33 files changed, 643 insertions, 220 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 7177c4aa6342..242dd0775343 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -915,6 +915,14 @@ void __init kirkwood_init(void)
         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 
+        /*
+         * Disable propagation of mbus errors to the CPU local bus,
+         * as this causes mbus errors (which can occur for example
+         * for PCI aborts) to throw CPU aborts, which we're not set
+         * up to deal with.
+         */
+        writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
+
         kirkwood_setup_cpu_mbus();
 
 #ifdef CONFIG_CACHE_FEROCEON_L2
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
index 9e80d9232c83..418f5017c50e 100644
--- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
+++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
@@ -13,6 +13,9 @@
 
 #include <mach/kirkwood.h>
 
+#define CPU_CONFIG              (BRIDGE_VIRT_BASE | 0x0100)
+#define CPU_CONFIG_ERROR_PROP   0x00000004
+
 #define CPU_CONTROL             (BRIDGE_VIRT_BASE | 0x0104)
 #define CPU_RESET               0x00000002
 
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index be60d6deee8b..653e25be3dd8 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -408,7 +408,7 @@ static struct platform_device keypad_device = {
 };
 
 static struct platform_device rtc_device = {
-        .name = "rtc0",
+        .name = "rtc-coh901331",
         .id = -1,
         .num_resources = ARRAY_SIZE(rtc_resources),
         .resource = rtc_resources,
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 03bd56a2fb6e..1aad0d9f5074 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1,6 +1,7 @@
 config MIPS
         bool
         default y
+        select HAVE_GENERIC_DMA_COHERENT
         select HAVE_IDE
         select HAVE_OPROFILE
         select HAVE_ARCH_KGDB
diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
index 079e33d52783..fb284c3b2cff 100644
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -100,7 +100,7 @@ static __init void prom_init_console(void)
 
 static __init void prom_init_cmdline(void)
 {
-        char buf[CL_SIZE];
+        static char buf[CL_SIZE] __initdata;
 
         /* Get the kernel command line from CFE */
         if (cfe_getenv("LINUX_CMDLINE", buf, CL_SIZE) >= 0) {
diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig
index c69813b8488c..6c6a19aebe1f 100644
--- a/arch/mips/configs/rbtx49xx_defconfig
+++ b/arch/mips/configs/rbtx49xx_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc7
-# Wed Mar  4 23:08:06 2009
+# Linux kernel version: 2.6.32-rc6
+# Sun Nov  8 22:59:47 2009
 #
 CONFIG_MIPS=y
 
@@ -9,16 +9,18 @@ CONFIG_MIPS=y
 # Machine selection
 #
 # CONFIG_MACH_ALCHEMY is not set
+# CONFIG_AR7 is not set
 # CONFIG_BASLER_EXCITE is not set
 # CONFIG_BCM47XX is not set
+# CONFIG_BCM63XX is not set
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_LASAT is not set
-# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_MACH_LOONGSON is not set
 # CONFIG_MIPS_MALTA is not set
 # CONFIG_MIPS_SIM is not set
-# CONFIG_MACH_EMMA is not set
+# CONFIG_NEC_MARKEINS is not set
 # CONFIG_MACH_VR41XX is not set
 # CONFIG_NXP_STB220 is not set
 # CONFIG_NXP_STB225 is not set
@@ -45,6 +47,7 @@ CONFIG_MACH_TX49XX=y
 # CONFIG_WR_PPMC is not set
 # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
 # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
+# CONFIG_ALCHEMY_GPIO_INDIRECT is not set
 CONFIG_MACH_TXX9=y
 CONFIG_TOSHIBA_RBTX4927=y
 CONFIG_TOSHIBA_RBTX4938=y
@@ -86,7 +89,6 @@ CONFIG_DMA_NONCOHERENT=y
 CONFIG_DMA_NEED_PCI_MAP_STATE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y
-# CONFIG_HOTPLUG_CPU is not set
 # CONFIG_NO_IOPORT is not set
 CONFIG_GENERIC_GPIO=y
 CONFIG_CPU_BIG_ENDIAN=y
@@ -101,7 +103,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
-# CONFIG_CPU_LOONGSON2 is not set
+# CONFIG_CPU_LOONGSON2E is not set
 # CONFIG_CPU_MIPS32_R1 is not set
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
@@ -137,6 +139,7 @@ CONFIG_32BIT=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_32KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_CPU_HAS_PREFETCH=y
 CONFIG_MIPS_MT_DISABLED=y
@@ -154,7 +157,10 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -175,6 +181,7 @@ CONFIG_PREEMPT_NONE=y
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -194,11 +201,12 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -209,8 +217,12 @@ CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 CONFIG_EMBEDDED=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
@@ -220,25 +232,35 @@ CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 # CONFIG_PCSPKR_PLATFORM is not set
-CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
-# CONFIG_FUTEX is not set
-CONFIG_ANON_INODES=y
+CONFIG_FUTEX=y
 # CONFIG_EPOLL is not set
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_PCI_QUIRKS=y
+CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -246,8 +268,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
@@ -274,6 +296,7 @@ CONFIG_PCI_DOMAINS=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
 # CONFIG_PCI_LEGACY is not set
 # CONFIG_PCI_STUB is not set
+# CONFIG_PCI_IOV is not set
 CONFIG_MMU=y
 
 #
@@ -288,6 +311,7 @@ CONFIG_TRAD_SIGNALS=y
 #
 # Power management options
 #
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # CONFIG_PM is not set
 CONFIG_NET=y
@@ -295,7 +319,6 @@ CONFIG_NET=y
 #
 # Networking options
 #
-CONFIG_COMPAT_NET_DEV_OPS=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -311,6 +334,7 @@ CONFIG_IP_PNP=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
 # CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
 # CONFIG_SYN_COOKIES is not set
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
@@ -336,6 +360,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LLC2 is not set
 # CONFIG_IPX is not set
 # CONFIG_ATALK is not set
+# CONFIG_PHONET is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -347,7 +372,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
-# CONFIG_PHONET is not set
 # CONFIG_WIRELESS is not set
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
@@ -365,9 +389,9 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
-# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
@@ -376,9 +400,9 @@ CONFIG_MTD_CMDLINE_PARTS=y
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=y
-# CONFIG_MTD_BLKDEVS is not set
-# CONFIG_MTD_BLOCK is not set
-# CONFIG_MTD_BLOCK_RO is not set
+CONFIG_MTD_BLKDEVS=m
+CONFIG_MTD_BLOCK=m
+CONFIG_MTD_BLOCK_RO=m
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
@@ -414,16 +438,20 @@ CONFIG_MTD_CFI_UTIL=y
 #
 # Mapping drivers for chip access
 #
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_PHYSMAP=y
 # CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_PCI is not set
+# CONFIG_MTD_GPIO_ADDR is not set
 # CONFIG_MTD_INTEL_VR_NOR is not set
+CONFIG_MTD_RBTX4939=y
 # CONFIG_MTD_PLATRAM is not set
 
