137 files changed, 770 insertions, 688 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 854ed5ca7e3f..d6e6724446c8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2706,10 +2706,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        functions are at fixed addresses, they make nice
                        targets for exploits that can control RIP.
-                        emulate     [default] Vsyscalls turn into traps and are
+                        emulate     Vsyscalls turn into traps and are emulated
-                                    emulated reasonably safely.
+                                    reasonably safely.
-                        native      Vsyscalls are native syscall instructions.
+                        native      [default] Vsyscalls are native syscall
+                                    instructions.
                                    This is a little bit faster than trapping
                                    and makes a few dynamic recompilers work
                                    better than they would in emulation mode.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 81546990f41c..ca5cdcd0f0e3 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1042,7 +1042,7 @@ conf/interface/*:
        The functional behaviour for certain settings is different
        depending on whether local forwarding is enabled or not.
-accept_ra - BOOLEAN
+accept_ra - INTEGER
        Accept Router Advertisements; autoconfigure using them.
        Possible values are:
@@ -1106,7 +1106,7 @@ dad_transmits - INTEGER
        The amount of Duplicate Address Detection probes to send.
        Default: 1
-forwarding - BOOLEAN
+forwarding - INTEGER
        Configure interface-specific Host/Router behaviour.
        Note: It is recommended to have the same setting on all
diff --git a/Documentation/networking/scaling.txt b/Documentation/networking/scaling.txt
index 8ce7c30e7230..fe67b5c79f0f 100644
--- a/Documentation/networking/scaling.txt
+++ b/Documentation/networking/scaling.txt
@@ -27,7 +27,7 @@ applying a filter to each packet that assigns it to one of a small number
 of logical flows. Packets for each flow are steered to a separate receive
 queue, which in turn can be processed by separate CPUs. This mechanism is
 generally known as “Receive-side Scaling” (RSS). The goal of RSS and
-the other scaling techniques to increase performance uniformly.
+the other scaling techniques is to increase performance uniformly.
 Multi-queue distribution can also be used for traffic prioritization, but
 that is not the focus of these techniques.
@@ -186,10 +186,10 @@ are steered using plain RPS. Multiple table entries may point to the
 same CPU. Indeed, with many flows and few CPUs, it is very likely that
 a single application thread handles flows with many different flow hashes.
-rps_sock_table is a global flow table that contains the *desired* CPU for
+rps_sock_flow_table is a global flow table that contains the *desired* CPU
-flows: the CPU that is currently processing the flow in userspace. Each
+for flows: the CPU that is currently processing the flow in userspace.
-table value is a CPU index that is updated during calls to recvmsg and
+Each table value is a CPU index that is updated during calls to recvmsg
-sendmsg (specifically, inet_recvmsg(), inet_sendmsg(), inet_sendpage()
+and sendmsg (specifically, inet_recvmsg(), inet_sendmsg(), inet_sendpage()
 and tcp_splice_read()).
 When the scheduler moves a thread to a new CPU while it has outstanding
diff --git a/MAINTAINERS b/MAINTAINERS
index ae8820e173a2..5483e0c93b4b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6366,15 +6366,14 @@ F:	net/ipv4/tcp_lp.c
 TEGRA SUPPORT
 M:      Colin Cross <ccross@android.com>
-M:      Erik Gilling <konkers@android.com>
 M:      Olof Johansson <olof@lixom.net>
+M:      Stephen Warren <swarren@nvidia.com>
 L:      linux-tegra@vger.kernel.org
-T:      git git://android.git.kernel.org/kernel/tegra.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra.git
 S:      Supported
 F:      arch/arm/mach-tegra
 TEHUTI ETHERNET DRIVER
-M:      Alexander Indenbaum <baum@tehutinetworks.net>
 M:      Andy Gospodarek <andy@greyhouse.net>
 L:      netdev@vger.kernel.org
 S:      Supported
diff --git a/Makefile b/Makefile
index 73bb458ecfd3..31f967c31e7f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 1
 SUBLEVEL = 0
-EXTRAVERSION = -rc8
+EXTRAVERSION = -rc9
 NAME = "Divemaster Edition"
 # *DOCUMENTATION*
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 2028464cf5b9..f79b7d2a8ed4 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -193,7 +193,8 @@ static int __init omap2430_i2c_init(void)
 {
        omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
                        ARRAY_SIZE(sdp2430_i2c1_boardinfo));
-        omap2_pmic_init("twl4030", &sdp2430_twldata);
+        omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
+                        &sdp2430_twldata);
        return 0;
 }
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index a9b45c76e1d3..097a42d81e59 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -137,8 +137,7 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
         */
        reg = omap4_ctrl_pad_readl(control_pbias_offset);
        reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
-                OMAP4_MMC1_PWRDNZ_MASK |
+                OMAP4_MMC1_PWRDNZ_MASK);
-                OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
        omap4_ctrl_pad_writel(reg, control_pbias_offset);
 }
@@ -156,8 +155,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                else
                        reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK;
                reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
-                        OMAP4_MMC1_PWRDNZ_MASK |
+                        OMAP4_MMC1_PWRDNZ_MASK);
-                        OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                omap4_ctrl_pad_writel(reg, control_pbias_offset);
                timeout = jiffies + msecs_to_jiffies(5);
@@ -171,16 +169,14 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) {
                        pr_err("Pbias Voltage is not same as LDO\n");
                        /* Caution : On VMODE_ERROR Power Down MMC IO */
-                        reg &= ~(OMAP4_MMC1_PWRDNZ_MASK |
+                        reg &= ~(OMAP4_MMC1_PWRDNZ_MASK);
-                                OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                        omap4_ctrl_pad_writel(reg, control_pbias_offset);
                }
        } else {
                reg = omap4_ctrl_pad_readl(control_pbias_offset);
                reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
                        OMAP4_MMC1_PWRDNZ_MASK |
-                        OMAP4_MMC1_PBIASLITE_VMODE_MASK |
+                        OMAP4_MMC1_PBIASLITE_VMODE_MASK);
-                        OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                omap4_ctrl_pad_writel(reg, control_pbias_offset);
        }
 }
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index a65145b02a55..19e4dac62a8c 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -137,9 +137,6 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
        musb_plat.mode = board_data->mode;
        musb_plat.extvbus = board_data->extvbus;
-        if (cpu_is_omap44xx())
-                omap4430_phy_init(dev);
        if (cpu_is_omap3517() || cpu_is_omap3505()) {
                oh_name = "am35x_otg_hs";
                name = "musb-am35x";
diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index 0e1016a827ac..0e0fd4d889bd 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -32,7 +32,6 @@
 #include <asm/system.h>
-#include <mach/hardware.h>
 #include <mach/clk.h>
 /* Frequency table index must be sequential starting at 0 */
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 4210cb434dbc..a3e0c8692f0d 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -6,6 +6,7 @@ config UX500_SOC_COMMON
        select ARM_GIC
        select HAS_MTU
        select ARM_ERRATA_753970
+        select ARM_ERRATA_754322
 menu "Ux500 SoC"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 177cdaf83564..b122adc8bdbb 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -24,6 +24,7 @@ config MIPS
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select HAVE_ARCH_JUMP_LABEL
+        select IRQ_FORCED_THREADING
 menu "Machine selection"
@@ -722,6 +723,7 @@ config CAVIUM_OCTEON_SIMULATOR
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_HOTPLUG_CPU
        select SYS_HAS_CPU_CAVIUM_OCTEON
+        select HOLES_IN_ZONE
        help
          The Octeon simulator is software performance model of the Cavium
          Octeon Processor. It supports simulating Octeon processors on x86
@@ -744,6 +746,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
        select ZONE_DMA32
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI
+        select HOLES_IN_ZONE
        help
          This option supports all of the Octeon reference boards from Cavium
          Networks. It builds a kernel that dynamically determines the Octeon
@@ -973,6 +976,9 @@ config ISA_DMA_API
 config GENERIC_GPIO
        bool
+config HOLES_IN_ZONE
+        bool
 #
 # Endianess selection.  Sufficiently obscure so many users don't know what to
 # answer,so we try hard to limit the available choices.  Also the use of a
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 3b2c18b14341..f72c48d4804c 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -492,7 +492,7 @@ static void __init alchemy_setup_macs(int ctype)
                memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6);
        ret = platform_device_register(&au1xxx_eth0_device);
-        if (!ret)
+        if (ret)
                printk(KERN_INFO "Alchemy: failed to register MAC0\n");
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 647e518c90bc..b86324a42601 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -158,15 +158,21 @@ static void restore_core_regs(void)
 void au_sleep(void)
 {
-        int cpuid = alchemy_get_cputype();
+        save_core_regs();
-        if (cpuid != ALCHEMY_CPU_UNKNOWN) {
-                save_core_regs();
+        switch (alchemy_get_cputype()) {
-                if (cpuid <= ALCHEMY_CPU_AU1500)
+        case ALCHEMY_CPU_AU1000:
-                        alchemy_sleep_au1000();
+        case ALCHEMY_CPU_AU1500:
-                else if (cpuid <= ALCHEMY_CPU_AU1200)
+        case ALCHEMY_CPU_AU1100:
-                        alchemy_sleep_au1550();
+                alchemy_sleep_au1000();
-                restore_core_regs();
+                break;
+        case ALCHEMY_CPU_AU1550:
+        case ALCHEMY_CPU_AU1200:
+                alchemy_sleep_au1550();
+                break;
        }
+        restore_core_regs();
 }
 #endif  /* CONFIG_PM */
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 596ad00e7f05..463d2c4d9441 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -89,8 +89,12 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
 {
        unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
+        disable_irq_nosync(irq);
        for ( ; bisr; bisr &= bisr - 1)
                generic_handle_irq(bcsr_csc_base + __ffs(bisr));
+        enable_irq(irq);
 }
 /* NOTE: both the enable and mask bits must be cleared, otherwise the
diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c
index 1dac4f27d334..4a8980027ecf 100644
--- a/arch/mips/alchemy/devboards/db1200/setup.c
+++ b/arch/mips/alchemy/devboards/db1200/setup.c
@@ -23,13 +23,6 @@ void __init board_setup(void)
        unsigned long freq0, clksrc, div, pfc;
        unsigned short whoami;
-        /* Set Config[OD] (disable overlapping bus transaction):
-         * This gets rid of a _lot_ of spurious interrupts (especially
-         * wrt. IDE); but incurs ~10% performance hit in some
-         * cpu-bound applications.
-         */
-        set_c0_config(1 << 19);
        bcsr_init(DB1200_BCSR_PHYS_ADDR,
                  DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index 03db3daadbd8..88c4babfdb5d 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type = {
 static struct irqaction ar7_cascade_action = {
        .handler = no_action,
-        .name = "AR7 cascade interrupt"
+        .name = "AR7 cascade interrupt",
+        .flags = IRQF_NO_THREAD,
 };
 static void __init ar7_irq_init(int base)
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index cea6021cb8d7..162e11b4ed75 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_irq_chip = {
 static struct irqaction cpu_ip2_cascade_action = {
        .handler        = no_action,
        .name           = "cascade_ip2",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
index cb9bf820fe53..965c777d3561 100644
--- a/arch/mips/cobalt/irq.c
+++ b/arch/mips/cobalt/irq.c
@@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void)
 static struct irqaction cascade = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index fa45e924be05..f7b7ba6d5c45 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU);
 static struct irqaction ioirq = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction fpuirq = {
        .handler = no_action,
        .name = "fpu",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction busirq = {
        .flags = IRQF_DISABLED,
        .name = "bus error",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction haltirq = {
        .handler = dec_intr_halt,
        .name = "halt",
+        .flags = IRQF_NO_THREAD,
 };
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 3dbd7a5a6ad3..7798887a1288 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void)
 static struct irqaction irq_cascade = {
           .handler = no_action,
-           .flags = 0,
+           .flags = IRQF_NO_THREAD,
           .name = "cascade",
           .dev_id = NULL,
           .next = NULL,
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 0d5a42b5f47a..a58addb98cfd 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -54,7 +54,6 @@
 #define cpu_has_mips_r2_exec_hazard 0
 #define cpu_has_dsp             0
 #define cpu_has_mipsmt          0
-#define cpu_has_userlocal       0
 #define cpu_has_vint            0
 #define cpu_has_veic            0
 #define cpu_hwrena_impl_bits    0xc0000000
diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h
index 62c094085947..35371641575d 100644
--- a/arch/mips/include/asm/mach-powertv/dma-coherence.h
+++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h
@@ -13,7 +13,6 @@
 #define __ASM_MACH_POWERTV_DMA_COHERENCE_H
 #include <linux/sched.h>
-#include <linux/version.h>
 #include <linux/device.h>
 #include <asm/mach-powertv/asic.h>
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index b4ba2449444b..cb41af5f3406 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -195,9 +195,9 @@
                 * to cover the pipeline delay.
                 */
                .set    mips32
-                mfc0    v1, CP0_TCSTATUS
+                mfc0    k0, CP0_TCSTATUS
                .set    mips0
-                LONG_S  v1, PT_TCSTATUS(sp)
+                LONG_S  k0, PT_TCSTATUS(sp)
 #endif /* CONFIG_MIPS_MT_SMTC */
                LONG_S  $4, PT_R4(sp)
                LONG_S  $5, PT_R5(sp)
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 73031f7fc827..4397972949fa 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -18,7 +18,7 @@
 #include <linux/init.h>
 #include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
@@ -86,7 +86,6 @@ struct jz_gpio_chip {
        spinlock_t lock;
        struct gpio_chip gpio_chip;
-        struct sys_device sysdev;
 };
 static struct jz_gpio_chip jz4740_gpio_chips[];
@@ -459,49 +458,47 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = {
        JZ4740_GPIO_CHIP(D),
 };
-static inline struct jz_gpio_chip *sysdev_to_chip(struct sys_device *dev)
+static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip)
 {
-        return container_of(dev, struct jz_gpio_chip, sysdev);
+        chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
+        writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
+        writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
 }
-static int jz4740_gpio_suspend(struct sys_device *dev, pm_message_t state)
+static int jz4740_gpio_suspend(void)
 {
-        struct jz_gpio_chip *chip = sysdev_to_chip(dev);
+        int i;
-        chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
+        for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++)
-        writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
+                jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]);
-        writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
        return 0;
 }
-static int jz4740_gpio_resume(struct sys_device *dev)
+static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip)
 {
-        struct jz_gpio_chip *chip = sysdev_to_chip(dev);
        uint32_t mask = chip->suspend_mask;
        writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR);
        writel(mask, chip->base + JZ_REG_GPIO_MASK_SET);
+}
-        return 0;
+static void jz4740_gpio_resume(void)
+{
+        int i;
+        for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--)
+                jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]);
 }
-static struct sysdev_class jz4740_gpio_sysdev_class = {
+static struct syscore_ops jz4740_gpio_syscore_ops = {
-        .name = "gpio",
        .suspend = jz4740_gpio_suspend,
        .resume = jz4740_gpio_resume,
 };
-static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
+static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
 {
-        int ret, irq;
+        int irq;
-        chip->sysdev.id = id;
-        chip->sysdev.cls = &jz4740_gpio_sysdev_class;
-        ret = sysdev_register(&chip->sysdev);
-        if (ret)
-                return ret;
        spin_lock_init(&chip->lock);
@@ -519,22 +516,17 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
                irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
                                         handle_level_irq);
        }
-        return 0;
 }
 static int __init jz4740_gpio_init(void)
 {
        unsigned int i;
-        int ret;
-        ret = sysdev_class_register(&jz4740_gpio_sysdev_class);
-        if (ret)
-                return ret;
        for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i)
                jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
+        register_syscore_ops(&jz4740_gpio_syscore_ops);
        printk(KERN_INFO "JZ4740 GPIO initialized\n");
        return 0;
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index feb8021a305f..6a2d758dd8e9 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -19,6 +19,26 @@
 #include <asm-generic/sections.h>
+#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
+#define MCOUNT_OFFSET_INSNS 5
+#else
+#define MCOUNT_OFFSET_INSNS 4
+#endif
+/*
+ * Check if the address is in kernel space
+ *
+ * Clone core_kernel_text() from kernel/extable.c, but doesn't call
+ * init_kernel_text() for Ftrace doesn't trace functions in init sections.
+ */
+static inline int in_kernel_space(unsigned long ip)
+{
+        if (ip >= (unsigned long)_stext &&
+            ip <= (unsigned long)_etext)
+                return 1;
+        return 0;
+}
 #ifdef CONFIG_DYNAMIC_FTRACE
 #define JAL 0x0c000000          /* jump & link: ip --> ra, jump to target */
@@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void)
 #endif
 }
-/*
- * Check if the address is in kernel space
- *
- * Clone core_kernel_text() from kernel/extable.c, but doesn't call
- * init_kernel_text() for Ftrace doesn't trace functions in init sections.
