241 files changed, 2790 insertions, 1353 deletions
diff --git a/.mailmap b/.mailmap
index 581fd39193a2..1eba28acab64 100644
--- a/.mailmap
+++ b/.mailmap
@@ -23,6 +23,7 @@ Andy Adamson <andros@citi.umich.edu>
 Arnaud Patard <arnaud.patard@rtp-net.org>
 Arnd Bergmann <arnd@arndb.de>
 Axel Dyks <xl@xlsigned.net>
+Axel Lin <axel.lin@gmail.com>
 Ben Gardner <bgardner@wabtec.com>
 Ben M Cahill <ben.m.cahill@intel.com>
 Björn Steinbrink <B.Steinbrink@gmx.de>
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index 35447e081736..36f63d4a0a06 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -217,8 +217,8 @@ X!Isound/sound_firmware.c
  <chapter id="uart16x50">
     <title>16x50 UART Driver</title>
 !Iinclude/linux/serial_core.h
-!Edrivers/serial/serial_core.c
+!Edrivers/tty/serial/serial_core.c
-!Edrivers/serial/8250.c
+!Edrivers/tty/serial/8250.c
  </chapter>
  <chapter id="fbdev">
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b72e071a3e5b..89835a4766a6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -43,11 +43,11 @@ parameter is applicable:
        AVR32   AVR32 architecture is enabled.
        AX25    Appropriate AX.25 support is enabled.
        BLACKFIN Blackfin architecture is enabled.
+        DRM     Direct Rendering Management support is enabled.
+        DYNAMIC_DEBUG Build in debug messages and enable them at runtime
        EDD     BIOS Enhanced Disk Drive Services (EDD) is enabled
        EFI     EFI Partitioning (GPT) is enabled
        EIDE    EIDE/ATAPI support is enabled.
-        DRM     Direct Rendering Management support is enabled.
-        DYNAMIC_DEBUG Build in debug messages and enable them at runtime
        FB      The frame buffer device is enabled.
        GCOV    GCOV profiling is enabled.
        HW      Appropriate hardware is enabled.
diff --git a/MAINTAINERS b/MAINTAINERS
index 55592f8b672c..cf0f3a5c09cc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3674,6 +3674,28 @@ F:	include/linux/key-type.h
 F:      include/keys/
 F:      security/keys/
+KEYS-TRUSTED
+M:      David Safford <safford@watson.ibm.com>
+M:      Mimi Zohar <zohar@us.ibm.com>
+L:      linux-security-module@vger.kernel.org
+L:      keyrings@linux-nfs.org
+S:      Supported
+F:      Documentation/keys-trusted-encrypted.txt
+F:      include/keys/trusted-type.h
+F:      security/keys/trusted.c
+F:      security/keys/trusted.h
+KEYS-ENCRYPTED
+M:      Mimi Zohar <zohar@us.ibm.com>
+M:      David Safford <safford@watson.ibm.com>
+L:      linux-security-module@vger.kernel.org
+L:      keyrings@linux-nfs.org
+S:      Supported
+F:      Documentation/keys-trusted-encrypted.txt
+F:      include/keys/encrypted-type.h
+F:      security/keys/encrypted.c
+F:      security/keys/encrypted.h
 KGDB / KDB /debug_core
 M:      Jason Wessel <jason.wessel@windriver.com>
 W:      http://kgdb.wiki.kernel.org/
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index a101f10bb5b1..721847dc68ab 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -50,6 +50,12 @@
 #define SCPCELLID2              0xFF8
 #define SCPCELLID3              0xFFC
+#define SCCTRL_TIMEREN0SEL_REFCLK       (0 << 15)
+#define SCCTRL_TIMEREN0SEL_TIMCLK       (1 << 15)
+#define SCCTRL_TIMEREN1SEL_REFCLK       (0 << 17)
+#define SCCTRL_TIMEREN1SEL_TIMCLK       (1 << 17)
 static inline void sysctl_soft_reset(void __iomem *base)
 {
        /* writing any value to SCSYSSTAT reg will reset system */
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 23c2e8e5c0fa..d0ee74b7cf86 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -188,7 +188,7 @@
 * translation for translating DMA addresses.  Use the driver
 * DMA support - see dma-mapping.h.
 */
-static inline unsigned long virt_to_phys(void *x)
+static inline unsigned long virt_to_phys(const volatile void *x)
 {
        return __virt_to_phys((unsigned long)(x));
 }
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index fd9156698ab9..60636f499cb3 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -36,6 +36,7 @@ static void twd_set_mode(enum clock_event_mode mode,
                /* timer load already set up */
                ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE
                        | TWD_TIMER_CONTROL_PERIODIC;
+                __raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD);
                break;
        case CLOCK_EVT_MODE_ONESHOT:
                /* period set, and timer enabled in 'next_event' hook */
@@ -81,7 +82,7 @@ int twd_timer_ack(void)
 static void __cpuinit twd_calibrate_rate(void)
 {
-        unsigned long load, count;
+        unsigned long count;
        u64 waitjiffies;
        /*
@@ -116,10 +117,6 @@ static void __cpuinit twd_calibrate_rate(void)
                printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
                        (twd_timer_rate / 1000000) % 100);
        }
-        load = twd_timer_rate / HZ;
-        __raw_writel(load, twd_base + TWD_TIMER_LOAD);
 }
 /*
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c
index f3dc76fdcea8..bec34b834958 100644
--- a/arch/arm/mach-ep93xx/gpio.c
+++ b/arch/arm/mach-ep93xx/gpio.c
@@ -427,6 +427,13 @@ void __init ep93xx_gpio_init(void)
 {
        int i;
+        /* Set Ports C, D, E, G, and H for GPIO use */
+        ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS |
+                                 EP93XX_SYSCON_DEVCFG_GONK |
+                                 EP93XX_SYSCON_DEVCFG_EONIDE |
+                                 EP93XX_SYSCON_DEVCFG_GONIDE |
+                                 EP93XX_SYSCON_DEVCFG_HONIDE);
        for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++)
                gpiochip_add(&ep93xx_gpio_banks[i].chip);
 }
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 8d2f2daba0c0..e0a028161dde 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -9,6 +9,7 @@ config ARCH_OMAP730
        depends on ARCH_OMAP1
        bool "OMAP730 Based System"
        select CPU_ARM926T
+        select OMAP_MPU_TIMER
        select ARCH_OMAP_OTG
 config ARCH_OMAP850
@@ -22,6 +23,7 @@ config ARCH_OMAP15XX
        default y
        bool "OMAP15xx Based System"
        select CPU_ARM925T
+        select OMAP_MPU_TIMER
 config ARCH_OMAP16XX
        depends on ARCH_OMAP1
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 6ee19504845f..ba6009f27677 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,12 +3,11 @@
 #
 # Common support
-obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o
+obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o
 obj-y += clock.o clock_data.o opp_data.o
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
-obj-$(CONFIG_OMAP_MPU_TIMER)    += time.o
 obj-$(CONFIG_OMAP_32K_TIMER)    += timer32k.o
 # Power Management
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index ed7a61ff916a..f83fc335c613 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -44,16 +44,21 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/io.h>
+#include <linux/sched.h>
 #include <asm/system.h>
 #include <mach/hardware.h>
 #include <asm/leds.h>
 #include <asm/irq.h>
+#include <asm/sched_clock.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 #include <plat/common.h>
+#ifdef CONFIG_OMAP_MPU_TIMER
 #define OMAP_MPU_TIMER_BASE             OMAP_MPU_TIMER1_BASE
 #define OMAP_MPU_TIMER_OFFSET           0x100
@@ -67,7 +72,7 @@ typedef struct {
 ((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE +        \
                                 (n)*OMAP_MPU_TIMER_OFFSET))
-static inline unsigned long omap_mpu_timer_read(int nr)
+static inline unsigned long notrace omap_mpu_timer_read(int nr)
 {
        volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
        return timer->read_tim;
@@ -212,6 +217,32 @@ static struct clocksource clocksource_mpu = {
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
+static DEFINE_CLOCK_DATA(cd);
+static inline unsigned long long notrace _omap_mpu_sched_clock(void)
+{
+        u32 cyc = mpu_read(&clocksource_mpu);
+        return cyc_to_sched_clock(&cd, cyc, (u32)~0);
+}
+#ifndef CONFIG_OMAP_32K_TIMER
+unsigned long long notrace sched_clock(void)
+{
+        return _omap_mpu_sched_clock();
+}
+#else
+static unsigned long long notrace omap_mpu_sched_clock(void)
+{
+        return _omap_mpu_sched_clock();
+}
+#endif
+static void notrace mpu_update_sched_clock(void)
+{
+        u32 cyc = mpu_read(&clocksource_mpu);
+        update_sched_clock(&cd, cyc, (u32)~0);
+}
 static void __init omap_init_clocksource(unsigned long rate)
 {
        static char err[] __initdata = KERN_ERR
@@ -219,17 +250,13 @@ static void __init omap_init_clocksource(unsigned long rate)
        setup_irq(INT_TIMER2, &omap_mpu_timer2_irq);
        omap_mpu_timer_start(1, ~0, 1);
+        init_sched_clock(&cd, mpu_update_sched_clock, 32, rate);
        if (clocksource_register_hz(&clocksource_mpu, rate))
                printk(err, clocksource_mpu.name);
 }
-/*
+static void __init omap_mpu_timer_init(void)
- * ---------------------------------------------------------------------------
- * Timer initialization
- * ---------------------------------------------------------------------------
- */
-static void __init omap_timer_init(void)
 {
        struct clk      *ck_ref = clk_get(NULL, "ck_ref");
        unsigned long   rate;
@@ -246,6 +273,66 @@ static void __init omap_timer_init(void)
        omap_init_clocksource(rate);
 }
+#else
+static inline void omap_mpu_timer_init(void)
+{
+        pr_err("Bogus timer, should not happen\n");
+}
+#endif  /* CONFIG_OMAP_MPU_TIMER */
+#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER)
+static unsigned long long (*preferred_sched_clock)(void);
+unsigned long long notrace sched_clock(void)
+{
+        if (!preferred_sched_clock)
+                return 0;
+        return preferred_sched_clock();
+}
+static inline void preferred_sched_clock_init(bool use_32k_sched_clock)
+{
+        if (use_32k_sched_clock)
+                preferred_sched_clock = omap_32k_sched_clock;
+        else
+                preferred_sched_clock = omap_mpu_sched_clock;
+}
+#else
+static inline void preferred_sched_clock_init(bool use_32k_sched_clcok)
+{
+}
+#endif
+static inline int omap_32k_timer_usable(void)
+{
+        int res = false;
+        if (cpu_is_omap730() || cpu_is_omap15xx())
+                return res;
+#ifdef CONFIG_OMAP_32K_TIMER
+        res = omap_32k_timer_init();
+#endif
+        return res;
+}
+/*
+ * ---------------------------------------------------------------------------
+ * Timer initialization
+ * ---------------------------------------------------------------------------
+ */
+static void __init omap_timer_init(void)
+{
+        if (omap_32k_timer_usable()) {
+                preferred_sched_clock_init(1);
+        } else {
+                omap_mpu_timer_init();
+                preferred_sched_clock_init(0);
+        }
+}
 struct sys_timer omap_timer = {
        .init           = omap_timer_init,
 };
diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c
index 20cfbcc6c60c..13d7b8f145bd 100644
--- a/arch/arm/mach-omap1/timer32k.c
+++ b/arch/arm/mach-omap1/timer32k.c
@@ -52,10 +52,9 @@
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
+#include <plat/common.h>
 #include <plat/dmtimer.h>
-struct sys_timer omap_timer;
 /*
 * ---------------------------------------------------------------------------
 * 32KHz OS timer
@@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void)
 * Timer initialization
 * ---------------------------------------------------------------------------
 */
-static void __init omap_timer_init(void)
+bool __init omap_32k_timer_init(void)
 {
+        omap_init_clocksource_32k();
 #ifdef CONFIG_OMAP_DM_TIMER
        omap_dm_timer_init();
 #endif
        omap_init_32k_timer();
-}
-struct sys_timer omap_timer = {
+        return true;
-        .init           = omap_timer_init,
+}
-};
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 5b0c77732dfc..8f9a64d650ee 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {}
 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 #define RTC_IO_GPIO             (153)
 #define RTC_WR_GPIO             (154)
-#define RTC_RD_GPIO             (160)
+#define RTC_RD_GPIO             (53)
 #define RTC_CS_GPIO             (163)
+#define RTC_CS_EN_GPIO          (160)
 struct v3020_platform_data cm_t3517_v3020_pdata = {
        .use_gpio       = 1,
@@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = {
 static void __init cm_t3517_init_rtc(void)
 {
+        int err;
+        err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en");
+        if (err) {
+                pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
+                return;
+        }
+        gpio_direction_output(RTC_CS_EN_GPIO, 1);
        platform_device_register(&cm_t3517_rtc_device);
 }
 #else
@@ -214,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = {
        },
        {
                .name           = "linux",
-                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2A0000 */
                .size           = 32 * NAND_BLOCK_SIZE,
        },
        {
                .name           = "rootfs",
-                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x6A0000 */
                .size           = MTDPART_SIZ_FULL,
        },
 };
@@ -256,11 +267,19 @@ static void __init cm_t3517_init_irq(void)
 static struct omap_board_mux board_mux[] __initdata = {
        /* GPIO186 - Green LED */
        OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
-        /* RTC GPIOs: IO, WR#, RD#, CS# */
+        /* RTC GPIOs: */
+        /* IO - GPIO153 */
        OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+        /* WR# - GPIO154 */
        OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
-        OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+        /* RD# - GPIO53 */
+        OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+        /* CS# - GPIO163 */
        OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+        /* CS EN - GPIO160 */
+        OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
        /* HSUSB1 RESET */
        OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
        /* HSUSB2 RESET */
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 00bb1fc5e017..e906e05bb41b 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -275,8 +275,7 @@ static struct twl4030_gpio_platform_data devkit8000_gpio_data = {
        .irq_base       = TWL4030_GPIO_IRQ_BASE,
        .irq_end        = TWL4030_GPIO_IRQ_END,
        .use_leds       = true,
-        .pullups        = BIT(1),
+        .pulldowns      = BIT(1) | BIT(2) | BIT(6) | BIT(8) | BIT(13)
-        .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
                                | BIT(15) | BIT(16) | BIT(17),
        .setup          = devkit8000_twl_gpio_setup,
 };
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index e8cb32fd7f13..de9ec8ddd2ae 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -34,7 +34,6 @@
 #include "cm2_44xx.h"
 #include "cm-regbits-44xx.h"
 #include "prm44xx.h"
-#include "prm44xx.h"
 #include "prm-regbits-44xx.h"
 #include "control.h"
 #include "scrm44xx.h"
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index e20b98636ab4..58e42f76603f 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -423,6 +423,12 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
 {
        struct clkdm_dep *cd;
+        if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+                pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                       clkdm1->name, clkdm2->name, __func__);
+                return -EINVAL;
+        }
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
@@ -458,6 +464,12 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
 {
        struct clkdm_dep *cd;
+        if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+                pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                       clkdm1->name, clkdm2->name, __func__);
+                return -EINVAL;
+        }
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
@@ -500,6 +512,12 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
+        if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+                pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                       clkdm1->name, clkdm2->name, __func__);
+                return -EINVAL;
+        }
        cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs);
        if (IS_ERR(cd)) {
                pr_debug("clockdomain: hardware cannot set/clear wake up of "
@@ -527,6 +545,12 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
        struct clkdm_dep *cd;
        u32 mask = 0;
+        if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+                pr_err("clockdomain: %s: %s: not yet implemented\n",
+                       clkdm->name, __func__);
+                return -EINVAL;
+        }
        if (!clkdm)
                return -EINVAL;
@@ -830,8 +854,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
         * dependency code and data for OMAP4.
         */
        if (cpu_is_omap44xx()) {
-                WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
+                pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
-                          "support is not yet implemented\n");
        } else {
                if (atomic_read(&clkdm->usecount) > 0)
                        _clkdm_add_autodeps(clkdm);
@@ -872,8 +895,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
         * dependency code and data for OMAP4.
         */
        if (cpu_is_omap44xx()) {
-                WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
+                pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
-                          "support is not yet implemented\n");
        } else {
                if (atomic_read(&clkdm->usecount) > 0)
                        _clkdm_del_autodeps(clkdm);
diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index 51920fc7fc52..10622c914abc 100644
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -30,8 +30,6 @@
 #include "cm1_44xx.h"
 #include "cm2_44xx.h"
-#include "cm1_44xx.h"
-#include "cm2_44xx.h"
 #include "cm-regbits-44xx.h"
 #include "prm44xx.h"
 #include "prcm44xx.h"
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 9e5dc8ed51e9..97feb3ab6a69 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -134,7 +134,7 @@ static void omap2_enter_full_retention(void)
        /* Block console output in case it is on one of the OMAP UARTs */
        if (!is_suspending())
-                if (try_acquire_console_sem())
+                if (!console_trylock())
                        goto no_sleep;
        omap_uart_prepare_idle(0);
@@ -151,7 +151,7 @@ static void omap2_enter_full_retention(void)
        omap_uart_resume_idle(0);
        if (!is_suspending())
-                release_console_sem();
+                console_unlock();
 no_sleep:
        if (omap2_pm_debug) {
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 8cbbeade4b8a..a4aa1920a75c 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -398,7 +398,7 @@ void omap_sram_idle(void)
        if (!is_suspending())
                if (per_next_state < PWRDM_POWER_ON ||
                    core_next_state < PWRDM_POWER_ON)
-                        if (try_acquire_console_sem())
+                        if (!console_trylock())
                                goto console_still_active;
        /* PER */
@@ -481,7 +481,7 @@ void omap_sram_idle(void)
        }
        if (!is_suspending())
-                release_console_sem();
+                console_unlock();
 console_still_active:
        /* Disable IO-PAD and IO-CHAIN wakeup */
diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
index d5233890370c..cf600e22bf8e 100644
--- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
@@ -19,7 +19,6 @@
 #include <plat/prcm.h>
 #include "powerdomain.h"
-#include "prm-regbits-34xx.h"
 #include "prm.h"
 #include "prm-regbits-24xx.h"
 #include "prm-regbits-34xx.h"
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 302da7403a10..32e91a9c8b6b 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -812,7 +812,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
        oh->dev_attr = uart;
-        acquire_console_sem(); /* in case the earlycon is on the UART */
+        console_lock(); /* in case the earlycon is on the UART */
        /*
         * Because of early UART probing, UART did not get idled
@@ -838,7 +838,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
        omap_uart_block_sleep(uart);
        uart->timeout = DEFAULT_TIMEOUT;
-        release_console_sem();
+        console_unlock();
        if ((cpu_is_omap34xx() && uart->padconf) ||
            (uart->wk_en && uart->wk_mask)) {
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 4e48e786bec7..7b7c2683ae7b 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -42,6 +42,8 @@
 #include "timer-gp.h"
+#include <plat/common.h>
 /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
 #define MAX_GPTIMER_ID          12
@@ -176,10 +178,14 @@ static void __init omap2_gp_clockevent_init(void)
 /* 
 * When 32k-timer is enabled, don't use GPTimer for clocksource
 * instead, just leave default clocksource which uses the 32k
- * sync counter.  See clocksource setup in see plat-omap/common.c. 
+ * sync counter.  See clocksource setup in plat-omap/counter_32k.c
 */
-static inline void __init omap2_gp_clocksource_init(void) {}
+static void __init omap2_gp_clocksource_init(void)
+{
+        omap_init_clocksource_32k();
+}
 #else
 /*
 * clocksource
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index b4575ae9648e..7ca138a943a9 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -2,52 +2,56 @@ menu "RealView platform type"
        depends on ARCH_REALVIEW
 config MACH_REALVIEW_EB
-        bool "Support RealView/EB platform"
+        bool "Support RealView(R) Emulation Baseboard"
        select ARM_GIC
        help
-          Include support for the ARM(R) RealView Emulation Baseboard platform.
+          Include support for the ARM(R) RealView(R) Emulation Baseboard
+          platform.
 config REALVIEW_EB_A9MP
-        bool "Support Multicore Cortex-A9"
+        bool "Support Multicore Cortex-A9 Tile"
        depends on MACH_REALVIEW_EB
        select CPU_V7
        help
-          Enable support for the Cortex-A9MPCore tile on the Realview platform.
+          Enable support for the Cortex-A9MPCore tile fitted to the
+          Realview(R) Emulation Baseboard platform.
 config REALVIEW_EB_ARM11MP
-        bool "Support ARM11MPCore tile"
+        bool "Support ARM11MPCore Tile"
        depends on MACH_REALVIEW_EB
        select CPU_V6
        select ARCH_HAS_BARRIERS if SMP
        help
-          Enable support for the ARM11MPCore tile on the Realview platform.
+          Enable support for the ARM11MPCore tile fitted to the Realview(R)
+          Emulation Baseboard platform.
 config REALVIEW_EB_ARM11MP_REVB
-        bool "Support ARM11MPCore RevB tile"
+        bool "Support ARM11MPCore RevB Tile"
        depends on REALVIEW_EB_ARM11MP
        help
-          Enable support for the ARM11MPCore RevB tile on the Realview
+          Enable support for the ARM11MPCore Revision B tile on the
-          platform. Since there are device address differences, a
+          Realview(R) Emulation Baseboard platform. Since there are device
-          kernel built with this option enabled is not compatible with
+          address differences, a kernel built with this option enabled is
-          other revisions of the ARM11MPCore tile.
+          not compatible with other revisions of the ARM11MPCore tile.
 config MACH_REALVIEW_PB11MP
-        bool "Support RealView/PB11MPCore platform"
+        bool "Support RealView(R) Platform Baseboard for ARM11MPCore"
        select CPU_V6
        select ARM_GIC
        select HAVE_PATA_PLATFORM
        select ARCH_HAS_BARRIERS if SMP
        help
-          Include support for the ARM(R) RealView MPCore Platform Baseboard.
+          Include support for the ARM(R) RealView(R) Platform Baseboard for
-          PB11MPCore is a platform with an on-board ARM11MPCore and has
+          the ARM11MPCore.  This platform has an on-board ARM11MPCore and has
          support for PCI-E and Compact Flash.
 config MACH_REALVIEW_PB1176
-        bool "Support RealView/PB1176 platform"
+        bool "Support RealView(R) Platform Baseboard for ARM1176JZF-S"
        select CPU_V6
        select ARM_GIC
        help
-          Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
+          Include support for the ARM(R) RealView(R) Platform Baseboard for
+          ARM1176JZF-S.
 config REALVIEW_PB1176_SECURE_FLASH
        bool "Allow access to the secure flash memory block"
@@ -59,23 +63,24 @@ config REALVIEW_PB1176_SECURE_FLASH
          block (64MB @ 0x3c000000) is required.
 config MACH_REALVIEW_PBA8
-        bool "Support RealView/PB-A8 platform"
+        bool "Support RealView(R) Platform Baseboard for Cortex(tm)-A8 platform"
        select CPU_V7
        select ARM_GIC
        select HAVE_PATA_PLATFORM
        help
-          Include support for the ARM(R) RealView Cortex-A8 Platform Baseboard.
+          Include support for the ARM(R) RealView Platform Baseboard for
-          PB-A8 is a platform with an on-board Cortex-A8 and has support for
+          Cortex(tm)-A8.  This platform has an on-board Cortex-A8 and has
-          PCI-E and Compact Flash.
+          support for PCI-E and Compact Flash.
 config MACH_REALVIEW_PBX
-        bool "Support RealView/PBX platform"
+        bool "Support RealView(R) Platform Baseboard Explore"
        select ARM_GIC
        select HAVE_PATA_PLATFORM
        select ARCH_SPARSEMEM_ENABLE if CPU_V7 && !REALVIEW_HIGH_PHYS_OFFSET
        select ZONE_DMA if SPARSEMEM
        help
-          Include support for the ARM(R) RealView PBX platform.
+          Include support for the ARM(R) RealView(R) Platform Baseboard
+          Explore.
 config REALVIEW_HIGH_PHYS_OFFSET
        bool "High physical base address for the RealView platform"
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index a22bf67f2f78..6959d13d908a 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -41,7 +41,7 @@ volatile int __cpuinitdata pen_release = -1;
 * observers, irrespective of whether they're taking part in coherency
 * or not.  This is necessary for the hotplug code to work reliably.
 */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
        pen_release = val;
        smp_wmb();
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 4d1b4c5c9389..0c8f6cf3e948 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -60,6 +60,8 @@ endchoice
 config MACH_AG5EVM
        bool "AG5EVM board"
+        select ARCH_REQUIRE_GPIOLIB
+        select SH_LCD_MIPI_DSI
        depends on ARCH_SH73A0
 config MACH_MACKEREL
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index c18a740a4159..2123b96b5638 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -34,9 +34,10 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
+#include <linux/sh_clk.h>
+#include <video/sh_mobile_lcdc.h>
+#include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
 #include <mach/hardware.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -183,11 +184,165 @@ static struct platform_device mmc_device = {
        .resource       = sh_mmcif_resources,
 };
+/* IrDA */
+static struct resource irda_resources[] = {
+        [0] = {
+                .start  = 0xE6D00000,
+                .end    = 0xE6D01FD4 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(95),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device irda_device = {
+        .name           = "sh_irda",
+        .id             = 0,
+        .resource       = irda_resources,
+        .num_resources  = ARRAY_SIZE(irda_resources),
+};
+static unsigned char lcd_backlight_seq[3][2] = {
+        { 0x04, 0x07 },
+        { 0x23, 0x80 },
+        { 0x03, 0x01 },
+};
+static void lcd_backlight_on(void)
+{
+        struct i2c_adapter *a;
+        struct i2c_msg msg;
+        int k;
+        a = i2c_get_adapter(1);
+        for (k = 0; a && k < 3; k++) {
+                msg.addr = 0x6d;
+                msg.buf = &lcd_backlight_seq[k][0];
+                msg.len = 2;
+                msg.flags = 0;
+                if (i2c_transfer(a, &msg, 1) != 1)
+                        break;
+        }
+}
+static void lcd_backlight_reset(void)
+{
+        gpio_set_value(GPIO_PORT235, 0);
+        mdelay(24);
+        gpio_set_value(GPIO_PORT235, 1);
+}
+static void lcd_on(void *board_data, struct fb_info *info)
+{
+        lcd_backlight_on();
+}
+static void lcd_off(void *board_data)
+{
+        lcd_backlight_reset();
+}
+/* LCDC0 */
+static const struct fb_videomode lcdc0_modes[] = {
+        {
+                .name           = "R63302(QHD)",
+                .xres           = 544,
+                .yres           = 961,
+                .left_margin    = 72,
+                .right_margin   = 600,
+                .hsync_len      = 16,
+                .upper_margin   = 8,
+                .lower_margin   = 8,
+                .vsync_len      = 2,
+                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+        },
+};
+static struct sh_mobile_lcdc_info lcdc0_info = {
+        .clock_source = LCDC_CLK_PERIPHERAL,
+        .ch[0] = {
+                .chan = LCDC_CHAN_MAINLCD,
+                .interface_type = RGB24,
+                .clock_divider = 1,
+                .flags = LCDC_FLAGS_DWPOL,
+                .lcd_size_cfg.width = 44,
+                .lcd_size_cfg.height = 79,
+                .bpp = 16,
+                .lcd_cfg = lcdc0_modes,
+                .num_cfg = ARRAY_SIZE(lcdc0_modes),
+                .board_cfg = {
+                        .display_on = lcd_on,
+                        .display_off = lcd_off,
+                },
+        }
+};
+static struct resource lcdc0_resources[] = {
+        [0] = {
+                .name   = "LCDC0",
+                .start  = 0xfe940000, /* P4-only space */
+                .end    = 0xfe943fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x580),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device lcdc0_device = {
+        .name           = "sh_mobile_lcdc_fb",
+        .num_resources  = ARRAY_SIZE(lcdc0_resources),
+        .resource       = lcdc0_resources,
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &lcdc0_info,
+                .coherent_dma_mask = ~0,
+        },
+};
+/* MIPI-DSI */
+static struct resource mipidsi0_resources[] = {
+        [0] = {
+                .start  = 0xfeab0000,
+                .end    = 0xfeab3fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 0xfeab4000,
+                .end    = 0xfeab7fff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+static struct sh_mipi_dsi_info mipidsi0_info = {
+        .data_format    = MIPI_RGB888,
+        .lcd_chan       = &lcdc0_info.ch[0],
+        .vsynw_offset   = 20,
+        .clksrc         = 1,
+        .flags          = SH_MIPI_DSI_HSABM,
+};
+static struct platform_device mipidsi0_device = {
+        .name           = "sh-mipi-dsi",
+        .num_resources  = ARRAY_SIZE(mipidsi0_resources),
+        .resource       = mipidsi0_resources,
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &mipidsi0_info,
+        },
+};
 static struct platform_device *ag5evm_devices[] __initdata = {
        &eth_device,
        &keysc_device,
        &fsi_device,
        &mmc_device,
+        &irda_device,
+        &lcdc0_device,
+        &mipidsi0_device,
 };
 static struct map_desc ag5evm_io_desc[] __initdata = {
@@ -224,6 +379,8 @@ void __init ag5evm_init_irq(void)
        __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 }
+#define DSI0PHYCR       0xe615006c
 static void __init ag5evm_init(void)
 {
        sh73a0_pinmux_init();
@@ -287,6 +444,25 @@ static void __init ag5evm_init(void)
        gpio_request(GPIO_FN_FSIAISLD, NULL);
        gpio_request(GPIO_FN_FSIAOSLD, NULL);
+        /* IrDA */
+        gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
+        gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
+        gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
+        /* LCD panel */
+        gpio_request(GPIO_PORT217, NULL); /* RESET */
+        gpio_direction_output(GPIO_PORT217, 0);
+        mdelay(1);
+        gpio_set_value(GPIO_PORT217, 1);
+        /* LCD backlight controller */
+        gpio_request(GPIO_PORT235, NULL); /* RESET */
+        gpio_direction_output(GPIO_PORT235, 0);
+        lcd_backlight_reset();
+        /* MIPI-DSI clock setup */
+        __raw_writel(0x2a809010, DSI0PHYCR);
 #ifdef CONFIG_CACHE_L2X0
        /* Shared attribute override enable, 64K*8way */
        l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c
index 686b304a7708..ef4613b993a2 100644
--- a/arch/arm/mach-shmobile/board-g3evm.c
+++ b/arch/arm/mach-shmobile/board-g3evm.c
@@ -347,7 +347,6 @@ static void __init g3evm_init(void)
        gpio_request(GPIO_FN_IRDA_OUT, NULL);
        gpio_request(GPIO_FN_IRDA_IN, NULL);
        gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
-        set_irq_type(evt2irq(0x480), IRQ_TYPE_LEVEL_LOW);
        sh7367_add_standard_devices();
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 7b15d21f0f68..fb4213a4e15a 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -169,9 +169,8 @@
 *      SW1     |       SW33
 *              | bit1 | bit2 | bit3 | bit4
 * -------------+------+------+------+-------
- * MMC0   OFF   |  OFF |  ON  |  ON  |  X
+ * MMC0   OFF   |  OFF |   X  |  ON  |  X       (Use MMCIF)
- * MMC1   ON    |  OFF |  ON  |  X   | ON
+ * SDHI1  OFF   |  ON  |   X  |  OFF |  X       (Use MFD_SH_MOBILE_SDHI)
- * SDHI1  OFF   |  ON  |   X  |  OFF | ON
 *
 */
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 9aa8d68d1a9c..e9731b5a73ed 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -234,7 +234,9 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate)
        value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
-        __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
+        __raw_writel(value | ((idx + 19) << 24), PLLC2CR);
+        clk->rate = clk->freq_table[idx].frequency;
        return 0;
 }
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 720a71433be6..ddd4a1b775f0 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -118,8 +118,16 @@ static unsigned long pll_recalc(struct clk *clk)
 {
        unsigned long mult = 1;
-        if (__raw_readl(PLLECR) & (1 << clk->enable_bit))
+        if (__raw_readl(PLLECR) & (1 << clk->enable_bit)) {
                mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1);
+                /* handle CFG bit for PLL1 and PLL2 */
+                switch (clk->enable_bit) {
+                case 1:
+                case 2:
+                        if (__raw_readl(clk->enable_reg) & (1 << 20))
+                                mult *= 2;
+                }
+        }
        return clk->parent->rate * mult;
 }
@@ -212,7 +220,7 @@ enum { DIV4_I, DIV4_ZG, DIV4_M3, DIV4_B, DIV4_M1, DIV4_M2,
 static struct clk div4_clks[DIV4_NR] = {
        [DIV4_I] = DIV4(FRQCRA, 20, 0xfff, CLK_ENABLE_ON_INIT),
        [DIV4_ZG] = DIV4(FRQCRA, 16, 0xbff, CLK_ENABLE_ON_INIT),
-        [DIV4_M3] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT),
+        [DIV4_M3] = DIV4(FRQCRA, 12, 0xfff, CLK_ENABLE_ON_INIT),
        [DIV4_B] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT),
        [DIV4_M1] = DIV4(FRQCRA, 4, 0xfff, 0),
        [DIV4_M2] = DIV4(FRQCRA, 0, 0xfff, 0),
@@ -255,10 +263,10 @@ static struct clk div6_clks[DIV6_NR] = {
 };
 enum { MSTP001,
-        MSTP125, MSTP116,
+        MSTP125, MSTP118, MSTP116, MSTP100,
        MSTP219,
        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-        MSTP331, MSTP329, MSTP323, MSTP312,
+        MSTP331, MSTP329, MSTP325, MSTP323, MSTP312,
        MSTP411, MSTP410, MSTP403,
        MSTP_NR };
@@ -268,7 +276,9 @@ enum { MSTP001,
 static struct clk mstp_clks[MSTP_NR] = {
        [MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */
        [MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
+        [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX0 */
        [MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */
+        [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
        [MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
        [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
        [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
@@ -279,6 +289,7 @@ static struct clk mstp_clks[MSTP_NR] = {
        [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
        [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */
        [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
+        [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
        [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
        [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
        [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
@@ -288,16 +299,25 @@ static struct clk mstp_clks[MSTP_NR] = {
 #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
 #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
+#define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk }
 static struct clk_lookup lookups[] = {
        /* main clocks */
        CLKDEV_CON_ID("r_clk", &r_clk),
+        /* DIV6 clocks */
+        CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
+        CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
+        CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
+        CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
        /* MSTP32 clocks */
        CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
+        CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
        CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
        CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
        CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
+        CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
        CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
        CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
        CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
@@ -308,6 +328,7 @@ static struct clk_lookup lookups[] = {
        CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
        CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
        CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
+        CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
        CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
        CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
        CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
index f78a1ead71a5..ca5f9d17b39a 100644
--- a/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -365,6 +365,7 @@ static struct intc_desc intca_desc __initdata = {
 enum {
        UNUSED_INTCS = 0,
+        ENABLED_INTCS,
        INTCS,
@@ -413,7 +414,7 @@ enum {
        CMT4,
        DSITX1_DSITX1_0,
        DSITX1_DSITX1_1,
-        /* MFIS2 */
+        MFIS2_INTCS, /* Priority always enabled using ENABLED_INTCS */
        CPORTS2R,
        /* CEC */
        JPU6E,
@@ -477,7 +478,7 @@ static struct intc_vect intcs_vectors[] = {
        INTCS_VECT(CMT4, 0x1980),
        INTCS_VECT(DSITX1_DSITX1_0, 0x19a0),
        INTCS_VECT(DSITX1_DSITX1_1, 0x19c0),
-        /* MFIS2 */
+        INTCS_VECT(MFIS2_INTCS, 0x1a00),
        INTCS_VECT(CPORTS2R, 0x1a20),
        /* CEC */
        INTCS_VECT(JPU6E, 0x1a80),
@@ -543,7 +544,7 @@ static struct intc_mask_reg intcs_mask_registers[] = {
          { 0, TMU1_TUNI2, TMU1_TUNI1, TMU1_TUNI0,
            CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, 0 } },
        { 0xffd5019c, 0xffd501dc, 8, /* IMR7SA3 / IMCR7SA3 */
-          { 0, CPORTS2R, 0, 0,
+          { MFIS2_INTCS, CPORTS2R, 0, 0,
            JPU6E, 0, 0, 0 } },
        { 0xffd20104, 0, 16, /* INTAMASK */
          { 0, 0, 0, 0, 0, 0, 0, 0,
@@ -571,7 +572,8 @@ static struct intc_prio_reg intcs_prio_registers[] = {
        { 0xffd50030, 0, 16, 4, /* IPRMS3 */ { TMU1, 0, 0, 0 } },
        { 0xffd50034, 0, 16, 4, /* IPRNS3 */ { CMT4, DSITX1_DSITX1_0,
                                               DSITX1_DSITX1_1, 0 } },
-        { 0xffd50038, 0, 16, 4, /* IPROS3 */ { 0, CPORTS2R, 0, 0 } },
+        { 0xffd50038, 0, 16, 4, /* IPROS3 */ { ENABLED_INTCS, CPORTS2R,
+                                               0, 0 } },
        { 0xffd5003c, 0, 16, 4, /* IPRPS3 */ { JPU6E, 0, 0, 0 } },
 };
@@ -590,6 +592,7 @@ static struct resource intcs_resources[] __initdata = {
 static struct intc_desc intcs_desc __initdata = {
        .name = "sh7372-intcs",
+        .force_enable = ENABLED_INTCS,
        .resource = intcs_resources,
        .num_resources = ARRAY_SIZE(intcs_resources),
        .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers,
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 322d8d57cbcf..5d0e1503ece6 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -252,10 +252,11 @@ static irqreturn_t sh73a0_intcs_demux(int irq, void *dev_id)
 void __init sh73a0_init_irq(void)
 {
-        void __iomem *gic_base = __io(0xf0001000);
+        void __iomem *gic_dist_base = __io(0xf0001000);
+        void __iomem *gic_cpu_base = __io(0xf0000100);
        void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
-        gic_init(0, 29, gic_base, gic_base);
+        gic_init(0, 29, gic_dist_base, gic_cpu_base);
        register_intc_controller(&intcs_desc);
diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h
new file mode 100644
index 000000000000..66ad2760c621
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/kbc.h
@@ -0,0 +1,61 @@
+/*
+ * Platform definitions for tegra-kbc keyboard input driver
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#ifndef ASMARM_ARCH_TEGRA_KBC_H
+#define ASMARM_ARCH_TEGRA_KBC_H
+#include <linux/types.h>
+#include <linux/input/matrix_keypad.h>
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+#define KBC_MAX_GPIO    24
+#define KBC_MAX_KPENT   8
+#else
+#define KBC_MAX_GPIO    20
+#define KBC_MAX_KPENT   7
+#endif
+#define KBC_MAX_ROW     16
+#define KBC_MAX_COL     8
+#define KBC_MAX_KEY     (KBC_MAX_ROW * KBC_MAX_COL)
+struct tegra_kbc_pin_cfg {
+        bool is_row;
+        unsigned char num;
+};
+struct tegra_kbc_wake_key {
+        u8 row:4;
+        u8 col:4;
+};
+struct tegra_kbc_platform_data {
+        unsigned int debounce_cnt;
+        unsigned int repeat_cnt;
+        unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */
+        const struct tegra_kbc_wake_key *wake_cfg;
+        struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
+        const struct matrix_keymap_data *keymap_data;
+        bool wakeup;
+};
+#endif
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index 3f7b5e9d83c5..9cdec5aa04a0 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -2,17 +2,19 @@ menu "Versatile platform type"
        depends on ARCH_VERSATILE
 config ARCH_VERSATILE_PB
-        bool "Support Versatile/PB platform"
+        bool "Support Versatile Platform Baseboard for ARM926EJ-S"
        select CPU_ARM926T
        select MIGHT_HAVE_PCI
        default y
        help
-          Include support for the ARM(R) Versatile/PB platform.
+          Include support for the ARM(R) Versatile Platform Baseboard
+          for the ARM926EJ-S.
 config MACH_VERSATILE_AB
-        bool "Support Versatile/AB platform"
+        bool "Support Versatile Application Baseboard for ARM926EJ-S"
        select CPU_ARM926T
        help
-          Include support for the ARM(R) Versatile/AP platform.
+          Include support for the ARM(R) Versatile Application Baseboard
+          for the ARM926EJ-S.
 endmenu
diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c
index b1687b6abe63..634bf1d3a311 100644
--- a/arch/arm/mach-vexpress/platsmp.c
+++ b/arch/arm/mach-vexpress/platsmp.c
@@ -39,7 +39,7 @@ volatile int __cpuinitdata pen_release = -1;
 * observers, irrespective of whether they're taking part in coherency
 * or not.  This is necessary for the hotplug code to work reliably.