 #
 # Self-contained MTD device drivers
 #
 # CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -435,7 +463,15 @@ CONFIG_MTD_PHYSMAP=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-# CONFIG_MTD_NAND is not set
+CONFIG_MTD_NAND=m
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=m
+# CONFIG_MTD_NAND_CAFE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+CONFIG_MTD_NAND_TXX9NDFMC=m
 # CONFIG_MTD_ONENAND is not set
 
 #
@@ -471,6 +507,7 @@ CONFIG_IDE=y
 #
 # Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
+CONFIG_IDE_XFER_MODE=y
 CONFIG_IDE_TIMINGS=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_IDE_GD=y
@@ -534,8 +571,13 @@ CONFIG_BLK_DEV_IDEDMA=y
 #
 
 #
-# A new alternative FireWire stack is available with EXPERIMENTAL=y
+# You can enable one or both FireWire driver stacks.
 #
+
+#
+# See the help texts for more information.
+#
+# CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
@@ -574,6 +616,8 @@ CONFIG_MII=y
 # CONFIG_NET_VENDOR_3COM is not set
 CONFIG_SMC91X=y
 # CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_DNET is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
 CONFIG_NE2000=y
@@ -602,18 +646,15 @@ CONFIG_TC35815=y
 # CONFIG_SMSC9420 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WLAN is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -653,6 +694,7 @@ CONFIG_DEVKMEM=y
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_TXX9=y
@@ -666,7 +708,9 @@ CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_HW_RANDOM is not set
+CONFIG_HW_RANDOM=m
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+CONFIG_HW_RANDOM_TX4939=m
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
 # CONFIG_RAW_DRIVER is not set
@@ -686,6 +730,10 @@ CONFIG_SPI_TXX9=y
 # SPI Protocol Masters
 #
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 CONFIG_GPIOLIB=y
 
@@ -701,17 +749,22 @@ CONFIG_GPIOLIB=y
 # PCI GPIO expanders:
 #
 # CONFIG_GPIO_BT8XX is not set
+# CONFIG_GPIO_LANGWELL is not set
 
 #
 # SPI GPIO expanders:
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -740,28 +793,17 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
 #
+# CONFIG_VGA_ARB is not set
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
@@ -772,7 +814,42 @@ CONFIG_SSB_POSSIBLE=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-# CONFIG_SOUND is not set
+CONFIG_SOUND=m
+# CONFIG_SOUND_OSS_CORE is not set
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_HRTIMER is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_VERBOSE_PROCFS is not set
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_VMASTER=y
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+CONFIG_SND_AC97_CODEC=m
+# CONFIG_SND_DRIVERS is not set
+# CONFIG_SND_PCI is not set
+# CONFIG_SND_SPI is not set
+# CONFIG_SND_MIPS is not set
+CONFIG_SND_SOC=m
+CONFIG_SND_SOC_AC97_BUS=y
+CONFIG_SND_SOC_TXX9ACLC=m
+CONFIG_HAS_TXX9_ACLC=y
+CONFIG_SND_SOC_TXX9ACLC_AC97=m
+CONFIG_SND_SOC_TXX9ACLC_GENERIC=m
+CONFIG_SND_SOC_I2C_AND_SPI=m
+# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_AC97_CODEC=m
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -783,6 +860,8 @@ CONFIG_LEDS_CLASS=y
 # LED drivers
 #
 CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_GPIO_PLATFORM=y
+# CONFIG_LEDS_DAC124S085 is not set
 
 #
 # LED Triggers
@@ -792,7 +871,12 @@ CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_IDE_DISK=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
+# CONFIG_LEDS_TRIGGER_GPIO is not set
 # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 CONFIG_RTC_LIB=y
@@ -820,6 +904,7 @@ CONFIG_RTC_INTF_DEV_UIE_EMUL=y
 # CONFIG_RTC_DRV_R9701 is not set
 CONFIG_RTC_DRV_RS5C348=y
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -840,8 +925,26 @@ CONFIG_RTC_DRV_DS1742=y
 # on-CPU RTC drivers
 #
 CONFIG_RTC_DRV_TX4939=y
-# CONFIG_DMADEVICES is not set
+CONFIG_DMADEVICES=y
+
+#
+# DMA Devices
+#
+CONFIG_TXX9_DMAC=m
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+# CONFIG_NET_DMA is not set
+# CONFIG_ASYNC_TX_DMA is not set
+# CONFIG_DMATEST is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
@@ -853,9 +956,10 @@ CONFIG_RTC_DRV_TX4939=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -866,6 +970,10 @@ CONFIG_INOTIFY_USER=y
 CONFIG_GENERIC_ACL=y
 
 #
+# Caches
+#
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -890,7 +998,27 @@ CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_HFSPLUS_FS is not set
+CONFIG_JFFS2_FS=m
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
@@ -922,6 +1050,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
@@ -929,11 +1058,9 @@ CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
-
-#
-# Tracers
-#
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 CONFIG_CMDLINE=""
@@ -946,6 +1073,7 @@ CONFIG_CMDLINE=""
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
@@ -959,6 +1087,10 @@ CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index d16afddb09a9..664ba53dc32a 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -3,6 +3,7 @@
 
 #include <asm/scatterlist.h>
 #include <asm/cache.h>
+#include <asm-generic/dma-coherent.h>
 
 void *dma_alloc_noncoherent(struct device *dev, size_t size,
                            dma_addr_t *dma_handle, gfp_t flag);
@@ -73,14 +74,4 @@ extern int dma_is_consistent(struct device *dev, dma_addr_t dma_addr);
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction);
 
-#if 0
-#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-
-extern int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
-        dma_addr_t device_addr, size_t size, int flags);
-extern void dma_release_declared_memory(struct device *dev);
-extern void * dma_mark_declared_memory_occupied(struct device *dev,
-        dma_addr_t device_addr, size_t size);
-#endif
-
 #endif /* _ASM_DMA_MAPPING_H */
diff --git a/arch/mips/kernel/cevt-smtc.c b/arch/mips/kernel/cevt-smtc.c
index 98bd7de75778..b102e4f1630e 100644
--- a/arch/mips/kernel/cevt-smtc.c
+++ b/arch/mips/kernel/cevt-smtc.c
@@ -173,11 +173,12 @@ void smtc_distribute_timer(int vpe)
         unsigned int mtflags;
         int cpu;
         struct clock_event_device *cd;
-        unsigned long nextstamp = 0L;
+        unsigned long nextstamp;
         unsigned long reference;
 
 
 repeat:
+        nextstamp = 0L;
         for_each_online_cpu(cpu) {
             /*
              * Find virtual CPUs within the current VPE who have
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 890f77927d62..454b53924490 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -163,33 +163,34 @@ static int isBranchInstr(mips_instruction * i)
 
