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-rw-r--r--Documentation/ABI/testing/sysfs-class-mei15
-rw-r--r--arch/arm64/include/asm/unistd.h2
-rw-r--r--arch/arm64/include/asm/unistd32.h2
-rw-r--r--arch/arm64/mm/init.c8
-rw-r--r--arch/m68k/include/asm/unistd.h2
-rw-r--r--arch/m68k/include/uapi/asm/unistd.h1
-rw-r--r--arch/m68k/kernel/syscalltable.S1
-rw-r--r--arch/powerpc/include/asm/thread_info.h13
-rw-r--r--arch/powerpc/platforms/powernv/opal-wrappers.S1
-rw-r--r--arch/x86/kernel/kprobes/core.c20
-rw-r--r--drivers/iio/adc/ad799x.c15
-rw-r--r--drivers/iio/inkern.c3
-rw-r--r--drivers/mcb/mcb-internal.h1
-rw-r--r--drivers/mcb/mcb-pci.c27
-rw-r--r--drivers/misc/cxl/context.c82
-rw-r--r--drivers/misc/cxl/file.c14
-rw-r--r--drivers/misc/mei/hw-me.c12
-rw-r--r--drivers/mmc/host/sdhci.c6
-rw-r--r--drivers/phy/phy-miphy28lp.c3
-rw-r--r--drivers/phy/phy-omap-control.c7
-rw-r--r--drivers/phy/phy-sun4i-usb.c3
-rw-r--r--drivers/phy/phy-ti-pipe3.c10
-rw-r--r--drivers/staging/vt6655/baseband.c2
-rw-r--r--drivers/staging/vt6655/channel.c8
-rw-r--r--drivers/staging/vt6655/device_main.c13
-rw-r--r--drivers/staging/vt6655/rxtx.c5
-rw-r--r--drivers/tty/n_tty.c9
-rw-r--r--drivers/tty/serial/8250/8250_pci.c29
-rw-r--r--drivers/tty/serial/samsung.c56
-rw-r--r--drivers/tty/serial/serial_core.c4
-rw-r--r--drivers/tty/tty_io.c7
-rw-r--r--drivers/usb/chipidea/core.c2
-rw-r--r--drivers/usb/chipidea/host.c1
-rw-r--r--drivers/usb/dwc2/gadget.c10
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c4
-rw-r--r--drivers/usb/dwc3/gadget.c6
-rw-r--r--drivers/usb/gadget/function/f_hid.c5
-rw-r--r--drivers/usb/gadget/function/f_midi.c2
-rw-r--r--drivers/usb/gadget/function/f_uac1.c2
-rw-r--r--drivers/usb/gadget/legacy/inode.c2
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c19
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_ep.c3
-rw-r--r--drivers/usb/host/ehci-sched.c14
-rw-r--r--drivers/usb/host/ehci-tegra.c2
-rw-r--r--drivers/usb/host/pci-quirks.c18
-rw-r--r--drivers/usb/host/xhci-pci.c2
-rw-r--r--drivers/usb/host/xhci.c9
-rw-r--r--drivers/usb/musb/Kconfig4
-rw-r--r--drivers/usb/musb/blackfin.c2
-rw-r--r--drivers/usb/musb/musb_cppi41.c4
-rw-r--r--drivers/usb/musb/musb_debugfs.c34
-rw-r--r--drivers/usb/musb/musb_host.c1
-rw-r--r--drivers/usb/phy/phy-mv-usb.c5
-rw-r--r--drivers/usb/phy/phy.c16
-rw-r--r--drivers/usb/serial/console.c16
-rw-r--r--drivers/usb/serial/cp210x.c4
-rw-r--r--drivers/usb/serial/generic.c4
-rw-r--r--drivers/usb/serial/keyspan.c20
-rw-r--r--drivers/usb/serial/option.c11
-rw-r--r--drivers/usb/serial/qcserial.c1
-rw-r--r--drivers/usb/storage/uas-detect.h33
-rw-r--r--drivers/usb/storage/unusual_uas.h46
-rw-r--r--drivers/video/fbdev/broadsheetfb.c8
-rw-r--r--drivers/video/fbdev/simplefb.c2
-rw-r--r--fs/fuse/dev.c51
-rw-r--r--fs/fuse/dir.c31
-rw-r--r--fs/fuse/fuse_i.h2
-rw-r--r--fs/fuse/inode.c5
-rw-r--r--fs/kernfs/dir.c12
-rw-r--r--fs/lockd/svc.c8
-rw-r--r--fs/nfs/nfs4client.c42
-rw-r--r--fs/nfs/nfs4proc.c21
-rw-r--r--include/linux/nfs_fs_sb.h3
-rw-r--r--include/linux/phy/omap_control_phy.h6
-rw-r--r--kernel/range.c10
-rw-r--r--kernel/trace/ftrace.c53
-rw-r--r--kernel/trace/trace.c1
-rw-r--r--kernel/trace/trace_events.c69
78 files changed, 721 insertions, 286 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mei b/Documentation/ABI/testing/sysfs-class-mei
index 0ec8b8178c41..80d9888a8ece 100644
--- a/Documentation/ABI/testing/sysfs-class-mei
+++ b/Documentation/ABI/testing/sysfs-class-mei
@@ -14,3 +14,18 @@ Description:
The /sys/class/mei/meiN directory is created for
each probed mei device
+What: /sys/class/mei/meiN/fw_status
+Date: Nov 2014
+KernelVersion: 3.19
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description: Display fw status registers content
+
+ The ME FW writes its status information into fw status
+ registers for BIOS and OS to monitor fw health.
+
+ The register contains running state, power management
+ state, error codes, and others. The way the registers
+ are decoded depends on PCH or SoC generation.
+ Also number of registers varies between 1 and 6
+ depending on generation.
+
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index b780c6c76eec..23e9432ac112 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
-#define __NR_compat_syscalls 387
+#define __NR_compat_syscalls 388
#endif
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 8893cebcea5b..27224426e0bf 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -795,3 +795,5 @@ __SYSCALL(__NR_getrandom, sys_getrandom)
__SYSCALL(__NR_memfd_create, sys_memfd_create)
#define __NR_bpf 386
__SYSCALL(__NR_bpf, sys_bpf)
+#define __NR_execveat 387
+__SYSCALL(__NR_execveat, compat_sys_execveat)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index bac492c12fcc..c95464a33f36 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -335,14 +335,8 @@ static int keep_initrd;
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (!keep_initrd) {
- if (start == initrd_start)
- start = round_down(start, PAGE_SIZE);
- if (end == initrd_end)
- end = round_up(end, PAGE_SIZE);
-
+ if (!keep_initrd)
free_reserved_area((void *)start, (void *)end, 0, "initrd");
- }
}
static int __init keepinitrd_setup(char *__unused)
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 75e75d7b1702..244e0dbe45db 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 355
+#define NR_syscalls 356
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index 2c1bec9a14b6..61fb6cb9d2ae 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -360,5 +360,6 @@
#define __NR_getrandom 352
#define __NR_memfd_create 353
#define __NR_bpf 354
+#define __NR_execveat 355
#endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 2ca219e184cd..a0ec4303f2c8 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -375,4 +375,5 @@ ENTRY(sys_call_table)
.long sys_getrandom
.long sys_memfd_create
.long sys_bpf
+ .long sys_execveat /* 355 */
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index ebc4f165690a..0be6c681cab1 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -23,9 +23,9 @@
#define THREAD_SIZE (1 << THREAD_SHIFT)
#ifdef CONFIG_PPC64
-#define CURRENT_THREAD_INFO(dest, sp) clrrdi dest, sp, THREAD_SHIFT
+#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(clrrdi dest, sp, THREAD_SHIFT)
#else
-#define CURRENT_THREAD_INFO(dest, sp) rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT
+#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT)
#endif
#ifndef __ASSEMBLY__
@@ -71,12 +71,13 @@ struct thread_info {
#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
/* how to get the thread information struct from C */
-register unsigned long __current_r1 asm("r1");
static inline struct thread_info *current_thread_info(void)
{
- /* gcc4, at least, is smart enough to turn this into a single
- * rlwinm for ppc32 and clrrdi for ppc64 */
- return (struct thread_info *)(__current_r1 & ~(THREAD_SIZE-1));
+ unsigned long val;
+
+ asm (CURRENT_THREAD_INFO(%0,1) : "=r" (val));
+
+ return (struct thread_info *)val;
}
#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 54eca8b3b288..0509bca5e830 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -40,7 +40,6 @@ BEGIN_FTR_SECTION; \
b 1f; \
END_FTR_SECTION(0, 1); \
ld r12,opal_tracepoint_refcount@toc(r2); \
- std r12,32(r1); \
cmpdi r12,0; \
bne- LABEL; \
1:
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index f7e3cd50ece0..98f654d466e5 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -1020,6 +1020,15 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
+
+ /*
+ * jprobes use jprobe_return() which skips the normal return
+ * path of the function, and this messes up the accounting of the
+ * function graph tracer to get messed up.
+ *
+ * Pause function graph tracing while performing the jprobe function.