 */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
        pen_release = val;
        smp_wmb();
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index a9ed3428a2fa..1edae65a0e72 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -19,6 +19,7 @@
 #include <asm/mach/time.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/timer-sp.h>
+#include <asm/hardware/sp810.h>
 #include <mach/motherboard.h>
@@ -50,8 +51,16 @@ void __init v2m_map_io(struct map_desc *tile, size_t num)
 static void __init v2m_timer_init(void)
 {
+        u32 scctrl;
        versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
+        /* Select 1MHz TIMCLK as the reference clock for SP804 timers */
+        scctrl = readl(MMIO_P2V(V2M_SYSCTL + SCCTRL));
+        scctrl |= SCCTRL_TIMEREN0SEL_TIMCLK;
+        scctrl |= SCCTRL_TIMEREN1SEL_TIMCLK;
+        writel(scctrl, MMIO_P2V(V2M_SYSCTL + SCCTRL));
        writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL);
        writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL);
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 18fe3cb195dc..b6333ae3f92a 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG
 config OMAP_IOMMU_IVA2
        bool
-choice
-        prompt "System timer"
-        default OMAP_32K_TIMER if !ARCH_OMAP15XX
 config OMAP_MPU_TIMER
        bool "Use mpu timer"
+        depends on ARCH_OMAP1
        help
          Select this option if you want to use the OMAP mpu timer. This
          timer provides more intra-tick resolution than the 32KHz timer,
@@ -158,6 +155,7 @@ config OMAP_MPU_TIMER
 config OMAP_32K_TIMER
        bool "Use 32KHz timer"
        depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
+        default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
        help
          Select this option if you want to enable the OMAP 32KHz timer.
          This timer saves power compared to the OMAP_MPU_TIMER, and has
@@ -165,8 +163,6 @@ config OMAP_32K_TIMER
          intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
          currently only available for OMAP16XX, 24XX, 34XX and OMAP4.
-endchoice
 config OMAP3_L2_AUX_SECURE_SAVE_RESTORE
        bool "OMAP3 HS/EMU save and restore for L2 AUX control register"
        depends on ARCH_OMAP3 && PM
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index ea4644021fb9..862dda95d61d 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -36,8 +36,6 @@
 #define OMAP16XX_TIMER_32K_SYNCHRONIZED         0xfffbc410
-#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX))
 #include <linux/clocksource.h>
 /*
@@ -122,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd);
 #define SC_MULT         4000000000u
 #define SC_SHIFT        17
-unsigned long long notrace sched_clock(void)
+static inline unsigned long long notrace _omap_32k_sched_clock(void)
 {
        u32 cyc = clocksource_32k.read(&clocksource_32k);
        return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
 }
+#ifndef CONFIG_OMAP_MPU_TIMER
+unsigned long long notrace sched_clock(void)
+{
+        return _omap_32k_sched_clock();
+}
+#else
+unsigned long long notrace omap_32k_sched_clock(void)
+{
+        return _omap_32k_sched_clock();
+}
+#endif
 static void notrace omap_update_sched_clock(void)
 {
        u32 cyc = clocksource_32k.read(&clocksource_32k);
@@ -160,7 +170,7 @@ void read_persistent_clock(struct timespec *ts)
        *ts = *tsp;
 }
-static int __init omap_init_clocksource_32k(void)
+int __init omap_init_clocksource_32k(void)
 {
        static char err[] __initdata = KERN_ERR
                        "%s: can't register clocksource!\n";
@@ -195,7 +205,3 @@ static int __init omap_init_clocksource_32k(void)
        }
        return 0;
 }
-arch_initcall(omap_init_clocksource_32k);
-#endif  /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index c4b2b478b1a5..85363084cc1a 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -53,7 +53,7 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED };
 #endif
 #define OMAP_DMA_ACTIVE                 0x01
-#define OMAP2_DMA_CSR_CLEAR_MASK        0xffe
+#define OMAP2_DMA_CSR_CLEAR_MASK        0xffffffff
 #define OMAP_FUNC_MUX_ARM_BASE          (0xfffe1000 + 0xec)
@@ -1873,7 +1873,7 @@ static int omap2_dma_handle_ch(int ch)
                printk(KERN_INFO "DMA misaligned error with device %d\n",
                       dma_chan[ch].dev_id);
-        p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, ch);
+        p->dma_write(status, CSR, ch);
        p->dma_write(1 << ch, IRQSTATUS_L0, ch);
        /* read back the register to flush the write */
        p->dma_read(IRQSTATUS_L0, ch);
@@ -1893,10 +1893,9 @@ static int omap2_dma_handle_ch(int ch)
                        OMAP_DMA_CHAIN_INCQHEAD(chain_id);
                status = p->dma_read(CSR, ch);
+                p->dma_write(status, CSR, ch);
        }
-        p->dma_write(status, CSR, ch);
        if (likely(dma_chan[ch].callback != NULL))
                dma_chan[ch].callback(ch, status, dma_chan[ch].data);
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 6b8088ec74af..29b2afb4288f 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -35,6 +35,9 @@ struct sys_timer;
 extern void omap_map_common_io(void);
 extern struct sys_timer omap_timer;
+extern bool omap_32k_timer_init(void);
+extern int __init omap_init_clocksource_32k(void);
+extern unsigned long long notrace omap_32k_sched_clock(void);
 extern void omap_reserve(void);
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index b1577f741fa8..82a4bb51d5d8 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -610,17 +610,17 @@ static void amiga_mem_console_write(struct console *co, const char *s,
 static int __init amiga_savekmsg_setup(char *arg)
 {
-        static struct resource debug_res = { .name = "Debug" };
        if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
-                goto done;
+                return 0;
-        if (!AMIGAHW_PRESENT(CHIP_RAM)) {
+        if (amiga_chip_size < SAVEKMSG_MAXMEM) {
-                printk("Warning: no chipram present for debugging\n");
+                pr_err("Not enough chipram for debugging\n");
-                goto done;
+                return -ENOMEM;
        }
-        savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
+        /* Just steal the block, the chipram allocator isn't functional yet */
+        amiga_chip_size -= SAVEKMSG_MAXMEM;
+        savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
        savekmsg->magic1 = SAVEKMSG_MAGIC1;
        savekmsg->magic2 = SAVEKMSG_MAGIC2;
        savekmsg->magicptr = ZTWO_PADDR(savekmsg);
@@ -628,8 +628,6 @@ static int __init amiga_savekmsg_setup(char *arg)
        amiga_console_driver.write = amiga_mem_console_write;
        register_console(&amiga_console_driver);
-done:
        return 0;
 }
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 39478dd08e67..26a804e67bce 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -388,9 +388,9 @@ void __init atari_init_IRQ(void)
        }
        if (ATARIHW_PRESENT(SCC) && !atari_SCC_reset_done) {
-                scc.cha_a_ctrl = 9;
+                atari_scc.cha_a_ctrl = 9;
                MFPDELAY();
-                scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */
+                atari_scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */
        }
        if (ATARIHW_PRESENT(SCU)) {
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index ae2d96e5d618..4203d101363c 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -315,7 +315,7 @@ void __init config_atari(void)
                ATARIHW_SET(SCC_DMA);
                printk("SCC_DMA ");
        }
-        if (scc_test(&scc.cha_a_ctrl)) {
+        if (scc_test(&atari_scc.cha_a_ctrl)) {
                ATARIHW_SET(SCC);
                printk("SCC ");
        }
diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c
index 28efdc33c1ae..5a484247e493 100644
--- a/arch/m68k/atari/debug.c
+++ b/arch/m68k/atari/debug.c
@@ -53,9 +53,9 @@ static inline void ata_scc_out(char c)
 {
        do {
                MFPDELAY();
-        } while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */
+        } while (!(atari_scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */
        MFPDELAY();
-        scc.cha_b_data = c;
+        atari_scc.cha_b_data = c;
 }
 static void atari_scc_console_write(struct console *co, const char *str,
@@ -140,9 +140,9 @@ int atari_scc_console_wait_key(struct console *co)
 {
        do {
                MFPDELAY();
-        } while (!(scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */
+        } while (!(atari_scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */
        MFPDELAY();
-        return scc.cha_b_data;
+        return atari_scc.cha_b_data;
 }
 int atari_midi_console_wait_key(struct console *co)
@@ -185,9 +185,9 @@ static void __init atari_init_mfp_port(int cflag)
 #define SCC_WRITE(reg, val)                             \
        do {                                            \
-                scc.cha_b_ctrl = (reg);                 \
+                atari_scc.cha_b_ctrl = (reg);           \
                MFPDELAY();                             \
-                scc.cha_b_ctrl = (val);                 \
+                atari_scc.cha_b_ctrl = (val);           \
                MFPDELAY();                             \
        } while (0)
@@ -240,7 +240,7 @@ static void __init atari_init_scc_port(int cflag)
        reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : 0x40;
        reg5 = (cflag & CSIZE) == CS8 ? 0x60 : 0x20 | 0x82 /* assert DTR/RTS */;
-        (void)scc.cha_b_ctrl;           /* reset reg pointer */
+        (void)atari_scc.cha_b_ctrl;     /* reset reg pointer */
        SCC_WRITE(9, 0xc0);             /* reset */
        LONG_DELAY();                   /* extra delay after WR9 access */
        SCC_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03)
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h
index a714e1aa072a..f51f709bbf30 100644
--- a/arch/m68k/include/asm/atarihw.h
+++ b/arch/m68k/include/asm/atarihw.h
@@ -449,7 +449,7 @@ struct SCC
  u_char char_dummy3;
  u_char cha_b_data;
 };
-# define scc ((*(volatile struct SCC*)SCC_BAS))
+# define atari_scc ((*(volatile struct SCC*)SCC_BAS))
 /* The ESCC (Z85230) in an Atari ST. The channels are reversed! */
 # define st_escc ((*(volatile struct SCC*)0xfffffa31))
diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h
index 2936dda938d7..65b131282837 100644
--- a/arch/m68k/include/asm/string.h
+++ b/arch/m68k/include/asm/string.h
@@ -81,18 +81,6 @@ static inline char *strncpy(char *dest, const char *src, size_t n)
        strcpy(__d + strlen(__d), (s));         \
 })
-#define __HAVE_ARCH_STRCHR
-static inline char *strchr(const char *s, int c)
-{
-        char sc, ch = c;
-        for (; (sc = *s++) != ch; ) {
-                if (!sc)
-                        return NULL;
-        }
-        return (char *)s - 1;
-}
 #ifndef CONFIG_COLDFIRE
 #define __HAVE_ARCH_STRCMP
 static inline int strcmp(const char *cs, const char *ct)
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 11bdd68e5762..fc770be465ff 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -169,11 +169,11 @@ static int __init pdc_console_tty_driver_init(void)
        struct console *tmp;
-        acquire_console_sem();
+        console_lock();
        for_each_console(tmp)
                if (tmp == &pdc_cons)
                        break;
-        release_console_sem();
+        console_unlock();
        if (!tmp) {
                printk(KERN_INFO "PDC console driver not registered anymore, not creating %s\n", pdc_cons.name);
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
index 4dcf5f831e9d..b0dc8f7069cd 100644
--- a/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -596,6 +596,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
                        if (left <= 0)
                                left = period;
                        record = 1;
+                        event->hw.last_period = event->hw.sample_period;
                }
                if (left < 0x80000000LL)
                        val = 0x80000000LL - left;
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ae555569823b..8a9011dced14 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -15,6 +15,7 @@ config SUPERH
        select HAVE_KERNEL_GZIP
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_LZMA
+        select HAVE_KERNEL_XZ
        select HAVE_KERNEL_LZO
        select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_REGS_AND_STACK_ACCESS_API
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 9c8c6e1a2a15..e3d8170ad00b 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -200,7 +200,7 @@ endif
 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
-BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
               uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
               romImage
 PHONY += $(BOOT_TARGETS)
@@ -230,5 +230,6 @@ define archhelp
        @echo '* uImage.gz                 - Kernel-only image for U-Boot (gzip)'
        @echo '  uImage.bz2                - Kernel-only image for U-Boot (bzip2)'
        @echo '  uImage.lzma               - Kernel-only image for U-Boot (lzma)'
+        @echo '  uImage.xz                 - Kernel-only image for U-Boot (xz)'
        @echo '  uImage.lzo                - Kernel-only image for U-Boot (lzo)'
 endef
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 33b662999fc6..701667acfd89 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -1294,6 +1294,7 @@ static int __init arch_setup(void)
        i2c_register_board_info(1, i2c1_devices,
                                ARRAY_SIZE(i2c1_devices));
+#if defined(CONFIG_VIDEO_SH_VOU) || defined(CONFIG_VIDEO_SH_VOU_MODULE)
        /* VOU */
        gpio_request(GPIO_FN_DV_D15, NULL);
        gpio_request(GPIO_FN_DV_D14, NULL);
@@ -1325,6 +1326,7 @@ static int __init arch_setup(void)
        /* Remove reset */
        gpio_set_value(GPIO_PTG4, 1);
+#endif
        return platform_add_devices(ecovec_devices,
                                    ARRAY_SIZE(ecovec_devices));
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 1ce63624c9b9..ba515d800245 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -24,12 +24,13 @@ suffix-y := bin
 suffix-$(CONFIG_KERNEL_GZIP)    := gz
 suffix-$(CONFIG_KERNEL_BZIP2)   := bz2
 suffix-$(CONFIG_KERNEL_LZMA)    := lzma
+suffix-$(CONFIG_KERNEL_XZ)      := xz
 suffix-$(CONFIG_KERNEL_LZO)     := lzo
 targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \
-           uImage.bz2 uImage.lzma uImage.lzo uImage.bin
+           uImage.bz2 uImage.lzma uImage.xz uImage.lzo uImage.bin
 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
-           vmlinux.bin.lzo
+           vmlinux.bin.xz vmlinux.bin.lzo
 subdir- := compressed romimage
 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@@ -76,6 +77,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
        $(call if_changed,lzma)
+$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
+        $(call if_changed,xzkern)
 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
        $(call if_changed,lzo)
@@ -88,6 +92,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
        $(call if_changed,uimage,lzma)
+$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz
+        $(call if_changed,uimage,xz)
 $(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo
        $(call if_changed,uimage,lzo)
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index cfa5a087a886..e0b0293bae63 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -6,7 +6,7 @@
 targets         := vmlinux vmlinux.bin vmlinux.bin.gz \
                   vmlinux.bin.bz2 vmlinux.bin.lzma \
-                   vmlinux.bin.lzo \
+                   vmlinux.bin.xz vmlinux.bin.lzo \
                   head_$(BITS).o misc.o piggy.o
 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
@@ -50,6 +50,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,bzip2)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,lzma)
+$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
+        $(call if_changed,xzkern)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,lzo)
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index 27140a6b365d..95470a472d2c 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -61,6 +61,10 @@ static unsigned long free_mem_end_ptr;
 #include "../../../../lib/decompress_unlzma.c"
 #endif
+#ifdef CONFIG_KERNEL_XZ
+#include "../../../../lib/decompress_unxz.c"
+#endif
 #ifdef CONFIG_KERNEL_LZO
 #include "../../../../lib/decompress_unlzo.c"
 #endif
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 083ea068e819..db85916b9e95 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -134,6 +134,7 @@ typedef pte_t *pte_addr_t;
 extern void pgtable_cache_init(void);
 struct vm_area_struct;
+struct mm_struct;
 extern void __update_cache(struct vm_area_struct *vma,
                           unsigned long address, pte_t pte);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index c2b0aaaedcae..672944f5b19c 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -230,10 +230,10 @@ static struct platform_device *sh7750_devices[] __initdata = {
 static int __init sh7750_devices_setup(void)
 {
        if (mach_is_rts7751r2d()) {
-                platform_register_device(&scif_device);
+                platform_device_register(&scif_device);
        } else {
-                platform_register_device(&sci_device);
+                platform_device_register(&sci_device);
-                platform_register_device(&scif_device);
+                platform_device_register(&scif_device);
        }
        return platform_add_devices(sh7750_devices,
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 948fdb656933..38e862852dd0 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -17,6 +17,7 @@
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
 cpumask_t cpu_core_map[NR_CPUS];
+EXPORT_SYMBOL(cpu_core_map);
 static cpumask_t cpu_coregroup_map(unsigned int cpu)
 {
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 63e35ec9075c..62f084478f7e 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -1,48 +1,8 @@
 #ifndef _ASM_X86_CACHEFLUSH_H
 #define _ASM_X86_CACHEFLUSH_H
-/* Keep includes the same across arches.  */
-#include <linux/mm.h>
 /* Caches aren't brain-dead on the intel. */
-static inline void flush_cache_all(void) { }
+#include <asm-generic/cacheflush.h>
-static inline void flush_cache_mm(struct mm_struct *mm) { }
-static inline void flush_cache_dup_mm(struct mm_struct *mm) { }
-static inline void flush_cache_range(struct vm_area_struct *vma,
-                                     unsigned long start, unsigned long end) { }
-static inline void flush_cache_page(struct vm_area_struct *vma,
-                                    unsigned long vmaddr, unsigned long pfn) { }
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-static inline void flush_dcache_page(struct page *page) { }
-static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
-static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
-static inline void flush_icache_range(unsigned long start,
-                                      unsigned long end) { }
-static inline void flush_icache_page(struct vm_area_struct *vma,
-                                     struct page *page) { }
-static inline void flush_icache_user_range(struct vm_area_struct *vma,
-                                           struct page *page,
-                                           unsigned long addr,
-                                           unsigned long len) { }
-static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }
-static inline void flush_cache_vunmap(unsigned long start,
-                                      unsigned long end) { }
-static inline void copy_to_user_page(struct vm_area_struct *vma,
-                                     struct page *page, unsigned long vaddr,
-                                     void *dst, const void *src,
-                                     unsigned long len)
-{
-        memcpy(dst, src, len);
-}
-static inline void copy_from_user_page(struct vm_area_struct *vma,
-                                       struct page *page, unsigned long vaddr,
-                                       void *dst, const void *src,
-                                       unsigned long len)
-{
-        memcpy(dst, src, len);
-}
 #ifdef CONFIG_X86_PAT
 /*
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 4fab24de26b1..6e6e7558e702 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -32,5 +32,6 @@ extern void arch_unregister_cpu(int);
 DECLARE_PER_CPU(int, cpu_state);
+int __cpuinit mwait_usable(const struct cpuinfo_x86 *);
 #endif /* _ASM_X86_CPU_H */
diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h
index f52d42e80585..574dbc22893a 100644
--- a/arch/x86/include/asm/jump_label.h
+++ b/arch/x86/include/asm/jump_label.h
@@ -14,7 +14,7 @@
        do {                                                    \
                asm goto("1:"                                   \
                        JUMP_LABEL_INITIAL_NOP                  \
-                        ".pushsection __jump_table,  \"a\" \n\t"\
+                        ".pushsection __jump_table,  \"aw\" \n\t"\
                        _ASM_PTR "1b, %l[" #label "], %c0 \n\t" \
                        ".popsection \n\t"                      \
                        : :  "i" (key) :  : label);             \
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 2071a8b2b32f..ebbc4d8ab170 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -558,13 +558,12 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
                              pmd_t *pmdp, pmd_t pmd)
 {
-#if PAGETABLE_LEVELS >= 3
        if (sizeof(pmdval_t) > sizeof(long))
                /* 5 arg words */
                pv_mmu_ops.set_pmd_at(mm, addr, pmdp, pmd);
        else
-                PVOP_VCALL4(pv_mmu_ops.set_pmd_at, mm, addr, pmdp, pmd.pmd);
+                PVOP_VCALL4(pv_mmu_ops.set_pmd_at, mm, addr, pmdp,
-#endif
+                            native_pmd_val(pmd));
 }
 #endif
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 7283e98deaae..ec2c19a7b8ef 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -45,6 +45,7 @@ static const struct _cache_table __cpuinitconst cache_table[] =
        { 0x0a, LVL_1_DATA, 8 },        /* 2 way set assoc, 32 byte line size */
        { 0x0c, LVL_1_DATA, 16 },       /* 4-way set assoc, 32 byte line size */
        { 0x0d, LVL_1_DATA, 16 },       /* 4-way set assoc, 64 byte line size */
+        { 0x0e, LVL_1_DATA, 24 },       /* 6-way set assoc, 64 byte line size */
        { 0x21, LVL_2,      256 },      /* 8-way set assoc, 64 byte line size */
        { 0x22, LVL_3,      512 },      /* 4-way set assoc, sectored cache, 64 byte line size */
        { 0x23, LVL_3,      MB(1) },    /* 8-way set assoc, sectored cache, 64 byte line size */
@@ -66,6 +67,7 @@ static const struct _cache_table __cpuinitconst cache_table[] =
        { 0x45, LVL_2,      MB(2) },    /* 4-way set assoc, 32 byte line size */
        { 0x46, LVL_3,      MB(4) },    /* 4-way set assoc, 64 byte line size */
        { 0x47, LVL_3,      MB(8) },    /* 8-way set assoc, 64 byte line size */
+        { 0x48, LVL_2,      MB(3) },    /* 12-way set assoc, 64 byte line size */
        { 0x49, LVL_3,      MB(4) },    /* 16-way set assoc, 64 byte line size */
        { 0x4a, LVL_3,      MB(6) },    /* 12-way set assoc, 64 byte line size */
        { 0x4b, LVL_3,      MB(8) },    /* 16-way set assoc, 64 byte line size */
@@ -87,6 +89,7 @@ static const struct _cache_table __cpuinitconst cache_table[] =
        { 0x7c, LVL_2,      MB(1) },    /* 8-way set assoc, sectored cache, 64 byte line size */
        { 0x7d, LVL_2,      MB(2) },    /* 8-way set assoc, 64 byte line size */
        { 0x7f, LVL_2,      512 },      /* 2-way set assoc, 64 byte line size */
+        { 0x80, LVL_2,      512 },      /* 8-way set assoc, 64 byte line size */
        { 0x82, LVL_2,      256 },      /* 8-way set assoc, 32 byte line size */
        { 0x83, LVL_2,      512 },      /* 8-way set assoc, 32 byte line size */
        { 0x84, LVL_2,      MB(1) },    /* 8-way set assoc, 32 byte line size */
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index e12246ff5aa6..6f8c5e9da97f 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -59,6 +59,7 @@ struct thermal_state {
 /* Callback to handle core threshold interrupts */
 int (*platform_thermal_notify)(__u64 msr_val);
+EXPORT_SYMBOL(platform_thermal_notify);
 static DEFINE_PER_CPU(struct thermal_state, thermal_state);
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index d8286ed54ffa..e764fc05d700 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -14,6 +14,7 @@
 #include <linux/utsname.h>
 #include <trace/events/power.h>
 #include <linux/hw_breakpoint.h>
+#include <asm/cpu.h>
 #include <asm/system.h>
 #include <asm/apic.h>
 #include <asm/syscalls.h>
@@ -505,7 +506,7 @@ static void poll_idle(void)
 #define MWAIT_ECX_EXTENDED_INFO         0x01
 #define MWAIT_EDX_C1                    0xf0
-static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
+int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
 {
        u32 eax, ebx, ecx, edx;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 763df77343dd..0cbe8c0b35ed 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1402,8 +1402,9 @@ static inline void mwait_play_dead(void)
        unsigned int highest_subcstate = 0;
        int i;
        void *mwait_ptr;
+        struct cpuinfo_x86 *c = __this_cpu_ptr(&cpu_info);
-        if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_MWAIT))
+        if (!(cpu_has(c, X86_FEATURE_MWAIT) && mwait_usable(c)))
                return;
        if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_CLFLSH))
                return;
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 826ab0939a12..fab3d3265adb 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -68,6 +68,7 @@ static struct _intel_private {
        phys_addr_t gma_bus_addr;
        u32 PGETBL_save;
        u32 __iomem *gtt;               /* I915G */
+        bool clear_fake_agp; /* on first access via agp, fill with scratch */
        int num_dcache_entries;
        union {
                void __iomem *i9xx_flush_page;
@@ -869,21 +870,12 @@ static int intel_fake_agp_free_gatt_table(struct agp_bridge_data *bridge)
 static int intel_fake_agp_configure(void)
 {
-        int i;
        if (!intel_enable_gtt())
            return -EIO;
+        intel_private.clear_fake_agp = true;
        agp_bridge->gart_bus_addr = intel_private.gma_bus_addr;
-        for (i = 0; i < intel_private.base.gtt_total_entries; i++) {
-                intel_private.driver->write_entry(intel_private.scratch_page_dma,
-                                                  i, 0);
-        }
-        readl(intel_private.gtt+i-1);   /* PCI Posting. */
-        global_cache_flush();
        return 0;
 }
@@ -945,6 +937,13 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
 {
        int ret = -EINVAL;
+        if (intel_private.clear_fake_agp) {
+                int start = intel_private.base.stolen_size / PAGE_SIZE;
+                int end = intel_private.base.gtt_mappable_entries;
+                intel_gtt_clear_range(start, end - start);
+                intel_private.clear_fake_agp = false;
+        }
        if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY)
                return i810_insert_dcache_entries(mem, pg_start, type);
diff --git a/drivers/char/bfin_jtag_comm.c b/drivers/char/bfin_jtag_comm.c
index e397df3ad98e..16402445f2b2 100644
--- a/drivers/char/bfin_jtag_comm.c
+++ b/drivers/char/bfin_jtag_comm.c
@@ -183,16 +183,16 @@ bfin_jc_circ_write(const unsigned char *buf, int count)
 }
 #ifndef CONFIG_BFIN_JTAG_COMM_CONSOLE
-# define acquire_console_sem()
+# define console_lock()
-# define release_console_sem()
+# define console_unlock()
 #endif
 static int
 bfin_jc_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
        int i;
-        acquire_console_sem();
+        console_lock();
        i = bfin_jc_circ_write(buf, count);
-        release_console_sem();
+        console_unlock();
        wake_up_process(bfin_jc_kthread);
        return i;
 }
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 1f46f1cd9225..36e0fa161c2b 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -364,12 +364,14 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip,
                    tpm_protected_ordinal_duration[ordinal &
                                                   TPM_PROTECTED_ORDINAL_MASK];
-        if (duration_idx != TPM_UNDEFINED)
+        if (duration_idx != TPM_UNDEFINED) {
                duration = chip->vendor.duration[duration_idx];
-        if (duration <= 0)
+                /* if duration is 0, it's because chip->vendor.duration wasn't */
+                /* filled yet, so we set the lowest timeout just to give enough */
+                /* time for tpm_get_timeouts() to succeed */
+                return (duration <= 0 ? HZ : duration);
+        } else
                return 2 * 60 * HZ;
-        else
-                return duration;
 }
 EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index c17a305ecb28..dd21df55689d 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -493,9 +493,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
                 "1.2 TPM (device-id 0x%X, rev-id %d)\n",
                 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
-        if (is_itpm(to_pnp_dev(dev)))
-                itpm = 1;
        if (itpm)
                dev_info(dev, "Intel iTPM workaround enabled\n");
@@ -637,6 +634,9 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
        else
                interrupts = 0;
+        if (is_itpm(pnp_dev))
+                itpm = 1;
        return tpm_tis_init(&pnp_dev->dev, start, len, irq);
 }
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index cfb0f5278415..effe7974aa9a 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -202,17 +202,21 @@ static int __init init_acpi_pm_clocksource(void)
                        printk(KERN_INFO "PM-Timer had inconsistent results:"
                               " 0x%#llx, 0x%#llx - aborting.\n",
                               value1, value2);
+                        pmtmr_ioport = 0;
                        return -EINVAL;
                }
                if (i == ACPI_PM_READ_CHECKS) {
                        printk(KERN_INFO "PM-Timer failed consistency check "
                               " (0x%#llx) - aborting.\n", value1);
+                        pmtmr_ioport = 0;
                        return -ENODEV;
                }
        }
-        if (verify_pmtmr_rate() != 0)
+        if (verify_pmtmr_rate() != 0){
+                pmtmr_ioport = 0;
                return -ENODEV;
+        }
        return clocksource_register_hz(&clocksource_acpi_pm,
                                                PMTMR_TICKS_PER_SEC);
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 01b886e68822..79c47e88d5d1 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -196,9 +196,9 @@ static void __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)
        clkevt.clkevt.min_delta_ns = clockevent_delta2ns(1, &clkevt.clkevt) + 1;
        clkevt.clkevt.cpumask = cpumask_of(0);
-        setup_irq(irq, &tc_irqaction);
        clockevents_register_device(&clkevt.clkevt);
+        setup_irq(irq, &tc_irqaction);
 }
 #else /* !CONFIG_GENERIC_CLOCKEVENTS */
diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index d81cc748e77f..54d70a47afc1 100644
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -187,7 +187,7 @@ MODULE_DEVICE_TABLE(pci, lnw_gpio_ids);
 static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-        struct lnw_gpio *lnw = (struct lnw_gpio *)get_irq_data(irq);
+        struct lnw_gpio *lnw = get_irq_data(irq);
        u32 base, gpio;
        void __iomem *gedr;
        u32 gedr_v;
@@ -206,7 +206,12 @@ static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
                /* clear the edge detect status bit */
                writel(gedr_v, gedr);
        }
-        desc->chip->eoi(irq);
+        if (desc->chip->irq_eoi)
+                desc->chip->irq_eoi(irq_get_irq_data(irq));
+        else
+                dev_warn(lnw->chip.dev, "missing EOI handler for irq %d\n", irq);
 }
 static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index bea966f8ac84..0902d4460039 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -100,7 +100,10 @@ config DRM_I830
 config DRM_I915
        tristate "i915 driver"
        depends on AGP_INTEL
+        # we need shmfs for the swappable backing store, and in particular
+        # the shmem_readpage() which depends upon tmpfs
        select SHMEM
+        select TMPFS
        select DRM_KMS_HELPER
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 844f3c972b04..17bd766f2081 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -152,7 +152,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
-        struct intel_ring_buffer *ring = LP_RING(dev_priv);
+        int ret;
        master_priv->sarea = drm_getsarea(dev);
        if (master_priv->sarea) {
@@ -163,33 +163,22 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
        }
        if (init->ring_size != 0) {
-                if (ring->obj != NULL) {
+                if (LP_RING(dev_priv)->obj != NULL) {
                        i915_dma_cleanup(dev);
                        DRM_ERROR("Client tried to initialize ringbuffer in "
                                  "GEM mode\n");
                        return -EINVAL;
                }
-                ring->size = init->ring_size;
+                ret = intel_render_ring_init_dri(dev,
+                                                 init->ring_start,
-                ring->map.offset = init->ring_start;
+                                                 init->ring_size);
-                ring->map.size = init->ring_size;
+                if (ret) {
-                ring->map.type = 0;
-                ring->map.flags = 0;
-                ring->map.mtrr = 0;
-                drm_core_ioremap_wc(&ring->map, dev);
-                if (ring->map.handle == NULL) {
                        i915_dma_cleanup(dev);
-                        DRM_ERROR("can not ioremap virtual address for"
+                        return ret;
-                                  " ring buffer\n");
-                        return -ENOMEM;
                }
        }
-        ring->virtual_start = ring->map.handle;
        dev_priv->cpp = init->cpp;
        dev_priv->back_offset = init->back_offset;
        dev_priv->front_offset = init->front_offset;
@@ -1226,9 +1215,15 @@ static int i915_load_modeset_init(struct drm_device *dev)
        if (ret)
                DRM_INFO("failed to find VBIOS tables\n");
-        /* if we have > 1 VGA cards, then disable the radeon VGA resources */
+        /* If we have > 1 VGA cards, then we need to arbitrate access
+         * to the common VGA resources.
+         *
+         * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
+         * then we do not take part in VGA arbitration and the
+         * vga_client_register() fails with -ENODEV.
+         */
        ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
-        if (ret)
+        if (ret && ret != -ENODEV)
                goto cleanup_ringbuffer;
        intel_register_dsm_handler();
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 72fea2bcfc4f..66796bb82d3e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -60,7 +60,7 @@ extern int intel_agp_enabled;
 #define INTEL_VGA_DEVICE(id, info) {            \
        .class = PCI_CLASS_DISPLAY_VGA << 8,    \
-        .class_mask = 0xffff00,                 \
+        .class_mask = 0xff0000,                 \
        .vendor = 0x8086,                       \
        .device = id,                           \
        .subvendor = PCI_ANY_ID,                \
@@ -752,6 +752,9 @@ static int __init i915_init(void)
                driver.driver_features &= ~DRIVER_MODESET;
 #endif
+        if (!(driver.driver_features & DRIVER_MODESET))
+                driver.get_vblank_timestamp = NULL;
        return drm_init(&driver);
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5969f46ac2d6..a0149c619cdd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -543,8 +543,11 @@ typedef struct drm_i915_private {
                /** List of all objects in gtt_space. Used to restore gtt
                 * mappings on resume */
                struct list_head gtt_list;
-                /** End of mappable part of GTT */
+                /** Usable portion of the GTT for GEM */
+                unsigned long gtt_start;
                unsigned long gtt_mappable_end;
+                unsigned long gtt_end;
                struct io_mapping *gtt_mapping;
                int gtt_mtrr;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3dfc848ff755..cf4f74c7c6fb 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -140,12 +140,16 @@ void i915_gem_do_init(struct drm_device *dev,
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
-        drm_mm_init(&dev_priv->mm.gtt_space, start,
+        drm_mm_init(&dev_priv->mm.gtt_space, start, end - start);
-                    end - start);
+        dev_priv->mm.gtt_start = start;
+        dev_priv->mm.gtt_mappable_end = mappable_end;
+        dev_priv->mm.gtt_end = end;
        dev_priv->mm.gtt_total = end - start;
        dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start;
-        dev_priv->mm.gtt_mappable_end = mappable_end;
+        /* Take over this portion of the GTT */
+        intel_gtt_clear_range(start / PAGE_SIZE, (end-start) / PAGE_SIZE);
 }
 int
@@ -1857,7 +1861,7 @@ i915_gem_retire_requests_ring(struct drm_device *dev,
        seqno = ring->get_seqno(ring);
-        for (i = 0; i < I915_NUM_RINGS; i++)
+        for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++)
                if (seqno >= ring->sync_seqno[i])
                        ring->sync_seqno[i] = 0;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index dcfdf4151b6d..d2f445e825f2 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1175,7 +1175,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                goto err;
        seqno = i915_gem_next_request_seqno(dev, ring);
-        for (i = 0; i < I915_NUM_RINGS-1; i++) {
+        for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) {
                if (seqno < ring->sync_seqno[i]) {
                        /* The GPU can not handle its semaphore value wrapping,
                         * so every billion or so execbuffers, we need to stall
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 70433ae50ac8..b0abdc64aa9f 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -34,6 +34,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_i915_gem_object *obj;
+        /* First fill our portion of the GTT with scratch pages */
+        intel_gtt_clear_range(dev_priv->mm.gtt_start / PAGE_SIZE,
+                              (dev_priv->mm.gtt_end - dev_priv->mm.gtt_start) / PAGE_SIZE);
        list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
                i915_gem_clflush_object(obj);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b8e509ae065e..062f353497e6 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -274,24 +274,35 @@ int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe,
        return ret;
 }
-int i915_get_vblank_timestamp(struct drm_device *dev, int crtc,
+int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
                              int *max_error,
                              struct timeval *vblank_time,
                              unsigned flags)
 {
-        struct drm_crtc *drmcrtc;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        struct drm_crtc *crtc;
-        if (crtc < 0 || crtc >= dev->num_crtcs) {
+        if (pipe < 0 || pipe >= dev_priv->num_pipe) {
-                DRM_ERROR("Invalid crtc %d\n", crtc);
+                DRM_ERROR("Invalid crtc %d\n", pipe);
                return -EINVAL;
        }
        /* Get drm_crtc to timestamp: */
-        drmcrtc = intel_get_crtc_for_pipe(dev, crtc);
+        crtc = intel_get_crtc_for_pipe(dev, pipe);
+        if (crtc == NULL) {
+                DRM_ERROR("Invalid crtc %d\n", pipe);
+                return -EINVAL;
+        }
+        if (!crtc->enabled) {
+                DRM_DEBUG_KMS("crtc %d is disabled\n", pipe);
+                return -EBUSY;
+        }
        /* Helper routine in DRM core does all the work: */
-        return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
+        return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
-                                                     vblank_time, flags, drmcrtc);
+                                                     vblank_time, flags,
+                                                     crtc);
 }
 /*
@@ -348,8 +359,12 @@ static void notify_ring(struct drm_device *dev,
                        struct intel_ring_buffer *ring)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-        u32 seqno = ring->get_seqno(ring);
+        u32 seqno;
+        if (ring->obj == NULL)
+                return;
+        seqno = ring->get_seqno(ring);
        trace_i915_gem_request_complete(dev, seqno);
        ring->irq_seqno = seqno;
@@ -831,6 +846,8 @@ static void i915_capture_error_state(struct drm_device *dev)
                i++;
        error->pinned_bo_count = i - error->active_bo_count;
+        error->active_bo = NULL;
+        error->pinned_bo = NULL;
        if (i) {
                error->active_bo = kmalloc(sizeof(*error->active_bo)*i,
                                           GFP_ATOMIC);
@@ -1278,12 +1295,12 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
        if (master_priv->sarea_priv)
                master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
-        ret = -ENODEV;
        if (ring->irq_get(ring)) {
                DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ,
                            READ_BREADCRUMB(dev_priv) >= irq_nr);
                ring->irq_put(ring);
-        }
+        } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000))
+                ret = -EBUSY;
        if (ret == -EBUSY) {
                DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 40a407f41f61..5cfc68940f17 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -513,6 +513,10 @@
 #define   GEN6_BLITTER_SYNC_STATUS                      (1 << 24)
 #define   GEN6_BLITTER_USER_INTERRUPT                   (1 << 22)
+#define GEN6_BLITTER_ECOSKPD    0x221d0
+#define   GEN6_BLITTER_LOCK_SHIFT                       16
+#define   GEN6_BLITTER_FBC_NOTIFY                       (1<<3)
 #define GEN6_BSD_SLEEP_PSMI_CONTROL     0x12050
 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK       (1 << 16)
 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE           (1 << 0)
@@ -2626,6 +2630,8 @@
 #define DISPLAY_PORT_PLL_BIOS_2         0x46014
 #define PCH_DSPCLK_GATE_D       0x42020
+# define DPFCUNIT_CLOCK_GATE_DISABLE            (1 << 9)
+# define DPFCRUNIT_CLOCK_GATE_DISABLE           (1 << 8)
 # define DPFDUNIT_CLOCK_GATE_DISABLE            (1 << 7)
 # define DPARBUNIT_CLOCK_GATE_DISABLE           (1 << 5)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 98967f3b7724..d7f237deaaf0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1213,6 +1213,26 @@ static bool g4x_fbc_enabled(struct drm_device *dev)
        return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
 }
+static void sandybridge_blit_fbc_update(struct drm_device *dev)
+{
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        u32 blt_ecoskpd;
+        /* Make sure blitter notifies FBC of writes */
+        __gen6_force_wake_get(dev_priv);
+        blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
+        blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
+                GEN6_BLITTER_LOCK_SHIFT;
+        I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
+        blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY;
+        I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
+        blt_ecoskpd &= ~(GEN6_BLITTER_FBC_NOTIFY <<
+                         GEN6_BLITTER_LOCK_SHIFT);
+        I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
+        POSTING_READ(GEN6_BLITTER_ECOSKPD);
+        __gen6_force_wake_put(dev_priv);
+}
 static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 {
        struct drm_device *dev = crtc->dev;
@@ -1266,6 +1286,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
                I915_WRITE(SNB_DPFC_CTL_SA,
                           SNB_CPU_FENCE_ENABLE | dev_priv->cfb_fence);
                I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y);
+                sandybridge_blit_fbc_update(dev);
        }
        DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane);
@@ -6286,7 +6307,9 @@ void intel_enable_clock_gating(struct drm_device *dev)
                if (IS_GEN5(dev)) {
                        /* Required for FBC */
-                        dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE;
+                        dspclk_gate |= DPFCUNIT_CLOCK_GATE_DISABLE |
+                                DPFCRUNIT_CLOCK_GATE_DISABLE |
+                                DPFDUNIT_CLOCK_GATE_DISABLE;
                        /* Required for CxSR */
                        dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE;
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index f295a7aaadf9..64fd64443ca6 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -26,6 +26,7 @@
 */
 #include <linux/acpi.h>
+#include <linux/acpi_io.h>
 #include <acpi/video.h>
 #include "drmP.h"
@@ -476,7 +477,7 @@ int intel_opregion_setup(struct drm_device *dev)
                return -ENOTSUPP;
        }
-        base = ioremap(asls, OPREGION_SIZE);
+        base = acpi_os_ioremap(asls, OPREGION_SIZE);
        if (!base)
                return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index f6b9baa6a63d..6218fa97aa1e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -34,6 +34,14 @@
 #include "i915_trace.h"
 #include "intel_drv.h"
+static inline int ring_space(struct intel_ring_buffer *ring)
+{
+        int space = (ring->head & HEAD_ADDR) - (ring->tail + 8);
+        if (space < 0)
+                space += ring->size;
+        return space;
+}
 static u32 i915_gem_get_seqno(struct drm_device *dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
@@ -204,11 +212,9 @@ static int init_ring_common(struct intel_ring_buffer *ring)
        if (!drm_core_check_feature(ring->dev, DRIVER_MODESET))
                i915_kernel_lost_context(ring->dev);
        else {
-                ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
+                ring->head = I915_READ_HEAD(ring);
                ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
-                ring->space = ring->head - (ring->tail + 8);
+                ring->space = ring_space(ring);
-                if (ring->space < 0)
-                        ring->space += ring->size;
        }
        return 0;
@@ -921,32 +927,34 @@ static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)
        }
        ring->tail = 0;
-        ring->space = ring->head - 8;
+        ring->space = ring_space(ring);
        return 0;
 }
 int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
 {
-        int reread = 0;
        struct drm_device *dev = ring->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        unsigned long end;
        u32 head;
+        /* If the reported head position has wrapped or hasn't advanced,
+         * fallback to the slow and accurate path.
