16 files changed, 207 insertions, 108 deletions

diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
index 1f2f1e0a557..bba234eb14a 100644
--- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts
+++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
@@ -21,6 +21,7 @@
                 serial1 = &serial1;
                 pci0 = &pci0;
                 pci1 = &pci1;
+                pci2 = &pci2;
         };
 
         cpus {
@@ -105,7 +106,7 @@
                         compatible = "ns16550";
                         reg = <0x4600 0x100>;
                         clock-frequency = <0>;
-                        interrupts = <28 2>;
+                        interrupts = <42 2>;
                         interrupt-parent = <&mpic>;
                 };
 
@@ -322,4 +323,24 @@
                         };
                 };
         };
+
+        pci2: pcie@e0009000 {
+                #address-cells = <3>;
+                #size-cells = <2>;
+                #interrupt-cells = <1>;
+                device_type = "pci";
+                compatible = "fsl,mpc8641-pcie";
+                reg = <0xe0009000 0x00001000>;
+                ranges = <0x02000000 0 0x90000000 0x90000000 0 0x10000000
+                          0x01000000 0 0x00000000 0xe2000000 0 0x00100000>;
+                bus-range = <0 255>;
+                interrupt-map-mask = <0xf800 0 0 7>;
+                interrupt-map = <0x0000 0 0 1 &mpic 4 1
+                                 0x0000 0 0 2 &mpic 5 1
+                                 0x0000 0 0 3 &mpic 6 1
+                                 0x0000 0 0 4 &mpic 7 1>;
+                interrupt-parent = <&mpic>;
+                interrupts = <25 2>;
+                clock-frequency = <33333333>;
+        };
 };
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index 7a64c564f6e..71d79e428d2 100644
--- a/arch/powerpc/configs/ps3_defconfig
+++ b/arch/powerpc/configs/ps3_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-rc6
-# Thu Mar 20 11:07:04 2008
+# Linux kernel version: 2.6.25
+# Mon Apr 28 12:39:10 2008
 #
 CONFIG_PPC64=y
 
@@ -30,6 +30,9 @@ CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_HAVE_SETUP_PER_CPU_AREA=y
 CONFIG_IRQ_PER_CPU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_ARCH_HAS_ILOG2_U32=y
 CONFIG_ARCH_HAS_ILOG2_U64=y
@@ -73,8 +76,6 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
-# CONFIG_USER_SCHED is not set
-# CONFIG_CGROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
@@ -161,7 +162,6 @@ CONFIG_PPC_MULTIPLATFORM=y
 # CONFIG_PPC_PMAC is not set
 # CONFIG_PPC_MAPLE is not set
 # CONFIG_PPC_PASEMI is not set
-# CONFIG_PPC_CELLEB is not set
 CONFIG_PPC_PS3=y
 
 #
@@ -181,6 +181,7 @@ CONFIG_PS3_LPM=m
 CONFIG_PPC_CELL=y
 # CONFIG_PPC_CELL_NATIVE is not set
 # CONFIG_PPC_IBM_CELL_BLADE is not set
+# CONFIG_PPC_CELLEB is not set
 
 #
 # Cell Broadband Engine options
@@ -205,9 +206,9 @@ CONFIG_SPU_BASE=y
 #
 # Kernel options
 #
-# CONFIG_TICK_ONESHOT is not set
+CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
-# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
@@ -221,7 +222,6 @@ CONFIG_PREEMPT_NONE=y
 CONFIG_BINFMT_ELF=y
 CONFIG_COMPAT_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=y
-CONFIG_FORCE_MAX_ZONEORDER=13
 # CONFIG_IOMMU_VMERGE is not set
 CONFIG_IOMMU_HELPER=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
@@ -255,6 +255,7 @@ CONFIG_BOUNCE=y
 CONFIG_ARCH_MEMORY_PROBE=y
 # CONFIG_PPC_HAS_HASH_64K is not set
 # CONFIG_PPC_64K_PAGES is not set
+CONFIG_FORCE_MAX_ZONEORDER=13
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
@@ -272,7 +273,9 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PCI_SYSCALL is not set
 # CONFIG_ARCH_SUPPORTS_MSI is not set
 # CONFIG_PCCARD is not set
+CONFIG_PAGE_OFFSET=0xc000000000000000
 CONFIG_KERNEL_START=0xc000000000000000
+CONFIG_PHYSICAL_START=0x00000000
 
