Re: Linux 3.2.38

From: Ben Hutchings
Date: Wed Feb 06 2013 - 09:35:20 EST

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diff --git a/Makefile b/Makefile
index 21c77e2..c8c9d02 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 2
-SUBLEVEL = 37
+SUBLEVEL = 38
EXTRAVERSION =
NAME = Saber-toothed Squirrel

diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 08c82fd..3606e85 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -221,6 +221,7 @@ __create_page_tables:
/*
* Then map boot params address in r2 or
* the first 1MB of ram if boot params address is not specified.
+ * We map 2 sections in case the ATAGs/DTB crosses a section boundary.
*/
mov r0, r2, lsr #SECTION_SHIFT
movs r0, r0, lsl #SECTION_SHIFT
@@ -229,6 +230,8 @@ __create_page_tables:
add r3, r3, #PAGE_OFFSET
add r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
orr r6, r7, r0
+ str r6, [r3], #1 << PMD_ORDER
+ add r6, r6, #1 << SECTION_SHIFT
str r6, [r3]

#ifdef CONFIG_DEBUG_LL
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
index ec0f0b0..18c083e 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
@@ -460,6 +460,9 @@
GPIO76_LCD_PCLK, \
GPIO77_LCD_BIAS

+/* these enable a work-around for a hw bug in pxa27x during ac97 warm reset */
+#define GPIO113_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO113, AF0, DEFAULT)
+#define GPIO95_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO95, AF0, DEFAULT)

extern int keypad_set_wake(unsigned int on);
#endif /* __ASM_ARCH_MFP_PXA27X_H */
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index bc5a98e..a9447f9 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -47,9 +47,9 @@ void pxa27x_clear_otgph(void)
EXPORT_SYMBOL(pxa27x_clear_otgph);

static unsigned long ac97_reset_config[] = {
- GPIO113_GPIO,
+ GPIO113_AC97_nRESET_GPIO_HIGH,
GPIO113_AC97_nRESET,
- GPIO95_GPIO,
+ GPIO95_AC97_nRESET_GPIO_HIGH,
GPIO95_AC97_nRESET,
};

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1aa664a..e1dd92c 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -500,25 +500,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
size_t size, enum dma_data_direction dir,
void (*op)(const void *, size_t, int))
{
+ unsigned long pfn;
+ size_t left = size;
+
+ pfn = page_to_pfn(page) + offset / PAGE_SIZE;
+ offset %= PAGE_SIZE;
+
/*
* A single sg entry may refer to multiple physically contiguous
* pages. But we still need to process highmem pages individually.
* If highmem is not configured then the bulk of this loop gets
* optimized out.
*/
- size_t left = size;
do {
size_t len = left;
void *vaddr;

+ page = pfn_to_page(pfn);
+
if (PageHighMem(page)) {
- if (len + offset > PAGE_SIZE) {
- if (offset >= PAGE_SIZE) {
- page += offset / PAGE_SIZE;
- offset %= PAGE_SIZE;
- }
+ if (len + offset > PAGE_SIZE)
len = PAGE_SIZE - offset;
- }
vaddr = kmap_high_get(page);
if (vaddr) {
vaddr += offset;
@@ -535,7 +537,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
op(vaddr, len, dir);
}
offset = 0;
- page++;
+ pfn++;
left -= len;
} while (left);
}
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index cc926c9..323ce1a 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -22,7 +22,7 @@
@ IRQs disabled.
@
ENTRY(do_vfp)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
add r11, r4, #1 @ increment it
str r11, [r10, #TI_PREEMPT]
@@ -35,7 +35,7 @@ ENTRY(do_vfp)
ENDPROC(do_vfp)

ENTRY(vfp_null_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
@@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry)

__INIT
ENTRY(vfp_testing_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index 3a0efaa..6ff903e 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -167,7 +167,7 @@ vfp_hw_state_valid:
@ else it's one 32-bit instruction, so
@ always subtract 4 from the following
@ instruction address.
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
@@ -191,7 +191,7 @@ look_for_VFP_exceptions:
@ not recognised by VFP

DBGSTR "not VFP"
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 141dce3..2a73d82 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -35,6 +35,7 @@
#define OP_TRAP_64 2

#define OP_31_XOP_LWZX 23
+#define OP_31_XOP_DCBF 86
#define OP_31_XOP_LBZX 87
#define OP_31_XOP_STWX 151
#define OP_31_XOP_STBX 215
@@ -370,6 +371,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS);
break;

+ case OP_31_XOP_DCBF:
case OP_31_XOP_DCBI:
/* Do nothing. The guest is performing dcbi because
* hardware DMA is not snooped by the dcache, but
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index c447a27..945b7cd 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -137,4 +137,32 @@ static inline unsigned long long get_clock_monotonic(void)
return get_clock_xt() - sched_clock_base_cc;
}

+/**
+ * tod_to_ns - convert a TOD format value to nanoseconds
+ * @todval: to be converted TOD format value
+ * Returns: number of nanoseconds that correspond to the TOD format value
+ *
+ * Converting a 64 Bit TOD format value to nanoseconds means that the value
+ * must be divided by 4.096. In order to achieve that we multiply with 125
+ * and divide by 512:
+ *
+ * ns = (todval * 125) >> 9;
+ *
+ * In order to avoid an overflow with the multiplication we can rewrite this.
+ * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits)
+ * we end up with
+ *
+ * ns = ((2^32 * th + tl) * 125 ) >> 9;
+ * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9);
+ *
+ */
+static inline unsigned long long tod_to_ns(unsigned long long todval)
+{
+ unsigned long long ns;
+
+ ns = ((todval >> 32) << 23) * 125;
+ ns += ((todval & 0xffffffff) * 125) >> 9;
+ return ns;
+}
+
#endif
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index e03c555..8644366 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -64,7 +64,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
*/
unsigned long long notrace __kprobes sched_clock(void)
{
- return (get_clock_monotonic() * 125) >> 9;
+ return tod_to_ns(get_clock_monotonic());
}

/*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 278ee00..5482d1e 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -391,7 +391,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
return 0;
}

- sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9;
+ sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now);

hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime);
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index f38112b..978b7fd 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -202,9 +202,9 @@ extern void __kernel_vsyscall;
if (vdso_enabled) \
NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
else \
- NEW_AUX_ENT(AT_IGNORE, 0);
+ NEW_AUX_ENT(AT_IGNORE, 0)
#else
-#define VSYSCALL_AUX_ENT
+#define VSYSCALL_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0)
#endif /* CONFIG_VSYSCALL */

#ifdef CONFIG_SH_FPU
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 7093e4a..035cd81 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -90,6 +90,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
#endif /* CONFIG_X86_32 */

extern int add_efi_memmap;
+extern unsigned long x86_efi_facility;
extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
extern void efi_memblock_x86_reserve_range(void);
extern void efi_call_phys_prelog(void);
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 0012d09..88eae2a 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -89,4 +89,29 @@ asmlinkage void smp_thermal_interrupt(void);
asmlinkage void mce_threshold_interrupt(void);
#endif

+/* Interrupts/Exceptions */
+enum {
+ X86_TRAP_DE = 0, /* 0, Divide-by-zero */
+ X86_TRAP_DB, /* 1, Debug */
+ X86_TRAP_NMI, /* 2, Non-maskable Interrupt */
+ X86_TRAP_BP, /* 3, Breakpoint */
+ X86_TRAP_OF, /* 4, Overflow */
+ X86_TRAP_BR, /* 5, Bound Range Exceeded */
+ X86_TRAP_UD, /* 6, Invalid Opcode */
+ X86_TRAP_NM, /* 7, Device Not Available */
+ X86_TRAP_DF, /* 8, Double Fault */
+ X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */
+ X86_TRAP_TS, /* 10, Invalid TSS */
+ X86_TRAP_NP, /* 11, Segment Not Present */
+ X86_TRAP_SS, /* 12, Stack Segment Fault */
+ X86_TRAP_GP, /* 13, General Protection Fault */
+ X86_TRAP_PF, /* 14, Page Fault */
+ X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */
+ X86_TRAP_MF, /* 16, x87 Floating-Point Exception */
+ X86_TRAP_AC, /* 17, Alignment Check */
+ X86_TRAP_MC, /* 18, Machine Check */
+ X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */
+ X86_TRAP_IRET = 32, /* 32, IRET Exception */
+};
+
#endif /* _ASM_X86_TRAPS_H */
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 4893d58..d2d488b8 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1074,7 +1074,6 @@ ENTRY(xen_failsafe_callback)
lea 16(%esp),%esp
CFI_ADJUST_CFA_OFFSET -16
jz 5f
- addl $16,%esp
jmp iret_exc
5: pushl_cfi $-1 /* orig_ax = -1 => not a system call */
SAVE_ALL
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index b3300e6..e328f69 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -61,7 +61,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
outb(0, 0xF0);
if (ignore_fpu_irq || !boot_cpu_data.hard_math)
return IRQ_NONE;
- math_error(get_irq_regs(), 0, 16);
+ math_error(get_irq_regs(), 0, X86_TRAP_MF);
return IRQ_HANDLED;
}

diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 12fcbe2..f7d1a64 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -175,6 +175,9 @@ static int msr_open(struct inode *inode, struct file *file)
unsigned int cpu;
struct cpuinfo_x86 *c;

+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
cpu = iminor(file->f_path.dentry->d_inode);
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
return -ENXIO; /* No such CPU */
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index e61f79c..47f4e5f 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -603,7 +603,7 @@ static void native_machine_emergency_restart(void)
break;

case BOOT_EFI:
- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
efi.reset_system(reboot_mode ?
EFI_RESET_WARM :
EFI_RESET_COLD,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 0d403aa..b506f41 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -631,6 +631,83 @@ static __init void reserve_ibft_region(void)

static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;

+static bool __init snb_gfx_workaround_needed(void)
+{
+#ifdef CONFIG_PCI
+ int i;
+ u16 vendor, devid;
+ static const __initconst u16 snb_ids[] = {
+ 0x0102,
+ 0x0112,
+ 0x0122,
+ 0x0106,
+ 0x0116,
+ 0x0126,
+ 0x010a,
+ };
+
+ /* Assume no if something weird is going on with PCI */
+ if (!early_pci_allowed())
+ return false;
+
+ vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID);
+ if (vendor != 0x8086)
+ return false;
+
+ devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID);
+ for (i = 0; i < ARRAY_SIZE(snb_ids); i++)
+ if (devid == snb_ids[i])
+ return true;
+#endif
+
+ return false;
+}
+
+/*
+ * Sandy Bridge graphics has trouble with certain ranges, exclude
+ * them from allocation.
+ */
+static void __init trim_snb_memory(void)
+{
+ static const __initconst unsigned long bad_pages[] = {
+ 0x20050000,
+ 0x20110000,
+ 0x20130000,
+ 0x20138000,
+ 0x40004000,
+ };
+ int i;
+
+ if (!snb_gfx_workaround_needed())
+ return;
+
+ printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n");
+
+ /*
+ * Reserve all memory below the 1 MB mark that has not
+ * already been reserved.
+ */
+ memblock_reserve(0, 1<<20);
+
+ for (i = 0; i < ARRAY_SIZE(bad_pages); i++) {
+ if (memblock_reserve(bad_pages[i], PAGE_SIZE))
+ printk(KERN_WARNING "failed to reserve 0x%08lx\n",
+ bad_pages[i]);
+ }
+}
+
+/*
+ * Here we put platform-specific memory range workarounds, i.e.
+ * memory known to be corrupt or otherwise in need to be reserved on
+ * specific platforms.
+ *
+ * If this gets used more widely it could use a real dispatch mechanism.
+ */
+static void __init trim_platform_memory_ranges(void)
+{
+ trim_snb_memory();
+}
+
static void __init trim_bios_range(void)
{
/*
@@ -651,6 +728,7 @@ static void __init trim_bios_range(void)
* take them out.
*/
e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
+
sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
}

@@ -750,15 +828,16 @@ void __init setup_arch(char **cmdline_p)
#endif
#ifdef CONFIG_EFI
if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
-#ifdef CONFIG_X86_32
- "EL32",
-#else
- "EL64",
-#endif
- 4)) {
- efi_enabled = 1;
- efi_memblock_x86_reserve_range();
+ "EL32", 4)) {
+ set_bit(EFI_BOOT, &x86_efi_facility);
+ } else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
+ "EL64", 4)) {
+ set_bit(EFI_BOOT, &x86_efi_facility);
+ set_bit(EFI_64BIT, &x86_efi_facility);
}
+
+ if (efi_enabled(EFI_BOOT))
+ efi_memblock_x86_reserve_range();
#endif

x86_init.oem.arch_setup();
@@ -831,7 +910,7 @@ void __init setup_arch(char **cmdline_p)

finish_e820_parsing();

- if (efi_enabled)
+ if (efi_enabled(EFI_BOOT))
efi_init();

dmi_scan_machine();
@@ -914,7 +993,7 @@ void __init setup_arch(char **cmdline_p)
* The EFI specification says that boot service code won't be called
* after ExitBootServices(). This is, in fact, a lie.
*/
- if (efi_enabled)
+ if (efi_enabled(EFI_MEMMAP))
efi_reserve_boot_services();

/* preallocate 4k for mptable mpc */
@@ -929,6 +1008,8 @@ void __init setup_arch(char **cmdline_p)

setup_trampolines();

+ trim_platform_memory_ranges();
+
init_gbpages();

/* max_pfn_mapped is updated here */
@@ -1048,7 +1129,7 @@ void __init setup_arch(char **cmdline_p)

#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+ if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
conswitchp = &vga_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 31d9d0f..e6fbb94 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -119,7 +119,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
* traps 0, 1, 3, 4, and 5 should be forwarded to vm86.
* On nmi (interrupt 2), do_trap should not be called.
*/
- if (trapnr < 6)
+ if (trapnr < X86_TRAP_UD)
goto vm86_trap;
goto trap_signal;
}
@@ -203,27 +203,31 @@ dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \
do_trap(trapnr, signr, str, regs, error_code, &info); \
}

-DO_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
-DO_ERROR(4, SIGSEGV, "overflow", overflow)
-DO_ERROR(5, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip)
-DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
-DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
-DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
+DO_ERROR_INFO(X86_TRAP_DE, SIGFPE, "divide error", divide_error, FPE_INTDIV,
+ regs->ip)
+DO_ERROR(X86_TRAP_OF, SIGSEGV, "overflow", overflow)
+DO_ERROR(X86_TRAP_BR, SIGSEGV, "bounds", bounds)
+DO_ERROR_INFO(X86_TRAP_UD, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN,
+ regs->ip)
+DO_ERROR(X86_TRAP_OLD_MF, SIGFPE, "coprocessor segment overrun",
+ coprocessor_segment_overrun)
+DO_ERROR(X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS)
+DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present)
#ifdef CONFIG_X86_32
-DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
+DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment)
#endif
-DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
+DO_ERROR_INFO(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check,
+ BUS_ADRALN, 0)

#ifdef CONFIG_X86_64
/* Runs on IST stack */
dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
{
if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
- 12, SIGBUS) == NOTIFY_STOP)
+ X86_TRAP_SS, SIGBUS) == NOTIFY_STOP)
return;
preempt_conditional_sti(regs);
- do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL);
+ do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
preempt_conditional_cli(regs);
}

@@ -233,10 +237,10 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
struct task_struct *tsk = current;

/* Return not checked because double check cannot be ignored */
- notify_die(DIE_TRAP, str, regs, error_code, 8, SIGSEGV);
+ notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);

tsk->thread.error_code = error_code;
- tsk->thread.trap_no = 8;
+ tsk->thread.trap_no = X86_TRAP_DF;