+         */
+        head = intel_read_status_page(ring, 4);
+        if (head > ring->head) {
+                ring->head = head;
+                ring->space = ring_space(ring);
+                if (ring->space >= n)
+                        return 0;
+        }
        trace_i915_ring_wait_begin (dev);
        end = jiffies + 3 * HZ;
        do {
-                /* If the reported head position has wrapped or hasn't advanced,
+                ring->head = I915_READ_HEAD(ring);
-                 * fallback to the slow and accurate path.
+                ring->space = ring_space(ring);
-                 */
-                head = intel_read_status_page(ring, 4);
-                if (reread)
-                        head = I915_READ_HEAD(ring);
-                ring->head = head & HEAD_ADDR;
-                ring->space = ring->head - (ring->tail + 8);
-                if (ring->space < 0)
-                        ring->space += ring->size;
                if (ring->space >= n) {
                        trace_i915_ring_wait_end(dev);
                        return 0;
@@ -961,7 +969,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
                msleep(1);
                if (atomic_read(&dev_priv->mm.wedged))
                        return -EAGAIN;
-                reread = 1;
        } while (!time_after(jiffies, end));
        trace_i915_ring_wait_end (dev);
        return -EBUSY;
@@ -1292,6 +1299,48 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
        return intel_init_ring_buffer(dev, ring);
 }
+int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
+{
+        drm_i915_private_t *dev_priv = dev->dev_private;
+        struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
+        *ring = render_ring;
+        if (INTEL_INFO(dev)->gen >= 6) {
+                ring->add_request = gen6_add_request;
+                ring->irq_get = gen6_render_ring_get_irq;
+                ring->irq_put = gen6_render_ring_put_irq;
+        } else if (IS_GEN5(dev)) {
+                ring->add_request = pc_render_add_request;
+                ring->get_seqno = pc_render_get_seqno;
+        }
+        ring->dev = dev;
+        INIT_LIST_HEAD(&ring->active_list);
+        INIT_LIST_HEAD(&ring->request_list);
+        INIT_LIST_HEAD(&ring->gpu_write_list);
+        ring->size = size;
+        ring->effective_size = ring->size;
+        if (IS_I830(ring->dev))
+                ring->effective_size -= 128;
+        ring->map.offset = start;
+        ring->map.size = size;
+        ring->map.type = 0;
+        ring->map.flags = 0;
+        ring->map.mtrr = 0;
+        drm_core_ioremap_wc(&ring->map, dev);
+        if (ring->map.handle == NULL) {
+                DRM_ERROR("can not ioremap virtual address for"
+                          " ring buffer\n");
+                return -ENOMEM;
+        }
+        ring->virtual_start = (void __force __iomem *)ring->map.handle;
+        return 0;
+}
 int intel_init_bsd_ring_buffer(struct drm_device *dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 5b0abfa881fc..6d6fde85a636 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -166,4 +166,7 @@ int intel_init_blt_ring_buffer(struct drm_device *dev);
 u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
 void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
+/* DRI warts */
+int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);
 #endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 13bb672a16f4..f658a04eecf9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -234,9 +234,9 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
                pci_set_power_state(pdev, PCI_D3hot);
        }
-        acquire_console_sem();
+        console_lock();
        nouveau_fbcon_set_suspend(dev, 1);
-        release_console_sem();
+        console_unlock();
        nouveau_fbcon_restore_accel(dev);
        return 0;
@@ -359,9 +359,9 @@ nouveau_pci_resume(struct pci_dev *pdev)
                nv_crtc->lut.depth = 0;
        }
-        acquire_console_sem();
+        console_lock();
        nouveau_fbcon_set_suspend(dev, 0);
-        release_console_sem();
+        console_unlock();
        nouveau_fbcon_zfill_all(dev);
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b0ab185b86f6..d3ca17080df7 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -606,14 +606,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
                                args.v1.ucTransmitterID = radeon_encoder->encoder_id;
                                args.v1.ucEncodeMode = encoder_mode;
-                                if (encoder_mode == ATOM_ENCODER_MODE_DP) {
+                                if (ss_enabled)
-                                        if (ss_enabled)
-                                                args.v1.ucConfig |=
-                                                        ADJUST_DISPLAY_CONFIG_SS_ENABLE;
-                                } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
                                        args.v1.ucConfig |=
                                                ADJUST_DISPLAY_CONFIG_SS_ENABLE;
-                                }
                                atom_execute_table(rdev->mode_info.atom_context,
                                                   index, (uint32_t *)&args);
@@ -624,12 +619,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
                                args.v3.sInput.ucEncodeMode = encoder_mode;
                                args.v3.sInput.ucDispPllConfig = 0;
+                                if (ss_enabled)
+                                        args.v3.sInput.ucDispPllConfig |=
+                                                DISPPLL_CONFIG_SS_ENABLE;
                                if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
                                        if (encoder_mode == ATOM_ENCODER_MODE_DP) {
-                                                if (ss_enabled)
-                                                        args.v3.sInput.ucDispPllConfig |=
-                                                                DISPPLL_CONFIG_SS_ENABLE;
                                                args.v3.sInput.ucDispPllConfig |=
                                                        DISPPLL_CONFIG_COHERENT_MODE;
                                                /* 16200 or 27000 */
@@ -649,18 +644,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                        }
                                } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
                                        if (encoder_mode == ATOM_ENCODER_MODE_DP) {
-                                                if (ss_enabled)
-                                                        args.v3.sInput.ucDispPllConfig |=
-                                                                DISPPLL_CONFIG_SS_ENABLE;
                                                args.v3.sInput.ucDispPllConfig |=
                                                        DISPPLL_CONFIG_COHERENT_MODE;
                                                /* 16200 or 27000 */
                                                args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
-                                        } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
+                                        } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) {
-                                                if (ss_enabled)
-                                                        args.v3.sInput.ucDispPllConfig |=
-                                                                DISPPLL_CONFIG_SS_ENABLE;
-                                        } else {
                                                if (mode->clock > 165000)
                                                        args.v3.sInput.ucDispPllConfig |=
                                                                DISPPLL_CONFIG_DUAL_LINK;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a8973acb3987..677af91b555c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2201,6 +2201,9 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
        struct evergreen_mc_save save;
        u32 grbm_reset = 0;
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                return 0;
        dev_info(rdev->dev, "GPU softreset \n");
        dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
                RREG32(GRBM_STATUS));
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 46da5142b131..5968dde243e9 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3522,7 +3522,7 @@ int r100_ring_test(struct radeon_device *rdev)
        if (i < rdev->usec_timeout) {
                DRM_INFO("ring test succeeded in %d usecs\n", i);
        } else {
-                DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
+                DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
                          scratch, tmp);
                r = -EINVAL;
        }
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index aca2236268fa..1e10e3e2ba2a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1287,6 +1287,9 @@ int r600_gpu_soft_reset(struct radeon_device *rdev)
                        S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
        u32 tmp;
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                return 0;
        dev_info(rdev->dev, "GPU softreset \n");
        dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
                RREG32(R_008010_GRBM_STATUS));
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1573202a6418..52777902bbcc 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -387,15 +387,11 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
                        *line_mux = 0x90;
        }
-        /* mac rv630 */
+        /* mac rv630, rv730, others */
-        if ((dev->pdev->device == 0x9588) &&
+        if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) &&
-            (dev->pdev->subsystem_vendor == 0x106b) &&
+            (*connector_type == DRM_MODE_CONNECTOR_DVII)) {
-            (dev->pdev->subsystem_device == 0x00a6)) {
+                *connector_type = DRM_MODE_CONNECTOR_9PinDIN;
-                if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) &&
+                *line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1;
-                    (*connector_type == DRM_MODE_CONNECTOR_DVII)) {
-                        *connector_type = DRM_MODE_CONNECTOR_9PinDIN;
-                        *line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1;
-                }
        }
        /* ASUS HD 3600 XT board lists the DVI port as HDMI */
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 26091d602b84..0d478932b1a9 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -891,9 +891,9 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
                pci_disable_device(dev->pdev);
                pci_set_power_state(dev->pdev, PCI_D3hot);
        }
-        acquire_console_sem();
+        console_lock();
        radeon_fbdev_set_suspend(rdev, 1);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -905,11 +905,11 @@ int radeon_resume_kms(struct drm_device *dev)
        if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
                return 0;
-        acquire_console_sem();
+        console_lock();
        pci_set_power_state(dev->pdev, PCI_D0);
        pci_restore_state(dev->pdev);
        if (pci_enable_device(dev->pdev)) {
-                release_console_sem();
+                console_unlock();
                return -1;
        }
        pci_set_master(dev->pdev);
@@ -920,7 +920,7 @@ int radeon_resume_kms(struct drm_device *dev)
        radeon_restore_bios_scratch_regs(rdev);
        radeon_fbdev_set_suspend(rdev, 0);
-        release_console_sem();
+        console_unlock();
        /* reset hpd state */
        radeon_hpd_init(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index d5680a0c87af..275b26a708d6 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -48,7 +48,7 @@
 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
 *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
- *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK
+ *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
 */
 #define KMS_DRIVER_MAJOR        2
 #define KMS_DRIVER_MINOR        8
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index a289646e8aa4..9ec830c77af0 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -110,11 +110,14 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 int radeon_irq_kms_init(struct radeon_device *rdev)
 {
+        int i;
        int r = 0;
        INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
        spin_lock_init(&rdev->irq.sw_lock);
+        for (i = 0; i < rdev->num_crtc; i++)
+                spin_lock_init(&rdev->irq.pflip_lock[i]);
        r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
        if (r) {
                return r;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 28a53e4a925f..98321298cffd 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -201,6 +201,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
                }
                radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value);
                break;
+        case RADEON_INFO_CLOCK_CRYSTAL_FREQ:
+                /* return clock value in KHz */
+                value = rdev->clock.spll.reference_freq * 10;
+                break;
        default:
                DRM_DEBUG_KMS("Invalid request %d\n", info->request);
                return -EINVAL;
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index c380c65da417..ace2b1623b21 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -636,7 +636,7 @@ int vga_client_register(struct pci_dev *pdev, void *cookie,
                        void (*irq_set_state)(void *cookie, bool state),
                        unsigned int (*set_vga_decode)(void *cookie, bool decode))
 {
-        int ret = -1;
+        int ret = -ENODEV;
        struct vga_device *vgadev;
        unsigned long flags;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 7acb32e7f817..1fa091e05690 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -263,7 +263,7 @@ static void __setup_broadcast_timer(void *arg)
        clockevents_notify(reason, &cpu);
 }
-static int __cpuinit setup_broadcast_cpuhp_notify(struct notifier_block *n,
+static int setup_broadcast_cpuhp_notify(struct notifier_block *n,
                unsigned long action, void *hcpu)
 {
        int hotcpu = (unsigned long)hcpu;
@@ -273,15 +273,11 @@ static int __cpuinit setup_broadcast_cpuhp_notify(struct notifier_block *n,
                smp_call_function_single(hotcpu, __setup_broadcast_timer,
                        (void *)true, 1);
                break;
-        case CPU_DOWN_PREPARE:
-                smp_call_function_single(hotcpu, __setup_broadcast_timer,
-                        (void *)false, 1);
-                break;
        }
        return NOTIFY_OK;
 }
-static struct notifier_block __cpuinitdata setup_broadcast_notifier = {
+static struct notifier_block setup_broadcast_notifier = {
        .notifier_call = setup_broadcast_cpuhp_notify,
 };
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 417507348bab..c7a92028f450 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -343,6 +343,16 @@ config KEYBOARD_NOMADIK
          To compile this driver as a module, choose M here: the
          module will be called nmk-ske-keypad.
+config KEYBOARD_TEGRA
+        tristate "NVIDIA Tegra internal matrix keyboard controller support"
+        depends on ARCH_TEGRA
+        help
+          Say Y here if you want to use a matrix keyboard connected directly
+          to the internal keyboard controller on Tegra SoCs.
+          To compile this driver as a module, choose M here: the
+          module will be called tegra-kbc.
 config KEYBOARD_OPENCORES
        tristate "OpenCores Keyboard Controller"
        help
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 4e5571b72cda..468c627a2844 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_KEYBOARD_STMPE)		+= stmpe-keypad.o
 obj-$(CONFIG_KEYBOARD_STOWAWAY)         += stowaway.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)           += sunkbd.o
 obj-$(CONFIG_KEYBOARD_TC3589X)          += tc3589x-keypad.o
+obj-$(CONFIG_KEYBOARD_TEGRA)            += tegra-kbc.o
 obj-$(CONFIG_KEYBOARD_TNETV107X)        += tnetv107x-keypad.o
 obj-$(CONFIG_KEYBOARD_TWL4030)          += twl4030_keypad.o
 obj-$(CONFIG_KEYBOARD_XTKBD)            += xtkbd.o
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 6069abe31e42..eb3006361ee4 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -322,7 +322,7 @@ static void gpio_keys_report_event(struct gpio_button_data *bdata)
        struct gpio_keys_button *button = bdata->button;
        struct input_dev *input = bdata->input;
        unsigned int type = button->type ?: EV_KEY;
-        int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low;
+        int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low;
        input_event(input, type, button->code, !!state);
        input_sync(input);
@@ -410,8 +410,8 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev,
        if (!button->can_disable)
                irqflags |= IRQF_SHARED;
-        error = request_irq(irq, gpio_keys_isr, irqflags, desc, bdata);
+        error = request_any_context_irq(irq, gpio_keys_isr, irqflags, desc, bdata);
-        if (error) {
+        if (error < 0) {
                dev_err(dev, "Unable to claim irq %d; error %d\n",
                        irq, error);
                goto fail3;
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
new file mode 100644
index 000000000000..939476659ad6
--- /dev/null
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -0,0 +1,727 @@
+/*
+ * Keyboard class input driver for the NVIDIA Tegra SoC internal matrix
+ * keyboard controller
+ *
+ * Copyright (c) 2009-2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <mach/clk.h>
+#include <mach/kbc.h>
+#define KBC_MAX_DEBOUNCE_CNT    0x3ffu
+/* KBC row scan time and delay for beginning the row scan. */
+#define KBC_ROW_SCAN_TIME       16
+#define KBC_ROW_SCAN_DLY        5
+/* KBC uses a 32KHz clock so a cycle = 1/32Khz */
+#define KBC_CYCLE_USEC  32
+/* KBC Registers */
+/* KBC Control Register */
+#define KBC_CONTROL_0   0x0
+#define KBC_FIFO_TH_CNT_SHIFT(cnt)      (cnt << 14)
+#define KBC_DEBOUNCE_CNT_SHIFT(cnt)     (cnt << 4)
+#define KBC_CONTROL_FIFO_CNT_INT_EN     (1 << 3)
+#define KBC_CONTROL_KBC_EN              (1 << 0)
+/* KBC Interrupt Register */
+#define KBC_INT_0       0x4
+#define KBC_INT_FIFO_CNT_INT_STATUS     (1 << 2)
+#define KBC_ROW_CFG0_0  0x8
+#define KBC_COL_CFG0_0  0x18
+#define KBC_INIT_DLY_0  0x28
+#define KBC_RPT_DLY_0   0x2c
+#define KBC_KP_ENT0_0   0x30
+#define KBC_KP_ENT1_0   0x34
+#define KBC_ROW0_MASK_0 0x38
+#define KBC_ROW_SHIFT   3
+struct tegra_kbc {
+        void __iomem *mmio;
+        struct input_dev *idev;
+        unsigned int irq;
+        unsigned int wake_enable_rows;
+        unsigned int wake_enable_cols;
+        spinlock_t lock;
+        unsigned int repoll_dly;
+        unsigned long cp_dly_jiffies;
+        const struct tegra_kbc_platform_data *pdata;
+        unsigned short keycode[KBC_MAX_KEY];
+        unsigned short current_keys[KBC_MAX_KPENT];
+        unsigned int num_pressed_keys;
+        struct timer_list timer;
+        struct clk *clk;
+};
+static const u32 tegra_kbc_default_keymap[] = {
+        KEY(0, 2, KEY_W),
+        KEY(0, 3, KEY_S),
+        KEY(0, 4, KEY_A),
+        KEY(0, 5, KEY_Z),
+        KEY(0, 7, KEY_FN),
+        KEY(1, 7, KEY_MENU),
+        KEY(2, 6, KEY_RIGHTALT),
+        KEY(2, 7, KEY_LEFTALT),
+        KEY(3, 0, KEY_5),
+        KEY(3, 1, KEY_4),
+        KEY(3, 2, KEY_R),
+        KEY(3, 3, KEY_E),
+        KEY(3, 4, KEY_F),
+        KEY(3, 5, KEY_D),
+        KEY(3, 6, KEY_X),
+        KEY(4, 0, KEY_7),
+        KEY(4, 1, KEY_6),
+        KEY(4, 2, KEY_T),
+        KEY(4, 3, KEY_H),
+        KEY(4, 4, KEY_G),
+        KEY(4, 5, KEY_V),
+        KEY(4, 6, KEY_C),
+        KEY(4, 7, KEY_SPACE),
+        KEY(5, 0, KEY_9),
+        KEY(5, 1, KEY_8),
+        KEY(5, 2, KEY_U),
+        KEY(5, 3, KEY_Y),
+        KEY(5, 4, KEY_J),
+        KEY(5, 5, KEY_N),
+        KEY(5, 6, KEY_B),
+        KEY(5, 7, KEY_BACKSLASH),
+        KEY(6, 0, KEY_MINUS),
+        KEY(6, 1, KEY_0),
+        KEY(6, 2, KEY_O),
+        KEY(6, 3, KEY_I),
+        KEY(6, 4, KEY_L),
+        KEY(6, 5, KEY_K),
+        KEY(6, 6, KEY_COMMA),
+        KEY(6, 7, KEY_M),
+        KEY(7, 1, KEY_EQUAL),
+        KEY(7, 2, KEY_RIGHTBRACE),
+        KEY(7, 3, KEY_ENTER),
+        KEY(7, 7, KEY_MENU),
+        KEY(8, 4, KEY_RIGHTSHIFT),
+        KEY(8, 5, KEY_LEFTSHIFT),
+        KEY(9, 5, KEY_RIGHTCTRL),
+        KEY(9, 7, KEY_LEFTCTRL),
+        KEY(11, 0, KEY_LEFTBRACE),
+        KEY(11, 1, KEY_P),
+        KEY(11, 2, KEY_APOSTROPHE),
+        KEY(11, 3, KEY_SEMICOLON),
+        KEY(11, 4, KEY_SLASH),
+        KEY(11, 5, KEY_DOT),
+        KEY(12, 0, KEY_F10),
+        KEY(12, 1, KEY_F9),
+        KEY(12, 2, KEY_BACKSPACE),
+        KEY(12, 3, KEY_3),
+        KEY(12, 4, KEY_2),
+        KEY(12, 5, KEY_UP),
+        KEY(12, 6, KEY_PRINT),
+        KEY(12, 7, KEY_PAUSE),
+        KEY(13, 0, KEY_INSERT),
+        KEY(13, 1, KEY_DELETE),
+        KEY(13, 3, KEY_PAGEUP),
+        KEY(13, 4, KEY_PAGEDOWN),
+        KEY(13, 5, KEY_RIGHT),
+        KEY(13, 6, KEY_DOWN),
+        KEY(13, 7, KEY_LEFT),
+        KEY(14, 0, KEY_F11),
+        KEY(14, 1, KEY_F12),
+        KEY(14, 2, KEY_F8),
+        KEY(14, 3, KEY_Q),
+        KEY(14, 4, KEY_F4),
+        KEY(14, 5, KEY_F3),
+        KEY(14, 6, KEY_1),
+        KEY(14, 7, KEY_F7),
+        KEY(15, 0, KEY_ESC),
+        KEY(15, 1, KEY_GRAVE),
+        KEY(15, 2, KEY_F5),
+        KEY(15, 3, KEY_TAB),
+        KEY(15, 4, KEY_F1),
+        KEY(15, 5, KEY_F2),
+        KEY(15, 6, KEY_CAPSLOCK),
+        KEY(15, 7, KEY_F6),
+};
+static const struct matrix_keymap_data tegra_kbc_default_keymap_data = {
+        .keymap         = tegra_kbc_default_keymap,
+        .keymap_size    = ARRAY_SIZE(tegra_kbc_default_keymap),
+};
+static void tegra_kbc_report_released_keys(struct input_dev *input,
+                                           unsigned short old_keycodes[],
+                                           unsigned int old_num_keys,
+                                           unsigned short new_keycodes[],
+                                           unsigned int new_num_keys)
+{
+        unsigned int i, j;
+        for (i = 0; i < old_num_keys; i++) {
+                for (j = 0; j < new_num_keys; j++)
+                        if (old_keycodes[i] == new_keycodes[j])
+                                break;
+                if (j == new_num_keys)
+                        input_report_key(input, old_keycodes[i], 0);
+        }
+}
+static void tegra_kbc_report_pressed_keys(struct input_dev *input,
+                                          unsigned char scancodes[],
+                                          unsigned short keycodes[],
+                                          unsigned int num_pressed_keys)
+{
+        unsigned int i;
+        for (i = 0; i < num_pressed_keys; i++) {
+                input_event(input, EV_MSC, MSC_SCAN, scancodes[i]);
+                input_report_key(input, keycodes[i], 1);
+        }
+}
+static void tegra_kbc_report_keys(struct tegra_kbc *kbc)
+{
+        unsigned char scancodes[KBC_MAX_KPENT];
+        unsigned short keycodes[KBC_MAX_KPENT];
+        u32 val = 0;
+        unsigned int i;
+        unsigned int num_down = 0;
+        unsigned long flags;
+        spin_lock_irqsave(&kbc->lock, flags);
+        for (i = 0; i < KBC_MAX_KPENT; i++) {
+                if ((i % 4) == 0)
+                        val = readl(kbc->mmio + KBC_KP_ENT0_0 + i);
+                if (val & 0x80) {
+                        unsigned int col = val & 0x07;
+                        unsigned int row = (val >> 3) & 0x0f;
+                        unsigned char scancode =
+                                MATRIX_SCAN_CODE(row, col, KBC_ROW_SHIFT);
+                        scancodes[num_down] = scancode;
+                        keycodes[num_down++] = kbc->keycode[scancode];
+                }
+                val >>= 8;
+        }
+        spin_unlock_irqrestore(&kbc->lock, flags);
+        tegra_kbc_report_released_keys(kbc->idev,
+                                       kbc->current_keys, kbc->num_pressed_keys,
+                                       keycodes, num_down);
+        tegra_kbc_report_pressed_keys(kbc->idev, scancodes, keycodes, num_down);
+        input_sync(kbc->idev);
+        memcpy(kbc->current_keys, keycodes, sizeof(kbc->current_keys));
+        kbc->num_pressed_keys = num_down;
+}
+static void tegra_kbc_keypress_timer(unsigned long data)
+{
+        struct tegra_kbc *kbc = (struct tegra_kbc *)data;
+        unsigned long flags;
+        u32 val;
+        unsigned int i;
+        val = (readl(kbc->mmio + KBC_INT_0) >> 4) & 0xf;
+        if (val) {
+                unsigned long dly;
+                tegra_kbc_report_keys(kbc);
+                /*
+                 * If more than one keys are pressed we need not wait
+                 * for the repoll delay.
+                 */
+                dly = (val == 1) ? kbc->repoll_dly : 1;
+                mod_timer(&kbc->timer, jiffies + msecs_to_jiffies(dly));
+        } else {
+                /* Release any pressed keys and exit the polling loop */
+                for (i = 0; i < kbc->num_pressed_keys; i++)
+                        input_report_key(kbc->idev, kbc->current_keys[i], 0);
+                input_sync(kbc->idev);
+                kbc->num_pressed_keys = 0;
+                /* All keys are released so enable the keypress interrupt */
+                spin_lock_irqsave(&kbc->lock, flags);
+                val = readl(kbc->mmio + KBC_CONTROL_0);
+                val |= KBC_CONTROL_FIFO_CNT_INT_EN;
+                writel(val, kbc->mmio + KBC_CONTROL_0);
+                spin_unlock_irqrestore(&kbc->lock, flags);
+        }
+}
+static irqreturn_t tegra_kbc_isr(int irq, void *args)
+{
+        struct tegra_kbc *kbc = args;
+        u32 val, ctl;
+        /*
+         * Until all keys are released, defer further processing to
+         * the polling loop in tegra_kbc_keypress_timer
+         */
+        ctl = readl(kbc->mmio + KBC_CONTROL_0);
+        ctl &= ~KBC_CONTROL_FIFO_CNT_INT_EN;
+        writel(ctl, kbc->mmio + KBC_CONTROL_0);
+        /*
+         * Quickly bail out & reenable interrupts if the fifo threshold
+         * count interrupt wasn't the interrupt source
+         */
+        val = readl(kbc->mmio + KBC_INT_0);
+        writel(val, kbc->mmio + KBC_INT_0);
+        if (val & KBC_INT_FIFO_CNT_INT_STATUS) {
+                /*
+                 * Schedule timer to run when hardware is in continuous
+                 * polling mode.
+                 */
+                mod_timer(&kbc->timer, jiffies + kbc->cp_dly_jiffies);
+        } else {
+                ctl |= KBC_CONTROL_FIFO_CNT_INT_EN;
+                writel(ctl, kbc->mmio + KBC_CONTROL_0);
+        }
+        return IRQ_HANDLED;
+}
+static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter)
+{
+        const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+        int i;
+        unsigned int rst_val;
+        BUG_ON(pdata->wake_cnt > KBC_MAX_KEY);
+        rst_val = (filter && pdata->wake_cnt) ? ~0 : 0;
+        for (i = 0; i < KBC_MAX_ROW; i++)
+                writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4);
+        if (filter) {
+                for (i = 0; i < pdata->wake_cnt; i++) {
+                        u32 val, addr;
+                        addr = pdata->wake_cfg[i].row * 4 + KBC_ROW0_MASK_0;
+                        val = readl(kbc->mmio + addr);
+                        val &= ~(1 << pdata->wake_cfg[i].col);
+                        writel(val, kbc->mmio + addr);
+                }
+        }
+}
+static void tegra_kbc_config_pins(struct tegra_kbc *kbc)
+{
+        const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+        int i;
+        for (i = 0; i < KBC_MAX_GPIO; i++) {
+                u32 r_shft = 5 * (i % 6);
+                u32 c_shft = 4 * (i % 8);
+                u32 r_mask = 0x1f << r_shift;
+                u32 c_mask = 0x0f << c_shift;
+                u32 r_offs = (i / 6) * 4 + KBC_ROW_CFG0_0;
+                u32 c_offs = (i / 8) * 4 + KBC_COL_CFG0_0;
+                u32 row_cfg = readl(kbc->mmio + r_offs);
+                u32 col_cfg = readl(kbc->mmio + c_offs);
+                row_cfg &= ~r_mask;
+                col_cfg &= ~c_mask;
+                if (pdata->pin_cfg[i].is_row)
+                        row_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << r_shft;
+                else
+                        col_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << c_shft;
+                writel(row_cfg, kbc->mmio + r_offs);
+                writel(col_cfg, kbc->mmio + c_offs);
+        }
+}
+static int tegra_kbc_start(struct tegra_kbc *kbc)
+{
+        const struct tegra_kbc_platform_data *pdata = kbc->pdata;
+        unsigned long flags;
+        unsigned int debounce_cnt;
+        u32 val = 0;
+        clk_enable(kbc->clk);
+        /* Reset the KBC controller to clear all previous status.*/
+        tegra_periph_reset_assert(kbc->clk);
+        udelay(100);
+        tegra_periph_reset_deassert(kbc->clk);
+        udelay(100);
+        tegra_kbc_config_pins(kbc);
+        tegra_kbc_setup_wakekeys(kbc, false);
+        writel(pdata->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0);
+        /* Keyboard debounce count is maximum of 12 bits. */
+        debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+        val = KBC_DEBOUNCE_CNT_SHIFT(debounce_cnt);
+        val |= KBC_FIFO_TH_CNT_SHIFT(1); /* set fifo interrupt threshold to 1 */
+        val |= KBC_CONTROL_FIFO_CNT_INT_EN;  /* interrupt on FIFO threshold */
+        val |= KBC_CONTROL_KBC_EN;     /* enable */
+        writel(val, kbc->mmio + KBC_CONTROL_0);
+        /*
+         * Compute the delay(ns) from interrupt mode to continuous polling
+         * mode so the timer routine is scheduled appropriately.
+         */
+        val = readl(kbc->mmio + KBC_INIT_DLY_0);
+        kbc->cp_dly_jiffies = usecs_to_jiffies((val & 0xfffff) * 32);
+        kbc->num_pressed_keys = 0;
+        /*
+         * Atomically clear out any remaining entries in the key FIFO
+         * and enable keyboard interrupts.
+         */
+        spin_lock_irqsave(&kbc->lock, flags);
+        while (1) {
+                val = readl(kbc->mmio + KBC_INT_0);
+                val >>= 4;
+                if (!val)
+                        break;
+                val = readl(kbc->mmio + KBC_KP_ENT0_0);
+                val = readl(kbc->mmio + KBC_KP_ENT1_0);
+        }
+        writel(0x7, kbc->mmio + KBC_INT_0);
+        spin_unlock_irqrestore(&kbc->lock, flags);
+        enable_irq(kbc->irq);
+        return 0;
+}
+static void tegra_kbc_stop(struct tegra_kbc *kbc)
+{
+        unsigned long flags;
+        u32 val;
+        spin_lock_irqsave(&kbc->lock, flags);
+        val = readl(kbc->mmio + KBC_CONTROL_0);
+        val &= ~1;
+        writel(val, kbc->mmio + KBC_CONTROL_0);
+        spin_unlock_irqrestore(&kbc->lock, flags);
+        disable_irq(kbc->irq);
+        del_timer_sync(&kbc->timer);
+        clk_disable(kbc->clk);
+}
+static int tegra_kbc_open(struct input_dev *dev)
+{
+        struct tegra_kbc *kbc = input_get_drvdata(dev);
+        return tegra_kbc_start(kbc);
+}
+static void tegra_kbc_close(struct input_dev *dev)
+{
+        struct tegra_kbc *kbc = input_get_drvdata(dev);
+        return tegra_kbc_stop(kbc);
+}
+static bool __devinit
+tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata,
+                        struct device *dev, unsigned int *num_rows)
+{
+        int i;
+        *num_rows = 0;
+        for (i = 0; i < KBC_MAX_GPIO; i++) {
+                const struct tegra_kbc_pin_cfg *pin_cfg = &pdata->pin_cfg[i];
+                if (pin_cfg->is_row) {
+                        if (pin_cfg->num >= KBC_MAX_ROW) {
+                                dev_err(dev,
+                                        "pin_cfg[%d]: invalid row number %d\n",
+                                        i, pin_cfg->num);
+                                return false;
+                        }
+                        (*num_rows)++;
+                } else {
+                        if (pin_cfg->num >= KBC_MAX_COL) {
+                                dev_err(dev,
+                                        "pin_cfg[%d]: invalid column number %d\n",
+                                        i, pin_cfg->num);
+                                return false;
+                        }
+                }
+        }
+        return true;
+}
+static int __devinit tegra_kbc_probe(struct platform_device *pdev)
+{
+        const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data;
+        const struct matrix_keymap_data *keymap_data;
+        struct tegra_kbc *kbc;
+        struct input_dev *input_dev;
+        struct resource *res;
+        int irq;
+        int err;
+        int i;
+        int num_rows = 0;
+        unsigned int debounce_cnt;
+        unsigned int scan_time_rows;
+        if (!pdata)
+                return -EINVAL;
+        if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows))
+                return -EINVAL;
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res) {
+                dev_err(&pdev->dev, "failed to get I/O memory\n");
+                return -ENXIO;
+        }
+        irq = platform_get_irq(pdev, 0);
+        if (irq < 0) {
+                dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
+                return -ENXIO;
+        }
+        kbc = kzalloc(sizeof(*kbc), GFP_KERNEL);
+        input_dev = input_allocate_device();
+        if (!kbc || !input_dev) {
+                err = -ENOMEM;
+                goto err_free_mem;
+        }
+        kbc->pdata = pdata;
+        kbc->idev = input_dev;
+        kbc->irq = irq;
+        spin_lock_init(&kbc->lock);
+        setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc);
+        res = request_mem_region(res->start, resource_size(res), pdev->name);
+        if (!res) {
+                dev_err(&pdev->dev, "failed to request I/O memory\n");
+                err = -EBUSY;
+                goto err_free_mem;
+        }
+        kbc->mmio = ioremap(res->start, resource_size(res));
+        if (!kbc->mmio) {
+                dev_err(&pdev->dev, "failed to remap I/O memory\n");
+                err = -ENXIO;
+                goto err_free_mem_region;
+        }
+        kbc->clk = clk_get(&pdev->dev, NULL);
+        if (IS_ERR(kbc->clk)) {
+                dev_err(&pdev->dev, "failed to get keyboard clock\n");
+                err = PTR_ERR(kbc->clk);
+                goto err_iounmap;
+        }
+        kbc->wake_enable_rows = 0;
+        kbc->wake_enable_cols = 0;
+        for (i = 0; i < pdata->wake_cnt; i++) {
+                kbc->wake_enable_rows |= (1 << pdata->wake_cfg[i].row);
+                kbc->wake_enable_cols |= (1 << pdata->wake_cfg[i].col);
+        }
+        /*
+         * The time delay between two consecutive reads of the FIFO is
+         * the sum of the repeat time and the time taken for scanning
+         * the rows. There is an additional delay before the row scanning
+         * starts. The repoll delay is computed in milliseconds.
+         */
+        debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+        scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows;
+        kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
+        kbc->repoll_dly = ((kbc->repoll_dly * KBC_CYCLE_USEC) + 999) / 1000;
+        input_dev->name = pdev->name;
+        input_dev->id.bustype = BUS_HOST;
+        input_dev->dev.parent = &pdev->dev;
+        input_dev->open = tegra_kbc_open;
+        input_dev->close = tegra_kbc_close;
+        input_set_drvdata(input_dev, kbc);
+        input_dev->evbit[0] = BIT_MASK(EV_KEY);
+        input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+        input_dev->keycode = kbc->keycode;
+        input_dev->keycodesize = sizeof(kbc->keycode[0]);
+        input_dev->keycodemax = ARRAY_SIZE(kbc->keycode);
+        keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
+        matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
+                                   input_dev->keycode, input_dev->keybit);
+        err = request_irq(kbc->irq, tegra_kbc_isr, IRQF_TRIGGER_HIGH,
+                          pdev->name, kbc);
+        if (err) {
+                dev_err(&pdev->dev, "failed to request keyboard IRQ\n");
+                goto err_put_clk;
+        }
+        disable_irq(kbc->irq);
+        err = input_register_device(kbc->idev);
+        if (err) {
+                dev_err(&pdev->dev, "failed to register input device\n");
+                goto err_free_irq;
+        }
+        platform_set_drvdata(pdev, kbc);
+        device_init_wakeup(&pdev->dev, pdata->wakeup);
+        return 0;
+err_free_irq:
+        free_irq(kbc->irq, pdev);
+err_put_clk:
+        clk_put(kbc->clk);
+err_iounmap:
+        iounmap(kbc->mmio);
+err_free_mem_region:
+        release_mem_region(res->start, resource_size(res));
+err_free_mem:
+        input_free_device(kbc->idev);
+        kfree(kbc);
+        return err;
+}
+static int __devexit tegra_kbc_remove(struct platform_device *pdev)
+{
+        struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+        struct resource *res;
+        free_irq(kbc->irq, pdev);
+        clk_put(kbc->clk);
+        input_unregister_device(kbc->idev);
+        iounmap(kbc->mmio);
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        release_mem_region(res->start, resource_size(res));
+        kfree(kbc);
+        platform_set_drvdata(pdev, NULL);
+        return 0;
+}
+#ifdef CONFIG_PM_SLEEP
+static int tegra_kbc_suspend(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+        if (device_may_wakeup(&pdev->dev)) {
+                tegra_kbc_setup_wakekeys(kbc, true);
+                enable_irq_wake(kbc->irq);
+                /* Forcefully clear the interrupt status */
+                writel(0x7, kbc->mmio + KBC_INT_0);
+                msleep(30);
+        } else {
+                mutex_lock(&kbc->idev->mutex);
+                if (kbc->idev->users)
+                        tegra_kbc_stop(kbc);
+                mutex_unlock(&kbc->idev->mutex);
+        }
+        return 0;
+}
+static int tegra_kbc_resume(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+        int err = 0;
+        if (device_may_wakeup(&pdev->dev)) {
+                disable_irq_wake(kbc->irq);
+                tegra_kbc_setup_wakekeys(kbc, false);
+        } else {
+                mutex_lock(&kbc->idev->mutex);
+                if (kbc->idev->users)
+                        err = tegra_kbc_start(kbc);
+                mutex_unlock(&kbc->idev->mutex);
+        }
+        return err;
+}
+#endif
+static SIMPLE_DEV_PM_OPS(tegra_kbc_pm_ops, tegra_kbc_suspend, tegra_kbc_resume);
+static struct platform_driver tegra_kbc_driver = {
+        .probe          = tegra_kbc_probe,
+        .remove         = __devexit_p(tegra_kbc_remove),
+        .driver = {
+                .name   = "tegra-kbc",
+                .owner  = THIS_MODULE,
+                .pm     = &tegra_kbc_pm_ops,
+        },
+};
+static void __exit tegra_kbc_exit(void)
+{
+        platform_driver_unregister(&tegra_kbc_driver);
+}
+module_exit(tegra_kbc_exit);
+static int __init tegra_kbc_init(void)
+{
+        return platform_driver_register(&tegra_kbc_driver);
+}
+module_init(tegra_kbc_init);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Rakesh Iyer <riyer@nvidia.com>");
+MODULE_DESCRIPTION("Tegra matrix keyboard controller driver");
+MODULE_ALIAS("platform:tegra-kbc");
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
index b4a81ebfab92..c8f097a15d89 100644
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -14,6 +14,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
@@ -219,9 +220,9 @@ static int __devinit keypad_probe(struct platform_device *pdev)
        }
        kp->clk = clk_get(dev, NULL);
-        if (!kp->clk) {
+        if (IS_ERR(kp->clk)) {
                dev_err(dev, "cannot claim device clock\n");
-                error = -EINVAL;
+                error = PTR_ERR(kp->clk);
                goto error_clk;
        }
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 448c7724beb9..852816567241 100644
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -111,9 +111,11 @@ static void ct82c710_close(struct serio *serio)
 static int ct82c710_open(struct serio *serio)
 {
        unsigned char status;
+        int err;
-        if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL))
+        err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL);
-                return -1;
+        if (err)
+                return err;
        status = inb_p(CT82C710_STATUS);
@@ -131,7 +133,7 @@ static int ct82c710_open(struct serio *serio)
                status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON);
                outb_p(status, CT82C710_STATUS);
                free_irq(CT82C710_IRQ, NULL);
-                return -1;
+                return -EBUSY;
        }
        return 0;
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 6e362de3f412..8755f5f3ad37 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -116,14 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty)
 /*
 * serport_ldisc_receive() is called by the low level tty driver when characters
- * are ready for us. We forward the characters, one by one to the 'interrupt'
+ * are ready for us. We forward the characters and flags, one by one to the
- * routine.
+ * 'interrupt' routine.
