Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Merge upstream tree in order to reinstate crct10dif.

21 files changed, 145 insertions, 115 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index c7b32a966f67..627fa7e41fba 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -1,63 +1,10 @@
 config ARCH_OMAP
         bool
 
-config ARCH_OMAP2PLUS
-        bool "TI OMAP2/3/4/5 SoCs with device tree support" if (ARCH_MULTI_V6 || ARCH_MULTI_V7)
-        select ARCH_HAS_CPUFREQ
-        select ARCH_HAS_BANDGAP
-        select ARCH_HAS_HOLES_MEMORYMODEL
-        select ARCH_OMAP
-        select ARCH_REQUIRE_GPIOLIB
-        select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
-        select GENERIC_CLOCKEVENTS
-        select GENERIC_IRQ_CHIP
-        select HAVE_CLK
-        select OMAP_DM_TIMER
-        select PINCTRL
-        select PROC_DEVICETREE if PROC_FS
-        select SOC_BUS
-        select SPARSE_IRQ
-        select TI_PRIV_EDMA
-        select USE_OF
-        help
-          Systems based on OMAP2, OMAP3, OMAP4 or OMAP5
-
-
-if ARCH_OMAP2PLUS
-
-menu "TI OMAP2/3/4 Specific Features"
-
-config ARCH_OMAP2PLUS_TYPICAL
-        bool "Typical OMAP configuration"
-        default y
-        select AEABI
-        select HIGHMEM
-        select I2C
-        select I2C_OMAP
-        select MENELAUS if ARCH_OMAP2
-        select NEON if ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5
-        select PM_RUNTIME
-        select REGULATOR
-        select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
-        select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
-        select VFP
-        help
-          Compile a kernel suitable for booting most boards
-
-config SOC_HAS_OMAP2_SDRC
-        bool "OMAP2 SDRAM Controller support"
-
-config SOC_HAS_REALTIME_COUNTER
-        bool "Real time free running counter"
-        depends on SOC_OMAP5
-        default y
-
 config ARCH_OMAP2
         bool "TI OMAP2"
-        depends on ARCH_OMAP2PLUS
         depends on ARCH_MULTI_V6
-        default y
+        select ARCH_OMAP2PLUS
         select CPU_V6
         select MULTI_IRQ_HANDLER
         select SOC_HAS_OMAP2_SDRC
@@ -65,9 +12,8 @@ config ARCH_OMAP2
 
 config ARCH_OMAP3
         bool "TI OMAP3"
-        depends on ARCH_OMAP2PLUS
         depends on ARCH_MULTI_V7
-        default y
+        select ARCH_OMAP2PLUS
         select ARCH_HAS_OPP
         select ARM_CPU_SUSPEND if PM
         select CPU_V7
@@ -81,9 +27,8 @@ config ARCH_OMAP3
 
 config ARCH_OMAP4
         bool "TI OMAP4"
-        default y
-        depends on ARCH_OMAP2PLUS
         depends on ARCH_MULTI_V7
+        select ARCH_OMAP2PLUS
         select ARCH_HAS_OPP
         select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
         select ARM_CPU_SUSPEND if PM
@@ -108,12 +53,87 @@ config ARCH_OMAP4
 config SOC_OMAP5
         bool "TI OMAP5"
         depends on ARCH_MULTI_V7
+        select ARCH_OMAP2PLUS
         select ARM_CPU_SUSPEND if PM
         select ARM_GIC
         select CPU_V7
+        select HAVE_ARM_SCU if SMP
+        select HAVE_ARM_TWD if LOCAL_TIMERS
         select HAVE_SMP
         select COMMON_CLK
         select HAVE_ARM_ARCH_TIMER
+        select ARM_ERRATA_798181
+
+config SOC_AM33XX
+        bool "AM33XX support"
+        depends on ARCH_MULTI_V7
+        select ARCH_OMAP2PLUS
+        select ARM_CPU_SUSPEND if PM
+        select CPU_V7
+        select MULTI_IRQ_HANDLER
+        select COMMON_CLK
+
+config SOC_AM43XX
+        bool "TI AM43x"
+        depends on ARCH_MULTI_V7
+        select CPU_V7
+        select ARCH_OMAP2PLUS
+        select MULTI_IRQ_HANDLER
+        select ARM_GIC
+        select COMMON_CLK
+        select MACH_OMAP_GENERIC
+
+config ARCH_OMAP2PLUS
+        bool
+        select ARCH_HAS_BANDGAP
+        select ARCH_HAS_CPUFREQ
+        select ARCH_HAS_HOLES_MEMORYMODEL
+        select ARCH_OMAP
+        select ARCH_REQUIRE_GPIOLIB
+        select CLKDEV_LOOKUP
+        select CLKSRC_MMIO
+        select GENERIC_CLOCKEVENTS
+        select GENERIC_IRQ_CHIP
+        select HAVE_CLK
+        select OMAP_DM_TIMER
+        select PINCTRL
+        select PROC_DEVICETREE if PROC_FS
+        select SOC_BUS
+        select SPARSE_IRQ
+        select TI_PRIV_EDMA
+        select USE_OF
+        help
+          Systems based on OMAP2, OMAP3, OMAP4 or OMAP5
+
+
+if ARCH_OMAP2PLUS
+
+menu "TI OMAP2/3/4 Specific Features"
+
+config ARCH_OMAP2PLUS_TYPICAL
+        bool "Typical OMAP configuration"
+        default y
+        select AEABI
+        select HIGHMEM
+        select I2C
+        select I2C_OMAP
+        select MENELAUS if ARCH_OMAP2
+        select NEON if ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5
+        select PM_RUNTIME
+        select REGULATOR
+        select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
+        select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
+        select VFP
+        help
+          Compile a kernel suitable for booting most boards
+
+config SOC_HAS_OMAP2_SDRC
+        bool "OMAP2 SDRAM Controller support"
+
+config SOC_HAS_REALTIME_COUNTER
+        bool "Real time free running counter"
+        depends on SOC_OMAP5
+        default y
 