/*
* This is always a kernel trap and never fixable (and thus must
@@ -264,7 +268,7 @@ do_general_protection(struct pt_regs *regs, long error_code)
goto gp_in_kernel;

tsk->thread.error_code = error_code;
- tsk->thread.trap_no = 13;
+ tsk->thread.trap_no = X86_TRAP_GP;

if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
printk_ratelimit()) {
@@ -291,9 +295,9 @@ gp_in_kernel:
return;

tsk->thread.error_code = error_code;
- tsk->thread.trap_no = 13;
- if (notify_die(DIE_GPF, "general protection fault", regs,
- error_code, 13, SIGSEGV) == NOTIFY_STOP)
+ tsk->thread.trap_no = X86_TRAP_GP;
+ if (notify_die(DIE_GPF, "general protection fault", regs, error_code,
+ X86_TRAP_GP, SIGSEGV) == NOTIFY_STOP)
return;
die("general protection fault", regs, error_code);
}
@@ -302,13 +306,14 @@ gp_in_kernel:
dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
{
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
- if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
- == NOTIFY_STOP)
+ if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
+ SIGTRAP) == NOTIFY_STOP)
return;
#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
#ifdef CONFIG_KPROBES
- if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
- == NOTIFY_STOP)
+
+ if (notify_die(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
+ SIGTRAP) == NOTIFY_STOP)
return;
#else
if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP)
@@ -317,7 +322,7 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
#endif

preempt_conditional_sti(regs);
- do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
+ do_trap(X86_TRAP_BP, SIGTRAP, "int3", regs, error_code, NULL);
preempt_conditional_cli(regs);
}

@@ -415,8 +420,8 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
preempt_conditional_sti(regs);

if (regs->flags & X86_VM_MASK) {
- handle_vm86_trap((struct kernel_vm86_regs *) regs,
- error_code, 1);
+ handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code,
+ X86_TRAP_DB);
preempt_conditional_cli(regs);
return;
}
@@ -451,7 +456,8 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
struct task_struct *task = current;
siginfo_t info;
unsigned short err;
- char *str = (trapnr == 16) ? "fpu exception" : "simd exception";
+ char *str = (trapnr == X86_TRAP_MF) ? "fpu exception" :
+ "simd exception";

if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, SIGFPE) == NOTIFY_STOP)
return;
@@ -476,7 +482,7 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *)regs->ip;
- if (trapnr == 16) {
+ if (trapnr == X86_TRAP_MF) {
unsigned short cwd, swd;
/*
* (~cwd & swd) will mask out exceptions that are not set to unmasked
@@ -520,10 +526,11 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr)
info.si_code = FPE_FLTRES;
} else {
/*
- * If we're using IRQ 13, or supposedly even some trap 16
- * implementations, it's possible we get a spurious trap...
+ * If we're using IRQ 13, or supposedly even some trap
+ * X86_TRAP_MF implementations, it's possible
+ * we get a spurious trap, which is not an error.
*/
- return; /* Spurious trap, no error */
+ return;
}
force_sig_info(SIGFPE, &info, task);
}
@@ -534,13 +541,13 @@ dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
ignore_fpu_irq = 1;
#endif

- math_error(regs, error_code, 16);
+ math_error(regs, error_code, X86_TRAP_MF);
}

dotraplinkage void
do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
{
- math_error(regs, error_code, 19);
+ math_error(regs, error_code, X86_TRAP_XF);
}

dotraplinkage void
@@ -658,20 +665,21 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
info.si_errno = 0;
info.si_code = ILL_BADSTK;
info.si_addr = NULL;
- if (notify_die(DIE_TRAP, "iret exception",
- regs, error_code, 32, SIGILL) == NOTIFY_STOP)
+ if (notify_die(DIE_TRAP, "iret exception", regs, error_code,
+ X86_TRAP_IRET, SIGILL) == NOTIFY_STOP)
return;
- do_trap(32, SIGILL, "iret exception", regs, error_code, &info);
+ do_trap(X86_TRAP_IRET, SIGILL, "iret exception", regs, error_code,
+ &info);
}
#endif

/* Set of traps needed for early debugging. */
void __init early_trap_init(void)
{
- set_intr_gate_ist(1, &debug, DEBUG_STACK);
+ set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK);
/* int3 can be called from all */
- set_system_intr_gate_ist(3, &int3, DEBUG_STACK);
- set_intr_gate(14, &page_fault);
+ set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK);
+ set_intr_gate(X86_TRAP_PF, &page_fault);
load_idt(&idt_descr);
}

@@ -687,30 +695,30 @@ void __init trap_init(void)
early_iounmap(p, 4);
#endif

- set_intr_gate(0, &divide_error);
- set_intr_gate_ist(2, &nmi, NMI_STACK);
+ set_intr_gate(X86_TRAP_DE, &divide_error);
+ set_intr_gate_ist(X86_TRAP_NMI, &nmi, NMI_STACK);
/* int4 can be called from all */
- set_system_intr_gate(4, &overflow);
- set_intr_gate(5, &bounds);
- set_intr_gate(6, &invalid_op);
- set_intr_gate(7, &device_not_available);
+ set_system_intr_gate(X86_TRAP_OF, &overflow);
+ set_intr_gate(X86_TRAP_BR, &bounds);
+ set_intr_gate(X86_TRAP_UD, &invalid_op);
+ set_intr_gate(X86_TRAP_NM, &device_not_available);
#ifdef CONFIG_X86_32
- set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
+ set_task_gate(X86_TRAP_DF, GDT_ENTRY_DOUBLEFAULT_TSS);
#else
- set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK);
+ set_intr_gate_ist(X86_TRAP_DF, &double_fault, DOUBLEFAULT_STACK);
#endif
- set_intr_gate(9, &coprocessor_segment_overrun);
- set_intr_gate(10, &invalid_TSS);
- set_intr_gate(11, &segment_not_present);
- set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK);
- set_intr_gate(13, &general_protection);
- set_intr_gate(15, &spurious_interrupt_bug);
- set_intr_gate(16, &coprocessor_error);
- set_intr_gate(17, &alignment_check);
+ set_intr_gate(X86_TRAP_OLD_MF, &coprocessor_segment_overrun);
+ set_intr_gate(X86_TRAP_TS, &invalid_TSS);
+ set_intr_gate(X86_TRAP_NP, &segment_not_present);
+ set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
+ set_intr_gate(X86_TRAP_GP, &general_protection);
+ set_intr_gate(X86_TRAP_SPURIOUS, &spurious_interrupt_bug);
+ set_intr_gate(X86_TRAP_MF, &coprocessor_error);
+ set_intr_gate(X86_TRAP_AC, &alignment_check);
#ifdef CONFIG_X86_MCE
- set_intr_gate_ist(18, &machine_check, MCE_STACK);
+ set_intr_gate_ist(X86_TRAP_MC, &machine_check, MCE_STACK);
#endif
- set_intr_gate(19, &simd_coprocessor_error);
+ set_intr_gate(X86_TRAP_XF, &simd_coprocessor_error);

/* Reserve all the builtin and the syscall vector: */
for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++)
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 4d320b2..bef9991 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -49,9 +49,6 @@
#define EFI_DEBUG 1
#define PFX "EFI: "

-int efi_enabled;
-EXPORT_SYMBOL(efi_enabled);
-
struct efi __read_mostly efi = {
.mps = EFI_INVALID_TABLE_ADDR,
.acpi = EFI_INVALID_TABLE_ADDR,
@@ -70,9 +67,25 @@ struct efi_memory_map memmap;
static struct efi efi_phys __initdata;
static efi_system_table_t efi_systab __initdata;

+static inline bool efi_is_native(void)
+{
+ return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
+}
+
+unsigned long x86_efi_facility;
+
+/*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+int efi_enabled(int facility)
+{
+ return test_bit(facility, &x86_efi_facility) != 0;
+}
+EXPORT_SYMBOL(efi_enabled);
+
static int __init setup_noefi(char *arg)
{
- efi_enabled = 0;
+ clear_bit(EFI_BOOT, &x86_efi_facility);
return 0;
}
early_param("noefi", setup_noefi);
@@ -440,6 +453,9 @@ void __init efi_init(void)
int i = 0;
void *tmp;

+ if (!efi_is_native())
+ return;
+
#ifdef CONFIG_X86_32
efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
#else
@@ -467,6 +483,8 @@ void __init efi_init(void)
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff);

+ set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
+
/*
* Show what we know for posterity
*/
@@ -529,6 +547,8 @@ void __init efi_init(void)
early_iounmap(config_tables,
efi.systab->nr_tables * sizeof(efi_config_table_t));

+ set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
+
/*
* Check out the runtime services table. We need to map
* the runtime services table so that we can grab the physical
@@ -552,6 +572,8 @@ void __init efi_init(void)
* virtual mode.
*/
efi.get_time = phys_efi_get_time;
+
+ set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
} else
printk(KERN_ERR "Could not map the EFI runtime service "
"table!\n");
@@ -571,6 +593,8 @@ void __init efi_init(void)
if (add_efi_memmap)
do_add_efi_memmap();

+ set_bit(EFI_MEMMAP, &x86_efi_facility);
+
#ifdef CONFIG_X86_32
x86_platform.get_wallclock = efi_get_time;
x86_platform.set_wallclock = efi_set_rtc_mmss;
@@ -731,7 +755,7 @@ void __init efi_enter_virtual_mode(void)
*
* Call EFI services through wrapper functions.
*/
- efi.runtime_version = efi_systab.fw_revision;
+ efi.runtime_version = efi_systab.hdr.revision;
efi.get_time = virt_efi_get_time;
efi.set_time = virt_efi_set_time;
efi.get_wakeup_time = virt_efi_get_wakeup_time;
@@ -747,6 +771,7 @@ void __init efi_enter_virtual_mode(void)
efi.query_capsule_caps = virt_efi_query_capsule_caps;
if (__supported_pte_mask & _PAGE_NX)
runtime_code_page_mkexec();
+ clear_bit(EFI_MEMMAP, &x86_efi_facility);
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
memmap.map = NULL;
kfree(new_memmap);
@@ -760,6 +785,9 @@ u32 efi_mem_type(unsigned long phys_addr)
efi_memory_desc_t *md;
void *p;

+ if (!efi_enabled(EFI_MEMMAP))
+ return 0;
+
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
if ((md->phys_addr <= phys_addr) &&
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index ac3aa54..0fba86d 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -38,7 +38,7 @@
#include <asm/cacheflush.h>
#include <asm/fixmap.h>

-static pgd_t save_pgd __initdata;
+static pgd_t *save_pgd __initdata;
static unsigned long efi_flags __initdata;

static void __init early_code_mapping_set_exec(int executable)
@@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable)
void __init efi_call_phys_prelog(void)
{
unsigned long vaddress;
+ int pgd;
+ int n_pgds;

early_code_mapping_set_exec(1);
local_irq_save(efi_flags);
- vaddress = (unsigned long)__va(0x0UL);
- save_pgd = *pgd_offset_k(0x0UL);
- set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
+
+ n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
+ save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
+
+ for (pgd = 0; pgd < n_pgds; pgd++) {
+ save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
+ vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
+ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
+ }
__flush_tlb_all();
}

@@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void)
/*
* After the lock is released, the original page table is restored.
*/
- set_pgd(pgd_offset_k(0x0UL), save_pgd);
+ int pgd;
+ int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+ for (pgd = 0; pgd < n_pgds; pgd++)
+ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
+ kfree(save_pgd);
__flush_tlb_all();
local_irq_restore(efi_flags);
early_code_mapping_set_exec(0);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f31c5c5..a6664d2 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -255,7 +255,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
return acpi_rsdp;
#endif

- if (efi_enabled) {
+ if (efi_enabled(EFI_CONFIG_TABLES)) {
if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
return efi.acpi20;
else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 0e8e2de..de0791c 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -989,6 +989,9 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
return -EINVAL;
}

+ if (!dev)
+ return -EINVAL;
+
dev->cpu = pr->id;

if (max_cstate == 0)
@@ -1175,6 +1178,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
}

/* Populate Updated C-state information */
+ acpi_processor_get_power_info(pr);
acpi_processor_setup_cpuidle_states(pr);

/* Enable all cpuidle devices */
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 608257a..b07edc4 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -395,7 +395,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */

/* Asmedia */
- { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */

/* Generic, PCI class code for AHCI */
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 4a0f314..be984e0 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -37,6 +37,7 @@ static void _drbd_start_io_acct(struct drbd_conf *mdev, struct drbd_request *req
const int rw = bio_data_dir(bio);
int cpu;
cpu = part_stat_lock();
+ part_round_stats(cpu, &mdev->vdisk->part0);
part_stat_inc(cpu, &mdev->vdisk->part0, ios[rw]);
part_stat_add(cpu, &mdev->vdisk->part0, sectors[rw], bio_sectors(bio));
part_inc_in_flight(&mdev->vdisk->part0, rw);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index de9c800..166cb36 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -546,6 +546,7 @@ static void __devexit virtblk_remove(struct virtio_device *vdev)
{
struct virtio_blk *vblk = vdev->priv;
int index = vblk->index;
+ int refc;

/* Prevent config work handler from accessing the device. */
mutex_lock(&vblk->config_lock);
@@ -560,11 +561,15 @@ static void __devexit virtblk_remove(struct virtio_device *vdev)

flush_work(&vblk->config_work);

+ refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount);
put_disk(vblk->disk);
mempool_destroy(vblk->pool);
vdev->config->del_vqs(vdev);
kfree(vblk);
- ida_simple_remove(&vd_index_ida, index);
+
+ /* Only free device id if we don't have any users */
+ if (refc == 1)
+ ida_simple_remove(&vd_index_ida, index);
}

static const struct virtio_device_id id_table[] = {
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 2dbf32b..714560f 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -949,7 +949,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
goto free_resources;
}
}
- dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
+ dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);

/* skip validate if the capability is not present */
if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 495198a..8cc8676 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -257,7 +257,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
struct edac_pci_dev_attribute *edac_pci_dev;
edac_pci_dev = (struct edac_pci_dev_attribute *)attr;

- if (edac_pci_dev->show)
+ if (edac_pci_dev->store)
return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
return -EIO;
}
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index b298158..982f1f5 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -16,6 +16,7 @@
*/
static char dmi_empty_string[] = " ";

+static u16 __initdata dmi_ver;
/*
* Catch too early calls to dmi_check_system():
*/
@@ -118,12 +119,12 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
return 0;
}

-static int __init dmi_checksum(const u8 *buf)
+static int __init dmi_checksum(const u8 *buf, u8 len)
{
u8 sum = 0;
int a;

- for (a = 0; a < 15; a++)
+ for (a = 0; a < len; a++)
sum += buf[a];

return sum == 0;
@@ -161,8 +162,10 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
return;

for (i = 0; i < 16 && (is_ff || is_00); i++) {
- if(d[i] != 0x00) is_ff = 0;
- if(d[i] != 0xFF) is_00 = 0;
+ if (d[i] != 0x00)
+ is_00 = 0;
+ if (d[i] != 0xFF)
+ is_ff = 0;
}

if (is_ff || is_00)
@@ -172,7 +175,15 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
if (!s)
return;

- sprintf(s, "%pUB", d);
+ /*
+ * As of version 2.6 of the SMBIOS specification, the first 3 fields of
+ * the UUID are supposed to be little-endian encoded. The specification
+ * says that this is the defacto standard.
+ */
+ if (dmi_ver >= 0x0206)
+ sprintf(s, "%pUL", d);
+ else
+ sprintf(s, "%pUB", d);

dmi_ident[slot] = s;
}
@@ -404,35 +415,63 @@ static int __init dmi_present(const char __iomem *p)
u8 buf[15];

memcpy_fromio(buf, p, 15);
- if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
+ if (dmi_checksum(buf, 15)) {
dmi_num = (buf[13] << 8) | buf[12];
dmi_len = (buf[7] << 8) | buf[6];
dmi_base = (buf[11] << 24) | (buf[10] << 16) |
(buf[9] << 8) | buf[8];