+ */
+ pause_graph_tracing();
return 1;
}
NOKPROBE_SYMBOL(setjmp_pre_handler);
@@ -1048,24 +1057,25 @@ int longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
u8 *addr = (u8 *) (regs->ip - 1);
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ void *saved_sp = kcb->jprobe_saved_sp;
if ((addr > (u8 *) jprobe_return) &&
(addr < (u8 *) jprobe_return_end)) {
- if (stack_addr(regs) != kcb->jprobe_saved_sp) {
+ if (stack_addr(regs) != saved_sp) {
struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
printk(KERN_ERR
"current sp %p does not match saved sp %p\n",
- stack_addr(regs), kcb->jprobe_saved_sp);
+ stack_addr(regs), saved_sp);
printk(KERN_ERR "Saved registers for jprobe %p\n", jp);
show_regs(saved_regs);
printk(KERN_ERR "Current registers\n");
show_regs(regs);
BUG();
}
+ /* It's OK to start function graph tracing again */
+ unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp),
- kcb->jprobes_stack,
- MIN_STACK_SIZE(kcb->jprobe_saved_sp));
+ memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));
preempt_enable_no_resched();
return 1;
}
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index e37412da15f5..b99de00e57b8 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -143,9 +143,15 @@ static int ad799x_write_config(struct ad799x_state *st, u16 val)
case ad7998:
return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG,
val);
- default:
+ case ad7992:
+ case ad7993:
+ case ad7994:
return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG,
val);
+ default:
+ /* Will be written when doing a conversion */
+ st->config = val;
+ return 0;
}
}
@@ -155,8 +161,13 @@ static int ad799x_read_config(struct ad799x_state *st)
case ad7997:
case ad7998:
return i2c_smbus_read_word_swapped(st->client, AD7998_CONF_REG);
- default:
+ case ad7992:
+ case ad7993:
+ case ad7994:
return i2c_smbus_read_byte_data(st->client, AD7998_CONF_REG);
+ default:
+ /* No readback support */
+ return st->config;
}
}
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 866fe904cba2..90c8cb727cc7 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -449,6 +449,9 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
if (val2 == NULL)
val2 = &unused;
+ if(!iio_channel_has_info(chan->channel, info))
+ return -EINVAL;
+
if (chan->indio_dev->info->read_raw_multi) {
ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev,
chan->channel, INDIO_MAX_RAW_ELEMENTS,
diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h
index f956ef26c0ce..fb7493dcfb79 100644
--- a/drivers/mcb/mcb-internal.h
+++ b/drivers/mcb/mcb-internal.h
@@ -7,6 +7,7 @@
#define PCI_DEVICE_ID_MEN_CHAMELEON 0x4d45
#define CHAMELEON_FILENAME_LEN 12
#define CHAMELEONV2_MAGIC 0xabce
+#define CHAM_HEADER_SIZE 0x200
enum chameleon_descriptor_type {
CHAMELEON_DTYPE_GENERAL = 0x0,
diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
index b59181965643..5e1bd5db02c8 100644
--- a/drivers/mcb/mcb-pci.c
+++ b/drivers/mcb/mcb-pci.c
@@ -17,6 +17,7 @@
struct priv {
struct mcb_bus *bus;
+ phys_addr_t mapbase;
void __iomem *base;
};
@@ -31,8 +32,8 @@ static int mcb_pci_get_irq(struct mcb_device *mdev)
static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
+ struct resource *res;
struct priv *priv;
- phys_addr_t mapbase;
int ret;
int num_cells;
unsigned long flags;
@@ -47,19 +48,21 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENODEV;
}
- mapbase = pci_resource_start(pdev, 0);
- if (!mapbase) {
+ priv->mapbase = pci_resource_start(pdev, 0);
+ if (!priv->mapbase) {
dev_err(&pdev->dev, "No PCI resource\n");
goto err_start;
}
- ret = pci_request_region(pdev, 0, KBUILD_MODNAME);
- if (ret) {
- dev_err(&pdev->dev, "Failed to request PCI BARs\n");
+ res = request_mem_region(priv->mapbase, CHAM_HEADER_SIZE,
+ KBUILD_MODNAME);
+ if (IS_ERR(res)) {
+ dev_err(&pdev->dev, "Failed to request PCI memory\n");
+ ret = PTR_ERR(res);
goto err_start;
}
- priv->base = pci_iomap(pdev, 0, 0);
+ priv->base = ioremap(priv->mapbase, CHAM_HEADER_SIZE);
if (!priv->base) {
dev_err(&pdev->dev, "Cannot ioremap\n");
ret = -ENOMEM;
@@ -84,7 +87,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
priv->bus->get_irq = mcb_pci_get_irq;
- ret = chameleon_parse_cells(priv->bus, mapbase, priv->base);
+ ret = chameleon_parse_cells(priv->bus, priv->mapbase, priv->base);
if (ret < 0)
goto err_drvdata;
num_cells = ret;
@@ -93,8 +96,10 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mcb_bus_add_devices(priv->bus);
+ return 0;
+
err_drvdata:
- pci_iounmap(pdev, priv->base);
+ iounmap(priv->base);
err_ioremap:
pci_release_region(pdev, 0);
err_start:
@@ -107,6 +112,10 @@ static void mcb_pci_remove(struct pci_dev *pdev)
struct priv *priv = pci_get_drvdata(pdev);
mcb_release_bus(priv->bus);
+
+ iounmap(priv->base);
+ release_region(priv->mapbase, CHAM_HEADER_SIZE);
+ pci_disable_device(pdev);
}
static const struct pci_device_id mcb_pci_tbl[] = {
diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
index 51fd6b524371..d1b55fe62817 100644
--- a/drivers/misc/cxl/context.c
+++ b/drivers/misc/cxl/context.c
@@ -100,6 +100,46 @@ int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master,
return 0;
}
+static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+ struct cxl_context *ctx = vma->vm_file->private_data;
+ unsigned long address = (unsigned long)vmf->virtual_address;
+ u64 area, offset;
+
+ offset = vmf->pgoff << PAGE_SHIFT;
+
+ pr_devel("%s: pe: %i address: 0x%lx offset: 0x%llx\n",
+ __func__, ctx->pe, address, offset);
+
+ if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
+ area = ctx->afu->psn_phys;
+ if (offset > ctx->afu->adapter->ps_size)
+ return VM_FAULT_SIGBUS;
+ } else {
+ area = ctx->psn_phys;
+ if (offset > ctx->psn_size)
+ return VM_FAULT_SIGBUS;
+ }
+
+ mutex_lock(&ctx->status_mutex);
+
+ if (ctx->status != STARTED) {
+ mutex_unlock(&ctx->status_mutex);
+ pr_devel("%s: Context not started, failing problem state access\n", __func__);
+ return VM_FAULT_SIGBUS;
+ }
+
+ vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT);
+
+ mutex_unlock(&ctx->status_mutex);
+
+ return VM_FAULT_NOPAGE;
+}
+
+static const struct vm_operations_struct cxl_mmap_vmops = {
+ .fault = cxl_mmap_fault,
+};
+
/*
* Map a per-context mmio space into the given vma.
*/
@@ -108,26 +148,25 @@ int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma)
u64 len = vma->vm_end - vma->vm_start;
len = min(len, ctx->psn_size);
- if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- return vm_iomap_memory(vma, ctx->afu->psn_phys, ctx->afu->adapter->ps_size);
- }
+ if (ctx->afu->current_mode != CXL_MODE_DEDICATED) {
+ /* make sure there is a valid per process space for this AFU */
+ if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
+ pr_devel("AFU doesn't support mmio space\n");
+ return -EINVAL;
+ }
- /* make sure there is a valid per process space for this AFU */
- if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
- pr_devel("AFU doesn't support mmio space\n");
- return -EINVAL;
+ /* Can't mmap until the AFU is enabled */
+ if (!ctx->afu->enabled)
+ return -EBUSY;
}
- /* Can't mmap until the AFU is enabled */
- if (!ctx->afu->enabled)
- return -EBUSY;
-
pr_devel("%s: mmio physical: %llx pe: %i master:%i\n", __func__,
ctx->psn_phys, ctx->pe , ctx->master);
+ vma->vm_flags |= VM_IO | VM_PFNMAP;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- return vm_iomap_memory(vma, ctx->psn_phys, len);
+ vma->vm_ops = &cxl_mmap_vmops;
+ return 0;
}
/*
@@ -150,12 +189,6 @@ static void __detach_context(struct cxl_context *ctx)
afu_release_irqs(ctx);
flush_work(&ctx->fault_work); /* Only needed for dedicated process */
wake_up_all(&ctx->wq);
-
- /* Release Problem State Area mapping */
- mutex_lock(&ctx->mapping_lock);
- if (ctx->mapping)
- unmap_mapping_range(ctx->mapping, 0, 0, 1);
- mutex_unlock(&ctx->mapping_lock);
}
/*
@@ -184,6 +217,17 @@ void cxl_context_detach_all(struct cxl_afu *afu)
* created and torn down after the IDR removed
*/
__detach_context(ctx);
+
+ /*
+ * We are force detaching - remove any active PSA mappings so
+ * userspace cannot interfere with the card if it comes back.
+ * Easiest way to exercise this is to unbind and rebind the
+ * driver via sysfs while it is in use.
+ */
+ mutex_lock(&ctx->mapping_lock);
+ if (ctx->mapping)
+ unmap_mapping_range(ctx->mapping, 0, 0, 1);
+ mutex_unlock(&ctx->mapping_lock);
}
mutex_unlock(&afu->contexts_lock);
}
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index e9f2f10dbb37..b15d8113877c 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -140,18 +140,20 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
pr_devel("%s: pe: %i\n", __func__, ctx->pe);
- mutex_lock(&ctx->status_mutex);
- if (ctx->status != OPENED) {
- rc = -EIO;
- goto out;
- }
-
+ /* Do this outside the status_mutex to avoid a circular dependency with
+ * the locking in cxl_mmap_fault() */
if (copy_from_user(&work, uwork,
sizeof(struct cxl_ioctl_start_work))) {
rc = -EFAULT;
goto out;
}
+ mutex_lock(&ctx->status_mutex);
+ if (ctx->status != OPENED) {
+ rc = -EIO;
+ goto out;
+ }
+
/*
* if any of the reserved fields are set or any of the unused
* flags are set it's invalid
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index ff2755062b44..06ff0a2ec960 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -234,6 +234,18 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable)
struct mei_me_hw *hw = to_me_hw(dev);
u32 hcsr = mei_hcsr_read(hw);
+ /* H_RST may be found lit before reset is started,
+ * for example if preceding reset flow hasn't completed.
+ * In that case asserting H_RST will be ignored, therefore
+ * we need to clean H_RST bit to start a successful reset sequence.
+ */
+ if ((hcsr & H_RST) == H_RST) {
+ dev_warn(dev->dev, "H_RST is set = 0x%08X", hcsr);
+ hcsr &= ~H_RST;
+ mei_me_reg_write(hw, H_CSR, hcsr);
+ hcsr = mei_hcsr_read(hw);
+ }
+
hcsr |= H_RST | H_IG | H_IS;
if (intr_enable)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 1453cd127921..f1a488ee432f 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1271,6 +1271,12 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
spin_unlock_irq(&host->lock);
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
spin_lock_irq(&host->lock);
+
+ if (mode != MMC_POWER_OFF)
+ sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL);
+ else
+ sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
+
return;
}
diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c
index e34da13885e8..27fa62ce6136 100644
--- a/drivers/phy/phy-miphy28lp.c
+++ b/drivers/phy/phy-miphy28lp.c
@@ -1050,7 +1050,8 @@ static int miphy28lp_init(struct phy *phy)
ret = miphy28lp_init_usb3(miphy_phy);
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
mutex_unlock(&miphy_dev->miphy_mutex);
diff --git a/drivers/phy/phy-omap-control.c b/drivers/phy/phy-omap-control.c
index c96e8183a8ff..efe724f97e02 100644
--- a/drivers/phy/phy-omap-control.c
+++ b/drivers/phy/phy-omap-control.c
@@ -29,10 +29,9 @@
/**
* omap_control_pcie_pcs - set the PCS delay count
* @dev: the control module device
- * @id: index of the pcie PHY (should be 1 or 2)
* @delay: 8 bit delay value
*/
-void omap_control_pcie_pcs(struct device *dev, u8 id, u8 delay)
+void omap_control_pcie_pcs(struct device *dev, u8 delay)
{
u32 val;
struct omap_control_phy *control_phy;
@@ -55,8 +54,8 @@ void omap_control_pcie_pcs(struct device *dev, u8 id, u8 delay)
val = readl(control_phy->pcie_pcs);
val &= ~(OMAP_CTRL_PCIE_PCS_MASK <<
- (id * OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT));
- val |= delay << (id * OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT);
+ OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT);
+ val |= (delay << OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT);
writel(val, control_phy->pcie_pcs);
}
EXPORT_SYMBOL_GPL(omap_control_pcie_pcs);
diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index fb02a67c9181..a2b08f3ccb03 100644
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -244,7 +244,8 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
else
data->num_phys = 3;
- if (of_device_is_compatible(np, "allwinner,sun4i-a10-usb-phy"))
+ if (of_device_is_compatible(np, "allwinner,sun4i-a10-usb-phy") ||
+ of_device_is_compatible(np, "allwinner,sun6i-a31-usb-phy"))
data->disc_thresh = 3;
else
data->disc_thresh = 2;
diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c
index 1387b4d4afe3..465de2c800f2 100644
--- a/drivers/phy/phy-ti-pipe3.c
+++ b/drivers/phy/phy-ti-pipe3.c
@@ -82,7 +82,6 @@ struct ti_pipe3 {
struct clk *refclk;
struct clk *div_clk;
struct pipe3_dpll_map *dpll_map;
- u8 id;
};
static struct pipe3_dpll_map dpll_map_usb[] = {
@@ -217,8 +216,13 @@ static int ti_pipe3_init(struct phy *x)
u32 val;
int ret = 0;
+ /*
+ * Set pcie_pcs register to 0x96 for proper functioning of phy
+ * as recommended in AM572x TRM SPRUHZ6, section 18.5.2.2, table
+ * 18-1804.