- */
-static inline int in_kernel_space(unsigned long ip)
-{
-        if (ip >= (unsigned long)_stext &&
-            ip <= (unsigned long)_etext)
-                return 1;
-        return 0;
-}
 static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
 {
        int faulted;
@@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
 *                                  1: offset = 4 instructions
 */
-#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
-#define MCOUNT_OFFSET_INSNS 5
-#else
-#define MCOUNT_OFFSET_INSNS 4
-#endif
 #define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS)
 int ftrace_make_nop(struct module *mod,
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 5c74eb797f08..32b397b646ee 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -229,7 +229,7 @@ static void i8259A_shutdown(void)
         */
        if (i8259A_auto_eoi >= 0) {
                outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
-                outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-1 */
+                outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-2 */
        }
 }
@@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi)
 static struct irqaction irq2 = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct resource pic1_io_resource = {
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 876a75cc376f..922a554cd108 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -349,3 +349,10 @@ SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
        return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
                                 dfd, pathname);
 }
+SYSCALL_DEFINE6(32_futex, u32 __user *, uaddr, int, op, u32, val,
+                struct compat_timespec __user *, utime, u32 __user *, uaddr2,
+                u32, val3)
+{
+        return compat_sys_futex(uaddr, op, val, utime, uaddr2, val3);
+}
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index f9296e894e46..6de1f598346e 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -315,7 +315,7 @@ EXPORT(sysn32_call_table)
        PTR     sys_fremovexattr
        PTR     sys_tkill
        PTR     sys_ni_syscall
-        PTR     compat_sys_futex
+        PTR     sys_32_futex
        PTR     compat_sys_sched_setaffinity    /* 6195 */
        PTR     compat_sys_sched_getaffinity
        PTR     sys_cacheflush
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 4d7c9827706f..1d813169e453 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -441,7 +441,7 @@ sys_call_table:
        PTR     sys_fremovexattr                /* 4235 */
        PTR     sys_tkill
        PTR     sys_sendfile64
-        PTR     compat_sys_futex
+        PTR     sys_32_futex
        PTR     compat_sys_sched_setaffinity
        PTR     compat_sys_sched_getaffinity    /* 4240 */
        PTR     compat_sys_io_setup
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index dbbe0ce48d89..f8524003676a 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -8,6 +8,7 @@
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 */
 #include <linux/cache.h>
+#include <linux/irqflags.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/personality.h>
@@ -658,6 +659,8 @@ static void do_signal(struct pt_regs *regs)
 asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
        __u32 thread_info_flags)
 {
+        local_irq_enable();
        /* deal with pending signal delivery */
        if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
                do_signal(regs);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b7517e3abc85..cbea618af0b4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -14,6 +14,7 @@
 #include <linux/bug.h>
 #include <linux/compiler.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -364,21 +365,26 @@ static int regs_to_trapnr(struct pt_regs *regs)
        return (regs->cp0_cause >> 2) & 0x1f;
 }
-static DEFINE_SPINLOCK(die_lock);
+static DEFINE_RAW_SPINLOCK(die_lock);
 void __noreturn die(const char *str, struct pt_regs *regs)
 {
        static int die_counter;
        int sig = SIGSEGV;
 #ifdef CONFIG_MIPS_MT_SMTC
-        unsigned long dvpret = dvpe();
+        unsigned long dvpret;
 #endif /* CONFIG_MIPS_MT_SMTC */
+        oops_enter();
        if (notify_die(DIE_OOPS, str, regs, 0, regs_to_trapnr(regs), SIGSEGV) == NOTIFY_STOP)
                sig = 0;
        console_verbose();
-        spin_lock_irq(&die_lock);
+        raw_spin_lock_irq(&die_lock);
+#ifdef CONFIG_MIPS_MT_SMTC
+        dvpret = dvpe();
+#endif /* CONFIG_MIPS_MT_SMTC */
        bust_spinlocks(1);
 #ifdef CONFIG_MIPS_MT_SMTC
        mips_mt_regdump(dvpret);
@@ -387,7 +393,9 @@ void __noreturn die(const char *str, struct pt_regs *regs)
        printk("%s[#%d]:\n", str, ++die_counter);
        show_registers(regs);
        add_taint(TAINT_DIE);
-        spin_unlock_irq(&die_lock);
+        raw_spin_unlock_irq(&die_lock);
+        oops_exit();
        if (in_interrupt())
                panic("Fatal exception in interrupt");
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 2cd50ad0d5c6..3efcb065f78a 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -192,7 +192,7 @@ static struct tc *get_tc(int index)
        }
        spin_unlock(&vpecontrol.tc_list_lock);
-        return NULL;
+        return res;
 }
 /* allocate a vpe and associate it with this minor (or index) */
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index fc89795cafdb..f9737bb3c5ab 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -123,11 +123,10 @@ void ltq_enable_irq(struct irq_data *d)
 static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
 {
        int i;
-        int irq_nr = d->irq - INT_NUM_IRQ0;
        ltq_enable_irq(d);
        for (i = 0; i < MAX_EIU; i++) {
-                if (irq_nr == ltq_eiu_irq[i]) {
+                if (d->irq == ltq_eiu_irq[i]) {
                        /* low level - we should really handle set_type */
                        ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) |
                                (0x6 << (i * 4)), LTQ_EIU_EXIN_C);
@@ -147,11 +146,10 @@ static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
 static void ltq_shutdown_eiu_irq(struct irq_data *d)
 {
        int i;
-        int irq_nr = d->irq - INT_NUM_IRQ0;
        ltq_disable_irq(d);
        for (i = 0; i < MAX_EIU; i++) {
-                if (irq_nr == ltq_eiu_irq[i]) {
+                if (d->irq == ltq_eiu_irq[i]) {
                        /* disable */
                        ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~(1 << i),
                                LTQ_EIU_EXIN_INEN);
diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c
index 66eb52fa50a1..033b3184c7a7 100644
--- a/arch/mips/lantiq/xway/ebu.c
+++ b/arch/mips/lantiq/xway/ebu.c
@@ -10,7 +10,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/ioport.h>
 #include <lantiq_soc.h>
diff --git a/arch/mips/lantiq/xway/pmu.c b/arch/mips/lantiq/xway/pmu.c
index 9d69f01e352b..39f0d2641cbf 100644
--- a/arch/mips/lantiq/xway/pmu.c
+++ b/arch/mips/lantiq/xway/pmu.c
@@ -8,7 +8,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/ioport.h>
 #include <lantiq_soc.h>
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index de4c165515d7..d608b6ef0edd 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/arch/mips/lasat/interrupt.c
@@ -105,6 +105,7 @@ asmlinkage void plat_irq_dispatch(void)
 static struct irqaction cascade = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index d61a04222b87..3cf1fef29f0e 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -42,6 +42,7 @@ asmlinkage void mach_irq_dispatch(unsigned int pending)
 static struct irqaction cascade_irqaction = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 void __init mach_init_irq(void)
diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c
index 081db102bb98..14b081841b6b 100644
--- a/arch/mips/loongson/lemote-2f/irq.c
+++ b/arch/mips/loongson/lemote-2f/irq.c
@@ -96,12 +96,13 @@ static irqreturn_t ip6_action(int cpl, void *dev_id)
 struct irqaction ip6_irqaction = {
        .handler = ip6_action,
        .name = "cascade",
-        .flags = IRQF_SHARED,
+        .flags = IRQF_SHARED | IRQF_NO_THREAD,
 };
 struct irqaction cascade_irqaction = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 void __init mach_init_irq(void)
diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
index 9ff5d0fac556..302d779d5b0d 100644
--- a/arch/mips/mm/mmap.c
+++ b/arch/mips/mm/mmap.c
@@ -6,6 +6,7 @@
 * Copyright (C) 2011 Wind River Systems,
 *   written by Ralf Baechle <ralf@linux-mips.org>
 */
+#include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
@@ -15,12 +16,11 @@
 #include <linux/sched.h>
 unsigned long shm_align_mask = PAGE_SIZE - 1;   /* Sane caches */
 EXPORT_SYMBOL(shm_align_mask);
 /* gap between mmap and stack */
 #define MIN_GAP (128*1024*1024UL)
-#define MAX_GAP        ((TASK_SIZE)/6*5)
+#define MAX_GAP ((TASK_SIZE)/6*5)
 static int mmap_is_legacy(void)
 {
@@ -57,13 +57,13 @@ static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr,
        return base - off;
 }
-#define COLOUR_ALIGN(addr,pgoff)                                \
+#define COLOUR_ALIGN(addr, pgoff)                               \
        ((((addr) + shm_align_mask) & ~shm_align_mask) +        \
         (((pgoff) << PAGE_SHIFT) & shm_align_mask))
 enum mmap_allocation_direction {UP, DOWN};
-static unsigned long arch_get_unmapped_area_foo(struct file *filp,
+static unsigned long arch_get_unmapped_area_common(struct file *filp,
        unsigned long addr0, unsigned long len, unsigned long pgoff,
        unsigned long flags, enum mmap_allocation_direction dir)
 {
@@ -103,16 +103,16 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                vma = find_vma(mm, addr);
                if (TASK_SIZE - len >= addr &&
-                   (!vma || addr + len <= vma->vm_start))
+                    (!vma || addr + len <= vma->vm_start))
                        return addr;
        }
        if (dir == UP) {
                addr = mm->mmap_base;
-                        if (do_color_align)
+                if (do_color_align)
-                                addr = COLOUR_ALIGN(addr, pgoff);
+                        addr = COLOUR_ALIGN(addr, pgoff);
-                        else
+                else
-                                addr = PAGE_ALIGN(addr);
+                        addr = PAGE_ALIGN(addr);
                for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
                        /* At this point:  (!vma || addr < vma->vm_end). */
@@ -131,28 +131,30 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                        mm->free_area_cache = mm->mmap_base;
                }
-                /* either no address requested or can't fit in requested address hole */
+                /*
+                 * either no address requested, or the mapping can't fit into
+                 * the requested address hole
+                 */
                addr = mm->free_area_cache;
-                        if (do_color_align) {
+                if (do_color_align) {
-                                unsigned long base =
+                        unsigned long base =
-                                        COLOUR_ALIGN_DOWN(addr - len, pgoff);
+                                COLOUR_ALIGN_DOWN(addr - len, pgoff);
                        addr = base + len;
-                 }
+                }
                /* make sure it can fit in the remaining address space */
                if (likely(addr > len)) {
                        vma = find_vma(mm, addr - len);
                        if (!vma || addr <= vma->vm_start) {
-                                /* remember the address as a hint for next time */
+                                /* cache the address as a hint for next time */
-                                return mm->free_area_cache = addr-len;
+                                return mm->free_area_cache = addr - len;
                        }
                }
                if (unlikely(mm->mmap_base < len))
                        goto bottomup;
-                addr = mm->mmap_base-len;
+                addr = mm->mmap_base - len;
                if (do_color_align)
                        addr = COLOUR_ALIGN_DOWN(addr, pgoff);
@@ -163,8 +165,8 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                         * return with success:
                         */
                        vma = find_vma(mm, addr);
-                        if (likely(!vma || addr+len <= vma->vm_start)) {
+                        if (likely(!vma || addr + len <= vma->vm_start)) {
-                                /* remember the address as a hint for next time */
+                                /* cache the address as a hint for next time */
                                return mm->free_area_cache = addr;
                        }
@@ -173,7 +175,7 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
                                mm->cached_hole_size = vma->vm_start - addr;
                        /* try just below the current vma->vm_start */
-                        addr = vma->vm_start-len;
+                        addr = vma->vm_start - len;
                        if (do_color_align)
                                addr = COLOUR_ALIGN_DOWN(addr, pgoff);
                } while (likely(len < vma->vm_start));
@@ -201,7 +203,7 @@ bottomup:
 unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0,
        unsigned long len, unsigned long pgoff, unsigned long flags)
 {
-        return arch_get_unmapped_area_foo(filp,
+        return arch_get_unmapped_area_common(filp,
                        addr0, len, pgoff, flags, UP);
 }
@@ -213,7 +215,7 @@ unsigned long arch_get_unmapped_area_topdown(struct file *filp,
        unsigned long addr0, unsigned long len, unsigned long pgoff,
        unsigned long flags)
 {
-        return arch_get_unmapped_area_foo(filp,
+        return arch_get_unmapped_area_common(filp,
                        addr0, len, pgoff, flags, DOWN);
 }
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b6e1cff50667..e06370f58ef3 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1759,14 +1759,13 @@ static void __cpuinit build_r3000_tlb_modify_handler(void)
        u32 *p = handle_tlbm;
        struct uasm_label *l = labels;
        struct uasm_reloc *r = relocs;
-        struct work_registers wr;
        memset(handle_tlbm, 0, sizeof(handle_tlbm));
        memset(labels, 0, sizeof(labels));
        memset(relocs, 0, sizeof(relocs));
        build_r3000_tlbchange_handler_head(&p, K0, K1);
-        build_pte_modifiable(&p, &r, wr.r1, wr.r2,  wr.r3, label_nopage_tlbm);
+        build_pte_modifiable(&p, &r, K0, K1,  -1, label_nopage_tlbm);
        uasm_i_nop(&p); /* load delay */
        build_make_write(&p, &r, K0, K1);
        build_r3000_pte_reload_tlbwi(&p, K0, K1);
@@ -1963,7 +1962,8 @@ static void __cpuinit build_r4000_tlb_load_handler(void)
                        uasm_i_andi(&p, wr.r3, wr.r3, 2);
                        uasm_il_beqz(&p, &r, wr.r3, label_tlbl_goaround2);
                }
+                if (PM_DEFAULT_MASK == 0)
+                        uasm_i_nop(&p);
                /*
                 * We clobbered C0_PAGEMASK, restore it.  On the other branch
                 * it is restored in build_huge_tlb_write_entry.