 */
 static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count)
 {
        struct serport *serport = (struct serport*) tty->disc_data;
        unsigned long flags;
+        unsigned int ch_flags;
        int i;
        spin_lock_irqsave(&serport->lock, flags);
@@ -131,8 +132,23 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c
        if (!test_bit(SERPORT_ACTIVE, &serport->flags))
                goto out;
-        for (i = 0; i < count; i++)
+        for (i = 0; i < count; i++) {
-                serio_interrupt(serport->serio, cp[i], 0);
+                switch (fp[i]) {
+                case TTY_FRAME:
+                        ch_flags = SERIO_FRAME;
+                        break;
+                case TTY_PARITY:
+                        ch_flags = SERIO_PARITY;
+                        break;
+                default:
+                        ch_flags = 0;
+                        break;
+                }
+                serio_interrupt(serport->serio, cp[i], ch_flags);
+        }
 out:
        spin_unlock_irqrestore(&serport->lock, flags);
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index a29a7812bd46..7729e547ba65 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -201,6 +201,7 @@ int sparse_keymap_setup(struct input_dev *dev,
                        break;
                case KE_SW:
+                case KE_VSW:
                        __set_bit(EV_SW, dev->evbit);
                        __set_bit(entry->sw.code, dev->swbit);
                        break;
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 518782999fea..367fa82a607e 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1101,6 +1101,13 @@ void wacom_setup_device_quirks(struct wacom_features *features)
        }
 }
+static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
+                                              unsigned int physical_max)
+{
+       /* Touch physical dimensions are in 100th of mm */
+       return (logical_max * 100) / physical_max;
+}
 void wacom_setup_input_capabilities(struct input_dev *input_dev,
                                    struct wacom_wac *wacom_wac)
 {
@@ -1228,8 +1235,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
        case TABLETPC:
                if (features->device_type == BTN_TOOL_DOUBLETAP ||
                    features->device_type == BTN_TOOL_TRIPLETAP) {
-                        input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
+                        input_abs_set_res(input_dev, ABS_X,
-                        input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
+                                wacom_calculate_touch_res(features->x_max,
+                                                        features->x_phy));
+                        input_abs_set_res(input_dev, ABS_Y,
+                                wacom_calculate_touch_res(features->y_max,
+                                                        features->y_phy));
                        __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
                }
@@ -1272,6 +1283,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
                        input_set_abs_params(input_dev, ABS_MT_PRESSURE,
                                             0, features->pressure_max,
                                             features->pressure_fuzz, 0);
+                        input_abs_set_res(input_dev, ABS_X,
+                                wacom_calculate_touch_res(features->x_max,
+                                                        features->x_phy));
+                        input_abs_set_res(input_dev, ABS_Y,
+                                wacom_calculate_touch_res(features->y_max,
+                                                        features->y_phy));
                } else if (features->device_type == BTN_TOOL_PEN) {
                        __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                        __set_bit(BTN_TOOL_PEN, input_dev->keybit);
@@ -1426,6 +1443,10 @@ static struct wacom_features wacom_features_0xD3 =
        { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13530, 1023, 63, BAMBOO_PT };
 static const struct wacom_features wacom_features_0xD4 =
        { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200,  255, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xD6 =
+        { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xD7 =
+        { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023, 63, BAMBOO_PT };
 static struct wacom_features wacom_features_0xD8 =
        { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13530, 1023, 63, BAMBOO_PT };
 static struct wacom_features wacom_features_0xDA =
@@ -1507,6 +1528,8 @@ const struct usb_device_id wacom_ids[] = {
        { USB_DEVICE_WACOM(0xD2) },
        { USB_DEVICE_WACOM(0xD3) },
        { USB_DEVICE_WACOM(0xD4) },
+        { USB_DEVICE_WACOM(0xD6) },
+        { USB_DEVICE_WACOM(0xD7) },
        { USB_DEVICE_WACOM(0xD8) },
        { USB_DEVICE_WACOM(0xDA) },
        { USB_DEVICE_WACOM(0xDB) },
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index f7fa9ef4cd65..1507ce108d5b 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -12,6 +12,7 @@
 #include <linux/input.h>
 #include <linux/input/bu21013.h>
 #include <linux/slab.h>
+#include <linux/regulator/consumer.h>
 #define PEN_DOWN_INTR   0
 #define MAX_FINGERS     2
@@ -139,6 +140,7 @@
 * @chip: pointer to the touch panel controller
 * @in_dev: pointer to the input device structure
 * @intr_pin: interrupt pin value
+ * @regulator: pointer to the Regulator used for touch screen
 *
 * Touch panel device data structure
 */
@@ -149,6 +151,7 @@ struct bu21013_ts_data {
        const struct bu21013_platform_device *chip;
        struct input_dev *in_dev;
        unsigned int intr_pin;
+        struct regulator *regulator;
 };
 /**
@@ -456,6 +459,20 @@ static int __devinit bu21013_probe(struct i2c_client *client,
        bu21013_data->in_dev = in_dev;
        bu21013_data->chip = pdata;
        bu21013_data->client = client;
+        bu21013_data->regulator = regulator_get(&client->dev, "V-TOUCH");
+        if (IS_ERR(bu21013_data->regulator)) {
+                dev_err(&client->dev, "regulator_get failed\n");
+                error = PTR_ERR(bu21013_data->regulator);
+                goto err_free_mem;
+        }
+        error = regulator_enable(bu21013_data->regulator);
+        if (error < 0) {
+                dev_err(&client->dev, "regulator enable failed\n");
+                goto err_put_regulator;
+        }
        bu21013_data->touch_stopped = false;
        init_waitqueue_head(&bu21013_data->wait);
@@ -464,7 +481,7 @@ static int __devinit bu21013_probe(struct i2c_client *client,
                error = pdata->cs_en(pdata->cs_pin);
                if (error < 0) {
                        dev_err(&client->dev, "chip init failed\n");
-                        goto err_free_mem;
+                        goto err_disable_regulator;
                }
        }
@@ -485,9 +502,9 @@ static int __devinit bu21013_probe(struct i2c_client *client,
        __set_bit(EV_ABS, in_dev->evbit);
        input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0,
-                                                pdata->x_max_res, 0, 0);
+                                                pdata->touch_x_max, 0, 0);
        input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0,
-                                                pdata->y_max_res, 0, 0);
+                                                pdata->touch_y_max, 0, 0);
        input_set_drvdata(in_dev, bu21013_data);
        error = request_threaded_irq(pdata->irq, NULL, bu21013_gpio_irq,
@@ -513,6 +530,10 @@ err_free_irq:
        bu21013_free_irq(bu21013_data);
 err_cs_disable:
        pdata->cs_dis(pdata->cs_pin);
+err_disable_regulator:
+        regulator_disable(bu21013_data->regulator);
+err_put_regulator:
+        regulator_put(bu21013_data->regulator);
 err_free_mem:
        input_free_device(in_dev);
        kfree(bu21013_data);
@@ -535,6 +556,10 @@ static int __devexit bu21013_remove(struct i2c_client *client)
        bu21013_data->chip->cs_dis(bu21013_data->chip->cs_pin);
        input_unregister_device(bu21013_data->in_dev);
+        regulator_disable(bu21013_data->regulator);
+        regulator_put(bu21013_data->regulator);
        kfree(bu21013_data);
        device_init_wakeup(&client->dev, false);
@@ -561,6 +586,8 @@ static int bu21013_suspend(struct device *dev)
        else
                disable_irq(bu21013_data->chip->irq);
+        regulator_disable(bu21013_data->regulator);
        return 0;
 }
@@ -577,6 +604,12 @@ static int bu21013_resume(struct device *dev)
        struct i2c_client *client = bu21013_data->client;
        int retval;
+        retval = regulator_enable(bu21013_data->regulator);
+        if (retval < 0) {
+                dev_err(&client->dev, "bu21013 regulator enable failed\n");
+                return retval;
+        }
        retval = bu21013_init_chip(bu21013_data);
        if (retval < 0) {
                dev_err(&client->dev, "bu21013 controller config failed\n");
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
index cf1dba2e267c..22a3411e93c5 100644
--- a/drivers/input/touchscreen/tnetv107x-ts.c
+++ b/drivers/input/touchscreen/tnetv107x-ts.c
@@ -14,6 +14,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
@@ -289,9 +290,9 @@ static int __devinit tsc_probe(struct platform_device *pdev)
        }
        ts->clk = clk_get(dev, NULL);
-        if (!ts->clk) {
+        if (IS_ERR(ts->clk)) {
                dev_err(dev, "cannot claim device clock\n");
-                error = -EINVAL;
+                error = PTR_ERR(ts->clk);
                goto error_clk;
        }
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index da3fa8dcdf5b..666daf77872e 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -69,6 +69,7 @@ static int led_pwm_probe(struct platform_device *pdev)
                led_dat->pwm = pwm_request(cur_led->pwm_id,
                                cur_led->name);
                if (IS_ERR(led_dat->pwm)) {
+                        ret = PTR_ERR(led_dat->pwm);
                        dev_err(&pdev->dev, "unable to request PWM %d\n",
                                        cur_led->pwm_id);
                        goto err;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 563022825667..2de12fe155da 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -46,10 +46,6 @@ static unsigned int fmax = 515633;
 *            is asserted (likewise for RX)
 * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY
 *                is asserted (likewise for RX)
- * @broken_blockend: the MCI_DATABLOCKEND is broken on the hardware
- *              and will not work at all.
- * @broken_blockend_dma: the MCI_DATABLOCKEND is broken on the hardware when
- *              using DMA.
 * @sdio: variant supports SDIO
 * @st_clkdiv: true if using a ST-specific clock divider algorithm
 */
@@ -59,8 +55,6 @@ struct variant_data {
        unsigned int            datalength_bits;
        unsigned int            fifosize;
        unsigned int            fifohalfsize;
-        bool                    broken_blockend;
-        bool                    broken_blockend_dma;
        bool                    sdio;
        bool                    st_clkdiv;
 };
@@ -76,7 +70,6 @@ static struct variant_data variant_u300 = {
        .fifohalfsize           = 8 * 4,
        .clkreg_enable          = 1 << 13, /* HWFCEN */
        .datalength_bits        = 16,
-        .broken_blockend_dma    = true,
        .sdio                   = true,
 };
@@ -86,7 +79,6 @@ static struct variant_data variant_ux500 = {
        .clkreg                 = MCI_CLK_ENABLE,
        .clkreg_enable          = 1 << 14, /* HWFCEN */
        .datalength_bits        = 24,
-        .broken_blockend        = true,
        .sdio                   = true,
        .st_clkdiv              = true,
 };
@@ -210,8 +202,6 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
        host->data = data;
        host->size = data->blksz * data->blocks;
        host->data_xfered = 0;
-        host->blockend = false;
-        host->dataend = false;
        mmci_init_sg(host, data);
@@ -288,21 +278,26 @@ static void
 mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
              unsigned int status)
 {
-        struct variant_data *variant = host->variant;
        /* First check for errors */
        if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+                u32 remain, success;
+                /* Calculate how far we are into the transfer */
+                remain = readl(host->base + MMCIDATACNT) << 2;
+                success = data->blksz * data->blocks - remain;
                dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ (status %08x)\n", status);
-                if (status & MCI_DATACRCFAIL)
+                if (status & MCI_DATACRCFAIL) {
+                        /* Last block was not successful */
+                        host->data_xfered = ((success / data->blksz) - 1 * data->blksz);
                        data->error = -EILSEQ;
-                else if (status & MCI_DATATIMEOUT)
+                } else if (status & MCI_DATATIMEOUT) {
+                        host->data_xfered = success;
                        data->error = -ETIMEDOUT;
-                else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN))
+                } else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+                        host->data_xfered = success;
                        data->error = -EIO;
+                }
-                /* Force-complete the transaction */
-                host->blockend = true;
-                host->dataend = true;
                /*
                 * We hit an error condition.  Ensure that any data
@@ -321,61 +316,14 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
                }
        }
-        /*
+        if (status & MCI_DATABLOCKEND)
-         * On ARM variants in PIO mode, MCI_DATABLOCKEND
+                dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n");
-         * is always sent first, and we increase the
-         * transfered number of bytes for that IRQ. Then
-         * MCI_DATAEND follows and we conclude the transaction.
-         *
-         * On the Ux500 single-IRQ variant MCI_DATABLOCKEND
-         * doesn't seem to immediately clear from the status,
-         * so we can't use it keep count when only one irq is
-         * used because the irq will hit for other reasons, and
-         * then the flag is still up. So we use the MCI_DATAEND
-         * IRQ at the end of the entire transfer because
-         * MCI_DATABLOCKEND is broken.
-         *
-         * In the U300, the IRQs can arrive out-of-order,
-         * e.g. MCI_DATABLOCKEND sometimes arrives after MCI_DATAEND,
-         * so for this case we use the flags "blockend" and
-         * "dataend" to make sure both IRQs have arrived before
-         * concluding the transaction. (This does not apply
-         * to the Ux500 which doesn't fire MCI_DATABLOCKEND
-         * at all.) In DMA mode it suffers from the same problem
-         * as the Ux500.
-         */
-        if (status & MCI_DATABLOCKEND) {
-                /*
-                 * Just being a little over-cautious, we do not
-                 * use this progressive update if the hardware blockend
-                 * flag is unreliable: since it can stay high between
-                 * IRQs it will corrupt the transfer counter.
-                 */
-                if (!variant->broken_blockend)
-                        host->data_xfered += data->blksz;
-                host->blockend = true;
-        }
-        if (status & MCI_DATAEND)
-                host->dataend = true;
-        /*
+        if (status & MCI_DATAEND) {
-         * On variants with broken blockend we shall only wait for dataend,
-         * on others we must sync with the blockend signal since they can
-         * appear out-of-order.
-         */
-        if (host->dataend && (host->blockend || variant->broken_blockend)) {
                mmci_stop_data(host);
-                /* Reset these flags */
+                if (!data->error)
-                host->blockend = false;
+                        /* The error clause is handled above, success! */
-                host->dataend = false;
-                /*
-                 * Variants with broken blockend flags need to handle the
-                 * end of the entire transfer here.
-                 */
-                if (variant->broken_blockend && !data->error)
                        host->data_xfered += data->blksz * data->blocks;
                if (!data->stop) {
@@ -770,7 +718,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
        struct variant_data *variant = id->data;
        struct mmci_host *host;
        struct mmc_host *mmc;
-        unsigned int mask;
        int ret;
        /* must have platform data */
@@ -951,12 +898,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
                        goto irq0_free;
        }
-        mask = MCI_IRQENABLE;
+        writel(MCI_IRQENABLE, host->base + MMCIMASK0);
-        /* Don't use the datablockend flag if it's broken */
-        if (variant->broken_blockend)
-                mask &= ~MCI_DATABLOCKEND;
-        writel(mask, host->base + MMCIMASK0);
        amba_set_drvdata(dev, mmc);
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index df06f01aac89..c1df7b82d36c 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -137,7 +137,7 @@
 #define MCI_IRQENABLE   \
        (MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK|     \
        MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK|       \
-        MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
+        MCI_CMDRESPENDMASK|MCI_CMDSENTMASK)
 /* These interrupts are directed to IRQ1 when two IRQ lines are available */
 #define MCI_IRQ1MASK \
@@ -177,9 +177,6 @@ struct mmci_host {
        struct timer_list       timer;
        unsigned int            oldstat;
-        bool                    blockend;
-        bool                    dataend;
        /* pio stuff */
        struct sg_mapping_iter  sg_miter;
        unsigned int            size;
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 5decfd0bd61d..153ab977a013 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -383,14 +383,30 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
        host->curr.user_pages = 0;
        box = &nc->cmd[0];
-        for (i = 0; i < host->dma.num_ents; i++) {
-                box->cmd = CMD_MODE_BOX;
-        /* Initialize sg dma address */
+        /* location of command block must be 64 bit aligned */
-        sg->dma_address = page_to_dma(mmc_dev(host->mmc), sg_page(sg))
+        BUG_ON(host->dma.cmd_busaddr & 0x07);
-                                + sg->offset;
-        if (i == (host->dma.num_ents - 1))
+        nc->cmdptr = (host->dma.cmd_busaddr >> 3) | CMD_PTR_LP;
+        host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST |
+                               DMOV_CMD_ADDR(host->dma.cmdptr_busaddr);
+        host->dma.hdr.complete_func = msmsdcc_dma_complete_func;
+        n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg,
+                        host->dma.num_ents, host->dma.dir);
+        if (n == 0) {
+                printk(KERN_ERR "%s: Unable to map in all sg elements\n",
+                        mmc_hostname(host->mmc));
+                host->dma.sg = NULL;
+                host->dma.num_ents = 0;
+                return -ENOMEM;
+        }
+        for_each_sg(host->dma.sg, sg, n, i) {
+                box->cmd = CMD_MODE_BOX;
+                if (i == n - 1)
                        box->cmd |= CMD_LC;
                rows = (sg_dma_len(sg) % MCI_FIFOSIZE) ?
                        (sg_dma_len(sg) / MCI_FIFOSIZE) + 1 :
@@ -418,27 +434,6 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
                        box->cmd |= CMD_DST_CRCI(crci);
                }
                box++;
-                sg++;
-        }
-        /* location of command block must be 64 bit aligned */
-        BUG_ON(host->dma.cmd_busaddr & 0x07);
-        nc->cmdptr = (host->dma.cmd_busaddr >> 3) | CMD_PTR_LP;
-        host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST |
-                               DMOV_CMD_ADDR(host->dma.cmdptr_busaddr);
-        host->dma.hdr.complete_func = msmsdcc_dma_complete_func;
-        n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg,
-                        host->dma.num_ents, host->dma.dir);
-/* dsb inside dma_map_sg will write nc out to mem as well */
-        if (n != host->dma.num_ents) {
-                printk(KERN_ERR "%s: Unable to map in all sg elements\n",
-                        mmc_hostname(host->mmc));
-                host->dma.sg = NULL;
-                host->dma.num_ents = 0;
-                return -ENOMEM;
        }
        return 0;
@@ -1331,9 +1326,6 @@ msmsdcc_probe(struct platform_device *pdev)
        if (host->timer.function)
                pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
-#if BUSCLK_PWRSAVE
-        msmsdcc_disable_clocks(host, 1);
-#endif
        return 0;
 cmd_irq_free:
        free_irq(cmd_irqres->start, host);
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 62d6f88cbab5..aa07657744c3 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -1644,7 +1644,7 @@ ks8695_cleanup(void)
 module_init(ks8695_init);
 module_exit(ks8695_cleanup);
-MODULE_AUTHOR("Simtec Electronics")
+MODULE_AUTHOR("Simtec Electronics");
 MODULE_DESCRIPTION("Micrel KS8695 (Centaur) Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" MODULENAME);
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index a2d9d1e59260..a848e02e6be3 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -678,7 +678,7 @@ void parport_unregister_device(struct pardevice *dev)
        /* Make sure we haven't left any pointers around in the wait
         * list. */
-        spin_lock (&port->waitlist_lock);
+        spin_lock_irq(&port->waitlist_lock);
        if (dev->waitprev || dev->waitnext || port->waithead == dev) {
                if (dev->waitprev)
                        dev->waitprev->waitnext = dev->waitnext;
@@ -689,7 +689,7 @@ void parport_unregister_device(struct pardevice *dev)
                else
                        port->waittail = dev->waitprev;
        }
-        spin_unlock (&port->waitlist_lock);
+        spin_unlock_irq(&port->waitlist_lock);
        kfree(dev->state);
        kfree(dev);
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 1752ef006d26..f374c5961b32 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -161,7 +161,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
 {
        int i, nc, bytes, d;
        u32 offset = 0;
-        u32 err = 0;
+        int err;
        u8 cbuf[IPC_WWBUF_SIZE] = { };
        u32 *wbuf = (u32 *)&cbuf;
@@ -404,7 +404,7 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register);
 */
 int intel_scu_ipc_simple_command(int cmd, int sub)
 {
-        u32 err = 0;
+        int err;
        mutex_lock(&ipclock);
        if (ipcdev.pdev == NULL) {
@@ -434,8 +434,7 @@ EXPORT_SYMBOL(intel_scu_ipc_simple_command);
 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
                                                        u32 *out, int outlen)
 {
-        u32 err = 0;
+        int i, err;
-        int i = 0;
        mutex_lock(&ipclock);
        if (ipcdev.pdev == NULL) {
diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c
index ba3231d0819e..b93a03259c16 100644
--- a/drivers/platform/x86/intel_scu_ipcutil.c
+++ b/drivers/platform/x86/intel_scu_ipcutil.c
@@ -128,6 +128,6 @@ static void __exit ipc_module_exit(void)
 module_init(ipc_module_init);
 module_exit(ipc_module_exit);
-MODULE_LICENSE("GPL V2");
+MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Utility driver for intel scu ipc");
 MODULE_AUTHOR("Sreedhara <sreedhara.ds@intel.com>");
diff --git a/drivers/pps/clients/pps-ktimer.c b/drivers/pps/clients/pps-ktimer.c
index 2728469d3884..82583b0ff82d 100644
--- a/drivers/pps/clients/pps-ktimer.c
+++ b/drivers/pps/clients/pps-ktimer.c
@@ -46,8 +46,6 @@ static void pps_ktimer_event(unsigned long ptr)
        /* First of all we get the time stamp... */
        pps_get_ts(&ts);
-        dev_info(pps->dev, "PPS event at %lu\n", jiffies);
        pps_event(pps, &ts, PPS_CAPTUREASSERT, NULL);
        mod_timer(&ktimer, jiffies + HZ);
diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c
index 32221efd9ca9..c571d6dd8f61 100644
--- a/drivers/pps/clients/pps_parport.c
+++ b/drivers/pps/clients/pps_parport.c
@@ -163,7 +163,7 @@ static void parport_attach(struct parport *port)
        }
        device->pardev = parport_register_device(port, KBUILD_MODNAME,
-                        NULL, NULL, parport_irq, 0, device);
+                        NULL, NULL, parport_irq, PARPORT_FLAG_EXCL, device);
        if (!device->pardev) {
                pr_err("couldn't register with %s\n", port->name);
                goto err_free;
diff --git a/drivers/pps/generators/pps_gen_parport.c b/drivers/pps/generators/pps_gen_parport.c
index 5c32f8dacf56..b93af3ebb5ba 100644
--- a/drivers/pps/generators/pps_gen_parport.c
+++ b/drivers/pps/generators/pps_gen_parport.c
@@ -198,7 +198,7 @@ static void parport_attach(struct parport *port)
        }
        device.pardev = parport_register_device(port, KBUILD_MODNAME,
-                        NULL, NULL, NULL, 0, &device);
+                        NULL, NULL, NULL, PARPORT_FLAG_EXCL, &device);
        if (!device.pardev) {
                pr_err("couldn't register with %s\n", port->name);
                return;
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 467e82bd0929..a50391b6ba2a 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -943,6 +943,8 @@ static int rio_enum_complete(struct rio_mport *port)
 * @port: Master port to send transactions
 * @destid: Current destination ID in network
 * @hopcount: Number of hops into the network
+ * @prev: previous rio_dev
+ * @prev_port: previous port number
 *
 * Recursively discovers a RIO network.  Transactions are sent via the
 * master port passed in @port.
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 4941cade319f..cdd97192dc69 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -97,18 +97,6 @@ config RTC_INTF_DEV
          If unsure, say Y.
-config RTC_INTF_DEV_UIE_EMUL
-        bool "RTC UIE emulation on dev interface"
-        depends on RTC_INTF_DEV
-        help
-          Provides an emulation for RTC_UIE if the underlying rtc chip
-          driver does not expose RTC_UIE ioctls. Those requests generate
-          once-per-second update interrupts, used for synchronization.
-          The emulation code will read the time from the hardware
-          clock several times per second, please enable this option
-          only if you know that you really need it.
 config RTC_DRV_TEST
        tristate "Test driver/device"
        help
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 90384b9f6b2c..925006d33109 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -16,6 +16,9 @@
 #include <linux/log2.h>
 #include <linux/workqueue.h>
+static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer);
+static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer);
 static int __rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm)
 {
        int err;
@@ -120,12 +123,18 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
        err = mutex_lock_interruptible(&rtc->ops_lock);
        if (err)
                return err;
-        alarm->enabled = rtc->aie_timer.enabled;
+        if (rtc->ops == NULL)
-        if (alarm->enabled)
+                err = -ENODEV;
+        else if (!rtc->ops->read_alarm)
+                err = -EINVAL;
+        else {
+                memset(alarm, 0, sizeof(struct rtc_wkalrm));
+                alarm->enabled = rtc->aie_timer.enabled;
                alarm->time = rtc_ktime_to_tm(rtc->aie_timer.node.expires);
+        }
        mutex_unlock(&rtc->ops_lock);
-        return 0;
+        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
@@ -175,16 +184,14 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
                return err;
        if (rtc->aie_timer.enabled) {
                rtc_timer_remove(rtc, &rtc->aie_timer);
-                rtc->aie_timer.enabled = 0;
        }
        rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
        rtc->aie_timer.period = ktime_set(0, 0);
        if (alarm->enabled) {
-                rtc->aie_timer.enabled = 1;
+                err = rtc_timer_enqueue(rtc, &rtc->aie_timer);
-                rtc_timer_enqueue(rtc, &rtc->aie_timer);
        }
        mutex_unlock(&rtc->ops_lock);
-        return 0;
+        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_alarm);
@@ -195,15 +202,15 @@ int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
                return err;
        if (rtc->aie_timer.enabled != enabled) {
-                if (enabled) {
+                if (enabled)
-                        rtc->aie_timer.enabled = 1;
+                        err = rtc_timer_enqueue(rtc, &rtc->aie_timer);
-                        rtc_timer_enqueue(rtc, &rtc->aie_timer);
+                else
-                } else {
                        rtc_timer_remove(rtc, &rtc->aie_timer);
-                        rtc->aie_timer.enabled = 0;
-                }
        }
+        if (err)
+                return err;
        if (!rtc->ops)
                err = -ENODEV;
        else if (!rtc->ops->alarm_irq_enable)
@@ -235,12 +242,9 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
                now = rtc_tm_to_ktime(tm);
                rtc->uie_rtctimer.node.expires = ktime_add(now, onesec);
                rtc->uie_rtctimer.period = ktime_set(1, 0);
-                rtc->uie_rtctimer.enabled = 1;
+                err = rtc_timer_enqueue(rtc, &rtc->uie_rtctimer);
-                rtc_timer_enqueue(rtc, &rtc->uie_rtctimer);
+        } else
-        } else {
                rtc_timer_remove(rtc, &rtc->uie_rtctimer);
-                rtc->uie_rtctimer.enabled = 0;
-        }
 out:
        mutex_unlock(&rtc->ops_lock);
@@ -488,10 +492,13 @@ EXPORT_SYMBOL_GPL(rtc_irq_set_freq);
 * Enqueues a timer onto the rtc devices timerqueue and sets
 * the next alarm event appropriately.
 *
+ * Sets the enabled bit on the added timer.
+ *
 * Must hold ops_lock for proper serialization of timerqueue
 */
-void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
+static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
 {
+        timer->enabled = 1;
        timerqueue_add(&rtc->timerqueue, &timer->node);
        if (&timer->node == timerqueue_getnext(&rtc->timerqueue)) {
                struct rtc_wkalrm alarm;
@@ -501,7 +508,13 @@ void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
                err = __rtc_set_alarm(rtc, &alarm);
                if (err == -ETIME)
                        schedule_work(&rtc->irqwork);
+                else if (err) {
+                        timerqueue_del(&rtc->timerqueue, &timer->node);
+                        timer->enabled = 0;
+                        return err;
+                }
        }
+        return 0;
 }
 /**
@@ -512,13 +525,15 @@ void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
 * Removes a timer onto the rtc devices timerqueue and sets
 * the next alarm event appropriately.
 *
+ * Clears the enabled bit on the removed timer.
+ *
 * Must hold ops_lock for proper serialization of timerqueue
 */
-void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
+static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
 {
        struct timerqueue_node *next = timerqueue_getnext(&rtc->timerqueue);
        timerqueue_del(&rtc->timerqueue, &timer->node);
+        timer->enabled = 0;
        if (next == &timer->node) {
                struct rtc_wkalrm alarm;
                int err;
@@ -626,8 +641,7 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer* timer,
        timer->node.expires = expires;
        timer->period = period;
-        timer->enabled = 1;
+        ret = rtc_timer_enqueue(rtc, timer);
-        rtc_timer_enqueue(rtc, timer);
        mutex_unlock(&rtc->ops_lock);
        return ret;
@@ -645,7 +659,6 @@ int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer* timer)
        mutex_lock(&rtc->ops_lock);
        if (timer->enabled)
                rtc_timer_remove(rtc, timer);
-        timer->enabled = 0;
        mutex_unlock(&rtc->ops_lock);
        return ret;
 }
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index de885a0f917a..f33e2dd97934 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -173,7 +173,8 @@ int intc_set_priority(unsigned int irq, unsigned int prio)
        return 0;
 }
-#define VALID(x) (x | 0x80)
+#define SENSE_VALID_FLAG 0x80
+#define VALID(x) (x | SENSE_VALID_FLAG)
 static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
        [IRQ_TYPE_EDGE_FALLING] = VALID(0),
@@ -201,7 +202,8 @@ static int intc_set_type(struct irq_data *data, unsigned int type)
        ihp = intc_find_irq(d->sense, d->nr_sense, irq);
        if (ihp) {
                addr = INTC_REG(d, _INTC_ADDR_E(ihp->handle), 0);
-                intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle, value);
+                intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle,
+                                                    value & ~SENSE_VALID_FLAG);
        }
        return 0;
diff --git a/drivers/staging/msm/msm_fb.c b/drivers/staging/msm/msm_fb.c
index 23fa049b51f2..a2f29d464051 100644
--- a/drivers/staging/msm/msm_fb.c
+++ b/drivers/staging/msm/msm_fb.c
@@ -347,7 +347,7 @@ static int msm_fb_suspend(struct platform_device *pdev, pm_message_t state)
        if ((!mfd) || (mfd->key != MFD_KEY))
                return 0;
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(mfd->fbi, 1);
        ret = msm_fb_suspend_sub(mfd);
@@ -358,7 +358,7 @@ static int msm_fb_suspend(struct platform_device *pdev, pm_message_t state)
                pdev->dev.power.power_state = state;
        }
-        release_console_sem();
+        console_unlock();
        return ret;
 }
 #else
@@ -431,11 +431,11 @@ static int msm_fb_resume(struct platform_device *pdev)
        if ((!mfd) || (mfd->key != MFD_KEY))
                return 0;
-        acquire_console_sem();
+        console_lock();
        ret = msm_fb_resume_sub(mfd);
        pdev->dev.power.power_state = PMSG_ON;
        fb_set_suspend(mfd->fbi, 1);
-        release_console_sem();
+        console_unlock();
        return ret;
 }
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index 9f26dc9408bb..56a283d1a74d 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -373,17 +373,17 @@ static void dcon_source_switch(struct work_struct *work)
                 *
                 * For now, we just hope..
                 */
-                acquire_console_sem();
+                console_lock();
                ignore_fb_events = 1;
                if (fb_blank(fbinfo, FB_BLANK_UNBLANK)) {
                        ignore_fb_events = 0;
-                        release_console_sem();
+                        console_unlock();
                        printk(KERN_ERR "olpc-dcon:  Failed to enter CPU mode\n");
                        dcon_pending = DCON_SOURCE_DCON;
                        return;
                }
                ignore_fb_events = 0;
-                release_console_sem();
+                console_unlock();
                /* And turn off the DCON */
                pdata->set_dconload(1);
@@ -435,12 +435,12 @@ static void dcon_source_switch(struct work_struct *work)
                        }
                }
-                acquire_console_sem();
+                console_lock();
                ignore_fb_events = 1;
                if (fb_blank(fbinfo, FB_BLANK_POWERDOWN))
                        printk(KERN_ERR "olpc-dcon:  couldn't blank fb!\n");
                ignore_fb_events = 0;
-                release_console_sem();
+                console_unlock();
                printk(KERN_INFO "olpc-dcon: The DCON has control\n");
                break;
diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
index 0bc113c44d39..d007e4a12c14 100644
--- a/drivers/staging/sm7xx/smtcfb.c
+++ b/drivers/staging/sm7xx/smtcfb.c
@@ -1044,9 +1044,9 @@ static int __maybe_unused smtcfb_suspend(struct pci_dev *pdev, pm_message_t msg)
        /* when doing suspend, call fb apis and pci apis */
        if (msg.event == PM_EVENT_SUSPEND) {
-                acquire_console_sem();
+                console_lock();
                fb_set_suspend(&sfb->fb, 1);
-                release_console_sem();
+                console_unlock();
                retv = pci_save_state(pdev);
                pci_disable_device(pdev);
                retv = pci_choose_state(pdev, msg);
@@ -1105,9 +1105,9 @@ static int __maybe_unused smtcfb_resume(struct pci_dev *pdev)
        smtcfb_setmode(sfb);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(&sfb->fb, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c
index a2f2b3254499..602d9845c52f 100644
--- a/drivers/tty/serial/sb1250-duart.c
+++ b/drivers/tty/serial/sb1250-duart.c
@@ -829,7 +829,7 @@ static void __init sbd_probe_duarts(void)
 #ifdef CONFIG_SERIAL_SB1250_DUART_CONSOLE
 /*
 * Serial console stuff.  Very basic, polling driver for doing serial
- * console output.  The console_sem is held by the caller, so we
+ * console output.  The console_lock is held by the caller, so we
 * shouldn't be interrupted for more console activity.
 */
 static void sbd_console_putchar(struct uart_port *uport, int ch)
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index c556ed9db13d..8e0dd254eb11 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -46,7 +46,7 @@
 #include <asm/irq_regs.h>
 /* Whether we react on sysrq keys or just ignore them */
-static int __read_mostly sysrq_enabled = 1;
+static int __read_mostly sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
 static bool __read_mostly sysrq_always_enabled;
 static bool sysrq_on(void)
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 464d09d97873..6158eae0f64a 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3256,7 +3256,7 @@ static ssize_t show_cons_active(struct device *dev,
        struct console *c;
        ssize_t count = 0;
-        acquire_console_sem();
+        console_lock();
        for (c = console_drivers; c; c = c->next) {
                if (!c->device)
                        continue;
@@ -3271,7 +3271,7 @@ static ssize_t show_cons_active(struct device *dev,
        while (i--)
                count += sprintf(buf + count, "%s%d%c",
                                 cs[i]->name, cs[i]->index, i ? ' ':'\n');
-        release_console_sem();
+        console_unlock();
        return count;
 }
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index ebae344ce910..c956ed6c83a3 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -316,9 +316,9 @@ int paste_selection(struct tty_struct *tty)
        /* always called with BTM from vt_ioctl */
        WARN_ON(!tty_locked());
-        acquire_console_sem();
+        console_lock();
        poke_blanked_console();
-        release_console_sem();
+        console_unlock();
        ld = tty_ldisc_ref(tty);
        if (!ld) {
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
index eab3a1ff99e4..a672ed192d33 100644
--- a/drivers/tty/vt/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
@@ -202,7 +202,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
        /* Select the proper current console and verify
         * sanity of the situation under the console lock.
         */
-        acquire_console_sem();
+        console_lock();
        attr = (currcons & 128);
        currcons = (currcons & 127);
@@ -336,9 +336,9 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
                 * the pagefault handling code may want to call printk().
                 */
-                release_console_sem();
+                console_unlock();
                ret = copy_to_user(buf, con_buf_start, orig_count);
-                acquire_console_sem();
+                console_lock();
                if (ret) {
                        read += (orig_count - ret);
@@ -354,7 +354,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
        if (read)
                ret = read;
 unlock_out:
-        release_console_sem();
+        console_unlock();
        mutex_unlock(&con_buf_mtx);
        return ret;
 }
@@ -379,7 +379,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
        /* Select the proper current console and verify
         * sanity of the situation under the console lock.
         */
-        acquire_console_sem();
+        console_lock();
        attr = (currcons & 128);
        currcons = (currcons & 127);
@@ -414,9 +414,9 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
                /* Temporarily drop the console lock so that we can read
                 * in the write data from userspace safely.
                 */
-                release_console_sem();
+                console_unlock();
                ret = copy_from_user(con_buf, buf, this_round);
-                acquire_console_sem();
+                console_lock();
                if (ret) {
                        this_round -= ret;
@@ -542,7 +542,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
                vcs_scr_updated(vc);
 unlock_out:
-        release_console_sem();
+        console_unlock();
        mutex_unlock(&con_buf_mtx);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 76407eca9ab0..b230bd3f056f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1003,9 +1003,9 @@ static int vt_resize(struct tty_struct *tty, struct winsize *ws)
        struct vc_data *vc = tty->driver_data;
        int ret;
-        acquire_console_sem();
+        console_lock();
        ret = vc_do_resize(tty, vc, ws->ws_col, ws->ws_row);
-        release_console_sem();
+        console_unlock();
        return ret;
 }
@@ -1271,7 +1271,7 @@ static void default_attr(struct vc_data *vc)
        vc->vc_color = vc->vc_def_color;
 }
-/* console_sem is held */
+/* console_lock is held */
 static void csi_m(struct vc_data *vc)
 {
        int i;
@@ -1415,7 +1415,7 @@ int mouse_reporting(void)
        return vc_cons[fg_console].d->vc_report_mouse;
 }
-/* console_sem is held */
+/* console_lock is held */
 static void set_mode(struct vc_data *vc, int on_off)
 {
        int i;
@@ -1485,7 +1485,7 @@ static void set_mode(struct vc_data *vc, int on_off)
                }
 }
-/* console_sem is held */
+/* console_lock is held */
 static void setterm_command(struct vc_data *vc)
 {
        switch(vc->vc_par[0]) {
@@ -1545,7 +1545,7 @@ static void setterm_command(struct vc_data *vc)
        }
 }
-/* console_sem is held */
+/* console_lock is held */
 static void csi_at(struct vc_data *vc, unsigned int nr)
 {
        if (nr > vc->vc_cols - vc->vc_x)
@@ -1555,7 +1555,7 @@ static void csi_at(struct vc_data *vc, unsigned int nr)
        insert_char(vc, nr);
 }
-/* console_sem is held */
+/* console_lock is held */
 static void csi_L(struct vc_data *vc, unsigned int nr)
 {
        if (nr > vc->vc_rows - vc->vc_y)
@@ -1566,7 +1566,7 @@ static void csi_L(struct vc_data *vc, unsigned int nr)
        vc->vc_need_wrap = 0;
 }
-/* console_sem is held */
+/* console_lock is held */
 static void csi_P(struct vc_data *vc, unsigned int nr)
 {
        if (nr > vc->vc_cols - vc->vc_x)
@@ -1576,7 +1576,7 @@ static void csi_P(struct vc_data *vc, unsigned int nr)
        delete_char(vc, nr);
 }
-/* console_sem is held */
+/* console_lock is held */
 static void csi_M(struct vc_data *vc, unsigned int nr)
 {
        if (nr > vc->vc_rows - vc->vc_y)
@@ -1587,7 +1587,7 @@ static void csi_M(struct vc_data *vc, unsigned int nr)
        vc->vc_need_wrap = 0;
 }
-/* console_sem is held (except via vc_init->reset_terminal */
+/* console_lock is held (except via vc_init->reset_terminal */
 static void save_cur(struct vc_data *vc)
 {
        vc->vc_saved_x          = vc->vc_x;
@@ -1603,7 +1603,7 @@ static void save_cur(struct vc_data *vc)
        vc->vc_saved_G1         = vc->vc_G1_charset;
 }
-/* console_sem is held */
+/* console_lock is held */
 static void restore_cur(struct vc_data *vc)
 {
        gotoxy(vc, vc->vc_saved_x, vc->vc_saved_y);
@@ -1625,7 +1625,7 @@ enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey,
        EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd,
        ESpalette };
-/* console_sem is held (except via vc_init()) */
+/* console_lock is held (except via vc_init()) */
 static void reset_terminal(struct vc_data *vc, int do_clear)
 {
        vc->vc_top              = 0;
@@ -1685,7 +1685,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
            csi_J(vc, 2);
 }
-/* console_sem is held */
+/* console_lock is held */
 static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
 {
        /*
@@ -2119,7 +2119,7 @@ static int is_double_width(uint32_t ucs)
        return bisearch(ucs, double_width, ARRAY_SIZE(double_width) - 1);
 }
-/* acquires console_sem */
+/* acquires console_lock */
 static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
 #ifdef VT_BUF_VRAM_ONLY
@@ -2147,11 +2147,11 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
        might_sleep();
-        acquire_console_sem();
+        console_lock();
        vc = tty->driver_data;
        if (vc == NULL) {
                printk(KERN_ERR "vt: argh, driver_data is NULL !\n");
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -2159,7 +2159,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
        if (!vc_cons_allocated(currcons)) {
            /* could this happen? */
                printk_once("con_write: tty %d not allocated\n", currcons+1);
-            release_console_sem();
+            console_unlock();
            return 0;
        }
@@ -2375,7 +2375,7 @@ rescan_last_byte:
        }
        FLUSH
        console_conditional_schedule();
-        release_console_sem();
+        console_unlock();
        notify_update(vc);
        return n;
 #undef FLUSH
@@ -2388,11 +2388,11 @@ rescan_last_byte:
 * us to do the switches asynchronously (needed when we want
 * to switch due to a keyboard interrupt).  Synchronization
 * with other console code and prevention of re-entrancy is
- * ensured with console_sem.