 comment "OMAP Core Type"
         depends on ARCH_OMAP2
@@ -142,23 +162,6 @@ config SOC_TI81XX
         depends on ARCH_OMAP3
         default y
 
-config SOC_AM33XX
-        bool "AM33XX support"
-        depends on ARCH_MULTI_V7
-        default y
-        select ARM_CPU_SUSPEND if PM
-        select CPU_V7
-        select MULTI_IRQ_HANDLER
-        select COMMON_CLK
-
-config SOC_AM43XX
-        bool "TI AM43x"
-        select CPU_V7
-        select MULTI_IRQ_HANDLER
-        select ARM_GIC
-        select COMMON_CLK
-        select MACH_OMAP_GENERIC
-
 config OMAP_PACKAGE_ZAF
        bool
 
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index ea5a27ff9941..d4f671547c37 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -95,10 +95,6 @@ obj-$(CONFIG_POWER_AVS_OMAP_CLASS3)    += smartreflex-class3.o
 AFLAGS_sleep24xx.o                      :=-Wa,-march=armv6
 AFLAGS_sleep34xx.o                      :=-Wa,-march=armv7-a$(plus_sec)
 
-ifeq ($(CONFIG_PM_VERBOSE),y)
-CFLAGS_pm_bus.o                         += -DDEBUG
-endif
-
 endif
 
 ifeq ($(CONFIG_CPU_IDLE),y)
diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c
index 88e4fa8af031..1eae96212315 100644
--- a/arch/arm/mach-omap2/am33xx-restart.c
+++ b/arch/arm/mach-omap2/am33xx-restart.c
@@ -6,6 +6,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/kernel.h>
+#include <linux/reboot.h>
 
 #include "common.h"
 #include "prm-regbits-33xx.h"
@@ -19,7 +20,7 @@
  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
  * kernel/sys.c.  No return value.
  */
-void am33xx_restart(char mode, const char *cmd)
+void am33xx_restart(enum reboot_mode mode, const char *cmd)
 {
         /* TODO: Handle mode and cmd if necessary */
 
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index b54562d1235e..87e65dde8e13 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -553,6 +553,37 @@ static struct usbhs_omap_platform_data igep3_usbhs_bdata __initdata = {
 
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
+        /* Display Sub System */
+        OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+        /* TFP410 PanelBus DVI Transmitte (GPIO_170) */
+        OMAP3_MUX(HDQ_SIO, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
         /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
         OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
         { .reg_offset = OMAP_MUX_TERMINATOR },
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
index bd74f9f6063b..bdd1e3a179e1 100644
--- a/arch/arm/mach-omap2/board-rx51-video.c
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -61,7 +61,7 @@ static struct omap_dss_board_info rx51_dss_board_info = {
 
 static int __init rx51_video_init(void)
 {
-        if (!machine_is_nokia_rx51())
+        if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
                 return 0;
 
         if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 72cab3f4f16d..dfcc182ecff9 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -31,6 +31,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c/twl.h>
 #include <linux/i2c-omap.h>
+#include <linux/reboot.h>
 
 #include <asm/proc-fns.h>
 
@@ -119,33 +120,33 @@ static inline void omap_soc_device_init(void)
 #endif
 
 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
-void omap2xxx_restart(char mode, const char *cmd);
+void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
 #else
-static inline void omap2xxx_restart(char mode, const char *cmd)
+static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
 {
 }
 #endif
 
