */ diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c index 70c93f9b03ac..1705c9d75e44 100644 --- a/arch/x86/events/intel/rapl.c +++ b/arch/x86/events/intel/rapl.c @@ -718,6 +718,7 @@ static int __init rapl_pmu_init(void) break; case 60: /* Haswell */ case 69: /* Haswell-Celeron */ + case 70: /* Haswell GT3e */ case 61: /* Broadwell */ case 71: /* Broadwell-H */ rapl_cntr_mask = RAPL_IDX_HSW; diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 5a2ed3ed2f26..f353061bba1d 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -285,6 +285,10 @@ static inline void perf_events_lapic_init(void) { } static inline void perf_check_microcode(void) { } #endif +#ifdef CONFIG_CPU_SUP_INTEL + extern void intel_pt_handle_vmx(int on); +#endif + #if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_AMD) extern void amd_pmu_enable_virt(void); extern void amd_pmu_disable_virt(void); diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index ad59d70bcb1a..ef495511f019 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -256,7 +256,8 @@ static void clear_irq_vector(int irq, struct apic_chip_data *data) struct irq_desc *desc; int cpu, vector; - BUG_ON(!data->cfg.vector); + if (!data->cfg.vector) + return; vector = data->cfg.vector; for_each_cpu_and(cpu, data->domain, cpu_online_mask) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 8f4942e2bcbb..d7ce96a7daca 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -891,9 +891,7 @@ void __init uv_system_init(void) } pr_info("UV: Found %s hub\n", hub); - /* We now only need to map the MMRs on UV1 */ - if (is_uv1_hub()) - map_low_mmrs(); + map_low_mmrs(); m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 54cdbd2003fe..af1112980dd4 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -389,12 +389,6 @@ default_entry: /* Make changes effective */ wrmsr - /* - * And make sure that all the mappings we set up have NX set from - * the beginning. - */ - orl $(1 << (_PAGE_BIT_NX - 32)), pa(__supported_pte_mask + 4) - enable_paging: /* diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c index b285d4e8c68e..5da924bbf0a0 100644 --- a/arch/x86/kernel/sysfb_efi.c +++ b/arch/x86/kernel/sysfb_efi.c @@ -106,14 +106,24 @@ static int __init efifb_set_system(const struct dmi_system_id *id) continue; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { resource_size_t start, end; + unsigned long flags; + + flags = pci_resource_flags(dev, i); + if (!(flags & IORESOURCE_MEM)) + continue; + + if (flags & IORESOURCE_UNSET) + continue; + + if (pci_resource_len(dev, i) == 0) + continue; start = pci_resource_start(dev, i); - if (start == 0) - break; end = pci_resource_end(dev, i); if (screen_info.lfb_base >= start && screen_info.lfb_base < end) { found_bar = 1; + break; } } } diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 92ae6acac8a7..6aa0f4d9eea6 100644 --- a/arch/x86/kernel/tsc_msr.c +++ b/arch/x86/kernel/tsc_msr.c @@ -92,7 +92,7 @@ unsigned long try_msr_calibrate_tsc(void) if (freq_desc_tables[cpu_index].msr_plat) { rdmsr(MSR_PLATFORM_INFO, lo, hi); - ratio = (lo >> 8) & 0x1f; + ratio = (lo >> 8) & 0xff; } else { rdmsr(MSR_IA32_PERF_STATUS, lo, hi); ratio = (hi >> 8) & 0x1f; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1ff4dbb73fb7..b6f50e8b0a39 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2823,7 +2823,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu, */ if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) && level == PT_PAGE_TABLE_LEVEL && - PageTransCompound(pfn_to_page(pfn)) && + PageTransCompoundMap(pfn_to_page(pfn)) && !mmu_gfn_lpage_is_disallowed(vcpu, gfn, PT_DIRECTORY_LEVEL)) { unsigned long mask; /* @@ -4785,7 +4785,7 @@ restart: */ if (sp->role.direct && !kvm_is_reserved_pfn(pfn) && - PageTransCompound(pfn_to_page(pfn))) { + PageTransCompoundMap(pfn_to_page(pfn))) { drop_spte(kvm, sptep); need_tlb_flush = 1; goto restart; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ee1c8a93871c..133679d520af 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3103,6 +3103,8 @@ static __init int vmx_disabled_by_bios(void) static void kvm_cpu_vmxon(u64 addr) { + intel_pt_handle_vmx(1); + asm volatile (ASM_VMX_VMXON_RAX : : "a"(&addr), "m"(addr) : "memory", "cc"); @@ -3172,6 +3174,8 @@ static void vmclear_local_loaded_vmcss(void) static void kvm_cpu_vmxoff(void) { asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc"); + + intel_pt_handle_vmx(0); } static void hardware_disable(void) diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c index 8bea84724a7d..f65a33f505b6 100644 --- a/arch/x86/mm/setup_nx.c +++ b/arch/x86/mm/setup_nx.c @@ -32,8 +32,9 @@ early_param("noexec", noexec_setup); void x86_configure_nx(void) { - /* If disable_nx is set, clear NX on all new mappings going forward. */ - if (disable_nx) + if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx) + __supported_pte_mask |= _PAGE_NX; + else __supported_pte_mask &= ~_PAGE_NX; } diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index a2433817c987..6a2f5691b1ab 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -43,40 +43,40 @@ void __init efi_bgrt_init(void) return; if (bgrt_tab->header.length < sizeof(*bgrt_tab)) { - pr_err("Ignoring BGRT: invalid length %u (expected %zu)\n", + pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n", bgrt_tab->header.length, sizeof(*bgrt_tab)); return; } if (bgrt_tab->version != 1) { - pr_err("Ignoring BGRT: invalid version %u (expected 1)\n", + pr_notice("Ignoring BGRT: invalid version %u (expected 1)\n", bgrt_tab->version); return; } if (bgrt_tab->status & 0xfe) { - pr_err("Ignoring BGRT: reserved status bits are non-zero %u\n", + pr_notice("Ignoring BGRT: reserved status bits are non-zero %u\n", bgrt_tab->status); return; } if (bgrt_tab->image_type != 0) { - pr_err("Ignoring BGRT: invalid image type %u (expected 0)\n", + pr_notice("Ignoring BGRT: invalid image type %u (expected 0)\n", bgrt_tab->image_type); return; } if (!bgrt_tab->image_address) { - pr_err("Ignoring BGRT: null image address\n"); + pr_notice("Ignoring BGRT: null image address\n"); return; } image = memremap(bgrt_tab->image_address, sizeof(bmp_header), MEMREMAP_WB); if (!image) { - pr_err("Ignoring BGRT: failed to map image header memory\n"); + pr_notice("Ignoring BGRT: failed to map image header memory\n"); return; } memcpy(&bmp_header, image, sizeof(bmp_header)); memunmap(image); if (bmp_header.id != 0x4d42) { - pr_err("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n", + pr_notice("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n", bmp_header.id); return; } @@ -84,14 +84,14 @@ void __init efi_bgrt_init(void) bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN); if (!bgrt_image) { - pr_err("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n", + pr_notice("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n", bgrt_image_size); return; } image = memremap(bgrt_tab->image_address, bmp_header.size, MEMREMAP_WB); if (!image) { - pr_err("Ignoring BGRT: failed to map image memory\n"); + pr_notice("Ignoring BGRT: failed to map image memory\n"); kfree(bgrt_image); bgrt_image = NULL; return; diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 9e2ba5c6e1dd..f42e78de1e10 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -27,6 +27,12 @@ static bool xen_pvspin = true; static void xen_qlock_kick(int cpu) { + int irq = per_cpu(lock_kicker_irq, cpu); + + /* Don't kick if the target's kicker interrupt is not initialized. */ + if (irq == -1) + return; + xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR); } diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 1982310e6d83..da198b864107 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -428,6 +428,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, obj_desc->method.mutex->mutex. original_sync_level = obj_desc->method.mutex->mutex.sync_level; + + obj_desc->method.mutex->mutex.thread_id = + acpi_os_get_thread_id(); } } diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index d0f35e63640b..63cc9dbe4f3b 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -287,8 +287,11 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, offset); rc = -ENXIO; } - } else + } else { rc = 0; + if (cmd_rc) + *cmd_rc = xlat_status(buf, cmd); + } out: ACPI_FREE(out_obj); diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 5083f85efea7..cfa936a32513 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -202,6 +202,14 @@ config SATA_FSL If unsure, say N. +config SATA_AHCI_SEATTLE + tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support" + depends on ARCH_SEATTLE + help + This option enables support for AMD Seattle SATA host controller. + + If unsure, say N + config SATA_INIC162X tristate "Initio 162x SATA support (Very Experimental)" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 18579521464e..0b2afb7e5f35 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_ATA) += libata.o # non-SFF interface obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o obj-$(CONFIG_SATA_ACARD_AHCI) += acard-ahci.o libahci.o +obj-$(CONFIG_SATA_AHCI_SEATTLE) += ahci_seattle.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_FSL) += sata_fsl.o obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 40442332bfa7..62a04c8fb5c9 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -51,6 +51,9 @@ static int ahci_probe(struct platform_device *pdev) if (rc) return rc; + of_property_read_u32(dev->of_node, + "ports-implemented", &hpriv->force_port_map); + if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c new file mode 100644 index 000000000000..6e702ab57220 --- /dev/null +++ b/drivers/ata/ahci_seattle.c @@ -0,0 +1,210 @@ +/* + * AMD Seattle AHCI SATA driver + * + * Copyright (c) 2015, Advanced Micro Devices + * Author: Brijesh Singh <brijesh.singh@amd.com> + * + * based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/device.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/libata.h> +#include <linux/ahci_platform.h> +#include <linux/acpi.h> +#include <linux/pci_ids.h> +#include "ahci.h" + +/* SGPIO Control Register definition + * + * Bit Type Description + * 31 RW OD7.2 (activity) + * 30 RW OD7.1 (locate) + * 29 RW OD7.0 (fault) + * 28...8 RW OD6.2...OD0.0 (3bits per port, 1 bit per LED) + * 7 RO SGPIO feature flag + * 6:4 RO Reserved + * 3:0 RO Number of ports (0 means no port supported) + */ +#define ACTIVITY_BIT_POS(x) (8 + (3 * x)) +#define LOCATE_BIT_POS(x) (ACTIVITY_BIT_POS(x) + 1) +#define FAULT_BIT_POS(x) (LOCATE_BIT_POS(x) + 1) + +#define ACTIVITY_MASK 0x00010000 +#define LOCATE_MASK 0x00080000 +#define FAULT_MASK 0x00400000 + +#define DRV_NAME "ahci-seattle" + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size); + +struct seattle_plat_data { + void __iomem *sgpio_ctrl; +}; + +static struct ata_port_operations ahci_port_ops = { + .inherits = &ahci_ops, +}; + +static const struct ata_port_info ahci_port_info = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_port_ops, +}; + +static struct ata_port_operations ahci_seattle_ops = { + .inherits = &ahci_ops, + .transmit_led_message = seattle_transmit_led_message, +}; + +static const struct ata_port_info ahci_port_seattle_info = { + .flags = AHCI_FLAG_COMMON | ATA_FLAG_EM | ATA_FLAG_SW_ACTIVITY, + .link_flags = ATA_LFLAG_SW_ACTIVITY, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_seattle_ops, +}; + +static struct scsi_host_template ahci_platform_sht = { + AHCI_SHT(DRV_NAME), +}; + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size) +{ + struct ahci_host_priv *hpriv = ap->host->private_data; + struct ahci_port_priv *pp = ap->private_data; + struct seattle_plat_data *plat_data = hpriv->plat_data; + unsigned long flags; + int pmp; + struct ahci_em_priv *emp; + u32 val; + + /* get the slot number from the message */ + pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8; + if (pmp >= EM_MAX_SLOTS) + return -EINVAL; + emp = &pp->em_priv[pmp]; + + val = ioread32(plat_data->sgpio_ctrl); + if (state & ACTIVITY_MASK) + val |= 1 << ACTIVITY_BIT_POS((ap->port_no)); + else + val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no))); + + if (state & LOCATE_MASK) + val |= 1 << LOCATE_BIT_POS((ap->port_no)); + else + val &= ~(1 << LOCATE_BIT_POS((ap->port_no))); + + if (state & FAULT_MASK) + val |= 1 << FAULT_BIT_POS((ap->port_no)); + else + val &= ~(1 << FAULT_BIT_POS((ap->port_no))); + + iowrite32(val, plat_data->sgpio_ctrl); + + spin_lock_irqsave(ap->lock, flags); + + /* save off new led state for port/slot */ + emp->led_state = state; + + spin_unlock_irqrestore(ap->lock, flags); + + return size; +} + +static const struct ata_port_info *ahci_seattle_get_port_info( + struct platform_device *pdev, struct ahci_host_priv *hpriv) +{ + struct device *dev = &pdev->dev; + struct seattle_plat_data *plat_data; + u32 val; + + plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL); + if (IS_ERR(plat_data)) + return &ahci_port_info; + + plat_data->sgpio_ctrl = devm_ioremap_resource(dev, + platform_get_resource(pdev, IORESOURCE_MEM, 1)); + if (IS_ERR(plat_data->sgpio_ctrl)) + return &ahci_port_info; + + val = ioread32(plat_data->sgpio_ctrl); + + if (!(val & 0xf)) + return &ahci_port_info; + + hpriv->em_loc = 0; + hpriv->em_buf_sz = 4; + hpriv->em_msg_type = EM_MSG_TYPE_LED; + hpriv->plat_data = plat_data; + + dev_info(dev, "SGPIO LED control is enabled.\n"); + return &ahci_port_seattle_info; +} + +static int ahci_seattle_probe(struct platform_device *pdev) +{ + int rc; + struct ahci_host_priv *hpriv; + + hpriv = ahci_platform_get_resources(pdev); + if (IS_ERR(hpriv)) + return PTR_ERR(hpriv); + + rc = ahci_platform_enable_resources(hpriv); + if (rc) + return rc; + + rc = ahci_platform_init_host(pdev, hpriv, + ahci_seattle_get_port_info(pdev, hpriv), + &ahci_platform_sht); + if (rc) + goto disable_resources; + + return 0; +disable_resources: + ahci_platform_disable_resources(hpriv); + return rc; +} + +static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend, + ahci_platform_resume); + +static const struct acpi_device_id ahci_acpi_match[] = { + { "AMDI0600", 0 }, + {} +}; +MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); + +static struct platform_driver ahci_seattle_driver = { + .probe = ahci_seattle_probe, + .remove = ata_platform_remove_one, + .driver = { + .name = DRV_NAME, + .acpi_match_table = ahci_acpi_match, + .pm = &ahci_pm_ops, + }, +}; +module_platform_driver(ahci_seattle_driver); + +MODULE_DESCRIPTION("Seattle AHCI SATA platform driver"); +MODULE_AUTHOR("Brijesh Singh <brijesh.singh@amd.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 3982054060b8..a5d7c1c2a05e 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -507,6 +507,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", port_map, hpriv->force_port_map); port_map = hpriv->force_port_map; + hpriv->saved_port_map = port_map; } if (hpriv->mask_port_map) { diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 433b60092972..d8f4cc22856c 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -259,9 +259,6 @@ unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev) reg = opp_table->regulator; if (IS_ERR(reg)) { /* Regulator may not be required for device */ - if (reg) - dev_err(dev, "%s: Invalid regulator (%ld)\n", __func__, - PTR_ERR(reg)); rcu_read_unlock(); return 0; } diff --git a/drivers/base/property.c b/drivers/base/property.c index 9b1a65debd49..7f692accdc90 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -21,7 +21,7 @@ static inline bool is_pset_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_PDATA; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_PDATA; } static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 94a1843b0426..0ede6d7e2568 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -538,7 +538,6 @@ static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id, u8 *order, u64 *snap_size); static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, u64 *snap_features); -static u64 rbd_snap_id_by_name(struct rbd_device *rbd_dev, const char *name); static int rbd_open(struct block_device *bdev, fmode_t mode) { @@ -3127,9 +3126,6 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) struct rbd_device *rbd_dev = (struct rbd_device *)data; int ret; - if (!rbd_dev) - return; - dout("%s: \"%s\" notify_id %llu opcode %u\n", __func__, rbd_dev->header_name, (unsigned long long)notify_id, (unsigned int)opcode); @@ -3263,6 +3259,9 @@ static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev) ceph_osdc_cancel_event(rbd_dev->watch_event); rbd_dev->watch_event = NULL; + + dout("%s flushing notifies\n", __func__); + ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); } /* @@ -3642,21 +3641,14 @@ static void rbd_exists_validate(struct rbd_device *rbd_dev) static void rbd_dev_update_size(struct rbd_device *rbd_dev) { sector_t size; - bool removing; /* - * Don't hold the lock while doing disk operations, - * or lock ordering will conflict with the bdev mutex via: - * rbd_add() -> blkdev_get() -> rbd_open() + * If EXISTS is not set, rbd_dev->disk may be NULL, so don't + * try to update its size. If REMOVING is set, updating size + * is just useless work since the device can't be opened. */ - spin_lock_irq(&rbd_dev->lock); - removing = test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags); - spin_unlock_irq(&rbd_dev->lock); - /* - * If the device is being removed, rbd_dev->disk has - * been destroyed, so don't try to update its size - */ - if (!removing) { + if (test_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags) && + !test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags)) { size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE; dout("setting size to %llu sectors", (unsigned long long)size); set_capacity(rbd_dev->disk, size); @@ -4191,7 +4183,7 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, __le64 features; __le64 incompat; } __attribute__ ((packed)) features_buf = { 0 }; - u64 incompat; + u64 unsup; int ret; ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_name, @@ -4204,9 +4196,12 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, if (ret < sizeof (features_buf)) return -ERANGE; - incompat = le64_to_cpu(features_buf.incompat); - if (incompat & ~RBD_FEATURES_SUPPORTED) + unsup = le64_to_cpu(features_buf.incompat) & ~RBD_FEATURES_SUPPORTED; + if (unsup) { + rbd_warn(rbd_dev, "image uses unsupported features: 0x%llx", + unsup); return -ENXIO; + } *snap_features = le64_to_cpu(features_buf.features); @@ -5187,6 +5182,10 @@ out_err: return ret; } +/* + * rbd_dev->header_rwsem must be locked for write and will be unlocked + * upon return. + */ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) { int ret; @@ -5195,7 +5194,7 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) ret = rbd_dev_id_get(rbd_dev); if (ret) - return ret; + goto err_out_unlock; BUILD_BUG_ON(DEV_NAME_LEN < sizeof (RBD_DRV_NAME) + MAX_INT_FORMAT_WIDTH); @@ -5236,8 +5235,9 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) /* Everything's ready. Announce the disk to the world. */ set_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags); - add_disk(rbd_dev->disk); + up_write(&rbd_dev->header_rwsem); + add_disk(rbd_dev->disk); pr_info("%s: added with size 0x%llx\n", rbd_dev->disk->disk_name, (unsigned long long) rbd_dev->mapping.size); @@ -5252,6 +5252,8 @@ err_out_blkdev: unregister_blkdev(rbd_dev->major, rbd_dev->name); err_out_id: rbd_dev_id_put(rbd_dev); +err_out_unlock: + up_write(&rbd_dev->header_rwsem); return ret; } @@ -5442,6 +5444,7 @@ static ssize_t do_rbd_add(struct bus_type *bus, spec = NULL; /* rbd_dev now owns this */ rbd_opts = NULL; /* rbd_dev now owns this */ + down_write(&rbd_dev->header_rwsem); rc = rbd_dev_image_probe(rbd_dev, 0); if (rc < 0) goto err_out_rbd_dev; @@ -5471,6 +5474,7 @@ out: return rc; err_out_rbd_dev: + up_write(&rbd_dev->header_rwsem); rbd_dev_destroy(rbd_dev); err_out_client: rbd_put_client(rbdc); @@ -5577,12 +5581,6 @@ static ssize_t do_rbd_remove(struct bus_type *bus, return ret; rbd_dev_header_unwatch_sync(rbd_dev); - /* - * flush remaining watch callbacks - these must be complete - * before the osd_client is shutdown - */ - dout("%s: flushing notifies", __func__); - ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); /* * Don't free anything from rbd_dev->disk until after all diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index 02e18182fcb5..2beb396fe652 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -394,7 +394,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7); } else { clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6); - clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6); + clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6); clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup); clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6); clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index e93405f0eac4..c4acfc5273b3 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1557,21 +1557,25 @@ void cpufreq_suspend(void) if (!cpufreq_driver) return; - if (!has_target()) + if (!has_target() && !cpufreq_driver->suspend) goto suspend; pr_debug("%s: Suspending Governors\n", __func__); for_each_active_policy(policy) { - down_write(&policy->rwsem); - ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); - up_write(&policy->rwsem); + if (has_target()) { + down_write(&policy->rwsem); + ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); + up_write(&policy->rwsem); - if (ret) - pr_err("%s: Failed to stop governor for policy: %p\n", - __func__, policy); - else if (cpufreq_driver->suspend - && cpufreq_driver->suspend(policy)) + if (ret) { + pr_err("%s: Failed to stop governor for policy: %p\n", + __func__, policy); + continue; + } + } + + if (cpufreq_driver->suspend && cpufreq_driver->suspend(policy)) pr_err("%s: Failed to suspend driver: %p\n", __func__, policy); } @@ -1596,7 +1600,7 @@ void cpufreq_resume(void) cpufreq_suspended = false; - if (!has_target()) + if (!has_target() && !cpufreq_driver->resume) return; pr_debug("%s: Resuming Governors\n", __func__); @@ -1605,7 +1609,7 @@ void cpufreq_resume(void) if (cpufreq_driver->resume && cpufreq_driver->resume(policy)) { pr_err("%s: Failed to resume driver: %p\n", __func__, policy); - } else { + } else if (has_target()) { down_write(&policy->rwsem); ret = cpufreq_start_governor(policy); up_write(&policy->rwsem); diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 10a5cfeae8c5..5f1147fa9239 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -193,12 +193,8 @@ unsigned int dbs_update(struct cpufreq_policy *policy) wall_time = cur_wall_time - j_cdbs->prev_cpu_wall; j_cdbs->prev_cpu_wall = cur_wall_time; - if (cur_idle_time <= j_cdbs->prev_cpu_idle) { - idle_time = 0; - } else { - idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; - j_cdbs->prev_cpu_idle = cur_idle_time; - } + idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; + j_cdbs->prev_cpu_idle = cur_idle_time; if (ignore_nice) { u64 cur_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 30fe323c4551..b230ebaae66c 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -453,6 +453,14 @@ static void intel_pstate_hwp_set(const struct cpumask *cpumask) } } +static int intel_pstate_hwp_set_policy(struct cpufreq_policy *policy) +{ + if (hwp_active) + intel_pstate_hwp_set(policy->cpus); + + return 0; +} + static void intel_pstate_hwp_set_online_cpus(void) { get_online_cpus(); @@ -813,6 +821,11 @@ static int core_get_max_pstate(void) if (err) goto skip_tar; + /* For level 1 and 2, bits[23:16] contain the ratio */ + if (tdp_ctrl) + tdp_ratio >>= 16; + + tdp_ratio &= 0xff; /* ratios are only 8 bits long */ if (tdp_ratio - 1 == tar) { max_pstate = tar; pr_debug("max_pstate=TAC %x\n", max_pstate); @@ -1057,8 +1070,9 @@ static inline bool intel_pstate_sample(struct cpudata *cpu, u64 time) static inline int32_t get_avg_frequency(struct cpudata *cpu) { - return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf * - cpu->pstate.scaling, cpu->sample.mperf); + return fp_toint(mul_fp(cpu->sample.core_pct_busy, + int_tofp(cpu->pstate.max_pstate_physical * + cpu->pstate.scaling / 100))); } static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) @@ -1101,8 +1115,6 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) int32_t core_busy, max_pstate, current_pstate, sample_ratio; u64 duration_ns; - intel_pstate_calc_busy(cpu); - /* * core_busy is the ratio of actual performance to max * max_pstate is the max non turbo pstate available @@ -1186,8 +1198,11 @@ static void intel_pstate_update_util(struct update_util_data *data, u64 time, if ((s64)delta_ns >= pid_params.sample_rate_ns) { bool sample_taken = intel_pstate_sample(cpu, time); - if (sample_taken && !hwp_active) - intel_pstate_adjust_busy_pstate(cpu); + if (sample_taken) { + intel_pstate_calc_busy(cpu); + if (!hwp_active) + intel_pstate_adjust_busy_pstate(cpu); + } } } @@ -1341,8 +1356,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) out: intel_pstate_set_update_util_hook(policy->cpu); - if (hwp_active) - intel_pstate_hwp_set(policy->cpus); + intel_pstate_hwp_set_policy(policy); return 0; } @@ -1406,6 +1420,7 @@ static struct cpufreq_driver intel_pstate_driver = { .flags = CPUFREQ_CONST_LOOPS, .verify = intel_pstate_verify_policy, .setpolicy = intel_pstate_set_policy, + .resume = intel_pstate_hwp_set_policy, .get = intel_pstate_get, .init = intel_pstate_cpu_init, .stop_cpu = intel_pstate_stop_cpu, diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c index a9c659f58974..04042038ec4b 100644 --- a/drivers/cpufreq/sti-cpufreq.c +++ b/drivers/cpufreq/sti-cpufreq.c @@ -259,6 +259,10 @@ static int sti_cpufreq_init(void) { int ret; + if ((!of_machine_is_compatible("st,stih407")) && + (!of_machine_is_compatible("st,stih410"))) + return -ENODEV; + ddata.cpu = get_cpu_device(0); if (!ddata.cpu) { dev_err(ddata.cpu, "Failed to get device for CPU0\n"); diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index 545069d5fdfb..e342565e8715 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -50,7 +50,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, * call the CPU ops suspend protocol with idle index as a * parameter. */ - arm_cpuidle_suspend(idx); + ret = arm_cpuidle_suspend(idx); cpu_pm_exit(); } diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index a0d4a08313ae..aae05547b924 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -63,6 +63,14 @@ static void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr, ptr->eptr = upper_32_bits(dma_addr); } +static void copy_talitos_ptr(struct talitos_ptr *dst_ptr, + struct talitos_ptr *src_ptr, bool is_sec1) +{ + dst_ptr->ptr = src_ptr->ptr; + if (!is_sec1) + dst_ptr->eptr = src_ptr->eptr; +} + static void to_talitos_ptr_len(struct talitos_ptr *ptr, unsigned int len, bool is_sec1) { @@ -1083,21 +1091,20 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ?: 1, (areq->src == areq->dst) ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE); - /* hmac data */ desc->ptr[1].len = cpu_to_be16(areq->assoclen); if (sg_count > 1 && (ret = sg_to_link_tbl_offset(areq->src, sg_count, 0, areq->assoclen, &edesc->link_tbl[tbl_off])) > 1) { - tbl_off += ret; - to_talitos_ptr(&desc->ptr[1], edesc->dma_link_tbl + tbl_off * sizeof(struct talitos_ptr), 0); desc->ptr[1].j_extent = DESC_PTR_LNKTBL_JUMP; dma_sync_single_for_device(dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); + + tbl_off += ret; } else { to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->src), 0); desc->ptr[1].j_extent = 0; @@ -1126,11 +1133,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV) sg_link_tbl_len += authsize; - if (sg_count > 1 && - (ret = sg_to_link_tbl_offset(areq->src, sg_count, areq->assoclen, - sg_link_tbl_len, - &edesc->link_tbl[tbl_off])) > 1) { - tbl_off += ret; + if (sg_count == 1) { + to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src) + + areq->assoclen, 0); + } else if ((ret = sg_to_link_tbl_offset(areq->src, sg_count, + areq->assoclen, sg_link_tbl_len, + &edesc->link_tbl[tbl_off])) > + 1) { desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP; to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl + tbl_off * @@ -1138,8 +1147,10 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, dma_sync_single_for_device(dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); - } else - to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src), 0); + tbl_off += ret; + } else { + copy_talitos_ptr(&desc->ptr[4], &edesc->link_tbl[tbl_off], 0); + } /* cipher out */ desc->ptr[5].len = cpu_to_be16(cryptlen); @@ -1151,11 +1162,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, edesc->icv_ool = false; - if (sg_count > 1 && - (sg_count = sg_to_link_tbl_offset(areq->dst, sg_count, + if (sg_count == 1) { + to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst) + + areq->assoclen, 0); + } else if ((sg_count = + sg_to_link_tbl_offset(areq->dst, sg_count, areq->assoclen, cryptlen, - &edesc->link_tbl[tbl_off])) > - 1) { + &edesc->link_tbl[tbl_off])) > 1) { struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off]; to_talitos_ptr(&desc->ptr[5], edesc->dma_link_tbl + @@ -1178,8 +1191,9 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, edesc->dma_len, DMA_BIDIRECTIONAL); edesc->icv_ool = true; - } else - to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0); + } else { + copy_talitos_ptr(&desc->ptr[5], &edesc->link_tbl[tbl_off], 0); + } /* iv out */ map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, @@ -2629,21 +2643,11 @@ struct talitos_crypto_alg { struct talitos_alg_template algt; }; -static int talitos_cra_init(struct crypto_tfm *tfm) +static int talitos_init_common(struct talitos_ctx *ctx, + struct talitos_crypto_alg *talitos_alg) { - struct crypto_alg *alg = tfm->__crt_alg; - struct talitos_crypto_alg *talitos_alg; - struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); struct talitos_private *priv; - if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH) - talitos_alg = container_of(__crypto_ahash_alg(alg), - struct talitos_crypto_alg, - algt.alg.hash); - else - talitos_alg = container_of(alg, struct talitos_crypto_alg, - algt.alg.crypto); - /* update context with ptr to dev */ ctx->dev = talitos_alg->dev; @@ -2661,10 +2665,33 @@ static int talitos_cra_init(struct crypto_tfm *tfm) return 0; } +static int talitos_cra_init(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg = tfm->__crt_alg; + struct talitos_crypto_alg *talitos_alg; + struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); + + if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH) + talitos_alg = container_of(__crypto_ahash_alg(alg), + struct talitos_crypto_alg, + algt.alg.hash); + else + talitos_alg = container_of(alg, struct talitos_crypto_alg, + algt.alg.crypto); + + return talitos_init_common(ctx, talitos_alg); +} + static int talitos_cra_init_aead(struct crypto_aead *tfm) { - talitos_cra_init(crypto_aead_tfm(tfm)); - return 0; + struct aead_alg *alg = crypto_aead_alg(tfm); + struct talitos_crypto_alg *talitos_alg; + struct talitos_ctx *ctx = crypto_aead_ctx(tfm); + + talitos_alg = container_of(alg, struct talitos_crypto_alg, + algt.alg.aead); + + return talitos_init_common(ctx, talitos_alg); } static int talitos_cra_init_ahash(struct crypto_tfm *tfm) diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 01087a38da22..792bdae2b91d 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1866,7 +1866,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val, i7_dev = get_i7core_dev(mce->socketid); if (!i7_dev) - return NOTIFY_BAD; + return NOTIFY_DONE; mci = i7_dev->mci; pvt = mci->pvt_info; diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 468447aff8eb..8bf745d2da7e 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -3168,7 +3168,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val, mci = get_mci_for_node_id(mce->socketid); if (!mci) - return NOTIFY_BAD; + return NOTIFY_DONE; pvt = mci->pvt_info; /* diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 0ac594c0a234..34b741940494 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -202,29 +202,44 @@ static const struct variable_validate variable_validate[] = { { NULL_GUID, "", NULL }, }; +/* + * Check if @var_name matches the pattern given in @match_name. + * + * @var_name: an array of @len non-NUL characters. + * @match_name: a NUL-terminated pattern string, optionally ending in "*". A + * final "*" character matches any trailing characters @var_name, + * including the case when there are none left in @var_name. + * @match: on output, the number of non-wildcard characters in @match_name + * that @var_name matches, regardless of the return value. + * @return: whether @var_name fully matches @match_name. + */ static bool variable_matches(const char *var_name, size_t len, const char *match_name, int *match) { for (*match = 0; ; (*match)++) { char c = match_name[*match]; - char u = var_name[*match]; - /* Wildcard in the matching name means we've matched */ - if (c == '*') + switch (c) { + case '*': + /* Wildcard in @match_name means we've matched. */ return true; - /* Case sensitive match */ - if (!c && *match == len) - return true; + case '\0': + /* @match_name has ended. Has @var_name too? */ + return (*match == len); - if (c != u) + default: + /* + * We've reached a non-wildcard char in @match_name. + * Continue only if there's an identical character in + * @var_name. + */ + if (*match < len && c == var_name[*match]) + continue; return false; - - if (!c) - return true; + } } - return true; } bool diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index 11bfee8b79a9..b5d05807e6ec 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -360,7 +360,7 @@ static struct cpuidle_ops psci_cpuidle_ops __initdata = { .init = psci_dt_cpu_init_idle, }; -CPUIDLE_METHOD_OF_DECLARE(psci, "arm,psci", &psci_cpuidle_ops); +CPUIDLE_METHOD_OF_DECLARE(psci, "psci", &psci_cpuidle_ops); #endif #endif diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index 815c4a5cae54..1b95475b6aef 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -77,7 +77,7 @@ static inline u16 fw_cfg_sel_endianness(u16 key) static inline void fw_cfg_read_blob(u16 key, void *buf, loff_t pos, size_t count) { - u32 glk; + u32 glk = -1U; acpi_status status; /* If we have ACPI, ensure mutual exclusion against any potential diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index d9ab0cd1d205..4d9a315cfd43 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -196,44 +196,6 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) return 0; } -static void gpio_rcar_irq_bus_lock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_get_sync(&p->pdev->dev); -} - -static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - - -static int gpio_rcar_irq_request_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - return 0; -} - -static void gpio_rcar_irq_release_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) { struct gpio_rcar_priv *p = dev_id; @@ -280,32 +242,18 @@ static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip, static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - error = pinctrl_request_gpio(chip->base + offset); - if (error) - pm_runtime_put(&p->pdev->dev); - - return error; + return pinctrl_request_gpio(chip->base + offset); } static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - pinctrl_free_gpio(chip->base + offset); - /* Set the GPIO as an input to ensure that the next GPIO request won't + /* + * Set the GPIO as an input to ensure that the next GPIO request won't * drive the GPIO pin as an output. */ gpio_rcar_config_general_input_output_mode(chip, offset, false); - - pm_runtime_put(&p->pdev->dev); } static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset) @@ -452,6 +400,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) } pm_runtime_enable(dev); + pm_runtime_get_sync(dev); io = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -488,10 +437,6 @@ static int gpio_rcar_probe(struct platform_device *pdev) irq_chip->irq_unmask = gpio_rcar_irq_enable; irq_chip->irq_set_type = gpio_rcar_irq_set_type; irq_chip->irq_set_wake = gpio_rcar_irq_set_wake; - irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock; - irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock; - irq_chip->irq_request_resources = gpio_rcar_irq_request_resources; - irq_chip->irq_release_resources = gpio_rcar_irq_release_resources; irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND; ret = gpiochip_add_data(gpio_chip, p); @@ -522,6 +467,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) err1: gpiochip_remove(gpio_chip); err0: + pm_runtime_put(dev); pm_runtime_disable(dev); return ret; } @@ -532,6 +478,7 @@ static int gpio_rcar_remove(struct platform_device *pdev) gpiochip_remove(&p->gpio_chip); + pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 682070d20f00..2dc52585e3f2 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -977,7 +977,7 @@ bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id) lookup = kmalloc(sizeof(*lookup), GFP_KERNEL); if (lookup) { lookup->adev = adev; - lookup->con_id = con_id; + lookup->con_id = kstrdup(con_id, GFP_KERNEL); list_add_tail(&lookup->node, &acpi_crs_lookup_list); } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index 0020a0ea43ff..35a1248aaa77 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -63,10 +63,6 @@ bool amdgpu_has_atpx(void) { return amdgpu_atpx_priv.atpx_detected; } -bool amdgpu_has_atpx_dgpu_power_cntl(void) { - return amdgpu_atpx_priv.atpx.functions.power_cntl; -} - /** * amdgpu_atpx_call - call an ATPX method * @@ -146,6 +142,13 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas */ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx) { + /* make sure required functions are enabled */ + /* dGPU power control is required */ + if (atpx->functions.power_cntl == false) { + printk("ATPX dGPU power cntl not present, forcing\n"); + atpx->functions.power_cntl = true; + } + if (atpx->functions.px_params) { union acpi_object *info; struct atpx_px_params output; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 612117478b57..2139da773da6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -62,12 +62,6 @@ static const char *amdgpu_asic_name[] = { "LAST", }; -#if defined(CONFIG_VGA_SWITCHEROO) -bool amdgpu_has_atpx_dgpu_power_cntl(void); -#else -static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } -#endif - bool amdgpu_device_is_px(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; @@ -1485,7 +1479,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (amdgpu_runtime_pm == 1) runtime = true; - if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl()) + if (amdgpu_device_is_px(ddev)) runtime = true; vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime); if (runtime) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e557fc1f17c8..7ecea83ce453 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -541,6 +541,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (!metadata_size) { if (bo->metadata_size) { kfree(bo->metadata); + bo->metadata = NULL; bo->metadata_size = 0; } return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 1e0bba29e167..1cd6de575305 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -298,6 +298,10 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) amdgpu_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 05b0353d3880..a4a2e6cc61bb 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -910,7 +910,10 @@ static int gmc_v7_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) + return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + else + return 0; } static int gmc_v7_0_sw_init(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 02deb3229405..7a9db2c72c89 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -870,7 +870,10 @@ static int gmc_v8_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) + return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + else + return 0; } #define mmMC_SEQ_MISC0_FIJI 0xA71 diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index e17fbdaf874b..71ea0521ea96 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1796,6 +1796,11 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) req_payload.start_slot = cur_slots; if (mgr->proposed_vcpis[i]) { port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi); + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) { + mutex_unlock(&mgr->payload_lock); + return -EINVAL; + } req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots; req_payload.vcpi = mgr->proposed_vcpis[i]->vcpi; } else { @@ -1823,6 +1828,9 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) mgr->payloads[i].payload_state = req_payload.payload_state; } cur_slots += req_payload.num_slots; + + if (port) + drm_dp_put_port(port); } for (i = 0; i < mgr->max_payloads; i++) { @@ -2128,6 +2136,8 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr) if (mgr->mst_primary) { int sret; + u8 guid[16]; + sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE); if (sret != DP_RECEIVER_CAP_SIZE) { DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n"); @@ -2142,6 +2152,16 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr) ret = -1; goto out_unlock; } + + /* Some hubs forget their guids after they resume */ + sret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16); + if (sret != 16) { + DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n"); + ret = -1; + goto out_unlock; + } + drm_dp_check_mstb_guid(mgr->mst_primary, guid); + ret = 0; } else ret = -1; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 09198d0b5814..306dde18a94a 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -572,6 +572,24 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } + /* + * Set the GPU linear window to be at the end of the DMA window, where + * the CMA area is likely to reside. This ensures that we are able to + * map the command buffers while having the linear window overlap as + * much RAM as possible, so we can optimize mappings for other buffers. + * + * For 3D cores only do this if MC2.0 is present, as with MC1.0 it leads + * to different views of the memory on the individual engines. + */ + if (!(gpu->identity.features & chipFeatures_PIPE_3D) || + (gpu->identity.minor_features0 & chipMinorFeatures0_MC20)) { + u32 dma_mask = (u32)dma_get_required_mask(gpu->dev); + if (dma_mask < PHYS_OFFSET + SZ_2G) + gpu->memory_base = PHYS_OFFSET; + else + gpu->memory_base = dma_mask - SZ_2G + 1; + } + ret = etnaviv_hw_reset(gpu); if (ret) goto fail; @@ -1566,7 +1584,6 @@ static int etnaviv_gpu_platform_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct etnaviv_gpu *gpu; - u32 dma_mask; int err = 0; gpu = devm_kzalloc(dev, sizeof(*gpu), GFP_KERNEL); @@ -1576,18 +1593,6 @@ static int etnaviv_gpu_platform_probe(struct platform_device *pdev) gpu->dev = &pdev->dev; mutex_init(&gpu->lock); - /* - * Set the GPU linear window to be at the end of the DMA window, where - * the CMA area is likely to reside. This ensures that we are able to - * map the command buffers while having the linear window overlap as - * much RAM as possible, so we can optimize mappings for other buffers. - */ - dma_mask = (u32)dma_get_required_mask(dev); - if (dma_mask < PHYS_OFFSET + SZ_2G) - gpu->memory_base = PHYS_OFFSET; - else - gpu->memory_base = dma_mask - SZ_2G + 1; - /* Map registers: */ gpu->mmio = etnaviv_ioremap(pdev, NULL, dev_name(gpu->dev)); if (IS_ERR(gpu->mmio)) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 30798cbc6fc0..6d2fb3f4ac62 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -792,7 +792,7 @@ static int i915_drm_resume(struct drm_device *dev) static int i915_drm_resume_early(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - int ret = 0; + int ret; /* * We have a resume ordering issue with the snd-hda driver also @@ -803,6 +803,36 @@ static int i915_drm_resume_early(struct drm_device *dev) * FIXME: This should be solved with a special hdmi sink device or * similar so that power domains can be employed. */ + + /* + * Note that we need to set the power state explicitly, since we + * powered off the device during freeze and the PCI core won't power + * it back up for us during thaw. Powering off the device during + * freeze is not a hard requirement though, and during the + * suspend/resume phases the PCI core makes sure we get here with the + * device powered on. So in case we change our freeze logic and keep + * the device powered we can also remove the following set power state + * call. + */ + ret = pci_set_power_state(dev->pdev, PCI_D0); + if (ret) { + DRM_ERROR("failed to set PCI D0 power state (%d)\n", ret); + goto out; + } + + /* + * Note that pci_enable_device() first enables any parent bridge + * device and only then sets the power state for this device. The + * bridge enabling is a nop though, since bridge devices are resumed + * first. The order of enabling power and enabling the device is + * imposed by the PCI core as described above, so here we preserve the + * same order for the freeze/thaw phases. + * + * TODO: eventually we should remove pci_disable_device() / + * pci_enable_enable_device() from suspend/resume. Due to how they + * depend on the device enable refcount we can't anyway depend on them + * disabling/enabling the device. + */ if (pci_enable_device(dev->pdev)) { ret = -EIO; goto out; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f76cbf3e5d1e..fffdac801d3b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2907,7 +2907,14 @@ enum skl_disp_power_wells { #define GEN6_RP_STATE_CAP _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5998) #define BXT_RP_STATE_CAP _MMIO(0x138170) -#define INTERVAL_1_28_US(us) (((us) * 100) >> 7) +/* + * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS + * 8300) freezing up around GPU hangs. Looks as if even + * scheduling/timer interrupts start misbehaving if the RPS + * EI/thresholds are "bad", leading to a very sluggish or even + * frozen machine. + */ +#define INTERVAL_1_28_US(us) roundup(((us) * 100) >> 7, 25) #define INTERVAL_1_33_US(us) (((us) * 3) >> 2) #define INTERVAL_0_833_US(us) (((us) * 6) / 5) #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \ diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 62de9f4bce09..3b57bf06abe8 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -443,9 +443,17 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) } else if (IS_BROADWELL(dev_priv)) { ddi_translations_fdi = bdw_ddi_translations_fdi; ddi_translations_dp = bdw_ddi_translations_dp; - ddi_translations_edp = bdw_ddi_translations_edp; + + if (dev_priv->edp_low_vswing) { + ddi_translations_edp = bdw_ddi_translations_edp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + } else { + ddi_translations_edp = bdw_ddi_translations_dp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); + } + ddi_translations_hdmi = bdw_ddi_translations_hdmi; - n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); hdmi_default_entry = 7; @@ -3201,12 +3209,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, intel_ddi_clock_get(encoder, pipe_config); } -static void intel_ddi_destroy(struct drm_encoder *encoder) -{ - /* HDMI has nothing special to destroy, so we can go with this. */ - intel_dp_encoder_destroy(encoder); -} - static bool intel_ddi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { @@ -3225,7 +3227,8 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder, } static const struct drm_encoder_funcs intel_ddi_funcs = { - .destroy = intel_ddi_destroy, + .reset = intel_dp_encoder_reset, + .destroy = intel_dp_encoder_destroy, }; static struct intel_connector * @@ -3324,6 +3327,7 @@ void intel_ddi_init(struct drm_device *dev, enum port port) intel_encoder->post_disable = intel_ddi_post_disable; intel_encoder->get_hw_state = intel_ddi_get_hw_state; intel_encoder->get_config = intel_ddi_get_config; + intel_encoder->suspend = intel_dp_encoder_suspend; intel_dig_port->port = port; intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 6e0d8283daa6..182f84937345 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13351,6 +13351,9 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, } for_each_crtc_in_state(state, crtc, crtc_state, i) { + if (state->legacy_cursor_update) + continue; + ret = intel_crtc_wait_for_pending_flips(crtc); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f069a82deb57..412a34c39522 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4898,7 +4898,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) kfree(intel_dig_port); } -static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); @@ -4940,7 +4940,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp) edp_panel_vdd_schedule_off(intel_dp); } -static void intel_dp_encoder_reset(struct drm_encoder *encoder) +void intel_dp_encoder_reset(struct drm_encoder *encoder) { struct intel_dp *intel_dp; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4c027d69fac9..7d3af3a72abe 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1238,6 +1238,8 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp, void intel_dp_start_link_train(struct intel_dp *intel_dp); void intel_dp_stop_link_train(struct intel_dp *intel_dp); void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); +void intel_dp_encoder_reset(struct drm_encoder *encoder); +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); void intel_dp_encoder_destroy(struct drm_encoder *encoder); int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc); bool intel_dp_compute_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index a0d8daed2470..1ab6f687f640 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1415,8 +1415,16 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) hdmi_to_dig_port(intel_hdmi)); } - if (!live_status) - DRM_DEBUG_KMS("Live status not up!"); + if (!live_status) { + DRM_DEBUG_KMS("HDMI live status down\n"); + /* + * Live status register is not reliable on all intel platforms. + * So consider live_status only for certain platforms, for + * others, read EDID to determine presence of sink. + */ + if (INTEL_INFO(dev_priv)->gen < 7 || IS_IVYBRIDGE(dev_priv)) + live_status = true; + } intel_hdmi_unset_edid(connector); diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index edd05cdb0cd8..587cae4e73c9 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -310,6 +310,10 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) { radeon_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 76c4bdf21b20..34f7a29d9366 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2608,10 +2608,152 @@ static void evergreen_agp_enable(struct radeon_device *rdev) WREG32(VM_CONTEXT1_CNTL, 0); } +static const unsigned ni_dig_offsets[] = +{ + NI_DIG0_REGISTER_OFFSET, + NI_DIG1_REGISTER_OFFSET, + NI_DIG2_REGISTER_OFFSET, + NI_DIG3_REGISTER_OFFSET, + NI_DIG4_REGISTER_OFFSET, + NI_DIG5_REGISTER_OFFSET +}; + +static const unsigned ni_tx_offsets[] = +{ + NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1 +}; + +static const unsigned evergreen_dp_offsets[] = +{ + EVERGREEN_DP0_REGISTER_OFFSET, + EVERGREEN_DP1_REGISTER_OFFSET, + EVERGREEN_DP2_REGISTER_OFFSET, + EVERGREEN_DP3_REGISTER_OFFSET, + EVERGREEN_DP4_REGISTER_OFFSET, + EVERGREEN_DP5_REGISTER_OFFSET +}; + + +/* + * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc + * We go from crtc to connector and it is not relible since it + * should be an opposite direction .If crtc is enable then + * find the dig_fe which selects this crtc and insure that it enable. + * if such dig_fe is found then find dig_be which selects found dig_be and + * insure that it enable and in DP_SST mode. + * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing + * from dp symbols clocks . + */ +static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev, + unsigned crtc_id, unsigned *ret_dig_fe) +{ + unsigned i; + unsigned dig_fe; + unsigned dig_be; + unsigned dig_en_be; + unsigned uniphy_pll; + unsigned digs_fe_selected; + unsigned dig_be_mode; + unsigned dig_fe_mask; + bool is_enabled = false; + bool found_crtc = false; + + /* loop through all running dig_fe to find selected crtc */ + for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) { + dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]); + if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON && + crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) { + /* found running pipe */ + found_crtc = true; + dig_fe_mask = 1 << i; + dig_fe = i; + break; + } + } + + if (found_crtc) { + /* loop through all running dig_be to find selected dig_fe */ + for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) { + dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]); + /* if dig_fe_selected by dig_be? */ + digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be); + dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be); + if (dig_fe_mask & digs_fe_selected && + /* if dig_be in sst mode? */ + dig_be_mode == NI_DIG_BE_DPSST) { + dig_en_be = RREG32(NI_DIG_BE_EN_CNTL + + ni_dig_offsets[i]); + uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 + + ni_tx_offsets[i]); + /* dig_be enable and tx is running */ + if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE && + dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON && + uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) { + is_enabled = true; + *ret_dig_fe = dig_fe; + break; + } + } + } + } + + return is_enabled; +} + +/* + * Blank dig when in dp sst mode + * Dig ignores crtc timing + */ +static void evergreen_blank_dp_output(struct radeon_device *rdev, + unsigned dig_fe) +{ + unsigned stream_ctrl; + unsigned fifo_ctrl; + unsigned counter = 0; + + if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) { + DRM_ERROR("invalid dig_fe %d\n", dig_fe); + return; + } + + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) { + DRM_ERROR("dig %d , should be enable\n", dig_fe); + return; + } + + stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE; + WREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe], stream_ctrl); + + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) { + msleep(1); + counter++; + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + } + if (counter >= 32 ) + DRM_ERROR("counter exceeds %d\n", counter); + + fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]); + fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET; + WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl); + +} + void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) { u32 crtc_enabled, tmp, frame_count, blackout; int i, j; + unsigned dig_fe; if (!ASIC_IS_NODCE(rdev)) { save->vga_render_control = RREG32(VGA_RENDER_CONTROL); @@ -2651,7 +2793,17 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav break; udelay(1); } - + /*we should disable dig if it drives dp sst*/ + /*but we are in radeon_device_init and the topology is unknown*/ + /*and it is available after radeon_modeset_init*/ + /*the following method radeon_atom_encoder_dpms_dig*/ + /*does the job if we initialize it properly*/ + /*for now we do it this manually*/ + /**/ + if (ASIC_IS_DCE5(rdev) && + evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe)) + evergreen_blank_dp_output(rdev, dig_fe); + /*we could remove 6 lines below*/ /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h index aa939dfed3a3..b436badf9efa 100644 --- a/drivers/gpu/drm/radeon/evergreen_reg.h +++ b/drivers/gpu/drm/radeon/evergreen_reg.h @@ -250,8 +250,43 @@ /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */ #define EVERGREEN_HDMI_BASE 0x7030 +/*DIG block*/ +#define NI_DIG0_REGISTER_OFFSET (0x7000 - 0x7000) +#define NI_DIG1_REGISTER_OFFSET (0x7C00 - 0x7000) +#define NI_DIG2_REGISTER_OFFSET (0x10800 - 0x7000) +#define NI_DIG3_REGISTER_OFFSET (0x11400 - 0x7000) +#define NI_DIG4_REGISTER_OFFSET (0x12000 - 0x7000) +#define NI_DIG5_REGISTER_OFFSET (0x12C00 - 0x7000) + + +#define NI_DIG_FE_CNTL 0x7000 +# define NI_DIG_FE_CNTL_SOURCE_SELECT(x) ((x) & 0x3) +# define NI_DIG_FE_CNTL_SYMCLK_FE_ON (1<<24) + + +#define NI_DIG_BE_CNTL 0x7140 +# define NI_DIG_BE_CNTL_FE_SOURCE_SELECT(x) (((x) >> 8 ) & 0x3F) +# define NI_DIG_FE_CNTL_MODE(x) (((x) >> 16) & 0x7 ) + +#define NI_DIG_BE_EN_CNTL 0x7144 +# define NI_DIG_BE_EN_CNTL_ENABLE (1 << 0) +# define NI_DIG_BE_EN_CNTL_SYMBCLK_ON (1 << 8) +# define NI_DIG_BE_DPSST 0 /* Display Port block */ +#define EVERGREEN_DP0_REGISTER_OFFSET (0x730C - 0x730C) +#define EVERGREEN_DP1_REGISTER_OFFSET (0x7F0C - 0x730C) +#define EVERGREEN_DP2_REGISTER_OFFSET (0x10B0C - 0x730C) +#define EVERGREEN_DP3_REGISTER_OFFSET (0x1170C - 0x730C) +#define EVERGREEN_DP4_REGISTER_OFFSET (0x1230C - 0x730C) +#define EVERGREEN_DP5_REGISTER_OFFSET (0x12F0C - 0x730C) + + +#define EVERGREEN_DP_VID_STREAM_CNTL 0x730C +# define EVERGREEN_DP_VID_STREAM_CNTL_ENABLE (1 << 0) +# define EVERGREEN_DP_VID_STREAM_STATUS (1 <<16) +#define EVERGREEN_DP_STEER_FIFO 0x7310 +# define EVERGREEN_DP_STEER_FIFO_RESET (1 << 0) #define EVERGREEN_DP_SEC_CNTL 0x7280 # define EVERGREEN_DP_SEC_STREAM_ENABLE (1 << 0) # define EVERGREEN_DP_SEC_ASP_ENABLE (1 << 4) @@ -266,4 +301,15 @@ # define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x) (((x) & 0xf) << 24) # define EVERGREEN_DP_SEC_SS_EN (1 << 28) +/*DCIO_UNIPHY block*/ +#define NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1 (0x6600 -0x6600) +#define NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1 (0x6640 -0x6600) +#define NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1 (0x6680 - 0x6600) +#define NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1 (0x66C0 - 0x6600) +#define NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1 (0x6700 - 0x6600) +#define NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1 (0x6740 - 0x6600) + +#define NI_DCIO_UNIPHY0_PLL_CONTROL1 0x6618 +# define NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE (1 << 0) + #endif diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 4cbf26555093..e3daafa1be13 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -230,22 +230,13 @@ EXPORT_SYMBOL(ttm_bo_del_sub_from_lru); void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo) { - struct ttm_bo_device *bdev = bo->bdev; - struct ttm_mem_type_manager *man; + int put_count = 0; lockdep_assert_held(&bo->resv->lock.base); - if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT) { - list_del_init(&bo->swap); - list_del_init(&bo->lru); - - } else { - if (bo->ttm && !(bo->ttm->page_flags & TTM_PAGE_FLAG_SG)) - list_move_tail(&bo->swap, &bo->glob->swap_lru); - - man = &bdev->man[bo->mem.mem_type]; - list_move_tail(&bo->lru, &man->lru); - } + put_count = ttm_bo_del_from_lru(bo); + ttm_bo_list_ref_sub(bo, put_count, true); + ttm_bo_add_to_lru(bo); } EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 4854dac87e24..5fd1fd06effc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -267,11 +267,23 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, return 0; } +static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) +{ + unsigned long flags; + + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (crtc->state->event) + drm_crtc_send_vblank_event(crtc, crtc->state->event); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); +} + static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { .enable = virtio_gpu_crtc_enable, .disable = virtio_gpu_crtc_disable, .mode_set_nofb = virtio_gpu_crtc_mode_set_nofb, .atomic_check = virtio_gpu_crtc_atomic_check, + .atomic_flush = virtio_gpu_crtc_atomic_flush, }; static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 723ba16c6084..1a1a87cbf109 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3293,19 +3293,19 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = { &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET, - &vmw_cmd_ok, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok, + &vmw_cmd_dx_cid_check, true, false, true), + VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid, + VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check, true, false, true), diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 3b1faf7862a5..679a4cb98ee3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -573,9 +573,9 @@ static int vmw_fb_set_par(struct fb_info *info) mode = old_mode; old_mode = NULL; } else if (!vmw_kms_validate_mode_vram(vmw_priv, - mode->hdisplay * - (var->bits_per_pixel + 7) / 8, - mode->vdisplay)) { + mode->hdisplay * + DIV_ROUND_UP(var->bits_per_pixel, 8), + mode->vdisplay)) { drm_mode_destroy(vmw_priv->dev, mode); return -EINVAL; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index e00db3f510dd..abb98c77bad2 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1068,7 +1068,6 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) goto err_register; } - pdev->dev.of_node = of_node; pdev->dev.parent = dev; ret = platform_device_add_data(pdev, ®->pdata, @@ -1079,6 +1078,12 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) platform_device_put(pdev); goto err_register; } + + /* + * Set of_node only after calling platform_device_add. Otherwise + * the platform:imx-ipuv3-crtc modalias won't be used. + */ + pdev->dev.of_node = of_node; } return 0; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index c6eaff5f8845..0238f0169e48 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -259,6 +259,7 @@ #define USB_DEVICE_ID_CORSAIR_K90 0x1b02 #define USB_VENDOR_ID_CREATIVELABS 0x041e +#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c #define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801 #define USB_VENDOR_ID_CVTOUCH 0x1ff7 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index ed2f68edc8f1..53fc856d6867 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -71,6 +71,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL }, diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 02c4efea241c..cf2ba43453fd 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -684,6 +684,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]); + wacom->shared->stylus_in_proximity = true; return 1; } @@ -3395,6 +3396,10 @@ static const struct wacom_features wacom_features_0x33E = { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63, INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16, .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE }; +static const struct wacom_features wacom_features_0x343 = + { "Wacom DTK1651", 34616, 19559, 1023, 0, + DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4, + WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC }; @@ -3560,6 +3565,7 @@ const struct hid_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x33C) }, { USB_DEVICE_WACOM(0x33D) }, { USB_DEVICE_WACOM(0x33E) }, + { USB_DEVICE_WACOM(0x343) }, { USB_DEVICE_WACOM(0x4001) }, { USB_DEVICE_WACOM(0x4004) }, { USB_DEVICE_WACOM(0x5000) }, diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 5613e2b5cff7..a40a73a7b71d 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -103,15 +103,29 @@ static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi) * there is room for the producer to send the pending packet. */ -static bool hv_need_to_signal_on_read(u32 prev_write_sz, - struct hv_ring_buffer_info *rbi) +static bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi) { u32 cur_write_sz; u32 r_size; - u32 write_loc = rbi->ring_buffer->write_index; + u32 write_loc; u32 read_loc = rbi->ring_buffer->read_index; - u32 pending_sz = rbi->ring_buffer->pending_send_sz; + u32 pending_sz; + /* + * Issue a full memory barrier before making the signaling decision. + * Here is the reason for having this barrier: + * If the reading of the pend_sz (in this function) + * were to be reordered and read before we commit the new read + * index (in the calling function) we could + * have a problem. If the host were to set the pending_sz after we + * have sampled pending_sz and go to sleep before we commit the + * read index, we could miss sending the interrupt. Issue a full + * memory barrier to address this. + */ + mb(); + + pending_sz = rbi->ring_buffer->pending_send_sz; + write_loc = rbi->ring_buffer->write_index; /* If the other end is not blocked on write don't bother. */ if (pending_sz == 0) return false; @@ -120,7 +134,7 @@ static bool hv_need_to_signal_on_read(u32 prev_write_sz, cur_write_sz = write_loc >= read_loc ? r_size - (write_loc - read_loc) : read_loc - write_loc; - if ((prev_write_sz < pending_sz) && (cur_write_sz >= pending_sz)) + if (cur_write_sz >= pending_sz) return true; return false; @@ -455,7 +469,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); - *signal = hv_need_to_signal_on_read(bytes_avail_towrite, inring_info); + *signal = hv_need_to_signal_on_read(inring_info); return ret; } diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index faa8e6821fea..0967e1a5b3a2 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -975,10 +975,10 @@ config I2C_XLR config I2C_XLP9XX tristate "XLP9XX I2C support" - depends on CPU_XLP || COMPILE_TEST + depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST help This driver enables support for the on-chip I2C interface of - the Broadcom XLP9xx/XLP5xx MIPS processors. + the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. This driver can also be built as a module. If so, the module will be called i2c-xlp9xx. diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 714bdc837769..b167ab25310a 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -116,8 +116,8 @@ struct cpm_i2c { cbd_t __iomem *rbase; u_char *txbuf[CPM_MAXBD]; u_char *rxbuf[CPM_MAXBD]; - u32 txdma[CPM_MAXBD]; - u32 rxdma[CPM_MAXBD]; + dma_addr_t txdma[CPM_MAXBD]; + dma_addr_t rxdma[CPM_MAXBD]; }; static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id) diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c index b29c7500461a..f54ece8fce78 100644 --- a/drivers/i2c/busses/i2c-exynos5.c +++ b/drivers/i2c/busses/i2c-exynos5.c @@ -671,7 +671,9 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, return -EIO; } - clk_prepare_enable(i2c->clk); + ret = clk_enable(i2c->clk); + if (ret) + return ret; for (i = 0; i < num; i++, msgs++) { stop = (i == num - 1); @@ -695,7 +697,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, } out: - clk_disable_unprepare(i2c->clk); + clk_disable(i2c->clk); return ret; } @@ -747,7 +749,9 @@ static int exynos5_i2c_probe(struct platform_device *pdev) return -ENOENT; } - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return ret; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); i2c->regs = devm_ioremap_resource(&pdev->dev, mem); @@ -799,6 +803,10 @@ static int exynos5_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, i2c); + clk_disable(i2c->clk); + + return 0; + err_clk: clk_disable_unprepare(i2c->clk); return ret; @@ -810,6 +818,8 @@ static int exynos5_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); + clk_unprepare(i2c->clk); + return 0; } @@ -821,6 +831,8 @@ static int exynos5_i2c_suspend_noirq(struct device *dev) i2c->suspended = 1; + clk_unprepare(i2c->clk); + return 0; } @@ -830,7 +842,9 @@ static int exynos5_i2c_resume_noirq(struct device *dev) struct exynos5_i2c *i2c = platform_get_drvdata(pdev); int ret = 0; - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return ret; ret = exynos5_hsi2c_clock_setup(i2c); if (ret) { @@ -839,7 +853,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev) } exynos5_i2c_init(i2c); - clk_disable_unprepare(i2c->clk); + clk_disable(i2c->clk); i2c->suspended = 0; return 0; diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 7ba795b24e75..1c8707710098 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -75,6 +75,7 @@ /* PCI DIDs for the Intel SMBus Message Transport (SMT) Devices */ #define PCI_DEVICE_ID_INTEL_S1200_SMT0 0x0c59 #define PCI_DEVICE_ID_INTEL_S1200_SMT1 0x0c5a +#define PCI_DEVICE_ID_INTEL_DNV_SMT 0x19ac #define PCI_DEVICE_ID_INTEL_AVOTON_SMT 0x1f15 #define ISMT_DESC_ENTRIES 2 /* number of descriptor entries */ @@ -180,6 +181,7 @@ struct ismt_priv { static const struct pci_device_id ismt_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT0) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMT) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMT) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 9096d17beb5b..3dcc5f3f26cb 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -855,6 +855,7 @@ static struct rk3x_i2c_soc_data soc_data[3] = { static const struct of_device_id rk3x_i2c_match[] = { { .compatible = "rockchip,rk3066-i2c", .data = (void *)&soc_data[0] }, { .compatible = "rockchip,rk3188-i2c", .data = (void *)&soc_data[1] }, + { .compatible = "rockchip,rk3228-i2c", .data = (void *)&soc_data[2] }, { .compatible = "rockchip,rk3288-i2c", .data = (void *)&soc_data[2] }, {}, }; diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index dbee13ad33a3..2e154cb51685 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -451,6 +451,8 @@ static int at91_adc_probe(struct platform_device *pdev) if (ret) goto vref_disable; + platform_set_drvdata(pdev, indio_dev); + ret = iio_device_register(indio_dev); if (ret < 0) goto per_clk_disable_unprepare; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index f581256d9d4c..5ee4e0dc093e 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -104,6 +104,19 @@ static int inv_mpu6050_deselect_bypass(struct i2c_adapter *adap, return 0; } +static const char *inv_mpu_match_acpi_device(struct device *dev, int *chip_id) +{ + const struct acpi_device_id *id; + + id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!id) + return NULL; + + *chip_id = (int)id->driver_data; + + return dev_name(dev); +} + /** * inv_mpu_probe() - probe function. * @client: i2c client. @@ -115,14 +128,25 @@ static int inv_mpu_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct inv_mpu6050_state *st; - int result; - const char *name = id ? id->name : NULL; + int result, chip_type; struct regmap *regmap; + const char *name; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) return -EOPNOTSUPP; + if (id) { + chip_type = (int)id->driver_data; + name = id->name; + } else if (ACPI_HANDLE(&client->dev)) { + name = inv_mpu_match_acpi_device(&client->dev, &chip_type); + if (!name) + return -ENODEV; + } else { + return -ENOSYS; + } + regmap = devm_regmap_init_i2c(client, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { dev_err(&client->dev, "Failed to register i2c regmap %d\n", @@ -131,7 +155,7 @@ static int inv_mpu_probe(struct i2c_client *client, } result = inv_mpu_core_probe(regmap, client->irq, name, - NULL, id->driver_data); + NULL, chip_type); if (result < 0) return result; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c index dea6c4361de0..7bcb8d839f05 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c @@ -46,6 +46,7 @@ static int inv_mpu_probe(struct spi_device *spi) struct regmap *regmap; const struct spi_device_id *id = spi_get_device_id(spi); const char *name = id ? id->name : NULL; + const int chip_type = id ? id->driver_data : 0; regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { @@ -55,7 +56,7 @@ static int inv_mpu_probe(struct spi_device *spi) } return inv_mpu_core_probe(regmap, spi->irq, name, - inv_mpu_i2c_disable, id->driver_data); + inv_mpu_i2c_disable, chip_type); } static int inv_mpu_remove(struct spi_device *spi) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 9c5c9ef3f1da..0e931a9a1669 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -462,6 +462,8 @@ static int ak8975_setup_irq(struct ak8975_data *data) int rc; int irq; + init_waitqueue_head(&data->data_ready_queue); + clear_bit(0, &data->flags); if (client->irq) irq = client->irq; else @@ -477,8 +479,6 @@ static int ak8975_setup_irq(struct ak8975_data *data) return rc; } - init_waitqueue_head(&data->data_ready_queue); - clear_bit(0, &data->flags); data->eoc_irq = irq; return rc; @@ -732,7 +732,7 @@ static int ak8975_probe(struct i2c_client *client, int eoc_gpio; int err; const char *name = NULL; - enum asahi_compass_chipset chipset; + enum asahi_compass_chipset chipset = AK_MAX_TYPE; /* Grab and set up the supplied GPIO. */ if (client->dev.platform_data) diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index cb00d59da456..c2e257d97eff 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -691,7 +691,8 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, NULL); /* Coudn't find default GID location */ - WARN_ON(ix < 0); + if (WARN_ON(ix < 0)) + goto release; zattr_type.gid_type = gid_type; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 4a9aa0433b07..7713ef089c3c 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -48,6 +48,7 @@ #include <asm/uaccess.h> +#include <rdma/ib.h> #include <rdma/ib_cm.h> #include <rdma/ib_user_cm.h> #include <rdma/ib_marshall.h> @@ -1103,6 +1104,9 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, struct ib_ucm_cmd_hdr hdr; ssize_t result; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (len < sizeof(hdr)) return -EINVAL; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index dd3bcceadfde..c0f3826abb30 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1574,6 +1574,9 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, struct rdma_ucm_cmd_hdr hdr; ssize_t ret; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (len < sizeof(hdr)) return -EINVAL; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 28ba2cc81535..31f422a70623 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -48,6 +48,8 @@ #include <asm/uaccess.h> +#include <rdma/ib.h> + #include "uverbs.h" MODULE_AUTHOR("Roland Dreier"); @@ -709,6 +711,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, int srcu_key; ssize_t ret; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (count < sizeof hdr) return -EINVAL; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 15b8adbf39c0..b65b3541e732 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1860,6 +1860,7 @@ EXPORT_SYMBOL(ib_drain_rq); void ib_drain_qp(struct ib_qp *qp) { ib_drain_sq(qp); - ib_drain_rq(qp); + if (!qp->srq) + ib_drain_rq(qp); } EXPORT_SYMBOL(ib_drain_qp); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 42a7b8952d13..3234a8be16f6 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1390,6 +1390,8 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.iwcm->add_ref = iwch_qp_add_ref; dev->ibdev.iwcm->rem_ref = iwch_qp_rem_ref; dev->ibdev.iwcm->get_qp = iwch_get_qp; + memcpy(dev->ibdev.iwcm->ifname, dev->rdev.t3cdev_p->lldev->name, + sizeof(dev->ibdev.iwcm->ifname)); ret = ib_register_device(&dev->ibdev, NULL); if (ret) diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index b4eeb783573c..b0b955724458 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -162,7 +162,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq, cq->bar2_va = c4iw_bar2_addrs(rdev, cq->cqid, T4_BAR2_QTYPE_INGRESS, &cq->bar2_qid, user ? &cq->bar2_pa : NULL); - if (user && !cq->bar2_va) { + if (user && !cq->bar2_pa) { pr_warn(MOD "%s: cqid %u not in BAR2 range.\n", pci_name(rdev->lldi.pdev), cq->cqid); ret = -EINVAL; diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 124682dc5709..7574f394fdac 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -580,6 +580,8 @@ int c4iw_register_device(struct c4iw_dev *dev) dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref; dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref; dev->ibdev.iwcm->get_qp = c4iw_get_qp; + memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name, + sizeof(dev->ibdev.iwcm->ifname)); ret = ib_register_device(&dev->ibdev, NULL); if (ret) diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index e17fb5d5e033..e8993e49b8b3 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -185,6 +185,10 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid, if (pbar2_pa) *pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK; + + if (is_t4(rdev->lldi.adapter_type)) + return NULL; + return rdev->bar2_kva + bar2_qoffset; } @@ -270,7 +274,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, /* * User mode must have bar2 access. */ - if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) { + if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) { pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n", pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid); goto free_dma; @@ -1895,13 +1899,27 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, void c4iw_drain_sq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; - wait_for_completion(&qp->sq_drained); + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_sq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); + + if (need_to_wait) + wait_for_completion(&qp->sq_drained); } void c4iw_drain_rq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; + + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_rq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); - wait_for_completion(&qp->rq_drained); + if (need_to_wait) + wait_for_completion(&qp->rq_drained); } diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 5acf346e048e..6ad0489cb3c5 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -530,7 +530,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, sizeof(struct mlx5_wqe_ctrl_seg)) / sizeof(struct mlx5_wqe_data_seg); props->max_sge = min(max_rq_sg, max_sq_sg); - props->max_sge_rd = props->max_sge; + props->max_sge_rd = MLX5_MAX_SGE_RD; props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); @@ -671,8 +671,8 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_core_dev *mdev = dev->mdev; struct mlx5_hca_vport_context *rep; - int max_mtu; - int oper_mtu; + u16 max_mtu; + u16 oper_mtu; int err; u8 ib_link_width_oper; u8 vl_hw_cap; diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 3ea9e055fdd3..92914539edc7 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -500,9 +500,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) * skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); */ - if (!netif_carrier_ok(netdev)) - return NETDEV_TX_OK; - if (netif_queue_stopped(netdev)) return NETDEV_TX_BUSY; diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index e449e394963f..24f4a782e0f4 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -45,6 +45,8 @@ #include <linux/export.h> #include <linux/uio.h> +#include <rdma/ib.h> + #include "qib.h" #include "qib_common.h" #include "qib_user_sdma.h" @@ -2067,6 +2069,9 @@ static ssize_t qib_write(struct file *fp, const char __user *data, ssize_t ret = 0; void *dest; + if (WARN_ON_ONCE(!ib_safe_file_access(fp))) + return -EACCES; + if (count < sizeof(cmd.type)) { ret = -EINVAL; goto bail; diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index bd82a6948dc8..a9e3bcc522c4 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1637,9 +1637,9 @@ bail: spin_unlock_irqrestore(&qp->s_hlock, flags); if (nreq) { if (call_send) - rdi->driver_f.schedule_send_no_lock(qp); - else rdi->driver_f.do_send(qp); + else + rdi->driver_f.schedule_send_no_lock(qp); } return err; } diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 80b6bedc172f..64b3d11dcf1e 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -612,6 +612,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, struct Scsi_Host *shost; struct iser_conn *iser_conn = NULL; struct ib_conn *ib_conn; + u32 max_fr_sectors; u16 max_cmds; shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0); @@ -632,7 +633,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, iser_conn = ep->dd_data; max_cmds = iser_conn->max_cmds; shost->sg_tablesize = iser_conn->scsi_sg_tablesize; - shost->max_sectors = iser_conn->scsi_max_sectors; mutex_lock(&iser_conn->state_mutex); if (iser_conn->state != ISER_CONN_UP) { @@ -657,8 +657,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, */ shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize, ib_conn->device->ib_device->attrs.max_fast_reg_page_list_len); - shost->max_sectors = min_t(unsigned int, - 1024, (shost->sg_tablesize * PAGE_SIZE) >> 9); if (iscsi_host_add(shost, ib_conn->device->ib_device->dma_device)) { @@ -672,6 +670,15 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, goto free_host; } + /* + * FRs or FMRs can only map up to a (device) page per entry, but if the + * first entry is misaligned we'll end up using using two entries + * (head and tail) for a single page worth data, so we have to drop + * one segment from the calculation. + */ + max_fr_sectors = ((shost->sg_tablesize - 1) * PAGE_SIZE) >> 9; + shost->max_sectors = min(iser_max_sectors, max_fr_sectors); + if (cmds_max > max_cmds) { iser_info("cmds_max changed from %u to %u\n", cmds_max, max_cmds); @@ -989,7 +996,6 @@ static struct scsi_host_template iscsi_iser_sht = { .queuecommand = iscsi_queuecommand, .change_queue_depth = scsi_change_queue_depth, .sg_tablesize = ISCSI_ISER_DEF_SG_TABLESIZE, - .max_sectors = ISER_DEF_MAX_SECTORS, .cmd_per_lun = ISER_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index 53e33fab3f7a..df3581f60628 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -181,6 +181,14 @@ static void vibra_play_work(struct work_struct *work) { struct vibra_info *info = container_of(work, struct vibra_info, play_work); + int ret; + + /* Do not allow effect, while the routing is set to use audio */ + ret = twl6040_get_vibralr_status(info->twl6040); + if (ret & TWL6040_VIBSEL) { + dev_info(info->dev, "Vibra is configured for audio\n"); + return; + } mutex_lock(&info->mutex); @@ -199,14 +207,6 @@ static int vibra_play(struct input_dev *input, void *data, struct ff_effect *effect) { struct vibra_info *info = input_get_drvdata(input); - int ret; - - /* Do not allow effect, while the routing is set to use audio */ - ret = twl6040_get_vibralr_status(info->twl6040); - if (ret & TWL6040_VIBSEL) { - dev_info(&input->dev, "Vibra is configured for audio\n"); - return -EBUSY; - } info->weak_speed = effect->u.rumble.weak_magnitude; info->strong_speed = effect->u.rumble.strong_magnitude; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2160512e861a..5af7907d0af4 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1093,6 +1093,19 @@ static int mxt_t6_command(struct mxt_data *data, u16 cmd_offset, return 0; } +static int mxt_acquire_irq(struct mxt_data *data) +{ + int error; + + enable_irq(data->irq); + + error = mxt_process_messages_until_invalid(data); + if (error) + return error; + + return 0; +} + static int mxt_soft_reset(struct mxt_data *data) { struct device *dev = &data->client->dev; @@ -1111,7 +1124,7 @@ static int mxt_soft_reset(struct mxt_data *data) /* Ignore CHG line for 100ms after reset */ msleep(100); - enable_irq(data->irq); + mxt_acquire_irq(data); ret = mxt_wait_for_completion(data, &data->reset_completion, MXT_RESET_TIMEOUT); @@ -1466,19 +1479,6 @@ release_mem: return ret; } -static int mxt_acquire_irq(struct mxt_data *data) -{ - int error; - - enable_irq(data->irq); - - error = mxt_process_messages_until_invalid(data); - if (error) - return error; - - return 0; -} - static int mxt_get_info(struct mxt_data *data) { struct i2c_client *client = data->client; diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 9bbadaaf6bc3..7b3845aa5983 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -370,8 +370,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload) point.coord_x = point.coord_y = 0; } - point.state = payload[9 * i + 5] & 0x03; - point.id = (payload[9 * i + 5] & 0xfc) >> 2; + point.state = payload[9 * i + 5] & 0x0f; + point.id = (payload[9 * i + 5] & 0xf0) >> 4; /* determine touch major, minor and orientation */ point.area_major = max(payload[9 * i + 6], diff --git a/drivers/md/md.c b/drivers/md/md.c index 194580fba7fd..14d3b37944df 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -284,6 +284,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) * go away inside make_request */ sectors = bio_sectors(bio); + /* bio could be mergeable after passing to underlayer */ + bio->bi_rw &= ~REQ_NOMERGE; mddev->pers->make_request(mddev, bio); cpu = part_stat_lock(); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 2ea12c6bf659..34783a3c8b3c 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -70,7 +70,6 @@ static void dump_zones(struct mddev *mddev) (unsigned long long)zone_size>>1); zone_start = conf->strip_zone[j].zone_end; } - printk(KERN_INFO "\n"); } static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) @@ -85,6 +84,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL); unsigned short blksize = 512; + *private_conf = ERR_PTR(-ENOMEM); if (!conf) return -ENOMEM; rdev_for_each(rdev1, mddev) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8ab8b65e1741..e48c262ce032 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3502,8 +3502,6 @@ returnbi: dev = &sh->dev[i]; } else if (test_bit(R5_Discard, &dev->flags)) discard_pending = 1; - WARN_ON(test_bit(R5_SkipCopy, &dev->flags)); - WARN_ON(dev->page != dev->orig_page); } r5l_stripe_write_finished(sh); diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 6e43c95629ea..3cfd7af8c5ca 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -846,11 +846,11 @@ struct media_device *media_device_find_devres(struct device *dev) } EXPORT_SYMBOL_GPL(media_device_find_devres); +#if IS_ENABLED(CONFIG_PCI) void media_device_pci_init(struct media_device *mdev, struct pci_dev *pci_dev, const char *name) { -#ifdef CONFIG_PCI mdev->dev = &pci_dev->dev; if (name) @@ -866,16 +866,16 @@ void media_device_pci_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(media_device_pci_init); +#endif +#if IS_ENABLED(CONFIG_USB) void __media_device_usb_init(struct media_device *mdev, struct usb_device *udev, const char *board_name, const char *driver_name) { -#ifdef CONFIG_USB mdev->dev = &udev->dev; if (driver_name) @@ -895,9 +895,9 @@ void __media_device_usb_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(__media_device_usb_init); +#endif #endif /* CONFIG_MEDIA_CONTROLLER */ diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index feb521f28e14..4f494acd8150 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1446,22 +1446,13 @@ static int fimc_md_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fmd); - /* Protect the media graph while we're registering entities */ - mutex_lock(&fmd->media_dev.graph_mutex); - ret = fimc_md_register_platform_entities(fmd, dev->of_node); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_clk; - } ret = fimc_md_register_sensor_entities(fmd); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_m_ent; - } - - mutex_unlock(&fmd->media_dev.graph_mutex); ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode); if (ret) diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 0b44b9accf50..af237af204e2 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -493,21 +493,17 @@ static int s3c_camif_probe(struct platform_device *pdev) if (ret < 0) goto err_sens; - mutex_lock(&camif->media_dev.graph_mutex); - ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_register_video_nodes(camif); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_create_media_links(camif); if (ret < 0) - goto err_unlock; - - mutex_unlock(&camif->media_dev.graph_mutex); + goto err_sens; ret = media_device_register(&camif->media_dev); if (ret < 0) @@ -516,8 +512,6 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_put(dev); return 0; -err_unlock: - mutex_unlock(&camif->media_dev.graph_mutex); err_sens: v4l2_device_unregister(&camif->v4l2_dev); media_device_unregister(&camif->media_dev); diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 12f5ebbd0436..ad2f3d27b266 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -1452,13 +1452,6 @@ static int usbvision_probe(struct usb_interface *intf, printk(KERN_INFO "%s: %s found\n", __func__, usbvision_device_data[model].model_string); - /* - * this is a security check. - * an exploit using an incorrect bInterfaceNumber is known - */ - if (ifnum >= USB_MAXINTERFACES || !dev->actconfig->interface[ifnum]) - return -ENODEV; - if (usbvision_device_data[model].interface >= 0) interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0]; else if (ifnum < dev->actconfig->desc.bNumInterfaces) diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 5d016f496e0e..9fbcb67a9ee6 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1645,7 +1645,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking) * Will sleep if required for nonblocking == false. */ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb, - int nonblocking) + void *pb, int nonblocking) { unsigned long flags; int ret; @@ -1666,10 +1666,10 @@ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb, /* * Only remove the buffer from done_list if v4l2_buffer can handle all * the planes. - * Verifying planes is NOT necessary since it already has been checked - * before the buffer is queued/prepared. So it can never fail. */ - list_del(&(*vb)->done_entry); + ret = call_bufop(q, verify_planes_array, *vb, pb); + if (!ret) + list_del(&(*vb)->done_entry); spin_unlock_irqrestore(&q->done_lock, flags); return ret; @@ -1748,7 +1748,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb, struct vb2_buffer *vb = NULL; int ret; - ret = __vb2_get_done_vb(q, &vb, nonblocking); + ret = __vb2_get_done_vb(q, &vb, pb, nonblocking); if (ret < 0) return ret; @@ -2298,6 +2298,16 @@ unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file, return POLLERR; /* + * If this quirk is set and QBUF hasn't been called yet then + * return POLLERR as well. This only affects capture queues, output + * queues will always initialize waiting_for_buffers to false. + * This quirk is set by V4L2 for backwards compatibility reasons. + */ + if (q->quirk_poll_must_check_waiting_for_buffers && + q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM))) + return POLLERR; + + /* * For output streams you can call write() as long as there are fewer * buffers queued than there are buffers available. */ diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c index dbec5923fcf0..3c3b517f1d1c 100644 --- a/drivers/media/v4l2-core/videobuf2-memops.c +++ b/drivers/media/v4l2-core/videobuf2-memops.c @@ -49,7 +49,7 @@ struct frame_vector *vb2_create_framevec(unsigned long start, vec = frame_vector_create(nr); if (!vec) return ERR_PTR(-ENOMEM); - ret = get_vaddr_frames(start, nr, write, 1, vec); + ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec); if (ret < 0) goto out_destroy; /* We accept only complete set of PFNs */ diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 91f552124050..7f366f1b0377 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -74,6 +74,11 @@ static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer return 0; } +static int __verify_planes_array_core(struct vb2_buffer *vb, const void *pb) +{ + return __verify_planes_array(vb, pb); +} + /** * __verify_length() - Verify that the bytesused value for each plane fits in * the plane length and that the data offset doesn't exceed the bytesused value. @@ -437,6 +442,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb, } static const struct vb2_buf_ops v4l2_buf_ops = { + .verify_planes_array = __verify_planes_array_core, .fill_user_buffer = __fill_v4l2_buffer, .fill_vb2_buffer = __fill_vb2_buffer, .copy_timestamp = __copy_timestamp, @@ -765,6 +771,12 @@ int vb2_queue_init(struct vb2_queue *q) q->is_output = V4L2_TYPE_IS_OUTPUT(q->type); q->copy_timestamp = (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) == V4L2_BUF_FLAG_TIMESTAMP_COPY; + /* + * For compatibility with vb1: if QBUF hasn't been called yet, then + * return POLLERR as well. This only affects capture queues, output + * queues will always initialize waiting_for_buffers to false. + */ + q->quirk_poll_must_check_waiting_for_buffers = true; return vb2_core_queue_init(q); } @@ -818,14 +830,6 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) poll_wait(file, &fh->wait, wait); } - /* - * For compatibility with vb1: if QBUF hasn't been called yet, then - * return POLLERR as well. This only affects capture queues, output - * queues will always initialize waiting_for_buffers to false. - */ - if (q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM))) - return POLLERR; - return res | vb2_core_poll(q, file, wait); } EXPORT_SYMBOL_GPL(vb2_poll); diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index 10370f280500..7edea9c19199 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -223,6 +223,13 @@ int __detach_context(struct cxl_context *ctx) cxl_ops->link_ok(ctx->afu->adapter, ctx->afu)); flush_work(&ctx->fault_work); /* Only needed for dedicated process */ + /* + * Wait until no further interrupts are presented by the PSL + * for this context. + */ + if (cxl_ops->irq_wait) + cxl_ops->irq_wait(ctx); + /* release the reference to the group leader and mm handling pid */ put_pid(ctx->pid); put_pid(ctx->glpid); diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 38e21cf7806e..73dc2a33da74 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -274,6 +274,7 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0}; #define CXL_PSL_DSISR_An_PE (1ull << (63-4)) /* PSL Error (implementation specific) */ #define CXL_PSL_DSISR_An_AE (1ull << (63-5)) /* AFU Error */ #define CXL_PSL_DSISR_An_OC (1ull << (63-6)) /* OS Context Warning */ +#define CXL_PSL_DSISR_PENDING (CXL_PSL_DSISR_TRANS | CXL_PSL_DSISR_An_PE | CXL_PSL_DSISR_An_AE | CXL_PSL_DSISR_An_OC) /* NOTE: Bits 32:63 are undefined if DSISR[DS] = 1 */ #define CXL_PSL_DSISR_An_M DSISR_NOHPTE /* PTE not found */ #define CXL_PSL_DSISR_An_P DSISR_PROTFAULT /* Storage protection violation */ @@ -855,6 +856,7 @@ struct cxl_backend_ops { u64 dsisr, u64 errstat); irqreturn_t (*psl_interrupt)(int irq, void *data); int (*ack_irq)(struct cxl_context *ctx, u64 tfc, u64 psl_reset_mask); + void (*irq_wait)(struct cxl_context *ctx); int (*attach_process)(struct cxl_context *ctx, bool kernel, u64 wed, u64 amr); int (*detach_process)(struct cxl_context *ctx); diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c index be646dc41a2c..8def4553acba 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -203,7 +203,6 @@ unsigned int cxl_map_irq(struct cxl *adapter, irq_hw_number_t hwirq, void cxl_unmap_irq(unsigned int virq, void *cookie) { free_irq(virq, cookie); - irq_dispose_mapping(virq); } int cxl_register_one_irq(struct cxl *adapter, diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index 387fcbdf9793..ecf7557cd657 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -14,6 +14,7 @@ #include <linux/mutex.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <linux/delay.h> #include <asm/synch.h> #include <misc/cxl-base.h> @@ -797,6 +798,35 @@ static irqreturn_t native_irq_multiplexed(int irq, void *data) return fail_psl_irq(afu, &irq_info); } +void native_irq_wait(struct cxl_context *ctx) +{ + u64 dsisr; + int timeout = 1000; + int ph; + + /* + * Wait until no further interrupts are presented by the PSL + * for this context. + */ + while (timeout--) { + ph = cxl_p2n_read(ctx->afu, CXL_PSL_PEHandle_An) & 0xffff; + if (ph != ctx->pe) + return; + dsisr = cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An); + if ((dsisr & CXL_PSL_DSISR_PENDING) == 0) + return; + /* + * We are waiting for the workqueue to process our + * irq, so need to let that run here. + */ + msleep(1); + } + + dev_warn(&ctx->afu->dev, "WARNING: waiting on DSI for PE %i" + " DSISR %016llx!\n", ph, dsisr); + return; +} + static irqreturn_t native_slice_irq_err(int irq, void *data) { struct cxl_afu *afu = data; @@ -1076,6 +1106,7 @@ const struct cxl_backend_ops cxl_native_ops = { .handle_psl_slice_error = native_handle_psl_slice_error, .psl_interrupt = NULL, .ack_irq = native_ack_irq, + .irq_wait = native_irq_wait, .attach_process = native_attach_process, .detach_process = native_detach_process, .support_attributes = native_support_attributes, diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c index e94c7fb6712a..88e45234d527 100644 --- a/drivers/misc/mic/vop/vop_vringh.c +++ b/drivers/misc/mic/vop/vop_vringh.c @@ -945,6 +945,11 @@ static long vop_ioctl(struct file *f, unsigned int cmd, unsigned long arg) ret = -EFAULT; goto free_ret; } + /* Ensure desc has not changed between the two reads */ + if (memcmp(&dd, dd_config, sizeof(dd))) { + ret = -EINVAL; + goto free_ret; + } mutex_lock(&vdev->vdev_mutex); mutex_lock(&vi->vop_mutex); ret = vop_virtio_add_device(vdev, dd_config); diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 04feea8354cb..e657af0e95fa 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -97,6 +97,7 @@ config MMC_RICOH_MMC config MMC_SDHCI_ACPI tristate "SDHCI support for ACPI enumerated SDHCI controllers" depends on MMC_SDHCI && ACPI + select IOSF_MBI if X86 help This selects support for ACPI enumerated SDHCI controllers, identified by ACPI Compatibility ID PNP0D40 or specific diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 6839e41c6d58..bed6a494f52c 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -41,6 +41,11 @@ #include <linux/mmc/pm.h> #include <linux/mmc/slot-gpio.h> +#ifdef CONFIG_X86 +#include <asm/cpu_device_id.h> +#include <asm/iosf_mbi.h> +#endif + #include "sdhci.h" enum { @@ -116,6 +121,75 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { .ops = &sdhci_acpi_ops_int, }; +#ifdef CONFIG_X86 + +static bool sdhci_acpi_byt(void) +{ + static const struct x86_cpu_id byt[] = { + { X86_VENDOR_INTEL, 6, 0x37 }, + {} + }; + + return x86_match_cpu(byt); +} + +#define BYT_IOSF_SCCEP 0x63 +#define BYT_IOSF_OCP_NETCTRL0 0x1078 +#define BYT_IOSF_OCP_TIMEOUT_BASE GENMASK(10, 8) + +static void sdhci_acpi_byt_setting(struct device *dev) +{ + u32 val = 0; + + if (!sdhci_acpi_byt()) + return; + + if (iosf_mbi_read(BYT_IOSF_SCCEP, MBI_CR_READ, BYT_IOSF_OCP_NETCTRL0, + &val)) { + dev_err(dev, "%s read error\n", __func__); + return; + } + + if (!