diff --git a/Makefile b/Makefile
index d2bff2d5ae25..0efae2279fbe 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 18
-SUBLEVEL = 6
+SUBLEVEL = 7
 EXTRAVERSION =
 NAME = Diseased Newt
 
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e0278ecbc816..98960b7bc518 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -368,7 +368,7 @@
        };
 
        i2s1: i2s@13960000 {
-               compatible = "samsung,s5pv210-i2s";
+               compatible = "samsung,s3c6410-i2s";
                reg = <0x13960000 0x100>;
                clocks = <&clock CLK_I2S1>;
                clock-names = "iis";
@@ -378,7 +378,7 @@
        };
 
        i2s2: i2s@13970000 {
-               compatible = "samsung,s5pv210-i2s";
+               compatible = "samsung,s3c6410-i2s";
                reg = <0x13970000 0x100>;
                clocks = <&clock CLK_I2S2>;
                clock-names = "iis";
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 6eb97b3a7481..4370933f16cd 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -144,21 +144,17 @@ static void flush_context(unsigned int cpu)
        /* Update the list of reserved ASIDs and the ASID bitmap. */
        bitmap_clear(asid_map, 0, NUM_USER_ASIDS);
        for_each_possible_cpu(i) {
-               if (i == cpu) {
-                       asid = 0;
-               } else {
-                       asid = atomic64_xchg(&per_cpu(active_asids, i), 0);
-                       /*
-                        * If this CPU has already been through a
-                        * rollover, but hasn't run another task in
-                        * the meantime, we must preserve its reserved
-                        * ASID, as this is the only trace we have of
-                        * the process it is still running.
-                        */
-                       if (asid == 0)
-                               asid = per_cpu(reserved_asids, i);
-                       __set_bit(asid & ~ASID_MASK, asid_map);
-               }
+               asid = atomic64_xchg(&per_cpu(active_asids, i), 0);
+               /*
+                * If this CPU has already been through a
+                * rollover, but hasn't run another task in
+                * the meantime, we must preserve its reserved
+                * ASID, as this is the only trace we have of
+                * the process it is still running.
+                */
+               if (asid == 0)
+                       asid = per_cpu(reserved_asids, i);
+               __set_bit(asid & ~ASID_MASK, asid_map);
                per_cpu(reserved_asids, i) = asid;
        }
 
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 64c4f0800ee3..38eead12f35b 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -43,6 +43,7 @@
 #include <linux/of_fdt.h>
 #include <linux/of_platform.h>
 #include <linux/efi.h>
+#include <linux/personality.h>
 
 #include <asm/fixmap.h>
 #include <asm/cpu.h>
@@ -79,7 +80,6 @@ unsigned int compat_elf_hwcap2 __read_mostly;
 #endif
 
 static const char *cpu_name;
-static const char *machine_name;
 phys_addr_t __fdt_pointer __initdata;
 
 /*
@@ -311,8 +311,6 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys)
                while (true)
                        cpu_relax();
        }
-
-       machine_name = of_flat_dt_get_machine_name();
 }
 
 /*
@@ -449,14 +447,50 @@ static const char *hwcap_str[] = {
        NULL
 };
 
+#ifdef CONFIG_COMPAT
+static const char *compat_hwcap_str[] = {
+       "swp",
+       "half",
+       "thumb",
+       "26bit",
+       "fastmult",
+       "fpa",
+       "vfp",
+       "edsp",
+       "java",
+       "iwmmxt",
+       "crunch",
+       "thumbee",
+       "neon",
+       "vfpv3",
+       "vfpv3d16",
+       "tls",
+       "vfpv4",
+       "idiva",
+       "idivt",
+       "vfpd32",
+       "lpae",
+       "evtstrm"
+};
+
+static const char *compat_hwcap2_str[] = {
+       "aes",
+       "pmull",
+       "sha1",
+       "sha2",
+       "crc32",
+       NULL
+};
+#endif /* CONFIG_COMPAT */
+
 static int c_show(struct seq_file *m, void *v)
 {
-       int i;
-
-       seq_printf(m, "Processor\t: %s rev %d (%s)\n",
-                  cpu_name, read_cpuid_id() & 15, ELF_PLATFORM);
+       int i, j;
 
        for_each_online_cpu(i) {
+               struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
+               u32 midr = cpuinfo->reg_midr;
+
                /*
                 * glibc reads /proc/cpuinfo to determine the number of
                 * online processors, looking for lines beginning with
@@ -465,24 +499,38 @@ static int c_show(struct seq_file *m, void *v)
 #ifdef CONFIG_SMP
                seq_printf(m, "processor\t: %d\n", i);
 #endif
-       }
-
-       /* dump out the processor features */
-       seq_puts(m, "Features\t: ");
-
-       for (i = 0; hwcap_str[i]; i++)
-               if (elf_hwcap & (1 << i))
-                       seq_printf(m, "%s ", hwcap_str[i]);
-
-       seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24);
-       seq_printf(m, "CPU architecture: AArch64\n");
-       seq_printf(m, "CPU variant\t: 0x%x\n", (read_cpuid_id() >> 20) & 15);
-       seq_printf(m, "CPU part\t: 0x%03x\n", (read_cpuid_id() >> 4) & 0xfff);
-       seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
 
-       seq_puts(m, "\n");
-
-       seq_printf(m, "Hardware\t: %s\n", machine_name);
+               /*
+                * Dump out the common processor features in a single line.
+                * Userspace should read the hwcaps with getauxval(AT_HWCAP)
+                * rather than attempting to parse this, but there's a body of
+                * software which does already (at least for 32-bit).
+                */
+               seq_puts(m, "Features\t:");
+               if (personality(current->personality) == PER_LINUX32) {
+#ifdef CONFIG_COMPAT
+                       for (j = 0; compat_hwcap_str[j]; j++)
+                               if (compat_elf_hwcap & (1 << j))
+                                       seq_printf(m, " %s", 
compat_hwcap_str[j]);
+
+                       for (j = 0; compat_hwcap2_str[j]; j++)
+                               if (compat_elf_hwcap2 & (1 << j))
+                                       seq_printf(m, " %s", 
compat_hwcap2_str[j]);
+#endif /* CONFIG_COMPAT */
+               } else {
+                       for (j = 0; hwcap_str[j]; j++)
+                               if (elf_hwcap & (1 << j))
+                                       seq_printf(m, " %s", hwcap_str[j]);
+               }
+               seq_puts(m, "\n");
+
+               seq_printf(m, "CPU implementer\t: 0x%02x\n",
+                          MIDR_IMPLEMENTOR(midr));
+               seq_printf(m, "CPU architecture: 8\n");
+               seq_printf(m, "CPU variant\t: 0x%x\n", MIDR_VARIANT(midr));
+               seq_printf(m, "CPU part\t: 0x%03x\n", MIDR_PARTNUM(midr));
+               seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
+       }
 