 #
 # Networking
@@ -292,7 +295,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_MULTICAST=y
 # CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_FIB_HASH=y
 CONFIG_IP_PNP=y
@@ -301,6 +304,7 @@ CONFIG_IP_PNP_DHCP=y
 # CONFIG_IP_PNP_RARP is not set
 # 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
@@ -332,8 +336,10 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y
 CONFIG_INET6_XFRM_MODE_BEET=y
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 CONFIG_IPV6_SIT=y
+CONFIG_IPV6_NDISC_NODETYPE=y
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -392,8 +398,6 @@ CONFIG_IEEE80211=m
 CONFIG_IEEE80211_CRYPT_WEP=m
 CONFIG_IEEE80211_CRYPT_CCMP=m
 CONFIG_IEEE80211_CRYPT_TKIP=m
-CONFIG_IEEE80211_SOFTMAC=m
-# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -507,6 +511,7 @@ CONFIG_WLAN_80211=y
 # CONFIG_LIBERTAS is not set
 # CONFIG_USB_ZD1201 is not set
 # CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_HOSTAP is not set
 
 #
@@ -578,6 +583,7 @@ CONFIG_INPUT_JOYSTICK=y
 # CONFIG_JOYSTICK_SPACEBALL is not set
 # CONFIG_JOYSTICK_STINGER is not set
 # CONFIG_JOYSTICK_TWIDJOY is not set
+# CONFIG_JOYSTICK_ZHENHUA is not set
 # CONFIG_JOYSTICK_JOYDUMP is not set
 # CONFIG_JOYSTICK_XPAD is not set
 # CONFIG_INPUT_TABLET is not set
@@ -641,6 +647,7 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
 
 #
 # Multimedia devices
@@ -761,10 +768,6 @@ CONFIG_SND_PS3_DEFAULT_START_DELAY=2000
 # CONFIG_SND_SOC is not set
 
 #
-# SoC Audio support for SuperH
-#
-
-#
 # ALSA SoC audio for Freescale SOCs
 #
 
@@ -849,6 +852,7 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -893,10 +897,6 @@ CONFIG_USB_MON=y
 # CONFIG_EDAC is not set
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
-
-#
-# Userspace I/O
-#
 # CONFIG_UIO is not set
 
 #
@@ -986,7 +986,6 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
-# CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
@@ -1059,9 +1058,10 @@ CONFIG_NLS_ISO8859_1=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
-# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC_ITU_T=m
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
@@ -1071,6 +1071,7 @@ CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
 
 #
 # Kernel hacking
@@ -1078,6 +1079,7 @@ CONFIG_HAS_DMA=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
@@ -1093,12 +1095,16 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_RT_MUTEX_TESTER is not set
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
 CONFIG_DEBUG_LIST=y
 # CONFIG_DEBUG_SG is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
@@ -1121,51 +1127,81 @@ CONFIG_IRQSTACKS=y
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
 CONFIG_CRYPTO_ALGAPI=y
 CONFIG_CRYPTO_AEAD=m
 CONFIG_CRYPTO_BLKCIPHER=y
-CONFIG_CRYPTO_SEQIV=m
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_GF128MUL=m
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+CONFIG_CRYPTO_CCM=m
+CONFIG_CRYPTO_GCM=m
+CONFIG_CRYPTO_SEQIV=m
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+CONFIG_CRYPTO_CTR=m
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
-CONFIG_CRYPTO_GF128MUL=m
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=y
-CONFIG_CRYPTO_PCBC=m
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_XTS is not set
-CONFIG_CRYPTO_CTR=m
-CONFIG_CRYPTO_GCM=m
-CONFIG_CRYPTO_CCM=m
-# CONFIG_CRYPTO_CRYPTD is not set
-CONFIG_CRYPTO_DES=y
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=m
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_CAST5 is not set
 # CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_SEED is not set
 CONFIG_CRYPTO_SALSA20=m
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
 # CONFIG_CRYPTO_DEFLATE is not set
-CONFIG_CRYPTO_MICHAEL_MIC=m
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-# CONFIG_CRYPTO_AUTHENC is not set
 CONFIG_CRYPTO_LZO=m
 CONFIG_CRYPTO_HW=y
 # CONFIG_PPC_CLOCK is not set
+# CONFIG_VIRTUALIZATION is not set
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index be35ffae10f..1457aa0a08f 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -386,6 +386,8 @@ static void __init smp_create_idle(unsigned int cpu)
                 panic("failed fork for CPU %u: %li", cpu, PTR_ERR(p));
 #ifdef CONFIG_PPC64
         paca[cpu].__current = p;
+        paca[cpu].kstack = (unsigned long) task_thread_info(p)
+                + THREAD_SIZE - STACK_FRAME_OVERHEAD;
 #endif
         current_set[cpu] = task_thread_info(p);
         task_thread_info(p)->cpu = cpu;
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index e722a4eeb5d..4fe69ca2448 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -136,23 +136,6 @@ int sys_ipc(uint call, int first, unsigned long second, long third,
         return ret;
 }
 