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 1d36c511a7a5..d53ff91b277c 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -350,12 +350,14 @@ unsigned int plat_ipi_resched_int_xlate(unsigned int cpu)
 static struct irqaction i8259irq = {
        .handler = no_action,
-        .name = "XT-PIC cascade"
+        .name = "XT-PIC cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct irqaction corehi_irqaction = {
        .handler = no_action,
-        .name = "CoreHi"
+        .name = "CoreHi",
+        .flags = IRQF_NO_THREAD,
 };
 static msc_irqmap_t __initdata msc_irqmap[] = {
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile
index 9bd3f731f62e..2dca585dd2f7 100644
--- a/arch/mips/netlogic/xlr/Makefile
+++ b/arch/mips/netlogic/xlr/Makefile
@@ -2,4 +2,4 @@ obj-y				+= setup.o platform.o irq.o setup.o time.o
 obj-$(CONFIG_SMP)               += smp.o smpboot.o
 obj-$(CONFIG_EARLY_PRINTK)      += xlr_console.o
-EXTRA_CFLAGS                    += -Werror
+ccflags-y                       += -Werror
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 603d7493e966..8656388b34bd 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -171,8 +171,13 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf)
        u32 temp_buffer;
        /* set clock to 33Mhz */
-        ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
+        if (ltq_is_ar9()) {
-        ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR);
+        } else {
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
+                ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+        }
        /* external or internal clock ? */
        if (conf->clock) {
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 764362ce5e40..5f3a69cebad1 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -215,7 +215,7 @@ static int __init rc32434_pci_init(void)
        rc32434_pcibridge_init();
        io_map_base = ioremap(rc32434_res_pci_io1.start,
-                              resource_size(&rcrc32434_res_pci_io1));
+                              resource_size(&rc32434_res_pci_io1));
        if (!io_map_base)
                return -ENOMEM;
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
index 4531c4a514bc..d3c3d81757a5 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -108,12 +108,14 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 static struct irqaction cic_cascade_msp = {
        .handler = no_action,
-        .name    = "MSP CIC cascade"
+        .name    = "MSP CIC cascade",
+        .flags   = IRQF_NO_THREAD,
 };
 static struct irqaction per_cascade_msp = {
        .handler = no_action,
-        .name    = "MSP PER cascade"
+        .name    = "MSP PER cascade",
+        .flags   = IRQF_NO_THREAD,
 };
 void __init arch_init_irq(void)
diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c
index 6b93c81779c1..1ebe22bdadc8 100644
--- a/arch/mips/pnx8550/common/int.c
+++ b/arch/mips/pnx8550/common/int.c
@@ -167,7 +167,7 @@ static struct irq_chip level_irq_type = {
 static struct irqaction gic_action = {
        .handler =      no_action,
-        .flags =        IRQF_DISABLED,
+        .flags =        IRQF_DISABLED | IRQF_NO_THREAD,
        .name =         "GIC",
 };
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index b4d08e4d2ea9..f72c336ea27b 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -155,32 +155,32 @@ static void __irq_entry indy_buserror_irq(void)
 static struct irqaction local0_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "local0 cascade",
 };
 static struct irqaction local1_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "local1 cascade",
 };
 static struct irqaction buserr = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "Bus Error",
 };
 static struct irqaction map0_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "mapable0 cascade",
 };
 #ifdef USE_LIO3_IRQ
 static struct irqaction map1_cascade = {
        .handler        = no_action,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_NO_THREAD,
        .name           = "mapable1 cascade",
 };
 #define SGI_INTERRUPTS  SGINT_END
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index a7e5a6d917b1..3ab5b5d25b0a 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -359,6 +359,7 @@ void sni_rm200_init_8259A(void)
 static struct irqaction sni_rm200_irq2 = {
        .handler = no_action,
        .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 static struct resource sni_rm200_pic1_resource = {
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index 70a3b85f3757..fad2bef432cd 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -34,6 +34,7 @@ static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned;
 static struct irqaction cascade_irqaction = {
        .handler        = no_action,
        .name           = "cascade",
+        .flags          = IRQF_NO_THREAD,
 };
 int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index fc94607f0bd5..aecc8ed5f39b 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -21,7 +21,7 @@
 #include <asm/ptrace.h>
 #include <asm/thread_info.h>
 #include <asm/irqflags.h>
-#include <linux/atomic.h>
+#include <asm/atomic_32.h>
 #include <asm/asm-offsets.h>
 #include <hv/hypervisor.h>
 #include <arch/abi.h>
diff --git a/arch/tile/lib/atomic_asm_32.S b/arch/tile/lib/atomic_asm_32.S
index 1f75a2a56101..30638042691d 100644
--- a/arch/tile/lib/atomic_asm_32.S
+++ b/arch/tile/lib/atomic_asm_32.S
@@ -70,7 +70,7 @@
 */
 #include <linux/linkage.h>
-#include <linux/atomic.h>
+#include <asm/atomic_32.h>
 #include <asm/page.h>
 #include <asm/processor.h>
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 3f2ad2640d85..ccdbc16b8941 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -42,8 +42,11 @@ int mach_set_rtc_mmss(unsigned long nowtime)
 {
        int real_seconds, real_minutes, cmos_minutes;
        unsigned char save_control, save_freq_select;
+        unsigned long flags;
        int retval = 0;
+        spin_lock_irqsave(&rtc_lock, flags);
         /* tell the clock it's being set */
        save_control = CMOS_READ(RTC_CONTROL);
        CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
@@ -93,12 +96,17 @@ int mach_set_rtc_mmss(unsigned long nowtime)
        CMOS_WRITE(save_control, RTC_CONTROL);
        CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        return retval;
 }
 unsigned long mach_get_cmos_time(void)
 {
        unsigned int status, year, mon, day, hour, min, sec, century = 0;
+        unsigned long flags;
+        spin_lock_irqsave(&rtc_lock, flags);
        /*
         * If UIP is clear, then we have >= 244 microseconds before
@@ -125,6 +133,8 @@ unsigned long mach_get_cmos_time(void)
        status = CMOS_READ(RTC_CONTROL);
        WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY));
+        spin_unlock_irqrestore(&rtc_lock, flags);
        if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) {
                sec = bcd2bin(sec);
                min = bcd2bin(min);
@@ -169,24 +179,15 @@ EXPORT_SYMBOL(rtc_cmos_write);
 int update_persistent_clock(struct timespec now)
 {
-        unsigned long flags;
+        return x86_platform.set_wallclock(now.tv_sec);
-        int retval;
-        spin_lock_irqsave(&rtc_lock, flags);
-        retval = x86_platform.set_wallclock(now.tv_sec);
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return retval;
 }
 /* not static: needed by APM */
 void read_persistent_clock(struct timespec *ts)
 {
-        unsigned long retval, flags;
+        unsigned long retval;
-        spin_lock_irqsave(&rtc_lock, flags);
        retval = x86_platform.get_wallclock();
-        spin_unlock_irqrestore(&rtc_lock, flags);
        ts->tv_sec = retval;
        ts->tv_nsec = 0;
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 18ae83dd1cd7..b56c65de384d 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -56,7 +56,7 @@ DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data) =
        .lock = __SEQLOCK_UNLOCKED(__vsyscall_gtod_data.lock),
 };
-static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE;
+static enum { EMULATE, NATIVE, NONE } vsyscall_mode = NATIVE;
 static int __init vsyscall_setup(char *str)
 {
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 039d91315bc5..404f21a3ff9e 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -43,6 +43,17 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"),
                },
        },
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */
+        /* 2006 AMD HT/VIA system with two host bridges */
+        {
+                .callback = set_use_crs,
+                .ident = "ASUS M2V-MX SE",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+                        DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"),
+                        DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+                },
+        },
        {}
 };
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 58425adc22c6..fe73276e026b 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -678,38 +678,40 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
        pentry = (struct sfi_device_table_entry *)sb->pentry;
        for (i = 0; i < num; i++, pentry++) {
-                if (pentry->irq != (u8)0xff) { /* native RTE case */
+                int irq = pentry->irq;
+                if (irq != (u8)0xff) { /* native RTE case */
                        /* these SPI2 devices are not exposed to system as PCI
                         * devices, but they have separate RTE entry in IOAPIC
                         * so we have to enable them one by one here
                         */
-                        ioapic = mp_find_ioapic(pentry->irq);
+                        ioapic = mp_find_ioapic(irq);
                        irq_attr.ioapic = ioapic;
-                        irq_attr.ioapic_pin = pentry->irq;
+                        irq_attr.ioapic_pin = irq;
                        irq_attr.trigger = 1;
                        irq_attr.polarity = 1;
-                        io_apic_set_pci_routing(NULL, pentry->irq, &irq_attr);
+                        io_apic_set_pci_routing(NULL, irq, &irq_attr);
                } else
-                        pentry->irq = 0; /* No irq */
+                        irq = 0; /* No irq */
                switch (pentry->type) {
                case SFI_DEV_TYPE_IPC:
                        /* ID as IRQ is a hack that will go away */
-                        pdev = platform_device_alloc(pentry->name, pentry->irq);
+                        pdev = platform_device_alloc(pentry->name, irq);
                        if (pdev == NULL) {
                                pr_err("out of memory for SFI platform device '%s'.\n",
                                                        pentry->name);
                                continue;
                        }
-                        install_irq_resource(pdev, pentry->irq);
+                        install_irq_resource(pdev, irq);
                        pr_debug("info[%2d]: IPC bus, name = %16.16s, "
-                                "irq = 0x%2x\n", i, pentry->name, pentry->irq);
+                                "irq = 0x%2x\n", i, pentry->name, irq);
                        sfi_handle_ipc_dev(pdev);
                        break;
                case SFI_DEV_TYPE_SPI:
                        memset(&spi_info, 0, sizeof(spi_info));
                        strncpy(spi_info.modalias, pentry->name, SFI_NAME_LEN);
-                        spi_info.irq = pentry->irq;
+                        spi_info.irq = irq;
                        spi_info.bus_num = pentry->host_num;
                        spi_info.chip_select = pentry->addr;
                        spi_info.max_speed_hz = pentry->max_freq;
@@ -726,7 +728,7 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
                        memset(&i2c_info, 0, sizeof(i2c_info));
                        bus = pentry->host_num;
                        strncpy(i2c_info.type, pentry->name, SFI_NAME_LEN);
-                        i2c_info.irq = pentry->irq;
+                        i2c_info.irq = irq;
                        i2c_info.addr = pentry->addr;
                        pr_debug("info[%2d]: I2C bus = %d, name = %16.16s, "
                                "irq = 0x%2x, addr = 0x%x\n", i, bus,
diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c
index 73d70d65e76e..6d5dbcdd444a 100644
--- a/arch/x86/platform/mrst/vrtc.c
+++ b/arch/x86/platform/mrst/vrtc.c
@@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write);
 unsigned long vrtc_get_time(void)
 {
        u8 sec, min, hour, mday, mon;
+        unsigned long flags;
        u32 year;
+        spin_lock_irqsave(&rtc_lock, flags);
        while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP))
                cpu_relax();
@@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void)
        mon = vrtc_cmos_read(RTC_MONTH);
        year = vrtc_cmos_read(RTC_YEAR);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        /* vRTC YEAR reg contains the offset to 1960 */
        year += 1960;
@@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void)
 int vrtc_set_mmss(unsigned long nowtime)
 {
        int real_sec, real_min;
+        unsigned long flags;
        int vrtc_min;
+        spin_lock_irqsave(&rtc_lock, flags);
        vrtc_min = vrtc_cmos_read(RTC_MINUTES);
        real_sec = nowtime % 60;
@@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime)
        vrtc_cmos_write(real_sec, RTC_SECONDS);
        vrtc_cmos_write(real_min, RTC_MINUTES);
+        spin_unlock_irqrestore(&rtc_lock, flags);
        return 0;
 }
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 0599854e2217..118ec12d2d5f 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -34,8 +34,8 @@ struct gpio_bank {
        u16 irq;
        u16 virtual_irq_start;
        int method;
-#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS)
        u32 suspend_wakeup;
+#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS)
        u32 saved_wakeup;
 #endif
        u32 non_wakeup_gpios;
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c43b8ff626a7..0550dcb85814 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -577,6 +577,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
+        *gpio_base = -1;
 }
 #endif
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 7ad43c6b1db7..79e8ebc05307 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -115,6 +115,7 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
        u8 msg[20];
        int msg_bytes = send_bytes + 4;
        u8 ack;
+        unsigned retry;
        if (send_bytes > 16)
                return -1;
@@ -125,20 +126,22 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
        msg[3] = (msg_bytes << 4) | (send_bytes - 1);
        memcpy(&msg[4], send, send_bytes);
-        while (1) {
+        for (retry = 0; retry < 4; retry++) {
                ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
                                            msg, msg_bytes, NULL, 0, delay, &ack);
-                if (ret < 0)
+                if (ret == -EBUSY)
+                        continue;
+                else if (ret < 0)
                        return ret;
                if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
-                        break;
+                        return send_bytes;
                else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
                        udelay(400);
                else
                        return -EIO;
        }
-        return send_bytes;
+        return -EIO;
 }
 static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
@@ -149,26 +152,31 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
        int msg_bytes = 4;
        u8 ack;
        int ret;
+        unsigned retry;
        msg[0] = address;
        msg[1] = address >> 8;
        msg[2] = AUX_NATIVE_READ << 4;
        msg[3] = (msg_bytes << 4) | (recv_bytes - 1);
-        while (1) {
+        for (retry = 0; retry < 4; retry++) {
                ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
                                            msg, msg_bytes, recv, recv_bytes, delay, &ack);
-                if (ret == 0)
+                if (ret == -EBUSY)
-                        return -EPROTO;
+                        continue;
-                if (ret < 0)
+                else if (ret < 0)
                        return ret;
                if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
                        return ret;
                else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
                        udelay(400);
+                else if (ret == 0)
+                        return -EPROTO;
                else
                        return -EIO;
        }
+        return -EIO;
 }
 static void radeon_write_dpcd_reg(struct radeon_connector *radeon_connector,
@@ -232,7 +240,9 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
        for (retry = 0; retry < 4; retry++) {
                ret = radeon_process_aux_ch(auxch,
                                            msg, msg_bytes, reply, reply_bytes, 0, &ack);
-                if (ret < 0) {
+                if (ret == -EBUSY)
+                        continue;
+                else if (ret < 0) {
                        DRM_DEBUG_KMS("aux_ch failed %d\n", ret);
                        return ret;
                }
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e8a746712b5b..c4ffa14fb2f4 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1590,48 +1590,6 @@ static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
        return backend_map;
 }
-static void evergreen_program_channel_remap(struct radeon_device *rdev)
-{
-        u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
-        tmp = RREG32(MC_SHARED_CHMAP);
-        switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
-        case 0:
-        case 1:
-        case 2:
-        case 3:
-        default:
-                /* default mapping */
-                mc_shared_chremap = 0x00fac688;
-                break;
-        }
-        switch (rdev->family) {
-        case CHIP_HEMLOCK:
-        case CHIP_CYPRESS:
-        case CHIP_BARTS:
-                tcp_chan_steer_lo = 0x54763210;
-                tcp_chan_steer_hi = 0x0000ba98;
-                break;
-        case CHIP_JUNIPER:
-        case CHIP_REDWOOD:
-        case CHIP_CEDAR:
-        case CHIP_PALM:
-        case CHIP_SUMO:
-        case CHIP_SUMO2:
-        case CHIP_TURKS:
-        case CHIP_CAICOS:
-        default:
-                tcp_chan_steer_lo = 0x76543210;
-                tcp_chan_steer_hi = 0x0000ba98;
-                break;
-        }
-        WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
-        WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
-        WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
 static void evergreen_gpu_init(struct radeon_device *rdev)
 {
        u32 cc_rb_backend_disable = 0;
@@ -2078,8 +2036,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
        WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
        WREG32(HDP_ADDR_CONFIG, gb_addr_config);
-        evergreen_program_channel_remap(rdev);
        num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
        grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 99fbd793c08c..8c79ca97753d 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -569,36 +569,6 @@ static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
        return backend_map;
 }
-static void cayman_program_channel_remap(struct radeon_device *rdev)
-{
-        u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
-        tmp = RREG32(MC_SHARED_CHMAP);
-        switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
-        case 0:
-        case 1:
-        case 2:
-        case 3:
-        default:
-                /* default mapping */
-                mc_shared_chremap = 0x00fac688;
-                break;
-        }
-        switch (rdev->family) {
-        case CHIP_CAYMAN:
-        default:
-                //tcp_chan_steer_lo = 0x54763210
-                tcp_chan_steer_lo = 0x76543210;
-                tcp_chan_steer_hi = 0x0000ba98;
-                break;
-        }
-        WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
-        WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
-        WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
 static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
                                            u32 disable_mask_per_se,
                                            u32 max_disable_mask_per_se,
@@ -842,8 +812,6 @@ static void cayman_gpu_init(struct radeon_device *rdev)
        WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
        WREG32(HDP_ADDR_CONFIG, gb_addr_config);
-        cayman_program_channel_remap(rdev);
        /* primary versions */
        WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
        WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c4b8741dbf58..449c3d8c6836 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -68,11 +68,11 @@ void radeon_connector_hotplug(struct drm_connector *connector)
        if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
                int saved_dpms = connector->dpms;
-                if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
+                /* Only turn off the display it it's physically disconnected */
-                    radeon_dp_needs_link_train(radeon_connector))
+                if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
-                        drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
-                else
                        drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+                else if (radeon_dp_needs_link_train(radeon_connector))
+                        drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
                connector->dpms = saved_dpms;
        }
 }
@@ -1303,23 +1303,14 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
                /* get the DPCD from the bridge */
                radeon_dp_getdpcd(radeon_connector);
-                if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