+ */
if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) {
- omap_control_pcie_pcs(phy->control_dev, phy->id, 0xF1);
+ omap_control_pcie_pcs(phy->control_dev, 0x96);
return 0;
}
@@ -347,8 +351,6 @@ static int ti_pipe3_probe(struct platform_device *pdev)
}
if (of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
- if (of_property_read_u8(node, "id", &phy->id) < 0)
- phy->id = 1;
clk = devm_clk_get(phy->dev, "dpll_ref");
if (IS_ERR(clk)) {
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index 86c72ba0a0cd..f8c5fc371c4c 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -2177,7 +2177,7 @@ bool BBbVT3253Init(struct vnt_private *priv)
/* Init ANT B select,RX Config CR10 = 0x28->0x2A, 0x2A->0x28(VC1/VC2 define, make the ANT_A, ANT_B inverted) */
/*bResult &= BBbWriteEmbedded(dwIoBase,0x0a,0x28);*/
/* Select VC1/VC2, CR215 = 0x02->0x06 */
- bResult &= BBbWriteEmbedded(dwIoBase, 0xd7, 0x06);
+ bResult &= BBbWriteEmbedded(priv, 0xd7, 0x06);
/* }} */
for (ii = 0; ii < CB_VT3253B0_AGC; ii++)
diff --git a/drivers/staging/vt6655/channel.c b/drivers/staging/vt6655/channel.c
index c8f739dd346e..70f870541f92 100644
--- a/drivers/staging/vt6655/channel.c
+++ b/drivers/staging/vt6655/channel.c
@@ -182,6 +182,14 @@ bool set_channel(void *pDeviceHandler, unsigned int uConnectionChannel)
if (pDevice->byCurrentCh == uConnectionChannel)
return bResult;
+ /* Set VGA to max sensitivity */
+ if (pDevice->bUpdateBBVGA &&
+ pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) {
+ pDevice->byBBVGACurrent = pDevice->abyBBVGA[0];
+
+ BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent);
+ }
+
/* clear NAV */
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV);
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 83e4162c0094..cd1a277d853b 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1232,7 +1232,7 @@ static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
head_td = priv->apCurrTD[dma_idx];
- head_td->m_td1TD1.byTCR = (TCR_EDP|TCR_STP);
+ head_td->m_td1TD1.byTCR = 0;
head_td->pTDInfo->skb = skb;
@@ -1257,6 +1257,11 @@ static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
priv->bPWBitOn = false;
+ /* Set TSR1 & ReqCount in TxDescHead */
+ head_td->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
+ head_td->m_td1TD1.wReqCount =
+ cpu_to_le16((u16)head_td->pTDInfo->dwReqCount);
+
head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB;
if (dma_idx == TYPE_AC0DMA)
@@ -1500,9 +1505,11 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
if (conf->enable_beacon) {
vnt_beacon_enable(priv, vif, conf);
- MACvRegBitsOn(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
+ MACvRegBitsOn(priv->PortOffset, MAC_REG_TCR,
+ TCR_AUTOBCNTX);
} else {
- MACvRegBitsOff(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
+ MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR,
+ TCR_AUTOBCNTX);
}
}
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 61c39dd7ad01..b5b0155961f2 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -1204,13 +1204,10 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
ptdCurr = (PSTxDesc)pHeadTD;
- ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
+ ptdCurr->pTDInfo->dwReqCount = cbReqCount;
ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
- /* Set TSR1 & ReqCount in TxDescHead */
- ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
- ptdCurr->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount));
return cbHeaderLength;
}
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index d2b496750d59..4ddfa60c9222 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2399,17 +2399,12 @@ static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file,
poll_wait(file, &tty->read_wait, wait);
poll_wait(file, &tty->write_wait, wait);
- if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
- mask |= POLLHUP;
if (input_available_p(tty, 1))
mask |= POLLIN | POLLRDNORM;
- else if (mask & POLLHUP) {
- tty_flush_to_ldisc(tty);
- if (input_available_p(tty, 1))
- mask |= POLLIN | POLLRDNORM;
- }
if (tty->packet && tty->link->ctrl_status)
mask |= POLLPRI | POLLIN | POLLRDNORM;
+ if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
+ mask |= POLLHUP;
if (tty_hung_up_p(file))
mask |= POLLHUP;
if (!(mask & (POLLHUP | POLLIN | POLLRDNORM))) {
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 31feeb2d0a66..d1f8dc6aabcb 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1815,7 +1815,7 @@ pci_wch_ch353_setup(struct serial_private *priv,
}
static int
-pci_wch_ch382_setup(struct serial_private *priv,
+pci_wch_ch38x_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_8250_port *port, int idx)
{
@@ -1880,6 +1880,7 @@ pci_wch_ch382_setup(struct serial_private *priv,
#define PCIE_VENDOR_ID_WCH 0x1c00
#define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250
+#define PCIE_DEVICE_ID_WCH_CH384_4S 0x3470
/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584
@@ -2571,13 +2572,21 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.subdevice = PCI_ANY_ID,
.setup = pci_wch_ch353_setup,
},
- /* WCH CH382 2S1P card (16750 clone) */
+ /* WCH CH382 2S1P card (16850 clone) */
{
.vendor = PCIE_VENDOR_ID_WCH,
.device = PCIE_DEVICE_ID_WCH_CH382_2S1P,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .setup = pci_wch_ch382_setup,
+ .setup = pci_wch_ch38x_setup,
+ },
+ /* WCH CH384 4S card (16850 clone) */
+ {
+ .vendor = PCIE_VENDOR_ID_WCH,
+ .device = PCIE_DEVICE_ID_WCH_CH384_4S,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_wch_ch38x_setup,
},
/*
* ASIX devices with FIFO bug
@@ -2876,6 +2885,7 @@ enum pci_board_num_t {
pbn_fintek_4,
pbn_fintek_8,
pbn_fintek_12,
+ pbn_wch384_4,
};
/*
@@ -3675,6 +3685,14 @@ static struct pciserial_board pci_boards[] = {
.base_baud = 115200,
.first_offset = 0x40,
},
+
+ [pbn_wch384_4] = {
+ .flags = FL_BASE0,
+ .num_ports = 4,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ .first_offset = 0xC0,
+ },
};
static const struct pci_device_id blacklist[] = {
@@ -3687,6 +3705,7 @@ static const struct pci_device_id blacklist[] = {
{ PCI_DEVICE(0x4348, 0x7053), }, /* WCH CH353 2S1P */
{ PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
{ PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
+ { PCI_DEVICE(0x1c00, 0x3470), }, /* WCH CH384 4S */
};
/*
@@ -5400,6 +5419,10 @@ static struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0, 0, pbn_b0_bt_2_115200 },
+ { PCIE_VENDOR_ID_WCH, PCIE_DEVICE_ID_WCH_CH384_4S,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0, pbn_wch384_4 },
+
/*
* Commtech, Inc. Fastcom adapters
*/
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 19273e31d224..107e80722575 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1757,32 +1757,43 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
#endif
#if defined(CONFIG_ARCH_EXYNOS)
+#define EXYNOS_COMMON_SERIAL_DRV_DATA \
+ .info = &(struct s3c24xx_uart_info) { \
+ .name = "Samsung Exynos UART", \
+ .type = PORT_S3C6400, \
+ .has_divslot = 1, \
+ .rx_fifomask = S5PV210_UFSTAT_RXMASK, \
+ .rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, \
+ .rx_fifofull = S5PV210_UFSTAT_RXFULL, \
+ .tx_fifofull = S5PV210_UFSTAT_TXFULL, \
+ .tx_fifomask = S5PV210_UFSTAT_TXMASK, \
+ .tx_fifoshift = S5PV210_UFSTAT_TXSHIFT, \
+ .def_clk_sel = S3C2410_UCON_CLKSEL0, \
+ .num_clks = 1, \
+ .clksel_mask = 0, \
+ .clksel_shift = 0, \
+ }, \
+ .def_cfg = &(struct s3c2410_uartcfg) { \
+ .ucon = S5PV210_UCON_DEFAULT, \
+ .ufcon = S5PV210_UFCON_DEFAULT, \
+ .has_fracval = 1, \
+ } \
+
static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
- .info = &(struct s3c24xx_uart_info) {
- .name = "Samsung Exynos4 UART",
- .type = PORT_S3C6400,
- .has_divslot = 1,
- .rx_fifomask = S5PV210_UFSTAT_RXMASK,
- .rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
- .rx_fifofull = S5PV210_UFSTAT_RXFULL,
- .tx_fifofull = S5PV210_UFSTAT_TXFULL,
- .tx_fifomask = S5PV210_UFSTAT_TXMASK,
- .tx_fifoshift = S5PV210_UFSTAT_TXSHIFT,
- .def_clk_sel = S3C2410_UCON_CLKSEL0,
- .num_clks = 1,
- .clksel_mask = 0,
- .clksel_shift = 0,
- },
- .def_cfg = &(struct s3c2410_uartcfg) {
- .ucon = S5PV210_UCON_DEFAULT,
- .ufcon = S5PV210_UFCON_DEFAULT,
- .has_fracval = 1,
- },
+ EXYNOS_COMMON_SERIAL_DRV_DATA,
.fifosize = { 256, 64, 16, 16 },
};
+
+static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
+ EXYNOS_COMMON_SERIAL_DRV_DATA,
+ .fifosize = { 64, 256, 16, 256 },
+};
+
#define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos4210_serial_drv_data)
+#define EXYNOS5433_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos5433_serial_drv_data)
#else
#define EXYNOS4210_SERIAL_DRV_DATA (kernel_ulong_t)NULL
+#define EXYNOS5433_SERIAL_DRV_DATA (kernel_ulong_t)NULL
#endif
static struct platform_device_id s3c24xx_serial_driver_ids[] = {
@@ -1804,6 +1815,9 @@ static struct platform_device_id s3c24xx_serial_driver_ids[] = {
}, {
.name = "exynos4210-uart",
.driver_data = EXYNOS4210_SERIAL_DRV_DATA,
+ }, {
+ .name = "exynos5433-uart",
+ .driver_data = EXYNOS5433_SERIAL_DRV_DATA,
},
{ },
};
@@ -1823,6 +1837,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = {
.data = (void *)S5PV210_SERIAL_DRV_DATA },
{ .compatible = "samsung,exynos4210-uart",
.data = (void *)EXYNOS4210_SERIAL_DRV_DATA },
+ { .compatible = "samsung,exynos5433-uart",
+ .data = (void *)EXYNOS5433_SERIAL_DRV_DATA },
{},
};
MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 57ca61b14670..984605bb5bf1 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2164,7 +2164,9 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
break;
}
- dev_info(port->dev, "%s%d at %s (irq = %d, base_baud = %d) is a %s\n",
+ printk(KERN_INFO "%s%s%s%d at %s (irq = %d, base_baud = %d) is a %s\n",
+ port->dev ? dev_name(port->dev) : "",
+ port->dev ? ": " : "",
drv->dev_name,
drv->tty_driver->name_base + port->line,
address, port->irq, port->uartclk / 16, uart_type(port));
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 4f35b43e2475..51f066aa375e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1464,6 +1464,9 @@ static int tty_reopen(struct tty_struct *tty)
driver->subtype == PTY_TYPE_MASTER)
return -EIO;
+ if (test_bit(TTY_EXCLUSIVE, &tty->flags) && !capable(CAP_SYS_ADMIN))
+ return -EBUSY;
+
tty->count++;
WARN_ON(!tty->ldisc);
@@ -2106,10 +2109,6 @@ retry_open:
retval = -ENODEV;
filp->f_flags = saved_flags;
- if (!retval && test_bit(TTY_EXCLUSIVE, &tty->flags) &&
- !capable(CAP_SYS_ADMIN))
- retval = -EBUSY;
-
if (retval) {
#ifdef TTY_DEBUG_HANGUP
printk(KERN_DEBUG "%s: error %d in opening %s...\n", __func__,
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 5b9825a4538a..a57dc8866fc5 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -669,7 +669,6 @@ static int ci_hdrc_probe(struct platform_device *pdev)
if (!ci)
return -ENOMEM;
- platform_set_drvdata(pdev, ci);
ci->dev = dev;
ci->platdata = dev_get_platdata(dev);
ci->imx28_write_fix = !!(ci->platdata->flags &
@@ -783,6 +782,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
}
}
+ platform_set_drvdata(pdev, ci);
ret = devm_request_irq(dev, ci->irq, ci_irq, IRQF_SHARED,
ci->platdata->name, ci);
if (ret)
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index c1694cff1eaf..48731d0bab35 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -91,6 +91,7 @@ static int host_start(struct ci_hdrc *ci)
if (!hcd)
return -ENOMEM;
+ dev_set_drvdata(ci->dev, ci);
hcd->rsrc_start = ci->hw_bank.phys;
hcd->rsrc_len = ci->hw_bank.size;
hcd->regs = ci->hw_bank.abs;
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 200168ec2d75..79242008085b 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2567,7 +2567,7 @@ error:
* s3c_hsotg_ep_disable - disable given endpoint
* @ep: The endpoint to disable.