 /*
  * In the Linux kernel, we support selection of FPR format on the
- * basis of the Status.FR bit.  This does imply that, if a full 32
- * FPRs are desired, there needs to be a flip-flop that can be written
- * to one at that bit position.  In any case, O32 MIPS ABI uses
- * only the even FPRs (Status.FR = 0).
+ * basis of the Status.FR bit.  If an FPU is not present, the FR bit
+ * is hardwired to zero, which would imply a 32-bit FPU even for
+ * 64-bit CPUs.  For 64-bit kernels with no FPU we use TIF_32BIT_REGS
+ * as a proxy for the FR bit so that a 64-bit FPU is emulated.  In any
+ * case, for a 32-bit kernel which uses the O32 MIPS ABI, only the
+ * even FPRs are used (Status.FR = 0).
  */
-
-#define CP0_STATUS_FR_SUPPORT
-
-#ifdef CP0_STATUS_FR_SUPPORT
-#define FR_BIT ST0_FR
+static inline int cop1_64bit(struct pt_regs *xcp)
+{
+        if (cpu_has_fpu)
+                return xcp->cp0_status & ST0_FR;
+#ifdef CONFIG_64BIT
+        return !test_thread_flag(TIF_32BIT_REGS);
 #else
-#define FR_BIT 0
+        return 0;
 #endif
+}
+
+#define SIFROMREG(si, x) ((si) = cop1_64bit(xcp) || !(x & 1) ? \
+                        (int)ctx->fpr[x] : (int)(ctx->fpr[x & ~1] >> 32))
 
-#define SIFROMREG(si, x) ((si) = \
-                        (xcp->cp0_status & FR_BIT) || !(x & 1) ? \
-                        (int)ctx->fpr[x] : \
-                        (int)(ctx->fpr[x & ~1] >> 32 ))
-#define SITOREG(si, x)  (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] = \
-                        (xcp->cp0_status & FR_BIT) || !(x & 1) ? \
+#define SITOREG(si, x)  (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = \
+                        cop1_64bit(xcp) || !(x & 1) ? \
                         ctx->fpr[x & ~1] >> 32 << 32 | (u32)(si) : \
                         ctx->fpr[x & ~1] << 32 >> 32 | (u64)(si) << 32)
 
-#define DIFROMREG(di, x) ((di) = \
-                        ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)])
-#define DITOREG(di, x)  (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] \
-                        = (di))
+#define DIFROMREG(di, x) ((di) = ctx->fpr[x & ~(cop1_64bit(xcp) == 0)])
+#define DITOREG(di, x)  (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = (di))
 
 #define SPFROMREG(sp, x) SIFROMREG((sp).bits, x)
 #define SPTOREG(sp, x)  SITOREG((sp).bits, x)
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 7e48e76148aa..9367e33fbd18 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -90,6 +90,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 {
         void *ret;
 
+        if (dma_alloc_from_coherent(dev, size, dma_handle, &ret))
+                return ret;
+
         gfp = massage_gfp_flags(dev, gfp);
 
         ret = (void *) __get_free_pages(gfp, get_order(size));
@@ -122,6 +125,10 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
         dma_addr_t dma_handle)
 {
         unsigned long addr = (unsigned long) vaddr;
+        int order = get_order(size);
+
+        if (dma_release_from_coherent(dev, order, vaddr))
+                return;
 
         plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);
 
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 61888ff72c87..9035c64bc5ed 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -54,7 +54,8 @@ static struct prom_pmemblock * __init prom_getmdesc(void)
 {
         char *memsize_str;
         unsigned int memsize;
-        char cmdline[CL_SIZE], *ptr;
+        char *ptr;
+        static char cmdline[CL_SIZE] __initdata;
 
         /* otherwise look in the environment */
         memsize_str = prom_getenv("memsize");
diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
index 46ca24dbcc2d..ad5bd1097974 100644
--- a/arch/mips/rb532/prom.c
+++ b/arch/mips/rb532/prom.c
@@ -69,7 +69,7 @@ static inline unsigned long tag2ul(char *arg, const char *tag)
 
 void __init prom_setup_cmdline(void)
 {
-        char cmd_line[CL_SIZE];
+        static char cmd_line[CL_SIZE] __initdata;
         char *cp, *board;
         int prom_argc;
         char **prom_argv, **prom_envp;
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index e10184c1b3e1..d66802edebb2 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -160,7 +160,7 @@ static void __init prom_init_cmdline(void)
         int argc;
         int *argv32;
         int i;                  /* Always ignore the "-c" at argv[0] */
-        char builtin[CL_SIZE];
+        static char builtin[CL_SIZE] __initdata;
 
         if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) {
                 /*
@@ -315,7 +315,7 @@ static inline void txx9_cache_fixup(void)
 
 static void __init preprocess_cmdline(void)
 {
-        char cmdline[CL_SIZE];
+        static char cmdline[CL_SIZE] __initdata;
         char *s;
 
         strcpy(cmdline, arcs_cmdline);
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index bf8b4ae7ff2d..e49e9e0c69fd 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -55,6 +55,7 @@ static void __init reset_tod_clock(void)
                 disabled_wait(0);
 
         sched_clock_base_cc = TOD_UNIX_EPOCH;
+        S390_lowcore.last_update_clock = sched_clock_base_cc;
 }
 
 #ifdef CONFIG_SHARED_KERNEL
@@ -167,6 +168,14 @@ static noinline __init void create_kernel_nss(void)
                 return;
         }
 
+        /* re-initialize cputime accounting. */
+        sched_clock_base_cc = get_clock();
+        S390_lowcore.last_update_clock = sched_clock_base_cc;
+        S390_lowcore.last_update_timer = 0x7fffffffffffffffULL;
+        S390_lowcore.user_timer = 0;
+        S390_lowcore.system_timer = 0;
+        asm volatile("SPT 0(%0)" : : "a" (&S390_lowcore.last_update_timer));
+
         /* re-setup boot command line with new ipl vm parms */
         ipl_update_parameters();
         setup_boot_command_line();
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index f43d2ee54464..48215d15762b 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -565,10 +565,10 @@ pgm_svcper:
         lh      %r7,0x8a                # get svc number from lowcore
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
         TRACE_IRQS_OFF
-        l       %r1,__TI_task(%r9)
-        mvc     __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
-        mvc     __THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
-        mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
+        l       %r8,__TI_task(%r9)
+        mvc     __THREAD_per+__PER_atmid(2,%r8),__LC_PER_ATMID
+        mvc     __THREAD_per+__PER_address(4,%r8),__LC_PER_ADDRESS
+        mvc     __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
         oi      __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
         TRACE_IRQS_ON
         stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index a6f7b20df616..9aff1d449b6e 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -543,10 +543,10 @@ pgm_svcper:
         mvc     __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
         llgh    %r7,__LC_SVC_INT_CODE   # get svc number from lowcore
         lg      %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
-        lg      %r1,__TI_task(%r9)
-        mvc     __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
-        mvc     __THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS
-        mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
+        lg      %r8,__TI_task(%r9)
+        mvc     __THREAD_per+__PER_atmid(2,%r8),__LC_PER_ATMID
+        mvc     __THREAD_per+__PER_address(8,%r8),__LC_PER_ADDRESS
+        mvc     __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
         oi      __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
         TRACE_IRQS_ON
         stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2fb38027f3bb..44bc8bbabf54 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -600,11 +600,13 @@ static int btusb_close(struct hci_dev *hdev)
         btusb_stop_traffic(data);
         err = usb_autopm_get_interface(data->intf);
         if (err < 0)
-                return 0;
+                goto failed;
 
         data->intf->needs_remote_wakeup = 0;
         usb_autopm_put_interface(data->intf);
 