(val & BYT_IOSF_OCP_TIMEOUT_BASE)) + return; + + val &= ~BYT_IOSF_OCP_TIMEOUT_BASE; + + if (iosf_mbi_write(BYT_IOSF_SCCEP, MBI_CR_WRITE, BYT_IOSF_OCP_NETCTRL0, + val)) { + dev_err(dev, "%s write error\n", __func__); + return; + } + + dev_dbg(dev, "%s completed\n", __func__); +} + +static bool sdhci_acpi_byt_defer(struct device *dev) +{ + if (!sdhci_acpi_byt()) + return false; + + if (!iosf_mbi_available()) + return true; + + sdhci_acpi_byt_setting(dev); + + return false; +} + +#else + +static inline void sdhci_acpi_byt_setting(struct device *dev) +{ +} + +static inline bool sdhci_acpi_byt_defer(struct device *dev) +{ + return false; +} + +#endif + static int bxt_get_cd(struct mmc_host *mmc) { int gpio_cd = mmc_gpio_get_cd(mmc); @@ -322,6 +396,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) if (acpi_bus_get_status(device) || !device->status.present) return -ENODEV; + if (sdhci_acpi_byt_defer(dev)) + return -EPROBE_DEFER; + hid = acpi_device_hid(device); uid = device->pnp.unique_id; @@ -447,6 +524,8 @@ static int sdhci_acpi_resume(struct device *dev) { struct sdhci_acpi_host *c = dev_get_drvdata(dev); + sdhci_acpi_byt_setting(&c->pdev->dev); + return sdhci_resume_host(c->host); } @@ -470,6 +549,8 @@ static int sdhci_acpi_runtime_resume(struct device *dev) { struct sdhci_acpi_host *c = dev_get_drvdata(dev); + sdhci_acpi_byt_setting(&c->pdev->dev); + return sdhci_runtime_resume_host(c->host); } diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 8372a413848c..7fc8b7aa83f0 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1129,6 +1129,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev) MMC_CAP_1_8V_DDR | MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ; + /* TODO MMC DDR is not working on A80 */ + if (of_device_is_compatible(pdev->dev.of_node, + "allwinner,sun9i-a80-mmc")) + mmc->caps &= ~MMC_CAP_1_8V_DDR; + ret = mmc_of_parse(mmc); if (ret) goto error_free_dma; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a24c18eee598..befd67df08e1 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -62,9 +62,8 @@ config DUMMY this device is consigned into oblivion) with a configurable IP address. It is most commonly used in order to make your currently inactive SLIP address seem like a real address for local programs. - If you use SLIP or PPP, you might want to say Y here. Since this - thing often comes in handy, the default is Y. It won't enlarge your - kernel either. What a deal. Read about it in the Network + If you use SLIP or PPP, you might want to say Y here. It won't + enlarge your kernel. What a deal. Read about it in the Network Administrator's Guide, available from <http://www.tldp.org/docs.html#guide>. diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index a2904029cccc..5e572b3510b9 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2181,7 +2181,7 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *bridge) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int i, err; + int i, err = 0; mutex_lock(&ps->smi_mutex); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 12a009d720cd..72eb29ed0359 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -581,12 +581,30 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, struct page *page; dma_addr_t mapping; u16 sw_prod = rxr->rx_sw_agg_prod; + unsigned int offset = 0; - page = alloc_page(gfp); - if (!page) - return -ENOMEM; + if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) { + page = rxr->rx_page; + if (!page) { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + rxr->rx_page = page; + rxr->rx_page_offset = 0; + } + offset = rxr->rx_page_offset; + rxr->rx_page_offset += BNXT_RX_PAGE_SIZE; + if (rxr->rx_page_offset == PAGE_SIZE) + rxr->rx_page = NULL; + else + get_page(page); + } else { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + } - mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE, + mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); if (dma_mapping_error(&pdev->dev, mapping)) { __free_page(page); @@ -601,6 +619,7 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod); rx_agg_buf->page = page; + rx_agg_buf->offset = offset; rx_agg_buf->mapping = mapping; rxbd->rx_bd_haddr = cpu_to_le64(mapping); rxbd->rx_bd_opaque = sw_prod; @@ -642,6 +661,7 @@ static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons, page = cons_rx_buf->page; cons_rx_buf->page = NULL; prod_rx_buf->page = page; + prod_rx_buf->offset = cons_rx_buf->offset; prod_rx_buf->mapping = cons_rx_buf->mapping; @@ -709,7 +729,8 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT; cons_rx_buf = &rxr->rx_agg_ring[cons]; - skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len); + skb_fill_page_desc(skb, i, cons_rx_buf->page, + cons_rx_buf->offset, frag_len); __clear_bit(cons, rxr->rx_agg_bmap); /* It is possible for bnxt_alloc_rx_page() to allocate @@ -740,7 +761,7 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, return NULL; } - dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE, + dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); skb->data_len += frag_len; @@ -1584,13 +1605,17 @@ static void bnxt_free_rx_skbs(struct bnxt *bp) dma_unmap_page(&pdev->dev, dma_unmap_addr(rx_agg_buf, mapping), - PAGE_SIZE, PCI_DMA_FROMDEVICE); + BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); rx_agg_buf->page = NULL; __clear_bit(j, rxr->rx_agg_bmap); __free_page(page); } + if (rxr->rx_page) { + __free_page(rxr->rx_page); + rxr->rx_page = NULL; + } } } @@ -1973,7 +1998,7 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) return 0; - type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) | + type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP; bnxt_init_rxbd_pages(ring, type); @@ -2164,7 +2189,7 @@ void bnxt_set_ring_params(struct bnxt *bp) bp->rx_agg_nr_pages = 0; if (bp->flags & BNXT_FLAG_TPA) - agg_factor = 4; + agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE); bp->flags &= ~BNXT_FLAG_JUMBO; if (rx_space > PAGE_SIZE) { @@ -3020,12 +3045,12 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) /* Number of segs are log2 units, and first packet is not * included as part of this units. */ - if (mss <= PAGE_SIZE) { - n = PAGE_SIZE / mss; + if (mss <= BNXT_RX_PAGE_SIZE) { + n = BNXT_RX_PAGE_SIZE / mss; nsegs = (MAX_SKB_FRAGS - 1) * n; } else { - n = mss / PAGE_SIZE; - if (mss & (PAGE_SIZE - 1)) + n = mss / BNXT_RX_PAGE_SIZE; + if (mss & (BNXT_RX_PAGE_SIZE - 1)) n++; nsegs = (MAX_SKB_FRAGS - n) / n; } @@ -4309,7 +4334,7 @@ static int bnxt_setup_int_mode(struct bnxt *bp) if (bp->flags & BNXT_FLAG_MSIX_CAP) rc = bnxt_setup_msix(bp); - if (!(bp->flags & BNXT_FLAG_USING_MSIX)) { + if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) { /* fallback to INTA */ rc = bnxt_setup_inta(bp); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 709b95b8fcba..8b823ff558ff 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -407,6 +407,15 @@ struct rx_tpa_end_cmp_ext { #define BNXT_PAGE_SIZE (1 << BNXT_PAGE_SHIFT) +/* The RXBD length is 16-bit so we can only support page sizes < 64K */ +#if (PAGE_SHIFT > 15) +#define BNXT_RX_PAGE_SHIFT 15 +#else +#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT +#endif + +#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT) + #define BNXT_MIN_PKT_SIZE 45 #define BNXT_NUM_TESTS(bp) 0 @@ -506,6 +515,7 @@ struct bnxt_sw_rx_bd { struct bnxt_sw_rx_agg_bd { struct page *page; + unsigned int offset; dma_addr_t mapping; }; @@ -586,6 +596,9 @@ struct bnxt_rx_ring_info { unsigned long *rx_agg_bmap; u16 rx_agg_bmap_size; + struct page *rx_page; + unsigned int rx_page_offset; + dma_addr_t rx_desc_mapping[MAX_RX_PAGES]; dma_addr_t rx_agg_desc_mapping[MAX_RX_AGG_PAGES]; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 48a7d7dee846..a63551d0a18a 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -441,7 +441,7 @@ static int macb_mii_init(struct macb *bp) snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", bp->pdev->name, bp->pdev->id); bp->mii_bus->priv = bp; - bp->mii_bus->parent = &bp->dev->dev; + bp->mii_bus->parent = &bp->pdev->dev; pdata = dev_get_platdata(&bp->pdev->dev); dev_set_drvdata(&bp->dev->dev, bp->mii_bus); @@ -458,7 +458,8 @@ static int macb_mii_init(struct macb *bp) struct phy_device *phydev; phydev = mdiobus_scan(bp->mii_bus, i); - if (IS_ERR(phydev)) { + if (IS_ERR(phydev) && + PTR_ERR(phydev) != -ENODEV) { err = PTR_ERR(phydev); break; } @@ -3019,29 +3020,36 @@ static int macb_probe(struct platform_device *pdev) if (err) goto err_out_free_netdev; + err = macb_mii_init(bp); + if (err) + goto err_out_free_netdev; + + phydev = bp->phy_dev; + + netif_carrier_off(dev); + err = register_netdev(dev); if (err) { dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_unregister_netdev; + goto err_out_unregister_mdio; } - err = macb_mii_init(bp); - if (err) - goto err_out_unregister_netdev; - - netif_carrier_off(dev); + phy_attached_info(phydev); netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n", macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID), dev->base_addr, dev->irq, dev->dev_addr); - phydev = bp->phy_dev; - phy_attached_info(phydev); - return 0; -err_out_unregister_netdev: - unregister_netdev(dev); +err_out_unregister_mdio: + phy_disconnect(bp->phy_dev); + mdiobus_unregister(bp->mii_bus); + mdiobus_free(bp->mii_bus); + + /* Shutdown the PHY if there is a GPIO reset */ + if (bp->reset_gpio) + gpiod_set_value(bp->reset_gpio, 0); err_out_free_netdev: free_netdev(dev); diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 60908eab3b3a..43da891fab97 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -576,7 +576,7 @@ static void setup_rss(struct adapter *adap) unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; u8 cpus[SGE_QSETS + 1]; - u16 rspq_map[RSS_TABLE_SIZE]; + u16 rspq_map[RSS_TABLE_SIZE + 1]; for (i = 0; i < SGE_QSETS; ++i) cpus[i] = i; @@ -586,6 +586,7 @@ static void setup_rss(struct adapter *adap) rspq_map[i] = i % nq0; rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; } + rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */ t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 7fc490225da5..a6d26d351dfc 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3354,8 +3354,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Enable per-CPU interrupts on the CPU that is * brought up. */ - smp_call_function_single(cpu, mvneta_percpu_enable, - pp, true); + mvneta_percpu_enable(pp); /* Enable per-CPU interrupt on the one CPU we care * about. @@ -3387,8 +3386,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Disable per-CPU interrupts on the CPU that is * brought down. */ - smp_call_function_single(cpu, mvneta_percpu_disable, - pp, true); + mvneta_percpu_disable(pp); break; case CPU_DEAD: diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 7ace07dad6a3..c442f6ad15ff 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -979,6 +979,8 @@ static int pxa168_init_phy(struct net_device *dev) return 0; pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr); + if (IS_ERR(pep->phy)) + return PTR_ERR(pep->phy); if (!pep->phy) return -ENODEV; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index c0d7b7296236..a386f047c1af 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -405,7 +405,6 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, u32 packets = 0; u32 bytes = 0; int factor = priv->cqe_factor; - u64 timestamp = 0; int done = 0; int budget = priv->tx_work_limit; u32 last_nr_txbb; @@ -445,9 +444,12 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, new_index = be16_to_cpu(cqe->wqe_index) & size_mask; do { + u64 timestamp = 0; + txbbs_skipped += last_nr_txbb; ring_index = (ring_index + last_nr_txbb) & size_mask; - if (ring->tx_info[ring_index].ts_requested) + + if (unlikely(ring->tx_info[ring_index].ts_requested)) timestamp = mlx4_en_get_cqe_ts(cqe); /* free next descriptor */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 1cf722eba607..559d11a443bc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -14,6 +14,7 @@ config MLX5_CORE_EN bool "Mellanox Technologies ConnectX-4 Ethernet support" depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE select PTP_1588_CLOCK + select VXLAN if MLX5_CORE=y default n ---help--- Ethernet support in Mellanox Technologies ConnectX-4 NIC. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 879e6276c473..3881dce0cc30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -567,6 +567,7 @@ struct mlx5e_priv { struct mlx5e_vxlan_db vxlan; struct mlx5e_params params; + struct workqueue_struct *wq; struct work_struct update_carrier_work; struct work_struct set_rx_mode_work; struct delayed_work update_stats_work; @@ -609,7 +610,7 @@ enum mlx5e_link_mode { MLX5E_100GBASE_KR4 = 22, MLX5E_100GBASE_LR4 = 23, MLX5E_100BASE_TX = 24, - MLX5E_100BASE_T = 25, + MLX5E_1000BASE_T = 25, MLX5E_10GBASE_T = 26, MLX5E_25GBASE_CR = 27, MLX5E_25GBASE_KR = 28, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 68834b715f6c..3476ab844634 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -138,10 +138,10 @@ static const struct { [MLX5E_100BASE_TX] = { .speed = 100, }, - [MLX5E_100BASE_T] = { - .supported = SUPPORTED_100baseT_Full, - .advertised = ADVERTISED_100baseT_Full, - .speed = 100, + [MLX5E_1000BASE_T] = { + .supported = SUPPORTED_1000baseT_Full, + .advertised = ADVERTISED_1000baseT_Full, + .speed = 1000, }, [MLX5E_10GBASE_T] = { .supported = SUPPORTED_10000baseT_Full, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index e0adb604f461..d4dfc5ce516a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -262,9 +262,8 @@ static void mlx5e_update_stats_work(struct work_struct *work) mutex_lock(&priv->state_lock); if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { mlx5e_update_stats(priv); - schedule_delayed_work(dwork, - msecs_to_jiffies( - MLX5E_UPDATE_STATS_INTERVAL)); + queue_delayed_work(priv->wq, dwork, + msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); } mutex_unlock(&priv->state_lock); } @@ -280,7 +279,7 @@ static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, switch (event) { case MLX5_DEV_EVENT_PORT_UP: case MLX5_DEV_EVENT_PORT_DOWN: - schedule_work(&priv->update_carrier_work); + queue_work(priv->wq, &priv->update_carrier_work); break; default: @@ -1404,24 +1403,50 @@ static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) return 0; } -static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) { - struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - int hw_mtu; + u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); int err; - err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1); + err = mlx5_set_port_mtu(mdev, hw_mtu, 1); if (err) return err; - mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + /* Update vport context MTU */ + mlx5_modify_nic_vport_mtu(mdev, hw_mtu); + return 0; +} + +static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) +{ + struct mlx5_core_dev *mdev = priv->mdev; + u16 hw_mtu = 0; + int err; - if (MLX5E_HW2SW_MTU(hw_mtu) != netdev->mtu) - netdev_warn(netdev, "%s: Port MTU %d is different than netdev mtu %d\n", - __func__, MLX5E_HW2SW_MTU(hw_mtu), netdev->mtu); + err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); + if (err || !hw_mtu) /* fallback to port oper mtu */ + mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + + *mtu = MLX5E_HW2SW_MTU(hw_mtu); +} + +static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + u16 mtu; + int err; - netdev->mtu = MLX5E_HW2SW_MTU(hw_mtu); + err = mlx5e_set_mtu(priv, netdev->mtu); + if (err) + return err; + + mlx5e_query_mtu(priv, &mtu); + if (mtu != netdev->mtu) + netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", + __func__, mtu, netdev->mtu); + + netdev->mtu = mtu; return 0; } @@ -1479,7 +1504,7 @@ int mlx5e_open_locked(struct net_device *netdev) mlx5e_update_carrier(priv); mlx5e_timestamp_init(priv); - schedule_delayed_work(&priv->update_stats_work, 0); + queue_delayed_work(priv->wq, &priv->update_stats_work, 0); return 0; @@ -1935,7 +1960,7 @@ static void mlx5e_set_rx_mode(struct net_device *dev) { struct mlx5e_priv *priv = netdev_priv(dev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); } static int mlx5e_set_mac(struct net_device *netdev, void *addr) @@ -1950,7 +1975,7 @@ static int mlx5e_set_mac(struct net_device *netdev, void *addr) ether_addr_copy(netdev->dev_addr, saddr->sa_data); netif_addr_unlock_bh(netdev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return 0; } @@ -1999,22 +2024,27 @@ static int mlx5e_set_features(struct net_device *netdev, return err; } +#define MXL5_HW_MIN_MTU 64 +#define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) + static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; bool was_opened; - int max_mtu; + u16 max_mtu; + u16 min_mtu; int err = 0; mlx5_query_port_max_mtu(mdev, &max_mtu, 1); max_mtu = MLX5E_HW2SW_MTU(max_mtu); + min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); - if (new_mtu > max_mtu) { + if (new_mtu > max_mtu || new_mtu < min_mtu) { netdev_err(netdev, - "%s: Bad MTU (%d) > (%d) Max\n", - __func__, new_mtu, max_mtu); + "%s: Bad MTU (%d), valid range is: [%d..%d]\n", + __func__, new_mtu, min_mtu, max_mtu); return -EINVAL; } @@ -2127,7 +2157,7 @@ static void mlx5e_add_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_add_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1); } static void mlx5e_del_vxlan_port(struct net_device *netdev, @@ -2138,7 +2168,7 @@ static void mlx5e_del_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_del_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0); } static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, @@ -2467,10 +2497,14 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) priv = netdev_priv(netdev); + priv->wq = create_singlethread_workqueue("mlx5e"); + if (!priv->wq) + goto err_free_netdev; + err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); if (err) { mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); - goto err_free_netdev; + goto err_destroy_wq; } err = mlx5_core_alloc_pd(mdev, &priv->pdn); @@ -2549,7 +2583,7 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) vxlan_get_rx_port(netdev); mlx5e_enable_async_events(priv); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return priv; @@ -2586,6 +2620,9 @@ err_dealloc_pd: err_unmap_free_uar: mlx5_unmap_free_uar(mdev, &priv->cq_uar); +err_destroy_wq: + destroy_workqueue(priv->wq); + err_free_netdev: free_netdev(netdev); @@ -2599,10 +2636,19 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) set_bit(MLX5E_STATE_DESTROYING, &priv->state); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); mlx5e_disable_async_events(priv); - flush_scheduled_work(); - unregister_netdev(netdev); + flush_workqueue(priv->wq); + if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { + netif_device_detach(netdev); + mutex_lock(&priv->state_lock); + if (test_bit(MLX5E_STATE_OPENED, &priv->state)) + mlx5e_close_locked(netdev); + mutex_unlock(&priv->state_lock); + } else { + unregister_netdev(netdev); + } + mlx5e_tc_cleanup(priv); mlx5e_vxlan_cleanup(priv); mlx5e_destroy_flow_tables(priv); @@ -2615,7 +2661,11 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); mlx5_core_dealloc_pd(priv->mdev, priv->pdn); mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); - free_netdev(netdev); + cancel_delayed_work_sync(&priv->update_stats_work); + destroy_workqueue(priv->wq); + + if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) + free_netdev(netdev); } static void *mlx5e_get_netdev(void *vpriv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 5121be4675d1..89cce97d46c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1065,33 +1065,6 @@ unlock_fg: return rule; } -static struct mlx5_flow_rule *add_rule_to_auto_fg(struct mlx5_flow_table *ft, - u8 match_criteria_enable, - u32 *match_criteria, - u32 *match_value, - u8 action, - u32 flow_tag, - struct mlx5_flow_destination *dest) -{ - struct mlx5_flow_rule *rule; - struct mlx5_flow_group *g; - - g = create_autogroup(ft, match_criteria_enable, match_criteria); - if (IS_ERR(g)) - return (void *)g; - - rule = add_rule_fg(g, match_value, - action, flow_tag, dest); - if (IS_ERR(rule)) { - /* Remove assumes refcount > 0 and autogroup creates a group - * with a refcount = 0. - */ - tree_get_node(&g->node); - tree_remove_node(&g->node); - } - return rule; -} - static struct mlx5_flow_rule * _mlx5_add_flow_rule(struct mlx5_flow_table *ft, u8 match_criteria_enable, @@ -1119,8 +1092,23 @@ _mlx5_add_flow_rule(struct mlx5_flow_table *ft, goto unlock; } - rule = add_rule_to_auto_fg(ft, match_criteria_enable, match_criteria, - match_value, action, flow_tag, dest); + g = create_autogroup(ft, match_criteria_enable, match_criteria); + if (IS_ERR(g)) { + rule = (void *)g; + goto unlock; + } + + rule = add_rule_fg(g, match_value, + action, flow_tag, dest); + if (IS_ERR(rule)) { + /* Remove assumes refcount > 0 and autogroup creates a group + * with a refcount = 0. + */ + unlock_ref_node(&ft->node); + tree_get_node(&g->node); + tree_remove_node(&g->node); + return rule; + } unlock: unlock_ref_node(&ft->node); return rule; @@ -1288,7 +1276,7 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, { struct mlx5_flow_root_namespace *root_ns = dev->priv.root_ns; int prio; - static struct fs_prio *fs_prio; + struct fs_prio *fs_prio; struct mlx5_flow_namespace *ns; if (!root_ns) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 3f3b2fae4991..6892746fd10d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -966,7 +966,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) int err; mutex_lock(&dev->intf_state_mutex); - if (dev->interface_state == MLX5_INTERFACE_STATE_UP) { + if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { dev_warn(&dev->pdev->dev, "%s: interface is up, NOP\n", __func__); goto out; @@ -1133,7 +1133,8 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) if (err) pr_info("failed request module on %s\n", MLX5_IB_MOD); - dev->interface_state = MLX5_INTERFACE_STATE_UP; + clear_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); + set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); out: mutex_unlock(&dev->intf_state_mutex); @@ -1207,7 +1208,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) } mutex_lock(&dev->intf_state_mutex); - if (dev->interface_state == MLX5_INTERFACE_STATE_DOWN) { + if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) { dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n", __func__); goto out; @@ -1241,7 +1242,8 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) mlx5_cmd_cleanup(dev); out: - dev->interface_state = MLX5_INTERFACE_STATE_DOWN; + clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); + set_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); mutex_unlock(&dev->intf_state_mutex); return err; } @@ -1452,6 +1454,18 @@ static const struct pci_error_handlers mlx5_err_handler = { .resume = mlx5_pci_resume }; +static void shutdown(struct pci_dev *pdev) +{ + struct mlx5_core_dev *dev = pci_get_drvdata(pdev); + struct mlx5_priv *priv = &dev->priv; + + dev_info(&pdev->dev, "Shutdown was called\n"); + /* Notify mlx5 clients that the kernel is being shut down */ + set_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &dev->intf_state); + mlx5_unload_one(dev, priv); + mlx5_pci_disable_device(dev); +} + static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ { PCI_VDEVICE(MELLANOX, 0x1012), MLX5_PCI_DEV_IS_VF}, /* Connect-IB VF */ @@ -1459,6 +1473,8 @@ static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x1014), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4 VF */ { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ { PCI_VDEVICE(MELLANOX, 0x1016), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4LX VF */ + { PCI_VDEVICE(MELLANOX, 0x1017) }, /* ConnectX-5 */ + { PCI_VDEVICE(MELLANOX, 0x1018), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 VF */ { 0, } }; @@ -1469,6 +1485,7 @@ static struct pci_driver mlx5_core_driver = { .id_table = mlx5_core_pci_table, .probe = init_one, .remove = remove_one, + .shutdown = shutdown, .err_handler = &mlx5_err_handler, .sriov_configure = mlx5_core_sriov_configure, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index ae378c575deb..53cc1e2c693b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -247,8 +247,8 @@ int mlx5_query_port_admin_status(struct mlx5_core_dev *dev, } EXPORT_SYMBOL_GPL(mlx5_query_port_admin_status); -static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, int *admin_mtu, - int *max_mtu, int *oper_mtu, u8 port) +static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, u16 *admin_mtu, + u16 *max_mtu, u16 *oper_mtu, u8 port) { u32 in[MLX5_ST_SZ_DW(pmtu_reg)]; u32 out[MLX5_ST_SZ_DW(pmtu_reg)]; @@ -268,7 +268,7 @@ static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, int *admin_mtu, *admin_mtu = MLX5_GET(pmtu_reg, out, admin_mtu); } -int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port) +int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port) { u32 in[MLX5_ST_SZ_DW(pmtu_reg)]; u32 out[MLX5_ST_SZ_DW(pmtu_reg)]; @@ -283,14 +283,14 @@ int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port) } EXPORT_SYMBOL_GPL(mlx5_set_port_mtu); -void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu, +void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port) { mlx5_query_port_mtu(dev, NULL, max_mtu, NULL, port); } EXPORT_SYMBOL_GPL(mlx5_query_port_max_mtu); -void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu, +void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu, u8 port) { mlx5_query_port_mtu(dev, NULL, NULL, oper_mtu, port); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c index 8ba080e441a1..5ff8af472bf5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c @@ -269,8 +269,10 @@ EXPORT_SYMBOL(mlx5_alloc_map_uar); void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar) { - iounmap(uar->map); - iounmap(uar->bf_map); + if (uar->map) + iounmap(uar->map); + else + iounmap(uar->bf_map); mlx5_cmd_free_uar(mdev, uar->index); } EXPORT_SYMBOL(mlx5_unmap_free_uar); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c index bd518405859e..b69dadcfb897 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c @@ -196,6 +196,46 @@ int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev, } EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_address); +int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu) +{ + int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out); + u32 *out; + int err; + + out = mlx5_vzalloc(outlen); + if (!out) + return -ENOMEM; + + err = mlx5_query_nic_vport_context(mdev, 0, out, outlen); + if (!err) + *mtu = MLX5_GET(query_nic_vport_context_out, out, + nic_vport_context.mtu); + + kvfree(out); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mtu); + +int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu) +{ + int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in); + void *in; + int err; + + in = mlx5_vzalloc(inlen); + if (!in) + return -ENOMEM; + + MLX5_SET(modify_nic_vport_context_in, in, field_select.mtu, 1); + MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.mtu, mtu); + + err = mlx5_modify_nic_vport_context(mdev, in, inlen); + + kvfree(in); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mtu); + int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev, u32 vport, enum mlx5_list_type list_type, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c index 9f10df25f3cd..f2fd1ef16da7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c @@ -95,21 +95,22 @@ struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port) return vxlan; } -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_add_port(struct work_struct *work) { + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan; + u16 port = vxlan_work->port; struct mlx5e_vxlan *vxlan; int err; - err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port); - if (err) - return err; + if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port)) + goto free_work; vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL); - if (!vxlan) { - err = -ENOMEM; + if (!vxlan) goto err_delete_port; - } vxlan->udp_port = port; @@ -119,13 +120,14 @@ int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) if (err) goto err_free; - return 0; + goto free_work; err_free: kfree(vxlan); err_delete_port: mlx5e_vxlan_core_del_port_cmd(priv->mdev, port); - return err; +free_work: + kfree(vxlan_work); } static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) @@ -145,12 +147,36 @@ static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) kfree(vxlan); } -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_del_port(struct work_struct *work) { - if (!mlx5e_vxlan_lookup_port(priv, port)) - return; + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; + u16 port = vxlan_work->port; __mlx5e_vxlan_core_del_port(priv, port); + + kfree(vxlan_work); +} + +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add) +{ + struct mlx5e_vxlan_work *vxlan_work; + + vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC); + if (!vxlan_work) + return; + + if (add) + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port); + else + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port); + + vxlan_work->priv = priv; + vxlan_work->port = port; + vxlan_work->sa_family = sa_family; + queue_work(priv->wq, &vxlan_work->work); } void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h index a01685056ab1..129f3527aa14 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h @@ -39,6 +39,13 @@ struct mlx5e_vxlan { u16 udp_port; }; +struct mlx5e_vxlan_work { + struct work_struct work; + struct mlx5e_priv *priv; + sa_family_t sa_family; + u16 port; +}; + static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) { return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) && @@ -46,8 +53,8 @@ static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) } void mlx5e_vxlan_init(struct mlx5e_priv *priv); -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port); -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port); +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add); struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port); void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 270c9eeb7ab6..6d1a956e3f77 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -2668,9 +2668,9 @@ static int myri10ge_close(struct net_device *dev) del_timer_sync(&mgp->watchdog_timer); mgp->running = MYRI10GE_ETH_STOPPING; - local_bh_disable(); /* myri10ge_ss_lock_napi needs bh disabled */ for (i = 0; i < mgp->num_slices; i++) { napi_disable(&mgp->ss[i].napi); + local_bh_disable(); /* myri10ge_ss_lock_napi needs this */ /* Lock the slice to prevent the busy_poll handler from * accessing it. Later when we bring the NIC up, myri10ge_open * resets the slice including this lock. @@ -2679,8 +2679,8 @@ static int myri10ge_close(struct net_device *dev) pr_info("Slice %d locked\n", i); mdelay(1); } + local_bh_enable(); } - local_bh_enable(); netif_carrier_off(dev); netif_tx_stop_all_queues(dev); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 55007f1e6bbc..caf6ddb7ea76 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -37,8 +37,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_LINUX_MINOR 3 -#define _QLCNIC_LINUX_SUBVERSION 63 -#define QLCNIC_LINUX_VERSIONID "5.3.63" +#define _QLCNIC_LINUX_SUBVERSION 64 +#define QLCNIC_LINUX_VERSIONID "5.3.64" #define QLCNIC_DRV_IDC_VER 0x01 #define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 98d33d462c6c..1681084cc96f 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1920,6 +1920,10 @@ static int efx_ef10_alloc_rss_context(struct efx_nic *efx, u32 *context, return 0; } + if (nic_data->datapath_caps & + 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN) + return -EOPNOTSUPP; + MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type); @@ -2923,9 +2927,16 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, bool replacing) { struct efx_ef10_nic_data *nic_data = efx->nic_data; + u32 flags = spec->flags; memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN); + /* Remove RSS flag if we don't have an RSS context. */ + if (flags & EFX_FILTER_FLAG_RX_RSS && + spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT && + nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID) + flags &= ~EFX_FILTER_FLAG_RX_RSS; + if (replacing) { MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, MC_CMD_FILTER_OP_IN_OP_REPLACE); @@ -2985,10 +2996,10 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? 0 : spec->dmaq_id); MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE, - (spec->flags & EFX_FILTER_FLAG_RX_RSS) ? + (flags & EFX_FILTER_FLAG_RX_RSS) ? MC_CMD_FILTER_OP_IN_RX_MODE_RSS : MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE); - if (spec->flags & EFX_FILTER_FLAG_RX_RSS) + if (flags & EFX_FILTER_FLAG_RX_RSS) MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT, spec->rss_context != EFX_FILTER_RSS_CONTEXT_DEFAULT ? diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index 44022b1845ce..afb90d129cb6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -49,7 +49,6 @@ struct socfpga_dwmac { u32 reg_shift; struct device *dev; struct regmap *sys_mgr_base_addr; - struct reset_control *stmmac_rst; void __iomem *splitter_base; bool f2h_ptp_ref_clk; }; @@ -92,15 +91,6 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * struct device_node *np_splitter; struct resource res_splitter; - dwmac->stmmac_rst = devm_reset_control_get(dev, - STMMAC_RESOURCE_NAME); - if (IS_ERR(dwmac->stmmac_rst)) { - dev_info(dev, "Could not get reset control!\n"); - if (PTR_ERR(dwmac->stmmac_rst) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dwmac->stmmac_rst = NULL; - } - dwmac->interface = of_get_phy_mode(np); sys_mgr_base_addr = syscon_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon"); @@ -194,30 +184,23 @@ static int socfpga_dwmac_setup(struct socfpga_dwmac *dwmac) return 0; } -static void socfpga_dwmac_exit(struct platform_device *pdev, void *priv) -{ - struct socfpga_dwmac *dwmac = priv; - - /* On socfpga platform exit, assert and hold reset to the - * enet controller - the default state after a hard reset. - */ - if (dwmac->stmmac_rst) - reset_control_assert(dwmac->stmmac_rst); -} - static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) { - struct socfpga_dwmac *dwmac = priv; + struct socfpga_dwmac *dwmac = priv; struct net_device *ndev = platform_get_drvdata(pdev); struct stmmac_priv *stpriv = NULL; int ret = 0; - if (ndev) - stpriv = netdev_priv(ndev); + if (!ndev) + return -EINVAL; + + stpriv = netdev_priv(ndev); + if (!stpriv) + return -EINVAL; /* Assert reset to the enet controller before changing the phy mode */ - if (dwmac->stmmac_rst) - reset_control_assert(dwmac->stmmac_rst); + if (stpriv->stmmac_rst) + reset_control_assert(stpriv->stmmac_rst); /* Setup the phy mode in the system manager registers according to * devicetree configuration @@ -227,8 +210,8 @@ static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) /* Deassert reset for the phy configuration to be sampled by * the enet controller, and operation to start in requested mode */ - if (dwmac->stmmac_rst) - reset_control_deassert(dwmac->stmmac_rst); + if (stpriv->stmmac_rst) + reset_control_deassert(stpriv->stmmac_rst); /* Before the enet controller is suspended, the phy is suspended. * This causes the phy clock to be gated. The enet controller is @@ -245,7 +228,7 @@ static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) * control register 0, and can be modified by the phy driver * framework. */ - if (stpriv && stpriv->phydev) + if (stpriv->phydev) phy_resume(stpriv->phydev); return ret; @@ -285,14 +268,13 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) plat_dat->bsp_priv = dwmac; plat_dat->init = socfpga_dwmac_init; - plat_dat->exit = socfpga_dwmac_exit; plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed; - ret = socfpga_dwmac_init(pdev, plat_dat->bsp_priv); - if (ret) - return ret; + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (!ret) + ret = socfpga_dwmac_init(pdev, dwmac); - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + return ret; } static const struct of_device_id socfpga_dwmac_match[] = { diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index bbb77cd8ad67..e2fcdf1eec44 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -367,7 +367,6 @@ struct cpsw_priv { spinlock_t lock; struct platform_device *pdev; struct net_device *ndev; - struct device_node *phy_node; struct napi_struct napi_rx; struct napi_struct napi_tx; struct device *dev; @@ -1148,25 +1147,34 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); - if (priv->phy_node) - slave->phy = of_phy_connect(priv->ndev, priv->phy_node, + if (slave->data->phy_node) { + slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node, &cpsw_adjust_link, 0, slave->data->phy_if); - else + if (!slave->phy) { + dev_err(priv->dev, "phy \"%s\" not found on slave %d\n", + slave->data->phy_node->full_name, + slave->slave_num); + return; + } + } else { slave->phy = phy_connect(priv->ndev, slave->data->phy_id, &cpsw_adjust_link, slave->data->phy_if); - if (IS_ERR(slave->phy)) { - dev_err(priv->dev, "phy %s not found on slave %d\n", - slave->data->phy_id, slave->slave_num); - slave->phy = NULL; - } else { - phy_attached_info(slave->phy); + if (IS_ERR(slave->phy)) { + dev_err(priv->dev, + "phy \"%s\" not found on slave %d, err %ld\n", + slave->data->phy_id, slave->slave_num, + PTR_ERR(slave->phy)); + slave->phy = NULL; + return; + } + } - phy_start(slave->phy); + phy_attached_info(slave->phy); - /* Configure GMII_SEL register */ - cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, - slave->slave_num); - } + phy_start(slave->phy); + + /* Configure GMII_SEL register */ + cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num); } static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) @@ -1940,12 +1948,11 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, slave->port_vlan = data->dual_emac_res_vlan; } -static int cpsw_probe_dt(struct cpsw_priv *priv, +static int cpsw_probe_dt(struct cpsw_platform_data *data, struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; struct device_node *slave_node; - struct cpsw_platform_data *data = &priv->data; int i = 0, ret; u32 prop; @@ -2033,25 +2040,21 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, if (strcmp(slave_node->name, "slave")) continue; - priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + slave_data->phy_node = of_parse_phandle(slave_node, + "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); - if (of_phy_is_fixed_link(slave_node)) { - struct device_node *phy_node; - struct phy_device *phy_dev; - + if (slave_data->phy_node) { + dev_dbg(&pdev->dev, + "slave[%d] using phy-handle=\"%s\"\n", + i, slave_data->phy_node->full_name); + } else if (of_phy_is_fixed_link(slave_node)) { /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ ret = of_phy_register_fixed_link(slave_node); if (ret) return ret; - phy_node = of_node_get(slave_node); - phy_dev = of_phy_find_device(phy_node); - if (!phy_dev) - return -ENODEV; - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, phy_dev->mdio.bus->id, - phy_dev->mdio.addr); + slave_data->phy_node = of_node_get(slave_node); } else if (parp) { u32 phyid; struct device_node *mdio_node; @@ -2072,7 +2075,9 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); } else { - dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); + dev_err(&pdev->dev, + "No slave[%d] phy_id, phy-handle, or fixed-link property\n", + i); goto no_phy_slave; } slave_data->phy_if = of_get_phy_mode(slave_node); @@ -2275,7 +2280,7 @@ static int cpsw_probe(struct platform_device *pdev) /* Select default pin state */ pinctrl_pm_select_default_state(&pdev->dev); - if (cpsw_probe_dt(priv, pdev)) { + if (cpsw_probe_dt(&priv->data, pdev)) { dev_err(&pdev->dev, "cpsw: platform data missing\n"); ret = -ENODEV; goto clean_runtime_disable_ret; diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h index 442a7038e660..e50afd1b2eda 100644 --- a/drivers/net/ethernet/ti/cpsw.h +++ b/drivers/net/ethernet/ti/cpsw.h @@ -18,6 +18,7 @@ #include <linux/phy.h> struct cpsw_slave_data { + struct device_node *phy_node; char phy_id[MII_BUS_ID_SIZE]; int phy_if; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 58d58f002559..f56d66e6ec15 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1512,7 +1512,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd) /* TODO: Add phy read and write and private statistics get feature */ - return phy_mii_ioctl(priv->phydev, ifrq, cmd); + if (priv->phydev) + return phy_mii_ioctl(priv->phydev, ifrq, cmd); + else + return -EOPNOTSUPP; } static int match_first_device(struct device *dev, void *data) diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index 13214a6492ac..743b18266a7c 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1622,7 +1622,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) continue; /* copy hw scan info */ - memcpy(target->hwinfo, scan_info, scan_info->size); + memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size)); target->essid_len = strnlen(scan_info->essid, sizeof(scan_info->essid)); target->rate_len = 0; diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 84d3e5ca8817..c6385617bfb2 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -880,12 +880,12 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, macsec_skb_cb(skb)->valid = false; skb = skb_share_check(skb, GFP_ATOMIC); if (!skb) - return NULL; + return ERR_PTR(-ENOMEM); req = aead_request_alloc(rx_sa->key.tfm, GFP_ATOMIC); if (!req) { kfree_skb(skb); - return NULL; + return ERR_PTR(-ENOMEM); } hdr = (struct macsec_eth_header *)skb->data; @@ -905,7 +905,7 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, skb = skb_unshare(skb, GFP_ATOMIC); if (!skb) { aead_request_free(req); - return NULL; + return ERR_PTR(-ENOMEM); } } else { /* integrity only: all headers + data authenticated */ @@ -921,14 +921,14 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, dev_hold(dev); ret = crypto_aead_decrypt(req); if (ret == -EINPROGRESS) { - return NULL; + return ERR_PTR(ret); } else if (ret != 0) { /* decryption/authentication failed * 10.6 if validateFrames is disabled, deliver anyway */ if (ret != -EBADMSG) { kfree_skb(skb); - skb = NULL; + skb = ERR_PTR(ret); } } else { macsec_skb_cb(skb)->valid = true; @@ -1146,8 +1146,10 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) secy->validate_frames != MACSEC_VALIDATE_DISABLED) skb = macsec_decrypt(skb, dev, rx_sa, sci, secy); - if (!skb) { - macsec_rxsa_put(rx_sa); + if (IS_ERR(skb)) { + /* the decrypt callback needs the reference */ + if (PTR_ERR(skb) != -EINPROGRESS) + macsec_rxsa_put(rx_sa); rcu_read_unlock(); *pskb = NULL; return RX_HANDLER_CONSUMED; @@ -1161,7 +1163,8 @@ deliver: macsec_extra_len(macsec_skb_cb(skb)->has_sci)); macsec_reset_skb(skb, secy->netdev); - macsec_rxsa_put(rx_sa); + if (rx_sa) + macsec_rxsa_put(rx_sa); count_rx(dev, skb->len); rcu_read_unlock(); @@ -1622,8 +1625,9 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info) } rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL); - if (init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), secy->key_len, - secy->icv_len)) { + if (!rx_sa || init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), + secy->key_len, secy->icv_len)) { + kfree(rx_sa); rtnl_unlock(); return -ENOMEM; } @@ -1768,6 +1772,7 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info) tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL); if (!tx_sa || init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), secy->key_len, secy->icv_len)) { + kfree(tx_sa); rtnl_unlock(); return -ENOMEM; } @@ -2227,7 +2232,8 @@ static int nla_put_secy(struct macsec_secy *secy, struct sk_buff *skb) return 1; if (nla_put_sci(skb, MACSEC_SECY_ATTR_SCI, secy->sci) || - nla_put_u64(skb, MACSEC_SECY_ATTR_CIPHER_SUITE, DEFAULT_CIPHER_ID) || + nla_put_u64(skb, MACSEC_SECY_ATTR_CIPHER_SUITE, + MACSEC_DEFAULT_CIPHER_ID) || nla_put_u8(skb, MACSEC_SECY_ATTR_ICV_LEN, secy->icv_len) || nla_put_u8(skb, MACSEC_SECY_ATTR_OPER, secy->operational) || nla_put_u8(skb, MACSEC_SECY_ATTR_PROTECT, secy->protect_frames) || @@ -2268,7 +2274,7 @@ static int dump_secy(struct macsec_secy *secy, struct net_device *dev, if (!hdr) return -EMSGSIZE; - rtnl_lock(); + genl_dump_check_consistent(cb, hdr, &macsec_fam); if (nla_put_u32(skb, MACSEC_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; @@ -2429,18 +2435,17 @@ static int dump_secy(struct macsec_secy *secy, struct net_device *dev, nla_nest_end(skb, rxsc_list); - rtnl_unlock(); - genlmsg_end(skb, hdr); return 0; nla_put_failure: - rtnl_unlock(); genlmsg_cancel(skb, hdr); return -EMSGSIZE; } +static int macsec_generation = 1; /* protected by RTNL */ + static int macsec_dump_txsc(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); @@ -2450,6 +2455,10 @@ static int macsec_dump_txsc(struct sk_buff *skb, struct netlink_callback *cb) dev_idx = cb->args[0]; d = 0; + rtnl_lock(); + + cb->seq = macsec_generation; + for_each_netdev(net, dev) { struct macsec_secy *secy; @@ -2467,6 +2476,7 @@ next: } done: + rtnl_unlock(); cb->args[0] = d; return skb->len; } @@ -2920,10 +2930,14 @@ static void macsec_dellink(struct net_device *dev, struct list_head *head) struct net_device *real_dev = macsec->real_dev; struct macsec_rxh_data *rxd = macsec_data_rtnl(real_dev); + macsec_generation++; + unregister_netdevice_queue(dev, head); list_del_rcu(&macsec->secys); - if (list_empty(&rxd->secys)) + if (list_empty(&rxd->secys)) { netdev_rx_handler_unregister(real_dev); + kfree(rxd); + } macsec_del_dev(macsec); } @@ -2945,8 +2959,10 @@ static int register_macsec_dev(struct net_device *real_dev, err = netdev_rx_handler_register(real_dev, macsec_handle_frame, rxd); - if (err < 0) + if (err < 0) { + kfree(rxd); return err; + } } list_add_tail_rcu(&macsec->secys, &rxd->secys); @@ -3066,6 +3082,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev, if (err < 0) goto del_dev; + macsec_generation++; + dev_hold(real_dev); return 0; @@ -3079,7 +3097,7 @@ unregister: static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) { - u64 csid = DEFAULT_CIPHER_ID; + u64 csid = MACSEC_DEFAULT_CIPHER_ID; u8 icv_len = DEFAULT_ICV_LEN; int flag; bool es, scb, sci; @@ -3094,8 +3112,8 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]); switch (csid) { - case DEFAULT_CIPHER_ID: - case DEFAULT_CIPHER_ALT: + case MACSEC_DEFAULT_CIPHER_ID: + case MACSEC_DEFAULT_CIPHER_ALT: if (icv_len < MACSEC_MIN_ICV_LEN || icv_len > MACSEC_MAX_ICV_LEN) return -EINVAL; @@ -3129,8 +3147,8 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) nla_get_u8(data[IFLA_MACSEC_VALIDATION]) > MACSEC_VALIDATE_MAX) return -EINVAL; - if ((data[IFLA_MACSEC_PROTECT] && - nla_get_u8(data[IFLA_MACSEC_PROTECT])) && + if ((data[IFLA_MACSEC_REPLAY_PROTECT] && + nla_get_u8(data[IFLA_MACSEC_REPLAY_PROTECT])) && !data[IFLA_MACSEC_WINDOW]) return -EINVAL; @@ -3168,7 +3186,8 @@ static int macsec_fill_info(struct sk_buff *skb, if (nla_put_sci(skb, IFLA_MACSEC_SCI, secy->sci) || nla_put_u8(skb, IFLA_MACSEC_ICV_LEN, secy->icv_len) || - nla_put_u64(skb, IFLA_MACSEC_CIPHER_SUITE, DEFAULT_CIPHER_ID) || + nla_put_u64(skb, IFLA_MACSEC_CIPHER_SUITE, + MACSEC_DEFAULT_CIPHER_ID) || nla_put_u8(skb, IFLA_MACSEC_ENCODING_SA, tx_sc->encoding_sa) || nla_put_u8(skb, IFLA_MACSEC_ENCRYPT, tx_sc->encrypt) || nla_put_u8(skb, IFLA_MACSEC_PROTECT, secy->protect_frames) || diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index b3ffaee30858..f279a897a5c7 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -359,27 +359,25 @@ static void at803x_link_change_notify(struct phy_device *phydev) * in the FIFO. In such cases, the FIFO enters an error mode it * cannot recover from by software. */ - if (phydev->drv->phy_id == ATH8030_PHY_ID) { - if (phydev->state == PHY_NOLINK) { - if (priv->gpiod_reset && !priv->phy_reset) { - struct at803x_context context; - - at803x_context_save(phydev, &context); - - gpiod_set_value(priv->gpiod_reset, 1); - msleep(1); - gpiod_set_value(priv->gpiod_reset, 0); - msleep(1); - - at803x_context_restore(phydev, &context); - - phydev_dbg(phydev, "%s(): phy was reset\n", - __func__); - priv->phy_reset = true; - } - } else { - priv->phy_reset = false; + if (phydev->state == PHY_NOLINK) { + if (priv->gpiod_reset && !priv->phy_reset) { + struct at803x_context context; + + at803x_context_save(phydev, &context); + + gpiod_set_value(priv->gpiod_reset, 1); + msleep(1); + gpiod_set_value(priv->gpiod_reset, 0); + msleep(1); + + at803x_context_restore(phydev, &context); + + phydev_dbg(phydev, "%s(): phy was reset\n", + __func__); + priv->phy_reset = true; } + } else { + priv->phy_reset = false; } } @@ -391,7 +389,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, @@ -427,7 +424,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index f20890ee03f3..f64778ad9753 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -269,6 +269,7 @@ struct skb_data { /* skb->cb is one of these */ struct lan78xx_net *dev; enum skb_state state; size_t length; + int num_of_packet; }; struct usb_context { @@ -1803,7 +1804,34 @@ static void lan78xx_remove_mdio(struct lan78xx_net *dev) static void lan78xx_link_status_change(struct net_device *net) { - /* nothing to do */ + struct phy_device *phydev = net->phydev; + int ret, temp; + + /* At forced 100 F/H mode, chip may fail to set mode correctly + * when cable is switched between long(~50+m) and short one. + * As workaround, set to 10 before setting to 100 + * at forced 100 F/H mode. + */ + if (!phydev->autoneg && (phydev->speed == 100)) { + /* disable phy interrupt */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + + temp = phy_read(phydev, MII_BMCR); + temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000); + phy_write(phydev, MII_BMCR, temp); /* set to 10 first */ + temp |= BMCR_SPEED100; + phy_write(phydev, MII_BMCR, temp); /* set to 100 later */ + + /* clear pending interrupt generated while workaround */ + temp = phy_read(phydev, LAN88XX_INT_STS); + + /* enable phy interrupt back */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp |= LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + } } static int lan78xx_phy_init(struct lan78xx_net *dev) @@ -2464,7 +2492,7 @@ static void tx_complete(struct urb *urb) struct lan78xx_net *dev = entry->dev; if (urb->status == 0) { - dev->net->stats.tx_packets++; + dev->net->stats.tx_packets += entry->num_of_packet; dev->net->stats.tx_bytes += entry->length; } else { dev->net->stats.tx_errors++; @@ -2681,10 +2709,11 @@ void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb) return; } - skb->protocol = eth_type_trans(skb, dev->net); dev->net->stats.rx_packets++; dev->net->stats.rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, dev->net); + netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", skb->len + sizeof(struct ethhdr), skb->protocol); memset(skb->cb, 0, sizeof(struct skb_data)); @@ -2934,13 +2963,16 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) skb_totallen = 0; pkt_cnt = 0; + count = 0; + length = 0; for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) { if (skb_is_gso(skb)) { if (pkt_cnt) { /* handle previous packets first */ break; } - length = skb->len; + count = 1; + length = skb->len - TX_OVERHEAD; skb2 = skb_dequeue(tqp); goto gso_skb; } @@ -2961,14 +2993,13 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) for (count = pos = 0; count < pkt_cnt; count++) { skb2 = skb_dequeue(tqp); if (skb2) { + length += (skb2->len - TX_OVERHEAD); memcpy(skb->data + pos, skb2->data, skb2->len); pos += roundup(skb2->len, sizeof(u32)); dev_kfree_skb(skb2); } } - length = skb_totallen; - gso_skb: urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) { @@ -2980,6 +3011,7 @@ gso_skb: entry->urb = urb; entry->dev = dev; entry->length = length; + entry->num_of_packet = count; spin_lock_irqsave(&dev->txq.lock, flags); ret = usb_autopm_get_interface_async(dev->intf); diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index f84080215915..82129eef7774 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -411,7 +411,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) int ret; read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); - data[0] = 0xc9; + data[0] = 0xc8; /* TX & RX enable, append status, no CRC */ data[1] = 0; if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) data[1] |= 0x20; /* set full duplex */ @@ -497,7 +497,7 @@ static void read_bulk_callback(struct urb *urb) pkt_len = buf[count - 3] << 8; pkt_len += buf[count - 4]; pkt_len &= 0xfff; - pkt_len -= 8; + pkt_len -= 4; } /* @@ -528,7 +528,7 @@ static void read_bulk_callback(struct urb *urb) goon: usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); if (rx_status == -ENODEV) @@ -569,7 +569,7 @@ static void rx_fixup(unsigned long data) } usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); try_again: status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); @@ -823,7 +823,7 @@ static int pegasus_open(struct net_device *net) usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { if (res == -ENODEV) diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 30033dbe6662..c369db99c005 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc75xx.h" #define SMSC_CHIPNAME "smsc75xx" @@ -761,6 +762,15 @@ static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc75xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -772,7 +782,7 @@ static void smsc75xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 66b3ab9f614e..2edc2bc6d1b9 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc95xx.h" #define SMSC_CHIPNAME "smsc95xx" @@ -765,6 +766,15 @@ static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc95xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -775,7 +785,7 @@ static void smsc95xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 8f8793004b9f..1b271b99c49e 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -274,6 +274,9 @@ void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah, }; static const int inc[4] = { 0, 100, 0, 0 }; + memset(&mask_m, 0, sizeof(int8_t) * 123); + memset(&mask_p, 0, sizeof(int8_t) * 123); + cur_bin = -6000; upper = bin + 100; lower = bin - 100; @@ -424,14 +427,9 @@ static void ar5008_hw_spur_mitigate(struct ath_hw *ah, int tmp, new; int i; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); if (AR_NO_SPUR == cur_bb_spur) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index db6624527d99..53d7445a5d12 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -178,14 +178,9 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, int i; struct chan_centers centers; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - ath9k_hw_get_channel_centers(ah, chan, ¢ers); freq = centers.synth_center; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index 97be104d1203..b5c57eebf995 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -93,7 +93,7 @@ #define IWL8260_SMEM_OFFSET 0x400000 #define IWL8260_SMEM_LEN 0x68000 -#define IWL8000_FW_PRE "iwlwifi-8000" +#define IWL8000_FW_PRE "iwlwifi-8000C-" #define IWL8000_MODULE_FIRMWARE(api) \ IWL8000_FW_PRE "-" __stringify(api) ".ucode" diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index f899666acb41..9e45bf9c6071 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -238,19 +238,6 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first) snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", name_pre, tag); - /* - * Starting 8000B - FW name format has changed. This overwrites the - * previous name and uses the new format. - */ - if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { - char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); - - if (rev_step != 'A') - snprintf(drv->firmware_name, - sizeof(drv->firmware_name), "%s%c-%s.ucode", - name_pre, rev_step, tag); - } - IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) ? "EXPERIMENTAL " : "", @@ -1060,11 +1047,18 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } - if (WARN(fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && - !gscan_capa, - "GSCAN is supported but capabilities TLV is unavailable\n")) + /* + * If ucode advertises that it supports GSCAN but GSCAN + * capabilities TLV is not present, or if it has an old format, + * warn and continue without GSCAN. + */ + if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && + !gscan_capa) { + IWL_DEBUG_INFO(drv, + "GSCAN is supported but capabilities TLV is unavailable\n"); __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, capa->_capa); + } return 0; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 4856eac120f6..6938cd37be57 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -526,7 +526,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; /* Make room for fw's virtual image pages, if it exists */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) file_len += mvm->num_of_paging_blk * (sizeof(*dump_data) + sizeof(struct iwl_fw_error_dump_paging) + @@ -643,7 +644,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) } /* Dump fw's virtual image */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) { + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) { for (i = 1; i < mvm->num_of_paging_blk + 1; i++) { struct iwl_fw_error_dump_paging *paging; struct page *pages = diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 594cd0dc7df9..09d895fafaf2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -144,9 +144,11 @@ void iwl_free_fw_paging(struct iwl_mvm *mvm) __free_pages(mvm->fw_paging_db[i].fw_paging_block, get_order(mvm->fw_paging_db[i].fw_paging_size)); + mvm->fw_paging_db[i].fw_paging_block = NULL; } kfree(mvm->trans->paging_download_buf); mvm->trans->paging_download_buf = NULL; + mvm->trans->paging_db = NULL; memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 05b968506836..79d7cd7d461e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -479,8 +479,18 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0050, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0150, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8050, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8130, iwl8265_2ac_cfg)}, /* 9000 Series */ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index f798899338ed..5101f3ab4f29 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -397,10 +397,17 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) */ start += start_pad; npfns = (pmem->size - start_pad - end_trunc - SZ_8K) / SZ_4K; - if (nd_pfn->mode == PFN_MODE_PMEM) - offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align) + if (nd_pfn->mode == PFN_MODE_PMEM) { + unsigned long memmap_size; + + /* + * vmemmap_populate_hugepages() allocates the memmap array in + * HPAGE_SIZE chunks. + */ + memmap_size = ALIGN(64 * npfns, HPAGE_SIZE); + offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align) - start; - else if (nd_pfn->mode == PFN_MODE_RAM) + } else if (nd_pfn->mode == PFN_MODE_RAM) offset = ALIGN(start + SZ_8K, nd_pfn->align) - start; else goto err; diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c index 8ba19bba3156..2bb3c5799ac4 100644 --- a/drivers/nvmem/mxs-ocotp.c +++ b/drivers/nvmem/mxs-ocotp.c @@ -94,7 +94,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, if (ret) goto close_banks; - while (val_size) { + while (val_size >= reg_size) { if ((offset < OCOTP_DATA_OFFSET) || (offset % 16)) { /* fill up non-data register */ *buf = 0; @@ -103,7 +103,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, } buf++; - val_size--; + val_size -= reg_size; offset += reg_size; } diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 26566db09de0..a83ed81d8df8 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -15,6 +15,15 @@ config GENERIC_PHY phy users can obtain reference to the PHY. All the users of this framework should select this config. +config PHY_BCM_NS_USB2 + tristate "Broadcom Northstar USB 2.0 PHY Driver" + depends on ARCH_BCM_IPROC || COMPILE_TEST + depends on HAS_IOMEM && OF + select GENERIC_PHY + help + Enable this to support Broadcom USB 2.0 PHY connected to the USB + controller on Northstar family. + config PHY_BERLIN_USB tristate "Marvell Berlin USB PHY Driver" depends on ARCH_BERLIN && RESET_CONTROLLER && HAS_IOMEM && OF @@ -113,14 +122,15 @@ config PHY_MIPHY365X config PHY_RCAR_GEN2 tristate "Renesas R-Car generation 2 USB PHY driver" - depends on ARCH_SHMOBILE + depends on ARCH_RENESAS depends on GENERIC_PHY help Support for USB PHY found on Renesas R-Car generation 2 SoCs. config PHY_RCAR_GEN3_USB2 tristate "Renesas R-Car generation 3 USB 2.0 PHY driver" - depends on OF && ARCH_SHMOBILE + depends on ARCH_RENESAS + depends on EXTCON select GENERIC_PHY help Support for USB 2.0 PHY found on Renesas R-Car generation 3 SoCs. @@ -218,9 +228,8 @@ config PHY_MT65XX_USB3 depends on ARCH_MEDIATEK && OF select GENERIC_PHY help - Say 'Y' here to add support for Mediatek USB3.0 PHY driver - for mt65xx SoCs. it supports two usb2.0 ports and - one usb3.0 port. + Say 'Y' here to add support for Mediatek USB3.0 PHY driver, + it supports multiple usb2.0 and usb3.0 ports. config PHY_HI6220_USB tristate "hi6220 USB PHY support" @@ -250,7 +259,8 @@ config PHY_SUN9I_USB tristate "Allwinner sun9i SoC USB PHY driver" depends on ARCH_SUNXI && HAS_IOMEM && OF depends on RESET_CONTROLLER - depends on USB_COMMON + depends on USB_SUPPORT + select USB_COMMON select GENERIC_PHY help Enable this to support the transceiver that is part of Allwinner @@ -403,14 +413,15 @@ config PHY_TUSB1210 help Support for TI TUSB1210 USB ULPI PHY. -config PHY_BRCMSTB_SATA - tristate "Broadcom STB SATA PHY driver" - depends on ARCH_BRCMSTB || BMIPS_GENERIC +config PHY_BRCM_SATA + tristate "Broadcom SATA PHY driver" + depends on ARCH_BRCMSTB || ARCH_BCM_IPROC || BMIPS_GENERIC || COMPILE_TEST depends on OF select GENERIC_PHY + default ARCH_BCM_IPROC help - Enable this to support the SATA3 PHY on 28nm or 40nm Broadcom STB SoCs. - Likely useful only with CONFIG_SATA_BRCMSTB enabled. + Enable this to support the Broadcom SATA PHY. + If unsure, say N. config PHY_CYGNUS_PCIE tristate "Broadcom Cygnus PCIe PHY driver" diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index 24596a96a887..0de09e13fdbc 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -3,6 +3,7 @@ # obj-$(CONFIG_GENERIC_PHY) += phy-core.o +obj-$(CONFIG_PHY_BCM_NS_USB2) += phy-bcm-ns-usb2.o obj-$(CONFIG_PHY_BERLIN_USB) += phy-berlin-usb.o obj-$(CONFIG_PHY_BERLIN_SATA) += phy-berlin-sata.o obj-$(CONFIG_PHY_DM816X_USB) += phy-dm816x-usb.o @@ -49,6 +50,6 @@ obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs.o obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs-qmp-20nm.o obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs-qmp-14nm.o obj-$(CONFIG_PHY_TUSB1210) += phy-tusb1210.o -obj-$(CONFIG_PHY_BRCMSTB_SATA) += phy-brcmstb-sata.o +obj-$(CONFIG_PHY_BRCM_SATA) += phy-brcm-sata.o obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o diff --git a/drivers/phy/phy-bcm-ns-usb2.c b/drivers/phy/phy-bcm-ns-usb2.c new file mode 100644 index 000000000000..95ab6b2a0de5 --- /dev/null +++ b/drivers/phy/phy-bcm-ns-usb2.c @@ -0,0 +1,137 @@ +/* + * Broadcom Northstar USB 2.0 PHY Driver + * + * Copyright (C) 2016 Rafał Miłecki <zajec5@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/bcma/bcma.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/phy/phy.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +struct bcm_ns_usb2 { + struct device *dev; + struct clk *ref_clk; + struct phy *phy; + void __iomem *dmu; +}; + +static int bcm_ns_usb2_phy_init(struct phy *phy) +{ + struct bcm_ns_usb2 *usb2 = phy_get_drvdata(phy); + struct device *dev = usb2->dev; + void __iomem *dmu = usb2->dmu; + u32 ref_clk_rate, usb2ctl, usb_pll_ndiv, usb_pll_pdiv; + int err = 0; + + err = clk_prepare_enable(usb2->ref_clk); + if (err < 0) { + dev_err(dev, "Failed to prepare ref clock: %d\n", err); + goto err_out; + } + + ref_clk_rate = clk_get_rate(usb2->ref_clk); + if (!ref_clk_rate) { + dev_err(dev, "Failed to get ref clock rate\n"); + err = -EINVAL; + goto err_clk_off; + } + + usb2ctl = readl(dmu + BCMA_DMU_CRU_USB2_CONTROL); + + if (usb2ctl & BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK) { + usb_pll_pdiv = usb2ctl; + usb_pll_pdiv &= BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK; + usb_pll_pdiv >>= BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_SHIFT; + } else { + usb_pll_pdiv = 1 << 3; + } + + /* Calculate ndiv based on a solid 1920 MHz that is for USB2 PHY */ + usb_pll_ndiv = (1920000000 * usb_pll_pdiv) / ref_clk_rate; + + /* Unlock DMU PLL settings with some magic value */ + writel(0x0000ea68, dmu + BCMA_DMU_CRU_CLKSET_KEY); + + /* Write USB 2.0 PLL control setting */ + usb2ctl &= ~BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_MASK; + usb2ctl |= usb_pll_ndiv << BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_SHIFT; + writel(usb2ctl, dmu + BCMA_DMU_CRU_USB2_CONTROL); + + /* Lock DMU PLL settings */ + writel(0x00000000, dmu + BCMA_DMU_CRU_CLKSET_KEY); + +err_clk_off: + clk_disable_unprepare(usb2->ref_clk); +err_out: + return err; +} + +static const struct phy_ops ops = { + .init = bcm_ns_usb2_phy_init, + .owner = THIS_MODULE, +}; + +static int bcm_ns_usb2_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct bcm_ns_usb2 *usb2; + struct resource *res; + struct phy_provider *phy_provider; + + usb2 = devm_kzalloc(&pdev->dev, sizeof(*usb2), GFP_KERNEL); + if (!usb2) + return -ENOMEM; + usb2->dev = dev; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmu"); + usb2->dmu = devm_ioremap_resource(dev, res); + if (IS_ERR(usb2->dmu)) { + dev_err(dev, "Failed to map DMU regs\n"); + return PTR_ERR(usb2->dmu); + } + + usb2->ref_clk = devm_clk_get(dev, "phy-ref-clk"); + if (IS_ERR(usb2->ref_clk)) { + dev_err(dev, "Clock not defined\n"); + return PTR_ERR(usb2->ref_clk); + } + + usb2->phy = devm_phy_create(dev, NULL, &ops); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + phy_set_drvdata(usb2->phy, usb2); + platform_set_drvdata(pdev, usb2); + + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + return PTR_ERR_OR_ZERO(phy_provider); +} + +static const struct of_device_id bcm_ns_usb2_id_table[] = { + { .compatible = "brcm,ns-usb2-phy", }, + {}, +}; +MODULE_DEVICE_TABLE(of, bcm_ns_usb2_id_table); + +static struct platform_driver bcm_ns_usb2_driver = { + .probe = bcm_ns_usb2_probe, + .driver = { + .name = "bcm_ns_usb2", + .of_match_table = bcm_ns_usb2_id_table, + }, +}; +module_platform_driver(bcm_ns_usb2_driver); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/phy/phy-brcm-sata.c b/drivers/phy/phy-brcm-sata.c new file mode 100644 index 000000000000..6c4c5cb791ca --- /dev/null +++ b/drivers/phy/phy-brcm-sata.c @@ -0,0 +1,412 @@ +/* + * Broadcom SATA3 AHCI Controller PHY Driver + * + * Copyright (C) 2016 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/phy/phy.h> +#include <linux/platform_device.h> + +#define SATA_PCB_BANK_OFFSET 0x23c +#define SATA_PCB_REG_OFFSET(ofs) ((ofs) * 4) + +#define MAX_PORTS 2 + +/* Register offset between PHYs in PCB space */ +#define SATA_PCB_REG_28NM_SPACE_SIZE 0x1000 + +/* The older SATA PHY registers duplicated per port registers within the map, + * rather than having a separate map per port. + */ +#define SATA_PCB_REG_40NM_SPACE_SIZE 0x10 + +/* Register offset between PHYs in PHY control space */ +#define SATA_PHY_CTRL_REG_28NM_SPACE_SIZE 0x8 + +enum brcm_sata_phy_version { + BRCM_SATA_PHY_STB_28NM, + BRCM_SATA_PHY_STB_40NM, + BRCM_SATA_PHY_IPROC_NS2, +}; + +struct brcm_sata_port { + int portnum; + struct phy *phy; + struct brcm_sata_phy *phy_priv; + bool ssc_en; +}; + +struct brcm_sata_phy { + struct device *dev; + void __iomem *phy_base; + void __iomem *ctrl_base; + enum brcm_sata_phy_version version; + + struct brcm_sata_port phys[MAX_PORTS]; +}; + +enum sata_phy_regs { + BLOCK0_REG_BANK = 0x000, + BLOCK0_XGXSSTATUS = 0x81, + BLOCK0_XGXSSTATUS_PLL_LOCK = BIT(12), + BLOCK0_SPARE = 0x8d, + BLOCK0_SPARE_OOB_CLK_SEL_MASK = 0x3, + BLOCK0_SPARE_OOB_CLK_SEL_REFBY2 = 0x1, + + PLL_REG_BANK_0 = 0x050, + PLL_REG_BANK_0_PLLCONTROL_0 = 0x81, + + PLL1_REG_BANK = 0x060, + PLL1_ACTRL2 = 0x82, + PLL1_ACTRL3 = 0x83, + PLL1_ACTRL4 = 0x84, + + OOB_REG_BANK = 0x150, + OOB_CTRL1 = 0x80, + OOB_CTRL1_BURST_MAX_MASK = 0xf, + OOB_CTRL1_BURST_MAX_SHIFT = 12, + OOB_CTRL1_BURST_MIN_MASK = 0xf, + OOB_CTRL1_BURST_MIN_SHIFT = 8, + OOB_CTRL1_WAKE_IDLE_MAX_MASK = 0xf, + OOB_CTRL1_WAKE_IDLE_MAX_SHIFT = 4, + OOB_CTRL1_WAKE_IDLE_MIN_MASK = 0xf, + OOB_CTRL1_WAKE_IDLE_MIN_SHIFT = 0, + OOB_CTRL2 = 0x81, + OOB_CTRL2_SEL_ENA_SHIFT = 15, + OOB_CTRL2_SEL_ENA_RC_SHIFT = 14, + OOB_CTRL2_RESET_IDLE_MAX_MASK = 0x3f, + OOB_CTRL2_RESET_IDLE_MAX_SHIFT = 8, + OOB_CTRL2_BURST_CNT_MASK = 0x3, + OOB_CTRL2_BURST_CNT_SHIFT = 6, + OOB_CTRL2_RESET_IDLE_MIN_MASK = 0x3f, + OOB_CTRL2_RESET_IDLE_MIN_SHIFT = 0, + + TXPMD_REG_BANK = 0x1a0, + TXPMD_CONTROL1 = 0x81, + TXPMD_CONTROL1_TX_SSC_EN_FRC = BIT(0), + TXPMD_CONTROL1_TX_SSC_EN_FRC_VAL = BIT(1), + TXPMD_TX_FREQ_CTRL_CONTROL1 = 0x82, + TXPMD_TX_FREQ_CTRL_CONTROL2 = 0x83, + TXPMD_TX_FREQ_CTRL_CONTROL2_FMIN_MASK = 0x3ff, + TXPMD_TX_FREQ_CTRL_CONTROL3 = 0x84, + TXPMD_TX_FREQ_CTRL_CONTROL3_FMAX_MASK = 0x3ff, +}; + +enum sata_phy_ctrl_regs { + PHY_CTRL_1 = 0x0, + PHY_CTRL_1_RESET = BIT(0), +}; + +static inline void __iomem *brcm_sata_pcb_base(struct brcm_sata_port *port) +{ + struct brcm_sata_phy *priv = port->phy_priv; + u32 size = 0; + + switch (priv->version) { + case BRCM_SATA_PHY_STB_28NM: + case BRCM_SATA_PHY_IPROC_NS2: + size = SATA_PCB_REG_28NM_SPACE_SIZE; + break; + case BRCM_SATA_PHY_STB_40NM: + size = SATA_PCB_REG_40NM_SPACE_SIZE; + break; + default: + dev_err(priv->dev, "invalid phy version\n"); + break; + }; + + return priv->phy_base + (port->portnum * size); +} + +static inline void __iomem *brcm_sata_ctrl_base(struct brcm_sata_port *port) +{ + struct brcm_sata_phy *priv = port->phy_priv; + u32 size = 0; + + switch (priv->version) { + case BRCM_SATA_PHY_IPROC_NS2: + size = SATA_PHY_CTRL_REG_28NM_SPACE_SIZE; + break; + default: + dev_err(priv->dev, "invalid phy version\n"); + break; + }; + + return priv->ctrl_base + (port->portnum * size); +} + +static void brcm_sata_phy_wr(void __iomem *pcb_base, u32 bank, + u32 ofs, u32 msk, u32 value) +{ + u32 tmp; + + writel(bank, pcb_base + SATA_PCB_BANK_OFFSET); + tmp = readl(pcb_base + SATA_PCB_REG_OFFSET(ofs)); + tmp = (tmp & msk) | value; + writel(tmp, pcb_base + SATA_PCB_REG_OFFSET(ofs)); +} + +static u32 brcm_sata_phy_rd(void __iomem *pcb_base, u32 bank, u32 ofs) +{ + writel(bank, pcb_base + SATA_PCB_BANK_OFFSET); + return readl(pcb_base + SATA_PCB_REG_OFFSET(ofs)); +} + +/* These defaults were characterized by H/W group */ +#define STB_FMIN_VAL_DEFAULT 0x3df +#define STB_FMAX_VAL_DEFAULT 0x3df +#define STB_FMAX_VAL_SSC 0x83 + +static int brcm_stb_sata_init(struct brcm_sata_port *port) +{ + void __iomem *base = brcm_sata_pcb_base(port); + struct brcm_sata_phy *priv = port->phy_priv; + u32 tmp; + + /* override the TX spread spectrum setting */ + tmp = TXPMD_CONTROL1_TX_SSC_EN_FRC_VAL | TXPMD_CONTROL1_TX_SSC_EN_FRC; + brcm_sata_phy_wr(base, TXPMD_REG_BANK, TXPMD_CONTROL1, ~tmp, tmp); + + /* set fixed min freq */ + brcm_sata_phy_wr(base, TXPMD_REG_BANK, TXPMD_TX_FREQ_CTRL_CONTROL2, + ~TXPMD_TX_FREQ_CTRL_CONTROL2_FMIN_MASK, + STB_FMIN_VAL_DEFAULT); + + /* set fixed max freq depending on SSC config */ + if (port->ssc_en) { + dev_info(priv->dev, "enabling SSC on port%d\n", port->portnum); + tmp = STB_FMAX_VAL_SSC; + } else { + tmp = STB_FMAX_VAL_DEFAULT; + } + + brcm_sata_phy_wr(base, TXPMD_REG_BANK, TXPMD_TX_FREQ_CTRL_CONTROL3, + ~TXPMD_TX_FREQ_CTRL_CONTROL3_FMAX_MASK, tmp); + + return 0; +} + +/* NS2 SATA PLL1 defaults were characterized by H/W group */ +#define NS2_PLL1_ACTRL2_MAGIC 0x1df8 +#define NS2_PLL1_ACTRL3_MAGIC 0x2b00 +#define NS2_PLL1_ACTRL4_MAGIC 0x8824 + +static int brcm_ns2_sata_init(struct brcm_sata_port *port) +{ + int try; + unsigned int val; + void __iomem *base = brcm_sata_pcb_base(port); + void __iomem *ctrl_base = brcm_sata_ctrl_base(port); + struct device *dev = port->phy_priv->dev; + + /* Configure OOB control */ + val = 0x0; + val |= (0xc << OOB_CTRL1_BURST_MAX_SHIFT); + val |= (0x4 << OOB_CTRL1_BURST_MIN_SHIFT); + val |= (0x9 << OOB_CTRL1_WAKE_IDLE_MAX_SHIFT); + val |= (0x3 << OOB_CTRL1_WAKE_IDLE_MIN_SHIFT); + brcm_sata_phy_wr(base, OOB_REG_BANK, OOB_CTRL1, 0x0, val); + val = 0x0; + val |= (0x1b << OOB_CTRL2_RESET_IDLE_MAX_SHIFT); + val |= (0x2 << OOB_CTRL2_BURST_CNT_SHIFT); + val |= (0x9 << OOB_CTRL2_RESET_IDLE_MIN_SHIFT); + brcm_sata_phy_wr(base, OOB_REG_BANK, OOB_CTRL2, 0x0, val); + + /* Configure PHY PLL register bank 1 */ + val = NS2_PLL1_ACTRL2_MAGIC; + brcm_sata_phy_wr(base, PLL1_REG_BANK, PLL1_ACTRL2, 0x0, val); + val = NS2_PLL1_ACTRL3_MAGIC; + brcm_sata_phy_wr(base, PLL1_REG_BANK, PLL1_ACTRL3, 0x0, val); + val = NS2_PLL1_ACTRL4_MAGIC; + brcm_sata_phy_wr(base, PLL1_REG_BANK, PLL1_ACTRL4, 0x0, val); + + /* Configure PHY BLOCK0 register bank */ + /* Set oob_clk_sel to refclk/2 */ + brcm_sata_phy_wr(base, BLOCK0_REG_BANK, BLOCK0_SPARE, + ~BLOCK0_SPARE_OOB_CLK_SEL_MASK, + BLOCK0_SPARE_OOB_CLK_SEL_REFBY2); + + /* Strobe PHY reset using PHY control register */ + writel(PHY_CTRL_1_RESET, ctrl_base + PHY_CTRL_1); + mdelay(1); + writel(0x0, ctrl_base + PHY_CTRL_1); + mdelay(1); + + /* Wait for PHY PLL lock by polling pll_lock bit */ + try = 50; + while (try) { + val = brcm_sata_phy_rd(base, BLOCK0_REG_BANK, + BLOCK0_XGXSSTATUS); + if (val & BLOCK0_XGXSSTATUS_PLL_LOCK) + break; + msleep(20); + try--; + } + if (!try) { + /* PLL did not lock; give up */ + dev_err(dev, "port%d PLL did not lock\n", port->portnum); + return -ETIMEDOUT; + } + + dev_dbg(dev, "port%d initialized\n", port->portnum); + + return 0; +} + +static int brcm_sata_phy_init(struct phy *phy) +{ + int rc; + struct brcm_sata_port *port = phy_get_drvdata(phy); + + switch (port->phy_priv->version) { + case BRCM_SATA_PHY_STB_28NM: + case BRCM_SATA_PHY_STB_40NM: + rc = brcm_stb_sata_init(port); + break; + case BRCM_SATA_PHY_IPROC_NS2: + rc = brcm_ns2_sata_init(port); + break; + default: + rc = -ENODEV; + }; + + return 0; +} + +static const struct phy_ops phy_ops = { + .init = brcm_sata_phy_init, + .owner = THIS_MODULE, +}; + +static const struct of_device_id brcm_sata_phy_of_match[] = { + { .compatible = "brcm,bcm7445-sata-phy", + .data = (void *)BRCM_SATA_PHY_STB_28NM }, + { .compatible = "brcm,bcm7425-sata-phy", + .data = (void *)BRCM_SATA_PHY_STB_40NM }, + { .compatible = "brcm,iproc-ns2-sata-phy", + .data = (void *)BRCM_SATA_PHY_IPROC_NS2 }, + {}, +}; +MODULE_DEVICE_TABLE(of, brcm_sata_phy_of_match); + +static int brcm_sata_phy_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *dn = dev->of_node, *child; + const struct of_device_id *of_id; + struct brcm_sata_phy *priv; + struct resource *res; + struct phy_provider *provider; + int ret, count = 0; + + if (of_get_child_count(dn) == 0) + return -ENODEV; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + dev_set_drvdata(dev, priv); + priv->dev = dev; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy"); + priv->phy_base = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->phy_base)) + return PTR_ERR(priv->phy_base); + + of_id = of_match_node(brcm_sata_phy_of_match, dn); + if (of_id) + priv->version = (enum brcm_sata_phy_version)of_id->data; + else + priv->version = BRCM_SATA_PHY_STB_28NM; + + if (priv->version == BRCM_SATA_PHY_IPROC_NS2) { + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + "phy-ctrl"); + priv->ctrl_base = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->ctrl_base)) + return PTR_ERR(priv->ctrl_base); + } + + for_each_available_child_of_node(dn, child) { + unsigned int id; + struct brcm_sata_port *port; + + if (of_property_read_u32(child, "reg", &id)) { + dev_err(dev, "missing reg property in node %s\n", + child->name); + ret = -EINVAL; + goto put_child; + } + + if (id >= MAX_PORTS) { + dev_err(dev, "invalid reg: %u\n", id); + ret = -EINVAL; + goto put_child; + } + if (priv->phys[id].phy) { + dev_err(dev, "already registered port %u\n", id); + ret = -EINVAL; + goto put_child; + } + + port = &priv->phys[id]; + port->portnum = id; + port->phy_priv = priv; + port->phy = devm_phy_create(dev, child, &phy_ops); + port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc"); + if (IS_ERR(port->phy)) { + dev_err(dev, "failed to create PHY\n"); + ret = PTR_ERR(port->phy); + goto put_child; + } + + phy_set_drvdata(port->phy, port); + count++; + } + + provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (IS_ERR(provider)) { + dev_err(dev, "could not register PHY provider\n"); + return PTR_ERR(provider); + } + + dev_info(dev, "registered %d port(s)\n", count); + + return 0; +put_child: + of_node_put(child); + return ret; +} + +static struct platform_driver brcm_sata_phy_driver = { + .probe = brcm_sata_phy_probe, + .driver = { + .of_match_table = brcm_sata_phy_of_match, + .name = "brcm-sata-phy", + } +}; +module_platform_driver(brcm_sata_phy_driver); + +MODULE_DESCRIPTION("Broadcom SATA PHY driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Marc Carino"); +MODULE_AUTHOR("Brian Norris"); +MODULE_ALIAS("platform:phy-brcm-sata"); diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c deleted file mode 100644 index a23172ff40e3..000000000000 --- a/drivers/phy/phy-brcmstb-sata.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Broadcom SATA3 AHCI Controller PHY Driver - * - * Copyright © 2009-2015 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/device.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/phy/phy.h> -#include <linux/platform_device.h> - -#define SATA_MDIO_BANK_OFFSET 0x23c -#define SATA_MDIO_REG_OFFSET(ofs) ((ofs) * 4) - -#define MAX_PORTS 2 - -/* Register offset between PHYs in PCB space */ -#define SATA_MDIO_REG_28NM_SPACE_SIZE 0x1000 - -/* The older SATA PHY registers duplicated per port registers within the map, - * rather than having a separate map per port. - */ -#define SATA_MDIO_REG_40NM_SPACE_SIZE 0x10 - -enum brcm_sata_phy_version { - BRCM_SATA_PHY_28NM, - BRCM_SATA_PHY_40NM, -}; - -struct brcm_sata_port { - int portnum; - struct phy *phy; - struct brcm_sata_phy *phy_priv; - bool ssc_en; -}; - -struct brcm_sata_phy { - struct device *dev; - void __iomem *phy_base; - enum brcm_sata_phy_version version; - - struct brcm_sata_port phys[MAX_PORTS]; -}; - -enum sata_mdio_phy_regs { - PLL_REG_BANK_0 = 0x50, - PLL_REG_BANK_0_PLLCONTROL_0 = 0x81, - - TXPMD_REG_BANK = 0x1a0, - TXPMD_CONTROL1 = 0x81, - TXPMD_CONTROL1_TX_SSC_EN_FRC = BIT(0), - TXPMD_CONTROL1_TX_SSC_EN_FRC_VAL = BIT(1), - TXPMD_TX_FREQ_CTRL_CONTROL1 = 0x82, - TXPMD_TX_FREQ_CTRL_CONTROL2 = 0x83, - TXPMD_TX_FREQ_CTRL_CONTROL2_FMIN_MASK = 0x3ff, - TXPMD_TX_FREQ_CTRL_CONTROL3 = 0x84, - TXPMD_TX_FREQ_CTRL_CONTROL3_FMAX_MASK = 0x3ff, -}; - -static inline void __iomem *brcm_sata_phy_base(struct brcm_sata_port *port) -{ - struct brcm_sata_phy *priv = port->phy_priv; - u32 offset = 0; - - if (priv->version == BRCM_SATA_PHY_28NM) - offset = SATA_MDIO_REG_28NM_SPACE_SIZE; - else if (priv->version == BRCM_SATA_PHY_40NM) - offset = SATA_MDIO_REG_40NM_SPACE_SIZE; - else - dev_err(priv->dev, "invalid phy version\n"); - - return priv->phy_base + (port->portnum * offset); -} - -static void brcm_sata_mdio_wr(void __iomem *addr, u32 bank, u32 ofs, - u32 msk, u32 value) -{ - u32 tmp; - - writel(bank, addr + SATA_MDIO_BANK_OFFSET); - tmp = readl(addr + SATA_MDIO_REG_OFFSET(ofs)); - tmp = (tmp & msk) | value; - writel(tmp, addr + SATA_MDIO_REG_OFFSET(ofs)); -} - -/* These defaults were characterized by H/W group */ -#define FMIN_VAL_DEFAULT 0x3df -#define FMAX_VAL_DEFAULT 0x3df -#define FMAX_VAL_SSC 0x83 - -static void brcm_sata_cfg_ssc(struct brcm_sata_port *port) -{ - void __iomem *base = brcm_sata_phy_base(port); - struct brcm_sata_phy *priv = port->phy_priv; - u32 tmp; - - /* override the TX spread spectrum setting */ - tmp = TXPMD_CONTROL1_TX_SSC_EN_FRC_VAL | TXPMD_CONTROL1_TX_SSC_EN_FRC; - brcm_sata_mdio_wr(base, TXPMD_REG_BANK, TXPMD_CONTROL1, ~tmp, tmp); - - /* set fixed min freq */ - brcm_sata_mdio_wr(base, TXPMD_REG_BANK, TXPMD_TX_FREQ_CTRL_CONTROL2, - ~TXPMD_TX_FREQ_CTRL_CONTROL2_FMIN_MASK, - FMIN_VAL_DEFAULT); - - /* set fixed max freq depending on SSC config */ - if (port->ssc_en) { - dev_info(priv->dev, "enabling SSC on port %d\n", port->portnum); - tmp = FMAX_VAL_SSC; - } else { - tmp = FMAX_VAL_DEFAULT; - } - - brcm_sata_mdio_wr(base, TXPMD_REG_BANK, TXPMD_TX_FREQ_CTRL_CONTROL3, - ~TXPMD_TX_FREQ_CTRL_CONTROL3_FMAX_MASK, tmp); -} - -static int brcm_sata_phy_init(struct phy *phy) -{ - struct brcm_sata_port *port = phy_get_drvdata(phy); - - brcm_sata_cfg_ssc(port); - - return 0; -} - -static const struct phy_ops phy_ops = { - .init = brcm_sata_phy_init, - .owner = THIS_MODULE, -}; - -static const struct of_device_id brcm_sata_phy_of_match[] = { - { .compatible = "brcm,bcm7445-sata-phy", - .data = (void *)BRCM_SATA_PHY_28NM }, - { .compatible = "brcm,bcm7425-sata-phy", - .data = (void *)BRCM_SATA_PHY_40NM }, - {}, -}; -MODULE_DEVICE_TABLE(of, brcm_sata_phy_of_match); - -static int brcm_sata_phy_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *dn = dev->of_node, *child; - const struct of_device_id *of_id; - struct brcm_sata_phy *priv; - struct resource *res; - struct phy_provider *provider; - int ret, count = 0; - - if (of_get_child_count(dn) == 0) - return -ENODEV; - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - dev_set_drvdata(dev, priv); - priv->dev = dev; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy"); - priv->phy_base = devm_ioremap_resource(dev, res); - if (IS_ERR(priv->phy_base)) - return PTR_ERR(priv->phy_base); - - of_id = of_match_node(brcm_sata_phy_of_match, dn); - if (of_id) - priv->version = (enum brcm_sata_phy_version)of_id->data; - else - priv->version = BRCM_SATA_PHY_28NM; - - for_each_available_child_of_node(dn, child) { - unsigned int id; - struct brcm_sata_port *port; - - if (of_property_read_u32(child, "reg", &id)) { - dev_err(dev, "missing reg property in node %s\n", - child->name); - ret = -EINVAL; - goto put_child; - } - - if (id >= MAX_PORTS) { - dev_err(dev, "invalid reg: %u\n", id); - ret = -EINVAL; - goto put_child; - } - if (priv->phys[id].phy) { - dev_err(dev, "already registered port %u\n", id); - ret = -EINVAL; - goto put_child; - } - - port = &priv->phys[id]; - port->portnum = id; - port->phy_priv = priv; - port->phy = devm_phy_create(dev, child, &phy_ops); - port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc"); - if (IS_ERR(port->phy)) { - dev_err(dev, "failed to create PHY\n"); - ret = PTR_ERR(port->phy); - goto put_child; - } - - phy_set_drvdata(port->phy, port); - count++; - } - - provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(provider)) { - dev_err(dev, "could not register PHY provider\n"); - return PTR_ERR(provider); - } - - dev_info(dev, "registered %d port(s)\n", count); - - return 0; -put_child: - of_node_put(child); - return ret; -} - -static struct platform_driver brcm_sata_phy_driver = { - .probe = brcm_sata_phy_probe, - .driver = { - .of_match_table = brcm_sata_phy_of_match, - .name = "brcmstb-sata-phy", - } -}; -module_platform_driver(brcm_sata_phy_driver); - -MODULE_DESCRIPTION("Broadcom STB SATA PHY driver"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Marc Carino"); -MODULE_AUTHOR("Brian Norris"); -MODULE_ALIAS("platform:phy-brcmstb-sata"); diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c index 2a54caba93b4..cc093ebfda94 100644 --- a/drivers/phy/phy-exynos-mipi-video.c +++ b/drivers/phy/phy-exynos-mipi-video.c @@ -1,7 +1,7 @@ /* * Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver * - * Copyright (C) 2013 Samsung Electronics Co., Ltd. + * Copyright (C) 2013,2016 Samsung Electronics Co., Ltd. * Author: Sylwester Nawrocki <s.nawrocki@samsung.com> * * This program is free software; you can redistribute it and/or modify @@ -13,96 +13,276 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/mfd/syscon/exynos4-pmu.h> +#include <linux/mfd/syscon/exynos5-pmu.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_device.h> #include <linux/phy/phy.h> -#include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/spinlock.h> #include <linux/mfd/syscon.h> -/* MIPI_PHYn_CONTROL reg. offset (for base address from ioremap): n = 0..1 */ -#define EXYNOS_MIPI_PHY_CONTROL(n) ((n) * 4) - enum exynos_mipi_phy_id { + EXYNOS_MIPI_PHY_ID_NONE = -1, EXYNOS_MIPI_PHY_ID_CSIS0, EXYNOS_MIPI_PHY_ID_DSIM0, EXYNOS_MIPI_PHY_ID_CSIS1, EXYNOS_MIPI_PHY_ID_DSIM1, + EXYNOS_MIPI_PHY_ID_CSIS2, EXYNOS_MIPI_PHYS_NUM }; -#define is_mipi_dsim_phy_id(id) \ - ((id) == EXYNOS_MIPI_PHY_ID_DSIM0 || (id) == EXYNOS_MIPI_PHY_ID_DSIM1) +enum exynos_mipi_phy_regmap_id { + EXYNOS_MIPI_REGMAP_PMU, + EXYNOS_MIPI_REGMAP_DISP, + EXYNOS_MIPI_REGMAP_CAM0, + EXYNOS_MIPI_REGMAP_CAM1, + EXYNOS_MIPI_REGMAPS_NUM +}; + +struct mipi_phy_device_desc { + int num_phys; + int num_regmaps; + const char *regmap_names[EXYNOS_MIPI_REGMAPS_NUM]; + struct exynos_mipi_phy_desc { + enum exynos_mipi_phy_id coupled_phy_id; + u32 enable_val; + unsigned int enable_reg; + enum exynos_mipi_phy_regmap_id enable_map; + u32 resetn_val; + unsigned int resetn_reg; + enum exynos_mipi_phy_regmap_id resetn_map; + } phys[EXYNOS_MIPI_PHYS_NUM]; +}; + +static const struct mipi_phy_device_desc s5pv210_mipi_phy = { + .num_regmaps = 1, + .regmap_names = {"syscon"}, + .num_phys = 4, + .phys = { + { + /* EXYNOS_MIPI_PHY_ID_CSIS0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0, + .enable_val = EXYNOS4_MIPI_PHY_ENABLE, + .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0), + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS4_MIPI_PHY_SRESETN, + .resetn_reg = EXYNOS4_MIPI_PHY_CONTROL(0), + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0, + .enable_val = EXYNOS4_MIPI_PHY_ENABLE, + .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0), + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS4_MIPI_PHY_MRESETN, + .resetn_reg = EXYNOS4_MIPI_PHY_CONTROL(0), + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_CSIS1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM1, + .enable_val = EXYNOS4_MIPI_PHY_ENABLE, + .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1), + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS4_MIPI_PHY_SRESETN, + .resetn_reg = EXYNOS4_MIPI_PHY_CONTROL(1), + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS1, + .enable_val = EXYNOS4_MIPI_PHY_ENABLE, + .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1), + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS4_MIPI_PHY_MRESETN, + .resetn_reg = EXYNOS4_MIPI_PHY_CONTROL(1), + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, + }, +}; + +static const struct mipi_phy_device_desc exynos5420_mipi_phy = { + .num_regmaps = 1, + .regmap_names = {"syscon"}, + .num_phys = 5, + .phys = { + { + /* EXYNOS_MIPI_PHY_ID_CSIS0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5420_MIPI_PHY0_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN, + .resetn_reg = EXYNOS5420_MIPI_PHY0_CONTROL, + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5420_MIPI_PHY0_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS5_MIPI_PHY_M_RESETN, + .resetn_reg = EXYNOS5420_MIPI_PHY0_CONTROL, + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_CSIS1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM1, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5420_MIPI_PHY1_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN, + .resetn_reg = EXYNOS5420_MIPI_PHY1_CONTROL, + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS1, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5420_MIPI_PHY1_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS5_MIPI_PHY_M_RESETN, + .resetn_reg = EXYNOS5420_MIPI_PHY1_CONTROL, + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, { + /* EXYNOS_MIPI_PHY_ID_CSIS2 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5420_MIPI_PHY2_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN, + .resetn_reg = EXYNOS5420_MIPI_PHY2_CONTROL, + .resetn_map = EXYNOS_MIPI_REGMAP_PMU, + }, + }, +}; + +#define EXYNOS5433_SYSREG_DISP_MIPI_PHY 0x100C +#define EXYNOS5433_SYSREG_CAM0_MIPI_DPHY_CON 0x1014 +#define EXYNOS5433_SYSREG_CAM1_MIPI_DPHY_CON 0x1020 + +static const struct mipi_phy_device_desc exynos5433_mipi_phy = { + .num_regmaps = 4, + .regmap_names = { + "samsung,pmu-syscon", + "samsung,disp-sysreg", + "samsung,cam0-sysreg", + "samsung,cam1-sysreg" + }, + .num_phys = 5, + .phys = { + { + /* EXYNOS_MIPI_PHY_ID_CSIS0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5433_MIPI_PHY0_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = BIT(0), + .resetn_reg = EXYNOS5433_SYSREG_CAM0_MIPI_DPHY_CON, + .resetn_map = EXYNOS_MIPI_REGMAP_CAM0, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM0 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5433_MIPI_PHY0_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = BIT(0), + .resetn_reg = EXYNOS5433_SYSREG_DISP_MIPI_PHY, + .resetn_map = EXYNOS_MIPI_REGMAP_DISP, + }, { + /* EXYNOS_MIPI_PHY_ID_CSIS1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5433_MIPI_PHY1_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = BIT(1), + .resetn_reg = EXYNOS5433_SYSREG_CAM0_MIPI_DPHY_CON, + .resetn_map = EXYNOS_MIPI_REGMAP_CAM0, + }, { + /* EXYNOS_MIPI_PHY_ID_DSIM1 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5433_MIPI_PHY1_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = BIT(1), + .resetn_reg = EXYNOS5433_SYSREG_DISP_MIPI_PHY, + .resetn_map = EXYNOS_MIPI_REGMAP_DISP, + }, { + /* EXYNOS_MIPI_PHY_ID_CSIS2 */ + .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE, + .enable_val = EXYNOS5_PHY_ENABLE, + .enable_reg = EXYNOS5433_MIPI_PHY2_CONTROL, + .enable_map = EXYNOS_MIPI_REGMAP_PMU, + .resetn_val = BIT(0), + .resetn_reg = EXYNOS5433_SYSREG_CAM1_MIPI_DPHY_CON, + .resetn_map = EXYNOS_MIPI_REGMAP_CAM1, + }, + }, +}; struct exynos_mipi_video_phy { + struct regmap *regmaps[EXYNOS_MIPI_REGMAPS_NUM]; + int num_phys; struct video_phy_desc { struct phy *phy; unsigned int index; + const struct exynos_mipi_phy_desc *data; } phys[EXYNOS_MIPI_PHYS_NUM]; spinlock_t slock; - void __iomem *regs; - struct regmap *regmap; }; -static int __set_phy_state(struct exynos_mipi_video_phy *state, - enum exynos_mipi_phy_id id, unsigned int on) +static inline int __is_running(const struct exynos_mipi_phy_desc *data, + struct exynos_mipi_video_phy *state) { - const unsigned int offset = EXYNOS4_MIPI_PHY_CONTROL(id / 2); - void __iomem *addr; - u32 val, reset; + u32 val; - if (is_mipi_dsim_phy_id(id)) - reset = EXYNOS4_MIPI_PHY_MRESETN; - else - reset = EXYNOS4_MIPI_PHY_SRESETN; + regmap_read(state->regmaps[data->resetn_map], data->resetn_reg, &val); + return val & data->resetn_val; +} + +static int __set_phy_state(const struct exynos_mipi_phy_desc *data, + struct exynos_mipi_video_phy *state, unsigned int on) +{ + u32 val; spin_lock(&state->slock); - if (!IS_ERR(state->regmap)) { - regmap_read(state->regmap, offset, &val); - if (on) - val |= reset; - else - val &= ~reset; - regmap_write(state->regmap, offset, val); - if (on) - val |= EXYNOS4_MIPI_PHY_ENABLE; - else if (!(val & EXYNOS4_MIPI_PHY_RESET_MASK)) - val &= ~EXYNOS4_MIPI_PHY_ENABLE; - regmap_write(state->regmap, offset, val); - } else { - addr = state->regs + EXYNOS_MIPI_PHY_CONTROL(id / 2); - - val = readl(addr); - if (on) - val |= reset; - else - val &= ~reset; - writel(val, addr); - /* Clear ENABLE bit only if MRESETN, SRESETN bits are not set */ - if (on) - val |= EXYNOS4_MIPI_PHY_ENABLE; - else if (!(val & EXYNOS4_MIPI_PHY_RESET_MASK)) - val &= ~EXYNOS4_MIPI_PHY_ENABLE; - - writel(val, addr); + /* disable in PMU sysreg */ + if (!on && data->coupled_phy_id >= 0 && + !__is_running(state->phys[data->coupled_phy_id].data, state)) { + regmap_read(state->regmaps[data->enable_map], data->enable_reg, + &val); + val &= ~data->enable_val; + regmap_write(state->regmaps[data->enable_map], data->enable_reg, + val); + } + + /* PHY reset */ + regmap_read(state->regmaps[data->resetn_map], data->resetn_reg, &val); + val = on ? (val | data->resetn_val) : (val & ~data->resetn_val); + regmap_write(state->regmaps[data->resetn_map], data->resetn_reg, val); + + /* enable in PMU sysreg */ + if (on) { + regmap_read(state->regmaps[data->enable_map], data->enable_reg, + &val); + val |= data->enable_val; + regmap_write(state->regmaps[data->enable_map], data->enable_reg, + val); } spin_unlock(&state->slock); + return 0; } #define to_mipi_video_phy(desc) \ - container_of((desc), struct exynos_mipi_video_phy, phys[(desc)->index]); + container_of((desc), struct exynos_mipi_video_phy, phys[(desc)->index]) static int exynos_mipi_video_phy_power_on(struct phy *phy) { struct video_phy_desc *phy_desc = phy_get_drvdata(phy); struct exynos_mipi_video_phy *state = to_mipi_video_phy(phy_desc); - return __set_phy_state(state, phy_desc->index, 1); + return __set_phy_state(phy_desc->data, state, 1); } static int exynos_mipi_video_phy_power_off(struct phy *phy) @@ -110,7 +290,7 @@ static int exynos_mipi_video_phy_power_off(struct phy *phy) struct video_phy_desc *phy_desc = phy_get_drvdata(phy); struct exynos_mipi_video_phy *state = to_mipi_video_phy(phy_desc); - return __set_phy_state(state, phy_desc->index, 0); + return __set_phy_state(phy_desc->data, state, 0); } static struct phy *exynos_mipi_video_phy_xlate(struct device *dev, @@ -118,7 +298,7 @@ static struct phy *exynos_mipi_video_phy_xlate(struct device *dev, { struct exynos_mipi_video_phy *state = dev_get_drvdata(dev); - if (WARN_ON(args->args[0] >= EXYNOS_MIPI_PHYS_NUM)) + if (WARN_ON(args->args[0] >= state->num_phys)) return ERR_PTR(-ENODEV); return state->phys[args->args[0]].phy; @@ -132,32 +312,33 @@ static const struct phy_ops exynos_mipi_video_phy_ops = { static int exynos_mipi_video_phy_probe(struct platform_device *pdev) { + const struct mipi_phy_device_desc *phy_dev; struct exynos_mipi_video_phy *state; struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; struct phy_provider *phy_provider; unsigned int i; + phy_dev = of_device_get_match_data(dev); + if (!phy_dev) + return -ENODEV; + state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL); if (!state) return -ENOMEM; - state->regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon"); - if (IS_ERR(state->regmap)) { - struct resource *res; - - dev_info(dev, "regmap lookup failed: %ld\n", - PTR_ERR(state->regmap)); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - state->regs = devm_ioremap_resource(dev, res); - if (IS_ERR(state->regs)) - return PTR_ERR(state->regs); + for (i = 0; i < phy_dev->num_regmaps; i++) { + state->regmaps[i] = syscon_regmap_lookup_by_phandle(np, + phy_dev->regmap_names[i]); + if (IS_ERR(state->regmaps[i])) + return PTR_ERR(state->regmaps[i]); } + state->num_phys = phy_dev->num_phys; + spin_lock_init(&state->slock); dev_set_drvdata(dev, state); - spin_lock_init(&state->slock); - for (i = 0; i < EXYNOS_MIPI_PHYS_NUM; i++) { + for (i = 0; i < state->num_phys; i++) { struct phy *phy = devm_phy_create(dev, NULL, &exynos_mipi_video_phy_ops); if (IS_ERR(phy)) { @@ -167,6 +348,7 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev) state->phys[i].phy = phy; state->phys[i].index = i; + state->phys[i].data = &phy_dev->phys[i]; phy_set_drvdata(phy, &state->phys[i]); } @@ -177,8 +359,17 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev) } static const struct of_device_id exynos_mipi_video_phy_of_match[] = { - { .compatible = "samsung,s5pv210-mipi-video-phy" }, - { }, + { + .compatible = "samsung,s5pv210-mipi-video-phy", + .data = &s5pv210_mipi_phy, + }, { + .compatible = "samsung,exynos5420-mipi-video-phy", + .data = &exynos5420_mipi_phy, + }, { + .compatible = "samsung,exynos5433-mipi-video-phy", + .data = &exynos5433_mipi_phy, + }, + { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, exynos_mipi_video_phy_of_match); diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c index c0e7b4b0cf5c..4d85e730ccab 100644 --- a/drivers/phy/phy-mt65xx-usb3.c +++ b/drivers/phy/phy-mt65xx-usb3.c @@ -134,6 +134,11 @@ #define U3P_SR_COEF_DIVISOR 1000 #define U3P_FM_DET_CYCLE_CNT 1024 +struct mt65xx_phy_pdata { + /* avoid RX sensitivity level degradation only for mt8173 */ + bool avoid_rx_sen_degradation; +}; + struct mt65xx_phy_instance { struct phy *phy; void __iomem *port_base; @@ -145,6 +150,7 @@ struct mt65xx_u3phy { struct device *dev; void __iomem *sif_base; /* include sif2, but exclude port's */ struct clk *u3phya_ref; /* reference clock of usb3 anolog phy */ + const struct mt65xx_phy_pdata *pdata; struct mt65xx_phy_instance **phys; int nphys; }; @@ -241,22 +247,26 @@ static void phy_instance_init(struct mt65xx_u3phy *u3phy, tmp = readl(port_base + U3P_U2PHYACR4); tmp &= ~P2C_U2_GPIO_CTR_MSK; writel(tmp, port_base + U3P_U2PHYACR4); + } - tmp = readl(port_base + U3P_USBPHYACR2); - tmp |= PA2_RG_SIF_U2PLL_FORCE_EN; - writel(tmp, port_base + U3P_USBPHYACR2); - - tmp = readl(port_base + U3D_U2PHYDCR0); - tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON; - writel(tmp, port_base + U3D_U2PHYDCR0); - } else { - tmp = readl(port_base + U3D_U2PHYDCR0); - tmp |= P2C_RG_SIF_U2PLL_FORCE_ON; - writel(tmp, port_base + U3D_U2PHYDCR0); - - tmp = readl(port_base + U3P_U2PHYDTM0); - tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM; - writel(tmp, port_base + U3P_U2PHYDTM0); + if (u3phy->pdata->avoid_rx_sen_degradation) { + if (!index) { + tmp = readl(port_base + U3P_USBPHYACR2); + tmp |= PA2_RG_SIF_U2PLL_FORCE_EN; + writel(tmp, port_base + U3P_USBPHYACR2); + + tmp = readl(port_base + U3D_U2PHYDCR0); + tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON; + writel(tmp, port_base + U3D_U2PHYDCR0); + } else { + tmp = readl(port_base + U3D_U2PHYDCR0); + tmp |= P2C_RG_SIF_U2PLL_FORCE_ON; + writel(tmp, port_base + U3D_U2PHYDCR0); + + tmp = readl(port_base + U3P_U2PHYDTM0); + tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM; + writel(tmp, port_base + U3P_U2PHYDTM0); + } } tmp = readl(port_base + U3P_USBPHYACR6); @@ -318,7 +328,7 @@ static void phy_instance_power_on(struct mt65xx_u3phy *u3phy, tmp |= XC3_RG_U3_XTAL_RX_PWD | XC3_RG_U3_FRC_XTAL_RX_PWD; writel(tmp, u3phy->sif_base + U3P_XTALCTL3); - /* [mt8173]switch 100uA current to SSUSB */ + /* switch 100uA current to SSUSB */ tmp = readl(port_base + U3P_USBPHYACR5); tmp |= PA5_RG_U2_HS_100U_U3_EN; writel(tmp, port_base + U3P_USBPHYACR5); @@ -335,7 +345,7 @@ static void phy_instance_power_on(struct mt65xx_u3phy *u3phy, tmp |= PA5_RG_U2_HSTX_SRCTRL_VAL(4); writel(tmp, port_base + U3P_USBPHYACR5); - if (index) { + if (u3phy->pdata->avoid_rx_sen_degradation && index) { tmp = readl(port_base + U3D_U2PHYDCR0); tmp |= P2C_RG_SIF_U2PLL_FORCE_ON; writel(tmp, port_base + U3D_U2PHYDCR0); @@ -386,7 +396,9 @@ static void phy_instance_power_off(struct mt65xx_u3phy *u3phy, tmp = readl(port_base + U3P_U3_PHYA_REG0); tmp &= ~P3A_RG_U3_VUSB10_ON; writel(tmp, port_base + U3P_U3_PHYA_REG0); - } else { + } + + if (u3phy->pdata->avoid_rx_sen_degradation && index) { tmp = readl(port_base + U3D_U2PHYDCR0); tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON; writel(tmp, port_base + U3D_U2PHYDCR0); @@ -402,7 +414,7 @@ static void phy_instance_exit(struct mt65xx_u3phy *u3phy, u32 index = instance->index; u32 tmp; - if (index) { + if (u3phy->pdata->avoid_rx_sen_degradation && index) { tmp = readl(port_base + U3D_U2PHYDCR0); tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON; writel(tmp, port_base + U3D_U2PHYDCR0); @@ -502,8 +514,24 @@ static struct phy_ops mt65xx_u3phy_ops = { .owner = THIS_MODULE, }; +static const struct mt65xx_phy_pdata mt2701_pdata = { + .avoid_rx_sen_degradation = false, +}; + +static const struct mt65xx_phy_pdata mt8173_pdata = { + .avoid_rx_sen_degradation = true, +}; + +static const struct of_device_id mt65xx_u3phy_id_table[] = { + { .compatible = "mediatek,mt2701-u3phy", .data = &mt2701_pdata }, + { .compatible = "mediatek,mt8173-u3phy", .data = &mt8173_pdata }, + { }, +}; +MODULE_DEVICE_TABLE(of, mt65xx_u3phy_id_table); + static int mt65xx_u3phy_probe(struct platform_device *pdev) { + const struct of_device_id *match; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct device_node *child_np; @@ -513,10 +541,15 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev) struct resource res; int port, retval; + match = of_match_node(mt65xx_u3phy_id_table, pdev->dev.of_node); + if (!match) + return -EINVAL; + u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL); if (!u3phy) return -ENOMEM; + u3phy->pdata = match->data; u3phy->nphys = of_get_child_count(np); u3phy->phys = devm_kcalloc(dev, u3phy->nphys, sizeof(*u3phy->phys), GFP_KERNEL); @@ -587,12 +620,6 @@ put_child: return retval; } -static const struct of_device_id mt65xx_u3phy_id_table[] = { - { .compatible = "mediatek,mt8173-u3phy", }, - { }, -}; -MODULE_DEVICE_TABLE(of, mt65xx_u3phy_id_table); - static struct platform_driver mt65xx_u3phy_driver = { .probe = mt65xx_u3phy_probe, .driver = { diff --git a/drivers/phy/phy-rcar-gen2.c b/drivers/phy/phy-rcar-gen2.c index c7a05996d5c1..97d4dd6ea924 100644 --- a/drivers/phy/phy-rcar-gen2.c +++ b/drivers/phy/phy-rcar-gen2.c @@ -195,6 +195,7 @@ static const struct of_device_id rcar_gen2_phy_match_table[] = { { .compatible = "renesas,usb-phy-r8a7790" }, { .compatible = "renesas,usb-phy-r8a7791" }, { .compatible = "renesas,usb-phy-r8a7794" }, + { .compatible = "renesas,rcar-gen2-usb-phy" }, { } }; MODULE_DEVICE_TABLE(of, rcar_gen2_phy_match_table); diff --git a/drivers/phy/phy-rcar-gen3-usb2.c b/drivers/phy/phy-rcar-gen3-usb2.c index bc4f7dd821aa..76bb88f0700a 100644 --- a/drivers/phy/phy-rcar-gen3-usb2.c +++ b/drivers/phy/phy-rcar-gen3-usb2.c @@ -12,6 +12,7 @@ * published by the Free Software Foundation. */ +#include <linux/extcon.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> @@ -19,6 +20,7 @@ #include <linux/of_address.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> +#include <linux/regulator/consumer.h> /******* USB2.0 Host registers (original offset is +0x200) *******/ #define USB2_INT_ENABLE 0x000 @@ -74,20 +76,17 @@ #define USB2_ADPCTRL_IDPULLUP BIT(5) /* 1 = ID sampling is enabled */ #define USB2_ADPCTRL_DRVVBUS BIT(4) -struct rcar_gen3_data { - void __iomem *base; - struct clk *clk; -}; - struct rcar_gen3_chan { - struct rcar_gen3_data usb2; + void __iomem *base; + struct extcon_dev *extcon; struct phy *phy; + struct regulator *vbus; bool has_otg; }; static void rcar_gen3_set_host_mode(struct rcar_gen3_chan *ch, int host) { - void __iomem *usb2_base = ch->usb2.base; + void __iomem *usb2_base = ch->base; u32 val = readl(usb2_base + USB2_COMMCTRL); dev_vdbg(&ch->phy->dev, "%s: %08x, %d\n", __func__, val, host); @@ -100,7 +99,7 @@ static void rcar_gen3_set_host_mode(struct rcar_gen3_chan *ch, int host) static void rcar_gen3_set_linectrl(struct rcar_gen3_chan *ch, int dp, int dm) { - void __iomem *usb2_base = ch->usb2.base; + void __iomem *usb2_base = ch->base; u32 val = readl(usb2_base + USB2_LINECTRL1); dev_vdbg(&ch->phy->dev, "%s: %08x, %d, %d\n", __func__, val, dp, dm); @@ -114,7 +113,7 @@ static void rcar_gen3_set_linectrl(struct rcar_gen3_chan *ch, int dp, int dm) static void rcar_gen3_enable_vbus_ctrl(struct rcar_gen3_chan *ch, int vbus) { - void __iomem *usb2_base = ch->usb2.base; + void __iomem *usb2_base = ch->base; u32 val = readl(usb2_base + USB2_ADPCTRL); dev_vdbg(&ch->phy->dev, "%s: %08x, %d\n", __func__, val, vbus); @@ -130,6 +129,9 @@ static void rcar_gen3_init_for_host(struct rcar_gen3_chan *ch) rcar_gen3_set_linectrl(ch, 1, 1); rcar_gen3_set_host_mode(ch, 1); rcar_gen3_enable_vbus_ctrl(ch, 1); + + extcon_set_cable_state_(ch->extcon, EXTCON_USB_HOST, true); + extcon_set_cable_state_(ch->extcon, EXTCON_USB, false); } static void rcar_gen3_init_for_peri(struct rcar_gen3_chan *ch) @@ -137,17 +139,20 @@ static void rcar_gen3_init_for_peri(struct rcar_gen3_chan *ch) rcar_gen3_set_linectrl(ch, 0, 1); rcar_gen3_set_host_mode(ch, 0); rcar_gen3_enable_vbus_ctrl(ch, 0); + + extcon_set_cable_state_(ch->extcon, EXTCON_USB_HOST, false); + extcon_set_cable_state_(ch->extcon, EXTCON_USB, true); } static bool rcar_gen3_check_vbus(struct rcar_gen3_chan *ch) { - return !!