*/
-static int s3c_hsotg_ep_disable(struct usb_ep *ep)
+static int s3c_hsotg_ep_disable_force(struct usb_ep *ep, bool force)
{
struct s3c_hsotg_ep *hs_ep = our_ep(ep);
struct dwc2_hsotg *hsotg = hs_ep->parent;
@@ -2588,7 +2588,7 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep)
spin_lock_irqsave(&hsotg->lock, flags);
/* terminate all requests with shutdown */
- kill_all_requests(hsotg, hs_ep, -ESHUTDOWN, false);
+ kill_all_requests(hsotg, hs_ep, -ESHUTDOWN, force);
hsotg->fifo_map &= ~(1<<hs_ep->fifo_index);
hs_ep->fifo_index = 0;
@@ -2609,6 +2609,10 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep)
return 0;
}
+static int s3c_hsotg_ep_disable(struct usb_ep *ep)
+{
+ return s3c_hsotg_ep_disable_force(ep, false);
+}
/**
* on_list - check request is on the given endpoint
* @ep: The endpoint to check.
@@ -2924,7 +2928,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget)
/* all endpoints should be shutdown */
for (ep = 1; ep < hsotg->num_of_eps; ep++)
- s3c_hsotg_ep_disable(&hsotg->eps[ep].ep);
+ s3c_hsotg_ep_disable_force(&hsotg->eps[ep].ep, true);
spin_lock_irqsave(&hsotg->lock, flags);
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 7c4faf738747..b642a2f998f9 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -33,6 +33,8 @@
#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
#define PCI_DEVICE_ID_INTEL_BSW 0x22B7
+#define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30
+#define PCI_DEVICE_ID_INTEL_SPTH 0xa130
struct dwc3_pci {
struct device *dev;
@@ -219,6 +221,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
{ } /* Terminating Entry */
};
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index f03b136ecfce..8f65ab3a3b92 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -882,8 +882,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (i == (request->num_mapped_sgs - 1) ||
sg_is_last(s)) {
- if (list_is_last(&req->list,
- &dep->request_list))
+ if (list_empty(&dep->request_list))
last_one = true;
chain = false;
}
@@ -901,6 +900,9 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (last_one)
break;
}
+
+ if (last_one)
+ break;
} else {
dma = req->request.dma;
length = req->request.length;
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 6e04e302dc3a..a1bc3e3a0b09 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -399,8 +399,9 @@ static int hidg_setup(struct usb_function *f,
value = __le16_to_cpu(ctrl->wValue);
length = __le16_to_cpu(ctrl->wLength);
- VDBG(cdev, "hid_setup crtl_request : bRequestType:0x%x bRequest:0x%x "
- "Value:0x%x\n", ctrl->bRequestType, ctrl->bRequest, value);
+ VDBG(cdev,
+ "%s crtl_request : bRequestType:0x%x bRequest:0x%x Value:0x%x\n",
+ __func__, ctrl->bRequestType, ctrl->bRequest, value);
switch ((ctrl->bRequestType << 8) | ctrl->bRequest) {
case ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index a90440300735..259b656c0b3e 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -520,7 +520,7 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req)
req = midi_alloc_ep_req(ep, midi->buflen);
if (!req) {
- ERROR(midi, "gmidi_transmit: alloc_ep_request failed\n");
+ ERROR(midi, "%s: alloc_ep_request failed\n", __func__);
return;
}
req->length = 0;
diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index f7b203293205..e9715845f82e 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -897,7 +897,6 @@ static void f_audio_free_inst(struct usb_function_instance *f)
struct f_uac1_opts *opts;
opts = container_of(f, struct f_uac1_opts, func_inst);
- gaudio_cleanup(opts->card);
if (opts->fn_play_alloc)
kfree(opts->fn_play);
if (opts->fn_cap_alloc)
@@ -935,6 +934,7 @@ static void f_audio_free(struct usb_function *f)
struct f_audio *audio = func_to_audio(f);
struct f_uac1_opts *opts;
+ gaudio_cleanup(&audio->card);
opts = container_of(f->fi, struct f_uac1_opts, func_inst);
kfree(audio);
mutex_lock(&opts->lock);
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index c744e4975d74..db49ec4c748e 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -441,6 +441,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
kbuf = memdup_user(buf, len);
if (IS_ERR(kbuf)) {
value = PTR_ERR(kbuf);
+ kbuf = NULL;
goto free1;
}
@@ -449,6 +450,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
data->name, len, (int) value);
free1:
mutex_unlock(&data->lock);
+ kfree (kbuf);
return value;
}
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index ce882371786b..9f93bed42052 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -716,10 +716,10 @@ static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
req->using_dma = 1;
req->ctrl = USBA_BF(DMA_BUF_LEN, req->req.length)
| USBA_DMA_CH_EN | USBA_DMA_END_BUF_IE
- | USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
+ | USBA_DMA_END_BUF_EN;
- if (ep->is_in)
- req->ctrl |= USBA_DMA_END_BUF_EN;
+ if (!ep->is_in)
+ req->ctrl |= USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
/*
* Add this request to the queue and submit for DMA if
@@ -828,7 +828,7 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
{
struct usba_ep *ep = to_usba_ep(_ep);
struct usba_udc *udc = ep->udc;
- struct usba_request *req = to_usba_req(_req);
+ struct usba_request *req;
unsigned long flags;
u32 status;
@@ -837,6 +837,16 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
spin_lock_irqsave(&udc->lock, flags);
+ list_for_each_entry(req, &ep->queue, queue) {
+ if (&req->req == _req)
+ break;
+ }
+
+ if (&req->req != _req) {
+ spin_unlock_irqrestore(&udc->lock, flags);
+ return -EINVAL;
+ }
+
if (req->using_dma) {
/*
* If this request is currently being transferred,
@@ -1563,7 +1573,6 @@ static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
DBG(DBG_BUS, "%s: RX data ready\n", ep->ep.name);
receive_data(ep);
- usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
}
}
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index ff67ceac77c4..d4fe8d769bd6 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -718,10 +718,11 @@ static int ep_queue(struct bdc_ep *ep, struct bdc_req *req)
struct bdc *bdc;
int ret = 0;
- bdc = ep->bdc;
if (!req || !ep || !ep->usb_ep.desc)
return -EINVAL;
+ bdc = ep->bdc;
+
req->usb_req.actual = 0;
req->usb_req.status = -EINPROGRESS;
req->epnum = ep->ep_num;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index e113fd73aeae..f9a332775c47 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1581,6 +1581,10 @@ iso_stream_schedule (
else
next = (now + 2 + 7) & ~0x07; /* full frame cache */
+ /* If needed, initialize last_iso_frame so that this URB will be seen */
+ if (ehci->isoc_count == 0)
+ ehci->last_iso_frame = now >> 3;
+
/*
* Use ehci->last_iso_frame as the base. There can't be any
* TDs scheduled for earlier than that.
@@ -1600,11 +1604,11 @@ iso_stream_schedule (
*/
now2 = (now - base) & (mod - 1);
- /* Is the schedule already full? */
+ /* Is the schedule about to wrap around? */
if (unlikely(!empty && start < period)) {
- ehci_dbg(ehci, "iso sched full %p (%u-%u < %u mod %u)\n",
+ ehci_dbg(ehci, "request %p would overflow (%u-%u < %u mod %u)\n",
urb, stream->next_uframe, base, period, mod);
- status = -ENOSPC;
+ status = -EFBIG;
goto fail;
}
@@ -1671,10 +1675,6 @@ iso_stream_schedule (
urb->start_frame = start & (mod - 1);
if (!stream->highspeed)
urb->start_frame >>= 3;
-
- /* Make sure scan_isoc() sees these */
- if (ehci->isoc_count == 0)
- ehci->last_iso_frame = now >> 3;
return status;
fail:
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 19a9af1b4d74..ff9af29b4e9f 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -451,7 +451,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
u_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "nvidia,phy", 0);
if (IS_ERR(u_phy)) {
- err = PTR_ERR(u_phy);
+ err = -EPROBE_DEFER;
goto cleanup_clk_en;
}
hcd->usb_phy = u_phy;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index dd483c13565b..ce636466edb7 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -567,7 +567,8 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
void __iomem *base;
u32 control;
- u32 fminterval;
+ u32 fminterval = 0;
+ bool no_fminterval = false;
int cnt;
if (!mmio_resource_enabled(pdev, 0))
@@ -577,6 +578,13 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
if (base == NULL)
return;
+ /*
+ * ULi M5237 OHCI controller locks the whole system when accessing
+ * the OHCI_FMINTERVAL offset.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237)
+ no_fminterval = true;
+
control = readl(base + OHCI_CONTROL);
/* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
@@ -615,7 +623,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
}
/* software reset of the controller, preserving HcFmInterval */
- fminterval = readl(base + OHCI_FMINTERVAL);
+ if (!no_fminterval)
+ fminterval = readl(base + OHCI_FMINTERVAL);
+
writel(OHCI_HCR, base + OHCI_CMDSTATUS);
/* reset requires max 10 us delay */
@@ -624,7 +634,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
break;
udelay(1);
}
- writel(fminterval, base + OHCI_FMINTERVAL);
+
+ if (!no_fminterval)
+ writel(fminterval, base + OHCI_FMINTERVAL);
/* Now the controller is safely in SUSPEND and nothing can wake it up */
iounmap(base);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 142b601f9563..7f76c8a12f89 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -82,6 +82,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
"must be suspended extra slowly",
pdev->revision);
}
+ if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK)
+ xhci->quirks |= XHCI_BROKEN_STREAMS;
/* Fresco Logic confirms: all revisions of this chip do not
* support MSI, even though some of them claim to in their PCI
* capabilities.