+failed:
+        usb_scuttle_anchored_urbs(&data->deferred);
         return 0;
 }
 
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index 72c63e5dd630..38df81fcdc3a 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -337,16 +337,16 @@ int input_ff_create(struct input_dev *dev, int max_effects)
         dev->ff = ff;
         dev->flush = flush_effects;
         dev->event = input_ff_event;
-        set_bit(EV_FF, dev->evbit);
+        __set_bit(EV_FF, dev->evbit);
 
         /* Copy "true" bits into ff device bitmap */
         for (i = 0; i <= FF_MAX; i++)
                 if (test_bit(i, dev->ffbit))
-                        set_bit(i, ff->ffbit);
+                        __set_bit(i, ff->ffbit);
 
         /* we can emulate RUMBLE with periodic effects */
         if (test_bit(FF_PERIODIC, ff->ffbit))
-                set_bit(FF_RUMBLE, dev->ffbit);
+                __set_bit(FF_RUMBLE, dev->ffbit);
 
         return 0;
 }
@@ -362,12 +362,14 @@ EXPORT_SYMBOL_GPL(input_ff_create);
  */
 void input_ff_destroy(struct input_dev *dev)
 {
-        clear_bit(EV_FF, dev->evbit);
-        if (dev->ff) {
-                if (dev->ff->destroy)
-                        dev->ff->destroy(dev->ff);
-                kfree(dev->ff->private);
-                kfree(dev->ff);
+        struct ff_device *ff = dev->ff;
+
+        __clear_bit(EV_FF, dev->evbit);
+        if (ff) {
+                if (ff->destroy)
+                        ff->destroy(ff);
+                kfree(ff->private);
+                kfree(ff);
                 dev->ff = NULL;
         }
 }
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index 2d1415e16834..b483b2995fa9 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -61,7 +61,6 @@ struct ml_device {
         struct ml_effect_state states[FF_MEMLESS_EFFECTS];
         int gain;
         struct timer_list timer;
-        spinlock_t timer_lock;
         struct input_dev *dev;
 
         int (*play_effect)(struct input_dev *dev, void *data,
@@ -368,38 +367,38 @@ static void ml_effect_timer(unsigned long timer_data)
 {
         struct input_dev *dev = (struct input_dev *)timer_data;
         struct ml_device *ml = dev->ff->private;
+        unsigned long flags;
 
         debug("timer: updating effects");
 
-        spin_lock(&ml->timer_lock);
+        spin_lock_irqsave(&dev->event_lock, flags);
         ml_play_effects(ml);
-        spin_unlock(&ml->timer_lock);
+        spin_unlock_irqrestore(&dev->event_lock, flags);
 }
 
+/*
+ * Sets requested gain for FF effects. Called with dev->event_lock held.
+ */
 static void ml_ff_set_gain(struct input_dev *dev, u16 gain)
 {
         struct ml_device *ml = dev->ff->private;
         int i;
 
-        spin_lock_bh(&ml->timer_lock);
-
         ml->gain = gain;
 
         for (i = 0; i < FF_MEMLESS_EFFECTS; i++)
                 __clear_bit(FF_EFFECT_PLAYING, &ml->states[i].flags);
 
         ml_play_effects(ml);
-
-        spin_unlock_bh(&ml->timer_lock);
 }
 
+/*
+ * Start/stop specified FF effect. Called with dev->event_lock held.
+ */
 static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
 {
         struct ml_device *ml = dev->ff->private;
         struct ml_effect_state *state = &ml->states[effect_id];
-        unsigned long flags;
-
-        spin_lock_irqsave(&ml->timer_lock, flags);
 
         if (value > 0) {
                 debug("initiated play");
@@ -425,8 +424,6 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
                 ml_play_effects(ml);
         }
 
-        spin_unlock_irqrestore(&ml->timer_lock, flags);
-
         return 0;
 }
 
@@ -436,7 +433,7 @@ static int ml_ff_upload(struct input_dev *dev,
         struct ml_device *ml = dev->ff->private;
         struct ml_effect_state *state = &ml->states[effect->id];
 
-        spin_lock_bh(&ml->timer_lock);
+        spin_lock_irq(&dev->event_lock);
 
         if (test_bit(FF_EFFECT_STARTED, &state->flags)) {
                 __clear_bit(FF_EFFECT_PLAYING, &state->flags);
@@ -448,7 +445,7 @@ static int ml_ff_upload(struct input_dev *dev,
                 ml_schedule_timer(ml);
         }
 
-        spin_unlock_bh(&ml->timer_lock);
+        spin_unlock_irq(&dev->event_lock);
 
         return 0;
 }
@@ -482,7 +479,6 @@ int input_ff_create_memless(struct input_dev *dev, void *data,
         ml->private = data;
         ml->play_effect = play_effect;
         ml->gain = 0xffff;
-        spin_lock_init(&ml->timer_lock);
         setup_timer(&ml->timer, ml_effect_timer, (unsigned long)dev);
 
         set_bit(FF_GAIN, dev->ffbit);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index cc763c96fada..2266ecbfbc01 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1292,17 +1292,24 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
         return 0;
 }
 
-#define INPUT_DO_TOGGLE(dev, type, bits, on)                    \
-        do {                                                    \
-                int i;                                          \
-                if (!test_bit(EV_##type, dev->evbit))           \
-                        break;                                  \
-                for (i = 0; i < type##_MAX; i++) {              \
-                        if (!test_bit(i, dev->bits##bit) ||     \
-                            !test_bit(i, dev->bits))            \
-                                continue;                       \
-                        dev->event(dev, EV_##type, i, on);      \
-                }                                               \
+#define INPUT_DO_TOGGLE(dev, type, bits, on)                            \
+        do {                                                            \
+                int i;                                                  \
+                bool active;                                            \
+                                                                        \
+                if (!test_bit(EV_##type, dev->evbit))                   \
+                        break;                                          \
+                                                                        \
+                for (i = 0; i < type##_MAX; i++) {                      \
+                        if (!test_bit(i, dev->bits##bit))               \
+                                continue;                               \
+                                                                        \
+                        active = test_bit(i, dev->bits);                \
+                        if (!active && !on)                             \
+                                continue;                               \
+                                                                        \
+                        dev->event(dev, EV_##type, i, on ? active : 0); \
+                }                                                       \
         } while (0)
 