(readl(ch->usb2.base + USB2_ADPCTRL) & + return !!(readl(ch->base + USB2_ADPCTRL) & USB2_ADPCTRL_OTGSESSVLD); } static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch) { - return !!(readl(ch->usb2.base + USB2_ADPCTRL) & USB2_ADPCTRL_IDDIG); + return !!(readl(ch->base + USB2_ADPCTRL) & USB2_ADPCTRL_IDDIG); } static void rcar_gen3_device_recognition(struct rcar_gen3_chan *ch) @@ -166,7 +171,7 @@ static void rcar_gen3_device_recognition(struct rcar_gen3_chan *ch) static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch) { - void __iomem *usb2_base = ch->usb2.base; + void __iomem *usb2_base = ch->base; u32 val; val = readl(usb2_base + USB2_VBCTRL); @@ -187,7 +192,7 @@ static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch) static int rcar_gen3_phy_usb2_init(struct phy *p) { struct rcar_gen3_chan *channel = phy_get_drvdata(p); - void __iomem *usb2_base = channel->usb2.base; + void __iomem *usb2_base = channel->base; /* Initialize USB2 part */ writel(USB2_INT_ENABLE_INIT, usb2_base + USB2_INT_ENABLE); @@ -205,7 +210,7 @@ static int rcar_gen3_phy_usb2_exit(struct phy *p) { struct rcar_gen3_chan *channel = phy_get_drvdata(p); - writel(0, channel->usb2.base + USB2_INT_ENABLE); + writel(0, channel->base + USB2_INT_ENABLE); return 0; } @@ -213,8 +218,15 @@ static int rcar_gen3_phy_usb2_exit(struct phy *p) static int rcar_gen3_phy_usb2_power_on(struct phy *p) { struct rcar_gen3_chan *channel = phy_get_drvdata(p); - void __iomem *usb2_base = channel->usb2.base; + void __iomem *usb2_base = channel->base; u32 val; + int ret; + + if (channel->vbus) { + ret = regulator_enable(channel->vbus); + if (ret) + return ret; + } val = readl(usb2_base + USB2_USBCTR); val |= USB2_USBCTR_PLL_RST; @@ -225,17 +237,29 @@ static int rcar_gen3_phy_usb2_power_on(struct phy *p) return 0; } +static int rcar_gen3_phy_usb2_power_off(struct phy *p) +{ + struct rcar_gen3_chan *channel = phy_get_drvdata(p); + int ret = 0; + + if (channel->vbus) + ret = regulator_disable(channel->vbus); + + return ret; +} + static struct phy_ops rcar_gen3_phy_usb2_ops = { .init = rcar_gen3_phy_usb2_init, .exit = rcar_gen3_phy_usb2_exit, .power_on = rcar_gen3_phy_usb2_power_on, + .power_off = rcar_gen3_phy_usb2_power_off, .owner = THIS_MODULE, }; static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch) { struct rcar_gen3_chan *ch = _ch; - void __iomem *usb2_base = ch->usb2.base; + void __iomem *usb2_base = ch->base; u32 status = readl(usb2_base + USB2_OBINTSTA); irqreturn_t ret = IRQ_NONE; @@ -251,10 +275,17 @@ static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch) static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = { { .compatible = "renesas,usb2-phy-r8a7795" }, + { .compatible = "renesas,rcar-gen3-usb2-phy" }, { } }; MODULE_DEVICE_TABLE(of, rcar_gen3_phy_usb2_match_table); +static const unsigned int rcar_gen3_phy_cable[] = { + EXTCON_USB, + EXTCON_USB_HOST, + EXTCON_NONE, +}; + static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -273,18 +304,30 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - channel->usb2.base = devm_ioremap_resource(dev, res); - if (IS_ERR(channel->usb2.base)) - return PTR_ERR(channel->usb2.base); + channel->base = devm_ioremap_resource(dev, res); + if (IS_ERR(channel->base)) + return PTR_ERR(channel->base); /* call request_irq for OTG */ irq = platform_get_irq(pdev, 0); if (irq >= 0) { + int ret; + irq = devm_request_irq(dev, irq, rcar_gen3_phy_usb2_irq, IRQF_SHARED, dev_name(dev), channel); if (irq < 0) dev_err(dev, "No irq handler (%d)\n", irq); channel->has_otg = true; + channel->extcon = devm_extcon_dev_allocate(dev, + rcar_gen3_phy_cable); + if (IS_ERR(channel->extcon)) + return PTR_ERR(channel->extcon); + + ret = devm_extcon_dev_register(dev, channel->extcon); + if (ret < 0) { + dev_err(dev, "Failed to register extcon\n"); + return ret; + } } /* devm_phy_create() will call pm_runtime_enable(dev); */ @@ -294,6 +337,13 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) return PTR_ERR(channel->phy); } + channel->vbus = devm_regulator_get_optional(dev, "vbus"); + if (IS_ERR(channel->vbus)) { + if (PTR_ERR(channel->vbus) == -EPROBE_DEFER) + return PTR_ERR(channel->vbus); + channel->vbus = NULL; + } + phy_set_drvdata(channel->phy, channel); provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c index f62d899063a3..d60b149cff0f 100644 --- a/drivers/phy/phy-rockchip-usb.c +++ b/drivers/phy/phy-rockchip-usb.c @@ -216,7 +216,7 @@ static int rockchip_usb_phy_init(struct rockchip_usb_phy_base *base, init.parent_names = &clk_name; init.num_parents = 1; } else { - init.flags = CLK_IS_ROOT; + init.flags = 0; init.parent_names = NULL; init.num_parents = 0; } diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index df1f1a76a862..01e12d221a8b 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -135,7 +135,7 @@ MODULE_LICENSE("GPL"); /* Field definitions */ #define HCI_ACCEL_MASK 0x7fff #define HCI_HOTKEY_DISABLE 0x0b -#define HCI_HOTKEY_ENABLE 0x01 +#define HCI_HOTKEY_ENABLE 0x09 #define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10 #define HCI_LCD_BRIGHTNESS_BITS 3 #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 5d4d91846357..e165b7ce29d7 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -126,7 +126,7 @@ struct rio_mport_mapping { struct list_head node; struct mport_dev *md; enum rio_mport_map_dir dir; - u32 rioid; + u16 rioid; u64 rio_addr; dma_addr_t phys_addr; /* for mmap */ void *virt_addr; /* kernel address, for dma_free_coherent */ @@ -137,7 +137,7 @@ struct rio_mport_mapping { struct rio_mport_dma_map { int valid; - uint64_t length; + u64 length; void *vaddr; dma_addr_t paddr; }; @@ -208,7 +208,7 @@ struct mport_cdev_priv { struct kfifo event_fifo; wait_queue_head_t event_rx_wait; spinlock_t fifo_lock; - unsigned int event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ + u32 event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ #ifdef CONFIG_RAPIDIO_DMA_ENGINE struct dma_chan *dmach; struct list_head async_list; @@ -276,7 +276,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -298,7 +299,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, offset += 4; } - if (unlikely(copy_to_user(maint_io.buffer, buffer, maint_io.length))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)maint_io.buffer, + buffer, maint_io.length))) ret = -EFAULT; out: vfree(buffer); @@ -319,7 +321,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -327,7 +330,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -ENOMEM; length = maint_io.length; - if (unlikely(copy_from_user(buffer, maint_io.buffer, length))) { + if (unlikely(copy_from_user(buffer, + (void __user *)(uintptr_t)maint_io.buffer, length))) { ret = -EFAULT; goto out; } @@ -360,7 +364,7 @@ out: */ static int rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport *mport = md->mport; @@ -369,7 +373,7 @@ rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%x", rioid, raddr, size); - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -394,7 +398,7 @@ err_map_outb: static int rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport_mapping *map; @@ -433,7 +437,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) dma_addr_t paddr; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%llx", @@ -448,7 +452,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) map.handle = paddr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) return -EFAULT; return 0; } @@ -469,7 +473,7 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_outb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(OBW, "h=0x%llx", handle); @@ -498,9 +502,9 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint16_t hdid; + u16 hdid; - if (copy_from_user(&hdid, arg, sizeof(uint16_t))) + if (copy_from_user(&hdid, arg, sizeof(hdid))) return -EFAULT; md->mport->host_deviceid = hdid; @@ -520,9 +524,9 @@ static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) static int maint_comptag_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t comptag; + u32 comptag; - if (copy_from_user(&comptag, arg, sizeof(uint32_t))) + if (copy_from_user(&comptag, arg, sizeof(comptag))) return -EFAULT; rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag); @@ -837,7 +841,7 @@ err_out: * @xfer: data transfer descriptor structure */ static int -rio_dma_transfer(struct file *filp, uint32_t transfer_mode, +rio_dma_transfer(struct file *filp, u32 transfer_mode, enum rio_transfer_sync sync, enum dma_data_direction dir, struct rio_transfer_io *xfer) { @@ -875,7 +879,7 @@ rio_dma_transfer(struct file *filp, uint32_t transfer_mode, unsigned long offset; long pinned; - offset = (unsigned long)xfer->loc_addr & ~PAGE_MASK; + offset = (unsigned long)(uintptr_t)xfer->loc_addr & ~PAGE_MASK; nr_pages = PAGE_ALIGN(xfer->length + offset) >> PAGE_SHIFT; page_list = kmalloc_array(nr_pages, @@ -1015,19 +1019,20 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) if (unlikely(copy_from_user(&transaction, arg, sizeof(transaction)))) return -EFAULT; - if (transaction.count != 1) + if (transaction.count != 1) /* only single transfer for now */ return -EINVAL; if ((transaction.transfer_mode & priv->md->properties.transfer_mode) == 0) return -ENODEV; - transfer = vmalloc(transaction.count * sizeof(struct rio_transfer_io)); + transfer = vmalloc(transaction.count * sizeof(*transfer)); if (!transfer) return -ENOMEM; - if (unlikely(copy_from_user(transfer, transaction.block, - transaction.count * sizeof(struct rio_transfer_io)))) { + if (unlikely(copy_from_user(transfer, + (void __user *)(uintptr_t)transaction.block, + transaction.count * sizeof(*transfer)))) { ret = -EFAULT; goto out_free; } @@ -1038,8 +1043,9 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) ret = rio_dma_transfer(filp, transaction.transfer_mode, transaction.sync, dir, &transfer[i]); - if (unlikely(copy_to_user(transaction.block, transfer, - transaction.count * sizeof(struct rio_transfer_io)))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)transaction.block, + transfer, + transaction.count * sizeof(*transfer)))) ret = -EFAULT; out_free: @@ -1129,11 +1135,11 @@ err_tmo: } static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp, - uint64_t size, struct rio_mport_mapping **mapping) + u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1165,7 +1171,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) struct rio_mport_mapping *mapping = NULL; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_dma_mem)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping); @@ -1174,7 +1180,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) map.dma_handle = mapping->phys_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_dma_mem)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { mutex_lock(&md->buf_mutex); kref_put(&mapping->ref, mport_release_mapping); mutex_unlock(&md->buf_mutex); @@ -1192,7 +1198,7 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) int ret = -EFAULT; struct rio_mport_mapping *map, *_map; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(EXIT, "filp=%p", filp); @@ -1242,14 +1248,18 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) static int rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport *mport = md->mport; struct rio_mport_mapping *map; int ret; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + /* rio_map_inb_region() accepts u32 size */ + if (size > 0xffffffff) + return -EINVAL; + + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1262,7 +1272,7 @@ rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, if (raddr == RIO_MAP_ANY_ADDR) raddr = map->phys_addr; - ret = rio_map_inb_region(mport, map->phys_addr, raddr, size, 0); + ret = rio_map_inb_region(mport, map->phys_addr, raddr, (u32)size, 0); if (ret < 0) goto err_map_inb; @@ -1288,7 +1298,7 @@ err_dma_alloc: static int rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; @@ -1331,7 +1341,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) if (!md->mport->ops->map_inb) return -EPROTONOSUPPORT; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp); @@ -1344,7 +1354,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) map.handle = mapping->phys_addr; map.rio_addr = mapping->rio_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { /* Delete mapping if it was created by this request */ if (ret == 0 && mapping->filp == filp) { mutex_lock(&md->buf_mutex); @@ -1375,7 +1385,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_inb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; mutex_lock(&md->buf_mutex); @@ -1401,7 +1411,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) static int maint_port_idx_get(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t port_idx = md->mport->index; + u32 port_idx = md->mport->index; rmcd_debug(MPORT, "port_index=%d", port_idx); @@ -1451,7 +1461,7 @@ static void rio_mport_doorbell_handler(struct rio_mport *mport, void *dev_id, handled = 0; spin_lock(&data->db_lock); list_for_each_entry(db_filter, &data->doorbells, data_node) { - if (((db_filter->filter.rioid == 0xffffffff || + if (((db_filter->filter.rioid == RIO_INVALID_DESTID || db_filter->filter.rioid == src)) && info >= db_filter->filter.low && info <= db_filter->filter.high) { @@ -1525,6 +1535,9 @@ static int rio_mport_remove_db_filter(struct mport_cdev_priv *priv, if (copy_from_user(&filter, arg, sizeof(filter))) return -EFAULT; + if (filter.low > filter.high) + return -EINVAL; + spin_lock_irqsave(&priv->md->db_lock, flags); list_for_each_entry(db_filter, &priv->db_filters, priv_node) { if (db_filter->filter.rioid == filter.rioid && @@ -1737,10 +1750,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, return -EEXIST; } - size = sizeof(struct rio_dev); + size = sizeof(*rdev); mport = md->mport; - destid = (u16)dev_info.destid; - hopcount = (u8)dev_info.hopcount; + destid = dev_info.destid; + hopcount = dev_info.hopcount; if (rio_mport_read_config_32(mport, destid, hopcount, RIO_PEF_CAR, &rval)) @@ -1872,8 +1885,8 @@ static int rio_mport_del_riodev(struct mport_cdev_priv *priv, void __user *arg) do { rdev = rio_get_comptag(dev_info.comptag, rdev); if (rdev && rdev->dev.parent == &mport->net->dev && - rdev->destid == (u16)dev_info.destid && - rdev->hopcount == (u8)dev_info.hopcount) + rdev->destid == dev_info.destid && + rdev->hopcount == dev_info.hopcount) break; } while (rdev); } @@ -2146,8 +2159,8 @@ static long mport_cdev_ioctl(struct file *filp, return maint_port_idx_get(data, (void __user *)arg); case RIO_MPORT_GET_PROPERTIES: md->properties.hdid = md->mport->host_deviceid; - if (copy_to_user((void __user *)arg, &(data->md->properties), - sizeof(data->md->properties))) + if (copy_to_user((void __user *)arg, &(md->properties), + sizeof(md->properties))) return -EFAULT; return 0; case RIO_ENABLE_DOORBELL_RANGE: @@ -2159,11 +2172,11 @@ static long mport_cdev_ioctl(struct file *filp, case RIO_DISABLE_PORTWRITE_RANGE: return rio_mport_remove_pw_filter(data, (void __user *)arg); case RIO_SET_EVENT_MASK: - data->event_mask = arg; + data->event_mask = (u32)arg; return 0; case RIO_GET_EVENT_MASK: if (copy_to_user((void __user *)arg, &data->event_mask, - sizeof(data->event_mask))) + sizeof(u32))) return -EFAULT; return 0; case RIO_MAP_OUTBOUND: @@ -2374,7 +2387,7 @@ static ssize_t mport_write(struct file *filp, const char __user *buf, return -EINVAL; ret = rio_mport_send_doorbell(mport, - (u16)event.u.doorbell.rioid, + event.u.doorbell.rioid, event.u.doorbell.payload); if (ret < 0) return ret; @@ -2421,7 +2434,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) struct mport_dev *md; struct rio_mport_attr attr; - md = kzalloc(sizeof(struct mport_dev), GFP_KERNEL); + md = kzalloc(sizeof(*md), GFP_KERNEL); if (!md) { rmcd_error("Unable allocate a device object"); return NULL; @@ -2470,7 +2483,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) /* The transfer_mode property will be returned through mport query * interface */ -#ifdef CONFIG_PPC /* for now: only on Freescale's SoCs */ +#ifdef CONFIG_FSL_RIO /* for now: only on Freescale's SoCs */ md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED; #else md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER; @@ -2669,9 +2682,9 @@ static int __init mport_init(void) /* Create device class needed by udev */ dev_class = class_create(THIS_MODULE, DRV_NAME); - if (!dev_class) { + if (IS_ERR(dev_class)) { rmcd_error("Unable to create " DRV_NAME " class"); - return -EINVAL; + return PTR_ERR(dev_class); } ret = alloc_chrdev_region(&dev_number, 0, RIO_MAX_MPORTS, DRV_NAME); diff --git a/drivers/s390/char/sclp_ctl.c b/drivers/s390/char/sclp_ctl.c index 648cb86afd42..ea607a4a1bdd 100644 --- a/drivers/s390/char/sclp_ctl.c +++ b/drivers/s390/char/sclp_ctl.c @@ -56,6 +56,7 @@ static int sclp_ctl_ioctl_sccb(void __user *user_area) { struct sclp_ctl_sccb ctl_sccb; struct sccb_header *sccb; + unsigned long copied; int rc; if (copy_from_user(&ctl_sccb, user_area, sizeof(ctl_sccb))) @@ -65,14 +66,15 @@ static int sclp_ctl_ioctl_sccb(void __user *user_area) sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!sccb) return -ENOMEM; - if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sizeof(*sccb))) { + copied = PAGE_SIZE - + copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE); + if (offsetof(struct sccb_header, length) + + sizeof(sccb->length) > copied || sccb->length > copied) { rc = -EFAULT; goto out_free; } - if (sccb->length > PAGE_SIZE || sccb->length < 8) - return -EINVAL; - if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sccb->length)) { - rc = -EFAULT; + if (sccb->length < 8) { + rc = -EINVAL; goto out_free; } rc = sclp_sync_request(ctl_sccb.cmdw, sccb); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index f3bb7af4e984..ead83a24bcd1 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -688,6 +688,7 @@ static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr, { struct flowi6 fl; + memset(&fl, 0, sizeof(fl)); if (saddr) memcpy(&fl.saddr, saddr, sizeof(struct in6_addr)); if (daddr) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index 57e781c71e67..837effe19907 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -491,13 +491,14 @@ static int scpsys_probe(struct platform_device *pdev) genpd->dev_ops.active_wakeup = scpsys_active_wakeup; /* - * With CONFIG_PM disabled turn on all domains to make the - * hardware usable. + * Initially turn on all domains to make the domains usable + * with !CONFIG_PM and to get the hardware in sync with the + * software. The unused domains will be switched off during + * late_init time. */ - if (!IS_ENABLED(CONFIG_PM)) - genpd->power_on(genpd); + genpd->power_on(genpd); - pm_genpd_init(genpd, NULL, true); + pm_genpd_init(genpd, NULL, false); } /* diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index b793c04028a3..be72a8e5f221 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -172,9 +172,11 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) static int vpfe_update_pipe_state(struct vpfe_video_device *video) { struct vpfe_pipeline *pipe = &video->pipe; + int ret; - if (vpfe_prepare_pipeline(video)) - return vpfe_prepare_pipeline(video); + ret = vpfe_prepare_pipeline(video); + if (ret) + return ret; /* * Find out if there is any input video @@ -182,9 +184,10 @@ static int vpfe_update_pipe_state(struct vpfe_video_device *video) */ if (pipe->input_num == 0) { pipe->state = VPFE_PIPELINE_STREAM_CONTINUOUS; - if (vpfe_update_current_ext_subdev(video)) { + ret = vpfe_update_current_ext_subdev(video); + if (ret) { pr_err("Invalid external subdev\n"); - return vpfe_update_current_ext_subdev(video); + return ret; } } else { pipe->state = VPFE_PIPELINE_STREAM_SINGLESHOT; @@ -667,6 +670,7 @@ static int vpfe_enum_fmt(struct file *file, void *priv, struct v4l2_subdev *subdev; struct v4l2_format format; struct media_pad *remote; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_enum_fmt\n"); @@ -695,10 +699,11 @@ static int vpfe_enum_fmt(struct file *file, void *priv, sd_fmt.pad = remote->index; sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; /* get output format of remote subdev */ - if (v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt)) { + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt); + if (ret) { v4l2_err(&vpfe_dev->v4l2_dev, "invalid remote subdev for video node\n"); - return v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt); + return ret; } /* convert to pix format */ mbus.code = sd_fmt.format.code; @@ -725,6 +730,7 @@ static int vpfe_s_fmt(struct file *file, void *priv, struct vpfe_video_device *video = video_drvdata(file); struct vpfe_device *vpfe_dev = video->vpfe_dev; struct v4l2_format format; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_fmt\n"); /* If streaming is started, return error */ @@ -733,8 +739,9 @@ static int vpfe_s_fmt(struct file *file, void *priv, return -EBUSY; } /* get adjacent subdev's output pad format */ - if (__vpfe_video_get_format(video, &format)) - return __vpfe_video_get_format(video, &format); + ret = __vpfe_video_get_format(video, &format); + if (ret) + return ret; *fmt = format; video->fmt = *fmt; return 0; @@ -757,11 +764,13 @@ static int vpfe_try_fmt(struct file *file, void *priv, struct vpfe_video_device *video = video_drvdata(file); struct vpfe_device *vpfe_dev = video->vpfe_dev; struct v4l2_format format; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_try_fmt\n"); /* get adjacent subdev's output pad format */ - if (__vpfe_video_get_format(video, &format)) - return __vpfe_video_get_format(video, &format); + ret = __vpfe_video_get_format(video, &format); + if (ret) + return ret; *fmt = format; return 0; @@ -838,8 +847,9 @@ static int vpfe_s_input(struct file *file, void *priv, unsigned int index) v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_input\n"); - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; /* * If streaming is started return device busy * error @@ -940,8 +950,9 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id) v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_std\n"); /* Call decoder driver function to set the standard */ - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; sdinfo = video->current_ext_subdev; /* If streaming is started, return device busy error */ if (video->started) { @@ -1327,8 +1338,9 @@ static int vpfe_reqbufs(struct file *file, void *priv, return -EINVAL; } - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; if (video->io_usrs != 0) { v4l2_err(&vpfe_dev->v4l2_dev, "Only one IO user allowed\n"); @@ -1354,10 +1366,11 @@ static int vpfe_reqbufs(struct file *file, void *priv, q->buf_struct_size = sizeof(struct vpfe_cap_buffer); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - if (vb2_queue_init(q)) { + ret = vb2_queue_init(q); + if (ret) { v4l2_err(&vpfe_dev->v4l2_dev, "vb2_queue_init() failed\n"); vb2_dma_contig_cleanup_ctx(vpfe_dev->pdev); - return vb2_queue_init(q); + return ret; } fh->io_allowed = 1; @@ -1533,8 +1546,9 @@ static int vpfe_streamoff(struct file *file, void *priv, return -EINVAL; } - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; vpfe_stop_capture(video); ret = vb2_streamoff(&video->buffer_queue, buf_type); diff --git a/drivers/staging/rdma/hfi1/TODO b/drivers/staging/rdma/hfi1/TODO index 05de0dad8762..4c6f1d7d2eaf 100644 --- a/drivers/staging/rdma/hfi1/TODO +++ b/drivers/staging/rdma/hfi1/TODO @@ -3,4 +3,4 @@ July, 2015 - Remove unneeded file entries in sysfs - Remove software processing of IB protocol and place in library for use by qib, ipath (if still present), hfi1, and eventually soft-roce - +- Replace incorrect uAPI diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c index 8396dc5fb6c1..c1c5bf82addb 100644 --- a/drivers/staging/rdma/hfi1/file_ops.c +++ b/drivers/staging/rdma/hfi1/file_ops.c @@ -49,6 +49,8 @@ #include <linux/vmalloc.h> #include <linux/io.h> +#include <rdma/ib.h> + #include "hfi.h" #include "pio.h" #include "device.h" @@ -190,6 +192,10 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data, int uctxt_required = 1; int must_be_root = 0; + /* FIXME: This interface cannot continue out of staging */ + if (WARN_ON_ONCE(!ib_safe_file_access(fp))) + return -EACCES; + if (count < sizeof(cmd)) { ret = -EINVAL; goto bail; @@ -791,15 +797,16 @@ static int hfi1_file_close(struct inode *inode, struct file *fp) spin_unlock_irqrestore(&dd->uctxt_lock, flags); dd->rcd[uctxt->ctxt] = NULL; + + hfi1_user_exp_rcv_free(fdata); + hfi1_clear_ctxt_pkey(dd, uctxt->ctxt); + uctxt->rcvwait_to = 0; uctxt->piowait_to = 0; uctxt->rcvnowait = 0; uctxt->pionowait = 0; uctxt->event_flags = 0; - hfi1_user_exp_rcv_free(fdata); - hfi1_clear_ctxt_pkey(dd, uctxt->ctxt); - hfi1_stats.sps_ctxts--; if (++dd->freectxts == dd->num_user_contexts) aspm_enable_all(dd); @@ -1127,27 +1134,13 @@ bail: static int user_init(struct file *fp) { - int ret; unsigned int rcvctrl_ops = 0; struct hfi1_filedata *fd = fp->private_data; struct hfi1_ctxtdata *uctxt = fd->uctxt; /* make sure that the context has already been setup */ - if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) { - ret = -EFAULT; - goto done; - } - - /* - * Subctxts don't need to initialize anything since master - * has done it. - */ - if (fd->subctxt) { - ret = wait_event_interruptible(uctxt->wait, !test_bit( - HFI1_CTXT_MASTER_UNINIT, - &uctxt->event_flags)); - goto expected; - } + if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) + return -EFAULT; /* initialize poll variables... */ uctxt->urgent = 0; @@ -1202,19 +1195,7 @@ static int user_init(struct file *fp) wake_up(&uctxt->wait); } -expected: - /* - * Expected receive has to be setup for all processes (including - * shared contexts). However, it has to be done after the master - * context has been fully configured as it depends on the - * eager/expected split of the RcvArray entries. - * Setting it up here ensures that the subcontexts will be waiting - * (due to the above wait_event_interruptible() until the master - * is setup. - */ - ret = hfi1_user_exp_rcv_init(fp); -done: - return ret; + return 0; } static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len) @@ -1261,7 +1242,7 @@ static int setup_ctxt(struct file *fp) int ret = 0; /* - * Context should be set up only once (including allocation and + * Context should be set up only once, including allocation and * programming of eager buffers. This is done if context sharing * is not requested or by the master process. */ @@ -1282,10 +1263,29 @@ static int setup_ctxt(struct file *fp) if (ret) goto done; } + } else { + ret = wait_event_interruptible(uctxt->wait, !test_bit( + HFI1_CTXT_MASTER_UNINIT, + &uctxt->event_flags)); + if (ret) + goto done; } + ret = hfi1_user_sdma_alloc_queues(uctxt, fp); if (ret) goto done; + /* + * Expected receive has to be setup for all processes (including + * shared contexts). However, it has to be done after the master + * context has been fully configured as it depends on the + * eager/expected split of the RcvArray entries. + * Setting it up here ensures that the subcontexts will be waiting + * (due to the above wait_event_interruptible() until the master + * is setup. + */ + ret = hfi1_user_exp_rcv_init(fp); + if (ret) + goto done; set_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags); done: @@ -1565,29 +1565,8 @@ static loff_t ui_lseek(struct file *filp, loff_t offset, int whence) { struct hfi1_devdata *dd = filp->private_data; - switch (whence) { - case SEEK_SET: - break; - case SEEK_CUR: - offset += filp->f_pos; - break; - case SEEK_END: - offset = ((dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE) - - offset; - break; - default: - return -EINVAL; - } - - if (offset < 0) - return -EINVAL; - - if (offset >= (dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE) - return -EINVAL; - - filp->f_pos = offset; - - return filp->f_pos; + return fixed_size_llseek(filp, offset, whence, + (dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE); } /* NOTE: assumes unsigned long is 8 bytes */ diff --git a/drivers/staging/rdma/hfi1/mmu_rb.c b/drivers/staging/rdma/hfi1/mmu_rb.c index c7ad0164ea9a..b3f0682a36c9 100644 --- a/drivers/staging/rdma/hfi1/mmu_rb.c +++ b/drivers/staging/rdma/hfi1/mmu_rb.c @@ -71,6 +71,7 @@ static inline void mmu_notifier_range_start(struct mmu_notifier *, struct mm_struct *, unsigned long, unsigned long); static void mmu_notifier_mem_invalidate(struct mmu_notifier *, + struct mm_struct *, unsigned long, unsigned long); static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *, unsigned long, unsigned long); @@ -137,7 +138,7 @@ void hfi1_mmu_rb_unregister(struct rb_root *root) rbnode = rb_entry(node, struct mmu_rb_node, node); rb_erase(node, root); if (handler->ops->remove) - handler->ops->remove(root, rbnode, false); + handler->ops->remove(root, rbnode, NULL); } } @@ -176,7 +177,7 @@ unlock: return ret; } -/* Caller must host handler lock */ +/* Caller must hold handler lock */ static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *handler, unsigned long addr, unsigned long len) @@ -200,15 +201,21 @@ static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *handler, return node; } +/* Caller must *not* hold handler lock. */ static void __mmu_rb_remove(struct mmu_rb_handler *handler, - struct mmu_rb_node *node, bool arg) + struct mmu_rb_node *node, struct mm_struct *mm) { + unsigned long flags; + /* Validity of handler and node pointers has been checked by caller. */ hfi1_cdbg(MMU, "Removing node addr 0x%llx, len %u", node->addr, node->len); + spin_lock_irqsave(&handler->lock, flags); __mmu_int_rb_remove(node, handler->root); + spin_unlock_irqrestore(&handler->lock, flags); + if (handler->ops->remove) - handler->ops->remove(handler->root, node, arg); + handler->ops->remove(handler->root, node, mm); } struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *root, unsigned long addr, @@ -231,14 +238,11 @@ struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *root, unsigned long addr, void hfi1_mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node) { struct mmu_rb_handler *handler = find_mmu_handler(root); - unsigned long flags; if (!handler || !node) return; - spin_lock_irqsave(&handler->lock, flags); - __mmu_rb_remove(handler, node, false); - spin_unlock_irqrestore(&handler->lock, flags); + __mmu_rb_remove(handler, node, NULL); } static struct mmu_rb_handler *find_mmu_handler(struct rb_root *root) @@ -260,7 +264,7 @@ unlock: static inline void mmu_notifier_page(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long addr) { - mmu_notifier_mem_invalidate(mn, addr, addr + PAGE_SIZE); + mmu_notifier_mem_invalidate(mn, mm, addr, addr + PAGE_SIZE); } static inline void mmu_notifier_range_start(struct mmu_notifier *mn, @@ -268,25 +272,31 @@ static inline void mmu_notifier_range_start(struct mmu_notifier *mn, unsigned long start, unsigned long end) { - mmu_notifier_mem_invalidate(mn, start, end); + mmu_notifier_mem_invalidate(mn, mm, start, end); } static void mmu_notifier_mem_invalidate(struct mmu_notifier *mn, + struct mm_struct *mm, unsigned long start, unsigned long end) { struct mmu_rb_handler *handler = container_of(mn, struct mmu_rb_handler, mn); struct rb_root *root = handler->root; - struct mmu_rb_node *node; + struct mmu_rb_node *node, *ptr = NULL; unsigned long flags; spin_lock_irqsave(&handler->lock, flags); - for (node = __mmu_int_rb_iter_first(root, start, end - 1); node; - node = __mmu_int_rb_iter_next(node, start, end - 1)) { + for (node = __mmu_int_rb_iter_first(root, start, end - 1); + node; node = ptr) { + /* Guard against node removal. */ + ptr = __mmu_int_rb_iter_next(node, start, end - 1); hfi1_cdbg(MMU, "Invalidating node addr 0x%llx, len %u", node->addr, node->len); - if (handler->ops->invalidate(root, node)) - __mmu_rb_remove(handler, node, true); + if (handler->ops->invalidate(root, node)) { + spin_unlock_irqrestore(&handler->lock, flags); + __mmu_rb_remove(handler, node, mm); + spin_lock_irqsave(&handler->lock, flags); + } } spin_unlock_irqrestore(&handler->lock, flags); } diff --git a/drivers/staging/rdma/hfi1/mmu_rb.h b/drivers/staging/rdma/hfi1/mmu_rb.h index f8523fdb8a18..19a306e83c7d 100644 --- a/drivers/staging/rdma/hfi1/mmu_rb.h +++ b/drivers/staging/rdma/hfi1/mmu_rb.h @@ -59,7 +59,8 @@ struct mmu_rb_node { struct mmu_rb_ops { bool (*filter)(struct mmu_rb_node *, unsigned long, unsigned long); int (*insert)(struct rb_root *, struct mmu_rb_node *); - void (*remove)(struct rb_root *, struct mmu_rb_node *, bool); + void (*remove)(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); int (*invalidate)(struct rb_root *, struct mmu_rb_node *); }; diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c index 29a5ad28019b..dc9119e1b458 100644 --- a/drivers/staging/rdma/hfi1/qp.c +++ b/drivers/staging/rdma/hfi1/qp.c @@ -519,10 +519,12 @@ static void iowait_sdma_drained(struct iowait *wait) * do the flush work until that QP's * sdma work has finished. */ + spin_lock(&qp->s_lock); if (qp->s_flags & RVT_S_WAIT_DMA) { qp->s_flags &= ~RVT_S_WAIT_DMA; hfi1_schedule_send(qp); } + spin_unlock(&qp->s_lock); } /** diff --git a/drivers/staging/rdma/hfi1/user_exp_rcv.c b/drivers/staging/rdma/hfi1/user_exp_rcv.c index 0861e095df8d..8bd56d5c783d 100644 --- a/drivers/staging/rdma/hfi1/user_exp_rcv.c +++ b/drivers/staging/rdma/hfi1/user_exp_rcv.c @@ -87,7 +87,8 @@ static u32 find_phys_blocks(struct page **, unsigned, struct tid_pageset *); static int set_rcvarray_entry(struct file *, unsigned long, u32, struct tid_group *, struct page **, unsigned); static int mmu_rb_insert(struct rb_root *, struct mmu_rb_node *); -static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, bool); +static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); static int mmu_rb_invalidate(struct rb_root *, struct mmu_rb_node *); static int program_rcvarray(struct file *, unsigned long, struct tid_group *, struct tid_pageset *, unsigned, u16, struct page **, @@ -254,6 +255,8 @@ int hfi1_user_exp_rcv_free(struct hfi1_filedata *fd) struct hfi1_ctxtdata *uctxt = fd->uctxt; struct tid_group *grp, *gptr; + if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) + return 0; /* * The notifier would have been removed when the process'es mm * was freed. @@ -899,7 +902,7 @@ static int unprogram_rcvarray(struct file *fp, u32 tidinfo, if (!node || node->rcventry != (uctxt->expected_base + rcventry)) return -EBADF; if (HFI1_CAP_IS_USET(TID_UNMAP)) - mmu_rb_remove(&fd->tid_rb_root, &node->mmu, false); + mmu_rb_remove(&fd->tid_rb_root, &node->mmu, NULL); else hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu); @@ -965,7 +968,7 @@ static void unlock_exp_tids(struct hfi1_ctxtdata *uctxt, continue; if (HFI1_CAP_IS_USET(TID_UNMAP)) mmu_rb_remove(&fd->tid_rb_root, - &node->mmu, false); + &node->mmu, NULL); else hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu); @@ -1032,7 +1035,7 @@ static int mmu_rb_insert(struct rb_root *root, struct mmu_rb_node *node) } static void mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node, - bool notifier) + struct mm_struct *mm) { struct hfi1_filedata *fdata = container_of(root, struct hfi1_filedata, tid_rb_root); diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c index ab6b6a42000f..d53a659548e0 100644 --- a/drivers/staging/rdma/hfi1/user_sdma.c +++ b/drivers/staging/rdma/hfi1/user_sdma.c @@ -278,7 +278,8 @@ static inline void pq_update(struct hfi1_user_sdma_pkt_q *); static void user_sdma_free_request(struct user_sdma_request *, bool); static int pin_vector_pages(struct user_sdma_request *, struct user_sdma_iovec *); -static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned); +static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned, + unsigned); static int check_header_template(struct user_sdma_request *, struct hfi1_pkt_header *, u32, u32); static int set_txreq_header(struct user_sdma_request *, @@ -299,7 +300,8 @@ static int defer_packet_queue( static void activate_packet_queue(struct iowait *, int); static bool sdma_rb_filter(struct mmu_rb_node *, unsigned long, unsigned long); static int sdma_rb_insert(struct rb_root *, struct mmu_rb_node *); -static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *, bool); +static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); static int sdma_rb_invalidate(struct rb_root *, struct mmu_rb_node *); static struct mmu_rb_ops sdma_rb_ops = { @@ -1063,8 +1065,10 @@ static int pin_vector_pages(struct user_sdma_request *req, rb_node = hfi1_mmu_rb_search(&pq->sdma_rb_root, (unsigned long)iovec->iov.iov_base, iovec->iov.iov_len); - if (rb_node) + if (rb_node && !IS_ERR(rb_node)) node = container_of(rb_node, struct sdma_mmu_node, rb); + else + rb_node = NULL; if (!node) { node = kzalloc(sizeof(*node), GFP_KERNEL); @@ -1107,7 +1111,8 @@ retry: goto bail; } if (pinned != npages) { - unpin_vector_pages(current->mm, pages, pinned); + unpin_vector_pages(current->mm, pages, node->npages, + pinned); ret = -EFAULT; goto bail; } @@ -1147,9 +1152,9 @@ bail: } static void unpin_vector_pages(struct mm_struct *mm, struct page **pages, - unsigned npages) + unsigned start, unsigned npages) { - hfi1_release_user_pages(mm, pages, npages, 0); + hfi1_release_user_pages(mm, pages + start, npages, 0); kfree(pages); } @@ -1502,7 +1507,7 @@ static void user_sdma_free_request(struct user_sdma_request *req, bool unpin) &req->pq->sdma_rb_root, (unsigned long)req->iovs[i].iov.iov_base, req->iovs[i].iov.iov_len); - if (!mnode) + if (!mnode || IS_ERR(mnode)) continue; node = container_of(mnode, struct sdma_mmu_node, rb); @@ -1547,7 +1552,7 @@ static int sdma_rb_insert(struct rb_root *root, struct mmu_rb_node *mnode) } static void sdma_rb_remove(struct rb_root *root, struct mmu_rb_node *mnode, - bool notifier) + struct mm_struct *mm) { struct sdma_mmu_node *node = container_of(mnode, struct sdma_mmu_node, rb); @@ -1557,14 +1562,20 @@ static void sdma_rb_remove(struct rb_root *root, struct mmu_rb_node *mnode, node->pq->n_locked -= node->npages; spin_unlock(&node->pq->evict_lock); - unpin_vector_pages(notifier ? NULL : current->mm, node->pages, + /* + * If mm is set, we are being called by the MMU notifier and we + * should not pass a mm_struct to unpin_vector_page(). This is to + * prevent a deadlock when hfi1_release_user_pages() attempts to + * take the mmap_sem, which the MMU notifier has already taken. + */ + unpin_vector_pages(mm ? NULL : current->mm, node->pages, 0, node->npages); /* * If called by the MMU notifier, we have to adjust the pinned * page count ourselves. */ - if (notifier) - current->mm->pinned_vm -= node->npages; + if (mm) + mm->pinned_vm -= node->npages; kfree(node); } diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index 36d07295f8e3..5e820b541506 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -68,12 +68,12 @@ static inline int _step_to_temp(int step) * Every step equals (1 * 200) / 255 celsius, and finally * need convert to millicelsius. */ - return (HISI_TEMP_BASE + (step * 200 / 255)) * 1000; + return (HISI_TEMP_BASE * 1000 + (step * 200000 / 255)); } static inline long _temp_to_step(long temp) { - return ((temp / 1000 - HISI_TEMP_BASE) * 255 / 200); + return ((temp - HISI_TEMP_BASE * 1000) * 255) / 200000; } static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data, diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index f1db49625555..5133cd1e10b7 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -959,7 +959,7 @@ static DEVICE_ATTR(sustainable_power, S_IWUSR | S_IRUGO, sustainable_power_show, struct thermal_zone_device *tz = to_thermal_zone(dev); \ \ if (tz->tzp) \ - return sprintf(buf, "%u\n", tz->tzp->name); \ + return sprintf(buf, "%d\n", tz->tzp->name); \ else \ return -EIO; \ } \ diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 0058d9fbf931..cf0dc51a2690 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -626,7 +626,7 @@ static int pty_unix98_ioctl(struct tty_struct *tty, */ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, - struct inode *ptm_inode, int idx) + struct file *file, int idx) { /* Master must be open via /dev/ptmx */ return ERR_PTR(-EIO); @@ -642,12 +642,12 @@ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, */ static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, - struct inode *pts_inode, int idx) + struct file *file, int idx) { struct tty_struct *tty; mutex_lock(&devpts_mutex); - tty = devpts_get_priv(pts_inode); + tty = devpts_get_priv(file->f_path.dentry); mutex_unlock(&devpts_mutex); /* Master must be open before slave */ if (!tty) @@ -722,7 +722,7 @@ static int ptmx_open(struct inode *inode, struct file *filp) { struct pts_fs_info *fsi; struct tty_struct *tty; - struct inode *slave_inode; + struct dentry *dentry; int retval; int index; @@ -769,14 +769,12 @@ static int ptmx_open(struct inode *inode, struct file *filp) tty_add_file(tty, filp); - slave_inode = devpts_pty_new(fsi, - MKDEV(UNIX98_PTY_SLAVE_MAJOR, index), index, - tty->link); - if (IS_ERR(slave_inode)) { - retval = PTR_ERR(slave_inode); + dentry = devpts_pty_new(fsi, index, tty->link); + if (IS_ERR(dentry)) { + retval = PTR_ERR(dentry); goto err_release; } - tty->link->driver_data = slave_inode; + tty->link->driver_data = dentry; retval = ptm_driver->ops->open(tty, filp); if (retval) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 9b04d72e752e..24d5491ef0da 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1367,12 +1367,12 @@ static ssize_t tty_line_name(struct tty_driver *driver, int index, char *p) * Locking: tty_mutex must be held. If the tty is found, bump the tty kref. */ static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, - struct inode *inode, int idx) + struct file *file, int idx) { struct tty_struct *tty; if (driver->ops->lookup) - tty = driver->ops->lookup(driver, inode, idx); + tty = driver->ops->lookup(driver, file, idx); else tty = driver->ttys[idx]; @@ -2040,7 +2040,7 @@ static struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode, } /* check whether we're reopening an existing tty */ - tty = tty_driver_lookup_tty(driver, inode, index); + tty = tty_driver_lookup_tty(driver, filp, index); if (IS_ERR(tty)) { mutex_unlock(&tty_mutex); goto out; diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 8ed451dd651e..8689dcba5201 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -31,8 +31,6 @@ if USB_SUPPORT config USB_COMMON tristate - default y - depends on USB || USB_GADGET config USB_ARCH_HAS_HCD def_bool y @@ -41,6 +39,7 @@ config USB_ARCH_HAS_HCD config USB tristate "Support for Host-side USB" depends on USB_ARCH_HAS_HCD + select USB_COMMON select NLS # for UTF-8 strings ---help--- Universal Serial Bus (USB) is a specification for a serial bus diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index a2ae88dbda78..4333dc576a12 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -173,10 +173,10 @@ struct uea_softc { const struct firmware *dsp_firm; struct urb *urb_int; - void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); - void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); - int (*stat) (struct uea_softc *); - int (*send_cmvs) (struct uea_softc *); + void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *); + void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *); + int (*stat)(struct uea_softc *); + int (*send_cmvs)(struct uea_softc *); /* keep in sync with eaglectl */ struct uea_stats { @@ -2454,7 +2454,7 @@ UEA_ATTR(firmid, 0); /* Retrieve the device End System Identifier (MAC) */ -static int uea_getesi(struct uea_softc *sc, u_char * esi) +static int uea_getesi(struct uea_softc *sc, u_char *esi) { unsigned char mac_str[2 * ETH_ALEN + 1]; int i; diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 9ce8c9f91674..dedc33e589f4 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -292,10 +292,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM) data->supports_runtime_pm = true; - ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (ret) - goto err_clk; - ret = imx_usbmisc_init(data->usbmisc_data); if (ret) { dev_err(&pdev->dev, "usbmisc init failed, ret=%d\n", ret); diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c index 504708f59b93..9059b7dc185e 100644 --- a/drivers/usb/common/usb-otg-fsm.c +++ b/drivers/usb/common/usb-otg-fsm.c @@ -61,8 +61,6 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol) return 0; } -static int state_changed; - /* Called when leaving a state. Do state clean up jobs here */ static void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state) { @@ -208,7 +206,6 @@ static void otg_start_hnp_polling(struct otg_fsm *fsm) /* Called when entering a state */ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) { - state_changed = 1; if (fsm->otg->state == new_state) return 0; VDBG("Set state: %s\n", usb_otg_state_string(new_state)); @@ -324,6 +321,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state) } fsm->otg->state = new_state; + fsm->state_changed = 1; return 0; } @@ -335,7 +333,7 @@ int otg_statemachine(struct otg_fsm *fsm) mutex_lock(&fsm->lock); state = fsm->otg->state; - state_changed = 0; + fsm->state_changed = 0; /* State machine state change judgement */ switch (state) { @@ -448,7 +446,7 @@ int otg_statemachine(struct otg_fsm *fsm) } mutex_unlock(&fsm->lock); - VDBG("quit statemachine, changed = %d\n", state_changed); - return state_changed; + VDBG("quit statemachine, changed = %d\n", fsm->state_changed); + return fsm->state_changed; } EXPORT_SYMBOL_GPL(otg_statemachine); diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 2741566ee4f2..98e39f91723a 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -122,6 +122,9 @@ void *hcd_buffer_alloc( struct usb_hcd *hcd = bus_to_hcd(bus); int i; + if (size == 0) + return NULL; + /* some USB hosts just use PIO */ if (!IS_ENABLED(CONFIG_HAS_DMA) || (!bus->controller->dma_mask && diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 52c4461dfccd..e9f5043a2167 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -216,7 +216,7 @@ static void usbdev_vm_close(struct vm_area_struct *vma) dec_usb_memory_use_count(usbm, &usbm->vma_use_count); } -struct vm_operations_struct usbdev_vm_ops = { +static struct vm_operations_struct usbdev_vm_ops = { .open = usbdev_vm_open, .close = usbdev_vm_close }; @@ -1316,10 +1316,11 @@ static int proc_getdriver(struct usb_dev_state *ps, void __user *arg) static int proc_connectinfo(struct usb_dev_state *ps, void __user *arg) { - struct usbdevfs_connectinfo ci = { - .devnum = ps->dev->devnum, - .slow = ps->dev->speed == USB_SPEED_LOW - }; + struct usbdevfs_connectinfo ci; + + memset(&ci, 0, sizeof(ci)); + ci.devnum = ps->dev->devnum; + ci.slow = ps->dev->speed == USB_SPEED_LOW; if (copy_to_user(arg, &ci, sizeof(ci))) return -EFAULT; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 2057d91d8336..dadd1e8dfe09 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -284,7 +284,7 @@ static int usb_probe_interface(struct device *dev) struct usb_device *udev = interface_to_usbdev(intf); const struct usb_device_id *id; int error = -ENODEV; - int lpm_disable_error; + int lpm_disable_error = -ENODEV; dev_dbg(dev, "%s\n", __func__); @@ -336,12 +336,14 @@ static int usb_probe_interface(struct device *dev) * setting during probe, that should also be fine. usb_set_interface() * will attempt to disable LPM, and fail if it can't disable it. */ - lpm_disable_error = usb_unlocked_disable_lpm(udev); - if (lpm_disable_error && driver->disable_hub_initiated_lpm) { - dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n.", - __func__, driver->name); - error = lpm_disable_error; - goto err; + if (driver->disable_hub_initiated_lpm) { + lpm_disable_error = usb_unlocked_disable_lpm(udev); + if (lpm_disable_error) { + dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n.", + __func__, driver->name); + error = lpm_disable_error; + goto err; + } } /* Carry out a deferred switch to altsetting 0 */ @@ -391,7 +393,8 @@ static int usb_unbind_interface(struct device *dev) struct usb_interface *intf = to_usb_interface(dev); struct usb_host_endpoint *ep, **eps = NULL; struct usb_device *udev; - int i, j, error, r, lpm_disable_error; + int i, j, error, r; + int lpm_disable_error = -ENODEV; intf->condition = USB_INTERFACE_UNBINDING; @@ -399,12 +402,13 @@ static int usb_unbind_interface(struct device *dev) udev = interface_to_usbdev(intf); error = usb_autoresume_device(udev); - /* Hub-initiated LPM policy may change, so attempt to disable LPM until + /* If hub-initiated LPM policy may change, attempt to disable LPM until * the driver is unbound. If LPM isn't disabled, that's fine because it * wouldn't be enabled unless all the bound interfaces supported * hub-initiated LPM. */ - lpm_disable_error = usb_unlocked_disable_lpm(udev); + if (driver->disable_hub_initiated_lpm) + lpm_disable_error = usb_unlocked_disable_lpm(udev); /* * Terminate all URBs for this interface unless the driver @@ -505,7 +509,7 @@ int usb_driver_claim_interface(struct usb_driver *driver, struct device *dev; struct usb_device *udev; int retval = 0; - int lpm_disable_error; + int lpm_disable_error = -ENODEV; if (!iface) return -ENODEV; @@ -526,12 +530,14 @@ int usb_driver_claim_interface(struct usb_driver *driver, iface->condition = USB_INTERFACE_BOUND; - /* Disable LPM until this driver is bound. */ - lpm_disable_error = usb_unlocked_disable_lpm(udev); - if (lpm_disable_error && driver->disable_hub_initiated_lpm) { - dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.", - __func__, driver->name); - return -ENOMEM; + /* See the comment about disabling LPM in usb_probe_interface(). */ + if (driver->disable_hub_initiated_lpm) { + lpm_disable_error = usb_unlocked_disable_lpm(udev); + if (lpm_disable_error) { + dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.", + __func__, driver->name); + return -ENOMEM; + } } /* Claimed interfaces are initially inactive (suspended) and diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 2ca2cef7f681..34b837ae1ed7 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -994,7 +994,7 @@ static void usb_bus_init (struct usb_bus *bus) bus->bandwidth_allocated = 0; bus->bandwidth_int_reqs = 0; bus->bandwidth_isoc_reqs = 0; - mutex_init(&bus->usb_address0_mutex); + mutex_init(&bus->devnum_next_mutex); } /*-------------------------------------------------------------------------*/ @@ -1118,6 +1118,7 @@ static int register_root_hub(struct usb_hcd *hcd) /* Did the HC die before the root hub was registered? */ if (HCD_DEAD(hcd)) usb_hc_died (hcd); /* This time clean up */ + usb_dev->dev.of_node = parent_dev->of_node; } mutex_unlock(&usb_bus_idr_lock); @@ -2521,6 +2522,14 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver, return NULL; } if (primary_hcd == NULL) { + hcd->address0_mutex = kmalloc(sizeof(*hcd->address0_mutex), + GFP_KERNEL); + if (!hcd->address0_mutex) { + kfree(hcd); + dev_dbg(dev, "hcd address0 mutex alloc failed\n"); + return NULL; + } + mutex_init(hcd->address0_mutex); hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex), GFP_KERNEL); if (!hcd->bandwidth_mutex) { @@ -2532,6 +2541,7 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver, dev_set_drvdata(dev, hcd); } else { mutex_lock(&usb_port_peer_mutex); + hcd->address0_mutex = primary_hcd->address0_mutex; hcd->bandwidth_mutex = primary_hcd->bandwidth_mutex; hcd->primary_hcd = primary_hcd; primary_hcd->primary_hcd = primary_hcd; @@ -2598,8 +2608,10 @@ static void hcd_release(struct kref *kref) struct usb_hcd *hcd = container_of (kref, struct usb_hcd, kref); mutex_lock(&usb_port_peer_mutex); - if (usb_hcd_is_primary_hcd(hcd)) + if (usb_hcd_is_primary_hcd(hcd)) { + kfree(hcd->address0_mutex); kfree(hcd->bandwidth_mutex); + } if (hcd->shared_hcd) { struct usb_hcd *peer = hcd->shared_hcd; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 38cc4bae0a82..bee13517676f 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -104,6 +104,8 @@ static int usb_reset_and_verify_device(struct usb_device *udev); static inline char *portspeed(struct usb_hub *hub, int portstatus) { + if (hub_is_superspeedplus(hub->hdev)) + return "10.0 Gb/s"; if (hub_is_superspeed(hub->hdev)) return "5.0 Gb/s"; if (portstatus & USB_PORT_STAT_HIGH_SPEED) @@ -2080,7 +2082,7 @@ static void choose_devnum(struct usb_device *udev) struct usb_bus *bus = udev->bus; /* be safe when more hub events are proceed in parallel */ - mutex_lock(&bus->usb_address0_mutex); + mutex_lock(&bus->devnum_next_mutex); if (udev->wusb) { devnum = udev->portnum + 1; BUG_ON(test_bit(devnum, bus->devmap.devicemap)); @@ -2098,7 +2100,7 @@ static void choose_devnum(struct usb_device *udev) set_bit(devnum, bus->devmap.devicemap); udev->devnum = devnum; } - mutex_unlock(&bus->usb_address0_mutex); + mutex_unlock(&bus->devnum_next_mutex); } static void release_devnum(struct usb_device *udev) @@ -4364,7 +4366,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, if (oldspeed == USB_SPEED_LOW) delay = HUB_LONG_RESET_TIME; - mutex_lock(&hdev->bus->usb_address0_mutex); + mutex_lock(hcd->address0_mutex); /* Reset the device; full speed may morph to high speed */ /* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */ @@ -4650,7 +4652,7 @@ fail: hub_port_disable(hub, port1, 0); update_devnum(udev, devnum); /* for disconnect processing */ } - mutex_unlock(&hdev->bus->usb_address0_mutex); + mutex_unlock(hcd->address0_mutex); return retval; } diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 8e641b5893ed..ea681f157368 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -302,9 +302,10 @@ static void sg_complete(struct urb *urb) */ spin_unlock(&io->lock); for (i = 0, found = 0; i < io->entries; i++) { - if (!io->urbs[i] || !io->urbs[i]->dev) + if (!io->urbs[i]) continue; if (found) { + usb_block_urb(io->urbs[i]); retval = usb_unlink_urb(io->urbs[i]); if (retval != -EINPROGRESS && retval != -ENODEV && @@ -515,12 +516,10 @@ void usb_sg_wait(struct usb_sg_request *io) int retval; io->urbs[i]->dev = io->dev; - retval = usb_submit_urb(io->urbs[i], GFP_ATOMIC); - - /* after we submit, let completions or cancellations fire; - * we handshake using io->status. - */ spin_unlock_irq(&io->lock); + + retval = usb_submit_urb(io->urbs[i], GFP_NOIO); + switch (retval) { /* maybe we retrying will recover */ case -ENXIO: /* hc didn't queue this one */ @@ -578,31 +577,28 @@ EXPORT_SYMBOL_GPL(usb_sg_wait); void usb_sg_cancel(struct usb_sg_request *io) { unsigned long flags; + int i, retval; spin_lock_irqsave(&io->lock, flags); + if (io->status) { + spin_unlock_irqrestore(&io->lock, flags); + return; + } + /* shut everything down */ + io->status = -ECONNRESET; + spin_unlock_irqrestore(&io->lock, flags); - /* shut everything down, if it didn't already */ - if (!io->status) { - int i; - - io->status = -ECONNRESET; - spin_unlock(&io->lock); - for (i = 0; i < io->entries; i++) { - int retval; + for (i = io->entries - 1; i >= 0; --i) { + usb_block_urb(io->urbs[i]); - if (!io->urbs[i]->dev) - continue; - retval = usb_unlink_urb(io->urbs[i]); - if (retval != -EINPROGRESS - && retval != -ENODEV - && retval != -EBUSY - && retval != -EIDRM) - dev_warn(&io->dev->dev, "%s, unlink --> %d\n", - __func__, retval); - } - spin_lock(&io->lock); + retval = usb_unlink_urb(io->urbs[i]); + if (retval != -EINPROGRESS + && retval != -ENODEV + && retval != -EBUSY + && retval != -EIDRM) + dev_warn(&io->dev->dev, "%s, unlink --> %d\n", + __func__, retval); } - spin_unlock_irqrestore(&io->lock, flags); } EXPORT_SYMBOL_GPL(usb_sg_cancel); diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 14718a9ffcfb..460c855be0d0 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -249,18 +249,12 @@ static int usb_port_runtime_suspend(struct device *dev) return retval; } - -static int usb_port_prepare(struct device *dev) -{ - return 1; -} #endif static const struct dev_pm_ops usb_port_pm_ops = { #ifdef CONFIG_PM .runtime_suspend = usb_port_runtime_suspend, .runtime_resume = usb_port_runtime_resume, - .prepare = usb_port_prepare, #endif }; diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index dcb85e3cd5a7..5e80697ef952 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -312,13 +312,7 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) static int usb_dev_prepare(struct device *dev) { - struct usb_device *udev = to_usb_device(dev); - - /* Return 0 if the current wakeup setting is wrong, otherwise 1 */ - if (udev->do_remote_wakeup != device_may_wakeup(dev)) - return 0; - - return 1; + return 0; /* Implement eventually? */ } static void usb_dev_complete(struct device *dev) @@ -472,7 +466,6 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, dev->route = 0; dev->dev.parent = bus->controller; - dev->dev.of_node = bus->controller->of_node; dev_set_name(&dev->dev, "usb%d", bus->busnum); root_hub = 1; } else { diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 818f158232bb..4c5e3005e1dc 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2425,6 +2425,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) u32 gintsts; u32 gintmsk; + if (!dwc2_is_device_mode(hsotg)) + return IRQ_NONE; + spin_lock(&hsotg->lock); irq_retry: gintsts = dwc2_readl(hsotg->regs + GINTSTS); @@ -2631,7 +2634,10 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep, desc->wMaxPacketSize, desc->bInterval); /* not to be called for EP0 */ - WARN_ON(index == 0); + if (index == 0) { + dev_err(hsotg->dev, "%s: called for EP 0\n", __func__); + return -EINVAL; + } dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0; if (dir_in != hs_ep->dir_in) { diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 1f6255131857..2df3d04d26f5 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -4703,6 +4703,7 @@ fail2: spin_unlock_irqrestore(&hsotg->lock, flags); urb->hcpriv = NULL; kfree(qtd); + qtd = NULL; fail1: if (qh_allocated) { struct dwc2_qtd *qtd2, *qtd2_tmp; diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 89fa26cb25f4..7758bfb644ff 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -552,6 +552,7 @@ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg, { list_del(&qtd->qtd_list_entry); kfree(qtd); + qtd = NULL; } /* Descriptor DMA support functions */ diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 7f634fd771c7..b5c7793a2df2 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -1709,7 +1709,8 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) dwc2_deschedule_periodic(hsotg, qh); hsotg->periodic_qh_count--; - if (!hsotg->periodic_qh_count) { + if (!hsotg->periodic_qh_count && + hsotg->core_params->dma_desc_enable <= 0) { intr_mask = dwc2_readl(hsotg->regs + GINTMSK); intr_mask &= ~GINTSTS_SOF; dwc2_writel(intr_mask, hsotg->regs + GINTMSK); diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 88629bed6614..fc6f5251de5d 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -562,7 +562,7 @@ static int dwc2_driver_probe(struct platform_device *dev) retval = dwc2_get_dr_mode(hsotg); if (retval) - return retval; + goto error; /* * Reset before dwc2_get_hwparams() then it could get power-on real diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 34277ced26bd..a590cd225bb7 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -60,6 +60,20 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) dwc3_writel(dwc->regs, DWC3_GCTL, reg); } +u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type) +{ + struct dwc3 *dwc = dep->dwc; + u32 reg; + + dwc3_writel(dwc->regs, DWC3_GDBGFIFOSPACE, + DWC3_GDBGFIFOSPACE_NUM(dep->number) | + DWC3_GDBGFIFOSPACE_TYPE(type)); + + reg = dwc3_readl(dwc->regs, DWC3_GDBGFIFOSPACE); + + return DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(reg); +} + /** * dwc3_core_soft_reset - Issues core soft reset and PHY reset * @dwc: pointer to our context structure @@ -203,13 +217,10 @@ static struct dwc3_event_buffer *dwc3_alloc_one_event_buffer(struct dwc3 *dwc, static void dwc3_free_event_buffers(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; - int i; - for (i = 0; i < dwc->num_event_buffers; i++) { - evt = dwc->ev_buffs[i]; - if (evt) - dwc3_free_one_event_buffer(dwc, evt); - } + evt = dwc->ev_buf; + if (evt) + dwc3_free_one_event_buffer(dwc, evt); } /** @@ -222,27 +233,14 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) */ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) { - int num; - int i; - - num = DWC3_NUM_INT(dwc->hwparams.hwparams1); - dwc->num_event_buffers = num; - - dwc->ev_buffs = devm_kzalloc(dwc->dev, sizeof(*dwc->ev_buffs) * num, - GFP_KERNEL); - if (!dwc->ev_buffs) - return -ENOMEM; - - for (i = 0; i < num; i++) { - struct dwc3_event_buffer *evt; + struct dwc3_event_buffer *evt; - evt = dwc3_alloc_one_event_buffer(dwc, length); - if (IS_ERR(evt)) { - dev_err(dwc->dev, "can't allocate event buffer\n"); - return PTR_ERR(evt); - } - dwc->ev_buffs[i] = evt; + evt = dwc3_alloc_one_event_buffer(dwc, length); + if (IS_ERR(evt)) { + dev_err(dwc->dev, "can't allocate event buffer\n"); + return PTR_ERR(evt); } + dwc->ev_buf = evt; return 0; } @@ -256,25 +254,22 @@ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) static int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; - int n; - for (n = 0; n < dwc->num_event_buffers; n++) { - evt = dwc->ev_buffs[n]; - dwc3_trace(trace_dwc3_core, - "Event buf %p dma %08llx length %d\n", - evt->buf, (unsigned long long) evt->dma, - evt->length); - - evt->lpos = 0; - - dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), - lower_32_bits(evt->dma)); - dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), - upper_32_bits(evt->dma)); - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), - DWC3_GEVNTSIZ_SIZE(evt->length)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); - } + evt = dwc->ev_buf; + dwc3_trace(trace_dwc3_core, + "Event buf %p dma %08llx length %d\n", + evt->buf, (unsigned long long) evt->dma, + evt->length); + + evt->lpos = 0; + + dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(0), + lower_32_bits(evt->dma)); + dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), + upper_32_bits(evt->dma)); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), + DWC3_GEVNTSIZ_SIZE(evt->length)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); return 0; } @@ -282,19 +277,16 @@ static int dwc3_event_buffers_setup(struct dwc3 *dwc) static void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; - int n; - for (n = 0; n < dwc->num_event_buffers; n++) { - evt = dwc->ev_buffs[n]; + evt = dwc->ev_buf; - evt->lpos = 0; + evt->lpos = 0; - dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), 0); - dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), 0); - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), DWC3_GEVNTSIZ_INTMASK - | DWC3_GEVNTSIZ_SIZE(0)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); - } + dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(0), 0); + dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), 0); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_INTMASK + | DWC3_GEVNTSIZ_SIZE(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); } static int dwc3_alloc_scratch_buffers(struct dwc3 *dwc) @@ -434,6 +426,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc) if (dwc->u2ss_inp3_quirk) reg |= DWC3_GUSB3PIPECTL_U2SSINP3OK; + if (dwc->dis_rxdet_inp3_quirk) + reg |= DWC3_GUSB3PIPECTL_DISRXDETINP3; + if (dwc->req_p1p2p3_quirk) reg |= DWC3_GUSB3PIPECTL_REQP1P2P3; @@ -882,9 +877,6 @@ static int dwc3_probe(struct platform_device *pdev) dwc->usb3_lpm_capable = device_property_read_bool(dev, "snps,usb3_lpm_capable"); - dwc->needs_fifo_resize = device_property_read_bool(dev, - "tx-fifo-resize"); - dwc->disable_scramble_quirk = device_property_read_bool(dev, "snps,disable_scramble_quirk"); dwc->u2exit_lfps_quirk = device_property_read_bool(dev, @@ -907,6 +899,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,dis_u2_susphy_quirk"); dwc->dis_enblslpm_quirk = device_property_read_bool(dev, "snps,dis_enblslpm_quirk"); + dwc->dis_rxdet_inp3_quirk = device_property_read_bool(dev, + "snps,dis_rxdet_inp3_quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); @@ -926,7 +920,6 @@ static int dwc3_probe(struct platform_device *pdev) if (pdata->hird_threshold) hird_threshold = pdata->hird_threshold; - dwc->needs_fifo_resize = pdata->tx_fifo_resize; dwc->usb3_lpm_capable = pdata->usb3_lpm_capable; dwc->dr_mode = pdata->dr_mode; @@ -941,6 +934,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk; dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk; dwc->dis_enblslpm_quirk = pdata->dis_enblslpm_quirk; + dwc->dis_rxdet_inp3_quirk = pdata->dis_rxdet_inp3_quirk; dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk; if (pdata->tx_de_emphasis) @@ -1050,19 +1044,11 @@ static int dwc3_probe(struct platform_device *pdev) if (ret) goto err5; - ret = dwc3_debugfs_init(dwc); - if (ret) { - dev_err(dev, "failed to initialize debugfs\n"); - goto err6; - } - + dwc3_debugfs_init(dwc); pm_runtime_allow(dev); return 0; -err6: - dwc3_core_exit_mode(dwc); - err5: dwc3_event_buffers_cleanup(dwc); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 6254b2ff9080..7ddf9449a063 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -152,6 +152,24 @@ /* Bit fields */ +/* Global Debug Queue/FIFO Space Available Register */ +#define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) +#define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) +#define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff) + +#define DWC3_TXFIFOQ 1 +#define DWC3_RXFIFOQ 3 +#define DWC3_TXREQQ 5 +#define DWC3_RXREQQ 7 +#define DWC3_RXINFOQ 9 +#define DWC3_DESCFETCHQ 13 +#define DWC3_EVENTQ 15 + +/* Global RX Threshold Configuration Register */ +#define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19) +#define DWC3_GRXTHRCFG_RXPKTCNT(n) (((n) & 0xf) << 24) +#define DWC3_GRXTHRCFG_PKTCNTSEL (1 << 29) + /* Global Configuration Register */ #define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19) #define DWC3_GCTL_U2RSTECN (1 << 16) @@ -193,6 +211,7 @@ /* Global USB3 PIPE Control Register */ #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) #define DWC3_GUSB3PIPECTL_U2SSINP3OK (1 << 29) +#define DWC3_GUSB3PIPECTL_DISRXDETINP3 (1 << 28) #define DWC3_GUSB3PIPECTL_REQP1P2P3 (1 << 24) #define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19) #define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7) @@ -257,6 +276,9 @@ #define DWC3_DCFG_LOWSPEED (2 << 0) #define DWC3_DCFG_FULLSPEED1 (3 << 0) +#define DWC3_DCFG_NUMP_SHIFT 17 +#define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f) +#define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT) #define DWC3_DCFG_LPM_CAP (1 << 22) /* Device Control Register */ @@ -438,18 +460,17 @@ struct dwc3_event_buffer { #define DWC3_EP_DIRECTION_TX true #define DWC3_EP_DIRECTION_RX false -#define DWC3_TRB_NUM 32 -#define DWC3_TRB_MASK (DWC3_TRB_NUM - 1) +#define DWC3_TRB_NUM 256 /** * struct dwc3_ep - device side endpoint representation * @endpoint: usb endpoint - * @request_list: list of requests for this endpoint - * @req_queued: list of requests on this ep which have TRBs setup + * @pending_list: list of pending requests for this endpoint + * @started_list: list of started requests on this endpoint * @trb_pool: array of transaction buffers * @trb_pool_dma: dma address of @trb_pool - * @free_slot: next slot which is going to be used - * @busy_slot: first slot which is owned by HW + * @trb_enqueue: enqueue 'pointer' into TRB array + * @trb_dequeue: dequeue 'pointer' into TRB array * @desc: usb_endpoint_descriptor pointer * @dwc: pointer to DWC controller * @saved_state: ep state saved during hibernation @@ -464,13 +485,11 @@ struct dwc3_event_buffer { */ struct dwc3_ep { struct usb_ep endpoint; - struct list_head request_list; - struct list_head req_queued; + struct list_head pending_list; + struct list_head started_list; struct dwc3_trb *trb_pool; dma_addr_t trb_pool_dma; - u32 free_slot; - u32 busy_slot; const struct usb_ss_ep_comp_descriptor *comp_desc; struct dwc3 *dwc; @@ -486,6 +505,18 @@ struct dwc3_ep { /* This last one is specific to EP0 */ #define DWC3_EP0_DIR_IN (1 << 31) + /* + * IMPORTANT: we *know* we have 256 TRBs in our @trb_pool, so we will + * use a u8 type here. If anybody decides to increase number of TRBs to + * anything larger than 256 - I can't see why people would want to do + * this though - then this type needs to be changed. + * + * By using u8 types we ensure that our % operator when incrementing + * enqueue and dequeue get optimized away by the compiler. + */ + u8 trb_enqueue; + u8 trb_dequeue; + u8 number; u8 type; u8 resource_index; @@ -557,6 +588,7 @@ enum dwc3_link_state { #define DWC3_TRB_CTRL_IOC (1 << 11) #define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14) +#define DWC3_TRBCTL_TYPE(n) ((n) & (0x3f << 4)) #define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1) #define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2) #define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3) @@ -623,19 +655,32 @@ struct dwc3_hwparams { /* HWPARAMS7 */ #define DWC3_RAM1_DEPTH(n) ((n) & 0xffff) +/** + * struct dwc3_request - representation of a transfer request + * @request: struct usb_request to be transferred + * @list: a list_head used for request queueing + * @dep: struct dwc3_ep owning this request + * @first_trb_index: index to first trb used by this request + * @epnum: endpoint number to which this request refers + * @trb: pointer to struct dwc3_trb + * @trb_dma: DMA address of @trb + * @direction: IN or OUT direction flag + * @mapped: true when request has been dma-mapped + * @queued: true when request has been queued to HW + */ struct dwc3_request { struct usb_request request; struct list_head list; struct dwc3_ep *dep; - u32 start_slot; + u8 first_trb_index; u8 epnum; struct dwc3_trb *trb; dma_addr_t trb_dma; unsigned direction:1; unsigned mapped:1; - unsigned queued:1; + unsigned started:1; }; /* @@ -667,7 +712,6 @@ struct dwc3_scratchpad_array { * @regs: base address for our registers * @regs_size: address space size * @nr_scratch: number of scratch buffers - * @num_event_buffers: calculated number of event buffers * @u1u2: only used on revisions <1.83a for workaround * @maximum_speed: maximum speed requested (mainly for testing purposes) * @revision: revision register contents @@ -709,9 +753,7 @@ struct dwc3_scratchpad_array { * 0 - utmi_sleep_n * 1 - utmi_l1_suspend_n * @is_fpga: true when we are using the FPGA board - * @needs_fifo_resize: not all users might want fifo resizing, flag it * @pullups_connected: true when Run/Stop bit is set - * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes. * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround * @start_config_issued: true when StartConfig command has been issued * @three_stage_setup: set if we perform a three phase setup @@ -756,7 +798,7 @@ struct dwc3 { struct platform_device *xhci; struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM]; - struct dwc3_event_buffer **ev_buffs; + struct dwc3_event_buffer *ev_buf; struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM]; struct usb_gadget gadget; @@ -780,7 +822,6 @@ struct dwc3 { u32 gctl; u32 nr_scratch; - u32 num_event_buffers; u32 u1u2; u32 maximum_speed; @@ -855,9 +896,7 @@ struct dwc3 { unsigned has_lpm_erratum:1; unsigned is_utmi_l1_suspend:1; unsigned is_fpga:1; - unsigned needs_fifo_resize:1; unsigned pullups_connected:1; - unsigned resize_fifos:1; unsigned setup_packet_pending:1; unsigned three_stage_setup:1; unsigned usb3_lpm_capable:1; @@ -873,6 +912,7 @@ struct dwc3 { unsigned dis_u3_susphy_quirk:1; unsigned dis_u2_susphy_quirk:1; unsigned dis_enblslpm_quirk:1; + unsigned dis_rxdet_inp3_quirk:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2; @@ -938,6 +978,10 @@ struct dwc3_event_depevt { #define DEPEVT_STATUS_CONTROL_DATA 1 #define DEPEVT_STATUS_CONTROL_STATUS 2 +/* In response to Start Transfer */ +#define DEPEVT_TRANSFER_NO_RESOURCE 1 +#define DEPEVT_TRANSFER_BUS_EXPIRY 2 + u32 parameters:16; } __packed; @@ -1025,7 +1069,7 @@ struct dwc3_gadget_ep_cmd_params { /* prototypes */ void dwc3_set_mode(struct dwc3 *dwc, u32 mode); -int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); +u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type); /* check whether we are on the DWC_usb31 core */ static inline bool dwc3_is_usb31(struct dwc3 *dwc) diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 07fbc2d94fd4..71e318025964 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -217,11 +217,11 @@ static inline const char *dwc3_gadget_event_type_string(u8 event) void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...); #ifdef CONFIG_DEBUG_FS -extern int dwc3_debugfs_init(struct dwc3 *); +extern void dwc3_debugfs_init(struct dwc3 *); extern void dwc3_debugfs_exit(struct dwc3 *); #else -static inline int dwc3_debugfs_init(struct dwc3 *d) -{ return 0; } +static inline void dwc3_debugfs_init(struct dwc3 *d) +{ } static inline void dwc3_debugfs_exit(struct dwc3 *d) { } #endif diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index cebf9e38b60a..b1dd3c6d7ef7 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -618,24 +618,323 @@ static const struct file_operations dwc3_link_state_fops = { .release = single_release, }; -int dwc3_debugfs_init(struct dwc3 *dwc) +struct dwc3_ep_file_map { + char name[25]; + int (*show)(struct seq_file *s, void *unused); +}; + +static int dwc3_tx_fifo_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_TXFIFOQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_rx_fifo_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_RXFIFOQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_tx_request_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_TXREQQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_rx_request_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_RXREQQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_rx_info_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_RXINFOQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_descriptor_fetch_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_DESCFETCHQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_event_queue_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&dwc->lock, flags); + val = dwc3_core_fifo_space(dep, DWC3_EVENTQ); + seq_printf(s, "%u\n", val); + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static int dwc3_ep_transfer_type_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + + spin_lock_irqsave(&dwc->lock, flags); + if (!(dep->flags & DWC3_EP_ENABLED) || + !dep->endpoint.desc) { + seq_printf(s, "--\n"); + goto out; + } + + switch (usb_endpoint_type(dep->endpoint.desc)) { + case USB_ENDPOINT_XFER_CONTROL: + seq_printf(s, "control\n"); + break; + case USB_ENDPOINT_XFER_ISOC: + seq_printf(s, "isochronous\n"); + break; + case USB_ENDPOINT_XFER_BULK: + seq_printf(s, "bulk\n"); + break; + case USB_ENDPOINT_XFER_INT: + seq_printf(s, "interrupt\n"); + break; + default: + seq_printf(s, "--\n"); + } + +out: + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static inline const char *dwc3_trb_type_string(struct dwc3_trb *trb) +{ + switch (DWC3_TRBCTL_TYPE(trb->ctrl)) { + case DWC3_TRBCTL_NORMAL: + return "normal"; + case DWC3_TRBCTL_CONTROL_SETUP: + return "control-setup"; + case DWC3_TRBCTL_CONTROL_STATUS2: + return "control-status2"; + case DWC3_TRBCTL_CONTROL_STATUS3: + return "control-status3"; + case DWC3_TRBCTL_CONTROL_DATA: + return "control-data"; + case DWC3_TRBCTL_ISOCHRONOUS_FIRST: + return "isoc-first"; + case DWC3_TRBCTL_ISOCHRONOUS: + return "isoc"; + case DWC3_TRBCTL_LINK_TRB: + return "link"; + default: + return "UNKNOWN"; + } +} + +static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused) +{ + struct dwc3_ep *dep = s->private; + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + int i; + + spin_lock_irqsave(&dwc->lock, flags); + if (dep->number <= 1) { + seq_printf(s, "--\n"); + goto out; + } + + seq_printf(s, "enqueue pointer %d\n", dep->trb_enqueue); + seq_printf(s, "dequeue pointer %d\n", dep->trb_dequeue); + seq_printf(s, "\n--------------------------------------------------\n\n"); + seq_printf(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n"); + + for (i = 0; i < DWC3_TRB_NUM; i++) { + struct dwc3_trb *trb = &dep->trb_pool[i]; + + seq_printf(s, "%08x%08x,%d,%s,%d,%d,%d,%d,%d,%d\n", + trb->bph, trb->bpl, trb->size, + dwc3_trb_type_string(trb), + !!(trb->ctrl & DWC3_TRB_CTRL_IOC), + !!(trb->ctrl & DWC3_TRB_CTRL_ISP_IMI), + !!(trb->ctrl & DWC3_TRB_CTRL_CSP), + !!(trb->ctrl & DWC3_TRB_CTRL_CHN), + !!(trb->ctrl & DWC3_TRB_CTRL_LST), + !!(trb->ctrl & DWC3_TRB_CTRL_HWO)); + } + +out: + spin_unlock_irqrestore(&dwc->lock, flags); + + return 0; +} + +static struct dwc3_ep_file_map map[] = { + { "tx_fifo_queue", dwc3_tx_fifo_queue_show, }, + { "rx_fifo_queue", dwc3_rx_fifo_queue_show, }, + { "tx_request_queue", dwc3_tx_request_queue_show, }, + { "rx_request_queue", dwc3_rx_request_queue_show, }, + { "rx_info_queue", dwc3_rx_info_queue_show, }, + { "descriptor_fetch_queue", dwc3_descriptor_fetch_queue_show, }, + { "event_queue", dwc3_event_queue_show, }, + { "transfer_type", dwc3_ep_transfer_type_show, }, + { "trb_ring", dwc3_ep_trb_ring_show, }, +}; + +static int dwc3_endpoint_open(struct inode *inode, struct file *file) +{ + const char *file_name = file_dentry(file)->d_iname; + struct dwc3_ep_file_map *f_map; + int i; + + for (i = 0; i < ARRAY_SIZE(map); i++) { + f_map = &map[i]; + + if (strcmp(f_map->name, file_name) == 0) + break; + } + + return single_open(file, f_map->show, inode->i_private); +} + +static const struct file_operations dwc3_endpoint_fops = { + .open = dwc3_endpoint_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void dwc3_debugfs_create_endpoint_file(struct dwc3_ep *dep, + struct dentry *parent, int type) { - struct dentry *root; struct dentry *file; - int ret; + struct dwc3_ep_file_map *ep_file = &map[type]; - root = debugfs_create_dir(dev_name(dwc->dev), NULL); - if (!root) { - ret = -ENOMEM; - goto err0; + file = debugfs_create_file(ep_file->name, S_IRUGO, parent, dep, + &dwc3_endpoint_fops); +} + +static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep, + struct dentry *parent) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(map); i++) + dwc3_debugfs_create_endpoint_file(dep, parent, i); +} + +static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep, + struct dentry *parent) +{ + struct dentry *dir; + + dir = debugfs_create_dir(dep->name, parent); + if (IS_ERR_OR_NULL(dir)) + return; + + dwc3_debugfs_create_endpoint_files(dep, dir); +} + +static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc, + struct dentry *parent) +{ + int i; + + for (i = 0; i < dwc->num_in_eps; i++) { + u8 epnum = (i << 1) | 1; + struct dwc3_ep *dep = dwc->eps[epnum]; + + if (!dep) + continue; + + dwc3_debugfs_create_endpoint_dir(dep, parent); + } + + for (i = 0; i < dwc->num_out_eps; i++) { + u8 epnum = (i << 1); + struct dwc3_ep *dep = dwc->eps[epnum]; + + if (!dep) + continue; + + dwc3_debugfs_create_endpoint_dir(dep, parent); } +} + +void dwc3_debugfs_init(struct dwc3 *dwc) +{ + struct dentry *root; + struct dentry *file; + root = debugfs_create_dir(dev_name(dwc->dev), NULL); + if (IS_ERR_OR_NULL(root)) { + if (!root) + dev_err(dwc->dev, "Can't create debugfs root\n"); + return; + } dwc->root = root; dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL); if (!dwc->regset) { - ret = -ENOMEM; - goto err1; + debugfs_remove_recursive(root); + return; } dwc->regset->regs = dwc3_regs; @@ -643,47 +942,30 @@ int dwc3_debugfs_init(struct dwc3 *dwc) dwc->regset->base = dwc->regs; file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset); - if (!file) { - ret = -ENOMEM; - goto err2; - } + if (!file) + dev_dbg(dwc->dev, "Can't create debugfs regdump\n"); if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) { file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc, &dwc3_mode_fops); - if (!file) { - ret = -ENOMEM; - goto err2; - } + if (!file) + dev_dbg(dwc->dev, "Can't create debugfs mode\n"); } if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) || IS_ENABLED(CONFIG_USB_DWC3_GADGET)) { file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, dwc, &dwc3_testmode_fops); - if (!file) { - ret = -ENOMEM; - goto err2; - } - - file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_link_state_fops); - if (!file) { - ret = -ENOMEM; - goto err2; - } - } + if (!file) + dev_dbg(dwc->dev, "Can't create debugfs testmode\n"); - return 0; + file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, + root, dwc, &dwc3_link_state_fops); + if (!file) + dev_dbg(dwc->dev, "Can't create debugfs link_state\n"); -err2: - kfree(dwc->regset); - -err1: - debugfs_remove_recursive(root); - -err0: - return ret; + dwc3_debugfs_create_endpoint_dirs(dwc, root); + } } void dwc3_debugfs_exit(struct dwc3 *dwc) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 55da2c7f727f..af264493bbae 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -126,8 +126,6 @@ struct dwc3_omap { u32 debug_offset; u32 irq0_offset; - u32 dma_status:1; - struct extcon_dev *edev; struct notifier_block vbus_nb; struct notifier_block id_nb; @@ -277,9 +275,6 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap) reg = dwc3_omap_read_irqmisc_status(omap); - if (reg & USBOTGSS_IRQMISC_DMADISABLECLR) - omap->dma_status = false; - dwc3_omap_write_irqmisc_status(omap, reg); reg = dwc3_omap_read_irq0_status(omap); @@ -331,8 +326,6 @@ static void dwc3_omap_disable_irqs(struct dwc3_omap *omap) dwc3_omap_write_irqmisc_clr(omap, reg); } -static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32); - static int dwc3_omap_id_notifier(struct notifier_block *nb, unsigned long event, void *ptr) { @@ -490,7 +483,6 @@ static int dwc3_omap_probe(struct platform_device *pdev) omap->irq = irq; omap->base = base; omap->vbus_reg = vbus_reg; - dev->dma_mask = &dwc3_omap_dma_mask; pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); @@ -504,7 +496,6 @@ static int dwc3_omap_probe(struct platform_device *pdev) /* check the DMA Status */ reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG); - omap->dma_status = !!(reg & USBOTGSS_SYSCONFIG_DMADISABLE); ret = devm_request_irq(dev, omap->irq, dwc3_omap_interrupt, 0, "dwc3-omap", omap); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index adc1e8a624cb..14196cd416b3 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -47,7 +47,7 @@ static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { { }, }; -static int dwc3_pci_quirks(struct pci_dev *pdev) +static int dwc3_pci_quirks(struct pci_dev *pdev, struct platform_device *dwc3) { if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == PCI_DEVICE_ID_AMD_NL_USB) { @@ -77,8 +77,7 @@ static int dwc3_pci_quirks(struct pci_dev *pdev) pdata.dis_u3_susphy_quirk = true; pdata.dis_u2_susphy_quirk = true; - return platform_device_add_data(pci_get_drvdata(pdev), &pdata, - sizeof(pdata)); + return platform_device_add_data(dwc3, &pdata, sizeof(pdata)); } if (pdev->vendor == PCI_VENDOR_ID_INTEL && @@ -123,8 +122,7 @@ static int dwc3_pci_quirks(struct pci_dev *pdev) pdata.has_lpm_erratum = true; pdata.dis_enblslpm_quirk = true; - return platform_device_add_data(pci_get_drvdata(pdev), &pdata, - sizeof(pdata)); + return platform_device_add_data(dwc3, &pdata, sizeof(pdata)); } return 0; @@ -169,20 +167,20 @@ static int dwc3_pci_probe(struct pci_dev *pci, return ret; } - pci_set_drvdata(pci, dwc3); - ret = dwc3_pci_quirks(pci); - if (ret) - goto err; - dwc3->dev.parent = dev; ACPI_COMPANION_SET(&dwc3->dev, ACPI_COMPANION(dev)); + ret = dwc3_pci_quirks(pci, dwc3); + if (ret) + goto err; + ret = platform_device_add(dwc3); if (ret) { dev_err(dev, "failed to register dwc3 device\n"); goto err; } + pci_set_drvdata(pci, dwc3); return 0; err: platform_device_put(dwc3); diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index eca2e6d8e041..51b52a79dfec 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -70,10 +70,10 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, return 0; } - trb = &dwc->ep0_trb[dep->free_slot]; + trb = &dwc->ep0_trb[dep->trb_enqueue]; if (chain) - dep->free_slot++; + dep->trb_enqueue++; trb->bpl = lower_32_bits(buf_dma); trb->bph = upper_32_bits(buf_dma); @@ -124,7 +124,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, req->request.status = -EINPROGRESS; req->epnum = dep->number; - list_add_tail(&req->list, &dep->request_list); + list_add_tail(&req->list, &dep->pending_list); /* * Gadget driver might not be quick enough to queue a request @@ -240,7 +240,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, } /* we share one TRB for ep0/1 */ - if (!list_empty(&dep->request_list)) { + if (!list_empty(&dep->pending_list)) { ret = -EBUSY; goto out; } @@ -272,10 +272,10 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) dep->flags = DWC3_EP_ENABLED; dwc->delayed_status = false; - if (!list_empty(&dep->request_list)) { + if (!list_empty(&dep->pending_list)) { struct dwc3_request *req; - req = next_request(&dep->request_list); + req = next_request(&dep->pending_list); dwc3_gadget_giveback(dep, req, -ECONNRESET); } @@ -463,8 +463,18 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, if (!set) return -EINVAL; - dwc->test_mode_nr = wIndex >> 8; - dwc->test_mode = true; + switch (wIndex >> 8) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + dwc->test_mode_nr = wIndex >> 8; + dwc->test_mode = true; + break; + default: + return -EINVAL; + } break; default: return -EINVAL; @@ -586,9 +596,6 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) reg = dwc3_readl(dwc->regs, DWC3_DCTL); reg |= (DWC3_DCTL_ACCEPTU1ENA | DWC3_DCTL_ACCEPTU2ENA); dwc3_writel(dwc->regs, DWC3_DCTL, reg); - - dwc->resize_fifos = true; - dwc3_trace(trace_dwc3_ep0, "resize FIFOs flag SET"); } break; @@ -809,7 +816,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, trace_dwc3_complete_trb(ep0, trb); - r = next_request(&ep0->request_list); + r = next_request(&ep0->pending_list); if (!r) return; @@ -848,7 +855,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, trb++; length = trb->size & DWC3_TRB_SIZE_MASK; - ep0->free_slot = 0; + ep0->trb_enqueue = 0; } transfer_size = roundup((ur->length - transfer_size), @@ -897,8 +904,8 @@ static void dwc3_ep0_complete_status(struct dwc3 *dwc, trace_dwc3_complete_trb(dep, trb); - if (!list_empty(&dep->request_list)) { - r = next_request(&dep->request_list); + if (!list_empty(&dep->pending_list)) { + r = next_request(&dep->pending_list); dwc3_gadget_giveback(dep, r, 0); } @@ -1027,12 +1034,6 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep) { - if (dwc->resize_fifos) { - dwc3_trace(trace_dwc3_ep0, "Resizing FIFOs"); - dwc3_gadget_resize_tx_fifos(dwc); - dwc->resize_fifos = 0; - } - WARN_ON(dwc3_ep0_start_control_status(dep)); } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8e4a1b195e9b..9a7d0bd15dc3 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -145,90 +145,21 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) return -ETIMEDOUT; } -/** - * dwc3_gadget_resize_tx_fifos - reallocate fifo spaces for current use-case - * @dwc: pointer to our context structure - * - * This function will a best effort FIFO allocation in order - * to improve FIFO usage and throughput, while still allowing - * us to enable as many endpoints as possible. - * - * Keep in mind that this operation will be highly dependent - * on the configured size for RAM1 - which contains TxFifo -, - * the amount of endpoints enabled on coreConsultant tool, and - * the width of the Master Bus. - * - * In the ideal world, we would always be able to satisfy the - * following equation: - * - * ((512 + 2 * MDWIDTH-Bytes) + (Number of IN Endpoints - 1) * \ - * (3 * (1024 + MDWIDTH-Bytes) + MDWIDTH-Bytes)) / MDWIDTH-Bytes - * - * Unfortunately, due to many variables that's not always the case. - */ -int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc) +static void dwc3_ep_inc_enq(struct dwc3_ep *dep) { - int last_fifo_depth = 0; - int ram1_depth; - int fifo_size; - int mdwidth; - int num; - - if (!dwc->needs_fifo_resize) - return 0; - - ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7); - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - - /* MDWIDTH is represented in bits, we need it in bytes */ - mdwidth >>= 3; - - /* - * FIXME For now we will only allocate 1 wMaxPacketSize space - * for each enabled endpoint, later patches will come to - * improve this algorithm so that we better use the internal - * FIFO space - */ - for (num = 0; num < dwc->num_in_eps; num++) { - /* bit0 indicates direction; 1 means IN ep */ - struct dwc3_ep *dep = dwc->eps[(num << 1) | 1]; - int mult = 1; - int tmp; - - if (!(dep->flags & DWC3_EP_ENABLED)) - continue; - - if (usb_endpoint_xfer_bulk(dep->endpoint.desc) - || usb_endpoint_xfer_isoc(dep->endpoint.desc)) - mult = 3; - - /* - * REVISIT: the following assumes we will always have enough - * space available on the FIFO RAM for all possible use cases. - * Make sure that's true somehow and change FIFO allocation - * accordingly. - * - * If we have Bulk or Isochronous endpoints, we want - * them to be able to be very, very fast. So we're giving - * those endpoints a fifo_size which is enough for 3 full - * packets - */ - tmp = mult * (dep->endpoint.maxpacket + mdwidth); - tmp += mdwidth; - - fifo_size = DIV_ROUND_UP(tmp, mdwidth); - - fifo_size |= (last_fifo_depth << 16); - - dwc3_trace(trace_dwc3_gadget, "%s: Fifo Addr %04x Size %d", - dep->name, last_fifo_depth, fifo_size & 0xffff); - - dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size); + dep->trb_enqueue++; + dep->trb_enqueue %= DWC3_TRB_NUM; +} - last_fifo_depth += (fifo_size & 0xffff); - } +static void dwc3_ep_inc_deq(struct dwc3_ep *dep) +{ + dep->trb_dequeue++; + dep->trb_dequeue %= DWC3_TRB_NUM; +} - return 0; +static int dwc3_ep_is_last_trb(unsigned int index) +{ + return index == DWC3_TRB_NUM - 1; } void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, @@ -237,21 +168,19 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, struct dwc3 *dwc = dep->dwc; int i; - if (req->queued) { + if (req->started) { i = 0; do { - dep->busy_slot++; + dwc3_ep_inc_deq(dep); /* * Skip LINK TRB. We can't use req->trb and check for * DWC3_TRBCTL_LINK_TRB because it points the TRB we * just completed (not the LINK TRB). */ - if (((dep->busy_slot & DWC3_TRB_MASK) == - DWC3_TRB_NUM- 1) && - usb_endpoint_xfer_isoc(dep->endpoint.desc)) - dep->busy_slot++; + if (dwc3_ep_is_last_trb(dep->trb_dequeue)) + dwc3_ep_inc_deq(dep); } while(++i < req->request.num_mapped_sgs); - req->queued = false; + req->started = false; } list_del(&req->list); req->trb = NULL; @@ -307,6 +236,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) } while (1); } +static int __dwc3_gadget_wakeup(struct dwc3 *dwc); + int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, unsigned cmd, struct dwc3_gadget_ep_cmd_params *params) { @@ -314,8 +245,40 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, u32 timeout = 500; u32 reg; + int susphy = false; + int ret = -EINVAL; + trace_dwc3_gadget_ep_cmd(dep, cmd, params); + /* + * Synopsys Databook 2.60a states, on section 6.3.2.5.[1-8], that if + * we're issuing an endpoint command, we must check if + * GUSB2PHYCFG.SUSPHY bit is set. If it is, then we need to clear it. + * + * We will also set SUSPHY bit to what it was before returning as stated + * by the same section on Synopsys databook. + */ + reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); + if (unlikely(reg & DWC3_GUSB2PHYCFG_SUSPHY)) { + susphy = true; + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + } + + if (cmd == DWC3_DEPCMD_STARTTRANSFER) { + int needs_wakeup; + + needs_wakeup = (dwc->link_state == DWC3_LINK_STATE_U1 || + dwc->link_state == DWC3_LINK_STATE_U2 || + dwc->link_state == DWC3_LINK_STATE_U3); + + if (unlikely(needs_wakeup)) { + ret = __dwc3_gadget_wakeup(dwc); + dev_WARN_ONCE(dwc->dev, ret, "wakeup failed --> %d\n", + ret); + } + } + dwc3_writel(dwc->regs, DWC3_DEPCMDPAR0(ep), params->param0); dwc3_writel(dwc->regs, DWC3_DEPCMDPAR1(ep), params->param1); dwc3_writel(dwc->regs, DWC3_DEPCMDPAR2(ep), params->param2); @@ -324,12 +287,40 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, do { reg = dwc3_readl(dwc->regs, DWC3_DEPCMD(ep)); if (!(reg & DWC3_DEPCMD_CMDACT)) { + int cmd_status = DWC3_DEPCMD_STATUS(reg); + dwc3_trace(trace_dwc3_gadget, "Command Complete --> %d", - DWC3_DEPCMD_STATUS(reg)); - if (DWC3_DEPCMD_STATUS(reg)) - return -EINVAL; - return 0; + cmd_status); + + switch (cmd_status) { + case 0: + ret = 0; + break; + case DEPEVT_TRANSFER_NO_RESOURCE: + dwc3_trace(trace_dwc3_gadget, "%s: no resource available"); + ret = -EINVAL; + break; + case DEPEVT_TRANSFER_BUS_EXPIRY: + /* + * SW issues START TRANSFER command to + * isochronous ep with future frame interval. If + * future interval time has already passed when + * core receives the command, it will respond + * with an error status of 'Bus Expiry'. + * + * Instead of always returning -EINVAL, let's + * give a hint to the gadget driver that this is + * the case by returning -EAGAIN. + */ + dwc3_trace(trace_dwc3_gadget, "%s: bus expiry"); + ret = -EAGAIN; + break; + default: + dev_WARN(dwc->dev, "UNKNOWN cmd status\n"); + } + + break; } /* @@ -340,11 +331,20 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, if (!timeout) { dwc3_trace(trace_dwc3_gadget, "Command Timed Out"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; + break; } udelay(1); } while (1); + + if (unlikely(susphy)) { + reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); + reg |= DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + } + + return ret; } static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep, @@ -464,9 +464,19 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, /* Burst size is only needed in SuperSpeed mode */ if (dwc->gadget.speed >= USB_SPEED_SUPER) { - u32 burst = dep->endpoint.maxburst - 1; + u32 burst = dep->endpoint.maxburst; + u32 nump; + u32 reg; + + /* update NumP */ + reg = dwc3_readl(dwc->regs, DWC3_DCFG); + nump = DWC3_DCFG_NUMP(reg); + nump = max(nump, burst); + reg &= ~DWC3_DCFG_NUMP_MASK; + reg |= nump << DWC3_DCFG_NUMP_SHIFT; + dwc3_writel(dwc->regs, DWC3_DCFG, reg); - params.param0 |= DWC3_DEPCFG_BURST_SIZE(burst); + params.param0 |= DWC3_DEPCFG_BURST_SIZE(burst - 1); } if (ignore) @@ -567,10 +577,10 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, reg |= DWC3_DALEPENA_EP(dep->number); dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); - if (!usb_endpoint_xfer_isoc(desc)) + if (usb_endpoint_xfer_control(desc)) goto out; - /* Link TRB for ISOC. The HWO bit is never reset */ + /* Link TRB. The HWO bit is never reset */ trb_st_hw = &dep->trb_pool[0]; trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1]; @@ -608,19 +618,19 @@ static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep) { struct dwc3_request *req; - if (!list_empty(&dep->req_queued)) { + if (!list_empty(&dep->started_list)) { dwc3_stop_active_transfer(dwc, dep->number, true); /* - giveback all requests to gadget driver */ - while (!list_empty(&dep->req_queued)) { - req = next_request(&dep->req_queued); + while (!list_empty(&dep->started_list)) { + req = next_request(&dep->started_list); dwc3_gadget_giveback(dep, req, -ESHUTDOWN); } } - while (!list_empty(&dep->request_list)) { - req = next_request(&dep->request_list); + while (!list_empty(&dep->pending_list)) { + req = next_request(&dep->pending_list); dwc3_gadget_giveback(dep, req, -ESHUTDOWN); } @@ -783,20 +793,19 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, chain ? " chain" : ""); - trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; + trb = &dep->trb_pool[dep->trb_enqueue]; if (!req->trb) { - dwc3_gadget_move_request_queued(req); + dwc3_gadget_move_started_request(req); req->trb = trb; req->trb_dma = dwc3_trb_dma_offset(dep, trb); - req->start_slot = dep->free_slot & DWC3_TRB_MASK; + req->first_trb_index = dep->trb_enqueue; } - dep->free_slot++; - /* Skip the LINK-TRB on ISOC */ - if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) && - usb_endpoint_xfer_isoc(dep->endpoint.desc)) - dep->free_slot++; + dwc3_ep_inc_enq(dep); + /* Skip the LINK-TRB */ + if (dwc3_ep_is_last_trb(dep->trb_enqueue)) + dwc3_ep_inc_enq(dep); trb->size = DWC3_TRB_SIZE_LENGTH(length); trb->bpl = lower_32_bits(dma); @@ -812,6 +821,9 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; else trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS; + + /* always enable Interrupt on Missed ISOC */ + trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI; break; case USB_ENDPOINT_XFER_BULK: @@ -826,15 +838,14 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, BUG(); } + /* always enable Continue on Short Packet */ + trb->ctrl |= DWC3_TRB_CTRL_CSP; + if (!req->request.no_interrupt && !chain) - trb->ctrl |= DWC3_TRB_CTRL_IOC; + trb->ctrl |= DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI; - if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI; - trb->ctrl |= DWC3_TRB_CTRL_CSP; - } else if (last) { + if (last) trb->ctrl |= DWC3_TRB_CTRL_LST; - } if (chain) trb->ctrl |= DWC3_TRB_CTRL_CHN; @@ -860,55 +871,29 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) { struct dwc3_request *req, *n; u32 trbs_left; - u32 max; unsigned int last_one = 0; BUILD_BUG_ON_NOT_POWER_OF_2(DWC3_TRB_NUM); - /* the first request must not be queued */ - trbs_left = (dep->busy_slot - dep->free_slot) & DWC3_TRB_MASK; - - /* Can't wrap around on a non-isoc EP since there's no link TRB */ - if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - max = DWC3_TRB_NUM - (dep->free_slot & DWC3_TRB_MASK); - if (trbs_left > max) - trbs_left = max; - } + trbs_left = dep->trb_dequeue - dep->trb_enqueue; /* - * If busy & slot are equal than it is either full or empty. If we are - * starting to process requests then we are empty. Otherwise we are + * If enqueue & dequeue are equal than it is either full or empty. If we + * are starting to process requests then we are empty. Otherwise we are * full and don't do anything */ if (!trbs_left) { if (!starting) return; + trbs_left = DWC3_TRB_NUM; - /* - * In case we start from scratch, we queue the ISOC requests - * starting from slot 1. This is done because we use ring - * buffer and have no LST bit to stop us. Instead, we place - * IOC bit every TRB_NUM/4. We try to avoid having an interrupt - * after the first request so we start at slot 1 and have - * 7 requests proceed before we hit the first IOC. - * Other transfer types don't use the ring buffer and are - * processed from the first TRB until the last one. Since we - * don't wrap around we have to start at the beginning. - */ - if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - dep->busy_slot = 1; - dep->free_slot = 1; - } else { - dep->busy_slot = 0; - dep->free_slot = 0; - } } /* The last TRB is a link TRB, not used for xfer */ - if ((trbs_left <= 1) && usb_endpoint_xfer_isoc(dep->endpoint.desc)) + if (trbs_left <= 1) return; - list_for_each_entry_safe(req, n, &dep->request_list, list) { + list_for_each_entry_safe(req, n, &dep->pending_list, list) { unsigned length; dma_addr_t dma; last_one = false; @@ -927,7 +912,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) if (i == (request->num_mapped_sgs - 1) || sg_is_last(s)) { - if (list_empty(&dep->request_list)) + if (list_empty(&dep->pending_list)) last_one = true; chain = false; } @@ -957,7 +942,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) last_one = 1; /* Is this the last request? */ - if (list_is_last(&req->list, &dep->request_list)) + if (list_is_last(&req->list, &dep->pending_list)) last_one = 1; dwc3_prepare_one_trb(dep, req, dma, length, @@ -988,18 +973,18 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, * new requests as we try to set the IOC bit only on the last request. */ if (start_new) { - if (list_empty(&dep->req_queued)) + if (list_empty(&dep->started_list)) dwc3_prepare_trbs(dep, start_new); /* req points to the first request which will be sent */ - req = next_request(&dep->req_queued); + req = next_request(&dep->started_list); } else { dwc3_prepare_trbs(dep, start_new); /* * req points to the first request where HWO changed from 0 to 1 */ - req = next_request(&dep->req_queued); + req = next_request(&dep->started_list); } if (!req) { dep->flags |= DWC3_EP_PENDING_REQUEST; @@ -1046,7 +1031,7 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, { u32 uf; - if (list_empty(&dep->request_list)) { + if (list_empty(&dep->pending_list)) { dwc3_trace(trace_dwc3_gadget, "ISOC ep %s run out for requests", dep->name); @@ -1114,7 +1099,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) if (ret) return ret; - list_add_tail(&req->list, &dep->request_list); + list_add_tail(&req->list, &dep->pending_list); /* * If there are no pending requests and the endpoint isn't already @@ -1149,7 +1134,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) * notion of current microframe. */ if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - if (list_empty(&dep->req_queued)) { + if (list_empty(&dep->started_list)) { dwc3_stop_active_transfer(dwc, dep->number, true); dep->flags = DWC3_EP_ENABLED; } @@ -1267,13 +1252,13 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, spin_lock_irqsave(&dwc->lock, flags); - list_for_each_entry(r, &dep->request_list, list) { + list_for_each_entry(r, &dep->pending_list, list) { if (r == req) break; } if (r != req) { - list_for_each_entry(r, &dep->req_queued, list) { + list_for_each_entry(r, &dep->started_list, list) { if (r == req) break; } @@ -1313,10 +1298,10 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol) if (value) { if (!protocol && ((dep->direction && dep->flags & DWC3_EP_BUSY) || - (!list_empty(&dep->req_queued) || - !list_empty(&dep->request_list)))) { + (!list_empty(&dep->started_list) || + !list_empty(&dep->pending_list)))) { dwc3_trace(trace_dwc3_gadget, - "%s: pending request, cannot halt\n", + "%s: pending request, cannot halt", dep->name); return -EAGAIN; } @@ -1417,22 +1402,16 @@ static int dwc3_gadget_get_frame(struct usb_gadget *g) return DWC3_DSTS_SOFFN(reg); } -static int dwc3_gadget_wakeup(struct usb_gadget *g) +static int __dwc3_gadget_wakeup(struct dwc3 *dwc) { - struct dwc3 *dwc = gadget_to_dwc(g); - unsigned long timeout; - unsigned long flags; + int ret; u32 reg; - int ret = 0; - u8 link_state; u8 speed; - spin_lock_irqsave(&dwc->lock, flags); - /* * According to the Databook Remote wakeup request should * be issued only when the device is in early suspend state. @@ -1445,8 +1424,7 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g) if ((speed == DWC3_DSTS_SUPERSPEED) || (speed == DWC3_DSTS_SUPERSPEED_PLUS)) { dwc3_trace(trace_dwc3_gadget, "no wakeup on SuperSpeed\n"); - ret = -EINVAL; - goto out; + return -EINVAL; } link_state = DWC3_DSTS_USBLNKST(reg); @@ -1459,14 +1437,13 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g) dwc3_trace(trace_dwc3_gadget, "can't wakeup from '%s'\n", dwc3_gadget_link_string(link_state)); - ret = -EINVAL; - goto out; + return -EINVAL; } ret = dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RECOV); if (ret < 0) { dev_err(dwc->dev, "failed to put link in Recovery\n"); - goto out; + return ret; } /* Recent versions do this automatically */ @@ -1490,10 +1467,20 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g) if (DWC3_DSTS_USBLNKST(reg) != DWC3_LINK_STATE_U0) { dev_err(dwc->dev, "failed to send remote wakeup\n"); - ret = -EINVAL; + return -EINVAL; } -out: + return 0; +} + +static int dwc3_gadget_wakeup(struct usb_gadget *g) +{ + struct dwc3 *dwc = gadget_to_dwc(g); + unsigned long flags; + int ret; + + spin_lock_irqsave(&dwc->lock, flags); + ret = __dwc3_gadget_wakeup(dwc); spin_unlock_irqrestore(&dwc->lock, flags); return ret; @@ -1620,7 +1607,7 @@ static int dwc3_gadget_start(struct usb_gadget *g, irq = platform_get_irq(to_platform_device(dwc->dev), 0); ret = request_threaded_irq(irq, dwc3_interrupt, dwc3_thread_interrupt, - IRQF_SHARED, "dwc3", dwc); + IRQF_SHARED, "dwc3", dwc->ev_buf); if (ret) { dev_err(dwc->dev, "failed to request irq #%d --> %d\n", irq, ret); @@ -1682,6 +1669,17 @@ static int dwc3_gadget_start(struct usb_gadget *g, } dwc3_writel(dwc->regs, DWC3_DCFG, reg); + /* + * We are telling dwc3 that we want to use DCFG.NUMP as ACK TP's NUMP + * field instead of letting dwc3 itself calculate that automatically. + * + * This way, we maximize the chances that we'll be able to get several + * bursts of data without going through any sort of endpoint throttling. + */ + reg = dwc3_readl(dwc->regs, DWC3_GRXTHRCFG); + reg &= ~DWC3_GRXTHRCFG_PKTCNTSEL; + dwc3_writel(dwc->regs, DWC3_GRXTHRCFG, reg); + /* Start with SuperSpeed Default */ dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); @@ -1720,7 +1718,7 @@ err2: err1: spin_unlock_irqrestore(&dwc->lock, flags); - free_irq(irq, dwc); + free_irq(irq, dwc->ev_buf); err0: return ret; @@ -1743,7 +1741,7 @@ static int dwc3_gadget_stop(struct usb_gadget *g) spin_unlock_irqrestore(&dwc->lock, flags); irq = platform_get_irq(to_platform_device(dwc->dev), 0); - free_irq(irq, dwc); + free_irq(irq, dwc->ev_buf); return 0; } @@ -1815,8 +1813,8 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, dep->endpoint.caps.dir_in = !!direction; dep->endpoint.caps.dir_out = !direction; - INIT_LIST_HEAD(&dep->request_list); - INIT_LIST_HEAD(&dep->req_queued); + INIT_LIST_HEAD(&dep->pending_list); + INIT_LIST_HEAD(&dep->started_list); } return 0; @@ -1913,11 +1911,11 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep, * If there are still queued request * then wait, do not issue either END * or UPDATE TRANSFER, just attach next - * request in request_list during + * request in pending_list during * giveback.If any future queued request * is successfully transferred then we * will issue UPDATE TRANSFER for all - * request in the request_list. + * request in the pending_list. */ dep->flags |= DWC3_EP_MISSED_ISOC; } else { @@ -1963,15 +1961,14 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, int ret; do { - req = next_request(&dep->req_queued); + req = next_request(&dep->started_list); if (WARN_ON_ONCE(!req)) return 1; i = 0; do { - slot = req->start_slot + i; - if ((slot == DWC3_TRB_NUM - 1) && - usb_endpoint_xfer_isoc(dep->endpoint.desc)) + slot = req->first_trb_index + i; + if (slot == DWC3_TRB_NUM - 1) slot++; slot %= DWC3_TRB_NUM; trb = &dep->trb_pool[slot]; @@ -1989,8 +1986,8 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, } while (1); if (usb_endpoint_xfer_isoc(dep->endpoint.desc) && - list_empty(&dep->req_queued)) { - if (list_empty(&dep->request_list)) { + list_empty(&dep->started_list)) { + if (list_empty(&dep->pending_list)) { /* * If there is no entry in request list then do * not issue END TRANSFER now. Just set PENDING @@ -2039,7 +2036,7 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, if (!