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 01fcbb5eb06e..c50d8d202618 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3803,6 +3803,15 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
return -EINVAL;
}
+ if (setup == SETUP_CONTEXT_ONLY) {
+ slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx);
+ if (GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state)) ==
+ SLOT_STATE_DEFAULT) {
+ xhci_dbg(xhci, "Slot already in default state\n");
+ return 0;
+ }
+ }
+
command = xhci_alloc_command(xhci, false, false, GFP_KERNEL);
if (!command)
return -ENOMEM;
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 9d68372dd9aa..b005010240e5 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -72,6 +72,8 @@ config USB_MUSB_DA8XX
config USB_MUSB_TUSB6010
tristate "TUSB6010"
+ depends on ARCH_OMAP2PLUS || COMPILE_TEST
+ depends on NOP_USB_XCEIV = USB_MUSB_HDRC # both built-in or both modules
config USB_MUSB_OMAP2PLUS
tristate "OMAP2430 and onwards"
@@ -85,6 +87,7 @@ config USB_MUSB_AM35X
config USB_MUSB_DSPS
tristate "TI DSPS platforms"
select USB_MUSB_AM335X_CHILD
+ depends on ARCH_OMAP2PLUS || COMPILE_TEST
depends on OF_IRQ
config USB_MUSB_BLACKFIN
@@ -93,6 +96,7 @@ config USB_MUSB_BLACKFIN
config USB_MUSB_UX500
tristate "Ux500 platforms"
+ depends on ARCH_U8500 || COMPILE_TEST
config USB_MUSB_JZ4740
tristate "JZ4740"
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index a441a2de8619..178250145613 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -63,7 +63,7 @@ static void bfin_writew(void __iomem *addr, unsigned offset, u16 data)
bfin_write16(addr + offset, data);
}
-static void binf_writel(void __iomem *addr, unsigned offset, u32 data)
+static void bfin_writel(void __iomem *addr, unsigned offset, u32 data)
{
bfin_write16(addr + offset, (u16)data);
}
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index f64fd964dc6d..c39a16ad7832 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -628,9 +628,9 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller)
ret = of_property_read_string_index(np, "dma-names", i, &str);
if (ret)
goto err;
- if (!strncmp(str, "tx", 2))
+ if (strstarts(str, "tx"))
is_tx = 1;
- else if (!strncmp(str, "rx", 2))
+ else if (strstarts(str, "rx"))
is_tx = 0;
else {
dev_err(dev, "Wrong dmatype %s\n", str);
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index ad3701a97389..48131aa8472c 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -59,20 +59,12 @@ static const struct musb_register_map musb_regmap[] = {
{ "RxMaxPp", MUSB_RXMAXP, 16 },
{ "RxCSR", MUSB_RXCSR, 16 },
{ "RxCount", MUSB_RXCOUNT, 16 },
- { "ConfigData", MUSB_CONFIGDATA,8 },
{ "IntrRxE", MUSB_INTRRXE, 16 },
{ "IntrTxE", MUSB_INTRTXE, 16 },
{ "IntrUsbE", MUSB_INTRUSBE, 8 },
{ "DevCtl", MUSB_DEVCTL, 8 },
- { "BabbleCtl", MUSB_BABBLE_CTL,8 },
- { "TxFIFOsz", MUSB_TXFIFOSZ, 8 },
- { "RxFIFOsz", MUSB_RXFIFOSZ, 8 },
- { "TxFIFOadd", MUSB_TXFIFOADD, 16 },
- { "RxFIFOadd", MUSB_RXFIFOADD, 16 },
{ "VControl", 0x68, 32 },
{ "HWVers", 0x69, 16 },
- { "EPInfo", MUSB_EPINFO, 8 },
- { "RAMInfo", MUSB_RAMINFO, 8 },
{ "LinkInfo", MUSB_LINKINFO, 8 },
{ "VPLen", MUSB_VPLEN, 8 },
{ "HS_EOF1", MUSB_HS_EOF1, 8 },
@@ -103,6 +95,16 @@ static const struct musb_register_map musb_regmap[] = {
{ "DMA_CNTLch7", 0x274, 16 },
{ "DMA_ADDRch7", 0x278, 32 },
{ "DMA_COUNTch7", 0x27C, 32 },
+#ifndef CONFIG_BLACKFIN
+ { "ConfigData", MUSB_CONFIGDATA,8 },
+ { "BabbleCtl", MUSB_BABBLE_CTL,8 },
+ { "TxFIFOsz", MUSB_TXFIFOSZ, 8 },
+ { "RxFIFOsz", MUSB_RXFIFOSZ, 8 },
+ { "TxFIFOadd", MUSB_TXFIFOADD, 16 },
+ { "RxFIFOadd", MUSB_RXFIFOADD, 16 },
+ { "EPInfo", MUSB_EPINFO, 8 },
+ { "RAMInfo", MUSB_RAMINFO, 8 },
+#endif
{ } /* Terminating Entry */
};
@@ -197,30 +199,30 @@ static ssize_t musb_test_mode_write(struct file *file,
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
- if (!strncmp(buf, "force host", 9))
+ if (strstarts(buf, "force host"))
test = MUSB_TEST_FORCE_HOST;
- if (!strncmp(buf, "fifo access", 11))
+ if (strstarts(buf, "fifo access"))
test = MUSB_TEST_FIFO_ACCESS;
- if (!strncmp(buf, "force full-speed", 15))
+ if (strstarts(buf, "force full-speed"))
test = MUSB_TEST_FORCE_FS;
- if (!strncmp(buf, "force high-speed", 15))
+ if (strstarts(buf, "force high-speed"))
test = MUSB_TEST_FORCE_HS;
- if (!strncmp(buf, "test packet", 10)) {
+ if (strstarts(buf, "test packet")) {
test = MUSB_TEST_PACKET;
musb_load_testpacket(musb);
}
- if (!strncmp(buf, "test K", 6))
+ if (strstarts(buf, "test K"))
test = MUSB_TEST_K;
- if (!strncmp(buf, "test J", 6))
+ if (strstarts(buf, "test J"))
test = MUSB_TEST_J;
- if (!strncmp(buf, "test SE0 NAK", 12))
+ if (strstarts(buf, "test SE0 NAK"))
test = MUSB_TEST_SE0_NAK;
musb_writeb(musb->mregs, MUSB_TESTMODE, test);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 23d474d3d7f4..883a9adfdfff 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2663,7 +2663,6 @@ void musb_host_cleanup(struct musb *musb)
if (musb->port_mode == MUSB_PORT_MODE_GADGET)
return;
usb_remove_hcd(musb->hcd);
- musb->hcd = NULL;
}
void musb_host_free(struct musb *musb)
diff --git a/drivers/usb/phy/phy-mv-usb.c b/drivers/usb/phy/phy-mv-usb.c
index 699e38c73d82..697a741a0cb1 100644
--- a/drivers/usb/phy/phy-mv-usb.c
+++ b/drivers/usb/phy/phy-mv-usb.c
@@ -338,7 +338,6 @@ static void mv_otg_update_inputs(struct mv_otg *mvotg)
static void mv_otg_update_state(struct mv_otg *mvotg)
{
struct mv_otg_ctrl *otg_ctrl = &mvotg->otg_ctrl;
- struct usb_phy *phy = &mvotg->phy;
int old_state = mvotg->phy.otg->state;
switch (old_state) {
@@ -858,10 +857,10 @@ static int mv_otg_suspend(struct platform_device *pdev, pm_message_t state)
{
struct mv_otg *mvotg = platform_get_drvdata(pdev);
- if (mvotg->phy.state != OTG_STATE_B_IDLE) {
+ if (mvotg->phy.otg->state != OTG_STATE_B_IDLE) {
dev_info(&pdev->dev,
"OTG state is not B_IDLE, it is %d!\n",
- mvotg->phy.state);
+ mvotg->phy.otg->state);
return -EAGAIN;
}
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index b4066a001ba0..ccfdfb24b240 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -34,7 +34,7 @@ static struct usb_phy *__usb_find_phy(struct list_head *list,
return phy;
}
- return ERR_PTR(-ENODEV);
+ return ERR_PTR(-EPROBE_DEFER);
}
static struct usb_phy *__usb_find_phy_dev(struct device *dev,
@@ -59,6 +59,9 @@ static struct usb_phy *__of_usb_find_phy(struct device_node *node)
{
struct usb_phy *phy;
+ if (!of_device_is_available(node))
+ return ERR_PTR(-ENODEV);
+
list_for_each_entry(phy, &phy_list, head) {
if (node != phy->dev->of_node)
continue;
@@ -66,7 +69,7 @@ static struct usb_phy *__of_usb_find_phy(struct device_node *node)
return phy;
}
- return ERR_PTR(-ENODEV);
+ return ERR_PTR(-EPROBE_DEFER);
}
static void devm_usb_phy_release(struct device *dev, void *res)
@@ -190,10 +193,13 @@ struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
spin_lock_irqsave(&phy_lock, flags);
phy = __of_usb_find_phy(node);
- if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
- if (!IS_ERR(phy))
- phy = ERR_PTR(-EPROBE_DEFER);
+ if (IS_ERR(phy)) {
+ devres_free(ptr);
+ goto err1;
+ }
+ if (!try_module_get(phy->dev->driver->owner)) {
+ phy = ERR_PTR(-ENODEV);
devres_free(ptr);
goto err1;
}
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 8d7fc48b1f30..29fa1c3d0089 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -46,6 +46,8 @@ static struct console usbcons;
* ------------------------------------------------------------
*/
+static const struct tty_operations usb_console_fake_tty_ops = {
+};
/*
* The parsing of the command line works exactly like the
@@ -137,13 +139,17 @@ static int usb_console_setup(struct console *co, char *options)
goto reset_open_count;
}
kref_init(&tty->kref);
- tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
+ init_ldsem(&tty->ldisc_sem);
+ INIT_LIST_HEAD(&tty->tty_files);
+ kref_get(&tty->driver->kref);
+ tty->ops = &usb_console_fake_tty_ops;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
- goto free_tty;
+ goto put_tty;
}
+ tty_port_tty_set(&port->port, tty);
}
/* only call the device specific open if this
@@ -161,7 +167,7 @@ static int usb_console_setup(struct console *co, char *options)
serial->type->set_termios(tty, port, &dummy);
tty_port_tty_set(&port->port, NULL);
- kfree(tty);
+ tty_kref_put(tty);
}
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@@ -177,8 +183,8 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
- free_tty:
- kfree(tty);
+ put_tty:
+ tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
usb_autopm_put_interface(serial->interface);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 6c4eb3cf5efd..f4c56fc1a9f6 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -120,10 +120,12 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
- { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
+ { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
+ { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 1bd192290b08..ccf1df7c4b80 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -286,7 +286,7 @@ static int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,
res = usb_submit_urb(port->read_urbs[index], mem_flags);
if (res) {
- if (res != -EPERM) {
+ if (res != -EPERM && res != -ENODEV) {
dev_err(&port->dev,
"%s - usb_submit_urb failed: %d\n",
__func__, res);
@@ -373,7 +373,7 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb)
__func__, urb->status);
return;
default:
- dev_err(&port->dev, "%s - nonzero urb status: %d\n",
+ dev_dbg(&port->dev, "%s - nonzero urb status: %d\n",
__func__, urb->status);
goto resubmit;
}
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 077c714f1285..e07b15ed5814 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -410,6 +410,8 @@ static void usa26_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -420,7 +422,7 @@ static void usa26_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -527,6 +529,8 @@ static void usa28_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -537,7 +541,7 @@ static void usa28_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -607,6 +611,8 @@ static void usa49_instat_callback(struct urb *urb)
}
port = serial->port[msg->portNumber];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -617,7 +623,7 @@ static void usa49_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -855,6 +861,8 @@ static void usa90_instat_callback(struct urb *urb)
port = serial->port[0];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -865,7 +873,7 @@ static void usa90_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -926,6 +934,8 @@ static void usa67_instat_callback(struct urb *urb)
