Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge:
  powerpc: Fix define_machine so machine_is() works from modules
  powerpc/ppc: export strncasecmp
  [PATCH] powerpc: fix oops in alsa powermac driver
  [PATCH] powerpc: update {g5,iseries,pseries}_defconfigs
  [PATCH] ppc: Fix powersave code on arch/ppc
  [PATCH] powerpc/cell: remove BUILD_BUG_ON and add sys_tee to spu_syscall_table
  [PATCH] powermac: Fix i2c on keywest based chips
  [PATCH] powerpc: Lower threshold for DART enablement to 1GB
  [PATCH] powerpc: IOMMU support for honoring dma_mask

15 files changed, 216 insertions, 159 deletions

diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
index 2c3fd20..a456275 100644
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2
-# Fri Feb 10 17:33:08 2006
+# Linux kernel version: 2.6.17-rc1
+# Wed Apr 19 13:24:37 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -9,6 +9,7 @@ CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
@@ -29,6 +30,7 @@ CONFIG_POWER4=y
 CONFIG_PPC_FPU=y
 CONFIG_ALTIVEC=y
 CONFIG_PPC_STD_MMU=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=4
 
@@ -53,6 +55,7 @@ CONFIG_SYSCTL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
@@ -67,10 +70,6 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -82,7 +81,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KMOD=y
@@ -91,6 +89,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -185,7 +184,6 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -227,6 +225,7 @@ CONFIG_SYN_COOKIES=y
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
+CONFIG_INET_XFRM_TUNNEL=m
 CONFIG_INET_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
@@ -238,6 +237,8 @@ CONFIG_TCP_CONG_BIC=y
 #
 # CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
 
@@ -261,6 +262,7 @@ CONFIG_IP_NF_IRC=m
 CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
 CONFIG_IP_NF_QUEUE=m
 
 #
@@ -513,6 +515,7 @@ CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 CONFIG_MD_RAID10=m
 CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID5_RESHAPE is not set
 CONFIG_MD_RAID6=m
 CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
@@ -761,7 +764,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
-# CONFIG_RTC is not set
 CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
@@ -772,6 +774,7 @@ CONFIG_GEN_RTC=y
 # Ftape, the floppy tape device driver
 #
 CONFIG_AGP=m
+# CONFIG_AGP_VIA is not set
 CONFIG_AGP_UNINORTH=m
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
@@ -813,7 +816,6 @@ CONFIG_I2C_POWERMAC=y
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
 # CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_SCx200_ACB is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
@@ -832,9 +834,7 @@ CONFIG_I2C_POWERMAC=y
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
 # CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_RTC_X1205_I2C is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
@@ -862,10 +862,6 @@ CONFIG_I2C_POWERMAC=y
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -874,6 +870,7 @@ CONFIG_I2C_POWERMAC=y
 # Digital Video Broadcasting Devices
 #
 # CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
 
 #
 # Graphics support
@@ -883,6 +880,7 @@ CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_MACMODES=y
+CONFIG_FB_FIRMWARE_EDID=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
@@ -901,7 +899,6 @@ CONFIG_FB_NVIDIA=y
 CONFIG_FB_NVIDIA_I2C=y
 # CONFIG_FB_RIVA is not set
 # CONFIG_FB_MATROX is not set
-# CONFIG_FB_RADEON_OLD is not set
 CONFIG_FB_RADEON=y
 CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_RADEON_DEBUG is not set
@@ -958,9 +955,11 @@ CONFIG_SND_SEQUENCER=m
 CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
 CONFIG_SND_SEQUENCER_OSS=y
 # CONFIG_SND_DYNAMIC_MINORS is not set
 CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 
@@ -977,6 +976,7 @@ CONFIG_SND_SUPPORT_OLD_API=y
 # PCI devices
 #
 # CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
 # CONFIG_SND_ALI5451 is not set
 # CONFIG_SND_ATIIXP is not set
@@ -1009,6 +1009,7 @@ CONFIG_SND_SUPPORT_OLD_API=y
 # CONFIG_SND_MIXART is not set
 # CONFIG_SND_NM256 is not set
 # CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RIPTIDE is not set
 # CONFIG_SND_RME32 is not set
 # CONFIG_SND_RME96 is not set
 # CONFIG_SND_RME9652 is not set
@@ -1041,6 +1042,7 @@ CONFIG_SND_USB_AUDIO=m
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -1068,7 +1070,6 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 # USB Device Class drivers
 #
-# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=y
 