(dep->flags & DWC3_EP_ENABLED)) continue; - if (!list_empty(&dep->req_queued)) + if (!list_empty(&dep->started_list)) return; } @@ -2686,14 +2683,13 @@ static void dwc3_process_event_entry(struct dwc3 *dwc, } } -static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) +static irqreturn_t dwc3_process_event_buf(struct dwc3_event_buffer *evt) { - struct dwc3_event_buffer *evt; + struct dwc3 *dwc = evt->dwc; irqreturn_t ret = IRQ_NONE; int left; u32 reg; - evt = dwc->ev_buffs[buf]; left = evt->count; if (!(evt->flags & DWC3_EVENT_PENDING)) @@ -2718,7 +2714,7 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) evt->lpos = (evt->lpos + 4) % DWC3_EVENT_BUFFERS_SIZE; left -= 4; - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(buf), 4); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 4); } evt->count = 0; @@ -2726,39 +2722,34 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) ret = IRQ_HANDLED; /* Unmask interrupt */ - reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); + reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(0)); reg &= ~DWC3_GEVNTSIZ_INTMASK; - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), reg); return ret; } -static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc) +static irqreturn_t dwc3_thread_interrupt(int irq, void *_evt) { - struct dwc3 *dwc = _dwc; + struct dwc3_event_buffer *evt = _evt; + struct dwc3 *dwc = evt->dwc; unsigned long flags; irqreturn_t ret = IRQ_NONE; - int i; spin_lock_irqsave(&dwc->lock, flags); - - for (i = 0; i < dwc->num_event_buffers; i++) - ret |= dwc3_process_event_buf(dwc, i); - + ret = dwc3_process_event_buf(evt); spin_unlock_irqrestore(&dwc->lock, flags); return ret; } -static irqreturn_t dwc3_check_event_buf(struct dwc3 *dwc, u32 buf) +static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt) { - struct dwc3_event_buffer *evt; + struct dwc3 *dwc = evt->dwc; u32 count; u32 reg; - evt = dwc->ev_buffs[buf]; - - count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(buf)); + count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); count &= DWC3_GEVNTCOUNT_MASK; if (!count) return IRQ_NONE; @@ -2767,28 +2758,18 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3 *dwc, u32 buf) evt->flags |= DWC3_EVENT_PENDING; /* Mask interrupt */ - reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); + reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(0)); reg |= DWC3_GEVNTSIZ_INTMASK; - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), reg); return IRQ_WAKE_THREAD; } -static irqreturn_t dwc3_interrupt(int irq, void *_dwc) +static irqreturn_t dwc3_interrupt(int irq, void *_evt) { - struct dwc3 *dwc = _dwc; - int i; - irqreturn_t ret = IRQ_NONE; - - for (i = 0; i < dwc->num_event_buffers; i++) { - irqreturn_t status; + struct dwc3_event_buffer *evt = _evt; - status = dwc3_check_event_buf(dwc, i); - if (status == IRQ_WAKE_THREAD) - ret = status; - } - - return ret; + return dwc3_check_event_buf(evt); } /** diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 18ae3eaa8b6f..f21c0fccbebd 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -68,12 +68,12 @@ static inline struct dwc3_request *next_request(struct list_head *list) return list_first_entry(list, struct dwc3_request, list); } -static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req) +static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) { struct dwc3_ep *dep = req->dep; - req->queued = true; - list_move_tail(&req->list, &dep->req_queued); + req->started = true; + list_move_tail(&req->list, &dep->started_list); } void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h index 2bb4d3ad0e6b..8826cca5fc6f 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -23,7 +23,6 @@ struct dwc3_platform_data { enum usb_device_speed maximum_speed; enum usb_dr_mode dr_mode; - bool tx_fifo_resize; bool usb3_lpm_capable; unsigned is_utmi_l1_suspend:1; @@ -43,6 +42,7 @@ struct dwc3_platform_data { unsigned dis_u3_susphy_quirk:1; unsigned dis_u2_susphy_quirk:1; unsigned dis_enblslpm_quirk:1; + unsigned dis_rxdet_inp3_quirk:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2; diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index af5d922a8f5d..2057add439f0 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -15,6 +15,7 @@ menuconfig USB_GADGET tristate "USB Gadget Support" + select USB_COMMON select NLS help USB is a master/slave protocol, organized with one master diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 524e233d48de..d67de0d22a2b 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -66,20 +66,36 @@ function_descriptors(struct usb_function *f, { struct usb_descriptor_header **descriptors; + /* + * NOTE: we try to help gadget drivers which might not be setting + * max_speed appropriately. + */ + switch (speed) { case USB_SPEED_SUPER_PLUS: descriptors = f->ssp_descriptors; - break; + if (descriptors) + break; + /* FALLTHROUGH */ case USB_SPEED_SUPER: descriptors = f->ss_descriptors; - break; + if (descriptors) + break; + /* FALLTHROUGH */ case USB_SPEED_HIGH: descriptors = f->hs_descriptors; - break; + if (descriptors) + break; + /* FALLTHROUGH */ default: descriptors = f->fs_descriptors; } + /* + * if we can't find any descriptors at all, then this gadget deserves to + * Oops with a NULL pointer dereference + */ + return descriptors; } diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 15b648cbc75c..73515d54e1cc 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -651,7 +651,7 @@ static void ffs_user_copy_worker(struct work_struct *work) if (io_data->read && ret > 0) { use_mm(io_data->mm); ret = copy_to_iter(io_data->buf, ret, &io_data->data); - if (iov_iter_count(&io_data->data)) + if (ret != io_data->req->actual && iov_iter_count(&io_data->data)) ret = -EFAULT; unuse_mm(io_data->mm); } diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index acf210f16328..5c6d4d7ca605 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2977,25 +2977,6 @@ void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn, } EXPORT_SYMBOL_GPL(fsg_common_set_inquiry_string); -int fsg_common_run_thread(struct fsg_common *common) -{ - common->state = FSG_STATE_IDLE; - /* Tell the thread to start working */ - common->thread_task = - kthread_create(fsg_main_thread, common, "file-storage"); - if (IS_ERR(common->thread_task)) { - common->state = FSG_STATE_TERMINATED; - return PTR_ERR(common->thread_task); - } - - DBG(common, "I/O thread pid: %d\n", task_pid_nr(common->thread_task)); - - wake_up_process(common->thread_task); - - return 0; -} -EXPORT_SYMBOL_GPL(fsg_common_run_thread); - static void fsg_common_release(struct kref *ref) { struct fsg_common *common = container_of(ref, struct fsg_common, ref); @@ -3005,6 +2986,7 @@ static void fsg_common_release(struct kref *ref) if (common->state != FSG_STATE_TERMINATED) { raise_exception(common, FSG_STATE_EXIT); wait_for_completion(&common->thread_notifier); + common->thread_task = NULL; } for (i = 0; i < ARRAY_SIZE(common->luns); ++i) { @@ -3050,9 +3032,21 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) if (ret) return ret; fsg_common_set_inquiry_string(fsg->common, NULL, NULL); - ret = fsg_common_run_thread(fsg->common); - if (ret) + } + + if (!common->thread_task) { + common->state = FSG_STATE_IDLE; + common->thread_task = + kthread_create(fsg_main_thread, common, "file-storage"); + if (IS_ERR(common->thread_task)) { + int ret = PTR_ERR(common->thread_task); + common->thread_task = NULL; + common->state = FSG_STATE_TERMINATED; return ret; + } + DBG(common, "I/O thread pid: %d\n", + task_pid_nr(common->thread_task)); + wake_up_process(common->thread_task); } fsg->gadget = gadget; diff --git a/drivers/usb/gadget/function/f_mass_storage.h b/drivers/usb/gadget/function/f_mass_storage.h index 445df6775609..b6a9918eaefb 100644 --- a/drivers/usb/gadget/function/f_mass_storage.h +++ b/drivers/usb/gadget/function/f_mass_storage.h @@ -153,8 +153,6 @@ int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg); void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn, const char *pn); -int fsg_common_run_thread(struct fsg_common *common); - void fsg_config_from_params(struct fsg_config *cfg, const struct fsg_module_parameters *params, unsigned int fsg_num_buffers); diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c index c16089efc322..c39de65a448b 100644 --- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -133,10 +133,6 @@ static int acm_ms_do_config(struct usb_configuration *c) if (status < 0) goto put_msg; - status = fsg_common_run_thread(opts->common); - if (status) - goto remove_acm; - status = usb_add_function(c, f_msg); if (status) goto remove_acm; diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c index e61af53c7d2b..125974f32f50 100644 --- a/drivers/usb/gadget/legacy/mass_storage.c +++ b/drivers/usb/gadget/legacy/mass_storage.c @@ -132,10 +132,6 @@ static int msg_do_config(struct usb_configuration *c) if (IS_ERR(f_msg)) return PTR_ERR(f_msg); - ret = fsg_common_run_thread(opts->common); - if (ret) - goto put_func; - ret = usb_add_function(c, f_msg); if (ret) goto put_func; diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c index 229d704a620b..a70a406580ea 100644 --- a/drivers/usb/gadget/legacy/multi.c +++ b/drivers/usb/gadget/legacy/multi.c @@ -137,7 +137,6 @@ static struct usb_function *f_msg_rndis; static int rndis_do_config(struct usb_configuration *c) { - struct fsg_opts *fsg_opts; int ret; if (gadget_is_otg(c->cdev->gadget)) { @@ -169,11 +168,6 @@ static int rndis_do_config(struct usb_configuration *c) goto err_fsg; } - fsg_opts = fsg_opts_from_func_inst(fi_msg); - ret = fsg_common_run_thread(fsg_opts->common); - if (ret) - goto err_run; - ret = usb_add_function(c, f_msg_rndis); if (ret) goto err_run; @@ -225,7 +219,6 @@ static struct usb_function *f_msg_multi; static int cdc_do_config(struct usb_configuration *c) { - struct fsg_opts *fsg_opts; int ret; if (gadget_is_otg(c->cdev->gadget)) { @@ -258,11 +251,6 @@ static int cdc_do_config(struct usb_configuration *c) goto err_fsg; } - fsg_opts = fsg_opts_from_func_inst(fi_msg); - ret = fsg_common_run_thread(fsg_opts->common); - if (ret) - goto err_run; - ret = usb_add_function(c, f_msg_multi); if (ret) goto err_run; diff --git a/drivers/usb/gadget/legacy/nokia.c b/drivers/usb/gadget/legacy/nokia.c index 09975046c694..b1e535f4022e 100644 --- a/drivers/usb/gadget/legacy/nokia.c +++ b/drivers/usb/gadget/legacy/nokia.c @@ -152,7 +152,6 @@ static int nokia_bind_config(struct usb_configuration *c) struct usb_function *f_ecm; struct usb_function *f_obex2 = NULL; struct usb_function *f_msg; - struct fsg_opts *fsg_opts; int status = 0; int obex1_stat = -1; int obex2_stat = -1; @@ -222,12 +221,6 @@ static int nokia_bind_config(struct usb_configuration *c) goto err_ecm; } - fsg_opts = fsg_opts_from_func_inst(fi_msg); - - status = fsg_common_run_thread(fsg_opts->common); - if (status) - goto err_msg; - status = usb_add_function(c, f_msg); if (status) goto err_msg; diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c index d0d18947f58b..8bc78418d40e 100644 --- a/drivers/usb/gadget/udc/at91_udc.c +++ b/drivers/usb/gadget/udc/at91_udc.c @@ -1726,10 +1726,7 @@ static int at91sam9261_udc_init(struct at91_udc *udc) udc->matrix = syscon_regmap_lookup_by_phandle(udc->pdev->dev.of_node, "atmel,matrix"); - if (IS_ERR(udc->matrix)) - return PTR_ERR(udc->matrix); - - return 0; + return PTR_ERR_OR_ZERO(udc->matrix); } static void at91sam9261_udc_pullup(struct at91_udc *udc, int is_on) diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 9571ef54b86b..ebc51ec5790a 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -325,11 +325,8 @@ struct pch_vbus_gpio_data { * @pdev: reference to the PCI device * @ep: array of endpoints * @lock: protects all state - * @active: enabled the PCI device * @stall: stall requested * @prot_stall: protcol stall requested - * @irq_registered: irq registered with system - * @mem_region: device memory mapped * @registered: driver registered with system * @suspended: driver in suspended state * @connected: gadget driver associated @@ -339,12 +336,8 @@ struct pch_vbus_gpio_data { * @data_requests: DMA pool for data requests * @stp_requests: DMA pool for setup requests * @dma_addr: DMA pool for received - * @ep0out_buf: Buffer for DMA * @setup_data: Received setup data - * @phys_addr: of device memory * @base_addr: for mapped device memory - * @bar: Indicates which PCI BAR for USB regs - * @irq: IRQ line for the device * @cfg_data: current cfg, intf, and alt in use * @vbus_gpio: GPIO informaton for detecting VBUS */ @@ -354,11 +347,9 @@ struct pch_udc_dev { struct pci_dev *pdev; struct pch_udc_ep ep[PCH_UDC_EP_NUM]; spinlock_t lock; /* protects all state */ - unsigned active:1, + unsigned stall:1, prot_stall:1, - irq_registered:1, - mem_region:1, suspended:1, connected:1, vbus_session:1, @@ -367,12 +358,8 @@ struct pch_udc_dev { struct pci_pool *data_requests; struct pci_pool *stp_requests; dma_addr_t dma_addr; - void *ep0out_buf; struct usb_ctrlrequest setup_data; - unsigned long phys_addr; void __iomem *base_addr; - unsigned bar; - unsigned irq; struct pch_udc_cfg_data cfg_data; struct pch_vbus_gpio_data vbus_gpio; }; @@ -380,8 +367,10 @@ struct pch_udc_dev { #define PCH_UDC_PCI_BAR_QUARK_X1000 0 #define PCH_UDC_PCI_BAR 1 -#define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 + #define PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC 0x0939 +#define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 + #define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_DEVICE_ID_ML7213_IOH_UDC 0x801D #define PCI_DEVICE_ID_ML7831_IOH_UDC 0x8808 @@ -1732,14 +1721,12 @@ static int pch_udc_pcd_ep_enable(struct usb_ep *usbep, static int pch_udc_pcd_ep_disable(struct usb_ep *usbep) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if ((usbep->name == ep0_string) || !ep->ep.desc) return -EINVAL; @@ -1770,12 +1757,10 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, struct pch_udc_request *req; struct pch_udc_ep *ep; struct pch_udc_data_dma_desc *dma_desc; - struct pch_udc_dev *dev; if (!usbep) return NULL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; req = kzalloc(sizeof *req, gfp); if (!req) return NULL; @@ -1948,12 +1933,10 @@ static int pch_udc_pcd_dequeue(struct usb_ep *usbep, { struct pch_udc_ep *ep; struct pch_udc_request *req; - struct pch_udc_dev *dev; unsigned long flags; int ret = -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!usbep || !usbreq || (!ep->ep.desc && ep->num)) return ret; req = container_of(usbreq, struct pch_udc_request, req); @@ -1985,14 +1968,12 @@ static int pch_udc_pcd_dequeue(struct usb_ep *usbep, static int pch_udc_pcd_set_halt(struct usb_ep *usbep, int halt) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; int ret; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!ep->ep.desc && !ep->num) return -EINVAL; if (!ep->dev->driver || (ep->dev->gadget.speed == USB_SPEED_UNKNOWN)) @@ -2030,14 +2011,12 @@ static int pch_udc_pcd_set_halt(struct usb_ep *usbep, int halt) static int pch_udc_pcd_set_wedge(struct usb_ep *usbep) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; int ret; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!ep->ep.desc && !ep->num) return -EINVAL; if (!ep->dev->driver || (ep->dev->gadget.speed == USB_SPEED_UNKNOWN)) @@ -2647,7 +2626,7 @@ static void pch_udc_svc_enum_interrupt(struct pch_udc_dev *dev) static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) { u32 reg, dev_stat = 0; - int i, ret; + int i; dev_stat = pch_udc_read_device_status(dev); dev->cfg_data.cur_intf = (dev_stat & UDC_DEVSTS_INTF_MASK) >> @@ -2676,7 +2655,7 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) } dev->stall = 0; spin_lock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + dev->driver->setup(&dev->gadget, &dev->setup_data); spin_unlock(&dev->lock); } @@ -2687,7 +2666,7 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) */ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) { - int i, ret; + int i; u32 reg, dev_stat = 0; dev_stat = pch_udc_read_device_status(dev); @@ -2713,7 +2692,7 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) /* call gadget zero with setup data received */ spin_lock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + dev->driver->setup(&dev->gadget, &dev->setup_data); spin_unlock(&dev->lock); } @@ -2856,17 +2835,6 @@ static void pch_udc_setup_ep0(struct pch_udc_dev *dev) } /** - * gadget_release() - Free the gadget driver private data - * @pdev reference to struct pci_dev - */ -static void gadget_release(struct device *pdev) -{ - struct pch_udc_dev *dev = dev_get_drvdata(pdev); - - kfree(dev); -} - -/** * pch_udc_pcd_reinit() - This API initializes the endpoint structures * @dev: Reference to the driver structure */ @@ -2949,6 +2917,7 @@ static int init_dma_pools(struct pch_udc_dev *dev) { struct pch_udc_stp_dma_desc *td_stp; struct pch_udc_data_dma_desc *td_data; + void *ep0out_buf; /* DMA setup */ dev->data_requests = pci_pool_create("data_requests", dev->pdev, @@ -2991,10 +2960,11 @@ static int init_dma_pools(struct pch_udc_dev *dev) dev->ep[UDC_EP0IN_IDX].td_data = NULL; dev->ep[UDC_EP0IN_IDX].td_data_phys = 0; - dev->ep0out_buf = kzalloc(UDC_EP0OUT_BUFF_SIZE * 4, GFP_KERNEL); - if (!dev->ep0out_buf) + ep0out_buf = devm_kzalloc(&dev->pdev->dev, UDC_EP0OUT_BUFF_SIZE * 4, + GFP_KERNEL); + if (!ep0out_buf) return -ENOMEM; - dev->dma_addr = dma_map_single(&dev->pdev->dev, dev->ep0out_buf, + dev->dma_addr = dma_map_single(&dev->pdev->dev, ep0out_buf, UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE); return 0; @@ -3078,129 +3048,80 @@ static void pch_udc_remove(struct pci_dev *pdev) if (dev->dma_addr) dma_unmap_single(&dev->pdev->dev, dev->dma_addr, UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE); - kfree(dev->ep0out_buf); pch_vbus_gpio_free(dev); pch_udc_exit(dev); - - if (dev->irq_registered) - free_irq(pdev->irq, dev); - if (dev->base_addr) - iounmap(dev->base_addr); - if (dev->mem_region) - release_mem_region(dev->phys_addr, - pci_resource_len(pdev, dev->bar)); - if (dev->active) - pci_disable_device(pdev); - kfree(dev); } -#ifdef CONFIG_PM -static int pch_udc_suspend(struct pci_dev *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int pch_udc_suspend(struct device *d) { + struct pci_dev *pdev = to_pci_dev(d); struct pch_udc_dev *dev = pci_get_drvdata(pdev); pch_udc_disable_interrupts(dev, UDC_DEVINT_MSK); pch_udc_disable_ep_interrupts(dev, UDC_EPINT_MSK_DISABLE_ALL); - pci_disable_device(pdev); - pci_enable_wake(pdev, PCI_D3hot, 0); - - if (pci_save_state(pdev)) { - dev_err(&pdev->dev, - "%s: could not save PCI config state\n", __func__); - return -ENOMEM; - } - pci_set_power_state(pdev, pci_choose_state(pdev, state)); return 0; } -static int pch_udc_resume(struct pci_dev *pdev) +static int pch_udc_resume(struct device *d) { - int ret; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - ret = pci_enable_device(pdev); - if (ret) { - dev_err(&pdev->dev, "%s: pci_enable_device failed\n", __func__); - return ret; - } - pci_enable_wake(pdev, PCI_D3hot, 0); return 0; } + +static SIMPLE_DEV_PM_OPS(pch_udc_pm, pch_udc_suspend, pch_udc_resume); +#define PCH_UDC_PM_OPS (&pch_udc_pm) #else -#define pch_udc_suspend NULL -#define pch_udc_resume NULL -#endif /* CONFIG_PM */ +#define PCH_UDC_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ static int pch_udc_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - unsigned long resource; - unsigned long len; + int bar; int retval; struct pch_udc_dev *dev; /* init */ - dev = kzalloc(sizeof *dev, GFP_KERNEL); - if (!dev) { - pr_err("%s: no memory for device structure\n", __func__); + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) return -ENOMEM; - } + /* pci setup */ - if (pci_enable_device(pdev) < 0) { - kfree(dev); - pr_err("%s: pci_enable_device failed\n", __func__); - return -ENODEV; - } - dev->active = 1; + retval = pcim_enable_device(pdev); + if (retval) + return retval; + pci_set_drvdata(pdev, dev); /* Determine BAR based on PCI ID */ if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC) - dev->bar = PCH_UDC_PCI_BAR_QUARK_X1000; + bar = PCH_UDC_PCI_BAR_QUARK_X1000; else - dev->bar = PCH_UDC_PCI_BAR; + bar = PCH_UDC_PCI_BAR; /* PCI resource allocation */ - resource = pci_resource_start(pdev, dev->bar); - len = pci_resource_len(pdev, dev->bar); + retval = pcim_iomap_regions(pdev, 1 << bar, pci_name(pdev)); + if (retval) + return retval; - if (!request_mem_region(resource, len, KBUILD_MODNAME)) { - dev_err(&pdev->dev, "%s: pci device used already\n", __func__); - retval = -EBUSY; - goto finished; - } - dev->phys_addr = resource; - dev->mem_region = 1; + dev->base_addr = pcim_iomap_table(pdev)[bar]; - dev->base_addr = ioremap_nocache(resource, len); - if (!dev->base_addr) { - pr_err("%s: device memory cannot be mapped\n", __func__); - retval = -ENOMEM; - goto finished; - } - if (!pdev->irq) { - dev_err(&pdev->dev, "%s: irq not set\n", __func__); - retval = -ENODEV; - goto finished; - } /* initialize the hardware */ - if (pch_udc_pcd_init(dev)) { - retval = -ENODEV; - goto finished; - } - if (request_irq(pdev->irq, pch_udc_isr, IRQF_SHARED, KBUILD_MODNAME, - dev)) { + if (pch_udc_pcd_init(dev)) + return -ENODEV; + + pci_enable_msi(pdev); + + retval = devm_request_irq(&pdev->dev, pdev->irq, pch_udc_isr, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (retval) { dev_err(&pdev->dev, "%s: request_irq(%d) fail\n", __func__, pdev->irq); - retval = -ENODEV; goto finished; } - dev->irq = pdev->irq; - dev->irq_registered = 1; pci_set_master(pdev); pci_try_set_mwi(pdev); @@ -3219,8 +3140,7 @@ static int pch_udc_probe(struct pci_dev *pdev, /* Put the device in disconnected state till a driver is bound */ pch_udc_set_disconnect(dev); - retval = usb_add_gadget_udc_release(&pdev->dev, &dev->gadget, - gadget_release); + retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget); if (retval) goto finished; return 0; @@ -3262,9 +3182,10 @@ static struct pci_driver pch_udc_driver = { .id_table = pch_udc_pcidev_id, .probe = pch_udc_probe, .remove = pch_udc_remove, - .suspend = pch_udc_suspend, - .resume = pch_udc_resume, .shutdown = pch_udc_shutdown, + .driver = { + .pm = PCH_UDC_PM_OPS, + }, }; module_pci_driver(pch_udc_driver); diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index baa0609a429d..8b300e6da7fc 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -296,7 +296,7 @@ static void r8a66597_change_curpipe(struct r8a66597 *r8a66597, u16 pipenum, } while ((tmp & mask) != loop); } -static inline void pipe_change(struct r8a66597 *r8a66597, u16 pipenum) +static void pipe_change(struct r8a66597 *r8a66597, u16 pipenum) { struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum]; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index e4e70e11d0f6..6e8300d6a737 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -61,11 +61,9 @@ static int udc_bind_to_driver(struct usb_udc *udc, #ifdef CONFIG_HAS_DMA -int usb_gadget_map_request(struct usb_gadget *gadget, +int usb_gadget_map_request_by_dev(struct device *dev, struct usb_request *req, int is_in) { - struct device *dev = gadget->dev.parent; - if (req->length == 0) return 0; @@ -75,7 +73,7 @@ int usb_gadget_map_request(struct usb_gadget *gadget, mapped = dma_map_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (mapped == 0) { - dev_err(&gadget->dev, "failed to map SGs\n"); + dev_err(dev, "failed to map SGs\n"); return -EFAULT; } @@ -92,24 +90,38 @@ int usb_gadget_map_request(struct usb_gadget *gadget, return 0; } +EXPORT_SYMBOL_GPL(usb_gadget_map_request_by_dev); + +int usb_gadget_map_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in) +{ + return usb_gadget_map_request_by_dev(gadget->dev.parent, req, is_in); +} EXPORT_SYMBOL_GPL(usb_gadget_map_request); -void usb_gadget_unmap_request(struct usb_gadget *gadget, +void usb_gadget_unmap_request_by_dev(struct device *dev, struct usb_request *req, int is_in) { if (req->length == 0) return; if (req->num_mapped_sgs) { - dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, + dma_unmap_sg(dev, req->sg, req->num_mapped_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; } else { - dma_unmap_single(gadget->dev.parent, req->dma, req->length, + dma_unmap_single(dev, req->dma, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); } } +EXPORT_SYMBOL_GPL(usb_gadget_unmap_request_by_dev); + +void usb_gadget_unmap_request(struct usb_gadget *gadget, + struct usb_request *req, int is_in) +{ + usb_gadget_unmap_request_by_dev(gadget->dev.parent, req, is_in); +} EXPORT_SYMBOL_GPL(usb_gadget_unmap_request); #endif /* CONFIG_HAS_DMA */ diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 3050b18b2447..e9d4dde3e9b3 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -35,6 +35,7 @@ config USB_XHCI_PCI config USB_XHCI_PLATFORM tristate "Generic xHCI driver for a platform device" + select USB_XHCI_RCAR if ARCH_RENESAS ---help--- Adds an xHCI host driver for a generic platform device, which provides a memory space and an irq. @@ -63,7 +64,7 @@ config USB_XHCI_MVEBU config USB_XHCI_RCAR tristate "xHCI support for Renesas R-Car SoCs" - select USB_XHCI_PLATFORM + depends on USB_XHCI_PLATFORM depends on ARCH_RENESAS || COMPILE_TEST ---help--- Say 'Y' to enable the support for the xHCI host controller diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 963e2d0e8f92..172ef17911aa 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -352,10 +352,8 @@ static int bcma_hcd_probe(struct bcma_device *core) usb_dev->core = core; if (core->dev.of_node) - usb_dev->gpio_desc = devm_get_gpiod_from_child(&core->dev, "vcc", - &core->dev.of_node->fwnode); - if (!IS_ERR_OR_NULL(usb_dev->gpio_desc)) - gpiod_direction_output(usb_dev->gpio_desc, 1); + usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc", + GPIOD_OUT_HIGH); switch (core->id.id) { case BCMA_CORE_USB20_HOST: diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 79d12b2ba3c4..1a2614aae42c 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -52,13 +52,6 @@ static void dbg_hcs_params(struct ehci_hcd *ehci, char *label) ehci_dbg(ehci, "%s portroute %s\n", label, buf); } } -#else - -static inline void dbg_hcs_params(struct ehci_hcd *ehci, char *label) {} - -#endif - -#ifdef CONFIG_DYNAMIC_DEBUG /* * check the values in the HCCPARAMS register @@ -92,13 +85,6 @@ static void dbg_hcc_params(struct ehci_hcd *ehci, char *label) " 32 periodic list" : ""); } } -#else - -static inline void dbg_hcc_params(struct ehci_hcd *ehci, char *label) {} - -#endif - -#ifdef CONFIG_DYNAMIC_DEBUG static void __maybe_unused dbg_qtd(const char *label, struct ehci_hcd *ehci, struct ehci_qtd *qtd) @@ -281,37 +267,6 @@ dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status) (status & PORT_CONNECT) ? " CONNECT" : ""); } -#else -static inline void __maybe_unused -dbg_qh(char *label, struct ehci_hcd *ehci, struct ehci_qh *qh) -{} - -static inline int __maybe_unused -dbg_status_buf(char *buf, unsigned len, const char *label, u32 status) -{ - return 0; -} - -static inline int __maybe_unused -dbg_command_buf(char *buf, unsigned len, const char *label, u32 command) -{ - return 0; -} - -static inline int __maybe_unused -dbg_intr_buf(char *buf, unsigned len, const char *label, u32 enable) -{ - return 0; -} - -static inline int __maybe_unused -dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status) -{ - return 0; -} - -#endif /* CONFIG_DYNAMIC_DEBUG */ - static inline void dbg_status(struct ehci_hcd *ehci, const char *label, u32 status) { @@ -341,13 +296,6 @@ dbg_port(struct ehci_hcd *ehci, const char *label, int port, u32 status) /*-------------------------------------------------------------------------*/ -#ifndef CONFIG_DYNAMIC_DEBUG - -static inline void create_debug_files(struct ehci_hcd *bus) { } -static inline void remove_debug_files(struct ehci_hcd *bus) { } - -#else - /* troubleshooting help: expose state in debugfs */ static int debug_async_open(struct inode *, struct file *); @@ -1120,4 +1068,38 @@ static inline void remove_debug_files(struct ehci_hcd *ehci) debugfs_remove_recursive(ehci->debug_dir); } +#else /* CONFIG_DYNAMIC_DEBUG */ + +static inline void dbg_hcs_params(struct ehci_hcd *ehci, char *label) { } +static inline void dbg_hcc_params(struct ehci_hcd *ehci, char *label) { } + +static inline void __maybe_unused dbg_qh(const char *label, + struct ehci_hcd *ehci, struct ehci_qh *qh) { } + +static inline int __maybe_unused dbg_status_buf(const char *buf, + unsigned int len, const char *label, u32 status) +{ return 0; } + +static inline int __maybe_unused dbg_command_buf(const char *buf, + unsigned int len, const char *label, u32 command) +{ return 0; } + +static inline int __maybe_unused dbg_intr_buf(const char *buf, + unsigned int len, const char *label, u32 enable) +{ return 0; } + +static inline int __maybe_unused dbg_port_buf(char *buf, + unsigned int len, const char *label, int port, u32 status) +{ return 0; } + +static inline void dbg_status(struct ehci_hcd *ehci, const char *label, + u32 status) { } +static inline void dbg_cmd(struct ehci_hcd *ehci, const char *label, + u32 command) { } +static inline void dbg_port(struct ehci_hcd *ehci, const char *label, + int port, u32 status) { } + +static inline void create_debug_files(struct ehci_hcd *bus) { } +static inline void remove_debug_files(struct ehci_hcd *bus) { } + #endif /* CONFIG_DYNAMIC_DEBUG */ diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index df538fd10aa4..42e5b66353ef 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -321,7 +321,7 @@ static struct platform_driver exynos_ehci_driver = { .of_match_table = of_match_ptr(exynos_ehci_match), } }; -static const struct ehci_driver_overrides exynos_overrides __initdata = { +static const struct ehci_driver_overrides exynos_overrides __initconst = { .extra_priv_size = sizeof(struct exynos_ehci_hcd), }; diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 3e226ef6ca62..d3afc89d00f5 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -229,7 +229,7 @@ static struct platform_driver ehci_msm_driver = { }, }; -static const struct ehci_driver_overrides msm_overrides __initdata = { +static const struct ehci_driver_overrides msm_overrides __initconst = { .reset = ehci_msm_reset, }; diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index a24720beb39d..94ea9fff13e6 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -86,7 +86,7 @@ static inline u32 ehci_read(void __iomem *base, u32 reg) static struct hc_driver __read_mostly ehci_omap_hc_driver; -static const struct ehci_driver_overrides ehci_omap_overrides __initdata = { +static const struct ehci_driver_overrides ehci_omap_overrides __initconst = { .extra_priv_size = sizeof(struct omap_hcd), }; diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 3c4e5253955c..1f25c7985f5b 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -163,7 +163,7 @@ static struct platform_driver spear_ehci_hcd_driver = { } }; -static const struct ehci_driver_overrides spear_overrides __initdata = { +static const struct ehci_driver_overrides spear_overrides __initconst = { .extra_priv_size = sizeof(struct spear_ehci), }; diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c index a9609a336efe..2f162faabbca 100644 --- a/drivers/usb/host/fhci-sched.c +++ b/drivers/usb/host/fhci-sched.c @@ -288,7 +288,7 @@ static int scan_ed_list(struct fhci_usb *usb, list_for_each_entry(ed, list, node) { td = ed->td_head; - if (!td || (td && td->status == USB_TD_INPROGRESS)) + if (!td || td->status == USB_TD_INPROGRESS) continue; if (ed->state != FHCI_ED_OPER) { diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 360a5e95abca..66efa9a67687 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -4795,14 +4795,8 @@ static DEVICE_ATTR(uframe_periodic_max, 0644, show_uframe_periodic_max, static inline int create_sysfs_files(struct fotg210_hcd *fotg210) { struct device *controller = fotg210_to_hcd(fotg210)->self.controller; - int i = 0; - if (i) - goto out; - - i = device_create_file(controller, &dev_attr_uframe_periodic_max); -out: - return i; + return device_create_file(controller, &dev_attr_uframe_periodic_max); } static inline void remove_sysfs_files(struct fotg210_hcd *fotg210) diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c index 43626c44683b..5b3603c360ab 100644 --- a/drivers/usb/host/whci/hcd.c +++ b/drivers/usb/host/whci/hcd.c @@ -257,14 +257,14 @@ static int whc_probe(struct umc_dev *umc) ret = whc_init(whc); if (ret) - goto error; + goto error_whc_init; wusbhc->dev = dev; wusbhc->uwb_rc = uwb_rc_get_by_grandpa(umc->dev.parent); if (!wusbhc->uwb_rc) { ret = -ENODEV; dev_err(dev, "cannot get radio controller\n"); - goto error; + goto error_uwb_rc; } if (whc->n_devices > USB_MAXCHILDREN) { @@ -311,8 +311,9 @@ error_usb_add_hcd: wusbhc_destroy(wusbhc); error_wusbhc_create: uwb_rc_put(wusbhc->uwb_rc); -error: +error_uwb_rc: whc_clean_up(whc); +error_whc_init: usb_put_hcd(usb_hcd); return ret; } diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index 1a8e960d073b..c0e6812426b3 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -314,7 +314,7 @@ void qset_free_std(struct whc *whc, struct whc_std *std) kfree(std->bounce_buf); } if (std->pl_virt) { - if (std->dma_addr) + if (!dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) dma_unmap_single(whc->wusbhc.dev, std->dma_addr, std->num_pointers * sizeof(struct whc_page_list_entry), DMA_TO_DEVICE); @@ -535,9 +535,11 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u list_for_each_entry(std, &qset->stds, list_node) { if (std->ntds_remaining == -1) { pl_len = std->num_pointers * sizeof(struct whc_page_list_entry); - std->ntds_remaining = ntds--; std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE); + if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) + return -EFAULT; + std->ntds_remaining = ntds--; } } return 0; @@ -618,6 +620,8 @@ static int qset_add_urb_sg_linearize(struct whc *whc, struct whc_qset *qset, std->dma_addr = dma_map_single(&whc->umc->dev, std->bounce_buf, std->len, is_out ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + if (dma_mapping_error(&whc->umc->dev, std->dma_addr)) + return -EFAULT; if (qset_fill_page_list(whc, std, mem_flags) < 0) return -ENOMEM; diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c index 1eefc988192d..85908a3ecb8f 100644 --- a/drivers/usb/host/xhci-mvebu.c +++ b/drivers/usb/host/xhci-mvebu.c @@ -12,6 +12,9 @@ #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/usb.h> +#include <linux/usb/hcd.h> + #include "xhci-mvebu.h" #define USB3_MAX_WINDOWS 4 @@ -41,8 +44,10 @@ static void xhci_mvebu_mbus_config(void __iomem *base, } } -int xhci_mvebu_mbus_init_quirk(struct platform_device *pdev) +int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd) { + struct device *dev = hcd->self.controller; + struct platform_device *pdev = to_platform_device(dev); struct resource *res; void __iomem *base; const struct mbus_dram_target_info *dram; diff --git a/drivers/usb/host/xhci-mvebu.h b/drivers/usb/host/xhci-mvebu.h index 7ede92aa41f6..301fc984cae6 100644 --- a/drivers/usb/host/xhci-mvebu.h +++ b/drivers/usb/host/xhci-mvebu.h @@ -10,10 +10,13 @@ #ifndef __LINUX_XHCI_MVEBU_H #define __LINUX_XHCI_MVEBU_H + +struct usb_hcd; + #if IS_ENABLED(CONFIG_USB_XHCI_MVEBU) -int xhci_mvebu_mbus_init_quirk(struct platform_device *pdev); +int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd); #else -static inline int xhci_mvebu_mbus_init_quirk(struct platform_device *pdev) +static inline int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd) { return 0; } diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 474b5fa14900..676ea458148b 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -37,27 +37,32 @@ static const struct xhci_driver_overrides xhci_plat_overrides __initconst = { .start = xhci_plat_start, }; -static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) +static void xhci_priv_plat_start(struct usb_hcd *hcd) +{ + struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); + + if (priv->plat_start) + priv->plat_start(hcd); +} + +static int xhci_priv_init_quirk(struct usb_hcd *hcd) { - struct usb_hcd *hcd = xhci_to_hcd(xhci); + struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); + + if (!priv->init_quirk) + return 0; + return priv->init_quirk(hcd); +} + +static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) +{ /* * As of now platform drivers don't provide MSI support so we ensure * here that the generic code does not try to make a pci_dev from our * dev struct in order to setup MSI */ xhci->quirks |= XHCI_PLAT; - - /* - * On R-Car Gen2 and Gen3, the AC64 bit (bit 0) of HCCPARAMS1 is set - * to 1. However, these SoCs don't support 64-bit address memory - * pointers. So, this driver clears the AC64 bit of xhci->hcc_params - * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in - * xhci_gen_setup(). - */ - if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) || - xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3)) - xhci->quirks |= XHCI_NO_64BIT_SUPPORT; } /* called during probe() after chip reset completes */ @@ -65,38 +70,35 @@ static int xhci_plat_setup(struct usb_hcd *hcd) { int ret; - if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) || - xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3)) { - ret = xhci_rcar_init_quirk(hcd); - if (ret) - return ret; - } + + ret = xhci_priv_init_quirk(hcd); + if (ret) + return ret; return xhci_gen_setup(hcd, xhci_plat_quirks); } static int xhci_plat_start(struct usb_hcd *hcd) { - if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) || - xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3)) - xhci_rcar_start(hcd); - + xhci_priv_plat_start(hcd); return xhci_run(hcd); } #ifdef CONFIG_OF static const struct xhci_plat_priv xhci_plat_marvell_armada = { - .type = XHCI_PLAT_TYPE_MARVELL_ARMADA, + .init_quirk = xhci_mvebu_mbus_init_quirk, }; static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen2 = { - .type = XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2, .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V1, + .init_quirk = xhci_rcar_init_quirk, + .plat_start = xhci_rcar_start, }; static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = { - .type = XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3, .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V2, + .init_quirk = xhci_rcar_init_quirk, + .plat_start = xhci_rcar_start, }; static const struct of_device_id usb_xhci_of_match[] = { @@ -207,12 +209,6 @@ static int xhci_plat_probe(struct platform_device *pdev) *priv = *priv_match; } - if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_MARVELL_ARMADA)) { - ret = xhci_mvebu_mbus_init_quirk(pdev); - if (ret) - goto disable_clk; - } - device_wakeup_enable(hcd->self.controller); xhci->clk = clk; diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 529c3c40f901..9af0cb48053f 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -13,27 +13,11 @@ #include "xhci.h" /* for hcd_to_xhci() */ -enum xhci_plat_type { - XHCI_PLAT_TYPE_MARVELL_ARMADA = 1, - XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2, - XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3, -}; - struct xhci_plat_priv { - enum xhci_plat_type type; const char *firmware_name; + void (*plat_start)(struct usb_hcd *); + int (*init_quirk)(struct usb_hcd *); }; #define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv) - -static inline bool xhci_plat_type_is(struct usb_hcd *hcd, - enum xhci_plat_type type) -{ - struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); - - if (priv && priv->type == type) - return true; - else - return false; -} #endif /* _XHCI_PLAT_H */ diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 623100e9385e..0e4535e632ec 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -11,6 +11,7 @@ #include <linux/firmware.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <linux/usb/phy.h> #include "xhci.h" @@ -76,6 +77,24 @@ static void xhci_rcar_start_gen2(struct usb_hcd *hcd) writel(RCAR_USB3_TX_POL_VAL, hcd->regs + RCAR_USB3_TX_POL); } +static int xhci_rcar_is_gen2(struct device *dev) +{ + struct device_node *node = dev->of_node; + + return of_device_is_compatible(node, "renesas,xhci-r8a7790") || + of_device_is_compatible(node, "renesas,xhci-r8a7791") || + of_device_is_compatible(node, "renesas,xhci-r8a7793") || + of_device_is_compatible(node, "renensas,rcar-gen2-xhci"); +} + +static int xhci_rcar_is_gen3(struct device *dev) +{ + struct device_node *node = dev->of_node; + + return of_device_is_compatible(node, "renesas,xhci-r8a7795") || + of_device_is_compatible(node, "renesas,rcar-gen3-xhci"); +} + void xhci_rcar_start(struct usb_hcd *hcd) { u32 temp; @@ -85,7 +104,7 @@ void xhci_rcar_start(struct usb_hcd *hcd) temp = readl(hcd->regs + RCAR_USB3_INT_ENA); temp |= RCAR_USB3_INT_ENA_VAL; writel(temp, hcd->regs + RCAR_USB3_INT_ENA); - if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2)) + if (xhci_rcar_is_gen2(hcd->self.controller)) xhci_rcar_start_gen2(hcd); } } @@ -156,9 +175,22 @@ static int xhci_rcar_download_firmware(struct usb_hcd *hcd) /* This function needs to initialize a "phy" of usb before */ int xhci_rcar_init_quirk(struct usb_hcd *hcd) { + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + /* If hcd->regs is NULL, we don't just call the following function */ if (!hcd->regs) return 0; + /* + * On R-Car Gen2 and Gen3, the AC64 bit (bit 0) of HCCPARAMS1 is set + * to 1. However, these SoCs don't support 64-bit address memory + * pointers. So, this driver clears the AC64 bit of xhci->hcc_params + * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in + * xhci_gen_setup(). + */ + if (xhci_rcar_is_gen2(hcd->self.controller) || + xhci_rcar_is_gen3(hcd->self.controller)) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; + return xhci_rcar_download_firmware(hcd); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 99b4ff42f7a0..52deae4b7eac 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -373,7 +373,11 @@ static void ring_doorbell_for_active_rings(struct xhci_hcd *xhci, } } -static struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, +/* Get the right ring for the given slot_id, ep_index and stream_id. + * If the endpoint supports streams, boundary check the URB's stream ID. + * If the endpoint doesn't support streams, return the singular endpoint ring. + */ +struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id) { @@ -405,17 +409,6 @@ static struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, return NULL; } -/* Get the right ring for the given URB. - * If the endpoint supports streams, boundary check the URB's stream ID. - * If the endpoint doesn't support streams, return the singular endpoint ring. - */ -static struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, - struct urb *urb) -{ - return xhci_triad_to_transfer_ring(xhci, urb->dev->slot_id, - xhci_get_endpoint_index(&urb->ep->desc), urb->stream_id); -} - /* * Move the xHC's endpoint ring dequeue pointer past cur_td. * Record the new state of the xHC's endpoint ring dequeue segment, @@ -1768,7 +1761,7 @@ static int xhci_requires_manual_halt_cleanup(struct xhci_hcd *xhci, if (trb_comp_code == COMP_TX_ERR || trb_comp_code == COMP_BABBLE || trb_comp_code == COMP_SPLIT_ERR) - /* The 0.96 spec says a babbling control endpoint + /* The 0.95 spec says a babbling control endpoint * is not halted. The 0.96 spec says it is. Some HW * claims to be 0.95 compliant, but it halts the control * endpoint anyway. Check if a babble halted the @@ -2938,46 +2931,55 @@ static int prepare_transfer(struct xhci_hcd *xhci, return 0; } -static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb) +static unsigned int count_trbs(u64 addr, u64 len) +{ + unsigned int num_trbs; + + num_trbs = DIV_ROUND_UP(len + (addr & (TRB_MAX_BUFF_SIZE - 1)), + TRB_MAX_BUFF_SIZE); + if (num_trbs == 0) + num_trbs++; + + return num_trbs; +} + +static inline unsigned int count_trbs_needed(struct urb *urb) +{ + return count_trbs(urb->transfer_dma, urb->transfer_buffer_length); +} + +static unsigned int count_sg_trbs_needed(struct urb *urb) { - int num_sgs, num_trbs, running_total, temp, i; struct scatterlist *sg; + unsigned int i, len, full_len, num_trbs = 0; - sg = NULL; - num_sgs = urb->num_mapped_sgs; - temp = urb->transfer_buffer_length; + full_len = urb->transfer_buffer_length; - num_trbs = 0; - for_each_sg(urb->sg, sg, num_sgs, i) { - unsigned int len = sg_dma_len(sg); - - /* Scatter gather list entries may cross 64KB boundaries */ - running_total = TRB_MAX_BUFF_SIZE - - (sg_dma_address(sg) & (TRB_MAX_BUFF_SIZE - 1)); - running_total &= TRB_MAX_BUFF_SIZE - 1; - if (running_total != 0) - num_trbs++; - - /* How many more 64KB chunks to transfer, how many more TRBs? */ - while (running_total < sg_dma_len(sg) && running_total < temp) { - num_trbs++; - running_total += TRB_MAX_BUFF_SIZE; - } - len = min_t(int, len, temp); - temp -= len; - if (temp == 0) + for_each_sg(urb->sg, sg, urb->num_mapped_sgs, i) { + len = sg_dma_len(sg); + num_trbs += count_trbs(sg_dma_address(sg), len); + len = min_t(unsigned int, len, full_len); + full_len -= len; + if (full_len == 0) break; } + return num_trbs; } -static void check_trb_math(struct urb *urb, int num_trbs, int running_total) +static unsigned int count_isoc_trbs_needed(struct urb *urb, int i) { - if (num_trbs != 0) - dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated number of " - "TRBs, %d left\n", __func__, - urb->ep->desc.bEndpointAddress, num_trbs); - if (running_total != urb->transfer_buffer_length) + u64 addr, len; + + addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset); + len = urb->iso_frame_desc[i].length; + + return count_trbs(addr, len); +} + +static void check_trb_math(struct urb *urb, int running_total) +{ + if (unlikely(running_total != urb->transfer_buffer_length)) dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated tx length, " "queued %#x (%d), asked for %#x (%d)\n", __func__, @@ -3003,26 +3005,20 @@ static void giveback_first_trb(struct xhci_hcd *xhci, int slot_id, xhci_ring_ep_doorbell(xhci, slot_id, ep_index, stream_id); } -/* - * xHCI uses normal TRBs for both bulk and interrupt. When the interrupt - * endpoint is to be serviced, the xHC will consume (at most) one TD. A TD - * (comprised of sg list entries) can take several service intervals to - * transmit. - */ -int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, - struct urb *urb, int slot_id, unsigned int ep_index) +static void check_interval(struct xhci_hcd *xhci, struct urb *urb, + struct xhci_ep_ctx *ep_ctx) { - struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, - xhci->devs[slot_id]->out_ctx, ep_index); int xhci_interval; int ep_interval; xhci_interval = EP_INTERVAL_TO_UFRAMES(le32_to_cpu(ep_ctx->ep_info)); ep_interval = urb->interval; + /* Convert to microframes */ if (urb->dev->speed == USB_SPEED_LOW || urb->dev->speed == USB_SPEED_FULL) ep_interval *= 8; + /* FIXME change this to a warning and a suggestion to use the new API * to set the polling interval (once the API is added). */ @@ -3037,6 +3033,22 @@ int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, urb->dev->speed == USB_SPEED_FULL) urb->interval /= 8; } +} + +/* + * xHCI uses normal TRBs for both bulk and interrupt. When the interrupt + * endpoint is to be serviced, the xHC will consume (at most) one TD. A TD + * (comprised of sg list entries) can take several service intervals to + * transmit. + */ +int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, + struct urb *urb, int slot_id, unsigned int ep_index) +{ + struct xhci_ep_ctx *ep_ctx; + + ep_ctx = xhci_get_ep_ctx(xhci, xhci->devs[slot_id]->out_ctx, ep_index); + check_interval(xhci, urb, ep_ctx); + return xhci_queue_bulk_tx(xhci, mem_flags, urb, slot_id, ep_index); } @@ -3086,44 +3098,47 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, return (total_packet_count - ((transferred + trb_buff_len) / maxp)); } - -static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, +/* This is very similar to what ehci-q.c qtd_fill() does */ +int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index) { struct xhci_ring *ep_ring; - unsigned int num_trbs; struct urb_priv *urb_priv; struct xhci_td *td; - struct scatterlist *sg; - int num_sgs; - int trb_buff_len, this_sg_len, running_total, ret; - unsigned int total_packet_count; + struct xhci_generic_trb *start_trb; + struct scatterlist *sg = NULL; + bool more_trbs_coming; bool zero_length_needed; - bool first_trb; - int last_trb_num; + unsigned int num_trbs, last_trb_num, i; + unsigned int start_cycle, num_sgs = 0; + unsigned int running_total, block_len, trb_buff_len; + unsigned int full_len; + int ret; + u32 field, length_field, remainder; u64 addr; - bool more_trbs_coming; - - struct xhci_generic_trb *start_trb; - int start_cycle; ep_ring = xhci_urb_to_transfer_ring(xhci, urb); if (!ep_ring) return -EINVAL; - num_trbs = count_sg_trbs_needed(xhci, urb); - num_sgs = urb->num_mapped_sgs; - total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, - usb_endpoint_maxp(&urb->ep->desc)); + /* If we have scatter/gather list, we use it. */ + if (urb->num_sgs) { + num_sgs = urb->num_mapped_sgs; + sg = urb->sg; + num_trbs = count_sg_trbs_needed(urb); + } else + num_trbs = count_trbs_needed(urb); ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, num_trbs, urb, 0, mem_flags); - if (ret < 0) + if (unlikely(ret < 0)) return ret; urb_priv = urb->hcpriv; + last_trb_num = num_trbs - 1; + /* Deal with URB_ZERO_PACKET - need one more td/trb */ zero_length_needed = urb->transfer_flags & URB_ZERO_PACKET && urb_priv->length == 2; @@ -3133,7 +3148,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, 1, urb, 1, mem_flags); - if (ret < 0) + if (unlikely(ret < 0)) return ret; } @@ -3147,228 +3162,58 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, start_trb = &ep_ring->enqueue->generic; start_cycle = ep_ring->cycle_state; + full_len = urb->transfer_buffer_length; running_total = 0; - /* - * How much data is in the first TRB? - * - * There are three forces at work for TRB buffer pointers and lengths: - * 1. We don't want to walk off the end of this sg-list entry buffer. - * 2. The transfer length that the driver requested may be smaller than - * the amount of memory allocated for this scatter-gather list. - * 3. TRBs buffers can't cross 64KB boundaries. - */ - sg = urb->sg; - addr = (u64) sg_dma_address(sg); - this_sg_len = sg_dma_len(sg); - trb_buff_len = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1)); - trb_buff_len = min_t(int, trb_buff_len, this_sg_len); - if (trb_buff_len > urb->transfer_buffer_length) - trb_buff_len = urb->transfer_buffer_length; - - first_trb = true; - last_trb_num = zero_length_needed ? 2 : 1; - /* Queue the first TRB, even if it's zero-length */ - do { - u32 field = 0; - u32 length_field = 0; - u32 remainder = 0; + block_len = 0; - /* Don't change the cycle bit of the first TRB until later */ - if (first_trb) { - first_trb = false; - if (start_cycle == 0) - field |= 0x1; - } else - field |= ep_ring->cycle_state; + /* Queue the TRBs, even if they are zero-length */ + for (i = 0; i < num_trbs; i++) { + field = TRB_TYPE(TRB_NORMAL); - /* Chain all the TRBs together; clear the chain bit in the last - * TRB to indicate it's the last TRB in the chain. - */ - if (num_trbs > last_trb_num) { - field |= TRB_CHAIN; - } else if (num_trbs == last_trb_num) { - td->last_trb = ep_ring->enqueue; - field |= TRB_IOC; - } else if (zero_length_needed && num_trbs == 1) { - trb_buff_len = 0; - urb_priv->td[1]->last_trb = ep_ring->enqueue; - field |= TRB_IOC; - } - - /* Only set interrupt on short packet for IN endpoints */ - if (usb_urb_dir_in(urb)) - field |= TRB_ISP; - - if (TRB_MAX_BUFF_SIZE - - (addr & (TRB_MAX_BUFF_SIZE - 1)) < trb_buff_len) { - xhci_warn(xhci, "WARN: sg dma xfer crosses 64KB boundaries!\n"); - xhci_dbg(xhci, "Next boundary at %#x, end dma = %#x\n", - (unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1), - (unsigned int) addr + trb_buff_len); - } - - /* Set the TRB length, TD size, and interrupter fields. */ - remainder = xhci_td_remainder(xhci, running_total, trb_buff_len, - urb->transfer_buffer_length, - urb, num_trbs - 1); - - length_field = TRB_LEN(trb_buff_len) | - TRB_TD_SIZE(remainder) | - TRB_INTR_TARGET(0); - - if (num_trbs > 1) - more_trbs_coming = true; - else - more_trbs_coming = false; - queue_trb(xhci, ep_ring, more_trbs_coming, - lower_32_bits(addr), - upper_32_bits(addr), - length_field, - field | TRB_TYPE(TRB_NORMAL)); - --num_trbs; - running_total += trb_buff_len; - - /* Calculate length for next transfer -- - * Are we done queueing all the TRBs for this sg entry? - */ - this_sg_len -= trb_buff_len; - if (this_sg_len == 0) { - --num_sgs; - if (num_sgs == 0) - break; - sg = sg_next(sg); - addr = (u64) sg_dma_address(sg); - this_sg_len = sg_dma_len(sg); + if (block_len == 0) { + /* A new contiguous block. */ + if (sg) { + addr = (u64) sg_dma_address(sg); + block_len = sg_dma_len(sg); + } else { + addr = (u64) urb->transfer_dma; + block_len = full_len; + } + /* TRB buffer should not cross 64KB boundaries */ + trb_buff_len = TRB_BUFF_LEN_UP_TO_BOUNDARY(addr); + trb_buff_len = min_t(unsigned int, + trb_buff_len, + block_len); } else { - addr += trb_buff_len; + /* Further through the contiguous block. */ + trb_buff_len = block_len; + if (trb_buff_len > TRB_MAX_BUFF_SIZE) + trb_buff_len = TRB_MAX_BUFF_SIZE; } - trb_buff_len = TRB_MAX_BUFF_SIZE - - (addr & (TRB_MAX_BUFF_SIZE - 1)); - trb_buff_len = min_t(int, trb_buff_len, this_sg_len); - if (running_total + trb_buff_len > urb->transfer_buffer_length) - trb_buff_len = - urb->transfer_buffer_length - running_total; - } while (num_trbs > 0); - - check_trb_math(urb, num_trbs, running_total); - giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id, - start_cycle, start_trb); - return 0; -} - -/* This is very similar to what ehci-q.c qtd_fill() does */ -int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, - struct urb *urb, int slot_id, unsigned int ep_index) -{ - struct xhci_ring *ep_ring; - struct urb_priv *urb_priv; - struct xhci_td *td; - int num_trbs; - struct xhci_generic_trb *start_trb; - bool first_trb; - int last_trb_num; - bool more_trbs_coming; - bool zero_length_needed; - int start_cycle; - u32 field, length_field; - - int running_total, trb_buff_len, ret; - unsigned int total_packet_count; - u64 addr; - - if (urb->num_sgs) - return queue_bulk_sg_tx(xhci, mem_flags, urb, slot_id, ep_index); - - ep_ring = xhci_urb_to_transfer_ring(xhci, urb); - if (!ep_ring) - return -EINVAL; - - num_trbs = 0; - /* How much data is (potentially) left before the 64KB boundary? */ - running_total = TRB_MAX_BUFF_SIZE - - (urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1)); - running_total &= TRB_MAX_BUFF_SIZE - 1; - - /* If there's some data on this 64KB chunk, or we have to send a - * zero-length transfer, we need at least one TRB - */ - if (running_total != 0 || urb->transfer_buffer_length == 0) - num_trbs++; - /* How many more 64KB chunks to transfer, how many more TRBs? */ - while (running_total < urb->transfer_buffer_length) { - num_trbs++; - running_total += TRB_MAX_BUFF_SIZE; - } - - ret = prepare_transfer(xhci, xhci->devs[slot_id], - ep_index, urb->stream_id, - num_trbs, urb, 0, mem_flags); - if (ret < 0) - return ret; - - urb_priv = urb->hcpriv; - - /* Deal with URB_ZERO_PACKET - need one more td/trb */ - zero_length_needed = urb->transfer_flags & URB_ZERO_PACKET && - urb_priv->length == 2; - if (zero_length_needed) { - num_trbs++; - xhci_dbg(xhci, "Creating zero length td.\n"); - ret = prepare_transfer(xhci, xhci->devs[slot_id], - ep_index, urb->stream_id, - 1, urb, 1, mem_flags); - if (ret < 0) - return ret; - } - - td = urb_priv->td[0]; - - /* - * Don't give the first TRB to the hardware (by toggling the cycle bit) - * until we've finished creating all the other TRBs. The ring's cycle - * state may change as we enqueue the other TRBs, so save it too. - */ - start_trb = &ep_ring->enqueue->generic; - start_cycle = ep_ring->cycle_state; - - running_total = 0; - total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, - usb_endpoint_maxp(&urb->ep->desc)); - /* How much data is in the first TRB? */ - addr = (u64) urb->transfer_dma; - trb_buff_len = TRB_MAX_BUFF_SIZE - - (urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1)); - if (trb_buff_len > urb->transfer_buffer_length) - trb_buff_len = urb->transfer_buffer_length; - - first_trb = true; - last_trb_num = zero_length_needed ? 2 : 1; - /* Queue the first TRB, even if it's zero-length */ - do { - u32 remainder = 0; - field = 0; + if (running_total + trb_buff_len > full_len) + trb_buff_len = full_len - running_total; /* Don't change the cycle bit of the first TRB until later */ - if (first_trb) { - first_trb = false; + if (i == 0) { if (start_cycle == 0) - field |= 0x1; + field |= TRB_CYCLE; } else field |= ep_ring->cycle_state; /* Chain all the TRBs together; clear the chain bit in the last * TRB to indicate it's the last TRB in the chain. */ - if (num_trbs > last_trb_num) { + if (i < last_trb_num) { field |= TRB_CHAIN; - } else if (num_trbs == last_trb_num) { - td->last_trb = ep_ring->enqueue; - field |= TRB_IOC; - } else if (zero_length_needed && num_trbs == 1) { - trb_buff_len = 0; - urb_priv->td[1]->last_trb = ep_ring->enqueue; + } else { field |= TRB_IOC; + if (i == last_trb_num) + td->last_trb = ep_ring->enqueue; + else if (zero_length_needed) { + trb_buff_len = 0; + urb_priv->td[1]->last_trb = ep_ring->enqueue; + } } /* Only set interrupt on short packet for IN endpoints */ @@ -3376,15 +3221,15 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field |= TRB_ISP; /* Set the TRB length, TD size, and interrupter fields. */ - remainder = xhci_td_remainder(xhci, running_total, trb_buff_len, - urb->transfer_buffer_length, - urb, num_trbs - 1); + remainder = xhci_td_remainder(xhci, running_total, + trb_buff_len, full_len, + urb, num_trbs - i - 1); length_field = TRB_LEN(trb_buff_len) | TRB_TD_SIZE(remainder) | TRB_INTR_TARGET(0); - if (num_trbs > 1) + if (i < num_trbs - 1) more_trbs_coming = true; else more_trbs_coming = false; @@ -3392,18 +3237,24 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, lower_32_bits(addr), upper_32_bits(addr), length_field, - field | TRB_TYPE(TRB_NORMAL)); - --num_trbs; - running_total += trb_buff_len; + field); - /* Calculate length for next transfer */ + running_total += trb_buff_len; addr += trb_buff_len; - trb_buff_len = urb->transfer_buffer_length - running_total; - if (trb_buff_len > TRB_MAX_BUFF_SIZE) - trb_buff_len = TRB_MAX_BUFF_SIZE; - } while (num_trbs > 0); + block_len -= trb_buff_len; + + if (sg) { + if (block_len == 0) { + /* New sg entry */ + --num_sgs; + if (num_sgs == 0) + break; + sg = sg_next(sg); + } + } + } - check_trb_math(urb, num_trbs, running_total); + check_trb_math(urb, running_total); giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id, start_cycle, start_trb); return 0; @@ -3532,23 +3383,6 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, return 0; } -static int count_isoc_trbs_needed(struct xhci_hcd *xhci, - struct urb *urb, int i) -{ - int num_trbs = 0; - u64 addr, td_len; - - addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset); - td_len = urb->iso_frame_desc[i].length; - - num_trbs = DIV_ROUND_UP(td_len + (addr & (TRB_MAX_BUFF_SIZE - 1)), - TRB_MAX_BUFF_SIZE); - if (num_trbs == 0) - num_trbs++; - - return num_trbs; -} - /* * The transfer burst count field of the isochronous TRB defines the number of * bursts that are required to move all packets in this TD. Only SuperSpeed @@ -3746,7 +3580,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, last_burst_pkt_count = xhci_get_last_burst_packet_count(xhci, urb, total_pkt_count); - trbs_per_td = count_isoc_trbs_needed(xhci, urb, i); + trbs_per_td = count_isoc_trbs_needed(urb, i); ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, trbs_per_td, urb, i, mem_flags); @@ -3807,8 +3641,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field |= TRB_BEI; } /* Calculate TRB length */ - trb_buff_len = TRB_MAX_BUFF_SIZE - - (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1)); + trb_buff_len = TRB_BUFF_LEN_UP_TO_BOUNDARY(addr); if (trb_buff_len > td_remain_len) trb_buff_len = td_remain_len; @@ -3897,8 +3730,6 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, struct xhci_ring *ep_ring; struct xhci_ep_ctx *ep_ctx; int start_frame; - int xhci_interval; - int ep_interval; int num_tds, num_trbs, i; int ret; struct xhci_virt_ep *xep; @@ -3912,7 +3743,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, num_trbs = 0; num_tds = urb->number_of_packets; for (i = 0; i < num_tds; i++) - num_trbs += count_isoc_trbs_needed(xhci, urb, i); + num_trbs += count_isoc_trbs_needed(urb, i); /* Check the ring to guarantee there is enough room for the whole urb. * Do not insert any td of the urb to the ring if the check failed. @@ -3926,26 +3757,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, * Check interval value. This should be done before we start to * calculate the start frame value. */ - xhci_interval = EP_INTERVAL_TO_UFRAMES(le32_to_cpu(ep_ctx->ep_info)); - ep_interval = urb->interval; - /* Convert to microframes */ - if (urb->dev->speed == USB_SPEED_LOW || - urb->dev->speed == USB_SPEED_FULL) - ep_interval *= 8; - /* FIXME change this to a warning and a suggestion to use the new API - * to set the polling interval (once the API is added). - */ - if (xhci_interval != ep_interval) { - dev_dbg_ratelimited(&urb->dev->dev, - "Driver uses different interval (%d microframe%s) than xHCI (%d microframe%s)\n", - ep_interval, ep_interval == 1 ? "" : "s", - xhci_interval, xhci_interval == 1 ? "" : "s"); - urb->interval = xhci_interval; - /* Convert back to frames for LS/FS devices */ - if (urb->dev->speed == USB_SPEED_LOW || - urb->dev->speed == USB_SPEED_FULL) - urb->interval /= 8; - } + check_interval(xhci, urb, ep_ctx); /* Calculate the start frame and put it in urb->start_frame. */ if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) { diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 9e71c96ad74a..fa7e1ef36cd9 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1459,47 +1459,6 @@ free_priv: return ret; } -/* Get the right ring for the given URB. - * If the endpoint supports streams, boundary check the URB's stream ID. - * If the endpoint doesn't support streams, return the singular endpoint ring. - */ -static struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, - struct urb *urb) -{ - unsigned int slot_id; - unsigned int ep_index; - unsigned int stream_id; - struct xhci_virt_ep *ep; - - slot_id = urb->dev->slot_id; - ep_index = xhci_get_endpoint_index(&urb->ep->desc); - stream_id = urb->stream_id; - ep = &xhci->devs[slot_id]->eps[ep_index]; - /* Common case: no streams */ - if (!(ep->ep_state & EP_HAS_STREAMS)) - return ep->ring; - - if (stream_id == 0) { - xhci_warn(xhci, - "WARN: Slot ID %u, ep index %u has streams, " - "but URB has no stream ID.\n", - slot_id, ep_index); - return NULL; - } - - if (stream_id < ep->stream_info->num_streams) - return ep->stream_info->stream_rings[stream_id]; - - xhci_warn(xhci, - "WARN: Slot ID %u, ep index %u has " - "stream IDs 1 to %u allocated, " - "but stream ID %u is requested.\n", - slot_id, ep_index, - ep->stream_info->num_streams - 1, - stream_id); - return NULL; -} - /* * Remove the URB's TD from the endpoint ring. This may cause the HC to stop * USB transfers, potentially stopping in the middle of a TRB buffer. The HC diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 6c629c97f8ad..b0b8d0f8791a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1338,6 +1338,9 @@ union xhci_trb { /* TRB buffer pointers can't cross 64KB boundaries */ #define TRB_MAX_BUFF_SHIFT 16 #define TRB_MAX_BUFF_SIZE (1 << TRB_MAX_BUFF_SHIFT) +/* How much data is left before the 64KB boundary? */ +#define TRB_BUFF_LEN_UP_TO_BOUNDARY(addr) (TRB_MAX_BUFF_SIZE - \ + (addr & (TRB_MAX_BUFF_SIZE - 1))) struct xhci_segment { union xhci_trb *trbs; @@ -1965,4 +1968,15 @@ struct xhci_input_control_ctx *xhci_get_input_control_ctx(struct xhci_container_ struct xhci_slot_ctx *xhci_get_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx); struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int ep_index); +struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, + unsigned int slot_id, unsigned int ep_index, + unsigned int stream_id); +static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, + struct urb *urb) +{ + return xhci_triad_to_transfer_ring(xhci, urb->dev->slot_id, + xhci_get_endpoint_index(&urb->ep->desc), + urb->stream_id); +} + #endif /* __LINUX_XHCI_HCD_H */ diff --git a/drivers/usb/isp1760/isp1760-if.c b/drivers/usb/isp1760/isp1760-if.c index 264be4d21706..9535b2872183 100644 --- a/drivers/usb/isp1760/isp1760-if.c +++ b/drivers/usb/isp1760/isp1760-if.c @@ -163,7 +163,7 @@ static void isp1761_pci_shutdown(struct pci_dev *dev) printk(KERN_ERR "ips1761_pci_shutdown\n"); } -static const struct pci_device_id isp1760_plx [] = { +static const struct pci_device_id isp1760_plx[] = { { .class = PCI_CLASS_BRIDGE_OTHER << 8, .class_mask = ~0, diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index f7a7fc21be8a..e9e5ae521fa6 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -268,3 +268,29 @@ config USB_CHAOSKEY To compile this driver as a module, choose M here: the module will be called chaoskey. + +config UCSI + tristate "USB Type-C Connector System Software Interface driver" + depends on ACPI + help + UCSI driver is meant to be used as a convenience tool for desktop and + server systems that are not equipped to handle USB in device mode. It + will always select USB host role for the USB Type-C ports on systems + that provide UCSI interface. + + USB Type-C Connector System Software Interface (UCSI) is a + specification for an interface that allows the Operating System to + control the USB Type-C ports on a system. Things the need controlling + include the USB Data Role (host or device), and when USB Power + Delivery is supported, the Power Role (source or sink). With USB + Type-C connectors, when two dual role capable devices are attached + together, the data role is selected randomly. Therefore it is + important to give the OS a way to select the role. Otherwise the user + would have to unplug and replug in order in order to attempt to swap + the data and power roles. + + The UCSI specification can be downloaded from: + http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb-type-c-ucsi-spec.html + + To compile the driver as a module, choose M here: the module will be + called ucsi. diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 45fd4ac39d3e..2769cf6351b4 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_USB_SEVSEG) += usbsevseg.o obj-$(CONFIG_USB_YUREX) += yurex.o obj-$(CONFIG_USB_HSIC_USB3503) += usb3503.o obj-$(CONFIG_USB_CHAOSKEY) += chaoskey.o +obj-$(CONFIG_UCSI) += ucsi.o obj-$(CONFIG_USB_SISUSBVGA) += sisusbvga/ obj-$(CONFIG_USB_LINK_LAYER_TEST) += lvstest.o diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index a22de52cb083..15666ad7c772 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -2420,7 +2420,7 @@ static int sisusb_open(struct inode *inode, struct file *file) if (!sisusb->devinit) { if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH || - sisusb->sisusb_dev->speed == USB_SPEED_SUPER) { + sisusb->sisusb_dev->speed >= USB_SPEED_SUPER) { if (sisusb_init_gfxdevice(sisusb, 0)) { mutex_unlock(&sisusb->lock); dev_err(&sisusb->sisusb_dev->dev, @@ -3127,7 +3127,7 @@ static int sisusb_probe(struct usb_interface *intf, sisusb->present = 1; - if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) { + if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { int initscreen = 1; #ifdef INCL_SISUSB_CON if (sisusb_first_vc > 0 && sisusb_last_vc > 0 && diff --git a/drivers/usb/misc/ucsi.c b/drivers/usb/misc/ucsi.c new file mode 100644 index 000000000000..07397bddefa3 --- /dev/null +++ b/drivers/usb/misc/ucsi.c @@ -0,0 +1,478 @@ +/* + * USB Type-C Connector System Software Interface driver + * + * Copyright (C) 2016, Intel Corporation + * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/acpi.h> + +#include "ucsi.h" + +/* Double the time defined by MIN_TIME_TO_RESPOND_WITH_BUSY */ +#define UCSI_TIMEOUT_MS 20 + +enum ucsi_status { + UCSI_IDLE = 0, + UCSI_BUSY, + UCSI_ERROR, +}; + +struct ucsi_connector { + int num; + struct ucsi *ucsi; + struct work_struct work; + struct ucsi_connector_capability cap; +}; + +struct ucsi { + struct device *dev; + struct ucsi_data __iomem *data; + + enum ucsi_status status; + struct completion complete; + struct ucsi_capability cap; + struct ucsi_connector *connector; + + /* device lock */ + spinlock_t dev_lock; + + /* PPM Communication lock */ + struct mutex ppm_lock; + + /* PPM communication flags */ + unsigned long flags; +#define EVENT_PENDING 0 +#define COMMAND_PENDING 1 +}; + +static int ucsi_acpi_cmd(struct ucsi *ucsi, struct ucsi_control *ctrl) +{ + uuid_le uuid = UUID_LE(0x6f8398c2, 0x7ca4, 0x11e4, + 0xad, 0x36, 0x63, 0x10, 0x42, 0xb5, 0x00, 0x8f); + union acpi_object *obj; + + ucsi->data->ctrl.raw_cmd = ctrl->raw_cmd; + + obj = acpi_evaluate_dsm(ACPI_HANDLE(ucsi->dev), uuid.b, 1, 1, NULL); + if (!obj) { + dev_err(ucsi->dev, "%s: failed to evaluate _DSM\n", __func__); + return -EIO; + } + + ACPI_FREE(obj); + return 0; +} + +static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data) +{ + struct ucsi *ucsi = data; + struct ucsi_cci *cci; + + spin_lock(&ucsi->dev_lock); + + ucsi->status = UCSI_IDLE; + cci = &ucsi->data->cci; + + /* + * REVISIT: This is not documented behavior, but all known PPMs ACK + * asynchronous events by sending notification with cleared CCI. + */ + if (!ucsi->data->raw_cci) { + if (test_bit(EVENT_PENDING, &ucsi->flags)) + complete(&ucsi->complete); + else + dev_WARN(ucsi->dev, "spurious notification\n"); + goto out_unlock; + } + + if (test_bit(COMMAND_PENDING, &ucsi->flags)) { + if (cci->busy) { + ucsi->status = UCSI_BUSY; + complete(&ucsi->complete); + + goto out_unlock; + } else if (cci->ack_complete || cci->cmd_complete) { + /* Error Indication is only valid with commands */ + if (cci->error && cci->cmd_complete) + ucsi->status = UCSI_ERROR; + + ucsi->data->ctrl.raw_cmd = 0; + complete(&ucsi->complete); + } + } + + if (cci->connector_change) { + struct ucsi_connector *con; + + /* + * This is workaround for buggy PPMs that create asynchronous + * event notifications before OPM has enabled them. + */ + if (!ucsi->connector) + goto out_unlock; + + con = ucsi->connector + (cci->connector_change - 1); + + /* + * PPM will not clear the connector specific bit in Connector + * Change Indication field of CCI until the driver has ACK it, + * and the driver can not ACK it before it has been processed. + * The PPM will not generate new events before the first has + * been acknowledged, even if they are for an other connector. + * So only one event at a time. + */ + if (!test_and_set_bit(EVENT_PENDING, &ucsi->flags)) + schedule_work(&con->work); + } +out_unlock: + spin_unlock(&ucsi->dev_lock); +} + +static int ucsi_ack(struct ucsi *ucsi, u8 cmd) +{ + struct ucsi_control ctrl; + int ret; + + ctrl.cmd.cmd = UCSI_ACK_CC_CI; + ctrl.cmd.length = 0; + ctrl.cmd.data = cmd; + ret = ucsi_acpi_cmd(ucsi, &ctrl); + if (ret) + return ret; + + /* Waiting for ACK also with ACK CMD for now */ + ret = wait_for_completion_timeout(&ucsi->complete, + msecs_to_jiffies(UCSI_TIMEOUT_MS)); + if (!ret) + return -ETIMEDOUT; + return 0; +} + +static int ucsi_run_cmd(struct ucsi *ucsi, struct ucsi_control *ctrl, + void *data, size_t size) +{ + u16 err_value = 0; + int ret; + + set_bit(COMMAND_PENDING, &ucsi->flags); + + ret = ucsi_acpi_cmd(ucsi, ctrl); + if (ret) + goto err_clear_flag; + + ret = wait_for_completion_timeout(&ucsi->complete, + msecs_to_jiffies(UCSI_TIMEOUT_MS)); + if (!ret) { + ret = -ETIMEDOUT; + goto err_clear_flag; + } + + switch (ucsi->status) { + case UCSI_IDLE: + if (data) + memcpy(data, ucsi->data->message_in, size); + + ret = ucsi_ack(ucsi, UCSI_ACK_CMD); + break; + case UCSI_BUSY: + /* The caller decides whether to cancel or not */ + ret = -EBUSY; + goto err_clear_flag; + case UCSI_ERROR: + ret = ucsi_ack(ucsi, UCSI_ACK_CMD); + if (ret) + goto err_clear_flag; + + ctrl->cmd.cmd = UCSI_GET_ERROR_STATUS; + ctrl->cmd.length = 0; + ctrl->cmd.data = 0; + ret = ucsi_acpi_cmd(ucsi, ctrl); + if (ret) + goto err_clear_flag; + + ret = wait_for_completion_timeout(&ucsi->complete, + msecs_to_jiffies(UCSI_TIMEOUT_MS)); + if (!ret) { + ret = -ETIMEDOUT; + goto err_clear_flag; + } + + memcpy(&err_value, ucsi->data->message_in, sizeof(err_value)); + + /* Something has really gone wrong */ + if (WARN_ON(ucsi->status == UCSI_ERROR)) { + ret = -ENODEV; + goto err_clear_flag; + } + + ret = ucsi_ack(ucsi, UCSI_ACK_CMD); + if (ret) + goto err_clear_flag; + + switch (err_value) { + case UCSI_ERROR_INCOMPATIBLE_PARTNER: + ret = -EOPNOTSUPP; + break; + case UCSI_ERROR_CC_COMMUNICATION_ERR: + ret = -ECOMM; + break; + case UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL: + ret = -EIO; + break; + case UCSI_ERROR_DEAD_BATTERY: + dev_warn(ucsi->dev, "Dead battery condition!\n"); + ret = -EPERM; + break; + /* The following mean a bug in this driver */ + case UCSI_ERROR_INVALID_CON_NUM: + case UCSI_ERROR_UNREGONIZED_CMD: + case UCSI_ERROR_INVALID_CMD_ARGUMENT: + default: + dev_warn(ucsi->dev, + "%s: possible UCSI driver bug - error %hu\n", + __func__, err_value); + ret = -EINVAL; + break; + } + break; + } + ctrl->raw_cmd = 0; +err_clear_flag: + clear_bit(COMMAND_PENDING, &ucsi->flags); + return ret; +} + +static void ucsi_connector_change(struct work_struct *work) +{ + struct ucsi_connector *con = container_of(work, struct ucsi_connector, + work); + struct ucsi_connector_status constat; + struct ucsi *ucsi = con->ucsi; + struct ucsi_control ctrl; + int ret; + + mutex_lock(&ucsi->ppm_lock); + + ctrl.cmd.cmd = UCSI_GET_CONNECTOR_STATUS; + ctrl.cmd.length = 0; + ctrl.cmd.data = con->num; + ret = ucsi_run_cmd(con->ucsi, &ctrl, &constat, sizeof(constat)); + if (ret) { + dev_err(ucsi->dev, "%s: failed to read connector status (%d)\n", + __func__, ret); + goto out_ack_event; + } + + /* Ignoring disconnections and Alternate Modes */ + if (!constat.connected || !(constat.change & + (UCSI_CONSTAT_PARTNER_CHANGE | UCSI_CONSTAT_CONNECT_CHANGE)) || + constat.partner_flags & UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE) + goto out_ack_event; + + /* If the partner got USB Host role, attempting swap */ + if (constat.partner_type & UCSI_CONSTAT_PARTNER_TYPE_DFP) { + ctrl.uor.cmd = UCSI_SET_UOR; + ctrl.uor.con_num = con->num; + ctrl.uor.role = UCSI_UOR_ROLE_DFP; + + ret = ucsi_run_cmd(con->ucsi, &ctrl, NULL, 0); + if (ret) + dev_err(ucsi->dev, "%s: failed to swap role (%d)\n", + __func__, ret); + } +out_ack_event: + ucsi_ack(ucsi, UCSI_ACK_EVENT); + clear_bit(EVENT_PENDING, &ucsi->flags); + mutex_unlock(&ucsi->ppm_lock); +} + +static int ucsi_reset_ppm(struct ucsi *ucsi) +{ + int timeout = UCSI_TIMEOUT_MS; + struct ucsi_control ctrl; + int ret; + + memset(&ctrl, 0, sizeof(ctrl)); + ctrl.cmd.cmd = UCSI_PPM_RESET; + ret = ucsi_acpi_cmd(ucsi, &ctrl); + if (ret) + return ret; + + /* There is no quarantee the PPM will ever set the RESET_COMPLETE bit */ + while (!ucsi->data->cci.reset_complete && timeout--) + usleep_range(1000, 2000); + return 0; +} + +static int ucsi_init(struct ucsi *ucsi) +{ + struct ucsi_connector *con; + struct ucsi_control ctrl; + int ret; + int i; + + init_completion(&ucsi->complete); + spin_lock_init(&ucsi->dev_lock); + mutex_init(&ucsi->ppm_lock); + + /* Reset the PPM */ + ret = ucsi_reset_ppm(ucsi); + if (ret) + return ret; + + /* + * REVISIT: Executing second reset to WA an issue seen on some of the + * Broxton based platforms, where the first reset puts the PPM into a + * state where it's unable to recognise some of the commands. + */ + ret = ucsi_reset_ppm(ucsi); + if (ret) + return ret; + + mutex_lock(&ucsi->ppm_lock); + + /* Enable basic notifications */ + ctrl.cmd.cmd = UCSI_SET_NOTIFICATION_ENABLE; + ctrl.cmd.length = 0; + ctrl.cmd.data = UCSI_ENABLE_NTFY_CMD_COMPLETE | UCSI_ENABLE_NTFY_ERROR; + ret = ucsi_run_cmd(ucsi, &ctrl, NULL, 0); + if (ret) + goto err_reset; + + /* Get PPM capabilities */ + ctrl.cmd.cmd = UCSI_GET_CAPABILITY; + ret = ucsi_run_cmd(ucsi, &ctrl, &ucsi->cap, sizeof(ucsi->cap)); + if (ret) + goto err_reset; + + if (!ucsi->cap.num_connectors) { + ret = -ENODEV; + goto err_reset; + } + + ucsi->connector = devm_kcalloc(ucsi->dev, ucsi->cap.num_connectors, + sizeof(*ucsi->connector), GFP_KERNEL); + if (!ucsi->connector) { + ret = -ENOMEM; + goto err_reset; + } + + for (i = 1, con = ucsi->connector; i < ucsi->cap.num_connectors + 1; + i++, con++) { + /* Get connector capability */ + ctrl.cmd.cmd = UCSI_GET_CONNECTOR_CAPABILITY; + ctrl.cmd.data = i; + ret = ucsi_run_cmd(ucsi, &ctrl, &con->cap, sizeof(con->cap)); + if (ret) + goto err_reset; + + con->num = i; + con->ucsi = ucsi; + INIT_WORK(&con->work, ucsi_connector_change); + } + + /* Enable all notifications */ + ctrl.cmd.cmd = UCSI_SET_NOTIFICATION_ENABLE; + ctrl.cmd.data = UCSI_ENABLE_NTFY_ALL; + ret = ucsi_run_cmd(ucsi, &ctrl, NULL, 0); + if (ret < 0) + goto err_reset; + + mutex_unlock(&ucsi->ppm_lock); + return 0; +err_reset: + ucsi_reset_ppm(ucsi); + mutex_unlock(&ucsi->ppm_lock); + return ret; +} + +static int ucsi_acpi_probe(struct platform_device *pdev) +{ + struct resource *res; + acpi_status status; + struct ucsi *ucsi; + int ret; + + ucsi = devm_kzalloc(&pdev->dev, sizeof(*ucsi), GFP_KERNEL); + if (!ucsi) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "missing memory resource\n"); + return -ENODEV; + } + + /* + * NOTE: ACPI has claimed the memory region as it's also an Operation + * Region. It's not possible to request it in the driver. + */ + ucsi->data = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!ucsi->data) + return -ENOMEM; + + ucsi->dev = &pdev->dev; + + status = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev), + ACPI_ALL_NOTIFY, + ucsi_acpi_notify, ucsi); + if (ACPI_FAILURE(status)) + return -ENODEV; + + ret = ucsi_init(ucsi); + if (ret) { + acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev), + ACPI_ALL_NOTIFY, + ucsi_acpi_notify); + return ret; + } + + platform_set_drvdata(pdev, ucsi); + return 0; +} + +static int ucsi_acpi_remove(struct platform_device *pdev) +{ + struct ucsi *ucsi = platform_get_drvdata(pdev); + + acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev), + ACPI_ALL_NOTIFY, ucsi_acpi_notify); + + /* Make sure there are no events in the middle of being processed */ + if (wait_on_bit_timeout(&ucsi->flags, EVENT_PENDING, + TASK_UNINTERRUPTIBLE, + msecs_to_jiffies(UCSI_TIMEOUT_MS))) + dev_WARN(ucsi->dev, "%s: Events still pending\n", __func__); + + ucsi_reset_ppm(ucsi); + return 0; +} + +static const struct acpi_device_id ucsi_acpi_match[] = { + { "PNP0CA0", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, ucsi_acpi_match); + +static struct platform_driver ucsi_acpi_platform_driver = { + .driver = { + .name = "ucsi_acpi", + .acpi_match_table = ACPI_PTR(ucsi_acpi_match), + }, + .probe = ucsi_acpi_probe, + .remove = ucsi_acpi_remove, +}; + +module_platform_driver(ucsi_acpi_platform_driver); + +MODULE_AUTHOR("Heikki Krogerus <heikki.krogerus@linux.intel.