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -934,7 +944,7 @@ static void usa67_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 7a4c21b4f676..efdcee15b520 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -234,6 +234,8 @@ static void option_instat_callback(struct urb *urb);
#define QUALCOMM_VENDOR_ID 0x05C6
+#define SIERRA_VENDOR_ID 0x1199
+
#define CMOTECH_VENDOR_ID 0x16d8
#define CMOTECH_PRODUCT_6001 0x6001
#define CMOTECH_PRODUCT_CMU_300 0x6002
@@ -512,7 +514,7 @@ enum option_blacklist_reason {
OPTION_BLACKLIST_RESERVED_IF = 2
};
-#define MAX_BL_NUM 8
+#define MAX_BL_NUM 11
struct option_blacklist_info {
/* bitfield of interface numbers for OPTION_BLACKLIST_SENDSETUP */
const unsigned long sendsetup;
@@ -601,6 +603,11 @@ static const struct option_blacklist_info telit_le920_blacklist = {
.reserved = BIT(1) | BIT(5),
};
+static const struct option_blacklist_info sierra_mc73xx_blacklist = {
+ .sendsetup = BIT(0) | BIT(2),
+ .reserved = BIT(8) | BIT(10) | BIT(11),
+};
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -1098,6 +1105,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
+ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff),
+ .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index cb3e14780a7e..9c63897b3a56 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -142,7 +142,6 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
{DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
{DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
- {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC73xx */
{DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
{DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
{DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h
index 8a6f371ed6e7..9893d696fc97 100644
--- a/drivers/usb/storage/uas-detect.h
+++ b/drivers/usb/storage/uas-detect.h
@@ -69,16 +69,39 @@ static int uas_use_uas_driver(struct usb_interface *intf,
return 0;
/*
- * ASM1051 and older ASM1053 devices have the same usb-id, and UAS is
- * broken on the ASM1051, use the number of streams to differentiate.
- * New ASM1053-s also support 32 streams, but have a different prod-id.
+ * ASMedia has a number of usb3 to sata bridge chips, at the time of
+ * this writing the following versions exist:
+ * ASM1051 - no uas support version
+ * ASM1051 - with broken (*) uas support
+ * ASM1053 - with working uas support
+ * ASM1153 - with working uas support
+ *
+ * Devices with these chips re-use a number of device-ids over the
+ * entire line, so the device-id is useless to determine if we're
+ * dealing with an ASM1051 (which we want to avoid).
+ *
+ * The ASM1153 can be identified by config.MaxPower == 0,
+ * where as the ASM105x models have config.MaxPower == 36.
+ *
+ * Differentiating between the ASM1053 and ASM1051 is trickier, when
+ * connected over USB-3 we can look at the number of streams supported,
+ * ASM1051 supports 32 streams, where as early ASM1053 versions support
+ * 16 streams, newer ASM1053-s also support 32 streams, but have a
+ * different prod-id.
+ *
+ * (*) ASM1051 chips do work with UAS with some disks (with the
+ * US_FL_NO_REPORT_OPCODES quirk), but are broken with other disks
*/
if (le16_to_cpu(udev->descriptor.idVendor) == 0x174c &&
- le16_to_cpu(udev->descriptor.idProduct) == 0x55aa) {
- if (udev->speed < USB_SPEED_SUPER) {
+ (le16_to_cpu(udev->descriptor.idProduct) == 0x5106 ||
+ le16_to_cpu(udev->descriptor.idProduct) == 0x55aa)) {
+ if (udev->actconfig->desc.bMaxPower == 0) {
+ /* ASM1153, do nothing */
+ } else if (udev->speed < USB_SPEED_SUPER) {
/* No streams info, assume ASM1051 */
flags |= US_FL_IGNORE_UAS;
} else if (usb_ss_max_streams(&eps[1]->ss_ep_comp) == 32) {
+ /* Possibly an ASM1051, disable uas */
flags |= US_FL_IGNORE_UAS;
}
}
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 18a283d6de1c..6df4357d9ee3 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -40,6 +40,16 @@
* and don't forget to CC: the USB development list <linux-usb@vger.kernel.org>
*/
+/*
+ * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
+ * commands in UAS mode. Observed with the 1.28 firmware; are there others?
+ */
+UNUSUAL_DEV(0x0984, 0x0301, 0x0128, 0x0128,
+ "Apricorn",
+ "",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/* https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
UNUSUAL_DEV(0x0bc2, 0x2312, 0x0000, 0x9999,
"Seagate",
@@ -68,6 +78,20 @@ UNUSUAL_DEV(0x0bc2, 0xa003, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),
+/* Reported-by: Marcin ZajÄ…czkowski <mszpak@wp.pl> */
+UNUSUAL_DEV(0x0bc2, 0xa013, 0x0000, 0x9999,
+ "Seagate",
+ "Backup Plus",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_ATA_1X),
+
+/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
+UNUSUAL_DEV(0x0bc2, 0xa0a4, 0x0000, 0x9999,
+ "Seagate",
+ "Backup Plus Desk",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_ATA_1X),
+
/* https://bbs.archlinux.org/viewtopic.php?id=183190 */
UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999,
"Seagate",
@@ -82,6 +106,13 @@ UNUSUAL_DEV(0x0bc2, 0xab21, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),
+/* Reported-by: G. Richard Bellamy <rbellamy@pteradigm.com> */
+UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999,
+ "Seagate",
+ "BUP Fast HDD",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_ATA_1X),
+
/* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */
UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
"JMicron",
@@ -89,14 +120,6 @@ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_REPORT_OPCODES),
-/* Most ASM1051 based devices have issues with uas, blacklist them all */
-/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
-UNUSUAL_DEV(0x174c, 0x5106, 0x0000, 0x9999,
- "ASMedia",
- "ASM1051",
- USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_IGNORE_UAS),
-
/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
"VIA",
@@ -104,6 +127,13 @@ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),
+/* Reported-by: Takeo Nakayama <javhera@gmx.com> */
+UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999,
+ "JMicron",
+ "JMS566",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_REPORT_OPCODES),
+
/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999,
"Hitachi",
diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c
index 1c29bd19e3d5..0e5fde1d3ffb 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -636,7 +636,7 @@ static int broadsheet_spiflash_rewrite_sector(struct broadsheetfb_par *par,
err = broadsheet_spiflash_read_range(par, start_sector_addr,
data_start_addr, sector_buffer);
if (err)
- return err;
+ goto out;
}
/* now we copy our data into the right place in the sector buffer */
@@ -657,7 +657,7 @@ static int broadsheet_spiflash_rewrite_sector(struct broadsheetfb_par *par,
err = broadsheet_spiflash_read_range(par, tail_start_addr,
tail_len, sector_buffer + tail_start_addr);
if (err)
- return err;
+ goto out;
}
/* if we got here we have the full sector that we want to rewrite. */
@@ -665,11 +665,13 @@ static int broadsheet_spiflash_rewrite_sector(struct broadsheetfb_par *par,
/* first erase the sector */
err = broadsheet_spiflash_erase_sector(par, start_sector_addr);
if (err)
- return err;
+ goto out;
/* now write it */
err = broadsheet_spiflash_write_sector(par, start_sector_addr,
sector_buffer, sector_size);
+out:
+ kfree(sector_buffer);
return err;
}
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 92cac803dee3..1085c0432158 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -402,7 +402,7 @@ static int __init simplefb_init(void)
if (ret)
return ret;
- if (IS_ENABLED(CONFIG_OF) && of_chosen) {
+ if (IS_ENABLED(CONFIG_OF_ADDRESS) && of_chosen) {
for_each_child_of_node(of_chosen, np) {
if (of_device_is_compatible(np, "simple-framebuffer"))
of_platform_device_create(np, NULL, NULL);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ba1107977f2e..ed19a7d622fa 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -131,6 +131,13 @@ static void fuse_req_init_context(struct fuse_req *req)
req->in.h.pid = current->pid;
}
+void fuse_set_initialized(struct fuse_conn *fc)
+{
+ /* Make sure stores before this are seen on another CPU */
+ smp_wmb();
+ fc->initialized = 1;
+}
+
static bool fuse_block_alloc(struct fuse_conn *fc, bool for_background)
{
return !fc->initialized || (for_background && fc->blocked);
@@ -155,6 +162,8 @@ static struct fuse_req *__fuse_get_req(struct fuse_conn *fc, unsigned npages,
if (intr)
goto out;
}
+ /* Matches smp_wmb() in fuse_set_initialized() */
+ smp_rmb();
err = -ENOTCONN;
if (!fc->connected)
@@ -253,6 +262,8 @@ struct fuse_req *fuse_get_req_nofail_nopages(struct fuse_conn *fc,
atomic_inc(&fc->num_waiting);
wait_event(fc->blocked_waitq, fc->initialized);
+ /* Matches smp_wmb() in fuse_set_initialized() */
+ smp_rmb();
req = fuse_request_alloc(0);
if (!req)
req = get_reserved_req(fc, file);
@@ -511,6 +522,39 @@ void fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
}
EXPORT_SYMBOL_GPL(fuse_request_send);
+static void fuse_adjust_compat(struct fuse_conn *fc, struct fuse_args *args)
+{
+ if (fc->minor < 4 && args->in.h.opcode == FUSE_STATFS)
+ args->out.args[0].size = FUSE_COMPAT_STATFS_SIZE;
+
+ if (fc->minor < 9) {
+ switch (args->in.h.opcode) {
+ case FUSE_LOOKUP:
+ case FUSE_CREATE:
+ case FUSE_MKNOD:
+ case FUSE_MKDIR:
+ case FUSE_SYMLINK:
+ case FUSE_LINK:
+ args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
+ break;
+ case FUSE_GETATTR:
+ case FUSE_SETATTR:
+ args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
+ break;
+ }
+ }
+ if (fc->minor < 12) {
+ switch (args->in.h.opcode) {
+ case FUSE_CREATE:
+ args->in.args[0].size = sizeof(struct fuse_open_in);
+ break;
+ case FUSE_MKNOD:
+ args->in.args[0].size = FUSE_COMPAT_MKNOD_IN_SIZE;
+ break;
+ }
+ }
+}
+
ssize_t fuse_simple_request(struct fuse_conn *fc, struct fuse_args *args)
{
struct fuse_req *req;
@@ -520,6 +564,9 @@ ssize_t fuse_simple_request(struct fuse_conn *fc, struct fuse_args *args)
if (IS_ERR(req))
return PTR_ERR(req);
+ /* Needs to be done after fuse_get_req() so that fc->minor is valid */
+ fuse_adjust_compat(fc, args);
+
req->in.h.opcode = args->in.h.opcode;
req->in.h.nodeid = args->in.h.nodeid;
req->in.numargs = args->in.numargs;
@@ -2127,7 +2174,7 @@ void fuse_abort_conn(struct fuse_conn *fc)
if (fc->connected) {
fc->connected = 0;
fc->blocked = 0;
- fc->initialized = 1;
+ fuse_set_initialized(fc);
end_io_requests(fc);
end_queued_requests(fc);
end_polls(fc);
@@ -2146,7 +2193,7 @@ int fuse_dev_release(struct inode *inode, struct file *file)