@@ -1126,15 +1127,6 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_MICROTEK is not set
 
 #
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
 # USB Network Adapters
 #
 CONFIG_USB_CATC=m
@@ -1194,6 +1186,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
 CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
+# CONFIG_USB_SERIAL_NAVMAN is not set
 CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m
@@ -1237,17 +1230,23 @@ CONFIG_USB_EZUSB=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
 # InfiniBand support
 #
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #
-# EDAC - error detection and reporting (RAS)
+# Real Time Clock
 #
+# CONFIG_RTC_CLASS is not set
 
 #
 # File systems
@@ -1319,7 +1318,6 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig
index 1816a46..a95e455 100644
--- a/arch/powerpc/configs/iseries_defconfig
+++ b/arch/powerpc/configs/iseries_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc6
-# Wed Mar 15 16:19:52 2006
+# Linux kernel version: 2.6.17-rc1
+# Wed Apr 19 11:46:44 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -9,6 +9,7 @@ CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
@@ -30,6 +31,7 @@ CONFIG_POWER4=y
 CONFIG_PPC_FPU=y
 # CONFIG_ALTIVEC is not set
 CONFIG_PPC_STD_MMU=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=32
 
@@ -55,6 +57,7 @@ CONFIG_AUDITSYSCALL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
@@ -69,10 +72,6 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -84,7 +83,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KMOD=y
@@ -93,6 +91,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -165,7 +164,6 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -207,6 +205,7 @@ CONFIG_SYN_COOKIES=y
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
+CONFIG_INET_XFRM_TUNNEL=m
 CONFIG_INET_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
@@ -218,6 +217,8 @@ CONFIG_TCP_CONG_BIC=y
 #
 # CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
 
@@ -236,11 +237,14 @@ CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
 CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
 CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
 # CONFIG_NETFILTER_XT_MATCH_DCCP is not set
+# CONFIG_NETFILTER_XT_MATCH_ESP is not set
 CONFIG_NETFILTER_XT_MATCH_HELPER=m
 CONFIG_NETFILTER_XT_MATCH_LENGTH=m
 CONFIG_NETFILTER_XT_MATCH_LIMIT=m
 CONFIG_NETFILTER_XT_MATCH_MAC=m
 CONFIG_NETFILTER_XT_MATCH_MARK=m
+# CONFIG_NETFILTER_XT_MATCH_POLICY is not set
+# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
 CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
 CONFIG_NETFILTER_XT_MATCH_REALM=m
 CONFIG_NETFILTER_XT_MATCH_SCTP=m
@@ -262,20 +266,19 @@ CONFIG_IP_NF_IRC=m
 CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
 CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
 CONFIG_IP_NF_MATCH_TOS=m
 CONFIG_IP_NF_MATCH_RECENT=m
 CONFIG_IP_NF_MATCH_ECN=m
 CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
+# CONFIG_IP_NF_MATCH_AH is not set
 CONFIG_IP_NF_MATCH_TTL=m
 CONFIG_IP_NF_MATCH_OWNER=m
 CONFIG_IP_NF_MATCH_ADDRTYPE=m
 CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_POLICY=m
 CONFIG_IP_NF_FILTER=m
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
@@ -479,6 +482,7 @@ CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 CONFIG_MD_RAID10=m
 CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID5_RESHAPE is not set
 CONFIG_MD_RAID6=m
 CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
@@ -702,7 +706,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
-# CONFIG_RTC is not set
 CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
@@ -751,10 +754,6 @@ CONFIG_MAX_RAW_DEVS=256
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -779,6 +778,7 @@ CONFIG_MAX_RAW_DEVS=256
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB is not set
 