        return 0;
 }
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index ecd903dd1c45..8b1eeffa12ed 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -240,9 +240,7 @@ static int octeon_cpu_disable(void)
 
        set_cpu_online(cpu, false);
        cpu_clear(cpu, cpu_callin_map);
-       local_irq_disable();
        octeon_fixup_irqs();
-       local_irq_enable();
 
        flush_cache_all();
        local_flush_tlb_all();
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 22a135ac91de..f38ca68285ea 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1343,12 +1343,27 @@ do {                                                    
                \
        __res;                                                          \
 })
 
+#define _write_32bit_cp1_register(dest, val, gas_hardfloat)            \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    reorder                                 \n"     \
+       "       "STR(gas_hardfloat)"                            \n"     \
+       "       ctc1    %0,"STR(dest)"                          \n"     \
+       "       .set    pop                                     \n"     \
+       : : "r" (val));                                                 \
+} while (0)
+
 #ifdef GAS_HAS_SET_HARDFLOAT
 #define read_32bit_cp1_register(source)                                        
\
        _read_32bit_cp1_register(source, .set hardfloat)
+#define write_32bit_cp1_register(dest, val)                            \
+       _write_32bit_cp1_register(dest, val, .set hardfloat)
 #else
 #define read_32bit_cp1_register(source)                                        
\
        _read_32bit_cp1_register(source, )
+#define write_32bit_cp1_register(dest, val)                            \
+       _write_32bit_cp1_register(dest, val, )
 #endif
 
 #ifdef HAVE_AS_DSP
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index e498f2b3646a..f5598e25e906 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -56,6 +56,8 @@ static struct irq_chip mips_cpu_irq_controller = {
        .irq_mask_ack   = mask_mips_irq,
        .irq_unmask     = unmask_mips_irq,
        .irq_eoi        = unmask_mips_irq,
+       .irq_disable    = mask_mips_irq,
+       .irq_enable     = unmask_mips_irq,
 };
 
 /*
@@ -92,6 +94,8 @@ static struct irq_chip mips_mt_cpu_irq_controller = {
        .irq_mask_ack   = mips_mt_cpu_irq_ack,
        .irq_unmask     = unmask_mips_irq,
        .irq_eoi        = unmask_mips_irq,
+       .irq_disable    = mask_mips_irq,
+       .irq_enable     = unmask_mips_irq,
 };
 
 void __init mips_cpu_irq_init(void)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index c94c4e92e17d..1c0d8c50b7e1 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -123,10 +123,10 @@ asmlinkage void start_secondary(void)
        unsigned int cpu;
 
        cpu_probe();
-       cpu_report();
        per_cpu_trap_init(false);
        mips_clockevent_init();
        mp_ops->init_secondary();
+       cpu_report();
 
        /*
         * XXX parity protection should be folded in here when it's converted
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 22b19c275044..d255a2a1837a 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1184,7 +1184,8 @@ static int enable_restore_fp_context(int msa)
 
                /* Restore the scalar FP control & status register */
                if (!was_fpu_owner)
-                       asm volatile("ctc1 %0, $31" : : 
"r"(current->thread.fpu.fcr31));
+                       write_32bit_cp1_register(CP1_STATUS,
+                                                current->thread.fpu.fcr31);
        }
 
 out:
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index c3917e251f59..11688e50e3ee 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -489,6 +489,8 @@ static void r4k_tlb_configure(void)
 #ifdef CONFIG_64BIT
                pg |= PG_ELPA;
 #endif
+               if (cpu_has_rixiex)
+                       pg |= PG_IEC;
                write_c0_pagegrain(pg);
        }
 
diff --git a/arch/x86/kernel/cpu/microcode/core.c 
b/arch/x86/kernel/cpu/microcode/core.c
index 15c29096136b..36a83617eb21 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -552,7 +552,7 @@ static int __init microcode_init(void)
        int error;
 
        if (paravirt_enabled() || dis_ucode_ldr)
-               return 0;
+               return -EINVAL;
 
        if (c->x86_vendor == X86_VENDOR_INTEL)
                microcode_ops = init_intel_microcode();
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index a8612aafeca1..4d8ee827cb14 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -844,11 +844,8 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, 
unsigned long address,
          unsigned int fault)
 {
        struct task_struct *tsk = current;
-       struct mm_struct *mm = tsk->mm;
        int code = BUS_ADRERR;
 
-       up_read(&mm->mmap_sem);
-
        /* Kernel mode? Handle exceptions or die: */
        if (!(error_code & PF_USER)) {
                no_context(regs, error_code, address, SIGBUS, BUS_ADRERR);
@@ -879,7 +876,6 @@ mm_fault_error(struct pt_regs *regs, unsigned long 
error_code,
               unsigned long address, unsigned int fault)
 {
        if (fatal_signal_pending(current) && !(error_code & PF_USER)) {
-               up_read(&current->mm->mmap_sem);
                no_context(regs, error_code, address, 0, 0);
                return;
        }
@@ -887,14 +883,11 @@ mm_fault_error(struct pt_regs *regs, unsigned long 
error_code,
        if (fault & VM_FAULT_OOM) {
                /* Kernel mode? Handle exceptions or die: */
                if (!(error_code & PF_USER)) {
-                       up_read(&current->mm->mmap_sem);
                        no_context(regs, error_code, address,
                                   SIGSEGV, SEGV_MAPERR);
                        return;
                }
 