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way unix traditionally does this, though.
- */
-int sys_pipe(int __user *fildes)
-{
-        int fd[2];
-        int error;
-
-        error = do_pipe(fd);
-        if (!error) {
-                if (copy_to_user(fildes, fd, 2*sizeof(int)))
-                        error = -EFAULT;
-        }
-        return error;
-}
-
 static inline unsigned long do_mmap2(unsigned long addr, size_t len,
                         unsigned long prot, unsigned long flags,
                         unsigned long fd, unsigned long off, int shift)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 3b26fbd6bec..73401e83739 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -149,7 +149,7 @@ EXPORT_SYMBOL(tb_ticks_per_sec);	/* for cputime_t conversions */
 u64 tb_to_xs;
 unsigned tb_to_us;
 
-#define TICKLEN_SCALE   TICK_LENGTH_SHIFT
+#define TICKLEN_SCALE   NTP_SCALE_SHIFT
 u64 last_tick_len;      /* units are ns / 2^TICKLEN_SCALE */
 u64 ticklen_to_xs;      /* 0.64 fraction */
 
@@ -1007,8 +1007,6 @@ void __init time_init(void)
         vdso_data->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC;
         vdso_data->tb_to_xs = tb_to_xs;
 
-        time_freq = 0;
-
         write_sequnlock_irqrestore(&xtime_lock, flags);
 
         /* Register the clocksource, if we're not running on iSeries */
diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c
index 6d9884a6884..712d89a28c4 100644
--- a/arch/powerpc/kvm/booke_guest.c
+++ b/arch/powerpc/kvm/booke_guest.c
@@ -49,6 +49,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
         { "inst_emu",   VCPU_STAT(emulated_inst_exits) },
         { "dec",        VCPU_STAT(dec_exits) },
         { "ext_intr",   VCPU_STAT(ext_intr_exits) },
+        { "halt_wakeup", VCPU_STAT(halt_wakeup) },
         { NULL }
 };
 
@@ -338,6 +339,11 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
                 }
                 break;
 
+        case BOOKE_INTERRUPT_FP_UNAVAIL:
+                kvmppc_queue_exception(vcpu, exit_nr);
+                r = RESUME_GUEST;
+                break;
+
         case BOOKE_INTERRUPT_DATA_STORAGE:
                 vcpu->arch.dear = vcpu->arch.fault_dear;
                 vcpu->arch.esr = vcpu->arch.fault_esr;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index bad40bd2d3a..777e0f34e0e 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -36,13 +36,12 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 
 int kvm_cpu_has_interrupt(struct kvm_vcpu *v)
 {
-        /* XXX implement me */
-        return 0;
+        return !!(v->arch.pending_exceptions);
 }
 
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
 {
-        return 1;
+        return !(v->arch.msr & MSR_WE);
 }
 
 
@@ -214,6 +213,11 @@ static void kvmppc_decrementer_func(unsigned long data)
         struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data;
 
         kvmppc_queue_exception(vcpu, BOOKE_INTERRUPT_DECREMENTER);
+
+        if (waitqueue_active(&vcpu->wq)) {
+                wake_up_interruptible(&vcpu->wq);
+                vcpu->stat.halt_wakeup++;
+        }
 }
 
 int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
@@ -339,6 +343,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
         int r;
         sigset_t sigsaved;
 
+        vcpu_load(vcpu);
+
         if (vcpu->sigset_active)
                 sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
@@ -363,12 +369,20 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
         if (vcpu->sigset_active)
                 sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 
+        vcpu_put(vcpu);
+
         return r;
 }
 
 int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
 {
         kvmppc_queue_exception(vcpu, BOOKE_INTERRUPT_EXTERNAL);
+
+        if (waitqueue_active(&vcpu->wq)) {
+                wake_up_interruptible(&vcpu->wq);
+                vcpu->stat.halt_wakeup++;
+        }
+
         return 0;
 }
 