spin_lock(&fc->lock);
fc->connected = 0;
fc->blocked = 0;
- fc->initialized = 1;
+ fuse_set_initialized(fc);
end_queued_requests(fc);
end_polls(fc);
wake_up_all(&fc->blocked_waitq);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 252b8a5de8b5..08e7b1a9d5d0 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -156,10 +156,7 @@ static void fuse_lookup_init(struct fuse_conn *fc, struct fuse_args *args,
args->in.args[0].size = name->len + 1;
args->in.args[0].value = name->name;
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(struct fuse_entry_out);
+ args->out.args[0].size = sizeof(struct fuse_entry_out);
args->out.args[0].value = outarg;
}
@@ -422,16 +419,12 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
args.in.h.opcode = FUSE_CREATE;
args.in.h.nodeid = get_node_id(dir);
args.in.numargs = 2;
- args.in.args[0].size = fc->minor < 12 ? sizeof(struct fuse_open_in) :
- sizeof(inarg);
+ args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.in.args[1].size = entry->d_name.len + 1;
args.in.args[1].value = entry->d_name.name;
args.out.numargs = 2;
- if (fc->minor < 9)
- args.out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args.out.args[0].size = sizeof(outentry);
+ args.out.args[0].size = sizeof(outentry);
args.out.args[0].value = &outentry;
args.out.args[1].size = sizeof(outopen);
args.out.args[1].value = &outopen;
@@ -539,10 +532,7 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_args *args,
memset(&outarg, 0, sizeof(outarg));
args->in.h.nodeid = get_node_id(dir);
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(outarg);
+ args->out.args[0].size = sizeof(outarg);
args->out.args[0].value = &outarg;
err = fuse_simple_request(fc, args);
if (err)
@@ -592,8 +582,7 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
inarg.umask = current_umask();
args.in.h.opcode = FUSE_MKNOD;
args.in.numargs = 2;
- args.in.args[0].size = fc->minor < 12 ? FUSE_COMPAT_MKNOD_IN_SIZE :
- sizeof(inarg);
+ args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.in.args[1].size = entry->d_name.len + 1;
args.in.args[1].value = entry->d_name.name;
@@ -899,10 +888,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
args.in.args[0].size = sizeof(inarg);
args.in.args[0].value = &inarg;
args.out.numargs = 1;
- if (fc->minor < 9)
- args.out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
- else
- args.out.args[0].size = sizeof(outarg);
+ args.out.args[0].size = sizeof(outarg);
args.out.args[0].value = &outarg;
err = fuse_simple_request(fc, &args);
if (!err) {
@@ -1574,10 +1560,7 @@ static void fuse_setattr_fill(struct fuse_conn *fc, struct fuse_args *args,
args->in.args[0].size = sizeof(*inarg_p);
args->in.args[0].value = inarg_p;
args->out.numargs = 1;
- if (fc->minor < 9)
- args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
- else
- args->out.args[0].size = sizeof(*outarg_p);
+ args->out.args[0].size = sizeof(*outarg_p);
args->out.args[0].value = outarg_p;
}
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index e0fc6725d1d0..1cdfb07c1376 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -906,4 +906,6 @@ int fuse_write_inode(struct inode *inode, struct writeback_control *wbc);
int fuse_do_setattr(struct inode *inode, struct iattr *attr,
struct file *file);
+void fuse_set_initialized(struct fuse_conn *fc);
+
#endif /* _FS_FUSE_I_H */
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 6749109f255d..f38256e4476e 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -424,8 +424,7 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
args.in.h.opcode = FUSE_STATFS;
args.in.h.nodeid = get_node_id(dentry->d_inode);
args.out.numargs = 1;
- args.out.args[0].size =
- fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
+ args.out.args[0].size = sizeof(outarg);
args.out.args[0].value = &outarg;
err = fuse_simple_request(fc, &args);
if (!err)
@@ -898,7 +897,7 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
fc->max_write = max_t(unsigned, 4096, fc->max_write);
fc->conn_init = 1;
}
- fc->initialized = 1;
+ fuse_set_initialized(fc);
wake_up_all(&fc->blocked_waitq);
}
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 37989f02a226..2d881b381d2b 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -201,10 +201,14 @@ static unsigned int kernfs_name_hash(const char *name, const void *ns)
static int kernfs_name_compare(unsigned int hash, const char *name,
const void *ns, const struct kernfs_node *kn)
{
- if (hash != kn->hash)
- return hash - kn->hash;
- if (ns != kn->ns)
- return ns - kn->ns;
+ if (hash < kn->hash)
+ return -1;
+ if (hash > kn->hash)
+ return 1;
+ if (ns < kn->ns)
+ return -1;
+ if (ns > kn->ns)
+ return 1;
return strcmp(name, kn->name);
}
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index e94c887da2d7..55505cbe11af 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -138,10 +138,6 @@ lockd(void *vrqstp)
dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
- if (!nlm_timeout)
- nlm_timeout = LOCKD_DFLT_TIMEO;
- nlmsvc_timeout = nlm_timeout * HZ;
-
/*
* The main request loop. We don't terminate until the last
* NFS mount or NFS daemon has gone away.
@@ -350,6 +346,10 @@ static struct svc_serv *lockd_create_svc(void)
printk(KERN_WARNING
"lockd_up: no pid, %d users??\n", nlmsvc_users);
+ if (!nlm_timeout)
+ nlm_timeout = LOCKD_DFLT_TIMEO;
+ nlmsvc_timeout = nlm_timeout * HZ;
+
serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, svc_rpcb_cleanup);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 03311259b0c4..953daa44a282 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -228,6 +228,7 @@ static void nfs4_shutdown_client(struct nfs_client *clp)
kfree(clp->cl_serverowner);
kfree(clp->cl_serverscope);
kfree(clp->cl_implid);
+ kfree(clp->cl_owner_id);
}
void nfs4_free_client(struct nfs_client *clp)
@@ -452,6 +453,14 @@ static void nfs4_swap_callback_idents(struct nfs_client *keep,
spin_unlock(&nn->nfs_client_lock);
}
+static bool nfs4_match_client_owner_id(const struct nfs_client *clp1,
+ const struct nfs_client *clp2)
+{
+ if (clp1->cl_owner_id == NULL || clp2->cl_owner_id == NULL)
+ return true;
+ return strcmp(clp1->cl_owner_id, clp2->cl_owner_id) == 0;
+}
+
/**
* nfs40_walk_client_list - Find server that recognizes a client ID
*
@@ -483,9 +492,6 @@ int nfs40_walk_client_list(struct nfs_client *new,
if (pos->rpc_ops != new->rpc_ops)
continue;
- if (pos->cl_proto != new->cl_proto)
- continue;
-
if (pos->cl_minorversion != new->cl_minorversion)
continue;
@@ -510,6 +516,9 @@ int nfs40_walk_client_list(struct nfs_client *new,
if (pos->cl_clientid != new->cl_clientid)
continue;
+ if (!nfs4_match_client_owner_id(pos, new))
+ continue;
+
atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
@@ -566,20 +575,14 @@ static bool nfs4_match_clientids(struct nfs_client *a, struct nfs_client *b)
}
/*
- * Returns true if the server owners match
+ * Returns true if the server major ids match
*/
static bool
-nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b)
+nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
{
struct nfs41_server_owner *o1 = a->cl_serverowner;
struct nfs41_server_owner *o2 = b->cl_serverowner;
- if (o1->minor_id != o2->minor_id) {
- dprintk("NFS: --> %s server owner minor IDs do not match\n",
- __func__);
- return false;
- }
-
if (o1->major_id_sz != o2->major_id_sz)
goto out_major_mismatch;
if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
@@ -621,9 +624,6 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (pos->rpc_ops != new->rpc_ops)
continue;
- if (pos->cl_proto != new->cl_proto)
- continue;
-
if (pos->cl_minorversion != new->cl_minorversion)
continue;
@@ -654,7 +654,19 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (!nfs4_match_clientids(pos, new))
continue;
- if (!nfs4_match_serverowners(pos, new))
+ /*
+ * Note that session trunking is just a special subcase of
+ * client id trunking. In either case, we want to fall back
+ * to using the existing nfs_client.
+ */
+ if (!nfs4_check_clientid_trunking(pos, new))
+ continue;
+
+ /* Unlike NFSv4.0, we know that NFSv4.1 always uses the
+ * uniform string, however someone might switch the
+ * uniquifier string on us.
+ */
+ if (!nfs4_match_client_owner_id(pos, new))
continue;
atomic_inc(&pos->cl_count);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e7f8d5ff2581..c347705b0161 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1117,8 +1117,6 @@ static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
return 0;
if ((delegation->type & fmode) != fmode)
return 0;
- if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
- return 0;
if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))
return 0;
nfs_mark_delegation_referenced(delegation);
@@ -4917,11 +4915,14 @@ static void nfs4_init_boot_verifier(const struct nfs_client *clp,
}
static unsigned int
-nfs4_init_nonuniform_client_string(const struct nfs_client *clp,
+nfs4_init_nonuniform_client_string(struct nfs_client *clp,
char *buf, size_t len)
{
unsigned int result;
+ if (clp->cl_owner_id != NULL)
+ return strlcpy(buf, clp->cl_owner_id, len);
+
rcu_read_lock();
result = scnprintf(buf, len, "Linux NFSv4.0 %s/%s %s",
clp->cl_ipaddr,
@@ -4930,24 +4931,32 @@ nfs4_init_nonuniform_client_string(const struct nfs_client *clp,
rpc_peeraddr2str(clp->cl_rpcclient,
RPC_DISPLAY_PROTO));
rcu_read_unlock();
+ clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
return result;
}
static unsigned int
-nfs4_init_uniform_client_string(const struct nfs_client *clp,
+nfs4_init_uniform_client_string(struct nfs_client *clp,
char *buf, size_t len)
{
const char *nodename = clp->cl_rpcclient->cl_nodename;
+ unsigned int result;
+
+ if (clp->cl_owner_id != NULL)
+ return strlcpy(buf, clp->cl_owner_id, len);
if (nfs4_client_id_uniquifier[0] != '\0')
- return scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
+ result = scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
clp->rpc_ops->version,
clp->cl_minorversion,
nfs4_client_id_uniquifier,
nodename);
- return scnprintf(buf, len, "Linux NFSv%u.%u %s",
+ else
+ result = scnprintf(buf, len, "Linux NFSv%u.%u %s",
clp->rpc_ops->version, clp->cl_minorversion,
nodename);
+ clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
+ return result;
}
/*
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 1e37fbb78f7a..ddea982355f3 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -74,6 +74,9 @@ struct nfs_client {
/* idmapper */
struct idmap * cl_idmap;
+ /* Client owner identifier */
+ const char * cl_owner_id;
+
/* Our own IP address, as a null-terminated string.