 #ifdef CONFIG_SOC_AM33XX
-void am33xx_restart(char mode, const char *cmd);
+void am33xx_restart(enum reboot_mode mode, const char *cmd);
 #else
-static inline void am33xx_restart(char mode, const char *cmd)
+static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
 {
 }
 #endif
 
 #ifdef CONFIG_ARCH_OMAP3
-void omap3xxx_restart(char mode, const char *cmd);
+void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
 #else
-static inline void omap3xxx_restart(char mode, const char *cmd)
+static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
 {
 }
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
-void omap44xx_restart(char mode, const char *cmd);
+void omap44xx_restart(enum reboot_mode mode, const char *cmd);
 #else
-static inline void omap44xx_restart(char mode, const char *cmd)
+static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
 {
 }
 #endif
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index ba8d06598e55..afc201713131 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -15,7 +15,6 @@
 #include <linux/io.h>
 #include <linux/clk.h>
 #include <linux/err.h>
-#include <linux/gpio.h>
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/pinctrl/machine.h>
@@ -66,7 +65,7 @@ static int __init omap3_l3_init(void)
 
         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
 
-        return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
+        return PTR_RET(pdev);
 }
 omap_postcore_initcall(omap3_l3_init);
 
@@ -100,7 +99,7 @@ static int __init omap4_l3_init(void)
 
         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
 
-        return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
+        return PTR_RET(pdev);
 }
 omap_postcore_initcall(omap4_l3_init);
 
diff --git a/arch/arm/mach-omap2/fb.c b/arch/arm/mach-omap2/fb.c
index 190ae493c6ef..2ca33cc0c484 100644
--- a/arch/arm/mach-omap2/fb.c
+++ b/arch/arm/mach-omap2/fb.c
@@ -83,10 +83,7 @@ static int __init omap_init_vrfb(void)
         pdev = platform_device_register_resndata(NULL, "omapvrfb", -1,
                         res, num_res, NULL, 0);
 
-        if (IS_ERR(pdev))
-                return PTR_ERR(pdev);
-        else
-                return 0;
+        return PTR_RET(pdev);
 }
 
 omap_arch_initcall(omap_init_vrfb);
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 1c7969e965d7..f3fdd6afa213 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1734,7 +1734,7 @@ static int __init omap_gpmc_init(void)
         pdev = omap_device_build(DEVICE_NAME, -1, oh, NULL, 0);
         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
 
-        return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
+        return PTR_RET(pdev);
 }
 omap_postcore_initcall(omap_gpmc_init);
 
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index fe3253a100e7..4a3f06f02859 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -394,7 +394,7 @@ static void __init omap_hwmod_init_postsetup(void)
         omap_pm_if_early_init();
 }
 
-static void __init omap_common_late_init(void)
+static void __init __maybe_unused omap_common_late_init(void)
 {
         omap_mux_late_init();
         omap2_common_pm_late_init();
diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S
index 4ea308114165..75e92952c18e 100644
--- a/arch/arm/mach-omap2/omap-headsmp.S
+++ b/arch/arm/mach-omap2/omap-headsmp.S
@@ -20,8 +20,6 @@
 
 #include "omap44xx.h"
 
-        __CPUINIT
-
 /* Physical address needed since MMU not enabled yet on secondary core */
 #define AUX_CORE_BOOT0_PA                       0x48281800
 
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index f993a4188701..f991016e2a6a 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -291,7 +291,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
  * @cpu : CPU ID
  * @power_state: CPU low power state.
  */
-int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
+int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
 {
         struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu);
         unsigned int cpu_state = 0;
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 98a11463a843..8708b2a9da45 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -51,7 +51,7 @@ void __iomem *omap4_get_scu_base(void)
         return scu_base;
 }
 
-static void __cpuinit omap4_secondary_init(unsigned int cpu)
+static void omap4_secondary_init(unsigned int cpu)
 {
         /*
          * Configure ACTRL and enable NS SMP bit access on CPU1 on HS device.
@@ -72,7 +72,7 @@ static void __cpuinit omap4_secondary_init(unsigned int cpu)
         spin_unlock(&boot_lock);
 }
 
-static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
         static struct clockdomain *cpu1_clkdm;
         static bool booted;
diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
index f8bb3b9b6a76..813c61558a5f 100644
--- a/arch/arm/mach-omap2/omap-wakeupgen.c
+++ b/arch/arm/mach-omap2/omap-wakeupgen.c
@@ -323,8 +323,8 @@ static void irq_save_secure_context(void)
 #endif
 