 #
@@ -796,6 +796,11 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
 # InfiniBand support
 #
 # CONFIG_INFINIBAND is not set
@@ -805,6 +810,11 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 #
 
 #
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -878,7 +888,6 @@ CONFIG_TMPFS=y
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index daaf038..58e68ce 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2
-# Fri Feb 10 17:33:32 2006
+# Linux kernel version: 2.6.17-rc1
+# Wed Apr 19 11:48:00 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -9,6 +9,7 @@ CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
@@ -30,6 +31,7 @@ CONFIG_POWER4=y
 CONFIG_PPC_FPU=y
 CONFIG_ALTIVEC=y
 CONFIG_PPC_STD_MMU=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=128
 
@@ -55,6 +57,7 @@ CONFIG_AUDITSYSCALL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CPUSETS=y
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
@@ -69,10 +72,6 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -84,7 +83,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KMOD=y
@@ -93,6 +91,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -188,7 +187,6 @@ CONFIG_PPC_I8259=y
 # CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -235,6 +233,7 @@ CONFIG_SYN_COOKIES=y
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
+CONFIG_INET_XFRM_TUNNEL=m
 CONFIG_INET_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
@@ -246,6 +245,8 @@ CONFIG_TCP_CONG_BIC=y
 #
 # CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
 
@@ -272,6 +273,7 @@ CONFIG_IP_NF_IRC=m
 CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
 CONFIG_IP_NF_QUEUE=m
 
 #
@@ -519,6 +521,7 @@ CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 CONFIG_MD_RAID10=m
 CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID5_RESHAPE is not set
 CONFIG_MD_RAID6=m
 CONFIG_MD_MULTIPATH=m
 CONFIG_MD_FAULTY=m
@@ -750,6 +753,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
 CONFIG_SERIAL_8250_NR_UARTS=4
 CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
@@ -767,7 +771,9 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_PRINTER is not set
 # CONFIG_PPDEV is not set
 # CONFIG_TIPAR is not set
+CONFIG_HVC_DRIVER=y
 CONFIG_HVC_CONSOLE=y
+# CONFIG_HVC_RTAS is not set
 CONFIG_HVCS=m
 
 #
@@ -779,7 +785,6 @@ CONFIG_HVCS=m
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
-# CONFIG_RTC is not set
 CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
@@ -830,7 +835,6 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
 # CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_SCx200_ACB is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
@@ -849,9 +853,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
 # CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_RTC_X1205_I2C is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
@@ -879,10 +881,6 @@ CONFIG_I2C_ALGOBIT=y
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -891,6 +889,7 @@ CONFIG_I2C_ALGOBIT=y
 # Digital Video Broadcasting Devices
 #
 # CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
 
 #
 # Graphics support
@@ -900,6 +899,7 @@ CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_MACMODES=y
+CONFIG_FB_FIRMWARE_EDID=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
@@ -919,7 +919,6 @@ CONFIG_FB_MATROX_MYSTIQUE=y
 CONFIG_FB_MATROX_G=y
 # CONFIG_FB_MATROX_I2C is not set
 CONFIG_FB_MATROX_MULTIHEAD=y
-# CONFIG_FB_RADEON_OLD is not set
 CONFIG_FB_RADEON=y
 CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_RADEON_DEBUG is not set
@@ -968,6 +967,7 @@ CONFIG_LCD_DEVICE=y
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -1048,15 +1048,6 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_MICROTEK is not set
 
 #
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
 # USB Network Adapters
 #
 # CONFIG_USB_CATC is not set
@@ -1109,6 +1100,11 @@ CONFIG_USB_MON=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
 # InfiniBand support
 #
 CONFIG_INFINIBAND=m
@@ -1121,12 +1117,13 @@ CONFIG_INFINIBAND_IPOIB=m
 # CONFIG_INFINIBAND_SRP is not set
 