+ * ensured with console_lock.
 */
 static void console_callback(struct work_struct *ignored)
 {
-        acquire_console_sem();
+        console_lock();
        if (want_console >= 0) {
                if (want_console != fg_console &&
@@ -2422,7 +2422,7 @@ static void console_callback(struct work_struct *ignored)
        }
        notify_update(vc_cons[fg_console].d);
-        release_console_sem();
+        console_unlock();
 }
 int set_console(int nr)
@@ -2603,7 +2603,7 @@ static struct console vt_console_driver = {
 */
 /*
- * Generally a bit racy with respect to console_sem().
+ * Generally a bit racy with respect to console_lock();.
 *
 * There are some functions which don't need it.
 *
@@ -2629,17 +2629,17 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
        switch (type)
        {
                case TIOCL_SETSEL:
-                        acquire_console_sem();
+                        console_lock();
                        ret = set_selection((struct tiocl_selection __user *)(p+1), tty);
-                        release_console_sem();
+                        console_unlock();
                        break;
                case TIOCL_PASTESEL:
                        ret = paste_selection(tty);
                        break;
                case TIOCL_UNBLANKSCREEN:
-                        acquire_console_sem();
+                        console_lock();
                        unblank_screen();
-                        release_console_sem();
+                        console_unlock();
                        break;
                case TIOCL_SELLOADLUT:
                        ret = sel_loadlut(p);
@@ -2688,10 +2688,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
                        }
                        break;
                case TIOCL_BLANKSCREEN: /* until explicitly unblanked, not only poked */
-                        acquire_console_sem();
+                        console_lock();
                        ignore_poke = 1;
                        do_blank_screen(0);
-                        release_console_sem();
+                        console_unlock();
                        break;
                case TIOCL_BLANKEDSCREEN:
                        ret = console_blanked;
@@ -2790,11 +2790,11 @@ static void con_flush_chars(struct tty_struct *tty)
                return;
        /* if we race with con_close(), vt may be null */
-        acquire_console_sem();
+        console_lock();
        vc = tty->driver_data;
        if (vc)
                set_cursor(vc);
-        release_console_sem();
+        console_unlock();
 }
 /*
@@ -2805,7 +2805,7 @@ static int con_open(struct tty_struct *tty, struct file *filp)
        unsigned int currcons = tty->index;
        int ret = 0;
-        acquire_console_sem();
+        console_lock();
        if (tty->driver_data == NULL) {
                ret = vc_allocate(currcons);
                if (ret == 0) {
@@ -2813,7 +2813,7 @@ static int con_open(struct tty_struct *tty, struct file *filp)
                        /* Still being freed */
                        if (vc->port.tty) {
-                                release_console_sem();
+                                console_unlock();
                                return -ERESTARTSYS;
                        }
                        tty->driver_data = vc;
@@ -2827,11 +2827,11 @@ static int con_open(struct tty_struct *tty, struct file *filp)
                                tty->termios->c_iflag |= IUTF8;
                        else
                                tty->termios->c_iflag &= ~IUTF8;
-                        release_console_sem();
+                        console_unlock();
                        return ret;
                }
        }
-        release_console_sem();
+        console_unlock();
        return ret;
 }
@@ -2844,9 +2844,9 @@ static void con_shutdown(struct tty_struct *tty)
 {
        struct vc_data *vc = tty->driver_data;
        BUG_ON(vc == NULL);
-        acquire_console_sem();
+        console_lock();
        vc->port.tty = NULL;
-        release_console_sem();
+        console_unlock();
        tty_shutdown(tty);
 }
@@ -2893,13 +2893,13 @@ static int __init con_init(void)
        struct vc_data *vc;
        unsigned int currcons = 0, i;
-        acquire_console_sem();
+        console_lock();
        if (conswitchp)
                display_desc = conswitchp->con_startup();
        if (!display_desc) {
                fg_console = 0;
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -2946,7 +2946,7 @@ static int __init con_init(void)
        printable = 1;
        printk("\n");
-        release_console_sem();
+        console_unlock();
 #ifdef CONFIG_VT_CONSOLE
        register_console(&vt_console_driver);
@@ -3037,7 +3037,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
        if (!try_module_get(owner))
                return -ENODEV;
-        acquire_console_sem();
+        console_lock();
        /* check if driver is registered */
        for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
@@ -3122,7 +3122,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
        retval = 0;
 err:
-        release_console_sem();
+        console_unlock();
        module_put(owner);
        return retval;
 };
@@ -3171,7 +3171,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
        if (!try_module_get(owner))
                return -ENODEV;
-        acquire_console_sem();
+        console_lock();
        /* check if driver is registered and if it is unbindable */
        for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
@@ -3185,7 +3185,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
        }
        if (retval) {
-                release_console_sem();
+                console_unlock();
                goto err;
        }
@@ -3204,12 +3204,12 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
        }
        if (retval) {
-                release_console_sem();
+                console_unlock();
                goto err;
        }
        if (!con_is_bound(csw)) {
-                release_console_sem();
+                console_unlock();
                goto err;
        }
@@ -3238,7 +3238,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
        if (!con_is_bound(csw))
                con_driver->flag &= ~CON_DRIVER_FLAG_INIT;
-        release_console_sem();
+        console_unlock();
        /* ignore return value, binding should not fail */
        bind_con_driver(defcsw, first, last, deflt);
 err:
@@ -3538,7 +3538,7 @@ int register_con_driver(const struct consw *csw, int first, int last)
        if (!try_module_get(owner))
                return -ENODEV;
-        acquire_console_sem();
+        console_lock();
        for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
                con_driver = &registered_con_driver[i];
@@ -3592,7 +3592,7 @@ int register_con_driver(const struct consw *csw, int first, int last)
        }
 err:
-        release_console_sem();
+        console_unlock();
        module_put(owner);
        return retval;
 }
@@ -3613,7 +3613,7 @@ int unregister_con_driver(const struct consw *csw)
 {
        int i, retval = -ENODEV;
-        acquire_console_sem();
+        console_lock();
        /* cannot unregister a bound driver */
        if (con_is_bound(csw))
@@ -3639,7 +3639,7 @@ int unregister_con_driver(const struct consw *csw)
                }
        }
 err:
-        release_console_sem();
+        console_unlock();
        return retval;
 }
 EXPORT_SYMBOL(unregister_con_driver);
@@ -3934,9 +3934,9 @@ int con_set_cmap(unsigned char __user *arg)
 {
        int rc;
-        acquire_console_sem();
+        console_lock();
        rc = set_get_cmap (arg,1);
-        release_console_sem();
+        console_unlock();
        return rc;
 }
@@ -3945,9 +3945,9 @@ int con_get_cmap(unsigned char __user *arg)
 {
        int rc;
-        acquire_console_sem();
+        console_lock();
        rc = set_get_cmap (arg,0);
-        release_console_sem();
+        console_unlock();
        return rc;
 }
@@ -3994,12 +3994,12 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
        } else
                font.data = NULL;
-        acquire_console_sem();
+        console_lock();
        if (vc->vc_sw->con_font_get)
                rc = vc->vc_sw->con_font_get(vc, &font);
        else
                rc = -ENOSYS;
-        release_console_sem();
+        console_unlock();
        if (rc)
                goto out;
@@ -4076,12 +4076,12 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op)
        font.data = memdup_user(op->data, size);
        if (IS_ERR(font.data))
                return PTR_ERR(font.data);
-        acquire_console_sem();
+        console_lock();
        if (vc->vc_sw->con_font_set)
                rc = vc->vc_sw->con_font_set(vc, &font, op->flags);
        else
                rc = -ENOSYS;
-        release_console_sem();
+        console_unlock();
        kfree(font.data);
        return rc;
 }
@@ -4103,12 +4103,12 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op)
        else
                name[MAX_FONT_NAME - 1] = 0;
-        acquire_console_sem();
+        console_lock();
        if (vc->vc_sw->con_font_default)
                rc = vc->vc_sw->con_font_default(vc, &font, s);
        else
                rc = -ENOSYS;
-        release_console_sem();
+        console_unlock();
        if (!rc) {
                op->width = font.width;
                op->height = font.height;
@@ -4124,7 +4124,7 @@ static int con_font_copy(struct vc_data *vc, struct console_font_op *op)
        if (vc->vc_mode != KD_TEXT)
                return -EINVAL;
-        acquire_console_sem();
+        console_lock();
        if (!vc->vc_sw->con_font_copy)
                rc = -ENOSYS;
        else if (con < 0 || !vc_cons_allocated(con))
@@ -4133,7 +4133,7 @@ static int con_font_copy(struct vc_data *vc, struct console_font_op *op)
                rc = 0;
        else
                rc = vc->vc_sw->con_font_copy(vc, con);
-        release_console_sem();
+        console_unlock();
        return rc;
 }
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 6b68a0fb4611..1235ebda6e1c 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -649,12 +649,12 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                /*
                 * explicitly blank/unblank the screen if switching modes
                 */
-                acquire_console_sem();
+                console_lock();
                if (arg == KD_TEXT)
                        do_unblank_screen(1);
                else
                        do_blank_screen(1);
-                release_console_sem();
+                console_unlock();
                break;
        case KDGETMODE:
@@ -893,7 +893,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                        ret = -EINVAL;
                        goto out;
                }
-                acquire_console_sem();
+                console_lock();
                vc->vt_mode = tmp;
                /* the frsig is ignored, so we set it to 0 */
                vc->vt_mode.frsig = 0;
@@ -901,7 +901,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                vc->vt_pid = get_pid(task_pid(current));
                /* no switch is required -- saw@shade.msu.ru */
                vc->vt_newvt = -1;
-                release_console_sem();
+                console_unlock();
                break;
        }
@@ -910,9 +910,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                struct vt_mode tmp;
                int rc;
-                acquire_console_sem();
+                console_lock();
                memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));
-                release_console_sem();
+                console_unlock();
                rc = copy_to_user(up, &tmp, sizeof(struct vt_mode));
                if (rc)
@@ -965,9 +965,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                        ret =  -ENXIO;
                else {
                        arg--;
-                        acquire_console_sem();
+                        console_lock();
                        ret = vc_allocate(arg);
-                        release_console_sem();
+                        console_unlock();
                        if (ret)
                                break;
                        set_console(arg);
@@ -990,7 +990,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                        ret = -ENXIO;
                else {
                        vsa.console--;
-                        acquire_console_sem();
+                        console_lock();
                        ret = vc_allocate(vsa.console);
                        if (ret == 0) {
                                struct vc_data *nvc;
@@ -1003,7 +1003,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                                put_pid(nvc->vt_pid);
                                nvc->vt_pid = get_pid(task_pid(current));
                        }
-                        release_console_sem();
+                        console_unlock();
                        if (ret)
                                break;
                        /* Commence switch and lock */
@@ -1044,7 +1044,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                /*
                 * Switching-from response
                 */
-                acquire_console_sem();
+                console_lock();
                if (vc->vt_newvt >= 0) {
                        if (arg == 0)
                                /*
@@ -1063,7 +1063,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                                vc->vt_newvt = -1;
                                ret = vc_allocate(newvt);
                                if (ret) {
-                                        release_console_sem();
+                                        console_unlock();
                                        break;
                                }
                                /*
@@ -1083,7 +1083,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                        if (arg != VT_ACKACQ)
                                ret = -EINVAL;
                }
-                release_console_sem();
+                console_unlock();
                break;
         /*
@@ -1096,20 +1096,20 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                }
                if (arg == 0) {
                    /* deallocate all unused consoles, but leave 0 */
-                        acquire_console_sem();
+                        console_lock();
                        for (i=1; i<MAX_NR_CONSOLES; i++)
                                if (! VT_BUSY(i))
                                        vc_deallocate(i);
-                        release_console_sem();
+                        console_unlock();
                } else {
                        /* deallocate a single console, if possible */
                        arg--;
                        if (VT_BUSY(arg))
                                ret = -EBUSY;
                        else if (arg) {                       /* leave 0 */
-                                acquire_console_sem();
+                                console_lock();
                                vc_deallocate(arg);
-                                release_console_sem();
+                                console_unlock();
                        }
                }
                break;
@@ -1126,7 +1126,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                    get_user(cc, &vtsizes->v_cols))
                        ret = -EFAULT;
                else {
-                        acquire_console_sem();
+                        console_lock();
                        for (i = 0; i < MAX_NR_CONSOLES; i++) {
                                vc = vc_cons[i].d;
@@ -1135,7 +1135,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                                        vc_resize(vc_cons[i].d, cc, ll);
                                }
                        }
-                        release_console_sem();
+                        console_unlock();
                }
                break;
        }
@@ -1187,14 +1187,14 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                for (i = 0; i < MAX_NR_CONSOLES; i++) {
                        if (!vc_cons[i].d)
                                continue;
-                        acquire_console_sem();
+                        console_lock();
                        if (vlin)
                                vc_cons[i].d->vc_scan_lines = vlin;
                        if (clin)
                                vc_cons[i].d->vc_font.height = clin;
                        vc_cons[i].d->vc_resize_user = 1;
                        vc_resize(vc_cons[i].d, cc, ll);
-                        release_console_sem();
+                        console_unlock();
                }
                break;
        }
@@ -1367,7 +1367,7 @@ void vc_SAK(struct work_struct *work)
        struct vc_data *vc;
        struct tty_struct *tty;
-        acquire_console_sem();
+        console_lock();
        vc = vc_con->d;
        if (vc) {
                tty = vc->port.tty;
@@ -1379,7 +1379,7 @@ void vc_SAK(struct work_struct *work)
                        __do_SAK(tty);
                reset_vc(vc);
        }
-        release_console_sem();
+        console_unlock();
 }
 #ifdef CONFIG_COMPAT
@@ -1737,10 +1737,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
 {
        int prev;
-        acquire_console_sem();
+        console_lock();
        /* Graphics mode - up to X */
        if (disable_vt_switch) {
-                release_console_sem();
+                console_unlock();
                return 0;
        }
        prev = fg_console;
@@ -1748,7 +1748,7 @@ int vt_move_to_console(unsigned int vt, int alloc)
        if (alloc && vc_allocate(vt)) {
                /* we can't have a free VC for now. Too bad,
                 * we don't want to mess the screen for now. */
-                release_console_sem();
+                console_unlock();
                return -ENOSPC;
        }
@@ -1758,10 +1758,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
                 * Let the calling function know so it can decide
                 * what to do.
                 */
-                release_console_sem();
+                console_unlock();
                return -EIO;
        }
-        release_console_sem();
+        console_unlock();
        tty_lock();
        if (vt_waitactive(vt + 1)) {
                pr_debug("Suspend: Can't switch VCs.");
@@ -1781,8 +1781,8 @@ int vt_move_to_console(unsigned int vt, int alloc)
 */
 void pm_set_vt_switch(int do_switch)
 {
-        acquire_console_sem();
+        console_lock();
        disable_vt_switch = !do_switch;
-        release_console_sem();
+        console_unlock();
 }
 EXPORT_SYMBOL(pm_set_vt_switch);
diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index d583bea608fd..391ac939f011 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -23,7 +23,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 #ifdef CONFIG_MTRR
@@ -1091,12 +1091,12 @@ static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state)
        dev_info(info->device, "suspend\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
                mutex_unlock(&(par->open_lock));
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -1107,7 +1107,7 @@ static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state)
        pci_set_power_state(dev, pci_choose_state(dev, state));
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -1122,7 +1122,7 @@ static int ark_pci_resume (struct pci_dev* dev)
        dev_info(info->device, "resume\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if (par->ref_count == 0)
@@ -1141,7 +1141,7 @@ static int ark_pci_resume (struct pci_dev* dev)
 fail:
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 #else
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index dd9de2e80580..4cb6a576c567 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1860,11 +1860,11 @@ static void aty128_early_resume(void *data)
 {
        struct aty128fb_par *par = data;
-        if (try_acquire_console_sem())
+        if (!console_trylock())
                return;
        pci_restore_state(par->pdev);
        aty128_do_resume(par->pdev);
-        release_console_sem();
+        console_unlock();
 }
 #endif /* CONFIG_PPC_PMAC */
@@ -2438,7 +2438,7 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
        printk(KERN_DEBUG "aty128fb: suspending...\n");
        
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
@@ -2470,7 +2470,7 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
        if (state.event != PM_EVENT_ON)
                aty128_set_suspend(par, 1);
-        release_console_sem();
+        console_unlock();
        pdev->dev.power.power_state = state;
@@ -2527,9 +2527,9 @@ static int aty128_pci_resume(struct pci_dev *pdev)
 {
        int rc;
-        acquire_console_sem();
+        console_lock();
        rc = aty128_do_resume(pdev);
-        release_console_sem();
+        console_unlock();
        return rc;
 }
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 767ab4fb1a05..94e293fce1d2 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2069,7 +2069,7 @@ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
        if (state.event == pdev->dev.power.power_state.event)
                return 0;
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
@@ -2097,14 +2097,14 @@ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
                par->lock_blank = 0;
                atyfb_blank(FB_BLANK_UNBLANK, info);
                fb_set_suspend(info, 0);
-                release_console_sem();
+                console_unlock();
                return -EIO;
        }
 #else
        pci_set_power_state(pdev, pci_choose_state(pdev, state));
 #endif
-        release_console_sem();
+        console_unlock();
        pdev->dev.power.power_state = state;
@@ -2133,7 +2133,7 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
        if (pdev->dev.power.power_state.event == PM_EVENT_ON)
                return 0;
-        acquire_console_sem();
+        console_lock();
        /*
         * PCI state will have been restored by the core, so
@@ -2161,7 +2161,7 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
        par->lock_blank = 0;
        atyfb_blank(FB_BLANK_UNBLANK, info);
-        release_console_sem();
+        console_unlock();
        pdev->dev.power.power_state = PMSG_ON;
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index c4e17642d9c5..92bda5848516 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -2626,7 +2626,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
                goto done;
        }
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
@@ -2690,7 +2690,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
        if (rinfo->pm_mode & radeon_pm_d2)
                radeon_set_suspend(rinfo, 1);
-        release_console_sem();
+        console_unlock();
 done:
        pdev->dev.power.power_state = mesg;
@@ -2715,10 +2715,10 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
                return 0;
        if (rinfo->no_schedule) {
-                if (try_acquire_console_sem())
+                if (!console_trylock())
                        return 0;
        } else
-                acquire_console_sem();
+                console_lock();
        printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n",
               pci_name(pdev), pdev->dev.power.power_state.event);
@@ -2783,7 +2783,7 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
        pdev->dev.power.power_state = PMSG_ON;
 bail:
-        release_console_sem();
+        console_unlock();
        return rc;
 }
diff --git a/drivers/video/bf537-lq035.c b/drivers/video/bf537-lq035.c
index 18c507874ff1..47c21fb2c82f 100644
--- a/drivers/video/bf537-lq035.c
+++ b/drivers/video/bf537-lq035.c
@@ -696,6 +696,7 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 {
        struct backlight_properties props;
        dma_addr_t dma_handle;
+        int ret;
        if (request_dma(CH_PPI, KBUILD_MODNAME)) {
                pr_err("couldn't request PPI DMA\n");
@@ -704,17 +705,16 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
        if (request_ports()) {
                pr_err("couldn't request gpio port\n");
-                free_dma(CH_PPI);
+                ret = -EFAULT;
-                return -EFAULT;
+                goto out_ports;
        }
        fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE,
                                       &dma_handle, GFP_KERNEL);
        if (fb_buffer == NULL) {
                pr_err("couldn't allocate dma buffer\n");
-                free_dma(CH_PPI);
+                ret = -ENOMEM;
-                free_ports();
+                goto out_dma_coherent;
-                return -ENOMEM;
        }
        if (L1_DATA_A_LENGTH)
@@ -725,10 +725,8 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
        if (dma_desc_table == NULL) {
                pr_err("couldn't allocate dma descriptor\n");
-                free_dma(CH_PPI);
+                ret = -ENOMEM;
-                free_ports();
+                goto out_table;
-                dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-                return -ENOMEM;
        }
        bfin_lq035_fb.screen_base = (void *)fb_buffer;
@@ -771,31 +769,21 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
        bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
        if (bfin_lq035_fb.pseudo_palette == NULL) {
                pr_err("failed to allocate pseudo_palette\n");
-                free_dma(CH_PPI);
+                ret = -ENOMEM;
-                free_ports();
+                goto out_palette;
-                dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-                return -ENOMEM;
        }
        if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
                pr_err("failed to allocate colormap (%d entries)\n",
                        NBR_PALETTE);
-                free_dma(CH_PPI);
+                ret = -EFAULT;
-                free_ports();
+                goto out_cmap;
-                dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-                kfree(bfin_lq035_fb.pseudo_palette);
-                return -EFAULT;
        }
        if (register_framebuffer(&bfin_lq035_fb) < 0) {
                pr_err("unable to register framebuffer\n");
-                free_dma(CH_PPI);
+                ret = -EINVAL;
-                free_ports();
+                goto out_reg;
-                dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-                fb_buffer = NULL;
-                kfree(bfin_lq035_fb.pseudo_palette);
-                fb_dealloc_cmap(&bfin_lq035_fb.cmap);
-                return -EINVAL;
        }
        i2c_add_driver(&ad5280_driver);
@@ -807,11 +795,31 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
        lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL,
                                      &bfin_lcd_ops);
+        if (IS_ERR(lcd_dev)) {
+                pr_err("unable to register lcd\n");
+                ret = PTR_ERR(lcd_dev);
+                goto out_lcd;
+        }
        lcd_dev->props.max_contrast = 255,
        pr_info("initialized");
        return 0;
+out_lcd:
+        unregister_framebuffer(&bfin_lq035_fb);
+out_reg:
+        fb_dealloc_cmap(&bfin_lq035_fb.cmap);
+out_cmap:
+        kfree(bfin_lq035_fb.pseudo_palette);
+out_palette:
+out_table:
+        dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+        fb_buffer = NULL;
+out_dma_coherent:
+        free_ports();
+out_ports:
+        free_dma(CH_PPI);
+        return ret;
 }
 static int __devexit bfin_lq035_remove(struct platform_device *pdev)
diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c
index d637e1f53172..cff742abdc5d 100644
--- a/drivers/video/chipsfb.c
+++ b/drivers/video/chipsfb.c
@@ -460,10 +460,10 @@ static int chipsfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
        if (!(state.event & PM_EVENT_SLEEP))
                goto done;
-        acquire_console_sem();
+        console_lock();
        chipsfb_blank(1, p);
        fb_set_suspend(p, 1);
-        release_console_sem();
+        console_unlock();
 done:
        pdev->dev.power.power_state = state;
        return 0;
@@ -473,10 +473,10 @@ static int chipsfb_pci_resume(struct pci_dev *pdev)
 {
        struct fb_info *p = pci_get_drvdata(pdev);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(p, 0);
        chipsfb_blank(0, p);
-        release_console_sem();
+        console_unlock();
        pdev->dev.power.power_state = PMSG_ON;
        return 0;
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 7ccc967831f0..9c092b8d64e6 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -375,14 +375,14 @@ static void fb_flashcursor(struct work_struct *work)
        int c;
        int mode;
-        acquire_console_sem();
+        console_lock();
        if (ops && ops->currcon != -1)
                vc = vc_cons[ops->currcon].d;
        if (!vc || !CON_IS_VISIBLE(vc) ||
            registered_fb[con2fb_map[vc->vc_num]] != info ||
            vc->vc_deccm != 1) {
-                release_console_sem();
+                console_unlock();
                return;
        }
@@ -392,7 +392,7 @@ static void fb_flashcursor(struct work_struct *work)
                CM_ERASE : CM_DRAW;
        ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
                    get_color(vc, info, c, 0));
-        release_console_sem();
+        console_unlock();
 }
 static void cursor_timer_handler(unsigned long dev_addr)
@@ -836,7 +836,7 @@ static int set_con2fb_map(int unit, int newidx, int user)
        found = search_fb_in_map(newidx);
-        acquire_console_sem();
+        console_lock();
        con2fb_map[unit] = newidx;
        if (!err && !found)
                err = con2fb_acquire_newinfo(vc, info, unit, oldidx);
@@ -863,7 +863,7 @@ static int set_con2fb_map(int unit, int newidx, int user)
        if (!search_fb_in_map(info_idx))
                info_idx = newidx;
-        release_console_sem();
+        console_unlock();
        return err;
 }
@@ -3321,7 +3321,7 @@ static ssize_t store_rotate(struct device *device,
        if (fbcon_has_exited)
                return count;
-        acquire_console_sem();
+        console_lock();
        idx = con2fb_map[fg_console];
        if (idx == -1 || registered_fb[idx] == NULL)
@@ -3331,7 +3331,7 @@ static ssize_t store_rotate(struct device *device,
        rotate = simple_strtoul(buf, last, 0);
        fbcon_rotate(info, rotate);
 err:
-        release_console_sem();
+        console_unlock();
        return count;
 }
@@ -3346,7 +3346,7 @@ static ssize_t store_rotate_all(struct device *device,
        if (fbcon_has_exited)
                return count;
-        acquire_console_sem();
+        console_lock();
        idx = con2fb_map[fg_console];
        if (idx == -1 || registered_fb[idx] == NULL)
@@ -3356,7 +3356,7 @@ static ssize_t store_rotate_all(struct device *device,
        rotate = simple_strtoul(buf, last, 0);
        fbcon_rotate_all(info, rotate);
 err:
-        release_console_sem();
+        console_unlock();
        return count;
 }
@@ -3369,7 +3369,7 @@ static ssize_t show_rotate(struct device *device,
        if (fbcon_has_exited)
                return 0;
-        acquire_console_sem();
+        console_lock();
        idx = con2fb_map[fg_console];
        if (idx == -1 || registered_fb[idx] == NULL)
@@ -3378,7 +3378,7 @@ static ssize_t show_rotate(struct device *device,
        info = registered_fb[idx];
        rotate = fbcon_get_rotate(info);
 err:
-        release_console_sem();
+        console_unlock();
        return snprintf(buf, PAGE_SIZE, "%d\n", rotate);
 }
@@ -3392,7 +3392,7 @@ static ssize_t show_cursor_blink(struct device *device,
        if (fbcon_has_exited)
                return 0;
-        acquire_console_sem();
+        console_lock();
        idx = con2fb_map[fg_console];
        if (idx == -1 || registered_fb[idx] == NULL)
@@ -3406,7 +3406,7 @@ static ssize_t show_cursor_blink(struct device *device,
        blink = (ops->flags & FBCON_FLAGS_CURSOR_TIMER) ? 1 : 0;
 err:
-        release_console_sem();
+        console_unlock();
        return snprintf(buf, PAGE_SIZE, "%d\n", blink);
 }
@@ -3421,7 +3421,7 @@ static ssize_t store_cursor_blink(struct device *device,
        if (fbcon_has_exited)
                return count;
-        acquire_console_sem();
+        console_lock();
        idx = con2fb_map[fg_console];
        if (idx == -1 || registered_fb[idx] == NULL)
@@ -3443,7 +3443,7 @@ static ssize_t store_cursor_blink(struct device *device,
        }
 err:
-        release_console_sem();
+        console_unlock();
        return count;
 }
@@ -3482,7 +3482,7 @@ static void fbcon_start(void)
        if (num_registered_fb) {
                int i;
-                acquire_console_sem();
+                console_lock();
                for (i = 0; i < FB_MAX; i++) {
                        if (registered_fb[i] != NULL) {
@@ -3491,7 +3491,7 @@ static void fbcon_start(void)
                        }
                }
-                release_console_sem();
+                console_unlock();
                fbcon_takeover(0);
        }
 }
@@ -3552,7 +3552,7 @@ static int __init fb_console_init(void)
 {
        int i;
-        acquire_console_sem();
+        console_lock();
        fb_register_client(&fbcon_event_notifier);
        fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), NULL,
                                     "fbcon");
@@ -3568,7 +3568,7 @@ static int __init fb_console_init(void)
        for (i = 0; i < MAX_NR_CONSOLES; i++)
                con2fb_map[i] = -1;
-        release_console_sem();
+        console_unlock();
        fbcon_start();
        return 0;
 }
@@ -3591,12 +3591,12 @@ static void __exit fbcon_deinit_device(void)
 static void __exit fb_console_exit(void)
 {
-        acquire_console_sem();
+        console_lock();
        fb_unregister_client(&fbcon_event_notifier);
        fbcon_deinit_device();
        device_destroy(fb_class, MKDEV(0, 0));
        fbcon_exit();
-        release_console_sem();
+        console_unlock();
        unregister_con_driver(&fb_con);
 }       
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index c97491b8b39b..915fd74da7a2 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -202,11 +202,7 @@ static void vgacon_scrollback_init(int pitch)
        }
 }
-/*
+static void vgacon_scrollback_startup(void)
- * Called only duing init so call of alloc_bootmen is ok.
- * Marked __init_refok to silence modpost.
- */
-static void __init_refok vgacon_scrollback_startup(void)
 {
        vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT);
        vgacon_scrollback_init(vga_video_num_columns * 2);
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index c265aed09e04..8d61ef96eedd 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1092,9 +1092,10 @@ static int __init fb_probe(struct platform_device *device)
 irq_freq:
 #ifdef CONFIG_CPU_FREQ
+        lcd_da8xx_cpufreq_deregister(par);
+#endif
 err_cpu_freq:
        unregister_framebuffer(da8xx_fb_info);
-#endif
 err_dealloc_cmap:
        fb_dealloc_cmap(&da8xx_fb_info->cmap);
@@ -1130,14 +1131,14 @@ static int fb_suspend(struct platform_device *dev, pm_message_t state)
        struct fb_info *info = platform_get_drvdata(dev);
        struct da8xx_fb_par *par = info->par;
-        acquire_console_sem();
+        console_lock();
        if (par->panel_power_ctrl)
                par->panel_power_ctrl(0);
        fb_set_suspend(info, 1);
        lcd_disable_raster();
        clk_disable(par->lcdc_clk);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -1146,14 +1147,14 @@ static int fb_resume(struct platform_device *dev)
        struct fb_info *info = platform_get_drvdata(dev);
        struct da8xx_fb_par *par = info->par;
-        acquire_console_sem();
+        console_lock();
        if (par->panel_power_ctrl)
                par->panel_power_ctrl(1);
        clk_enable(par->lcdc_clk);
        lcd_enable_raster();
        fb_set_suspend(info, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 4ac1201ad6c2..e2bf95370e40 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1036,11 +1036,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        return -EFAULT;
                if (!lock_fb_info(info))
                        return -ENODEV;
-                acquire_console_sem();
+                console_lock();
                info->flags |= FBINFO_MISC_USEREVENT;
                ret = fb_set_var(info, &var);
                info->flags &= ~FBINFO_MISC_USEREVENT;
-                release_console_sem();
+                console_unlock();
                unlock_fb_info(info);
                if (!ret && copy_to_user(argp, &var, sizeof(var)))
                        ret = -EFAULT;
@@ -1072,9 +1072,9 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        return -EFAULT;
                if (!lock_fb_info(info))
                        return -ENODEV;
-                acquire_console_sem();
+                console_lock();
                ret = fb_pan_display(info, &var);
-                release_console_sem();
+                console_unlock();
                unlock_fb_info(info);
                if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
                        return -EFAULT;
@@ -1119,11 +1119,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
        case FBIOBLANK:
                if (!lock_fb_info(info))
                        return -ENODEV;
-                acquire_console_sem();
+                console_lock();
                info->flags |= FBINFO_MISC_USEREVENT;
                ret = fb_blank(info, arg);
                info->flags &= ~FBINFO_MISC_USEREVENT;
-                release_console_sem();
+                console_unlock();
                unlock_fb_info(info);
                break;
        default:
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index 0a08f1341227..f4a32779168b 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -90,11 +90,11 @@ static int activate(struct fb_info *fb_info, struct fb_var_screeninfo *var)
        int err;
        var->activate |= FB_ACTIVATE_FORCE;
-        acquire_console_sem();
+        console_lock();
        fb_info->flags |= FBINFO_MISC_USEREVENT;
        err = fb_set_var(fb_info, var);
        fb_info->flags &= ~FBINFO_MISC_USEREVENT;
-        release_console_sem();
+        console_unlock();
        if (err)
                return err;
        return 0;
@@ -175,7 +175,7 @@ static ssize_t store_modes(struct device *device,
        if (i * sizeof(struct fb_videomode) != count)
                return -EINVAL;
-        acquire_console_sem();
+        console_lock();
        list_splice(&fb_info->modelist, &old_list);
        fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
                                 &fb_info->modelist);
@@ -185,7 +185,7 @@ static ssize_t store_modes(struct device *device,
        } else
                fb_destroy_modelist(&old_list);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -301,11 +301,11 @@ static ssize_t store_blank(struct device *device,
        char *last = NULL;
        int err;
-        acquire_console_sem();
+        console_lock();
        fb_info->flags |= FBINFO_MISC_USEREVENT;
        err = fb_blank(fb_info, simple_strtoul(buf, &last, 0));
        fb_info->flags &= ~FBINFO_MISC_USEREVENT;
-        release_console_sem();
+        console_unlock();
        if (err < 0)
                return err;
        return count;
@@ -364,9 +364,9 @@ static ssize_t store_pan(struct device *device,
                return -EINVAL;
        var.yoffset = simple_strtoul(last, &last, 0);
-        acquire_console_sem();
+        console_lock();
        err = fb_pan_display(fb_info, &var);
-        release_console_sem();
+        console_unlock();
        if (err < 0)
                return err;
@@ -399,9 +399,9 @@ static ssize_t store_fbstate(struct device *device,
        state = simple_strtoul(buf, &last, 0);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(fb_info, (int)state);
-        release_console_sem();
+        console_unlock();
        return count;
 }
diff --git a/drivers/video/geode/gxfb_core.c b/drivers/video/geode/gxfb_core.c
index 70b1d9d51c96..b4f19db9bb54 100644
--- a/drivers/video/geode/gxfb_core.c
+++ b/drivers/video/geode/gxfb_core.c
@@ -344,10 +344,10 @@ static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state)
        struct fb_info *info = pci_get_drvdata(pdev);
        if (state.event == PM_EVENT_SUSPEND) {
-                acquire_console_sem();
+                console_lock();
                gx_powerdown(info);
                fb_set_suspend(info, 1);
-                release_console_sem();
+                console_unlock();
        }
        /* there's no point in setting PCI states; we emulate PCI, so
@@ -361,7 +361,7 @@ static int gxfb_resume(struct pci_dev *pdev)
        struct fb_info *info = pci_get_drvdata(pdev);
        int ret;
-        acquire_console_sem();
+        console_lock();
        ret = gx_powerup(info);
        if (ret) {
                printk(KERN_ERR "gxfb:  power up failed!\n");
@@ -369,7 +369,7 @@ static int gxfb_resume(struct pci_dev *pdev)
        }
        fb_set_suspend(info, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 #endif
diff --git a/drivers/video/geode/lxfb_core.c b/drivers/video/geode/lxfb_core.c
index 39bdbedf43b4..416851ca8754 100644
--- a/drivers/video/geode/lxfb_core.c
+++ b/drivers/video/geode/lxfb_core.c
@@ -465,10 +465,10 @@ static int lxfb_suspend(struct pci_dev *pdev, pm_message_t state)
        struct fb_info *info = pci_get_drvdata(pdev);
        if (state.event == PM_EVENT_SUSPEND) {
-                acquire_console_sem();
+                console_lock();
                lx_powerdown(info);
                fb_set_suspend(info, 1);
-                release_console_sem();
+                console_unlock();
        }
        /* there's no point in setting PCI states; we emulate PCI, so
@@ -482,7 +482,7 @@ static int lxfb_resume(struct pci_dev *pdev)
        struct fb_info *info = pci_get_drvdata(pdev);
        int ret;
-        acquire_console_sem();
+        console_lock();
        ret = lx_powerup(info);
        if (ret) {
                printk(KERN_ERR "lxfb:  power up failed!\n");
@@ -490,7 +490,7 @@ static int lxfb_resume(struct pci_dev *pdev)
        }
        fb_set_suspend(info, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 #else
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 5743ea25e818..318f6fb895b2 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -1574,7 +1574,7 @@ static int i810fb_suspend(struct pci_dev *dev, pm_message_t mesg)
                return 0;
        }
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
        if (info->fbops->fb_sync)
@@ -1587,7 +1587,7 @@ static int i810fb_suspend(struct pci_dev *dev, pm_message_t mesg)
        pci_save_state(dev);
        pci_disable_device(dev);
        pci_set_power_state(dev, pci_choose_state(dev, mesg));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -1605,7 +1605,7 @@ static int i810fb_resume(struct pci_dev *dev)
                return 0;
        }
-        acquire_console_sem();
+        console_lock();
        pci_set_power_state(dev, PCI_D0);
        pci_restore_state(dev);
@@ -1621,7 +1621,7 @@ static int i810fb_resume(struct pci_dev *dev)
        fb_set_suspend (info, 0);
        info->fbops->fb_blank(VESA_NO_BLANKING, info);
 fail:
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 /***********************************************************************
diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
index 670ecaa0385a..de366937c933 100644
--- a/drivers/video/jz4740_fb.c
+++ b/drivers/video/jz4740_fb.c
@@ -778,9 +778,9 @@ static int jzfb_suspend(struct device *dev)
 {
        struct jzfb *jzfb = dev_get_drvdata(dev);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(jzfb->fb, 1);
-        release_console_sem();
+        console_unlock();
        mutex_lock(&jzfb->lock);
        if (jzfb->is_enabled)
@@ -800,9 +800,9 @@ static int jzfb_resume(struct device *dev)
                jzfb_enable(jzfb);
        mutex_unlock(&jzfb->lock);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(jzfb->fb, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index cb013919e9ce..7e3a490e8d76 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -1177,9 +1177,9 @@ static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state)
        struct mx3fb_data *mx3fb = platform_get_drvdata(pdev);
        struct mx3fb_info *mx3_fbi = mx3fb->fbi->par;
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(mx3fb->fbi, 1);
-        release_console_sem();
+        console_unlock();
        if (mx3_fbi->blank == FB_BLANK_UNBLANK) {
                sdc_disable_channel(mx3_fbi);
@@ -1202,9 +1202,9 @@ static int mx3fb_resume(struct platform_device *pdev)
                sdc_set_brightness(mx3fb, mx3fb->backlight_level);
        }
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(mx3fb->fbi, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index 62498bd662fc..f838d9e277f0 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -696,6 +696,8 @@ static int nuc900fb_remove(struct platform_device *pdev)
        nuc900fb_stop_lcd(fbinfo);
        msleep(1);
+        unregister_framebuffer(fbinfo);
+        nuc900fb_cpufreq_deregister(fbi);
        nuc900fb_unmap_video_memory(fbinfo);
        iounmap(fbi->io);
@@ -723,7 +725,7 @@ static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state)
        struct fb_info     *fbinfo = platform_get_drvdata(dev);
        struct nuc900fb_info *info = fbinfo->par;
-        nuc900fb_stop_lcd();
+        nuc900fb_stop_lcd(fbinfo);
        msleep(1);
        clk_disable(info->clk);
        return 0;
@@ -740,7 +742,7 @@ static int nuc900fb_resume(struct platform_device *dev)
        msleep(1);
        nuc900fb_init_registers(fbinfo);
-        nuc900fb_activate_var(bfinfo);
+        nuc900fb_activate_var(fbinfo);
        return 0;
 }
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index efe10ff86d63..081dc4745274 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -1057,7 +1057,7 @@ static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg)
        if (mesg.event == PM_EVENT_PRETHAW)
                mesg.event = PM_EVENT_FREEZE;
-        acquire_console_sem();
+        console_lock();
        par->pm_state = mesg.event;
        if (mesg.event & PM_EVENT_SLEEP) {
@@ -1070,7 +1070,7 @@ static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg)
        }
        dev->dev.power.power_state = mesg;
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -1079,7 +1079,7 @@ static int nvidiafb_resume(struct pci_dev *dev)
        struct fb_info *info = pci_get_drvdata(dev);
        struct nvidia_par *par = info->par;
-        acquire_console_sem();
+        console_lock();
        pci_set_power_state(dev, PCI_D0);
        if (par->pm_state != PM_EVENT_FREEZE) {
@@ -1097,7 +1097,7 @@ static int nvidiafb_resume(struct pci_dev *dev)
        nvidiafb_blank(FB_BLANK_UNBLANK, info);
 fail:
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 #else
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 9c0144ee7ae5..65560a1a0439 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -513,9 +513,9 @@ static int ps3fb_release(struct fb_info *info, int user)
        if (atomic_dec_and_test(&ps3fb.f_count)) {
                if (atomic_read(&ps3fb.ext_flip)) {
                        atomic_set(&ps3fb.ext_flip, 0);
-                        if (!try_acquire_console_sem()) {
+                        if (console_trylock()) {
                                ps3fb_sync(info, 0);    /* single buffer */
-                                release_console_sem();
+                                console_unlock();
                        }
                }
        }
@@ -830,14 +830,14 @@ static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
                        if (vmode) {
                                var = info->var;
                                fb_videomode_to_var(&var, vmode);
-                                acquire_console_sem();
+                                console_lock();
                                info->flags |= FBINFO_MISC_USEREVENT;
                                /* Force, in case only special bits changed */
                                var.activate |= FB_ACTIVATE_FORCE;
                                par->new_mode_id = val;
                                retval = fb_set_var(info, &var);
                                info->flags &= ~FBINFO_MISC_USEREVENT;
-                                release_console_sem();
+                                console_unlock();
                        }
                        break;
                }
@@ -881,9 +881,9 @@ static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
                        break;
                dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
-                acquire_console_sem();
+                console_lock();
                retval = ps3fb_sync(info, val);
-                release_console_sem();
+                console_unlock();
                break;
        default:
@@ -903,9 +903,9 @@ static int ps3fbd(void *arg)
                set_current_state(TASK_INTERRUPTIBLE);
                if (ps3fb.is_kicked) {
                        ps3fb.is_kicked = 0;
-                        acquire_console_sem();
+                        console_lock();
                        ps3fb_sync(info, 0);    /* single buffer */
-                        release_console_sem();
+                        console_unlock();
                }
                schedule();
        }
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index cea6403ae71c..35f61dd0cb3a 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -701,16 +701,12 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev)
         */
        pxa168fb_init_mode(info, mi);
-        ret = pxa168fb_check_var(&info->var, info);
-        if (ret)
-                goto failed_free_fbmem;
        /*
         * Fill in sane defaults.