* This is used to generate the mv0 callback address.
*/
diff --git a/include/linux/phy/omap_control_phy.h b/include/linux/phy/omap_control_phy.h
index e9e6cfbfbb58..eb7d4a135a9e 100644
--- a/include/linux/phy/omap_control_phy.h
+++ b/include/linux/phy/omap_control_phy.h
@@ -66,7 +66,7 @@ enum omap_control_usb_mode {
#define OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF 0x0
#define OMAP_CTRL_PCIE_PCS_MASK 0xff
-#define OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT 0x8
+#define OMAP_CTRL_PCIE_PCS_DELAY_COUNT_SHIFT 16
#define OMAP_CTRL_USB2_PHY_PD BIT(28)
@@ -79,7 +79,7 @@ enum omap_control_usb_mode {
void omap_control_phy_power(struct device *dev, int on);
void omap_control_usb_set_mode(struct device *dev,
enum omap_control_usb_mode mode);
-void omap_control_pcie_pcs(struct device *dev, u8 id, u8 delay);
+void omap_control_pcie_pcs(struct device *dev, u8 delay);
#else
static inline void omap_control_phy_power(struct device *dev, int on)
@@ -91,7 +91,7 @@ static inline void omap_control_usb_set_mode(struct device *dev,
{
}
-static inline void omap_control_pcie_pcs(struct device *dev, u8 id, u8 delay)
+static inline void omap_control_pcie_pcs(struct device *dev, u8 delay)
{
}
#endif
diff --git a/kernel/range.c b/kernel/range.c
index 322ea8e93e4b..82cfc285b046 100644
--- a/kernel/range.c
+++ b/kernel/range.c
@@ -113,12 +113,12 @@ static int cmp_range(const void *x1, const void *x2)
{
const struct range *r1 = x1;
const struct range *r2 = x2;
- s64 start1, start2;
- start1 = r1->start;
- start2 = r2->start;
-
- return start1 - start2;
+ if (r1->start < r2->start)
+ return -1;
+ if (r1->start > r2->start)
+ return 1;
+ return 0;
}
int clean_sort_range(struct range *range, int az)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 929a733d302e..224e768bdc73 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2497,12 +2497,14 @@ static void ftrace_run_update_code(int command)
}
static void ftrace_run_modify_code(struct ftrace_ops *ops, int command,
- struct ftrace_hash *old_hash)
+ struct ftrace_ops_hash *old_hash)
{
ops->flags |= FTRACE_OPS_FL_MODIFYING;
- ops->old_hash.filter_hash = old_hash;
+ ops->old_hash.filter_hash = old_hash->filter_hash;
+ ops->old_hash.notrace_hash = old_hash->notrace_hash;
ftrace_run_update_code(command);
ops->old_hash.filter_hash = NULL;
+ ops->old_hash.notrace_hash = NULL;
ops->flags &= ~FTRACE_OPS_FL_MODIFYING;
}
@@ -3579,7 +3581,7 @@ static struct ftrace_ops trace_probe_ops __read_mostly =
static int ftrace_probe_registered;
-static void __enable_ftrace_function_probe(struct ftrace_hash *old_hash)
+static void __enable_ftrace_function_probe(struct ftrace_ops_hash *old_hash)
{
int ret;
int i;
@@ -3637,6 +3639,7 @@ int
register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
void *data)
{
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_func_probe *entry;
struct ftrace_hash **orig_hash = &trace_probe_ops.func_hash->filter_hash;
struct ftrace_hash *old_hash = *orig_hash;
@@ -3658,6 +3661,10 @@ register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
mutex_lock(&trace_probe_ops.func_hash->regex_lock);
+ old_hash_ops.filter_hash = old_hash;
+ /* Probes only have filters */
+ old_hash_ops.notrace_hash = NULL;
+
hash = alloc_and_copy_ftrace_hash(FTRACE_HASH_DEFAULT_BITS, old_hash);
if (!hash) {
count = -ENOMEM;
@@ -3718,7 +3725,7 @@ register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
ret = ftrace_hash_move(&trace_probe_ops, 1, orig_hash, hash);
- __enable_ftrace_function_probe(old_hash);
+ __enable_ftrace_function_probe(&old_hash_ops);
if (!ret)
free_ftrace_hash_rcu(old_hash);
@@ -4006,10 +4013,34 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove)
}
static void ftrace_ops_update_code(struct ftrace_ops *ops,
- struct ftrace_hash *old_hash)
+ struct ftrace_ops_hash *old_hash)
{
- if (ops->flags & FTRACE_OPS_FL_ENABLED && ftrace_enabled)
+ struct ftrace_ops *op;
+
+ if (!ftrace_enabled)
+ return;
+
+ if (ops->flags & FTRACE_OPS_FL_ENABLED) {
ftrace_run_modify_code(ops, FTRACE_UPDATE_CALLS, old_hash);
+ return;
+ }
+
+ /*
+ * If this is the shared global_ops filter, then we need to
+ * check if there is another ops that shares it, is enabled.
+ * If so, we still need to run the modify code.
+ */
+ if (ops->func_hash != &global_ops.local_hash)
+ return;
+
+ do_for_each_ftrace_op(op, ftrace_ops_list) {
+ if (op->func_hash == &global_ops.local_hash &&
+ op->flags & FTRACE_OPS_FL_ENABLED) {
+ ftrace_run_modify_code(op, FTRACE_UPDATE_CALLS, old_hash);
+ /* Only need to do this once */
+ return;
+ }
+ } while_for_each_ftrace_op(op);
}
static int
@@ -4017,6 +4048,7 @@ ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
unsigned long ip, int remove, int reset, int enable)
{
struct ftrace_hash **orig_hash;
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_hash *old_hash;
struct ftrace_hash *hash;
int ret;
@@ -4053,9 +4085,11 @@ ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
mutex_lock(&ftrace_lock);
old_hash = *orig_hash;
+ old_hash_ops.filter_hash = ops->func_hash->filter_hash;
+ old_hash_ops.notrace_hash = ops->func_hash->notrace_hash;
ret = ftrace_hash_move(ops, enable, orig_hash, hash);
if (!ret) {
- ftrace_ops_update_code(ops, old_hash);
+ ftrace_ops_update_code(ops, &old_hash_ops);
free_ftrace_hash_rcu(old_hash);
}
mutex_unlock(&ftrace_lock);
@@ -4267,6 +4301,7 @@ static void __init set_ftrace_early_filters(void)
int ftrace_regex_release(struct inode *inode, struct file *file)
{
struct seq_file *m = (struct seq_file *)file->private_data;
+ struct ftrace_ops_hash old_hash_ops;
struct ftrace_iterator *iter;
struct ftrace_hash **orig_hash;
struct ftrace_hash *old_hash;
@@ -4300,10 +4335,12 @@ int ftrace_regex_release(struct inode *inode, struct file *file)
mutex_lock(&ftrace_lock);
old_hash = *orig_hash;
+ old_hash_ops.filter_hash = iter->ops->func_hash->filter_hash;
+ old_hash_ops.notrace_hash = iter->ops->func_hash->notrace_hash;
ret = ftrace_hash_move(iter->ops, filter_hash,
orig_hash, iter->hash);
if (!ret) {
- ftrace_ops_update_code(iter->ops, old_hash);
+ ftrace_ops_update_code(iter->ops, &old_hash_ops);
free_ftrace_hash_rcu(old_hash);
}
mutex_unlock(&ftrace_lock);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2e767972e99c..4a9079b9f082 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6918,7 +6918,6 @@ void __init trace_init(void)
tracepoint_printk = 0;
}
tracer_alloc_buffers();
- init_ftrace_syscalls();
trace_event_init();
}
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 366a78a3e61e..b03a0ea77b99 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2429,12 +2429,39 @@ static __init int event_trace_memsetup(void)
return 0;
}
+static __init void
+early_enable_events(struct trace_array *tr, bool disable_first)
+{
+ char *buf = bootup_event_buf;
+ char *token;
+ int ret;
+
+ while (true) {
+ token = strsep(&buf, ",");
+
+ if (!token)
+ break;
+ if (!*token)
+ continue;
+
+ /* Restarting syscalls requires that we stop them first */
+ if (disable_first)
+ ftrace_set_clr_event(tr, token, 0);
+
+ ret = ftrace_set_clr_event(tr, token, 1);
+ if (ret)
+ pr_warn("Failed to enable trace event: %s\n", token);
+
+ /* Put back the comma to allow this to be called again */
+ if (buf)
+ *(buf - 1) = ',';
+ }
+}
+
static __init int event_trace_enable(void)
{
struct trace_array *tr = top_trace_array();
struct ftrace_event_call **iter, *call;
- char *buf = bootup_event_buf;
- char *token;
int ret;
if (!tr)
@@ -2456,18 +2483,7 @@ static __init int event_trace_enable(void)
*/
__trace_early_add_events(tr);
- while (true) {
- token = strsep(&buf, ",");
-
- if (!token)
- break;
- if (!*token)
- continue;
-
- ret = ftrace_set_clr_event(tr, token, 1);
- if (ret)
- pr_warn("Failed to enable trace event: %s\n", token);
- }
+ early_enable_events(tr, false);
trace_printk_start_comm();
@@ -2478,6 +2494,31 @@ static __init int event_trace_enable(void)
return 0;
}
+/*
+ * event_trace_enable() is called from trace_event_init() first to
+ * initialize events and perhaps start any events that are on the
+ * command line. Unfortunately, there are some events that will not
+ * start this early, like the system call tracepoints that need
+ * to set the TIF_SYSCALL_TRACEPOINT flag of pid 1. But event_trace_enable()
+ * is called before pid 1 starts, and this flag is never set, making
+ * the syscall tracepoint never get reached, but the event is enabled
+ * regardless (and not doing anything).
+ */
+static __init int event_trace_enable_again(void)
+{
+ struct trace_array *tr;
+
+ tr = top_trace_array();
+ if (!tr)
+ return -ENODEV;
+
+ early_enable_events(tr, true);
+
+ return 0;
+}
+
+early_initcall(event_trace_enable_again);
+
static __init int event_trace_init(void)
{
struct trace_array *tr;