 #
-# SN Devices
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #
-# EDAC - error detection and reporting (RAS)
+# Real Time Clock
 #
+# CONFIG_RTC_CLASS is not set
 
 #
 # File systems
@@ -1202,7 +1199,6 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index d9a7fde..4eba60a 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -61,6 +61,7 @@ __setup("iommu=", setup_iommu);
 static unsigned long iommu_range_alloc(struct iommu_table *tbl,
                                        unsigned long npages,
                                        unsigned long *handle,
+                                       unsigned long mask,
                                        unsigned int align_order)
 { 
 	unsigned long n, end, i, start;
@@ -97,9 +98,21 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl,
 	 */
 	if (start >= limit)
 		start = largealloc ? tbl->it_largehint : tbl->it_hint;
-	
+
  again:
 
+	if (limit + tbl->it_offset > mask) {
+		limit = mask - tbl->it_offset + 1;
+		/* If we're constrained on address range, first try
+		 * at the masked hint to avoid O(n) search complexity,
+		 * but on second pass, start at 0.
+		 */
+		if ((start & mask) >= limit || pass > 0)
+			start = 0;
+		else
+			start &= mask;
+	}
+
 	n = find_next_zero_bit(tbl->it_map, limit, start);
 
 	/* Align allocation */
@@ -150,14 +163,14 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl,
 
 static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *page,
 		       unsigned int npages, enum dma_data_direction direction,
-		       unsigned int align_order)
+		       unsigned long mask, unsigned int align_order)
 {
 	unsigned long entry, flags;
 	dma_addr_t ret = DMA_ERROR_CODE;
-	
+
 	spin_lock_irqsave(&(tbl->it_lock), flags);
 
-	entry = iommu_range_alloc(tbl, npages, NULL, align_order);
+	entry = iommu_range_alloc(tbl, npages, NULL, mask, align_order);
 
 	if (unlikely(entry == DMA_ERROR_CODE)) {
 		spin_unlock_irqrestore(&(tbl->it_lock), flags);
@@ -236,7 +249,7 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
 
 int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 		struct scatterlist *sglist, int nelems,
-		enum dma_data_direction direction)
+		unsigned long mask, enum dma_data_direction direction)
 {
 	dma_addr_t dma_next = 0, dma_addr;
 	unsigned long flags;
@@ -274,7 +287,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 		vaddr = (unsigned long)page_address(s->page) + s->offset;
 		npages = PAGE_ALIGN(vaddr + slen) - (vaddr & PAGE_MASK);
 		npages >>= PAGE_SHIFT;
-		entry = iommu_range_alloc(tbl, npages, &handle, 0);
+		entry = iommu_range_alloc(tbl, npages, &handle, mask >> PAGE_SHIFT, 0);
 
 		DBG("  - vaddr: %lx, size: %lx\n", vaddr, slen);
 
@@ -479,7 +492,8 @@ void iommu_free_table(struct device_node *dn)
  * byte within the page as vaddr.
  */
 dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
-		size_t size, enum dma_data_direction direction)
+		size_t size, unsigned long mask,
+		enum dma_data_direction direction)
 {
 	dma_addr_t dma_handle = DMA_ERROR_CODE;
 	unsigned long uaddr;
@@ -492,7 +506,8 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
 	npages >>= PAGE_SHIFT;
 
 	if (tbl) {
-		dma_handle = iommu_alloc(tbl, vaddr, npages, direction, 0);
+		dma_handle = iommu_alloc(tbl, vaddr, npages, direction,
+					 mask >> PAGE_SHIFT, 0);
 		if (dma_handle == DMA_ERROR_CODE) {
 			if (printk_ratelimit())  {
 				printk(KERN_INFO "iommu_alloc failed, "
@@ -521,7 +536,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
  * to the dma address (mapping) of the first page.
  */
 void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
-		dma_addr_t *dma_handle, gfp_t flag)
+		dma_addr_t *dma_handle, unsigned long mask, gfp_t flag)
 {
 	void *ret = NULL;
 	dma_addr_t mapping;
@@ -551,7 +566,8 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
 	memset(ret, 0, size);
 