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 4bb023f4c86..f1d2cdc5331 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -23,3 +23,4 @@ obj-$(CONFIG_SMP)	+= locks.o
 endif
 
 obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o
+obj-$(CONFIG_HAS_IOMEM) += devres.o
diff --git a/arch/powerpc/lib/devres.c b/arch/powerpc/lib/devres.c
new file mode 100644
index 00000000000..292115d98ea
--- /dev/null
+++ b/arch/powerpc/lib/devres.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/device.h>       /* devres_*(), devm_ioremap_release() */
+#include <linux/io.h>           /* ioremap_flags() */
+#include <linux/module.h>       /* EXPORT_SYMBOL() */
+
+/**
+ * devm_ioremap_prot - Managed ioremap_flags()
+ * @dev: Generic device to remap IO address for
+ * @offset: BUS offset to map
+ * @size: Size of map
+ * @flags: Page flags
+ *
+ * Managed ioremap_prot().  Map is automatically unmapped on driver
+ * detach.
+ */
+void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
+                                 size_t size, unsigned long flags)
+{
+        void __iomem **ptr, *addr;
+
+        ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL);
+        if (!ptr)
+                return NULL;
+
+        addr = ioremap_flags(offset, size, flags);
+        if (addr) {
+                *ptr = addr;
+                devres_add(dev, ptr);
+        } else
+                devres_free(ptr);
+
+        return addr;
+}
+EXPORT_SYMBOL(devm_ioremap_prot);
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index 906daeda59a..cf8705e32d6 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -30,7 +30,7 @@
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
 #else
-#define DBG(fmt...)
+#define DBG pr_debug
 #endif
 
 extern void slb_allocate_realmode(unsigned long ea);
@@ -44,13 +44,13 @@ static void slb_allocate(unsigned long ea)
         slb_allocate_realmode(ea);
 }
 
+#define slb_esid_mask(ssize)    \
+        (((ssize) == MMU_SEGSIZE_256M)? ESID_MASK: ESID_MASK_1T)
+
 static inline unsigned long mk_esid_data(unsigned long ea, int ssize,
                                          unsigned long slot)
 {
-        unsigned long mask;
-
-        mask = (ssize == MMU_SEGSIZE_256M)? ESID_MASK: ESID_MASK_1T;
-        return (ea & mask) | SLB_ESID_V | slot;
+        return (ea & slb_esid_mask(ssize)) | SLB_ESID_V | slot;
 }
 
 #define slb_vsid_shift(ssize)   \
@@ -279,8 +279,8 @@ void slb_initialize(void)
                 patch_slb_encoding(slb_compare_rr_to_size,
                                    mmu_slb_size);
 
-                DBG("SLB: linear  LLP = %04x\n", linear_llp);
-                DBG("SLB: io      LLP = %04x\n", io_llp);
+                DBG("SLB: linear  LLP = %04lx\n", linear_llp);
+                DBG("SLB: io      LLP = %04lx\n", io_llp);
         }
 
         get_paca()->stab_rr = SLB_NUM_BOLTED;
@@ -301,11 +301,16 @@ void slb_initialize(void)
 
         create_shadowed_slbe(VMALLOC_START, mmu_kernel_ssize, vflags, 1);
 
+        /* For the boot cpu, we're running on the stack in init_thread_union,
+         * which is in the first segment of the linear mapping, and also
+         * get_paca()->kstack hasn't been initialized yet.
+         * For secondary cpus, we need to bolt the kernel stack entry now.
+         */
         slb_shadow_clear(2);
+        if (raw_smp_processor_id() != boot_cpuid &&
+            (get_paca()->kstack & slb_esid_mask(mmu_kernel_ssize)) > PAGE_OFFSET)
+                create_shadowed_slbe(get_paca()->kstack,
+                                     mmu_kernel_ssize, lflags, 2);
 
-        /* We don't bolt the stack for the time being - we're in boot,
-         * so the stack is in the bolted segment.  By the time it goes
-         * elsewhere, we'll call _switch() which will bolt in the new
-         * one. */
         asm volatile("isync":::"memory");
 }
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index b962c3ab470..af116aadba1 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -22,6 +22,7 @@
 
 #include <linux/elf.h>
 #include <linux/file.h>
+#include <linux/fdtable.h>
 #include <linux/fs.h>
 #include <linux/list.h>
 #include <linux/module.h>
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index a14e5cdc2fe..e59634f7af9 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -167,8 +167,8 @@ static struct irq_chip ps3_irq_chip = {
  * ps3_private data.
  */
 
-int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
-        unsigned int *virq)
+static int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
+                          unsigned int *virq)
 {
         int result;
         struct ps3_private *pd;
@@ -217,7 +217,7 @@ fail_create:
  * Clears chip data and calls irq_dispose_mapping() for the virq.
  */
 
-int ps3_virq_destroy(unsigned int virq)
+static int ps3_virq_destroy(unsigned int virq)
 {
         const struct ps3_private *pd = get_irq_chip_data(virq);
 