 #ifdef CONFIG_HOTPLUG_CPU
-static int __cpuinit irq_cpu_hotplug_notify(struct notifier_block *self,
-                                         unsigned long action, void *hcpu)
+static int irq_cpu_hotplug_notify(struct notifier_block *self,
+                                  unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned int)hcpu;
 
diff --git a/arch/arm/mach-omap2/omap2-restart.c b/arch/arm/mach-omap2/omap2-restart.c
index 719b716a4494..68423e26399d 100644
--- a/arch/arm/mach-omap2/omap2-restart.c
+++ b/arch/arm/mach-omap2/omap2-restart.c
@@ -31,7 +31,7 @@ static struct clk *reset_virt_prcm_set_ck, *reset_sys_ck;
  * Set the DPLL to bypass so that reboot completes successfully.  No
  * return value.
  */
-void omap2xxx_restart(char mode, const char *cmd)
+void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
 {
         u32 rate;
 
diff --git a/arch/arm/mach-omap2/omap3-restart.c b/arch/arm/mach-omap2/omap3-restart.c
index 923c582189e5..5de2a0c2979d 100644
--- a/arch/arm/mach-omap2/omap3-restart.c
+++ b/arch/arm/mach-omap2/omap3-restart.c
@@ -12,6 +12,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/reboot.h>
 
 #include "iomap.h"
 #include "common.h"
@@ -28,7 +29,7 @@
  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
  * kernel/sys.c.  No return value.
  */
-void omap3xxx_restart(char mode, const char *cmd)
+void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
 {
         omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
         omap3xxx_prm_dpll3_reset(); /* never returns */
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 38cd3a69cff3..57911430324e 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -23,6 +23,7 @@
 #include <linux/export.h>
 #include <linux/irqchip/arm-gic.h>
 #include <linux/of_address.h>
+#include <linux/reboot.h>
 
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/map.h>
diff --git a/arch/arm/mach-omap2/omap4-restart.c b/arch/arm/mach-omap2/omap4-restart.c
index f90e02e11898..41dfd7da8170 100644
--- a/arch/arm/mach-omap2/omap4-restart.c
+++ b/arch/arm/mach-omap2/omap4-restart.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/reboot.h>
 #include "prminst44xx.h"
 
 /**
@@ -18,7 +19,7 @@
  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
  * kernel/sys.c.  No return value.
  */
-void omap44xx_restart(char mode, const char *cmd)
+void omap44xx_restart(enum reboot_mode mode, const char *cmd)
 {
         /* XXX Should save 'cmd' into scratchpad for use after reboot */
         omap4_prminst_global_warm_sw_reset(); /* never returns */
diff --git a/arch/arm/mach-omap2/pmu.c b/arch/arm/mach-omap2/pmu.c
index 9ace8eae7ee8..33c8846b4193 100644
--- a/arch/arm/mach-omap2/pmu.c
+++ b/arch/arm/mach-omap2/pmu.c
@@ -54,10 +54,7 @@ static int __init omap2_init_pmu(unsigned oh_num, char *oh_names[])
         WARN(IS_ERR(omap_pmu_dev), "Can't build omap_device for %s.\n",
              dev_name);
 
-        if (IS_ERR(omap_pmu_dev))
-                return PTR_ERR(omap_pmu_dev);
-
-        return 0;
+        return PTR_RET(omap_pmu_dev);
 }
 
 static int __init omap_init_pmu(void)
diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S
index 88ff83a0942e..9086ce03ae12 100644
--- a/arch/arm/mach-omap2/sleep44xx.S
+++ b/arch/arm/mach-omap2/sleep44xx.S
@@ -34,6 +34,8 @@ ppa_zero_params:
 ppa_por_params:
         .word           1, 0
 
+#ifdef CONFIG_ARCH_OMAP4
+
 /*
  * =============================
  * == CPU suspend finisher ==
@@ -326,7 +328,9 @@ skip_l2en:
 
         b       cpu_resume                      @ Jump to generic resume
 ENDPROC(omap4_cpu_resume)
-#endif
+#endif  /* CONFIG_ARCH_OMAP4 */
+
+#endif  /* defined(CONFIG_SMP) && defined(CONFIG_PM) */
 
 #ifndef CONFIG_OMAP4_ERRATA_I688
 ENTRY(omap_bus_sync)
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 3bdb0fb02028..b37e1fcbad56 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -41,10 +41,10 @@
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/dmtimer-omap.h>
+#include <linux/sched_clock.h>
 
 #include <asm/mach/time.h>
 #include <asm/smp_twd.h>
-#include <asm/sched_clock.h>
 
 #include "omap_hwmod.h"
 #include "omap_device.h"
@@ -220,7 +220,7 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
                                          int posted)
 {
         char name[10]; /* 10 = sizeof("gptXX_Xck0") */
-        const char *oh_name;
+        const char *oh_name = NULL;
         struct device_node *np;
         struct omap_hwmod *oh;
         struct resource irq, mem;