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("USB Type-C System Software Interface (UCSI) driver"); diff --git a/drivers/usb/misc/ucsi.h b/drivers/usb/misc/ucsi.h new file mode 100644 index 000000000000..6dd11d1fe225 --- /dev/null +++ b/drivers/usb/misc/ucsi.h @@ -0,0 +1,215 @@ + +#include <linux/types.h> + +/* -------------------------------------------------------------------------- */ + +/* Command Status and Connector Change Indication (CCI) data structure */ +struct ucsi_cci { + unsigned int RESERVED1:1; + unsigned int connector_change:7; + u8 data_length; + unsigned int RESERVED9:9; + unsigned int not_supported:1; + unsigned int cancel_complete:1; + unsigned int reset_complete:1; + unsigned int busy:1; + unsigned int ack_complete:1; + unsigned int error:1; + unsigned int cmd_complete:1; +} __packed; + +/* Default fields in CONTROL data structure */ +struct ucsi_command { + u8 cmd; + u8 length; + u64 data:48; +} __packed; + +/* Set USB Operation Mode Command structure */ +struct ucsi_uor_cmd { + u8 cmd; + u8 length; + u64 con_num:7; + u64 role:3; +#define UCSI_UOR_ROLE_DFP BIT(0) +#define UCSI_UOR_ROLE_UFP BIT(1) +#define UCSI_UOR_ROLE_DRP BIT(2) + u64 data:38; +} __packed; + +struct ucsi_control { + union { + u64 raw_cmd; + struct ucsi_command cmd; + struct ucsi_uor_cmd uor; + }; +}; + +struct ucsi_data { + u16 version; + u16 RESERVED; + union { + u32 raw_cci; + struct ucsi_cci cci; + }; + struct ucsi_control ctrl; + u32 message_in[4]; + u32 message_out[4]; +} __packed; + +/* Commands */ +#define UCSI_PPM_RESET 0x01 +#define UCSI_CANCEL 0x02 +#define UCSI_CONNECTOR_RESET 0x03 +#define UCSI_ACK_CC_CI 0x04 +#define UCSI_SET_NOTIFICATION_ENABLE 0x05 +#define UCSI_GET_CAPABILITY 0x06 +#define UCSI_GET_CONNECTOR_CAPABILITY 0x07 +#define UCSI_SET_UOM 0x08 +#define UCSI_SET_UOR 0x09 +#define UCSI_SET_PDM 0x0A +#define UCSI_SET_PDR 0x0B +#define UCSI_GET_ALTERNATE_MODES 0x0C +#define UCSI_GET_CAM_SUPPORTED 0x0D +#define UCSI_GET_CURRENT_CAM 0x0E +#define UCSI_SET_NEW_CAM 0x0F +#define UCSI_GET_PDOS 0x10 +#define UCSI_GET_CABLE_PROPERTY 0x11 +#define UCSI_GET_CONNECTOR_STATUS 0x12 +#define UCSI_GET_ERROR_STATUS 0x13 + +/* ACK_CC_CI commands */ +#define UCSI_ACK_EVENT 1 +#define UCSI_ACK_CMD 2 + +/* Bits for SET_NOTIFICATION_ENABLE command */ +#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(0) +#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(1) +#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(2) +#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(5) +#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(6) +#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(7) +#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(8) +#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(9) +#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(11) +#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(12) +#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(14) +#define UCSI_ENABLE_NTFY_ERROR BIT(15) +#define UCSI_ENABLE_NTFY_ALL 0xdbe7 + +/* Error information returned by PPM in response to GET_ERROR_STATUS command. */ +#define UCSI_ERROR_UNREGONIZED_CMD BIT(0) +#define UCSI_ERROR_INVALID_CON_NUM BIT(1) +#define UCSI_ERROR_INVALID_CMD_ARGUMENT BIT(2) +#define UCSI_ERROR_INCOMPATIBLE_PARTNER BIT(3) +#define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4) +#define UCSI_ERROR_DEAD_BATTERY BIT(5) +#define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6) + +/* Data structure filled by PPM in response to GET_CAPABILITY command. */ +struct ucsi_capability { + u32 attributes; +#define UCSI_CAP_ATTR_DISABLE_STATE BIT(0) +#define UCSI_CAP_ATTR_BATTERY_CHARGING BIT(1) +#define UCSI_CAP_ATTR_USB_PD BIT(2) +#define UCSI_CAP_ATTR_TYPEC_CURRENT BIT(6) +#define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8) +#define UCSI_CAP_ATTR_POWER_OTHER BIT(10) +#define UCSI_CAP_ATTR_POWER_VBUS BIT(14) + u8 num_connectors; + u32 features:24; +#define UCSI_CAP_SET_UOM BIT(0) +#define UCSI_CAP_SET_PDM BIT(1) +#define UCSI_CAP_ALT_MODE_DETAILS BIT(2) +#define UCSI_CAP_ALT_MODE_OVERRIDE BIT(3) +#define UCSI_CAP_PDO_DETAILS BIT(4) +#define UCSI_CAP_CABLE_DETAILS BIT(5) +#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6) +#define UCSI_CAP_PD_RESET BIT(7) + u8 num_alt_modes; + u8 RESERVED; + u16 bc_version; + u16 pd_version; + u16 typec_version; +} __packed; + +/* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */ +struct ucsi_connector_capability { + u8 op_mode; +#define UCSI_CONCAP_OPMODE_DFP BIT(0) +#define UCSI_CONCAP_OPMODE_UFP BIT(1) +#define UCSI_CONCAP_OPMODE_DRP BIT(2) +#define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY BIT(3) +#define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY BIT(4) +#define UCSI_CONCAP_OPMODE_USB2 BIT(5) +#define UCSI_CONCAP_OPMODE_USB3 BIT(6) +#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7) + u8 provider:1; + u8 consumer:1; +} __packed; + +/* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */ +struct ucsi_cable_property { + u16 speed_supported; + u8 current_capability; + u8 vbus_in_cable:1; + u8 active_cable:1; + u8 directionality:1; + u8 plug_type:2; +#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0 +#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1 +#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2 +#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3 + u8 mode_support:1; + u8 RESERVED_2:2; + u8 latency:4; + u8 RESERVED_4:4; +} __packed; + +/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */ +struct ucsi_connector_status { + u16 change; +#define UCSI_CONSTAT_EXT_SUPPLY_CHANGE BIT(1) +#define UCSI_CONSTAT_POWER_OPMODE_CHANGE BIT(2) +#define UCSI_CONSTAT_PDOS_CHANGE BIT(5) +#define UCSI_CONSTAT_POWER_LEVEL_CHANGE BIT(6) +#define UCSI_CONSTAT_PD_RESET_COMPLETE BIT(7) +#define UCSI_CONSTAT_CAM_CHANGE BIT(8) +#define UCSI_CONSTAT_BC_CHANGE BIT(9) +#define UCSI_CONSTAT_PARTNER_CHANGE BIT(11) +#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12) +#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14) +#define UCSI_CONSTAT_ERROR BIT(15) + u16 pwr_op_mode:3; +#define UCSI_CONSTAT_PWR_OPMODE_NONE 0 +#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1 +#define UCSI_CONSTAT_PWR_OPMODE_BC 2 +#define UCSI_CONSTAT_PWR_OPMODE_PD 3 +#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_3 4 +#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5 + u16 connected:1; + u16 pwr_dir:1; + u16 partner_flags:8; +#define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0) +#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1) + u16 partner_type:3; +#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1 +#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2 +#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_NO_UFP 3 /* Powered Cable */ +#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */ +#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5 +#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6 + u32 request_data_obj; + u8 bc_status:2; +#define UCSI_CONSTAT_BC_NOT_CHARGING 0 +#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1 +#define UCSI_CONSTAT_BC_SLOW_CHARGING 2 +#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3 + u8 provider_cap_limit_reason:4; +#define UCSI_CONSTAT_CAP_PWR_LOWERED 0 +#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1 + u8 RESERVED:2; +} __packed; + +/* -------------------------------------------------------------------------- */ + diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 92fdb6e9faff..6b978f04b8d7 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -287,6 +287,9 @@ static struct urb *usbtest_alloc_urb( if (usb_pipein(pipe)) urb->transfer_flags |= URB_SHORT_NOT_OK; + if ((bytes + offset) == 0) + return urb; + if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, GFP_KERNEL, &urb->transfer_dma); @@ -529,6 +532,7 @@ static struct scatterlist * alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) { struct scatterlist *sg; + unsigned int n_size = 0; unsigned i; unsigned size = max; unsigned maxpacket = @@ -561,7 +565,8 @@ alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) break; case 1: for (j = 0; j < size; j++) - *buf++ = (u8) ((j % maxpacket) % 63); + *buf++ = (u8) (((j + n_size) % maxpacket) % 63); + n_size += size; break; } diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 5e5a8fa005f8..bc8889956d17 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -83,9 +83,9 @@ static int jz4740_musb_init(struct musb *musb) { usb_phy_generic_register(); musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); - if (!musb->xceiv) { + if (IS_ERR(musb->xceiv)) { pr_err("HS UDC: no transceiver configured\n"); - return -ENODEV; + return PTR_ERR(musb->xceiv); } /* Silicon does not implement ConfigData register. diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 87bd578799a8..152865b36522 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1164,12 +1164,12 @@ static int musb_gadget_disable(struct usb_ep *ep) musb_writew(epio, MUSB_RXMAXP, 0); } - musb_ep->desc = NULL; - musb_ep->end_point.desc = NULL; - /* abort all pending DMA and requests */ nuke(musb_ep, -ESHUTDOWN); + musb_ep->desc = NULL; + musb_ep->end_point.desc = NULL; + schedule_work(&musb->irq_work); spin_unlock_irqrestore(&(musb->lock), flags); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 58487a473521..2f8ad7f1f482 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2735,7 +2735,7 @@ static const struct hc_driver musb_hc_driver = { .description = "musb-hcd", .product_desc = "MUSB HDRC host driver", .hcd_priv_size = sizeof(struct musb *), - .flags = HCD_USB2 | HCD_MEMORY | HCD_BH, + .flags = HCD_USB2 | HCD_MEMORY, /* not using irq handler or reset hooks from usbcore, since * those must be shared with peripheral code for OTG configs diff --git a/drivers/usb/phy/phy-qcom-8x16-usb.c b/drivers/usb/phy/phy-qcom-8x16-usb.c index 3d7af85aecb9..d8593adb3621 100644 --- a/drivers/usb/phy/phy-qcom-8x16-usb.c +++ b/drivers/usb/phy/phy-qcom-8x16-usb.c @@ -240,10 +240,7 @@ static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) qphy->switch_gpio = devm_gpiod_get_optional(dev, "switch", GPIOD_OUT_LOW); - if (IS_ERR(qphy->switch_gpio)) - return PTR_ERR(qphy->switch_gpio); - - return 0; + return PTR_ERR_OR_ZERO(qphy->switch_gpio); } static int phy_8x16_reboot_notify(struct notifier_block *this, diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c index 014dbbd72132..24e2b3cf1867 100644 --- a/drivers/usb/phy/phy-twl6030-usb.c +++ b/drivers/usb/phy/phy-twl6030-usb.c @@ -155,13 +155,13 @@ static int twl6030_start_srp(struct phy_companion *comparator) static int twl6030_usb_ldo_init(struct twl6030_usb *twl) { /* Set to OTG_REV 1.3 and turn on the ID_WAKEUP_COMP */ - twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG); + twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_BACKUP_REG); /* Program CFG_LDO_PD2 register and set VUSB bit */ - twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_CFG_LDO_PD2); + twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_CFG_LDO_PD2); /* Program MISC2 register and set bit VUSB_IN_VBAT */ - twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x10, TWL6030_MISC2); + twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x10, TWL6030_MISC2); twl->usb3v3 = regulator_get(twl->dev, twl->regulator); if (IS_ERR(twl->usb3v3)) @@ -301,10 +301,10 @@ static void otg_set_vbus_work(struct work_struct *data) */ if (twl->vbus_enable) - twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE , 0x40, + twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x40, CHARGERUSB_CTRL1); else - twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE , 0x00, + twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x00, CHARGERUSB_CTRL1); } diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 000f9750149f..7be4e7d57ace 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -799,8 +799,10 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) struct usbhs_pipe *pipe = pkt->pipe; struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv); + struct usbhs_fifo *fifo = usbhs_pipe_to_fifo(pipe); + struct dma_chan *chan = usbhsf_dma_chan_get(fifo, pkt); - return info->dma_map_ctrl(pkt, map); + return info->dma_map_ctrl(chan->device->dev, pkt, map); } static void usbhsf_dma_complete(void *arg); @@ -881,12 +883,12 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) if (!fifo) goto usbhsf_pio_prepare_push; - if (usbhsf_dma_map(pkt) < 0) - goto usbhsf_pio_prepare_push; - ret = usbhsf_fifo_select(pipe, fifo, 0); if (ret < 0) - goto usbhsf_pio_prepare_push_unmap; + goto usbhsf_pio_prepare_push; + + if (usbhsf_dma_map(pkt) < 0) + goto usbhsf_pio_prepare_push_unselect; pkt->trans = len; @@ -896,8 +898,8 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) return 0; -usbhsf_pio_prepare_push_unmap: - usbhsf_dma_unmap(pkt); +usbhsf_pio_prepare_push_unselect: + usbhsf_fifo_unselect(pipe, fifo); usbhsf_pio_prepare_push: /* * change handler to PIO diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 53d104b56ef1..30345c2d01be 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -191,13 +191,12 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, /* * dma map/unmap */ -static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map) +static int usbhsg_dma_map_ctrl(struct device *dma_dev, struct usbhs_pkt *pkt, + int map) { struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); struct usb_request *req = &ureq->req; struct usbhs_pipe *pipe = pkt->pipe; - struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe); - struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); enum dma_data_direction dir; int ret = 0; @@ -207,13 +206,13 @@ static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map) /* it can not use scatter/gather */ WARN_ON(req->num_sgs); - ret = usb_gadget_map_request(&gpriv->gadget, req, dir); + ret = usb_gadget_map_request_by_dev(dma_dev, req, dir); if (ret < 0) return ret; pkt->dma = req->dma; } else { - usb_gadget_unmap_request(&gpriv->gadget, req, dir); + usb_gadget_unmap_request_by_dev(dma_dev, req, dir); } return ret; diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 1a8e4c45c4c5..3bf0b72eb359 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -929,7 +929,8 @@ static int usbhsh_dcp_queue_push(struct usb_hcd *hcd, /* * dma map functions */ -static int usbhsh_dma_map_ctrl(struct usbhs_pkt *pkt, int map) +static int usbhsh_dma_map_ctrl(struct device *dma_dev, struct usbhs_pkt *pkt, + int map) { if (map) { struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt); diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 78e9dba701c4..c238772b9e9e 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -391,9 +391,8 @@ void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len) /* * pipe setup */ -static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, - int is_host, - int dir_in) +static int usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, int is_host, + int dir_in, u16 *pipecfg) { u16 type = 0; u16 bfre = 0; @@ -451,14 +450,14 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, /* EPNUM */ epnum = 0; /* see usbhs_pipe_config_update() */ - - return type | - bfre | - dblb | - cntmd | - dir | - shtnak | - epnum; + *pipecfg = type | + bfre | + dblb | + cntmd | + dir | + shtnak | + epnum; + return 0; } static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe) @@ -655,7 +654,8 @@ static void usbhsp_put_pipe(struct usbhs_pipe *pipe) } void usbhs_pipe_init(struct usbhs_priv *priv, - int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)) + int (*dma_map_ctrl)(struct device *dma_dev, + struct usbhs_pkt *pkt, int map)) { struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv); struct usbhs_pipe *pipe; @@ -702,7 +702,11 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, return NULL; } - pipecfg = usbhsp_setup_pipecfg(pipe, is_host, dir_in); + if (usbhsp_setup_pipecfg(pipe, is_host, dir_in, &pipecfg)) { + dev_err(dev, "can't setup pipe\n"); + return NULL; + } + pipebuf = usbhsp_setup_pipebuff(pipe); usbhsp_pipe_select(pipe); diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 7835747f9803..95185fdb29b1 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -47,7 +47,8 @@ struct usbhs_pipe_info { struct usbhs_pipe *pipe; int size; /* array size of "pipe" */ - int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map); + int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt, + int map); }; /* @@ -84,7 +85,8 @@ int usbhs_pipe_is_running(struct usbhs_pipe *pipe); void usbhs_pipe_running(struct usbhs_pipe *pipe, int running); void usbhs_pipe_init(struct usbhs_priv *priv, - int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)); + int (*dma_map_ctrl)(struct device *dma_dev, + struct usbhs_pkt *pkt, int map)); int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); void usbhs_pipe_clear(struct usbhs_pipe *pipe); int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index df1808201207..96a70789b4c2 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -109,6 +109,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */ { USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */ { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */ + { USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */ { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */ @@ -118,6 +119,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */ { USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */ { USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */ + { USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */ { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */ { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */ { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ @@ -141,6 +143,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */ { USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */ { USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */ + { USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */ + { USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */ { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */ { USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */ { USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c6f497f16526..d96d423d00e6 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -375,18 +375,22 @@ static void option_instat_callback(struct urb *urb); #define HAIER_PRODUCT_CE81B 0x10f8 #define HAIER_PRODUCT_CE100 0x2009 -/* Cinterion (formerly Siemens) products */ -#define SIEMENS_VENDOR_ID 0x0681 -#define CINTERION_VENDOR_ID 0x1e2d +/* Gemalto's Cinterion products (formerly Siemens) */ +#define SIEMENS_VENDOR_ID 0x0681 +#define CINTERION_VENDOR_ID 0x1e2d +#define CINTERION_PRODUCT_HC25_MDMNET 0x0040 #define CINTERION_PRODUCT_HC25_MDM 0x0047 -#define CINTERION_PRODUCT_HC25_MDMNET 0x0040 +#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */ #define CINTERION_PRODUCT_HC28_MDM 0x004C -#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */ #define CINTERION_PRODUCT_EU3_E 0x0051 #define CINTERION_PRODUCT_EU3_P 0x0052 #define CINTERION_PRODUCT_PH8 0x0053 #define CINTERION_PRODUCT_AHXX 0x0055 #define CINTERION_PRODUCT_PLXX 0x0060 +#define CINTERION_PRODUCT_PH8_2RMNET 0x0082 +#define CINTERION_PRODUCT_PH8_AUDIO 0x0083 +#define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 +#define CINTERION_PRODUCT_AHXX_AUDIO 0x0085 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c @@ -633,6 +637,10 @@ static const struct option_blacklist_info telit_le922_blacklist_usbcfg3 = { .reserved = BIT(1) | BIT(2) | BIT(3), }; +static const struct option_blacklist_info cinterion_rmnet2_blacklist = { + .reserved = BIT(4) | BIT(5), +}; + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -1602,7 +1610,79 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffe9, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff42, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff43, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff44, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff45, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff46, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff47, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff48, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff49, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4a, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4b, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4c, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4d, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4e, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff50, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff51, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff52, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff53, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff54, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff55, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff56, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff57, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff58, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff59, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5a, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5b, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5c, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5d, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5e, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff60, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff61, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff62, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff63, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff64, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff65, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff66, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff67, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff68, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff69, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6a, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6b, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6c, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6d, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6e, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff70, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff71, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff72, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff73, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff74, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff75, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff76, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff77, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff78, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff79, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7a, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7b, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7c, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7d, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7e, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff80, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff81, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff82, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff83, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff84, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff85, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff86, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff87, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff88, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff89, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8a, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8b, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8c, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8d, 0xff, 0xff, 0xff) }, @@ -1613,6 +1693,61 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff92, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff93, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff94, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff9f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa0, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa1, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa2, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa3, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa4, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa5, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa6, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa7, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa8, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa9, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffaa, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffab, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffac, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffae, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffaf, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb0, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb1, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb2, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb3, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb4, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb5, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb6, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb7, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb8, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb9, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffba, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbb, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbc, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbd, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbe, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbf, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc0, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc1, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc2, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc3, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc4, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc5, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc6, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc7, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc8, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc9, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffca, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcb, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcc, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcd, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffce, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcf, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd0, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd1, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd2, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd3, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd4, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd5, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffe9, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffec, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffee, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xfff6, 0xff, 0xff, 0xff) }, @@ -1712,7 +1847,13 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX, 0xff) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_2RMNET, 0xff), + .driver_info = (kernel_ulong_t)&cinterion_rmnet2_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_AUDIO, 0xff), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) }, diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 171fa7d793bc..1d8b03c81030 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -829,8 +829,10 @@ static int alauda_write_lba(struct us_data *us, u16 lba, pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset]; if (pba == 1) { - /* Maybe it is impossible to write to PBA 1. - Fake success, but don't do anything. */ + /* + * Maybe it is impossible to write to PBA 1. + * Fake success, but don't do anything. + */ printk(KERN_WARNING "alauda_write_lba: avoid writing to pba 1\n"); return USB_STOR_TRANSPORT_GOOD; @@ -977,10 +979,12 @@ static int alauda_read_data(struct us_data *us, unsigned long address, usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n", pages, lba, page); - /* This is not really an error. It just means - that the block has never been written. - Instead of returning USB_STOR_TRANSPORT_ERROR - it is better to return all zero data. */ + /* + * This is not really an error. It just means + * that the block has never been written. + * Instead of returning USB_STOR_TRANSPORT_ERROR + * it is better to return all zero data. + */ memset(buffer, 0, len); } else { @@ -1222,8 +1226,10 @@ static int alauda_transport(struct scsi_cmnd *srb, struct us_data *us) } if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { - /* sure. whatever. not like we can stop the user from popping - the media out of the device (no locking doors, etc) */ + /* + * sure. whatever. not like we can stop the user from popping + * the media out of the device (no locking doors, etc) + */ return USB_STOR_TRANSPORT_GOOD; } diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index c80d3dec9a34..5e4af44d7d9f 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -110,13 +110,17 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) /* first build the ATACB command */ srb->cmd_len = 16; - srb->cmnd[0] = 0x24; /* bVSCBSignature : vendor-specific command - this value can change, but most(all ?) manufacturers - keep the cypress default : 0x24 */ + srb->cmnd[0] = 0x24; /* + * bVSCBSignature : vendor-specific command + * this value can change, but most(all ?) manufacturers + * keep the cypress default : 0x24 + */ srb->cmnd[1] = 0x24; /* bVSCBSubCommand : 0x24 for ATACB */ - srb->cmnd[3] = 0xff - 1; /* features, sector count, lba low, lba med - lba high, device, command are valid */ + srb->cmnd[3] = 0xff - 1; /* + * features, sector count, lba low, lba med + * lba high, device, command are valid + */ srb->cmnd[4] = 1; /* TransferBlockCount : 512 */ if (save_cmnd[0] == ATA_16) { @@ -155,8 +159,7 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) usb_stor_transparent_scsi_command(srb, us); - /* if the device doesn't support ATACB - */ + /* if the device doesn't support ATACB */ if (srb->result == SAM_STAT_CHECK_CONDITION && memcmp(srb->sense_buffer, usb_stor_sense_invalidCDB, sizeof(usb_stor_sense_invalidCDB)) == 0) { @@ -164,7 +167,8 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) goto end; } - /* if ck_cond flags is set, and there wasn't critical error, + /* + * if ck_cond flags is set, and there wasn't critical error, * build the special sense */ if ((srb->result != (DID_ERROR << 16) && @@ -176,11 +180,11 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) unsigned char *desc = sb + 8; int tmp_result; - /* build the command for - * reading the ATA registers */ + /* build the command for reading the ATA registers */ scsi_eh_prep_cmnd(srb, &ses, NULL, 0, sizeof(regs)); - /* we use the same command as before, but we set + /* + * we use the same command as before, but we set * the read taskfile bit, for not executing atacb command, * but reading register selected in srb->cmnd[4] */ @@ -204,10 +208,11 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) sb[2] = 0; /* ATA PASS THROUGH INFORMATION AVAILABLE */ sb[3] = 0x1D; - /* XXX we should generate sk, asc, ascq from status and error + /* + * XXX we should generate sk, asc, ascq from status and error * regs * (see 11.1 Error translation ATA device error to SCSI error - * map, and ata_to_sense_error from libata.) + * map, and ata_to_sense_error from libata.) */ /* Sense data is current and format is descriptor. */ @@ -258,7 +263,8 @@ static int cypress_probe(struct usb_interface *intf, if (result) return result; - /* Among CY7C68300 chips, the A revision does not support Cypress ATACB + /* + * Among CY7C68300 chips, the A revision does not support Cypress ATACB * Filter out this revision from EEPROM default descriptor values */ device = interface_to_usbdev(intf); diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c index aa4f51944a4a..723197af6ec5 100644 --- a/drivers/usb/storage/datafab.c +++ b/drivers/usb/storage/datafab.c @@ -1,4 +1,5 @@ -/* Driver for Datafab USB Compact Flash reader +/* + * Driver for Datafab USB Compact Flash reader * * datafab driver v0.1: * @@ -693,18 +694,23 @@ static int datafab_transport(struct scsi_cmnd *srb, struct us_data *us) } if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { - // sure. whatever. not like we can stop the user from - // popping the media out of the device (no locking doors, etc) - // + /* + * sure. whatever. not like we can stop the user from + * popping the media out of the device (no locking doors, etc) + */ return USB_STOR_TRANSPORT_GOOD; } if (srb->cmnd[0] == START_STOP) { - /* this is used by sd.c'check_scsidisk_media_change to detect - media change */ + /* + * this is used by sd.c'check_scsidisk_media_change to detect + * media change + */ usb_stor_dbg(us, "START_STOP\n"); - /* the first datafab_id_device after a media change returns - an error (determined experimentally) */ + /* + * the first datafab_id_device after a media change returns + * an error (determined experimentally) + */ rc = datafab_id_device(us, info); if (rc == USB_STOR_TRANSPORT_GOOD) { info->sense_key = NO_SENSE; diff --git a/drivers/usb/storage/debug.c b/drivers/usb/storage/debug.c index 5a12c03138f8..8d20804a59e6 100644 --- a/drivers/usb/storage/debug.c +++ b/drivers/usb/storage/debug.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Debugging Functions Source Code File * * Current development and maintenance by: diff --git a/drivers/usb/storage/debug.h b/drivers/usb/storage/debug.h index 6b365ce4e610..8ab73299b650 100644 --- a/drivers/usb/storage/debug.h +++ b/drivers/usb/storage/debug.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Debugging Functions Header File * * Current development and maintenance by: diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index d3a17c65a702..02bdaa912164 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -560,8 +560,10 @@ static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg) /* check bulk status */ residue = le32_to_cpu(bcs->Residue); - /* try to compute the actual residue, based on how much data - * was really transferred and what the device tells us */ + /* + * try to compute the actual residue, based on how much data + * was really transferred and what the device tells us + */ if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) { residue = min(residue, transfer_length); if (us->srb != NULL) @@ -862,9 +864,6 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, u8 ExtBuf[4]; u32 bn = PhyBlockAddr * 0x20 + PageNum; - /* printk(KERN_INFO "MS --- MS_ReaderReadPage, - PhyBlockAddr = %x, PageNum = %x\n", PhyBlockAddr, PageNum); */ - result = ene_load_bincode(us, MS_RW_PATTERN); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -1141,8 +1140,6 @@ static int ms_read_copyblock(struct us_data *us, u16 oldphy, u16 newphy, struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; int result; - /* printk(KERN_INFO "MS_ReaderCopyBlock --- PhyBlockAddr = %x, - PageNum = %x\n", PhyBlockAddr, PageNum); */ result = ene_load_bincode(us, MS_RW_PATTERN); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -1176,8 +1173,6 @@ static int ms_read_eraseblock(struct us_data *us, u32 PhyBlockAddr) int result; u32 bn = PhyBlockAddr; - /* printk(KERN_INFO "MS --- ms_read_eraseblock, - PhyBlockAddr = %x\n", PhyBlockAddr); */ result = ene_load_bincode(us, MS_RW_PATTERN); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -1255,8 +1250,6 @@ static int ms_lib_overwrite_extra(struct us_data *us, u32 PhyBlockAddr, struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; int result; - /* printk("MS --- MS_LibOverwriteExtra, - PhyBlockAddr = %x, PageNum = %x\n", PhyBlockAddr, PageNum); */ result = ene_load_bincode(us, MS_RW_PATTERN); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -1342,7 +1335,6 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock, int result; u8 ExtBuf[4]; - /* printk("MS_LibReadExtra --- PhyBlock = %x, PageNum = %x\n", PhyBlock, PageNum); */ memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; @@ -1541,9 +1533,6 @@ static int ms_lib_read_extrablock(struct us_data *us, u32 PhyBlock, struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; int result; - /* printk("MS_LibReadExtraBlock --- PhyBlock = %x, - PageNum = %x, blen = %x\n", PhyBlock, PageNum, blen); */ - /* Read Extra Data */ memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); @@ -2390,8 +2379,10 @@ static int ene_ub6250_reset_resume(struct usb_interface *iface) /* Report the reset to the SCSI core */ usb_stor_reset_resume(iface); - /* FIXME: Notify the subdrivers that they need to reinitialize - * the device */ + /* + * FIXME: Notify the subdrivers that they need to reinitialize + * the device + */ info->Power_IsResum = true; /*info->SD_Status.Ready = 0; */ info->SD_Status = *(struct SD_STATUS *)&tmp; diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index 3f2b08966b9d..c0a5d954414b 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -1,4 +1,5 @@ -/* Driver for Freecom USB/IDE adaptor +/* + * Driver for Freecom USB/IDE adaptor * * Freecom v0.1: * @@ -84,25 +85,33 @@ struct freecom_status { u8 Pad[60]; }; -/* Freecom stuffs the interrupt status in the INDEX_STAT bit of the ide - * register. */ +/* + * Freecom stuffs the interrupt status in the INDEX_STAT bit of the ide + * register. + */ #define FCM_INT_STATUS 0x02 /* INDEX_STAT */ #define FCM_STATUS_BUSY 0x80 -/* These are the packet types. The low bit indicates that this command - * should wait for an interrupt. */ +/* + * These are the packet types. The low bit indicates that this command + * should wait for an interrupt. + */ #define FCM_PACKET_ATAPI 0x21 #define FCM_PACKET_STATUS 0x20 -/* Receive data from the IDE interface. The ATAPI packet has already - * waited, so the data should be immediately available. */ +/* + * Receive data from the IDE interface. The ATAPI packet has already + * waited, so the data should be immediately available. + */ #define FCM_PACKET_INPUT 0x81 /* Send data to the IDE interface. */ #define FCM_PACKET_OUTPUT 0x01 -/* Write a value to an ide register. Or the ide register to write after - * munging the address a bit. */ +/* + * Write a value to an ide register. Or the ide register to write after + * munging the address a bit. + */ #define FCM_PACKET_IDE_WRITE 0x40 #define FCM_PACKET_IDE_READ 0xC0 @@ -251,16 +260,20 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) result = usb_stor_bulk_transfer_buf (us, opipe, fcb, FCM_PACKET_LENGTH, NULL); - /* The Freecom device will only fail if there is something wrong in + /* + * The Freecom device will only fail if there is something wrong in * USB land. It returns the status in its own registers, which - * come back in the bulk pipe. */ + * come back in the bulk pipe. + */ if (result != USB_STOR_XFER_GOOD) { usb_stor_dbg(us, "freecom transport error\n"); return USB_STOR_TRANSPORT_ERROR; } - /* There are times we can optimize out this status read, but it - * doesn't hurt us to always do it now. */ + /* + * There are times we can optimize out this status read, but it + * doesn't hurt us to always do it now. + */ result = usb_stor_bulk_transfer_buf (us, ipipe, fst, FCM_STATUS_PACKET_LENGTH, &partial); usb_stor_dbg(us, "foo Status result %d %u\n", result, partial); @@ -269,7 +282,8 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) US_DEBUG(pdump(us, (void *)fst, partial)); - /* The firmware will time-out commands after 20 seconds. Some commands + /* + * The firmware will time-out commands after 20 seconds. Some commands * can legitimately take longer than this, so we use a different * command that only waits for the interrupt and then sends status, * without having to send a new ATAPI command to the device. @@ -291,7 +305,8 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) result = usb_stor_bulk_transfer_buf (us, opipe, fcb, FCM_PACKET_LENGTH, NULL); - /* The Freecom device will only fail if there is something + /* + * The Freecom device will only fail if there is something * wrong in USB land. It returns the status in its own * registers, which come back in the bulk pipe. */ @@ -318,9 +333,11 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_FAILED; } - /* The device might not have as much data available as we + /* + * The device might not have as much data available as we * requested. If you ask for more than the device has, this reads - * and such will hang. */ + * and such will hang. + */ usb_stor_dbg(us, "Device indicates that it has %d bytes available\n", le16_to_cpu(fst->Count)); usb_stor_dbg(us, "SCSI requested %d\n", scsi_bufflen(srb)); @@ -344,16 +361,20 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) length); } - /* What we do now depends on what direction the data is supposed to - * move in. */ + /* + * What we do now depends on what direction the data is supposed to + * move in. + */ switch (us->srb->sc_data_direction) { case DMA_FROM_DEVICE: /* catch bogus "read 0 length" case */ if (!length) break; - /* Make sure that the status indicates that the device - * wants data as well. */ + /* + * Make sure that the status indicates that the device + * wants data as well. + */ if ((fst->Status & DRQ_STAT) == 0 || (fst->Reason & 3) != 2) { usb_stor_dbg(us, "SCSI wants data, drive doesn't have any\n"); return USB_STOR_TRANSPORT_FAILED; @@ -384,8 +405,10 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) /* catch bogus "write 0 length" case */ if (!length) break; - /* Make sure the status indicates that the device wants to - * send us data. */ + /* + * Make sure the status indicates that the device wants to + * send us data. + */ /* !!IMPLEMENT!! */ result = freecom_writedata (srb, us, ipipe, opipe, length); if (result != USB_STOR_TRANSPORT_GOOD) @@ -431,7 +454,8 @@ static int init_freecom(struct us_data *us) int result; char *buffer = us->iobuf; - /* The DMA-mapped I/O buffer is 64 bytes long, just right for + /* + * The DMA-mapped I/O buffer is 64 bytes long, just right for * all our packets. No need to allocate any extra buffer space. */ @@ -440,7 +464,8 @@ static int init_freecom(struct us_data *us) buffer[32] = '\0'; usb_stor_dbg(us, "String returned from FC init is: %s\n", buffer); - /* Special thanks to the people at Freecom for providing me with + /* + * Special thanks to the people at Freecom for providing me with * this "magic sequence", which they use in their Windows and MacOS * drivers to make sure that all the attached perhiperals are * properly reset. diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 31fa2e92065b..d9d8c17e05d1 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -1,4 +1,5 @@ -/* Special Initializers for certain USB Mass Storage devices +/* + * Special Initializers for certain USB Mass Storage devices * * Current development and maintenance by: * (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net) @@ -42,8 +43,10 @@ #include "debug.h" #include "transport.h" -/* This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target - * mode */ +/* + * This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target + * mode + */ int usb_stor_euscsi_init(struct us_data *us) { int result; @@ -57,8 +60,10 @@ int usb_stor_euscsi_init(struct us_data *us) return 0; } -/* This function is required to activate all four slots on the UCR-61S2B - * flash reader */ +/* + * This function is required to activate all four slots on the UCR-61S2B + * flash reader + */ int usb_stor_ucr61s2b_init(struct us_data *us) { struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap*) us->iobuf; diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 529327fbb06b..039abf4d1cb7 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -1,4 +1,5 @@ -/* Header file for Special Initializers for certain USB Mass Storage devices +/* + * Header file for Special Initializers for certain USB Mass Storage devices * * Current development and maintenance by: * (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net) @@ -38,12 +39,16 @@ #include "usb.h" #include "transport.h" -/* This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target - * mode */ +/* + * This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target + * mode + */ int usb_stor_euscsi_init(struct us_data *us); -/* This function is required to activate all four slots on the UCR-61S2B - * flash reader */ +/* + * This function is required to activate all four slots on the UCR-61S2B + * flash reader + */ int usb_stor_ucr61s2b_init(struct us_data *us); /* This places the HUAWEI E220 devices in multi-port mode */ diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 39afd7045c43..fba4005dd737 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1,4 +1,5 @@ -/* Transport & Protocol Driver for In-System Design, Inc. ISD200 ASIC +/* + * Transport & Protocol Driver for In-System Design, Inc. ISD200 ASIC * * Current development and maintenance: * (C) 2001-2002 Björn Stenberg (bjorn@haxx.se) @@ -628,7 +629,8 @@ static void isd200_invoke_transport( struct us_data *us, srb->cmd_len = sizeof(ataCdb->generic); transferStatus = usb_stor_Bulk_transport(srb, us); - /* if the command gets aborted by the higher layers, we need to + /* + * if the command gets aborted by the higher layers, we need to * short-circuit all other processing */ if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) { @@ -695,15 +697,18 @@ static void isd200_invoke_transport( struct us_data *us, } } - /* Regardless of auto-sense, if we _know_ we have an error + /* + * Regardless of auto-sense, if we _know_ we have an error * condition, show that in the result code */ if (transferStatus == USB_STOR_TRANSPORT_FAILED) srb->result = SAM_STAT_CHECK_CONDITION; return; - /* abort processing: the bulk-only transport requires a reset - * following an abort */ + /* + * abort processing: the bulk-only transport requires a reset + * following an abort + */ Handle_Abort: srb->result = DID_ABORT << 16; @@ -965,20 +970,22 @@ static int isd200_try_enum(struct us_data *us, unsigned char master_slave, info->DeviceHead = master_slave; break; } - /* check Cylinder High/Low to - determine if it is an ATAPI device - */ + /* + * check Cylinder High/Low to + * determine if it is an ATAPI device + */ else if (regs[ATA_REG_HCYL_OFFSET] == 0xEB && regs[ATA_REG_LCYL_OFFSET] == 0x14) { - /* It seems that the RICOH - MP6200A CD/RW drive will - report itself okay as a - slave when it is really a - master. So this check again - as a master device just to - make sure it doesn't report - itself okay as a master also - */ + /* + * It seems that the RICOH + * MP6200A CD/RW drive will + * report itself okay as a + * slave when it is really a + * master. So this check again + * as a master device just to + * make sure it doesn't report + * itself okay as a master also + */ if ((master_slave & ATA_ADDRESS_DEVHEAD_SLAVE) && !recheckAsMaster) { usb_stor_dbg(us, " Identified ATAPI device as slave. Rechecking again as master\n"); @@ -1176,9 +1183,11 @@ static int isd200_get_inquiry_data( struct us_data *us ) if (id[ATA_ID_COMMAND_SET_2] & COMMANDSET_MEDIA_STATUS) { usb_stor_dbg(us, " Device supports Media Status Notification\n"); - /* Indicate that it is enabled, even though it is not - * This allows the lock/unlock of the media to work - * correctly. + /* + * Indicate that it is enabled, even + * though it is not. + * This allows the lock/unlock of the + * media to work correctly. */ info->DeviceFlags |= DF_MEDIA_STATUS_ENABLED; } @@ -1197,7 +1206,7 @@ static int isd200_get_inquiry_data( struct us_data *us ) usb_stor_dbg(us, "Protocol changed to: %s\n", us->protocol_name); - /* Free driver structure */ + /* Free driver structure */ us->extra_destructor(info); kfree(info); us->extra = NULL; diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c index ee613e258db0..011e5270690a 100644 --- a/drivers/usb/storage/jumpshot.c +++ b/drivers/usb/storage/jumpshot.c @@ -1,4 +1,5 @@ -/* Driver for Lexar "Jumpshot" Compact Flash reader +/* + * Driver for Lexar "Jumpshot" Compact Flash reader * * jumpshot driver v0.1: * @@ -618,18 +619,23 @@ static int jumpshot_transport(struct scsi_cmnd *srb, struct us_data *us) } if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { - // sure. whatever. not like we can stop the user from popping - // the media out of the device (no locking doors, etc) - // + /* + * sure. whatever. not like we can stop the user from popping + * the media out of the device (no locking doors, etc) + */ return USB_STOR_TRANSPORT_GOOD; } if (srb->cmnd[0] == START_STOP) { - /* this is used by sd.c'check_scsidisk_media_change to detect - media change */ + /* + * this is used by sd.c'check_scsidisk_media_change to detect + * media change + */ usb_stor_dbg(us, "START_STOP\n"); - /* the first jumpshot_id_device after a media change returns - an error (determined experimentally) */ + /* + * the first jumpshot_id_device after a media change returns + * an error (determined experimentally) + */ rc = jumpshot_id_device(us, info); if (rc == USB_STOR_TRANSPORT_GOOD) { info->sense_key = NO_SENSE; diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c index ae201e69475c..f9d407f0b508 100644 --- a/drivers/usb/storage/karma.c +++ b/drivers/usb/storage/karma.c @@ -1,4 +1,5 @@ -/* Driver for Rio Karma +/* + * Driver for Rio Karma * * (c) 2006 Bob Copeland <me@bobcopeland.com> * (c) 2006 Keith Bennett <keith@mcs.st-and.ac.uk> diff --git a/drivers/usb/storage/option_ms.c b/drivers/usb/storage/option_ms.c index b2b35b1d7de8..57282f12317b 100644 --- a/drivers/usb/storage/option_ms.c +++ b/drivers/usb/storage/option_ms.c @@ -65,7 +65,8 @@ static int option_rezero(struct us_data *us) goto out; } - /* Some of the devices need to be asked for a response, but we don't + /* + * Some of the devices need to be asked for a response, but we don't * care what that response is. */ usb_stor_bulk_transfer_buf(us, @@ -140,7 +141,8 @@ int option_ms_init(struct us_data *us) usb_stor_dbg(us, "Option MS: %s\n", "option_ms_init called"); - /* Additional test for vendor information via INQUIRY, + /* + * Additional test for vendor information via INQUIRY, * because some vendor/product IDs are ambiguous */ result = option_inquiry(us); diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index 12e3c2fac642..74c38870a17e 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * * Current development and maintenance by: * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) @@ -75,7 +76,8 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us) void usb_stor_ufi_command(struct scsi_cmnd *srb, struct us_data *us) { - /* fix some commands -- this is a form of mode translation + /* + * fix some commands -- this is a form of mode translation * UFI devices only accept 12 byte long commands * * NOTE: This only works because a scsi_cmnd struct field contains @@ -127,7 +129,8 @@ EXPORT_SYMBOL_GPL(usb_stor_transparent_scsi_command); * Scatter-gather transfer buffer access routines ***********************************************************************/ -/* Copy a buffer of length buflen to/from the srb's transfer buffer. +/* + * Copy a buffer of length buflen to/from the srb's transfer buffer. * Update the **sgptr and *offset variables so that the next copy will * pick up from where this one left off. */ @@ -175,7 +178,8 @@ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, } EXPORT_SYMBOL_GPL(usb_stor_access_xfer_buf); -/* Store the contents of buffer into srb's transfer buffer and set the +/* + * Store the contents of buffer into srb's transfer buffer and set the * SCSI residue. */ void usb_stor_set_xfer_buf(unsigned char *buffer, diff --git a/drivers/usb/storage/protocol.h b/drivers/usb/storage/protocol.h index ffc3e2af0156..a55666880b7b 100644 --- a/drivers/usb/storage/protocol.h +++ b/drivers/usb/storage/protocol.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Protocol Functions Header File * * Current development and maintenance by: diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 20433563a601..4176d1af9bf2 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -1,4 +1,5 @@ -/* Driver for Realtek RTS51xx USB card reader +/* + * Driver for Realtek RTS51xx USB card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * @@ -267,8 +268,10 @@ static int rts51x_bulk_transport(struct us_data *us, u8 lun, if (bcs->Tag != us->tag) return USB_STOR_TRANSPORT_ERROR; - /* try to compute the actual residue, based on how much data - * was really transferred and what the device tells us */ + /* + * try to compute the actual residue, based on how much data + * was really transferred and what the device tells us + */ if (residue) residue = residue < buf_len ? residue : buf_len; @@ -286,7 +289,8 @@ static int rts51x_bulk_transport(struct us_data *us, u8 lun, return USB_STOR_TRANSPORT_FAILED; case US_BULK_STAT_PHASE: - /* phase error -- note that a transport reset will be + /* + * phase error -- note that a transport reset will be * invoked by the invoke_transport() function */ return USB_STOR_TRANSPORT_ERROR; diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 90901861bfc0..7adb6c9c7018 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * SCSI layer glue code * * Current development and maintenance by: @@ -58,7 +59,8 @@ #include "transport.h" #include "protocol.h" -/* Vendor IDs for companies that seem to include the READ CAPACITY bug +/* + * Vendor IDs for companies that seem to include the READ CAPACITY bug * in all their devices */ #define VENDOR_ID_NOKIA 0x0421 @@ -87,7 +89,8 @@ static int slave_alloc (struct scsi_device *sdev) */ sdev->inquiry_len = 36; - /* USB has unusual DMA-alignment requirements: Although the + /* + * USB has unusual DMA-alignment requirements: Although the * starting address of each scatter-gather element doesn't matter, * the length of each element except the last must be divisible * by the Bulk maxpacket value. There's currently no way to @@ -115,7 +118,8 @@ static int slave_configure(struct scsi_device *sdev) { struct us_data *us = host_to_us(sdev->host); - /* Many devices have trouble transferring more than 32KB at a time, + /* + * Many devices have trouble transferring more than 32KB at a time, * while others have trouble with more than 64K. At this time we * are limiting both to 32K (64 sectores). */ @@ -128,14 +132,22 @@ static int slave_configure(struct scsi_device *sdev) blk_queue_max_hw_sectors(sdev->request_queue, max_sectors); } else if (sdev->type == TYPE_TAPE) { - /* Tapes need much higher max_sector limits, so just + /* + * Tapes need much higher max_sector limits, so just * raise it to the maximum possible (4 GB / 512) and * let the queue segment size sort out the real limit. */ blk_queue_max_hw_sectors(sdev->request_queue, 0x7FFFFF); + } else if (us->pusb_dev->speed >= USB_SPEED_SUPER) { + /* + * USB3 devices will be limited to 2048 sectors. This gives us + * better throughput on most devices. + */ + blk_queue_max_hw_sectors(sdev->request_queue, 2048); } - /* Some USB host controllers can't do DMA; they have to use PIO. + /* + * Some USB host controllers can't do DMA; they have to use PIO. * They indicate this by setting their dma_mask to NULL. For * such controllers we need to make sure the block layer sets * up bounce buffers in addressable memory. @@ -143,17 +155,21 @@ static int slave_configure(struct scsi_device *sdev) if (!us->pusb_dev->bus->controller->dma_mask) blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_HIGH); - /* We can't put these settings in slave_alloc() because that gets + /* + * We can't put these settings in slave_alloc() because that gets * called before the device type is known. Consequently these - * settings can't be overridden via the scsi devinfo mechanism. */ + * settings can't be overridden via the scsi devinfo mechanism. + */ if (sdev->type == TYPE_DISK) { - /* Some vendors seem to put the READ CAPACITY bug into + /* + * Some vendors seem to put the READ CAPACITY bug into * all their devices -- primarily makers of cell phones * and digital cameras. Since these devices always use * flash media and can be expected to have an even number * of sectors, we will always enable the CAPACITY_HEURISTICS - * flag unless told otherwise. */ + * flag unless told otherwise. + */ switch (le16_to_cpu(us->pusb_dev->descriptor.idVendor)) { case VENDOR_ID_NOKIA: case VENDOR_ID_NIKON: @@ -165,28 +181,36 @@ static int slave_configure(struct scsi_device *sdev) break; } - /* Disk-type devices use MODE SENSE(6) if the protocol + /* + * Disk-type devices use MODE SENSE(6) if the protocol * (SubClass) is Transparent SCSI, otherwise they use - * MODE SENSE(10). */ + * MODE SENSE(10). + */ if (us->subclass != USB_SC_SCSI && us->subclass != USB_SC_CYP_ATACB) sdev->use_10_for_ms = 1; - /* Many disks only accept MODE SENSE transfer lengths of - * 192 bytes (that's what Windows uses). */ + /* + *Many disks only accept MODE SENSE transfer lengths of + * 192 bytes (that's what Windows uses). + */ sdev->use_192_bytes_for_3f = 1; - /* Some devices don't like MODE SENSE with page=0x3f, + /* + * Some devices don't like MODE SENSE with page=0x3f, * which is the command used for checking if a device * is write-protected. Now that we tell the sd driver * to do a 192-byte transfer with this command the * majority of devices work fine, but a few still can't * handle it. The sd driver will simply assume those - * devices are write-enabled. */ + * devices are write-enabled. + */ if (us->fflags & US_FL_NO_WP_DETECT) sdev->skip_ms_page_3f = 1; - /* A number of devices have problems with MODE SENSE for - * page x08, so we will skip it. */ + /* + * A number of devices have problems with MODE SENSE for + * page x08, so we will skip it. + */ sdev->skip_ms_page_8 = 1; /* Some devices don't handle VPD pages correctly */ @@ -198,15 +222,19 @@ static int slave_configure(struct scsi_device *sdev) /* Do not attempt to use WRITE SAME */ sdev->no_write_same = 1; - /* Some disks return the total number of blocks in response + /* + * Some disks return the total number of blocks in response * to READ CAPACITY rather than the highest block number. - * If this device makes that mistake, tell the sd driver. */ + * If this device makes that mistake, tell the sd driver. + */ if (us->fflags & US_FL_FIX_CAPACITY) sdev->fix_capacity = 1; - /* A few disks have two indistinguishable version, one of + /* + * A few disks have two indistinguishable version, one of * which reports the correct capacity and the other does not. - * The sd driver has to guess which is the case. */ + * The sd driver has to guess which is the case. + */ if (us->fflags & US_FL_CAPACITY_HEURISTICS) sdev->guess_capacity = 1; @@ -227,26 +255,34 @@ static int slave_configure(struct scsi_device *sdev) if (sdev->scsi_level > SCSI_SPC_2) us->fflags |= US_FL_SANE_SENSE; - /* USB-IDE bridges tend to report SK = 0x04 (Non-recoverable + /* + * USB-IDE bridges tend to report SK = 0x04 (Non-recoverable * Hardware Error) when any low-level error occurs, * recoverable or not. Setting this flag tells the SCSI * midlayer to retry such commands, which frequently will * succeed and fix the error. The worst this can lead to - * is an occasional series of retries that will all fail. */ + * is an occasional series of retries that will all fail. + */ sdev->retry_hwerror = 1; - /* USB disks should allow restart. Some drives spin down - * automatically, requiring a START-STOP UNIT command. */ + /* + * USB disks should allow restart. Some drives spin down + * automatically, requiring a START-STOP UNIT command. + */ sdev->allow_restart = 1; - /* Some USB cardreaders have trouble reading an sdcard's last + /* + * Some USB cardreaders have trouble reading an sdcard's last * sector in a larger then 1 sector read, since the performance - * impact is negligible we set this flag for all USB disks */ + * impact is negligible we set this flag for all USB disks + */ sdev->last_sector_bug = 1; - /* Enable last-sector hacks for single-target devices using + /* + * Enable last-sector hacks for single-target devices using * the Bulk-only transport, unless we already know the - * capacity will be decremented or is correct. */ + * capacity will be decremented or is correct. + */ if (!(us->fflags & (US_FL_FIX_CAPACITY | US_FL_CAPACITY_OK | US_FL_SCM_MULT_TARG)) && us->protocol == USB_PR_BULK) @@ -262,9 +298,11 @@ static int slave_configure(struct scsi_device *sdev) } else { - /* Non-disk-type devices don't need to blacklist any pages + /* + * Non-disk-type devices don't need to blacklist any pages * or to force 192-byte transfer lengths for MODE SENSE. - * But they do need to use MODE SENSE(10). */ + * But they do need to use MODE SENSE(10). + */ sdev->use_10_for_ms = 1; /* Some (fake) usb cdrom devices don't like READ_DISC_INFO */ @@ -272,7 +310,8 @@ static int slave_configure(struct scsi_device *sdev) sdev->no_read_disc_info = 1; } - /* The CB and CBI transports have no way to pass LUN values + /* + * The CB and CBI transports have no way to pass LUN values * other than the bits in the second byte of a CDB. But those * bits don't get set to the LUN value if the device reports * scsi_level == 0 (UNKNOWN). Hence such devices must necessarily @@ -282,13 +321,17 @@ static int slave_configure(struct scsi_device *sdev) sdev->scsi_level == SCSI_UNKNOWN) us->max_lun = 0; - /* Some devices choke when they receive a PREVENT-ALLOW MEDIUM - * REMOVAL command, so suppress those commands. */ + /* + * Some devices choke when they receive a PREVENT-ALLOW MEDIUM + * REMOVAL command, so suppress those commands. + */ if (us->fflags & US_FL_NOT_LOCKABLE) sdev->lockable = 0; - /* this is to satisfy the compiler, tho I don't think the - * return code is ever checked anywhere. */ + /* + * this is to satisfy the compiler, tho I don't think the + * return code is ever checked anywhere. + */ return 0; } @@ -362,8 +405,10 @@ static int command_abort(struct scsi_cmnd *srb) usb_stor_dbg(us, "%s called\n", __func__); - /* us->srb together with the TIMED_OUT, RESETTING, and ABORTING - * bits are protected by the host lock. */ + /* + * us->srb together with the TIMED_OUT, RESETTING, and ABORTING + * bits are protected by the host lock. + */ scsi_lock(us_to_host(us)); /* Is this command still active? */ @@ -373,11 +418,13 @@ static int command_abort(struct scsi_cmnd *srb) return FAILED; } - /* Set the TIMED_OUT bit. Also set the ABORTING bit, but only if + /* + * Set the TIMED_OUT bit. Also set the ABORTING bit, but only if * a device reset isn't already in progress (to avoid interfering * with the reset). Note that we must retain the host lock while * calling usb_stor_stop_transport(); otherwise it might interfere - * with an auto-reset that begins as soon as we release the lock. */ + * with an auto-reset that begins as soon as we release the lock. + */ set_bit(US_FLIDX_TIMED_OUT, &us->dflags); if (!test_bit(US_FLIDX_RESETTING, &us->dflags)) { set_bit(US_FLIDX_ABORTING, &us->dflags); @@ -390,8 +437,10 @@ static int command_abort(struct scsi_cmnd *srb) return SUCCESS; } -/* This invokes the transport reset mechanism to reset the state of the - * device */ +/* + * This invokes the transport reset mechanism to reset the state of the + * device + */ static int device_reset(struct scsi_cmnd *srb) { struct us_data *us = host_to_us(srb->device->host); @@ -419,9 +468,11 @@ static int bus_reset(struct scsi_cmnd *srb) return result < 0 ? FAILED : SUCCESS; } -/* Report a driver-initiated device reset to the SCSI layer. +/* + * Report a driver-initiated device reset to the SCSI layer. * Calling this for a SCSI-initiated reset is unnecessary but harmless. - * The caller must own the SCSI host lock. */ + * The caller must own the SCSI host lock. + */ void usb_stor_report_device_reset(struct us_data *us) { int i; @@ -434,9 +485,11 @@ void usb_stor_report_device_reset(struct us_data *us) } } -/* Report a driver-initiated bus reset to the SCSI layer. +/* + * Report a driver-initiated bus reset to the SCSI layer. * Calling this for a SCSI-initiated reset is unnecessary but harmless. - * The caller must not own the SCSI host lock. */ + * The caller must not own the SCSI host lock. + */ void usb_stor_report_bus_reset(struct us_data *us) { struct Scsi_Host *host = us_to_host(us); @@ -565,10 +618,28 @@ static const struct scsi_host_template usb_stor_host_template = { /* lots of sg segments can be handled */ .sg_tablesize = SCSI_MAX_SG_CHAIN_SEGMENTS, - /* limit the total size of a transfer to 120 KB */ + + /* + * Limit the total size of a transfer to 120 KB. + * + * Some devices are known to choke with anything larger. It seems like + * the problem stems from the fact that original IDE controllers had + * only an 8-bit register to hold the number of sectors in one transfer + * and even those couldn't handle a full 256 sectors. + * + * Because we want to make sure we interoperate with as many devices as + * possible, we will maintain a 240 sector transfer size limit for USB + * Mass Storage devices. + * + * Tests show that other operating have similar limits with Microsoft + * Windows 7 limiting transfers to 128 sectors for both USB2 and USB3 + * and Apple Mac OS X 10.11 limiting transfers to 256 sectors for USB2 + * and 2048 for USB3 devices. + */ .max_sectors = 240, - /* merge commands... this seems to help performance, but + /* + * merge commands... this seems to help performance, but * periodically someone should test to see which setting is more * optimal. */ diff --git a/drivers/usb/storage/scsiglue.h b/drivers/usb/storage/scsiglue.h index 5494d87607fb..d0a331dd9bc5 100644 --- a/drivers/usb/storage/scsiglue.h +++ b/drivers/usb/storage/scsiglue.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * SCSI Connecting Glue Header File * * Current development and maintenance by: diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c index 79224fcf9b59..c5797fa2125e 100644 --- a/drivers/usb/storage/sddr09.c +++ b/drivers/usb/storage/sddr09.c @@ -1,4 +1,5 @@ -/* Driver for SanDisk SDDR-09 SmartMedia reader +/* + * Driver for SanDisk SDDR-09 SmartMedia reader * * (c) 2000, 2001 Robert Baruch (autophile@starband.net) * (c) 2002 Andries Brouwer (aeb@cwi.nl) @@ -799,10 +800,12 @@ sddr09_read_data(struct us_data *us, usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n", pages, lba, page); - /* This is not really an error. It just means - that the block has never been written. - Instead of returning an error - it is better to return all zero data. */ + /* + * This is not really an error. It just means + * that the block has never been written. + * Instead of returning an error + * it is better to return all zero data. + */ memset(buffer, 0, len); @@ -890,8 +893,10 @@ sddr09_write_lba(struct us_data *us, unsigned int lba, } if (pba == 1) { - /* Maybe it is impossible to write to PBA 1. - Fake success, but don't do anything. */ + /* + * Maybe it is impossible to write to PBA 1. + * Fake success, but don't do anything. + */ printk(KERN_WARNING "sddr09: avoid writing to pba 1\n"); return 0; } @@ -979,18 +984,22 @@ sddr09_write_data(struct us_data *us, struct scatterlist *sg; int result; - // Figure out the initial LBA and page + /* Figure out the initial LBA and page */ lba = address >> info->blockshift; page = (address & info->blockmask); maxlba = info->capacity >> (info->pageshift + info->blockshift); if (lba >= maxlba) return -EIO; - // blockbuffer is used for reading in the old data, overwriting - // with the new data, and performing ECC calculations + /* + * blockbuffer is used for reading in the old data, overwriting + * with the new data, and performing ECC calculations + */ - /* TODO: instead of doing kmalloc/kfree for each write, - add a bufferpointer to the info structure */ + /* + * TODO: instead of doing kmalloc/kfree for each write, + * add a bufferpointer to the info structure + */ pagelen = (1 << info->pageshift) + (1 << CONTROL_SHIFT); blocklen = (pagelen << info->blockshift); @@ -1000,9 +1009,11 @@ sddr09_write_data(struct us_data *us, return -ENOMEM; } - // Since we don't write the user data directly to the device, - // we have to create a bounce buffer and move the data a piece - // at a time between the bounce buffer and the actual transfer buffer. + /* + * Since we don't write the user data directly to the device, + * we have to create a bounce buffer and move the data a piece + * at a time between the bounce buffer and the actual transfer buffer. + */ len = min(sectors, (unsigned int) info->blocksize) * info->pagesize; buffer = kmalloc(len, GFP_NOIO); @@ -1018,7 +1029,7 @@ sddr09_write_data(struct us_data *us, while (sectors > 0) { - // Write as many sectors as possible in this block + /* Write as many sectors as possible in this block */ pages = min(sectors, info->blocksize - page); len = (pages << info->pageshift); @@ -1031,7 +1042,7 @@ sddr09_write_data(struct us_data *us, break; } - // Get the data from the transfer buffer + /* Get the data from the transfer buffer */ usb_stor_access_xfer_buf(buffer, len, us->srb, &sg, &offset, FROM_XFER_BUF); @@ -1168,9 +1179,11 @@ sddr09_get_cardinfo(struct us_data *us, unsigned char flags) { /* Byte 1 is the device type */ cardinfo = nand_find_id(deviceID[1]); if (cardinfo) { - /* MB or MiB? It is neither. A 16 MB card has - 17301504 raw bytes, of which 16384000 are - usable for user data. */ + /* + * MB or MiB? It is neither. A 16 MB card has + * 17301504 raw bytes, of which 16384000 are + * usable for user data. + */ sprintf(blurbtxt + strlen(blurbtxt), ", %d MB", 1<<(cardinfo->chipshift - 20)); } else { @@ -1211,14 +1224,18 @@ sddr09_read_map(struct us_data *us) { if (!info->capacity) return -1; - // size of a block is 1 << (blockshift + pageshift) bytes - // divide into the total capacity to get the number of blocks + /* + * size of a block is 1 << (blockshift + pageshift) bytes + * divide into the total capacity to get the number of blocks + */ numblocks = info->capacity >> (info->blockshift + info->pageshift); - // read 64 bytes for every block (actually 1 << CONTROL_SHIFT) - // but only use a 64 KB buffer - // buffer size used must be a multiple of (1 << CONTROL_SHIFT) + /* + * read 64 bytes for every block (actually 1 << CONTROL_SHIFT) + * but only use a 64 KB buffer + * buffer size used must be a multiple of (1 << CONTROL_SHIFT) + */ #define SDDR09_READ_MAP_BUFSZ 65536 alloc_blocks = min(numblocks, SDDR09_READ_MAP_BUFSZ >> CONTROL_SHIFT); @@ -1575,8 +1592,10 @@ static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us) havefakesense = 1; - /* Dummy up a response for INQUIRY since SDDR09 doesn't - respond to INQUIRY commands */ + /* + * Dummy up a response for INQUIRY since SDDR09 doesn't + * respond to INQUIRY commands + */ if (srb->cmnd[0] == INQUIRY) { memcpy(ptr, inquiry_response, 8); @@ -1628,8 +1647,10 @@ static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us) if (srb->cmnd[0] == MODE_SENSE_10) { int modepage = (srb->cmnd[2] & 0x3F); - /* They ask for the Read/Write error recovery page, - or for all pages. */ + /* + * They ask for the Read/Write error recovery page, + * or for all pages. + */ /* %% We should check DBD %% */ if (modepage == 0x01 || modepage == 0x3F) { usb_stor_dbg(us, "Dummy up request for mode page 0x%x\n", @@ -1682,7 +1703,8 @@ static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us) USB_STOR_TRANSPORT_ERROR); } - /* catch-all for all other commands, except + /* + * catch-all for all other commands, except * pass TEST_UNIT_READY and REQUEST_SENSE through */ if (srb->cmnd[0] != TEST_UNIT_READY && diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index e5e0a25ecd96..147c50b3e00f 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -1,4 +1,5 @@ -/* Driver for SanDisk SDDR-55 SmartMedia reader +/* + * Driver for SanDisk SDDR-55 SmartMedia reader * * SDDR55 driver v0.1: * @@ -130,7 +131,8 @@ sddr55_bulk_transport(struct us_data *us, int direction, return usb_stor_bulk_transfer_buf(us, pipe, data, len, NULL); } -/* check if card inserted, if there is, update read_only status +/* + * check if card inserted, if there is, update read_only status * return non zero if no card */ @@ -714,15 +716,18 @@ static int sddr55_read_map(struct us_data *us) { if (max_lba > 1000) max_lba = 1000; - // Each block is 64 bytes of control data, so block i is located in - // scatterlist block i*64/128k = i*(2^6)*(2^-17) = i*(2^-11) + /* + * Each block is 64 bytes of control data, so block i is located in + * scatterlist block i*64/128k = i*(2^6)*(2^-17) = i*(2^-11) + */ for (i=0; i<numblocks; i++) { int zone = i / 1024; lba = short_pack(buffer[i * 2], buffer[i * 2 + 1]); - /* Every 1024 physical blocks ("zone"), the LBA numbers + /* + * Every 1024 physical blocks ("zone"), the LBA numbers * go back to zero, but are within a higher * block of LBA's. Also, there is a maximum of * 1000 LBA's per zone. In other words, in PBA @@ -733,7 +738,8 @@ static int sddr55_read_map(struct us_data *us) { * are 24 spare blocks to use when blocks do go bad. */ - /* SDDR55 returns 0xffff for a bad block, and 0x400 for the + /* + * SDDR55 returns 0xffff for a bad block, and 0x400 for the * CIS block. (Is this true for cards 8MB or less??) * Record these in the physical to logical map */ @@ -824,8 +830,10 @@ static int sddr55_transport(struct scsi_cmnd *srb, struct us_data *us) memset (info->sense_data, 0, sizeof info->sense_data); - /* Dummy up a response for INQUIRY since SDDR55 doesn't - respond to INQUIRY commands */ + /* + * Dummy up a response for INQUIRY since SDDR55 doesn't + * respond to INQUIRY commands + */ if (srb->cmnd[0] == INQUIRY) { memcpy(ptr, inquiry_response, 8); @@ -833,7 +841,8 @@ static int sddr55_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_GOOD; } - /* only check card status if the map isn't allocated, ie no card seen yet + /* + * only check card status if the map isn't allocated, ie no card seen yet * or if it's been over half a second since we last accessed it */ if (info->lba_to_pba == NULL || time_after(jiffies, info->last_access + HZ/2)) { @@ -849,8 +858,10 @@ static int sddr55_transport(struct scsi_cmnd *srb, struct us_data *us) } } - /* if we detected a problem with the map when writing, - don't allow any more access */ + /* + * if we detected a problem with the map when writing, + * don't allow any more access + */ if (info->fatal_error) { set_sense_info (3, 0x31, 0); @@ -868,12 +879,16 @@ static int sddr55_transport(struct scsi_cmnd *srb, struct us_data *us) info->capacity = capacity; - /* figure out the maximum logical block number, allowing for - * the fact that only 250 out of every 256 are used */ + /* + * figure out the maximum logical block number, allowing for + * the fact that only 250 out of every 256 are used + */ info->max_log_blks = ((info->capacity >> (info->pageshift + info->blockshift)) / 256) * 250; - /* Last page in the card, adjust as we only use 250 out of - * every 256 pages */ + /* + * Last page in the card, adjust as we only use 250 out of + * every 256 pages + */ capacity = (capacity / 256) * 250; capacity /= PAGESIZE; diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index a3ec86b913a1..3b0294e4df93 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -1,4 +1,5 @@ -/* Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable +/* + * Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable * * Current development and maintenance by: * (c) 2000, 2001 Robert Baruch (autophile@starband.net) @@ -408,7 +409,8 @@ static int usbat_wait_not_busy(struct us_data *us, int minutes) int result; unsigned char *status = us->iobuf; - /* Synchronizing cache on a CDR could take a heck of a long time, + /* + * Synchronizing cache on a CDR could take a heck of a long time, * but probably not more than 10 minutes or so. On the other hand, * doing a full blank on a CDRW at speed 1 will take about 75 * minutes! @@ -1570,9 +1572,10 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us) len = scsi_bufflen(srb); - /* Send A0 (ATA PACKET COMMAND). - Note: I guess we're never going to get any of the ATA - commands... just ATA Packet Commands. + /* + * Send A0 (ATA PACKET COMMAND). + * Note: I guess we're never going to get any of the ATA + * commands... just ATA Packet Commands. */ registers[0] = USBAT_ATA_FEATURES; @@ -1851,7 +1854,8 @@ static int usbat_probe(struct usb_interface *intf, if (result) return result; - /* The actual transport will be determined later by the + /* + * The actual transport will be determined later by the * initialization routine; this is just a placeholder. */ us->transport_name = "Shuttle USBAT"; diff --git a/drivers/usb/storage/sierra_ms.c b/drivers/usb/storage/sierra_ms.c index 2ea657be14c8..9a51019ac7b2 100644 --- a/drivers/usb/storage/sierra_ms.c +++ b/drivers/usb/storage/sierra_ms.c @@ -177,7 +177,8 @@ int sierra_ms_init(struct us_data *us) debug_swoc(&us->pusb_dev->dev, swocInfo); - /* If there is not Linux software on the TRU-Install device + /* + * If there is not Linux software on the TRU-Install device * then switch to modem mode */ if (!containsFullLinuxPackage(swocInfo)) { diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 5e67f63b2e46..ffd086733421 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * * Current development and maintenance by: * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) @@ -109,7 +110,8 @@ * called more than once or from being called during usb_submit_urb(). */ -/* This is the completion handler which will wake us up when an URB +/* + * This is the completion handler which will wake us up when an URB * completes. */ static void usb_stor_blocking_completion(struct urb *urb) @@ -119,7 +121,8 @@ static void usb_stor_blocking_completion(struct urb *urb) complete(urb_done_ptr); } -/* This is the common part of the URB message submission code +/* + * This is the common part of the URB message submission code * * All URBs from the usb-storage driver involved in handling a queued scsi * command _must_ pass through this function (or something like it) for the @@ -142,10 +145,12 @@ static int usb_stor_msg_common(struct us_data *us, int timeout) us->current_urb->context = &urb_done; us->current_urb->transfer_flags = 0; - /* we assume that if transfer_buffer isn't us->iobuf then it + /* + * we assume that if transfer_buffer isn't us->iobuf then it * hasn't been mapped for DMA. Yes, this is clunky, but it's * easier than always having the caller tell us whether the - * transfer buffer has already been mapped. */ + * transfer buffer has already been mapped. + */ if (us->current_urb->transfer_buffer == us->iobuf) us->current_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; us->current_urb->transfer_dma = us->iobuf_dma; @@ -157,8 +162,10 @@ static int usb_stor_msg_common(struct us_data *us, int timeout) return status; } - /* since the URB has been submitted successfully, it's now okay - * to cancel it */ + /* + * since the URB has been submitted successfully, it's now okay + * to cancel it + */ set_bit(US_FLIDX_URB_ACTIVE, &us->dflags); /* did an abort occur during the submission? */ @@ -220,7 +227,8 @@ int usb_stor_control_msg(struct us_data *us, unsigned int pipe, } EXPORT_SYMBOL_GPL(usb_stor_control_msg); -/* This is a version of usb_clear_halt() that allows early termination and +/* + * This is a version of usb_clear_halt() that allows early termination and * doesn't read the status from the device -- this is because some devices * crash their internal firmware when the status is requested after a halt. * @@ -280,8 +288,10 @@ static int interpret_urb_result(struct us_data *us, unsigned int pipe, /* stalled */ case -EPIPE: - /* for control endpoints, (used by CB[I]) a stall indicates - * a failed command */ + /* + * for control endpoints, (used by CB[I]) a stall indicates + * a failed command + */ if (usb_pipecontrol(pipe)) { usb_stor_dbg(us, "-- stall on control pipe\n"); return USB_STOR_XFER_STALLED; @@ -433,8 +443,10 @@ static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe, return USB_STOR_XFER_ERROR; } - /* since the block has been initialized successfully, it's now - * okay to cancel it */ + /* + * since the block has been initialized successfully, it's now + * okay to cancel it + */ set_bit(US_FLIDX_SG_ACTIVE, &us->dflags); /* did an abort occur during the submission? */ @@ -515,7 +527,8 @@ EXPORT_SYMBOL_GPL(usb_stor_bulk_transfer_sg); * Transport routines ***********************************************************************/ -/* There are so many devices that report the capacity incorrectly, +/* + * There are so many devices that report the capacity incorrectly, * this routine was written to counteract some of the resulting * problems. */ @@ -533,7 +546,8 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb) [12] = 0x14 /* Record Not Found */ }; - /* If last-sector problems can't occur, whether because the + /* + * If last-sector problems can't occur, whether because the * capacity was already decremented or because the device is * known to report the correct capacity, then we don't need * to do anything. @@ -559,13 +573,15 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb) if (srb->result == SAM_STAT_GOOD && scsi_get_resid(srb) == 0) { - /* The command succeeded. We know this device doesn't + /* + * The command succeeded. We know this device doesn't * have the last-sector bug, so stop checking it. */ us->use_last_sector_hacks = 0; } else { - /* The command failed. Allow up to 3 retries in case this + /* + * The command failed. Allow up to 3 retries in case this * is some normal sort of failure. After that, assume the * capacity is wrong and we're trying to access the sector * beyond the end. Replace the result code and sense data @@ -581,7 +597,8 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb) } done: - /* Don't reset the retry counter for TEST UNIT READY commands, + /* + * Don't reset the retry counter for TEST UNIT READY commands, * because they get issued after device resets which might be * caused by a failed last-sector access. */ @@ -589,7 +606,8 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb) us->last_sector_retries = 0; } -/* Invoke the transport and basic error-handling/recovery methods +/* + * Invoke the transport and basic error-handling/recovery methods * * This is used by the protocol layers to actually send the message to * the device and receive the response. @@ -603,7 +621,8 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) scsi_set_resid(srb, 0); result = us->transport(srb, us); - /* if the command gets aborted by the higher layers, we need to + /* + * if the command gets aborted by the higher layers, we need to * short-circuit all other processing */ if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) { @@ -628,7 +647,8 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) srb->result = SAM_STAT_GOOD; - /* Determine if we need to auto-sense + /* + * Determine if we need to auto-sense * * I normally don't use a flag like this, but it's almost impossible * to understand what's going on here if I don't. @@ -728,7 +748,8 @@ Retry_Sense: goto Handle_Errors; } - /* Some devices claim to support larger sense but fail when + /* + * Some devices claim to support larger sense but fail when * trying to request it. When a transport failure happens * using US_FS_SANE_SENSE, we always retry with a standard * (small) sense request. This fixes some USB GSM modems @@ -746,7 +767,8 @@ Retry_Sense: if (temp_result != USB_STOR_TRANSPORT_GOOD) { usb_stor_dbg(us, "-- auto-sense failure\n"); - /* we skip the reset if this happens to be a + /* + * we skip the reset if this happens to be a * multi-target device, since failure of an * auto-sense is perfectly valid */ @@ -756,7 +778,8 @@ Retry_Sense: return; } - /* If the sense data returned is larger than 18-bytes then we + /* + * If the sense data returned is larger than 18-bytes then we * assume this device supports requesting more in the future. * The response code must be 70h through 73h inclusive. */ @@ -767,7 +790,8 @@ Retry_Sense: usb_stor_dbg(us, "-- SANE_SENSE support enabled\n"); us->fflags |= US_FL_SANE_SENSE; - /* Indicate to the user that we truncated their sense + /* + * Indicate to the user that we truncated their sense * because we didn't know it supported larger sense. */ usb_stor_dbg(us, "-- Sense data truncated to %i from %i\n", @@ -795,13 +819,15 @@ Retry_Sense: SCSI_SENSE_BUFFERSIZE, 4); fm_ili = (scdd ? scdd[3] : srb->sense_buffer[2]) & 0xA0; - /* We often get empty sense data. This could indicate that + /* + * We often get empty sense data. This could indicate that * everything worked or that there was an unspecified * problem. We have to decide which. */ if (sshdr.sense_key == 0 && sshdr.asc == 0 && sshdr.ascq == 0 && fm_ili == 0) { - /* If things are really okay, then let's show that. + /* + * If things are really okay, then let's show that. * Zero out the sense buffer so the higher layers * won't realize we did an unsolicited auto-sense. */ @@ -809,7 +835,8 @@ Retry_Sense: srb->result = SAM_STAT_GOOD; srb->sense_buffer[0] = 0x0; - /* If there was a problem, report an unspecified + /* + * If there was a problem, report an unspecified * hardware error to prevent the higher layers from * entering an infinite retry loop. */ @@ -860,20 +887,26 @@ Retry_Sense: last_sector_hacks(us, srb); return; - /* Error and abort processing: try to resynchronize with the device + /* + * Error and abort processing: try to resynchronize with the device * by issuing a port reset. If that fails, try a class-specific - * device reset. */ + * device reset. + */ Handle_Errors: - /* Set the RESETTING bit, and clear the ABORTING bit so that - * the reset may proceed. */ + /* + * Set the RESETTING bit, and clear the ABORTING bit so that + * the reset may proceed. + */ scsi_lock(us_to_host(us)); set_bit(US_FLIDX_RESETTING, &us->dflags); clear_bit(US_FLIDX_ABORTING, &us->dflags); scsi_unlock(us_to_host(us)); - /* We must release the device lock because the pre_reset routine - * will want to acquire it. */ + /* + * We must release the device lock because the pre_reset routine + * will want to acquire it. + */ mutex_unlock(&us->dev_mutex); result = usb_stor_port_reset(us); mutex_lock(&us->dev_mutex); @@ -891,10 +924,12 @@ Retry_Sense: /* Stop the current URB transfer */ void usb_stor_stop_transport(struct us_data *us) { - /* If the state machine is blocked waiting for an URB, + /* + * If the state machine is blocked waiting for an URB, * let's wake it up. The test_and_clear_bit() call * guarantees that if a URB has just been submitted, - * it won't be cancelled more than once. */ + * it won't be cancelled more than once. + */ if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) { usb_stor_dbg(us, "-- cancelling URB\n"); usb_unlink_urb(us->current_urb); @@ -955,7 +990,8 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us) /* STATUS STAGE */ - /* NOTE: CB does not have a status stage. Silly, I know. So + /* + * NOTE: CB does not have a status stage. Silly, I know. So * we have to catch this at a higher level. */ if (us->protocol != USB_PR_CBI) @@ -967,7 +1003,8 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us) if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - /* UFI gives us ASC and ASCQ, like a request sense + /* + * UFI gives us ASC and ASCQ, like a request sense * * REQUEST_SENSE and INQUIRY don't affect the sense data on UFI * devices, so we ignore the information for those commands. Note @@ -983,7 +1020,8 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_GOOD; } - /* If not UFI, we interpret the data as a result code + /* + * If not UFI, we interpret the data as a result code * The first byte should always be a 0x0. * * Some bogus devices don't follow that rule. They stuff the ASC @@ -1005,7 +1043,8 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us) } return USB_STOR_TRANSPORT_ERROR; - /* the CBI spec requires that the bulk pipe must be cleared + /* + * the CBI spec requires that the bulk pipe must be cleared * following any data-in/out command failure (section 2.4.3.1.3) */ Failed: @@ -1107,9 +1146,11 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) /* DATA STAGE */ /* send/receive data payload, if there is any */ - /* Some USB-IDE converter chips need a 100us delay between the + /* + * Some USB-IDE converter chips need a 100us delay between the * command phase and the data phase. Some devices need a little - * more than that, probably because of clock rate inaccuracies. */ + * more than that, probably because of clock rate inaccuracies. + */ if (unlikely(us->fflags & US_FL_GO_SLOW)) usleep_range(125, 150); @@ -1121,7 +1162,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) if (result == USB_STOR_XFER_ERROR) return USB_STOR_TRANSPORT_ERROR; - /* If the device tried to send back more data than the + /* + * If the device tried to send back more data than the * amount requested, the spec requires us to transfer * the CSW anyway. Since there's no point retrying the * the command, we'll return fake sense data indicating @@ -1156,7 +1198,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) } } - /* See flow chart on pg 15 of the Bulk Only Transport spec for + /* + * See flow chart on pg 15 of the Bulk Only Transport spec for * an explanation of how this code works. */ @@ -1165,7 +1208,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs, US_BULK_CS_WRAP_LEN, &cswlen); - /* Some broken devices add unnecessary zero-length packets to the + /* + * Some broken devices add unnecessary zero-length packets to the * end of their data transfers. Such packets show up as 0-length * CSWs. If we encounter such a thing, try to read the CSW again. */ @@ -1201,7 +1245,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - /* Some broken devices report odd signatures, so we do not check them + /* + * Some broken devices report odd signatures, so we do not check them * for validity against the spec. We store the first one we see, * and check subsequent transfers for validity against this signature. */ @@ -1217,11 +1262,14 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - /* try to compute the actual residue, based on how much data - * was really transferred and what the device tells us */ + /* + * try to compute the actual residue, based on how much data + * was really transferred and what the device tells us + */ if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) { - /* Heuristically detect devices that generate bogus residues + /* + * Heuristically detect devices that generate bogus residues * by seeing what happens with INQUIRY and READ CAPACITY * commands. */ @@ -1259,7 +1307,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_FAILED; case US_BULK_STAT_PHASE: - /* phase error -- note that a transport reset will be + /* + * phase error -- note that a transport reset will be * invoked by the invoke_transport() function */ return USB_STOR_TRANSPORT_ERROR; @@ -1274,7 +1323,8 @@ EXPORT_SYMBOL_GPL(usb_stor_Bulk_transport); * Reset routines ***********************************************************************/ -/* This is the common part of the device reset code. +/* + * This is the common part of the device reset code. * * It's handy that every transport mechanism uses the control endpoint for * resets. @@ -1302,8 +1352,10 @@ static int usb_stor_reset_common(struct us_data *us, return result; } - /* Give the device some time to recover from the reset, - * but don't delay disconnect processing. */ + /* + * Give the device some time to recover from the reset, + * but don't delay disconnect processing. + */ wait_event_interruptible_timeout(us->delay_wait, test_bit(US_FLIDX_DISCONNECTING, &us->dflags), HZ*6); @@ -1328,8 +1380,7 @@ static int usb_stor_reset_common(struct us_data *us, return result; } -/* This issues a CB[I] Reset to the device in question - */ +/* This issues a CB[I] Reset to the device in question */ #define CB_RESET_CMD_SIZE 12 int usb_stor_CB_reset(struct us_data *us) @@ -1343,7 +1394,8 @@ int usb_stor_CB_reset(struct us_data *us) } EXPORT_SYMBOL_GPL(usb_stor_CB_reset); -/* This issues a Bulk-only Reset to the device in question, including +/* + * This issues a Bulk-only Reset to the device in question, including * clearing the subsequent endpoint halts that may occur. */ int usb_stor_Bulk_reset(struct us_data *us) @@ -1354,7 +1406,8 @@ int usb_stor_Bulk_reset(struct us_data *us) } EXPORT_SYMBOL_GPL(usb_stor_Bulk_reset); -/* Issue a USB port reset to the device. The caller must not hold +/* + * Issue a USB port reset to the device. The caller must not hold * us->dev_mutex. */ int usb_stor_port_reset(struct us_data *us) diff --git a/drivers/usb/storage/transport.h b/drivers/usb/storage/transport.h index 9369d752d419..dae3ecd2e6cf 100644 --- a/drivers/usb/storage/transport.h +++ b/drivers/usb/storage/transport.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Transport Functions Header File * * Current development and maintenance by: diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 16bc679dc2fc..4d49fce406e1 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -799,7 +799,8 @@ static int uas_slave_alloc(struct scsi_device *sdev) sdev->hostdata = devinfo; - /* USB has unusual DMA-alignment requirements: Although the + /* + * USB has unusual DMA-alignment requirements: Although the * starting address of each scatter-gather element doesn't matter, * the length of each element except the last must be divisible * by the Bulk maxpacket value. There's currently no way to diff --git a/drivers/usb/storage/unusual_alauda.h b/drivers/usb/storage/unusual_alauda.h index fa3e9edaa2cf..763bc03032a1 100644 --- a/drivers/usb/storage/unusual_alauda.h +++ b/drivers/usb/storage/unusual_alauda.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Alauda-based card readers +/* + * Unusual Devices File for the Alauda-based card readers * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h index 82e8ed0324e3..e9a2eb88869a 100644 --- a/drivers/usb/storage/unusual_cypress.h +++ b/drivers/usb/storage/unusual_cypress.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for devices based on the Cypress USB/ATA bridge +/* + * Unusual Devices File for devices based on the Cypress USB/ATA bridge * with support for ATACB * * This program is free software; you can redistribute it and/or modify it diff --git a/drivers/usb/storage/unusual_datafab.h b/drivers/usb/storage/unusual_datafab.h index 582a603c78be..5049b6bbe5d5 100644 --- a/drivers/usb/storage/unusual_datafab.h +++ b/drivers/usb/storage/unusual_datafab.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Datafab USB Compact Flash reader +/* + * Unusual Devices File for the Datafab USB Compact Flash reader * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -79,7 +80,8 @@ UNUSUAL_DEV( 0x07c4, 0xa109, 0x0000, 0xffff, USB_SC_SCSI, USB_PR_DATAFAB, NULL, 0), -/* Reported by Felix Moeller <felix@derklecks.de> +/* + * Reported by Felix Moeller <felix@derklecks.de> * in Germany this is sold by Hama with the productnumber 46952 * as "DualSlot CompactFlash(TM) & MStick Drive USB" */ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 7ffe4209067b..aa3539238848 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Unusual Devices File * * Current development and maintenance by: @@ -25,13 +26,15 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* IMPORTANT NOTE: This file must be included in another file which does +/* + * IMPORTANT NOTE: This file must be included in another file which does * the following thing for it to work: * The UNUSUAL_DEV, COMPLIANT_DEV, and USUAL_DEV macros must be defined * before this file is included. */ -/* If you edit this file, please try to keep it sorted first by VendorID, +/* + * If you edit this file, please try to keep it sorted first by VendorID, * then by ProductID. * * If you want to add an entry for this file, be sure to include the @@ -47,13 +50,15 @@ * <usb-storage@lists.one-eyed-alien.net> */ -/* Note: If you add an entry only in order to set the CAPACITY_OK flag, +/* + * Note: If you add an entry only in order to set the CAPACITY_OK flag, * use the COMPLIANT_DEV macro instead of UNUSUAL_DEV. This is * because such entries mark devices which actually work correctly, * as opposed to devices that do something strangely or wrongly. */ -/* In-kernel mode switching is deprecated. Do not add new devices to +/* + * In-kernel mode switching is deprecated. Do not add new devices to * this list for the sole purpose of switching them to a different * mode. Existing userspace solutions are superior. * @@ -66,8 +71,7 @@ #define NO_SDDR09 #endif -/* patch submitted by Vivian Bregier <Vivian.Bregier@imag.fr> - */ +/* patch submitted by Vivian Bregier <Vivian.Bregier@imag.fr> */ UNUSUAL_DEV( 0x03eb, 0x2002, 0x0100, 0x0100, "ATMEL", "SND1 Storage", @@ -93,7 +97,8 @@ UNUSUAL_DEV( 0x03f0, 0x070c, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SANE_SENSE ), -/* Reported by Grant Grundler <grundler@parisc-linux.org> +/* + * Reported by Grant Grundler <grundler@parisc-linux.org> * HP r707 camera in "Disk" mode with 2.00.23 or 2.00.24 firmware. */ UNUSUAL_DEV( 0x03f0, 0x4002, 0x0001, 0x0001, @@ -107,7 +112,8 @@ UNUSUAL_DEV( 0x03f3, 0x0001, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), -/* Reported by Sebastian Kapfer <sebastian_kapfer@gmx.net> +/* + * Reported by Sebastian Kapfer <sebastian_kapfer@gmx.net> * and Olaf Hering <olh@suse.de> (different bcd's, same vendor/product) * for USB floppies that need the SINGLE_LUN enforcement. */ @@ -124,7 +130,8 @@ UNUSUAL_DEV( 0x040d, 0x6205, 0x0003, 0x0003, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Deduced by Jonathan Woithe <jwoithe@just42.net> +/* + * Deduced by Jonathan Woithe <jwoithe@just42.net> * Entry needed for flags: US_FL_FIX_INQUIRY because initial inquiry message * always fails and confuses drive. */ @@ -167,8 +174,10 @@ UNUSUAL_DEV( 0x0420, 0x0001, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Andrew Nayenko <relan@bk.ru> - * Updated for new firmware by Phillip Potter <phillipinda@hotmail.com> */ +/* + * Reported by Andrew Nayenko <relan@bk.ru> + * Updated for new firmware by Phillip Potter <phillipinda@hotmail.com> + */ UNUSUAL_DEV( 0x0421, 0x0019, 0x0592, 0x0610, "Nokia", "Nokia 6288", @@ -196,16 +205,20 @@ UNUSUAL_DEV( 0x0421, 0x0434, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY | US_FL_IGNORE_RESIDUE ), -/* Reported by Sumedha Swamy <sumedhaswamy@gmail.com> and - * Einar Th. Einarsson <einarthered@gmail.com> */ +/* + * Reported by Sumedha Swamy <sumedhaswamy@gmail.com> and + * Einar Th. Einarsson <einarthered@gmail.com> + */ UNUSUAL_DEV( 0x0421, 0x0444, 0x0100, 0x0100, "Nokia", "N91", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE | US_FL_FIX_CAPACITY ), -/* Reported by Jiri Slaby <jirislaby@gmail.com> and - * Rene C. Castberg <Rene@Castberg.org> */ +/* + * Reported by Jiri Slaby <jirislaby@gmail.com> and + * Rene C. Castberg <Rene@Castberg.org> + */ UNUSUAL_DEV( 0x0421, 0x0446, 0x0100, 0x0100, "Nokia", "N80", @@ -269,8 +282,10 @@ UNUSUAL_DEV( 0x0436, 0x0005, 0x0100, 0x0100, US_FL_SINGLE_LUN ), #endif -/* Patch submitted by Daniel Drake <dsd@gentoo.org> - * Device reports nonsense bInterfaceProtocol 6 when connected over USB2 */ +/* + * Patch submitted by Daniel Drake <dsd@gentoo.org> + * Device reports nonsense bInterfaceProtocol 6 when connected over USB2 + */ UNUSUAL_DEV( 0x0451, 0x5416, 0x0100, 0x0100, "Neuros Audio", "USB 2.0 HD 2.5", @@ -288,17 +303,18 @@ UNUSUAL_DEV( 0x0457, 0x0150, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ), /* -* Bohdan Linda <bohdan.linda@gmail.com> -* 1GB USB sticks MyFlash High Speed. I have restricted -* the revision to my model only -*/ + * Bohdan Linda <bohdan.linda@gmail.com> + * 1GB USB sticks MyFlash High Speed. I have restricted + * the revision to my model only + */ UNUSUAL_DEV( 0x0457, 0x0151, 0x0100, 0x0100, "USB 2.0", "Flash Disk", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ), -/* Reported by Tamas Kerecsen <kerecsen@bigfoot.com> +/* + * Reported by Tamas Kerecsen <kerecsen@bigfoot.com> * Obviously the PROM has not been customized by the VAR; * the Vendor and Product string descriptors are: * Generic Mass Storage (PROTOTYPE--Remember to change idVendor) @@ -347,24 +363,30 @@ UNUSUAL_DEV( 0x0482, 0x0107, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY | US_FL_NOT_LOCKABLE), -/* Reported by Paul Stewart <stewart@wetlogic.net> - * This entry is needed because the device reports Sub=ff */ +/* + * Reported by Paul Stewart <stewart@wetlogic.net> + * This entry is needed because the device reports Sub=ff + */ UNUSUAL_DEV( 0x04a4, 0x0004, 0x0001, 0x0001, "Hitachi", "DVD-CAM DZ-MV100A Camcorder", USB_SC_SCSI, USB_PR_CB, NULL, US_FL_SINGLE_LUN), -/* BENQ DC5330 +/* + * BENQ DC5330 * Reported by Manuel Fombuena <mfombuena@ya.com> and - * Frank Copeland <fjc@thingy.apana.org.au> */ + * Frank Copeland <fjc@thingy.apana.org.au> + */ UNUSUAL_DEV( 0x04a5, 0x3010, 0x0100, 0x0100, "Tekom Technologies, Inc", "300_CAMERA", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Patch for Nikon coolpix 2000 - * Submitted by Fabien Cosse <fabien.cosse@wanadoo.fr>*/ +/* + * Patch for Nikon coolpix 2000 + * Submitted by Fabien Cosse <fabien.cosse@wanadoo.fr> + */ UNUSUAL_DEV( 0x04b0, 0x0301, 0x0010, 0x0010, "NIKON", "NIKON DSC E2000", @@ -378,21 +400,26 @@ UNUSUAL_DEV( 0x04b3, 0x4001, 0x0110, 0x0110, USB_SC_DEVICE, USB_PR_CB, NULL, US_FL_MAX_SECTORS_MIN), -/* Reported by Simon Levitt <simon@whattf.com> - * This entry needs Sub and Proto fields */ +/* + * Reported by Simon Levitt <simon@whattf.com> + * This entry needs Sub and Proto fields + */ UNUSUAL_DEV( 0x04b8, 0x0601, 0x0100, 0x0100, "Epson", "875DC Storage", USB_SC_SCSI, USB_PR_CB, NULL, US_FL_FIX_INQUIRY), -/* Reported by Khalid Aziz <khalid@gonehiking.org> - * This entry is needed because the device reports Sub=ff */ +/* + * Reported by Khalid Aziz <khalid@gonehiking.org> + * This entry is needed because the device reports Sub=ff + */ UNUSUAL_DEV( 0x04b8, 0x0602, 0x0110, 0x0110, "Epson", "785EPX Storage", USB_SC_SCSI, USB_PR_BULK, NULL, US_FL_SINGLE_LUN), -/* Not sure who reported this originally but +/* + * Not sure who reported this originally but * Pavel Machek <pavel@ucw.cz> reported that the extra US_FL_SINGLE_LUN * flag be added */ UNUSUAL_DEV( 0x04cb, 0x0100, 0x0000, 0x2210, @@ -400,7 +427,8 @@ UNUSUAL_DEV( 0x04cb, 0x0100, 0x0000, 0x2210, "FinePix 1400Zoom", USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN), -/* Reported by Ondrej Zary <linux@rainbow-software.org> +/* + * Reported by Ondrej Zary <linux@rainbow-software.org> * The device reports one sector more and breaks when that sector is accessed */ UNUSUAL_DEV( 0x04ce, 0x0002, 0x026c, 0x026c, @@ -409,7 +437,8 @@ UNUSUAL_DEV( 0x04ce, 0x0002, 0x026c, 0x026c, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), -/* Reported by Kriston Fincher <kriston@airmail.net> +/* + * Reported by Kriston Fincher <kriston@airmail.net> * Patch submitted by Sean Millichamp <sean@bruenor.org> * This is to support the Panasonic PalmCam PV-SD4090 * This entry is needed because the device reports Sub=ff @@ -419,8 +448,10 @@ UNUSUAL_DEV( 0x04da, 0x0901, 0x0100, 0x0200, "LS-120 Camera", USB_SC_UFI, USB_PR_DEVICE, NULL, 0), -/* From Yukihiro Nakai, via zaitcev@yahoo.com. - * This is needed for CB instead of CBI */ +/* + * From Yukihiro Nakai, via zaitcev@yahoo.com. + * This is needed for CB instead of CBI + */ UNUSUAL_DEV( 0x04da, 0x0d05, 0x0000, 0x0000, "Sharp CE-CW05", "CD-R/RW Drive", @@ -440,7 +471,8 @@ UNUSUAL_DEV( 0x04da, 0x2373, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY | US_FL_NOT_LOCKABLE ), -/* Most of the following entries were developed with the help of +/* + * Most of the following entries were developed with the help of * Shuttle/SCM directly. */ UNUSUAL_DEV( 0x04e6, 0x0001, 0x0200, 0x0200, @@ -536,7 +568,8 @@ UNUSUAL_DEV( 0x04e8, 0x5136, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64), -/* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. +/* + * Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Device uses standards-violating 32-byte Bulk Command Block Wrappers and * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011. */ @@ -553,7 +586,8 @@ UNUSUAL_DEV( 0x050d, 0x0115, 0x0133, 0x0133, USB_SC_SCSI, USB_PR_BULK, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), -/* Iomega Clik! Drive +/* + * Iomega Clik! Drive * Reported by David Chatenay <dchatenay@hotmail.com> * The reason this is needed is not fully known. */ @@ -570,7 +604,8 @@ COMPLIANT_DEV(0x0525, 0xa4a5, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_CAPACITY_OK ), -/* Yakumo Mega Image 37 +/* + * Yakumo Mega Image 37 * Submitted by Stephan Fuhrmann <atomenergie@t-online.de> */ UNUSUAL_DEV( 0x052b, 0x1801, 0x0100, 0x0100, "Tekom Technologies, Inc", @@ -578,8 +613,10 @@ UNUSUAL_DEV( 0x052b, 0x1801, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Another Yakumo camera. - * Reported by Michele Alzetta <michele.alzetta@aliceposta.it> */ +/* + * Another Yakumo camera. + * Reported by Michele Alzetta <michele.alzetta@aliceposta.it> + */ UNUSUAL_DEV( 0x052b, 0x1804, 0x0100, 0x0100, "Tekom Technologies, Inc", "300_CAMERA", @@ -593,16 +630,20 @@ UNUSUAL_DEV( 0x052b, 0x1807, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Yakumo Mega Image 47 - * Reported by Bjoern Paetzel <kolrabi@kolrabi.de> */ +/* + * Yakumo Mega Image 47 + * Reported by Bjoern Paetzel <kolrabi@kolrabi.de> + */ UNUSUAL_DEV( 0x052b, 0x1905, 0x0100, 0x0100, "Tekom Technologies, Inc", "400_CAMERA", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Paul Ortyl <ortylp@3miasto.net> - * Note that it's similar to the device above, only different prodID */ +/* + * Reported by Paul Ortyl <ortylp@3miasto.net> + * Note that it's similar to the device above, only different prodID + */ UNUSUAL_DEV( 0x052b, 0x1911, 0x0100, 0x0100, "Tekom Technologies, Inc", "400_CAMERA", @@ -615,8 +656,10 @@ UNUSUAL_DEV( 0x054c, 0x0010, 0x0106, 0x0450, USB_SC_SCSI, USB_PR_DEVICE, NULL, US_FL_SINGLE_LUN | US_FL_NOT_LOCKABLE | US_FL_NO_WP_DETECT ), -/* Submitted by Lars Jacob <jacob.lars@googlemail.com> - * This entry is needed because the device reports Sub=ff */ +/* + * Submitted by Lars Jacob <jacob.lars@googlemail.com> + * This entry is needed because the device reports Sub=ff + */ UNUSUAL_DEV( 0x054c, 0x0010, 0x0500, 0x0610, "Sony", "DSC-T1/T5/H5", @@ -719,7 +762,8 @@ UNUSUAL_DEV( 0x057b, 0x0000, 0x0000, 0x0299, USB_SC_DEVICE, USB_PR_CB, NULL, US_FL_SINGLE_LUN), -/* Reported by Johann Cardon <johann.cardon@free.fr> +/* + * Reported by Johann Cardon <johann.cardon@free.fr> * This entry is needed only because the device reports * bInterfaceClass = 0xff (vendor-specific) */ @@ -741,7 +785,8 @@ UNUSUAL_DEV( 0x0595, 0x4343, 0x0000, 0x2210, "Digital Camera EX-20 DSC", USB_SC_8070, USB_PR_DEVICE, NULL, 0 ), -/* Reported by Andre Welter <a.r.welter@gmx.de> +/* + * Reported by Andre Welter <a.r.welter@gmx.de> * This antique device predates the release of the Bulk-only Transport * spec, and if it gets a Get-Max-LUN then it requires the host to do a * Clear-Halt on the bulk endpoints. The SINGLE_LUN flag will prevent @@ -773,7 +818,8 @@ UNUSUAL_DEV( 0x059f, 0x0651, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_WP_DETECT ), -/* Submitted by Joel Bourquard <numlock@freesurf.ch> +/* + * Submitted by Joel Bourquard <numlock@freesurf.ch> * Some versions of this device need the SubClass and Protocol overrides * while others don't. */ @@ -783,7 +829,8 @@ UNUSUAL_DEV( 0x05ab, 0x0060, 0x1104, 0x1110, USB_SC_SCSI, USB_PR_BULK, NULL, US_FL_NEED_OVERRIDE ), -/* Submitted by Sven Anderson <sven-linux@anderson.de> +/* + * Submitted by Sven Anderson <sven-linux@anderson.de> * There are at least four ProductIDs used for iPods, so I added 0x1202 and * 0x1204. They just need the US_FL_FIX_CAPACITY. As the bcdDevice appears * to change with firmware updates, I changed the range to maximum for all @@ -824,7 +871,8 @@ UNUSUAL_DEV( 0x05ac, 0x120a, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), -/* Reported by Dan Williams <dcbw@redhat.com> +/* + * Reported by Dan Williams <dcbw@redhat.com> * Option N.V. mobile broadband modems * Ignore driver CD mode and force into modem mode by default. */ @@ -843,7 +891,8 @@ UNUSUAL_DEV( 0x05dc, 0xb002, 0x0000, 0x0113, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY ), -/* The following two entries are for a Genesys USB to IDE +/* + * The following two entries are for a Genesys USB to IDE * converter chip, but it changes its ProductId depending * on whether or not a disk or an optical device is enclosed * They were originally reported by Alexander Oltu @@ -873,8 +922,10 @@ UNUSUAL_DEV( 0x05e3, 0x0723, 0x9451, 0x9451, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SANE_SENSE ), -/* Reported by Hanno Boeck <hanno@gmx.de> - * Taken from the Lycoris Kernel */ +/* + * Reported by Hanno Boeck <hanno@gmx.de> + * Taken from the Lycoris Kernel + */ UNUSUAL_DEV( 0x0636, 0x0003, 0x0000, 0x9999, "Vivitar", "Vivicam 35Xx", @@ -908,8 +959,10 @@ UNUSUAL_DEV( 0x067b, 0x2317, 0x0001, 0x001, US_FL_NOT_LOCKABLE ), /* Reported by Richard -=[]=- <micro_flyer@hotmail.com> */ -/* Change to bcdDeviceMin (0x0100 to 0x0001) reported by - * Thomas Bartosik <tbartdev@gmx-topmail.de> */ +/* + * Change to bcdDeviceMin (0x0100 to 0x0001) reported by + * Thomas Bartosik <tbartdev@gmx-topmail.de> + */ UNUSUAL_DEV( 0x067b, 0x2507, 0x0001, 0x0100, "Prolific Technology Inc.", "Mass Storage Device", @@ -961,7 +1014,8 @@ UNUSUAL_DEV( 0x071b, 0x3203, 0x0000, 0x0000, US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64 | US_FL_NO_READ_CAPACITY_16), -/* Reported by Jean-Baptiste Onofre <jb@nanthrax.net> +/* + * Reported by Jean-Baptiste Onofre <jb@nanthrax.net> * Support the following product : * "Dane-Elec MediaTouch" */ @@ -971,7 +1025,8 @@ UNUSUAL_DEV( 0x071b, 0x32bb, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64), -/* Reported by Massimiliano Ghilardi <massimiliano.ghilardi@gmail.com> +/* + * Reported by Massimiliano Ghilardi <massimiliano.ghilardi@gmail.com> * This USB MP3/AVI player device fails and disconnects if more than 128 * sectors (64kB) are read/written in a single command, and may be present * at least in the following products: @@ -1040,7 +1095,8 @@ UNUSUAL_DEV( 0x07af, 0x0006, 0x0100, 0x0100, US_FL_SINGLE_LUN ), #endif -/* Datafab KECF-USB / Sagatek DCS-CF / Simpletech Flashlink UCF-100 +/* + * Datafab KECF-USB / Sagatek DCS-CF / Simpletech Flashlink UCF-100 * Only revision 1.13 tested (same for all of the above devices, * based on the Datafab DF-UG-07 chip). Needed for US_FL_FIX_INQUIRY. * Submitted by Marek Michalkiewicz <marekm@amelek.gda.pl>. @@ -1052,7 +1108,8 @@ UNUSUAL_DEV( 0x07c4, 0xa400, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_FIX_CAPACITY ), -/* Reported by Rauch Wolke <rauchwolke@gmx.net> +/* + * Reported by Rauch Wolke <rauchwolke@gmx.net> * and augmented by binbin <binbinsh@gmail.com> (Bugzilla #12882) */ UNUSUAL_DEV( 0x07c4, 0xa4a5, 0x0000, 0xffff, @@ -1061,7 +1118,8 @@ UNUSUAL_DEV( 0x07c4, 0xa4a5, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE | US_FL_MAX_SECTORS_64 ), -/* Casio QV 2x00/3x00/4000/8000 digital still cameras are not conformant +/* + * Casio QV 2x00/3x00/4000/8000 digital still cameras are not conformant * to the USB storage specification in two ways: * - They tell us they are using transport protocol CBI. In reality they * are using transport protocol CB. @@ -1119,7 +1177,8 @@ UNUSUAL_DEV( 0x084b, 0xa001, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), -/* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. +/* + * Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Flag will support Bulk devices which use a standards-violating 32-byte * Command Block Wrapper. Here, the "DC2MEGA" cameras (several brands) with * Grandtech GT892x chip, which request "Proprietary SCSI Bulk" support. @@ -1131,7 +1190,8 @@ UNUSUAL_DEV( 0x084d, 0x0011, 0x0110, 0x0110, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BULK32), -/* Reported by <ttkspam@free.fr> +/* + * Reported by <ttkspam@free.fr> * The device reports a vendor-specific device class, requiring an * explicit vendor/product match. */ @@ -1140,11 +1200,12 @@ UNUSUAL_DEV( 0x0851, 0x1542, 0x0002, 0x0002, "FW_Omega2", USB_SC_DEVICE, USB_PR_DEVICE, NULL, 0), -/* Andrew Lunn <andrew@lunn.ch> +/* + * Andrew Lunn <andrew@lunn.ch> * PanDigital Digital Picture Frame. Does not like ALLOW_MEDIUM_REMOVAL * on LUN 4. * Note: Vend:Prod clash with "Ltd Maxell WS30 Slim Digital Camera" -*/ + */ UNUSUAL_DEV( 0x0851, 0x1543, 0x0200, 0x0200, "PanDigital", "Photo Frame", @@ -1170,7 +1231,8 @@ UNUSUAL_DEV( 0x08bd, 0x1100, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SINGLE_LUN), -/* Submitted by Dylan Taft <d13f00l@gmail.com> +/* + * Submitted by Dylan Taft <d13f00l@gmail.com> * US_FL_IGNORE_RESIDUE Needed */ UNUSUAL_DEV( 0x08ca, 0x3103, 0x0100, 0x0100, @@ -1179,7 +1241,8 @@ UNUSUAL_DEV( 0x08ca, 0x3103, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE), -/* Entry needed for flags. Moreover, all devices with this ID use +/* + * Entry needed for flags. Moreover, all devices with this ID use * bulk-only transport, but _some_ falsely report Control/Bulk instead. * One example is "Trumpion Digital Research MYMP3". * Submitted by Bjoern Brill <brill(at)fs.math.uni-frankfurt.de> @@ -1190,7 +1253,8 @@ UNUSUAL_DEV( 0x090a, 0x1001, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_BULK, NULL, US_FL_NEED_OVERRIDE ), -/* Reported by Filippo Bardelli <filibard@libero.it> +/* + * Reported by Filippo Bardelli <filibard@libero.it> * The device reports a subclass of RBC, which is wrong. */ UNUSUAL_DEV( 0x090a, 0x1050, 0x0100, 0x0100, @@ -1213,7 +1277,8 @@ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), -/* Reported by Paul Hartman <paul.hartman+linux@gmail.com> +/* + * Reported by Paul Hartman <paul.hartman+linux@gmail.com> * This card reader returns "Illegal Request, Logical Block Address * Out of Range" for the first READ(10) after a new card is inserted. */ @@ -1223,7 +1288,8 @@ UNUSUAL_DEV( 0x090c, 0x6000, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), -/* This Pentax still camera is not conformant +/* + * This Pentax still camera is not conformant * to the USB storage specification: - * - It does not like the INQUIRY command. So we must handle this command * of the SCSI layer ourselves. @@ -1236,8 +1302,10 @@ UNUSUAL_DEV( 0x0a17, 0x0004, 0x1000, 0x1000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY ), -/* These are virtual windows driver CDs, which the zd1211rw driver - * automatically converts into WLAN devices. */ +/* + * These are virtual windows driver CDs, which the zd1211rw driver + * automatically converts into WLAN devices. + */ UNUSUAL_DEV( 0x0ace, 0x2011, 0x0101, 0x0101, "ZyXEL", "G-220F USB-WLAN Install", @@ -1250,7 +1318,8 @@ UNUSUAL_DEV( 0x0ace, 0x20ff, 0x0101, 0x0101, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_DEVICE ), -/* Reported by Dan Williams <dcbw@redhat.com> +/* + * Reported by Dan Williams <dcbw@redhat.com> * Option N.V. mobile broadband modems * Ignore driver CD mode and force into modem mode by default. */ @@ -1262,20 +1331,24 @@ UNUSUAL_DEV( 0x0af0, 0x6971, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, option_ms_init, 0), -/* Reported by F. Aben <f.aben@option.com> +/* + * Reported by F. Aben <f.aben@option.com> * This device (wrongly) has a vendor-specific device descriptor. * The entry is needed so usb-storage can bind to it's mass-storage - * interface as an interface driver */ + * interface as an interface driver + */ UNUSUAL_DEV( 0x0af0, 0x7401, 0x0000, 0x0000, "Option", "GI 0401 SD-Card", USB_SC_DEVICE, USB_PR_DEVICE, NULL, 0 ), -/* Reported by Jan Dumon <j.dumon@option.com> +/* + * Reported by Jan Dumon <j.dumon@option.com> * These devices (wrongly) have a vendor-specific device descriptor. * These entries are needed so usb-storage can bind to their mass-storage - * interface as an interface driver */ + * interface as an interface driver + */ UNUSUAL_DEV( 0x0af0, 0x7501, 0x0000, 0x0000, "Option", "GI 0431 SD-Card", @@ -1419,7 +1492,8 @@ UNUSUAL_DEV( 0x0dc4, 0x0073, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), -/* Reported by Lubomir Blaha <tritol@trilogic.cz> +/* + * Reported by Lubomir Blaha <tritol@trilogic.cz> * I _REALLY_ don't know what 3rd, 4th number and all defines mean, but this * works for me. Can anybody correct these values? (I able to test corrected * version.) @@ -1430,8 +1504,10 @@ UNUSUAL_DEV( 0x0dd8, 0x1060, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY ), -/* Reported by Edward Chapman (taken from linux-usb mailing list) - Netac OnlyDisk Mini U2CV2 512MB USB 2.0 Flash Drive */ +/* + * Reported by Edward Chapman (taken from linux-usb mailing list) + * Netac OnlyDisk Mini U2CV2 512MB USB 2.0 Flash Drive + */ UNUSUAL_DEV( 0x0dd8, 0xd202, 0x0000, 0x9999, "Netac", "USB Flash Disk", @@ -1439,8 +1515,10 @@ UNUSUAL_DEV( 0x0dd8, 0xd202, 0x0000, 0x9999, US_FL_IGNORE_RESIDUE ), -/* Patch by Stephan Walter <stephan.walter@epfl.ch> - * I don't know why, but it works... */ +/* + * Patch by Stephan Walter <stephan.walter@epfl.ch> + * I don't know why, but it works... + */ UNUSUAL_DEV( 0x0dda, 0x0001, 0x0012, 0x0012, "WINWARD", "Music Disk", @@ -1468,8 +1546,10 @@ UNUSUAL_DEV( 0x0ed1, 0x6660, 0x0100, 0x0300, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY ), -/* Submitted by Daniel Drake <dsd@gentoo.org> - * Reported by dayul on the Gentoo Forums */ +/* + * Submitted by Daniel Drake <dsd@gentoo.org> + * Reported by dayul on the Gentoo Forums + */ UNUSUAL_DEV( 0x0ea0, 0x2168, 0x0110, 0x0110, "Ours Technology", "Flash Disk", @@ -1483,15 +1563,18 @@ UNUSUAL_DEV( 0x0ea0, 0x6828, 0x0110, 0x0110, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Benjamin Schiller <sbenni@gmx.de> - * It is also sold by Easylite as DJ 20 */ +/* + * Reported by Benjamin Schiller <sbenni@gmx.de> + * It is also sold by Easylite as DJ 20 + */ UNUSUAL_DEV( 0x0ed1, 0x7636, 0x0103, 0x0103, "Typhoon", "My DJ 1820", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE | US_FL_GO_SLOW | US_FL_MAX_SECTORS_64), -/* Patch by Leonid Petrov mail at lpetrov.net +/* + * Patch by Leonid Petrov mail at lpetrov.net * Reported by Robert Spitzenpfeil <robert@spitzenpfeil.org> * http://www.qbik.ch/usb/devices/showdev.php?id=1705 * Updated to 103 device by MJ Ray mjr at phonecoop.coop @@ -1502,7 +1585,8 @@ UNUSUAL_DEV( 0x0f19, 0x0103, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* David Kuehling <dvdkhlng@gmx.de>: +/* + * David Kuehling <dvdkhlng@gmx.de>: * for MP3-Player AVOX WSX-300ER (bought in Japan). Reports lots of SCSI * errors when trying to write. */ @@ -1540,8 +1624,10 @@ UNUSUAL_DEV( 0x0fce, 0xd0e1, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_DEVICE), -/* Reported by Jan Mate <mate@fiit.stuba.sk> - * and by Soeren Sonnenburg <kernel@nn7.de> */ +/* + * Reported by Jan Mate <mate@fiit.stuba.sk> + * and by Soeren Sonnenburg <kernel@nn7.de> + */ UNUSUAL_DEV( 0x0fce, 0xe030, 0x0000, 0x0000, "Sony Ericsson", "P990i", @@ -1562,7 +1648,8 @@ UNUSUAL_DEV( 0x0fce, 0xe092, 0x0000, 0x0000, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Kevin Cernekee <kpc-usbdev@gelato.uiuc.edu> +/* + * Reported by Kevin Cernekee <kpc-usbdev@gelato.uiuc.edu> * Tested on hardware version 1.10. * Entry is needed only for the initializer function override. * Devices with bcd > 110 seem to not need it while those @@ -1586,7 +1673,8 @@ UNUSUAL_DEV(0x1058, 0x070a, 0x0000, 0x9999, "My Passport HDD", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_WRITE_CACHE), -/* Reported by Fabio Venturi <f.venturi@tdnet.it> +/* + * Reported by Fabio Venturi <f.venturi@tdnet.it> * The device reports a vendor-specific bDeviceClass. */ UNUSUAL_DEV( 0x10d6, 0x2200, 0x0100, 0x0100, @@ -1595,7 +1683,8 @@ UNUSUAL_DEV( 0x10d6, 0x2200, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, 0), -/* Reported by Pascal Terjan <pterjan@mandriva.com> +/* + * Reported by Pascal Terjan <pterjan@mandriva.com> * Ignore driver CD mode and force into modem mode by default. */ UNUSUAL_DEV( 0x1186, 0x3e04, 0x0000, 0x0000, @@ -1603,7 +1692,8 @@ UNUSUAL_DEV( 0x1186, 0x3e04, 0x0000, 0x0000, "USB Mass Storage", USB_SC_DEVICE, USB_PR_DEVICE, option_ms_init, US_FL_IGNORE_DEVICE), -/* Reported by Kevin Lloyd <linux@sierrawireless.com> +/* + * Reported by Kevin Lloyd <linux@sierrawireless.com> * Entry is needed for the initializer function override, * which instructs the device to load as a modem * device. @@ -1614,7 +1704,8 @@ UNUSUAL_DEV( 0x1199, 0x0fff, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, sierra_ms_init, 0), -/* Reported by Jaco Kroon <jaco@kroon.co.za> +/* + * Reported by Jaco Kroon <jaco@kroon.co.za> * The usb-storage module found on the Digitech GNX4 (and supposedly other * devices) misbehaves and causes a bunch of invalid I/O errors. */ @@ -1624,7 +1715,8 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by fangxiaozhi <huananhu@huawei.com> +/* + * Reported by fangxiaozhi <huananhu@huawei.com> * This brings the HUAWEI data card devices into multi-port mode */ UNUSUAL_DEV( 0x12d1, 0x1001, 0x0000, 0x0000, @@ -1993,7 +2085,8 @@ UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0116, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA ), -/* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br> +/* + * Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br> * JMicron responds to USN and several other SCSI ioctls with a * residue that causes subsequent I/O requests to fail. */ UNUSUAL_DEV( 0x152d, 0x2329, 0x0100, 0x0100, @@ -2009,7 +2102,8 @@ UNUSUAL_DEV( 0x152d, 0x2566, 0x0114, 0x0114, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA ), -/* Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI) +/* + * Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI) * and Mac USB Dock USB-SCSI */ UNUSUAL_DEV( 0x1645, 0x0007, 0x0100, 0x0133, "Entrega Technologies", @@ -2017,8 +2111,10 @@ UNUSUAL_DEV( 0x1645, 0x0007, 0x0100, 0x0133, USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), -/* Reported by Robert Schedel <r.schedel@yahoo.de> - * Note: this is a 'super top' device like the above 14cd/6600 device */ +/* + * Reported by Robert Schedel <r.schedel@yahoo.de> + * Note: this is a 'super top' device like the above 14cd/6600 device + */ UNUSUAL_DEV( 0x1652, 0x6600, 0x0201, 0x0201, "Teac", "HD-35PUK-B", @@ -2045,10 +2141,12 @@ UNUSUAL_DEV( 0x1822, 0x0001, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), -/* Reported by Hans de Goede <hdegoede@redhat.com> +/* + * Reported by Hans de Goede <hdegoede@redhat.com> * These Appotech controllers are found in Picture Frames, they provide a * (buggy) emulation of a cdrom drive which contains the windows software - * Uploading of pictures happens over the corresponding /dev/sg device. */ + * Uploading of pictures happens over the corresponding /dev/sg device. + */ UNUSUAL_DEV( 0x1908, 0x1315, 0x0000, 0x0000, "BUILDWIN", "Photo Frame", @@ -2065,19 +2163,22 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_READ_DISC_INFO ), -/* Reported by Oliver Neukum <oneukum@suse.com> +/* + * Reported by Oliver Neukum <oneukum@suse.com> * This device morphes spontaneously into another device if the access * pattern of Windows isn't followed. Thus writable media would be dirty * if the initial instance is used. So the device is limited to its * virtual CD. - * And yes, the concept that BCD goes up to 9 is not heeded */ + * And yes, the concept that BCD goes up to 9 is not heeded + */ UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff, "ZTE,Incorporated", "ZTE WCDMA Technologies MSM", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SINGLE_LUN ), -/* Reported by Sven Geggus <sven-usbst@geggus.net> +/* + * Reported by Sven Geggus <sven-usbst@geggus.net> * This encrypted pen drive returns bogus data for the initial READ(10). */ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, @@ -2086,7 +2187,8 @@ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), -/* Reported by Hans de Goede <hdegoede@redhat.com> +/* + * Reported by Hans de Goede <hdegoede@redhat.com> * These are mini projectors using USB for both power and video data transport * The usb-storage interface is a virtual windows driver CD, which the gm12u320 * driver automatically converts into framebuffer & kms dri device nodes. @@ -2097,9 +2199,11 @@ UNUSUAL_DEV( 0x1de1, 0xc102, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_DEVICE ), -/* Patch by Richard Schütz <r.schtz@t-online.de> +/* + * Patch by Richard Schütz <r.schtz@t-online.de> * This external hard drive enclosure uses a JMicron chip which - * needs the US_FL_IGNORE_RESIDUE flag to work properly. */ + * needs the US_FL_IGNORE_RESIDUE flag to work properly. + */ UNUSUAL_DEV( 0x1e68, 0x001b, 0x0000, 0x0000, "TrekStor GmbH & Co. KG", "DataStation maxi g.u", @@ -2126,7 +2230,8 @@ UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), -/* patch submitted by Davide Perini <perini.davide@dpsoftware.org> +/* + * patch submitted by Davide Perini <perini.davide@dpsoftware.org> * and Renato Perini <rperini@email.it> */ UNUSUAL_DEV( 0x22b8, 0x3010, 0x0001, 0x0001, @@ -2153,7 +2258,8 @@ UNUSUAL_DEV( 0x2735, 0x100b, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_GO_SLOW ), -/* Reported by Frederic Marchal <frederic.marchal@wowcompany.com> +/* + * Reported by Frederic Marchal <frederic.marchal@wowcompany.com> * Mio Moov 330 */ UNUSUAL_DEV( 0x3340, 0xffff, 0x0000, 0x0000, diff --git a/drivers/usb/storage/unusual_freecom.h b/drivers/usb/storage/unusual_freecom.h index 59a261155b98..1f5aab42ece2 100644 --- a/drivers/usb/storage/unusual_freecom.h +++ b/drivers/usb/storage/unusual_freecom.