+                if (encoder) {
-                        ret = connector_status_connected;
+                        /* setup ddc on the bridge */
-                else {
+                        radeon_atom_ext_encoder_setup_ddc(encoder);
-                        /* need to setup ddc on the bridge */
-                        if (encoder)
-                                radeon_atom_ext_encoder_setup_ddc(encoder);
                        if (radeon_ddc_probe(radeon_connector,
-                                             radeon_connector->requires_extended_probe))
+                                             radeon_connector->requires_extended_probe)) /* try DDC */
                                ret = connector_status_connected;
-                }
+                        else if (radeon_connector->dac_load_detect) { /* try load detection */
+                                struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
-                if ((ret == connector_status_disconnected) &&
-                    radeon_connector->dac_load_detect) {
-                        struct drm_encoder *encoder = radeon_best_single_encoder(connector);
-                        struct drm_encoder_helper_funcs *encoder_funcs;
-                        if (encoder) {
-                                encoder_funcs = encoder->helper_private;
                                ret = encoder_funcs->detect(encoder, connector);
                        }
                }
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 3189a7efb2e9..fde25c0d65a0 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -208,23 +208,25 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
        int xorigin = 0, yorigin = 0;
        int w = radeon_crtc->cursor_width;
-        if (x < 0)
-                xorigin = -x + 1;
-        if (y < 0)
-                yorigin = -y + 1;
-        if (xorigin >= CURSOR_WIDTH)
-                xorigin = CURSOR_WIDTH - 1;
-        if (yorigin >= CURSOR_HEIGHT)
-                yorigin = CURSOR_HEIGHT - 1;
        if (ASIC_IS_AVIVO(rdev)) {
-                int i = 0;
-                struct drm_crtc *crtc_p;
                /* avivo cursor are offset into the total surface */
                x += crtc->x;
                y += crtc->y;
-                DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+        }
+        DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+        if (x < 0) {
+                xorigin = min(-x, CURSOR_WIDTH - 1);
+                x = 0;
+        }
+        if (y < 0) {
+                yorigin = min(-y, CURSOR_HEIGHT - 1);
+                y = 0;
+        }
+        if (ASIC_IS_AVIVO(rdev)) {
+                int i = 0;
+                struct drm_crtc *crtc_p;
                /* avivo cursor image can't end on 128 pixel boundary or
                 * go past the end of the frame if both crtcs are enabled
@@ -253,16 +255,12 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
        radeon_lock_cursor(crtc, true);
        if (ASIC_IS_DCE4(rdev)) {
-                WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
+                WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
-                       ((xorigin ? 0 : x) << 16) |
-                       (yorigin ? 0 : y));
                WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
                WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
                       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
        } else if (ASIC_IS_AVIVO(rdev)) {
-                WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset,
+                WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
-                             ((xorigin ? 0 : x) << 16) |
-                             (yorigin ? 0 : y));
                WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
                WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
                       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
@@ -276,8 +274,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
                        | yorigin));
                WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
                       (RADEON_CUR_LOCK
-                        | ((xorigin ? 0 : x) << 16)
+                        | (x << 16)
-                        | (yorigin ? 0 : y)));
+                        | y));
                /* offset is from DISP(2)_BASE_ADDRESS */
                WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset +
                                                                      (yorigin * 256)));
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 13690f3eb4a4..8a171b21b453 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1755,9 +1755,12 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
        /* DCE4/5 */
        if (ASIC_IS_DCE4(rdev)) {
                dig = radeon_encoder->enc_priv;
-                if (ASIC_IS_DCE41(rdev))
+                if (ASIC_IS_DCE41(rdev)) {
-                        return radeon_crtc->crtc_id;
+                        if (dig->linkb)
-                else {
+                                return 1;
+                        else
+                                return 0;
+                } else {
                        switch (radeon_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                if (dig->linkb)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 4720d000d440..b13c2eedc321 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -536,55 +536,6 @@ static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
        return backend_map;
 }
-static void rv770_program_channel_remap(struct radeon_device *rdev)
-{
-        u32 tcp_chan_steer, mc_shared_chremap, tmp;
-        bool force_no_swizzle;
-        switch (rdev->family) {
-        case CHIP_RV770:
-        case CHIP_RV730:
-                force_no_swizzle = false;
-                break;
-        case CHIP_RV710:
-        case CHIP_RV740:
-        default:
-                force_no_swizzle = true;
-                break;
-        }
-        tmp = RREG32(MC_SHARED_CHMAP);
-        switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
-        case 0:
-        case 1:
-        default:
-                /* default mapping */
-                mc_shared_chremap = 0x00fac688;
-                break;
-        case 2:
-        case 3:
-                if (force_no_swizzle)
-                        mc_shared_chremap = 0x00fac688;
-                else
-                        mc_shared_chremap = 0x00bbc298;
-                break;
-        }
-        if (rdev->family == CHIP_RV740)
-                tcp_chan_steer = 0x00ef2a60;
-        else
-                tcp_chan_steer = 0x00fac688;
-        /* RV770 CE has special chremap setup */
-        if (rdev->pdev->device == 0x944e) {
-                tcp_chan_steer = 0x00b08b08;
-                mc_shared_chremap = 0x00b08b08;
-        }
-        WREG32(TCP_CHAN_STEER, tcp_chan_steer);
-        WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
 static void rv770_gpu_init(struct radeon_device *rdev)
 {
        int i, j, num_qd_pipes;
@@ -785,8 +736,6 @@ static void rv770_gpu_init(struct radeon_device *rdev)
        WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
        WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
-        rv770_program_channel_remap(rdev);
        WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
        WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
        WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 44b23917d4cc..932383786642 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -377,9 +377,9 @@ exit_free:
 }
-static int __devinit chk_ucode_version(struct platform_device *pdev)
+static int __cpuinit chk_ucode_version(unsigned int cpu)
 {
-        struct cpuinfo_x86 *c = &cpu_data(pdev->id);
+        struct cpuinfo_x86 *c = &cpu_data(cpu);
        int err;
        u32 edx;
@@ -390,17 +390,15 @@ static int __devinit chk_ucode_version(struct platform_device *pdev)
         */
        if (c->x86_model == 0xe && c->x86_mask < 0xc) {
                /* check for microcode update */
-                err = smp_call_function_single(pdev->id, get_ucode_rev_on_cpu,
+                err = smp_call_function_single(cpu, get_ucode_rev_on_cpu,
                                               &edx, 1);
                if (err) {
-                        dev_err(&pdev->dev,
+                        pr_err("Cannot determine microcode revision of "
-                                "Cannot determine microcode revision of "
+                               "CPU#%u (%d)!\n", cpu, err);
-                                "CPU#%u (%d)!\n", pdev->id, err);
                        return -ENODEV;
                } else if (edx < 0x39) {
-                        dev_err(&pdev->dev,
+                        pr_err("Errata AE18 not fixed, update BIOS or "
-                                "Errata AE18 not fixed, update BIOS or "
+                               "microcode of the CPU!\n");
-                                "microcode of the CPU!\n");
                        return -ENODEV;
                }
        }
@@ -508,6 +506,7 @@ static int create_core_data(struct platform_device *pdev,
        return 0;
 exit_free:
+        pdata->core_data[attr_no] = NULL;
        kfree(tdata);
        return err;
 }
@@ -544,11 +543,6 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
        struct platform_data *pdata;
        int err;
-        /* Check the microcode version of the CPU */
-        err = chk_ucode_version(pdev);
-        if (err)
-                return err;
        /* Initialize the per-package data structures */
        pdata = kzalloc(sizeof(struct platform_data), GFP_KERNEL);
        if (!pdata)
@@ -630,7 +624,7 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)
        }
        pdev_entry->pdev = pdev;
-        pdev_entry->phys_proc_id = TO_PHYS_ID(cpu);
+        pdev_entry->phys_proc_id = pdev->id;
        list_add_tail(&pdev_entry->list, &pdev_list);
        mutex_unlock(&pdev_list_mutex);
@@ -691,6 +685,10 @@ static void __cpuinit get_core_online(unsigned int cpu)
                return;
        if (!pdev) {
+                /* Check the microcode version of the CPU */
+                if (chk_ucode_version(cpu))
+                        return;
                /*
                 * Alright, we have DTS support.
                 * We are bringing the _first_ core in this pkg
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index f2b377c56a3a..7b0260dc76fb 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1715,7 +1715,8 @@ static void w83627ehf_device_remove_files(struct device *dev)
 }
 /* Get the monitoring functions started */
-static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
+static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data,
+                                                   enum kinds kind)
 {
        int i;
        u8 tmp, diode;
@@ -1746,10 +1747,16 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
                w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
        /* Get thermal sensor types */
-        diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
+        switch (kind) {
+        case w83627ehf:
+                diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
+                break;
+        default:
+                diode = 0x70;
+        }
        for (i = 0; i < 3; i++) {
                if ((tmp & (0x02 << i)))
-                        data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 2;
+                        data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
                else
                        data->temp_type[i] = 4; /* thermistor */
        }
@@ -2016,7 +2023,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
        }
        /* Initialize the chip */
-        w83627ehf_init_device(data);
+        w83627ehf_init_device(data, sio_data->kind);
        data->vrm = vid_which_vrm();
        superio_enter(sio_data->sioreg);
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 9827c5e686cb..811dbbd9306c 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -327,7 +327,7 @@ config BLK_DEV_OPTI621
        select BLK_DEV_IDEPCI
        help
          This is a driver for the OPTi 82C621 EIDE controller.
-          Please read the comments at the top of <file:drivers/ide/pci/opti621.c>.
+          Please read the comments at the top of <file:drivers/ide/opti621.c>.
 config BLK_DEV_RZ1000
        tristate "RZ1000 chipset bugfix/support"
@@ -365,7 +365,7 @@ config BLK_DEV_ALI15X3
          normal dual channel support.
          Please read the comments at the top of
-          <file:drivers/ide/pci/alim15x3.c>.
+          <file:drivers/ide/alim15x3.c>.
          If unsure, say N.
@@ -528,7 +528,7 @@ config BLK_DEV_NS87415
          This driver adds detection and support for the NS87415 chip
          (used mainly on SPARC64 and PA-RISC machines).
-          Please read the comments at the top of <file:drivers/ide/pci/ns87415.c>.
+          Please read the comments at the top of <file:drivers/ide/ns87415.c>.
 config BLK_DEV_PDC202XX_OLD
        tristate "PROMISE PDC202{46|62|65|67} support"
@@ -547,7 +547,7 @@ config BLK_DEV_PDC202XX_OLD
          for more than one card.
          Please read the comments at the top of
-          <file:drivers/ide/pci/pdc202xx_old.c>.
+          <file:drivers/ide/pdc202xx_old.c>.
          If unsure, say N.
@@ -593,7 +593,7 @@ config BLK_DEV_SIS5513
          ATA100: SiS635, SiS645, SiS650, SiS730, SiS735, SiS740,
          SiS745, SiS750
-          Please read the comments at the top of <file:drivers/ide/pci/sis5513.c>.
+          Please read the comments at the top of <file:drivers/ide/sis5513.c>.
 config BLK_DEV_SL82C105
        tristate "Winbond SL82c105 support"
@@ -616,7 +616,7 @@ config BLK_DEV_SLC90E66
          look-a-like to the PIIX4 it should be a nice addition.
          Please read the comments at the top of
-          <file:drivers/ide/pci/slc90e66.c>.
+          <file:drivers/ide/slc90e66.c>.
 config BLK_DEV_TRM290
        tristate "Tekram TRM290 chipset support"
@@ -625,7 +625,7 @@ config BLK_DEV_TRM290
          This driver adds support for bus master DMA transfers
          using the Tekram TRM290 PCI IDE chip. Volunteers are
          needed for further tweaking and development.
-          Please read the comments at the top of <file:drivers/ide/pci/trm290.c>.
+          Please read the comments at the top of <file:drivers/ide/trm290.c>.
 config BLK_DEV_VIA82CXXX
        tristate "VIA82CXXX chipset support"
@@ -836,7 +836,7 @@ config BLK_DEV_ALI14XX
          of the ALI M1439/1443/1445/1487/1489 chipsets, and permits faster
          I/O speeds to be set as well.
          See the files <file:Documentation/ide/ide.txt> and
-          <file:drivers/ide/legacy/ali14xx.c> for more info.
+          <file:drivers/ide/ali14xx.c> for more info.
 config BLK_DEV_DTC2278
        tristate "DTC-2278 support"
@@ -847,7 +847,7 @@ config BLK_DEV_DTC2278
          boot parameter. It enables support for the secondary IDE interface
          of the DTC-2278 card, and permits faster I/O speeds to be set as
          well. See the <file:Documentation/ide/ide.txt> and
-          <file:drivers/ide/legacy/dtc2278.c> files for more info.
+          <file:drivers/ide/dtc2278.c> files for more info.
 config BLK_DEV_HT6560B
        tristate "Holtek HT6560B support"
@@ -858,7 +858,7 @@ config BLK_DEV_HT6560B
          boot parameter. It enables support for the secondary IDE interface
          of the Holtek card, and permits faster I/O speeds to be set as well.
          See the <file:Documentation/ide/ide.txt> and
-          <file:drivers/ide/legacy/ht6560b.c> files for more info.
+          <file:drivers/ide/ht6560b.c> files for more info.
 config BLK_DEV_QD65XX
        tristate "QDI QD65xx support"
@@ -867,7 +867,7 @@ config BLK_DEV_QD65XX
        help
          This driver is enabled at runtime using the "qd65xx.probe" kernel
          boot parameter.  It permits faster I/O speeds to be set.  See the
-          <file:Documentation/ide/ide.txt> and <file:drivers/ide/legacy/qd65xx.c>
+          <file:Documentation/ide/ide.txt> and <file:drivers/ide/qd65xx.c>
          for more info.
 config BLK_DEV_UMC8672
@@ -879,7 +879,7 @@ config BLK_DEV_UMC8672
          boot parameter. It enables support for the secondary IDE interface
          of the UMC-8672, and permits faster I/O speeds to be set as well.
          See the files <file:Documentation/ide/ide.txt> and
-          <file:drivers/ide/legacy/umc8672.c> for more info.
+          <file:drivers/ide/umc8672.c> for more info.
 endif
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 274798068a54..16f69be820c7 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -435,7 +435,12 @@ static int idedisk_prep_fn(struct request_queue *q, struct request *rq)
        if (!(rq->cmd_flags & REQ_FLUSH))
                return BLKPREP_OK;
-        cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
+        if (rq->special) {
+                cmd = rq->special;
+                memset(cmd, 0, sizeof(*cmd));
+        } else {
+                cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
+        }
        /* FIXME: map struct ide_taskfile on rq->cmd[] */
        BUG_ON(cmd == NULL);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 0dc97ec15c28..9dea71849f40 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1124,11 +1124,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                for (i = 0; i < 8; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);
-                if (wacom_wac->features.type != WACOM_21UX2) {
+                input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
-                        input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
+                input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
-                        input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
-                }
                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 49da55c1528a..8c2a000cf3f5 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1698,6 +1698,8 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
        }
        ti->num_flush_requests = 1;
+        ti->discard_zeroes_data_unsupported = 1;
        return 0;
 bad:
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 89f73ca22cfa..f84c08029b21 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -81,8 +81,10 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
                 * corrupt_bio_byte <Nth_byte> <direction> <value> <bio_flags>
                 */
                if (!strcasecmp(arg_name, "corrupt_bio_byte")) {
-                        if (!argc)
+                        if (!argc) {
                                ti->error = "Feature corrupt_bio_byte requires parameters";
+                                return -EINVAL;
+                        }
                        r = dm_read_arg(_args + 1, as, &fc->corrupt_bio_byte, &ti->error);
                        if (r)
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index a002dd85db1e..86df8b2cf927 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -449,7 +449,7 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
                                rs->ti->error = "write_mostly option is only valid for RAID1";
                                return -EINVAL;
                        }
-                        if (value > rs->md.raid_disks) {
+                        if (value >= rs->md.raid_disks) {
                                rs->ti->error = "Invalid write_mostly drive index given";
                                return -EINVAL;
                        }
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 986b8754bb08..bc04518e9d8b 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1238,14 +1238,15 @@ static void dm_table_set_integrity(struct dm_table *t)
                return;
        template_disk = dm_table_get_integrity_disk(t, true);
-        if (!template_disk &&
+        if (template_disk)
-            blk_integrity_is_initialized(dm_disk(t->md))) {
+                blk_integrity_register(dm_disk(t->md),
+                                       blk_get_integrity(template_disk));
+        else if (blk_integrity_is_initialized(dm_disk(t->md)))
                DMWARN("%s: device no longer has a valid integrity profile",
                       dm_device_name(t->md));
-                return;
+        else
-        }
+                DMWARN("%s: unable to establish an integrity profile",
-        blk_integrity_register(dm_disk(t->md),
+                       dm_device_name(t->md));
-                               blk_get_integrity(template_disk));
 }
 static int device_flush_capable(struct dm_target *ti, struct dm_dev *dev,
@@ -1282,6 +1283,22 @@ static bool dm_table_supports_flush(struct dm_table *t, unsigned flush)
        return 0;
 }
+static bool dm_table_discard_zeroes_data(struct dm_table *t)
+{
+        struct dm_target *ti;
+        unsigned i = 0;
+        /* Ensure that all targets supports discard_zeroes_data. */
+        while (i < dm_table_get_num_targets(t)) {
+                ti = dm_table_get_target(t, i++);
+                if (ti->discard_zeroes_data_unsupported)
+                        return 0;
+        }
+        return 1;
+}
 void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
                               struct queue_limits *limits)
 {
@@ -1304,6 +1321,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
        }
        blk_queue_flush(q, flush);
+        if (!dm_table_discard_zeroes_data(t))
+                q->limits.discard_zeroes_data = 0;
        dm_table_set_integrity(t);
        /*
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5404b2295820..5c95ccb59500 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -61,6 +61,11 @@
 static void autostart_arrays(int part);
 #endif
+/* pers_list is a list of registered personalities protected
+ * by pers_lock.
+ * pers_lock does extra service to protect accesses to
+ * mddev->thread when the mutex cannot be held.