- /*
- * DMI version 0.0 means that the real version is taken from
- * the SMBIOS version, which we don't know at this point.
- */
- if (buf[14] != 0)
- printk(KERN_INFO "DMI %d.%d present.\n",
- buf[14] >> 4, buf[14] & 0xF);
- else
- printk(KERN_INFO "DMI present.\n");
if (dmi_walk_early(dmi_decode) == 0) {
+ if (dmi_ver)
+ pr_info("SMBIOS %d.%d present.\n",
+ dmi_ver >> 8, dmi_ver & 0xFF);
+ else {
+ dmi_ver = (buf[14] & 0xF0) << 4 |
+ (buf[14] & 0x0F);
+ pr_info("Legacy DMI %d.%d present.\n",
+ dmi_ver >> 8, dmi_ver & 0xFF);
+ }
dmi_dump_ids();
return 0;
}
}
+ dmi_ver = 0;
return 1;
}

+static int __init smbios_present(const char __iomem *p)
+{
+ u8 buf[32];
+ int offset = 0;
+
+ memcpy_fromio(buf, p, 32);
+ if ((buf[5] < 32) && dmi_checksum(buf, buf[5])) {
+ dmi_ver = (buf[6] << 8) + buf[7];
+
+ /* Some BIOS report weird SMBIOS version, fix that up */
+ switch (dmi_ver) {
+ case 0x021F:
+ case 0x0221:
+ pr_debug("SMBIOS version fixup(2.%d->2.%d)\n",
+ dmi_ver & 0xFF, 3);
+ dmi_ver = 0x0203;
+ break;
+ case 0x0233:
+ pr_debug("SMBIOS version fixup(2.%d->2.%d)\n", 51, 6);
+ dmi_ver = 0x0206;
+ break;
+ }
+ offset = 16;
+ }
+ return dmi_present(buf + offset);
+}
+
void __init dmi_scan_machine(void)
{
char __iomem *p, *q;
int rc;

- if (efi_enabled) {
+ if (efi_enabled(EFI_CONFIG_TABLES)) {
if (efi.smbios == EFI_INVALID_TABLE_ADDR)
goto error;

@@ -444,7 +483,7 @@ void __init dmi_scan_machine(void)
if (p == NULL)
goto error;

- rc = dmi_present(p + 0x10); /* offset of _DMI_ string */
+ rc = smbios_present(p);
dmi_iounmap(p, 32);
if (!rc) {
dmi_available = 1;
@@ -462,7 +501,12 @@ void __init dmi_scan_machine(void)
goto error;

for (q = p; q < p + 0x10000; q += 16) {
- rc = dmi_present(q);
+ if (memcmp(q, "_SM_", 4) == 0 && q - p <= 0xFFE0)
+ rc = smbios_present(q);
+ else if (memcmp(q, "_DMI_", 5) == 0)
+ rc = dmi_present(q);
+ else
+ continue;
if (!rc) {
dmi_available = 1;
dmi_iounmap(p, 0x10000);
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 3e60e8d..5d5a868 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -1222,7 +1222,7 @@ efivars_init(void)
printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
EFIVARS_DATE);

- if (!efi_enabled)
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
return 0;

/* For now we'll register the efi directory at /sys/firmware/efi */
@@ -1260,7 +1260,7 @@ err_put:
static void __exit
efivars_exit(void)
{
- if (efi_enabled) {
+ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
unregister_efivars(&__efivars);
kobject_put(efi_kobj);
}
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index 4da4eb9..2224f1d 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep)
/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
* only use ACPI for this */

- if (!efi_enabled)
+ if (!efi_enabled(EFI_BOOT))
find_ibft_in_mem();

if (ibft_addr) {
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d00f905..10fe480 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <generated/utsrelease.h>
#include "drmP.h"
#include "drm.h"
#include "intel_drv.h"
@@ -755,6 +756,7 @@ static int i915_error_state(struct seq_file *m, void *unused)

seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
error->time.tv_usec);
+ seq_printf(m, "Kernel: " UTS_RELEASE);
seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
seq_printf(m, "EIR: 0x%08x\n", error->eir);
seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5950ba3..b0186b8 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3456,14 +3456,15 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
goto out;
}

- obj->user_pin_count++;
- obj->pin_filp = file;
- if (obj->user_pin_count == 1) {
+ if (obj->user_pin_count == 0) {
ret = i915_gem_object_pin(obj, args->alignment, true);
if (ret)
goto out;
}

+ obj->user_pin_count++;
+ obj->pin_filp = file;
+
/* XXX - flush the CPU caches for pinned objects
* as the X server doesn't manage domains yet
*/
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 1202198..878b989 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -657,6 +657,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
total = 0;
for (i = 0; i < count; i++) {
struct drm_i915_gem_relocation_entry __user *user_relocs;
+ u64 invalid_offset = (u64)-1;
+ int j;

user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr;

@@ -667,6 +669,25 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
goto err;
}

+ /* As we do not update the known relocation offsets after
+ * relocating (due to the complexities in lock handling),
+ * we need to mark them as invalid now so that we force the
+ * relocation processing next time. Just in case the target
+ * object is evicted and then rebound into its old
+ * presumed_offset before the next execbuffer - if that
+ * happened we would make the mistake of assuming that the
+ * relocations were valid.
+ */
+ for (j = 0; j < exec[i].relocation_count; j++) {
+ if (copy_to_user(&user_relocs[j].presumed_offset,
+ &invalid_offset,
+ sizeof(invalid_offset))) {
+ ret = -EFAULT;
+ mutex_lock(&dev->struct_mutex);
+ goto err;
+ }
+ }
+
reloc_offset[i] = total;
total += exec[i].relocation_count;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7a10f5f..124dd87 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -27,6 +27,8 @@

#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))

+#define _MASKED_BIT_ENABLE(a) (((a) << 16) | (a))
+
/*
* The Bridge device's PCI config space has information about the
* fb aperture size and the amount of pre-reserved memory.
@@ -389,6 +391,7 @@
* the enables for writing to the corresponding low bit.
*/
#define _3D_CHICKEN 0x02084
+#define _3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB (1 << 10)
#define _3D_CHICKEN2 0x0208c
/* Disables pipelining of read flushes past the SF-WIZ interface.
* Required on all Ironlake steppings according to the B-Spec, but the
@@ -399,7 +402,8 @@

#define MI_MODE 0x0209c
# define VS_TIMER_DISPATCH (1 << 6)
-# define MI_FLUSH_ENABLE (1 << 11)
+# define MI_FLUSH_ENABLE (1 << 12)
+# define ASYNC_FLIP_PERF_DISABLE (1 << 14)

#define GEN6_GT_MODE 0x20d0
#define GEN6_GT_MODE_HI (1 << 9)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index fa9639b..c05e825 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8279,6 +8279,10 @@ static void gen6_init_clock_gating(struct drm_device *dev)
I915_READ(ILK_DISPLAY_CHICKEN2) |
ILK_ELPIN_409_SELECT);

+ /* WaDisableHiZPlanesWhenMSAAEnabled */
+ I915_WRITE(_3D_CHICKEN,
+ _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
+
I915_WRITE(WM3_LP_ILK, 0);
I915_WRITE(WM2_LP_ILK, 0);
I915_WRITE(WM1_LP_ILK, 0);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index c6d0966..6601d21 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -774,14 +774,6 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
{
.callback = intel_no_lvds_dmi_callback,
- .ident = "ZOTAC ZBOXSD-ID12/ID13",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "ZOTAC"),
- DMI_MATCH(DMI_BOARD_NAME, "ZBOXSD-ID12/ID13"),
- },
- },
- {
- .callback = intel_no_lvds_dmi_callback,
.ident = "Gigabyte GA-D525TUD",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 19085c0..4fddd21 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -398,15 +398,26 @@ static int init_render_ring(struct intel_ring_buffer *ring)

if (INTEL_INFO(dev)->gen > 3) {
int mode = VS_TIMER_DISPATCH << 16 | VS_TIMER_DISPATCH;
- if (IS_GEN6(dev) || IS_GEN7(dev))
- mode |= MI_FLUSH_ENABLE << 16 | MI_FLUSH_ENABLE;
I915_WRITE(MI_MODE, mode);
- if (IS_GEN7(dev))
- I915_WRITE(GFX_MODE_GEN7,
- GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
- GFX_MODE_ENABLE(GFX_REPLAY_MODE));
}

+ /* We need to disable the AsyncFlip performance optimisations in order
+ * to use MI_WAIT_FOR_EVENT within the CS. It should already be
+ * programmed to '1' on all products.
+ */
+ if (INTEL_INFO(dev)->gen >= 6)
+ I915_WRITE(MI_MODE, GFX_MODE_ENABLE(ASYNC_FLIP_PERF_DISABLE));
+
+ /* Required for the hardware to program scanline values for waiting */
+ if (INTEL_INFO(dev)->gen == 6)
+ I915_WRITE(GFX_MODE,
+ GFX_MODE_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+
+ if (IS_GEN7(dev))
+ I915_WRITE(GFX_MODE_GEN7,
+ GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+ GFX_MODE_ENABLE(GFX_REPLAY_MODE));
+
if (INTEL_INFO(dev)->gen >= 5) {
ret = init_pipe_control(ring);
if (ret)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 29afd71..1f32557 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -168,6 +168,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
if (p->chunks[i].kpage[0] == NULL || p->chunks[i].kpage[1] == NULL) {
kfree(p->chunks[i].kpage[0]);
kfree(p->chunks[i].kpage[1]);
+ p->chunks[i].kpage[0] = NULL;
+ p->chunks[i].kpage[1] = NULL;
return -ENOMEM;
}
p->chunks[i].kpage_idx[0] = -1;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c5762e3..bd959c1 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -354,7 +354,8 @@ bool radeon_card_posted(struct radeon_device *rdev)
{
uint32_t reg;

- if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+ if (efi_enabled(EFI_BOOT) &&
+ rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
return false;

/* first check CRTCs */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 8165953..a906803 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -617,6 +617,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
enum drm_connector_status found = connector_status_disconnected;
bool color = true;

+ /* just don't bother on RN50 those chip are often connected to remoting
+ * console hw and often we get failure to load detect those. So to make
+ * everyone happy report the encoder as always connected.
+ */
+ if (ASIC_IS_RN50(rdev)) {
+ return connector_status_connected;
+ }
+
/* save the regs we need */
vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3f28290..4fa2b11 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -431,10 +431,8 @@ static int intel_idle_probe(void)

if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */
lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE;
- else {
+ else
on_each_cpu(__setup_broadcast_timer, (void *)true, 1);
- register_cpu_notifier(&setup_broadcast_notifier);
- }

pr_debug(PREFIX "v" INTEL_IDLE_VERSION
" model 0x%X\n", boot_cpu_data.x86_model);
@@ -597,6 +595,9 @@ static int __init intel_idle_init(void)
return retval;
}

+ if (lapic_timer_reliable_states != LAPIC_TIMER_ALWAYS_RELIABLE)
+ register_cpu_notifier(&setup_broadcast_notifier);
+
return 0;
}

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index ef2d493..62a4d5c 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -916,6 +916,38 @@ static void __init free_iommu_all(void)
}

/*
+ * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations)
+ * Workaround:
+ * BIOS should disable L2B micellaneous clock gating by setting
+ * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
+ */
+static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+{
+ u32 value;
+
+ if ((boot_cpu_data.x86 != 0x15) ||
+ (boot_cpu_data.x86_model < 0x10) ||
+ (boot_cpu_data.x86_model > 0x1f))
+ return;
+
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+ pci_read_config_dword(iommu->dev, 0xf4, &value);
+
+ if (value & BIT(2))
+ return;
+
+ /* Select NB indirect register 0x90 and enable writing */
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));
+
+ pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);
+ pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n",
+ dev_name(&iommu->dev->dev));
+
+ /* Clear the enable writing bit */
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+}
+
+/*
* This function clues the initialization function for one IOMMU
* together and also allocates the command buffer and programs the
* hardware. It does NOT enable the IOMMU. This is done afterwards.
@@ -970,6 +1002,8 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h)
if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE))
amd_iommu_np_cache = true;

+ amd_iommu_erratum_746_workaround(iommu);
+
return pci_enable_device(iommu->dev);
}

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 9a6cc92..dffdca8 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2302,8 +2302,39 @@ static int domain_add_dev_info(struct dmar_domain *domain,
return 0;
}

+static bool device_has_rmrr(struct pci_dev *dev)
+{
+ struct dmar_rmrr_unit *rmrr;
+ int i;
+
+ for_each_rmrr_units(rmrr) {
+ for (i = 0; i < rmrr->devices_cnt; i++) {
+ /*
+ * Return TRUE if this RMRR contains the device that
+ * is passed in.
+ */
+ if (rmrr->devices[i] == dev)
+ return true;
+ }
+ }
+ return false;
+}
+
static int iommu_should_identity_map(struct pci_dev *pdev, int startup)
{
+
+ /*
+ * We want to prevent any device associated with an RMRR from
+ * getting placed into the SI Domain. This is done because
+ * problems exist when devices are moved in and out of domains
+ * and their respective RMRR info is lost. We exempt USB devices
+ * from this process due to their usage of RMRRs that are known
+ * to not be needed after BIOS hand-off to OS.
+ */
+ if (device_has_rmrr(pdev) &&
+ (pdev->class >> 8) != PCI_CLASS_SERIAL_USB)
+ return 0;
+
if ((iommu_identity_mapping & IDENTMAP_AZALIA) && IS_AZALIA(pdev))
return 1;

@@ -4090,6 +4121,21 @@ static struct iommu_ops intel_iommu_ops = {
.domain_has_cap = intel_iommu_domain_has_cap,
};

+static void quirk_iommu_g4x_gfx(struct pci_dev *dev)
+{
+ /* G4x/GM45 integrated gfx dmar support is totally busted. */
+ printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
+ dmar_map_gfx = 0;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx);
+
static void __devinit quirk_iommu_rwbf(struct pci_dev *dev)
{
/*
@@ -4098,12 +4144,6 @@ static void __devinit quirk_iommu_rwbf(struct pci_dev *dev)
*/
printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n");
rwbf_quirk = 1;
-
- /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */
- if (dev->revision == 0x07) {
- printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
- dmar_map_gfx = 0;
- }
}

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf);
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 86cd532..21a3d77 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -914,7 +914,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_ACK_ERROR:
netdev_dbg(dev, "ack error\n");
- cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
+ cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL);
break;
case LEC_BIT1_ERROR:
@@ -927,7 +927,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_CRC_ERROR:
netdev_dbg(dev, "CRC error\n");
- cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL);
break;
default:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index d11fbb2..b508a63 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -559,7 +559,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
stats->rx_errors++;
break;
case PCH_CRC_ERR:
- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
priv->can.can_stats.bus_error++;
stats->rx_errors++;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 79c70ae..1ef9df8 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -735,12 +735,12 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
}
if (err_status & HECC_CANES_CRCE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
}
if (err_status & HECC_CANES_ACKE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
- cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
+ cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL;
}
}
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 222954d..cf177b8 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -939,17 +939,18 @@ static int igb_request_msix(struct igb_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct e1000_hw *hw = &adapter->hw;
- int i, err = 0, vector = 0;
+ int i, err = 0, vector = 0, free_vector = 0;

err = request_irq(adapter->msix_entries[vector].vector,
igb_msix_other, 0, netdev->name, adapter);
if (err)
- goto out;
- vector++;
+ goto err_out;

for (i = 0; i < adapter->num_q_vectors; i++) {
struct igb_q_vector *q_vector = adapter->q_vector[i];

+ vector++;
+
q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);

if (q_vector->rx.ring && q_vector->tx.ring)
@@ -968,13 +969,22 @@ static int igb_request_msix(struct igb_adapter *adapter)
igb_msix_ring, 0, q_vector->name,
q_vector);
if (err)
- goto out;
- vector++;
+ goto err_free;
}

igb_configure_msix(adapter);
return 0;
-out:
+
+err_free:
+ /* free already assigned IRQs */
+ free_irq(adapter->msix_entries[free_vector++].vector, adapter);
+
+ vector--;
+ for (i = 0; i < vector; i++) {
+ free_irq(adapter->msix_entries[free_vector++].vector,
+ adapter->q_vector[i]);
+ }
+err_out:
return err;
}

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 12a730d..ae750f9 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -946,6 +946,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
AR_PHY_CL_TAB_1,
AR_PHY_CL_TAB_2 };

+ ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
+
if (rtt) {
if (!ar9003_hw_rtt_restore(ah, chan))
run_rtt_cal = true;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 2330e7e..73be7ff 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -541,35 +541,22 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,
udelay(synthDelay + BASE_ACTIVATE_DELAY);
}

-static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
{
- switch (rx) {
- case 0x5:
+ if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
AR_PHY_SWAP_ALT_CHAIN);
- case 0x3:
- case 0x1:
- case 0x2:
- case 0x7:
- REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
- REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
- break;
- default:
- break;
- }
+
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);

if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
- REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
+ tx = 3;
else if (AR_SREV_9462(ah))
/* xxx only when MCI support is enabled */
- REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
- else
- REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+ tx = 3;

- if (tx == 0x5) {
- REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
- AR_PHY_SWAP_ALT_CHAIN);
- }
+ REG_WRITE(ah, AR_SELFGEN_MASK, tx);
}

/*
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index a13cabb..2bbc83e 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -155,6 +155,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
bf->bf_buf_addr = 0;
+ bf->bf_mpdu = NULL;
}

/* Get a new beacon from mac80211 */
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index 1b90ed8..4f7843a 100644
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -342,6 +342,8 @@ void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
skb, htc_hdr->endpoint_id,
txok);
+ } else {
+ kfree_skb(skb);
}
}

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index a5c4ba8..0c65a09 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1016,6 +1016,7 @@ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
int ar9003_paprd_init_table(struct ath_hw *ah);
bool ar9003_paprd_is_done(struct ath_hw *ah);
void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah, void *ds, u8 chains);
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);

/* Hardware family op attach helpers */
void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index b4cbc82..d171a72 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -786,6 +786,7 @@ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
return NULL;
}

+ list_del(&bf->list);
if (!bf->bf_mpdu)
return bf;

@@ -1966,14 +1967,15 @@ requeue_drop_frag:
sc->rx.frag = NULL;
}
requeue:
+ list_add_tail(&bf->list, &sc->rx.rxbuf);
+ if (flush)
+ continue;
+
if (edma) {
- list_add_tail(&bf->list, &sc->rx.rxbuf);
ath_rx_edma_buf_link(sc, qtype);
} else {
- list_move_tail(&bf->list, &sc->rx.rxbuf);
ath_rx_buf_link(sc, bf);
- if (!flush)
- ath9k_hw_rxena(ah);
+ ath9k_hw_rxena(ah);
}
} while (1);

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 0d8a9cd..78c16eb 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -1484,9 +1484,10 @@ void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
#endif
t->ms = ms;
t->periodic = (bool) periodic;
- t->set = true;
-
- atomic_inc(&t->wl->callbacks);
+ if (!t->set) {
+ t->set = true;
+ atomic_inc(&t->wl->callbacks);
+ }

ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
}
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index d34acf0..de94244 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -160,7 +160,7 @@ static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)

if (pdev) {
card = (struct pcie_service_card *) pci_get_drvdata(pdev);
- if (!card || card->adapter) {
+ if (!card || !card->adapter) {
pr_err("Card or adapter structure is not valid\n");
return 0;
}
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 1679c25..56e1c4a 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -53,8 +53,7 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
*/
int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
{
- bool cancel_flag = false;
- int status = adapter->cmd_wait_q.status;
+ int status;
struct cmd_ctrl_node *cmd_queued;

if (!adapter->cmd_queued)
@@ -70,15 +69,14 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
queue_work(adapter->workqueue, &adapter->main_work);

/* Wait for completion */
- wait_event_interruptible(adapter->cmd_wait_q.wait,
- *(cmd_queued->condition));
- if (!*(cmd_queued->condition))
- cancel_flag = true;
-
- if (cancel_flag) {
- mwifiex_cancel_pending_ioctl(adapter);
- dev_dbg(adapter->dev, "cmd cancel\n");
+ status = wait_event_interruptible(adapter->cmd_wait_q.wait,
+ *(cmd_queued->condition));
+ if (status) {
+ dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
+ return status;
}
+
+ status = adapter->cmd_wait_q.status;
adapter->cmd_wait_q.status = 0;

return status;
@@ -240,6 +238,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,

if (!netif_queue_stopped(priv->netdev))
netif_stop_queue(priv->netdev);
+ if (netif_carrier_ok(priv->netdev))
+ netif_carrier_off(priv->netdev);

/* Clear any past association response stored for
* application retrieval */
@@ -271,6 +271,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,

if (!netif_queue_stopped(priv->netdev))
netif_stop_queue(priv->netdev);
+ if (netif_carrier_ok(priv->netdev))
+ netif_carrier_off(priv->netdev);

if (!ret) {
dev_dbg(adapter->dev, "info: network found in scan"
@@ -421,8 +423,11 @@ int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
return false;
}

- wait_event_interruptible(adapter->hs_activate_wait_q,
- adapter->hs_activate_wait_q_woken);
+ if (wait_event_interruptible(adapter->hs_activate_wait_q,
+ adapter->hs_activate_wait_q_woken)) {
+ dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
+ return false;
+ }

return true;
}
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 838f571..4fff912 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -44,8 +44,6 @@ extern int pciehp_poll_mode;
extern int pciehp_poll_time;
extern int pciehp_debug;
extern int pciehp_force;
-extern struct workqueue_struct *pciehp_wq;
-extern struct workqueue_struct *pciehp_ordered_wq;

#define dbg(format, arg...) \
do { \
@@ -79,6 +77,7 @@ struct slot {
struct hotplug_slot *hotplug_slot;
struct delayed_work work; /* work for button event */
struct mutex lock;
+ struct workqueue_struct *wq;
};

struct event_info {
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 7ac8358..9350af9 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -42,8 +42,6 @@ int pciehp_debug;
int pciehp_poll_mode;
int pciehp_poll_time;
int pciehp_force;
-struct workqueue_struct *pciehp_wq;
-struct workqueue_struct *pciehp_ordered_wq;

#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <dan.zink@xxxxxxxxxx>, Greg Kroah-Hartman <greg@xxxxxxxxx>, Dely Sy <dely.l.sy@xxxxxxxxx>"
@@ -341,33 +339,19 @@ static int __init pcied_init(void)
{
int retval = 0;

- pciehp_wq = alloc_workqueue("pciehp", 0, 0);
- if (!pciehp_wq)
- return -ENOMEM;
-
- pciehp_ordered_wq = alloc_ordered_workqueue("pciehp_ordered", 0);
- if (!pciehp_ordered_wq) {
- destroy_workqueue(pciehp_wq);
- return -ENOMEM;
- }
-
pciehp_firmware_init();
retval = pcie_port_service_register(&hpdriver_portdrv);
dbg("pcie_port_service_register = %d\n", retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
- if (retval) {
- destroy_workqueue(pciehp_ordered_wq);
- destroy_workqueue(pciehp_wq);
+ if (retval)
dbg("Failure to register service\n");
- }
+
return retval;
}

static void __exit pcied_cleanup(void)
{
dbg("unload_pciehpd()\n");
- destroy_workqueue(pciehp_ordered_wq);
- destroy_workqueue(pciehp_wq);
pcie_port_service_unregister(&hpdriver_portdrv);
info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
}
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 085dbb5..38f0186 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
info->p_slot = p_slot;
INIT_WORK(&info->work, interrupt_event_handler);

- queue_work(pciehp_wq, &info->work);
+ queue_work(p_slot->wq, &info->work);

return 0;
}
@@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
kfree(info);
goto out;
}
- queue_work(pciehp_ordered_wq, &info->work);
+ queue_work(p_slot->wq, &info->work);
out:
mutex_unlock(&p_slot->lock);
}
@@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
if (ATTN_LED(ctrl))
pciehp_set_attention_status(p_slot, 0);

- queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
+ queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
break;
case BLINKINGOFF_STATE:
case BLINKINGON_STATE:
@@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
else
p_slot->state = POWERON_STATE;

- queue_work(pciehp_ordered_wq, &info->work);
+ queue_work(p_slot->wq, &info->work);
}

static void interrupt_event_handler(struct work_struct *work)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 7b14148..fef1748 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -789,24 +789,32 @@ static void pcie_shutdown_notification(struct controller *ctrl)
static int pcie_init_slot(struct controller *ctrl)
{
struct slot *slot;
+ char name[32];

slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
return -ENOMEM;

+ snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
+ slot->wq = alloc_workqueue(name, 0, 0);
+ if (!slot->wq)
+ goto abort;
+
slot->ctrl = ctrl;
mutex_init(&slot->lock);
INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
ctrl->slot = slot;
return 0;
+abort:
+ kfree(slot);
+ return -ENOMEM;
}

static void pcie_cleanup_slot(struct controller *ctrl)
{
struct slot *slot = ctrl->slot;
cancel_delayed_work(&slot->work);
- flush_workqueue(pciehp_wq);
- flush_workqueue(pciehp_ordered_wq);
+ destroy_workqueue(slot->wq);
kfree(slot);
}

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index e0c90e6..2c2ac80 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -46,8 +46,6 @@
extern int shpchp_poll_mode;
extern int shpchp_poll_time;
extern int shpchp_debug;
-extern struct workqueue_struct *shpchp_wq;
-extern struct workqueue_struct *shpchp_ordered_wq;

#define dbg(format, arg...) \
do { \
@@ -91,6 +89,7 @@ struct slot {
struct list_head slot_list;
struct delayed_work work; /* work for button event */
struct mutex lock;
+ struct workqueue_struct *wq;
u8 hp_slot;
};

diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index dd7e0c5..754a7cd 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,8 +39,6 @@
int shpchp_debug;
int shpchp_poll_mode;
int shpchp_poll_time;
-struct workqueue_struct *shpchp_wq;
-struct workqueue_struct *shpchp_ordered_wq;

#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <dan.zink@xxxxxxxxxx>, Greg Kroah-Hartman <greg@xxxxxxxxx>, Dely Sy <dely.l.sy@xxxxxxxxx>"
@@ -123,6 +121,14 @@ static int init_slots(struct controller *ctrl)
slot->device = ctrl->slot_device_offset + i;
slot->hpc_ops = ctrl->hpc_ops;
slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
+
+ snprintf(name, sizeof(name), "shpchp-%d", slot->number);
+ slot->wq = alloc_workqueue(name, 0, 0);
+ if (!slot->wq) {
+ retval = -ENOMEM;
+ goto error_info;
+ }
+
mutex_init(&slot->lock);
INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work);

@@ -142,7 +148,7 @@ static int init_slots(struct controller *ctrl)
if (retval) {
ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
retval);
- goto error_info;
+ goto error_slotwq;
}

get_power_status(hotplug_slot, &info->power_status);
@@ -154,6 +160,8 @@ static int init_slots(struct controller *ctrl)
}

return 0;
+error_slotwq:
+ destroy_workqueue(slot->wq);
error_info:
kfree(info);
error_hpslot:
@@ -174,8 +182,7 @@ void cleanup_slots(struct controller *ctrl)
slot = list_entry(tmp, struct slot, slot_list);
list_del(&slot->slot_list);
cancel_delayed_work(&slot->work);
- flush_workqueue(shpchp_wq);
- flush_workqueue(shpchp_ordered_wq);
+ destroy_workqueue(slot->wq);
pci_hp_deregister(slot->hotplug_slot);
}
}
@@ -358,25 +365,12 @@ static struct pci_driver shpc_driver = {

static int __init shpcd_init(void)
{
- int retval = 0;
-
- shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
- if (!shpchp_wq)
- return -ENOMEM;
-
- shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
- if (!shpchp_ordered_wq) {
- destroy_workqueue(shpchp_wq);
- return -ENOMEM;
- }
+ int retval;

retval = pci_register_driver(&shpc_driver);
dbg("%s: pci_register_driver = %d\n", __func__, retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
- if (retval) {
- destroy_workqueue(shpchp_ordered_wq);
- destroy_workqueue(shpchp_wq);
- }
+
return retval;
}

@@ -384,8 +378,6 @@ static void __exit shpcd_cleanup(void)
{
dbg("unload_shpchpd()\n");
pci_unregister_driver(&shpc_driver);
- destroy_workqueue(shpchp_ordered_wq);
- destroy_workqueue(shpchp_wq);
info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
}

diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index b00b09b..3ffc1b2 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -51,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
info->p_slot = p_slot;
INIT_WORK(&info->work, interrupt_event_handler);

- queue_work(shpchp_wq, &info->work);
+ queue_work(p_slot->wq, &info->work);

return 0;
}
@@ -456,7 +456,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
kfree(info);
goto out;
}
- queue_work(shpchp_ordered_wq, &info->work);
+ queue_work(p_slot->wq, &info->work);
out:
mutex_unlock(&p_slot->lock);
}
@@ -504,7 +504,7 @@ static void handle_button_press_event(struct slot *p_slot)
p_slot->hpc_ops->green_led_blink(p_slot);
p_slot->hpc_ops->set_attention_status(p_slot, 0);

- queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
+ queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
break;
case BLINKINGOFF_STATE:
case BLINKINGON_STATE:
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 9674e9f..ee82c55 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -637,6 +637,7 @@ static void aer_recover_work_func(struct work_struct *work)
continue;
}
do_recovery(pdev, entry.severity);
+ pci_dev_put(pdev);
}
}
#endif
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 2275162..c73ed00 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -790,6 +790,9 @@ void pcie_clear_aspm(struct pci_bus *bus)
{
struct pci_dev *child;

+ if (aspm_force)
+ return;
+
/*
* Clear any ASPM setup that the firmware has carried out on this bus
*/
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 811d436..2704386 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -255,7 +255,7 @@ static int __init ibm_rtl_init(void) {
if (force)
pr_warn("module loaded by force\n");
/* first ensure that we are running on IBM HW */
- else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
+ else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table))
return -ENODEV;

/* Get the address for the Extended BIOS Data Area */
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 21bc1a7..64e1f2d 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -22,6 +22,7 @@
#include <linux/platform_device.h>
#include <linux/rfkill.h>
#include <linux/acpi.h>
+#include <linux/efi.h>

/*
* This driver is needed because a number of Samsung laptops do not hook
@@ -603,6 +604,9 @@ static int __init samsung_init(void)
int loca;
int retval;

+ if (efi_enabled(EFI_BOOT))
+ return -ENODEV;
+
mutex_init(&sabi_mutex);
handle_backlight = true;

diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 8cba82d..32445a7 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -71,26 +71,26 @@ struct voltage_map_desc {
unsigned int n_bits;
};

-/* Voltage maps in mV */
+/* Voltage maps in uV */
static const struct voltage_map_desc ldo_voltage_map_desc = {
- .min = 800, .max = 3950, .step = 50, .n_bits = 6,
+ .min = 800000, .max = 3950000, .step = 50000, .n_bits = 6,
}; /* LDO1 ~ 18, 21 all */

static const struct voltage_map_desc buck1245_voltage_map_desc = {
- .min = 650, .max = 2225, .step = 25, .n_bits = 6,
+ .min = 650000, .max = 2225000, .step = 25000, .n_bits = 6,
}; /* Buck1, 2, 4, 5 */

static const struct voltage_map_desc buck37_voltage_map_desc = {
- .min = 750, .max = 3900, .step = 50, .n_bits = 6,
+ .min = 750000, .max = 3900000, .step = 50000, .n_bits = 6,
}; /* Buck3, 7 */

-/* current map in mA */
+/* current map in uA */
static const struct voltage_map_desc charger_current_map_desc = {
- .min = 200, .max = 950, .step = 50, .n_bits = 4,
+ .min = 200000, .max = 950000, .step = 50000, .n_bits = 4,
};

static const struct voltage_map_desc topoff_current_map_desc = {
- .min = 50, .max = 200, .step = 10, .n_bits = 4,
+ .min = 50000, .max = 200000, .step = 10000, .n_bits = 4,
};

static const struct voltage_map_desc *reg_voltage_map[] = {
@@ -199,7 +199,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
if (val > desc->max)
return -EINVAL;