-               up_read(&current->mm->mmap_sem);
-
                /*
                 * We ran out of memory, call the OOM killer, and return the
                 * userspace (which will retry the fault, or kill us if we got
@@ -1249,6 +1242,7 @@ good_area:
                return;
 
        if (unlikely(fault & VM_FAULT_ERROR)) {
+               up_read(&mm->mmap_sem);
                mm_fault_error(regs, error_code, address, fault);
                return;
        }
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 7b20bccf3648..2fb384724ebb 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -448,6 +448,22 @@ static const struct dmi_system_id pciprobe_dmi_table[] 
__initconst = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "ftServer"),
                },
        },
+        {
+                .callback = set_scan_all,
+                .ident = "Stratus/NEC ftServer",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R32"),
+                },
+        },
+        {
+                .callback = set_scan_all,
+                .ident = "Stratus/NEC ftServer",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R31"),
+                },
+        },
        {}
 };
 
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 8488e2fd307c..36bc42942e89 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -785,9 +785,11 @@ static int mcp230xx_probe(struct i2c_client *client,
                client->irq = irq_of_parse_and_map(client->dev.of_node, 0);
        } else {
                pdata = dev_get_platdata(&client->dev);
-               if (!pdata || !gpio_is_valid(pdata->base)) {
-                       dev_dbg(&client->dev, "invalid platform data\n");
-                       return -EINVAL;
+               if (!pdata) {
+                       pdata = devm_kzalloc(&client->dev,
+                                       sizeof(struct mcp23s08_platform_data),
+                                       GFP_KERNEL);
+                       pdata->base = -1;
                }
        }
 
@@ -908,10 +910,11 @@ static int mcp23s08_probe(struct spi_device *spi)
        } else {
                type = spi_get_device_id(spi)->driver_data;
                pdata = dev_get_platdata(&spi->dev);
-               if (!pdata || !gpio_is_valid(pdata->base)) {
-                       dev_dbg(&spi->dev,
-                                       "invalid or missing platform data\n");
-                       return -EINVAL;
+               if (!pdata) {
+                       pdata = devm_kzalloc(&spi->dev,
+                                       sizeof(struct mcp23s08_platform_data),
+                                       GFP_KERNEL);
+                       pdata->base = -1;
                }
 
                for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) {
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 0d21396f961d..aed7dd6e9dca 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -630,6 +630,7 @@ int gpiod_export_link(struct device *dev, const char *name,
                if (tdev != NULL) {
                        status = sysfs_create_link(&dev->kobj, &tdev->kobj,
                                                name);
+                       put_device(tdev);
                } else {
                        status = -ENODEV;
                }
@@ -677,7 +678,7 @@ int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int 
value)
        }
 
        status = sysfs_set_active_low(desc, dev, value);
-
+       put_device(dev);
 unlock:
        mutex_unlock(&sysfs_lock);
 
diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c 
b/drivers/gpu/drm/radeon/radeon_benchmark.c
index 9e7f23dd14bd..87d5fb21cb61 100644
--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -34,7 +34,8 @@
 
 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
                                    uint64_t saddr, uint64_t daddr,
-                                   int flag, int n)
+                                   int flag, int n,
+                                   struct reservation_object *resv)
 {
        unsigned long start_jiffies;
        unsigned long end_jiffies;
@@ -47,12 +48,12 @@ static int radeon_benchmark_do_move(struct radeon_device 
*rdev, unsigned size,
                case RADEON_BENCHMARK_COPY_DMA:
                        fence = radeon_copy_dma(rdev, saddr, daddr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                               NULL);
+                                               resv);
                        break;
                case RADEON_BENCHMARK_COPY_BLIT:
                        fence = radeon_copy_blit(rdev, saddr, daddr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                resv);
                        break;
                default:
                        DRM_ERROR("Unknown copy method\n");
@@ -120,7 +121,8 @@ static void radeon_benchmark_move(struct radeon_device 
*rdev, unsigned size,
 
        if (rdev->asic->copy.dma) {
                time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
-                                               RADEON_BENCHMARK_COPY_DMA, n);
+                                               RADEON_BENCHMARK_COPY_DMA, n,
+                                               dobj->tbo.resv);
                if (time < 0)
                        goto out_cleanup;
                if (time > 0)
@@ -130,7 +132,8 @@ static void radeon_benchmark_move(struct radeon_device 
*rdev, unsigned size,
 
        if (rdev->asic->copy.blit) {
                time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
-                                               RADEON_BENCHMARK_COPY_BLIT, n);
+                                               RADEON_BENCHMARK_COPY_BLIT, n,
+                                               dobj->tbo.resv);
                if (time < 0)
                        goto out_cleanup;
                if (time > 0)
diff --git a/drivers/gpu/drm/radeon/radeon_display.c 
b/drivers/gpu/drm/radeon/radeon_display.c
index 00ead8c2758a..2e1e9aa79cea 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -959,6 +959,9 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV &&
            pll->flags & RADEON_PLL_USE_REF_DIV)
                ref_div_max = pll->reference_div;
+       else if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP)
+               /* fix for problems on RS880 */
+               ref_div_max = min(pll->max_ref_div, 7u);
        else
                ref_div_max = pll->max_ref_div;
 
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c 
b/drivers/gpu/drm/radeon/radeon_gem.c
index c194497aa586..b4abff67c63f 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -146,7 +146,8 @@ int radeon_gem_object_open(struct drm_gem_object *obj, 
struct drm_file *file_pri
        struct radeon_bo_va *bo_va;
        int r;
 
-       if (rdev->family < CHIP_CAYMAN) {
+       if ((rdev->family < CHIP_CAYMAN) ||
+           (!rdev->accel_working)) {
                return 0;
        }
 
@@ -176,7 +177,8 @@ void radeon_gem_object_close(struct drm_gem_object *obj,
        struct radeon_bo_va *bo_va;
        int r;
 
-       if (rdev->family < CHIP_CAYMAN) {
+       if ((rdev->family < CHIP_CAYMAN) ||
+           (!rdev->accel_working)) {
                return;
        }
 
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c 
b/drivers/gpu/drm/radeon/radeon_kms.c
index 03586763ee86..8ec652722e4f 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -598,14 +598,14 @@ int radeon_driver_open_kms(struct drm_device *dev, struct 
drm_file *file_priv)
                        return -ENOMEM;
                }
 