 	/* Set up tces to cover the allocated range */
-	mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL, order);
+	mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL,
+			      mask >> PAGE_SHIFT, order);
 	if (mapping == DMA_ERROR_CODE) {
 		free_pages((unsigned long)ret, order);
 		ret = NULL;
diff --git a/arch/powerpc/kernel/pci_iommu.c b/arch/powerpc/kernel/pci_iommu.c
index c336f3e..c1d95e1 100644
--- a/arch/powerpc/kernel/pci_iommu.c
+++ b/arch/powerpc/kernel/pci_iommu.c
@@ -59,6 +59,25 @@ static inline struct iommu_table *devnode_table(struct device *dev)
 }
 
 
+static inline unsigned long device_to_mask(struct device *hwdev)
+{
+	struct pci_dev *pdev;
+
+	if (!hwdev) {
+		pdev = ppc64_isabridge_dev;
+		if (!pdev) /* This is the best guess we can do */
+			return 0xfffffffful;
+	} else
+		pdev = to_pci_dev(hwdev);
+
+	if (pdev->dma_mask)
+		return pdev->dma_mask;
+
+	/* Assume devices without mask can take 32 bit addresses */
+	return 0xfffffffful;
+}
+
+
 /* Allocates a contiguous real buffer and creates mappings over it.
  * Returns the virtual address of the buffer and sets dma_handle
  * to the dma address (mapping) of the first page.
@@ -67,7 +86,7 @@ static void *pci_iommu_alloc_coherent(struct device *hwdev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t flag)
 {
 	return iommu_alloc_coherent(devnode_table(hwdev), size, dma_handle,
-			flag);
+			device_to_mask(hwdev), flag);
 }
 
 static void pci_iommu_free_coherent(struct device *hwdev, size_t size,
@@ -85,7 +104,8 @@ static void pci_iommu_free_coherent(struct device *hwdev, size_t size,
 static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr,
 		size_t size, enum dma_data_direction direction)
 {
-	return iommu_map_single(devnode_table(hwdev), vaddr, size, direction);
+	return iommu_map_single(devnode_table(hwdev), vaddr, size,
+			        device_to_mask(hwdev), direction);
 }
 
 
@@ -100,7 +120,7 @@ static int pci_iommu_map_sg(struct device *pdev, struct scatterlist *sglist,
 		int nelems, enum dma_data_direction direction)
 {
 	return iommu_map_sg(pdev, devnode_table(pdev), sglist,
-			nelems, direction);
+			nelems, device_to_mask(pdev), direction);
 }
 
 static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist,
@@ -112,7 +132,19 @@ static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist,
 /* We support DMA to/from any memory page via the iommu */
 static int pci_iommu_dma_supported(struct device *dev, u64 mask)
 {
-	return 1;
+	struct iommu_table *tbl = devnode_table(dev);
+
+	if (!tbl || tbl->it_offset > mask) {
+		printk(KERN_INFO "Warning: IOMMU table offset too big for device mask\n");
+		if (tbl)
+			printk(KERN_INFO "mask: 0x%08lx, table offset: 0x%08lx\n",
+				mask, tbl->it_offset);
+		else
+			printk(KERN_INFO "mask: 0x%08lx, table unavailable\n",
+				mask);
+		return 0;
+	} else
+		return 1;
 }
 
 void pci_iommu_init(void)
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index dfa5398..4b052ae 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -81,6 +81,7 @@ EXPORT_SYMBOL(strcat);
 EXPORT_SYMBOL(strlen);
 EXPORT_SYMBOL(strcmp);
 EXPORT_SYMBOL(strcasecmp);
+EXPORT_SYMBOL(strncasecmp);
 
 EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4336390..1cb69e8 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -62,7 +62,7 @@ static int __initdata dt_root_addr_cells;
 static int __initdata dt_root_size_cells;
 
 #ifdef CONFIG_PPC64
-static int __initdata iommu_is_off;
+int __initdata iommu_is_off;
 int __initdata iommu_force_on;
 unsigned long tce_alloc_start, tce_alloc_end;
 #endif
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index a14c964..8d15226 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -324,3 +324,8 @@ COMPAT_SYS(ppoll)
 SYSCALL(unshare)
 SYSCALL(splice)
 SYSCALL(tee)
+
+/*
+ * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c
+ * as well when appropriate.
+ */
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 13c655b..971020c 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -202,7 +202,7 @@ static dma_addr_t vio_map_single(struct device *dev, void *vaddr,
 			  size_t size, enum dma_data_direction direction)
 {
 	return iommu_map_single(to_vio_dev(dev)->iommu_table, vaddr, size,
-			direction);
+			~0ul, direction);
 }
 
 static void vio_unmap_single(struct device *dev, dma_addr_t dma_handle,
@@ -216,7 +216,7 @@ static int vio_map_sg(struct device *dev, struct scatterlist *sglist,
 		int nelems, enum dma_data_direction direction)
 {
 	return iommu_map_sg(dev, to_vio_dev(dev)->iommu_table, sglist,
-			nelems, direction);
+			nelems, ~0ul, direction);
 }
 
 static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist,
@@ -229,7 +229,7 @@ static void *vio_alloc_coherent(struct device *dev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t flag)
 {
 	return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size,
-			dma_handle, flag);
+			dma_handle, ~0ul, flag);
 }
 
 static void vio_free_coherent(struct device *dev, size_t size,
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index 6594bec..deb3afb 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -317,17 +317,16 @@ void *spu_syscall_table[] = {
 	[__NR_ppoll]			sys_ni_syscall, /* sys_ppoll */
 	[__NR_unshare]			sys_unshare,
 	[__NR_splice]			sys_splice,
+	[__NR_tee]			sys_tee,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)
 {
 	long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6);
 
-	BUILD_BUG_ON(ARRAY_SIZE(spu_syscall_table) != __NR_syscalls);
-
 	syscall = spu_syscall_table[s->nr_ret];
 
-	if (s->nr_ret >= __NR_syscalls) {
+	if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) {
 		pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret);
 		return -ENOSYS;
 	}
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index e14f9ac..df2343e 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -231,6 +231,14 @@ static u8 kw_i2c_wait_interrupt(struct pmac_i2c_host_kw *host)
 	return isr;
 }
 
+static void kw_i2c_do_stop(struct pmac_i2c_host_kw *host, int result)
+{
+	kw_write_reg(reg_control, KW_I2C_CTL_STOP);
+	host->state = state_stop;
+	host->result = result;
+}
+
+
 static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr)
 {
 	u8 ack;
@@ -246,42 +254,36 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr)
 	}
 
 	if (isr == 0) {
+		printk(KERN_WARNING "low_i2c: Timeout in i2c transfer"
+		       " on keywest !\n");
 		if (host->state != state_stop) {
-			DBG_LOW("KW: Timeout !\n");
-			host->result = -EIO;
-			goto stop;
-		}
-		if (host->state == state_stop) {
-			ack = kw_read_reg(reg_status);
-			if (ack & KW_I2C_STAT_BUSY)
-				kw_write_reg(reg_status, 0);
-			host->state = state_idle;
-			kw_write_reg(reg_ier, 0x00);
-			if (!host->polled)
-				complete(&host->complete);
+			kw_i2c_do_stop(host, -EIO);
+			return;
 		}
+		ack = kw_read_reg(reg_status);
+		if (ack & KW_I2C_STAT_BUSY)
+			kw_write_reg(reg_status, 0);
+		host->state = state_idle;
+		kw_write_reg(reg_ier, 0x00);
+		if (!host->polled)
+			complete(&host->complete);
 		return;
 	}
 