         */
        ret = pxa168fb_check_var(&info->var, info);
        if (ret)
-                goto failed;
+                goto failed_free_fbmem;
        /*
         * enable controller clock
diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c
index b81168df253d..cf4beb9dc9bb 100644
--- a/drivers/video/pxa3xx-gcu.c
+++ b/drivers/video/pxa3xx-gcu.c
@@ -1,5 +1,5 @@
 /*
- *  pxa3xx-gc.c - Linux kernel module for PXA3xx graphics controllers
+ *  pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers
 *
 *  This driver needs a DirectFB counterpart in user space, communication
 *  is handled via mmap()ed memory areas and an ioctl.
@@ -421,7 +421,7 @@ pxa3xx_gcu_misc_write(struct file *filp, const char *buff,
                buffer->next = priv->free;
                priv->free = buffer;
                spin_unlock_irqrestore(&priv->spinlock, flags);
-                return ret;
+                return -EFAULT;
        }
        buffer->length = words;
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index dce8c97b4333..75738a928610 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -22,7 +22,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 #ifdef CONFIG_MTRR
@@ -1113,12 +1113,12 @@ static int s3_pci_suspend(struct pci_dev* dev, pm_message_t state)
        dev_info(info->device, "suspend\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
                mutex_unlock(&(par->open_lock));
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -1129,7 +1129,7 @@ static int s3_pci_suspend(struct pci_dev* dev, pm_message_t state)
        pci_set_power_state(dev, pci_choose_state(dev, state));
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -1145,12 +1145,12 @@ static int s3_pci_resume(struct pci_dev* dev)
        dev_info(info->device, "resume\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if (par->ref_count == 0) {
                mutex_unlock(&(par->open_lock));
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -1159,7 +1159,7 @@ static int s3_pci_resume(struct pci_dev* dev)
        err = pci_enable_device(dev);
        if (err) {
                mutex_unlock(&(par->open_lock));
-                release_console_sem();
+                console_unlock();
                dev_err(info->device, "error %d enabling device for resume\n", err);
                return err;
        }
@@ -1169,7 +1169,7 @@ static int s3_pci_resume(struct pci_dev* dev)
        fb_set_suspend(info, 0);
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index 842d157e1025..487911e2926c 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -2373,7 +2373,7 @@ static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg)
        if (mesg.event == PM_EVENT_FREEZE)
                return 0;
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
        if (info->fbops->fb_sync)
@@ -2385,7 +2385,7 @@ static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg)
        pci_save_state(dev);
        pci_disable_device(dev);
        pci_set_power_state(dev, pci_choose_state(dev, mesg));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -2409,7 +2409,7 @@ static int savagefb_resume(struct pci_dev* dev)
                return 0;
        }
-        acquire_console_sem();
+        console_lock();
        pci_set_power_state(dev, PCI_D0);
        pci_restore_state(dev);
@@ -2423,7 +2423,7 @@ static int savagefb_resume(struct pci_dev* dev)
        savagefb_set_par(info);
        fb_set_suspend(info, 0);
        savagefb_blank(FB_BLANK_UNBLANK, info);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 74d9f546a2e8..2b9e56a6bde4 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -1151,7 +1151,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
                ch = info->par;
-                acquire_console_sem();
+                console_lock();
                /* HDMI plug in */
                if (!sh_hdmi_must_reconfigure(hdmi) &&
@@ -1171,7 +1171,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
                        fb_set_suspend(info, 0);
                }
-                release_console_sem();
+                console_unlock();
        } else {
                ret = 0;
                if (!hdmi->info)
@@ -1181,12 +1181,12 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
                fb_destroy_modedb(hdmi->monspec.modedb);
                hdmi->monspec.modedb = NULL;
-                acquire_console_sem();
+                console_lock();
                /* HDMI disconnect */
                fb_set_suspend(hdmi->info, 1);
-                release_console_sem();
+                console_unlock();
                pm_runtime_put(hdmi->dev);
        }
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index bd4840a8a6b7..bf12e53aed5c 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -912,9 +912,9 @@ static int sh_mobile_release(struct fb_info *info, int user)
        /* Nothing to reconfigure, when called from fbcon */
        if (user) {
-                acquire_console_sem();
+                console_lock();
                sh_mobile_fb_reconfig(info);
-                release_console_sem();
+                console_unlock();
        }
        mutex_unlock(&ch->open_lock);
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index b7dc1800efa9..bcb44a594ebc 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -2010,9 +2010,9 @@ static int sm501fb_suspend_fb(struct sm501fb_info *info,
        /* tell console/fb driver we are suspending */
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(fbi, 1);
-        release_console_sem();
+        console_unlock();
        /* backup copies in case chip is powered down over suspend */
@@ -2069,9 +2069,9 @@ static void sm501fb_resume_fb(struct sm501fb_info *info,
                memcpy_toio(par->cursor.k_addr, par->store_cursor,
                            par->cursor.size);
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(fbi, 0);
-        release_console_sem();
+        console_unlock();
        vfree(par->store_fb);
        vfree(par->store_cursor);
diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
index 6913fe168c25..dfef88c803d4 100644
--- a/drivers/video/tmiofb.c
+++ b/drivers/video/tmiofb.c
@@ -25,7 +25,7 @@
 #include <linux/fb.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-/* Why should fb driver call console functions? because acquire_console_sem() */
+/* Why should fb driver call console functions? because console_lock() */
 #include <linux/console.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
@@ -944,7 +944,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
        struct mfd_cell *cell = dev->dev.platform_data;
        int retval = 0;
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(info, 1);
@@ -965,7 +965,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state)
        if (cell->suspend)
                retval = cell->suspend(dev);
-        release_console_sem();
+        console_unlock();
        return retval;
 }
@@ -976,7 +976,7 @@ static int tmiofb_resume(struct platform_device *dev)
        struct mfd_cell *cell = dev->dev.platform_data;
        int retval = 0;
-        acquire_console_sem();
+        console_lock();
        if (cell->resume) {
                retval = cell->resume(dev);
@@ -992,7 +992,7 @@ static int tmiofb_resume(struct platform_device *dev)
        fb_set_suspend(info, 0);
 out:
-        release_console_sem();
+        console_unlock();
        return retval;
 }
 #else
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 289edd519527..4e66349e4366 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -1674,17 +1674,17 @@ static int parse_mode(const char *str, u32 *xres, u32 *yres)
 #ifdef CONFIG_PM
 static int viafb_suspend(void *unused)
 {
-        acquire_console_sem();
+        console_lock();
        fb_set_suspend(viafbinfo, 1);
        viafb_sync(viafbinfo);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
 static int viafb_resume(void *unused)
 {
-        acquire_console_sem();
+        console_lock();
        if (viaparinfo->shared->vdev->engine_mmio)
                viafb_reset_engine(viaparinfo);
        viafb_set_par(viafbinfo);
@@ -1692,7 +1692,7 @@ static int viafb_resume(void *unused)
                viafb_set_par(viafbinfo1);
        fb_set_suspend(viafbinfo, 0);
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 85d76ec4c63e..a2965ab92cfb 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -23,7 +23,7 @@
 #include <linux/svga.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */
+#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
 #include <video/vga.h>
 #ifdef CONFIG_MTRR
@@ -819,12 +819,12 @@ static int vt8623_pci_suspend(struct pci_dev* dev, pm_message_t state)
        dev_info(info->device, "suspend\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
                mutex_unlock(&(par->open_lock));
-                release_console_sem();
+                console_unlock();
                return 0;
        }
@@ -835,7 +835,7 @@ static int vt8623_pci_suspend(struct pci_dev* dev, pm_message_t state)
        pci_set_power_state(dev, pci_choose_state(dev, state));
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
@@ -850,7 +850,7 @@ static int vt8623_pci_resume(struct pci_dev* dev)
        dev_info(info->device, "resume\n");
-        acquire_console_sem();
+        console_lock();
        mutex_lock(&(par->open_lock));
        if (par->ref_count == 0)
@@ -869,7 +869,7 @@ static int vt8623_pci_resume(struct pci_dev* dev)
 fail:
        mutex_unlock(&(par->open_lock));
-        release_console_sem();
+        console_unlock();
        return 0;
 }
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 3e6934d4bea8..a20218c2fda8 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -491,12 +491,12 @@ xenfb_make_preferred_console(void)
        if (console_set_on_cmdline)
                return;
-        acquire_console_sem();
+        console_lock();
        for_each_console(c) {
                if (!strcmp(c->name, "tty") && c->index == 0)
                        break;
        }
-        release_console_sem();
+        console_unlock();
        if (c) {
                unregister_console(c);
                c->flags |= CON_CONSDEV;
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 7ed36536e754..f1c68629f277 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -297,7 +297,6 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt)
        cifs_sb = CIFS_SB(mntpt->d_inode->i_sb);
        tlink = cifs_sb_tlink(cifs_sb);
-        mnt = ERR_PTR(-EINVAL);
        if (IS_ERR(tlink)) {
                mnt = ERR_CAST(tlink);
                goto free_full_path;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 5bfb75346cb0..edd5b29b53c9 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -166,6 +166,9 @@ struct TCP_Server_Info {
        struct socket *ssocket;
        struct sockaddr_storage dstaddr;
        struct sockaddr_storage srcaddr; /* locally bind to this IP */
+#ifdef CONFIG_NET_NS
+        struct net *net;
+#endif
        wait_queue_head_t response_q;
        wait_queue_head_t request_q; /* if more than maxmpx to srvr must block*/
        struct list_head pending_mid_q;
@@ -217,6 +220,36 @@ struct TCP_Server_Info {
 };
 /*
+ * Macros to allow the TCP_Server_Info->net field and related code to drop out
+ * when CONFIG_NET_NS isn't set.
+ */
+#ifdef CONFIG_NET_NS
+static inline struct net *cifs_net_ns(struct TCP_Server_Info *srv)
+{
+        return srv->net;
+}
+static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net)
+{
+        srv->net = net;
+}
+#else
+static inline struct net *cifs_net_ns(struct TCP_Server_Info *srv)
+{
+        return &init_net;
+}
+static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net)
+{
+}
+#endif
+/*
 * Session structure.  One of these for each uid session with a particular host
 */
 struct cifsSesInfo {
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 18d3c7724d6e..0cc3b81c2e84 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1568,6 +1568,9 @@ cifs_find_tcp_session(struct sockaddr *addr, struct smb_vol *vol)
        spin_lock(&cifs_tcp_ses_lock);
        list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
+                if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns))
+                        continue;
                if (!match_address(server, addr,
                                   (struct sockaddr *)&vol->srcaddr))
                        continue;
@@ -1598,6 +1601,8 @@ cifs_put_tcp_session(struct TCP_Server_Info *server)
                return;
        }
+        put_net(cifs_net_ns(server));
        list_del_init(&server->tcp_ses_list);
        spin_unlock(&cifs_tcp_ses_lock);
@@ -1672,6 +1677,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
                goto out_err;
        }
+        cifs_set_net_ns(tcp_ses, get_net(current->nsproxy->net_ns));
        tcp_ses->hostname = extract_hostname(volume_info->UNC);
        if (IS_ERR(tcp_ses->hostname)) {
                rc = PTR_ERR(tcp_ses->hostname);
@@ -1752,6 +1758,8 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
 out_err_crypto_release:
        cifs_crypto_shash_release(tcp_ses);
+        put_net(cifs_net_ns(tcp_ses));
 out_err:
        if (tcp_ses) {
                if (!IS_ERR(tcp_ses->hostname))
@@ -2263,8 +2271,8 @@ generic_ip_connect(struct TCP_Server_Info *server)
        }
        if (socket == NULL) {
-                rc = sock_create_kern(sfamily, SOCK_STREAM,
+                rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM,
-                                      IPPROTO_TCP, &socket);
+                                   IPPROTO_TCP, &socket, 1);
                if (rc < 0) {
                        cERROR(1, "Error %d creating socket", rc);
                        server->ssocket = NULL;
diff --git a/fs/dcache.c b/fs/dcache.c
index 9f493ee4dcba..2a6bd9a4ae97 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -176,6 +176,7 @@ static void d_free(struct dentry *dentry)
 /**
 * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups
+ * @dentry: the target dentry
 * After this call, in-progress rcu-walk path lookup will fail. This
 * should be called after unhashing, and after changing d_inode (if
 * the dentry has not already been unhashed).
@@ -281,6 +282,7 @@ static void dentry_lru_move_tail(struct dentry *dentry)
 /**
 * d_kill - kill dentry and return parent
 * @dentry: dentry to kill
+ * @parent: parent dentry
 *
 * The dentry must already be unhashed and removed from the LRU.
 *
@@ -1973,7 +1975,7 @@ out:
 /**
 * d_validate - verify dentry provided from insecure source (deprecated)
 * @dentry: The dentry alleged to be valid child of @dparent
- * @parent: The parent dentry (known to be valid)
+ * @dparent: The parent dentry (known to be valid)
 *
 * An insecure source has sent us a dentry, here we verify it and dget() it.
 * This is used by ncpfs in its readdir implementation.
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 0994f6a76c07..58fd707174e1 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -704,7 +704,8 @@ skip_mount_setup:
        sbp[0]->s_state =
                cpu_to_le16(le16_to_cpu(sbp[0]->s_state) & ~NILFS_VALID_FS);
        /* synchronize sbp[1] with sbp[0] */
-        memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+        if (sbp[1])
+                memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
        return nilfs_commit_super(sbi, NILFS_SB_COMMIT_ALL);
 }
diff --git a/fs/proc/consoles.c b/fs/proc/consoles.c
index eafc22ab1fdd..b701eaa482bf 100644
--- a/fs/proc/consoles.c
+++ b/fs/proc/consoles.c
@@ -67,7 +67,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
        struct console *con;
        loff_t off = 0;
-        acquire_console_sem();
+        console_lock();
        for_each_console(con)
                if (off++ == *pos)
                        break;
@@ -84,7 +84,7 @@ static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 static void c_stop(struct seq_file *m, void *v)
 {
-        release_console_sem();
+        console_unlock();
 }
 static const struct seq_operations consoles_op = {
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 2fb2882f0fa7..8ab48bc2fa7d 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -63,6 +63,14 @@ static struct buffer_head *get_block_length(struct super_block *sb,
                *length = (unsigned char) bh->b_data[*offset] |
                        (unsigned char) bh->b_data[*offset + 1] << 8;
                *offset += 2;
+                if (*offset == msblk->devblksize) {
+                        put_bh(bh);
+                        bh = sb_bread(sb, ++(*cur_index));
+                        if (bh == NULL)
+                                return NULL;
+                        *offset = 0;
+                }
        }
        return bh;
diff --git a/fs/squashfs/xz_wrapper.c b/fs/squashfs/xz_wrapper.c
index 856756ca5ee4..c4eb40018256 100644
--- a/fs/squashfs/xz_wrapper.c
+++ b/fs/squashfs/xz_wrapper.c
@@ -95,12 +95,6 @@ static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void **buffer,
                        if (!buffer_uptodate(bh[k]))
                                goto release_mutex;
-                        if (avail == 0) {
-                                offset = 0;
-                                put_bh(bh[k++]);
-                                continue;
-                        }
                        stream->buf.in = bh[k]->b_data + offset;
                        stream->buf.in_size = avail;
                        stream->buf.in_pos = 0;
diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
index 818a5e063faf..4661ae2b1cec 100644
--- a/fs/squashfs/zlib_wrapper.c
+++ b/fs/squashfs/zlib_wrapper.c
@@ -82,12 +82,6 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
                        if (!buffer_uptodate(bh[k]))
                                goto release_mutex;
-                        if (avail == 0) {
-                                offset = 0;
-                                put_bh(bh[k++]);
-                                continue;
-                        }
                        stream->next_in = bh[k]->b_data + offset;
                        stream->avail_in = avail;
                        offset = 0;
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 68649336c4ad..6ebb81030d2d 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -364,6 +364,13 @@
                VMLINUX_SYMBOL(__start___param) = .;                    \
                *(__param)                                              \
                VMLINUX_SYMBOL(__stop___param) = .;                     \
+        }                                                               \
+                                                                        \
+        /* Built-in module versions. */                                 \
+        __modver : AT(ADDR(__modver) - LOAD_OFFSET) {                   \
+                VMLINUX_SYMBOL(__start___modver) = .;                   \
+                *(__modver)                                             \
+                VMLINUX_SYMBOL(__stop___modver) = .;                    \
                . = ALIGN((align));                                     \
                VMLINUX_SYMBOL(__end_rodata) = .;                       \
        }                                                               \
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index e95a86b8b689..e5c607a02d57 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -907,6 +907,7 @@ struct drm_radeon_cs {
 #define RADEON_INFO_TILING_CONFIG       0x06
 #define RADEON_INFO_WANT_HYPERZ         0x07
 #define RADEON_INFO_WANT_CMASK          0x08 /* get access to CMASK on r300 */
+#define RADEON_INFO_CLOCK_CRYSTAL_FREQ  0x09 /* clock crystal frequency */
 struct drm_radeon_info {
        uint32_t                request;
diff --git a/include/linux/console.h b/include/linux/console.h
index 9774fe6a1a97..7453cfd593c8 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -139,9 +139,9 @@ extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_n
 extern void register_console(struct console *);
 extern int unregister_console(struct console *);
 extern struct console *console_drivers;
-extern void acquire_console_sem(void);
+extern void console_lock(void);
-extern int try_acquire_console_sem(void);
+extern int console_trylock(void);
-extern void release_console_sem(void);
+extern void console_unlock(void);
 extern void console_conditional_schedule(void);
 extern void console_unblank(void);
 extern struct tty_driver *console_device(int *);
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index a3b148a91874..0b84c61607e8 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -249,7 +249,7 @@ static inline enum zone_type gfp_zone(gfp_t flags)
                                         ((1 << ZONES_SHIFT) - 1);
        if (__builtin_constant_p(bit))
-                MAYBE_BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
+                BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
        else {
 #ifdef CONFIG_DEBUG_VM
                BUG_ON((GFP_ZONE_BAD >> bit) & 1);
diff --git a/include/linux/input/bu21013.h b/include/linux/input/bu21013.h
index e470d387dd49..05e03284b92a 100644
--- a/include/linux/input/bu21013.h
+++ b/include/linux/input/bu21013.h
@@ -12,8 +12,6 @@
 * @cs_en:      pointer to the cs enable function
 * @cs_dis:     pointer to the cs disable function
 * @irq_read_val:    pointer to read the pen irq value function
- * @x_max_res: xmax resolution
- * @y_max_res: ymax resolution
 * @touch_x_max: touch x max
 * @touch_y_max: touch y max
 * @cs_pin: chip select pin
@@ -29,8 +27,6 @@ struct bu21013_platform_device {
        int (*cs_en)(int reset_pin);
        int (*cs_dis)(int reset_pin);
        int (*irq_read_val)(void);
-        int x_max_res;
-        int y_max_res;
        int touch_x_max;
        int touch_y_max;
        unsigned int cs_pin;
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d07d8057e440..e2f4d6af2125 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -575,12 +575,6 @@ struct sysinfo {
        char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
 };
-/* Force a compilation error if condition is true */
-#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition))
-/* Force a compilation error if condition is constant and true */
-#define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
 /* Force a compilation error if a constant expression is not a power of 2 */
 #define BUILD_BUG_ON_NOT_POWER_OF_2(n)                  \
        BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
@@ -592,6 +586,32 @@ struct sysinfo {
 #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
 #define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
+/**
+ * BUILD_BUG_ON - break compile if a condition is true.
+ * @cond: the condition which the compiler should know is false.
+ *
+ * If you have some code which relies on certain constants being equal, or
+ * other compile-time-evaluated condition, you should use BUILD_BUG_ON to
+ * detect if someone changes it.
+ *
+ * The implementation uses gcc's reluctance to create a negative array, but
+ * gcc (as of 4.4) only emits that error for obvious cases (eg. not arguments
+ * to inline functions).  So as a fallback we use the optimizer; if it can't
+ * prove the condition is false, it will cause a link error on the undefined
+ * "__build_bug_on_failed".  This error message can be harder to track down
+ * though, hence the two different methods.
+ */
+#ifndef __OPTIMIZE__
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+#else
+extern int __build_bug_on_failed;
+#define BUILD_BUG_ON(condition)                                 \
+        do {                                                    \
+                ((void)sizeof(char[1 - 2*!!(condition)]));      \
+                if (condition) __build_bug_on_failed = 1;       \
+        } while(0)
+#endif
 /* Trap pasters of __FUNCTION__ at compile-time */
 #define __FUNCTION__ (__func__)
diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h
index 08d7dc4ddf40..39f8453239f7 100644
--- a/include/linux/kmemcheck.h
+++ b/include/linux/kmemcheck.h
@@ -76,7 +76,7 @@ bool kmemcheck_is_obj_initialized(unsigned long addr, size_t size);
                                                                        \
                _n = (long) &((ptr)->name##_end)                        \
                        - (long) &((ptr)->name##_begin);                \
-                MAYBE_BUILD_BUG_ON(_n < 0);                             \
+                BUILD_BUG_ON(_n < 0);                                   \
                                                                        \
                kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \
        } while (0)
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index bf173502d744..38d393092812 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -94,12 +94,12 @@ struct sh_mmcif_plat_data {
 static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
 {
-        return readl(addr + reg);
+        return __raw_readl(addr + reg);
 }
 static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
 {
-        writel(val, addr + reg);
+        __raw_writel(val, addr + reg);
 }
 #define SH_MMCIF_BBS 512 /* boot block size */
diff --git a/include/linux/module.h b/include/linux/module.h
index 8b17fd8c790d..e7c6385c6683 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -58,6 +58,12 @@ struct module_attribute {
        void (*free)(struct module *);
 };
+struct module_version_attribute {
+        struct module_attribute mattr;
+        const char *module_name;
+        const char *version;
+};
 struct module_kobject
 {
        struct kobject kobj;
@@ -161,7 +167,28 @@ extern struct module __this_module;
  Using this automatically adds a checksum of the .c files and the
  local headers in "srcversion".
 */
+#if defined(MODULE) || !defined(CONFIG_SYSFS)
 #define MODULE_VERSION(_version) MODULE_INFO(version, _version)
+#else
+#define MODULE_VERSION(_version)                                        \
+        extern ssize_t __modver_version_show(struct module_attribute *, \
+                                             struct module *, char *);  \
+        static struct module_version_attribute __modver_version_attr    \
+        __used                                                          \
+    __attribute__ ((__section__ ("__modver"),aligned(sizeof(void *)))) \
+        = {                                                             \
+                .mattr  = {                                             \
+                        .attr   = {                                     \
+                                .name   = "version",                    \
+                                .mode   = S_IRUGO,                      \
+                        },                                              \
+                        .show   = __modver_version_show,                \
+                },                                                      \
+                .module_name    = KBUILD_MODNAME,                       \
+                .version        = _version,                             \
+        }
+#endif
 /* Optional firmware file (or files) needed by the module
 * format is simply firmware file name.  Multiple firmware
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 112adf8bd47d..07b41951e3fa 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -16,15 +16,17 @@
 /* Chosen so that structs with an unsigned long line up. */
 #define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
-#ifdef MODULE
 #define ___module_cat(a,b) __mod_ ## a ## b
 #define __module_cat(a,b) ___module_cat(a,b)
+#ifdef MODULE
 #define __MODULE_INFO(tag, name, info)                                    \
 static const char __module_cat(name,__LINE__)[]                           \
  __used __attribute__((section(".modinfo"), unused, aligned(1)))         \
  = __stringify(tag) "=" info
 #else  /* !MODULE */
-#define __MODULE_INFO(tag, name, info)
+/* This struct is here for syntactic coherency, it is not used */
+#define __MODULE_INFO(tag, name, info)                                    \
+  struct __module_cat(name,__LINE__) {}
 #endif
 #define __MODULE_PARM_TYPE(name, _type)                                   \
  __MODULE_INFO(parmtype, name##type, #name ":" _type)
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 3c995b4d742c..a0b639f8e805 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -235,8 +235,6 @@ extern int rtc_irq_set_freq(struct rtc_device *rtc,
                                struct rtc_task *task, int freq);
 extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled);
 extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
-extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
-                                                unsigned int enabled);
 void rtc_aie_update_irq(void *private);
 void rtc_uie_update_irq(void *private);
@@ -246,8 +244,6 @@ int rtc_register(rtc_task_t *task);
 int rtc_unregister(rtc_task_t *task);
 int rtc_control(rtc_task_t *t, unsigned int cmd, unsigned long arg);
-void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer);
-void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer);
 void rtc_timer_init(struct rtc_timer *timer, void (*f)(void* p), void* data);
 int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer* timer,
                        ktime_t expires, ktime_t period);
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 387fa7d05c98..7faf933cced7 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -17,6 +17,9 @@
 #include <linux/errno.h>
 #include <linux/types.h>
+/* Enable/disable SYSRQ support by default (0==no, 1==yes). */
+#define SYSRQ_DEFAULT_ENABLE    1
 /* Possible values of bitmask for enabling sysrq functions */
 /* 0x0001 is reserved for enable everything */
 #define SYSRQ_ENABLE_LOG        0x0002
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 0093dd7c1d6f..800617b4ddd5 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -109,7 +109,10 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev,
                                      unsigned int fbit)
 {
        /* Did you forget to fix assumptions on max features? */
-        MAYBE_BUILD_BUG_ON(fbit >= 32);
+        if (__builtin_constant_p(fbit))
+                BUILD_BUG_ON(fbit >= 32);
+        else
+                BUG_ON(fbit >= 32);
        if (fbit < VIRTIO_TRANSPORT_F_START)
                virtio_check_driver_offered_feature(vdev, fbit);
diff --git a/kernel/futex.c b/kernel/futex.c
index b766d28accd6..64c38115c7b6 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1556,10 +1556,10 @@ static int fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
        /*
         * We are here either because we stole the rtmutex from the
-         * pending owner or we are the pending owner which failed to
+         * previous highest priority waiter or we are the highest priority
-         * get the rtmutex. We have to replace the pending owner TID
+         * waiter but failed to get the rtmutex the first time.
-         * in the user space variable. This must be atomic as we have
+         * We have to replace the newowner TID in the user space variable.
-         * to preserve the owner died bit here.
+         * This must be atomic as we have to preserve the owner died bit here.
         *
         * Note: We write the user space value _before_ changing the pi_state
         * because we can fault here. Imagine swapped out pages or a fork
@@ -1608,8 +1608,8 @@ retry:
        /*
         * To handle the page fault we need to drop the hash bucket
-         * lock here. That gives the other task (either the pending
+         * lock here. That gives the other task (either the highest priority
-         * owner itself or the task which stole the rtmutex) the
+         * waiter itself or the task which stole the rtmutex) the
         * chance to try the fixup of the pi_state. So once we are
         * back from handling the fault we need to check the pi_state
         * after reacquiring the hash bucket lock and before trying to
@@ -1685,18 +1685,20 @@ static int fixup_owner(u32 __user *uaddr, struct futex_q *q, int locked)
                /*
                 * pi_state is incorrect, some other task did a lock steal and
                 * we returned due to timeout or signal without taking the
-                 * rt_mutex. Too late. We can access the rt_mutex_owner without
+                 * rt_mutex. Too late.
-                 * locking, as the other task is now blocked on the hash bucket
-                 * lock. Fix the state up.
                 */
+                raw_spin_lock(&q->pi_state->pi_mutex.wait_lock);
                owner = rt_mutex_owner(&q->pi_state->pi_mutex);
+                if (!owner)
+                        owner = rt_mutex_next_owner(&q->pi_state->pi_mutex);
+                raw_spin_unlock(&q->pi_state->pi_mutex.wait_lock);
                ret = fixup_pi_state_owner(uaddr, q, owner);
                goto out;
        }
        /*
         * Paranoia check. If we did not take the lock, then we should not be
-         * the owner, nor the pending owner, of the rt_mutex.
+         * the owner of the rt_mutex.
         */
        if (rt_mutex_owner(&q->pi_state->pi_mutex) == current)
                printk(KERN_ERR "fixup_owner: ret = %d pi-mutex: %p "
diff --git a/kernel/params.c b/kernel/params.c
index 08107d181758..0da1411222b9 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -719,9 +719,7 @@ void destroy_params(const struct kernel_param *params, unsigned num)
                        params[i].ops->free(params[i].arg);
 }
-static void __init kernel_add_sysfs_param(const char *name,
+static struct module_kobject * __init locate_module_kobject(const char *name)
-                                          struct kernel_param *kparam,
-                                          unsigned int name_skip)
 {
        struct module_kobject *mk;
        struct kobject *kobj;
@@ -729,10 +727,7 @@ static void __init kernel_add_sysfs_param(const char *name,
        kobj = kset_find_obj(module_kset, name);
        if (kobj) {
-                /* We already have one.  Remove params so we can add more. */
                mk = to_module_kobject(kobj);
-                /* We need to remove it before adding parameters. */
-                sysfs_remove_group(&mk->kobj, &mk->mp->grp);
        } else {
                mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
                BUG_ON(!mk);
@@ -743,15 +738,36 @@ static void __init kernel_add_sysfs_param(const char *name,
                                           "%s", name);
                if (err) {
                        kobject_put(&mk->kobj);
-                        printk(KERN_ERR "Module '%s' failed add to sysfs, "
+                        printk(KERN_ERR
-                               "error number %d\n", name, err);
+                                "Module '%s' failed add to sysfs, error number %d\n",
-                        printk(KERN_ERR "The system will be unstable now.\n");
+                                name, err);
-                        return;
+                        printk(KERN_ERR
+                                "The system will be unstable now.\n");
+                        return NULL;
                }
-                /* So that exit path is even. */
+                /* So that we hold reference in both cases. */
                kobject_get(&mk->kobj);
        }
+        return mk;
+}
+static void __init kernel_add_sysfs_param(const char *name,
+                                          struct kernel_param *kparam,
+                                          unsigned int name_skip)
+{
+        struct module_kobject *mk;
+        int err;
+        mk = locate_module_kobject(name);
+        if (!mk)
+                return;
+        /* We need to remove old parameters before adding more. */
+        if (mk->mp)
+                sysfs_remove_group(&mk->kobj, &mk->mp->grp);
        /* These should not fail at boot. */
        err = add_sysfs_param(mk, kparam, kparam->name + name_skip);
        BUG_ON(err);
@@ -796,6 +812,32 @@ static void __init param_sysfs_builtin(void)
        }
 }
+ssize_t __modver_version_show(struct module_attribute *mattr,
+                              struct module *mod, char *buf)
+{
+        struct module_version_attribute *vattr =
+                container_of(mattr, struct module_version_attribute, mattr);
+        return sprintf(buf, "%s\n", vattr->version);
+}
+extern struct module_version_attribute __start___modver[], __stop___modver[];
+static void __init version_sysfs_builtin(void)
+{
+        const struct module_version_attribute *vattr;
+        struct module_kobject *mk;
+        int err;
+        for (vattr = __start___modver; vattr < __stop___modver; vattr++) {
+                mk = locate_module_kobject(vattr->module_name);
+                if (mk) {
+                        err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);
+                        kobject_uevent(&mk->kobj, KOBJ_ADD);
+                        kobject_put(&mk->kobj);
+                }
+        }
+}
 /* module-related sysfs stuff */
@@ -875,6 +917,7 @@ static int __init param_sysfs_init(void)
        }
        module_sysfs_initialized = 1;
+        version_sysfs_builtin();
        param_sysfs_builtin();
        return 0;
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 84522c796987..126a302c481c 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2201,13 +2201,6 @@ find_lively_task_by_vpid(pid_t vpid)
        if (!task)
                return ERR_PTR(-ESRCH);
-        /*
-         * Can't attach events to a dying task.
-         */
-        err = -ESRCH;
-        if (task->flags & PF_EXITING)
-                goto errout;
        /* Reuse ptrace permission checks for now. */
        err = -EACCES;
        if (!ptrace_may_access(task, PTRACE_MODE_READ))
@@ -2268,14 +2261,27 @@ retry:
                get_ctx(ctx);
-                if (cmpxchg(&task->perf_event_ctxp[ctxn], NULL, ctx)) {
+                err = 0;
-                        /*
+                mutex_lock(&task->perf_event_mutex);
-                         * We raced with some other task; use
+                /*
-                         * the context they set.
+                 * If it has already passed perf_event_exit_task().
-                         */
+                 * we must see PF_EXITING, it takes this mutex too.
+                 */
+                if (task->flags & PF_EXITING)
+                        err = -ESRCH;
+                else if (task->perf_event_ctxp[ctxn])
+                        err = -EAGAIN;
+                else
+                        rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx);
+                mutex_unlock(&task->perf_event_mutex);
+                if (unlikely(err)) {
                        put_task_struct(task);
                        kfree(ctx);
-                        goto retry;
+                        if (err == -EAGAIN)
+                                goto retry;
+                        goto errout;
                }
        }
@@ -5374,6 +5380,8 @@ free_dev:
        goto out;
 }
+static struct lock_class_key cpuctx_mutex;
 int perf_pmu_register(struct pmu *pmu, char *name, int type)
 {
        int cpu, ret;
@@ -5422,6 +5430,7 @@ skip_type:
                cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu);
                __perf_event_init_context(&cpuctx->ctx);
+                lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex);
                cpuctx->ctx.type = cpu_context;
                cpuctx->ctx.pmu = pmu;
                cpuctx->jiffies_interval = 1;
@@ -6127,7 +6136,7 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
         * scheduled, so we are now safe from rescheduling changing
         * our context.
         */
-        child_ctx = child->perf_event_ctxp[ctxn];
+        child_ctx = rcu_dereference_raw(child->perf_event_ctxp[ctxn]);
        task_ctx_sched_out(child_ctx, EVENT_ALL);
        /*
@@ -6440,11 +6449,6 @@ int perf_event_init_context(struct task_struct *child, int ctxn)
        unsigned long flags;
        int ret = 0;
-        child->perf_event_ctxp[ctxn] = NULL;
-        mutex_init(&child->perf_event_mutex);
-        INIT_LIST_HEAD(&child->perf_event_list);
        if (likely(!parent->perf_event_ctxp[ctxn]))
                return 0;
@@ -6533,6 +6537,10 @@ int perf_event_init_task(struct task_struct *child)
 {
        int ctxn, ret;
+        memset(child->perf_event_ctxp, 0, sizeof(child->perf_event_ctxp));
+        mutex_init(&child->perf_event_mutex);
+        INIT_LIST_HEAD(&child->perf_event_list);
        for_each_task_context_nr(ctxn) {
                ret = perf_event_init_context(child, ctxn);
                if (ret)
diff --git a/kernel/printk.c b/kernel/printk.c
index 53d9a9ec88e6..2ddbdc73aade 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -97,7 +97,7 @@ static int console_locked, console_suspended;
 /*
 * logbuf_lock protects log_buf, log_start, log_end, con_start and logged_chars
 * It is also used in interesting ways to provide interlocking in
- * release_console_sem().
+ * console_unlock();.
 */
 static DEFINE_SPINLOCK(logbuf_lock);
@@ -501,7 +501,7 @@ static void _call_console_drivers(unsigned start,
 /*
 * Call the console drivers, asking them to write out
 * log_buf[start] to log_buf[end - 1].
- * The console_sem must be held.
+ * The console_lock must be held.
 */
 static void call_console_drivers(unsigned start, unsigned end)
 {
@@ -604,11 +604,11 @@ static int have_callable_console(void)
 *
 * This is printk().  It can be called from any context.  We want it to work.
 *
- * We try to grab the console_sem.  If we succeed, it's easy - we log the output and
+ * We try to grab the console_lock.  If we succeed, it's easy - we log the output and
 * call the console drivers.  If we fail to get the semaphore we place the output
 * into the log buffer and return.  The current holder of the console_sem will
- * notice the new output in release_console_sem() and will send it to the
+ * notice the new output in console_unlock(); and will send it to the
- * consoles before releasing the semaphore.
+ * consoles before releasing the lock.
 *
 * One effect of this deferred printing is that code which calls printk() and
 * then changes console_loglevel may break. This is because console_loglevel
@@ -659,19 +659,19 @@ static inline int can_use_console(unsigned int cpu)
 /*
 * Try to get console ownership to actually show the kernel
 * messages from a 'printk'. Return true (and with the
- * console_semaphore held, and 'console_locked' set) if it
+ * console_lock held, and 'console_locked' set) if it
 * is successful, false otherwise.
 *
 * This gets called with the 'logbuf_lock' spinlock held and
 * interrupts disabled. It should return with 'lockbuf_lock'
 * released but interrupts still disabled.
 */
-static int acquire_console_semaphore_for_printk(unsigned int cpu)
+static int console_trylock_for_printk(unsigned int cpu)
        __releases(&logbuf_lock)
 {
        int retval = 0;
-        if (!try_acquire_console_sem()) {
+        if (console_trylock()) {
                retval = 1;
                /*
@@ -827,12 +827,12 @@ asmlinkage int vprintk(const char *fmt, va_list args)
         * actual magic (print out buffers, wake up klogd,
         * etc). 
         *
-         * The acquire_console_semaphore_for_printk() function
+         * The console_trylock_for_printk() function
         * will release 'logbuf_lock' regardless of whether it
         * actually gets the semaphore or not.
         */
-        if (acquire_console_semaphore_for_printk(this_cpu))
+        if (console_trylock_for_printk(this_cpu))
-                release_console_sem();
+                console_unlock();
        lockdep_on();
 out_restore_irqs:
@@ -993,7 +993,7 @@ void suspend_console(void)
        if (!console_suspend_enabled)
                return;
        printk("Suspending console(s) (use no_console_suspend to debug)\n");
-        acquire_console_sem();
+        console_lock();
        console_suspended = 1;
        up(&console_sem);
 }
@@ -1004,7 +1004,7 @@ void resume_console(void)
                return;
        down(&console_sem);
        console_suspended = 0;
-        release_console_sem();
+        console_unlock();
 }
 /**
@@ -1027,21 +1027,21 @@ static int __cpuinit console_cpu_notify(struct notifier_block *self,
        case CPU_DYING:
        case CPU_DOWN_FAILED:
        case CPU_UP_CANCELED:
-                acquire_console_sem();
+                console_lock();
-                release_console_sem();
+                console_unlock();
        }
        return NOTIFY_OK;
 }
 /**
- * acquire_console_sem - lock the console system for exclusive use.
+ * console_lock - lock the console system for exclusive use.
 *
- * Acquires a semaphore which guarantees that the caller has
+ * Acquires a lock which guarantees that the caller has
 * exclusive access to the console system and the console_drivers list.
 *
 * Can sleep, returns nothing.