-               vm = &fpriv->vm;
-               r = radeon_vm_init(rdev, vm);
-               if (r) {
-                       kfree(fpriv);
-                       return r;
-               }
-
                if (rdev->accel_working) {
+                       vm = &fpriv->vm;
+                       r = radeon_vm_init(rdev, vm);
+                       if (r) {
+                               kfree(fpriv);
+                               return r;
+                       }
+
                        r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
                        if (r) {
                                radeon_vm_fini(rdev, vm);
@@ -663,9 +663,9 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
                                        radeon_vm_bo_rmv(rdev, vm->ib_bo_va);
                                radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
                        }
+                       radeon_vm_fini(rdev, vm);
                }
 
-               radeon_vm_fini(rdev, vm);
                kfree(fpriv);
                file_priv->driver_priv = NULL;
        }
diff --git a/drivers/gpu/drm/radeon/radeon_test.c 
b/drivers/gpu/drm/radeon/radeon_test.c
index 07b506b41008..791818165c76 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -119,11 +119,11 @@ static void radeon_do_test_moves(struct radeon_device 
*rdev, int flag)
                if (ring == R600_RING_TYPE_DMA_INDEX)
                        fence = radeon_copy_dma(rdev, gtt_addr, vram_addr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                               NULL);
+                                               vram_obj->tbo.resv);
                else
                        fence = radeon_copy_blit(rdev, gtt_addr, vram_addr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                vram_obj->tbo.resv);
                if (IS_ERR(fence)) {
                        DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
                        r = PTR_ERR(fence);
@@ -170,11 +170,11 @@ static void radeon_do_test_moves(struct radeon_device 
*rdev, int flag)
                if (ring == R600_RING_TYPE_DMA_INDEX)
                        fence = radeon_copy_dma(rdev, vram_addr, gtt_addr,
                                                size / RADEON_GPU_PAGE_SIZE,
-                                               NULL);
+                                               vram_obj->tbo.resv);
                else
                        fence = radeon_copy_blit(rdev, vram_addr, gtt_addr,
                                                 size / RADEON_GPU_PAGE_SIZE,
-                                                NULL);
+                                                vram_obj->tbo.resv);
                if (IS_ERR(fence)) {
                        DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
                        r = PTR_ERR(fence);
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c 
b/drivers/gpu/drm/radeon/radeon_vm.c
index dfde266529e2..afbdf9e685d1 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -753,9 +753,11 @@ static void radeon_vm_frag_ptes(struct radeon_device *rdev,
         */
 
        /* NI is optimized for 256KB fragments, SI and newer for 64KB */
-       uint64_t frag_flags = rdev->family == CHIP_CAYMAN ?
+       uint64_t frag_flags = ((rdev->family == CHIP_CAYMAN) ||
+                              (rdev->family == CHIP_ARUBA)) ?
                        R600_PTE_FRAG_256KB : R600_PTE_FRAG_64KB;
-       uint64_t frag_align = rdev->family == CHIP_CAYMAN ? 0x200 : 0x80;
+       uint64_t frag_align = ((rdev->family == CHIP_CAYMAN) ||
+                              (rdev->family == CHIP_ARUBA)) ? 0x200 : 0x80;
 
        uint64_t frag_start = ALIGN(pe_start, frag_align);
        uint64_t frag_end = pe_end & ~(frag_align - 1);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c1b0d52bfcb0..b98765f6f77f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3195,6 +3195,11 @@ static void handle_stripe_dirtying(struct r5conf *conf,
                                          (unsigned long long)sh->sector,
                                          rcw, qread, test_bit(STRIPE_DELAYED, 
&sh->state));
        }
+
+       if (rcw > disks && rmw > disks &&
+           !test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
+               set_bit(STRIPE_DELAYED, &sh->state);
+
        /* now if nothing is locked, and if we have enough data,
         * we can start a write request
         */
diff --git a/drivers/pci/host/pcie-designware.c 
b/drivers/pci/host/pcie-designware.c
index dfed00aa3ac0..f0fcbceee209 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -283,6 +283,9 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct 
pci_dev *pdev,
        struct msi_msg msg;
        struct pcie_port *pp = sys_to_pcie(pdev->bus->sysdata);
 
+       if (desc->msi_attrib.is_msix)
+               return -EINVAL;
+
        irq = assign_irq(1, desc, &pos);
        if (irq < 0)
                return irq;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b72e2cdfd59a..04ea682ab2aa 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -324,18 +324,52 @@ static void quirk_s3_64M(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,     PCI_DEVICE_ID_S3_868,           
quirk_s3_64M);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,     PCI_DEVICE_ID_S3_968,           
quirk_s3_64M);
 
+static void quirk_io(struct pci_dev *dev, int pos, unsigned size,
+                    const char *name)
+{
+       u32 region;
+       struct pci_bus_region bus_region;
+       struct resource *res = dev->resource + pos;
+
+       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + (pos << 2), &region);
+
+       if (!region)
+               return;
+
+       res->name = pci_name(dev);
+       res->flags = region & ~PCI_BASE_ADDRESS_IO_MASK;
+       res->flags |=
+               (IORESOURCE_IO | IORESOURCE_PCI_FIXED | IORESOURCE_SIZEALIGN);
+       region &= ~(size - 1);
+
+       /* Convert from PCI bus to resource space */
+       bus_region.start = region;
+       bus_region.end = region + size - 1;
+       pcibios_bus_to_resource(dev->bus, res, &bus_region);
+
+       dev_info(&dev->dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
+                name, PCI_BASE_ADDRESS_0 + (pos << 2), res);
+}
+
 /*
  * Some CS5536 BIOSes (for example, the Soekris NET5501 board w/ comBIOS
  * ver. 1.33  20070103) don't set the correct ISA PCI region header info.
  * BAR0 should be 8 bytes; instead, it may be set to something like 8k
  * (which conflicts w/ BAR1's memory range).
+ *
+ * CS553x's ISA PCI BARs may also be read-only (ref:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=85991 - Comment #4 forward).
  */
 static void quirk_cs5536_vsa(struct pci_dev *dev)
 {
+       static char *name = "CS5536 ISA bridge";
+
        if (pci_resource_len(dev, 0) != 8) {
-               struct resource *res = &dev->resource[0];
-               res->end = res->start + 8 - 1;
-               dev_info(&dev->dev, "CS5536 ISA bridge bug detected (incorrect 
header); workaround applied\n");
+               quirk_io(dev, 0,   8, name);    /* SMB */
+               quirk_io(dev, 1, 256, name);    /* GPIO */
+               quirk_io(dev, 2,  64, name);    /* MFGPT */
+               dev_info(&dev->dev, "%s bug detected (incorrect header); 
workaround applied\n",
+                        name);
        }
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, 
quirk_cs5536_vsa);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index cfba74cd8e8b..dd8c8d690763 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2818,9 +2818,11 @@ static int sd_revalidate_disk(struct gendisk *disk)
         */
        sd_set_flush_flag(sdkp);
 