 	if (isr & KW_I2C_IRQ_ADDR) {
 		ack = kw_read_reg(reg_status);
 		if (host->state != state_addr) {
-			kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR);
 			WRONG_STATE("KW_I2C_IRQ_ADDR"); 
-			host->result = -EIO;
-			goto stop;
+			kw_i2c_do_stop(host, -EIO);
 		}
 		if ((ack & KW_I2C_STAT_LAST_AAK) == 0) {
-			host->result = -ENODEV;
-			DBG_LOW("KW: NAK on address\n");
+			host->result = -ENXIO;
 			host->state = state_stop;
-			return;
+			DBG_LOW("KW: NAK on address\n");
 		} else {
-			if (host->len == 0) {
-				kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR);
-				goto stop;
-			}
-			if (host->rw) {
+			if (host->len == 0)
+				kw_i2c_do_stop(host, 0);
+			else if (host->rw) {
 				host->state = state_read;
 				if (host->len > 1)
 					kw_write_reg(reg_control,
@@ -308,25 +310,19 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr)
 			ack = kw_read_reg(reg_status);
 			if ((ack & KW_I2C_STAT_LAST_AAK) == 0) {
 				DBG_LOW("KW: nack on data write\n");
-				host->result = -EIO;
-				goto stop;
+				host->result = -EFBIG;
+				host->state = state_stop;
 			} else if (host->len) {
 				kw_write_reg(reg_data, *(host->data++));
 				host->len--;
-			} else {
-				kw_write_reg(reg_control, KW_I2C_CTL_STOP);
-				host->state = state_stop;
-				host->result = 0;
-			}
-			kw_write_reg(reg_isr, KW_I2C_IRQ_DATA);
+			} else
+				kw_i2c_do_stop(host, 0);
 		} else {
-			kw_write_reg(reg_isr, KW_I2C_IRQ_DATA);
 			WRONG_STATE("KW_I2C_IRQ_DATA"); 
-			if (host->state != state_stop) {
-				host->result = -EIO;
-				goto stop;
-			}
+			if (host->state != state_stop)
+				kw_i2c_do_stop(host, -EIO);
 		}
+		kw_write_reg(reg_isr, KW_I2C_IRQ_DATA);
 	}
 
 	if (isr & KW_I2C_IRQ_STOP) {
@@ -340,14 +336,10 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr)
 			complete(&host->complete);
 	}
 
+	/* Below should only happen in manual mode which we don't use ... */
 	if (isr & KW_I2C_IRQ_START)
 		kw_write_reg(reg_isr, KW_I2C_IRQ_START);
 
-	return;
- stop:
-	kw_write_reg(reg_control, KW_I2C_CTL_STOP);	
-	host->state = state_stop;
-	return;
 }
 
 /* Interrupt handler */
@@ -544,11 +536,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np)
 		return NULL;
 	}
 
-	/* Make sure IRA is disabled */
+	/* Make sure IRQ is disabled */
 	kw_write_reg(reg_ier, 0);
 
 	/* Request chip interrupt */
-	if (request_irq(host->irq, kw_i2c_irq, SA_SHIRQ, "keywest i2c", host))
+	if (request_irq(host->irq, kw_i2c_irq, 0, "keywest i2c", host))
 		host->irq = NO_IRQ;
 
 	printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n",
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 61d3174..38087bd 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -49,6 +49,7 @@
 
 #include "dart.h"
 
+extern int iommu_is_off;
 extern int iommu_force_on;
 