 */
-void acquire_console_sem(void)
+void console_lock(void)
 {
        BUG_ON(in_interrupt());
        down(&console_sem);
@@ -1050,21 +1050,29 @@ void acquire_console_sem(void)
        console_locked = 1;
        console_may_schedule = 1;
 }
-EXPORT_SYMBOL(acquire_console_sem);
+EXPORT_SYMBOL(console_lock);
-int try_acquire_console_sem(void)
+/**
+ * console_trylock - try to lock the console system for exclusive use.
+ *
+ * Tried to acquire a lock which guarantees that the caller has
+ * exclusive access to the console system and the console_drivers list.
+ *
+ * returns 1 on success, and 0 on failure to acquire the lock.
+ */
+int console_trylock(void)
 {
        if (down_trylock(&console_sem))
-                return -1;
+                return 0;
        if (console_suspended) {
                up(&console_sem);
-                return -1;
+                return 0;
        }
        console_locked = 1;
        console_may_schedule = 0;
-        return 0;
+        return 1;
 }
-EXPORT_SYMBOL(try_acquire_console_sem);
+EXPORT_SYMBOL(console_trylock);
 int is_console_locked(void)
 {
@@ -1095,20 +1103,20 @@ void wake_up_klogd(void)
 }
 /**
- * release_console_sem - unlock the console system
+ * console_unlock - unlock the console system
 *
- * Releases the semaphore which the caller holds on the console system
+ * Releases the console_lock which the caller holds on the console system
 * and the console driver list.
 *
- * While the semaphore was held, console output may have been buffered
+ * While the console_lock was held, console output may have been buffered
- * by printk().  If this is the case, release_console_sem() emits
+ * by printk().  If this is the case, console_unlock(); emits
- * the output prior to releasing the semaphore.
+ * the output prior to releasing the lock.
 *
 * If there is output waiting for klogd, we wake it up.
 *
- * release_console_sem() may be called from any context.
+ * console_unlock(); may be called from any context.
 */
-void release_console_sem(void)
+void console_unlock(void)
 {
        unsigned long flags;
        unsigned _con_start, _log_end;
@@ -1141,7 +1149,7 @@ void release_console_sem(void)
        if (wake_klogd)
                wake_up_klogd();
 }
-EXPORT_SYMBOL(release_console_sem);
+EXPORT_SYMBOL(console_unlock);
 /**
 * console_conditional_schedule - yield the CPU if required
@@ -1150,7 +1158,7 @@ EXPORT_SYMBOL(release_console_sem);
 * if this CPU should yield the CPU to another task, do
 * so here.
 *
- * Must be called within acquire_console_sem().
+ * Must be called within console_lock();.
 */
 void __sched console_conditional_schedule(void)
 {
@@ -1171,14 +1179,14 @@ void console_unblank(void)
                if (down_trylock(&console_sem) != 0)
                        return;
        } else
-                acquire_console_sem();
+                console_lock();
        console_locked = 1;
        console_may_schedule = 0;
        for_each_console(c)
                if ((c->flags & CON_ENABLED) && c->unblank)
                        c->unblank();
-        release_console_sem();
+        console_unlock();
 }
 /*
@@ -1189,7 +1197,7 @@ struct tty_driver *console_device(int *index)
        struct console *c;
        struct tty_driver *driver = NULL;
-        acquire_console_sem();
+        console_lock();
        for_each_console(c) {
                if (!c->device)
                        continue;
@@ -1197,7 +1205,7 @@ struct tty_driver *console_device(int *index)
                if (driver)
                        break;
        }
-        release_console_sem();
+        console_unlock();
        return driver;
 }
@@ -1208,17 +1216,17 @@ struct tty_driver *console_device(int *index)
 */
 void console_stop(struct console *console)
 {
-        acquire_console_sem();
+        console_lock();
        console->flags &= ~CON_ENABLED;
-        release_console_sem();
+        console_unlock();
 }
 EXPORT_SYMBOL(console_stop);
 void console_start(struct console *console)
 {
-        acquire_console_sem();
+        console_lock();
        console->flags |= CON_ENABLED;
-        release_console_sem();
+        console_unlock();
 }
 EXPORT_SYMBOL(console_start);
@@ -1340,7 +1348,7 @@ void register_console(struct console *newcon)
         *      Put this console in the list - keep the
         *      preferred driver at the head of the list.
         */
-        acquire_console_sem();
+        console_lock();
        if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {
                newcon->next = console_drivers;
                console_drivers = newcon;
@@ -1352,14 +1360,14 @@ void register_console(struct console *newcon)
        }
        if (newcon->flags & CON_PRINTBUFFER) {
                /*
-                 * release_console_sem() will print out the buffered messages
+                 * console_unlock(); will print out the buffered messages
                 * for us.
                 */
                spin_lock_irqsave(&logbuf_lock, flags);
                con_start = log_start;
                spin_unlock_irqrestore(&logbuf_lock, flags);
        }
-        release_console_sem();
+        console_unlock();
        console_sysfs_notify();
        /*
@@ -1396,7 +1404,7 @@ int unregister_console(struct console *console)
                return braille_unregister_console(console);
 #endif
-        acquire_console_sem();
+        console_lock();
        if (console_drivers == console) {
                console_drivers=console->next;
                res = 0;
@@ -1418,7 +1426,7 @@ int unregister_console(struct console *console)
        if (console_drivers != NULL && console->flags & CON_CONSDEV)
                console_drivers->flags |= CON_CONSDEV;
-        release_console_sem();
+        console_unlock();
        console_sysfs_notify();
        return res;
 }
diff --git a/kernel/rtmutex-debug.c b/kernel/rtmutex-debug.c
index ddabb54bb5c8..3c7cbc2c33be 100644
--- a/kernel/rtmutex-debug.c
+++ b/kernel/rtmutex-debug.c
@@ -215,7 +215,6 @@ void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter)
        put_pid(waiter->deadlock_task_pid);
        TRACE_WARN_ON(!plist_node_empty(&waiter->list_entry));
        TRACE_WARN_ON(!plist_node_empty(&waiter->pi_list_entry));
-        TRACE_WARN_ON(waiter->task);
        memset(waiter, 0x22, sizeof(*waiter));
 }
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index a9604815786a..ab449117aaf2 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -20,41 +20,34 @@
 /*
 * lock->owner state tracking:
 *
- * lock->owner holds the task_struct pointer of the owner. Bit 0 and 1
+ * lock->owner holds the task_struct pointer of the owner. Bit 0
- * are used to keep track of the "owner is pending" and "lock has
+ * is used to keep track of the "lock has waiters" state.
- * waiters" state.
 *
- * owner        bit1    bit0
+ * owner        bit0
- * NULL         0       0       lock is free (fast acquire possible)
+ * NULL         0       lock is free (fast acquire possible)
- * NULL         0       1       invalid state
+ * NULL         1       lock is free and has waiters and the top waiter
- * NULL         1       0       Transitional State*
+ *                              is going to take the lock*
- * NULL         1       1       invalid state
+ * taskpointer  0       lock is held (fast release possible)
- * taskpointer  0       0       lock is held (fast release possible)
+ * taskpointer  1       lock is held and has waiters**
- * taskpointer  0       1       task is pending owner
- * taskpointer  1       0       lock is held and has waiters
- * taskpointer  1       1       task is pending owner and lock has more waiters
- *
- * Pending ownership is assigned to the top (highest priority)
- * waiter of the lock, when the lock is released. The thread is woken
- * up and can now take the lock. Until the lock is taken (bit 0
- * cleared) a competing higher priority thread can steal the lock
- * which puts the woken up thread back on the waiters list.
 *
 * The fast atomic compare exchange based acquire and release is only
- * possible when bit 0 and 1 of lock->owner are 0.
+ * possible when bit 0 of lock->owner is 0.
+ *
+ * (*) It also can be a transitional state when grabbing the lock
+ * with ->wait_lock is held. To prevent any fast path cmpxchg to the lock,
+ * we need to set the bit0 before looking at the lock, and the owner may be
+ * NULL in this small time, hence this can be a transitional state.
 *
- * (*) There's a small time where the owner can be NULL and the
+ * (**) There is a small time when bit 0 is set but there are no
- * "lock has waiters" bit is set.  This can happen when grabbing the lock.
+ * waiters. This can happen when grabbing the lock in the slow path.
- * To prevent a cmpxchg of the owner releasing the lock, we need to set this
+ * To prevent a cmpxchg of the owner releasing the lock, we need to
- * bit before looking at the lock, hence the reason this is a transitional
+ * set this bit before looking at the lock.
- * state.
 */
 static void
-rt_mutex_set_owner(struct rt_mutex *lock, struct task_struct *owner,
+rt_mutex_set_owner(struct rt_mutex *lock, struct task_struct *owner)
-                   unsigned long mask)
 {
-        unsigned long val = (unsigned long)owner | mask;
+        unsigned long val = (unsigned long)owner;
        if (rt_mutex_has_waiters(lock))
                val |= RT_MUTEX_HAS_WAITERS;
@@ -203,15 +196,14 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
         * reached or the state of the chain has changed while we
         * dropped the locks.
         */
-        if (!waiter || !waiter->task)
+        if (!waiter)
                goto out_unlock_pi;
        /*
         * Check the orig_waiter state. After we dropped the locks,
-         * the previous owner of the lock might have released the lock
+         * the previous owner of the lock might have released the lock.
-         * and made us the pending owner:
         */
-        if (orig_waiter && !orig_waiter->task)
+        if (orig_waiter && !rt_mutex_owner(orig_lock))
                goto out_unlock_pi;
        /*
@@ -254,6 +246,17 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
        /* Release the task */
        raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+        if (!rt_mutex_owner(lock)) {
+                /*
+                 * If the requeue above changed the top waiter, then we need
+                 * to wake the new top waiter up to try to get the lock.
+                 */
+                if (top_waiter != rt_mutex_top_waiter(lock))
+                        wake_up_process(rt_mutex_top_waiter(lock)->task);
+                raw_spin_unlock(&lock->wait_lock);
+                goto out_put_task;
+        }
        put_task_struct(task);
        /* Grab the next task */
@@ -296,78 +299,16 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
 }
 /*
- * Optimization: check if we can steal the lock from the
- * assigned pending owner [which might not have taken the
- * lock yet]:
- */
-static inline int try_to_steal_lock(struct rt_mutex *lock,
-                                    struct task_struct *task)
-{
-        struct task_struct *pendowner = rt_mutex_owner(lock);
-        struct rt_mutex_waiter *next;
-        unsigned long flags;
-        if (!rt_mutex_owner_pending(lock))
-                return 0;
-        if (pendowner == task)
-                return 1;
-        raw_spin_lock_irqsave(&pendowner->pi_lock, flags);
-        if (task->prio >= pendowner->prio) {
-                raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags);
-                return 0;
-        }
-        /*
-         * Check if a waiter is enqueued on the pending owners
-         * pi_waiters list. Remove it and readjust pending owners
-         * priority.
-         */
-        if (likely(!rt_mutex_has_waiters(lock))) {
-                raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags);
-                return 1;
-        }
-        /* No chain handling, pending owner is not blocked on anything: */
-        next = rt_mutex_top_waiter(lock);
-        plist_del(&next->pi_list_entry, &pendowner->pi_waiters);
-        __rt_mutex_adjust_prio(pendowner);
-        raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags);
-        /*
-         * We are going to steal the lock and a waiter was
-         * enqueued on the pending owners pi_waiters queue. So
-         * we have to enqueue this waiter into
-         * task->pi_waiters list. This covers the case,
-         * where task is boosted because it holds another
-         * lock and gets unboosted because the booster is
-         * interrupted, so we would delay a waiter with higher
-         * priority as task->normal_prio.
-         *
-         * Note: in the rare case of a SCHED_OTHER task changing
-         * its priority and thus stealing the lock, next->task
-         * might be task:
-         */
-        if (likely(next->task != task)) {
-                raw_spin_lock_irqsave(&task->pi_lock, flags);
-                plist_add(&next->pi_list_entry, &task->pi_waiters);
-                __rt_mutex_adjust_prio(task);
-                raw_spin_unlock_irqrestore(&task->pi_lock, flags);
-        }
-        return 1;
-}
-/*
 * Try to take an rt-mutex
 *
- * This fails
- * - when the lock has a real owner
- * - when a different pending owner exists and has higher priority than current
- *
 * Must be called with lock->wait_lock held.
+ *
+ * @lock:   the lock to be acquired.
+ * @task:   the task which wants to acquire the lock
+ * @waiter: the waiter that is queued to the lock's wait list. (could be NULL)
 */
-static int try_to_take_rt_mutex(struct rt_mutex *lock)
+static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,
+                struct rt_mutex_waiter *waiter)
 {
        /*
         * We have to be careful here if the atomic speedups are
@@ -390,15 +331,52 @@ static int try_to_take_rt_mutex(struct rt_mutex *lock)
         */
        mark_rt_mutex_waiters(lock);
-        if (rt_mutex_owner(lock) && !try_to_steal_lock(lock, current))
+        if (rt_mutex_owner(lock))
                return 0;
+        /*
+         * It will get the lock because of one of these conditions:
+         * 1) there is no waiter
+         * 2) higher priority than waiters
+         * 3) it is top waiter
+         */
+        if (rt_mutex_has_waiters(lock)) {
+                if (task->prio >= rt_mutex_top_waiter(lock)->list_entry.prio) {
+                        if (!waiter || waiter != rt_mutex_top_waiter(lock))
+                                return 0;
+                }
+        }
+        if (waiter || rt_mutex_has_waiters(lock)) {
+                unsigned long flags;
+                struct rt_mutex_waiter *top;
+                raw_spin_lock_irqsave(&task->pi_lock, flags);
+                /* remove the queued waiter. */
+                if (waiter) {
+                        plist_del(&waiter->list_entry, &lock->wait_list);
+                        task->pi_blocked_on = NULL;
+                }
+                /*
+                 * We have to enqueue the top waiter(if it exists) into
+                 * task->pi_waiters list.
+                 */
+                if (rt_mutex_has_waiters(lock)) {
+                        top = rt_mutex_top_waiter(lock);
+                        top->pi_list_entry.prio = top->list_entry.prio;
+                        plist_add(&top->pi_list_entry, &task->pi_waiters);
+                }
+                raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+        }
        /* We got the lock. */
        debug_rt_mutex_lock(lock);
-        rt_mutex_set_owner(lock, current, 0);
+        rt_mutex_set_owner(lock, task);
-        rt_mutex_deadlock_account_lock(lock, current);
+        rt_mutex_deadlock_account_lock(lock, task);
        return 1;
 }
@@ -436,6 +414,9 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
        raw_spin_unlock_irqrestore(&task->pi_lock, flags);
+        if (!owner)
+                return 0;
        if (waiter == rt_mutex_top_waiter(lock)) {
                raw_spin_lock_irqsave(&owner->pi_lock, flags);
                plist_del(&top_waiter->pi_list_entry, &owner->pi_waiters);
@@ -472,21 +453,18 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
 /*
 * Wake up the next waiter on the lock.
 *
- * Remove the top waiter from the current tasks waiter list and from
+ * Remove the top waiter from the current tasks waiter list and wake it up.
- * the lock waiter list. Set it as pending owner. Then wake it up.
 *
 * Called with lock->wait_lock held.
 */
 static void wakeup_next_waiter(struct rt_mutex *lock)
 {
        struct rt_mutex_waiter *waiter;
-        struct task_struct *pendowner;
        unsigned long flags;
        raw_spin_lock_irqsave(&current->pi_lock, flags);
        waiter = rt_mutex_top_waiter(lock);
-        plist_del(&waiter->list_entry, &lock->wait_list);
        /*
         * Remove it from current->pi_waiters. We do not adjust a
@@ -495,43 +473,19 @@ static void wakeup_next_waiter(struct rt_mutex *lock)
         * lock->wait_lock.
         */
        plist_del(&waiter->pi_list_entry, &current->pi_waiters);
-        pendowner = waiter->task;
-        waiter->task = NULL;
-        rt_mutex_set_owner(lock, pendowner, RT_MUTEX_OWNER_PENDING);
+        rt_mutex_set_owner(lock, NULL);
        raw_spin_unlock_irqrestore(&current->pi_lock, flags);
-        /*
+        wake_up_process(waiter->task);
-         * Clear the pi_blocked_on variable and enqueue a possible
-         * waiter into the pi_waiters list of the pending owner. This
-         * prevents that in case the pending owner gets unboosted a
-         * waiter with higher priority than pending-owner->normal_prio
-         * is blocked on the unboosted (pending) owner.
-         */
-        raw_spin_lock_irqsave(&pendowner->pi_lock, flags);
-        WARN_ON(!pendowner->pi_blocked_on);
-        WARN_ON(pendowner->pi_blocked_on != waiter);
-        WARN_ON(pendowner->pi_blocked_on->lock != lock);
-        pendowner->pi_blocked_on = NULL;
-        if (rt_mutex_has_waiters(lock)) {
-                struct rt_mutex_waiter *next;
-                next = rt_mutex_top_waiter(lock);
-                plist_add(&next->pi_list_entry, &pendowner->pi_waiters);
-        }
-        raw_spin_unlock_irqrestore(&pendowner->pi_lock, flags);
-        wake_up_process(pendowner);
 }
 /*
- * Remove a waiter from a lock
+ * Remove a waiter from a lock and give up
 *
- * Must be called with lock->wait_lock held
+ * Must be called with lock->wait_lock held and
+ * have just failed to try_to_take_rt_mutex().
 */
 static void remove_waiter(struct rt_mutex *lock,
                          struct rt_mutex_waiter *waiter)
@@ -543,11 +497,13 @@ static void remove_waiter(struct rt_mutex *lock,
        raw_spin_lock_irqsave(&current->pi_lock, flags);
        plist_del(&waiter->list_entry, &lock->wait_list);
-        waiter->task = NULL;
        current->pi_blocked_on = NULL;
        raw_spin_unlock_irqrestore(&current->pi_lock, flags);
-        if (first && owner != current) {
+        if (!owner)
+                return;
+        if (first) {
                raw_spin_lock_irqsave(&owner->pi_lock, flags);
@@ -614,21 +570,19 @@ void rt_mutex_adjust_pi(struct task_struct *task)
 *                       or TASK_UNINTERRUPTIBLE)
 * @timeout:             the pre-initialized and started timer, or NULL for none
 * @waiter:              the pre-initialized rt_mutex_waiter
- * @detect_deadlock:     passed to task_blocks_on_rt_mutex
 *
 * lock->wait_lock must be held by the caller.
 */
 static int __sched
 __rt_mutex_slowlock(struct rt_mutex *lock, int state,
                    struct hrtimer_sleeper *timeout,
-                    struct rt_mutex_waiter *waiter,
+                    struct rt_mutex_waiter *waiter)
-                    int detect_deadlock)
 {
        int ret = 0;
        for (;;) {
                /* Try to acquire the lock: */
-                if (try_to_take_rt_mutex(lock))
+                if (try_to_take_rt_mutex(lock, current, waiter))
                        break;
                /*
@@ -645,39 +599,11 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
                                break;
                }
-                /*
-                 * waiter->task is NULL the first time we come here and
-                 * when we have been woken up by the previous owner
-                 * but the lock got stolen by a higher prio task.
-                 */
-                if (!waiter->task) {
-                        ret = task_blocks_on_rt_mutex(lock, waiter, current,
-                                                      detect_deadlock);
-                        /*
-                         * If we got woken up by the owner then start loop
-                         * all over without going into schedule to try
-                         * to get the lock now:
-                         */
-                        if (unlikely(!waiter->task)) {
-                                /*
-                                 * Reset the return value. We might
-                                 * have returned with -EDEADLK and the
-                                 * owner released the lock while we
-                                 * were walking the pi chain.
-                                 */
-                                ret = 0;
-                                continue;
-                        }
-                        if (unlikely(ret))
-                                break;
-                }
                raw_spin_unlock(&lock->wait_lock);
                debug_rt_mutex_print_deadlock(waiter);
-                if (waiter->task)
+                schedule_rt_mutex(lock);
-                        schedule_rt_mutex(lock);
                raw_spin_lock(&lock->wait_lock);
                set_current_state(state);
@@ -698,12 +624,11 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
        int ret = 0;
        debug_rt_mutex_init_waiter(&waiter);
-        waiter.task = NULL;
        raw_spin_lock(&lock->wait_lock);
        /* Try to acquire the lock again: */
-        if (try_to_take_rt_mutex(lock)) {
+        if (try_to_take_rt_mutex(lock, current, NULL)) {
                raw_spin_unlock(&lock->wait_lock);
                return 0;
        }
@@ -717,12 +642,14 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
                        timeout->task = NULL;
        }
-        ret = __rt_mutex_slowlock(lock, state, timeout, &waiter,
+        ret = task_blocks_on_rt_mutex(lock, &waiter, current, detect_deadlock);
-                                  detect_deadlock);
+        if (likely(!ret))
+                ret = __rt_mutex_slowlock(lock, state, timeout, &waiter);
        set_current_state(TASK_RUNNING);
-        if (unlikely(waiter.task))
+        if (unlikely(ret))
                remove_waiter(lock, &waiter);
        /*
@@ -737,14 +664,6 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
        if (unlikely(timeout))
                hrtimer_cancel(&timeout->timer);
-        /*
-         * Readjust priority, when we did not get the lock. We might
-         * have been the pending owner and boosted. Since we did not
-         * take the lock, the PI boost has to go.
-         */
-        if (unlikely(ret))
-                rt_mutex_adjust_prio(current);
        debug_rt_mutex_free_waiter(&waiter);
        return ret;
@@ -762,7 +681,7 @@ rt_mutex_slowtrylock(struct rt_mutex *lock)
        if (likely(rt_mutex_owner(lock) != current)) {
-                ret = try_to_take_rt_mutex(lock);
+                ret = try_to_take_rt_mutex(lock, current, NULL);
                /*
                 * try_to_take_rt_mutex() sets the lock waiters
                 * bit unconditionally. Clean this up.
@@ -992,7 +911,7 @@ void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
 {
        __rt_mutex_init(lock, NULL);
        debug_rt_mutex_proxy_lock(lock, proxy_owner);
-        rt_mutex_set_owner(lock, proxy_owner, 0);
+        rt_mutex_set_owner(lock, proxy_owner);
        rt_mutex_deadlock_account_lock(lock, proxy_owner);
 }
@@ -1008,7 +927,7 @@ void rt_mutex_proxy_unlock(struct rt_mutex *lock,
                           struct task_struct *proxy_owner)
 {
        debug_rt_mutex_proxy_unlock(lock);
-        rt_mutex_set_owner(lock, NULL, 0);
+        rt_mutex_set_owner(lock, NULL);
        rt_mutex_deadlock_account_unlock(proxy_owner);
 }
@@ -1034,20 +953,14 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
        raw_spin_lock(&lock->wait_lock);
-        mark_rt_mutex_waiters(lock);
+        if (try_to_take_rt_mutex(lock, task, NULL)) {
-        if (!rt_mutex_owner(lock) || try_to_steal_lock(lock, task)) {
-                /* We got the lock for task. */
-                debug_rt_mutex_lock(lock);
-                rt_mutex_set_owner(lock, task, 0);
                raw_spin_unlock(&lock->wait_lock);
-                rt_mutex_deadlock_account_lock(lock, task);
                return 1;
        }
        ret = task_blocks_on_rt_mutex(lock, waiter, task, detect_deadlock);
-        if (ret && !waiter->task) {
+        if (ret && !rt_mutex_owner(lock)) {
                /*
                 * Reset the return value. We might have
                 * returned with -EDEADLK and the owner
@@ -1056,6 +969,10 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
                 */
                ret = 0;
        }
+        if (unlikely(ret))
+                remove_waiter(lock, waiter);
        raw_spin_unlock(&lock->wait_lock);
        debug_rt_mutex_print_deadlock(waiter);
@@ -1110,12 +1027,11 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock,
        set_current_state(TASK_INTERRUPTIBLE);
-        ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter,
+        ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter);
-                                  detect_deadlock);
        set_current_state(TASK_RUNNING);
-        if (unlikely(waiter->task))
+        if (unlikely(ret))
                remove_waiter(lock, waiter);
        /*
@@ -1126,13 +1042,5 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock,
        raw_spin_unlock(&lock->wait_lock);
-        /*
-         * Readjust priority, when we did not get the lock. We might have been
-         * the pending owner and boosted. Since we did not take the lock, the
-         * PI boost has to go.
-         */
-        if (unlikely(ret))
-                rt_mutex_adjust_prio(current);
        return ret;
 }
diff --git a/kernel/rtmutex_common.h b/kernel/rtmutex_common.h
index 97a2f81866af..53a66c85261b 100644
--- a/kernel/rtmutex_common.h
+++ b/kernel/rtmutex_common.h
@@ -91,9 +91,8 @@ task_top_pi_waiter(struct task_struct *p)
 /*
 * lock->owner state tracking:
 */
-#define RT_MUTEX_OWNER_PENDING  1UL
+#define RT_MUTEX_HAS_WAITERS    1UL
-#define RT_MUTEX_HAS_WAITERS    2UL
+#define RT_MUTEX_OWNER_MASKALL  1UL
-#define RT_MUTEX_OWNER_MASKALL  3UL
 static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)
 {
@@ -101,17 +100,6 @@ static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)
                ((unsigned long)lock->owner & ~RT_MUTEX_OWNER_MASKALL);
 }
-static inline struct task_struct *rt_mutex_real_owner(struct rt_mutex *lock)
-{
-        return (struct task_struct *)
-                ((unsigned long)lock->owner & ~RT_MUTEX_HAS_WAITERS);
-}
-static inline unsigned long rt_mutex_owner_pending(struct rt_mutex *lock)
-{
-        return (unsigned long)lock->owner & RT_MUTEX_OWNER_PENDING;
-}
 /*
 * PI-futex support (proxy locking functions, etc.):
 */
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 77e9166d7bbf..354769979c02 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -699,7 +699,8 @@ account_entity_dequeue(struct cfs_rq *cfs_rq, struct sched_entity *se)
        cfs_rq->nr_running--;
 }
-#if defined CONFIG_SMP && defined CONFIG_FAIR_GROUP_SCHED
+#ifdef CONFIG_FAIR_GROUP_SCHED
+# ifdef CONFIG_SMP
 static void update_cfs_rq_load_contribution(struct cfs_rq *cfs_rq,
                                            int global_update)
 {
@@ -762,6 +763,51 @@ static void update_cfs_load(struct cfs_rq *cfs_rq, int global_update)
                list_del_leaf_cfs_rq(cfs_rq);
 }
+static long calc_cfs_shares(struct cfs_rq *cfs_rq, struct task_group *tg,
+                                long weight_delta)
+{
+        long load_weight, load, shares;
+        load = cfs_rq->load.weight + weight_delta;
+        load_weight = atomic_read(&tg->load_weight);
+        load_weight -= cfs_rq->load_contribution;
+        load_weight += load;
+        shares = (tg->shares * load);
+        if (load_weight)
+                shares /= load_weight;
+        if (shares < MIN_SHARES)
+                shares = MIN_SHARES;
+        if (shares > tg->shares)
+                shares = tg->shares;
+        return shares;
+}
+static void update_entity_shares_tick(struct cfs_rq *cfs_rq)
+{
+        if (cfs_rq->load_unacc_exec_time > sysctl_sched_shares_window) {
+                update_cfs_load(cfs_rq, 0);
+                update_cfs_shares(cfs_rq, 0);
+        }
+}
+# else /* CONFIG_SMP */
+static void update_cfs_load(struct cfs_rq *cfs_rq, int global_update)
+{
+}
+static inline long calc_cfs_shares(struct cfs_rq *cfs_rq, struct task_group *tg,
+                                long weight_delta)
+{
+        return tg->shares;
+}
+static inline void update_entity_shares_tick(struct cfs_rq *cfs_rq)
+{
+}
+# endif /* CONFIG_SMP */
 static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se,
                            unsigned long weight)
 {
@@ -782,7 +828,7 @@ static void update_cfs_shares(struct cfs_rq *cfs_rq, long weight_delta)
 {
        struct task_group *tg;
        struct sched_entity *se;
-        long load_weight, load, shares;
+        long shares;
        if (!cfs_rq)
                return;
@@ -791,32 +837,14 @@ static void update_cfs_shares(struct cfs_rq *cfs_rq, long weight_delta)
        se = tg->se[cpu_of(rq_of(cfs_rq))];
        if (!se)
                return;
+#ifndef CONFIG_SMP
-        load = cfs_rq->load.weight + weight_delta;
+        if (likely(se->load.weight == tg->shares))
+                return;
-        load_weight = atomic_read(&tg->load_weight);
+#endif
-        load_weight -= cfs_rq->load_contribution;
+        shares = calc_cfs_shares(cfs_rq, tg, weight_delta);
-        load_weight += load;
-        shares = (tg->shares * load);
-        if (load_weight)
-                shares /= load_weight;
-        if (shares < MIN_SHARES)
-                shares = MIN_SHARES;
-        if (shares > tg->shares)
-                shares = tg->shares;
        reweight_entity(cfs_rq_of(se), se, shares);
 }
-static void update_entity_shares_tick(struct cfs_rq *cfs_rq)
-{
-        if (cfs_rq->load_unacc_exec_time > sysctl_sched_shares_window) {
-                update_cfs_load(cfs_rq, 0);
-                update_cfs_shares(cfs_rq, 0);
-        }
-}
 #else /* CONFIG_FAIR_GROUP_SCHED */
 static void update_cfs_load(struct cfs_rq *cfs_rq, int global_update)
 {
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index bc86bb32e126..0f1bd83db985 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -170,7 +170,8 @@ static int proc_taint(struct ctl_table *table, int write,
 #endif
 #ifdef CONFIG_MAGIC_SYSRQ
-static int __sysrq_enabled; /* Note: sysrq code ises it's own private copy */
+/* Note: sysrq code uses it's own private copy */
+static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
 static int sysrq_sysctl_handler(ctl_table *table, int write,
                                void __user *buffer, size_t *lenp,
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 3e216e01bbd1..c55ea2433471 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -642,8 +642,7 @@ static void tick_nohz_switch_to_nohz(void)
        }
        local_irq_enable();
-        printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n",
+        printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n", smp_processor_id());
-               smp_processor_id());
 }
 /*
@@ -795,8 +794,10 @@ void tick_setup_sched_timer(void)
        }
 #ifdef CONFIG_NO_HZ
-        if (tick_nohz_enabled)
+        if (tick_nohz_enabled) {
                ts->nohz_mode = NOHZ_MODE_HIGHRES;
+                printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n", smp_processor_id());
+        }
 #endif
 }
 #endif /* HIGH_RES_TIMERS */
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 5086bb962b4d..7ea2e033d715 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -736,10 +736,11 @@ next:
                }
        }
        /*
-         * The iftag must have been set somewhere because otherwise
+         * We need not to tag the root tag if there is no tag which is set with
-         * we would return immediated at the beginning of the function
+         * settag within the range from *first_indexp to last_index.
         */
-        root_tag_set(root, settag);
+        if (tagged > 0)
+                root_tag_set(root, settag);
        *first_indexp = index;
        return tagged;
diff --git a/mm/Kconfig b/mm/Kconfig
index 3ad483bdf505..e9c0c61f2ddd 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -179,7 +179,7 @@ config SPLIT_PTLOCK_CPUS
 config COMPACTION
        bool "Allow for memory compaction"
        select MIGRATION
-        depends on EXPERIMENTAL && HUGETLB_PAGE && MMU
+        depends on MMU
        help
          Allows the compaction of memory for the allocation of huge pages.
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index db76ef726293..3878cfe399dc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1832,6 +1832,7 @@ static int __mem_cgroup_do_charge(struct mem_cgroup *mem, gfp_t gfp_mask,
                if (likely(!ret))
                        return CHARGE_OK;
+                res_counter_uncharge(&mem->res, csize);
                mem_over_limit = mem_cgroup_from_res_counter(fail_res, memsw);
                flags |= MEM_CGROUP_RECLAIM_NOSWAP;
        } else
@@ -2144,6 +2145,8 @@ void mem_cgroup_split_huge_fixup(struct page *head, struct page *tail)
        struct page_cgroup *tail_pc = lookup_page_cgroup(tail);
        unsigned long flags;
+        if (mem_cgroup_disabled())
+                return;
        /*
         * We have no races with charge/uncharge but will have races with
         * page state accounting.
@@ -2233,7 +2236,12 @@ static int mem_cgroup_move_account(struct page_cgroup *pc,
 {
        int ret = -EINVAL;
        unsigned long flags;
+        /*
+         * The page is isolated from LRU. So, collapse function
+         * will not handle this page. But page splitting can happen.
+         * Do this check under compound_page_lock(). The caller should
+         * hold it.
+         */
        if ((charge_size > PAGE_SIZE) && !PageTransHuge(pc->page))
                return -EBUSY;
@@ -2265,7 +2273,7 @@ static int mem_cgroup_move_parent(struct page_cgroup *pc,
        struct cgroup *cg = child->css.cgroup;
        struct cgroup *pcg = cg->parent;
        struct mem_cgroup *parent;
-        int charge = PAGE_SIZE;
+        int page_size = PAGE_SIZE;
        unsigned long flags;
        int ret;
@@ -2278,23 +2286,26 @@ static int mem_cgroup_move_parent(struct page_cgroup *pc,
                goto out;
        if (isolate_lru_page(page))
                goto put;
-        /* The page is isolated from LRU and we have no race with splitting */
-        charge = PAGE_SIZE << compound_order(page);
+        if (PageTransHuge(page))
+                page_size = HPAGE_SIZE;
        parent = mem_cgroup_from_cont(pcg);
-        ret = __mem_cgroup_try_charge(NULL, gfp_mask, &parent, false, charge);
+        ret = __mem_cgroup_try_charge(NULL, gfp_mask,
+                                &parent, false, page_size);
        if (ret || !parent)
                goto put_back;
-        if (charge > PAGE_SIZE)
+        if (page_size > PAGE_SIZE)
                flags = compound_lock_irqsave(page);
-        ret = mem_cgroup_move_account(pc, child, parent, true, charge);
+        ret = mem_cgroup_move_account(pc, child, parent, true, page_size);
        if (ret)
-                mem_cgroup_cancel_charge(parent, charge);
+                mem_cgroup_cancel_charge(parent, page_size);
-put_back:
-        if (charge > PAGE_SIZE)
+        if (page_size > PAGE_SIZE)
                compound_unlock_irqrestore(page, flags);
+put_back:
        putback_lru_page(page);
 put:
        put_page(page);
diff --git a/mm/migrate.c b/mm/migrate.c
index 46fe8cc13d67..9f29a3b7aac2 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -888,7 +888,7 @@ out:
 * are movable anymore because to has become empty
 * or no retryable pages exist anymore.
 * Caller should call putback_lru_pages to return pages to the LRU
- * or free list.
+ * or free list only if ret != 0.
 *
 * Return: Number of pages not migrated or error code.
 */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 90c1439549fd..a873e61e312e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1088,8 +1088,10 @@ static void drain_pages(unsigned int cpu)
                pset = per_cpu_ptr(zone->pageset, cpu);
                pcp = &pset->pcp;
-                free_pcppages_bulk(zone, pcp->count, pcp);
+                if (pcp->count) {
-                pcp->count = 0;
+                        free_pcppages_bulk(zone, pcp->count, pcp);
+                        pcp->count = 0;
+                }
                local_irq_restore(flags);
        }
 }
@@ -2034,6 +2036,14 @@ restart:
         */
        alloc_flags = gfp_to_alloc_flags(gfp_mask);
+        /*
+         * Find the true preferred zone if the allocation is unconstrained by
+         * cpusets.
+         */
+        if (!(alloc_flags & ALLOC_CPUSET) && !nodemask)
+                first_zones_zonelist(zonelist, high_zoneidx, NULL,
+                                        &preferred_zone);
        /* This is the last chance, in general, before the goto nopage. */
        page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist,
                        high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS,
@@ -2192,7 +2202,9 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
        get_mems_allowed();
        /* The preferred zone is used for statistics later */
-        first_zones_zonelist(zonelist, high_zoneidx, nodemask, &preferred_zone);
+        first_zones_zonelist(zonelist, high_zoneidx,
+                                nodemask ? : &cpuset_current_mems_allowed,
+                                &preferred_zone);
        if (!preferred_zone) {
                put_mems_allowed();
                return NULL;
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 0369f5b3ba1b..eb663fb533e0 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -6,6 +6,7 @@
 *  Copyright (C) 2010  Linus Torvalds
 */
+#include <linux/pagemap.h>
 #include <asm/tlb.h>
 #include <asm-generic/pgtable.h>
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f5d90dedebba..148c6e630df2 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2083,7 +2083,8 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
                        struct zone *preferred_zone;
                        first_zones_zonelist(zonelist, gfp_zone(sc->gfp_mask),
-                                                        NULL, &preferred_zone);
+                                                &cpuset_current_mems_allowed,
+                                                &preferred_zone);
                        wait_iff_congested(preferred_zone, BLK_RW_ASYNC, HZ/10);
                }
        }
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0c877a74e1f4..3fb14b7c13cf 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -428,7 +428,7 @@ static void __exit dsa_cleanup_module(void)
 }
 module_exit(dsa_cleanup_module);
-MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>")
+MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
 MODULE_DESCRIPTION("Driver for Distributed Switch Architecture switch chips");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:dsa");
diff --git a/security/keys/Makefile b/security/keys/Makefile
index 6c941050f573..1bf090a885fe 100644
--- a/security/keys/Makefile
+++ b/security/keys/Makefile
@@ -13,8 +13,8 @@ obj-y := \
        request_key_auth.o \
        user_defined.o
-obj-$(CONFIG_TRUSTED_KEYS) += trusted_defined.o
+obj-$(CONFIG_TRUSTED_KEYS) += trusted.o
-obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted_defined.o
+obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o
 obj-$(CONFIG_KEYS_COMPAT) += compat.o
 obj-$(CONFIG_PROC_FS) += proc.o
 obj-$(CONFIG_SYSCTL) += sysctl.o
diff --git a/security/keys/encrypted_defined.c b/security/keys/encrypted.c
index 28791a65740e..9e7e4ce3fae8 100644
--- a/security/keys/encrypted_defined.c
+++ b/security/keys/encrypted.c
@@ -30,7 +30,7 @@
 #include <crypto/sha.h>
 #include <crypto/aes.h>
-#include "encrypted_defined.h"
+#include "encrypted.h"
 static const char KEY_TRUSTED_PREFIX[] = "trusted:";
 static const char KEY_USER_PREFIX[] = "user:";
@@ -888,6 +888,7 @@ static int __init init_encrypted(void)
 out:
        encrypted_shash_release();
        return ret;
 }
 static void __exit cleanup_encrypted(void)
diff --git a/security/keys/encrypted_defined.h b/security/keys/encrypted.h
index cef5e2f2b7d1..cef5e2f2b7d1 100644
--- a/security/keys/encrypted_defined.h
+++ b/security/keys/encrypted.h
diff --git a/security/keys/internal.h b/security/keys/internal.h
index edfa50dbd6f5..a52aa7c88b41 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -87,13 +87,13 @@ extern void key_type_put(struct key_type *ktype);
 extern int __key_link_begin(struct key *keyring,
                            const struct key_type *type,
                            const char *description,
-                            struct keyring_list **_prealloc);
+                            unsigned long *_prealloc);
 extern int __key_link_check_live_key(struct key *keyring, struct key *key);
 extern void __key_link(struct key *keyring, struct key *key,
-                       struct keyring_list **_prealloc);
+                       unsigned long *_prealloc);
 extern void __key_link_end(struct key *keyring,
                           struct key_type *type,
-                           struct keyring_list *prealloc);
+                           unsigned long prealloc);
 extern key_ref_t __keyring_search_one(key_ref_t keyring_ref,
                                      const struct key_type *type,
diff --git a/security/keys/key.c b/security/keys/key.c
index 84d4eb568b08..1c2d43dc5107 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -415,7 +415,7 @@ static int __key_instantiate_and_link(struct key *key,
                                      size_t datalen,
                                      struct key *keyring,
                                      struct key *authkey,
-                                      struct keyring_list **_prealloc)
+                                      unsigned long *_prealloc)
 {
        int ret, awaken;
@@ -481,7 +481,7 @@ int key_instantiate_and_link(struct key *key,
                             struct key *keyring,
                             struct key *authkey)
 {
-        struct keyring_list *prealloc;
+        unsigned long prealloc;
        int ret;
        if (keyring) {
@@ -526,7 +526,7 @@ int key_negate_and_link(struct key *key,
                        struct key *keyring,
                        struct key *authkey)
 {
-        struct keyring_list *prealloc;
+        unsigned long prealloc;
        struct timespec now;
        int ret, awaken, link_ret = 0;
@@ -814,7 +814,7 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
                               key_perm_t perm,
                               unsigned long flags)
 {
-        struct keyring_list *prealloc;
+        unsigned long prealloc;
        const struct cred *cred = current_cred();
        struct key_type *ktype;
        struct key *keyring, *key = NULL;
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index 92024ed12e0a..5620f084dede 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -25,6 +25,8 @@
                (keyring)->payload.subscriptions,                       \
                rwsem_is_locked((struct rw_semaphore *)&(keyring)->sem)))
+#define KEY_LINK_FIXQUOTA 1UL
 /*
 * When plumbing the depths of the key tree, this sets a hard limit
 * set on how deep we're willing to go.