-       max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue),
-                               sdkp->max_xfer_blocks);
+       max_xfer = sdkp->max_xfer_blocks;
        max_xfer <<= ilog2(sdp->sector_size) - 9;
+
+       max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue),
+                               max_xfer);
        blk_queue_max_hw_sectors(sdkp->disk->queue, max_xfer);
        set_capacity(disk, sdkp->capacity);
        sd_config_write_same(sdkp);
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 831ceb4a91f6..276a3cf864d7 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -342,8 +342,7 @@ static int dspi_setup_transfer(struct spi_device *spi, 
struct spi_transfer *t)
        /* Only alloc on first setup */
        chip = spi_get_ctldata(spi);
        if (chip == NULL) {
-               chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data),
-                                   GFP_KERNEL);
+               chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
                if (!chip)
                        return -ENOMEM;
        }
@@ -382,6 +381,16 @@ static int dspi_setup(struct spi_device *spi)
        return dspi_setup_transfer(spi, NULL);
 }
 
+static void dspi_cleanup(struct spi_device *spi)
+{
+       struct chip_data *chip = spi_get_ctldata((struct spi_device *)spi);
+
+       dev_dbg(&spi->dev, "spi_device %u.%u cleanup\n",
+                       spi->master->bus_num, spi->chip_select);
+
+       kfree(chip);
+}
+
 static irqreturn_t dspi_interrupt(int irq, void *dev_id)
 {
        struct fsl_dspi *dspi = (struct fsl_dspi *)dev_id;
@@ -467,6 +476,7 @@ static int dspi_probe(struct platform_device *pdev)
        dspi->bitbang.master->setup = dspi_setup;
        dspi->bitbang.master->dev.of_node = pdev->dev.of_node;
 
+       master->cleanup = dspi_cleanup;
        master->mode_bits = SPI_CPOL | SPI_CPHA;
        master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) |
                                        SPI_BPW_MASK(16);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 3637847b5370..82269a86fd7a 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -823,6 +823,10 @@ static int spi_imx_sdma_init(struct device *dev, struct 
spi_imx_data *spi_imx,
        struct dma_slave_config slave_config = {};
        int ret;
 
+       /* use pio mode for i.mx6dl chip TKT238285 */
+       if (of_machine_is_compatible("fsl,imx6dl"))
+               return 0;
+
        /* Prepare for TX DMA: */
        master->dma_tx = dma_request_slave_channel(dev, "tx");
        if (!master->dma_tx) {
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 3e4d00a06c44..9a7b6947874a 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -366,6 +366,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
        struct cifsLockInfo *li, *tmp;
        struct cifs_fid fid;
        struct cifs_pending_open open;
+       bool oplock_break_cancelled;
 
        spin_lock(&cifs_file_list_lock);
        if (--cifs_file->count > 0) {
@@ -397,7 +398,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
        }
        spin_unlock(&cifs_file_list_lock);
 
-       cancel_work_sync(&cifs_file->oplock_break);
+       oplock_break_cancelled = cancel_work_sync(&cifs_file->oplock_break);
 
        if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
                struct TCP_Server_Info *server = tcon->ses->server;
@@ -409,6 +410,9 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
                _free_xid(xid);
        }
 
+       if (oplock_break_cancelled)
+               cifs_done_oplock_break(cifsi);
+
        cifs_del_pending_open(&open);
 
        /*
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 91093cd74f0d..385704027575 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -141,7 +141,6 @@ enum {
  * @ti_save: Backup of journal_info field of task_struct
  * @ti_flags: Flags
  * @ti_count: Nest level
- * @ti_garbage:        List of inode to be put when releasing semaphore
  */
 struct nilfs_transaction_info {
        u32                     ti_magic;
@@ -150,7 +149,6 @@ struct nilfs_transaction_info {
                                   one of other filesystems has a bug. */
        unsigned short          ti_flags;
        unsigned short          ti_count;
-       struct list_head        ti_garbage;
 };
 
 /* ti_magic */
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 7ef18fc656c2..469086b9f99b 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -305,7 +305,6 @@ static void nilfs_transaction_lock(struct super_block *sb,
        ti->ti_count = 0;
        ti->ti_save = cur_ti;
        ti->ti_magic = NILFS_TI_MAGIC;
-       INIT_LIST_HEAD(&ti->ti_garbage);
        current->journal_info = ti;
 
        for (;;) {
@@ -332,8 +331,6 @@ static void nilfs_transaction_unlock(struct super_block *sb)
 
        up_write(&nilfs->ns_segctor_sem);
        current->journal_info = ti->ti_save;
-       if (!list_empty(&ti->ti_garbage))
-               nilfs_dispose_list(nilfs, &ti->ti_garbage, 0);
 }
 
 static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci,
@@ -746,6 +743,15 @@ static void nilfs_dispose_list(struct the_nilfs *nilfs,
        }
 }
 
