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path: root/drivers/usb
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2014-11-10usb: dwc3: ep0: fix for dead codeFelipe Balbi
commit 6856d30 (usb: dwc3: ep0: return early on NULL requests) tried to fix a minor corner case where we could dereference a NULL pointer but it also ended up introducing some dead code. Unfortunately, that dead code, if reached, could end up starving the endpoint request list because a request would never be given back when it should. Fix this by moving the check for empty request list before its first use. Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-10USB: serial: cp210x: add IDs for CEL MeshConnect USB StickPreston Fick
Signed-off-by: Preston Fick <pffick@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2014-11-10Merge 3.18-rc4 into usb-next.Greg Kroah-Hartman
This resolves a conflict in drivers/usb/host/Kconfig Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fotg210: Use ehci_dbg_port structChris Rorvick
The FUSBH200 debug port has a EHCI-compatible register layout so there is no need to define a custom struct. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fotg210: Remove duplicate ehci-dbgp declarationsChris Rorvick
Now that ehci-dbgp has its own header, use it rather than duplicating the declarations, etc. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fotg210: Remove superfluous macro definitionsChris Rorvick
The fotg210_dbg_port struct is a copy of the ehci_dbg_port definition in the <linux/usb/ehci_def.h> header. Embedded in this definition are a number of macros which came along for the ride. These macros are not used in the fotg210 driver and will conflict those in the new <linux/usb/ehci-dbgp.h> header. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fotg210: Make Xen notification consistent with EHCIChris Rorvick
If CONFIG_XEN_DOM0 is enabled, the ehci-dbgp driver notifies Xen of controller reset events via xen_dbgp_reset_prep() and xen_dbgp_external_startup() (via calls to xen_dbgp_op().) Otherwise <linux/usb/ehci_def.h> defines them as no-ops to disable this logic. The fotg210 driver copies much of the dbgp code from ehci_def.h, but it unconditionally defines the Xen hooks as no-ops, effectively disabling these notifications when CONFIG_EARLY_PRINTK_DBGP is disabled. When enabled, though, notifying Xen is dependent on CONFIG_XEN_DOM0 due to fotg210 leveraging the ehci-dbgp driver. The following table compares the implementations of xen_dbgp_reset_prep() and xen_dbgp_external_startup() in the ehci-dbgp and fotg210 drivers under the relevant configurations: EARLY_PRINTK_DBGP? XEN_DOM0? ehci-dbgp fotg210 ------------------ --------- ------------- ------------- n n no-op no-op n y xen_dbgp_op() no-op y n no-op no-op y y xen_dbgp_op() xen_dbgp_op() This suggests that fotg210 is, at best, indifferent to whether Xen is notified of these events. Make fotg210 consistent with ehci-dbgp as a step towards consolidating this code duplication. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fusbh200: Use ehci_dbg_port structChris Rorvick
The FUSBH200 debug port has a EHCI-compatible register layout so there is no need to define a custom struct. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fusbh200: Remove duplicate ehci-dbgp declarationsChris Rorvick
Now that ehci-dbgp has its own header, use it rather than duplicating the declarations, etc. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fusbh200: Remove superfluous macro definitionsChris Rorvick
The fusbh200_dbg_port struct is a copy of the ehci_dbg_port definition in the <linux/usb/ehci_def.h> header. Embedded in this definition are a number of macros which came along for the ride. These macros are not used in the fusbh200 driver and will conflict those in the new <linux/usb/ehci-dbgp.h> header. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07fusbh200: Make Xen notificaiton consistent with EHCIChris Rorvick
If CONFIG_XEN_DOM0 is enabled, the ehci-dbgp driver notifies Xen of controller reset events via xen_dbgp_reset_prep() and xen_dbgp_external_startup() (via calls to xen_dbgp_op().) Otherwise <linux/usb/ehci_def.h> defines them as no-ops to disable this logic. The fusbh200 driver copies much of the dbgp code from ehci_def.h, but it unconditionally defines the Xen hooks as no-ops, effectively disabling these notifications when CONFIG_EARLY_PRINTK_DBGP is disabled. When enabled, though, notifying Xen is dependent on CONFIG_XEN_DOM0 due to fusbh200 leveraging the ehci-dbgp driver. The following table compares the implementations of xen_dbgp_reset_prep() and xen_dbgp_external_startup() in the ehci-dbgp and fusbh200 drivers under the relevant configurations: EARLY_PRINTK_DBGP? XEN_DOM0? ehci-dbgp fusbh200 ------------------ --------- ------------- ------------- n n no-op no-op n y xen_dbgp_op() no-op y n no-op no-op y y xen_dbgp_op() xen_dbgp_op() This suggests that fusbh200 is, at best, indifferent to whether Xen is notified of these events. Make fusbh200 consistent with ehci-dbgp as a step towards consolidating this code duplication. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07renesas_usbhs: common: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-exynos: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-fsl: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07dwc3: dwc3-keystone: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07phy: phy-rcar-usb: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07musb: musb_dsps: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07musb: musb_core: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: xhci-plat: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-spear: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-platform: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-orion: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-octeon: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-mxc: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-mv: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-msm: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-spear: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-sh: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-pxa27x: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-platform: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-octeon: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-jz4740: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-exynos: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-at91: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-w90x900: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-tegra: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ohci-da8xx: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-atmel: remove duplicate check on resourceVarka Bhadram
Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: ehci-sead3: fix NULL pointer dereference on resourceVarka Bhadram
Fix on accessing NULL pointer dereference on get resource failed. Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07host: uhci-platform: fix NULL pointer dereference on resourceVarka Bhadram
Fix in accessing NULL if resource didn't get. Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07USB: storage: Reject bogus max LUN valuesMark Knibbs
Some mass storage devices return a bogus value in response to a Get Max LUN request. The Iomega Jaz USB Adapter responds with 0x10, hence my recent patch to use the US_FL_SINGLE_LUN quirk for it. The USB MSC Bulk Only Transport document says "The device shall return one byte of data that contains the maximum LUN supported by the device." Since the LUN field in the command block wrapper is only 4 bits wide, it might be helpful to report too-large LUN values in the kernel log, and assume max LUN is actually 0. That could get some devices which currently need the US_FL_SINGLE_LUN quirk to work. Signed-off-by: Mark Knibbs <markk@clara.co.uk> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-06usb: dwc3: core: enable phy suspend quirk on non-FPGAFelipe Balbi
as it turns out, at least AM437x silicon (non-FPGA) needs to enable PHY suspend quirk. So let's allow for PHY suspend quirk to be used with non-FPGA builds too. Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: hid: add configfs supportAndrzej Pietrasiewicz
Make the hid function available for gadgets composed with configfs. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: f_hid: use usb_gstrings_attachAndrzej Pietrasiewicz
Before configfs is integrated the usb_gstrings_attach() interface must be used. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: f_hid: remove compatibility layerAndrzej Pietrasiewicz
There are no old function interface users left, so remove it. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: hid: convert to new interface of f_hidAndrzej Pietrasiewicz
Use the new f_hid interface in order for the old to be removed. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: f_hid: convert to new function interface with backward ↵Andrzej Pietrasiewicz
compatibility Converting hid to the new function interface requires converting the USB hid's function code and its users. This patch converts the f_hid.c to the new function interface. The file can now be compiled into a separate usb_f_hid.ko module. The old function interface is provided by means of a preprocessor conditional directives. After all users are converted, the old interface can be removed. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: hid: mirror init operations in module cleanupAndrzej Pietrasiewicz
So far platform driver has been unregistered first, so just after that the usb composite is still available, but there is no hid data any more. Reverse the order so that first the usb composite becomes unavailable and second the hid data goes away. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: f_hid: check return value of device_createAndrzej Pietrasiewicz
device_create() might fail, so check its return value and react appropriately. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-06usb: gadget: f_hid: check return value of class_createAndrzej Pietrasiewicz
class_create() might fail, so check its return value and react appropriately. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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