+ */
 static LIST_HEAD(pers_list);
 static DEFINE_SPINLOCK(pers_lock);
@@ -739,7 +744,12 @@ static void mddev_unlock(mddev_t * mddev)
        } else
                mutex_unlock(&mddev->reconfig_mutex);
+        /* was we've dropped the mutex we need a spinlock to
+         * make sur the thread doesn't disappear
+         */
+        spin_lock(&pers_lock);
        md_wakeup_thread(mddev->thread);
+        spin_unlock(&pers_lock);
 }
 static mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr)
@@ -6429,11 +6439,18 @@ mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev,
        return thread;
 }
-void md_unregister_thread(mdk_thread_t *thread)
+void md_unregister_thread(mdk_thread_t **threadp)
 {
+        mdk_thread_t *thread = *threadp;
        if (!thread)
                return;
        dprintk("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk));
+        /* Locking ensures that mddev_unlock does not wake_up a
+         * non-existent thread
+         */
+        spin_lock(&pers_lock);
+        *threadp = NULL;
+        spin_unlock(&pers_lock);
        kthread_stop(thread->tsk);
        kfree(thread);
@@ -7340,8 +7357,7 @@ static void reap_sync_thread(mddev_t *mddev)
        mdk_rdev_t *rdev;
        /* resync has finished, collect result */
-        md_unregister_thread(mddev->sync_thread);
+        md_unregister_thread(&mddev->sync_thread);
-        mddev->sync_thread = NULL;
        if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery) &&
            !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
                /* success...*/
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 1e586bb4452e..0a309dc29b45 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -560,7 +560,7 @@ extern int register_md_personality(struct mdk_personality *p);
 extern int unregister_md_personality(struct mdk_personality *p);
 extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev),
                                mddev_t *mddev, const char *name);
-extern void md_unregister_thread(mdk_thread_t *thread);
+extern void md_unregister_thread(mdk_thread_t **threadp);
 extern void md_wakeup_thread(mdk_thread_t *thread);
 extern void md_check_recovery(mddev_t *mddev);
 extern void md_write_start(mddev_t *mddev, struct bio *bi);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 3535c23af288..d5b5fb300171 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -514,8 +514,7 @@ static int multipath_stop (mddev_t *mddev)
 {
        multipath_conf_t *conf = mddev->private;
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
-        mddev->thread = NULL;
        blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
        mempool_destroy(conf->pool);
        kfree(conf->multipaths);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f4622dd8fc59..d9587dffe533 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2562,8 +2562,7 @@ static int stop(mddev_t *mddev)
        raise_barrier(conf);
        lower_barrier(conf);
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
-        mddev->thread = NULL;
        if (conf->r1bio_pool)
                mempool_destroy(conf->r1bio_pool);
        kfree(conf->mirrors);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d7a8468ddeab..0cd9672cf9cb 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2955,7 +2955,7 @@ static int run(mddev_t *mddev)
        return 0;
 out_free_conf:
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
        if (conf->r10bio_pool)
                mempool_destroy(conf->r10bio_pool);
        safe_put_page(conf->tmppage);
@@ -2973,8 +2973,7 @@ static int stop(mddev_t *mddev)
        raise_barrier(conf, 0);
        lower_barrier(conf);
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
-        mddev->thread = NULL;
        blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
        if (conf->r10bio_pool)
                mempool_destroy(conf->r10bio_pool);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 43709fa6b6df..ac5e8b57e50f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4941,8 +4941,7 @@ static int run(mddev_t *mddev)
        return 0;
 abort:
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
-        mddev->thread = NULL;
        if (conf) {
                print_raid5_conf(conf);
                free_conf(conf);
@@ -4956,8 +4955,7 @@ static int stop(mddev_t *mddev)
 {
        raid5_conf_t *conf = mddev->private;
-        md_unregister_thread(mddev->thread);
+        md_unregister_thread(&mddev->thread);
-        mddev->thread = NULL;
        if (mddev->queue)
                mddev->queue->backing_dev_info.congested_fn = NULL;
        free_conf(conf);
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 21131c7b0f1e..563654c9b19e 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -273,7 +273,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
        ct->regs.ack = JZ_REG_ADC_STATUS;
        ct->chip.irq_mask = irq_gc_mask_set_bit;
        ct->chip.irq_unmask = irq_gc_mask_clr_bit;
-        ct->chip.irq_ack = irq_gc_ack;
+        ct->chip.irq_ack = irq_gc_ack_set_bit;
        irq_setup_generic_chip(gc, IRQ_MSK(5), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index b928bc14e97b..8b51cd62d067 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -375,12 +375,14 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3)
         *      both have been read. So the value read will always be correct.
         * Set BOOT bit to refresh factory tuning values.
         */
-        lis3->read(lis3, CTRL_REG2, &reg);
+        if (lis3->pdata) {
-        if (lis3->whoami ==  WAI_12B)
+                lis3->read(lis3, CTRL_REG2, &reg);
-                reg |= CTRL2_BDU | CTRL2_BOOT;
+                if (lis3->whoami ==  WAI_12B)
-        else
+                        reg |= CTRL2_BDU | CTRL2_BOOT;
-                reg |= CTRL2_BOOT_8B;
+                else
-        lis3->write(lis3, CTRL_REG2, reg);
+                        reg |= CTRL2_BOOT_8B;
+                lis3->write(lis3, CTRL_REG2, reg);
+        }
        /* LIS3 power on delay is quite long */
        msleep(lis3->pwron_delay / lis3lv02d_get_odr());
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index e46df5331c55..9a7eb3b36cf3 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -239,13 +239,19 @@ void bnx2x_int_disable(struct bnx2x *bp);
 *  FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
 *
 */
-/* iSCSI L2 */
+enum {
-#define BNX2X_ISCSI_ETH_CL_ID_IDX       1
+        BNX2X_ISCSI_ETH_CL_ID_IDX,
-#define BNX2X_ISCSI_ETH_CID             49
+        BNX2X_FCOE_ETH_CL_ID_IDX,
+        BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
+};
-/* FCoE L2 */
+#define BNX2X_CNIC_START_ETH_CID        48
-#define BNX2X_FCOE_ETH_CL_ID_IDX        2
+enum {
-#define BNX2X_FCOE_ETH_CID              50
+        /* iSCSI L2 */
+        BNX2X_ISCSI_ETH_CID = BNX2X_CNIC_START_ETH_CID,
+        /* FCoE L2 */
+        BNX2X_FCOE_ETH_CID,
+};
 /** Additional rings budgeting */
 #ifdef BCM_CNIC
diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h
index 223bfeebc597..2dc1199239d0 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/bnx2x/bnx2x_cmn.h
@@ -1297,7 +1297,7 @@ static inline void bnx2x_init_txdata(struct bnx2x *bp,
 static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
 {
        return bp->cnic_base_cl_id + cl_idx +
-                (bp->pf_num >> 1) * NON_ETH_CONTEXT_USE;
+                (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
 }
 static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index a047eb973e3b..47b928ed08f8 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2168,7 +2168,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
        }
 re_arm:
-        queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
+        if (!bond->kill_timers)
+                queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
 out:
        read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 7f8b20a34ee3..d4fbd2e62616 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1440,7 +1440,8 @@ void bond_alb_monitor(struct work_struct *work)
        }
 re_arm:
-        queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
+        if (!bond->kill_timers)
+                queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
 out:
        read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 43f2ea541088..6d79b78cfc75 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -777,6 +777,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
        read_lock(&bond->lock);
+        if (bond->kill_timers)
+                goto out;
        /* rejoin all groups on bond device */
        __bond_resend_igmp_join_requests(bond->dev);
@@ -790,9 +793,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
                        __bond_resend_igmp_join_requests(vlan_dev);
        }
-        if (--bond->igmp_retrans > 0)
+        if ((--bond->igmp_retrans > 0) && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
+out:
        read_unlock(&bond->lock);
 }
@@ -2538,7 +2541,7 @@ void bond_mii_monitor(struct work_struct *work)
        }
 re_arm:
-        if (bond->params.miimon)
+        if (bond->params.miimon && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->mii_work,
                                   msecs_to_jiffies(bond->params.miimon));
 out:
@@ -2886,7 +2889,7 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
        }
 re_arm:
-        if (bond->params.arp_interval)
+        if (bond->params.arp_interval && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
        read_unlock(&bond->lock);
@@ -3154,7 +3157,7 @@ void bond_activebackup_arp_mon(struct work_struct *work)
        bond_ab_arp_probe(bond);
 re_arm:
-        if (bond->params.arp_interval)
+        if (bond->params.arp_interval && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
        read_unlock(&bond->lock);
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 92feac68b66e..4cc6f44c2ba2 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -261,11 +261,13 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
                void __iomem *data = &regs->tx.dsr1_0;
                u16 *payload = (u16 *)frame->data;
-                /* It is safe to write into dsr[dlc+1] */
+                for (i = 0; i < frame->can_dlc / 2; i++) {
-                for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
                        out_be16(data, *payload++);
                        data += 2 + _MSCAN_RESERVED_DSR_SIZE;
                }
+                /* write remaining byte if necessary */
+                if (frame->can_dlc & 1)
+                        out_8(data, frame->data[frame->can_dlc - 1]);
        }
        out_8(&regs->tx.dlr, frame->can_dlc);
@@ -330,10 +332,13 @@ static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
                void __iomem *data = &regs->rx.dsr1_0;
                u16 *payload = (u16 *)frame->data;
-                for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+                for (i = 0; i < frame->can_dlc / 2; i++) {
                        *payload++ = in_be16(data);
                        data += 2 + _MSCAN_RESERVED_DSR_SIZE;
                }
+                /* read remaining byte if necessary */
+                if (frame->can_dlc & 1)
+                        frame->data[frame->can_dlc - 1] = in_8(data);
        }
        out_8(&regs->canrflg, MSCAN_RXF);
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index c9957b7f17b5..b4efa292fd6f 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -3712,6 +3712,9 @@ static int __devinit init_one(struct pci_dev *pdev,
                setup_debugfs(adapter);
        }
+        /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
+        pdev->needs_freset = 1;
        if (is_offload(adapter))
                attach_ulds(adapter);
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 8dd5fccef725..d393f1e764ed 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -636,8 +636,8 @@ static int ibmveth_open(struct net_device *netdev)
                netdev_err(netdev, "unable to request irq 0x%x, rc %d\n",
                           netdev->irq, rc);
                do {
-                        rc = h_free_logical_lan(adapter->vdev->unit_address);
+                        lpar_rc = h_free_logical_lan(adapter->vdev->unit_address);
-                } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY));
+                } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY));
                goto err_out;
        }
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 05172c39a0ce..376e3e94bae0 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -239,7 +239,7 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
                dest = macvlan_hash_lookup(port, eth->h_dest);
                if (dest && dest->mode == MACVLAN_MODE_BRIDGE) {
                        /* send to lowerdev first for its network taps */
-                        vlan->forward(vlan->lowerdev, skb);
+                        dev_forward_skb(vlan->lowerdev, skb);
                        return NET_XMIT_SUCCESS;
                }
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 6e03de034ac7..f76ab6bf3096 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -172,7 +172,7 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
        memset(ring->buf, 0, ring->buf_size);
        ring->qp_state = MLX4_QP_STATE_RST;
-        ring->doorbell_qpn = swab32(ring->qp.qpn << 8);
+        ring->doorbell_qpn = ring->qp.qpn << 8;
        mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn,
                                ring->cqn, &ring->context);
@@ -791,7 +791,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
                skb_orphan(skb);
        if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tag) {
-                *(u32 *) (&tx_desc->ctrl.vlan_tag) |= ring->doorbell_qpn;
+                *(__be32 *) (&tx_desc->ctrl.vlan_tag) |= cpu_to_be32(ring->doorbell_qpn);
                op_own |= htonl((bf_index & 0xffff) << 8);
                /* Ensure new descirptor hits memory
                * before setting ownership of this descriptor to HW */
@@ -812,7 +812,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
                wmb();
                tx_desc->ctrl.owner_opcode = op_own;
                wmb();
-                writel(ring->doorbell_qpn, ring->bf.uar->map + MLX4_SEND_DOORBELL);
+                iowrite32be(ring->doorbell_qpn, ring->bf.uar->map + MLX4_SEND_DOORBELL);
        }
        /* Poll CQ here */
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 567ff10889be..b8b4ba27b0e7 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -1199,6 +1199,8 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
                        iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR),
                                  &hw->reg->INT_EN);
                        pch_gbe_stop_receive(adapter);
+                        int_st |= ioread32(&hw->reg->INT_ST);
+                        int_st = int_st & ioread32(&hw->reg->INT_EN);
                }
        if (int_st & PCH_GBE_INT_RX_DMA_ERR)
                adapter->stats.intr_rx_dma_err_count++;
@@ -1218,14 +1220,11 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
                        /* Set Pause packet */
                        pch_gbe_mac_set_pause_packet(hw);
                }
-                if ((int_en & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))
-                    == 0) {
-                        return IRQ_HANDLED;
-                }
        }
        /* When request status is Receive interruption */
-        if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))) {
+        if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT)) ||
+            (adapter->rx_stop_flag == true)) {
                if (likely(napi_schedule_prep(&adapter->napi))) {
                        /* Enable only Rx Descriptor empty */
                        atomic_inc(&adapter->irq_sem);
@@ -1385,7 +1384,7 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
        struct sk_buff *skb;
        unsigned int i;
        unsigned int cleaned_count = 0;
-        bool cleaned = false;
+        bool cleaned = true;
        pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean);
@@ -1396,7 +1395,6 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
        while ((tx_desc->gbec_status & DSC_INIT16) == 0x0000) {
                pr_debug("gbec_status:0x%04x\n", tx_desc->gbec_status);
-                cleaned = true;
                buffer_info = &tx_ring->buffer_info[i];
                skb = buffer_info->skb;
@@ -1439,8 +1437,10 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
                tx_desc = PCH_GBE_TX_DESC(*tx_ring, i);
                /* weight of a sort for tx, to avoid endless transmit cleanup */
-                if (cleaned_count++ == PCH_GBE_TX_WEIGHT)
+                if (cleaned_count++ == PCH_GBE_TX_WEIGHT) {
+                        cleaned = false;
                        break;
+                }
        }
        pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n",
                 cleaned_count);
@@ -2168,7 +2168,6 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 {
        struct pch_gbe_adapter *adapter =
            container_of(napi, struct pch_gbe_adapter, napi);
-        struct net_device *netdev = adapter->netdev;
        int work_done = 0;
        bool poll_end_flag = false;
        bool cleaned = false;
@@ -2176,33 +2175,32 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
        pr_debug("budget : %d\n", budget);
-        /* Keep link state information with original netdev */
+        pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
-        if (!netif_carrier_ok(netdev)) {
+        cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
+        if (!cleaned)
+                work_done = budget;
+        /* If no Tx and not enough Rx work done,
+         * exit the polling mode
+         */
+        if (work_done < budget)
                poll_end_flag = true;
-        } else {
-                pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
+        if (poll_end_flag) {
+                napi_complete(napi);
+                if (adapter->rx_stop_flag) {
+                        adapter->rx_stop_flag = false;
+                        pch_gbe_start_receive(&adapter->hw);
+                }
+                pch_gbe_irq_enable(adapter);
+        } else
                if (adapter->rx_stop_flag) {
                        adapter->rx_stop_flag = false;
                        pch_gbe_start_receive(&adapter->hw);
                        int_en = ioread32(&adapter->hw.reg->INT_EN);
                        iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR),
-                                        &adapter->hw.reg->INT_EN);
+                                &adapter->hw.reg->INT_EN);
                }
-                cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
-                if (cleaned)
-                        work_done = budget;
-                /* If no Tx and not enough Rx work done,
-                 * exit the polling mode
-                 */
-                if ((work_done < budget) || !netif_running(netdev))
-                        poll_end_flag = true;
-        }
-        if (poll_end_flag) {
-                napi_complete(napi);
-                pch_gbe_irq_enable(adapter);
-        }
        pr_debug("poll_end_flag : %d  work_done : %d  budget : %d\n",
                 poll_end_flag, work_done, budget);
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index cb6e0b486b1e..edd7304773eb 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -589,7 +589,7 @@ static void decode_rxts(struct dp83640_private *dp83640,
        prune_rx_ts(dp83640);
        if (list_empty(&dp83640->rxpool)) {
-                pr_warning("dp83640: rx timestamp pool is empty\n");
+                pr_debug("dp83640: rx timestamp pool is empty\n");
                goto out;
        }
        rxts = list_first_entry(&dp83640->rxpool, struct rxts, list);
@@ -612,7 +612,7 @@ static void decode_txts(struct dp83640_private *dp83640,
        skb = skb_dequeue(&dp83640->tx_queue);
        if (!skb) {
-                pr_warning("dp83640: have timestamp but tx_queue empty\n");
+                pr_debug("dp83640: have timestamp but tx_queue empty\n");
                return;
        }
        ns = phy2txts(phy_txts);
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 0ca86f9ec4ed..182562952c79 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -327,12 +327,12 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
        xenvif_get(vif);
        rtnl_lock();
-        if (netif_running(vif->dev))
-                xenvif_up(vif);
        if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN)
                dev_set_mtu(vif->dev, ETH_DATA_LEN);
        netdev_update_features(vif->dev);
        netif_carrier_on(vif->dev);
+        if (netif_running(vif->dev))
+                xenvif_up(vif);
        rtnl_unlock();
        return 0;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4e84fd4a4312..e9651f0a8817 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -77,7 +77,7 @@ unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE;
 unsigned long pci_hotplug_io_size  = DEFAULT_HOTPLUG_IO_SIZE;
 unsigned long pci_hotplug_mem_size = DEFAULT_HOTPLUG_MEM_SIZE;
-enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_SAFE;
+enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_TUNE_OFF;
 /*
 * The default CLS is used if arch didn't set CLS explicitly and not
@@ -3568,10 +3568,14 @@ static int __init pci_setup(char *str)
                                pci_hotplug_io_size = memparse(str + 9, &str);
                        } else if (!strncmp(str, "hpmemsize=", 10)) {
                                pci_hotplug_mem_size = memparse(str + 10, &str);
+                        } else if (!strncmp(str, "pcie_bus_tune_off", 17)) {
+                                pcie_bus_config = PCIE_BUS_TUNE_OFF;
                        } else if (!strncmp(str, "pcie_bus_safe", 13)) {
                                pcie_bus_config = PCIE_BUS_SAFE;
                        } else if (!strncmp(str, "pcie_bus_perf", 13)) {
                                pcie_bus_config = PCIE_BUS_PERFORMANCE;
+                        } else if (!strncmp(str, "pcie_bus_peer2peer", 18)) {
+                                pcie_bus_config = PCIE_BUS_PEER2PEER;
                        } else {
                                printk(KERN_ERR "PCI: Unknown option `%s'\n",
                                                str);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index f3f94a5c068f..6ab6bd3df4b2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1458,12 +1458,24 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data)
 */
 void pcie_bus_configure_settings(struct pci_bus *bus, u8 mpss)
 {
-        u8 smpss = mpss;
+        u8 smpss;
        if (!pci_is_pcie(bus->self))
                return;
+        if (pcie_bus_config == PCIE_BUS_TUNE_OFF)
+                return;
+        /* FIXME - Peer to peer DMA is possible, though the endpoint would need
+         * to be aware to the MPS of the destination.  To work around this,
+         * simply force the MPS of the entire system to the smallest possible.