+static void nilfs_iput_work_func(struct work_struct *work)
+{
+       struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info,
+                                                sc_iput_work);
+       struct the_nilfs *nilfs = sci->sc_super->s_fs_info;
+
+       nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0);
+}
+
 static int nilfs_test_metadata_dirty(struct the_nilfs *nilfs,
                                     struct nilfs_root *root)
 {
@@ -1900,8 +1906,8 @@ static int nilfs_segctor_collect_dirty_files(struct 
nilfs_sc_info *sci,
 static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
                                             struct the_nilfs *nilfs)
 {
-       struct nilfs_transaction_info *ti = current->journal_info;
        struct nilfs_inode_info *ii, *n;
+       int defer_iput = false;
 
        spin_lock(&nilfs->ns_inode_lock);
        list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) {
@@ -1912,9 +1918,24 @@ static void nilfs_segctor_drop_written_files(struct 
nilfs_sc_info *sci,
                clear_bit(NILFS_I_BUSY, &ii->i_state);
                brelse(ii->i_bh);
                ii->i_bh = NULL;
-               list_move_tail(&ii->i_dirty, &ti->ti_garbage);
+               list_del_init(&ii->i_dirty);
+               if (!ii->vfs_inode.i_nlink) {
+                       /*
+                        * Defer calling iput() to avoid a deadlock
+                        * over I_SYNC flag for inodes with i_nlink == 0
+                        */
+                       list_add_tail(&ii->i_dirty, &sci->sc_iput_queue);
+                       defer_iput = true;
+               } else {
+                       spin_unlock(&nilfs->ns_inode_lock);
+                       iput(&ii->vfs_inode);
+                       spin_lock(&nilfs->ns_inode_lock);
+               }
        }
        spin_unlock(&nilfs->ns_inode_lock);
+
+       if (defer_iput)
+               schedule_work(&sci->sc_iput_work);
 }
 
 /*
@@ -2583,6 +2604,8 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct 
super_block *sb,
        INIT_LIST_HEAD(&sci->sc_segbufs);
        INIT_LIST_HEAD(&sci->sc_write_logs);
        INIT_LIST_HEAD(&sci->sc_gc_inodes);
+       INIT_LIST_HEAD(&sci->sc_iput_queue);
+       INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func);
        init_timer(&sci->sc_timer);
 
        sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT;
@@ -2609,6 +2632,8 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info 
*sci)
                ret = nilfs_segctor_construct(sci, SC_LSEG_SR);
                nilfs_transaction_unlock(sci->sc_super);
 
+               flush_work(&sci->sc_iput_work);
+
        } while (ret && retrycount-- > 0);
 }
 
@@ -2633,6 +2658,9 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info 
*sci)
                || sci->sc_seq_request != sci->sc_seq_done);
        spin_unlock(&sci->sc_state_lock);
 
+       if (flush_work(&sci->sc_iput_work))
+               flag = true;
+
        if (flag || !nilfs_segctor_confirm(sci))
                nilfs_segctor_write_out(sci);
 
@@ -2642,6 +2670,12 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info 
*sci)
                nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1);
        }
 
+       if (!list_empty(&sci->sc_iput_queue)) {
+               nilfs_warning(sci->sc_super, __func__,
+                             "iput queue is not empty\n");
+               nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1);
+       }
+
        WARN_ON(!list_empty(&sci->sc_segbufs));
        WARN_ON(!list_empty(&sci->sc_write_logs));
 
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 38a1d0013314..a48d6de1e02c 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -26,6 +26,7 @@
 #include <linux/types.h>
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
+#include <linux/workqueue.h>
 #include <linux/nilfs2_fs.h>
 #include "nilfs.h"
 
@@ -92,6 +93,8 @@ struct nilfs_segsum_pointer {
  * @sc_nblk_inc: Block count of current generation
  * @sc_dirty_files: List of files to be written
  * @sc_gc_inodes: List of GC inodes having blocks to be written
+ * @sc_iput_queue: list of inodes for which iput should be done
+ * @sc_iput_work: work struct to defer iput call
  * @sc_freesegs: array of segment numbers to be freed
  * @sc_nfreesegs: number of segments on @sc_freesegs
  * @sc_dsync_inode: inode whose data pages are written for a sync operation
@@ -135,6 +138,8 @@ struct nilfs_sc_info {
 
        struct list_head        sc_dirty_files;
        struct list_head        sc_gc_inodes;
+       struct list_head        sc_iput_queue;
+       struct work_struct      sc_iput_work;
 
        __u64                  *sc_freesegs;
        size_t                  sc_nfreesegs;
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index e08e21e5f601..c72851328ca9 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -173,7 +173,7 @@ extern void syscall_unregfunc(void);
                                TP_PROTO(data_proto),                   \
                                TP_ARGS(data_args),                     \
                                TP_CONDITION(cond),,);                  \
-               if (IS_ENABLED(CONFIG_LOCKDEP)) {                       \
+               if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) {             \
                        rcu_read_lock_sched_notrace();                  \
                        rcu_dereference_sched(__tracepoint_##name.funcs);\
                        rcu_read_unlock_sched_notrace();                \
diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h
index 2609048c1d44..3a34f6edc2d1 100644
--- a/include/sound/ak4113.h
+++ b/include/sound/ak4113.h
@@ -286,7 +286,7 @@ struct ak4113 {
        ak4113_write_t *write;
        ak4113_read_t *read;
        void *private_data;
-       unsigned int init:1;
+       atomic_t wq_processing;
        spinlock_t lock;
        unsigned char regmap[AK4113_WRITABLE_REGS];
        struct snd_kcontrol *kctls[AK4113_CONTROLS];
diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 52f02a60dba7..069299a88915 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -168,7 +168,7 @@ struct ak4114 {
        ak4114_write_t * write;
        ak4114_read_t * read;
        void * private_data;
-       unsigned int init: 1;
+       atomic_t wq_processing;
        spinlock_t lock;
        unsigned char regmap[6];
        unsigned char txcsb[5];
diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h
index 13391d288107..0e7635765153 100644
--- a/include/trace/events/tlb.h
+++ b/include/trace/events/tlb.h
@@ -13,11 +13,13 @@
        { TLB_LOCAL_SHOOTDOWN,          "local shootdown" },            \
        { TLB_LOCAL_MM_SHOOTDOWN,       "local mm shootdown" }
 