 /* Physical base address and size of the DART table */
@@ -329,10 +330,17 @@ void iommu_init_early_dart(void)
 
 void __init alloc_dart_table(void)
 {
-	/* Only reserve DART space if machine has more than 2GB of RAM
+	/* Only reserve DART space if machine has more than 1GB of RAM
 	 * or if requested with iommu=on on cmdline.
+	 *
+	 * 1GB of RAM is picked as limit because some default devices
+	 * (i.e. Airport Extreme) have 30 bit address range limits.
 	 */
-	if (lmb_end_of_DRAM() <= 0x80000000ull && !iommu_force_on)
+
+	if (iommu_is_off)
+		return;
+
+	if (!iommu_force_on && lmb_end_of_DRAM() <= 0x40000000ull)
 		return;
 
 	/* 512 pages (2MB) is max DART tablesize. */
diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index 77e4dc7..cc7c4ae 100644
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -134,6 +134,7 @@ main(void)
 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
 	DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, flags));
 	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
 
diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S
index 5891ecb..1adc914 100644
--- a/arch/ppc/kernel/entry.S
+++ b/arch/ppc/kernel/entry.S
@@ -128,29 +128,26 @@ transfer_to_handler:
 	stw	r12,4(r11)
 #endif
 	b	3f
+
 2:	/* if from kernel, check interrupted DOZE/NAP mode and
          * check for stack overflow
          */
+	lwz	r9,THREAD_INFO-THREAD(r12)
+	cmplw	r1,r9			/* if r1 <= current->thread_info */
+	ble-	stack_ovf		/* then the kernel stack overflowed */
+5:
 #ifdef CONFIG_6xx
-	mfspr	r11,SPRN_HID0
-	mtcr	r11
-BEGIN_FTR_SECTION
-	bt-	8,4f			/* Check DOZE */
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
-BEGIN_FTR_SECTION
-	bt-	9,4f			/* Check NAP */
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
+	tophys(r9,r9)			/* check local flags */
+	lwz	r12,TI_LOCAL_FLAGS(r9)
+	mtcrf	0x01,r12
+	bt-	31-TLF_NAPPING,4f
 #endif /* CONFIG_6xx */
 	.globl transfer_to_handler_cont
 transfer_to_handler_cont:
-	lwz	r11,THREAD_INFO-THREAD(r12)
-	cmplw	r1,r11			/* if r1 <= current->thread_info */
-	ble-	stack_ovf		/* then the kernel stack overflowed */
 3:
 	mflr	r9
 	lwz	r11,0(r9)		/* virtual address of handler */
 	lwz	r9,4(r9)		/* where to go when done */
-	FIX_SRR1(r10,r12)
 	mtspr	SPRN_SRR0,r11
 	mtspr	SPRN_SRR1,r10
 	mtlr	r9
@@ -158,7 +155,9 @@ transfer_to_handler_cont:
 	RFI				/* jump to handler, enable MMU */
 
 #ifdef CONFIG_6xx
-4:	b	power_save_6xx_restore
+4:	rlwinm	r12,r12,0,~_TLF_NAPPING
+	stw	r12,TI_LOCAL_FLAGS(r9)
+	b	power_save_6xx_restore
 #endif
 
 /*
@@ -167,10 +166,10 @@ transfer_to_handler_cont:
  */
 stack_ovf:
 	/* sometimes we use a statically-allocated stack, which is OK. */
-	lis	r11,_end@h
-	ori	r11,r11,_end@l
-	cmplw	r1,r11
-	ble	3b			/* r1 <= &_end is OK */
+	lis	r12,_end@h
+	ori	r12,r12,_end@l
+	cmplw	r1,r12
+	ble	5b			/* r1 <= &_end is OK */
 	SAVE_NVGPRS(r11)
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	lis	r1,init_thread_union@ha
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index 865ba74..b250b1b 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -94,6 +94,7 @@ EXPORT_SYMBOL(strcat);
 EXPORT_SYMBOL(strlen);
 EXPORT_SYMBOL(strcmp);
 EXPORT_SYMBOL(strcasecmp);
+EXPORT_SYMBOL(strncasecmp);
 EXPORT_SYMBOL(__div64_32);
 
 EXPORT_SYMBOL(csum_partial);