- return val * 1000;
+ return val;
}

static int max8997_get_enable_register(struct regulator_dev *rdev,
@@ -501,7 +501,6 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int rid = max8997_get_rid(rdev);
int reg, shift = 0, mask, ret;
@@ -527,7 +526,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,

desc = reg_voltage_map[rid];

- i = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+ i = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
if (i < 0)
return i;

@@ -546,7 +545,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
/* If the voltage is increasing */
if (org < i)
udelay(DIV_ROUND_UP(desc->step * (i - org),
- max8997->ramp_delay));
+ max8997->ramp_delay * 1000));
}

return ret;
@@ -645,7 +644,6 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
const struct voltage_map_desc *desc;
int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
bool gpio_dvs_mode = false;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;

if (rid < MAX8997_BUCK1 || rid > MAX8997_BUCK7)
return -EINVAL;
@@ -670,7 +668,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
selector);

desc = reg_voltage_map[rid];
- new_val = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+ new_val = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
if (new_val < 0)
return new_val;

@@ -1002,8 +1000,8 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
max8997->buck1_vol[i] = ret =
max8997_get_voltage_proper_val(
&buck1245_voltage_map_desc,
- pdata->buck1_voltage[i] / 1000,
- pdata->buck1_voltage[i] / 1000 +
+ pdata->buck1_voltage[i],
+ pdata->buck1_voltage[i] +
buck1245_voltage_map_desc.step);
if (ret < 0)
goto err_alloc;
@@ -1011,8 +1009,8 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
max8997->buck2_vol[i] = ret =
max8997_get_voltage_proper_val(
&buck1245_voltage_map_desc,
- pdata->buck2_voltage[i] / 1000,
- pdata->buck2_voltage[i] / 1000 +
+ pdata->buck2_voltage[i],
+ pdata->buck2_voltage[i] +
buck1245_voltage_map_desc.step);
if (ret < 0)
goto err_alloc;
@@ -1020,8 +1018,8 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
max8997->buck5_vol[i] = ret =
max8997_get_voltage_proper_val(
&buck1245_voltage_map_desc,
- pdata->buck5_voltage[i] / 1000,
- pdata->buck5_voltage[i] / 1000 +
+ pdata->buck5_voltage[i],
+ pdata->buck5_voltage[i] +
buck1245_voltage_map_desc.step);
if (ret < 0)
goto err_alloc;
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 41a1495..27fe1c6 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -497,7 +497,7 @@ buck2_exit:

difference = desc->min + desc->step*i - previous_vol/1000;
if (difference > 0)
- udelay(difference / ((val & 0x0f) + 1));
+ udelay(DIV_ROUND_UP(difference, (val & 0x0f) + 1));

return ret;
}
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 5c8b0dc..3784388 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -459,7 +459,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
return -ENOMEM;
pci_set_drvdata(pdev, pci_info);

- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
orom = isci_get_efi_var(pdev);

if (!orom)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4b63c73..f44d633 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2825,10 +2825,6 @@ static int __init init_sd(void)
if (err)
goto err_out;

- err = scsi_register_driver(&sd_template.gendrv);
- if (err)
- goto err_out_class;
-
sd_cdb_cache = kmem_cache_create("sd_ext_cdb", SD_EXT_CDB_SIZE,
0, 0, NULL);
if (!sd_cdb_cache) {
@@ -2842,8 +2838,15 @@ static int __init init_sd(void)
goto err_out_cache;
}

+ err = scsi_register_driver(&sd_template.gendrv);
+ if (err)
+ goto err_out_driver;
+
return 0;

+err_out_driver:
+ mempool_destroy(sd_cdb_pool);
+
err_out_cache:
kmem_cache_destroy(sd_cdb_cache);

@@ -2866,10 +2869,10 @@ static void __exit exit_sd(void)

SCSI_LOG_HLQUEUE(3, printk("exit_sd: exiting sd driver\n"));

+ scsi_unregister_driver(&sd_template.gendrv);
mempool_destroy(sd_cdb_pool);
kmem_cache_destroy(sd_cdb_cache);

- scsi_unregister_driver(&sd_template.gendrv);
class_unregister(&sd_disk_class);

for (i = 0; i < SD_MAJORS; i++)
diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 4c77e50..da26630 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -424,6 +424,7 @@ config COMEDI_ADQ12B

config COMEDI_NI_AT_A2150
tristate "NI AT-A2150 ISA card support"
+ select COMEDI_FC
depends on COMEDI_NI_COMMON
depends on VIRT_TO_BUS
default N
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 9465bce..ab9f5ed 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2207,6 +2207,7 @@ int comedi_alloc_board_minor(struct device *hardware_device)
kfree(info);
return -ENOMEM;
}
+ info->hardware_device = hardware_device;
comedi_device_init(info->device);
spin_lock_irqsave(&comedi_file_info_table_lock, flags);
for (i = 0; i < COMEDI_NUM_BOARD_MINORS; ++i) {
@@ -2295,6 +2296,23 @@ void comedi_free_board_minor(unsigned minor)
}
}

+int comedi_find_board_minor(struct device *hardware_device)
+{
+ int minor;
+ struct comedi_device_file_info *info;
+
+ for (minor = 0; minor < COMEDI_NUM_BOARD_MINORS; minor++) {
+ spin_lock(&comedi_file_info_table_lock);
+ info = comedi_file_info_table[minor];
+ if (info && info->hardware_device == hardware_device) {
+ spin_unlock(&comedi_file_info_table_lock);
+ return minor;
+ }
+ spin_unlock(&comedi_file_info_table_lock);
+ }
+ return -ENODEV;
+}
+
int comedi_alloc_subdevice_minor(struct comedi_device *dev,
struct comedi_subdevice *s)
{
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 7a0d4bc..00d3c65 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -234,6 +234,7 @@ struct comedi_device_file_info {
struct comedi_device *device;
struct comedi_subdevice *read_subdevice;
struct comedi_subdevice *write_subdevice;
+ struct device *hardware_device;
};

#ifdef CONFIG_COMEDI_DEBUG
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index db1fd63..538b568 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -823,25 +823,14 @@ static int comedi_auto_config(struct device *hardware_device,
int minor;
struct comedi_device_file_info *dev_file_info;
int retval;
- unsigned *private_data = NULL;

- if (!comedi_autoconfig) {
- dev_set_drvdata(hardware_device, NULL);
+ if (!comedi_autoconfig)
return 0;
- }

minor = comedi_alloc_board_minor(hardware_device);
if (minor < 0)
return minor;

- private_data = kmalloc(sizeof(unsigned), GFP_KERNEL);
- if (private_data == NULL) {
- retval = -ENOMEM;
- goto cleanup;
- }
- *private_data = minor;
- dev_set_drvdata(hardware_device, private_data);
-
dev_file_info = comedi_get_device_file_info(minor);

memset(&it, 0, sizeof(it));
@@ -854,25 +843,22 @@ static int comedi_auto_config(struct device *hardware_device,
retval = comedi_device_attach(dev_file_info->device, &it);
mutex_unlock(&dev_file_info->device->mutex);

-cleanup:
- if (retval < 0) {
- kfree(private_data);
+ if (retval < 0)
comedi_free_board_minor(minor);
- }
return retval;
}

static void comedi_auto_unconfig(struct device *hardware_device)
{
- unsigned *minor = (unsigned *)dev_get_drvdata(hardware_device);
- if (minor == NULL)
- return;
-
- BUG_ON(*minor >= COMEDI_NUM_BOARD_MINORS);
+ int minor;

- comedi_free_board_minor(*minor);
- dev_set_drvdata(hardware_device, NULL);
- kfree(minor);
+ if (hardware_device == NULL)
+ return;
+ minor = comedi_find_board_minor(hardware_device);
+ if (minor < 0)
+ return;
+ BUG_ON(minor >= COMEDI_NUM_BOARD_MINORS);
+ comedi_free_board_minor(minor);
}

int comedi_pci_auto_config(struct pci_dev *pcidev, const char *board_name)
diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
index a804742..2567f9a 100644
--- a/drivers/staging/comedi/drivers/comedi_test.c
+++ b/drivers/staging/comedi/drivers/comedi_test.c
@@ -461,7 +461,7 @@ static int waveform_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
devpriv->timer_running = 0;
- del_timer(&devpriv->timer);
+ del_timer_sync(&devpriv->timer);
return 0;
}

diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 9148abd..9fee2f2 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1021,7 +1021,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_625x_ao,
.reg_type = ni_reg_625x,
.ao_unipolar = 0,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 8,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1040,7 +1040,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_625x_ao,
.reg_type = ni_reg_625x,
.ao_unipolar = 0,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 8,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1076,7 +1076,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_625x_ao,
.reg_type = ni_reg_625x,
.ao_unipolar = 0,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 32,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1095,7 +1095,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_625x_ao,
.reg_type = ni_reg_625x,
.ao_unipolar = 0,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 32,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1131,7 +1131,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_628x_ao,
.reg_type = ni_reg_628x,
.ao_unipolar = 1,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 8,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1150,7 +1150,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_628x_ao,
.reg_type = ni_reg_628x,
.ao_unipolar = 1,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 8,
.caldac = {caldac_none},
.has_8255 = 0,
@@ -1186,7 +1186,7 @@ static const struct ni_board_struct ni_boards[] = {
.ao_range_table = &range_ni_M_628x_ao,
.reg_type = ni_reg_628x,
.ao_unipolar = 1,
- .ao_speed = 357,
+ .ao_speed = 350,
.num_p0_dio_channels = 32,
.caldac = {caldac_none},
.has_8255 = 0,
diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h
index 434ce34..4208fb4 100644
--- a/drivers/staging/comedi/internal.h
+++ b/drivers/staging/comedi/internal.h
@@ -7,6 +7,7 @@ int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
int comedi_alloc_board_minor(struct device *hardware_device);
void comedi_free_board_minor(unsigned minor);
+int comedi_find_board_minor(struct device *hardware_device);
void comedi_reset_async_buf(struct comedi_async *async);
int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
unsigned long new_size);
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index f4b738f..88d1d35 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -66,6 +66,8 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
{USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
/* Belkin */
{USB_DEVICE(0x050D, 0x945A)},
+ /* ISY IWL - Belkin clone */
+ {USB_DEVICE(0x050D, 0x11F1)},
/* Corega */
{USB_DEVICE(0x07AA, 0x0047)},
/* D-Link */
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index c241074..7843111 100644
--- a/drivers/staging/speakup/synth.c
+++ b/drivers/staging/speakup/synth.c
@@ -342,7 +342,7 @@ int synth_init(char *synth_name)

mutex_lock(&spk_mutex);
/* First, check if we already have it loaded. */
- for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
+ for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
if (strcmp(synths[i]->name, synth_name) == 0)
synth = synths[i];

@@ -423,7 +423,7 @@ int synth_add(struct spk_synth *in_synth)
int i;
int status = 0;
mutex_lock(&spk_mutex);
- for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
+ for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
/* synth_remove() is responsible for rotating the array down */
if (in_synth == synths[i]) {
mutex_unlock(&spk_mutex);
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index 3b7a847..194e974 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -761,26 +761,25 @@ EXPORT_SYMBOL_GPL(usbip_recv_iso);
* buffer and iso packets need to be stored and be in propeper endian in urb
* before calling this function
*/
-int usbip_pad_iso(struct usbip_device *ud, struct urb *urb)
+void usbip_pad_iso(struct usbip_device *ud, struct urb *urb)
{
int np = urb->number_of_packets;
int i;
- int ret;
int actualoffset = urb->actual_length;

if (!usb_pipeisoc(urb->pipe))
- return 0;
+ return;

/* if no packets or length of data is 0, then nothing to unpack */
if (np == 0 || urb->actual_length == 0)
- return 0;
+ return;

/*
* if actual_length is transfer_buffer_length then no padding is
* present.
*/
if (urb->actual_length == urb->transfer_buffer_length)
- return 0;
+ return;

/*
* loop over all packets from last to first (to prevent overwritting
@@ -792,8 +791,6 @@ int usbip_pad_iso(struct usbip_device *ud, struct urb *urb)
urb->transfer_buffer + actualoffset,
urb->iso_frame_desc[i].actual_length);
}
-
- return ret;
}
EXPORT_SYMBOL_GPL(usbip_pad_iso);

diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
index be21617..e547dba 100644
--- a/drivers/staging/usbip/usbip_common.h
+++ b/drivers/staging/usbip/usbip_common.h
@@ -316,7 +316,7 @@ void usbip_header_correct_endian(struct usbip_header *pdu, int send);
void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen);
/* some members of urb must be substituted before. */
int usbip_recv_iso(struct usbip_device *ud, struct urb *urb);
-int usbip_pad_iso(struct usbip_device *ud, struct urb *urb);
+void usbip_pad_iso(struct usbip_device *ud, struct urb *urb);
int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb);

/* usbip_event.c */
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 3872b8c..1a7afaa 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -94,8 +94,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
return;

/* restore the padding in iso packets */
- if (usbip_pad_iso(ud, urb) < 0)
- return;
+ usbip_pad_iso(ud, urb);

if (usbip_dbg_flag_vhci_rx)
usbip_dump_urb(urb);
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index a8f97eb..991ce3e 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -92,7 +92,6 @@ typedef struct tagSRSNCapObject {
} SRSNCapObject, *PSRSNCapObject;

// BSS info(AP)
-#pragma pack(1)
typedef struct tagKnownBSS {
// BSS info
BOOL bActive;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index 3176c8d..c731b12 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -34,7 +34,6 @@
#include "device.h"

/*--------------------- Export Definitions -------------------------*/
-#pragma pack(1)
typedef struct tagSINTData {
BYTE byTSR0;
BYTE byPkt0;
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 22710ce..ae6e2d2 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -95,13 +95,12 @@ typedef enum tagWZONETYPE {
// Ioctl interface structure
// Command structure
//
-#pragma pack(1)
typedef struct tagSCmdRequest {
u8 name[16];
void *data;
u16 wResult;
u16 wCmdCode;
-} SCmdRequest, *PSCmdRequest;
+} __packed SCmdRequest, *PSCmdRequest;

//
// Scan
@@ -111,7 +110,7 @@ typedef struct tagSCmdScan {

u8 ssid[SSID_MAXLEN + 2];

-} SCmdScan, *PSCmdScan;
+} __packed SCmdScan, *PSCmdScan;

//
// BSS Join
@@ -126,7 +125,7 @@ typedef struct tagSCmdBSSJoin {
BOOL bPSEnable;
BOOL bShareKeyAuth;

-} SCmdBSSJoin, *PSCmdBSSJoin;
+} __packed SCmdBSSJoin, *PSCmdBSSJoin;

//
// Zonetype Setting
@@ -137,7 +136,7 @@ typedef struct tagSCmdZoneTypeSet {
BOOL bWrite;
WZONETYPE ZoneType;

-} SCmdZoneTypeSet, *PSCmdZoneTypeSet;
+} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet;

typedef struct tagSWPAResult {
char ifname[100];
@@ -145,7 +144,7 @@ typedef struct tagSWPAResult {
u8 key_mgmt;
u8 eap_type;
BOOL authenticated;
-} SWPAResult, *PSWPAResult;
+} __packed SWPAResult, *PSWPAResult;

typedef struct tagSCmdStartAP {

@@ -157,7 +156,7 @@ typedef struct tagSCmdStartAP {
BOOL bShareKeyAuth;
u8 byBasicRate;

-} SCmdStartAP, *PSCmdStartAP;
+} __packed SCmdStartAP, *PSCmdStartAP;

typedef struct tagSCmdSetWEP {

@@ -167,7 +166,7 @@ typedef struct tagSCmdSetWEP {
BOOL bWepKeyAvailable[WEP_NKEYS];
u32 auWepKeyLength[WEP_NKEYS];

-} SCmdSetWEP, *PSCmdSetWEP;
+} __packed SCmdSetWEP, *PSCmdSetWEP;

typedef struct tagSBSSIDItem {

@@ -180,14 +179,14 @@ typedef struct tagSBSSIDItem {
BOOL bWEPOn;
u32 uRSSI;