 #ifdef CONFIG_PM
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 4452eabbee6d..28e6110d1ff8 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1174,6 +1174,18 @@ static int atkbd_reconnect(struct serio *serio)
                         return -1;
 
                 atkbd_activate(atkbd);
+
+                /*
+                 * Restore LED state and repeat rate. While input core
+                 * will do this for us at resume time reconnect may happen
+                 * because user requested it via sysfs or simply because
+                 * keyboard was unplugged and plugged in again so we need
+                 * to do it ourselves here.
+                 */
+                atkbd_set_leds(atkbd);
+                if (!atkbd->softrepeat)
+                        atkbd_set_repeat_rate(atkbd);
+
         }
 
         atkbd_enable(atkbd);
@@ -1422,6 +1434,7 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
 
                 atkbd->dev = new_dev;
                 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
+                atkbd_reset_state(atkbd);
                 atkbd_activate(atkbd);
                 atkbd_set_keycode_table(atkbd);
                 atkbd_set_device_attrs(atkbd);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 690aed905436..5bd64841bf1c 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1673,7 +1673,7 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
 {
         int type = *((unsigned int *)kp->arg);
 
-        return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name);
+        return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name);
 }
 
 static int __init psmouse_init(void)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e64c971038d1..b182f86a19dd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -944,6 +944,14 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
                             desc->raid_disk < mddev->raid_disks */) {
                         set_bit(In_sync, &rdev->flags);
                         rdev->raid_disk = desc->raid_disk;
+                } else if (desc->state & (1<<MD_DISK_ACTIVE)) {
+                        /* active but not in sync implies recovery up to
+                         * reshape position.  We don't know exactly where
+                         * that is, so set to zero for now */
+                        if (mddev->minor_version >= 91) {
+                                rdev->recovery_offset = 0;
+                                rdev->raid_disk = desc->raid_disk;
+                        }
                 }
                 if (desc->state & (1<<MD_DISK_WRITEMOSTLY))
                         set_bit(WriteMostly, &rdev->flags);
@@ -1032,8 +1040,19 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
         list_for_each_entry(rdev2, &mddev->disks, same_set) {
                 mdp_disk_t *d;
                 int desc_nr;
-                if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags)
-                    && !test_bit(Faulty, &rdev2->flags))
+                int is_active = test_bit(In_sync, &rdev2->flags);
+
+                if (rdev2->raid_disk >= 0 &&
+                    sb->minor_version >= 91)
+                        /* we have nowhere to store the recovery_offset,
+                         * but if it is not below the reshape_position,
+                         * we can piggy-back on that.
+                         */
+                        is_active = 1;
+                if (rdev2->raid_disk < 0 ||
+                    test_bit(Faulty, &rdev2->flags))
+                        is_active = 0;
+                if (is_active)
                         desc_nr = rdev2->raid_disk;
                 else
                         desc_nr = next_spare++;
@@ -1043,16 +1062,16 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
                 d->number = rdev2->desc_nr;
                 d->major = MAJOR(rdev2->bdev->bd_dev);
                 d->minor = MINOR(rdev2->bdev->bd_dev);
-                if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags)
-                    && !test_bit(Faulty, &rdev2->flags))
+                if (is_active)
                         d->raid_disk = rdev2->raid_disk;
                 else
                         d->raid_disk = rdev2->desc_nr; /* compatibility */
                 if (test_bit(Faulty, &rdev2->flags))
                         d->state = (1<<MD_DISK_FAULTY);
-                else if (test_bit(In_sync, &rdev2->flags)) {
+                else if (is_active) {
                         d->state = (1<<MD_DISK_ACTIVE);
-                        d->state |= (1<<MD_DISK_SYNC);
+                        if (test_bit(In_sync, &rdev2->flags))
+                                d->state |= (1<<MD_DISK_SYNC);
                         active++;
                         working++;
                 } else {
@@ -1382,8 +1401,6 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 
         if (rdev->raid_disk >= 0 &&
             !test_bit(In_sync, &rdev->flags)) {
-                if (mddev->curr_resync_completed > rdev->recovery_offset)
-                        rdev->recovery_offset = mddev->curr_resync_completed;
                 if (rdev->recovery_offset > 0) {
                         sb->feature_map |=
                                 cpu_to_le32(MD_FEATURE_RECOVERY_OFFSET);
@@ -1917,6 +1934,14 @@ static void sync_sbs(mddev_t * mddev, int nospares)
          */
         mdk_rdev_t *rdev;
 
+        /* First make sure individual recovery_offsets are correct */
+        list_for_each_entry(rdev, &mddev->disks, same_set) {
+                if (rdev->raid_disk >= 0 &&
+                    !test_bit(In_sync, &rdev->flags) &&
+                    mddev->curr_resync_completed > rdev->recovery_offset)
+                                rdev->recovery_offset = mddev->curr_resync_completed;
+
+        }       
         list_for_each_entry(rdev, &mddev->disks, same_set) {
                 if (rdev->sb_events == mddev->events ||
                     (nospares &&
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dcce204b6c73..d29215d966da 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4823,11 +4823,40 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
                 return ERR_PTR(-ENOMEM);
 }
 
+
+static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded)
+{
+        switch (algo) {
+        case ALGORITHM_PARITY_0:
+                if (raid_disk < max_degraded)
+                        return 1;
+                break;
+        case ALGORITHM_PARITY_N:
+                if (raid_disk >= raid_disks - max_degraded)
+                        return 1;
+                break;
+        case ALGORITHM_PARITY_0_6:
+                if (raid_disk == 0 || 
+                    raid_disk == raid_disks - 1)
+                        return 1;
+                break;
+        case ALGORITHM_LEFT_ASYMMETRIC_6:
+        case ALGORITHM_RIGHT_ASYMMETRIC_6:
+        case ALGORITHM_LEFT_SYMMETRIC_6:
+        case ALGORITHM_RIGHT_SYMMETRIC_6:
+                if (raid_disk == raid_disks - 1)
+                        return 1;
+        }
+        return 0;
+}
+
 static int run(mddev_t *mddev)
 {
         raid5_conf_t *conf;
         int working_disks = 0, chunk_size;
+        int dirty_parity_disks = 0;
         mdk_rdev_t *rdev;
+        sector_t reshape_offset = 0;
 