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index bec3803f061..417eca79df6 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -55,11 +55,6 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
         dp = PDE(inode);
         data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: read failed no data\n");
-                return -EIO;
-        }
-
         if (count > RTAS_DATA_BUF_SIZE)
                 count = RTAS_DATA_BUF_SIZE;
 
@@ -146,11 +141,6 @@ static int scanlog_open(struct inode * inode, struct file * file)
         struct proc_dir_entry *dp = PDE(inode);
         unsigned int *data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: open failed no data\n");
-                return -EIO;
-        }
-
         if (data[0] != 0) {
                 /* This imperfect test stops a second copy of the
                  * data (or a reset while data is being copied)
@@ -168,10 +158,6 @@ static int scanlog_release(struct inode * inode, struct file * file)
         struct proc_dir_entry *dp = PDE(inode);
         unsigned int *data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: release failed no data\n");
-                return -EIO;
-        }
         data[0] = 0;
 
         return 0;
@@ -200,12 +186,11 @@ static int __init scanlog_init(void)
         if (!data)
                 goto err;
 
-        ent = proc_create("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
-                          &scanlog_fops);
+        ent = proc_create_data("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
+                               &scanlog_fops, data);
         if (!ent)
                 goto err;
 
-        ent->data = data;
         proc_ppc64_scan_log_dump = ent;
 
         return 0;
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 3d920376f58..a0fa4ebb39c 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -176,6 +176,7 @@ struct rio_priv {
 
 /**
  * fsl_rio_doorbell_send - Send a MPC85xx doorbell message
+ * @mport: RapidIO master port info
  * @index: ID of RapidIO interface
  * @destid: Destination ID of target device
  * @data: 16-bit info field of RapidIO doorbell message
@@ -211,6 +212,7 @@ static int fsl_rio_doorbell_send(struct rio_mport *mport,
 
 /**
  * fsl_local_config_read - Generate a MPC85xx local config space read
+ * @mport: RapidIO master port info
  * @index: ID of RapdiIO interface
  * @offset: Offset into configuration space
  * @len: Length (in bytes) of the maintenance transaction
@@ -232,6 +234,7 @@ static int fsl_local_config_read(struct rio_mport *mport,
 
 /**
  * fsl_local_config_write - Generate a MPC85xx local config space write
+ * @mport: RapidIO master port info
  * @index: ID of RapdiIO interface
  * @offset: Offset into configuration space
  * @len: Length (in bytes) of the maintenance transaction
@@ -254,6 +257,7 @@ static int fsl_local_config_write(struct rio_mport *mport,
 
 /**
  * fsl_rio_config_read - Generate a MPC85xx read maintenance transaction
+ * @mport: RapidIO master port info
  * @index: ID of RapdiIO interface
  * @destid: Destination ID of transaction
  * @hopcount: Number of hops to target device
@@ -295,6 +299,7 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
 
 /**
  * fsl_rio_config_write - Generate a MPC85xx write maintenance transaction
+ * @mport: RapidIO master port info
  * @index: ID of RapdiIO interface
  * @destid: Destination ID of transaction
  * @hopcount: Number of hops to target device
@@ -985,8 +990,8 @@ static inline void fsl_rio_info(struct device *dev, u32 ccsr)
 }
 
 /**
- * fsl_rio_setup - Setup MPC85xx RapidIO interface
- * @fsl_rio_setup - Setup Freescale PowerPC RapidIO interface
+ * fsl_rio_setup - Setup Freescale PowerPC RapidIO interface
+ * @dev: of_device pointer
  *
  * Initializes MPC85xx RapidIO hardware interface, configures
  * master port with system-specific info, and registers the
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 324c01b70dd..3a7054e2bb7 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -389,8 +389,8 @@ static int __init gfar_of_init(void)
                         }
 
                         gfar_data.phy_id = *id;
-                        snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%x",
-                                        res.start);
+                        snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%llx",
+                                 (unsigned long long)res.start);
 
                         of_node_put(phy);
                         of_node_put(mdio);
diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c
index ba8eea2bcce..b7aefd0d45c 100644
--- a/arch/powerpc/sysdev/xilinx_intc.c
+++ b/arch/powerpc/sysdev/xilinx_intc.c
@@ -107,7 +107,7 @@ xilinx_intc_init(struct device_node *np)
         }
         regs = ioremap(res.start, 32);
 
-        printk(KERN_INFO "Xilinx intc at 0x%08X mapped to 0x%p\n",
+        printk(KERN_INFO "Xilinx intc at 0x%08LX mapped to 0x%p\n",
                 res.start, regs);
 
         /* Setup interrupt controller */