-} SBSSIDItem;
+} __packed SBSSIDItem;

typedef struct tagSBSSIDList {

u32 uItem;
SBSSIDItem sBSSIDList[0];
-} SBSSIDList, *PSBSSIDList;
+} __packed SBSSIDList, *PSBSSIDList;

typedef struct tagSNodeItem {
@@ -208,7 +207,7 @@ typedef struct tagSNodeItem {
u32 uTxAttempts;
u16 wFailureRatio;

-} SNodeItem;
+} __packed SNodeItem;

typedef struct tagSNodeList {
@@ -216,7 +215,7 @@ typedef struct tagSNodeList {
u32 uItem;
SNodeItem sNodeList[0];

-} SNodeList, *PSNodeList;
+} __packed SNodeList, *PSNodeList;

typedef struct tagSCmdLinkStatus {
@@ -229,7 +228,7 @@ typedef struct tagSCmdLinkStatus {
u32 uChannel;
u32 uLinkRate;

-} SCmdLinkStatus, *PSCmdLinkStatus;
+} __packed SCmdLinkStatus, *PSCmdLinkStatus;

//
// 802.11 counter
@@ -247,7 +246,7 @@ typedef struct tagSDot11MIBCount {
u32 ReceivedFragmentCount;
u32 MulticastReceivedFrameCount;
u32 FCSErrorCount;
-} SDot11MIBCount, *PSDot11MIBCount;
+} __packed SDot11MIBCount, *PSDot11MIBCount;

@@ -355,13 +354,13 @@ typedef struct tagSStatMIBCount {
u32 ullTxBroadcastBytes[2];
u32 ullTxMulticastBytes[2];
u32 ullTxDirectedBytes[2];
-} SStatMIBCount, *PSStatMIBCount;
+} __packed SStatMIBCount, *PSStatMIBCount;

typedef struct tagSCmdValue {

u32 dwValue;

-} SCmdValue, *PSCmdValue;
+} __packed SCmdValue, *PSCmdValue;

//
// hostapd & viawget ioctl related
@@ -431,7 +430,7 @@ struct viawget_hostapd_param {
u8 ssid[32];
} scan_req;
} u;
-};
+} __packed;

/*--------------------- Export Classes ----------------------------*/

diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
index 959c886..2522dde 100644
--- a/drivers/staging/vt6656/iowpa.h
+++ b/drivers/staging/vt6656/iowpa.h
@@ -67,12 +67,11 @@ enum {

-#pragma pack(1)
typedef struct viawget_wpa_header {
u8 type;
u16 req_ie_len;
u16 resp_ie_len;
-} viawget_wpa_header;
+} __packed viawget_wpa_header;

struct viawget_wpa_param {
u32 cmd;
@@ -113,9 +112,8 @@ struct viawget_wpa_param {
u8 *buf;
} scan_results;
} u;
-};
+} __packed;

-#pragma pack(1)
struct viawget_scan_result {
u8 bssid[6];
u8 ssid[32];
@@ -130,7 +128,7 @@ struct viawget_scan_result {
int noise;
int level;
int maxrate;
-};
+} __packed;

/*--------------------- Export Classes ----------------------------*/

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 34d114a..9176b2e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -4539,7 +4539,7 @@ int transport_send_check_condition_and_sense(
/* ILLEGAL REQUEST */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT COMMUNICATION FAILURE */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x80;
+ buffer[offset+SPC_ASC_KEY_OFFSET] = 0x08;
break;
}
/*
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 3f28fdb..ab0a3fa 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -390,11 +390,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,

tport = ft_tport_create(rdata->local_port);
if (!tport)
- return 0; /* not a target for this local port */
+ goto not_target; /* not a target for this local port */

acl = ft_acl_get(tport->tpg, rdata);
if (!acl)
- return 0;
+ goto not_target; /* no target for this remote */

if (!rspp)
goto fill;
@@ -431,12 +431,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,

/*
* OR in our service parameters with other provider (initiator), if any.
- * TBD XXX - indicate RETRY capability?
*/
fill:
fcp_parm = ntohl(spp->spp_params);
+ fcp_parm &= ~FCP_SPPF_RETRY;
spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
return FC_SPP_RESP_ACK;
+
+not_target:
+ fcp_parm = ntohl(spp->spp_params);
+ fcp_parm &= ~FCP_SPPF_TARG_FCN;
+ spp->spp_params = htonl(fcp_parm);
+ return 0;
}

/**
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 70585b6..90dad17 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -316,6 +316,12 @@ static const struct serial8250_config uart_config[] = {
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO | UART_CAP_AFE | UART_CAP_EFR,
},
+ [PORT_BRCM_TRUMANAGE] = {
+ .name = "TruManage",
+ .fifo_size = 1,
+ .tx_loadsz = 1024,
+ .flags = UART_CAP_HFIFO,
+ },
};

#if defined(CONFIG_MIPS_ALCHEMY)
@@ -1511,6 +1517,11 @@ static void transmit_chars(struct uart_8250_port *up)
up->port.icount.tx++;
if (uart_circ_empty(xmit))
break;
+ if (up->capabilities & UART_CAP_HFIFO) {
+ if ((serial_in(up, UART_LSR) & BOTH_EMPTY) !=
+ BOTH_EMPTY)
+ break;
+ }
} while (--count > 0);

if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h
index 6edf4a6..902adcd 100644
--- a/drivers/tty/serial/8250.h
+++ b/drivers/tty/serial/8250.h
@@ -43,6 +43,7 @@ struct serial8250_config {
#define UART_CAP_AFE (1 << 11) /* MCR-based hw flow control */
#define UART_CAP_UUE (1 << 12) /* UART needs IER bit 6 set (Xscale) */
#define UART_CAP_RTOIE (1 << 13) /* UART needs IER bit 4 set (Xscale, Tegra) */
+#define UART_CAP_HFIFO (1 << 14) /* UART has a "hidden" FIFO */

#define UART_BUG_QUOT (1 << 0) /* UART has buggy quot LSB */
#define UART_BUG_TXEN (1 << 1) /* UART has buggy TX IIR status */
diff --git a/drivers/tty/serial/8250_dw.c b/drivers/tty/serial/8250_dw.c
index bf1fba6..b6278c1 100644
--- a/drivers/tty/serial/8250_dw.c
+++ b/drivers/tty/serial/8250_dw.c
@@ -79,7 +79,7 @@ static int dw8250_handle_irq(struct uart_port *p)
} else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
/* Clear the USR and write the LCR again. */
(void)p->serial_in(p, UART_USR);
- p->serial_out(p, d->last_lcr, UART_LCR);
+ p->serial_out(p, UART_LCR, d->last_lcr);

return 1;
}
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index e7d82c1..a753956 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -1077,6 +1077,18 @@ pci_omegapci_setup(struct serial_private *priv,
return setup_port(priv, port, 2, idx * 8, 0);
}

+static int
+pci_brcm_trumanage_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_port *port, int idx)
+{
+ int ret = pci_default_setup(priv, board, port, idx);
+
+ port->type = PORT_BRCM_TRUMANAGE;
+ port->flags = (port->flags | UPF_FIXED_PORT | UPF_FIXED_TYPE);
+ return ret;
+}
+
static int skip_tx_en_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_port *port, int idx)
@@ -1138,6 +1150,7 @@ pci_xr17c154_setup(struct serial_private *priv,
#define PCI_DEVICE_ID_OXSEMI_16PCI958 0x9538
#define PCIE_DEVICE_ID_NEO_2_OX_IBM 0x00F6
#define PCI_DEVICE_ID_PLX_CRONYX_OMEGA 0xc001
+#define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a

/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584
@@ -1672,6 +1685,17 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.setup = pci_omegapci_setup,
},
/*
+ * Broadcom TruManage (NetXtreme)
+ */
+ {
+ .vendor = PCI_VENDOR_ID_BROADCOM,
+ .device = PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_brcm_trumanage_setup,
+ },
+
+ /*
* Default "match everything" terminator entry
*/
{
@@ -1860,6 +1884,7 @@ enum pci_board_num_t {
pbn_ce4100_1_115200,
pbn_omegapci,
pbn_NETMOS9900_2s_115200,
+ pbn_brcm_trumanage,
};

/*
@@ -2566,6 +2591,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
.num_ports = 2,
.base_baud = 115200,
},
+ [pbn_brcm_trumanage] = {
+ .flags = FL_BASE0,
+ .num_ports = 1,
+ .reg_shift = 2,
+ .base_baud = 115200,
+ },
};

static const struct pci_device_id softmodem_blacklist[] = {
@@ -4108,6 +4139,13 @@ static struct pci_device_id serial_pci_tbl[] = {
pbn_omegapci },

/*
+ * Broadcom TruManage
+ */
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_brcm_trumanage },
+
+ /*
* These entries match devices with class COMMUNICATION_SERIAL,
* COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
*/
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 426434e..a6a6777 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -552,6 +552,7 @@ static void ifx_port_shutdown(struct tty_port *port)
container_of(port, struct ifx_spi_device, tty_port);

mrdy_set_low(ifx_dev);
+ del_timer(&ifx_dev->spi_timer);
clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
tasklet_kill(&ifx_dev->io_work_tasklet);
}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index df7f15d..0cdff38 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1509,6 +1509,9 @@ static const struct usb_device_id acm_ids[] = {
{ USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */
.driver_info = NO_UNION_NORMAL,
},
+ { USB_DEVICE(0x05f9, 0x4002), /* PSC Scanning, Magellan 800i */
+ .driver_info = NO_UNION_NORMAL,
+ },
{ USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
},
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a9a74d2..0ff8e9a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -619,6 +619,60 @@ static int hub_hub_status(struct usb_hub *hub,
return ret;
}

+static int hub_set_port_link_state(struct usb_hub *hub, int port1,
+ unsigned int link_status)
+{
+ return set_port_feature(hub->hdev,
+ port1 | (link_status << 3),
+ USB_PORT_FEAT_LINK_STATE);
+}
+
+/*
+ * If USB 3.0 ports are placed into the Disabled state, they will no longer
+ * detect any device connects or disconnects. This is generally not what the
+ * USB core wants, since it expects a disabled port to produce a port status
+ * change event when a new device connects.
+ *
+ * Instead, set the link state to Disabled, wait for the link to settle into
+ * that state, clear any change bits, and then put the port into the RxDetect
+ * state.
+ */
+static int hub_usb3_port_disable(struct usb_hub *hub, int port1)
+{
+ int ret;
+ int total_time;
+ u16 portchange, portstatus;
+
+ if (!hub_is_superspeed(hub->hdev))
+ return -EINVAL;
+
+ ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED);
+ if (ret) {
+ dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n",
+ port1, ret);
+ return ret;
+ }
+
+ /* Wait for the link to enter the disabled state. */
+ for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) {
+ ret = hub_port_status(hub, port1, &portstatus, &portchange);
+ if (ret < 0)
+ return ret;
+
+ if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
+ USB_SS_PORT_LS_SS_DISABLED)
+ break;
+ if (total_time >= HUB_DEBOUNCE_TIMEOUT)
+ break;
+ msleep(HUB_DEBOUNCE_STEP);
+ }
+ if (total_time >= HUB_DEBOUNCE_TIMEOUT)
+ dev_warn(hub->intfdev, "Could not disable port %d after %d ms\n",
+ port1, total_time);
+
+ return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT);
+}
+
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
{
struct usb_device *hdev = hub->hdev;
@@ -627,8 +681,13 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
if (hdev->children[port1-1] && set_state)
usb_set_device_state(hdev->children[port1-1],
USB_STATE_NOTATTACHED);
- if (!hub->error && !hub_is_superspeed(hub->hdev))
- ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_ENABLE);
+ if (!hub->error) {
+ if (hub_is_superspeed(hub->hdev))
+ ret = hub_usb3_port_disable(hub, port1);
+ else
+ ret = clear_port_feature(hdev, port1,
+ USB_PORT_FEAT_ENABLE);
+ }
if (ret)
dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n",
port1, ret);
@@ -2046,7 +2105,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub)
#define HUB_SHORT_RESET_TIME 10
#define HUB_BH_RESET_TIME 50
#define HUB_LONG_RESET_TIME 200
-#define HUB_RESET_TIMEOUT 500
+#define HUB_RESET_TIMEOUT 800

static int hub_port_reset(struct usb_hub *hub, int port1,
struct usb_device *udev, unsigned int delay, bool warm);
@@ -2081,6 +2140,10 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
if (ret < 0)
return ret;

+ /* The port state is unknown until the reset completes. */
+ if ((portstatus & USB_PORT_STAT_RESET))
+ goto delay;
+
/*
* Some buggy devices require a warm reset to be issued even
* when the port appears not to be connected.
@@ -2126,11 +2189,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
if ((portchange & USB_PORT_STAT_C_CONNECTION))
return -ENOTCONN;

- /* if we`ve finished resetting, then break out of
- * the loop
- */
- if (!(portstatus & USB_PORT_STAT_RESET) &&
- (portstatus & USB_PORT_STAT_ENABLE)) {
+ if ((portstatus & USB_PORT_STAT_ENABLE)) {
if (hub_is_wusb(hub))
udev->speed = USB_SPEED_WIRELESS;
else if (hub_is_superspeed(hub->hdev))
@@ -2144,10 +2203,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
return 0;
}
} else {
- if (portchange & USB_PORT_STAT_C_BH_RESET)
- return 0;
+ if (!(portstatus & USB_PORT_STAT_CONNECTION) ||
+ hub_port_warm_reset_required(hub,
+ portstatus))
+ return -ENOTCONN;
+
+ return 0;
}

+delay:
/* switch to the long delay after two short delay failures */
if (delay_time >= 2 * HUB_SHORT_RESET_TIME)
delay = HUB_LONG_RESET_TIME;
@@ -2171,14 +2235,11 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,
msleep(10 + 40);
update_devnum(udev, 0);
hcd = bus_to_hcd(udev->bus);
- if (hcd->driver->reset_device) {
- *status = hcd->driver->reset_device(hcd, udev);
- if (*status < 0) {
- dev_err(&udev->dev, "Cannot reset "
- "HCD device state\n");
- break;
- }
- }
+ /* The xHC may think the device is already reset,
+ * so ignore the status.
+ */
+ if (hcd->driver->reset_device)
+ hcd->driver->reset_device(hcd, udev);
}
/* FALL THROUGH */
case -ENOTCONN:
@@ -2186,16 +2247,16 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,
clear_port_feature(hub->hdev,
port1, USB_PORT_FEAT_C_RESET);
/* FIXME need disconnect() for NOTATTACHED device */
- if (warm) {
+ if (hub_is_superspeed(hub->hdev)) {
clear_port_feature(hub->hdev, port1,
USB_PORT_FEAT_C_BH_PORT_RESET);
clear_port_feature(hub->hdev, port1,
USB_PORT_FEAT_C_PORT_LINK_STATE);
- } else {
+ }
+ if (!warm)
usb_set_device_state(udev, *status
? USB_STATE_NOTATTACHED
: USB_STATE_DEFAULT);
- }
break;
}
}
@@ -2469,7 +2530,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
static int finish_port_resume(struct usb_device *udev)
{
int status = 0;
- u16 devstatus;
+ u16 devstatus = 0;

/* caller owns the udev device lock */
dev_dbg(&udev->dev, "%s\n",
@@ -2514,7 +2575,13 @@ static int finish_port_resume(struct usb_device *udev)
if (status) {
dev_dbg(&udev->dev, "gone after usb resume? status %d\n",
status);
- } else if (udev->actconfig) {
+ /*
+ * There are a few quirky devices which violate the standard
+ * by claiming to have remote wakeup enabled after a reset,
+ * which crash if the feature is cleared, hence check for
+ * udev->reset_resume
+ */
+ } else if (udev->actconfig && !udev->reset_resume) {
le16_to_cpus(&devstatus);
if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) {
status = usb_control_msg(udev,
@@ -3663,9 +3730,14 @@ static void hub_events(void)
* SS.Inactive state.
*/
if (hub_port_warm_reset_required(hub, portstatus)) {
+ int status;
+
dev_dbg(hub_dev, "warm reset port %d\n", i);
- hub_port_reset(hub, i, NULL,
+ status = hub_port_reset(hub, i, NULL,
HUB_BH_RESET_TIME, true);
+ if (status < 0)
+ hub_port_disable(hub, i, 1);
+ connect_change = 0;
}

if (connect_change)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8b2a9d8..3f08c09 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -38,6 +38,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Creative SB Audigy 2 NX */
{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },

+ /* Microsoft LifeCam-VX700 v2.0 */
+ { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Logitech Webcam C200 */
{ USB_DEVICE(0x046d, 0x0802), .driver_info = USB_QUIRK_RESET_RESUME },

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3700aa6..e9637f9 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1277,6 +1277,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc)

if (epnum == 0 || epnum == 1) {
dep->endpoint.maxpacket = 512;
+ dep->endpoint.maxburst = 1;
dep->endpoint.ops = &dwc3_gadget_ep0_ops;
if (!epnum)
dwc->gadget.ep0 = &dep->endpoint;
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index d584eaf..c7423a7 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -126,10 +126,7 @@ static const char ep0name [] = "ep0";
static const char *const ep_name [] = {
ep0name, /* everyone has ep0 */

- /* act like a net2280: high speed, six configurable endpoints */
- "ep-a", "ep-b", "ep-c", "ep-d", "ep-e", "ep-f",
-
- /* or like pxa250: fifteen fixed function endpoints */
+ /* act like a pxa250: fifteen fixed function endpoints */
"ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int",
"ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int",
"ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso",
@@ -137,6 +134,10 @@ static const char *const ep_name [] = {

/* or like sa1100: two fixed function endpoints */
"ep1out-bulk", "ep2in-bulk",
+
+ /* and now some generic EPs so we have enough in multi config */
+ "ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in",
+ "ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out",
};
#define DUMMY_ENDPOINTS ARRAY_SIZE(ep_name)

diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index c8ae199..b6989e4 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -448,6 +448,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
return IRQ_NONE;
uhci_writew(uhci, status, USBSTS); /* Clear it */

+ spin_lock(&uhci->lock);
+ if (unlikely(!uhci->is_initialized)) /* not yet configured */
+ goto done;
+
if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
if (status & USBSTS_HSE)
dev_err(uhci_dev(uhci), "host system error, "
@@ -456,7 +460,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
dev_err(uhci_dev(uhci), "host controller process "
"error, something bad happened!\n");
if (status & USBSTS_HCH) {
- spin_lock(&uhci->lock);
if (uhci->rh_state >= UHCI_RH_RUNNING) {
dev_err(uhci_dev(uhci),
"host controller halted, "
@@ -474,15 +477,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
* pending unlinks */
mod_timer(&hcd->rh_timer, jiffies);
}
- spin_unlock(&uhci->lock);
}
}

- if (status & USBSTS_RD)
+ if (status & USBSTS_RD) {
+ spin_unlock(&uhci->lock);
usb_hcd_poll_rh_status(hcd);
- else {
- spin_lock(&uhci->lock);
+ } else {
uhci_scan_schedule(uhci);
+ done:
spin_unlock(&uhci->lock);
}

@@ -660,9 +663,9 @@ static int uhci_start(struct usb_hcd *hcd)
*/
mb();

+ spin_lock_irq(&uhci->lock);
configure_hc(uhci);
uhci->is_initialized = 1;
- spin_lock_irq(&uhci->lock);
start_rh(uhci);
spin_unlock_irq(&uhci->lock);
return 0;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 978860b..24107a7 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -725,12 +725,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
break;
case USB_PORT_FEAT_LINK_STATE:
temp = xhci_readl(xhci, port_array[wIndex]);
+
+ /* Disable port */
+ if (link_state == USB_SS_PORT_LS_SS_DISABLED) {
+ xhci_dbg(xhci, "Disable port %d\n", wIndex);
+ temp = xhci_port_state_to_neutral(temp);
+ /*
+ * Clear all change bits, so that we get a new
+ * connection event.
+ */
+ temp |= PORT_CSC | PORT_PEC | PORT_WRC |
+ PORT_OCC | PORT_RC | PORT_PLC |
+ PORT_CEC;
+ xhci_writel(xhci, temp | PORT_PE,
+ port_array[wIndex]);
+ temp = xhci_readl(xhci, port_array[wIndex]);
+ break;
+ }
+
+ /* Put link in RxDetect (enable port) */
+ if (link_state == USB_SS_PORT_LS_RX_DETECT) {
+ xhci_dbg(xhci, "Enable port %d\n", wIndex);
+ xhci_set_link_state(xhci, port_array, wIndex,
+ link_state);
+ temp = xhci_readl(xhci, port_array[wIndex]);
+ break;
+ }
+
/* Software should not attempt to set
- * port link state above '5' (Rx.Detect) and the port
+ * port link state above '3' (U3) and the port
* must be enabled.
*/
if ((temp & PORT_PE) == 0 ||
- (link_state > USB_SS_PORT_LS_RX_DETECT)) {
+ (link_state > USB_SS_PORT_LS_U3)) {
xhci_warn(xhci, "Cannot set link state.\n");
goto error;
}
@@ -877,6 +904,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
int max_ports;
__le32 __iomem **port_array;
struct xhci_bus_state *bus_state;
+ bool reset_change = false;

max_ports = xhci_get_ports(hcd, &port_array);
bus_state = &xhci->bus_state[hcd_index(hcd)];
@@ -903,6 +931,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
buf[(i + 1) / 8] |= 1 << (i + 1) % 8;
status = 1;
}
+ if ((temp & PORT_RC))
+ reset_change = true;
+ }
+ if (!status && !reset_change) {
+ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
}
spin_unlock_irqrestore(&xhci->lock, flags);
return status ? retval : 0;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 5719c4d..ee5ec11 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1152,6 +1152,8 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
struct usb_host_endpoint *ep)
{
+ if (ep->desc.bInterval == 0)
+ return 0;
return xhci_microframes_to_exponent(udev, ep,
ep->desc.bInterval, 0, 15);
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1ba98f5..2ed591d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1661,6 +1661,15 @@ cleanup:
if (bogus_port_status)
return;

+ /*
+ * xHCI port-status-change events occur when the "or" of all the
+ * status-change bits in the portsc register changes from 0 to 1.
+ * New status changes won't cause an event if any other change
+ * bits are still set. When an event occurs, switch over to
+ * polling to avoid losing status changes.
+ */
+ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
spin_unlock(&xhci->lock);
/* Pass this up to the core */
usb_hcd_poll_rh_status(hcd);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9dc5870..53c8be1 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -871,6 +871,11 @@ int xhci_suspend(struct xhci_hcd *xhci)
struct usb_hcd *hcd = xhci_to_hcd(xhci);
u32 command;

+ /* Don't poll the roothubs on bus suspend. */
+ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ del_timer_sync(&hcd->rh_timer);
+
spin_lock_irq(&xhci->lock);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
@@ -1055,6 +1060,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
compliance_mode_recovery_timer_init(xhci);

+ /* Re-enable port polling. */
+ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ usb_hcd_poll_rh_status(hcd);
+
return retval;
}
#endif /* CONFIG_PM */
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 920f04e..641caf8 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2372,10 +2372,7 @@ static int __init musb_init(void)
if (usb_disabled())
return 0;

- pr_info("%s: version " MUSB_VERSION ", "
- "?dma?"
- ", "
- "otg (peripheral+host)",
+ pr_info("%s: version " MUSB_VERSION ", ?dma?, otg (peripheral+host)\n",
musb_driver_name);
return platform_driver_probe(&musb_driver, musb_probe);
}
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 3f989d6..2cc7c18 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -881,6 +881,8 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
+ /* Crucible Devices */
+ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index aedf65f..dd6edf8 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1259,3 +1259,9 @@
* ATI command output: Cinterion MC55i
*/
#define FTDI_CINTERION_MC55I_PID 0xA951
+
+/*
+ * Product: Comet Caller ID decoder
+ * Manufacturer: Crucible Technologies
+ */
+#define FTDI_CT_COMET_PID 0x8e08
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 8a90d58..3de751d 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -558,6 +558,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
wait_queue_t wait;
unsigned long flags;

+ if (!tty)
+ return;
+
if (!timeout)
timeout = (HZ * EDGE_CLOSING_WAIT)/100;

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 872807b..9db3e23 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -288,6 +288,7 @@ static void option_instat_callback(struct urb *urb);
#define ALCATEL_VENDOR_ID 0x1bbb
#define ALCATEL_PRODUCT_X060S_X200 0x0000
#define ALCATEL_PRODUCT_X220_X500D 0x0017
+#define ALCATEL_PRODUCT_L100V 0x011e

#define PIRELLI_VENDOR_ID 0x1266
#define PIRELLI_PRODUCT_C100_1 0x1002
@@ -429,9 +430,12 @@ static void option_instat_callback(struct urb *urb);
#define MEDIATEK_VENDOR_ID 0x0e8d
#define MEDIATEK_PRODUCT_DC_1COM 0x00a0
#define MEDIATEK_PRODUCT_DC_4COM 0x00a5
+#define MEDIATEK_PRODUCT_DC_4COM2 0x00a7
#define MEDIATEK_PRODUCT_DC_5COM 0x00a4
#define MEDIATEK_PRODUCT_7208_1COM 0x7101
#define MEDIATEK_PRODUCT_7208_2COM 0x7102
+#define MEDIATEK_PRODUCT_7103_2COM 0x7103
+#define MEDIATEK_PRODUCT_7106_2COM 0x7106
#define MEDIATEK_PRODUCT_FP_1COM 0x0003
#define MEDIATEK_PRODUCT_FP_2COM 0x0023
#define MEDIATEK_PRODUCT_FPDC_1COM 0x0043
@@ -441,6 +445,14 @@ static void option_instat_callback(struct urb *urb);
#define CELLIENT_VENDOR_ID 0x2692
#define CELLIENT_PRODUCT_MEN200 0x9005

+/* Hyundai Petatel Inc. products */
+#define PETATEL_VENDOR_ID 0x1ff4
+#define PETATEL_PRODUCT_NP10T 0x600e
+
+/* TP-LINK Incorporated products */
+#define TPLINK_VENDOR_ID 0x2357
+#define TPLINK_PRODUCT_MA180 0x0201
+
/* some devices interfaces need special handling due to a number of reasons */
enum option_blacklist_reason {
OPTION_BLACKLIST_NONE = 0,
@@ -922,8 +934,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
@@ -1190,6 +1204,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&alcatel_x200_blacklist
},
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) },
+ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
@@ -1294,7 +1310,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7103_2COM, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
+ { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
+ { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 6873bb6..2263144 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -226,6 +226,8 @@ compose_mount_options_out:
compose_mount_options_err:
kfree(mountdata);
mountdata = ERR_PTR(rc);
+ kfree(*devname);
+ *devname = NULL;
goto compose_mount_options_out;
}

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index a86873e..31df53e 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -289,11 +289,31 @@ out_nofree:
return mnt;
}

+static int
+nfs_namespace_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+{
+ if (NFS_FH(dentry->d_inode)->size != 0)
+ return nfs_getattr(mnt, dentry, stat);
+ generic_fillattr(dentry->d_inode, stat);
+ return 0;
+}
+
+static int
+nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ if (NFS_FH(dentry->d_inode)->size != 0)
+ return nfs_setattr(dentry, attr);
+ return -EACCES;
+}
+
const struct inode_operations nfs_mountpoint_inode_operations = {
.getattr = nfs_getattr,
+ .setattr = nfs_setattr,
};

const struct inode_operations nfs_referral_inode_operations = {
+ .getattr = nfs_namespace_getattr,
+ .setattr = nfs_namespace_setattr,
};

static void nfs_expire_automounts(struct work_struct *work)
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 07354b7..b2e1136 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1583,8 +1583,18 @@ static int nfs4_reset_session(struct nfs_client *clp)

nfs4_begin_drain_session(clp);
status = nfs4_proc_destroy_session(clp->cl_session);
- if (status && status != -NFS4ERR_BADSESSION &&
- status != -NFS4ERR_DEADSESSION) {
+ switch (status) {
+ case 0:
+ case -NFS4ERR_BADSESSION:
+ case -NFS4ERR_DEADSESSION:
+ break;
+ case -NFS4ERR_BACK_CHAN_BUSY:
+ case -NFS4ERR_DELAY:
+ set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
+ status = 0;
+ ssleep(1);
+ goto out;
+ default:
status = nfs4_recovery_handle_error(clp, status);
goto out;
}
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 574d4ee..b367581 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -88,11 +88,11 @@ xfs_destroy_ioend(
}

if (ioend->io_iocb) {
+ inode_dio_done(ioend->io_inode);
if (ioend->io_isasync) {
aio_complete(ioend->io_iocb, ioend->io_error ?
ioend->io_error : ioend->io_result, 0);
}
- inode_dio_done(ioend->io_inode);
}

mempool_free(ioend, xfs_ioend_pool);
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 1328d8c..1721c41 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -364,17 +364,30 @@ extern int __init efi_setup_pcdp_console(char *);
#endif

/*
- * We play games with efi_enabled so that the compiler will, if possible, remove
- * EFI-related code altogether.
+ * We play games with efi_enabled so that the compiler will, if
+ * possible, remove EFI-related code altogether.
*/
+#define EFI_BOOT 0 /* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */
+#define EFI_MEMMAP 4 /* Can we use EFI memory map? */
+#define EFI_64BIT 5 /* Is the firmware 64-bit? */
+
#ifdef CONFIG_EFI
# ifdef CONFIG_X86
- extern int efi_enabled;
+extern int efi_enabled(int facility);
# else
-# define efi_enabled 1
+static inline int efi_enabled(int facility)
+{
+ return 1;
+}
# endif
#else
-# define efi_enabled 0
+static inline int efi_enabled(int facility)
+{
+ return 0;
+}
#endif

/*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index eadf33d..8bec265 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -47,7 +47,8 @@
#define PORT_U6_16550A 19 /* ST-Ericsson U6xxx internal UART */
#define PORT_TEGRA 20 /* NVIDIA Tegra internal UART */
#define PORT_XR17D15X 21 /* Exar XR17D15x UART */
-#define PORT_MAX_8250 21 /* max port ID */
+#define PORT_BRCM_TRUMANAGE 22
+#define PORT_MAX_8250 22 /* max port ID */

/*
* ARM specific type numbers. These are not currently guaranteed
diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 3891139..ce4c665 100644
--- a/include/linux/syslog.h
+++ b/include/linux/syslog.h
@@ -47,6 +47,12 @@
#define SYSLOG_FROM_CALL 0
#define SYSLOG_FROM_FILE 1

+/*
+ * Syslog priority (PRI) maximum length in char : '<[0-9]{1,3}>'
+ * See RFC5424 for details
+*/
+#define SYSLOG_PRI_MAX_LENGTH 5
+
int do_syslog(int type, char __user *buf, int count, bool from_file);

#endif /* _LINUX_SYSLOG_H */
diff --git a/init/main.c b/init/main.c
index cb08fea2..5d0eb1d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -606,7 +606,7 @@ asmlinkage void __init start_kernel(void)
pidmap_init();
anon_vma_init();
#ifdef CONFIG_X86
- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
efi_enter_virtual_mode();
#endif
thread_info_cache_init();
diff --git a/kernel/printk.c b/kernel/printk.c
index 7982a0a..c0d12ea 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -633,8 +633,19 @@ static void call_console_drivers(unsigned start, unsigned end)
start_print = start;
while (cur_index != end) {
if (msg_level < 0 && ((end - cur_index) > 2)) {
+ /*
+ * prepare buf_prefix, as a contiguous array,
+ * to be processed by log_prefix function
+ */
+ char buf_prefix[SYSLOG_PRI_MAX_LENGTH+1];
+ unsigned i;
+ for (i = 0; i < ((end - cur_index)) && (i < SYSLOG_PRI_MAX_LENGTH); i++) {
+ buf_prefix[i] = LOG_BUF(cur_index + i);
+ }
+ buf_prefix[i] = '\0'; /* force '\0' as last string character */
+
/* strip log prefix */
- cur_index += log_prefix(&LOG_BUF(cur_index), &msg_level, NULL);
+ cur_index += log_prefix((const char *)&buf_prefix, &msg_level, NULL);
start_print = cur_index;
}
while (cur_index != end) {
diff --git a/kernel/smp.c b/kernel/smp.c
index db197d6..9e800b2 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -31,6 +31,7 @@ struct call_function_data {
struct call_single_data csd;
atomic_t refs;
cpumask_var_t cpumask;
+ cpumask_var_t cpumask_ipi;
};

static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
@@ -54,6 +55,9 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
cpu_to_node(cpu)))
return notifier_from_errno(-ENOMEM);
+ if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
+ cpu_to_node(cpu)))
+ return notifier_from_errno(-ENOMEM);
break;