+         */
+        if (pcie_bus_config == PCIE_BUS_PEER2PEER)
+                smpss = 0;
        if (pcie_bus_config == PCIE_BUS_SAFE) {
+                smpss = mpss;
                pcie_find_smpss(bus->self, &smpss);
                pci_walk_bus(bus, pcie_find_smpss, &smpss);
        }
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index c9e3dc024bc3..16ad97df5ba6 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1769,10 +1769,12 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
                sas_disable_routing(parent, phy->attached_sas_addr);
        }
        memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
-        sas_port_delete_phy(phy->port, phy->phy);
+        if (phy->port) {
-        if (phy->port->num_phys == 0)
+                sas_port_delete_phy(phy->port, phy->phy);
-                sas_port_delete(phy->port);
+                if (phy->port->num_phys == 0)
-        phy->port = NULL;
+                        sas_port_delete(phy->port);
+                phy->port = NULL;
+        }
 }
 static int sas_discover_bfs_by_root_level(struct domain_device *root,
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 4cace3f20c04..1e69527f1e4e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1328,10 +1328,9 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
                                        qla2x00_sp_compl(ha, sp);
                                } else {
                                        ctx = sp->ctx;
-                                        if (ctx->type == SRB_LOGIN_CMD ||
+                                        if (ctx->type == SRB_ELS_CMD_RPT ||
-                                            ctx->type == SRB_LOGOUT_CMD) {
+                                            ctx->type == SRB_ELS_CMD_HST ||
-                                                ctx->u.iocb_cmd->free(sp);
+                                            ctx->type == SRB_CT_CMD) {
-                                        } else {
                                                struct fc_bsg_job *bsg_job =
                                                    ctx->u.bsg_job;
                                                if (bsg_job->request->msgcode
@@ -1343,6 +1342,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
                                                kfree(sp->ctx);
                                                mempool_free(sp,
                                                        ha->srb_mempool);
+                                        } else {
+                                                ctx->u.iocb_cmd->free(sp);
                                        }
                                }
                        }
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 1d23f3831866..6a80749391db 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -50,6 +50,8 @@
 #define PCH_RX_THOLD            7
 #define PCH_RX_THOLD_MAX        15
+#define PCH_TX_THOLD            2
 #define PCH_MAX_BAUDRATE        5000000
 #define PCH_MAX_FIFO_DEPTH      16
@@ -58,6 +60,7 @@
 #define PCH_SLEEP_TIME          10
 #define SSN_LOW                 0x02U
+#define SSN_HIGH                0x03U
 #define SSN_NO_CONTROL          0x00U
 #define PCH_MAX_CS              0xFF
 #define PCI_DEVICE_ID_GE_SPI    0x8816
@@ -316,16 +319,19 @@ static void pch_spi_handler_sub(struct pch_spi_data *data, u32 reg_spsr_val,
        /* if transfer complete interrupt */
        if (reg_spsr_val & SPSR_FI_BIT) {
-                if (tx_index < bpw_len)
+                if ((tx_index == bpw_len) && (rx_index == tx_index)) {
+                        /* disable interrupts */
+                        pch_spi_setclr_reg(data->master, PCH_SPCR, 0, PCH_ALL);
+                        /* transfer is completed;
+                           inform pch_spi_process_messages */
+                        data->transfer_complete = true;
+                        data->transfer_active = false;
+                        wake_up(&data->wait);
+                } else {
                        dev_err(&data->master->dev,
                                "%s : Transfer is not completed", __func__);
-                /* disable interrupts */
+                }
-                pch_spi_setclr_reg(data->master, PCH_SPCR, 0, PCH_ALL);
-                /* transfer is completed;inform pch_spi_process_messages */
-                data->transfer_complete = true;
-                data->transfer_active = false;
-                wake_up(&data->wait);
        }
 }
@@ -348,16 +354,26 @@ static irqreturn_t pch_spi_handler(int irq, void *dev_id)
                        "%s returning due to suspend\n", __func__);
                return IRQ_NONE;
        }
-        if (data->use_dma)
-                return IRQ_NONE;
        io_remap_addr = data->io_remap_addr;
        spsr = io_remap_addr + PCH_SPSR;
        reg_spsr_val = ioread32(spsr);
-        if (reg_spsr_val & SPSR_ORF_BIT)
+        if (reg_spsr_val & SPSR_ORF_BIT) {
-                dev_err(&board_dat->pdev->dev, "%s Over run error", __func__);
+                dev_err(&board_dat->pdev->dev, "%s Over run error\n", __func__);
+                if (data->current_msg->complete != 0) {
+                        data->transfer_complete = true;
+                        data->current_msg->status = -EIO;
+                        data->current_msg->complete(data->current_msg->context);
+                        data->bcurrent_msg_processing = false;
+                        data->current_msg = NULL;
+                        data->cur_trans = NULL;
+                }
+        }
+        if (data->use_dma)
+                return IRQ_NONE;
        /* Check if the interrupt is for SPI device */
        if (reg_spsr_val & (SPSR_FI_BIT | SPSR_RFI_BIT)) {
@@ -756,10 +772,6 @@ static void pch_spi_set_ir(struct pch_spi_data *data)
        wait_event_interruptible(data->wait, data->transfer_complete);
-        pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL);
-        dev_dbg(&data->master->dev,
-                "%s:no more control over SSN-writing 0 to SSNXCR.", __func__);
        /* clear all interrupts */
        pch_spi_writereg(data->master, PCH_SPSR,
                         pch_spi_readreg(data->master, PCH_SPSR));
@@ -815,10 +827,11 @@ static void pch_spi_copy_rx_data_for_dma(struct pch_spi_data *data, int bpw)
        }
 }
-static void pch_spi_start_transfer(struct pch_spi_data *data)
+static int pch_spi_start_transfer(struct pch_spi_data *data)
 {
        struct pch_spi_dma_ctrl *dma;
        unsigned long flags;
+        int rtn;
        dma = &data->dma;
@@ -833,19 +846,23 @@ static void pch_spi_start_transfer(struct pch_spi_data *data)
                                 initiating the transfer. */
        dev_dbg(&data->master->dev,
                "%s:waiting for transfer to get over\n", __func__);
-        wait_event_interruptible(data->wait, data->transfer_complete);
+        rtn = wait_event_interruptible_timeout(data->wait,
+                                               data->transfer_complete,
+                                               msecs_to_jiffies(2 * HZ));
        dma_sync_sg_for_cpu(&data->master->dev, dma->sg_rx_p, dma->nent,
                            DMA_FROM_DEVICE);
+        dma_sync_sg_for_cpu(&data->master->dev, dma->sg_tx_p, dma->nent,
+                            DMA_FROM_DEVICE);
+        memset(data->dma.tx_buf_virt, 0, PAGE_SIZE);
        async_tx_ack(dma->desc_rx);
        async_tx_ack(dma->desc_tx);
        kfree(dma->sg_tx_p);
        kfree(dma->sg_rx_p);
        spin_lock_irqsave(&data->lock, flags);
-        pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL);
-        dev_dbg(&data->master->dev,
-                "%s:no more control over SSN-writing 0 to SSNXCR.", __func__);
        /* clear fifo threshold, disable interrupts, disable SPI transfer */
        pch_spi_setclr_reg(data->master, PCH_SPCR, 0,
@@ -858,6 +875,8 @@ static void pch_spi_start_transfer(struct pch_spi_data *data)
        pch_spi_clear_fifo(data->master);
        spin_unlock_irqrestore(&data->lock, flags);
+        return rtn;
 }
 static void pch_dma_rx_complete(void *arg)
@@ -1023,8 +1042,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
        /* set receive fifo threshold and transmit fifo threshold */
        pch_spi_setclr_reg(data->master, PCH_SPCR,
                           ((size - 1) << SPCR_RFIC_FIELD) |
-                           ((PCH_MAX_FIFO_DEPTH - PCH_DMA_TRANS_SIZE) <<
+                           (PCH_TX_THOLD << SPCR_TFIC_FIELD),
-                            SPCR_TFIC_FIELD),
                           MASK_RFIC_SPCR_BITS | MASK_TFIC_SPCR_BITS);
        spin_unlock_irqrestore(&data->lock, flags);
@@ -1035,13 +1053,20 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
        /* offset, length setting */
        sg = dma->sg_rx_p;
        for (i = 0; i < num; i++, sg++) {
-                if (i == 0) {
+                if (i == (num - 2)) {
-                        sg->offset = 0;
+                        sg->offset = size * i;
+                        sg->offset = sg->offset * (*bpw / 8);
                        sg_set_page(sg, virt_to_page(dma->rx_buf_virt), rem,
                                    sg->offset);
                        sg_dma_len(sg) = rem;
+                } else if (i == (num - 1)) {
+                        sg->offset = size * (i - 1) + rem;
+                        sg->offset = sg->offset * (*bpw / 8);
+                        sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size,
+                                    sg->offset);
+                        sg_dma_len(sg) = size;
                } else {
-                        sg->offset = rem + size * (i - 1);
+                        sg->offset = size * i;
                        sg->offset = sg->offset * (*bpw / 8);
                        sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size,
                                    sg->offset);
@@ -1065,6 +1090,16 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
        dma->desc_rx = desc_rx;
        /* TX */
+        if (data->bpw_len > PCH_DMA_TRANS_SIZE) {
+                num = data->bpw_len / PCH_DMA_TRANS_SIZE;
+                size = PCH_DMA_TRANS_SIZE;
+                rem = 16;
+        } else {
+                num = 1;
+                size = data->bpw_len;
+                rem = data->bpw_len;
+        }
        dma->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC);
        sg_init_table(dma->sg_tx_p, num); /* Initialize SG table */
        /* offset, length setting */
@@ -1162,6 +1197,7 @@ static void pch_spi_process_messages(struct work_struct *pwork)
        if (data->use_dma)
                pch_spi_request_dma(data,
                                    data->current_msg->spi->bits_per_word);
+        pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL);
        do {
                /* If we are already processing a message get the next
                transfer structure from the message otherwise retrieve
@@ -1184,7 +1220,8 @@ static void pch_spi_process_messages(struct work_struct *pwork)
                if (data->use_dma) {
                        pch_spi_handle_dma(data, &bpw);
-                        pch_spi_start_transfer(data);
+                        if (!pch_spi_start_transfer(data))
+                                goto out;
                        pch_spi_copy_rx_data_for_dma(data, bpw);
                } else {
                        pch_spi_set_tx(data, &bpw);
@@ -1222,6 +1259,8 @@ static void pch_spi_process_messages(struct work_struct *pwork)
        } while (data->cur_trans != NULL);
+out:
+        pch_spi_writereg(data->master, PCH_SSNXCR, SSN_HIGH);
        if (data->use_dma)
                pch_spi_release_dma(data);
 }
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 1a7c19ae766f..8b307b428791 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -411,7 +411,8 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
                                skb->protocol = eth_type_trans(skb, dev);
                                skb->dev = dev;
-                                if (unlikely(work->word2.s.not_IP || work->word2.s.IP_exc || work->word2.s.L4_error))
+                                if (unlikely(work->word2.s.not_IP || work->word2.s.IP_exc ||
+                                        work->word2.s.L4_error || !work->word2.s.tcp_or_udp))
                                        skb->ip_summed = CHECKSUM_NONE;
                                else
                                        skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index 58cf279ed879..bc95f52cad8b 100644
--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c
@@ -478,8 +478,10 @@ lqasc_set_termios(struct uart_port *port,
        spin_unlock_irqrestore(&ltq_asc_lock, flags);
        /* Don't rewrite B0 */
-        if (tty_termios_baud_rate(new))
+        if (tty_termios_baud_rate(new))
                tty_termios_encode_baud_rate(new, baud, baud);
+        uart_update_timeout(port, cflag, baud);
 }
 static const char*
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a381cd22f518..e4e57d59edb7 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1036,11 +1036,13 @@ out:
 * on error we return an unlocked page and the error value
 * on success we return a locked page and 0
 */
-static int prepare_uptodate_page(struct page *page, u64 pos)
+static int prepare_uptodate_page(struct page *page, u64 pos,
+                                 bool force_uptodate)
 {
        int ret = 0;
-        if ((pos & (PAGE_CACHE_SIZE - 1)) && !PageUptodate(page)) {
+        if (((pos & (PAGE_CACHE_SIZE - 1)) || force_uptodate) &&
+            !PageUptodate(page)) {
                ret = btrfs_readpage(NULL, page);
                if (ret)
                        return ret;
@@ -1061,7 +1063,7 @@ static int prepare_uptodate_page(struct page *page, u64 pos)
 static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
                         struct page **pages, size_t num_pages,
                         loff_t pos, unsigned long first_index,
-                         size_t write_bytes)
+                         size_t write_bytes, bool force_uptodate)
 {
        struct extent_state *cached_state = NULL;
        int i;
@@ -1086,10 +1088,11 @@ again:
                }
                if (i == 0)
-                        err = prepare_uptodate_page(pages[i], pos);
+                        err = prepare_uptodate_page(pages[i], pos,
+                                                    force_uptodate);
                if (i == num_pages - 1)
                        err = prepare_uptodate_page(pages[i],
-                                                    pos + write_bytes);
+                                                    pos + write_bytes, false);
                if (err) {
                        page_cache_release(pages[i]);
                        faili = i - 1;
@@ -1158,6 +1161,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
        size_t num_written = 0;
        int nrptrs;
        int ret = 0;
+        bool force_page_uptodate = false;
        nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) /
                     PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
@@ -1200,7 +1204,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
                 * contents of pages from loop to loop
                 */
                ret = prepare_pages(root, file, pages, num_pages,
-                                    pos, first_index, write_bytes);
+                                    pos, first_index, write_bytes,
+                                    force_page_uptodate);
                if (ret) {
                        btrfs_delalloc_release_space(inode,
                                        num_pages << PAGE_CACHE_SHIFT);
@@ -1217,12 +1222,15 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
                if (copied < write_bytes)
                        nrptrs = 1;
-                if (copied == 0)
+                if (copied == 0) {
+                        force_page_uptodate = true;
                        dirty_pages = 0;
-                else
+                } else {
+                        force_page_uptodate = false;
                        dirty_pages = (copied + offset +
                                       PAGE_CACHE_SIZE - 1) >>
                                       PAGE_CACHE_SHIFT;
+                }
                /*
                 * If we had a short copy we need to release the excess delaloc
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 538f65a79ec5..dae5dfe41ba5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1047,7 +1047,16 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
        if (!max_to_defrag)
                max_to_defrag = last_index - 1;
-        while (i <= last_index && defrag_count < max_to_defrag) {
+        /*
+         * make writeback starts from i, so the defrag range can be
+         * written sequentially.
+         */
+        if (i < inode->i_mapping->writeback_index)
+                inode->i_mapping->writeback_index = i;
+        while (i <= last_index && defrag_count < max_to_defrag &&
+               (i < (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
+                PAGE_CACHE_SHIFT)) {
                /*
                 * make sure we stop running if someone unmounts
                 * the FS
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f4af4cc37500..71beb0201970 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2018,7 +2018,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
                warned_on_ntlm = true;
                cERROR(1, "default security mechanism requested.  The default "
                        "security mechanism will be upgraded from ntlm to "
-                        "ntlmv2 in kernel release 3.1");
+                        "ntlmv2 in kernel release 3.2");
        }
        ses->overrideSecFlg = volume_info->secFlg;
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index cac2ecfa6746..ef43fce519a1 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -629,7 +629,7 @@ xfs_buf_item_push(
 * the xfsbufd to get this buffer written. We have to unlock the buffer
 * to allow the xfsbufd to write it, too.