         if (mddev->recovery_cp != MaxSector)
                 printk(KERN_NOTICE "raid5: %s is not clean"
@@ -4861,6 +4890,7 @@ static int run(mddev_t *mddev)
                                "on a stripe boundary\n");
                         return -EINVAL;
                 }
+                reshape_offset = here_new * mddev->new_chunk_sectors;
                 /* here_new is the stripe we will write to */
                 here_old = mddev->reshape_position;
                 sector_div(here_old, mddev->chunk_sectors *
@@ -4916,10 +4946,51 @@ static int run(mddev_t *mddev)
         /*
          * 0 for a fully functional array, 1 or 2 for a degraded array.
          */
-        list_for_each_entry(rdev, &mddev->disks, same_set)
-                if (rdev->raid_disk >= 0 &&
-                    test_bit(In_sync, &rdev->flags))
+        list_for_each_entry(rdev, &mddev->disks, same_set) {
+                if (rdev->raid_disk < 0)
+                        continue;
+                if (test_bit(In_sync, &rdev->flags))
                         working_disks++;
+                /* This disc is not fully in-sync.  However if it
+                 * just stored parity (beyond the recovery_offset),
+                 * when we don't need to be concerned about the
+                 * array being dirty.
+                 * When reshape goes 'backwards', we never have
+                 * partially completed devices, so we only need
+                 * to worry about reshape going forwards.
+                 */
+                /* Hack because v0.91 doesn't store recovery_offset properly. */
+                if (mddev->major_version == 0 &&
+                    mddev->minor_version > 90)
+                        rdev->recovery_offset = reshape_offset;
+                        
+                printk("%d: w=%d pa=%d pr=%d m=%d a=%d r=%d op1=%d op2=%d\n",
+                       rdev->raid_disk, working_disks, conf->prev_algo,
+                       conf->previous_raid_disks, conf->max_degraded,
+                       conf->algorithm, conf->raid_disks, 
+                       only_parity(rdev->raid_disk,
+                                   conf->prev_algo,
+                                   conf->previous_raid_disks,
+                                   conf->max_degraded),
+                       only_parity(rdev->raid_disk,
+                                   conf->algorithm,
+                                   conf->raid_disks,
+                                   conf->max_degraded));
+                if (rdev->recovery_offset < reshape_offset) {
+                        /* We need to check old and new layout */
+                        if (!only_parity(rdev->raid_disk,
+                                         conf->algorithm,
+                                         conf->raid_disks,
+                                         conf->max_degraded))
+                                continue;
+                }
+                if (!only_parity(rdev->raid_disk,
+                                 conf->prev_algo,
+                                 conf->previous_raid_disks,
+                                 conf->max_degraded))
+                        continue;
+                dirty_parity_disks++;
+        }
 
         mddev->degraded = (max(conf->raid_disks, conf->previous_raid_disks)
                            - working_disks);
@@ -4935,7 +5006,7 @@ static int run(mddev_t *mddev)
         mddev->dev_sectors &= ~(mddev->chunk_sectors - 1);
         mddev->resync_max_sectors = mddev->dev_sectors;
 
-        if (mddev->degraded > 0 &&
+        if (mddev->degraded > dirty_parity_disks &&
             mddev->recovery_cp != MaxSector) {
                 if (mddev->ok_start_degraded)
                         printk(KERN_WARNING
@@ -5361,9 +5432,11 @@ static int raid5_start_reshape(mddev_t *mddev)
                     !test_bit(Faulty, &rdev->flags)) {
                         if (raid5_add_disk(mddev, rdev) == 0) {
                                 char nm[20];
-                                set_bit(In_sync, &rdev->flags);
+                                if (rdev->raid_disk >= conf->previous_raid_disks)
+                                        set_bit(In_sync, &rdev->flags);
+                                else
+                                        rdev->recovery_offset = 0;
                                 added_devices++;
-                                rdev->recovery_offset = 0;
                                 sprintf(nm, "rd%d", rdev->raid_disk);
                                 if (sysfs_create_link(&mddev->kobj,
                                                       &rdev->kobj, nm))
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index fdb97f3d30e9..d7a47574d21e 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -209,8 +209,8 @@ static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *r
         }
         subdev->mtd->owner = THIS_MODULE;
 
-        printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, "
-                "%d-bit\n", phys, subdev->mtd->size >> 20,
+        printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %uMiB, %d-bit\n",
+                phys, (unsigned)(subdev->mtd->size >> 20),
                 subdev->map.bankwidth * 8);
 
         return 0;
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 22b02c6df854..e5f8fc164fd3 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -175,15 +175,6 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header)
         int ret = 0;
 
         drhd = (struct acpi_dmar_hardware_unit *)header;
-        if (!drhd->address) {
-                /* Promote an attitude of violence to a BIOS engineer today */
-                WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n"
-                     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-                     dmi_get_system_info(DMI_BIOS_VENDOR),
-                     dmi_get_system_info(DMI_BIOS_VERSION),
-                     dmi_get_system_info(DMI_PRODUCT_VERSION));
-                return -ENODEV;
-        }
         dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL);
         if (!dmaru)
                 return -ENOMEM;
@@ -591,12 +582,50 @@ int __init dmar_table_init(void)
         return 0;
 }
 
+int __init check_zero_address(void)
+{
+        struct acpi_table_dmar *dmar;
+        struct acpi_dmar_header *entry_header;
+        struct acpi_dmar_hardware_unit *drhd;
+
+        dmar = (struct acpi_table_dmar *)dmar_tbl;
+        entry_header = (struct acpi_dmar_header *)(dmar + 1);
+
+        while (((unsigned long)entry_header) <
+                        (((unsigned long)dmar) + dmar_tbl->length)) {
+                /* Avoid looping forever on bad ACPI tables */
+                if (entry_header->length == 0) {
+                        printk(KERN_WARNING PREFIX
+                                "Invalid 0-length structure\n");
+                        return 0;
+                }
+
+                if (entry_header->type == ACPI_DMAR_TYPE_HARDWARE_UNIT) {
+                        drhd = (void *)entry_header;
+                        if (!drhd->address) {
+                                /* Promote an attitude of violence to a BIOS engineer today */
+                                WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n"
+                                     "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+                                     dmi_get_system_info(DMI_BIOS_VENDOR),
+                                     dmi_get_system_info(DMI_BIOS_VERSION),
+                                     dmi_get_system_info(DMI_PRODUCT_VERSION));
+                                return 0;
+                        }
+                        break;
+                }
+
+                entry_header = ((void *)entry_header + entry_header->length);
+        }
+        return 1;
+}
+
 void __init detect_intel_iommu(void)
 {
         int ret;
 
         ret = dmar_table_detect();
-
+        if (ret)
+                ret = check_zero_address();
         {
 #ifdef CONFIG_INTR_REMAP
                 struct acpi_table_dmar *dmar;
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index b1e97e682500..1840a0578a42 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2767,7 +2767,15 @@ static void *intel_alloc_coherent(struct device *hwdev, size_t size,
 
         size = PAGE_ALIGN(size);
         order = get_order(size);
-        flags &= ~(GFP_DMA | GFP_DMA32);
+
+        if (!iommu_no_mapping(hwdev))
+                flags &= ~(GFP_DMA | GFP_DMA32);
+        else if (hwdev->coherent_dma_mask < dma_get_required_mask(hwdev)) {
+                if (hwdev->coherent_dma_mask < DMA_BIT_MASK(32))
+                        flags |= GFP_DMA;
+                else
+                        flags |= GFP_DMA32;
+        }
 
         vaddr = (void *)__get_free_pages(flags, order);
         if (!vaddr)
@@ -3207,6 +3215,33 @@ static int __init init_iommu_sysfs(void)
 }
 #endif  /* CONFIG_PM */
 