-TRACE_EVENT(tlb_flush,
+TRACE_EVENT_CONDITION(tlb_flush,
 
        TP_PROTO(int reason, unsigned long pages),
        TP_ARGS(reason, pages),
 
+       TP_CONDITION(cpu_online(smp_processor_id())),
+
        TP_STRUCT__entry(
                __field(          int, reason)
                __field(unsigned long,  pages)
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index eb89e1807408..60d35ac5d3f1 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -279,6 +279,7 @@ int smpboot_register_percpu_thread(struct 
smp_hotplug_thread *plug_thread)
        unsigned int cpu;
        int ret = 0;
 
+       get_online_cpus();
        mutex_lock(&smpboot_threads_lock);
        for_each_online_cpu(cpu) {
                ret = __smpboot_create_thread(plug_thread, cpu);
@@ -291,6 +292,7 @@ int smpboot_register_percpu_thread(struct 
smp_hotplug_thread *plug_thread)
        list_add(&plug_thread->list, &hotplug_threads);
 out:
        mutex_unlock(&smpboot_threads_lock);
+       put_online_cpus();
        return ret;
 }
 EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 37e50aadd471..d8c724cda37b 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -122,7 +122,7 @@ static void hrtimer_get_softirq_time(struct 
hrtimer_cpu_base *base)
        mono = ktime_get_update_offsets_tick(&off_real, &off_boot, &off_tai);
        boot = ktime_add(mono, off_boot);
        xtim = ktime_add(mono, off_real);
-       tai = ktime_add(xtim, off_tai);
+       tai = ktime_add(mono, off_tai);
 
        base->clock_base[HRTIMER_BASE_REALTIME].softirq_time = xtim;
        base->clock_base[HRTIMER_BASE_MONOTONIC].softirq_time = mono;
diff --git a/lib/checksum.c b/lib/checksum.c
index 129775eb6de6..8b39e86dbab5 100644
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -181,6 +181,15 @@ csum_partial_copy(const void *src, void *dst, int len, 
__wsum sum)
 EXPORT_SYMBOL(csum_partial_copy);
 
 #ifndef csum_tcpudp_nofold
+static inline u32 from64to32(u64 x)
+{
+       /* add up 32-bit and 32-bit for 32+c bit */
+       x = (x & 0xffffffff) + (x >> 32);
+       /* add up carry.. */
+       x = (x & 0xffffffff) + (x >> 32);
+       return (u32)x;
+}
+
 __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
                        unsigned short len,
                        unsigned short proto,
@@ -195,8 +204,7 @@ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
 #else
        s += (proto + len) << 8;
 #endif
-       s += (s >> 32);
-       return (__force __wsum)s;
+       return (__force __wsum)from64to32(s);
 }
 EXPORT_SYMBOL(csum_tcpudp_nofold);
 #endif
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4918b6eefae2..d72bdc3ca09b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6589,7 +6589,7 @@ void mem_cgroup_uncharge_list(struct list_head *page_list)
  * mem_cgroup_migrate - migrate a charge to another page
  * @oldpage: currently charged page
  * @newpage: page to transfer the charge to
- * @lrucare: both pages might be on the LRU already
+ * @lrucare: either or both pages might be on the LRU already
  *
  * Migrate the charge from @oldpage to @newpage.
  *
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index ad83195521f2..b264bda46e1b 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -199,7 +199,10 @@ int walk_page_range(unsigned long addr, unsigned long end,
                         */
                        if ((vma->vm_start <= addr) &&
                            (vma->vm_flags & VM_PFNMAP)) {
-                               next = vma->vm_end;
+                               if (walk->pte_hole)
+                                       err = walk->pte_hole(addr, next, walk);
+                               if (err)
+                                       break;
                                pgd = pgd_offset(walk->mm, next);
                                continue;
                        }
diff --git a/mm/shmem.c b/mm/shmem.c
index 185836ba53ef..0b4ba556703a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1013,7 +1013,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t 
gfp,
                 */
                oldpage = newpage;
        } else {
-               mem_cgroup_migrate(oldpage, newpage, false);
+               mem_cgroup_migrate(oldpage, newpage, true);
                lru_cache_add_anon(newpage);
                *pagep = newpage;
        }
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index a26cc5d2a9b0..72c9dba84c5d 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property 
*prop,
 {
        int i, j;
        struct menu *submenu[8], *menu, *location = NULL;
-       struct jump_key *jump;
+       struct jump_key *jump = NULL;
 
        str_printf(r, _("Prompt: %s\n"), _(prop->text));
        menu = prop->menu->parent;
@@ -586,7 +586,7 @@ static void get_prompt_str(struct gstr *r, struct property 
*prop,
                str_printf(r, _("  Location:\n"));
                for (j = 4; --i >= 0; j += 2) {
                        menu = submenu[i];
-                       if (head && location && menu == location)
+                       if (jump && menu == location)
                                jump->offset = strlen(r->s);
                        str_printf(r, "%*c-> %s", j, ' ',
                                   _(menu_get_prompt(menu)));
diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c
index 1a3a6fa27158..c6bba99a90b2 100644
--- a/sound/i2c/other/ak4113.c
+++ b/sound/i2c/other/ak4113.c
@@ -56,8 +56,7 @@ static inline unsigned char reg_read(struct ak4113 *ak4113, 
unsigned char reg)
 
 static void snd_ak4113_free(struct ak4113 *chip)
 {
-       chip->init = 1; /* don't schedule new work */
-       mb();
+       atomic_inc(&chip->wq_processing);       /* don't schedule new work */
        cancel_delayed_work_sync(&chip->work);
        kfree(chip);
 }
@@ -89,6 +88,7 @@ int snd_ak4113_create(struct snd_card *card, ak4113_read_t 
*read,
        chip->write = write;
        chip->private_data = private_data;
        INIT_DELAYED_WORK(&chip->work, ak4113_stats);
+       atomic_set(&chip->wq_processing, 0);
 
        for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
                chip->regmap[reg] = pgm[reg];
@@ -139,13 +139,11 @@ static void ak4113_init_regs(struct ak4113 *chip)
 
 void snd_ak4113_reinit(struct ak4113 *chip)
 {
-       chip->init = 1;
-       mb();
-       flush_delayed_work(&chip->work);
+       if (atomic_inc_return(&chip->wq_processing) == 1)
+               cancel_delayed_work_sync(&chip->work);
        ak4113_init_regs(chip);
        /* bring up statistics / event queing */
-       chip->init = 0;
-       if (chip->kctls[0])
+       if (atomic_dec_and_test(&chip->wq_processing))
                schedule_delayed_work(&chip->work, HZ / 10);
 }
 EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
@@ -632,8 +630,9 @@ static void ak4113_stats(struct work_struct *work)
 {
        struct ak4113 *chip = container_of(work, struct ak4113, work.work);
 