 */
-STATIC void
+STATIC bool
 xfs_buf_item_pushbuf(
        struct xfs_log_item     *lip)
 {
@@ -643,6 +643,7 @@ xfs_buf_item_pushbuf(
        xfs_buf_delwri_promote(bp);
        xfs_buf_relse(bp);
+        return true;
 }
 STATIC void
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 9e0e2fa3f2c8..bb3f71d236d2 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -183,13 +183,14 @@ xfs_qm_dqunpin_wait(
 * search the buffer cache can be a time consuming thing, and AIL lock is a
 * spinlock.
 */
-STATIC void
+STATIC bool
 xfs_qm_dquot_logitem_pushbuf(
        struct xfs_log_item     *lip)
 {
        struct xfs_dq_logitem   *qlip = DQUOT_ITEM(lip);
        struct xfs_dquot        *dqp = qlip->qli_dquot;
        struct xfs_buf          *bp;
+        bool                    ret = true;
        ASSERT(XFS_DQ_IS_LOCKED(dqp));
@@ -201,17 +202,20 @@ xfs_qm_dquot_logitem_pushbuf(
        if (completion_done(&dqp->q_flush) ||
            !(lip->li_flags & XFS_LI_IN_AIL)) {
                xfs_dqunlock(dqp);
-                return;
+                return true;
        }
        bp = xfs_incore(dqp->q_mount->m_ddev_targp, qlip->qli_format.qlf_blkno,
                        dqp->q_mount->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK);
        xfs_dqunlock(dqp);
        if (!bp)
-                return;
+                return true;
        if (XFS_BUF_ISDELAYWRITE(bp))
                xfs_buf_delwri_promote(bp);
+        if (xfs_buf_ispinned(bp))
+                ret = false;
        xfs_buf_relse(bp);
+        return ret;
 }
 /*
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 588406dc6a35..836ad80d4f2b 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -708,13 +708,14 @@ xfs_inode_item_committed(
 * marked delayed write. If that's the case, we'll promote it and that will
 * allow the caller to write the buffer by triggering the xfsbufd to run.
 */
-STATIC void
+STATIC bool
 xfs_inode_item_pushbuf(
        struct xfs_log_item     *lip)
 {
        struct xfs_inode_log_item *iip = INODE_ITEM(lip);
        struct xfs_inode        *ip = iip->ili_inode;
        struct xfs_buf          *bp;
+        bool                    ret = true;
        ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED));
@@ -725,7 +726,7 @@ xfs_inode_item_pushbuf(
        if (completion_done(&ip->i_flush) ||
            !(lip->li_flags & XFS_LI_IN_AIL)) {
                xfs_iunlock(ip, XFS_ILOCK_SHARED);
-                return;
+                return true;
        }
        bp = xfs_incore(ip->i_mount->m_ddev_targp, iip->ili_format.ilf_blkno,
@@ -733,10 +734,13 @@ xfs_inode_item_pushbuf(
        xfs_iunlock(ip, XFS_ILOCK_SHARED);
        if (!bp)
-                return;
+                return true;
        if (XFS_BUF_ISDELAYWRITE(bp))
                xfs_buf_delwri_promote(bp);
+        if (xfs_buf_ispinned(bp))
+                ret = false;
        xfs_buf_relse(bp);
+        return ret;
 }
 /*
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 1e8a45e74c3e..828662f70d64 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -68,6 +68,8 @@
 #include <linux/ctype.h>
 #include <linux/writeback.h>
 #include <linux/capability.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
 #include <linux/list_sort.h>
 #include <asm/page.h>
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 2366c54cc4fa..5cf06b85fd9d 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1652,24 +1652,13 @@ xfs_init_workqueues(void)
         */
        xfs_syncd_wq = alloc_workqueue("xfssyncd", WQ_CPU_INTENSIVE, 8);
        if (!xfs_syncd_wq)
-                goto out;
+                return -ENOMEM;
-        xfs_ail_wq = alloc_workqueue("xfsail", WQ_CPU_INTENSIVE, 8);
-        if (!xfs_ail_wq)
-                goto out_destroy_syncd;
        return 0;
-out_destroy_syncd:
-        destroy_workqueue(xfs_syncd_wq);
-out:
-        return -ENOMEM;
 }
 STATIC void
 xfs_destroy_workqueues(void)
 {
-        destroy_workqueue(xfs_ail_wq);
        destroy_workqueue(xfs_syncd_wq);
 }
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 06a9759b6352..53597f4db9b5 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -350,7 +350,7 @@ typedef struct xfs_item_ops {
        void (*iop_unlock)(xfs_log_item_t *);
        xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
        void (*iop_push)(xfs_log_item_t *);
-        void (*iop_pushbuf)(xfs_log_item_t *);
+        bool (*iop_pushbuf)(xfs_log_item_t *);
        void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
 } xfs_item_ops_t;
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index c15aa29fa169..3a1e7ca54c2d 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -28,8 +28,6 @@
 #include "xfs_trans_priv.h"
 #include "xfs_error.h"
-struct workqueue_struct *xfs_ail_wq;    /* AIL workqueue */
 #ifdef DEBUG
 /*
 * Check that the list is sorted as it should be.
@@ -356,16 +354,10 @@ xfs_ail_delete(
        xfs_trans_ail_cursor_clear(ailp, lip);
 }
-/*
+static long
- * xfs_ail_worker does the work of pushing on the AIL. It will requeue itself
+xfsaild_push(
- * to run at a later time if there is more work to do to complete the push.
+        struct xfs_ail          *ailp)
- */
-STATIC void
-xfs_ail_worker(
-        struct work_struct      *work)
 {
-        struct xfs_ail          *ailp = container_of(to_delayed_work(work),
-                                        struct xfs_ail, xa_work);
        xfs_mount_t             *mp = ailp->xa_mount;
        struct xfs_ail_cursor   cur;
        xfs_log_item_t          *lip;
@@ -427,8 +419,13 @@ xfs_ail_worker(
                case XFS_ITEM_PUSHBUF:
                        XFS_STATS_INC(xs_push_ail_pushbuf);
-                        IOP_PUSHBUF(lip);
-                        ailp->xa_last_pushed_lsn = lsn;
+                        if (!IOP_PUSHBUF(lip)) {
+                                stuck++;
+                                flush_log = 1;
+                        } else {
+                                ailp->xa_last_pushed_lsn = lsn;
+                        }
                        push_xfsbufd = 1;
                        break;
@@ -440,7 +437,6 @@ xfs_ail_worker(
                case XFS_ITEM_LOCKED:
                        XFS_STATS_INC(xs_push_ail_locked);
-                        ailp->xa_last_pushed_lsn = lsn;
                        stuck++;
                        break;
@@ -501,20 +497,6 @@ out_done:
                /* We're past our target or empty, so idle */
                ailp->xa_last_pushed_lsn = 0;
-                /*
-                 * We clear the XFS_AIL_PUSHING_BIT first before checking
-                 * whether the target has changed. If the target has changed,
-                 * this pushes the requeue race directly onto the result of the
-                 * atomic test/set bit, so we are guaranteed that either the
-                 * the pusher that changed the target or ourselves will requeue
-                 * the work (but not both).
-                 */
-                clear_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags);
-                smp_rmb();
-                if (XFS_LSN_CMP(ailp->xa_target, target) == 0 ||
-                    test_and_set_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags))
-                        return;
                tout = 50;
        } else if (XFS_LSN_CMP(lsn, target) >= 0) {
                /*
@@ -537,9 +519,30 @@ out_done:
                tout = 20;
        }
-        /* There is more to do, requeue us.  */
+        return tout;
-        queue_delayed_work(xfs_syncd_wq, &ailp->xa_work,
+}
-                                        msecs_to_jiffies(tout));
+static int
+xfsaild(
+        void            *data)
+{
+        struct xfs_ail  *ailp = data;
+        long            tout = 0;       /* milliseconds */
+        while (!kthread_should_stop()) {
+                if (tout && tout <= 20)
+                        __set_current_state(TASK_KILLABLE);
+                else
+                        __set_current_state(TASK_INTERRUPTIBLE);
+                schedule_timeout(tout ?
+                                 msecs_to_jiffies(tout) : MAX_SCHEDULE_TIMEOUT);
+                try_to_freeze();
+                tout = xfsaild_push(ailp);
+        }
+        return 0;
 }
 /*
@@ -574,8 +577,9 @@ xfs_ail_push(
         */
        smp_wmb();
        xfs_trans_ail_copy_lsn(ailp, &ailp->xa_target, &threshold_lsn);
-        if (!test_and_set_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags))
+        smp_wmb();
-                queue_delayed_work(xfs_syncd_wq, &ailp->xa_work, 0);
+        wake_up_process(ailp->xa_task);
 }
 /*
@@ -813,9 +817,18 @@ xfs_trans_ail_init(
        INIT_LIST_HEAD(&ailp->xa_ail);
        INIT_LIST_HEAD(&ailp->xa_cursors);
        spin_lock_init(&ailp->xa_lock);
-        INIT_DELAYED_WORK(&ailp->xa_work, xfs_ail_worker);
+        ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild/%s",
+                        ailp->xa_mount->m_fsname);
+        if (IS_ERR(ailp->xa_task))
+                goto out_free_ailp;
        mp->m_ail = ailp;
        return 0;
+out_free_ailp:
+        kmem_free(ailp);
+        return ENOMEM;
 }
 void
@@ -824,6 +837,6 @@ xfs_trans_ail_destroy(
 {
        struct xfs_ail  *ailp = mp->m_ail;
-        cancel_delayed_work_sync(&ailp->xa_work);
+        kthread_stop(ailp->xa_task);
        kmem_free(ailp);
 }
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 212946b97239..22750b5e4a8f 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -64,23 +64,17 @@ struct xfs_ail_cursor {
 */
 struct xfs_ail {
        struct xfs_mount        *xa_mount;
+        struct task_struct      *xa_task;
        struct list_head        xa_ail;
        xfs_lsn_t               xa_target;
        struct list_head        xa_cursors;
        spinlock_t              xa_lock;
-        struct delayed_work     xa_work;
        xfs_lsn_t               xa_last_pushed_lsn;
-        unsigned long           xa_flags;
 };
-#define XFS_AIL_PUSHING_BIT     0
 /*
 * From xfs_trans_ail.c
 */
-extern struct workqueue_struct  *xfs_ail_wq;    /* AIL workqueue */
 void    xfs_trans_ail_update_bulk(struct xfs_ail *ailp,
                                struct xfs_ail_cursor *cur,
                                struct xfs_log_item **log_items, int nr_items,
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3fa1f3d90ce0..99e3e50b5c57 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -197,6 +197,11 @@ struct dm_target {
         * whether or not its underlying devices have support.
         */
        unsigned discards_supported:1;
+        /*
+         * Set if this target does not return zeroes on discarded blocks.
+         */
+        unsigned discard_zeroes_data_unsupported:1;
 };
 /* Each target can link one of these into the table */
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index e807ad687a07..3ad553e8eae2 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -80,6 +80,7 @@ extern void irq_domain_del(struct irq_domain *domain);
 #endif /* CONFIG_IRQ_DOMAIN */
 #if defined(CONFIG_IRQ_DOMAIN) && defined(CONFIG_OF_IRQ)
+extern struct irq_domain_ops irq_domain_simple_ops;
 extern void irq_domain_add_simple(struct device_node *controller, int irq_base);
 extern void irq_domain_generate_simple(const struct of_device_id *match,
                                        u64 phys_base, unsigned int irq_start);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8c230cbcbb48..9fc01226055b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -621,8 +621,9 @@ struct pci_driver {
 extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
 enum pcie_bus_config_types {
-        PCIE_BUS_PERFORMANCE,
+        PCIE_BUS_TUNE_OFF,
        PCIE_BUS_SAFE,
+        PCIE_BUS_PERFORMANCE,
        PCIE_BUS_PEER2PEER,
 };
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index e07e2742a865..1dc420ba213a 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -51,6 +51,7 @@
 #define PTP_CLASS_V2_VLAN (PTP_CLASS_V2 | PTP_CLASS_VLAN)
 #define PTP_EV_PORT 319
+#define PTP_GEN_BIT 0x08 /* indicates general message, if set in message type */
 #define OFF_ETYPE       12
 #define OFF_IHL         14
@@ -116,14 +117,20 @@ static inline int ptp_filter_init(struct sock_filter *f, int len)
        {OP_OR,         0,   0, PTP_CLASS_IPV6          }, /*              */ \
        {OP_RETA,       0,   0, 0                       }, /*              */ \
 /*L3x*/ {OP_RETK,       0,   0, PTP_CLASS_NONE          }, /*              */ \
-/*L40*/ {OP_JEQ,        0,   6, ETH_P_8021Q             }, /* f goto L50   */ \
+/*L40*/ {OP_JEQ,        0,   9, ETH_P_8021Q             }, /* f goto L50   */ \
        {OP_LDH,        0,   0, OFF_ETYPE + 4           }, /*              */ \
-        {OP_JEQ,        0,   9, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_JEQ,        0,  15, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_LDB,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,  12, 0                       }, /* f goto L6x   */ \
        {OP_LDH,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
        {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
        {OP_OR,         0,   0, PTP_CLASS_VLAN          }, /*              */ \
        {OP_RETA,       0,   0, 0                       }, /*              */ \
-/*L50*/ {OP_JEQ,        0,   4, ETH_P_1588              }, /* f goto L61   */ \
+/*L50*/ {OP_JEQ,        0,   7, ETH_P_1588              }, /* f goto L61   */ \
+        {OP_LDB,        0,   0, ETH_HLEN                }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,   4, 0                       }, /* f goto L6x   */ \
        {OP_LDH,        0,   0, ETH_HLEN                }, /*              */ \
        {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
        {OP_OR,         0,   0, PTP_CLASS_L2            }, /*              */ \
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4ac2c0578e0f..41d0237fd449 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1956,7 +1956,6 @@ static inline void disable_sched_clock_irqtime(void) {}
 extern unsigned long long
 task_sched_runtime(struct task_struct *task);
-extern unsigned long long thread_group_sched_runtime(struct task_struct *task);
 /* sched_exec is called by processes performing an exec */
 #ifdef CONFIG_SMP
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index d5828da3fd38..b57a3776de44 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -29,7 +29,11 @@ void irq_domain_add(struct irq_domain *domain)
         */
        for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
                d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
-                if (d || d->domain) {
+                if (!d) {
+                        WARN(1, "error: assigning domain to non existant irq_desc");
+                        return;
+                }
+                if (d->domain) {
                        /* things are broken; just report, don't clean up */
                        WARN(1, "error: irq_desc already assigned to a domain");
                        return;
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 58f405b581e7..c8008dd58ef2 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -250,7 +250,7 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
        do {
                times->utime = cputime_add(times->utime, t->utime);
                times->stime = cputime_add(times->stime, t->stime);
-                times->sum_exec_runtime += t->se.sum_exec_runtime;
+                times->sum_exec_runtime += task_sched_runtime(t);
        } while_each_thread(tsk, t);
 out:
        rcu_read_unlock();
@@ -312,7 +312,8 @@ static int cpu_clock_sample_group(const clockid_t which_clock,
                cpu->cpu = cputime.utime;
                break;
        case CPUCLOCK_SCHED:
-                cpu->sched = thread_group_sched_runtime(p);
+                thread_group_cputime(p, &cputime);
+                cpu->sched = cputime.sum_exec_runtime;
                break;
        }
        return 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index ec5f472bc5b9..b50b0f0c9aa9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3725,30 +3725,6 @@ unsigned long long task_sched_runtime(struct task_struct *p)
 }
 /*
- * Return sum_exec_runtime for the thread group.
- * In case the task is currently running, return the sum plus current's
- * pending runtime that have not been accounted yet.
- *
- * Note that the thread group might have other running tasks as well,
- * so the return value not includes other pending runtime that other
- * running tasks might have.
- */
-unsigned long long thread_group_sched_runtime(struct task_struct *p)
-{
-        struct task_cputime totals;
-        unsigned long flags;
-        struct rq *rq;
-        u64 ns;
-        rq = task_rq_lock(p, &flags);
-        thread_group_cputime(p, &totals);
-        ns = totals.sum_exec_runtime + do_task_delta_exec(p, rq);
-        task_rq_unlock(rq, p, &flags);
-        return ns;
-}
-/*
 * Account user cpu time to a process.