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Freecom USB/IDE adaptor +/* + * Unusual Devices File for the Freecom USB/IDE adaptor * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_isd200.h b/drivers/usb/storage/unusual_isd200.h index 14cca0c48302..9b6862ec3d4f 100644 --- a/drivers/usb/storage/unusual_isd200.h +++ b/drivers/usb/storage/unusual_isd200.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for In-System Design, Inc. ISD200 ASIC +/* + * Unusual Devices File for In-System Design, Inc. ISD200 ASIC * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_jumpshot.h b/drivers/usb/storage/unusual_jumpshot.h index 54be78b5d643..413e64fa6b95 100644 --- a/drivers/usb/storage/unusual_jumpshot.h +++ b/drivers/usb/storage/unusual_jumpshot.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Lexar "Jumpshot" Compact Flash reader +/* + * Unusual Devices File for the Lexar "Jumpshot" Compact Flash reader * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_karma.h b/drivers/usb/storage/unusual_karma.h index 6df03972a22c..e6fad3aeae20 100644 --- a/drivers/usb/storage/unusual_karma.h +++ b/drivers/usb/storage/unusual_karma.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Rio Karma +/* + * Unusual Devices File for the Rio Karma * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_onetouch.h b/drivers/usb/storage/unusual_onetouch.h index 0abb819c7405..425dc22f345a 100644 --- a/drivers/usb/storage/unusual_onetouch.h +++ b/drivers/usb/storage/unusual_onetouch.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for the Maxtor OneTouch USB hard drive's button +/* + * Unusual Devices File for the Maxtor OneTouch USB hard drive's button * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -18,7 +19,8 @@ #if defined(CONFIG_USB_STORAGE_ONETOUCH) || \ defined(CONFIG_USB_STORAGE_ONETOUCH_MODULE) -/* Submitted by: Nick Sillik <n.sillik@temple.edu> +/* + * Submitted by: Nick Sillik <n.sillik@temple.edu> * Needed for OneTouch extension to usb-storage */ UNUSUAL_DEV( 0x0d49, 0x7000, 0x0000, 0x9999, diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h index e41f50c95ed4..8fe624ad302a 100644 --- a/drivers/usb/storage/unusual_realtek.h +++ b/drivers/usb/storage/unusual_realtek.h @@ -1,4 +1,5 @@ -/* Driver for Realtek RTS51xx USB card reader +/* + * Driver for Realtek RTS51xx USB card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * diff --git a/drivers/usb/storage/unusual_sddr09.h b/drivers/usb/storage/unusual_sddr09.h index 59a7e37b6c11..d9d38ac4abf9 100644 --- a/drivers/usb/storage/unusual_sddr09.h +++ b/drivers/usb/storage/unusual_sddr09.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for SanDisk SDDR-09 SmartMedia reader +/* + * Unusual Devices File for SanDisk SDDR-09 SmartMedia reader * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_sddr55.h b/drivers/usb/storage/unusual_sddr55.h index fcb7e12c598f..ebb1d1c6c467 100644 --- a/drivers/usb/storage/unusual_sddr55.h +++ b/drivers/usb/storage/unusual_sddr55.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for SanDisk SDDR-55 SmartMedia reader +/* + * Unusual Devices File for SanDisk SDDR-55 SmartMedia reader * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index 53341a77d89f..cbea9f329e71 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -1,4 +1,5 @@ -/* Driver for USB Attached SCSI devices - Unusual Devices File +/* + * Driver for USB Attached SCSI devices - Unusual Devices File * * (c) 2013 Hans de Goede <hdegoede@redhat.com> * diff --git a/drivers/usb/storage/unusual_usbat.h b/drivers/usb/storage/unusual_usbat.h index 38e79c4e6d6a..2044ad5ef5e4 100644 --- a/drivers/usb/storage/unusual_usbat.h +++ b/drivers/usb/storage/unusual_usbat.h @@ -1,4 +1,5 @@ -/* Unusual Devices File for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable +/* + * Unusual Devices File for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 9de988a0f856..ef2d8cde6ef7 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * * Current development and maintenance by: * (c) 1999-2003 Matthew Dharm (mdharm-usb@one-eyed-alien.net) @@ -97,7 +98,8 @@ MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks"); * with the entries in usb_storage_usb_ids[], defined in usual-tables.c. */ -/* The vendor name should be kept at eight characters or less, and +/* + *The vendor name should be kept at eight characters or less, and * the product name should be kept at 16 characters or less. If a device * has the US_FL_FIX_INQUIRY flag, then the vendor and product names * normally generated by a device through the INQUIRY response will be @@ -191,8 +193,10 @@ int usb_stor_suspend(struct usb_interface *iface, pm_message_t message) if (us->suspend_resume_hook) (us->suspend_resume_hook)(us, US_SUSPEND); - /* When runtime PM is working, we'll set a flag to indicate - * whether we should autoresume when a SCSI request arrives. */ + /* + * When runtime PM is working, we'll set a flag to indicate + * whether we should autoresume when a SCSI request arrives. + */ mutex_unlock(&us->dev_mutex); return 0; @@ -220,8 +224,10 @@ int usb_stor_reset_resume(struct usb_interface *iface) /* Report the reset to the SCSI core */ usb_stor_report_bus_reset(us); - /* FIXME: Notify the subdrivers that they need to reinitialize - * the device */ + /* + * FIXME: Notify the subdrivers that they need to reinitialize + * the device + */ return 0; } EXPORT_SYMBOL_GPL(usb_stor_reset_resume); @@ -250,8 +256,10 @@ int usb_stor_post_reset(struct usb_interface *iface) /* Report the reset to the SCSI core */ usb_stor_report_bus_reset(us); - /* FIXME: Notify the subdrivers that they need to reinitialize - * the device */ + /* + * FIXME: Notify the subdrivers that they need to reinitialize + * the device + */ mutex_unlock(&us->dev_mutex); return 0; @@ -274,15 +282,17 @@ void fill_inquiry_response(struct us_data *us, unsigned char *data, return; memset(data+8, ' ', 28); - if (data[0]&0x20) { /* USB device currently not connected. Return - peripheral qualifier 001b ("...however, the - physical device is not currently connected - to this logical unit") and leave vendor and - product identification empty. ("If the target - does store some of the INQUIRY data on the - device, it may return zeros or ASCII spaces - (20h) in those fields until the data is - available from the device."). */ + if (data[0]&0x20) { /* + * USB device currently not connected. Return + * peripheral qualifier 001b ("...however, the + * physical device is not currently connected + * to this logical unit") and leave vendor and + * product identification empty. ("If the target + * does store some of the INQUIRY data on the + * device, it may return zeros or ASCII spaces + * (20h) in those fields until the data is + * available from the device."). + */ } else { u16 bcdDevice = le16_to_cpu(us->pusb_dev->descriptor.bcdDevice); int n; @@ -336,7 +346,8 @@ static int usb_stor_control_thread(void * __us) scsi_unlock(host); - /* reject the command if the direction indicator + /* + * reject the command if the direction indicator * is UNKNOWN */ if (us->srb->sc_data_direction == DMA_BIDIRECTIONAL) { @@ -344,7 +355,8 @@ static int usb_stor_control_thread(void * __us) us->srb->result = DID_ERROR << 16; } - /* reject if target != 0 or if LUN is higher than + /* + * reject if target != 0 or if LUN is higher than * the maximum known LUN */ else if (us->srb->device->id && @@ -362,8 +374,10 @@ static int usb_stor_control_thread(void * __us) us->srb->result = DID_BAD_TARGET << 16; } - /* Handle those devices which need us to fake - * their inquiry data */ + /* + * Handle those devices which need us to fake + * their inquiry data + */ else if ((us->srb->cmnd[0] == INQUIRY) && (us->fflags & US_FL_FIX_INQUIRY)) { unsigned char data_ptr[36] = { @@ -395,11 +409,13 @@ SkipForAbort: usb_stor_dbg(us, "scsi command aborted\n"); } - /* If an abort request was received we need to signal that + /* + * If an abort request was received we need to signal that * the abort has finished. The proper test for this is * the TIMED_OUT flag, not srb->result == DID_ABORT, because * the timeout might have occurred after the command had - * already completed with a different result code. */ + * already completed with a different result code. + */ if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) { complete(&(us->notify)); @@ -610,7 +626,8 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id, le16_to_cpu(dev->descriptor.idProduct), us->fflags); - /* Log a message if a non-generic unusual_dev entry contains an + /* + * Log a message if a non-generic unusual_dev entry contains an * unnecessary subclass or protocol override. This may stimulate * reports from users that will help us remove unneeded entries * from the unusual_devs.h table. @@ -782,8 +799,10 @@ static int usb_stor_acquire_resources(struct us_data *us) return -ENOMEM; } - /* Just before we start our control thread, initialize - * the device if it needs initialization */ + /* + * Just before we start our control thread, initialize + * the device if it needs initialization + */ if (us->unusual_dev->initFunction) { p = us->unusual_dev->initFunction(us); if (p) @@ -805,7 +824,8 @@ static int usb_stor_acquire_resources(struct us_data *us) /* Release all our dynamic resources */ static void usb_stor_release_resources(struct us_data *us) { - /* Tell the control thread to exit. The SCSI host must + /* + * Tell the control thread to exit. The SCSI host must * already have been removed and the DISCONNECTING flag set * so that we won't accept any more commands. */ @@ -836,7 +856,8 @@ static void dissociate_dev(struct us_data *us) usb_set_intfdata(us->pusb_intf, NULL); } -/* First stage of disconnect processing: stop SCSI scanning, +/* + * First stage of disconnect processing: stop SCSI scanning, * remove the host, and stop accepting new commands */ static void quiesce_and_remove_host(struct us_data *us) @@ -849,7 +870,8 @@ static void quiesce_and_remove_host(struct us_data *us) wake_up(&us->delay_wait); } - /* Prevent SCSI scanning (if it hasn't started yet) + /* + * Prevent SCSI scanning (if it hasn't started yet) * or wait for the SCSI-scanning routine to stop. */ cancel_delayed_work_sync(&us->scan_dwork); @@ -858,12 +880,14 @@ static void quiesce_and_remove_host(struct us_data *us) if (test_bit(US_FLIDX_SCAN_PENDING, &us->dflags)) usb_autopm_put_interface_no_suspend(us->pusb_intf); - /* Removing the host will perform an orderly shutdown: caches + /* + * Removing the host will perform an orderly shutdown: caches * synchronized, disks spun down, etc. */ scsi_remove_host(host); - /* Prevent any new commands from being accepted and cut short + /* + * Prevent any new commands from being accepted and cut short * reset delays. */ scsi_lock(host); @@ -878,8 +902,10 @@ static void release_everything(struct us_data *us) usb_stor_release_resources(us); dissociate_dev(us); - /* Drop our reference to the host; the SCSI core will free it - * (and "us" along with it) when the refcount becomes 0. */ + /* + * Drop our reference to the host; the SCSI core will free it + * (and "us" along with it) when the refcount becomes 0. + */ scsi_host_put(us_to_host(us)); } @@ -900,7 +926,8 @@ static void usb_stor_scan_dwork(struct work_struct *work) us->max_lun = usb_stor_Bulk_max_lun(us); /* * Allow proper scanning of devices that present more than 8 LUNs - * While not affecting other devices that may need the previous behavior + * While not affecting other devices that may need the previous + * behavior */ if (us->max_lun >= 8) us_to_host(us)->max_lun = us->max_lun+1; @@ -975,7 +1002,8 @@ int usb_stor_probe1(struct us_data **pus, get_transport(us); get_protocol(us); - /* Give the caller a chance to fill in specialized transport + /* + * Give the caller a chance to fill in specialized transport * or protocol settings. */ return 0; diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index da0ad3241728..8fae28b40bb4 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage compliant devices +/* + * Driver for USB Mass Storage compliant devices * Main Header File * * Current development and maintenance by: @@ -100,7 +101,8 @@ typedef void (*pm_hook)(struct us_data *, int); /* power management hook */ /* we allocate one of these for every device that we remember */ struct us_data { - /* The device we're working with + /* + * The device we're working with * It's important to note: * (o) you must hold dev_mutex to change pusb_dev */ @@ -125,7 +127,7 @@ struct us_data { u8 max_lun; u8 ifnum; /* interface number */ - u8 ep_bInterval; /* interrupt interval */ + u8 ep_bInterval; /* interrupt interval */ /* function pointers for this device */ trans_cmnd transport; /* transport function */ @@ -175,8 +177,10 @@ static inline struct us_data *host_to_us(struct Scsi_Host *host) { extern void fill_inquiry_response(struct us_data *us, unsigned char *data, unsigned int data_len); -/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the - * single queue element srb for write access */ +/* + * The scsi_lock() and scsi_unlock() macros protect the sm_state and the + * single queue element srb for write access + */ #define scsi_unlock(host) spin_unlock_irq(host->host_lock) #define scsi_lock(host) spin_lock_irq(host->host_lock) diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c index 5ef8ce74aae4..499669bcf700 100644 --- a/drivers/usb/storage/usual-tables.c +++ b/drivers/usb/storage/usual-tables.c @@ -1,4 +1,5 @@ -/* Driver for USB Mass Storage devices +/* + * Driver for USB Mass Storage devices * Usual Tables File for usb-storage and libusual * * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu) diff --git a/drivers/usb/usbip/Kconfig b/drivers/usb/usbip/Kconfig index bd99e9e47e50..17646b25343f 100644 --- a/drivers/usb/usbip/Kconfig +++ b/drivers/usb/usbip/Kconfig @@ -1,6 +1,6 @@ config USBIP_CORE tristate "USB/IP support" - depends on USB && NET + depends on USB_COMMON && NET ---help--- This enables pushing USB packets over IP to allow remote machines direct access to USB devices. It provides the @@ -16,7 +16,7 @@ config USBIP_CORE config USBIP_VHCI_HCD tristate "VHCI hcd" - depends on USBIP_CORE + depends on USBIP_CORE && USB ---help--- This enables the USB/IP virtual host controller driver, which is run on the remote machine. @@ -26,7 +26,7 @@ config USBIP_VHCI_HCD config USBIP_HOST tristate "Host driver" - depends on USBIP_CORE + depends on USBIP_CORE && USB ---help--- This enables the USB/IP host driver, which is run on the machine that is sharing the USB devices. @@ -34,6 +34,17 @@ config USBIP_HOST To compile this driver as a module, choose M here: the module will be called usbip-host. +config USBIP_VUDC + tristate "VUDC driver" + depends on USBIP_CORE && USB_GADGET + ---help--- + This enables the USB/IP virtual USB device controller + driver, which is run on the host machine, allowing the + machine itself to act as a device. + + To compile this driver as a module, choose M here: the + module will be called usbip-vudc. + config USBIP_DEBUG bool "Debug messages for USB/IP" depends on USBIP_CORE diff --git a/drivers/usb/usbip/Makefile b/drivers/usb/usbip/Makefile index 9ecd61545be1..d843a9e68852 100644 --- a/drivers/usb/usbip/Makefile +++ b/drivers/usb/usbip/Makefile @@ -8,3 +8,6 @@ vhci-hcd-y := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o obj-$(CONFIG_USBIP_HOST) += usbip-host.o usbip-host-y := stub_dev.o stub_main.o stub_rx.o stub_tx.o + +obj-$(CONFIG_USBIP_VUDC) += usbip-vudc.o +usbip-vudc-y := vudc_dev.o vudc_sysfs.o vudc_tx.o vudc_rx.o vudc_transfer.o vudc_main.o diff --git a/drivers/usb/usbip/stub.h b/drivers/usb/usbip/stub.h index 266e2b0ce9a8..910f027773aa 100644 --- a/drivers/usb/usbip/stub.h +++ b/drivers/usb/usbip/stub.h @@ -33,7 +33,6 @@ #define STUB_BUSID_ALLOC 3 struct stub_device { - struct usb_interface *interface; struct usb_device *udev; struct usbip_device ud; diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index a3ec49bdc1e6..c653ce533430 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -219,7 +219,7 @@ static void stub_device_reset(struct usbip_device *ud) dev_dbg(&udev->dev, "device reset"); - ret = usb_lock_device_for_reset(udev, sdev->interface); + ret = usb_lock_device_for_reset(udev, NULL); if (ret < 0) { dev_err(&udev->dev, "lock for reset\n"); spin_lock_irq(&ud->lock); @@ -252,7 +252,7 @@ static void stub_device_unusable(struct usbip_device *ud) /** * stub_device_alloc - allocate a new stub_device struct - * @interface: usb_interface of a new device + * @udev: usb_device of a new device * * Allocates and initializes a new stub_device struct. */ @@ -388,7 +388,6 @@ err_files: err_port: dev_set_drvdata(&udev->dev, NULL); usb_put_dev(udev); - kthread_stop_put(sdev->ud.eh); busid_priv->sdev = NULL; stub_device_free(sdev); @@ -449,7 +448,7 @@ static void stub_disconnect(struct usb_device *udev) } /* If usb reset is called from event handler */ - if (busid_priv->sdev->ud.eh == current) + if (usbip_in_eh(current)) return; /* shutdown the current connection */ diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 00e475c51a12..2df63e305722 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -165,12 +165,7 @@ static int tweak_reset_device_cmd(struct urb *urb) dev_info(&urb->dev->dev, "usb_queue_reset_device\n"); - /* - * With the implementation of pre_reset and post_reset the driver no - * longer unbinds. This allows the use of synchronous reset. - */ - - if (usb_lock_device_for_reset(sdev->udev, sdev->interface) < 0) { + if (usb_lock_device_for_reset(sdev->udev, NULL) < 0) { dev_err(&urb->dev->dev, "could not obtain lock to reset device\n"); return 0; } @@ -321,7 +316,7 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev, priv = kmem_cache_zalloc(stub_priv_cache, GFP_ATOMIC); if (!priv) { - dev_err(&sdev->interface->dev, "alloc stub_priv\n"); + dev_err(&sdev->udev->dev, "alloc stub_priv\n"); spin_unlock_irqrestore(&sdev->priv_lock, flags); usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); return NULL; @@ -352,7 +347,7 @@ static int get_pipe(struct stub_device *sdev, int epnum, int dir) else ep = udev->ep_out[epnum & 0x7f]; if (!ep) { - dev_err(&sdev->interface->dev, "no such endpoint?, %d\n", + dev_err(&sdev->udev->dev, "no such endpoint?, %d\n", epnum); BUG(); } @@ -387,7 +382,7 @@ static int get_pipe(struct stub_device *sdev, int epnum, int dir) } /* NOT REACHED */ - dev_err(&sdev->interface->dev, "get pipe, epnum %d\n", epnum); + dev_err(&sdev->udev->dev, "get pipe, epnum %d\n", epnum); return 0; } @@ -466,7 +461,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, priv->urb = usb_alloc_urb(0, GFP_KERNEL); if (!priv->urb) { - dev_err(&sdev->interface->dev, "malloc urb\n"); + dev_err(&udev->dev, "malloc urb\n"); usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); return; } @@ -486,7 +481,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, priv->urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8, GFP_KERNEL); if (!priv->urb->setup_packet) { - dev_err(&sdev->interface->dev, "allocate setup_packet\n"); + dev_err(&udev->dev, "allocate setup_packet\n"); usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); return; } @@ -517,7 +512,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, usbip_dbg_stub_rx("submit urb ok, seqnum %u\n", pdu->base.seqnum); else { - dev_err(&sdev->interface->dev, "submit_urb error, %d\n", ret); + dev_err(&udev->dev, "submit_urb error, %d\n", ret); usbip_dump_header(pdu); usbip_dump_urb(priv->urb); diff --git a/drivers/usb/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c index dbcabc9dbe0d..6b1e8c3f0e4b 100644 --- a/drivers/usb/usbip/stub_tx.c +++ b/drivers/usb/usbip/stub_tx.c @@ -97,7 +97,10 @@ void stub_complete(struct urb *urb) /* link a urb to the queue of tx. */ spin_lock_irqsave(&sdev->priv_lock, flags); - if (priv->unlinking) { + if (sdev->ud.tcp_socket == NULL) { + usbip_dbg_stub_tx("ignore urb for closed connection %p", urb); + /* It will be freed in stub_device_cleanup_urbs(). */ + } else if (priv->unlinking) { stub_enqueue_ret_unlink(sdev, priv->seqnum, urb->status); stub_free_priv_and_urb(priv); } else { @@ -229,7 +232,7 @@ static int stub_send_ret_submit(struct stub_device *sdev) } if (txsize != sizeof(pdu_header) + urb->actual_length) { - dev_err(&sdev->interface->dev, + dev_err(&sdev->udev->dev, "actual length of urb %d does not match iso packet sizes %zu\n", urb->actual_length, txsize-sizeof(pdu_header)); @@ -261,7 +264,7 @@ static int stub_send_ret_submit(struct stub_device *sdev) ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov, iovnum, txsize); if (ret != txsize) { - dev_err(&sdev->interface->dev, + dev_err(&sdev->udev->dev, "sendmsg failed!, retval %d for %zd\n", ret, txsize); kfree(iov); @@ -336,7 +339,7 @@ static int stub_send_ret_unlink(struct stub_device *sdev) ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov, 1, txsize); if (ret != txsize) { - dev_err(&sdev->interface->dev, + dev_err(&sdev->udev->dev, "sendmsg failed!, retval %d for %zd\n", ret, txsize); usbip_event_add(&sdev->ud, SDEV_EVENT_ERROR_TCP); diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index e40da7759a0e..8b232290be6b 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -1,5 +1,7 @@ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -643,7 +645,7 @@ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb) ret); kfree(buff); - if (ud->side == USBIP_STUB) + if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); else usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); @@ -665,7 +667,7 @@ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb) "total length of iso packets %d not equal to actual length of buffer %d\n", total_length, urb->actual_length); - if (ud->side == USBIP_STUB) + if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); else usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); @@ -723,7 +725,7 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) int ret; int size; - if (ud->side == USBIP_STUB) { + if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) { /* the direction of urb must be OUT. */ if (usb_pipein(urb->pipe)) return 0; @@ -755,7 +757,7 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size); if (ret != size) { dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret); - if (ud->side == USBIP_STUB) { + if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) { usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); } else { usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); @@ -769,12 +771,19 @@ EXPORT_SYMBOL_GPL(usbip_recv_xbuff); static int __init usbip_core_init(void) { + int ret; + pr_info(DRIVER_DESC " v" USBIP_VERSION "\n"); + ret = usbip_init_eh(); + if (ret) + return ret; + return 0; } static void __exit usbip_core_exit(void) { + usbip_finish_eh(); return; } diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index 86b08475c254..c7508cbce3ce 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -1,5 +1,7 @@ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -234,6 +236,7 @@ struct usbip_iso_packet_descriptor { enum usbip_side { USBIP_VHCI, USBIP_STUB, + USBIP_VUDC, }; /* event handler */ @@ -248,6 +251,13 @@ enum usbip_side { #define SDEV_EVENT_ERROR_SUBMIT (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) #define SDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) +#define VUDC_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE) +#define VUDC_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define VUDC_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +/* catastrophic emulated usb error */ +#define VUDC_EVENT_ERROR_USB (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) +#define VUDC_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) + #define VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_BYE) #define VDEV_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) #define VDEV_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) @@ -267,7 +277,6 @@ struct usbip_device { struct task_struct *tcp_tx; unsigned long event; - struct task_struct *eh; wait_queue_head_t eh_waitq; struct eh_ops { @@ -313,10 +322,13 @@ void usbip_pad_iso(struct usbip_device *ud, struct urb *urb); int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb); /* usbip_event.c */ +int usbip_init_eh(void); +void usbip_finish_eh(void); int usbip_start_eh(struct usbip_device *ud); void usbip_stop_eh(struct usbip_device *ud); void usbip_event_add(struct usbip_device *ud, unsigned long event); int usbip_event_happened(struct usbip_device *ud); +int usbip_in_eh(struct task_struct *task); static inline int interface_to_busnum(struct usb_interface *interface) { diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c index 2580a32bcdff..f1635662c299 100644 --- a/drivers/usb/usbip/usbip_event.c +++ b/drivers/usb/usbip/usbip_event.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi + * Copyright (C) 2015 Nobuo Iwata * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,17 +20,68 @@ #include <linux/kthread.h> #include <linux/export.h> +#include <linux/slab.h> +#include <linux/workqueue.h> #include "usbip_common.h" -static int event_handler(struct usbip_device *ud) +struct usbip_event { + struct list_head node; + struct usbip_device *ud; +}; + +static DEFINE_SPINLOCK(event_lock); +static LIST_HEAD(event_list); + +static void set_event(struct usbip_device *ud, unsigned long event) { - usbip_dbg_eh("enter\n"); + unsigned long flags; - /* - * Events are handled by only this thread. - */ - while (usbip_event_happened(ud)) { + spin_lock_irqsave(&ud->lock, flags); + ud->event |= event; + spin_unlock_irqrestore(&ud->lock, flags); +} + +static void unset_event(struct usbip_device *ud, unsigned long event) +{ + unsigned long flags; + + spin_lock_irqsave(&ud->lock, flags); + ud->event &= ~event; + spin_unlock_irqrestore(&ud->lock, flags); +} + +static struct usbip_device *get_event(void) +{ + struct usbip_event *ue = NULL; + struct usbip_device *ud = NULL; + unsigned long flags; + + spin_lock_irqsave(&event_lock, flags); + if (!list_empty(&event_list)) { + ue = list_first_entry(&event_list, struct usbip_event, node); + list_del(&ue->node); + } + spin_unlock_irqrestore(&event_lock, flags); + + if (ue) { + ud = ue->ud; + kfree(ue); + } + return ud; +} + +static struct task_struct *worker_context; + +static void event_handler(struct work_struct *work) +{ + struct usbip_device *ud; + + if (worker_context == NULL) { + worker_context = current; + } + + while ((ud = get_event()) != NULL) { usbip_dbg_eh("pending event %lx\n", ud->event); /* @@ -38,79 +90,102 @@ static int event_handler(struct usbip_device *ud) */ if (ud->event & USBIP_EH_SHUTDOWN) { ud->eh_ops.shutdown(ud); - ud->event &= ~USBIP_EH_SHUTDOWN; + unset_event(ud, USBIP_EH_SHUTDOWN); } /* Reset the device. */ if (ud->event & USBIP_EH_RESET) { ud->eh_ops.reset(ud); - ud->event &= ~USBIP_EH_RESET; + unset_event(ud, USBIP_EH_RESET); } /* Mark the device as unusable. */ if (ud->event & USBIP_EH_UNUSABLE) { ud->eh_ops.unusable(ud); - ud->event &= ~USBIP_EH_UNUSABLE; + unset_event(ud, USBIP_EH_UNUSABLE); } /* Stop the error handler. */ if (ud->event & USBIP_EH_BYE) - return -1; + usbip_dbg_eh("removed %p\n", ud); + + wake_up(&ud->eh_waitq); } +} +int usbip_start_eh(struct usbip_device *ud) +{ + init_waitqueue_head(&ud->eh_waitq); + ud->event = 0; return 0; } +EXPORT_SYMBOL_GPL(usbip_start_eh); -static int event_handler_loop(void *data) +void usbip_stop_eh(struct usbip_device *ud) { - struct usbip_device *ud = data; + unsigned long pending = ud->event & ~USBIP_EH_BYE; - while (!kthread_should_stop()) { - wait_event_interruptible(ud->eh_waitq, - usbip_event_happened(ud) || - kthread_should_stop()); - usbip_dbg_eh("wakeup\n"); + if (!(ud->event & USBIP_EH_BYE)) + usbip_dbg_eh("usbip_eh stopping but not removed\n"); - if (event_handler(ud) < 0) - break; - } + if (pending) + usbip_dbg_eh("usbip_eh waiting completion %lx\n", pending); - return 0; + wait_event_interruptible(ud->eh_waitq, !(ud->event & ~USBIP_EH_BYE)); + usbip_dbg_eh("usbip_eh has stopped\n"); } +EXPORT_SYMBOL_GPL(usbip_stop_eh); -int usbip_start_eh(struct usbip_device *ud) -{ - init_waitqueue_head(&ud->eh_waitq); - ud->event = 0; +#define WORK_QUEUE_NAME "usbip_event" - ud->eh = kthread_run(event_handler_loop, ud, "usbip_eh"); - if (IS_ERR(ud->eh)) { - pr_warn("Unable to start control thread\n"); - return PTR_ERR(ud->eh); - } +static struct workqueue_struct *usbip_queue; +static DECLARE_WORK(usbip_work, event_handler); +int usbip_init_eh(void) +{ + usbip_queue = create_singlethread_workqueue(WORK_QUEUE_NAME); + if (usbip_queue == NULL) { + pr_err("failed to create usbip_event\n"); + return -ENOMEM; + } return 0; } -EXPORT_SYMBOL_GPL(usbip_start_eh); -void usbip_stop_eh(struct usbip_device *ud) +void usbip_finish_eh(void) { - if (ud->eh == current) - return; /* do not wait for myself */ - - kthread_stop(ud->eh); - usbip_dbg_eh("usbip_eh has finished\n"); + flush_workqueue(usbip_queue); + destroy_workqueue(usbip_queue); + usbip_queue = NULL; } -EXPORT_SYMBOL_GPL(usbip_stop_eh); void usbip_event_add(struct usbip_device *ud, unsigned long event) { + struct usbip_event *ue; unsigned long flags; - spin_lock_irqsave(&ud->lock, flags); - ud->event |= event; - wake_up(&ud->eh_waitq); - spin_unlock_irqrestore(&ud->lock, flags); + if (ud->event & USBIP_EH_BYE) + return; + + set_event(ud, event); + + spin_lock_irqsave(&event_lock, flags); + + list_for_each_entry_reverse(ue, &event_list, node) { + if (ue->ud == ud) + goto out; + } + + ue = kmalloc(sizeof(struct usbip_event), GFP_ATOMIC); + if (ue == NULL) + goto out; + + ue->ud = ud; + + list_add_tail(&ue->node, &event_list); + queue_work(usbip_queue, &usbip_work); + +out: + spin_unlock_irqrestore(&event_lock, flags); } EXPORT_SYMBOL_GPL(usbip_event_add); @@ -127,3 +202,12 @@ int usbip_event_happened(struct usbip_device *ud) return happened; } EXPORT_SYMBOL_GPL(usbip_event_happened); + +int usbip_in_eh(struct task_struct *task) +{ + if (task == worker_context) + return 1; + + return 0; +} +EXPORT_SYMBOL_GPL(usbip_in_eh); diff --git a/drivers/usb/usbip/vudc.h b/drivers/usb/usbip/vudc.h new file mode 100644 index 000000000000..25e01b09c4c3 --- /dev/null +++ b/drivers/usb/usbip/vudc.h @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __USBIP_VUDC_H +#define __USBIP_VUDC_H + +#include <linux/platform_device.h> +#include <linux/usb.h> +#include <linux/usb/gadget.h> +#include <linux/usb/ch9.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/time.h> +#include <linux/sysfs.h> + +#include "usbip_common.h" + +#define GADGET_NAME "usbip-vudc" + +struct vep { + struct usb_ep ep; + unsigned type:2; /* type, as USB_ENDPOINT_XFER_* */ + char name[8]; /* space for ep name */ + + const struct usb_endpoint_descriptor *desc; + struct usb_gadget *gadget; + struct list_head req_queue; /* Request queue */ + unsigned halted:1; + unsigned wedged:1; + unsigned already_seen:1; + unsigned setup_stage:1; +}; + +struct vrequest { + struct usb_request req; + struct vudc *udc; + struct list_head req_entry; /* Request queue */ +}; + +struct urbp { + struct urb *urb; + struct vep *ep; + struct list_head urb_entry; /* urb queue */ + unsigned long seqnum; + unsigned type:2; /* for tx, since ep type can change after */ + unsigned new:1; +}; + +struct v_unlink { + unsigned long seqnum; + __u32 status; +}; + +enum tx_type { + TX_UNLINK, + TX_SUBMIT, +}; + +struct tx_item { + struct list_head tx_entry; + enum tx_type type; + union { + struct urbp *s; + struct v_unlink *u; + }; +}; + +enum tr_state { + VUDC_TR_RUNNING, + VUDC_TR_IDLE, + VUDC_TR_STOPPED, +}; + +struct transfer_timer { + struct timer_list timer; + enum tr_state state; + unsigned long frame_start; + int frame_limit; +}; + +struct vudc { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + struct platform_device *pdev; + + struct usb_device_descriptor dev_desc; + + struct usbip_device ud; + struct transfer_timer tr_timer; + struct timeval start_time; + + struct list_head urb_queue; + + spinlock_t lock_tx; + struct list_head tx_queue; + wait_queue_head_t tx_waitq; + + spinlock_t lock; + struct vep *ep; + int address; + u16 devstatus; + + unsigned pullup:1; + unsigned connected:1; + unsigned desc_cached:1; +}; + +struct vudc_device { + struct platform_device *pdev; + struct list_head dev_entry; +}; + +extern const struct attribute_group vudc_attr_group; + +/* visible everywhere */ + +static inline struct vep *to_vep(struct usb_ep *_ep) +{ + return container_of(_ep, struct vep, ep); +} + +static inline struct vrequest *to_vrequest( + struct usb_request *_req) +{ + return container_of(_req, struct vrequest, req); +} + +static inline struct vudc *usb_gadget_to_vudc( + struct usb_gadget *_gadget) +{ + return container_of(_gadget, struct vudc, gadget); +} + +static inline struct vudc *ep_to_vudc(struct vep *ep) +{ + return container_of(ep->gadget, struct vudc, gadget); +} + +/* vudc_sysfs.c */ + +int get_gadget_descs(struct vudc *udc); + +/* vudc_tx.c */ + +int v_tx_loop(void *data); +void v_enqueue_ret_unlink(struct vudc *udc, __u32 seqnum, __u32 status); +void v_enqueue_ret_submit(struct vudc *udc, struct urbp *urb_p); + +/* vudc_rx.c */ + +int v_rx_loop(void *data); + +/* vudc_transfer.c */ + +void v_init_timer(struct vudc *udc); +void v_start_timer(struct vudc *udc); +void v_kick_timer(struct vudc *udc, unsigned long time); +void v_stop_timer(struct vudc *udc); + +/* vudc_dev.c */ + +struct urbp *alloc_urbp(void); +void free_urbp_and_urb(struct urbp *urb_p); + +struct vep *vudc_find_endpoint(struct vudc *udc, u8 address); + +struct vudc_device *alloc_vudc_device(int devid); +void put_vudc_device(struct vudc_device *udc_dev); + +int vudc_probe(struct platform_device *pdev); +int vudc_remove(struct platform_device *pdev); + +#endif /* __USBIP_VUDC_H */ diff --git a/drivers/usb/usbip/vudc_dev.c b/drivers/usb/usbip/vudc_dev.c new file mode 100644 index 000000000000..8994a13819ab --- /dev/null +++ b/drivers/usb/usbip/vudc_dev.c @@ -0,0 +1,661 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/usb.h> +#include <linux/usb/gadget.h> +#include <linux/usb/hcd.h> +#include <linux/kthread.h> +#include <linux/file.h> +#include <linux/byteorder/generic.h> + +#include "usbip_common.h" +#include "vudc.h" + +#define VIRTUAL_ENDPOINTS (1 /* ep0 */ + 15 /* in eps */ + 15 /* out eps */) + +/* urb-related structures alloc / free */ + + +static void free_urb(struct urb *urb) +{ + if (!urb) + return; + + kfree(urb->setup_packet); + urb->setup_packet = NULL; + + kfree(urb->transfer_buffer); + urb->transfer_buffer = NULL; + + usb_free_urb(urb); +} + +struct urbp *alloc_urbp(void) +{ + struct urbp *urb_p; + + urb_p = kzalloc(sizeof(*urb_p), GFP_KERNEL); + if (!urb_p) + return urb_p; + + urb_p->urb = NULL; + urb_p->ep = NULL; + INIT_LIST_HEAD(&urb_p->urb_entry); + return urb_p; +} + +static void free_urbp(struct urbp *urb_p) +{ + kfree(urb_p); +} + +void free_urbp_and_urb(struct urbp *urb_p) +{ + if (!urb_p) + return; + free_urb(urb_p->urb); + free_urbp(urb_p); +} + + +/* utilities ; almost verbatim from dummy_hcd.c */ + +/* called with spinlock held */ +static void nuke(struct vudc *udc, struct vep *ep) +{ + struct vrequest *req; + + while (!list_empty(&ep->req_queue)) { + req = list_first_entry(&ep->req_queue, struct vrequest, + req_entry); + list_del_init(&req->req_entry); + req->req.status = -ESHUTDOWN; + + spin_unlock(&udc->lock); + usb_gadget_giveback_request(&ep->ep, &req->req); + spin_lock(&udc->lock); + } +} + +/* caller must hold lock */ +static void stop_activity(struct vudc *udc) +{ + int i; + struct urbp *urb_p, *tmp; + + udc->address = 0; + + for (i = 0; i < VIRTUAL_ENDPOINTS; i++) + nuke(udc, &udc->ep[i]); + + list_for_each_entry_safe(urb_p, tmp, &udc->urb_queue, urb_entry) { + list_del(&urb_p->urb_entry); + free_urbp_and_urb(urb_p); + } +} + +struct vep *vudc_find_endpoint(struct vudc *udc, u8 address) +{ + int i; + + if ((address & ~USB_DIR_IN) == 0) + return &udc->ep[0]; + + for (i = 1; i < VIRTUAL_ENDPOINTS; i++) { + struct vep *ep = &udc->ep[i]; + + if (!ep->desc) + continue; + if (ep->desc->bEndpointAddress == address) + return ep; + } + return NULL; +} + +/* gadget ops */ + +/* FIXME - this will probably misbehave when suspend/resume is added */ +static int vgadget_get_frame(struct usb_gadget *_gadget) +{ + struct timeval now; + struct vudc *udc = usb_gadget_to_vudc(_gadget); + + do_gettimeofday(&now); + return ((now.tv_sec - udc->start_time.tv_sec) * 1000 + + (now.tv_usec - udc->start_time.tv_usec) / 1000) + % 0x7FF; +} + +static int vgadget_set_selfpowered(struct usb_gadget *_gadget, int value) +{ + struct vudc *udc = usb_gadget_to_vudc(_gadget); + + if (value) + udc->devstatus |= (1 << USB_DEVICE_SELF_POWERED); + else + udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); + return 0; +} + +static int vgadget_pullup(struct usb_gadget *_gadget, int value) +{ + struct vudc *udc = usb_gadget_to_vudc(_gadget); + unsigned long flags; + int ret; + + + spin_lock_irqsave(&udc->lock, flags); + value = !!value; + if (value == udc->pullup) + goto unlock; + + udc->pullup = value; + if (value) { + udc->gadget.speed = min_t(u8, USB_SPEED_HIGH, + udc->driver->max_speed); + udc->ep[0].ep.maxpacket = 64; + /* + * This is the first place where we can ask our + * gadget driver for descriptors. + */ + ret = get_gadget_descs(udc); + if (ret) { + dev_err(&udc->gadget.dev, "Unable go get desc: %d", ret); + goto unlock; + } + + spin_unlock_irqrestore(&udc->lock, flags); + usbip_start_eh(&udc->ud); + } else { + /* Invalidate descriptors */ + udc->desc_cached = 0; + + spin_unlock_irqrestore(&udc->lock, flags); + usbip_event_add(&udc->ud, VUDC_EVENT_REMOVED); + usbip_stop_eh(&udc->ud); /* Wait for eh completion */ + } + + return 0; + +unlock: + spin_unlock_irqrestore(&udc->lock, flags); + return 0; +} + +static int vgadget_udc_start(struct usb_gadget *g, + struct usb_gadget_driver *driver) +{ + struct vudc *udc = usb_gadget_to_vudc(g); + unsigned long flags; + + spin_lock_irqsave(&udc->lock, flags); + udc->driver = driver; + udc->pullup = udc->connected = udc->desc_cached = 0; + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +static int vgadget_udc_stop(struct usb_gadget *g) +{ + struct vudc *udc = usb_gadget_to_vudc(g); + unsigned long flags; + + spin_lock_irqsave(&udc->lock, flags); + udc->driver = NULL; + spin_unlock_irqrestore(&udc->lock, flags); + return 0; +} + +static const struct usb_gadget_ops vgadget_ops = { + .get_frame = vgadget_get_frame, + .set_selfpowered = vgadget_set_selfpowered, + .pullup = vgadget_pullup, + .udc_start = vgadget_udc_start, + .udc_stop = vgadget_udc_stop, +}; + + +/* endpoint ops */ + +static int vep_enable(struct usb_ep *_ep, + const struct usb_endpoint_descriptor *desc) +{ + struct vep *ep; + struct vudc *udc; + unsigned maxp; + unsigned long flags; + + ep = to_vep(_ep); + udc = ep_to_vudc(ep); + + if (!_ep || !desc || ep->desc || _ep->caps.type_control + || desc->bDescriptorType != USB_DT_ENDPOINT) + return -EINVAL; + + if (!udc->driver) + return -ESHUTDOWN; + + spin_lock_irqsave(&udc->lock, flags); + + maxp = usb_endpoint_maxp(desc) & 0x7ff; + _ep->maxpacket = maxp; + ep->desc = desc; + ep->type = usb_endpoint_type(desc); + ep->halted = ep->wedged = 0; + + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +static int vep_disable(struct usb_ep *_ep) +{ + struct vep *ep; + struct vudc *udc; + unsigned long flags; + + ep = to_vep(_ep); + udc = ep_to_vudc(ep); + if (!_ep || !ep->desc || _ep->caps.type_control) + return -EINVAL; + + spin_lock_irqsave(&udc->lock, flags); + ep->desc = NULL; + nuke(udc, ep); + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +static struct usb_request *vep_alloc_request(struct usb_ep *_ep, + gfp_t mem_flags) +{ + struct vep *ep; + struct vrequest *req; + + if (!_ep) + return NULL; + ep = to_vep(_ep); + + req = kzalloc(sizeof(*req), mem_flags); + if (!req) + return NULL; + + INIT_LIST_HEAD(&req->req_entry); + + return &req->req; +} + +static void vep_free_request(struct usb_ep *_ep, struct usb_request *_req) +{ + struct vrequest *req; + + if (WARN_ON(!_ep || !_req)) + return; + + req = to_vrequest(_req); + kfree(req); +} + +static int vep_queue(struct usb_ep *_ep, struct usb_request *_req, + gfp_t mem_flags) +{ + struct vep *ep; + struct vrequest *req; + struct vudc *udc; + unsigned long flags; + + if (!_ep || !_req) + return -EINVAL; + + ep = to_vep(_ep); + req = to_vrequest(_req); + udc = ep_to_vudc(ep); + + spin_lock_irqsave(&udc->lock, flags); + _req->actual = 0; + _req->status = -EINPROGRESS; + + list_add_tail(&req->req_entry, &ep->req_queue); + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +static int vep_dequeue(struct usb_ep *_ep, struct usb_request *_req) +{ + struct vep *ep; + struct vrequest *req; + struct vudc *udc; + struct vrequest *lst; + unsigned long flags; + int ret = -EINVAL; + + if (!_ep || !_req) + return ret; + + ep = to_vep(_ep); + req = to_vrequest(_req); + udc = req->udc; + + if (!udc->driver) + return -ESHUTDOWN; + + spin_lock_irqsave(&udc->lock, flags); + list_for_each_entry(lst, &ep->req_queue, req_entry) { + if (&lst->req == _req) { + list_del_init(&lst->req_entry); + _req->status = -ECONNRESET; + ret = 0; + break; + } + } + spin_unlock_irqrestore(&udc->lock, flags); + + if (ret == 0) + usb_gadget_giveback_request(_ep, _req); + + return ret; +} + +static int +vep_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged) +{ + struct vep *ep; + struct vudc *udc; + unsigned long flags; + int ret = 0; + + ep = to_vep(_ep); + if (!_ep) + return -EINVAL; + + udc = ep_to_vudc(ep); + if (!udc->driver) + return -ESHUTDOWN; + + spin_lock_irqsave(&udc->lock, flags); + if (!value) + ep->halted = ep->wedged = 0; + else if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) && + !list_empty(&ep->req_queue)) + ret = -EAGAIN; + else { + ep->halted = 1; + if (wedged) + ep->wedged = 1; + } + + spin_unlock_irqrestore(&udc->lock, flags); + return ret; +} + +static int +vep_set_halt(struct usb_ep *_ep, int value) +{ + return vep_set_halt_and_wedge(_ep, value, 0); +} + +static int vep_set_wedge(struct usb_ep *_ep) +{ + return vep_set_halt_and_wedge(_ep, 1, 1); +} + +static const struct usb_ep_ops vep_ops = { + .enable = vep_enable, + .disable = vep_disable, + + .alloc_request = vep_alloc_request, + .free_request = vep_free_request, + + .queue = vep_queue, + .dequeue = vep_dequeue, + + .set_halt = vep_set_halt, + .set_wedge = vep_set_wedge, +}; + + +/* shutdown / reset / error handlers */ + +static void vudc_shutdown(struct usbip_device *ud) +{ + struct vudc *udc = container_of(ud, struct vudc, ud); + int call_disconnect = 0; + unsigned long flags; + + dev_dbg(&udc->pdev->dev, "device shutdown"); + if (ud->tcp_socket) + kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); + + if (ud->tcp_tx) { + kthread_stop_put(ud->tcp_rx); + ud->tcp_rx = NULL; + } + if (ud->tcp_tx) { + kthread_stop_put(ud->tcp_tx); + ud->tcp_tx = NULL; + } + + if (ud->tcp_socket) { + sockfd_put(ud->tcp_socket); + ud->tcp_socket = NULL; + } + + spin_lock_irqsave(&udc->lock, flags); + stop_activity(udc); + if (udc->connected && udc->driver->disconnect) + call_disconnect = 1; + udc->connected = 0; + spin_unlock_irqrestore(&udc->lock, flags); + if (call_disconnect) + udc->driver->disconnect(&udc->gadget); +} + +static void vudc_device_reset(struct usbip_device *ud) +{ + struct vudc *udc = container_of(ud, struct vudc, ud); + unsigned long flags; + + dev_dbg(&udc->pdev->dev, "device reset"); + spin_lock_irqsave(&udc->lock, flags); + stop_activity(udc); + spin_unlock_irqrestore(&udc->lock, flags); + if (udc->driver) + usb_gadget_udc_reset(&udc->gadget, udc->driver); + spin_lock_irqsave(&ud->lock, flags); + ud->status = SDEV_ST_AVAILABLE; + spin_unlock_irqrestore(&ud->lock, flags); +} + +static void vudc_device_unusable(struct usbip_device *ud) +{ + unsigned long flags; + + spin_lock_irqsave(&ud->lock, flags); + ud->status = SDEV_ST_ERROR; + spin_unlock_irqrestore(&ud->lock, flags); +} + +/* device setup / cleanup */ + +struct vudc_device *alloc_vudc_device(int devid) +{ + struct vudc_device *udc_dev = NULL; + + udc_dev = kzalloc(sizeof(*udc_dev), GFP_KERNEL); + if (!udc_dev) + goto out; + + INIT_LIST_HEAD(&udc_dev->dev_entry); + + udc_dev->pdev = platform_device_alloc(GADGET_NAME, devid); + if (!udc_dev->pdev) { + kfree(udc_dev); + udc_dev = NULL; + } + +out: + return udc_dev; +} + +void put_vudc_device(struct vudc_device *udc_dev) +{ + platform_device_put(udc_dev->pdev); + kfree(udc_dev); +} + +static int init_vudc_hw(struct vudc *udc) +{ + int i; + struct usbip_device *ud = &udc->ud; + struct vep *ep; + + udc->ep = kcalloc(VIRTUAL_ENDPOINTS, sizeof(*udc->ep), GFP_KERNEL); + if (!udc->ep) + goto nomem_ep; + + INIT_LIST_HEAD(&udc->gadget.ep_list); + + /* create ep0 and 15 in, 15 out general purpose eps */ + for (i = 0; i < VIRTUAL_ENDPOINTS; ++i) { + int is_out = i % 2; + int num = (i + 1) / 2; + + ep = &udc->ep[i]; + + sprintf(ep->name, "ep%d%s", num, + i ? (is_out ? "out" : "in") : ""); + ep->ep.name = ep->name; + if (i == 0) { + ep->ep.caps.type_control = true; + ep->ep.caps.dir_out = true; + ep->ep.caps.dir_in = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_int = true; + ep->ep.caps.type_bulk = true; + } + + if (is_out) + ep->ep.caps.dir_out = true; + else + ep->ep.caps.dir_in = true; + + ep->ep.ops = &vep_ops; + list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); + ep->halted = ep->wedged = ep->already_seen = + ep->setup_stage = 0; + usb_ep_set_maxpacket_limit(&ep->ep, ~0); + ep->ep.max_streams = 16; + ep->gadget = &udc->gadget; + ep->desc = NULL; + INIT_LIST_HEAD(&ep->req_queue); + } + + spin_lock_init(&udc->lock); + spin_lock_init(&udc->lock_tx); + INIT_LIST_HEAD(&udc->urb_queue); + INIT_LIST_HEAD(&udc->tx_queue); + init_waitqueue_head(&udc->tx_waitq); + + spin_lock_init(&ud->lock); + ud->status = SDEV_ST_AVAILABLE; + ud->side = USBIP_VUDC; + + ud->eh_ops.shutdown = vudc_shutdown; + ud->eh_ops.reset = vudc_device_reset; + ud->eh_ops.unusable = vudc_device_unusable; + + udc->gadget.ep0 = &udc->ep[0].ep; + list_del_init(&udc->ep[0].ep.ep_list); + + v_init_timer(udc); + return 0; + +nomem_ep: + return -ENOMEM; +} + +static void cleanup_vudc_hw(struct vudc *udc) +{ + kfree(udc->ep); +} + +/* platform driver ops */ + +int vudc_probe(struct platform_device *pdev) +{ + struct vudc *udc; + int ret = -ENOMEM; + + udc = kzalloc(sizeof(*udc), GFP_KERNEL); + if (!udc) + goto out; + + udc->gadget.name = GADGET_NAME; + udc->gadget.ops = &vgadget_ops; + udc->gadget.max_speed = USB_SPEED_HIGH; + udc->gadget.dev.parent = &pdev->dev; + udc->pdev = pdev; + + ret = init_vudc_hw(udc); + if (ret) + goto err_init_vudc_hw; + + ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); + if (ret < 0) + goto err_add_udc; + + ret = sysfs_create_group(&pdev->dev.kobj, &vudc_attr_group); + if (ret) { + dev_err(&udc->pdev->dev, "create sysfs files\n"); + goto err_sysfs; + } + + platform_set_drvdata(pdev, udc); + + return ret; + +err_sysfs: + usb_del_gadget_udc(&udc->gadget); +err_add_udc: + cleanup_vudc_hw(udc); +err_init_vudc_hw: + kfree(udc); +out: + return ret; +} + +int vudc_remove(struct platform_device *pdev) +{ + struct vudc *udc = platform_get_drvdata(pdev); + + sysfs_remove_group(&pdev->dev.kobj, &vudc_attr_group); + usb_del_gadget_udc(&udc->gadget); + cleanup_vudc_hw(udc); + kfree(udc); + return 0; +} diff --git a/drivers/usb/usbip/vudc_main.c b/drivers/usb/usbip/vudc_main.c new file mode 100644 index 000000000000..9e655714e389 --- /dev/null +++ b/drivers/usb/usbip/vudc_main.c @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/device.h> +#include <linux/list.h> +#include <linux/module.h> + +#include "vudc.h" + +static unsigned int vudc_number = 1; + +module_param_named(num, vudc_number, uint, S_IRUGO); +MODULE_PARM_DESC(num, "number of emulated controllers"); + +static struct platform_driver vudc_driver = { + .probe = vudc_probe, + .remove = vudc_remove, + .driver = { + .name = GADGET_NAME, + }, +}; + +static struct list_head vudc_devices = LIST_HEAD_INIT(vudc_devices); + +static int __init init(void) +{ + int retval = -ENOMEM; + int i; + struct vudc_device *udc_dev = NULL, *udc_dev2 = NULL; + + if (usb_disabled()) + return -ENODEV; + + if (vudc_number < 1) { + pr_err("Number of emulated UDC must be no less than 1"); + return -EINVAL; + } + + retval = platform_driver_register(&vudc_driver); + if (retval < 0) + goto out; + + for (i = 0; i < vudc_number; i++) { + udc_dev = alloc_vudc_device(i); + if (!udc_dev) { + retval = -ENOMEM; + goto cleanup; + } + + retval = platform_device_add(udc_dev->pdev); + if (retval < 0) { + put_vudc_device(udc_dev); + goto cleanup; + } + + list_add_tail(&udc_dev->dev_entry, &vudc_devices); + if (!platform_get_drvdata(udc_dev->pdev)) { + /* + * The udc was added successfully but its probe + * function failed for some reason. + */ + retval = -EINVAL; + goto cleanup; + } + } + goto out; + +cleanup: + list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) { + list_del(&udc_dev->dev_entry); + platform_device_del(udc_dev->pdev); + put_vudc_device(udc_dev); + } + + platform_driver_unregister(&vudc_driver); +out: + return retval; +} +module_init(init); + +static void __exit cleanup(void) +{ + struct vudc_device *udc_dev = NULL, *udc_dev2 = NULL; + + list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) { + list_del(&udc_dev->dev_entry); + platform_device_unregister(udc_dev->pdev); + put_vudc_device(udc_dev); + } + platform_driver_unregister(&vudc_driver); +} +module_exit(cleanup); + +MODULE_DESCRIPTION("USB over IP Device Controller"); +MODULE_AUTHOR("Krzysztof Opasiak, Karol Kosik, Igor Kotrasinski"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/usbip/vudc_rx.c b/drivers/usb/usbip/vudc_rx.c new file mode 100644 index 000000000000..344bd9473475 --- /dev/null +++ b/drivers/usb/usbip/vudc_rx.c @@ -0,0 +1,234 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <net/sock.h> +#include <linux/list.h> +#include <linux/kthread.h> + +#include "usbip_common.h" +#include "vudc.h" + +static int alloc_urb_from_cmd(struct urb **urbp, + struct usbip_header *pdu, u8 type) +{ + struct urb *urb; + + if (type == USB_ENDPOINT_XFER_ISOC) + urb = usb_alloc_urb(pdu->u.cmd_submit.number_of_packets, + GFP_KERNEL); + else + urb = usb_alloc_urb(0, GFP_KERNEL); + + if (!urb) + goto err; + + usbip_pack_pdu(pdu, urb, USBIP_CMD_SUBMIT, 0); + + if (urb->transfer_buffer_length > 0) { + urb->transfer_buffer = kzalloc(urb->transfer_buffer_length, + GFP_KERNEL); + if (!urb->transfer_buffer) + goto free_urb; + } + + urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8, + GFP_KERNEL); + if (!urb->setup_packet) + goto free_buffer; + + /* + * FIXME - we only setup pipe enough for usbip functions + * to behave nicely + */ + urb->pipe |= pdu->base.direction == USBIP_DIR_IN ? + USB_DIR_IN : USB_DIR_OUT; + + *urbp = urb; + return 0; + +free_buffer: + kfree(urb->transfer_buffer); + urb->transfer_buffer = NULL; +free_urb: + usb_free_urb(urb); +err: + return -ENOMEM; +} + +static int v_recv_cmd_unlink(struct vudc *udc, + struct usbip_header *pdu) +{ + unsigned long flags; + struct urbp *urb_p; + + spin_lock_irqsave(&udc->lock, flags); + list_for_each_entry(urb_p, &udc->urb_queue, urb_entry) { + if (urb_p->seqnum != pdu->u.cmd_unlink.seqnum) + continue; + urb_p->urb->unlinked = -ECONNRESET; + urb_p->seqnum = pdu->base.seqnum; + v_kick_timer(udc, jiffies); + spin_unlock_irqrestore(&udc->lock, flags); + return 0; + } + /* Not found, completed / not queued */ + spin_lock(&udc->lock_tx); + v_enqueue_ret_unlink(udc, pdu->base.seqnum, 0); + wake_up(&udc->tx_waitq); + spin_unlock(&udc->lock_tx); + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +static int v_recv_cmd_submit(struct vudc *udc, + struct usbip_header *pdu) +{ + int ret = 0; + struct urbp *urb_p; + u8 address; + unsigned long flags; + + urb_p = alloc_urbp(); + if (!urb_p) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_MALLOC); + return -ENOMEM; + } + + /* base.ep is pipeendpoint(pipe) */ + address = pdu->base.ep; + if (pdu->base.direction == USBIP_DIR_IN) + address |= USB_DIR_IN; + + spin_lock_irq(&udc->lock); + urb_p->ep = vudc_find_endpoint(udc, address); + if (!urb_p->ep) { + /* we don't know the type, there may be isoc data! */ + dev_err(&udc->pdev->dev, "request to nonexistent endpoint"); + spin_unlock_irq(&udc->lock); + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_TCP); + ret = -EPIPE; + goto free_urbp; + } + urb_p->type = urb_p->ep->type; + spin_unlock_irq(&udc->lock); + + urb_p->new = 1; + urb_p->seqnum = pdu->base.seqnum; + + ret = alloc_urb_from_cmd(&urb_p->urb, pdu, urb_p->ep->type); + if (ret) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_MALLOC); + ret = -ENOMEM; + goto free_urbp; + } + + urb_p->urb->status = -EINPROGRESS; + + /* FIXME: more pipe setup to please usbip_common */ + urb_p->urb->pipe &= ~(11 << 30); + switch (urb_p->ep->type) { + case USB_ENDPOINT_XFER_BULK: + urb_p->urb->pipe |= (PIPE_BULK << 30); + break; + case USB_ENDPOINT_XFER_INT: + urb_p->urb->pipe |= (PIPE_INTERRUPT << 30); + break; + case USB_ENDPOINT_XFER_CONTROL: + urb_p->urb->pipe |= (PIPE_CONTROL << 30); + break; + case USB_ENDPOINT_XFER_ISOC: + urb_p->urb->pipe |= (PIPE_ISOCHRONOUS << 30); + break; + } + ret = usbip_recv_xbuff(&udc->ud, urb_p->urb); + if (ret < 0) + goto free_urbp; + + ret = usbip_recv_iso(&udc->ud, urb_p->urb); + if (ret < 0) + goto free_urbp; + + spin_lock_irqsave(&udc->lock, flags); + v_kick_timer(udc, jiffies); + list_add_tail(&urb_p->urb_entry, &udc->urb_queue); + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; + +free_urbp: + free_urbp_and_urb(urb_p); + return ret; +} + +static int v_rx_pdu(struct usbip_device *ud) +{ + int ret; + struct usbip_header pdu; + struct vudc *udc = container_of(ud, struct vudc, ud); + + memset(&pdu, 0, sizeof(pdu)); + ret = usbip_recv(ud->tcp_socket, &pdu, sizeof(pdu)); + if (ret != sizeof(pdu)) { + usbip_event_add(ud, VUDC_EVENT_ERROR_TCP); + if (ret >= 0) + return -EPIPE; + return ret; + } + usbip_header_correct_endian(&pdu, 0); + + spin_lock_irq(&ud->lock); + ret = (ud->status == SDEV_ST_USED); + spin_unlock_irq(&ud->lock); + if (!ret) { + usbip_event_add(ud, VUDC_EVENT_ERROR_TCP); + return -EBUSY; + } + + switch (pdu.base.command) { + case USBIP_CMD_UNLINK: + ret = v_recv_cmd_unlink(udc, &pdu); + break; + case USBIP_CMD_SUBMIT: + ret = v_recv_cmd_submit(udc, &pdu); + break; + default: + ret = -EPIPE; + pr_err("rx: unknown command"); + break; + } + return ret; +} + +int v_rx_loop(void *data) +{ + struct usbip_device *ud = data; + int ret = 0; + + while (!kthread_should_stop()) { + if (usbip_event_happened(ud)) + break; + ret = v_rx_pdu(ud); + if (ret < 0) { + pr_warn("v_rx exit with error %d", ret); + break; + } + } + return ret; +} diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c new file mode 100644 index 000000000000..99397fa1e3f0 --- /dev/null +++ b/drivers/usb/usbip/vudc_sysfs.c @@ -0,0 +1,229 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/device.h> +#include <linux/list.h> +#include <linux/usb/gadget.h> +#include <linux/usb/ch9.h> +#include <linux/sysfs.h> +#include <linux/kthread.h> +#include <linux/byteorder/generic.h> + +#include "usbip_common.h" +#include "vudc.h" + +#include <net/sock.h> + +/* called with udc->lock held */ +int get_gadget_descs(struct vudc *udc) +{ + struct vrequest *usb_req; + struct vep *ep0 = to_vep(udc->gadget.ep0); + struct usb_device_descriptor *ddesc = &udc->dev_desc; + struct usb_ctrlrequest req; + int ret; + + if (!udc || !udc->driver || !udc->pullup) + return -EINVAL; + + req.bRequestType = USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE; + req.bRequest = USB_REQ_GET_DESCRIPTOR; + req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); + req.wIndex = cpu_to_le16(0); + req.wLength = cpu_to_le16(sizeof(*ddesc)); + + spin_unlock(&udc->lock); + ret = udc->driver->setup(&(udc->gadget), &req); + spin_lock(&udc->lock); + if (ret < 0) + goto out; + + /* assuming request queue is empty; request is now on top */ + usb_req = list_last_entry(&ep0->req_queue, struct vrequest, req_entry); + list_del(&usb_req->req_entry); + + if (usb_req->req.length > sizeof(*ddesc)) { + ret = -EOVERFLOW; + goto giveback_req; + } + + memcpy(ddesc, usb_req->req.buf, sizeof(*ddesc)); + udc->desc_cached = 1; + ret = 0; +giveback_req: + usb_req->req.status = 0; + usb_req->req.actual = usb_req->req.length; + usb_gadget_giveback_request(&(ep0->ep), &(usb_req->req)); +out: + return ret; +} + +/* + * Exposes device descriptor from the gadget driver. + */ +static ssize_t dev_desc_read(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *out, + loff_t off, size_t count) +{ + struct device *dev = kobj_to_dev(kobj); + struct vudc *udc = (struct vudc *)dev_get_drvdata(dev); + char *desc_ptr = (char *) &udc->dev_desc; + unsigned long flags; + int ret; + + spin_lock_irqsave(&udc->lock, flags); + if (!udc->desc_cached) { + ret = -ENODEV; + goto unlock; + } + + memcpy(out, desc_ptr + off, count); + ret = count; +unlock: + spin_unlock_irqrestore(&udc->lock, flags); + return ret; +} +static BIN_ATTR_RO(dev_desc, sizeof(struct usb_device_descriptor)); + +static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, + const char *in, size_t count) +{ + struct vudc *udc = (struct vudc *) dev_get_drvdata(dev); + int rv; + int sockfd = 0; + int err; + struct socket *socket; + unsigned long flags; + int ret; + + rv = kstrtoint(in, 0, &sockfd); + if (rv != 0) + return -EINVAL; + + spin_lock_irqsave(&udc->lock, flags); + /* Don't export what we don't have */ + if (!udc || !udc->driver || !udc->pullup) { + dev_err(dev, "no device or gadget not bound"); + ret = -ENODEV; + goto unlock; + } + + if (sockfd != -1) { + if (udc->connected) { + dev_err(dev, "Device already connected"); + ret = -EBUSY; + goto unlock; + } + + spin_lock_irq(&udc->ud.lock); + + if (udc->ud.status != SDEV_ST_AVAILABLE) { + ret = -EINVAL; + goto unlock_ud; + } + + socket = sockfd_lookup(sockfd, &err); + if (!socket) { + dev_err(dev, "failed to lookup sock"); + ret = -EINVAL; + goto unlock_ud; + } + + udc->ud.tcp_socket = socket; + + spin_unlock_irq(&udc->ud.lock); + spin_unlock_irqrestore(&udc->lock, flags); + + udc->ud.tcp_rx = kthread_get_run(&v_rx_loop, + &udc->ud, "vudc_rx"); + udc->ud.tcp_tx = kthread_get_run(&v_tx_loop, + &udc->ud, "vudc_tx"); + + spin_lock_irqsave(&udc->lock, flags); + spin_lock_irq(&udc->ud.lock); + udc->ud.status = SDEV_ST_USED; + spin_unlock_irq(&udc->ud.lock); + + do_gettimeofday(&udc->start_time); + v_start_timer(udc); + udc->connected = 1; + } else { + if (!udc->connected) { + dev_err(dev, "Device not connected"); + ret = -EINVAL; + goto unlock; + } + + spin_lock_irq(&udc->ud.lock); + if (udc->ud.status != SDEV_ST_USED) { + ret = -EINVAL; + goto unlock_ud; + } + spin_unlock_irq(&udc->ud.lock); + + usbip_event_add(&udc->ud, VUDC_EVENT_DOWN); + } + + spin_unlock_irqrestore(&udc->lock, flags); + + return count; + +unlock_ud: + spin_unlock_irq(&udc->ud.lock); +unlock: + spin_unlock_irqrestore(&udc->lock, flags); + + return ret; +} +static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd); + +static ssize_t usbip_status_show(struct device *dev, + struct device_attribute *attr, char *out) +{ + struct vudc *udc = (struct vudc *) dev_get_drvdata(dev); + int status; + + if (!udc) { + dev_err(dev, "no device"); + return -ENODEV; + } + spin_lock_irq(&udc->ud.lock); + status = udc->ud.status; + spin_unlock_irq(&udc->ud.lock); + + return snprintf(out, PAGE_SIZE, "%d\n", status); +} +static DEVICE_ATTR_RO(usbip_status); + +static struct attribute *dev_attrs[] = { + &dev_attr_usbip_sockfd.attr, + &dev_attr_usbip_status.attr, + NULL, +}; + +static struct bin_attribute *dev_bin_attrs[] = { + &bin_attr_dev_desc, + NULL, +}; + +const struct attribute_group vudc_attr_group = { + .attrs = dev_attrs, + .bin_attrs = dev_bin_attrs, +}; diff --git a/drivers/usb/usbip/vudc_transfer.c b/drivers/usb/usbip/vudc_transfer.c new file mode 100644 index 000000000000..aba6bd478045 --- /dev/null +++ b/drivers/usb/usbip/vudc_transfer.c @@ -0,0 +1,506 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * + * Based on dummy_hcd.c, which is: + * Copyright (C) 2003 David Brownell + * Copyright (C) 2003-2005 Alan Stern + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/usb.h> +#include <linux/timer.h> +#include <linux/usb/ch9.h> + +#include "vudc.h" + +#define DEV_REQUEST (USB_TYPE_STANDARD | USB_RECIP_DEVICE) +#define DEV_INREQUEST (DEV_REQUEST | USB_DIR_IN) +#define INTF_REQUEST (USB_TYPE_STANDARD | USB_RECIP_INTERFACE) +#define INTF_INREQUEST (INTF_REQUEST | USB_DIR_IN) +#define EP_REQUEST (USB_TYPE_STANDARD | USB_RECIP_ENDPOINT) +#define EP_INREQUEST (EP_REQUEST | USB_DIR_IN) + +static int get_frame_limit(enum usb_device_speed speed) +{ + switch (speed) { + case USB_SPEED_LOW: + return 8 /*bytes*/ * 12 /*packets*/; + case USB_SPEED_FULL: + return 64 /*bytes*/ * 19 /*packets*/; + case USB_SPEED_HIGH: + return 512 /*bytes*/ * 13 /*packets*/ * 8 /*uframes*/; + case USB_SPEED_SUPER: + /* Bus speed is 500000 bytes/ms, so use a little less */ + return 490000; + default: + /* error */ + return -1; + } + +} + +/* + * handle_control_request() - handles all control transfers + * @udc: pointer to vudc + * @urb: the urb request to handle + * @setup: pointer to the setup data for a USB device control + * request + * @status: pointer to request handling status + * + * Return 0 - if the request was handled + * 1 - if the request wasn't handles + * error code on error + * + * Adapted from drivers/usb/gadget/udc/dummy_hcd.c + */ +static int handle_control_request(struct vudc *udc, struct urb *urb, + struct usb_ctrlrequest *setup, + int *status) +{ + struct vep *ep2; + int ret_val = 1; + unsigned w_index; + unsigned w_value; + + w_index = le16_to_cpu(setup->wIndex); + w_value = le16_to_cpu(setup->wValue); + switch (setup->bRequest) { + case USB_REQ_SET_ADDRESS: + if (setup->bRequestType != DEV_REQUEST) + break; + udc->address = w_value; + ret_val = 0; + *status = 0; + break; + case USB_REQ_SET_FEATURE: + if (setup->bRequestType == DEV_REQUEST) { + ret_val = 0; + switch (w_value) { + case USB_DEVICE_REMOTE_WAKEUP: + break; + case USB_DEVICE_B_HNP_ENABLE: + udc->gadget.b_hnp_enable = 1; + break; + case USB_DEVICE_A_HNP_SUPPORT: + udc->gadget.a_hnp_support = 1; + break; + case USB_DEVICE_A_ALT_HNP_SUPPORT: + udc->gadget.a_alt_hnp_support = 1; + break; + default: + ret_val = -EOPNOTSUPP; + } + if (ret_val == 0) { + udc->devstatus |= (1 << w_value); + *status = 0; + } + } else if (setup->bRequestType == EP_REQUEST) { + /* endpoint halt */ + ep2 = vudc_find_endpoint(udc, w_index); + if (!ep2 || ep2->ep.name == udc->ep[0].ep.name) { + ret_val = -EOPNOTSUPP; + break; + } + ep2->halted = 1; + ret_val = 0; + *status = 0; + } + break; + case USB_REQ_CLEAR_FEATURE: + if (setup->bRequestType == DEV_REQUEST) { + ret_val = 0; + switch (w_value) { + case USB_DEVICE_REMOTE_WAKEUP: + w_value = USB_DEVICE_REMOTE_WAKEUP; + break; + + case USB_DEVICE_U1_ENABLE: + case USB_DEVICE_U2_ENABLE: + case USB_DEVICE_LTM_ENABLE: + ret_val = -EOPNOTSUPP; + break; + default: + ret_val = -EOPNOTSUPP; + break; + } + if (ret_val == 0) { + udc->devstatus &= ~(1 << w_value); + *status = 0; + } + } else if (setup->bRequestType == EP_REQUEST) { + /* endpoint halt */ + ep2 = vudc_find_endpoint(udc, w_index); + if (!ep2) { + ret_val = -EOPNOTSUPP; + break; + } + if (!ep2->wedged) + ep2->halted = 0; + ret_val = 0; + *status = 0; + } + break; + case USB_REQ_GET_STATUS: + if (setup->bRequestType == DEV_INREQUEST + || setup->bRequestType == INTF_INREQUEST + || setup->bRequestType == EP_INREQUEST) { + char *buf; + /* + * device: remote wakeup, selfpowered + * interface: nothing + * endpoint: halt + */ + buf = (char *)urb->transfer_buffer; + if (urb->transfer_buffer_length > 0) { + if (setup->bRequestType == EP_INREQUEST) { + ep2 = vudc_find_endpoint(udc, w_index); + if (!ep2) { + ret_val = -EOPNOTSUPP; + break; + } + buf[0] = ep2->halted; + } else if (setup->bRequestType == + DEV_INREQUEST) { + buf[0] = (u8)udc->devstatus; + } else + buf[0] = 0; + } + if (urb->transfer_buffer_length > 1) + buf[1] = 0; + urb->actual_length = min_t(u32, 2, + urb->transfer_buffer_length); + ret_val = 0; + *status = 0; + } + break; + } + return ret_val; +} + +/* Adapted from dummy_hcd.c ; caller must hold lock */ +static int transfer(struct vudc *udc, + struct urb *urb, struct vep *ep, int limit) +{ + struct vrequest *req; + int sent = 0; +top: + /* if there's no request queued, the device is NAKing; return */ + list_for_each_entry(req, &ep->req_queue, req_entry) { + unsigned host_len, dev_len, len; + void *ubuf_pos, *rbuf_pos; + int is_short, to_host; + int rescan = 0; + + /* + * 1..N packets of ep->ep.maxpacket each ... the last one + * may be short (including zero length). + * + * writer can send a zlp explicitly (length 0) or implicitly + * (length mod maxpacket zero, and 'zero' flag); they always + * terminate reads. + */ + host_len = urb->transfer_buffer_length - urb->actual_length; + dev_len = req->req.length - req->req.actual; + len = min(host_len, dev_len); + + to_host = usb_pipein(urb->pipe); + if (unlikely(len == 0)) + is_short = 1; + else { + /* send multiple of maxpacket first, then remainder */ + if (len >= ep->ep.maxpacket) { + is_short = 0; + if (len % ep->ep.maxpacket > 0) + rescan = 1; + len -= len % ep->ep.maxpacket; + } else { + is_short = 1; + } + + ubuf_pos = urb->transfer_buffer + urb->actual_length; + rbuf_pos = req->req.buf + req->req.actual; + + if (urb->pipe & USB_DIR_IN) + memcpy(ubuf_pos, rbuf_pos, len); + else + memcpy(rbuf_pos, ubuf_pos, len); + + urb->actual_length += len; + req->req.actual += len; + sent += len; + } + + /* + * short packets terminate, maybe with overflow/underflow. + * it's only really an error to write too much. + * + * partially filling a buffer optionally blocks queue advances + * (so completion handlers can clean up the queue) but we don't + * need to emulate such data-in-flight. + */ + if (is_short) { + if (host_len == dev_len) { + req->req.status = 0; + urb->status = 0; + } else if (to_host) { + req->req.status = 0; + if (dev_len > host_len) + urb->status = -EOVERFLOW; + else + urb->status = 0; + } else { + urb->status = 0; + if (host_len > dev_len) + req->req.status = -EOVERFLOW; + else + req->req.status = 0; + } + + /* many requests terminate without a short packet */ + /* also check if we need to send zlp */ + } else { + if (req->req.length == req->req.actual) { + if (req->req.zero && to_host) + rescan = 1; + else + req->req.status = 0; + } + if (urb->transfer_buffer_length == urb->actual_length) { + if (urb->transfer_flags & URB_ZERO_PACKET && + !to_host) + rescan = 1; + else + urb->status = 0; + } + } + + /* device side completion --> continuable */ + if (req->req.status != -EINPROGRESS) { + + list_del_init(&req->req_entry); + spin_unlock(&udc->lock); + usb_gadget_giveback_request(&ep->ep, &req->req); + spin_lock(&udc->lock); + + /* requests might have been unlinked... */ + rescan = 1; + } + + /* host side completion --> terminate */ + if (urb->status != -EINPROGRESS) + break; + + /* rescan to continue with any other queued i/o */ + if (rescan) + goto top; + } + return sent; +} + +static void v_timer(unsigned long _vudc) +{ + struct vudc *udc = (struct vudc *) _vudc; + struct transfer_timer *timer = &udc->tr_timer; + struct urbp *urb_p, *tmp; + unsigned long flags; + struct usb_ep *_ep; + struct vep *ep; + int ret = 0; + int total, limit; + + spin_lock_irqsave(&udc->lock, flags); + + total = get_frame_limit(udc->gadget.speed); + if (total < 0) { /* unknown speed, or not set yet */ + timer->state = VUDC_TR_IDLE; + spin_unlock_irqrestore(&udc->lock, flags); + return; + } + /* is it next frame now? */ + if (time_after(jiffies, timer->frame_start + msecs_to_jiffies(1))) { + timer->frame_limit = total; + /* FIXME: how to make it accurate? */ + timer->frame_start = jiffies; + } else { + total = timer->frame_limit; + } + + list_for_each_entry(_ep, &udc->gadget.ep_list, ep_list) { + ep = to_vep(_ep); + ep->already_seen = 0; + } + +restart: + list_for_each_entry_safe(urb_p, tmp, &udc->urb_queue, urb_entry) { + struct urb *urb = urb_p->urb; + + ep = urb_p->ep; + if (urb->unlinked) + goto return_urb; + if (timer->state != VUDC_TR_RUNNING) + continue; + + if (!ep) { + urb->status = -EPROTO; + goto return_urb; + } + + /* Used up bandwidth? */ + if (total <= 0 && ep->type == USB_ENDPOINT_XFER_BULK) + continue; + + if (ep->already_seen) + continue; + ep->already_seen = 1; + if (ep == &udc->ep[0] && urb_p->new) { + ep->setup_stage = 1; + urb_p->new = 0; + } + if (ep->halted && !ep->setup_stage) { + urb->status = -EPIPE; + goto return_urb; + } + + if (ep == &udc->ep[0] && ep->setup_stage) { + /* TODO - flush any stale requests */ + ep->setup_stage = 0; + ep->halted = 0; + + ret = handle_control_request(udc, urb, + (struct usb_ctrlrequest *) urb->setup_packet, + (&urb->status)); + if (ret > 0) { + spin_unlock(&udc->lock); + ret = udc->driver->setup(&udc->gadget, + (struct usb_ctrlrequest *) + urb->setup_packet); + spin_lock(&udc->lock); + } + if (ret >= 0) { + /* no delays (max 64kb data stage) */ + limit = 64 * 1024; + goto treat_control_like_bulk; + } else { + urb->status = -EPIPE; + urb->actual_length = 0; + goto return_urb; + } + } + + limit = total; + switch (ep->type) { + case USB_ENDPOINT_XFER_ISOC: + /* TODO: support */ + urb->status = -EXDEV; + break; + + case USB_ENDPOINT_XFER_INT: + /* + * TODO: figure out bandwidth guarantees + * for now, give unlimited bandwidth + */ + limit += urb->transfer_buffer_length; + /* fallthrough */ + default: +treat_control_like_bulk: + total -= transfer(udc, urb, ep, limit); + } + if (urb->status == -EINPROGRESS) + continue; + +return_urb: + if (ep) + ep->already_seen = ep->setup_stage = 0; + + spin_lock(&udc->lock_tx); + list_del(&urb_p->urb_entry); + if (!urb->unlinked) { + v_enqueue_ret_submit(udc, urb_p); + } else { + v_enqueue_ret_unlink(udc, urb_p->seqnum, + urb->unlinked); + free_urbp_and_urb(urb_p); + } + wake_up(&udc->tx_waitq); + spin_unlock(&udc->lock_tx); + + goto restart; + } + + /* TODO - also wait on empty usb_request queues? */ + if (list_empty(&udc->urb_queue)) + timer->state = VUDC_TR_IDLE; + else + mod_timer(&timer->timer, + timer->frame_start + msecs_to_jiffies(1)); + + spin_unlock_irqrestore(&udc->lock, flags); +} + +/* All timer functions are run with udc->lock held */ + +void v_init_timer(struct vudc *udc) +{ + struct transfer_timer *t = &udc->tr_timer; + + setup_timer(&t->timer, v_timer, (unsigned long) udc); + t->state = VUDC_TR_STOPPED; +} + +void v_start_timer(struct vudc *udc) +{ + struct transfer_timer *t = &udc->tr_timer; + + dev_dbg(&udc->pdev->dev, "timer start"); + switch (t->state) { + case VUDC_TR_RUNNING: + return; + case VUDC_TR_IDLE: + return v_kick_timer(udc, jiffies); + case VUDC_TR_STOPPED: + t->state = VUDC_TR_IDLE; + t->frame_start = jiffies; + t->frame_limit = get_frame_limit(udc->gadget.speed); + return v_kick_timer(udc, jiffies); + } +} + +void v_kick_timer(struct vudc *udc, unsigned long time) +{ + struct transfer_timer *t = &udc->tr_timer; + + dev_dbg(&udc->pdev->dev, "timer kick"); + switch (t->state) { + case VUDC_TR_RUNNING: + return; + case VUDC_TR_IDLE: + t->state = VUDC_TR_RUNNING; + /* fallthrough */ + case VUDC_TR_STOPPED: + /* we may want to kick timer to unqueue urbs */ + mod_timer(&t->timer, time); + } +} + +void v_stop_timer(struct vudc *udc) +{ + struct transfer_timer *t = &udc->tr_timer; + + /* timer itself will take care of stopping */ + dev_dbg(&udc->pdev->dev, "timer stop"); + t->state = VUDC_TR_STOPPED; +} diff --git a/drivers/usb/usbip/vudc_tx.c b/drivers/usb/usbip/vudc_tx.c new file mode 100644 index 000000000000..234661782fa0 --- /dev/null +++ b/drivers/usb/usbip/vudc_tx.c @@ -0,0 +1,289 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <net/sock.h> +#include <linux/list.h> +#include <linux/kthread.h> + +#include "usbip_common.h" +#include "vudc.h" + +static inline void setup_base_pdu(struct usbip_header_basic *base, + __u32 command, __u32 seqnum) +{ + base->command = command; + base->seqnum = seqnum; + base->devid = 0; + base->ep = 0; + base->direction = 0; +} + +static void setup_ret_submit_pdu(struct usbip_header *rpdu, struct urbp *urb_p) +{ + setup_base_pdu(&rpdu->base, USBIP_RET_SUBMIT, urb_p->seqnum); + usbip_pack_pdu(rpdu, urb_p->urb, USBIP_RET_SUBMIT, 1); +} + +static void setup_ret_unlink_pdu(struct usbip_header *rpdu, + struct v_unlink *unlink) +{ + setup_base_pdu(&rpdu->base, USBIP_RET_UNLINK, unlink->seqnum); + rpdu->u.ret_unlink.status = unlink->status; +} + +static int v_send_ret_unlink(struct vudc *udc, struct v_unlink *unlink) +{ + struct msghdr msg; + struct kvec iov[1]; + size_t txsize; + + int ret; + struct usbip_header pdu_header; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + memset(&iov, 0, sizeof(iov)); + + /* 1. setup usbip_header */ + setup_ret_unlink_pdu(&pdu_header, unlink); + usbip_header_correct_endian(&pdu_header, 1); + + iov[0].iov_base = &pdu_header; + iov[0].iov_len = sizeof(pdu_header); + txsize += sizeof(pdu_header); + + ret = kernel_sendmsg(udc->ud.tcp_socket, &msg, iov, + 1, txsize); + if (ret != txsize) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_TCP); + if (ret >= 0) + return -EPIPE; + return ret; + } + kfree(unlink); + + return txsize; +} + +static int v_send_ret_submit(struct vudc *udc, struct urbp *urb_p) +{ + struct urb *urb = urb_p->urb; + struct usbip_header pdu_header; + struct usbip_iso_packet_descriptor *iso_buffer = NULL; + struct kvec *iov = NULL; + int iovnum = 0; + int ret = 0; + size_t txsize; + struct msghdr msg; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + + if (urb_p->type == USB_ENDPOINT_XFER_ISOC) + iovnum = 2 + urb->number_of_packets; + else + iovnum = 2; + + iov = kcalloc(iovnum, sizeof(*iov), GFP_KERNEL); + if (!iov) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_MALLOC); + ret = -ENOMEM; + goto out; + } + iovnum = 0; + + /* 1. setup usbip_header */ + setup_ret_submit_pdu(&pdu_header, urb_p); + usbip_dbg_stub_tx("setup txdata seqnum: %d urb: %p\n", + pdu_header.base.seqnum, urb); + usbip_header_correct_endian(&pdu_header, 1); + + iov[iovnum].iov_base = &pdu_header; + iov[iovnum].iov_len = sizeof(pdu_header); + iovnum++; + txsize += sizeof(pdu_header); + + /* 2. setup transfer buffer */ + if (urb_p->type != USB_ENDPOINT_XFER_ISOC && + usb_pipein(urb->pipe) && urb->actual_length > 0) { + iov[iovnum].iov_base = urb->transfer_buffer; + iov[iovnum].iov_len = urb->actual_length; + iovnum++; + txsize += urb->actual_length; + } else if (urb_p->type == USB_ENDPOINT_XFER_ISOC && + usb_pipein(urb->pipe)) { + /* FIXME - copypasted from stub_tx, refactor */ + int i; + + for (i = 0; i < urb->number_of_packets; i++) { + iov[iovnum].iov_base = urb->transfer_buffer + + urb->iso_frame_desc[i].offset; + iov[iovnum].iov_len = + urb->iso_frame_desc[i].actual_length; + iovnum++; + txsize += urb->iso_frame_desc[i].actual_length; + } + + if (txsize != sizeof(pdu_header) + urb->actual_length) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_TCP); + ret = -EPIPE; + goto out; + } + } + /* else - no buffer to send */ + + /* 3. setup iso_packet_descriptor */ + if (urb_p->type == USB_ENDPOINT_XFER_ISOC) { + ssize_t len = 0; + + iso_buffer = usbip_alloc_iso_desc_pdu(urb, &len); + if (!iso_buffer) { + usbip_event_add(&udc->ud, + VUDC_EVENT_ERROR_MALLOC); + ret = -ENOMEM; + goto out; + } + + iov[iovnum].iov_base = iso_buffer; + iov[iovnum].iov_len = len; + txsize += len; + iovnum++; + } + + ret = kernel_sendmsg(udc->ud.tcp_socket, &msg, + iov, iovnum, txsize); + if (ret != txsize) { + usbip_event_add(&udc->ud, VUDC_EVENT_ERROR_TCP); + if (ret >= 0) + ret = -EPIPE; + goto out; + } + +out: + kfree(iov); + kfree(iso_buffer); + free_urbp_and_urb(urb_p); + if (ret < 0) + return ret; + return txsize; +} + +static int v_send_ret(struct vudc *udc) +{ + unsigned long flags; + struct tx_item *txi; + size_t total_size = 0; + int ret = 0; + + spin_lock_irqsave(&udc->lock_tx, flags); + while (!list_empty(&udc->tx_queue)) { + txi = list_first_entry(&udc->tx_queue, struct tx_item, + tx_entry); + list_del(&txi->tx_entry); + spin_unlock_irqrestore(&udc->lock_tx, flags); + + switch (txi->type) { + case TX_SUBMIT: + ret = v_send_ret_submit(udc, txi->s); + break; + case TX_UNLINK: + ret = v_send_ret_unlink(udc, txi->u); + break; + } + kfree(txi); + + if (ret < 0) + return ret; + + total_size += ret; + + spin_lock_irqsave(&udc->lock_tx, flags); + } + + spin_unlock_irqrestore(&udc->lock_tx, flags); + return total_size; +} + + +int v_tx_loop(void *data) +{ + struct usbip_device *ud = (struct usbip_device *) data; + struct vudc *udc = container_of(ud, struct vudc, ud); + int ret; + + while (!kthread_should_stop()) { + if (usbip_event_happened(&udc->ud)) + break; + ret = v_send_ret(udc); + if (ret < 0) { + pr_warn("v_tx exit with error %d", ret); + break; + } + wait_event_interruptible(udc->tx_waitq, + (!list_empty(&udc->tx_queue) || + kthread_should_stop())); + } + + return 0; +} + +/* called with spinlocks held */ +void v_enqueue_ret_unlink(struct vudc *udc, __u32 seqnum, __u32 status) +{ + struct tx_item *txi; + struct v_unlink *unlink; + + txi = kzalloc(sizeof(*txi), GFP_ATOMIC); + if (!txi) { + usbip_event_add(&udc->ud, VDEV_EVENT_ERROR_MALLOC); + return; + } + unlink = kzalloc(sizeof(*unlink), GFP_ATOMIC); + if (!unlink) { + kfree(txi); + usbip_event_add(&udc->ud, VDEV_EVENT_ERROR_MALLOC); + return; + } + + unlink->seqnum = seqnum; + unlink->status = status; + txi->type = TX_UNLINK; + txi->u = unlink; + + list_add_tail(&txi->tx_entry, &udc->tx_queue); +} + +/* called with spinlocks held */ +void v_enqueue_ret_submit(struct vudc *udc, struct urbp *urb_p) +{ + struct tx_item *txi; + + txi = kzalloc(sizeof(*txi), GFP_ATOMIC); + if (!txi) { + usbip_event_add(&udc->ud, VDEV_EVENT_ERROR_MALLOC); + return; + } + + txi->type = TX_SUBMIT; + txi->s = urb_p; + + list_add_tail(&txi->tx_entry, &udc->tx_queue); +} diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c index 8ed8e34c3492..33acd1599e99 100644 --- a/drivers/usb/wusbcore/crypto.c +++ b/drivers/usb/wusbcore/crypto.c @@ -54,7 +54,7 @@ #include <linux/usb/wusb.h> #include <linux/scatterlist.h> -static int debug_crypto_verify = 0; +static int debug_crypto_verify; module_param(debug_crypto_verify, int, 0); MODULE_PARM_DESC(debug_crypto_verify, "verify the key generation algorithms"); @@ -390,7 +390,7 @@ static int wusb_oob_mic_verify(void) 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f }, .MIC = { 0x75, 0x6a, 0x97, 0x51, 0x0c, 0x8c, - 0x14, 0x7b } , + 0x14, 0x7b }, }; size_t hs_size; @@ -480,7 +480,7 @@ static int wusb_key_derive_verify(void) printk(KERN_ERR "E: keydvt in: key\n"); wusb_key_dump(stv_key_a1, sizeof(stv_key_a1)); printk(KERN_ERR "E: keydvt in: nonce\n"); - wusb_key_dump( &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1)); + wusb_key_dump(&stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1)); printk(KERN_ERR "E: keydvt in: hnonce & dnonce\n"); wusb_key_dump(&stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1)); printk(KERN_ERR "E: keydvt out: KCK\n"); diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c index 3f4f5fbded55..bf9551735938 100644 --- a/drivers/usb/wusbcore/devconnect.c +++ b/drivers/usb/wusbcore/devconnect.c @@ -893,7 +893,6 @@ out: error_nodev: return; - wusb_dev_sysfs_rm(wusb_dev); error_add_sysfs: wusb_dev_bos_rm(wusb_dev); error_bos_add: diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5c802d47892c..ca6bfddaacad 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1006,7 +1006,7 @@ struct virtqueue *vring_create_virtqueue( const char *name) { struct virtqueue *vq; - void *queue; + void *queue = NULL; dma_addr_t dma_addr; size_t queue_size_in_bytes; struct vring vring; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 9781e0dd59d6..d46839f51e73 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -151,6 +151,8 @@ static DECLARE_WAIT_QUEUE_HEAD(balloon_wq); static void balloon_process(struct work_struct *work); static DECLARE_DELAYED_WORK(balloon_worker, balloon_process); +static void release_memory_resource(struct resource *resource); + /* When ballooning out (allocating memory to return to Xen) we don't really want the kernel to try too hard since that can trigger the oom killer. */ #define GFP_BALLOON \ @@ -267,6 +269,20 @@ static struct resource *additional_memory_resource(phys_addr_t size) return NULL; } +#ifdef CONFIG_SPARSEMEM + { + unsigned long limit = 1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT); + unsigned long pfn = res->start >> PAGE_SHIFT; + + if (pfn > limit) { + pr_err("New System RAM resource outside addressable RAM (%lu > %lu)\n", + pfn, limit); + release_memory_resource(res); + return NULL; + } + } +#endif + return res; } diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 38272ad24551..f4edd6df3df2 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -316,7 +316,6 @@ static int evtchn_resize_ring(struct per_user_data *u) { unsigned int new_size; evtchn_port_t *new_ring, *old_ring; - unsigned int p, c; /* * Ensure the ring is large enough to capture all possible @@ -346,20 +345,17 @@ static int evtchn_resize_ring(struct per_user_data *u) /* * Copy the old ring contents to the new ring. * - * If the ring contents crosses the end of the current ring, - * it needs to be copied in two chunks. + * To take care of wrapping, a full ring, and the new index + * pointing into the second half, simply copy the old contents + * twice. * * +---------+ +------------------+ - * |34567 12| -> | 1234567 | - * +-----p-c-+ +------------------+ + * |34567 12| -> |34567 1234567 12| + * +-----p-c-+ +-------c------p---+ */ - p = evtchn_ring_offset(u, u->ring_prod); - c = evtchn_ring_offset(u, u->ring_cons); - if (p < c) { - memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring)); - memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring)); - } else - memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring)); + memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring)); + memcpy(new_ring + u->ring_size, old_ring, + u->ring_size * sizeof(*u->ring)); u->ring = new_ring; u->ring_size = new_size; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 541ead4d8965..85b8517f17a0 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -386,9 +386,7 @@ void ceph_put_mds_session(struct ceph_mds_session *s) atomic_read(&s->s_ref), atomic_read(&s->s_ref)-1); if (atomic_dec_and_test(&s->s_ref)) { if (s->s_auth.authorizer) - ceph_auth_destroy_authorizer( - s->s_mdsc->fsc->client->monc.auth, - s->s_auth.authorizer); + ceph_auth_destroy_authorizer(s->s_auth.authorizer); kfree(s); } } @@ -3900,7 +3898,7 @@ static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con, struct ceph_auth_handshake *auth = &s->s_auth; if (force_new && auth->authorizer) { - ceph_auth_destroy_authorizer(ac, auth->authorizer); + ceph_auth_destroy_authorizer(auth->authorizer); auth->authorizer = NULL; } if (!auth->authorizer) { diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 0af8e7d70d27..0b2954d7172d 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -604,8 +604,7 @@ void devpts_put_ref(struct pts_fs_info *fsi) * * The created inode is returned. Remove it from /dev/pts/ by devpts_pty_kill. */ -struct inode *devpts_pty_new(struct pts_fs_info *fsi, dev_t device, int index, - void *priv) +struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv) { struct dentry *dentry; struct super_block *sb; @@ -629,25 +628,21 @@ struct inode *devpts_pty_new(struct pts_fs_info *fsi, dev_t device, int index, inode->i_uid = opts->setuid ? opts->uid : current_fsuid(); inode->i_gid = opts->setgid ? opts->gid : current_fsgid(); inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - init_special_inode(inode, S_IFCHR|opts->mode, device); - inode->i_private = priv; + init_special_inode(inode, S_IFCHR|opts->mode, MKDEV(UNIX98_PTY_SLAVE_MAJOR, index)); sprintf(s, "%d", index); - inode_lock(d_inode(root)); - dentry = d_alloc_name(root, s); if (dentry) { + dentry->d_fsdata = priv; d_add(dentry, inode); fsnotify_create(d_inode(root), dentry); } else { iput(inode); - inode = ERR_PTR(-ENOMEM); + dentry = ERR_PTR(-ENOMEM); } - inode_unlock(d_inode(root)); - - return inode; + return dentry; } /** @@ -656,24 +651,10 @@ struct inode *devpts_pty_new(struct pts_fs_info *fsi, dev_t device, int index, * * Returns whatever was passed as priv in devpts_pty_new for a given inode. */ -void *devpts_get_priv(struct inode *pts_inode) +void *devpts_get_priv(struct dentry *dentry) { - struct dentry *dentry; - void *priv = NULL; - - BUG_ON(pts_inode->i_rdev == MKDEV(TTYAUX_MAJOR, PTMX_MINOR)); - - /* Ensure dentry has not been deleted by devpts_pty_kill() */ - dentry = d_find_alias(pts_inode); - if (!dentry) - return NULL; - - if (pts_inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) - priv = pts_inode->i_private; - - dput(dentry); - - return priv; + WARN_ON_ONCE(dentry->d_sb->s_magic != DEVPTS_SUPER_MAGIC); + return dentry->d_fsdata; } /** @@ -682,24 +663,14 @@ void *devpts_get_priv(struct inode *pts_inode) * * This is an inverse operation of devpts_pty_new. */ -void devpts_pty_kill(struct inode *inode) +void devpts_pty_kill(struct dentry *dentry) { - struct super_block *sb = pts_sb_from_inode(inode); - struct dentry *root = sb->s_root; - struct dentry *dentry; + WARN_ON_ONCE(dentry->d_sb->s_magic != DEVPTS_SUPER_MAGIC); - BUG_ON(inode->i_rdev == MKDEV(TTYAUX_MAJOR, PTMX_MINOR)); - - inode_lock(d_inode(root)); - - dentry = d_find_alias(inode); - - drop_nlink(inode); + dentry->d_fsdata = NULL; + drop_nlink(dentry->d_inode); d_delete(dentry); dput(dentry); /* d_alloc_name() in devpts_pty_new() */ - dput(dentry); /* d_find_alias above */ - - inode_unlock(d_inode(root)); } static int __init init_devpts_fs(void) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 719924d6c706..dcad5e210525 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1295,7 +1295,7 @@ static int fuse_get_user_pages(struct fuse_req *req, struct iov_iter *ii, *nbytesp = nbytes; - return ret; + return ret < 0 ? ret : 0; } static inline int fuse_iter_npages(const struct iov_iter *ii_p) diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 9aed6e202201..13719d3f35f8 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -2455,6 +2455,8 @@ int dlm_deref_lockres_done_handler(struct o2net_msg *msg, u32 len, void *data, spin_unlock(&dlm->spinlock); + ret = 0; + done: dlm_put(dlm); return ret; diff --git a/fs/pnode.c b/fs/pnode.c index c524fdddc7fb..99899705b105 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -198,7 +198,7 @@ static struct mount *next_group(struct mount *m, struct mount *origin) /* all accesses are serialized by namespace_sem */ static struct user_namespace *user_ns; -static struct mount *last_dest, *last_source, *dest_master; +static struct mount *last_dest, *first_source, *last_source, *dest_master; static struct mountpoint *mp; static struct hlist_head *list; @@ -221,20 +221,22 @@ static int propagate_one(struct mount *m) type = CL_MAKE_SHARED; } else { struct mount *n, *p; + bool done; for (n = m; ; n = p) { p = n->mnt_master; - if (p == dest_master || IS_MNT_MARKED(p)) { - while (last_dest->mnt_master != p) { - last_source = last_source->mnt_master; - last_dest = last_source->mnt_parent; - } - if (!peers(n, last_dest)) { - last_source = last_source->mnt_master; - last_dest = last_source->mnt_parent; - } + if (p == dest_master || IS_MNT_MARKED(p)) break; - } } + do { + struct mount *parent = last_source->mnt_parent; + if (last_source == first_source) + break; + done = parent->mnt_master == p; + if (done && peers(n, parent)) + break; + last_source = last_source->mnt_master; + } while (!done); + type = CL_SLAVE; /* beginning of peer group among the slaves? */ if (IS_MNT_SHARED(m)) @@ -286,6 +288,7 @@ int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp, */ user_ns = current->nsproxy->mnt_ns->user_ns; last_dest = dest_mnt; + first_source = source_mnt; last_source = source_mnt; mp = dest_mp; list = tree_list; diff --git a/fs/proc/base.c b/fs/proc/base.c index b1755b23893e..92e37e224cd2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -955,7 +955,8 @@ static ssize_t environ_read(struct file *file, char __user *buf, struct mm_struct *mm = file->private_data; unsigned long env_start, env_end; - if (!mm) + /* Ensure the process spawned far enough to have an environment. */ + if (!mm || !mm->env_end) return 0; page = (char *)__get_free_page(GFP_TEMPORARY); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 229cb546bee0..541583510cfb 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1518,6 +1518,32 @@ static struct page *can_gather_numa_stats(pte_t pte, struct vm_area_struct *vma, return page; } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static struct page *can_gather_numa_stats_pmd(pmd_t pmd, + struct vm_area_struct *vma, + unsigned long addr) +{ + struct page *page; + int nid; + + if (!pmd_present(pmd)) + return