-       if (!chip->init)
+       if (atomic_inc_return(&chip->wq_processing) == 1)
                snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
 
-       schedule_delayed_work(&chip->work, HZ / 10);
+       if (atomic_dec_and_test(&chip->wq_processing))
+               schedule_delayed_work(&chip->work, HZ / 10);
 }
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index c7f56339415d..b70e6eccbd03 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -66,8 +66,7 @@ static void reg_dump(struct ak4114 *ak4114)
 
 static void snd_ak4114_free(struct ak4114 *chip)
 {
-       chip->init = 1; /* don't schedule new work */
-       mb();
+       atomic_inc(&chip->wq_processing);       /* don't schedule new work */
        cancel_delayed_work_sync(&chip->work);
        kfree(chip);
 }
@@ -100,6 +99,7 @@ int snd_ak4114_create(struct snd_card *card,
        chip->write = write;
        chip->private_data = private_data;
        INIT_DELAYED_WORK(&chip->work, ak4114_stats);
+       atomic_set(&chip->wq_processing, 0);
 
        for (reg = 0; reg < 6; reg++)
                chip->regmap[reg] = pgm[reg];
@@ -152,13 +152,11 @@ static void ak4114_init_regs(struct ak4114 *chip)
 
 void snd_ak4114_reinit(struct ak4114 *chip)
 {
-       chip->init = 1;
-       mb();
-       flush_delayed_work(&chip->work);
+       if (atomic_inc_return(&chip->wq_processing) == 1)
+               cancel_delayed_work_sync(&chip->work);
        ak4114_init_regs(chip);
        /* bring up statistics / event queing */
-       chip->init = 0;
-       if (chip->kctls[0])
+       if (atomic_dec_and_test(&chip->wq_processing))
                schedule_delayed_work(&chip->work, HZ / 10);
 }
 
@@ -612,10 +610,10 @@ static void ak4114_stats(struct work_struct *work)
 {
        struct ak4114 *chip = container_of(work, struct ak4114, work.work);
 
-       if (!chip->init)
+       if (atomic_inc_return(&chip->wq_processing) == 1)
                snd_ak4114_check_rate_and_errors(chip, chip->check_flags);
-
-       schedule_delayed_work(&chip->work, HZ / 10);
+       if (atomic_dec_and_test(&chip->wq_processing))
+               schedule_delayed_work(&chip->work, HZ / 10);
 }
 
 EXPORT_SYMBOL(snd_ak4114_create);
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index f403f399808a..51413e239cc3 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -345,7 +345,6 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream 
*substream,
        struct atmel_pcm_dma_params *dma_params;
        int dir, channels, bits;
        u32 tfmr, rfmr, tcmr, rcmr;
-       int start_event;
        int ret;
        int fslen, fslen_ext;
 
@@ -454,19 +453,10 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream 
*substream,
                 * The SSC transmit clock is obtained from the BCLK signal on
                 * on the TK line, and the SSC receive clock is
                 * generated from the transmit clock.
-                *
-                *  For single channel data, one sample is transferred
-                * on the falling edge of the LRC clock.
-                * For two channel data, one sample is
-                * transferred on both edges of the LRC clock.
                 */
-               start_event = ((channels == 1)
-                               ? SSC_START_FALLING_RF
-                               : SSC_START_EDGE_RF);
-
                rcmr =    SSC_BF(RCMR_PERIOD, 0)
                        | SSC_BF(RCMR_STTDLY, START_DELAY)
-                       | SSC_BF(RCMR_START, start_event)
+                       | SSC_BF(RCMR_START, SSC_START_FALLING_RF)
                        | SSC_BF(RCMR_CKI, SSC_CKI_RISING)
                        | SSC_BF(RCMR_CKO, SSC_CKO_NONE)
                        | SSC_BF(RCMR_CKS, ssc->clk_from_rk_pin ?
@@ -475,14 +465,14 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream 
*substream,
                rfmr =    SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
                        | SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
                        | SSC_BF(RFMR_FSLEN, 0)
-                       | SSC_BF(RFMR_DATNB, 0)
+                       | SSC_BF(RFMR_DATNB, (channels - 1))
                        | SSC_BIT(RFMR_MSBF)
                        | SSC_BF(RFMR_LOOP, 0)
                        | SSC_BF(RFMR_DATLEN, (bits - 1));
 
                tcmr =    SSC_BF(TCMR_PERIOD, 0)
                        | SSC_BF(TCMR_STTDLY, START_DELAY)
-                       | SSC_BF(TCMR_START, start_event)
+                       | SSC_BF(TCMR_START, SSC_START_FALLING_RF)
                        | SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
                        | SSC_BF(TCMR_CKO, SSC_CKO_NONE)
                        | SSC_BF(TCMR_CKS, ssc->clk_from_rk_pin ?
@@ -492,7 +482,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream 
*substream,
                        | SSC_BF(TFMR_FSDEN, 0)
                        | SSC_BF(TFMR_FSOS, SSC_FSOS_NONE)
                        | SSC_BF(TFMR_FSLEN, 0)
-                       | SSC_BF(TFMR_DATNB, 0)
+                       | SSC_BF(TFMR_DATNB, (channels - 1))
                        | SSC_BIT(TFMR_MSBF)
                        | SSC_BF(TFMR_DATDEF, 0)
                        | SSC_BF(TFMR_DATLEN, (bits - 1));
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index dab9b15304af..f1287ff8dd29 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1452,6 +1452,9 @@ static int sgtl5000_i2c_probe(struct i2c_client *client,
        if (ret)
                return ret;
 
+       /* Need 8 clocks before I2C accesses */
+       udelay(1);
+
        /* read chip information */
        ret = regmap_read(sgtl5000->regmap, SGTL5000_CHIP_ID, &reg);
        if (ret)
--
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