 * @p: the process that the cpu time gets accounted to
 * @cputime: the cpu time spent in user space since the last update
@@ -4372,7 +4348,7 @@ static inline void sched_submit_work(struct task_struct *tsk)
                blk_schedule_flush_plug(tsk);
 }
-asmlinkage void schedule(void)
+asmlinkage void __sched schedule(void)
 {
        struct task_struct *tsk = current;
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 97540f0c9e47..af1177858be3 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -1050,7 +1050,7 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags)
         */
        if (curr && unlikely(rt_task(curr)) &&
            (curr->rt.nr_cpus_allowed < 2 ||
-             curr->prio < p->prio) &&
+             curr->prio <= p->prio) &&
            (p->rt.nr_cpus_allowed > 1)) {
                int target = find_lowest_rq(p);
@@ -1581,7 +1581,7 @@ static void task_woken_rt(struct rq *rq, struct task_struct *p)
            p->rt.nr_cpus_allowed > 1 &&
            rt_task(rq->curr) &&
            (rq->curr->rt.nr_cpus_allowed < 2 ||
-             rq->curr->prio < p->prio))
+             rq->curr->prio <= p->prio))
                push_rt_tasks(rq);
 }
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 32b8f9f7f79e..ff3ed6086ce1 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -91,7 +91,6 @@ static int br_dev_open(struct net_device *dev)
 {
        struct net_bridge *br = netdev_priv(dev);
-        netif_carrier_off(dev);
        netdev_update_features(dev);
        netif_start_queue(dev);
        br_stp_enable_bridge(br);
@@ -108,8 +107,6 @@ static int br_dev_stop(struct net_device *dev)
 {
        struct net_bridge *br = netdev_priv(dev);
-        netif_carrier_off(dev);
        br_stp_disable_bridge(br);
        br_multicast_stop(br);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index d6c8ae5b2e6a..c84963d2dee6 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -344,6 +344,18 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
        }
 }
+static void bcm_tx_start_timer(struct bcm_op *op)
+{
+        if (op->kt_ival1.tv64 && op->count)
+                hrtimer_start(&op->timer,
+                              ktime_add(ktime_get(), op->kt_ival1),
+                              HRTIMER_MODE_ABS);
+        else if (op->kt_ival2.tv64)
+                hrtimer_start(&op->timer,
+                              ktime_add(ktime_get(), op->kt_ival2),
+                              HRTIMER_MODE_ABS);
+}
 static void bcm_tx_timeout_tsklet(unsigned long data)
 {
        struct bcm_op *op = (struct bcm_op *)data;
@@ -365,26 +377,12 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
                        bcm_send_to_user(op, &msg_head, NULL, 0);
                }
-        }
-        if (op->kt_ival1.tv64 && (op->count > 0)) {
-                /* send (next) frame */
                bcm_can_tx(op);
-                hrtimer_start(&op->timer,
-                              ktime_add(ktime_get(), op->kt_ival1),
-                              HRTIMER_MODE_ABS);
-        } else {
+        } else if (op->kt_ival2.tv64)
-                if (op->kt_ival2.tv64) {
+                bcm_can_tx(op);
-                        /* send (next) frame */
+        bcm_tx_start_timer(op);
-                        bcm_can_tx(op);
-                        hrtimer_start(&op->timer,
-                                      ktime_add(ktime_get(), op->kt_ival2),
-                                      HRTIMER_MODE_ABS);
-                }
-        }
 }
 /*
@@ -964,23 +962,20 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
                        hrtimer_cancel(&op->timer);
        }
-        if ((op->flags & STARTTIMER) &&
+        if (op->flags & STARTTIMER) {
-            ((op->kt_ival1.tv64 && op->count) || op->kt_ival2.tv64)) {
+                hrtimer_cancel(&op->timer);
                /* spec: send can_frame when starting timer */
                op->flags |= TX_ANNOUNCE;
-                if (op->kt_ival1.tv64 && (op->count > 0)) {
-                        /* op->count-- is done in bcm_tx_timeout_handler */
-                        hrtimer_start(&op->timer, op->kt_ival1,
-                                      HRTIMER_MODE_REL);
-                } else
-                        hrtimer_start(&op->timer, op->kt_ival2,
-                                      HRTIMER_MODE_REL);
        }
-        if (op->flags & TX_ANNOUNCE)
+        if (op->flags & TX_ANNOUNCE) {
                bcm_can_tx(op);
+                if (op->count)
+                        op->count--;
+        }
+        if (op->flags & STARTTIMER)
+                bcm_tx_start_timer(op);
        return msg_head->nframes * CFSIZ + MHSIZ;
 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 21fab3edb92c..d73aab3fbfc0 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1389,9 +1389,7 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
        BUG_ON(!pcount);
-        /* Tweak before seqno plays */
+        if (skb == tp->lost_skb_hint)
-        if (!tcp_is_fack(tp) && tcp_is_sack(tp) && tp->lost_skb_hint &&
-            !before(TCP_SKB_CB(tp->lost_skb_hint)->seq, TCP_SKB_CB(skb)->seq))
                tp->lost_cnt_hint += pcount;
        TCP_SKB_CB(prev)->end_seq += shifted;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c34f01513945..7963e03f1068 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -927,18 +927,21 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
                        }
                        sk_nocaps_add(sk, NETIF_F_GSO_MASK);
                }
-                if (tcp_alloc_md5sig_pool(sk) == NULL) {
+                md5sig = tp->md5sig_info;
+                if (md5sig->entries4 == 0 &&
+                    tcp_alloc_md5sig_pool(sk) == NULL) {
                        kfree(newkey);
                        return -ENOMEM;
                }
-                md5sig = tp->md5sig_info;
                if (md5sig->alloced4 == md5sig->entries4) {
                        keys = kmalloc((sizeof(*keys) *
                                        (md5sig->entries4 + 1)), GFP_ATOMIC);
                        if (!keys) {
                                kfree(newkey);
-                                tcp_free_md5sig_pool();
+                                if (md5sig->entries4 == 0)
+                                        tcp_free_md5sig_pool();
                                return -ENOMEM;
                        }
@@ -982,6 +985,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
                                kfree(tp->md5sig_info->keys4);
                                tp->md5sig_info->keys4 = NULL;
                                tp->md5sig_info->alloced4 = 0;
+                                tcp_free_md5sig_pool();
                        } else if (tp->md5sig_info->entries4 != i) {
                                /* Need to do some manipulation */
                                memmove(&tp->md5sig_info->keys4[i],
@@ -989,7 +993,6 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
                                        (tp->md5sig_info->entries4 - i) *
                                         sizeof(struct tcp4_md5sig_key));
                        }
-                        tcp_free_md5sig_pool();
                        return 0;
                }
        }
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3b5669a2582d..d27c797f9f05 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -875,6 +875,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
                skb_reset_transport_header(skb);
                __skb_push(skb, skb_gro_offset(skb));
+                ops = rcu_dereference(inet6_protos[proto]);
                if (!ops || !ops->gro_receive)
                        goto out_unlock;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3c9fa618b69d..7b8fc5794352 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -591,7 +591,8 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
                        }
                        sk_nocaps_add(sk, NETIF_F_GSO_MASK);
                }
-                if (tcp_alloc_md5sig_pool(sk) == NULL) {
+                if (tp->md5sig_info->entries6 == 0 &&
+                        tcp_alloc_md5sig_pool(sk) == NULL) {
                        kfree(newkey);
                        return -ENOMEM;
                }
@@ -600,8 +601,9 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
                                       (tp->md5sig_info->entries6 + 1)), GFP_ATOMIC);
                        if (!keys) {
-                                tcp_free_md5sig_pool();
                                kfree(newkey);
+                                if (tp->md5sig_info->entries6 == 0)
+                                        tcp_free_md5sig_pool();
                                return -ENOMEM;
                        }
@@ -647,6 +649,7 @@ static int tcp_v6_md5_do_del(struct sock *sk, const struct in6_addr *peer)
                                kfree(tp->md5sig_info->keys6);
                                tp->md5sig_info->keys6 = NULL;
                                tp->md5sig_info->alloced6 = 0;
+                                tcp_free_md5sig_pool();
                        } else {
                                /* shrink the database */
                                if (tp->md5sig_info->entries6 != i)
@@ -655,7 +658,6 @@ static int tcp_v6_md5_do_del(struct sock *sk, const struct in6_addr *peer)
                                                (tp->md5sig_info->entries6 - i)
                                                * sizeof (tp->md5sig_info->keys6[0]));
                        }
-                        tcp_free_md5sig_pool();
                        return 0;
                }
        }
@@ -1383,6 +1385,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
 #endif
+                newnp->ipv6_ac_list = NULL;
+                newnp->ipv6_fl_list = NULL;
                newnp->pktoptions  = NULL;
                newnp->opt         = NULL;
                newnp->mcast_oif   = inet6_iif(skb);
@@ -1447,6 +1451,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
           First: no IPv4 options.
         */
        newinet->inet_opt = NULL;
+        newnp->ipv6_ac_list = NULL;
        newnp->ipv6_fl_list = NULL;
        /* Clone RX bits */
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 2b771dc708a3..5290ac353a5e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3679,7 +3679,7 @@ int __net_init ip_vs_control_net_init(struct net *net)
        int idx;
        struct netns_ipvs *ipvs = net_ipvs(net);
-        ipvs->rs_lock = __RW_LOCK_UNLOCKED(ipvs->rs_lock);
+        rwlock_init(&ipvs->rs_lock);
        /* Initialize rs_table */
        for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c698cec0a445..fabb4fafa281 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -961,7 +961,10 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
        return 0;
 drop_n_acct:
-        po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
+        spin_lock(&sk->sk_receive_queue.lock);
+        po->stats.tp_drops++;
+        atomic_inc(&sk->sk_drops);
+        spin_unlock(&sk->sk_receive_queue.lock);
 drop_n_restore:
        if (skb_head != skb->data && skb_shared(skb)) {
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 8b77edbab272..4e1de171866c 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -84,7 +84,8 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool,
 static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
 static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                        struct list_head *unmap_list,
-                        struct list_head *kill_list);
+                        struct list_head *kill_list,
+                        int *unpinned);
 static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
 static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id)
@@ -499,7 +500,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
        LIST_HEAD(unmap_list);
        LIST_HEAD(kill_list);
        unsigned long flags;
-        unsigned int nfreed = 0, ncleaned = 0, free_goal;
+        unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal;
        int ret = 0;
        rds_iw_stats_inc(s_iw_rdma_mr_pool_flush);
@@ -524,7 +525,8 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
         * will be destroyed by the unmap function.
         */
        if (!list_empty(&unmap_list)) {
-                ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, &kill_list);
+                ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list,
+                                                     &kill_list, &unpinned);
                /* If we've been asked to destroy all MRs, move those
                 * that were simply cleaned to the kill list */
                if (free_all)
@@ -548,6 +550,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
                spin_unlock_irqrestore(&pool->list_lock, flags);
        }
+        atomic_sub(unpinned, &pool->free_pinned);
        atomic_sub(ncleaned, &pool->dirty_count);
        atomic_sub(nfreed, &pool->item_count);
@@ -828,7 +831,8 @@ static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool,
 static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                                struct list_head *unmap_list,
-                                struct list_head *kill_list)
+                                struct list_head *kill_list,
+                                int *unpinned)
 {
        struct rds_iw_mapping *mapping, *next;
        unsigned int ncleaned = 0;
@@ -855,6 +859,7 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                spin_lock_irqsave(&pool->list_lock, flags);
                list_for_each_entry_safe(mapping, next, unmap_list, m_list) {
+                        *unpinned += mapping->m_sg.len;
                        list_move(&mapping->m_list, &laundered);
                        ncleaned++;
                }
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index be6982289c0d..e9a2a8795d1b 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1924,7 +1924,8 @@ static unsigned int azx_via_get_position(struct azx *chip,
 }
 static unsigned int azx_get_position(struct azx *chip,
-                                     struct azx_dev *azx_dev)
+                                     struct azx_dev *azx_dev,
+                                     bool with_check)
 {
        unsigned int pos;
        int stream = azx_dev->substream->stream;
@@ -1940,7 +1941,7 @@ static unsigned int azx_get_position(struct azx *chip,
        default:
                /* use the position buffer */
                pos = le32_to_cpu(*azx_dev->posbuf);
-                if (chip->position_fix[stream] == POS_FIX_AUTO) {
+                if (with_check && chip->position_fix[stream] == POS_FIX_AUTO) {
                        if (!pos || pos == (u32)-1) {
                                printk(KERN_WARNING
                                       "hda-intel: Invalid position buffer, "
@@ -1964,7 +1965,7 @@ static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
        struct azx *chip = apcm->chip;
        struct azx_dev *azx_dev = get_azx_dev(substream);
        return bytes_to_frames(substream->runtime,
-                               azx_get_position(chip, azx_dev));
+                               azx_get_position(chip, azx_dev, false));
 }
 /*
@@ -1987,7 +1988,7 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
                return -1;      /* bogus (too early) interrupt */
        stream = azx_dev->substream->stream;
-        pos = azx_get_position(chip, azx_dev);
+        pos = azx_get_position(chip, azx_dev, true);
        if (WARN_ONCE(!azx_dev->period_bytes,
                      "hda-intel: zero azx_dev->period_bytes"))
diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index ffa2ffe5ec11..aa091a0d8187 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -1454,8 +1454,8 @@ static int wm8753_probe(struct snd_soc_codec *codec)
        /* set the update bits */
        snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100);
        snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100);
-        snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100);
+        snd_soc_update_bits(codec, WM8753_LADC, 0x0100, 0x0100);
-        snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100);
+        snd_soc_update_bits(codec, WM8753_RADC, 0x0100, 0x0100);
        snd_soc_update_bits(codec, WM8753_LOUT1V, 0x0100, 0x0100);
        snd_soc_update_bits(codec, WM8753_ROUT1V, 0x0100, 0x0100);
        snd_soc_update_bits(codec, WM8753_LOUT2V, 0x0100, 0x0100);
diff --git a/sound/soc/omap/mcpdm.c b/sound/soc/omap/mcpdm.c
index 928f03707451..50e59194ad81 100644
--- a/sound/soc/omap/mcpdm.c
+++ b/sound/soc/omap/mcpdm.c
@@ -449,7 +449,7 @@ exit:
        return ret;
 }
-int __devexit omap_mcpdm_remove(struct platform_device *pdev)
+int omap_mcpdm_remove(struct platform_device *pdev)
 {
        struct omap_mcpdm *mcpdm_ptr = platform_get_drvdata(pdev);
diff --git a/sound/soc/omap/mcpdm.h b/sound/soc/omap/mcpdm.h
index df3e16fb51f3..20c20a8649fe 100644
--- a/sound/soc/omap/mcpdm.h
+++ b/sound/soc/omap/mcpdm.h
@@ -150,4 +150,4 @@ extern int omap_mcpdm_request(void);
 extern void omap_mcpdm_free(void);
 extern int omap_mcpdm_set_offset(int offset1, int offset2);
 int __devinit omap_mcpdm_probe(struct platform_device *pdev);
-int __devexit omap_mcpdm_remove(struct platform_device *pdev);
+int omap_mcpdm_remove(struct platform_device *pdev);
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
index b6445757fc54..2b8350b52232 100644
--- a/sound/soc/pxa/zylonite.c
+++ b/sound/soc/pxa/zylonite.c
@@ -196,20 +196,20 @@ static int zylonite_probe(struct snd_soc_card *card)
        if (clk_pout) {
                pout = clk_get(NULL, "CLK_POUT");
                if (IS_ERR(pout)) {
-                        dev_err(&pdev->dev, "Unable to obtain CLK_POUT: %ld\n",
+                        dev_err(card->dev, "Unable to obtain CLK_POUT: %ld\n",
                                PTR_ERR(pout));
                        return PTR_ERR(pout);
                }
                ret = clk_enable(pout);
                if (ret != 0) {
-                        dev_err(&pdev->dev, "Unable to enable CLK_POUT: %d\n",
+                        dev_err(card->dev, "Unable to enable CLK_POUT: %d\n",
                                ret);
                        clk_put(pout);
                        return ret;
                }
-                dev_dbg(&pdev->dev, "MCLK enabled at %luHz\n",
+                dev_dbg(card->dev, "MCLK enabled at %luHz\n",
                        clk_get_rate(pout));
        }
@@ -241,7 +241,7 @@ static int zylonite_resume_pre(struct snd_soc_card *card)
        if (clk_pout) {
                ret = clk_enable(pout);
                if (ret != 0)
-                        dev_err(&pdev->dev, "Unable to enable CLK_POUT: %d\n",
+                        dev_err(card->dev, "Unable to enable CLK_POUT: %d\n",
                                ret);
        }
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index c5748c52318f..e389815078d3 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -449,6 +449,8 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
        }
        if (type & PERF_SAMPLE_RAW) {
+                const u64 *pdata;
                u.val64 = *array;
                if (WARN_ONCE(swapped,
                              "Endianness of raw data not corrected!\n")) {
@@ -462,11 +464,12 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
                        return -EFAULT;
                data->raw_size = u.val32[0];
+                pdata = (void *) array + sizeof(u32);
-                if (sample_overlap(event, &u.val32[1], data->raw_size))
+                if (sample_overlap(event, pdata, data->raw_size))
                        return -EFAULT;
-                data->raw_data = &u.val32[1];
+                data->raw_data = (void *) pdata;
        }
        return 0;