NULL; + + page = vm_normal_page_pmd(vma, addr, pmd); + if (!page) + return NULL; + + if (PageReserved(page)) + return NULL; + + nid = page_to_nid(page); + if (!node_isset(nid, node_states[N_MEMORY])) + return NULL; + + return page; +} +#endif + static int gather_pte_stats(pmd_t *pmd, unsigned long addr, unsigned long end, struct mm_walk *walk) { @@ -1527,14 +1553,14 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr, pte_t *orig_pte; pte_t *pte; +#ifdef CONFIG_TRANSPARENT_HUGEPAGE ptl = pmd_trans_huge_lock(pmd, vma); if (ptl) { - pte_t huge_pte = *(pte_t *)pmd; struct page *page; - page = can_gather_numa_stats(huge_pte, vma, addr); + page = can_gather_numa_stats_pmd(*pmd, vma, addr); if (page) - gather_stats(page, md, pte_dirty(huge_pte), + gather_stats(page, md, pmd_dirty(*pmd), HPAGE_PMD_SIZE/PAGE_SIZE); spin_unlock(ptl); return 0; @@ -1542,6 +1568,7 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr, if (pmd_trans_unstable(pmd)) return 0; +#endif orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); do { struct page *page = can_gather_numa_stats(*pte, vma, addr); diff --git a/fs/udf/super.c b/fs/udf/super.c index fa92fe839fda..36661acaf33b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -919,14 +919,14 @@ static int udf_load_pvoldesc(struct super_block *sb, sector_t block) #endif } - ret = udf_CS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); + ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); if (ret < 0) goto out_bh; strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); - ret = udf_CS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); + ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); if (ret < 0) goto out_bh; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 972b70625614..263829ef1873 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -212,7 +212,7 @@ extern int udf_get_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); extern int udf_put_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); -extern int udf_CS0toUTF8(uint8_t *, int, const uint8_t *, int); +extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int); /* ialloc.c */ extern void udf_free_inode(struct inode *); diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 3ff42f4437f3..695389a4fc23 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -335,9 +335,21 @@ try_again: return u_len; } -int udf_CS0toUTF8(uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len) +int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len, + const uint8_t *ocu_i, int i_len) { - return udf_name_from_CS0(utf_o, o_len, ocu_i, i_len, + int s_len = 0; + + if (i_len > 0) { + s_len = ocu_i[i_len - 1]; + if (s_len >= i_len) { + pr_err("incorrect dstring lengths (%d/%d)\n", + s_len, i_len); + return -EINVAL; + } + } + + return udf_name_from_CS0(utf_o, o_len, ocu_i, s_len, udf_uni2char_utf8, 0); } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 14362a84c78e..3a932501d690 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -394,13 +394,13 @@ struct acpi_data_node { static inline bool is_acpi_node(struct fwnode_handle *fwnode) { - return fwnode && (fwnode->type == FWNODE_ACPI + return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI || fwnode->type == FWNODE_ACPI_DATA); } static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_ACPI; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI; } static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index 0367c63f5960..e6b41f42602b 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -4,6 +4,7 @@ #include <linux/pci.h> #include <linux/mod_devicetable.h> +#include <linux/bcma/bcma_driver_arm_c9.h> #include <linux/bcma/bcma_driver_chipcommon.h> #include <linux/bcma/bcma_driver_pci.h> #include <linux/bcma/bcma_driver_pcie2.h> diff --git a/include/linux/bcma/bcma_driver_arm_c9.h b/include/linux/bcma/bcma_driver_arm_c9.h new file mode 100644 index 000000000000..93bd73d670d5 --- /dev/null +++ b/include/linux/bcma/bcma_driver_arm_c9.h @@ -0,0 +1,15 @@ +#ifndef LINUX_BCMA_DRIVER_ARM_C9_H_ +#define LINUX_BCMA_DRIVER_ARM_C9_H_ + +/* DMU (Device Management Unit) */ +#define BCMA_DMU_CRU_USB2_CONTROL 0x0164 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_MASK 0x00000FFC +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_SHIFT 2 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK 0x00007000 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_SHIFT 12 +#define BCMA_DMU_CRU_CLKSET_KEY 0x0180 +#define BCMA_DMU_CRU_STRAPS_CTRL 0x02A0 +#define BCMA_DMU_CRU_STRAPS_CTRL_USB3 0x00000010 +#define BCMA_DMU_CRU_STRAPS_CTRL_4BYTE 0x00008000 + +#endif /* LINUX_BCMA_DRIVER_ARM_C9_H_ */ diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 21ee41b92e8a..f1d5c5acc8dd 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -171,12 +171,13 @@ void bpf_register_prog_type(struct bpf_prog_type_list *tl); void bpf_register_map_type(struct bpf_map_type_list *tl); struct bpf_prog *bpf_prog_get(u32 ufd); +struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog); void bpf_prog_put(struct bpf_prog *prog); void bpf_prog_put_rcu(struct bpf_prog *prog); struct bpf_map *bpf_map_get_with_uref(u32 ufd); struct bpf_map *__bpf_map_get(struct fd f); -void bpf_map_inc(struct bpf_map *map, bool uref); +struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref); void bpf_map_put_with_uref(struct bpf_map *map); void bpf_map_put(struct bpf_map *map); int bpf_map_precharge_memlock(u32 pages); diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h index 260d78b587c4..1563265d2097 100644 --- a/include/linux/ceph/auth.h +++ b/include/linux/ceph/auth.h @@ -12,9 +12,12 @@ */ struct ceph_auth_client; -struct ceph_authorizer; struct ceph_msg; +struct ceph_authorizer { + void (*destroy)(struct ceph_authorizer *); +}; + struct ceph_auth_handshake { struct ceph_authorizer *authorizer; void *authorizer_buf; @@ -62,8 +65,6 @@ struct ceph_auth_client_ops { struct ceph_auth_handshake *auth); int (*verify_authorizer_reply)(struct ceph_auth_client *ac, struct ceph_authorizer *a, size_t len); - void (*destroy_authorizer)(struct ceph_auth_client *ac, - struct ceph_authorizer *a); void (*invalidate_authorizer)(struct ceph_auth_client *ac, int peer_type); @@ -112,8 +113,7 @@ extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac); extern int ceph_auth_create_authorizer(struct ceph_auth_client *ac, int peer_type, struct ceph_auth_handshake *auth); -extern void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac, - struct ceph_authorizer *a); +void ceph_auth_destroy_authorizer(struct ceph_authorizer *a); extern int ceph_auth_update_authorizer(struct ceph_auth_client *ac, int peer_type, struct ceph_auth_handshake *a); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 4343df806710..cbf460927c42 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -16,7 +16,6 @@ struct ceph_msg; struct ceph_snap_context; struct ceph_osd_request; struct ceph_osd_client; -struct ceph_authorizer; /* * completion callback for async writepages diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 3e39ae5bc799..5b17de62c962 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -444,6 +444,7 @@ struct cgroup_subsys { int (*can_attach)(struct cgroup_taskset *tset); void (*cancel_attach)(struct cgroup_taskset *tset); void (*attach)(struct cgroup_taskset *tset); + void (*post_attach)(void); int (*can_fork)(struct task_struct *task); void (*cancel_fork)(struct task_struct *task); void (*fork)(struct task_struct *task); diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index fea160ee5803..85a868ccb493 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -137,8 +137,6 @@ static inline void set_mems_allowed(nodemask_t nodemask) task_unlock(current); } -extern void cpuset_post_attach_flush(void); - #else /* !CONFIG_CPUSETS */ static inline bool cpusets_enabled(void) { return false; } @@ -245,10 +243,6 @@ static inline bool read_mems_allowed_retry(unsigned int seq) return false; } -static inline void cpuset_post_attach_flush(void) -{ -} - #endif /* !CONFIG_CPUSETS */ #endif /* _LINUX_CPUSET_H */ diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h index 358a4db72a27..5871f292b596 100644 --- a/include/linux/devpts_fs.h +++ b/include/linux/devpts_fs.h @@ -27,11 +27,11 @@ int devpts_new_index(struct pts_fs_info *); void devpts_kill_index(struct pts_fs_info *, int); /* mknod in devpts */ -struct inode *devpts_pty_new(struct pts_fs_info *, dev_t, int, void *); +struct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); /* get private structure */ -void *devpts_get_priv(struct inode *pts_inode); +void *devpts_get_priv(struct dentry *); /* unlink */ -void devpts_pty_kill(struct inode *inode); +void devpts_pty_kill(struct dentry *); #endif diff --git a/include/linux/hash.h b/include/linux/hash.h index 1afde47e1528..79c52fa81cac 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -32,12 +32,28 @@ #error Wordsize not 32 or 64 #endif +/* + * The above primes are actively bad for hashing, since they are + * too sparse. The 32-bit one is mostly ok, the 64-bit one causes + * real problems. Besides, the "prime" part is pointless for the + * multiplicative hash. + * + * Although a random odd number will do, it turns out that the golden + * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice + * properties. + * + * These are the negative, (1 - phi) = (phi^2) = (3 - sqrt(5))/2. + * (See Knuth vol 3, section 6.4, exercise 9.) + */ +#define GOLDEN_RATIO_32 0x61C88647 +#define GOLDEN_RATIO_64 0x61C8864680B583EBull + static __always_inline u64 hash_64(u64 val, unsigned int bits) { u64 hash = val; -#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 - hash = hash * GOLDEN_RATIO_PRIME_64; +#if BITS_PER_LONG == 64 + hash = hash * GOLDEN_RATIO_64; #else /* Sigh, gcc can't optimise this alone like it does for 32 bits. */ u64 n = hash; diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 7008623e24b1..d7b9e5346fba 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -152,6 +152,7 @@ static inline bool is_huge_zero_pmd(pmd_t pmd) } struct page *get_huge_zero_page(void); +void put_huge_zero_page(void); #else /* CONFIG_TRANSPARENT_HUGEPAGE */ #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) @@ -208,6 +209,10 @@ static inline bool is_huge_zero_page(struct page *page) return false; } +static inline void put_huge_zero_page(void) +{ + BUILD_BUG(); +} static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, int flags) diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index d5569734f672..548fd535fd02 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -28,6 +28,11 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) return (struct ethhdr *)skb_mac_header(skb); } +static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb) +{ + return (struct ethhdr *)skb_inner_mac_header(skb); +} + int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index d026b190c530..d10ef06971b5 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -196,9 +196,11 @@ struct lock_list { * We record lock dependency chains, so that we can cache them: */ struct lock_chain { - u8 irq_context; - u8 depth; - u16 base; + /* see BUILD_BUG_ON()s in lookup_chain_cache() */ + unsigned int irq_context : 2, + depth : 6, + base : 24; + /* 4 byte hole */ struct hlist_node entry; u64 chain_key; }; diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h index 9352adc95de6..76f30f940c70 100644 --- a/include/linux/mfd/syscon/exynos5-pmu.h +++ b/include/linux/mfd/syscon/exynos5-pmu.h @@ -38,6 +38,9 @@ /* Exynos5433 specific register definitions */ #define EXYNOS5433_USBHOST30_PHY_CONTROL (0x728) +#define EXYNOS5433_MIPI_PHY0_CONTROL (0x710) +#define EXYNOS5433_MIPI_PHY1_CONTROL (0x714) +#define EXYNOS5433_MIPI_PHY2_CONTROL (0x718) #define EXYNOS5_PHY_ENABLE BIT(0) diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 8156e3c9239c..b3575f392492 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -392,6 +392,17 @@ enum { MLX5_CAP_OFF_CMDIF_CSUM = 46, }; +enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX5_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + struct mlx5_inbox_hdr { __be16 opcode; u8 rsvd[4]; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index dcd5ac8d3b14..369c837d40f5 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -519,8 +519,9 @@ enum mlx5_device_state { }; enum mlx5_interface_state { - MLX5_INTERFACE_STATE_DOWN, - MLX5_INTERFACE_STATE_UP, + MLX5_INTERFACE_STATE_DOWN = BIT(0), + MLX5_INTERFACE_STATE_UP = BIT(1), + MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2), }; enum mlx5_pci_status { @@ -544,7 +545,7 @@ struct mlx5_core_dev { enum mlx5_device_state state; /* sync interface state */ struct mutex intf_state_mutex; - enum mlx5_interface_state interface_state; + unsigned long intf_state; void (*event) (struct mlx5_core_dev *dev, enum mlx5_dev_event event, unsigned long param); diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h index a1d145abd4eb..b30250ab7604 100644 --- a/include/linux/mlx5/port.h +++ b/include/linux/mlx5/port.h @@ -54,9 +54,9 @@ int mlx5_set_port_admin_status(struct mlx5_core_dev *dev, int mlx5_query_port_admin_status(struct mlx5_core_dev *dev, enum mlx5_port_status *status); -int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port); -void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu, u8 port); -void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu, +int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port); +void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port); +void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu, u8 port); int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev, diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index bd93e6323603..301da4a5e6bf 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -45,6 +45,8 @@ int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u16 vport, u8 *addr); int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev, u16 vport, u8 *addr); +int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu); +int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu); int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev, u64 *system_image_guid); int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid); diff --git a/include/linux/mm.h b/include/linux/mm.h index a55e5be0894f..864d7221de84 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1031,6 +1031,8 @@ static inline bool page_mapped(struct page *page) page = compound_head(page); if (atomic_read(compound_mapcount_ptr(page)) >= 0) return true; + if (PageHuge(page)) + return false; for (i = 0; i < hpage_nr_pages(page); i++) { if (atomic_read(&page[i]._mapcount) >= 0) return true; @@ -1138,6 +1140,8 @@ struct zap_details { struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_t pte); +struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, + pmd_t pmd); int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size); diff --git a/include/linux/net.h b/include/linux/net.h index 49175e4ced11..f840d77c6c31 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -246,7 +246,15 @@ do { \ net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__) #define net_info_ratelimited(fmt, ...) \ net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__) -#if defined(DEBUG) +#if defined(CONFIG_DYNAMIC_DEBUG) +#define net_dbg_ratelimited(fmt, ...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) && \ + net_ratelimit()) \ + __dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__); \ +} while (0) +#elif defined(DEBUG) #define net_dbg_ratelimited(fmt, ...) \ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) #else diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8395308a2445..b3c46b019ac1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4004,7 +4004,7 @@ netdev_features_t netif_skb_features(struct sk_buff *skb); static inline bool net_gso_ok(netdev_features_t features, int gso_type) { - netdev_features_t feature = gso_type << NETIF_F_GSO_SHIFT; + netdev_features_t feature = (netdev_features_t)gso_type << NETIF_F_GSO_SHIFT; /* check flags correspondence */ BUILD_BUG_ON(SKB_GSO_TCPV4 != (NETIF_F_TSO >> NETIF_F_GSO_SHIFT)); diff --git a/include/linux/of.h b/include/linux/of.h index 7fcb681baadf..31758036787c 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -133,7 +133,7 @@ void of_core_init(void); static inline bool is_of_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_OF; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_OF; } static inline struct device_node *to_of_node(struct fwnode_handle *fwnode) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f4ed4f1b0c77..6b052aa7b5b7 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -517,6 +517,27 @@ static inline int PageTransCompound(struct page *page) } /* + * PageTransCompoundMap is the same as PageTransCompound, but it also + * guarantees the primary MMU has the entire compound page mapped + * through pmd_trans_huge, which in turn guarantees the secondary MMUs + * can also map the entire compound page. This allows the secondary + * MMUs to call get_user_pages() only once for each compound page and + * to immediately map the entire compound page with a single secondary + * MMU fault. If there will be a pmd split later, the secondary MMUs + * will get an update through the MMU notifier invalidation through + * split_huge_pmd(). + * + * Unlike PageTransCompound, this is safe to be called only while + * split_huge_pmd() cannot run from under us, like if protected by the + * MMU notifier, otherwise it may result in page->_mapcount < 0 false + * positives. + */ +static inline int PageTransCompoundMap(struct page *page) +{ + return PageTransCompound(page) && atomic_read(&page->_mapcount) < 0; +} + +/* * PageTransTail returns true for both transparent huge pages * and hugetlbfs pages, so it should only be called when it's known * that hugetlbfs pages aren't involved. @@ -559,6 +580,7 @@ static inline int TestClearPageDoubleMap(struct page *page) #else TESTPAGEFLAG_FALSE(TransHuge) TESTPAGEFLAG_FALSE(TransCompound) +TESTPAGEFLAG_FALSE(TransCompoundMap) TESTPAGEFLAG_FALSE(TransTail) TESTPAGEFLAG_FALSE(DoubleMap) TESTSETFLAG_FALSE(DoubleMap) diff --git a/include/linux/swap.h b/include/linux/swap.h index 2b83359c19ca..0a4cd4703f40 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -533,6 +533,10 @@ static inline swp_entry_t get_swap_page(void) #ifdef CONFIG_MEMCG static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg) { + /* Cgroup2 doesn't have per-cgroup swappiness */ + if (cgroup_subsys_on_dfl(memory_cgrp_subsys)) + return vm_swappiness; + /* root ? */ if (mem_cgroup_disabled() || !memcg->css.parent) return vm_swappiness; diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 161052477f77..b742b5e47cc2 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -7,7 +7,7 @@ * defined; unless noted otherwise, they are optional, and can be * filled in with a null pointer. * - * struct tty_struct * (*lookup)(struct tty_driver *self, int idx) + * struct tty_struct * (*lookup)(struct tty_driver *self, struct file *, int idx) * * Return the tty device corresponding to idx, NULL if there is not * one currently in use and an ERR_PTR value on error. Called under @@ -250,7 +250,7 @@ struct serial_icounter_struct; struct tty_operations { struct tty_struct * (*lookup)(struct tty_driver *driver, - struct inode *inode, int idx); + struct file *filp, int idx); int (*install)(struct tty_driver *driver, struct tty_struct *tty); void (*remove)(struct tty_driver *driver, struct tty_struct *tty); int (*open)(struct tty_struct * tty, struct file * filp); diff --git a/include/linux/usb.h b/include/linux/usb.h index 6a9a0c28415d..eba1f10e8cfd 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -374,13 +374,12 @@ struct usb_bus { int devnum_next; /* Next open device number in * round-robin allocation */ + struct mutex devnum_next_mutex; /* devnum_next mutex */ struct usb_devmap devmap; /* device address allocation map */ struct usb_device *root_hub; /* Root hub */ struct usb_bus *hs_companion; /* Companion EHCI bus, if any */ - struct mutex usb_address0_mutex; /* unaddressed device mutex */ - int bandwidth_allocated; /* on this bus: how much of the time * reserved for periodic (intr/iso) * requests is used, on average? @@ -720,7 +719,7 @@ extern void usb_enable_ltm(struct usb_device *udev); static inline bool usb_device_supports_ltm(struct usb_device *udev) { - if (udev->speed != USB_SPEED_SUPER || !udev->bos || !udev->bos->ss_cap) + if (udev->speed < USB_SPEED_SUPER || !udev->bos || !udev->bos->ss_cap) return false; return udev->bos->ss_cap->bmAttributes & USB_LTM_SUPPORT; } @@ -1069,7 +1068,7 @@ struct usbdrv_wrap { * for interfaces bound to this driver. * @soft_unbind: if set to 1, the USB core will not kill URBs and disable * endpoints before calling the driver's disconnect method. - * @disable_hub_initiated_lpm: if set to 0, the USB core will not allow hubs + * @disable_hub_initiated_lpm: if set to 1, the USB core will not allow hubs * to initiate lower power link state transitions when an idle timeout * occurs. Device-initiated USB 3.0 link PM will still be allowed. * @@ -1569,7 +1568,7 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * Initializes a interrupt urb with the proper information needed to submit * it to a device. * - * Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic + * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic * encoding of the endpoint interval, and express polling intervals in * microframes (eight per millisecond) rather than in frames (one per * millisecond). @@ -1595,7 +1594,7 @@ static inline void usb_fill_int_urb(struct urb *urb, urb->complete = complete_fn; urb->context = context; - if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) { + if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { /* make sure interval is within allowed range */ interval = clamp(interval, 1, 16); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 5d4e151c49bf..457651bf45b0 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1223,9 +1223,13 @@ int usb_otg_descriptor_init(struct usb_gadget *gadget, /* utility to simplify map/unmap of usb_requests to/from DMA */ +extern int usb_gadget_map_request_by_dev(struct device *dev, + struct usb_request *req, int is_in); extern int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in); +extern void usb_gadget_unmap_request_by_dev(struct device *dev, + struct usb_request *req, int is_in); extern void usb_gadget_unmap_request(struct usb_gadget *gadget, struct usb_request *req, int is_in); diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index b98f831dcda3..66fc13705ab7 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -181,6 +181,7 @@ struct usb_hcd { * bandwidth_mutex should be dropped after a successful control message * to the device, or resetting the bandwidth after a failed attempt. */ + struct mutex *address0_mutex; struct mutex *bandwidth_mutex; struct usb_hcd *shared_hcd; struct usb_hcd *primary_hcd; diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h index 24198e16f849..7a0350535cb1 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -72,37 +72,113 @@ enum otg_fsm_timer { NUM_OTG_FSM_TIMERS, }; -/* OTG state machine according to the OTG spec */ +/** + * struct otg_fsm - OTG state machine according to the OTG spec + * + * OTG hardware Inputs + * + * Common inputs for A and B device + * @id: TRUE for B-device, FALSE for A-device. + * @adp_change: TRUE when current ADP measurement (n) value, compared to the + * ADP measurement taken at n-2, differs by more than CADP_THR + * @power_up: TRUE when the OTG device first powers up its USB system and + * ADP measurement taken if ADP capable + * + * A-Device state inputs + * @a_srp_det: TRUE if the A-device detects SRP + * @a_vbus_vld: TRUE when VBUS voltage is in regulation + * @b_conn: TRUE if the A-device detects connection from the B-device + * @a_bus_resume: TRUE when the B-device detects that the A-device is signaling + * a resume (K state) + * B-Device state inputs + * @a_bus_suspend: TRUE when the B-device detects that the A-device has put the + * bus into suspend + * @a_conn: TRUE if the B-device detects a connection from the A-device + * @b_se0_srp: TRUE when the line has been at SE0 for more than the minimum + * time before generating SRP + * @b_ssend_srp: TRUE when the VBUS has been below VOTG_SESS_VLD for more than + * the minimum time before generating SRP + * @b_sess_vld: TRUE when the B-device detects that the voltage on VBUS is + * above VOTG_SESS_VLD + * @test_device: TRUE when the B-device switches to B-Host and detects an OTG + * test device. This must be set by host/hub driver + * + * Application inputs (A-Device) + * @a_bus_drop: TRUE when A-device application needs to power down the bus + * @a_bus_req: TRUE when A-device application wants to use the bus. + * FALSE to suspend the bus + * + * Application inputs (B-Device) + * @b_bus_req: TRUE during the time that the Application running on the + * B-device wants to use the bus + * + * Auxilary inputs (OTG v1.3 only. Obsolete now.) + * @a_sess_vld: TRUE if the A-device detects that VBUS is above VA_SESS_VLD + * @b_bus_suspend: TRUE when the A-device detects that the B-device has put + * the bus into suspend + * @b_bus_resume: TRUE when the A-device detects that the B-device is signaling + * resume on the bus + * + * OTG Output status. Read only for users. Updated by OTG FSM helpers defined + * in this file + * + * Outputs for Both A and B device + * @drv_vbus: TRUE when A-device is driving VBUS + * @loc_conn: TRUE when the local device has signaled that it is connected + * to the bus + * @loc_sof: TRUE when the local device is generating activity on the bus + * @adp_prb: TRUE when the local device is in the process of doing + * ADP probing + * + * Outputs for B-device state + * @adp_sns: TRUE when the B-device is in the process of carrying out + * ADP sensing + * @data_pulse: TRUE when the B-device is performing data line pulsing + * + * Internal Variables + * + * a_set_b_hnp_en: TRUE when the A-device has successfully set the + * b_hnp_enable bit in the B-device. + * Unused as OTG fsm uses otg->host->b_hnp_enable instead + * b_srp_done: TRUE when the B-device has completed initiating SRP + * b_hnp_enable: TRUE when the B-device has accepted the + * SetFeature(b_hnp_enable) B-device. + * Unused as OTG fsm uses otg->gadget->b_hnp_enable instead + * a_clr_err: Asserted (by application ?) to clear a_vbus_err due to an + * overcurrent condition and causes the A-device to transition + * to a_wait_vfall + */ struct otg_fsm { /* Input */ int id; int adp_change; int power_up; - int test_device; - int a_bus_drop; - int a_bus_req; int a_srp_det; int a_vbus_vld; int b_conn; int a_bus_resume; int a_bus_suspend; int a_conn; - int b_bus_req; int b_se0_srp; int b_ssend_srp; int b_sess_vld; + int test_device; + int a_bus_drop; + int a_bus_req; + int b_bus_req; + /* Auxilary inputs */ int a_sess_vld; int b_bus_resume; int b_bus_suspend; /* Output */ - int data_pulse; int drv_vbus; int loc_conn; int loc_sof; int adp_prb; int adp_sns; + int data_pulse; /* Internal variables */ int a_set_b_hnp_en; @@ -110,7 +186,7 @@ struct otg_fsm { int b_hnp_enable; int a_clr_err; - /* Informative variables */ + /* Informative variables. All unused as of now */ int a_bus_drop_inf; int a_bus_req_inf; int a_clr_err_inf; @@ -134,6 +210,7 @@ struct otg_fsm { struct mutex lock; u8 *host_req_flag; struct delayed_work hnp_polling_work; + bool state_changed; }; struct otg_fsm_ops { diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 8a0f55b6c2ba..88e3ab496e8f 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -375,6 +375,9 @@ struct vb2_ops { /** * struct vb2_ops - driver-specific callbacks * + * @verify_planes_array: Verify that a given user space structure contains + * enough planes for the buffer. This is called + * for each dequeued buffer. * @fill_user_buffer: given a vb2_buffer fill in the userspace structure. * For V4L2 this is a struct v4l2_buffer. * @fill_vb2_buffer: given a userspace structure, fill in the vb2_buffer. @@ -384,6 +387,7 @@ struct vb2_ops { * the vb2_buffer struct. */ struct vb2_buf_ops { + int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb); void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb); int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb, struct vb2_plane *planes); @@ -400,6 +404,9 @@ struct vb2_buf_ops { * @fileio_read_once: report EOF after reading the first buffer * @fileio_write_immediately: queue buffer after each write() call * @allow_zero_bytesused: allow bytesused == 0 to be passed to the driver + * @quirk_poll_must_check_waiting_for_buffers: Return POLLERR at poll when QBUF + * has not been called. This is a vb1 idiom that has been adopted + * also by vb2. * @lock: pointer to a mutex that protects the vb2_queue struct. The * driver can set this to a mutex to let the v4l2 core serialize * the queuing ioctls. If the driver wants to handle locking @@ -463,6 +470,7 @@ struct vb2_queue { unsigned fileio_read_once:1; unsigned fileio_write_immediately:1; unsigned allow_zero_bytesused:1; + unsigned quirk_poll_must_check_waiting_for_buffers:1; struct mutex *lock; void *owner; diff --git a/include/net/switchdev.h b/include/net/switchdev.h index d451122e8404..51d77b2ce2b2 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -54,6 +54,8 @@ struct switchdev_attr { struct net_device *orig_dev; enum switchdev_attr_id id; u32 flags; + void *complete_priv; + void (*complete)(struct net_device *dev, int err, void *priv); union { struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ u8 stp_state; /* PORT_STP_STATE */ @@ -75,6 +77,8 @@ struct switchdev_obj { struct net_device *orig_dev; enum switchdev_obj_id id; u32 flags; + void *complete_priv; + void (*complete)(struct net_device *dev, int err, void *priv); }; /* SWITCHDEV_OBJ_ID_PORT_VLAN */ diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 73ed2e951c02..35437c779da8 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -252,7 +252,9 @@ static inline netdev_features_t vxlan_features_check(struct sk_buff *skb, (skb->inner_protocol_type != ENCAP_TYPE_ETHER || skb->inner_protocol != htons(ETH_P_TEB) || (skb_inner_mac_header(skb) - skb_transport_header(skb) != - sizeof(struct udphdr) + sizeof(struct vxlanhdr)))) + sizeof(struct udphdr) + sizeof(struct vxlanhdr)) || + (skb->ip_summed != CHECKSUM_NONE && + !can_checksum_protocol(features, inner_eth_hdr(skb)->h_proto)))) return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); return features; diff --git a/include/rdma/ib.h b/include/rdma/ib.h index cf8f9e700e48..a6b93706b0fc 100644 --- a/include/rdma/ib.h +++ b/include/rdma/ib.h @@ -34,6 +34,7 @@ #define _RDMA_IB_H #include <linux/types.h> +#include <linux/sched.h> struct ib_addr { union { @@ -86,4 +87,19 @@ struct sockaddr_ib { __u64 sib_scope_id; }; +/* + * The IB interfaces that use write() as bi-directional ioctl() are + * fundamentally unsafe, since there are lots of ways to trigger "write()" + * calls from various contexts with elevated privileges. That includes the + * traditional suid executable error message writes, but also various kernel + * interfaces that can write to file descriptors. + * + * This function provides protection for the legacy API by restricting the + * calling context. + */ +static inline bool ib_safe_file_access(struct file *filp) +{ + return filp->f_cred == current_cred() && segment_eq(get_fs(), USER_DS); +} + #endif /* _RDMA_IB_H */ diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h index fa341fcb5829..f5842bcd9c94 100644 --- a/include/sound/hda_i915.h +++ b/include/sound/hda_i915.h @@ -9,7 +9,7 @@ #ifdef CONFIG_SND_HDA_I915 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); int snd_hdac_display_power(struct hdac_bus *bus, bool enable); -int snd_hdac_get_display_clk(struct hdac_bus *bus); +void snd_hdac_i915_set_bclk(struct hdac_bus *bus); int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate); int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid, bool *audio_enabled, char *buffer, int max_bytes); @@ -25,9 +25,8 @@ static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) { return 0; } -static inline int snd_hdac_get_display_clk(struct hdac_bus *bus) +static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus) { - return 0; } static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate) diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 6e0f5f01734c..c51afb71bfab 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -718,9 +718,9 @@ __SYSCALL(__NR_mlock2, sys_mlock2) #define __NR_copy_file_range 285 __SYSCALL(__NR_copy_file_range, sys_copy_file_range) #define __NR_preadv2 286 -__SYSCALL(__NR_preadv2, sys_preadv2) +__SC_COMP(__NR_preadv2, sys_preadv2, compat_sys_preadv2) #define __NR_pwritev2 287 -__SYSCALL(__NR_pwritev2, sys_pwritev2) +__SC_COMP(__NR_pwritev2, sys_pwritev2, compat_sys_pwritev2) #undef __NR_syscalls #define __NR_syscalls 288 diff --git a/include/uapi/linux/if_macsec.h b/include/uapi/linux/if_macsec.h index 26b0d1e3e3e7..4c58d9917aa4 100644 --- a/include/uapi/linux/if_macsec.h +++ b/include/uapi/linux/if_macsec.h @@ -19,8 +19,8 @@ #define MACSEC_MAX_KEY_LEN 128 -#define DEFAULT_CIPHER_ID 0x0080020001000001ULL -#define DEFAULT_CIPHER_ALT 0x0080C20001000001ULL +#define MACSEC_DEFAULT_CIPHER_ID 0x0080020001000001ULL +#define MACSEC_DEFAULT_CIPHER_ALT 0x0080C20001000001ULL #define MACSEC_MIN_ICV_LEN 8 #define MACSEC_MAX_ICV_LEN 32 diff --git a/include/linux/rio_mport_cdev.h b/include/uapi/linux/rio_mport_cdev.h index b65d19df76d2..5796bf1d06ad 100644 --- a/include/linux/rio_mport_cdev.h +++ b/include/uapi/linux/rio_mport_cdev.h @@ -39,16 +39,16 @@ #ifndef _RIO_MPORT_CDEV_H_ #define _RIO_MPORT_CDEV_H_ -#ifndef __user -#define __user -#endif +#include <linux/ioctl.h> +#include <linux/types.h> struct rio_mport_maint_io { - uint32_t rioid; /* destID of remote device */ - uint32_t hopcount; /* hopcount to remote device */ - uint32_t offset; /* offset in register space */ - size_t length; /* length in bytes */ - void __user *buffer; /* data buffer */ + __u16 rioid; /* destID of remote device */ + __u8 hopcount; /* hopcount to remote device */ + __u8 pad0[5]; + __u32 offset; /* offset in register space */ + __u32 length; /* length in bytes */ + __u64 buffer; /* pointer to data buffer */ }; /* @@ -66,22 +66,23 @@ struct rio_mport_maint_io { #define RIO_CAP_MAP_INB (1 << 7) struct rio_mport_properties { - uint16_t hdid; - uint8_t id; /* Physical port ID */ - uint8_t index; - uint32_t flags; - uint32_t sys_size; /* Default addressing size */ - uint8_t port_ok; - uint8_t link_speed; - uint8_t link_width; - uint32_t dma_max_sge; - uint32_t dma_max_size; - uint32_t dma_align; - uint32_t transfer_mode; /* Default transfer mode */ - uint32_t cap_sys_size; /* Capable system sizes */ - uint32_t cap_addr_size; /* Capable addressing sizes */ - uint32_t cap_transfer_mode; /* Capable transfer modes */ - uint32_t cap_mport; /* Mport capabilities */ + __u16 hdid; + __u8 id; /* Physical port ID */ + __u8 index; + __u32 flags; + __u32 sys_size; /* Default addressing size */ + __u8 port_ok; + __u8 link_speed; + __u8 link_width; + __u8 pad0; + __u32 dma_max_sge; + __u32 dma_max_size; + __u32 dma_align; + __u32 transfer_mode; /* Default transfer mode */ + __u32 cap_sys_size; /* Capable system sizes */ + __u32 cap_addr_size; /* Capable addressing sizes */ + __u32 cap_transfer_mode; /* Capable transfer modes */ + __u32 cap_mport; /* Mport capabilities */ }; /* @@ -93,54 +94,57 @@ struct rio_mport_properties { #define RIO_PORTWRITE (1 << 1) struct rio_doorbell { - uint32_t rioid; - uint16_t payload; + __u16 rioid; + __u16 payload; }; struct rio_doorbell_filter { - uint32_t rioid; /* 0xffffffff to match all ids */ - uint16_t low; - uint16_t high; + __u16 rioid; /* Use RIO_INVALID_DESTID to match all ids */ + __u16 low; + __u16 high; + __u16 pad0; }; struct rio_portwrite { - uint32_t payload[16]; + __u32 payload[16]; }; struct rio_pw_filter { - uint32_t mask; - uint32_t low; - uint32_t high; + __u32 mask; + __u32 low; + __u32 high; + __u32 pad0; }; /* RapidIO base address for inbound requests set to value defined below * indicates that no specific RIO-to-local address translation is requested * and driver should use direct (one-to-one) address mapping. */ -#define RIO_MAP_ANY_ADDR (uint64_t)(~((uint64_t) 0)) +#define RIO_MAP_ANY_ADDR (__u64)(~((__u64) 0)) struct rio_mmap { - uint32_t rioid; - uint64_t rio_addr; - uint64_t length; - uint64_t handle; - void *address; + __u16 rioid; + __u16 pad0[3]; + __u64 rio_addr; + __u64 length; + __u64 handle; + __u64 address; }; struct rio_dma_mem { - uint64_t length; /* length of DMA memory */ - uint64_t dma_handle; /* handle associated with this memory */ - void *buffer; /* pointer to this memory */ + __u64 length; /* length of DMA memory */ + __u64 dma_handle; /* handle associated with this memory */ + __u64 address; }; - struct rio_event { - unsigned int header; /* event type RIO_DOORBELL or RIO_PORTWRITE */ + __u32 header; /* event type RIO_DOORBELL or RIO_PORTWRITE */ union { struct rio_doorbell doorbell; /* header for RIO_DOORBELL */ struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */ } u; + __u32 pad0; }; enum rio_transfer_sync { @@ -184,35 +188,37 @@ enum rio_exchange { }; struct rio_transfer_io { - uint32_t rioid; /* Target destID */ - uint64_t rio_addr; /* Address in target's RIO mem space */ - enum rio_exchange method; /* Data exchange method */ - void __user *loc_addr; - uint64_t handle; - uint64_t offset; /* Offset in buffer */ - uint64_t length; /* Length in bytes */ - uint32_t completion_code; /* Completion code for this transfer */ + __u64 rio_addr; /* Address in target's RIO mem space */ + __u64 loc_addr; + __u64 handle; + __u64 offset; /* Offset in buffer */ + __u64 length; /* Length in bytes */ + __u16 rioid; /* Target destID */ + __u16 method; /* Data exchange method, one of rio_exchange enum */ + __u32 completion_code; /* Completion code for this transfer */ }; struct rio_transaction { - uint32_t transfer_mode; /* Data transfer mode */ - enum rio_transfer_sync sync; /* Synchronization method */ - enum rio_transfer_dir dir; /* Transfer direction */ - size_t count; /* Number of transfers */ - struct rio_transfer_io __user *block; /* Array of <count> transfers */ + __u64 block; /* Pointer to array of <count> transfers */ + __u32 count; /* Number of transfers */ + __u32 transfer_mode; /* Data transfer mode */ + __u16 sync; /* Synch method, one of rio_transfer_sync enum */ + __u16 dir; /* Transfer direction, one of rio_transfer_dir enum */ + __u32 pad0; }; struct rio_async_tx_wait { - uint32_t token; /* DMA transaction ID token */ - uint32_t timeout; /* Wait timeout in msec, if 0 use default TO */ + __u32 token; /* DMA transaction ID token */ + __u32 timeout; /* Wait timeout in msec, if 0 use default TO */ }; #define RIO_MAX_DEVNAME_SZ 20 struct rio_rdev_info { - uint32_t destid; - uint8_t hopcount; - uint32_t comptag; + __u16 destid; + __u8 hopcount; + __u8 pad0; + __u32 comptag; char name[RIO_MAX_DEVNAME_SZ + 1]; }; @@ -220,11 +226,11 @@ struct rio_rdev_info { #define RIO_MPORT_DRV_MAGIC 'm' #define RIO_MPORT_MAINT_HDID_SET \ - _IOW(RIO_MPORT_DRV_MAGIC, 1, uint16_t) + _IOW(RIO_MPORT_DRV_MAGIC, 1, __u16) #define RIO_MPORT_MAINT_COMPTAG_SET \ - _IOW(RIO_MPORT_DRV_MAGIC, 2, uint32_t) + _IOW(RIO_MPORT_DRV_MAGIC, 2, __u32) #define RIO_MPORT_MAINT_PORT_IDX_GET \ - _IOR(RIO_MPORT_DRV_MAGIC, 3, uint32_t) + _IOR(RIO_MPORT_DRV_MAGIC, 3, __u32) #define RIO_MPORT_GET_PROPERTIES \ _IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties) #define RIO_MPORT_MAINT_READ_LOCAL \ @@ -244,9 +250,9 @@ struct rio_rdev_info { #define RIO_DISABLE_PORTWRITE_RANGE \ _IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter) #define RIO_SET_EVENT_MASK \ - _IOW(RIO_MPORT_DRV_MAGIC, 13, unsigned int) + _IOW(RIO_MPORT_DRV_MAGIC, 13, __u32) #define RIO_GET_EVENT_MASK \ - _IOR(RIO_MPORT_DRV_MAGIC, 14, unsigned int) + _IOR(RIO_MPORT_DRV_MAGIC, 14, __u32) #define RIO_MAP_OUTBOUND \ _IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap) #define RIO_UNMAP_OUTBOUND \ @@ -254,11 +260,11 @@ struct rio_rdev_info { #define RIO_MAP_INBOUND \ _IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap) #define RIO_UNMAP_INBOUND \ - _IOW(RIO_MPORT_DRV_MAGIC, 18, uint64_t) + _IOW(RIO_MPORT_DRV_MAGIC, 18, __u64) #define RIO_ALLOC_DMA \ _IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem) #define RIO_FREE_DMA \ - _IOW(RIO_MPORT_DRV_MAGIC, 20, uint64_t) + _IOW(RIO_MPORT_DRV_MAGIC, 20, __u64) #define RIO_TRANSFER \ _IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction) #define RIO_WAIT_FOR_ASYNC \ diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h index 3f10e5317b46..8f3a8f606fd9 100644 --- a/include/uapi/linux/swab.h +++ b/include/uapi/linux/swab.h @@ -45,9 +45,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) { -#ifdef __HAVE_BUILTIN_BSWAP16__ - return __builtin_bswap16(val); -#elif defined (__arch_swab16) +#if defined (__arch_swab16) return __arch_swab16(val); #else return ___constant_swab16(val); @@ -56,9 +54,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) static inline __attribute_const__ __u32 __fswab32(__u32 val) { -#ifdef __HAVE_BUILTIN_BSWAP32__ - return __builtin_bswap32(val); -#elif defined(__arch_swab32) +#if defined(__arch_swab32) return __arch_swab32(val); #else return ___constant_swab32(val); @@ -67,9 +63,7 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val) static inline __attribute_const__ __u64 __fswab64(__u64 val) { -#ifdef __HAVE_BUILTIN_BSWAP64__ - return __builtin_bswap64(val); -#elif defined (__arch_swab64) +#if defined (__arch_swab64) return __arch_swab64(val); #elif defined(__SWAB_64_THRU_32__) __u32 h = val >> 32; @@ -102,28 +96,40 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val) * __swab16 - return a byteswapped 16-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP16__ +#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) +#else #define __swab16(x) \ (__builtin_constant_p((__u16)(x)) ? \ ___constant_swab16(x) : \ __fswab16(x)) +#endif /** * __swab32 - return a byteswapped 32-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP32__ +#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) +#else #define __swab32(x) \ (__builtin_constant_p((__u32)(x)) ? \ ___constant_swab32(x) : \ __fswab32(x)) +#endif /** * __swab64 - return a byteswapped 64-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP64__ +#define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) +#else #define __swab64(x) \ (__builtin_constant_p((__u64)(x)) ? \ ___constant_swab64(x) : \ __fswab64(x)) +#endif /** * __swahw32 - return a word-swapped 32-bit value diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index d5ce71607972..a8acc24765fe 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -105,6 +105,13 @@ #define USB_REQ_LOOPBACK_DATA_READ 0x16 #define USB_REQ_SET_INTERFACE_DS 0x17 +/* specific requests for USB Power Delivery */ +#define USB_REQ_GET_PARTNER_PDO 20 +#define USB_REQ_GET_BATTERY_STATUS 21 +#define USB_REQ_SET_PDO 22 +#define USB_REQ_GET_VDM 23 +#define USB_REQ_SEND_VDM 24 + /* The Link Power Management (LPM) ECN defines USB_REQ_TEST_AND_SET command, * used by hubs to put ports into a new L1 suspend state, except that it * forgot to define its number ... @@ -165,6 +172,22 @@ #define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */ #define USB_DEV_STAT_LTM_ENABLED 4 /* Latency tolerance messages */ +/* + * Feature selectors from Table 9-8 USB Power Delivery spec + */ +#define USB_DEVICE_BATTERY_WAKE_MASK 40 +#define USB_DEVICE_OS_IS_PD_AWARE 41 +#define USB_DEVICE_POLICY_MODE 42 +#define USB_PORT_PR_SWAP 43 +#define USB_PORT_GOTO_MIN 44 +#define USB_PORT_RETURN_POWER 45 +#define USB_PORT_ACCEPT_PD_REQUEST 46 +#define USB_PORT_REJECT_PD_REQUEST 47 +#define USB_PORT_PORT_PD_RESET 48 +#define USB_PORT_C_PORT_PD_CHANGE 49 +#define USB_PORT_CABLE_PD_RESET 50 +#define USB_DEVICE_CHARGING_POLICY 54 + /** * struct usb_ctrlrequest - SETUP data for a USB device control request * @bRequestType: matches the USB bmRequestType field @@ -914,6 +937,104 @@ struct usb_ssp_cap_descriptor { } __attribute__((packed)); /* + * USB Power Delivery Capability Descriptor: + * Defines capabilities for PD + */ +/* Defines the various PD Capabilities of this device */ +#define USB_PD_POWER_DELIVERY_CAPABILITY 0x06 +/* Provides information on each battery supported by the device */ +#define USB_PD_BATTERY_INFO_CAPABILITY 0x07 +/* The Consumer characteristics of a Port on the device */ +#define USB_PD_PD_CONSUMER_PORT_CAPABILITY 0x08 +/* The provider characteristics of a Port on the device */ +#define USB_PD_PD_PROVIDER_PORT_CAPABILITY 0x09 + +struct usb_pd_cap_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; /* set to USB_PD_POWER_DELIVERY_CAPABILITY */ + __u8 bReserved; + __le32 bmAttributes; +#define USB_PD_CAP_BATTERY_CHARGING (1 << 1) /* supports Battery Charging specification */ +#define USB_PD_CAP_USB_PD (1 << 2) /* supports USB Power Delivery specification */ +#define USB_PD_CAP_PROVIDER (1 << 3) /* can provide power */ +#define USB_PD_CAP_CONSUMER (1 << 4) /* can consume power */ +#define USB_PD_CAP_CHARGING_POLICY (1 << 5) /* supports CHARGING_POLICY feature */ +#define USB_PD_CAP_TYPE_C_CURRENT (1 << 6) /* supports power capabilities defined in the USB Type-C Specification */ + +#define USB_PD_CAP_PWR_AC (1 << 8) +#define USB_PD_CAP_PWR_BAT (1 << 9) +#define USB_PD_CAP_PWR_USE_V_BUS (1 << 14) + + __le16 bmProviderPorts; /* Bit zero refers to the UFP of the device */ + __le16 bmConsumerPorts; + __le16 bcdBCVersion; + __le16 bcdPDVersion; + __le16 bcdUSBTypeCVersion; +} __attribute__((packed)); + +struct usb_pd_cap_battery_info_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + /* Index of string descriptor shall contain the user friendly name for this battery */ + __u8 iBattery; + /* Index of string descriptor shall contain the Serial Number String for this battery */ + __u8 iSerial; + __u8 iManufacturer; + __u8 bBatteryId; /* uniquely identifies this battery in status Messages */ + __u8 bReserved; + /* + * Shall contain the Battery Charge value above which this + * battery is considered to be fully charged but not necessarily + * “topped off.” + */ + __le32 dwChargedThreshold; /* in mWh */ + /* + * Shall contain the minimum charge level of this battery such + * that above this threshold, a device can be assured of being + * able to power up successfully (see Battery Charging 1.2). + */ + __le32 dwWeakThreshold; /* in mWh */ + __le32 dwBatteryDesignCapacity; /* in mWh */ + __le32 dwBatteryLastFullchargeCapacity; /* in mWh */ +} __attribute__((packed)); + +struct usb_pd_cap_consumer_port_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bReserved; + __u8 bmCapabilities; +/* port will oerate under: */ +#define USB_PD_CAP_CONSUMER_BC (1 << 0) /* BC */ +#define USB_PD_CAP_CONSUMER_PD (1 << 1) /* PD */ +#define USB_PD_CAP_CONSUMER_TYPE_C (1 << 2) /* USB Type-C Current */ + __le16 wMinVoltage; /* in 50mV units */ + __le16 wMaxVoltage; /* in 50mV units */ + __u16 wReserved; + __le32 dwMaxOperatingPower; /* in 10 mW - operating at steady state */ + __le32 dwMaxPeakPower; /* in 10mW units - operating at peak power */ + __le32 dwMaxPeakPowerTime; /* in 100ms units - duration of peak */ +#define USB_PD_CAP_CONSUMER_UNKNOWN_PEAK_POWER_TIME 0xffff +} __attribute__((packed)); + +struct usb_pd_cap_provider_port_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bReserved1; + __u8 bmCapabilities; +/* port will oerate under: */ +#define USB_PD_CAP_PROVIDER_BC (1 << 0) /* BC */ +#define USB_PD_CAP_PROVIDER_PD (1 << 1) /* PD */ +#define USB_PD_CAP_PROVIDER_TYPE_C (1 << 2) /* USB Type-C Current */ + __u8 bNumOfPDObjects; + __u8 bReserved2; + __le32 wPowerDataObject[]; +} __attribute__((packed)); + +/* * Precision time measurement capability descriptor: advertised by devices and * hubs that support PTM */ diff --git a/include/uapi/linux/v4l2-dv-timings.h b/include/uapi/linux/v4l2-dv-timings.h index c039f1d68a09..086168e18ca8 100644 --- a/include/uapi/linux/v4l2-dv-timings.h +++ b/include/uapi/linux/v4l2-dv-timings.h @@ -183,7 +183,8 @@ #define V4L2_DV_BT_CEA_3840X2160P24 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 1276, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ @@ -191,14 +192,16 @@ #define V4L2_DV_BT_CEA_3840X2160P25 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \ } #define V4L2_DV_BT_CEA_3840X2160P30 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ @@ -206,14 +209,16 @@ #define V4L2_DV_BT_CEA_3840X2160P50 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 594000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \ } #define V4L2_DV_BT_CEA_3840X2160P60 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 594000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ @@ -221,7 +226,8 @@ #define V4L2_DV_BT_CEA_4096X2160P24 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 1020, 88, 296, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ @@ -229,14 +235,16 @@ #define V4L2_DV_BT_CEA_4096X2160P25 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \ } #define V4L2_DV_BT_CEA_4096X2160P30 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 297000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ @@ -244,14 +252,16 @@ #define V4L2_DV_BT_CEA_4096X2160P50 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 594000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \ } #define V4L2_DV_BT_CEA_4096X2160P60 { \ .type = V4L2_DV_BT_656_1120, \ - V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \ + V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \ + V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \ 594000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \ V4L2_DV_BT_STD_CEA861, \ V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \ diff --git a/include/xen/page.h b/include/xen/page.h index 96294ac93755..9dc46cb8a0fd 100644 --- a/include/xen/page.h +++ b/include/xen/page.h @@ -15,9 +15,9 @@ */ #define xen_pfn_to_page(xen_pfn) \ - ((pfn_to_page(((unsigned long)(xen_pfn) << XEN_PAGE_SHIFT) >> PAGE_SHIFT))) + (pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT))) #define page_to_xen_pfn(page) \ - (((page_to_pfn(page)) << PAGE_SHIFT) >> XEN_PAGE_SHIFT) + ((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT)) #define XEN_PFN_PER_PAGE (PAGE_SIZE / XEN_PAGE_SIZE) diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index f2ece3c174a5..8f94ca1860cf 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -31,10 +31,10 @@ static void *bpf_any_get(void *raw, enum bpf_type type) { switch (type) { case BPF_TYPE_PROG: - atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt); + raw = bpf_prog_inc(raw); break; case BPF_TYPE_MAP: - bpf_map_inc(raw, true); + raw = bpf_map_inc(raw, true); break; default: WARN_ON_ONCE(1); @@ -297,7 +297,8 @@ static void *bpf_obj_do_get(const struct filename *pathname, goto out; raw = bpf_any_get(inode->i_private, *type); - touch_atime(&path); + if (!IS_ERR(raw)) + touch_atime(&path); path_put(&path); return raw; diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index adc5e4bd74f8..cf5e9f7ad13a 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -218,11 +218,18 @@ struct bpf_map *__bpf_map_get(struct fd f) return f.file->private_data; } -void bpf_map_inc(struct bpf_map *map, bool uref) +/* prog's and map's refcnt limit */ +#define BPF_MAX_REFCNT 32768 + +struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref) { - atomic_inc(&map->refcnt); + if (atomic_inc_return(&map->refcnt) > BPF_MAX_REFCNT) { + atomic_dec(&map->refcnt); + return ERR_PTR(-EBUSY); + } if (uref) atomic_inc(&map->usercnt); + return map; } struct bpf_map *bpf_map_get_with_uref(u32 ufd) @@ -234,7 +241,7 @@ struct bpf_map *bpf_map_get_with_uref(u32 ufd) if (IS_ERR(map)) return map; - bpf_map_inc(map, true); + map = bpf_map_inc(map, true); fdput(f); return map; @@ -658,6 +665,15 @@ static struct bpf_prog *__bpf_prog_get(struct fd f) return f.file->private_data; } +struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog) +{ + if (atomic_inc_return(&prog->aux->refcnt) > BPF_MAX_REFCNT) { + atomic_dec(&prog->aux->refcnt); + return ERR_PTR(-EBUSY); + } + return prog; +} + /* called by sockets/tracing/seccomp before attaching program to an event * pairs with bpf_prog_put() */ @@ -670,7 +686,7 @@ struct bpf_prog *bpf_prog_get(u32 ufd) if (IS_ERR(prog)) return prog; - atomic_inc(&prog->aux->refcnt); + prog = bpf_prog_inc(prog); fdput(f); return prog; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 618ef77c302a..c5c17a62f509 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -239,16 +239,6 @@ static const char * const reg_type_str[] = { [CONST_IMM] = "imm", }; -static const struct { - int map_type; - int func_id; -} func_limit[] = { - {BPF_MAP_TYPE_PROG_ARRAY, BPF_FUNC_tail_call}, - {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_read}, - {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_output}, - {BPF_MAP_TYPE_STACK_TRACE, BPF_FUNC_get_stackid}, -}; - static void print_verifier_state(struct verifier_env *env) { enum bpf_reg_type t; @@ -921,27 +911,52 @@ static int check_func_arg(struct verifier_env *env, u32 regno, static int check_map_func_compatibility(struct bpf_map *map, int func_id) { - bool bool_map, bool_func; - int i; - if (!map) return 0; - for (i = 0; i < ARRAY_SIZE(func_limit); i++) { - bool_map = (map->map_type == func_limit[i].map_type); - bool_func = (func_id == func_limit[i].func_id); - /* only when map & func pair match it can continue. - * don't allow any other map type to be passed into - * the special func; - */ - if (bool_func && bool_map != bool_func) { - verbose("cannot pass map_type %d into func %d\n", - map->map_type, func_id); - return -EINVAL; - } + /* We need a two way check, first is from map perspective ... */ + switch (map->map_type) { + case BPF_MAP_TYPE_PROG_ARRAY: + if (func_id != BPF_FUNC_tail_call) + goto error; + break; + case BPF_MAP_TYPE_PERF_EVENT_ARRAY: + if (func_id != BPF_FUNC_perf_event_read && + func_id != BPF_FUNC_perf_event_output) + goto error; + break; + case BPF_MAP_TYPE_STACK_TRACE: + if (func_id != BPF_FUNC_get_stackid) + goto error; + break; + default: + break; + } + + /* ... and second from the function itself. */ + switch (func_id) { + case BPF_FUNC_tail_call: + if (map->map_type != BPF_MAP_TYPE_PROG_ARRAY) + goto error; + break; + case BPF_FUNC_perf_event_read: + case BPF_FUNC_perf_event_output: + if (map->map_type != BPF_MAP_TYPE_PERF_EVENT_ARRAY) + goto error; + break; + case BPF_FUNC_get_stackid: + if (map->map_type != BPF_MAP_TYPE_STACK_TRACE) + goto error; + break; + default: + break; } return 0; +error: + verbose("cannot pass map_type %d into func %d\n", + map->map_type, func_id); + return -EINVAL; } static int check_call(struct verifier_env *env, int func_id) @@ -2030,7 +2045,6 @@ static int replace_map_fd_with_map_ptr(struct verifier_env *env) if (IS_ERR(map)) { verbose("fd %d is not pointing to valid bpf_map\n", insn->imm); - fdput(f); return PTR_ERR(map); } @@ -2050,15 +2064,18 @@ static int replace_map_fd_with_map_ptr(struct verifier_env *env) return -E2BIG; } - /* remember this map */ - env->used_maps[env->used_map_cnt++] = map; - /* hold the map. If the program is rejected by verifier, * the map will be released by release_maps() or it * will be used by the valid program until it's unloaded * and all maps are released in free_bpf_prog_info() */ - bpf_map_inc(map, false); + map = bpf_map_inc(map, false); + if (IS_ERR(map)) { + fdput(f); + return PTR_ERR(map); + } + env->used_maps[env->used_map_cnt++] = map; + fdput(f); next_insn: insn++; diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 671dc05c0b0f..909a7d31ffd3 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2825,9 +2825,10 @@ static ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off, bool threadgroup) { struct task_struct *tsk; + struct cgroup_subsys *ss; struct cgroup *cgrp; pid_t pid; - int ret; + int ssid, ret; if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0) return -EINVAL; @@ -2875,8 +2876,10 @@ out_unlock_rcu: rcu_read_unlock(); out_unlock_threadgroup: percpu_up_write(&cgroup_threadgroup_rwsem); + for_each_subsys(ss, ssid) + if (ss->post_attach) + ss->post_attach(); cgroup_kn_unlock(of->kn); - cpuset_post_attach_flush(); return ret ?: nbytes; } diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 00ab5c2b7c5b..1902956baba1 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -58,7 +58,6 @@ #include <asm/uaccess.h> #include <linux/atomic.h> #include <linux/mutex.h> -#include <linux/workqueue.h> #include <linux/cgroup.h> #include <linux/wait.h> @@ -1016,7 +1015,7 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from, } } -void cpuset_post_attach_flush(void) +static void cpuset_post_attach(void) { flush_workqueue(cpuset_migrate_mm_wq); } @@ -2087,6 +2086,7 @@ struct cgroup_subsys cpuset_cgrp_subsys = { .can_attach = cpuset_can_attach, .cancel_attach = cpuset_cancel_attach, .attach = cpuset_attach, + .post_attach = cpuset_post_attach, .bind = cpuset_bind, .legacy_cftypes = files, .early_init = true, diff --git a/kernel/events/core.c b/kernel/events/core.c index 52bedc5a5aaa..4e2ebf6f2f1f 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -412,7 +412,8 @@ int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write, if (ret || !write) return ret; - if (sysctl_perf_cpu_time_max_percent == 100) { + if (sysctl_perf_cpu_time_max_percent == 100 || + sysctl_perf_cpu_time_max_percent == 0) { printk(KERN_WARNING "perf: Dynamic interrupt throttling disabled, can hang your system!\n"); WRITE_ONCE(perf_sample_allowed_ns, 0); @@ -1105,6 +1106,7 @@ static void put_ctx(struct perf_event_context *ctx) * function. * * Lock order: + * cred_guard_mutex * task_struct::perf_event_mutex * perf_event_context::mutex * perf_event::child_mutex; @@ -3420,7 +3422,6 @@ static struct task_struct * find_lively_task_by_vpid(pid_t vpid) { struct task_struct *task; - int err; rcu_read_lock(); if (!vpid) @@ -3434,16 +3435,7 @@ find_lively_task_by_vpid(pid_t vpid) if (!task) return ERR_PTR(-ESRCH); - /* Reuse ptrace permission checks for now. */ - err = -EACCES; - if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS)) - goto errout; - return task; -errout: - put_task_struct(task); - return ERR_PTR(err); - } /* @@ -8413,6 +8405,24 @@ SYSCALL_DEFINE5(perf_event_open, get_online_cpus(); + if (task) { + err = mutex_lock_interruptible(&task->signal->cred_guard_mutex); + if (err) + goto err_cpus; + + /* + * Reuse ptrace permission checks for now. + * + * We must hold cred_guard_mutex across this and any potential + * perf_install_in_context() call for this new event to + * serialize against exec() altering our credentials (and the + * perf_event_exit_task() that could imply). + */ + err = -EACCES; + if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS)) + goto err_cred; + } + if (flags & PERF_FLAG_PID_CGROUP) cgroup_fd = pid; @@ -8420,7 +8430,7 @@ SYSCALL_DEFINE5(perf_event_open, NULL, NULL, cgroup_fd); if (IS_ERR(event)) { err = PTR_ERR(event); - goto err_cpus; + goto err_cred; } if (is_sampling_event(event)) { @@ -8479,11 +8489,6 @@ SYSCALL_DEFINE5(perf_event_open, goto err_context; } - if (task) { - put_task_struct(task); - task = NULL; - } - /* * Look up the group leader (we will attach this event to it): */ @@ -8581,6 +8586,11 @@ SYSCALL_DEFINE5(perf_event_open, WARN_ON_ONCE(ctx->parent_ctx); + /* + * This is the point on no return; we cannot fail hereafter. This is + * where we start modifying current state. + */ + if (move_group) { /* * See perf_event_ctx_lock() for comments on the details @@ -8652,6 +8662,11 @@ SYSCALL_DEFINE5(perf_event_open, mutex_unlock(&gctx->mutex); mutex_unlock(&ctx->mutex); + if (task) { + mutex_unlock(&task->signal->cred_guard_mutex); + put_task_struct(task); + } + put_online_cpus(); mutex_lock(¤t->perf_event_mutex); @@ -8684,6 +8699,9 @@ err_alloc: */ if (!event_file) free_event(event); +err_cred: + if (task) + mutex_unlock(&task->signal->cred_guard_mutex); err_cpus: put_online_cpus(); err_task: @@ -8968,6 +8986,9 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn) /* * When a child task exits, feed back event values to parent events. + * + * Can be called with cred_guard_mutex held when called from + * install_exec_creds(). */ void perf_event_exit_task(struct task_struct *child) { diff --git a/kernel/kcov.c b/kernel/kcov.c index 3efbee0834a8..a02f2dddd1d7 100644 --- a/kernel/kcov.c +++ b/kernel/kcov.c @@ -1,5 +1,6 @@ #define pr_fmt(fmt) "kcov: " fmt +#define DISABLE_BRANCH_PROFILING #include <linux/compiler.h> #include <linux/types.h> #include <linux/file.h> @@ -43,7 +44,7 @@ struct kcov { * Entry point from instrumented code. * This is called once per basic-block/edge. */ -void __sanitizer_cov_trace_pc(void) +void notrace __sanitizer_cov_trace_pc(void) { struct task_struct *t; enum kcov_mode mode; diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 8d34308ea449..1391d3ee3b86 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -1415,6 +1415,9 @@ static int __init crash_save_vmcoreinfo_init(void) VMCOREINFO_OFFSET(page, lru); VMCOREINFO_OFFSET(page, _mapcount); VMCOREINFO_OFFSET(page, private); + VMCOREINFO_OFFSET(page, compound_dtor); + VMCOREINFO_OFFSET(page, compound_order); + VMCOREINFO_OFFSET(page, compound_head); VMCOREINFO_OFFSET(pglist_data, node_zones); VMCOREINFO_OFFSET(pglist_data, nr_zones); #ifdef CONFIG_FLAT_NODE_MEM_MAP @@ -1447,8 +1450,8 @@ static int __init crash_save_vmcoreinfo_init(void) #ifdef CONFIG_X86 VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE); #endif -#ifdef CONFIG_HUGETLBFS - VMCOREINFO_SYMBOL(free_huge_page); +#ifdef CONFIG_HUGETLB_PAGE + VMCOREINFO_NUMBER(HUGETLB_PAGE_DTOR); #endif arch_crash_save_vmcoreinfo(); diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index ed9410936a22..78c1c0ee6dc1 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -2176,15 +2176,37 @@ cache_hit: chain->irq_context = hlock->irq_context; i = get_first_held_lock(curr, hlock); chain->depth = curr->lockdep_depth + 1 - i; + + BUILD_BUG_ON((1UL << 24) <= ARRAY_SIZE(chain_hlocks)); + BUILD_BUG_ON((1UL << 6) <= ARRAY_SIZE(curr->held_locks)); + BUILD_BUG_ON((1UL << 8*sizeof(chain_hlocks[0])) <= ARRAY_SIZE(lock_classes)); + if (likely(nr_chain_hlocks + chain->depth <= MAX_LOCKDEP_CHAIN_HLOCKS)) { chain->base = nr_chain_hlocks; - nr_chain_hlocks += chain->depth; for (j = 0; j < chain->depth - 1; j++, i++) { int lock_id = curr->held_locks[i].class_idx - 1; chain_hlocks[chain->base + j] = lock_id; } chain_hlocks[chain->base + j] = class - lock_classes; } + + if (nr_chain_hlocks < MAX_LOCKDEP_CHAIN_HLOCKS) + nr_chain_hlocks += chain->depth; + +#ifdef CONFIG_DEBUG_LOCKDEP + /* + * Important for check_no_collision(). + */ + if (unlikely(nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)) { + if (debug_locks_off_graph_unlock()) + return 0; + + print_lockdep_off("BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!"); + dump_stack(); + return 0; + } +#endif + hlist_add_head_rcu(&chain->entry, hash_head); debug_atomic_inc(chain_lookup_misses); inc_chains(); @@ -2932,6 +2954,11 @@ static int mark_irqflags(struct task_struct *curr, struct held_lock *hlock) return 1; } +static inline unsigned int task_irq_context(struct task_struct *task) +{ + return 2 * !!task->hardirq_context + !!task->softirq_context; +} + static int separate_irq_context(struct task_struct *curr, struct held_lock *hlock) { @@ -2940,8 +2967,6 @@ static int separate_irq_context(struct task_struct *curr, /* * Keep track of points where we cross into an interrupt context: */ - hlock->irq_context = 2*(curr->hardirq_context ? 1 : 0) + - curr->softirq_context; if (depth) { struct held_lock *prev_hlock; @@ -2973,6 +2998,11 @@ static inline int mark_irqflags(struct task_struct *curr, return 1; } +static inline unsigned int task_irq_context(struct task_struct *task) +{ + return 0; +} + static inline int separate_irq_context(struct task_struct *curr, struct held_lock *hlock) { @@ -3241,6 +3271,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, hlock->acquire_ip = ip; hlock->instance = lock; hlock->nest_lock = nest_lock; + hlock->irq_context = task_irq_context(curr); hlock->trylock = trylock; hlock->read = read; hlock->check = check; diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c index dbb61a302548..a0f61effad25 100644 --- a/kernel/locking/lockdep_proc.c +++ b/kernel/locking/lockdep_proc.c @@ -141,6 +141,8 @@ static int lc_show(struct seq_file *m, void *v) int i; if (v == SEQ_START_TOKEN) { + if (nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS) + seq_printf(m, "(buggered) "); seq_printf(m, "all lock chains:\n"); return 0; } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8b489fcac37b..d1f7149f8704 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -596,17 +596,8 @@ bool sched_can_stop_tick(struct rq *rq) return false; /* - * FIFO realtime policy runs the highest priority task (after DEADLINE). - * Other runnable tasks are of a lower priority. The scheduler tick - * isn't needed. - */ - fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running; - if (fifo_nr_running) - return true; - - /* - * Round-robin realtime tasks time slice with other tasks at the same - * realtime priority. + * If there are more than one RR tasks, we need the tick to effect the + * actual RR behaviour. */ if (rq->rt.rr_nr_running) { if (rq->rt.rr_nr_running == 1) @@ -615,8 +606,20 @@ bool sched_can_stop_tick(struct rq *rq) return false; } - /* Normal multitasking need periodic preemption checks */ - if (rq->cfs.nr_running > 1) + /* + * If there's no RR tasks, but FIFO tasks, we can skip the tick, no + * forced preemption between FIFO tasks. + */ + fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running; + if (fifo_nr_running) + return true; + + /* + * If there are no DL,RR/FIFO tasks, there must only be CFS tasks left; + * if there's more than one we need the tick for involuntary + * preemption. + */ + if (rq->nr_running > 1) return false; return true; diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 05ddc0820771..6f965864cc02 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -2095,8 +2095,13 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file) trace_create_file("filter", 0644, file->dir, file, &ftrace_event_filter_fops); - trace_create_file("trigger", 0644, file->dir, file, - &event_trigger_fops); + /* + * Only event directories that can be enabled should have + * triggers. + */ + if (!(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE)) + trace_create_file("trigger", 0644, file->dir, file, + &event_trigger_fops); trace_create_file("format", 0444, file->dir, call, &ftrace_event_format_fops); diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 2232ae3e3ad6..3bfdff06eea7 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -666,6 +666,35 @@ static void set_work_pool_and_clear_pending(struct work_struct *work, */ smp_wmb(); set_work_data(work, (unsigned long)pool_id << WORK_OFFQ_POOL_SHIFT, 0); + /* + * The following mb guarantees that previous clear of a PENDING bit + * will not be reordered with any speculative LOADS or STORES from + * work->current_func, which is executed afterwards. This possible + * reordering can lead to a missed execution on attempt to qeueue + * the same @work. E.g. consider this case: + * + * CPU#0 CPU#1 + * ---------------------------- -------------------------------- + * + * 1 STORE event_indicated + * 2 queue_work_on() { + * 3 test_and_set_bit(PENDING) + * 4 } set_..._and_clear_pending() { + * 5 set_work_data() # clear bit + * 6 smp_mb() + * 7 work->current_func() { + * 8 LOAD event_indicated + * } + * + * Without an explicit full barrier speculative LOAD on line 8 can + * be executed before CPU#0 does STORE on line 1. If that happens, + * CPU#0 observes the PENDING bit is still set and new execution of + * a @work is not queued in a hope, that CPU#1 will eventually + * finish the queued @work. Meanwhile CPU#1 does not see + * event_indicated is set, because speculative LOAD was executed + * before actual STORE. + */ + smp_mb(); } static void clear_work_data(struct work_struct *work) diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 654c9d87e83a..53ad6c0831ae 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -42,12 +42,14 @@ #define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8) +#define STACK_ALLOC_NULL_PROTECTION_BITS 1 #define STACK_ALLOC_ORDER 2 /* 'Slab' size order for stack depot, 4 pages */ #define STACK_ALLOC_SIZE (1LL << (PAGE_SHIFT + STACK_ALLOC_ORDER)) #define STACK_ALLOC_ALIGN 4 #define STACK_ALLOC_OFFSET_BITS (STACK_ALLOC_ORDER + PAGE_SHIFT - \ STACK_ALLOC_ALIGN) -#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - STACK_ALLOC_OFFSET_BITS) +#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - \ + STACK_ALLOC_NULL_PROTECTION_BITS - STACK_ALLOC_OFFSET_BITS) #define STACK_ALLOC_SLABS_CAP 1024 #define STACK_ALLOC_MAX_SLABS \ (((1LL << (STACK_ALLOC_INDEX_BITS)) < STACK_ALLOC_SLABS_CAP) ? \ @@ -59,6 +61,7 @@ union handle_parts { struct { u32 slabindex : STACK_ALLOC_INDEX_BITS; u32 offset : STACK_ALLOC_OFFSET_BITS; + u32 valid : STACK_ALLOC_NULL_PROTECTION_BITS; }; }; @@ -136,6 +139,7 @@ static struct stack_record *depot_alloc_stack(unsigned long *entries, int size, stack->size = size; stack->handle.slabindex = depot_index; stack->handle.offset = depot_offset >> STACK_ALLOC_ALIGN; + stack->handle.valid = 1; memcpy(stack->entries, entries, size * sizeof(unsigned long)); depot_offset += required_size; @@ -210,10 +214,6 @@ depot_stack_handle_t depot_save_stack(struct stack_trace *trace, goto fast_exit; hash = hash_stack(trace->entries, trace->nr_entries); - /* Bad luck, we won't store this stack. */ - if (hash == 0) - goto exit; - bucket = &stack_table[hash & STACK_HASH_MASK]; /* diff --git a/mm/compaction.c b/mm/compaction.c index ccf97b02b85f..8fa254043801 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -852,16 +852,8 @@ isolate_migratepages_range(struct compact_control *cc, unsigned long start_pfn, pfn = isolate_migratepages_block(cc, pfn, block_end_pfn, ISOLATE_UNEVICTABLE); - /* - * In case of fatal failure, release everything that might - * have been isolated in the previous iteration, and signal - * the failure back to caller. - */ - if (!pfn) { - putback_movable_pages(&cc->migratepages); - cc->nr_migratepages = 0; + if (!pfn) break; - } if (cc->nr_migratepages == COMPACT_CLUSTER_MAX) break; @@ -1741,7 +1733,7 @@ void compaction_unregister_node(struct node *node) static inline bool kcompactd_work_requested(pg_data_t *pgdat) { - return pgdat->kcompactd_max_order > 0; + return pgdat->kcompactd_max_order > 0 || kthread_should_stop(); } static bool kcompactd_node_suitable(pg_data_t *pgdat) @@ -1805,6 +1797,8 @@ static void kcompactd_do_work(pg_data_t *pgdat) INIT_LIST_HEAD(&cc.freepages); INIT_LIST_HEAD(&cc.migratepages); + if (kthread_should_stop()) + return; status = compact_zone(zone, &cc); if (zone_watermark_ok(zone, cc.order, low_wmark_pages(zone), diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 86f9f8b82f8e..f7daa7de8f48 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -232,7 +232,7 @@ retry: return READ_ONCE(huge_zero_page); } -static void put_huge_zero_page(void) +void put_huge_zero_page(void) { /* * Counter should never go to zero here. Only shrinker can put @@ -1684,12 +1684,12 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, if (vma_is_dax(vma)) { spin_unlock(ptl); if (is_huge_zero_pmd(orig_pmd)) - put_huge_zero_page(); + tlb_remove_page(tlb, pmd_page(orig_pmd)); } else if (is_huge_zero_pmd(orig_pmd)) { pte_free(tlb->mm, pgtable_trans_huge_withdraw(tlb->mm, pmd)); atomic_long_dec(&tlb->mm->nr_ptes); spin_unlock(ptl); - put_huge_zero_page(); + tlb_remove_page(tlb, pmd_page(orig_pmd)); } else { struct page *page = pmd_page(orig_pmd); page_remove_rmap(page, true); @@ -1960,10 +1960,9 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma, * page fault if needed. */ return 0; - if (vma->vm_ops) + if (vma->vm_ops || (vm_flags & VM_NO_THP)) /* khugepaged not yet working on file or special mappings */ return 0; - VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma); hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK; hend = vma->vm_end & HPAGE_PMD_MASK; if (hstart < hend) @@ -2352,8 +2351,7 @@ static bool hugepage_vma_check(struct vm_area_struct *vma) return false; if (is_vma_temporary_stack(vma)) return false; - VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma); - return true; + return !(vma->vm_flags & VM_NO_THP); } static void collapse_huge_page(struct mm_struct *mm, @@ -3454,7 +3452,7 @@ next: } } - pr_info("%lu of %lu THP split", split, total); + pr_info("%lu of %lu THP split\n", split, total); return 0; } @@ -3465,7 +3463,7 @@ static int __init split_huge_pages_debugfs(void) { void *ret; - ret = debugfs_create_file("split_huge_pages", 0644, NULL, NULL, + ret = debugfs_create_file("split_huge_pages", 0200, NULL, NULL, &split_huge_pages_fops); if (!ret) pr_warn("Failed to create split_huge_pages in debugfs"); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 36db05fa8acb..fe787f5c41bd 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -207,6 +207,7 @@ static void mem_cgroup_oom_notify(struct mem_cgroup *memcg); /* "mc" and its members are protected by cgroup_mutex */ static struct move_charge_struct { spinlock_t lock; /* for from, to */ + struct mm_struct *mm; struct mem_cgroup *from; struct mem_cgroup *to; unsigned long flags; @@ -4667,6 +4668,8 @@ static void __mem_cgroup_clear_mc(void) static void mem_cgroup_clear_mc(void) { + struct mm_struct *mm = mc.mm; + /* * we must clear moving_task before waking up waiters at the end of * task migration. @@ -4676,7 +4679,10 @@ static void mem_cgroup_clear_mc(void) spin_lock(&mc.lock); mc.from = NULL; mc.to = NULL; + mc.mm = NULL; spin_unlock(&mc.lock); + + mmput(mm); } static int mem_cgroup_can_attach(struct cgroup_taskset *tset) @@ -4733,6 +4739,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) VM_BUG_ON(mc.moved_swap); spin_lock(&mc.lock); + mc.mm = mm; mc.from = from; mc.to = memcg; mc.flags = move_flags; @@ -4742,8 +4749,9 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) ret = mem_cgroup_precharge_mc(mm); if (ret) mem_cgroup_clear_mc(); + } else { + mmput(mm); } - mmput(mm); return ret; } @@ -4852,11 +4860,11 @@ put: /* get_mctgt_type() gets the page */ return ret; } -static void mem_cgroup_move_charge(struct mm_struct *mm) +static void mem_cgroup_move_charge(void) { struct mm_walk mem_cgroup_move_charge_walk = { .pmd_entry = mem_cgroup_move_charge_pte_range, - .mm = mm, + .mm = mc.mm, }; lru_add_drain_all(); @@ -4868,7 +4876,7 @@ static void mem_cgroup_move_charge(struct mm_struct *mm) atomic_inc(&mc.from->moving_account); synchronize_rcu(); retry: - if (unlikely(!down_read_trylock(&mm->mmap_sem))) { + if (unlikely(!down_read_trylock(&mc.mm->mmap_sem))) { /* * Someone who are holding the mmap_sem might be waiting in * waitq. So we cancel all extra charges, wake up all waiters, @@ -4885,23 +4893,16 @@ retry: * additional charge, the page walk just aborts. */ walk_page_range(0, ~0UL, &mem_cgroup_move_charge_walk); - up_read(&mm->mmap_sem); + up_read(&mc.mm->mmap_sem); atomic_dec(&mc.from->moving_account); } -static void mem_cgroup_move_task(struct cgroup_taskset *tset) +static void mem_cgroup_move_task(void) { - struct cgroup_subsys_state *css; - struct task_struct *p = cgroup_taskset_first(tset, &css); - struct mm_struct *mm = get_task_mm(p); - - if (mm) { - if (mc.to) - mem_cgroup_move_charge(mm); - mmput(mm); - } - if (mc.to) + if (mc.to) { + mem_cgroup_move_charge(); mem_cgroup_clear_mc(); + } } #else /* !CONFIG_MMU */ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) @@ -4911,7 +4912,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) { } -static void mem_cgroup_move_task(struct cgroup_taskset *tset) +static void mem_cgroup_move_task(void) { } #endif @@ -5195,7 +5196,7 @@ struct cgroup_subsys memory_cgrp_subsys = { .css_reset = mem_cgroup_css_reset, .can_attach = mem_cgroup_can_attach, .cancel_attach = mem_cgroup_cancel_attach, - .attach = mem_cgroup_move_task, + .post_attach = mem_cgroup_move_task, .bind = mem_cgroup_bind, .dfl_cftypes = memory_files, .legacy_cftypes = mem_cgroup_legacy_files, diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 78f5f2641b91..ca5acee53b7a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -888,7 +888,15 @@ int get_hwpoison_page(struct page *page) } } - return get_page_unless_zero(head); + if (get_page_unless_zero(head)) { + if (head == compound_head(page)) + return 1; + + pr_info("MCE: %#lx cannot catch tail\n", page_to_pfn(page)); + put_page(head); + } + + return 0; } EXPORT_SYMBOL_GPL(get_hwpoison_page); diff --git a/mm/memory.c b/mm/memory.c index 93897f23cc11..52c218e2b724 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -789,6 +789,46 @@ out: return pfn_to_page(pfn); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, + pmd_t pmd) +{ + unsigned long pfn = pmd_pfn(pmd); + + /* + * There is no pmd_special() but there may be special pmds, e.g. + * in a direct-access (dax) mapping, so let's just replicate the + * !HAVE_PTE_SPECIAL case from vm_normal_page() here. + */ + if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { + if (vma->vm_flags & VM_MIXEDMAP) { + if (!pfn_valid(pfn)) + return NULL; + goto out; + } else { + unsigned long off; + off = (addr - vma->vm_start) >> PAGE_SHIFT; + if (pfn == vma->vm_pgoff + off) + return NULL; + if (!is_cow_mapping(vma->vm_flags)) + return NULL; + } + } + + if (is_zero_pfn(pfn)) + return NULL; + if (unlikely(pfn > highest_memmap_pfn)) + return NULL; + + /* + * NOTE! We still have PageReserved() pages in the page tables. + * eg. VDSO mappings can cause them to exist. + */ +out: + return pfn_to_page(pfn); +} +#endif + /* * copy one vm_area from one task to the other. Assumes the page tables * already present in the new task to be cleared in the whole range @@ -1182,15 +1222,8 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb, next = pmd_addr_end(addr, end); if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) { if (next - addr != HPAGE_PMD_SIZE) { -#ifdef CONFIG_DEBUG_VM - if (!rwsem_is_locked(&tlb->mm->mmap_sem)) { - pr_err("%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\n", - __func__, addr, end, - vma->vm_start, - vma->vm_end); - BUG(); - } -#endif + VM_BUG_ON_VMA(vma_is_anonymous(vma) && + !rwsem_is_locked(&tlb->mm->mmap_sem), vma); split_huge_pmd(vma, pmd, addr); } else if (zap_huge_pmd(tlb, vma, pmd, addr)) goto next; diff --git a/mm/migrate.c b/mm/migrate.c index 6c822a7b27e0..f9dfb18a4eba 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -975,7 +975,13 @@ out: dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); /* Soft-offlined page shouldn't go through lru cache list */ - if (reason == MR_MEMORY_FAILURE) { + if (reason == MR_MEMORY_FAILURE && rc == MIGRATEPAGE_SUCCESS) { + /* + * With this release, we free successfully migrated + * page and set PG_HWPoison on just freed page + * intentionally. Although it's rather weird, it's how + * HWPoison flag works at the moment. + */ put_page(page); if (!test_set_page_hwpoison(page)) num_poisoned_pages_inc(); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 999792d35ccc..bc5149d5ec38 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1910,7 +1910,8 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb) if (gdtc->dirty > gdtc->bg_thresh) return true; - if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(gdtc)) + if (wb_stat(wb, WB_RECLAIMABLE) > + wb_calc_thresh(gdtc->wb, gdtc->bg_thresh)) return true; if (mdtc) { @@ -1924,7 +1925,8 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb) if (mdtc->dirty > mdtc->bg_thresh) return true; - if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(mdtc)) + if (wb_stat(wb, WB_RECLAIMABLE) > + wb_calc_thresh(mdtc->wb, mdtc->bg_thresh)) return true; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 59de90d5d3a3..c1069efcc4d7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6485,7 +6485,7 @@ int __meminit init_per_zone_wmark_min(void) setup_per_zone_inactive_ratio(); return 0; } -module_init(init_per_zone_wmark_min) +core_initcall(init_per_zone_wmark_min) /* * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so diff --git a/mm/page_io.c b/mm/page_io.c index cd92e3d67a32..985f23cfa79b 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -353,7 +353,11 @@ int swap_readpage(struct page *page) ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); if (!ret) { - swap_slot_free_notify(page); + if (trylock_page(page)) { + swap_slot_free_notify(page); + unlock_page(page); + } + count_vm_event(PSWPIN); return 0; } diff --git a/mm/swap.c b/mm/swap.c index a0bc206b4ac6..03aacbcb013f 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -728,6 +728,11 @@ void release_pages(struct page **pages, int nr, bool cold) zone = NULL; } + if (is_huge_zero_page(page)) { + put_huge_zero_page(); + continue; + } + page = compound_head(page); if (!put_page_testzero(page)) continue; diff --git a/mm/vmscan.c b/mm/vmscan.c index b934223eaa45..142cb61f4822 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2553,7 +2553,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) sc->gfp_mask |= __GFP_HIGHMEM; for_each_zone_zonelist_nodemask(zone, z, zonelist, - requested_highidx, sc->nodemask) { + gfp_zone(sc->gfp_mask), sc->nodemask) { enum zone_type classzone_idx; if (!populated_zone(zone)) @@ -3318,6 +3318,20 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, /* Try to sleep for a short interval */ if (prepare_kswapd_sleep(pgdat, order, remaining, balanced_classzone_idx)) { + /* + * Compaction records what page blocks it recently failed to + * isolate pages from and skips them in the future scanning. + * When kswapd is going to sleep, it is reasonable to assume + * that pages and compaction may succeed so reset the cache. + */ + reset_isolation_suitable(pgdat); + + /* + * We have freed the memory, now we should compact it to make + * allocation of the requested order possible. + */ + wakeup_kcompactd(pgdat, order, classzone_idx); + remaining = schedule_timeout(HZ/10); finish_wait(&pgdat->kswapd_wait, &wait); prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE); @@ -3341,20 +3355,6 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, */ set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold); - /* - * Compaction records what page blocks it recently failed to - * isolate pages from and skips them in the future scanning. - * When kswapd is going to sleep, it is reasonable to assume - * that pages and compaction may succeed so reset the cache. - */ - reset_isolation_suitable(pgdat); - - /* - * We have freed the memory, now we should compact it to make - * allocation of the requested order possible. - */ - wakeup_kcompactd(pgdat, order, classzone_idx); - if (!kthread_should_stop()) schedule(); diff --git a/mm/zswap.c b/mm/zswap.c index 91dad80d068b..de0f119b1780 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -170,6 +170,8 @@ static struct zswap_tree *zswap_trees[MAX_SWAPFILES]; static LIST_HEAD(zswap_pools); /* protects zswap_pools list modification */ static DEFINE_SPINLOCK(zswap_pools_lock); +/* pool counter to provide unique names to zpool */ +static atomic_t zswap_pools_count = ATOMIC_INIT(0); /* used by param callback function */ static bool zswap_init_started; @@ -565,6 +567,7 @@ static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor) static struct zswap_pool *zswap_pool_create(char *type, char *compressor) { struct zswap_pool *pool; + char name[38]; /* 'zswap' + 32 char (max) num + \0 */ gfp_t gfp = __GFP_NORETRY | __GFP_NOWARN | __GFP_KSWAPD_RECLAIM; pool = kzalloc(sizeof(*pool), GFP_KERNEL); @@ -573,7 +576,10 @@ static struct zswap_pool *zswap_pool_create(char *type, char *compressor) return NULL; } - pool->zpool = zpool_create_pool(type, "zswap", gfp, &zswap_zpool_ops); + /* unique name for each pool specifically required by zsmalloc */ + snprintf(name, 38, "zswap%x", atomic_inc_return(&zswap_pools_count)); + + pool->zpool = zpool_create_pool(type, name, gfp, &zswap_zpool_ops); if (!pool->zpool) { pr_err("%s zpool not available\n", type); goto error; diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 3315b9a598af..4026f198a734 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -32,10 +32,21 @@ #include "bat_v_elp.h" #include "bat_v_ogm.h" +#include "hard-interface.h" #include "hash.h" #include "originator.h" #include "packet.h" +static void batadv_v_iface_activate(struct batadv_hard_iface *hard_iface) +{ + /* B.A.T.M.A.N. V does not use any queuing mechanism, therefore it can + * set the interface as ACTIVE right away, without any risk of race + * condition + */ + if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED) + hard_iface->if_status = BATADV_IF_ACTIVE; +} + static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface) { int ret; @@ -274,6 +285,7 @@ static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1, static struct batadv_algo_ops batadv_batman_v __read_mostly = { .name = "BATMAN_V", + .bat_iface_activate = batadv_v_iface_activate, .bat_iface_enable = batadv_v_iface_enable, .bat_iface_disable = batadv_v_iface_disable, .bat_iface_update_mac = batadv_v_iface_update_mac, diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index e96d7c745b4a..3e6b2624f980 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -568,6 +568,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * be sent to * @bat_priv: the bat priv with all the soft interface information * @ip_dst: ipv4 to look up in the DHT + * @vid: VLAN identifier * * An originator O is selected if and only if its DHT_ID value is one of three * closest values (from the LEFT, with wrap around if needed) then the hash @@ -576,7 +577,8 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * Return: the candidate array of size BATADV_DAT_CANDIDATE_NUM. */ static struct batadv_dat_candidate * -batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) +batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst, + unsigned short vid) { int select; batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key; @@ -592,7 +594,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) return NULL; dat.ip = ip_dst; - dat.vid = 0; + dat.vid = vid; ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat, BATADV_DAT_ADDR_MAX); @@ -612,6 +614,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) * @bat_priv: the bat priv with all the soft interface information * @skb: payload to send * @ip: the DHT key + * @vid: VLAN identifier * @packet_subtype: unicast4addr packet subtype to use * * This function copies the skb with pskb_copy() and is sent as unicast packet @@ -622,7 +625,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) */ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *skb, __be32 ip, - int packet_subtype) + unsigned short vid, int packet_subtype) { int i; bool ret = false; @@ -631,7 +634,7 @@ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *tmp_skb; struct batadv_dat_candidate *cand; - cand = batadv_dat_select_candidates(bat_priv, ip); + cand = batadv_dat_select_candidates(bat_priv, ip, vid); if (!cand) goto out; @@ -1022,7 +1025,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv, ret = true; } else { /* Send the request to the DHT */ - ret = batadv_dat_send_data(bat_priv, skb, ip_dst, + ret = batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_GET); } out: @@ -1150,8 +1153,8 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv, /* Send the ARP reply to the candidates for both the IP addresses that * the node obtained from the ARP reply */ - batadv_dat_send_data(bat_priv, skb, ip_src, BATADV_P_DAT_DHT_PUT); - batadv_dat_send_data(bat_priv, skb, ip_dst, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_src, vid, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT); } /** diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index b22b2775a0a5..0a7deaf2670a 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -407,6 +407,9 @@ batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface) batadv_update_min_mtu(hard_iface->soft_iface); + if (bat_priv->bat_algo_ops->bat_iface_activate) + bat_priv->bat_algo_ops->bat_iface_activate(hard_iface); + out: if (primary_if) batadv_hardif_put(primary_if); @@ -572,8 +575,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_hard_iface *primary_if = NULL; - if (hard_iface->if_status == BATADV_IF_ACTIVE) - batadv_hardif_deactivate_interface(hard_iface); + batadv_hardif_deactivate_interface(hard_iface); if (hard_iface->if_status != BATADV_IF_INACTIVE) goto out; diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index e4cbb0753e37..c355a824713c 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -250,7 +250,6 @@ static void batadv_neigh_node_release(struct kref *ref) { struct hlist_node *node_tmp; struct batadv_neigh_node *neigh_node; - struct batadv_hardif_neigh_node *hardif_neigh; struct batadv_neigh_ifinfo *neigh_ifinfo; struct batadv_algo_ops *bao; @@ -262,13 +261,7 @@ static void batadv_neigh_node_release(struct kref *ref) batadv_neigh_ifinfo_put(neigh_ifinfo); } - hardif_neigh = batadv_hardif_neigh_get(neigh_node->if_incoming, - neigh_node->addr); - if (hardif_neigh) { - /* batadv_hardif_neigh_get() increases refcount too */ - batadv_hardif_neigh_put(hardif_neigh); - batadv_hardif_neigh_put(hardif_neigh); - } + batadv_hardif_neigh_put(neigh_node->hardif_neigh); if (bao->bat_neigh_free) bao->bat_neigh_free(neigh_node); @@ -663,6 +656,11 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node, ether_addr_copy(neigh_node->addr, neigh_addr); neigh_node->if_incoming = hard_iface; neigh_node->orig_node = orig_node; + neigh_node->last_seen = jiffies; + + /* increment unique neighbor refcount */ + kref_get(&hardif_neigh->refcount); + neigh_node->hardif_neigh = hardif_neigh; /* extra reference for return */ kref_init(&neigh_node->refcount); @@ -672,9 +670,6 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node, hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list); spin_unlock_bh(&orig_node->neigh_list_lock); - /* increment unique neighbor refcount */ - kref_get(&hardif_neigh->refcount); - batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv, "Creating new neighbor %pM for orig_node %pM on interface %s\n", neigh_addr, orig_node->orig, hard_iface->net_dev->name); diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 4dd646a52f1a..b781bf753250 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -105,6 +105,15 @@ static void _batadv_update_route(struct batadv_priv *bat_priv, neigh_node = NULL; spin_lock_bh(&orig_node->neigh_list_lock); + /* curr_router used earlier may not be the current orig_ifinfo->router + * anymore because it was dereferenced outside of the neigh_list_lock + * protected region. After the new best neighbor has replace the current + * best neighbor the reference counter needs to decrease. Consequently, + * the code needs to ensure the curr_router variable contains a pointer + * to the replaced best neighbor. + */ + curr_router = rcu_dereference_protected(orig_ifinfo->router, true); + rcu_assign_pointer(orig_ifinfo->router, neigh_node); spin_unlock_bh(&orig_node->neigh_list_lock); batadv_orig_ifinfo_put(orig_ifinfo); diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 3ce06e0a91b1..76417850d3fc 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -675,6 +675,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->bcast_queue_left); + batadv_forw_packet_free(forw_packet); } } @@ -702,6 +705,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->batman_queue_left); + batadv_forw_packet_free(forw_packet); } } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 0710379491bf..8a136b6a1ff0 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -408,11 +408,17 @@ void batadv_interface_rx(struct net_device *soft_iface, */ nf_reset(skb); + if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) + goto dropped; + vid = batadv_get_vid(skb, 0); ethhdr = eth_hdr(skb); switch (ntohs(ethhdr->h_proto)) { case ETH_P_8021Q: + if (!pskb_may_pull(skb, VLAN_ETH_HLEN)) + goto dropped; + vhdr = (struct vlan_ethhdr *)skb->data; if (vhdr->h_vlan_encapsulated_proto != ethertype) @@ -424,8 +430,6 @@ void batadv_interface_rx(struct net_device *soft_iface, } /* skb->dev & skb->pkt_type are set here */ - if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) - goto dropped; skb->protocol = eth_type_trans(skb, soft_iface); /* should not be necessary anymore as we use skb_pull_rcsum() diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 0b43e86328a5..9b4551a86535 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -215,6 +215,8 @@ static void batadv_tt_local_entry_release(struct kref *ref) tt_local_entry = container_of(ref, struct batadv_tt_local_entry, common.refcount); + batadv_softif_vlan_put(tt_local_entry->vlan); + kfree_rcu(tt_local_entry, common.rcu); } @@ -673,6 +675,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, kref_get(&tt_local->common.refcount); tt_local->last_seen = jiffies; tt_local->common.added_at = tt_local->last_seen; + tt_local->vlan = vlan; /* the batman interface mac and multicast addresses should never be * purged @@ -991,7 +994,6 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; struct batadv_hard_iface *primary_if; - struct batadv_softif_vlan *vlan; struct hlist_head *head; unsigned short vid; u32 i; @@ -1027,14 +1029,6 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) last_seen_msecs = last_seen_msecs % 1000; no_purge = tt_common_entry->flags & np_flag; - - vlan = batadv_softif_vlan_get(bat_priv, vid); - if (!vlan) { - seq_printf(seq, "Cannot retrieve VLAN %d\n", - BATADV_PRINT_VID(vid)); - continue; - } - seq_printf(seq, " * %pM %4i [%c%c%c%c%c%c] %3u.%03u (%#.8x)\n", tt_common_entry->addr, @@ -1052,9 +1046,7 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'), no_purge ? 0 : last_seen_secs, no_purge ? 