@@ -699,11 +701,11 @@ static void keyring_unlink_rcu_disposal(struct rcu_head *rcu)
 * Preallocate memory so that a key can be linked into to a keyring.
 */
 int __key_link_begin(struct key *keyring, const struct key_type *type,
-                     const char *description,
+                     const char *description, unsigned long *_prealloc)
-                     struct keyring_list **_prealloc)
        __acquires(&keyring->sem)
 {
        struct keyring_list *klist, *nklist;
+        unsigned long prealloc;
        unsigned max;
        size_t size;
        int loop, ret;
@@ -746,6 +748,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
                                /* note replacement slot */
                                klist->delkey = nklist->delkey = loop;
+                                prealloc = (unsigned long)nklist;
                                goto done;
                        }
                }
@@ -760,6 +763,7 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
        if (klist && klist->nkeys < klist->maxkeys) {
                /* there's sufficient slack space to append directly */
                nklist = NULL;
+                prealloc = KEY_LINK_FIXQUOTA;
        } else {
                /* grow the key list */
                max = 4;
@@ -794,8 +798,9 @@ int __key_link_begin(struct key *keyring, const struct key_type *type,
                nklist->keys[nklist->delkey] = NULL;
        }
+        prealloc = (unsigned long)nklist | KEY_LINK_FIXQUOTA;
 done:
-        *_prealloc = nklist;
+        *_prealloc = prealloc;
        kleave(" = 0");
        return 0;
@@ -836,12 +841,12 @@ int __key_link_check_live_key(struct key *keyring, struct key *key)
 * combination.
 */
 void __key_link(struct key *keyring, struct key *key,
-                struct keyring_list **_prealloc)
+                unsigned long *_prealloc)
 {
        struct keyring_list *klist, *nklist;
-        nklist = *_prealloc;
+        nklist = (struct keyring_list *)(*_prealloc & ~KEY_LINK_FIXQUOTA);
-        *_prealloc = NULL;
+        *_prealloc = 0;
        kenter("%d,%d,%p", keyring->serial, key->serial, nklist);
@@ -881,20 +886,22 @@ void __key_link(struct key *keyring, struct key *key,
 * Must be called with __key_link_begin() having being called.
 */
 void __key_link_end(struct key *keyring, struct key_type *type,
-                    struct keyring_list *prealloc)
+                    unsigned long prealloc)
        __releases(&keyring->sem)
 {
        BUG_ON(type == NULL);
        BUG_ON(type->name == NULL);
-        kenter("%d,%s,%p", keyring->serial, type->name, prealloc);
+        kenter("%d,%s,%lx", keyring->serial, type->name, prealloc);
        if (type == &key_type_keyring)
                up_write(&keyring_serialise_link_sem);
        if (prealloc) {
-                kfree(prealloc);
+                if (prealloc & KEY_LINK_FIXQUOTA)
-                key_payload_reserve(keyring,
+                        key_payload_reserve(keyring,
-                                    keyring->datalen - KEYQUOTA_LINK_BYTES);
+                                            keyring->datalen -
+                                            KEYQUOTA_LINK_BYTES);
+                kfree((struct keyring_list *)(prealloc & ~KEY_LINK_FIXQUOTA));
        }
        up_write(&keyring->sem);
 }
@@ -921,7 +928,7 @@ void __key_link_end(struct key *keyring, struct key_type *type,
 */
 int key_link(struct key *keyring, struct key *key)
 {
-        struct keyring_list *prealloc;
+        unsigned long prealloc;
        int ret;
        key_check(keyring);
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 9a7fb3914b27..a3dc0d460def 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -352,8 +352,8 @@ static int construct_alloc_key(struct key_type *type,
                               struct key_user *user,
                               struct key **_key)
 {
-        struct keyring_list *prealloc;
        const struct cred *cred = current_cred();
+        unsigned long prealloc;
        struct key *key;
        key_ref_t key_ref;
        int ret;
diff --git a/security/keys/trusted_defined.c b/security/keys/trusted.c
index 2836c6dc18a3..83fc92e297cd 100644
--- a/security/keys/trusted_defined.c
+++ b/security/keys/trusted.c
@@ -29,7 +29,7 @@
 #include <linux/tpm.h>
 #include <linux/tpm_command.h>
-#include "trusted_defined.h"
+#include "trusted.h"
 static const char hmac_alg[] = "hmac(sha1)";
 static const char hash_alg[] = "sha1";
@@ -1032,6 +1032,7 @@ static int trusted_update(struct key *key, const void *data, size_t datalen)
        ret = datablob_parse(datablob, new_p, new_o);
        if (ret != Opt_update) {
                ret = -EINVAL;
+                kfree(new_p);
                goto out;
        }
        /* copy old key values, and reseal with new pcrs */
diff --git a/security/keys/trusted_defined.h b/security/keys/trusted.h
index 3249fbd2b653..3249fbd2b653 100644
--- a/security/keys/trusted_defined.h
+++ b/security/keys/trusted.h
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index c3f845cbcd48..a53373207fb4 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -178,7 +178,7 @@ int cond_init_bool_indexes(struct policydb *p)
        p->bool_val_to_struct = (struct cond_bool_datum **)
                kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL);
        if (!p->bool_val_to_struct)
-                return -1;
+                return -ENOMEM;
        return 0;
 }
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index be9de3872837..57363562f0f8 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -501,8 +501,8 @@ static int policydb_index(struct policydb *p)
        if (rc)
                goto out;
-        rc = -ENOMEM;
+        rc = cond_init_bool_indexes(p);
-        if (cond_init_bool_indexes(p))
+        if (rc)
                goto out;
        for (i = 0; i < SYM_NUM; i++) {
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 91acc9a243ec..24d3013c0231 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -30,6 +30,8 @@
 #define DRIVER_NAME     "aaci-pl041"
+#define FRAME_PERIOD_US 21
 /*
 * PM support is not complete.  Turn it off.
 */
@@ -64,8 +66,8 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
                            unsigned short val)
 {
        struct aaci *aaci = ac97->private_data;
+        int timeout;
        u32 v;
-        int timeout = 5000;
        if (ac97->num >= 4)
                return;
@@ -81,14 +83,17 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
        writel(val << 4, aaci->base + AACI_SL2TX);
        writel(reg << 12, aaci->base + AACI_SL1TX);
-        /*
+        /* Initially, wait one frame period */
-         * Wait for the transmission of both slots to complete.
+        udelay(FRAME_PERIOD_US);
-         */
+        /* And then wait an additional eight frame periods for it to be sent */
+        timeout = FRAME_PERIOD_US * 8;
        do {
+                udelay(1);
                v = readl(aaci->base + AACI_SLFR);
        } while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout);
-        if (!timeout)
+        if (v & (SLFR_1TXB|SLFR_2TXB))
                dev_err(&aaci->dev->dev,
                        "timeout waiting for write to complete\n");
@@ -101,9 +106,8 @@ static void aaci_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
        struct aaci *aaci = ac97->private_data;
+        int timeout, retries = 10;
        u32 v;
-        int timeout = 5000;
-        int retries = 10;
        if (ac97->num >= 4)
                return ~0;
@@ -117,35 +121,34 @@ static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
         */
        writel((reg << 12) | (1 << 19), aaci->base + AACI_SL1TX);
-        /*
+        /* Initially, wait one frame period */
-         * Wait for the transmission to complete.
+        udelay(FRAME_PERIOD_US);
-         */
+        /* And then wait an additional eight frame periods for it to be sent */
+        timeout = FRAME_PERIOD_US * 8;
        do {
+                udelay(1);
                v = readl(aaci->base + AACI_SLFR);
        } while ((v & SLFR_1TXB) && --timeout);
-        if (!timeout) {
+        if (v & SLFR_1TXB) {
                dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n");
                v = ~0;
                goto out;
        }
-        /*
+        /* Now wait for the response frame */
-         * Give the AC'97 codec more than enough time
+        udelay(FRAME_PERIOD_US);
-         * to respond. (42us = ~2 frames at 48kHz.)
-         */
-        udelay(42);
-        /*
+        /* And then wait an additional eight frame periods for data */
-         * Wait for slot 2 to indicate data.
+        timeout = FRAME_PERIOD_US * 8;
-         */
-        timeout = 5000;
        do {
+                udelay(1);
                cond_resched();
                v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV);
        } while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout);
-        if (!timeout) {
+        if (v != (SLFR_1RXV|SLFR_2RXV)) {
                dev_err(&aaci->dev->dev, "timeout on RX valid\n");
                v = ~0;
                goto out;
@@ -179,6 +182,7 @@ aaci_chan_wait_ready(struct aaci_runtime *aacirun, unsigned long mask)
        int timeout = 5000;
        do {
+                udelay(1);
                val = readl(aacirun->base + AACI_SR);
        } while (val & mask && timeout--);
 }
@@ -874,7 +878,7 @@ static int __devinit aaci_probe_ac97(struct aaci *aaci)
         * Give the AC'97 codec more than enough time
         * to wake up. (42us = ~2 frames at 48kHz.)
         */
-        udelay(42);
+        udelay(FRAME_PERIOD_US * 2);
        ret = snd_ac97_bus(aaci->card, 0, &aaci_bus_ops, aaci, &ac97_bus);
        if (ret)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 2b5387d53ba5..7141c42e1469 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -204,13 +204,11 @@ EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstack-protector
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wvolatile-register-var
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
@@ -294,6 +292,13 @@ ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -fstack-protector-all),y)
        CFLAGS := $(CFLAGS) -fstack-protector-all
 endif
+ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wstack-protector),y)
+       CFLAGS := $(CFLAGS) -Wstack-protector
+endif
+ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wvolatile-register-var),y)
+       CFLAGS := $(CFLAGS) -Wvolatile-register-var
+endif
 ### --- END CONFIGURATION SECTION ---
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index c056cdc06912..8879463807e4 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -212,7 +212,7 @@ get_source_line(struct hist_entry *he, int len, const char *filename)
                        continue;
                offset = start + i;
-                sprintf(cmd, "addr2line -e %s %016llx", filename, offset);
+                sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset);
                fp = popen(cmd, "r");
                if (!fp)
                        continue;
@@ -270,9 +270,9 @@ static void hist_entry__print_hits(struct hist_entry *self)
        for (offset = 0; offset < len; ++offset)
                if (h->ip[offset] != 0)
-                        printf("%*Lx: %Lu\n", BITS_PER_LONG / 2,
+                        printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
                               sym->start + offset, h->ip[offset]);
-        printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
+        printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
 }
 static int hist_entry__tty_annotate(struct hist_entry *he)
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index def7ddc2fd4f..d97256d65980 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -371,10 +371,10 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
                        addr = data->ptr;
                if (sym != NULL)
-                        snprintf(buf, sizeof(buf), "%s+%Lx", sym->name,
+                        snprintf(buf, sizeof(buf), "%s+%" PRIx64 "", sym->name,
                                 addr - map->unmap_ip(map, sym->start));
                else
-                        snprintf(buf, sizeof(buf), "%#Lx", addr);
+                        snprintf(buf, sizeof(buf), "%#" PRIx64 "", addr);
                printf(" %-34s |", buf);
                printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %8lu | %6.3f%%\n",
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b9c6e5432971..2b36defc5d73 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -782,9 +782,9 @@ static void print_result(void)
                pr_info("%10u ", st->nr_acquired);
                pr_info("%10u ", st->nr_contended);
-                pr_info("%15llu ", st->wait_time_total);
+                pr_info("%15" PRIu64 " ", st->wait_time_total);
-                pr_info("%15llu ", st->wait_time_max);
+                pr_info("%15" PRIu64 " ", st->wait_time_max);
-                pr_info("%15llu ", st->wait_time_min == ULLONG_MAX ?
+                pr_info("%15" PRIu64 " ", st->wait_time_min == ULLONG_MAX ?
                       0 : st->wait_time_min);
                pr_info("\n");
        }
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index fcd29e8af29f..b2f729fdb317 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -817,7 +817,7 @@ static int __cmd_record(int argc, const char **argv)
         * Approximate RIP event size: 24 bytes.
         */
        fprintf(stderr,
-                "[ perf record: Captured and wrote %.3f MB %s (~%lld samples) ]\n",
+                "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n",
                (double)bytes_written / 1024.0 / 1024.0,
                output_name,
                bytes_written / 24);
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 75183a4518e6..c27e31f289e6 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -197,7 +197,7 @@ static int process_read_event(event_t *event, struct sample_data *sample __used,
                                           event->read.value);
        }
-        dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid,
+        dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
                    attr ? __event_name(attr->type, attr->config) : "FAIL",
                    event->read.value);
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 29e7ffd85690..29acb894e035 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -193,7 +193,7 @@ static void calibrate_run_measurement_overhead(void)
        }
        run_measurement_overhead = min_delta;
-        printf("run measurement overhead: %Ld nsecs\n", min_delta);
+        printf("run measurement overhead: %" PRIu64 " nsecs\n", min_delta);
 }
 static void calibrate_sleep_measurement_overhead(void)
@@ -211,7 +211,7 @@ static void calibrate_sleep_measurement_overhead(void)
        min_delta -= 10000;
        sleep_measurement_overhead = min_delta;
-        printf("sleep measurement overhead: %Ld nsecs\n", min_delta);
+        printf("sleep measurement overhead: %" PRIu64 " nsecs\n", min_delta);
 }
 static struct sched_atom *
@@ -617,13 +617,13 @@ static void test_calibrations(void)
        burn_nsecs(1e6);
        T1 = get_nsecs();
-        printf("the run test took %Ld nsecs\n", T1-T0);
+        printf("the run test took %" PRIu64 " nsecs\n", T1 - T0);
        T0 = get_nsecs();
        sleep_nsecs(1e6);
        T1 = get_nsecs();
-        printf("the sleep test took %Ld nsecs\n", T1-T0);
+        printf("the sleep test took %" PRIu64 " nsecs\n", T1 - T0);
 }
 #define FILL_FIELD(ptr, field, event, data)     \
@@ -816,10 +816,10 @@ replay_switch_event(struct trace_switch_event *switch_event,
                delta = 0;
        if (delta < 0)
-                die("hm, delta: %Ld < 0 ?\n", delta);
+                die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
        if (verbose) {
-                printf(" ... switch from %s/%d to %s/%d [ran %Ld nsecs]\n",
+                printf(" ... switch from %s/%d to %s/%d [ran %" PRIu64 " nsecs]\n",
                        switch_event->prev_comm, switch_event->prev_pid,
                        switch_event->next_comm, switch_event->next_pid,
                        delta);
@@ -1048,7 +1048,7 @@ latency_switch_event(struct trace_switch_event *switch_event,
                delta = 0;
        if (delta < 0)
-                die("hm, delta: %Ld < 0 ?\n", delta);
+                die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
        sched_out = perf_session__findnew(session, switch_event->prev_pid);
@@ -1221,7 +1221,7 @@ static void output_lat_thread(struct work_atoms *work_list)
        avg = work_list->total_lat / work_list->nb_atoms;
-        printf("|%11.3f ms |%9llu | avg:%9.3f ms | max:%9.3f ms | max at: %9.6f s\n",
+        printf("|%11.3f ms |%9" PRIu64 " | avg:%9.3f ms | max:%9.3f ms | max at: %9.6f s\n",
              (double)work_list->total_runtime / 1e6,
                 work_list->nb_atoms, (double)avg / 1e6,
                 (double)work_list->max_lat / 1e6,
@@ -1423,7 +1423,7 @@ map_switch_event(struct trace_switch_event *switch_event,
                delta = 0;
        if (delta < 0)
-                die("hm, delta: %Ld < 0 ?\n", delta);
+                die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
        sched_out = perf_session__findnew(session, switch_event->prev_pid);
@@ -1713,7 +1713,7 @@ static void __cmd_lat(void)
        }
        printf(" -----------------------------------------------------------------------------------------\n");
-        printf("  TOTAL:                |%11.3f ms |%9Ld |\n",
+        printf("  TOTAL:                |%11.3f ms |%9" PRIu64 " |\n",
                (double)all_runtime/1e6, all_count);
        printf(" ---------------------------------------------------\n");
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 150a606002eb..b766c2a9ac97 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -77,8 +77,8 @@ static int process_sample_event(event_t *event, struct sample_data *sample,
        if (session->sample_type & PERF_SAMPLE_RAW) {
                if (debug_mode) {
                        if (sample->time < last_timestamp) {
-                                pr_err("Samples misordered, previous: %llu "
+                                pr_err("Samples misordered, previous: %" PRIu64
-                                        "this: %llu\n", last_timestamp,
+                                        " this: %" PRIu64 "\n", last_timestamp,
                                        sample->time);
                                nr_unordered++;
                        }
@@ -126,7 +126,7 @@ static int __cmd_script(struct perf_session *session)
        ret = perf_session__process_events(session, &event_ops);
        if (debug_mode)
-                pr_err("Misordered timestamps: %llu\n", nr_unordered);
+                pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
        return ret;
 }
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 0ff11d9b13be..a482a191a0ca 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -206,8 +206,8 @@ static int read_counter_aggr(struct perf_evsel *counter)
                update_stats(&ps->res_stats[i], count[i]);
        if (verbose) {
-                fprintf(stderr, "%s: %Ld %Ld %Ld\n", event_name(counter),
+                fprintf(stderr, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
-                                count[0], count[1], count[2]);
+                        event_name(counter), count[0], count[1], count[2]);
        }
        /*
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index ed5696198d3d..5dcdba653d70 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -146,7 +146,7 @@ next_pair:
                                if (llabs(skew) < page_size)
                                        continue;
-                                pr_debug("%#Lx: diff end addr for %s v: %#Lx k: %#Lx\n",
+                                pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n",
                                         sym->start, sym->name, sym->end, pair->end);
                        } else {
                                struct rb_node *nnd;
@@ -168,11 +168,11 @@ detour:
                                        goto detour;
                                }
-                                pr_debug("%#Lx: diff name v: %s k: %s\n",
+                                pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n",
                                         sym->start, sym->name, pair->name);
                        }
                } else
-                        pr_debug("%#Lx: %s not on kallsyms\n", sym->start, sym->name);
+                        pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name);
                err = -1;
        }
@@ -211,10 +211,10 @@ detour:
                if (pair->start == pos->start) {
                        pair->priv = 1;
-                        pr_info(" %Lx-%Lx %Lx %s in kallsyms as",
+                        pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as",
                                pos->start, pos->end, pos->pgoff, pos->dso->name);
                        if (pos->pgoff != pair->pgoff || pos->end != pair->end)
-                                pr_info(": \n*%Lx-%Lx %Lx",
+                                pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "",
                                        pair->start, pair->end, pair->pgoff);
                        pr_info(" %s\n", pair->dso->name);
                        pair->priv = 1;
@@ -307,7 +307,7 @@ static int test__open_syscall_event(void)
        }
        if (evsel->counts->cpu[0].val != nr_open_calls) {
-                pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %Ld\n",
+                pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
                         nr_open_calls, evsel->counts->cpu[0].val);
                goto out_close_fd;
        }
@@ -332,8 +332,7 @@ static int test__open_syscall_event_on_all_cpus(void)
        struct perf_evsel *evsel;
        struct perf_event_attr attr;
        unsigned int nr_open_calls = 111, i;
-        cpu_set_t *cpu_set;
+        cpu_set_t cpu_set;
-        size_t cpu_set_size;
        int id = trace_event__id("sys_enter_open");
        if (id < 0) {
@@ -353,13 +352,8 @@ static int test__open_syscall_event_on_all_cpus(void)
                return -1;
        }
-        cpu_set = CPU_ALLOC(cpus->nr);
-        if (cpu_set == NULL)
+        CPU_ZERO(&cpu_set);
-                goto out_thread_map_delete;
-        cpu_set_size = CPU_ALLOC_SIZE(cpus->nr);
-        CPU_ZERO_S(cpu_set_size, cpu_set);
        memset(&attr, 0, sizeof(attr));
        attr.type = PERF_TYPE_TRACEPOINT;
@@ -367,7 +361,7 @@ static int test__open_syscall_event_on_all_cpus(void)
        evsel = perf_evsel__new(&attr, 0);
        if (evsel == NULL) {
                pr_debug("perf_evsel__new\n");
-                goto out_cpu_free;
+                goto out_thread_map_delete;
        }
        if (perf_evsel__open(evsel, cpus, threads) < 0) {
@@ -379,14 +373,29 @@ static int test__open_syscall_event_on_all_cpus(void)
        for (cpu = 0; cpu < cpus->nr; ++cpu) {
                unsigned int ncalls = nr_open_calls + cpu;
+                /*
+                 * XXX eventually lift this restriction in a way that
+                 * keeps perf building on older glibc installations
+                 * without CPU_ALLOC. 1024 cpus in 2010 still seems
+                 * a reasonable upper limit tho :-)
+                 */
+                if (cpus->map[cpu] >= CPU_SETSIZE) {
+                        pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);
+                        continue;
+                }
-                CPU_SET(cpu, cpu_set);
+                CPU_SET(cpus->map[cpu], &cpu_set);
-                sched_setaffinity(0, cpu_set_size, cpu_set);
+                if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
+                        pr_debug("sched_setaffinity() failed on CPU %d: %s ",
+                                 cpus->map[cpu],
+                                 strerror(errno));
+                        goto out_close_fd;
+                }
                for (i = 0; i < ncalls; ++i) {
                        fd = open("/etc/passwd", O_RDONLY);
                        close(fd);
                }
-                CPU_CLR(cpu, cpu_set);
+                CPU_CLR(cpus->map[cpu], &cpu_set);
        }
        /*
@@ -402,6 +411,9 @@ static int test__open_syscall_event_on_all_cpus(void)
        for (cpu = 0; cpu < cpus->nr; ++cpu) {
                unsigned int expected;
+                if (cpus->map[cpu] >= CPU_SETSIZE)
+                        continue;
                if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
                        pr_debug("perf_evsel__open_read_on_cpu\n");
                        goto out_close_fd;
@@ -409,8 +421,8 @@ static int test__open_syscall_event_on_all_cpus(void)
                expected = nr_open_calls + cpu;
                if (evsel->counts->cpu[cpu].val != expected) {
-                        pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %Ld\n",
+                        pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
-                                 expected, cpu, evsel->counts->cpu[cpu].val);
+                                 expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
                        goto out_close_fd;
                }
        }
@@ -420,8 +432,6 @@ out_close_fd:
        perf_evsel__close_fd(evsel, 1, threads->nr);
 out_evsel_delete:
        perf_evsel__delete(evsel);
-out_cpu_free:
-        CPU_FREE(cpu_set);
 out_thread_map_delete:
        thread_map__delete(threads);
        return err;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 05344c6210ac..b6998e055767 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -40,6 +40,7 @@
 #include <stdio.h>
 #include <termios.h>
 #include <unistd.h>
+#include <inttypes.h>
 #include <errno.h>
 #include <time.h>
@@ -214,7 +215,7 @@ static int parse_source(struct sym_entry *syme)
        len = sym->end - sym->start;
        sprintf(command,
-                "objdump --start-address=%#0*Lx --stop-address=%#0*Lx -dS %s",
+                "objdump --start-address=%#0*" PRIx64 " --stop-address=%#0*" PRIx64 " -dS %s",
                BITS_PER_LONG / 4, map__rip_2objdump(map, sym->start),
                BITS_PER_LONG / 4, map__rip_2objdump(map, sym->end), path);
@@ -308,7 +309,7 @@ static void lookup_sym_source(struct sym_entry *syme)
        struct source_line *line;
        char pattern[PATTERN_LEN + 1];
-        sprintf(pattern, "%0*Lx <", BITS_PER_LONG / 4,
+        sprintf(pattern, "%0*" PRIx64 " <", BITS_PER_LONG / 4,
                map__rip_2objdump(syme->map, symbol->start));
        pthread_mutex_lock(&syme->src->lock);
@@ -537,7 +538,7 @@ static void print_sym_table(void)
        if (nr_counters == 1 || !display_weighted) {
                struct perf_evsel *first;
                first = list_entry(evsel_list.next, struct perf_evsel, node);
-                printf("%Ld", first->attr.sample_period);
+                printf("%" PRIu64, (uint64_t)first->attr.sample_period);
                if (freq)
                        printf("Hz ");
                else
@@ -640,7 +641,7 @@ static void print_sym_table(void)
                percent_color_fprintf(stdout, "%4.1f%%", pcnt);
                if (verbose)
-                        printf(" %016llx", sym->start);
+                        printf(" %016" PRIx64, sym->start);
                printf(" %-*.*s", sym_width, sym_width, sym->name);
                printf(" %-*.*s\n", dso_width, dso_width,
                       dso_width >= syme->map->dso->long_name_len ?
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2302ec051bb4..1478ab4ee222 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -459,7 +459,8 @@ int event__process_comm(event_t *self, struct sample_data *sample __used,
 int event__process_lost(event_t *self, struct sample_data *sample __used,
                        struct perf_session *session)
 {
-        dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost);
+        dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
+                    self->lost.id, self->lost.lost);
        session->hists.stats.total_lost += self->lost.lost;
        return 0;
 }
@@ -575,7 +576,7 @@ int event__process_mmap(event_t *self, struct sample_data *sample __used,
        u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
        int ret = 0;
-        dump_printf(" %d/%d: [%#Lx(%#Lx) @ %#Lx]: %s\n",
+        dump_printf(" %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
                        self->mmap.pid, self->mmap.tid, self->mmap.start,
                        self->mmap.len, self->mmap.pgoff, self->mmap.filename);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 989fa2dee2fd..f6a929e74981 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -798,8 +798,8 @@ static int perf_file_section__process(struct perf_file_section *self,
                                      int feat, int fd)
 {
        if (lseek(fd, self->offset, SEEK_SET) == (off_t)-1) {
-                pr_debug("Failed to lseek to %Ld offset for feature %d, "
+                pr_debug("Failed to lseek to %" PRIu64 " offset for feature "
-                         "continuing...\n", self->offset, feat);
+                          "%d, continuing...\n", self->offset, feat);
                return 0;
        }
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index c749ba6136a0..32f4f1f2f6e4 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -636,13 +636,13 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
                        }
                }
        } else
-                ret = snprintf(s, size, sep ? "%lld" : "%12lld ", period);
+                ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
        if (symbol_conf.show_nr_samples) {
                if (sep)
-                        ret += snprintf(s + ret, size - ret, "%c%lld", *sep, period);
+                        ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
                else
-                        ret += snprintf(s + ret, size - ret, "%11lld", period);
+                        ret += snprintf(s + ret, size - ret, "%11" PRIu64, period);
        }
        if (pair_hists) {
@@ -971,7 +971,7 @@ int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip)
        sym_size = sym->end - sym->start;
        offset = ip - sym->start;
-        pr_debug3("%s: ip=%#Lx\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip));
+        pr_debug3("%s: ip=%#" PRIx64 "\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip));
        if (offset >= sym_size)
                return 0;
@@ -980,8 +980,9 @@ int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip)
        h->sum++;
        h->ip[offset]++;
-        pr_debug3("%#Lx %s: period++ [ip: %#Lx, %#Lx] => %Ld\n", self->ms.sym->start,
+        pr_debug3("%#" PRIx64 " %s: period++ [ip: %#" PRIx64 ", %#" PRIx64
-                  self->ms.sym->name, ip, ip - self->ms.sym->start, h->ip[offset]);
+                  "] => %" PRIu64 "\n", self->ms.sym->start, self->ms.sym->name,
+                  ip, ip - self->ms.sym->start, h->ip[offset]);
        return 0;
 }
@@ -1132,7 +1133,7 @@ fallback:
                goto out_free_filename;
        }
-        pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
+        pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
                 filename, sym->name, map->unmap_ip(map, sym->start),
                 map->unmap_ip(map, sym->end));
@@ -1142,7 +1143,7 @@ fallback:
                 dso, dso->long_name, sym, sym->name);
        snprintf(command, sizeof(command),
-                 "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS -C %s|grep -v %s|expand",
+                 "objdump --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand",
                 map__rip_2objdump(map, sym->start),
                 map__rip_2objdump(map, sym->end),
                 symfs_filename, filename);
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 8be0b968ca0b..305c8484f200 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -2,6 +2,7 @@
 #define _PERF_LINUX_BITOPS_H_
 #include <linux/kernel.h>
+#include <linux/compiler.h>
 #include <asm/hweight.h>
 #define BITS_PER_LONG __WORDSIZE
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 3a7eb6ec0eec..a16ecab5229d 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -1,5 +1,6 @@
 #include "symbol.h"
 #include <errno.h>
+#include <inttypes.h>
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
@@ -195,7 +196,7 @@ int map__overlap(struct map *l, struct map *r)
 size_t map__fprintf(struct map *self, FILE *fp)
 {
-        return fprintf(fp, " %Lx-%Lx %Lx %s\n",
+        return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s\n",
                       self->start, self->end, self->pgoff, self->dso->name);
 }
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index bc2732ee23eb..135f69baf966 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -279,7 +279,7 @@ const char *__event_name(int type, u64 config)
        static char buf[32];
        if (type == PERF_TYPE_RAW) {
-                sprintf(buf, "raw 0x%llx", config);
+                sprintf(buf, "raw 0x%" PRIx64, config);
                return buf;
        }
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index b82cafb83772..458e3ecf17af 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -23,7 +23,7 @@ struct tracepoint_path {
 };
 extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
-extern bool have_tracepoints(struct list_head *evsel_list);
+extern bool have_tracepoints(struct list_head *evlist);
 extern int                      nr_counters;
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 128aaab0aeda..6e29d9c9dccc 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -172,7 +172,7 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp,
        sym = __find_kernel_function_by_name(tp->symbol, &map);
        if (sym) {
                addr = map->unmap_ip(map, sym->start + tp->offset);
-                pr_debug("try to find %s+%ld@%llx\n", tp->symbol,
+                pr_debug("try to find %s+%ld@%" PRIx64 "\n", tp->symbol,
                         tp->offset, addr);
                ret = find_perf_probe_point((unsigned long)addr, pp);
        }
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 313dac2d94ce..105f00bfd555 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -652,10 +652,11 @@ static void callchain__printf(struct sample_data *sample)
 {
        unsigned int i;
-        printf("... chain: nr:%Lu\n", sample->callchain->nr);
+        printf("... chain: nr:%" PRIu64 "\n", sample->callchain->nr);
        for (i = 0; i < sample->callchain->nr; i++)
-                printf("..... %2d: %016Lx\n", i, sample->callchain->ips[i]);
+                printf("..... %2d: %016" PRIx64 "\n",
+                       i, sample->callchain->ips[i]);
 }
 static void perf_session__print_tstamp(struct perf_session *session,
@@ -672,7 +673,7 @@ static void perf_session__print_tstamp(struct perf_session *session,
                printf("%u ", sample->cpu);
        if (session->sample_type & PERF_SAMPLE_TIME)
-                printf("%Lu ", sample->time);
+                printf("%" PRIu64 " ", sample->time);
 }
 static void dump_event(struct perf_session *session, event_t *event,
@@ -681,16 +682,16 @@ static void dump_event(struct perf_session *session, event_t *event,
        if (!dump_trace)
                return;
-        printf("\n%#Lx [%#x]: event: %d\n", file_offset, event->header.size,
+        printf("\n%#" PRIx64 " [%#x]: event: %d\n",
-               event->header.type);
+               file_offset, event->header.size, event->header.type);
        trace_event(event);
        if (sample)
                perf_session__print_tstamp(session, event, sample);
-        printf("%#Lx [%#x]: PERF_RECORD_%s", file_offset, event->header.size,
+        printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset,
-               event__get_event_name(event->header.type));
+               event->header.size, event__get_event_name(event->header.type));
 }
 static void dump_sample(struct perf_session *session, event_t *event,
@@ -699,8 +700,9 @@ static void dump_sample(struct perf_session *session, event_t *event,
        if (!dump_trace)
                return;
-        printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
+        printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 "\n",
-               sample->pid, sample->tid, sample->ip, sample->period);
+               event->header.misc, sample->pid, sample->tid, sample->ip,
+               sample->period);
        if (session->sample_type & PERF_SAMPLE_CALLCHAIN)
                callchain__printf(sample);
@@ -843,8 +845,8 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
 {
        if (ops->lost == event__process_lost &&
            session->hists.stats.total_lost != 0) {
-                ui__warning("Processed %Lu events and LOST %Lu!\n\n"
+                ui__warning("Processed %" PRIu64 " events and LOST %" PRIu64
-                            "Check IO/CPU overload!\n\n",
+                            "!\n\nCheck IO/CPU overload!\n\n",
                            session->hists.stats.total_period,
                            session->hists.stats.total_lost);
        }
@@ -918,7 +920,7 @@ more:
        if (size == 0 ||
            (skip = perf_session__process_event(self, &event, ops, head)) < 0) {
-                dump_printf("%#Lx [%#x]: skipping unknown header type: %d\n",
+                dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n",
                            head, event.header.size, event.header.type);
                /*
                 * assume we lost track of the stream, check alignment, and
@@ -1023,7 +1025,7 @@ more:
        if (size == 0 ||
            perf_session__process_event(session, event, ops, file_pos) < 0) {
-                dump_printf("%#Lx [%#x]: skipping unknown header type: %d\n",
+                dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n",
                            file_offset + head, event->header.size,
                            event->header.type);
                /*
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index b3637db025a2..fb737fe9be91 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -12,6 +12,7 @@
 * of the License.
 */
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -43,11 +44,11 @@ static double cpu2y(int cpu)
        return cpu2slot(cpu) * SLOT_MULT;
 }
-static double time2pixels(u64 time)
+static double time2pixels(u64 __time)
 {
        double X;
-        X = 1.0 * svg_page_width * (time - first_time) / (last_time - first_time);
+        X = 1.0 * svg_page_width * (__time - first_time) / (last_time - first_time);
        return X;
 }
@@ -94,7 +95,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
        total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
        fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
-        fprintf(svgfile, "<svg width=\"%i\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
+        fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height);
        fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
@@ -483,7 +484,7 @@ void svg_time_grid(void)
                        color = 128;
                }
-                fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%llu\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
+                fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%" PRIu64 "\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
                        time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
                i += 10000000;
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 15ccfba8cdf8..7821d0e6866f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -11,6 +11,7 @@
 #include <sys/param.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <inttypes.h>
 #include "build-id.h"
 #include "debug.h"
 #include "symbol.h"
@@ -153,7 +154,7 @@ static struct symbol *symbol__new(u64 start, u64 len, u8 binding,
        self->binding = binding;
        self->namelen = namelen - 1;
-        pr_debug4("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);
+        pr_debug4("%s: %s %#" PRIx64 "-%#" PRIx64 "\n", __func__, name, start, self->end);
        memcpy(self->name, name, namelen);
@@ -167,7 +168,7 @@ void symbol__delete(struct symbol *self)
 static size_t symbol__fprintf(struct symbol *self, FILE *fp)
 {
-        return fprintf(fp, " %llx-%llx %c %s\n",
+        return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
                       self->start, self->end,
                       self->binding == STB_GLOBAL ? 'g' :
                       self->binding == STB_LOCAL  ? 'l' : 'w',
@@ -1161,6 +1162,13 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
                section_name = elf_sec__name(&shdr, secstrs);
+                /* On ARM, symbols for thumb functions have 1 added to
+                 * the symbol address as a flag - remove it */
+                if ((ehdr.e_machine == EM_ARM) &&
+                    (map->type == MAP__FUNCTION) &&
+                    (sym.st_value & 1))
+                        --sym.st_value;
                if (self->kernel != DSO_TYPE_USER || kmodule) {
                        char dso_name[PATH_MAX];
@@ -1208,8 +1216,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
                }
                if (curr_dso->adjust_symbols) {
-                        pr_debug4("%s: adjusting symbol: st_value: %#Lx "
+                        pr_debug4("%s: adjusting symbol: st_value: %#" PRIx64 " "
-                                  "sh_addr: %#Lx sh_offset: %#Lx\n", __func__,
+                                  "sh_addr: %#" PRIx64 " sh_offset: %#" PRIx64 "\n", __func__,
                                  (u64)sym.st_value, (u64)shdr.sh_addr,
                                  (u64)shdr.sh_offset);
                        sym.st_value -= shdr.sh_addr - shdr.sh_offset;
diff --git a/tools/perf/util/types.h b/tools/perf/util/types.h
index 7d6b8331f898..5f3689a3d085 100644
--- a/tools/perf/util/types.h
+++ b/tools/perf/util/types.h
@@ -1,12 +1,14 @@
 #ifndef __PERF_TYPES_H
 #define __PERF_TYPES_H
+#include <stdint.h>
 /*
- * We define u64 as unsigned long long for every architecture
+ * We define u64 as uint64_t for every architecture
- * so that we can print it with %Lx without getting warnings.
+ * so that we can print it with "%"PRIx64 without getting warnings.
 */
-typedef unsigned long long u64;
+typedef uint64_t           u64;
-typedef signed long long   s64;
+typedef int64_t            s64;
 typedef unsigned int       u32;
 typedef signed int         s32;
 typedef unsigned short     u16;
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index ebda8c3fde9e..60c463c16028 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -350,7 +350,7 @@ static char *callchain_list__sym_name(struct callchain_list *self,
        if (self->ms.sym)
                return self->ms.sym->name;
-        snprintf(bf, bfsize, "%#Lx", self->ip);
+        snprintf(bf, bfsize, "%#" PRIx64, self->ip);
        return bf;
 }
diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
index e35437dfa5b4..e5158369106e 100644
--- a/tools/perf/util/ui/browsers/map.c
+++ b/tools/perf/util/ui/browsers/map.c
@@ -1,5 +1,6 @@
 #include "../libslang.h"
 #include <elf.h>
+#include <inttypes.h>
 #include <sys/ttydefaults.h>
 #include <ctype.h>
 #include <string.h>
@@ -57,7 +58,7 @@ static void map_browser__write(struct ui_browser *self, void *nd, int row)
        int width;
        ui_browser__set_percent_color(self, 0, current_entry);
-        slsmg_printf("%*llx %*llx %c ",
+        slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ",
                     mb->addrlen, sym->start, mb->addrlen, sym->end,
                     sym->binding == STB_GLOBAL ? 'g' :
                     sym->binding == STB_LOCAL  ? 'l' : 'w');
@@ -150,6 +151,6 @@ int map__browse(struct map *self)
                ++mb.b.nr_entries;
        }
-        mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr);
+        mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
        return map_browser__run(&mb);
 }
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index cfa55d686e3b..bdd33470b235 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -150,7 +150,7 @@ static void perf_read_values__display_pretty(FILE *fp,
                if (width > tidwidth)
                        tidwidth = width;
                for (j = 0; j < values->counters; j++) {
-                        width = snprintf(NULL, 0, "%Lu", values->value[i][j]);
+                        width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
                        if (width > counterwidth[j])
                                counterwidth[j] = width;
                }
@@ -165,7 +165,7 @@ static void perf_read_values__display_pretty(FILE *fp,
                fprintf(fp, "  %*d  %*d", pidwidth, values->pid[i],
                        tidwidth, values->tid[i]);
                for (j = 0; j < values->counters; j++)
-                        fprintf(fp, "  %*Lu",
+                        fprintf(fp, "  %*" PRIu64,
                                counterwidth[j], values->value[i][j]);
                fprintf(fp, "\n");
        }
@@ -196,13 +196,13 @@ static void perf_read_values__display_raw(FILE *fp,
                width = strlen(values->countername[j]);
                if (width > namewidth)
                        namewidth = width;
-                width = snprintf(NULL, 0, "%llx", values->counterrawid[j]);
+                width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
                if (width > rawwidth)
                        rawwidth = width;
        }
        for (i = 0; i < values->threads; i++) {
                for (j = 0; j < values->counters; j++) {
-                        width = snprintf(NULL, 0, "%Lu", values->value[i][j]);
+                        width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
                        if (width > countwidth)
                                countwidth = width;
                }
@@ -214,7 +214,7 @@ static void perf_read_values__display_raw(FILE *fp,
                countwidth, "Count");
        for (i = 0; i < values->threads; i++)
                for (j = 0; j < values->counters; j++)
-                        fprintf(fp, "  %*d  %*d  %*s  %*llx  %*Lu\n",
+                        fprintf(fp, "  %*d  %*d  %*s  %*" PRIx64 "  %*" PRIu64,
                                pidwidth, values->pid[i],
                                tidwidth, values->tid[i],
                                namewidth, values->countername[j],