+/*
+ * Here we only respond to action of unbound device from driver.
+ *
+ * Added device is not attached to its DMAR domain here yet. That will happen
+ * when mapping the device to iova.
+ */
+static int device_notifier(struct notifier_block *nb,
+                                  unsigned long action, void *data)
+{
+        struct device *dev = data;
+        struct pci_dev *pdev = to_pci_dev(dev);
+        struct dmar_domain *domain;
+
+        domain = find_domain(pdev);
+        if (!domain)
+                return 0;
+
+        if (action == BUS_NOTIFY_UNBOUND_DRIVER && !iommu_pass_through)
+                domain_remove_one_dev_info(domain, pdev);
+
+        return 0;
+}
+
+static struct notifier_block device_nb = {
+        .notifier_call = device_notifier,
+};
+
 int __init intel_iommu_init(void)
 {
         int ret = 0;
@@ -3259,6 +3294,8 @@ int __init intel_iommu_init(void)
 
         register_iommu(&intel_iommu_ops);
 
+        bus_register_notifier(&pci_bus_type, &device_nb);
+
         return 0;
 }
 
diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index 7fe1fa26c52c..03ea530981d1 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -58,7 +58,16 @@ static irqreturn_t coh901331_interrupt(int irq, void *data)
         clk_enable(rtap->clk);
         /* Ack IRQ */
         writel(1, rtap->virtbase + COH901331_IRQ_EVENT);
+        /*
+         * Disable the interrupt. This is necessary because
+         * the RTC lives on a lower-clocked line and will
+         * not release the IRQ line until after a few (slower)
+         * clock cycles. The interrupt will be re-enabled when
+         * a new alarm is set anyway.
+         */
+        writel(0, rtap->virtbase + COH901331_IRQ_MASK);
         clk_disable(rtap->clk);
+
         /* Set alarm flag */
         rtc_update_irq(rtap->rtc, 1, RTC_AF);
 
@@ -128,6 +137,8 @@ static int coh901331_alarm_irq_enable(struct device *dev, unsigned int enabled)
         else
                 writel(0, rtap->virtbase + COH901331_IRQ_MASK);
         clk_disable(rtap->clk);
+
+        return 0;
 }
 
 static struct rtc_class_ops coh901331_ops = {
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index 89ece1c235aa..66e21dd23154 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -357,6 +357,7 @@ static int mon_close(struct inode *inode, struct file *filp)
         atomic_set(&monpriv->msglim_count, 0);
         monpriv->write_index  = 0;
         monpriv->read_index   = 0;
+        dev_set_drvdata(monreader_device, NULL);
 
         for (i = 0; i < MON_MSGLIM; i++)
                 kfree(monpriv->msg_array[i]);
diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index 84c191c1cd62..05909a7df8b3 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -20,9 +20,12 @@
 
 #include "sclp.h"
 
+static void (*old_machine_restart)(char *);
+static void (*old_machine_halt)(void);
+static void (*old_machine_power_off)(void);
+
 /* Shutdown handler. Signal completion of shutdown by loading special PSW. */
-static void
-do_machine_quiesce(void)
+static void do_machine_quiesce(void)
 {
         psw_t quiesce_psw;
 
@@ -33,23 +36,48 @@ do_machine_quiesce(void)
 }
 
 /* Handler for quiesce event. Start shutdown procedure. */
-static void
-sclp_quiesce_handler(struct evbuf_header *evbuf)
+static void sclp_quiesce_handler(struct evbuf_header *evbuf)
 {
-        _machine_restart = (void *) do_machine_quiesce;
-        _machine_halt = do_machine_quiesce;
-        _machine_power_off = do_machine_quiesce;
+        if (_machine_restart != (void *) do_machine_quiesce) {
+                old_machine_restart = _machine_restart;
+                old_machine_halt = _machine_halt;
+                old_machine_power_off = _machine_power_off;
+                _machine_restart = (void *) do_machine_quiesce;
+                _machine_halt = do_machine_quiesce;
+                _machine_power_off = do_machine_quiesce;
+        }
         ctrl_alt_del();
 }
 
+/* Undo machine restart/halt/power_off modification on resume */
+static void sclp_quiesce_pm_event(struct sclp_register *reg,
+                                  enum sclp_pm_event sclp_pm_event)
+{
+        switch (sclp_pm_event) {
+        case SCLP_PM_EVENT_RESTORE:
+                if (old_machine_restart) {
+                        _machine_restart = old_machine_restart;
+                        _machine_halt = old_machine_halt;
+                        _machine_power_off = old_machine_power_off;
+                        old_machine_restart = NULL;
+                        old_machine_halt = NULL;
+                        old_machine_power_off = NULL;
+                }
+                break;
+        case SCLP_PM_EVENT_FREEZE:
+        case SCLP_PM_EVENT_THAW:
+                break;
+        }
+}
+
 static struct sclp_register sclp_quiesce_event = {
         .receive_mask = EVTYP_SIGQUIESCE_MASK,
-        .receiver_fn = sclp_quiesce_handler
+        .receiver_fn = sclp_quiesce_handler,
+        .pm_event_fn = sclp_quiesce_pm_event
 };
 
 /* Initialize quiesce driver. */
-static int __init
-sclp_quiesce_init(void)
+static int __init sclp_quiesce_init(void)
 {
         return sclp_register(&sclp_quiesce_event);
 }
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index edf926e1062f..d0a2ce1b4324 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -958,7 +958,7 @@ encode_entry(struct readdir_cd *ccd, const char *name, int namlen,
                 p1 = encode_entry_baggage(cd, p1, name, namlen, ino);
 
                 if (plus)
-                        p = encode_entryplus_baggage(cd, p1, name, namlen);
+                        p1 = encode_entryplus_baggage(cd, p1, name, namlen);
 
                 /* determine entry word length and lengths to go in pages */
                 num_entry_words = p1 - tmp;
diff --git a/include/linux/input.h b/include/linux/input.h
index 0ccfc30cd40f..c2b1a7d244d9 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1377,6 +1377,10 @@ extern struct class input_class;
  * methods; erase() is optional. set_gain() and set_autocenter() need
  * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
  * bits.
+ *
+ * Note that playback(), set_gain() and set_autocenter() are called with
+ * dev->event_lock spinlock held and interrupts off and thus may not
+ * sleep.
  */
 struct ff_device {
         int (*upload)(struct input_dev *dev, struct ff_effect *effect,
diff --git a/mm/percpu.c b/mm/percpu.c
index d90797160c2a..5adfc268b408 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -355,62 +355,86 @@ static struct pcpu_chunk *pcpu_chunk_addr_search(void *addr)
 }
 