0 : last_seen_msecs, - vlan->tt.crc); - - batadv_softif_vlan_put(vlan); + tt_local->vlan->tt.crc); } rcu_read_unlock(); } @@ -1099,7 +1091,6 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr, { struct batadv_tt_local_entry *tt_local_entry; u16 flags, curr_flags = BATADV_NO_FLAGS; - struct batadv_softif_vlan *vlan; void *tt_entry_exists; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid); @@ -1139,14 +1130,6 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr, /* extra call to free the local tt entry */ batadv_tt_local_entry_put(tt_local_entry); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, vid); - if (!vlan) - goto out; - - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - out: if (tt_local_entry) batadv_tt_local_entry_put(tt_local_entry); @@ -1219,7 +1202,6 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) spinlock_t *list_lock; /* protects write access to the hash lists */ struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; - struct batadv_softif_vlan *vlan; struct hlist_node *node_tmp; struct hlist_head *head; u32 i; @@ -1241,14 +1223,6 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) struct batadv_tt_local_entry, common); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, - tt_common_entry->vid); - if (vlan) { - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - } - batadv_tt_local_entry_put(tt_local); } spin_unlock_bh(list_lock); @@ -3309,7 +3283,6 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common; struct batadv_tt_local_entry *tt_local; - struct batadv_softif_vlan *vlan; struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -3339,13 +3312,6 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) struct batadv_tt_local_entry, common); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid); - if (vlan) { - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - } - batadv_tt_local_entry_put(tt_local); } spin_unlock_bh(list_lock); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 9abfb3e73c34..1e47fbe8bb7b 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -433,6 +433,7 @@ struct batadv_hardif_neigh_node { * @ifinfo_lock: lock protecting private ifinfo members and list * @if_incoming: pointer to incoming hard-interface * @last_seen: when last packet via this neighbor was received + * @hardif_neigh: hardif_neigh of this neighbor * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner */ @@ -444,6 +445,7 @@ struct batadv_neigh_node { spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ struct batadv_hard_iface *if_incoming; unsigned long last_seen; + struct batadv_hardif_neigh_node *hardif_neigh; struct kref refcount; struct rcu_head rcu; }; @@ -1073,10 +1075,12 @@ struct batadv_tt_common_entry { * struct batadv_tt_local_entry - translation table local entry data * @common: general translation table data * @last_seen: timestamp used for purging stale tt local entries + * @vlan: soft-interface vlan of the entry */ struct batadv_tt_local_entry { struct batadv_tt_common_entry common; unsigned long last_seen; + struct batadv_softif_vlan *vlan; }; /** @@ -1250,6 +1254,8 @@ struct batadv_forw_packet { * struct batadv_algo_ops - mesh algorithm callbacks * @list: list node for the batadv_algo_list * @name: name of the algorithm + * @bat_iface_activate: start routing mechanisms when hard-interface is brought + * up * @bat_iface_enable: init routing info when hard-interface is enabled * @bat_iface_disable: de-init routing info when hard-interface is disabled * @bat_iface_update_mac: (re-)init mac addresses of the protocol information @@ -1277,6 +1283,7 @@ struct batadv_forw_packet { struct batadv_algo_ops { struct hlist_node list; char *name; + void (*bat_iface_activate)(struct batadv_hard_iface *hard_iface); int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 253bc77eda3b..7dbc80d01eb0 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -61,6 +61,19 @@ static void __mdb_entry_fill_flags(struct br_mdb_entry *e, unsigned char flags) e->flags |= MDB_FLAGS_OFFLOAD; } +static void __mdb_entry_to_br_ip(struct br_mdb_entry *entry, struct br_ip *ip) +{ + memset(ip, 0, sizeof(struct br_ip)); + ip->vid = entry->vid; + ip->proto = entry->addr.proto; + if (ip->proto == htons(ETH_P_IP)) + ip->u.ip4 = entry->addr.u.ip4; +#if IS_ENABLED(CONFIG_IPV6) + else + ip->u.ip6 = entry->addr.u.ip6; +#endif +} + static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev) { @@ -243,9 +256,45 @@ static inline size_t rtnl_mdb_nlmsg_size(void) + nla_total_size(sizeof(struct br_mdb_entry)); } -static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry, - int type, struct net_bridge_port_group *pg) +struct br_mdb_complete_info { + struct net_bridge_port *port; + struct br_ip ip; +}; + +static void br_mdb_complete(struct net_device *dev, int err, void *priv) { + struct br_mdb_complete_info *data = priv; + struct net_bridge_port_group __rcu **pp; + struct net_bridge_port_group *p; + struct net_bridge_mdb_htable *mdb; + struct net_bridge_mdb_entry *mp; + struct net_bridge_port *port = data->port; + struct net_bridge *br = port->br; + + if (err) + goto err; + + spin_lock_bh(&br->multicast_lock); + mdb = mlock_dereference(br->mdb, br); + mp = br_mdb_ip_get(mdb, &data->ip); + if (!mp) + goto out; + for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL; + pp = &p->next) { + if (p->port != port) + continue; + p->flags |= MDB_PG_FLAGS_OFFLOAD; + } +out: + spin_unlock_bh(&br->multicast_lock); +err: + kfree(priv); +} + +static void __br_mdb_notify(struct net_device *dev, struct net_bridge_port *p, + struct br_mdb_entry *entry, int type) +{ + struct br_mdb_complete_info *complete_info; struct switchdev_obj_port_mdb mdb = { .obj = { .id = SWITCHDEV_OBJ_ID_PORT_MDB, @@ -268,9 +317,14 @@ static void __br_mdb_notify(struct net_device *dev, struct br_mdb_entry *entry, mdb.obj.orig_dev = port_dev; if (port_dev && type == RTM_NEWMDB) { - err = switchdev_port_obj_add(port_dev, &mdb.obj); - if (!err && pg) - pg->flags |= MDB_PG_FLAGS_OFFLOAD; + complete_info = kmalloc(sizeof(*complete_info), GFP_ATOMIC); + if (complete_info) { + complete_info->port = p; + __mdb_entry_to_br_ip(entry, &complete_info->ip); + mdb.obj.complete_priv = complete_info; + mdb.obj.complete = br_mdb_complete; + switchdev_port_obj_add(port_dev, &mdb.obj); + } } else if (port_dev && type == RTM_DELMDB) { switchdev_port_obj_del(port_dev, &mdb.obj); } @@ -291,21 +345,21 @@ errout: rtnl_set_sk_err(net, RTNLGRP_MDB, err); } -void br_mdb_notify(struct net_device *dev, struct net_bridge_port_group *pg, - int type) +void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, + struct br_ip *group, int type, u8 flags) { struct br_mdb_entry entry; memset(&entry, 0, sizeof(entry)); - entry.ifindex = pg->port->dev->ifindex; - entry.addr.proto = pg->addr.proto; - entry.addr.u.ip4 = pg->addr.u.ip4; + entry.ifindex = port->dev->ifindex; + entry.addr.proto = group->proto; + entry.addr.u.ip4 = group->u.ip4; #if IS_ENABLED(CONFIG_IPV6) - entry.addr.u.ip6 = pg->addr.u.ip6; + entry.addr.u.ip6 = group->u.ip6; #endif - entry.vid = pg->addr.vid; - __mdb_entry_fill_flags(&entry, pg->flags); - __br_mdb_notify(dev, &entry, type, pg); + entry.vid = group->vid; + __mdb_entry_fill_flags(&entry, flags); + __br_mdb_notify(dev, port, &entry, type); } static int nlmsg_populate_rtr_fill(struct sk_buff *skb, @@ -450,8 +504,7 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh, } static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, - struct br_ip *group, unsigned char state, - struct net_bridge_port_group **pg) + struct br_ip *group, unsigned char state) { struct net_bridge_mdb_entry *mp; struct net_bridge_port_group *p; @@ -482,7 +535,6 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); - *pg = p; if (state == MDB_TEMPORARY) mod_timer(&p->timer, now + br->multicast_membership_interval); @@ -490,8 +542,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, } static int __br_mdb_add(struct net *net, struct net_bridge *br, - struct br_mdb_entry *entry, - struct net_bridge_port_group **pg) + struct br_mdb_entry *entry) { struct br_ip ip; struct net_device *dev; @@ -509,18 +560,10 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, if (!p || p->br != br || p->state == BR_STATE_DISABLED) return -EINVAL; - memset(&ip, 0, sizeof(ip)); - ip.vid = entry->vid; - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) - ip.u.ip4 = entry->addr.u.ip4; -#if IS_ENABLED(CONFIG_IPV6) - else - ip.u.ip6 = entry->addr.u.ip6; -#endif + __mdb_entry_to_br_ip(entry, &ip); spin_lock_bh(&br->multicast_lock); - ret = br_mdb_add_group(br, p, &ip, entry->state, pg); + ret = br_mdb_add_group(br, p, &ip, entry->state); spin_unlock_bh(&br->multicast_lock); return ret; } @@ -528,7 +571,6 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); - struct net_bridge_port_group *pg; struct net_bridge_vlan_group *vg; struct net_device *dev, *pdev; struct br_mdb_entry *entry; @@ -558,15 +600,15 @@ static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) if (br_vlan_enabled(br) && vg && entry->vid == 0) { list_for_each_entry(v, &vg->vlan_list, vlist) { entry->vid = v->vid; - err = __br_mdb_add(net, br, entry, &pg); + err = __br_mdb_add(net, br, entry); if (err) break; - __br_mdb_notify(dev, entry, RTM_NEWMDB, pg); + __br_mdb_notify(dev, p, entry, RTM_NEWMDB); } } else { - err = __br_mdb_add(net, br, entry, &pg); + err = __br_mdb_add(net, br, entry); if (!err) - __br_mdb_notify(dev, entry, RTM_NEWMDB, pg); + __br_mdb_notify(dev, p, entry, RTM_NEWMDB); } return err; @@ -584,15 +626,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (!netif_running(br->dev) || br->multicast_disabled) return -EINVAL; - memset(&ip, 0, sizeof(ip)); - ip.vid = entry->vid; - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) - ip.u.ip4 = entry->addr.u.ip4; -#if IS_ENABLED(CONFIG_IPV6) - else - ip.u.ip6 = entry->addr.u.ip6; -#endif + __mdb_entry_to_br_ip(entry, &ip); spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); @@ -662,12 +696,12 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) entry->vid = v->vid; err = __br_mdb_del(br, entry); if (!err) - __br_mdb_notify(dev, entry, RTM_DELMDB, NULL); + __br_mdb_notify(dev, p, entry, RTM_DELMDB); } } else { err = __br_mdb_del(br, entry); if (!err) - __br_mdb_notify(dev, entry, RTM_DELMDB, NULL); + __br_mdb_notify(dev, p, entry, RTM_DELMDB); } return err; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index a4c15df2b792..191ea66e4d92 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -283,7 +283,8 @@ static void br_multicast_del_pg(struct net_bridge *br, rcu_assign_pointer(*pp, p->next); hlist_del_init(&p->mglist); del_timer(&p->timer); - br_mdb_notify(br->dev, p, RTM_DELMDB); + br_mdb_notify(br->dev, p->port, &pg->addr, RTM_DELMDB, + p->flags); call_rcu_bh(&p->rcu, br_multicast_free_pg); if (!mp->ports && !mp->mglist && @@ -705,7 +706,7 @@ static int br_multicast_add_group(struct net_bridge *br, if (unlikely(!p)) goto err; rcu_assign_pointer(*pp, p); - br_mdb_notify(br->dev, p, RTM_NEWMDB); + br_mdb_notify(br->dev, port, group, RTM_NEWMDB, 0); found: mod_timer(&p->timer, now + br->multicast_membership_interval); @@ -1461,7 +1462,8 @@ br_multicast_leave_group(struct net_bridge *br, hlist_del_init(&p->mglist); del_timer(&p->timer); call_rcu_bh(&p->rcu, br_multicast_free_pg); - br_mdb_notify(br->dev, p, RTM_DELMDB); + br_mdb_notify(br->dev, port, group, RTM_DELMDB, + p->flags); if (!mp->ports && !mp->mglist && netif_running(br->dev)) diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 1b5d145dfcbf..d9da857182ef 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -560,8 +560,8 @@ br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, unsigned char flags); void br_mdb_init(void); void br_mdb_uninit(void); -void br_mdb_notify(struct net_device *dev, struct net_bridge_port_group *pg, - int type); +void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, + struct br_ip *group, int type, u8 flags); void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, int type); diff --git a/net/ceph/auth.c b/net/ceph/auth.c index 6b923bcaa2a4..2bc5965fdd1e 100644 --- a/net/ceph/auth.c +++ b/net/ceph/auth.c @@ -293,13 +293,9 @@ int ceph_auth_create_authorizer(struct ceph_auth_client *ac, } EXPORT_SYMBOL(ceph_auth_create_authorizer); -void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac, - struct ceph_authorizer *a) +void ceph_auth_destroy_authorizer(struct ceph_authorizer *a) { - mutex_lock(&ac->mutex); - if (ac->ops && ac->ops->destroy_authorizer) - ac->ops->destroy_authorizer(ac, a); - mutex_unlock(&ac->mutex); + a->destroy(a); } EXPORT_SYMBOL(ceph_auth_destroy_authorizer); diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c index 8c93fa8d81bc..5f836f02ae36 100644 --- a/net/ceph/auth_none.c +++ b/net/ceph/auth_none.c @@ -16,7 +16,6 @@ static void reset(struct ceph_auth_client *ac) struct ceph_auth_none_info *xi = ac->private; xi->starting = true; - xi->built_authorizer = false; } static void destroy(struct ceph_auth_client *ac) @@ -39,6 +38,27 @@ static int should_authenticate(struct ceph_auth_client *ac) return xi->starting; } +static int ceph_auth_none_build_authorizer(struct ceph_auth_client *ac, + struct ceph_none_authorizer *au) +{ + void *p = au->buf; + void *const end = p + sizeof(au->buf); + int ret; + + ceph_encode_8_safe(&p, end, 1, e_range); + ret = ceph_entity_name_encode(ac->name, &p, end); + if (ret < 0) + return ret; + + ceph_encode_64_safe(&p, end, ac->global_id, e_range); + au->buf_len = p - (void *)au->buf; + dout("%s built authorizer len %d\n", __func__, au->buf_len); + return 0; + +e_range: + return -ERANGE; +} + static int build_request(struct ceph_auth_client *ac, void *buf, void *end) { return 0; @@ -57,32 +77,32 @@ static int handle_reply(struct ceph_auth_client *ac, int result, return result; } +static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a) +{ + kfree(a); +} + /* - * build an 'authorizer' with our entity_name and global_id. we can - * reuse a single static copy since it is identical for all services - * we connect to. + * build an 'authorizer' with our entity_name and global_id. it is + * identical for all services we connect to. */ static int ceph_auth_none_create_authorizer( struct ceph_auth_client *ac, int peer_type, struct ceph_auth_handshake *auth) { - struct ceph_auth_none_info *ai = ac->private; - struct ceph_none_authorizer *au = &ai->au; - void *p, *end; + struct ceph_none_authorizer *au; int ret; - if (!ai->built_authorizer) { - p = au->buf; - end = p + sizeof(au->buf); - ceph_encode_8(&p, 1); - ret = ceph_entity_name_encode(ac->name, &p, end - 8); - if (ret < 0) - goto bad; - ceph_decode_need(&p, end, sizeof(u64), bad2); - ceph_encode_64(&p, ac->global_id); - au->buf_len = p - (void *)au->buf; - ai->built_authorizer = true; - dout("built authorizer len %d\n", au->buf_len); + au = kmalloc(sizeof(*au), GFP_NOFS); + if (!au) + return -ENOMEM; + + au->base.destroy = ceph_auth_none_destroy_authorizer; + + ret = ceph_auth_none_build_authorizer(ac, au); + if (ret) { + kfree(au); + return ret; } auth->authorizer = (struct ceph_authorizer *) au; @@ -92,17 +112,6 @@ static int ceph_auth_none_create_authorizer( auth->authorizer_reply_buf_len = sizeof (au->reply_buf); return 0; - -bad2: - ret = -ERANGE; -bad: - return ret; -} - -static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac, - struct ceph_authorizer *a) -{ - /* nothing to do */ } static const struct ceph_auth_client_ops ceph_auth_none_ops = { @@ -114,7 +123,6 @@ static const struct ceph_auth_client_ops ceph_auth_none_ops = { .build_request = build_request, .handle_reply = handle_reply, .create_authorizer = ceph_auth_none_create_authorizer, - .destroy_authorizer = ceph_auth_none_destroy_authorizer, }; int ceph_auth_none_init(struct ceph_auth_client *ac) @@ -127,7 +135,6 @@ int ceph_auth_none_init(struct ceph_auth_client *ac) return -ENOMEM; xi->starting = true; - xi->built_authorizer = false; ac->protocol = CEPH_AUTH_NONE; ac->private = xi; diff --git a/net/ceph/auth_none.h b/net/ceph/auth_none.h index 059a3ce4b53f..62021535ae4a 100644 --- a/net/ceph/auth_none.h +++ b/net/ceph/auth_none.h @@ -12,6 +12,7 @@ */ struct ceph_none_authorizer { + struct ceph_authorizer base; char buf[128]; int buf_len; char reply_buf[0]; @@ -19,8 +20,6 @@ struct ceph_none_authorizer { struct ceph_auth_none_info { bool starting; - bool built_authorizer; - struct ceph_none_authorizer au; /* we only need one; it's static */ }; int ceph_auth_none_init(struct ceph_auth_client *ac); diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index 9e43a315e662..a0905f04bd13 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -565,6 +565,14 @@ static int ceph_x_handle_reply(struct ceph_auth_client *ac, int result, return -EAGAIN; } +static void ceph_x_destroy_authorizer(struct ceph_authorizer *a) +{ + struct ceph_x_authorizer *au = (void *)a; + + ceph_x_authorizer_cleanup(au); + kfree(au); +} + static int ceph_x_create_authorizer( struct ceph_auth_client *ac, int peer_type, struct ceph_auth_handshake *auth) @@ -581,6 +589,8 @@ static int ceph_x_create_authorizer( if (!au) return -ENOMEM; + au->base.destroy = ceph_x_destroy_authorizer; + ret = ceph_x_build_authorizer(ac, th, au); if (ret) { kfree(au); @@ -643,16 +653,6 @@ static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac, return ret; } -static void ceph_x_destroy_authorizer(struct ceph_auth_client *ac, - struct ceph_authorizer *a) -{ - struct ceph_x_authorizer *au = (void *)a; - - ceph_x_authorizer_cleanup(au); - kfree(au); -} - - static void ceph_x_reset(struct ceph_auth_client *ac) { struct ceph_x_info *xi = ac->private; @@ -770,7 +770,6 @@ static const struct ceph_auth_client_ops ceph_x_ops = { .create_authorizer = ceph_x_create_authorizer, .update_authorizer = ceph_x_update_authorizer, .verify_authorizer_reply = ceph_x_verify_authorizer_reply, - .destroy_authorizer = ceph_x_destroy_authorizer, .invalidate_authorizer = ceph_x_invalidate_authorizer, .reset = ceph_x_reset, .destroy = ceph_x_destroy, diff --git a/net/ceph/auth_x.h b/net/ceph/auth_x.h index 40b1a3cf7397..21a5af904bae 100644 --- a/net/ceph/auth_x.h +++ b/net/ceph/auth_x.h @@ -26,6 +26,7 @@ struct ceph_x_ticket_handler { struct ceph_x_authorizer { + struct ceph_authorizer base; struct ceph_crypto_key session_key; struct ceph_buffer *buf; unsigned int service; diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 32355d9d0103..40a53a70efdf 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1087,10 +1087,8 @@ static void put_osd(struct ceph_osd *osd) dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref), atomic_read(&osd->o_ref) - 1); if (atomic_dec_and_test(&osd->o_ref)) { - struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth; - if (osd->o_auth.authorizer) - ceph_auth_destroy_authorizer(ac, osd->o_auth.authorizer); + ceph_auth_destroy_authorizer(osd->o_auth.authorizer); kfree(osd); } } @@ -2984,7 +2982,7 @@ static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con, struct ceph_auth_handshake *auth = &o->o_auth; if (force_new && auth->authorizer) { - ceph_auth_destroy_authorizer(ac, auth->authorizer); + ceph_auth_destroy_authorizer(auth->authorizer); auth->authorizer = NULL; } if (!auth->authorizer) { diff --git a/net/core/dev.c b/net/core/dev.c index 77a71cd68535..5c925ac50b95 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2802,7 +2802,7 @@ static netdev_features_t harmonize_features(struct sk_buff *skb, if (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(features, type)) { - features &= ~NETIF_F_CSUM_MASK; + features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } else if (illegal_highdma(skb->dev, skb)) { features &= ~NETIF_F_SG; } diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 8a9246deccfe..63566ec54794 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -904,7 +904,11 @@ void fib_del_ifaddr(struct in_ifaddr *ifa, struct in_ifaddr *iprim) if (ifa->ifa_flags & IFA_F_SECONDARY) { prim = inet_ifa_byprefix(in_dev, any, ifa->ifa_mask); if (!prim) { - pr_warn("%s: bug: prim == NULL\n", __func__); + /* if the device has been deleted, we don't perform + * address promotion + */ + if (!in_dev->dead) + pr_warn("%s: bug: prim == NULL\n", __func__); return; } if (iprim && iprim != prim) { diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index bc68eced0105..0d9e9d7bb029 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -470,6 +470,7 @@ static int inet_reuseport_add_sock(struct sock *sk, const struct sock *sk2, bool match_wildcard)) { + struct inet_bind_bucket *tb = inet_csk(sk)->icsk_bind_hash; struct sock *sk2; struct hlist_nulls_node *node; kuid_t uid = sock_i_uid(sk); @@ -479,6 +480,7 @@ static int inet_reuseport_add_sock(struct sock *sk, sk2->sk_family == sk->sk_family && ipv6_only_sock(sk2) == ipv6_only_sock(sk) && sk2->sk_bound_dev_if == sk->sk_bound_dev_if && + inet_csk(sk2)->icsk_bind_hash == tb && sk2->sk_reuseport && uid_eq(uid, sock_i_uid(sk2)) && saddr_same(sk, sk2, false)) return reuseport_add_sock(sk, sk2); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index af5d1f38217f..205a2b8a5a84 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -179,6 +179,7 @@ static __be16 tnl_flags_to_gre_flags(__be16 tflags) return flags; } +/* Fills in tpi and returns header length to be pulled. */ static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, bool *csum_err) { @@ -238,7 +239,7 @@ static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, return -EINVAL; } } - return iptunnel_pull_header(skb, hdr_len, tpi->proto, false); + return hdr_len; } static void ipgre_err(struct sk_buff *skb, u32 info, @@ -341,7 +342,7 @@ static void gre_err(struct sk_buff *skb, u32 info) struct tnl_ptk_info tpi; bool csum_err = false; - if (parse_gre_header(skb, &tpi, &csum_err)) { + if (parse_gre_header(skb, &tpi, &csum_err) < 0) { if (!csum_err) /* ignore csum errors. */ return; } @@ -419,6 +420,7 @@ static int gre_rcv(struct sk_buff *skb) { struct tnl_ptk_info tpi; bool csum_err = false; + int hdr_len; #ifdef CONFIG_NET_IPGRE_BROADCAST if (ipv4_is_multicast(ip_hdr(skb)->daddr)) { @@ -428,7 +430,10 @@ static int gre_rcv(struct sk_buff *skb) } #endif - if (parse_gre_header(skb, &tpi, &csum_err) < 0) + hdr_len = parse_gre_header(skb, &tpi, &csum_err); + if (hdr_len < 0) + goto drop; + if (iptunnel_pull_header(skb, hdr_len, tpi.proto, false) < 0) goto drop; if (ipgre_rcv(skb, &tpi) == PACKET_RCVD) @@ -523,7 +528,8 @@ static struct rtable *gre_get_rt(struct sk_buff *skb, return ip_route_output_key(net, fl); } -static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev) +static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev, + __be16 proto) { struct ip_tunnel_info *tun_info; const struct ip_tunnel_key *key; @@ -575,7 +581,7 @@ static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev) } flags = tun_info->key.tun_flags & (TUNNEL_CSUM | TUNNEL_KEY); - build_header(skb, tunnel_hlen, flags, htons(ETH_P_TEB), + build_header(skb, tunnel_hlen, flags, proto, tunnel_id_to_key(tun_info->key.tun_id), 0); df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0; @@ -616,7 +622,7 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, const struct iphdr *tnl_params; if (tunnel->collect_md) { - gre_fb_xmit(skb, dev); + gre_fb_xmit(skb, dev, skb->protocol); return NETDEV_TX_OK; } @@ -660,7 +666,7 @@ static netdev_tx_t gre_tap_xmit(struct sk_buff *skb, struct ip_tunnel *tunnel = netdev_priv(dev); if (tunnel->collect_md) { - gre_fb_xmit(skb, dev); + gre_fb_xmit(skb, dev, htons(ETH_P_TEB)); return NETDEV_TX_OK; } @@ -893,7 +899,7 @@ static int ipgre_tunnel_init(struct net_device *dev) netif_keep_dst(dev); dev->addr_len = 4; - if (iph->daddr) { + if (iph->daddr && !tunnel->collect_md) { #ifdef CONFIG_NET_IPGRE_BROADCAST if (ipv4_is_multicast(iph->daddr)) { if (!iph->saddr) @@ -902,8 +908,9 @@ static int ipgre_tunnel_init(struct net_device *dev) dev->header_ops = &ipgre_header_ops; } #endif - } else + } else if (!tunnel->collect_md) { dev->header_ops = &ipgre_header_ops; + } return ip_tunnel_init(dev); } @@ -946,6 +953,11 @@ static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) if (flags & (GRE_VERSION|GRE_ROUTING)) return -EINVAL; + if (data[IFLA_GRE_COLLECT_METADATA] && + data[IFLA_GRE_ENCAP_TYPE] && + nla_get_u16(data[IFLA_GRE_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE) + return -EINVAL; + return 0; } diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 6aad0192443d..a69ed94bda1b 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -326,12 +326,12 @@ static int ip_tunnel_bind_dev(struct net_device *dev) if (!IS_ERR(rt)) { tdev = rt->dst.dev; - dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst, - fl4.saddr); ip_rt_put(rt); } if (dev->type != ARPHRD_ETHER) dev->flags |= IFF_POINTOPOINT; + + dst_cache_reset(&tunnel->dst_cache); } if (!tdev && tunnel->parms.link) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 23cec53b568a..8ec4b3089e20 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3176,35 +3176,9 @@ static void addrconf_gre_config(struct net_device *dev) } #endif -#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) -/* If the host route is cached on the addr struct make sure it is associated - * with the proper table. e.g., enslavement can change and if so the cached - * host route needs to move to the new table. - */ -static void l3mdev_check_host_rt(struct inet6_dev *idev, - struct inet6_ifaddr *ifp) -{ - if (ifp->rt) { - u32 tb_id = l3mdev_fib_table(idev->dev) ? : RT6_TABLE_LOCAL; - - if (tb_id != ifp->rt->rt6i_table->tb6_id) { - ip6_del_rt(ifp->rt); - ifp->rt = NULL; - } - } -} -#else -static void l3mdev_check_host_rt(struct inet6_dev *idev, - struct inet6_ifaddr *ifp) -{ -} -#endif - static int fixup_permanent_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) { - l3mdev_check_host_rt(idev, ifp); - if (!ifp->rt) { struct rt6_info *rt; @@ -3304,6 +3278,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, break; if (event == NETDEV_UP) { + /* restore routes for permanent addresses */ + addrconf_permanent_addr(dev); + if (!addrconf_qdisc_ok(dev)) { /* device is not ready yet. */ pr_info("ADDRCONF(NETDEV_UP): %s: link is not ready\n", @@ -3337,9 +3314,6 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, run_pending = 1; } - /* restore routes for permanent addresses */ - addrconf_permanent_addr(dev); - switch (dev->type) { #if IS_ENABLED(CONFIG_IPV6_SIT) case ARPHRD_SIT: @@ -3556,6 +3530,8 @@ restart: INIT_LIST_HEAD(&del_list); list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) { + struct rt6_info *rt = NULL; + addrconf_del_dad_work(ifa); write_unlock_bh(&idev->lock); @@ -3568,6 +3544,9 @@ restart: ifa->state = 0; if (!(ifa->flags & IFA_F_NODAD)) ifa->flags |= IFA_F_TENTATIVE; + + rt = ifa->rt; + ifa->rt = NULL; } else { state = ifa->state; ifa->state = INET6_IFADDR_STATE_DEAD; @@ -3578,6 +3557,9 @@ restart: spin_unlock_bh(&ifa->lock); + if (rt) + ip6_del_rt(rt); + if (state != INET6_IFADDR_STATE_DEAD) { __ipv6_ifa_notify(RTM_DELADDR, ifa); inet6addr_notifier_call_chain(NETDEV_DOWN, ifa); @@ -5343,10 +5325,10 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) if (rt) ip6_del_rt(rt); } - dst_hold(&ifp->rt->dst); - - ip6_del_rt(ifp->rt); - + if (ifp->rt) { + dst_hold(&ifp->rt->dst); + ip6_del_rt(ifp->rt); + } rt_genid_bump_ipv6(net); break; } diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c index 2ae3c4fd8aab..41f18de5dcc2 100644 --- a/net/ipv6/ila/ila_lwt.c +++ b/net/ipv6/ila/ila_lwt.c @@ -120,8 +120,7 @@ nla_put_failure: static int ila_encap_nlsize(struct lwtunnel_state *lwtstate) { - /* No encapsulation overhead */ - return 0; + return nla_total_size(sizeof(u64)); /* ILA_ATTR_LOCATOR */ } static int ila_encap_cmp(struct lwtunnel_state *a, struct lwtunnel_state *b) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index afca2eb4dfa7..6edfa9980314 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1376,9 +1376,9 @@ static int l2tp_tunnel_sock_create(struct net *net, memcpy(&udp_conf.peer_ip6, cfg->peer_ip6, sizeof(udp_conf.peer_ip6)); udp_conf.use_udp6_tx_checksums = - cfg->udp6_zero_tx_checksums; + ! cfg->udp6_zero_tx_checksums; udp_conf.use_udp6_rx_checksums = - cfg->udp6_zero_rx_checksums; + ! cfg->udp6_zero_rx_checksums; } else #endif { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 453b4e741780..e1cb22c16530 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1761,7 +1761,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = dev_alloc_name(ndev, ndev->name); if (ret < 0) { - free_netdev(ndev); + ieee80211_if_free(ndev); return ret; } @@ -1847,7 +1847,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = register_netdevice(ndev); if (ret) { - free_netdev(ndev); + ieee80211_if_free(ndev); return ret; } } diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 61ed2a8764ba..86187dad1440 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -127,7 +127,7 @@ void rds_tcp_restore_callbacks(struct socket *sock, /* * This is the only path that sets tc->t_sock. Send and receive trust that - * it is set. The RDS_CONN_CONNECTED bit protects those paths from being + * it is set. The RDS_CONN_UP bit protects those paths from being * called while it isn't set. */ void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn) @@ -216,6 +216,7 @@ static int rds_tcp_conn_alloc(struct rds_connection *conn, gfp_t gfp) if (!tc) return -ENOMEM; + mutex_init(&tc->t_conn_lock); tc->t_sock = NULL; tc->t_tinc = NULL; tc->t_tinc_hdr_rem = sizeof(struct rds_header); diff --git a/net/rds/tcp.h b/net/rds/tcp.h index 64f873c0c6b6..41c228300525 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -12,6 +12,10 @@ struct rds_tcp_connection { struct list_head t_tcp_node; struct rds_connection *conn; + /* t_conn_lock synchronizes the connection establishment between + * rds_tcp_accept_one and rds_tcp_conn_connect + */ + struct mutex t_conn_lock; struct socket *t_sock; void *t_orig_write_space; void *t_orig_data_ready; diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c index 5cb16875c460..49a3fcfed360 100644 --- a/net/rds/tcp_connect.c +++ b/net/rds/tcp_connect.c @@ -78,7 +78,14 @@ int rds_tcp_conn_connect(struct rds_connection *conn) struct socket *sock = NULL; struct sockaddr_in src, dest; int ret; + struct rds_tcp_connection *tc = conn->c_transport_data; + + mutex_lock(&tc->t_conn_lock); + if (rds_conn_up(conn)) { + mutex_unlock(&tc->t_conn_lock); + return 0; + } ret = sock_create_kern(rds_conn_net(conn), PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock); if (ret < 0) @@ -120,6 +127,7 @@ int rds_tcp_conn_connect(struct rds_connection *conn) } out: + mutex_unlock(&tc->t_conn_lock); if (sock) sock_release(sock); return ret; diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 0936a4a32b47..be263cdf268b 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -76,7 +76,9 @@ int rds_tcp_accept_one(struct socket *sock) struct rds_connection *conn; int ret; struct inet_sock *inet; - struct rds_tcp_connection *rs_tcp; + struct rds_tcp_connection *rs_tcp = NULL; + int conn_state; + struct sock *nsk; ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family, sock->sk->sk_type, sock->sk->sk_protocol, @@ -115,28 +117,44 @@ int rds_tcp_accept_one(struct socket *sock) * rds_tcp_state_change() will do that cleanup */ rs_tcp = (struct rds_tcp_connection *)conn->c_transport_data; - if (rs_tcp->t_sock && - ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) { - struct sock *nsk = new_sock->sk; - - nsk->sk_user_data = NULL; - nsk->sk_prot->disconnect(nsk, 0); - tcp_done(nsk); - new_sock = NULL; - ret = 0; - goto out; - } else if (rs_tcp->t_sock) { - rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp); - conn->c_outgoing = 0; - } - rds_conn_transition(conn, RDS_CONN_DOWN, RDS_CONN_CONNECTING); + mutex_lock(&rs_tcp->t_conn_lock); + conn_state = rds_conn_state(conn); + if (conn_state != RDS_CONN_CONNECTING && conn_state != RDS_CONN_UP) + goto rst_nsk; + if (rs_tcp->t_sock) { + /* Need to resolve a duelling SYN between peers. + * We have an outstanding SYN to this peer, which may + * potentially have transitioned to the RDS_CONN_UP state, + * so we must quiesce any send threads before resetting + * c_transport_data. + */ + wait_event(conn->c_waitq, + !test_bit(RDS_IN_XMIT, &conn->c_flags)); + if (ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) { + goto rst_nsk; + } else if (rs_tcp->t_sock) { + rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp); + conn->c_outgoing = 0; + } + } rds_tcp_set_callbacks(new_sock, conn); - rds_connect_complete(conn); + rds_connect_complete(conn); /* marks RDS_CONN_UP */ + new_sock = NULL; + ret = 0; + goto out; +rst_nsk: + /* reset the newly returned accept sock and bail */ + nsk = new_sock->sk; + rds_tcp_stats_inc(s_tcp_listen_closed_stale); + nsk->sk_user_data = NULL; + nsk->sk_prot->disconnect(nsk, 0); + tcp_done(nsk); new_sock = NULL; ret = 0; - out: + if (rs_tcp) + mutex_unlock(&rs_tcp->t_conn_lock); if (new_sock) sock_release(new_sock); return ret; diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 9640bb39a5d2..4befe97a9034 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -395,6 +395,25 @@ static void tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) sch->q.qlen++; } +/* netem can't properly corrupt a megapacket (like we get from GSO), so instead + * when we statistically choose to corrupt one, we instead segment it, returning + * the first packet to be corrupted, and re-enqueue the remaining frames + */ +static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch) +{ + struct sk_buff *segs; + netdev_features_t features = netif_skb_features(skb); + + segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + + if (IS_ERR_OR_NULL(segs)) { + qdisc_reshape_fail(skb, sch); + return NULL; + } + consume_skb(skb); + return segs; +} + /* * Insert one skb into qdisc. * Note: parent depends on return value to account for queue length. @@ -407,7 +426,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; struct sk_buff *skb2; + struct sk_buff *segs = NULL; + unsigned int len = 0, last_len, prev_len = qdisc_pkt_len(skb); + int nb = 0; int count = 1; + int rc = NET_XMIT_SUCCESS; /* Random duplication */ if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor)) @@ -453,10 +476,23 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) * do it now in software before we mangle it. */ if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) { + if (skb_is_gso(skb)) { + segs = netem_segment(skb, sch); + if (!segs) + return NET_XMIT_DROP; + } else { + segs = skb; + } + + skb = segs; + segs = segs->next; + if (!(skb = skb_unshare(skb, GFP_ATOMIC)) || (skb->ip_summed == CHECKSUM_PARTIAL && - skb_checksum_help(skb))) - return qdisc_drop(skb, sch); + skb_checksum_help(skb))) { + rc = qdisc_drop(skb, sch); + goto finish_segs; + } skb->data[prandom_u32() % skb_headlen(skb)] ^= 1<<(prandom_u32() % 8); @@ -516,6 +552,27 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) sch->qstats.requeues++; } +finish_segs: + if (segs) { + while (segs) { + skb2 = segs->next; + segs->next = NULL; + qdisc_skb_cb(segs)->pkt_len = segs->len; + last_len = segs->len; + rc = qdisc_enqueue(segs, sch); + if (rc != NET_XMIT_SUCCESS) { + if (net_xmit_drop_count(rc)) + qdisc_qstats_drop(sch); + } else { + nb++; + len += last_len; + } + segs = skb2; + } + sch->q.qlen += nb; + if (nb > 1) + qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len); + } return NET_XMIT_SUCCESS; } diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 2b9b98f1c2ff..b7e01d88bdc5 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -305,6 +305,8 @@ static void switchdev_port_attr_set_deferred(struct net_device *dev, if (err && err != -EOPNOTSUPP) netdev_err(dev, "failed (err=%d) to set attribute (id=%d)\n", err, attr->id); + if (attr->complete) + attr->complete(dev, err, attr->complete_priv); } static int switchdev_port_attr_set_defer(struct net_device *dev, @@ -434,6 +436,8 @@ static void switchdev_port_obj_add_deferred(struct net_device *dev, if (err && err != -EOPNOTSUPP) netdev_err(dev, "failed (err=%d) to add object (id=%d)\n", err, obj->id); + if (obj->complete) + obj->complete(dev, err, obj->complete_priv); } static int switchdev_port_obj_add_defer(struct net_device *dev, @@ -502,6 +506,8 @@ static void switchdev_port_obj_del_deferred(struct net_device *dev, if (err && err != -EOPNOTSUPP) netdev_err(dev, "failed (err=%d) to del object (id=%d)\n", err, obj->id); + if (obj->complete) + obj->complete(dev, err, obj->complete_priv); } static int switchdev_port_obj_del_defer(struct net_device *dev, diff --git a/net/tipc/node.c b/net/tipc/node.c index ace178fd3850..9aaa1bc566ae 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -1444,6 +1444,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) int bearer_id = b->identity; struct tipc_link_entry *le; u16 bc_ack = msg_bcast_ack(hdr); + u32 self = tipc_own_addr(net); int rc = 0; __skb_queue_head_init(&xmitq); @@ -1460,6 +1461,10 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) return tipc_node_bc_rcv(net, skb, bearer_id); } + /* Discard unicast link messages destined for another node */ + if (unlikely(!msg_short(hdr) && (msg_destnode(hdr) != self))) + goto discard; + /* Locate neighboring node that sent packet */ n = tipc_node_find(net, msg_prevnode(hdr)); if (unlikely(!n)) diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output_kern.c index 8d8d1ec429eb..9b96f4fb8cea 100644 --- a/samples/bpf/trace_output_kern.c +++ b/samples/bpf/trace_output_kern.c @@ -18,7 +18,6 @@ int bpf_prog1(struct pt_regs *ctx) u64 cookie; } data; - memset(&data, 0, sizeof(data)); data.pid = bpf_get_current_pid_tgid(); data.cookie = 0x12345678; diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 161dd0d67da8..a9155077feef 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -371,6 +371,49 @@ static void do_usb_table(void *symval, unsigned long size, do_usb_entry_multi(symval + i, mod); } +static void do_of_entry_multi(void *symval, struct module *mod) +{ + char alias[500]; + int len; + char *tmp; + + DEF_FIELD_ADDR(symval, of_device_id, name); + DEF_FIELD_ADDR(symval, of_device_id, type); + DEF_FIELD_ADDR(symval, of_device_id, compatible); + + len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", + (*type)[0] ? *type : "*"); + + if (compatible[0]) + sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", + *compatible); + + /* Replace all whitespace with underscores */ + for (tmp = alias; tmp && *tmp; tmp++) + if (isspace(*tmp)) + *tmp = '_'; + + buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); + strcat(alias, "C"); + add_wildcard(alias); + buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); +} + +static void do_of_table(void *symval, unsigned long size, + struct module *mod) +{ + unsigned int i; + const unsigned long id_size = SIZE_of_device_id; + + device_id_check(mod->name, "of", size, id_size, symval); + + /* Leave last one: it's the terminator. */ + size -= id_size; + + for (i = 0; i < size; i += id_size) + do_of_entry_multi(symval + i, mod); +} + /* Looks like: hid:bNvNpN */ static int do_hid_entry(const char *filename, void *symval, char *alias) @@ -684,30 +727,6 @@ static int do_pcmcia_entry(const char *filename, } ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry); -static int do_of_entry (const char *filename, void *symval, char *alias) -{ - int len; - char *tmp; - DEF_FIELD_ADDR(symval, of_device_id, name); - DEF_FIELD_ADDR(symval, of_device_id, type); - DEF_FIELD_ADDR(symval, of_device_id, compatible); - - len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", - (*type)[0] ? *type : "*"); - - if (compatible[0]) - sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", - *compatible); - - /* Replace all whitespace with underscores */ - for (tmp = alias; tmp && *tmp; tmp++) - if (isspace (*tmp)) - *tmp = '_'; - - return 1; -} -ADD_TO_DEVTABLE("of", of_device_id, do_of_entry); - static int do_vio_entry(const char *filename, void *symval, char *alias) { @@ -1348,6 +1367,8 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, /* First handle the "special" cases */ if (sym_is(name, namelen, "usb")) do_usb_table(symval, sym->st_size, mod); + if (sym_is(name, namelen, "of")) + do_of_table(symval, sym->st_size, mod); else if (sym_is(name, namelen, "pnp")) do_pnp_device_entry(symval, sym->st_size, mod); else if (sym_is(name, namelen, "pnp_card")) diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index be09e2cacf82..3cd0a58672dd 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -884,10 +884,10 @@ static char *func_tokens[] = { "BPRM_CHECK", "MODULE_CHECK", "FIRMWARE_CHECK", + "POST_SETATTR", "KEXEC_KERNEL_CHECK", "KEXEC_INITRAMFS_CHECK", - "POLICY_CHECK", - "POST_SETATTR" + "POLICY_CHECK" }; void *ima_policy_start(struct seq_file *m, loff_t *pos) diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index 023cc4cad5c1..626f3bb24c55 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -104,12 +104,11 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_init_all); */ void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus) { - struct hdac_stream *s; + struct hdac_stream *s, *_s; struct hdac_ext_stream *stream; struct hdac_bus *bus = ebus_to_hbus(ebus); - while (!list_empty(&bus->stream_list)) { - s = list_first_entry(&bus->stream_list, struct hdac_stream, list); + list_for_each_entry_safe(s, _s, &bus->stream_list, list) { stream = stream_to_hdac_ext_stream(s); snd_hdac_ext_stream_decouple(ebus, stream, false); list_del(&s->list); diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 54babe1c0b16..607bbeaebddf 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -20,6 +20,7 @@ #include <sound/core.h> #include <sound/hdaudio.h> #include <sound/hda_i915.h> +#include <sound/hda_register.h> static struct i915_audio_component *hdac_acomp; @@ -97,26 +98,65 @@ int snd_hdac_display_power(struct hdac_bus *bus, bool enable) } EXPORT_SYMBOL_GPL(snd_hdac_display_power); +#define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \ + ((pci)->device == 0x0c0c) || \ + ((pci)->device == 0x0d0c) || \ + ((pci)->device == 0x160c)) + /** - * snd_hdac_get_display_clk - Get CDCLK in kHz + * snd_hdac_i915_set_bclk - Reprogram BCLK for HSW/BDW * @bus: HDA core bus * - * This function is supposed to be used only by a HD-audio controller - * driver that needs the interaction with i915 graphics. + * Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK + * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value) + * are used to convert CDClk (Core Display Clock) to 24MHz BCLK: + * BCLK = CDCLK * M / N + * The values will be lost when the display power well is disabled and need to + * be restored to avoid abnormal playback speed. * - * This function queries CDCLK value in kHz from the graphics driver and - * returns the value. A negative code is returned in error. + * Call this function at initializing and changing power well, as well as + * at ELD notifier for the hotplug. */ -int snd_hdac_get_display_clk(struct hdac_bus *bus) +void snd_hdac_i915_set_bclk(struct hdac_bus *bus) { struct i915_audio_component *acomp = bus->audio_component; + struct pci_dev *pci = to_pci_dev(bus->dev); + int cdclk_freq; + unsigned int bclk_m, bclk_n; + + if (!acomp || !acomp->ops || !acomp->ops->get_cdclk_freq) + return; /* only for i915 binding */ + if (!CONTROLLER_IN_GPU(pci)) + return; /* only HSW/BDW */ + + cdclk_freq = acomp->ops->get_cdclk_freq(acomp->dev); + switch (cdclk_freq) { + case 337500: + bclk_m = 16; + bclk_n = 225; + break; + + case 450000: + default: /* default CDCLK 450MHz */ + bclk_m = 4; + bclk_n = 75; + break; + + case 540000: + bclk_m = 4; + bclk_n = 90; + break; + + case 675000: + bclk_m = 8; + bclk_n = 225; + break; + } - if (!acomp || !acomp->ops) - return -ENODEV; - - return acomp->ops->get_cdclk_freq(acomp->dev); + snd_hdac_chip_writew(bus, HSW_EM4, bclk_m); + snd_hdac_chip_writew(bus, HSW_EM5, bclk_n); } -EXPORT_SYMBOL_GPL(snd_hdac_get_display_clk); +EXPORT_SYMBOL_GPL(snd_hdac_i915_set_bclk); /* There is a fixed mapping between audio pin node and display port * on current Intel platforms: diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 637b8a0e2a91..9a0d1445ca5c 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -857,50 +857,6 @@ static int param_set_xint(const char *val, const struct kernel_param *kp) #define azx_del_card_list(chip) /* NOP */ #endif /* CONFIG_PM */ -/* Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK - * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value) - * are used to convert CDClk (Core Display Clock) to 24MHz BCLK: - * BCLK = CDCLK * M / N - * The values will be lost when the display power well is disabled and need to - * be restored to avoid abnormal playback speed. - */ -static void haswell_set_bclk(struct hda_intel *hda) -{ - struct azx *chip = &hda->chip; - int cdclk_freq; - unsigned int bclk_m, bclk_n; - - if (!hda->need_i915_power) - return; - - cdclk_freq = snd_hdac_get_display_clk(azx_bus(chip)); - switch (cdclk_freq) { - case 337500: - bclk_m = 16; - bclk_n = 225; - break; - - case 450000: - default: /* default CDCLK 450MHz */ - bclk_m = 4; - bclk_n = 75; - break; - - case 540000: - bclk_m = 4; - bclk_n = 90; - break; - - case 675000: - bclk_m = 8; - bclk_n = 225; - break; - } - - azx_writew(chip, HSW_EM4, bclk_m); - azx_writew(chip, HSW_EM5, bclk_n); -} - #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO) /* * power management @@ -958,7 +914,7 @@ static int azx_resume(struct device *dev) if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL && hda->need_i915_power) { snd_hdac_display_power(azx_bus(chip), true); - haswell_set_bclk(hda); + snd_hdac_i915_set_bclk(azx_bus(chip)); } if (chip->msi) if (pci_enable_msi(pci) < 0) @@ -1058,7 +1014,7 @@ static int azx_runtime_resume(struct device *dev) bus = azx_bus(chip); if (hda->need_i915_power) { snd_hdac_display_power(bus, true); - haswell_set_bclk(hda); + snd_hdac_i915_set_bclk(bus); } else { /* toggle codec wakeup bit for STATESTS read */ snd_hdac_set_codec_wakeup(bus, true); @@ -1796,12 +1752,8 @@ static int azx_first_init(struct azx *chip) /* initialize chip */ azx_init_pci(chip); - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { - struct hda_intel *hda; - - hda = container_of(chip, struct hda_intel, chip); - haswell_set_bclk(hda); - } + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + snd_hdac_i915_set_bclk(bus); hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 40933aa33afe..1483f85999ec 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2232,6 +2232,7 @@ static void intel_pin_eld_notify(void *audio_ptr, int port) if (atomic_read(&(codec)->core.in_pm)) return; + snd_hdac_i915_set_bclk(&codec->bus->core); check_presence_and_report(codec, pin_nid); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 810bceee4fd2..ac4490a96863 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5584,6 +5584,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x504a, "ThinkPad X260", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE), SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K), diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 649e92a252ae..7ef3a0c16478 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -629,6 +629,7 @@ config SND_SOC_RT5514 config SND_SOC_RT5616 tristate "Realtek RT5616 CODEC" + depends on I2C config SND_SOC_RT5631 tristate "Realtek ALC5631/RT5631 CODEC" diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 92d22a018d68..83959312f7a0 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -249,6 +249,18 @@ int arizona_init_spk(struct snd_soc_codec *codec) } EXPORT_SYMBOL_GPL(arizona_init_spk); +int arizona_free_spk(struct snd_soc_codec *codec) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + + arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN, arizona); + arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT, arizona); + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_free_spk); + static const struct snd_soc_dapm_route arizona_mono_routes[] = { { "OUT1R", NULL, "OUT1L" }, { "OUT2R", NULL, "OUT2L" }, diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h index 1ea8e4ecf8d4..ce0531b8c632 100644 --- a/sound/soc/codecs/arizona.h +++ b/sound/soc/codecs/arizona.h @@ -307,6 +307,8 @@ extern int arizona_init_spk(struct snd_soc_codec *codec); extern int arizona_init_gpio(struct snd_soc_codec *codec); extern int arizona_init_mono(struct snd_soc_codec *codec); +extern int arizona_free_spk(struct snd_soc_codec *codec); + extern int arizona_init_dai(struct arizona_priv *priv, int dai); int arizona_set_output_mode(struct snd_soc_codec *codec, int output, diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c index 44c30fe3e315..287d13740be4 100644 --- a/sound/soc/codecs/cs35l32.c +++ b/sound/soc/codecs/cs35l32.c @@ -274,7 +274,9 @@ static int cs35l32_handle_of_data(struct i2c_client *i2c_client, if (of_property_read_u32(np, "cirrus,sdout-share", &val) >= 0) pdata->sdout_share = val; - of_property_read_u32(np, "cirrus,boost-manager", &val); + if (of_property_read_u32(np, "cirrus,boost-manager", &val)) + val = -1u; + switch (val) { case CS35L32_BOOST_MGR_AUTO: case CS35L32_BOOST_MGR_AUTO_AUDIO: @@ -282,13 +284,15 @@ static int cs35l32_handle_of_data(struct i2c_client *i2c_client, case CS35L32_BOOST_MGR_FIXED: pdata->boost_mng = val; break; + case -1u: default: dev_err(&i2c_client->dev, "Wrong cirrus,boost-manager DT value %d\n", val); pdata->boost_mng = CS35L32_BOOST_MGR_BYPASS; } - of_property_read_u32(np, "cirrus,sdout-datacfg", &val); + if (of_property_read_u32(np, "cirrus,sdout-datacfg", &val)) + val = -1u; switch (val) { case CS35L32_DATA_CFG_LR_VP: case CS35L32_DATA_CFG_LR_STAT: @@ -296,13 +300,15 @@ static int cs35l32_handle_of_data(struct i2c_client *i2c_client, case CS35L32_DATA_CFG_LR_VPSTAT: pdata->sdout_datacfg = val; break; + case -1u: default: dev_err(&i2c_client->dev, "Wrong cirrus,sdout-datacfg DT value %d\n", val); pdata->sdout_datacfg = CS35L32_DATA_CFG_LR; } - of_property_read_u32(np, "cirrus,battery-threshold", &val); + if (of_property_read_u32(np, "cirrus,battery-threshold", &val)) + val = -1u; switch (val) { case CS35L32_BATT_THRESH_3_1V: case CS35L32_BATT_THRESH_3_2V: @@ -310,13 +316,15 @@ static int cs35l32_handle_of_data(struct i2c_client *i2c_client, case CS35L32_BATT_THRESH_3_4V: pdata->batt_thresh = val; break; + case -1u: default: dev_err(&i2c_client->dev, "Wrong cirrus,battery-threshold DT value %d\n", val); pdata->batt_thresh = CS35L32_BATT_THRESH_3_3V; } - of_property_read_u32(np, "cirrus,battery-recovery", &val); + if (of_property_read_u32(np, "cirrus,battery-recovery", &val)) + val = -1u; switch (val) { case CS35L32_BATT_RECOV_3_1V: case CS35L32_BATT_RECOV_3_2V: @@ -326,6 +334,7 @@ static int cs35l32_handle_of_data(struct i2c_client *i2c_client, case CS35L32_BATT_RECOV_3_6V: pdata->batt_recov = val; break; + case -1u: default: dev_err(&i2c_client->dev, "Wrong cirrus,battery-recovery DT value %d\n", val); diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c index 576087bda330..00e9b6fc1b5c 100644 --- a/sound/soc/codecs/cs47l24.c +++ b/sound/soc/codecs/cs47l24.c @@ -1108,6 +1108,9 @@ static int cs47l24_codec_remove(struct snd_soc_codec *codec) priv->core.arizona->dapm = NULL; arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv); + + arizona_free_spk(codec); + return 0; } diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index 26f9459cb3bc..aaa038ffc8a5 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -1420,32 +1420,39 @@ static int hdmi_codec_remove(struct snd_soc_codec *codec) } #ifdef CONFIG_PM -static int hdmi_codec_resume(struct snd_soc_codec *codec) +static int hdmi_codec_prepare(struct device *dev) { - struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); + struct hdac_ext_device *edev = to_hda_ext_device(dev); + struct hdac_device *hdac = &edev->hdac; + + pm_runtime_get_sync(&edev->hdac.dev); + + /* + * Power down afg. + * codec_read is preferred over codec_write to set the power state. + * This way verb is send to set the power state and response + * is received. So setting power state is ensured without using loop + * to read the state. + */ + snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, + AC_PWRST_D3); + + return 0; +} + +static void hdmi_codec_complete(struct device *dev) +{ + struct hdac_ext_device *edev = to_hda_ext_device(dev); struct hdac_hdmi_priv *hdmi = edev->private_data; struct hdac_hdmi_pin *pin; struct hdac_device *hdac = &edev->hdac; - struct hdac_bus *bus = hdac->bus; - int err; - unsigned long timeout; - - hdac_hdmi_skl_enable_all_pins(&edev->hdac); - hdac_hdmi_skl_enable_dp12(&edev->hdac); /* Power up afg */ - if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) { - - snd_hdac_codec_write(hdac, hdac->afg, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, + AC_PWRST_D0); - /* Wait till power state is set to D0 */ - timeout = jiffies + msecs_to_jiffies(1000); - while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0) - && time_before(jiffies, timeout)) { - msleep(50); - } - } + hdac_hdmi_skl_enable_all_pins(&edev->hdac); + hdac_hdmi_skl_enable_dp12(&edev->hdac); /* * As the ELD notify callback request is not entertained while the @@ -1455,28 +1462,16 @@ static int hdmi_codec_resume(struct snd_soc_codec *codec) list_for_each_entry(pin, &hdmi->pin_list, head) hdac_hdmi_present_sense(pin, 1); - /* - * Codec power is turned ON during controller resume. - * Turn it OFF here - */ - err = snd_hdac_display_power(bus, false); - if (err < 0) { - dev_err(bus->dev, - "Cannot turn OFF display power on i915, err: %d\n", - err); - return err; - } - - return 0; + pm_runtime_put_sync(&edev->hdac.dev); } #else -#define hdmi_codec_resume NULL +#define hdmi_codec_prepare NULL +#define hdmi_codec_complete NULL #endif static struct snd_soc_codec_driver hdmi_hda_codec = { .probe = hdmi_codec_probe, .remove = hdmi_codec_remove, - .resume = hdmi_codec_resume, .idle_bias_off = true, }; @@ -1561,7 +1556,6 @@ static int hdac_hdmi_runtime_suspend(struct device *dev) struct hdac_ext_device *edev = to_hda_ext_device(dev); struct hdac_device *hdac = &edev->hdac; struct hdac_bus *bus = hdac->bus; - unsigned long timeout; int err; dev_dbg(dev, "Enter: %s\n", __func__); @@ -1570,20 +1564,15 @@ static int hdac_hdmi_runtime_suspend(struct device *dev) if (!bus) return 0; - /* Power down afg */ - if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) { - snd_hdac_codec_write(hdac, hdac->afg, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); - - /* Wait till power state is set to D3 */ - timeout = jiffies + msecs_to_jiffies(1000); - while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3) - && time_before(jiffies, timeout)) { - - msleep(50); - } - } - + /* + * Power down afg. + * codec_read is preferred over codec_write to set the power state. + * This way verb is send to set the power state and response + * is received. So setting power state is ensured without using loop + * to read the state. + */ + snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, + AC_PWRST_D3); err = snd_hdac_display_power(bus, false); if (err < 0) { dev_err(bus->dev, "Cannot turn on display power on i915\n"); @@ -1616,9 +1605,8 @@ static int hdac_hdmi_runtime_resume(struct device *dev) hdac_hdmi_skl_enable_dp12(&edev->hdac); /* Power up afg */ - if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) - snd_hdac_codec_write(hdac, hdac->afg, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, + AC_PWRST_D0); return 0; } @@ -1629,6 +1617,8 @@ static int hdac_hdmi_runtime_resume(struct device *dev) static const struct dev_pm_ops hdac_hdmi_pm = { SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) + .prepare = hdmi_codec_prepare, + .complete = hdmi_codec_complete, }; static const struct hda_device_id hdmi_list[] = { diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 1c8729984c2b..683769f0f246 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -343,9 +343,12 @@ static const struct snd_soc_dapm_widget nau8825_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("ADC Power", NAU8825_REG_ANALOG_ADC_2, 6, 0, NULL, 0), - /* ADC for button press detection */ - SND_SOC_DAPM_ADC("SAR", NULL, NAU8825_REG_SAR_CTRL, - NAU8825_SAR_ADC_EN_SFT, 0), + /* ADC for button press detection. A dapm supply widget is used to + * prevent dapm_power_widgets keeping the codec at SND_SOC_BIAS_ON + * during suspend. + */ + SND_SOC_DAPM_SUPPLY("SAR", NAU8825_REG_SAR_CTRL, + NAU8825_SAR_ADC_EN_SFT, 0, NULL, 0), SND_SOC_DAPM_PGA_S("ADACL", 2, NAU8825_REG_RDAC, 12, 0, NULL, 0), SND_SOC_DAPM_PGA_S("ADACR", 2, NAU8825_REG_RDAC, 13, 0, NULL, 0), @@ -607,6 +610,16 @@ static bool nau8825_is_jack_inserted(struct regmap *regmap) static void nau8825_restart_jack_detection(struct regmap *regmap) { + /* Chip needs one FSCLK cycle in order to generate interrupts, + * as we cannot guarantee one will be provided by the system. Turning + * master mode on then off enables us to generate that FSCLK cycle + * with a minimum of contention on the clock bus. + */ + regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER); + regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE); + /* this will restart the entire jack detection process including MIC/GND * switching and create interrupts. We have to go from 0 to 1 and back * to 0 to restart. @@ -728,7 +741,10 @@ static irqreturn_t nau8825_interrupt(int irq, void *data) struct regmap *regmap = nau8825->regmap; int active_irq, clear_irq = 0, event = 0, event_mask = 0; - regmap_read(regmap, NAU8825_REG_IRQ_STATUS, &active_irq); + if (regmap_read(regmap, NAU8825_REG_IRQ_STATUS, &active_irq)) { + dev_err(nau8825->dev, "failed to read irq status\n"); + return IRQ_NONE; + } if ((active_irq & NAU8825_JACK_EJECTION_IRQ_MASK) == NAU8825_JACK_EJECTION_DETECTED) { @@ -1141,33 +1157,74 @@ static int nau8825_set_bias_level(struct snd_soc_codec *codec, return ret; } } - - ret = regcache_sync(nau8825->regmap); - if (ret) { - dev_err(codec->dev, - "Failed to sync cache: %d\n", ret); - return ret; - } } - break; case SND_SOC_BIAS_OFF: if (nau8825->mclk_freq) clk_disable_unprepare(nau8825->mclk); - - regcache_mark_dirty(nau8825->regmap); break; } return 0; } +#ifdef CONFIG_PM +static int nau8825_suspend(struct snd_soc_codec *codec) +{ + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + disable_irq(nau8825->irq); + regcache_cache_only(nau8825->regmap, true); + regcache_mark_dirty(nau8825->regmap); + + return 0; +} + +static int nau8825_resume(struct snd_soc_codec *codec) +{ + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + /* The chip may lose power and reset in S3. regcache_sync restores + * register values including configurations for sysclk, irq, and + * jack/button detection. + */ + regcache_cache_only(nau8825->regmap, false); + regcache_sync(nau8825->regmap); + + /* Check the jack plug status directly. If the headset is unplugged + * during S3 when the chip has no power, there will be no jack + * detection irq even after the nau8825_restart_jack_detection below, + * because the chip just thinks no headset has ever been plugged in. + */ + if (!nau8825_is_jack_inserted(nau8825->regmap)) { + nau8825_eject_jack(nau8825); + snd_soc_jack_report(nau8825->jack, 0, SND_JACK_HEADSET); + } + + enable_irq(nau8825->irq); + + /* Run jack detection to check the type (OMTP or CTIA) of the headset + * if there is one. This handles the case where a different type of + * headset is plugged in during S3. This triggers an IRQ iff a headset + * is already plugged in. + */ + nau8825_restart_jack_detection(nau8825->regmap); + + return 0; +} +#else +#define nau8825_suspend NULL +#define nau8825_resume NULL +#endif + static struct snd_soc_codec_driver nau8825_codec_driver = { .probe = nau8825_codec_probe, .set_sysclk = nau8825_set_sysclk, .set_pll = nau8825_set_pll, .set_bias_level = nau8825_set_bias_level, .suspend_bias_off = true, + .suspend = nau8825_suspend, + .resume = nau8825_resume, .controls = nau8825_controls, .num_controls = ARRAY_SIZE(nau8825_controls), @@ -1277,16 +1334,6 @@ static int nau8825_setup_irq(struct nau8825 *nau8825) regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL, NAU8825_ENABLE_DACR, NAU8825_ENABLE_DACR); - /* Chip needs one FSCLK cycle in order to generate interrupts, - * as we cannot guarantee one will be provided by the system. Turning - * master mode on then off enables us to generate that FSCLK cycle - * with a minimum of contention on the clock bus. - */ - regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, - NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_MASTER); - regmap_update_bits(regmap, NAU8825_REG_I2S_PCM_CTRL2, - NAU8825_I2S_MS_MASK, NAU8825_I2S_MS_SLAVE); - ret = devm_request_threaded_irq(nau8825->dev, nau8825->irq, NULL, nau8825_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT, "nau8825", nau8825); @@ -1354,36 +1401,6 @@ static int nau8825_i2c_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM_SLEEP -static int nau8825_suspend(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct nau8825 *nau8825 = dev_get_drvdata(dev); - - disable_irq(client->irq); - regcache_cache_only(nau8825->regmap, true); - regcache_mark_dirty(nau8825->regmap); - - return 0; -} - -static int nau8825_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct nau8825 *nau8825 = dev_get_drvdata(dev); - - regcache_cache_only(nau8825->regmap, false); - regcache_sync(nau8825->regmap); - enable_irq(client->irq); - - return 0; -} -#endif - -static const struct dev_pm_ops nau8825_pm = { - SET_SYSTEM_SLEEP_PM_OPS(nau8825_suspend, nau8825_resume) -}; - static const struct i2c_device_id nau8825_i2c_ids[] = { { "nau8825", 0 }, { } @@ -1410,7 +1427,6 @@ static struct i2c_driver nau8825_driver = { .name = "nau8825", .of_match_table = of_match_ptr(nau8825_of_ids), .acpi_match_table = ACPI_PTR(nau8825_acpi_match), - .pm = &nau8825_pm, }, .probe = nau8825_i2c_probe, .remove = nau8825_i2c_remove, diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index e8b5ba04417a..09e8988bbb2d 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -359,7 +359,7 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv, /* Interface data select */ static const char * const rt5640_data_select[] = { - "Normal", "left copy to right", "right copy to left", "Swap"}; + "Normal", "Swap", "left copy to right", "right copy to left"}; static SOC_ENUM_SINGLE_DECL(rt5640_if1_dac_enum, RT5640_DIG_INF_DATA, RT5640_IF1_DAC_SEL_SFT, rt5640_data_select); diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h index 1761c3a98b76..58b664b06c16 100644 --- a/sound/soc/codecs/rt5640.h +++ b/sound/soc/codecs/rt5640.h @@ -443,39 +443,39 @@ #define RT5640_IF1_DAC_SEL_MASK (0x3 << 14) #define RT5640_IF1_DAC_SEL_SFT 14 #define RT5640_IF1_DAC_SEL_NOR (0x0 << 14) -#define RT5640_IF1_DAC_SEL_L2R (0x1 << 14) -#define RT5640_IF1_DAC_SEL_R2L (0x2 << 14) -#define RT5640_IF1_DAC_SEL_SWAP (0x3 << 14) +#define RT5640_IF1_DAC_SEL_SWAP (0x1 << 14) +#define RT5640_IF1_DAC_SEL_L2R (0x2 << 14) +#define RT5640_IF1_DAC_SEL_R2L (0x3 << 14) #define RT5640_IF1_ADC_SEL_MASK (0x3 << 12) #define RT5640_IF1_ADC_SEL_SFT 12 #define RT5640_IF1_ADC_SEL_NOR (0x0 << 12) -#define RT5640_IF1_ADC_SEL_L2R (0x1 << 12) -#define RT5640_IF1_ADC_SEL_R2L (0x2 << 12) -#define RT5640_IF1_ADC_SEL_SWAP (0x3 << 12) +#define RT5640_IF1_ADC_SEL_SWAP (0x1 << 12) +#define RT5640_IF1_ADC_SEL_L2R (0x2 << 12) +#define RT5640_IF1_ADC_SEL_R2L (0x3 << 12) #define RT5640_IF2_DAC_SEL_MASK (0x3 << 10) #define RT5640_IF2_DAC_SEL_SFT 10 #define RT5640_IF2_DAC_SEL_NOR (0x0 << 10) -#define RT5640_IF2_DAC_SEL_L2R (0x1 << 10) -#define RT5640_IF2_DAC_SEL_R2L (0x2 << 10) -#define RT5640_IF2_DAC_SEL_SWAP (0x3 << 10) +#define RT5640_IF2_DAC_SEL_SWAP (0x1 << 10) +#define RT5640_IF2_DAC_SEL_L2R (0x2 << 10) +#define RT5640_IF2_DAC_SEL_R2L (0x3 << 10) #define RT5640_IF2_ADC_SEL_MASK (0x3 << 8) #define RT5640_IF2_ADC_SEL_SFT 8 #define RT5640_IF2_ADC_SEL_NOR (0x0 << 8) -#define RT5640_IF2_ADC_SEL_L2R (0x1 << 8) -#define RT5640_IF2_ADC_SEL_R2L (0x2 << 8) -#define RT5640_IF2_ADC_SEL_SWAP (0x3 << 8) +#define RT5640_IF2_ADC_SEL_SWAP (0x1 << 8) +#define RT5640_IF2_ADC_SEL_L2R (0x2 << 8) +#define RT5640_IF2_ADC_SEL_R2L (0x3 << 8) #define RT5640_IF3_DAC_SEL_MASK (0x3 << 6) #define RT5640_IF3_DAC_SEL_SFT 6 #define RT5640_IF3_DAC_SEL_NOR (0x0 << 6) -#define RT5640_IF3_DAC_SEL_L2R (0x1 << 6) -#define RT5640_IF3_DAC_SEL_R2L (0x2 << 6) -#define RT5640_IF3_DAC_SEL_SWAP (0x3 << 6) +#define RT5640_IF3_DAC_SEL_SWAP (0x1 << 6) +#define RT5640_IF3_DAC_SEL_L2R (0x2 << 6) +#define RT5640_IF3_DAC_SEL_R2L (0x3 << 6) #define RT5640_IF3_ADC_SEL_MASK (0x3 << 4) #define RT5640_IF3_ADC_SEL_SFT 4 #define RT5640_IF3_ADC_SEL_NOR (0x0 << 4) -#define RT5640_IF3_ADC_SEL_L2R (0x1 << 4) -#define RT5640_IF3_ADC_SEL_R2L (0x2 << 4) -#define RT5640_IF3_ADC_SEL_SWAP (0x3 << 4) +#define RT5640_IF3_ADC_SEL_SWAP (0x1 << 4) +#define RT5640_IF3_ADC_SEL_L2R (0x2 << 4) +#define RT5640_IF3_ADC_SEL_R2L (0x3 << 4) /* REC Left Mixer Control 1 (0x3b) */ #define RT5640_G_HP_L_RM_L_MASK (0x7 << 13) diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index a8b3e3f701f9..1bae17ee8817 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -1955,11 +1955,16 @@ err_adsp2_codec_probe: static int wm5102_codec_remove(struct snd_soc_codec *codec) { struct wm5102_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->core.arizona; wm_adsp2_codec_remove(&priv->core.adsp[0], codec); priv->core.arizona->dapm = NULL; + arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv); + + arizona_free_spk(codec); + return 0; } diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index 83ba70fe16e6..2728ac545ffe 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -2298,6 +2298,8 @@ static int wm5110_codec_remove(struct snd_soc_codec *codec) arizona_free_irq(arizona, ARIZONA_IRQ_DSP_IRQ1, priv); + arizona_free_spk(codec); + return 0; } diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 88223608a33f..720a14e0687d 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -2471,7 +2471,7 @@ static void wm8962_configure_bclk(struct snd_soc_codec *codec) break; default: dev_warn(codec->dev, "Unknown DSPCLK divisor read back\n"); - dspclk = wm8962->sysclk; + dspclk = wm8962->sysclk_rate; } dev_dbg(codec->dev, "DSPCLK is %dHz, BCLK %d\n", dspclk, wm8962->bclk); diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c index 52d766efe14f..6b0785b5a5c5 100644 --- a/sound/soc/codecs/wm8997.c +++ b/sound/soc/codecs/wm8997.c @@ -1072,6 +1072,8 @@ static int wm8997_codec_remove(struct snd_soc_codec *codec) priv->core.arizona->dapm = NULL; + arizona_free_spk(codec); + return 0; } diff --git a/sound/soc/codecs/wm8998.c b/sound/soc/codecs/wm8998.c index 012396074a8a..449f66636205 100644 --- a/sound/soc/codecs/wm8998.c +++ b/sound/soc/codecs/wm8998.c @@ -1324,6 +1324,8 @@ static int wm8998_codec_remove(struct snd_soc_codec *codec) priv->core.arizona->dapm = NULL; + arizona_free_spk(codec); + return 0; } diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index b3e6c2300457..1120f4f4d011 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -163,7 +163,6 @@ config SND_SOC_INTEL_SKYLAKE tristate select SND_HDA_EXT_CORE select SND_SOC_TOPOLOGY - select SND_HDA_I915 select SND_SOC_INTEL_SST config SND_SOC_INTEL_SKL_RT286_MACH diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c index ac60f1301e21..91565229d074 100644 --- a/sound/soc/intel/haswell/sst-haswell-ipc.c +++ b/sound/soc/intel/haswell/sst-haswell-ipc.c @@ -1345,7 +1345,7 @@ int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream) return 0; /* wait for pause to complete before we reset the stream */ - while (stream->running && tries--) + while (stream->running && --tries) msleep(1); if (!tries) { dev_err(hsw->dev, "error: reset stream %d still running\n", diff --git a/sound/soc/intel/skylake/skl-sst-dsp.c b/sound/soc/intel/skylake/skl-sst-dsp.c index a5267e8a96e0..2962ef22fc84 100644 --- a/sound/soc/intel/skylake/skl-sst-dsp.c +++ b/sound/soc/intel/skylake/skl-sst-dsp.c @@ -336,6 +336,11 @@ void skl_dsp_free(struct sst_dsp *dsp) skl_ipc_int_disable(dsp); free_irq(dsp->irq, dsp); + dsp->cl_dev.ops.cl_cleanup_controller(dsp); + skl_cldma_int_disable(dsp); + skl_ipc_op_int_disable(dsp); + skl_ipc_int_disable(dsp); + skl_dsp_disable_core(dsp); } EXPORT_SYMBOL_GPL(skl_dsp_free); diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 545b4e77b8aa..cdb78b7e5a14 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -239,6 +239,7 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx, { int multiplier = 1; struct skl_module_fmt *in_fmt, *out_fmt; + int in_rate, out_rate; /* Since fixups is applied to pin 0 only, ibs, obs needs @@ -249,15 +250,24 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx, if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT) multiplier = 5; - mcfg->ibs = (in_fmt->s_freq / 1000) * - (mcfg->in_fmt->channels) * - (mcfg->in_fmt->bit_depth >> 3) * - multiplier; - - mcfg->obs = (mcfg->out_fmt->s_freq / 1000) * - (mcfg->out_fmt->channels) * - (mcfg->out_fmt->bit_depth >> 3) * - multiplier; + + if (in_fmt->s_freq % 1000) + in_rate = (in_fmt->s_freq / 1000) + 1; + else + in_rate = (in_fmt->s_freq / 1000); + + mcfg->ibs = in_rate * (mcfg->in_fmt->channels) * + (mcfg->in_fmt->bit_depth >> 3) * + multiplier; + + if (mcfg->out_fmt->s_freq % 1000) + out_rate = (mcfg->out_fmt->s_freq / 1000) + 1; + else + out_rate = (mcfg->out_fmt->s_freq / 1000); + + mcfg->obs = out_rate * (mcfg->out_fmt->channels) * + (mcfg->out_fmt->bit_depth >> 3) * + multiplier; } static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, @@ -485,11 +495,15 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) if (!skl_is_pipe_mcps_avail(skl, mconfig)) return -ENOMEM; + skl_tplg_alloc_pipe_mcps(skl, mconfig); + if (mconfig->is_loadable && ctx->dsp->fw_ops.load_mod) { ret = ctx->dsp->fw_ops.load_mod(ctx->dsp, mconfig->id.module_id, mconfig->guid); if (ret < 0) return ret; + + mconfig->m_state = SKL_MODULE_LOADED; } /* update blob if blob is null for be with default value */ @@ -509,7 +523,6 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) ret = skl_tplg_set_module_params(w, ctx); if (ret < 0) return ret; - skl_tplg_alloc_pipe_mcps(skl, mconfig); } return 0; @@ -524,7 +537,8 @@ static int skl_tplg_unload_pipe_modules(struct skl_sst *ctx, list_for_each_entry(w_module, &pipe->w_list, node) { mconfig = w_module->w->priv; - if (mconfig->is_loadable && ctx->dsp->fw_ops.unload_mod) + if (mconfig->is_loadable && ctx->dsp->fw_ops.unload_mod && + mconfig->m_state > SKL_MODULE_UNINIT) return ctx->dsp->fw_ops.unload_mod(ctx->dsp, mconfig->id.module_id); } @@ -558,6 +572,9 @@ static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, if (!skl_is_pipe_mem_avail(skl, mconfig)) return -ENOMEM; + skl_tplg_alloc_pipe_mem(skl, mconfig); + skl_tplg_alloc_pipe_mcps(skl, mconfig); + /* * Create a list of modules for pipe. * This list contains modules from source to sink @@ -601,9 +618,6 @@ static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, src_module = dst_module; } - skl_tplg_alloc_pipe_mem(skl, mconfig); - skl_tplg_alloc_pipe_mcps(skl, mconfig); - return 0; } diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h index de3c401284d9..d2d923002d5c 100644 --- a/sound/soc/intel/skylake/skl-topology.h +++ b/sound/soc/intel/skylake/skl-topology.h @@ -274,10 +274,10 @@ struct skl_pipe { enum skl_module_state { SKL_MODULE_UNINIT = 0, - SKL_MODULE_INIT_DONE = 1, - SKL_MODULE_LOADED = 2, - SKL_MODULE_UNLOADED = 3, - SKL_MODULE_BIND_DONE = 4 + SKL_MODULE_LOADED = 1, + SKL_MODULE_INIT_DONE = 2, + SKL_MODULE_BIND_DONE = 3, + SKL_MODULE_UNLOADED = 4, }; struct skl_module_cfg { diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index ab5e25aaeee3..3982f5536f2d 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -222,6 +222,7 @@ static int skl_suspend(struct device *dev) struct hdac_ext_bus *ebus = pci_get_drvdata(pci); struct skl *skl = ebus_to_skl(ebus); struct hdac_bus *bus = ebus_to_hbus(ebus); + int ret = 0; /* * Do not suspend if streams which are marked ignore suspend are @@ -232,10 +233,20 @@ static int skl_suspend(struct device *dev) enable_irq_wake(bus->irq); pci_save_state(pci); pci_disable_device(pci); - return 0; } else { - return _skl_suspend(ebus); + ret = _skl_suspend(ebus); + if (ret < 0) + return ret; + } + + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { + ret = snd_hdac_display_power(bus, false); + if (ret < 0) + dev_err(bus->dev, + "Cannot turn OFF display power on i915\n"); } + + return ret; } static int skl_resume(struct device *dev) @@ -316,17 +327,20 @@ static int skl_free(struct hdac_ext_bus *ebus) if (bus->irq >= 0) free_irq(bus->irq, (void *)bus); - if (bus->remap_addr) - iounmap(bus->remap_addr); - snd_hdac_bus_free_stream_pages(bus); snd_hdac_stream_free_all(ebus); snd_hdac_link_free_all(ebus); + + if (bus->remap_addr) + iounmap(bus->remap_addr); + pci_release_regions(skl->pci); pci_disable_device(skl->pci); snd_hdac_ext_bus_exit(ebus); + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) + snd_hdac_i915_exit(&ebus->bus); return 0; } @@ -719,12 +733,12 @@ static void skl_remove(struct pci_dev *pci) if (skl->tplg) release_firmware(skl->tplg); - if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) - snd_hdac_i915_exit(&ebus->bus); - if (pci_dev_run_wake(pci)) pm_runtime_get_noresume(&pci->dev); - pci_dev_put(pci); + + /* codec removal, invoke bus_device_remove */ + snd_hdac_ext_bus_device_remove(ebus); + skl_platform_unregister(&pci->dev); skl_free_dsp(skl); skl_machine_device_unregister(skl); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 801ae1a81dfd..c4464858bf01 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2188,6 +2188,13 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, int count = 0; char *state = "not set"; + /* card won't be set for the dummy component, as a spot fix + * we're checking for that case specifically here but in future + * we will ensure that the dummy component looks like others. + */ + if (!cmpnt->card) + return 0; + list_for_each_entry(w, &cmpnt->card->widgets, list) { if (w->dapm != dapm) continue; diff --git a/tools/usb/usbip/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am index 7c8f8a4d54e4..90daf95c0804 100644 --- a/tools/usb/usbip/libsrc/Makefile.am +++ b/tools/usb/usbip/libsrc/Makefile.am @@ -4,5 +4,7 @@ libusbip_la_LDFLAGS = -version-info @LIBUSBIP_VERSION@ lib_LTLIBRARIES := libusbip.la libusbip_la_SOURCES := names.c names.h usbip_host_driver.c usbip_host_driver.h \ - usbip_common.c usbip_common.h vhci_driver.c vhci_driver.h \ + usbip_device_driver.c usbip_device_driver.h \ + usbip_common.c usbip_common.h usbip_host_common.h \ + usbip_host_common.c vhci_driver.c vhci_driver.h \ sysfs_utils.c sysfs_utils.h diff --git a/tools/usb/usbip/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h index 15fe792e1e96..51ef5fe485dd 100644 --- a/tools/usb/usbip/libsrc/usbip_common.h +++ b/tools/usb/usbip/libsrc/usbip_common.h @@ -25,9 +25,12 @@ #define VHCI_STATE_PATH "/var/run/vhci_hcd" #endif +#define VUDC_DEVICE_DESCR_FILE "dev_desc" + /* kernel module names */ #define USBIP_CORE_MOD_NAME "usbip-core" #define USBIP_HOST_DRV_NAME "usbip-host" +#define USBIP_DEVICE_DRV_NAME "usbip-vudc" #define USBIP_VHCI_DRV_NAME "vhci_hcd" /* sysfs constants */ diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c new file mode 100644 index 000000000000..e059b7d1ec5b --- /dev/null +++ b/tools/usb/usbip/libsrc/usbip_device_driver.c @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * 2015 Samsung Electronics + * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com> + * + * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is: + * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> + * 2005-2007 Takahiro Hirofuchi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <fcntl.h> +#include <string.h> +#include <linux/usb/ch9.h> + +#include <unistd.h> + +#include "usbip_host_common.h" +#include "usbip_device_driver.h" + +#undef PROGNAME +#define PROGNAME "libusbip" + +#define copy_descr_attr16(dev, descr, attr) \ + ((dev)->attr = le16toh((descr)->attr)) \ + +#define copy_descr_attr(dev, descr, attr) \ + ((dev)->attr = (descr)->attr) \ + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static struct { + enum usb_device_speed speed; + const char *name; +} speed_names[] = { + { + .speed = USB_SPEED_UNKNOWN, + .name = "UNKNOWN", + }, + { + .speed = USB_SPEED_LOW, + .name = "low-speed", + }, + { + .speed = USB_SPEED_FULL, + .name = "full-speed", + }, + { + .speed = USB_SPEED_HIGH, + .name = "high-speed", + }, + { + .speed = USB_SPEED_WIRELESS, + .name = "wireless", + }, + { + .speed = USB_SPEED_SUPER, + .name = "super-speed", + }, +}; + +static +int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) +{ + const char *path, *name; + char filepath[SYSFS_PATH_MAX]; + struct usb_device_descriptor descr; + unsigned i; + FILE *fd = NULL; + struct udev_device *plat; + const char *speed; + int ret = 0; + + plat = udev_device_get_parent(sdev); + path = udev_device_get_syspath(plat); + snprintf(filepath, SYSFS_PATH_MAX, "%s/%s", + path, VUDC_DEVICE_DESCR_FILE); + fd = fopen(filepath, "r"); + if (!fd) + return -1; + ret = fread((char *) &descr, sizeof(descr), 1, fd); + if (ret < 0) + return -1; + fclose(fd); + + copy_descr_attr(dev, &descr, bDeviceClass); + copy_descr_attr(dev, &descr, bDeviceSubClass); + copy_descr_attr(dev, &descr, bDeviceProtocol); + copy_descr_attr(dev, &descr, bNumConfigurations); + copy_descr_attr16(dev, &descr, idVendor); + copy_descr_attr16(dev, &descr, idProduct); + copy_descr_attr16(dev, &descr, bcdDevice); + + strncpy(dev->path, path, SYSFS_PATH_MAX); + + dev->speed = USB_SPEED_UNKNOWN; + speed = udev_device_get_sysattr_value(sdev, "current_speed"); + if (speed) { + for (i = 0; i < ARRAY_SIZE(speed_names); i++) { + if (!strcmp(speed_names[i].name, speed)) { + dev->speed = speed_names[i].speed; + break; + } + } + } + + /* Only used for user output, little sense to output them in general */ + dev->bNumInterfaces = 0; + dev->bConfigurationValue = 0; + dev->busnum = 0; + + name = udev_device_get_sysname(plat); + strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE); + return 0; +} + +static int is_my_device(struct udev_device *dev) +{ + const char *driver; + + driver = udev_device_get_property_value(dev, "USB_UDC_NAME"); + return driver != NULL && !strcmp(driver, USBIP_DEVICE_DRV_NAME); +} + +static int usbip_device_driver_open(struct usbip_host_driver *hdriver) +{ + int ret; + + hdriver->ndevs = 0; + INIT_LIST_HEAD(&hdriver->edev_list); + + ret = usbip_generic_driver_open(hdriver); + if (ret) + err("please load " USBIP_CORE_MOD_NAME ".ko and " + USBIP_DEVICE_DRV_NAME ".ko!"); + + return ret; +} + +struct usbip_host_driver device_driver = { + .edev_list = LIST_HEAD_INIT(device_driver.edev_list), + .udev_subsystem = "udc", + .ops = { + .open = usbip_device_driver_open, + .close = usbip_generic_driver_close, + .refresh_device_list = usbip_generic_refresh_device_list, + .get_device = usbip_generic_get_device, + .read_device = read_usb_vudc_device, + .is_my_device = is_my_device, + }, +}; diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.h b/tools/usb/usbip/libsrc/usbip_device_driver.h new file mode 100644 index 000000000000..54cb658b37a3 --- /dev/null +++ b/tools/usb/usbip/libsrc/usbip_device_driver.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> + * 2015 Samsung Electronics + * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com> + * + * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is: + * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> + * 2005-2007 Takahiro Hirofuchi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __USBIP_DEVICE_DRIVER_H +#define __USBIP_DEVICE_DRIVER_H + +#include <stdint.h> +#include "usbip_common.h" +#include "usbip_host_common.h" +#include "list.h" + +extern struct usbip_host_driver device_driver; + +#endif /* __USBIP_DEVICE_DRIVER_H */ diff --git a/tools/usb/usbip/libsrc/usbip_host_common.c b/tools/usb/usbip/libsrc/usbip_host_common.c new file mode 100644 index 000000000000..9d415228883d --- /dev/null +++ b/tools/usb/usbip/libsrc/usbip_host_common.c @@ -0,0 +1,273 @@ +/* + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * Refactored from usbip_host_driver.c, which is: + * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> + * 2005-2007 Takahiro Hirofuchi + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include <errno.h> +#include <unistd.h> + +#include <libudev.h> + +#include "usbip_common.h" +#include "usbip_host_common.h" +#include "list.h" +#include "sysfs_utils.h" + +struct udev *udev_context; + +static int32_t read_attr_usbip_status(struct usbip_usb_device *udev) +{ + char status_attr_path[SYSFS_PATH_MAX]; + int fd; + int length; + char status; + int value = 0; + + snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status", + udev->path); + + fd = open(status_attr_path, O_RDONLY); + if (fd < 0) { + err("error opening attribute %s", status_attr_path); + return -1; + } + + length = read(fd, &status, 1); + if (length < 0) { + err("error reading attribute %s", status_attr_path); + close(fd); + return -1; + } + + value = atoi(&status); + + return value; +} + +static +struct usbip_exported_device *usbip_exported_device_new( + struct usbip_host_driver *hdriver, const char *sdevpath) +{ + struct usbip_exported_device *edev = NULL; + struct usbip_exported_device *edev_old; + size_t size; + int i; + + edev = calloc(1, sizeof(struct usbip_exported_device)); + + edev->sudev = + udev_device_new_from_syspath(udev_context, sdevpath); + if (!edev->sudev) { + err("udev_device_new_from_syspath: %s", sdevpath); + goto err; + } + + if (hdriver->ops.read_device(edev->sudev, &edev->udev) < 0) + goto err; + + edev->status = read_attr_usbip_status(&edev->udev); + if (edev->status < 0) + goto err; + + /* reallocate buffer to include usb interface data */ + size = sizeof(struct usbip_exported_device) + + edev->udev.bNumInterfaces * sizeof(struct usbip_usb_interface); + + edev_old = edev; + edev = realloc(edev, size); + if (!edev) { + edev = edev_old; + dbg("realloc failed"); + goto err; + } + + for (i = 0; i < edev->udev.bNumInterfaces; i++) { + /* vudc does not support reading interfaces */ + if (!hdriver->ops.read_interface) + break; + hdriver->ops.read_interface(&edev->udev, i, &edev->uinf[i]); + } + + return edev; +err: + if (edev->sudev) + udev_device_unref(edev->sudev); + if (edev) + free(edev); + + return NULL; +} + +static int refresh_exported_devices(struct usbip_host_driver *hdriver) +{ + struct usbip_exported_device *edev; + struct udev_enumerate *enumerate; + struct udev_list_entry *devices, *dev_list_entry; + struct udev_device *dev; + const char *path; + + enumerate = udev_enumerate_new(udev_context); + udev_enumerate_add_match_subsystem(enumerate, hdriver->udev_subsystem); + udev_enumerate_scan_devices(enumerate); + + devices = udev_enumerate_get_list_entry(enumerate); + + udev_list_entry_foreach(dev_list_entry, devices) { + path = udev_list_entry_get_name(dev_list_entry); + dev = udev_device_new_from_syspath(udev_context, + path); + if (dev == NULL) + continue; + + /* Check whether device uses usbip driver. */ + if (hdriver->ops.is_my_device(dev)) { + edev = usbip_exported_device_new(hdriver, path); + if (!edev) { + dbg("usbip_exported_device_new failed"); + continue; + } + + list_add(&edev->node, &hdriver->edev_list); + hdriver->ndevs++; + } + } + + return 0; +} + +static void usbip_exported_device_destroy(struct list_head *devs) +{ + struct list_head *i, *tmp; + struct usbip_exported_device *edev; + + list_for_each_safe(i, tmp, devs) { + edev = list_entry(i, struct usbip_exported_device, node); + list_del(i); + free(edev); + } +} + +int usbip_generic_driver_open(struct usbip_host_driver *hdriver) +{ + int rc; + + udev_context = udev_new(); + if (!udev_context) { + err("udev_new failed"); + return -1; + } + + rc = refresh_exported_devices(hdriver); + if (rc < 0) + goto err; + return 0; +err: + udev_unref(udev_context); + return -1; +} + +void usbip_generic_driver_close(struct usbip_host_driver *hdriver) +{ + if (!hdriver) + return; + + usbip_exported_device_destroy(&hdriver->edev_list); + + udev_unref(udev_context); +} + +int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver) +{ + int rc; + + usbip_exported_device_destroy(&hdriver->edev_list); + + hdriver->ndevs = 0; + INIT_LIST_HEAD(&hdriver->edev_list); + + rc = refresh_exported_devices(hdriver); + if (rc < 0) + return -1; + + return 0; +} + +int usbip_export_device(struct usbip_exported_device *edev, int sockfd) +{ + char attr_name[] = "usbip_sockfd"; + char sockfd_attr_path[SYSFS_PATH_MAX]; + char sockfd_buff[30]; + int ret; + + if (edev->status != SDEV_ST_AVAILABLE) { + dbg("device not available: %s", edev->udev.busid); + switch (edev->status) { + case SDEV_ST_ERROR: + dbg("status SDEV_ST_ERROR"); + break; + case SDEV_ST_USED: + dbg("status SDEV_ST_USED"); + break; + default: + dbg("status unknown: 0x%x", edev->status); + } + return -1; + } + + /* only the first interface is true */ + snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s", + edev->udev.path, attr_name); + + snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd); + + ret = write_sysfs_attribute(sockfd_attr_path, sockfd_buff, + strlen(sockfd_buff)); + if (ret < 0) { + err("write_sysfs_attribute failed: sockfd %s to %s", + sockfd_buff, sockfd_attr_path); + return ret; + } + + info("connect: %s", edev->udev.busid); + + return ret; +} + +struct usbip_exported_device *usbip_generic_get_device( + struct usbip_host_driver *hdriver, int num) +{ + struct list_head *i; + struct usbip_exported_device *edev; + int cnt = 0; + + list_for_each(i, &hdriver->edev_list) { + edev = list_entry(i, struct usbip_exported_device, node); + if (num == cnt) + return edev; + cnt++; + } + + return NULL; +} diff --git a/tools/usb/usbip/libsrc/usbip_host_common.h b/tools/usb/usbip/libsrc/usbip_host_common.h new file mode 100644 index 000000000000..a64b8033fe64 --- /dev/null +++ b/tools/usb/usbip/libsrc/usbip_host_common.h @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> + * + * Refactored from usbip_host_driver.c, which is: + * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> + * 2005-2007 Takahiro Hirofuchi + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __USBIP_HOST_COMMON_H +#define __USBIP_HOST_COMMON_H + +#include <stdint.h> +#include <libudev.h> +#include <errno.h> +#include "list.h" +#include "usbip_common.h" +#include "sysfs_utils.h" + +struct usbip_host_driver; + +struct usbip_host_driver_ops { + int (*open)(struct usbip_host_driver *hdriver); + void (*close)(struct usbip_host_driver *hdriver); + int (*refresh_device_list)(struct usbip_host_driver *hdriver); + struct usbip_exported_device * (*get_device)( + struct usbip_host_driver *hdriver, int num); + + int (*read_device)(struct udev_device *sdev, + struct usbip_usb_device *dev); + int (*read_interface)(struct usbip_usb_device *udev, int i, + struct usbip_usb_interface *uinf); + int (*is_my_device)(struct udev_device *udev); +}; + +struct usbip_host_driver { + int ndevs; + /* list of exported device */ + struct list_head edev_list; + const char *udev_subsystem; + struct usbip_host_driver_ops ops; +}; + +struct usbip_exported_device { + struct udev_device *sudev; + int32_t status; + struct usbip_usb_device udev; + struct list_head node; + struct usbip_usb_interface uinf[]; +}; + +/* External API to access the driver */ +static inline int usbip_driver_open(struct usbip_host_driver *hdriver) +{ + if (!hdriver->ops.open) + return -EOPNOTSUPP; + return hdriver->ops.open(hdriver); +} + +static inline void usbip_driver_close(struct usbip_host_driver *hdriver) +{ + if (!hdriver->ops.close) + return; + hdriver->ops.close(hdriver); +} + +static inline int usbip_refresh_device_list(struct usbip_host_driver *hdriver) +{ + if (!hdriver->ops.refresh_device_list) + return -EOPNOTSUPP; + return hdriver->ops.refresh_device_list(hdriver); +} + +static inline struct usbip_exported_device * +usbip_get_device(struct usbip_host_driver *hdriver, int num) +{ + if (!hdriver->ops.get_device) + return NULL; + return hdriver->ops.get_device(hdriver, num); +} + +/* Helper functions for implementing driver backend */ +int usbip_generic_driver_open(struct usbip_host_driver *hdriver); +void usbip_generic_driver_close(struct usbip_host_driver *hdriver); +int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver); +int usbip_export_device(struct usbip_exported_device *edev, int sockfd); +struct usbip_exported_device *usbip_generic_get_device( + struct usbip_host_driver *hdriver, int num); + +#endif /* __USBIP_HOST_COMMON_H */ diff --git a/tools/usb/usbip/libsrc/usbip_host_driver.c b/tools/usb/usbip/libsrc/usbip_host_driver.c index bef08d5c44e8..4de6edc54d35 100644 --- a/tools/usb/usbip/libsrc/usbip_host_driver.c +++ b/tools/usb/usbip/libsrc/usbip_host_driver.c @@ -1,6 +1,9 @@ /* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -16,265 +19,47 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <errno.h> #include <unistd.h> - #include <libudev.h> -#include "usbip_common.h" +#include "usbip_host_common.h" #include "usbip_host_driver.h" -#include "list.h" -#include "sysfs_utils.h" #undef PROGNAME #define PROGNAME "libusbip" -struct usbip_host_driver *host_driver; -struct udev *udev_context; - -static int32_t read_attr_usbip_status(struct usbip_usb_device *udev) -{ - char status_attr_path[SYSFS_PATH_MAX]; - int fd; - int length; - char status; - int value = 0; - - snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status", - udev->path); - - fd = open(status_attr_path, O_RDONLY); - if (fd < 0) { - err("error opening attribute %s", status_attr_path); - return -1; - } - - length = read(fd, &status, 1); - if (length < 0) { - err("error reading attribute %s", status_attr_path); - close(fd); - return -1; - } - - value = atoi(&status); - - return value; -} - -static -struct usbip_exported_device *usbip_exported_device_new(const char *sdevpath) -{ - struct usbip_exported_device *edev = NULL; - struct usbip_exported_device *edev_old; - size_t size; - int i; - - edev = calloc(1, sizeof(struct usbip_exported_device)); - - edev->sudev = udev_device_new_from_syspath(udev_context, sdevpath); - if (!edev->sudev) { - err("udev_device_new_from_syspath: %s", sdevpath); - goto err; - } - - read_usb_device(edev->sudev, &edev->udev); - - edev->status = read_attr_usbip_status(&edev->udev); - if (edev->status < 0) - goto err; - - /* reallocate buffer to include usb interface data */ - size = sizeof(struct usbip_exported_device) + - edev->udev.bNumInterfaces * sizeof(struct usbip_usb_interface); - - edev_old = edev; - edev = realloc(edev, size); - if (!edev) { - edev = edev_old; - dbg("realloc failed"); - goto err; - } - - for (i = 0; i < edev->udev.bNumInterfaces; i++) - read_usb_interface(&edev->udev, i, &edev->uinf[i]); - - return edev; -err: - if (edev->sudev) - udev_device_unref(edev->sudev); - if (edev) - free(edev); - - return NULL; -} - -static int refresh_exported_devices(void) +static int is_my_device(struct udev_device *dev) { - struct usbip_exported_device *edev; - struct udev_enumerate *enumerate; - struct udev_list_entry *devices, *dev_list_entry; - struct udev_device *dev; - const char *path; const char *driver; - enumerate = udev_enumerate_new(udev_context); - udev_enumerate_add_match_subsystem(enumerate, "usb"); - udev_enumerate_scan_devices(enumerate); - - devices = udev_enumerate_get_list_entry(enumerate); - - udev_list_entry_foreach(dev_list_entry, devices) { - path = udev_list_entry_get_name(dev_list_entry); - dev = udev_device_new_from_syspath(udev_context, path); - if (dev == NULL) - continue; - - /* Check whether device uses usbip-host driver. */ - driver = udev_device_get_driver(dev); - if (driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME)) { - edev = usbip_exported_device_new(path); - if (!edev) { - dbg("usbip_exported_device_new failed"); - continue; - } - - list_add(&edev->node, &host_driver->edev_list); - host_driver->ndevs++; - } - } - - return 0; -} - -static void usbip_exported_device_destroy(void) -{ - struct list_head *i, *tmp; - struct usbip_exported_device *edev; - - list_for_each_safe(i, tmp, &host_driver->edev_list) { - edev = list_entry(i, struct usbip_exported_device, node); - list_del(i); - free(edev); - } + driver = udev_device_get_driver(dev); + return driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME); } -int usbip_host_driver_open(void) +static int usbip_host_driver_open(struct usbip_host_driver *hdriver) { - int rc; - - udev_context = udev_new(); - if (!udev_context) { - err("udev_new failed"); - return -1; - } - - host_driver = calloc(1, sizeof(*host_driver)); - - host_driver->ndevs = 0; - INIT_LIST_HEAD(&host_driver->edev_list); - - rc = refresh_exported_devices(); - if (rc < 0) - goto err_free_host_driver; - - return 0; - -err_free_host_driver: - free(host_driver); - host_driver = NULL; - - udev_unref(udev_context); - - return -1; -} - -void usbip_host_driver_close(void) -{ - if (!host_driver) - return; - - usbip_exported_device_destroy(); - - free(host_driver); - host_driver = NULL; - - udev_unref(udev_context); -} - -int usbip_host_refresh_device_list(void) -{ - int rc; - - usbip_exported_device_destroy(); - - host_driver->ndevs = 0; - INIT_LIST_HEAD(&host_driver->edev_list); - - rc = refresh_exported_devices(); - if (rc < 0) - return -1; - - return 0; -} - -int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd) -{ - char attr_name[] = "usbip_sockfd"; - char sockfd_attr_path[SYSFS_PATH_MAX]; - char sockfd_buff[30]; int ret; - if (edev->status != SDEV_ST_AVAILABLE) { - dbg("device not available: %s", edev->udev.busid); - switch (edev->status) { - case SDEV_ST_ERROR: - dbg("status SDEV_ST_ERROR"); - break; - case SDEV_ST_USED: - dbg("status SDEV_ST_USED"); - break; - default: - dbg("status unknown: 0x%x", edev->status); - } - return -1; - } - - /* only the first interface is true */ - snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s", - edev->udev.path, attr_name); - - snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd); - - ret = write_sysfs_attribute(sockfd_attr_path, sockfd_buff, - strlen(sockfd_buff)); - if (ret < 0) { - err("write_sysfs_attribute failed: sockfd %s to %s", - sockfd_buff, sockfd_attr_path); - return ret; - } - - info("connect: %s", edev->udev.busid); + hdriver->ndevs = 0; + INIT_LIST_HEAD(&hdriver->edev_list); + ret = usbip_generic_driver_open(hdriver); + if (ret) + err("please load " USBIP_CORE_MOD_NAME ".ko and " + USBIP_HOST_DRV_NAME ".ko!"); return ret; } -struct usbip_exported_device *usbip_host_get_device(int num) -{ - struct list_head *i; - struct usbip_exported_device *edev; - int cnt = 0; - - list_for_each(i, &host_driver->edev_list) { - edev = list_entry(i, struct usbip_exported_device, node); - if (num == cnt) - return edev; - else - cnt++; - } - - return NULL; -} +struct usbip_host_driver host_driver = { + .edev_list = LIST_HEAD_INIT(host_driver.edev_list), + .udev_subsystem = "usb", + .ops = { + .open = usbip_host_driver_open, + .close = usbip_generic_driver_close, + .refresh_device_list = usbip_generic_refresh_device_list, + .get_device = usbip_generic_get_device, + .read_device = read_usb_device, + .read_interface = read_usb_interface, + .is_my_device = is_my_device, + }, +}; diff --git a/tools/usb/usbip/libsrc/usbip_host_driver.h b/tools/usb/usbip/libsrc/usbip_host_driver.h index 2a31f855c616..77f07e72a7fe 100644 --- a/tools/usb/usbip/libsrc/usbip_host_driver.h +++ b/tools/usb/usbip/libsrc/usbip_host_driver.h @@ -1,6 +1,9 @@ /* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,28 +25,8 @@ #include <stdint.h> #include "usbip_common.h" #include "list.h" +#include "usbip_host_common.h" -struct usbip_host_driver { - int ndevs; - /* list of exported device */ - struct list_head edev_list; -}; - -struct usbip_exported_device { - struct udev_device *sudev; - int32_t status; - struct usbip_usb_device udev; - struct list_head node; - struct usbip_usb_interface uinf[]; -}; - -extern struct usbip_host_driver *host_driver; - -int usbip_host_driver_open(void); -void usbip_host_driver_close(void); - -int usbip_host_refresh_device_list(void); -int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd); -struct usbip_exported_device *usbip_host_get_device(int num); +extern struct usbip_host_driver host_driver; #endif /* __USBIP_HOST_DRIVER_H */ diff --git a/tools/usb/usbip/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c index d58a14dfc094..70a6b507fb62 100644 --- a/tools/usb/usbip/src/usbip_attach.c +++ b/tools/usb/usbip/src/usbip_attach.c @@ -1,6 +1,9 @@ /* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,7 +39,8 @@ static const char usbip_attach_usage_string[] = "usbip attach <args>\n" " -r, --remote=<host> The machine with exported USB devices\n" - " -b, --busid=<busid> Busid of the device on <host>\n"; + " -b, --busid=<busid> Busid of the device on <host>\n" + " -d, --device=<devid> Id of the virtual UDC on <host>\n"; void usbip_attach_usage(void) { @@ -203,6 +207,7 @@ int usbip_attach(int argc, char *argv[]) static const struct option opts[] = { { "remote", required_argument, NULL, 'r' }, { "busid", required_argument, NULL, 'b' }, + { "device", required_argument, NULL, 'd' }, { NULL, 0, NULL, 0 } }; char *host = NULL; @@ -211,7 +216,7 @@ int usbip_attach(int argc, char *argv[]) int ret = -1; for (;;) { - opt = getopt_long(argc, argv, "r:b:", opts, NULL); + opt = getopt_long(argc, argv, "d:r:b:", opts, NULL); if (opt == -1) break; @@ -220,6 +225,7 @@ int usbip_attach(int argc, char *argv[]) case 'r': host = optarg; break; + case 'd': case 'b': busid = optarg; break; diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c index d5ce34a410e7..f1b38e866dd7 100644 --- a/tools/usb/usbip/src/usbip_list.c +++ b/tools/usb/usbip/src/usbip_list.c @@ -1,6 +1,9 @@ /* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -30,6 +33,10 @@ #include <netdb.h> #include <unistd.h> +#include <dirent.h> + +#include <linux/usb/ch9.h> + #include "usbip_common.h" #include "usbip_network.h" #include "usbip.h" @@ -205,8 +212,10 @@ static int list_devices(bool parsable) /* Get device information. */ idVendor = udev_device_get_sysattr_value(dev, "idVendor"); idProduct = udev_device_get_sysattr_value(dev, "idProduct"); - bConfValue = udev_device_get_sysattr_value(dev, "bConfigurationValue"); - bNumIntfs = udev_device_get_sysattr_value(dev, "bNumInterfaces"); + bConfValue = udev_device_get_sysattr_value(dev, + "bConfigurationValue"); + bNumIntfs = udev_device_get_sysattr_value(dev, + "bNumInterfaces"); busid = udev_device_get_sysname(dev); if (!idVendor || !idProduct || !bConfValue || !bNumIntfs) { err("problem getting device attributes: %s", @@ -237,12 +246,90 @@ err_out: return ret; } +static int list_gadget_devices(bool parsable) +{ + int ret = -1; + struct udev *udev; + struct udev_enumerate *enumerate; + struct udev_list_entry *devices, *dev_list_entry; + struct udev_device *dev; + const char *path; + const char *driver; + + const struct usb_device_descriptor *d_desc; + const char *descriptors; + char product_name[128]; + + uint16_t idVendor; + char idVendor_buf[8]; + uint16_t idProduct; + char idProduct_buf[8]; + const char *busid; + + udev = udev_new(); + enumerate = udev_enumerate_new(udev); + + udev_enumerate_add_match_subsystem(enumerate, "platform"); + + udev_enumerate_scan_devices(enumerate); + devices = udev_enumerate_get_list_entry(enumerate); + + udev_list_entry_foreach(dev_list_entry, devices) { + path = udev_list_entry_get_name(dev_list_entry); + dev = udev_device_new_from_syspath(udev, path); + + driver = udev_device_get_driver(dev); + /* We only have mechanism to enumerate gadgets bound to vudc */ + if (driver == NULL || strcmp(driver, USBIP_DEVICE_DRV_NAME)) + continue; + + /* Get device information. */ + descriptors = udev_device_get_sysattr_value(dev, + VUDC_DEVICE_DESCR_FILE); + + if (!descriptors) { + err("problem getting device attributes: %s", + strerror(errno)); + goto err_out; + } + + d_desc = (const struct usb_device_descriptor *) descriptors; + + idVendor = le16toh(d_desc->idVendor); + sprintf(idVendor_buf, "0x%4x", idVendor); + idProduct = le16toh(d_desc->idProduct); + sprintf(idProduct_buf, "0x%4x", idVendor); + busid = udev_device_get_sysname(dev); + + /* Get product name. */ + usbip_names_get_product(product_name, sizeof(product_name), + le16toh(idVendor), + le16toh(idProduct)); + + /* Print information. */ + print_device(busid, idVendor_buf, idProduct_buf, parsable); + print_product_name(product_name, parsable); + + printf("\n"); + + udev_device_unref(dev); + } + ret = 0; + +err_out: + udev_enumerate_unref(enumerate); + udev_unref(udev); + + return ret; +} + int usbip_list(int argc, char *argv[]) { static const struct option opts[] = { { "parsable", no_argument, NULL, 'p' }, { "remote", required_argument, NULL, 'r' }, { "local", no_argument, NULL, 'l' }, + { "device", no_argument, NULL, 'd' }, { NULL, 0, NULL, 0 } }; @@ -254,7 +341,7 @@ int usbip_list(int argc, char *argv[]) err("failed to open %s", USBIDS_FILE); for (;;) { - opt = getopt_long(argc, argv, "pr:l", opts, NULL); + opt = getopt_long(argc, argv, "pr:ld", opts, NULL); if (opt == -1) break; @@ -269,6 +356,9 @@ int usbip_list(int argc, char *argv[]) case 'l': ret = list_devices(parsable); goto out; + case 'd': + ret = list_gadget_devices(parsable); + goto out; default: goto err_out; } diff --git a/tools/usb/usbip/src/usbip_port.c b/tools/usb/usbip/src/usbip_port.c index a2e884fd9226..7bd74fb3a9cd 100644 --- a/tools/usb/usbip/src/usbip_port.c +++ b/tools/usb/usbip/src/usbip_port.c @@ -22,10 +22,13 @@ static int list_imported_devices(void) struct usbip_imported_device *idev; int ret; + if (usbip_names_init(USBIDS_FILE)) + err("failed to open %s", USBIDS_FILE); + ret = usbip_vhci_driver_open(); if (ret < 0) { err("open vhci_driver"); - return -1; + goto err_names_free; } printf("Imported USB devices\n"); @@ -35,13 +38,19 @@ static int list_imported_devices(void) idev = &vhci_driver->idev[i]; if (usbip_vhci_imported_device_dump(idev) < 0) - ret = -1; + goto err_driver_close; } usbip_vhci_driver_close(); + usbip_names_free(); return ret; +err_driver_close: + usbip_vhci_driver_close(); +err_names_free: + usbip_names_free(); + return -1; } int usbip_port_show(__attribute__((unused)) int argc, diff --git a/tools/usb/usbip/src/usbipd.c b/tools/usb/usbip/src/usbipd.c index 2a7cd2b8d966..a0972dea9e6c 100644 --- a/tools/usb/usbip/src/usbipd.c +++ b/tools/usb/usbip/src/usbipd.c @@ -1,6 +1,9 @@ /* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi + * Copyright (C) 2015-2016 Samsung Electronics + * Igor Kotrasinski <i.kotrasinsk@samsung.com> + * Krzysztof Opasiak <k.opasiak@samsung.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -41,6 +44,8 @@ #include <poll.h> #include "usbip_host_driver.h" +#include "usbip_host_common.h" +#include "usbip_device_driver.h" #include "usbip_common.h" #include "usbip_network.h" #include "list.h" @@ -64,6 +69,11 @@ static const char usbipd_help_string[] = " -6, --ipv6\n" " Bind to IPv6. Default is both.\n" "\n" + " -e, --device\n" + " Run in device mode.\n" + " Rather than drive an attached device, create\n" + " a virtual UDC to bind gadgets to.\n" + "\n" " -D, --daemon\n" " Run as a daemon process.\n" "\n" @@ -83,6 +93,8 @@ static const char usbipd_help_string[] = " -v, --version\n" " Show version.\n"; +static struct usbip_host_driver *driver; + static void usbipd_help(void) { printf("%s\n", usbipd_help_string); @@ -107,7 +119,7 @@ static int recv_request_import(int sockfd) } PACK_OP_IMPORT_REQUEST(0, &req); - list_for_each(i, &host_driver->edev_list) { + list_for_each(i, &driver->edev_list) { edev = list_entry(i, struct usbip_exported_device, node); if (!strncmp(req.busid, edev->udev.busid, SYSFS_BUS_ID_SIZE)) { info("found requested device: %s", req.busid); @@ -121,7 +133,7 @@ static int recv_request_import(int sockfd) usbip_net_set_nodelay(sockfd); /* export device needs a TCP/IP socket descriptor */ - rc = usbip_host_export_device(edev, sockfd); + rc = usbip_export_device(edev, sockfd); if (rc < 0) error = 1; } else { @@ -166,7 +178,7 @@ static int send_reply_devlist(int connfd) reply.ndev = 0; /* number of exported devices */ - list_for_each(j, &host_driver->edev_list) { + list_for_each(j, &driver->edev_list) { reply.ndev += 1; } info("exportable devices: %d", reply.ndev); @@ -184,7 +196,7 @@ static int send_reply_devlist(int connfd) return -1; } - list_for_each(j, &host_driver->edev_list) { + list_for_each(j, &driver->edev_list) { edev = list_entry(j, struct usbip_exported_device, node); dump_usb_device(&edev->udev); memcpy(&pdu_udev, &edev->udev, sizeof(pdu_udev)); @@ -246,7 +258,7 @@ static int recv_pdu(int connfd) return -1; } - ret = usbip_host_refresh_device_list(); + ret = usbip_refresh_device_list(driver); if (ret < 0) { dbg("could not refresh device list: %d", ret); return -1; @@ -491,16 +503,13 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6) struct timespec timeout; sigset_t sigmask; - if (usbip_host_driver_open()) { - err("please load " USBIP_CORE_MOD_NAME ".ko and " - USBIP_HOST_DRV_NAME ".ko!"); + if (usbip_driver_open(driver)) return -1; - } if (daemonize) { if (daemon(0, 0) < 0) { err("daemonizing failed: %s", strerror(errno)); - usbip_host_driver_close(); + usbip_driver_close(driver); return -1; } umask(0); @@ -525,7 +534,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6) ai_head = do_getaddrinfo(NULL, family); if (!ai_head) { - usbip_host_driver_close(); + usbip_driver_close(driver); return -1; } nsockfd = listen_all_addrinfo(ai_head, sockfdlist, @@ -533,7 +542,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6) freeaddrinfo(ai_head); if (nsockfd <= 0) { err("failed to open a listening socket"); - usbip_host_driver_close(); + usbip_driver_close(driver); return -1; } @@ -574,7 +583,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6) info("shutting down " PROGNAME); free(fds); - usbip_host_driver_close(); + usbip_driver_close(driver); return 0; } @@ -587,6 +596,7 @@ int main(int argc, char *argv[]) { "daemon", no_argument, NULL, 'D' }, { "daemon", no_argument, NULL, 'D' }, { "debug", no_argument, NULL, 'd' }, + { "device", no_argument, NULL, 'e' }, { "pid", optional_argument, NULL, 'P' }, { "tcp-port", required_argument, NULL, 't' }, { "help", no_argument, NULL, 'h' }, @@ -613,8 +623,9 @@ int main(int argc, char *argv[]) err("not running as root?"); cmd = cmd_standalone_mode; + driver = &host_driver; for (;;) { - opt = getopt_long(argc, argv, "46DdP::t:hv", longopts, NULL); + opt = getopt_long(argc, argv, "46DdeP::t:hv", longopts, NULL); if (opt == -1) break; @@ -644,6 +655,9 @@ int main(int argc, char *argv[]) case 'v': cmd = cmd_version; break; + case 'e': + driver = &device_driver; + break; case '?': usbipd_help(); default: |