#ifdef CONFIG_HOTPLUG_CPU
@@ -63,6 +67,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
case CPU_DEAD:
case CPU_DEAD_FROZEN:
free_cpumask_var(cfd->cpumask);
+ free_cpumask_var(cfd->cpumask_ipi);
break;
#endif
};
@@ -524,6 +529,12 @@ void smp_call_function_many(const struct cpumask *mask,
return;
}

+ /*
+ * After we put an entry into the list, data->cpumask
+ * may be cleared again when another CPU sends another IPI for
+ * a SMP function call, so data->cpumask will be zero.
+ */
+ cpumask_copy(data->cpumask_ipi, data->cpumask);
raw_spin_lock_irqsave(&call_function.lock, flags);
/*
* Place entry at the _HEAD_ of the list, so that any cpu still
@@ -547,7 +558,7 @@ void smp_call_function_many(const struct cpumask *mask,
smp_mb();

/* Send a message to all CPUs in the map */
- arch_send_call_function_ipi_mask(data->cpumask);
+ arch_send_call_function_ipi_mask(data->cpumask_ipi);

/* Optionally wait for the CPUs to complete */
if (wait)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 54dba59..4b1a96b 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3482,7 +3482,7 @@ static int ftrace_module_notify(struct notifier_block *self,

struct notifier_block ftrace_module_nb = {
.notifier_call = ftrace_module_notify,
- .priority = 0,
+ .priority = INT_MAX, /* Run before anything that can use kprobes */
};

extern unsigned long __start_mcount_loc[];
diff --git a/mm/compaction.c b/mm/compaction.c
index 46973fb..5f8ec82 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -714,14 +714,12 @@ static int compact_node(int nid)
}

/* Compact all nodes in the system */
-static int compact_nodes(void)
+static void compact_nodes(void)
{
int nid;

for_each_online_node(nid)
compact_node(nid);
-
- return COMPACT_COMPLETE;
}

/* The written value is actually unused, all memory is compacted */
@@ -732,7 +730,7 @@ int sysctl_compaction_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *length, loff_t *ppos)
{
if (write)
- return compact_nodes();
+ compact_nodes();

return 0;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a88dded..4d3a697 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5532,7 +5532,7 @@ static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn)
pfn &= (PAGES_PER_SECTION-1);
return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS;
#else
- pfn = pfn - zone->zone_start_pfn;
+ pfn = pfn - round_down(zone->zone_start_pfn, pageblock_nr_pages);
return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS;
#endif /* CONFIG_SPARSEMEM */
}
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 075a3e9..0274157 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -945,7 +945,7 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->version = req->version;
hid->country = req->country;

- strncpy(hid->name, req->name, 128);
+ strncpy(hid->name, req->name, sizeof(req->name) - 1);
strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64);
strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64);

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 1c775f0..488600c 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1021,7 +1021,7 @@ void sta_info_init(struct ieee80211_local *local)

void sta_info_stop(struct ieee80211_local *local)
{
- del_timer(&local->sta_cleanup);
+ del_timer_sync(&local->sta_cleanup);
sta_info_flush(local, NULL);
}

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 56c3f85..18c5a50 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -918,8 +918,7 @@ static void rpc_async_release(struct work_struct *work)

static void rpc_release_resources_task(struct rpc_task *task)
{
- if (task->tk_rqstp)
- xprt_release(task);
+ xprt_release(task);
if (task->tk_msg.rpc_cred) {
put_rpccred(task->tk_msg.rpc_cred);
task->tk_msg.rpc_cred = NULL;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ffba207..6c91208 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1132,10 +1132,18 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
void xprt_release(struct rpc_task *task)
{
struct rpc_xprt *xprt;
- struct rpc_rqst *req;
+ struct rpc_rqst *req = task->tk_rqstp;

- if (!(req = task->tk_rqstp))
+ if (req == NULL) {
+ if (task->tk_client) {
+ rcu_read_lock();
+ xprt = rcu_dereference(task->tk_client->cl_xprt);
+ if (xprt->snd_task == task)
+ xprt_release_write(xprt, task);
+ rcu_read_unlock();
+ }
return;
+ }

xprt = req->rq_xprt;
rpc_count_iostats(task);
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 8738def..e76a470 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -175,9 +175,9 @@ int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
&xattr_data,
sizeof(xattr_data), 0);
- }
- else if (rc == -ENODATA)
+ } else if (rc == -ENODATA && inode->i_op->removexattr) {
rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
+ }
return rc;
}

diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
index d1aa421..52a4318 100644
--- a/sound/arm/pxa2xx-ac97-lib.c
+++ b/sound/arm/pxa2xx-ac97-lib.c
@@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/gpio.h>

#include <sound/ac97_codec.h>
#include <sound/pxa2xx-lib.h>
@@ -147,6 +148,8 @@ static inline void pxa_ac97_warm_pxa27x(void)

static inline void pxa_ac97_cold_pxa27x(void)
{
+ unsigned int timeout;
+
GCR &= GCR_COLD_RST; /* clear everything but nCRST */
GCR &= ~GCR_COLD_RST; /* then assert nCRST */

@@ -156,8 +159,10 @@ static inline void pxa_ac97_cold_pxa27x(void)
clk_enable(ac97conf_clk);
udelay(5);
clk_disable(ac97conf_clk);
- GCR = GCR_COLD_RST;
- udelay(50);
+ GCR = GCR_COLD_RST | GCR_WARM_RST;
+ timeout = 100; /* wait for the codec-ready bit to be set */
+ while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--)
+ mdelay(1);
}
#endif

@@ -339,8 +344,21 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)
}

if (cpu_is_pxa27x()) {
- /* Use GPIO 113 as AC97 Reset on Bulverde */
+ /*
+ * This gpio is needed for a work-around to a bug in the ac97
+ * controller during warm reset. The direction and level is set
+ * here so that it is an output driven high when switching from
+ * AC97_nRESET alt function to generic gpio.
+ */
+ ret = gpio_request_one(reset_gpio, GPIOF_OUT_INIT_HIGH,
+ "pxa27x ac97 reset");
+ if (ret < 0) {
+ pr_err("%s: gpio_request_one() failed: %d\n",
+ __func__, ret);
+ goto err_conf;
+ }
pxa27x_assert_ac97reset(reset_gpio, 0);
+
ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
if (IS_ERR(ac97conf_clk)) {
ret = PTR_ERR(ac97conf_clk);
@@ -383,6 +401,8 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_probe);

void pxa2xx_ac97_hw_remove(struct platform_device *dev)
{
+ if (cpu_is_pxa27x())
+ gpio_free(reset_gpio);
GCR |= GCR_ACLINK_OFF;
free_irq(IRQ_AC97, NULL);
if (ac97conf_clk) {
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index a1e312f..a166a85 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -569,29 +569,43 @@ static char *driver_short_names[] __devinitdata = {
#define get_azx_dev(substream) (substream->runtime->private_data)

#ifdef CONFIG_X86
-static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on)
+static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
{
+ int pages;
+
if (azx_snoop(chip))
return;
- if (addr && size) {
- int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ if (!dmab || !dmab->area || !dmab->bytes)
+ return;
+
+#ifdef CONFIG_SND_DMA_SGBUF
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
+ struct snd_sg_buf *sgbuf = dmab->private_data;
if (on)
- set_memory_wc((unsigned long)addr, pages);
+ set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
else
- set_memory_wb((unsigned long)addr, pages);
+ set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
+ return;
}
+#endif
+
+ pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ if (on)
+ set_memory_wc((unsigned long)dmab->area, pages);
+ else
+ set_memory_wb((unsigned long)dmab->area, pages);
}

static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
bool on)
{
- __mark_pages_wc(chip, buf->area, buf->bytes, on);
+ __mark_pages_wc(chip, buf, on);
}
static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
- struct snd_pcm_runtime *runtime, bool on)
+ struct snd_pcm_substream *substream, bool on)
{
if (azx_dev->wc_marked != on) {
- __mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on);
+ __mark_pages_wc(chip, substream->runtime->dma_buffer_p, on);
azx_dev->wc_marked = on;
}
}
@@ -602,7 +616,7 @@ static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
{
}
static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
- struct snd_pcm_runtime *runtime, bool on)
+ struct snd_pcm_substream *substream, bool on)
{
}
#endif
@@ -1776,11 +1790,10 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
- struct snd_pcm_runtime *runtime = substream->runtime;
struct azx_dev *azx_dev = get_azx_dev(substream);
int ret;

- mark_runtime_wc(chip, azx_dev, runtime, false);
+ mark_runtime_wc(chip, azx_dev, substream, false);
azx_dev->bufsize = 0;
azx_dev->period_bytes = 0;
azx_dev->format_val = 0;
@@ -1788,7 +1801,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
params_buffer_bytes(hw_params));
if (ret < 0)
return ret;
- mark_runtime_wc(chip, azx_dev, runtime, true);
+ mark_runtime_wc(chip, azx_dev, substream, true);
return ret;
}

@@ -1797,7 +1810,6 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx_dev *azx_dev = get_azx_dev(substream);
struct azx *chip = apcm->chip;
- struct snd_pcm_runtime *runtime = substream->runtime;
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];

/* reset BDL address */
@@ -1810,7 +1822,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)

snd_hda_codec_cleanup(apcm->codec, hinfo, substream);

- mark_runtime_wc(chip, azx_dev, runtime, false);
+ mark_runtime_wc(chip, azx_dev, substream, false);
return snd_pcm_lib_free_pages(substream);
}

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 498b62e..c9269ce 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -592,24 +592,12 @@ static int conexant_build_controls(struct hda_codec *codec)
return 0;
}

-#ifdef CONFIG_SND_HDA_POWER_SAVE
-static int conexant_suspend(struct hda_codec *codec, pm_message_t state)
-{
- snd_hda_shutup_pins(codec);
- return 0;
-}
-#endif
-
static const struct hda_codec_ops conexant_patch_ops = {
.build_controls = conexant_build_controls,
.build_pcms = conexant_build_pcms,
.init = conexant_init,
.free = conexant_free,
.set_power_state = conexant_set_power,
-#ifdef CONFIG_SND_HDA_POWER_SAVE
- .suspend = conexant_suspend,
-#endif
- .reboot_notify = snd_hda_shutup_pins,
};

#ifdef CONFIG_SND_HDA_INPUT_BEEP
@@ -4429,10 +4417,6 @@ static const struct hda_codec_ops cx_auto_patch_ops = {
.init = cx_auto_init,
.free = conexant_free,
.unsol_event = cx_auto_unsol_event,
-#ifdef CONFIG_SND_HDA_POWER_SAVE
- .suspend = conexant_suspend,
-#endif
- .reboot_notify = snd_hda_shutup_pins,
};

/*
@@ -4614,6 +4598,18 @@ static const struct hda_codec_preset snd_hda_preset_conexant[] = {
.patch = patch_conexant_auto },
{ .id = 0x14f150b9, .name = "CX20665",
.patch = patch_conexant_auto },
+ { .id = 0x14f1510f, .name = "CX20751/2",
+ .patch = patch_conexant_auto },
+ { .id = 0x14f15110, .name = "CX20751/2",
+ .patch = patch_conexant_auto },
+ { .id = 0x14f15111, .name = "CX20753/4",
+ .patch = patch_conexant_auto },
+ { .id = 0x14f15113, .name = "CX20755",
+ .patch = patch_conexant_auto },
+ { .id = 0x14f15114, .name = "CX20756",
+ .patch = patch_conexant_auto },
+ { .id = 0x14f15115, .name = "CX20757",
+ .patch = patch_conexant_auto },
{} /* terminator */
};

@@ -4634,6 +4630,12 @@ MODULE_ALIAS("snd-hda-codec-id:14f150ab");
MODULE_ALIAS("snd-hda-codec-id:14f150ac");
MODULE_ALIAS("snd-hda-codec-id:14f150b8");
MODULE_ALIAS("snd-hda-codec-id:14f150b9");
+MODULE_ALIAS("snd-hda-codec-id:14f1510f");
+MODULE_ALIAS("snd-hda-codec-id:14f15110");
+MODULE_ALIAS("snd-hda-codec-id:14f15111");
+MODULE_ALIAS("snd-hda-codec-id:14f15113");
+MODULE_ALIAS("snd-hda-codec-id:14f15114");
+MODULE_ALIAS("snd-hda-codec-id:14f15115");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Conexant HD-audio codec");
diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c
index a3b9cbb..ba03dc2 100644
--- a/sound/soc/codecs/wm2000.c
+++ b/sound/soc/codecs/wm2000.c
@@ -224,9 +224,9 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue)

ret = wm2000_read(i2c, WM2000_REG_SPEECH_CLARITY);
if (wm2000->speech_clarity)
- ret &= ~WM2000_SPEECH_CLARITY;
- else
ret |= WM2000_SPEECH_CLARITY;
+ else
+ ret &= ~WM2000_SPEECH_CLARITY;
wm2000_write(i2c, WM2000_REG_SPEECH_CLARITY, ret);

wm2000_write(i2c, WM2000_REG_SYS_START0, 0x33);
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index 42d9039..a0cda1b 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1446,15 +1446,9 @@ static int wm5100_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
case SND_SOC_DAIFMT_DSP_A:
mask = 0;
break;
- case SND_SOC_DAIFMT_DSP_B:
- mask = 1;
- break;
case SND_SOC_DAIFMT_I2S:
mask = 2;
break;
- case SND_SOC_DAIFMT_LEFT_J:
- mask = 3;
- break;
default:
dev_err(codec->dev, "Unsupported DAI format %d\n",
fmt & SND_SOC_DAIFMT_FORMAT_MASK);
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 24c5114..9ab2b3e 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -148,10 +148,8 @@ void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force)
int i;

/* stop urbs (to be sure) */
- if (!subs->stream->chip->shutdown) {
- deactivate_urbs(subs, force, 1);
- wait_clear_urbs(subs);
- }
+ deactivate_urbs(subs, force, 1);
+ wait_clear_urbs(subs);

for (i = 0; i < MAX_URBS; i++)
release_urb_ctx(&subs->dataurb[i]);
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6730a33..9121dee 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1239,16 +1239,23 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
}
channels = (hdr->bLength - 7) / csize - 1;
bmaControls = hdr->bmaControls;
+ if (hdr->bLength < 7 + csize) {
+ snd_printk(KERN_ERR "usbaudio: unit %u: "
+ "invalid UAC_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
} else {
struct uac2_feature_unit_descriptor *ftr = _ftr;
csize = 4;
channels = (hdr->bLength - 6) / 4 - 1;
bmaControls = ftr->bmaControls;
- }
-
- if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) {
- snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
- return -EINVAL;
+ if (hdr->bLength < 6 + csize) {
+ snd_printk(KERN_ERR "usbaudio: unit %u: "
+ "invalid UAC_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
}

/* parse the source unit */
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index a3ddac0..1b275f0 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -383,11 +383,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
* rules
*/
err = usb_driver_set_configuration(dev, 2);
- if (err < 0) {
+ if (err < 0)
snd_printdd("error usb_driver_set_configuration: %d\n",
err);
- return -ENODEV;
- }
+ /* Always return an error, so that we stop creating a device
+ that will just be destroyed and recreated with a new
+ configuration */
+ return -ENODEV;
} else
snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");

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