 /**
- * pcpu_extend_area_map - extend area map for allocation
- * @chunk: target chunk
+ * pcpu_need_to_extend - determine whether chunk area map needs to be extended
+ * @chunk: chunk of interest
  *
- * Extend area map of @chunk so that it can accomodate an allocation.
- * A single allocation can split an area into three areas, so this
- * function makes sure that @chunk->map has at least two extra slots.
+ * Determine whether area map of @chunk needs to be extended to
+ * accomodate a new allocation.
  *
  * CONTEXT:
- * pcpu_alloc_mutex, pcpu_lock.  pcpu_lock is released and reacquired
- * if area map is extended.
+ * pcpu_lock.
  *
  * RETURNS:
- * 0 if noop, 1 if successfully extended, -errno on failure.
+ * New target map allocation length if extension is necessary, 0
+ * otherwise.
  */
-static int pcpu_extend_area_map(struct pcpu_chunk *chunk, unsigned long *flags)
+static int pcpu_need_to_extend(struct pcpu_chunk *chunk)
 {
         int new_alloc;
-        int *new;
-        size_t size;
 
-        /* has enough? */
         if (chunk->map_alloc >= chunk->map_used + 2)
                 return 0;
 
-        spin_unlock_irqrestore(&pcpu_lock, *flags);
-
         new_alloc = PCPU_DFL_MAP_ALLOC;
         while (new_alloc < chunk->map_used + 2)
                 new_alloc *= 2;
 
-        new = pcpu_mem_alloc(new_alloc * sizeof(new[0]));
-        if (!new) {
-                spin_lock_irqsave(&pcpu_lock, *flags);
+        return new_alloc;
+}
+
+/**
+ * pcpu_extend_area_map - extend area map of a chunk
+ * @chunk: chunk of interest
+ * @new_alloc: new target allocation length of the area map
+ *
+ * Extend area map of @chunk to have @new_alloc entries.
+ *
+ * CONTEXT:
+ * Does GFP_KERNEL allocation.  Grabs and releases pcpu_lock.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
+ */
+static int pcpu_extend_area_map(struct pcpu_chunk *chunk, int new_alloc)
+{
+        int *old = NULL, *new = NULL;
+        size_t old_size = 0, new_size = new_alloc * sizeof(new[0]);
+        unsigned long flags;
+
+        new = pcpu_mem_alloc(new_size);
+        if (!new)
                 return -ENOMEM;
-        }
 
-        /*
-         * Acquire pcpu_lock and switch to new area map.  Only free
-         * could have happened inbetween, so map_used couldn't have
-         * grown.
-         */
-        spin_lock_irqsave(&pcpu_lock, *flags);
-        BUG_ON(new_alloc < chunk->map_used + 2);
+        /* acquire pcpu_lock and switch to new area map */
+        spin_lock_irqsave(&pcpu_lock, flags);
+
+        if (new_alloc <= chunk->map_alloc)
+                goto out_unlock;
 
-        size = chunk->map_alloc * sizeof(chunk->map[0]);
-        memcpy(new, chunk->map, size);
+        old_size = chunk->map_alloc * sizeof(chunk->map[0]);
+        memcpy(new, chunk->map, old_size);
 
         /*
          * map_alloc < PCPU_DFL_MAP_ALLOC indicates that the chunk is
          * one of the first chunks and still using static map.
          */
         if (chunk->map_alloc >= PCPU_DFL_MAP_ALLOC)
-                pcpu_mem_free(chunk->map, size);
+                old = chunk->map;
 
         chunk->map_alloc = new_alloc;
         chunk->map = new;
+        new = NULL;
+
+out_unlock:
+        spin_unlock_irqrestore(&pcpu_lock, flags);
+
+        /*
+         * pcpu_mem_free() might end up calling vfree() which uses
+         * IRQ-unsafe lock and thus can't be called under pcpu_lock.
+         */
+        pcpu_mem_free(old, old_size);
+        pcpu_mem_free(new, new_size);
+
         return 0;
 }
 
@@ -1049,7 +1073,7 @@ static void *pcpu_alloc(size_t size, size_t align, bool reserved)
         static int warn_limit = 10;
         struct pcpu_chunk *chunk;
         const char *err;
-        int slot, off;
+        int slot, off, new_alloc;
         unsigned long flags;
 
         if (unlikely(!size || size > PCPU_MIN_UNIT_SIZE || align > PAGE_SIZE)) {
@@ -1064,14 +1088,25 @@ static void *pcpu_alloc(size_t size, size_t align, bool reserved)
         /* serve reserved allocations from the reserved chunk if available */
         if (reserved && pcpu_reserved_chunk) {
                 chunk = pcpu_reserved_chunk;
-                if (size > chunk->contig_hint ||
-                    pcpu_extend_area_map(chunk, &flags) < 0) {
-                        err = "failed to extend area map of reserved chunk";
+
+                if (size > chunk->contig_hint) {
+                        err = "alloc from reserved chunk failed";
                         goto fail_unlock;
                 }
+
+                while ((new_alloc = pcpu_need_to_extend(chunk))) {
+                        spin_unlock_irqrestore(&pcpu_lock, flags);
+                        if (pcpu_extend_area_map(chunk, new_alloc) < 0) {
+                                err = "failed to extend area map of reserved chunk";
+                                goto fail_unlock_mutex;
+                        }
+                        spin_lock_irqsave(&pcpu_lock, flags);
+                }
+
                 off = pcpu_alloc_area(chunk, size, align);
                 if (off >= 0)
                         goto area_found;
+
                 err = "alloc from reserved chunk failed";
                 goto fail_unlock;
         }
@@ -1083,14 +1118,20 @@ restart:
                         if (size > chunk->contig_hint)
                                 continue;
 
-                        switch (pcpu_extend_area_map(chunk, &flags)) {
-                        case 0:
-                                break;
-                        case 1:
-                                goto restart;   /* pcpu_lock dropped, restart */
-                        default:
-                                err = "failed to extend area map";
-                                goto fail_unlock;
+                        new_alloc = pcpu_need_to_extend(chunk);
+                        if (new_alloc) {
+                                spin_unlock_irqrestore(&pcpu_lock, flags);
+                                if (pcpu_extend_area_map(chunk,
+                                                         new_alloc) < 0) {
+                                        err = "failed to extend area map";
+                                        goto fail_unlock_mutex;
+                                }
+                                spin_lock_irqsave(&pcpu_lock, flags);
+                                /*
+                                 * pcpu_lock has been dropped, need to
+                                 * restart cpu_slot list walking.
+                                 */
+                                goto restart;
                         }
 
                         off = pcpu_alloc_area(chunk, size, align);