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

Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's
gone, gone, gone).

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

30 files changed, 148 insertions, 104 deletions

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index bbfa1bdceb4d..a94699d8dc52 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -11,7 +11,8 @@ CFLAGS_btext.o		+= -fPIC
 endif
 
 obj-y                           := semaphore.o cputable.o ptrace.o syscalls.o \
-                                   irq.o align.o signal_32.o pmc.o vdso.o
+                                   irq.o align.o signal_32.o pmc.o vdso.o \
+                                   init_task.o process.o
 obj-y                           += vdso32/
 obj-$(CONFIG_PPC64)             += setup_64.o binfmt_elf32.o sys_ppc32.o \
                                    signal_64.o ptrace32.o systbl.o \
@@ -44,8 +45,7 @@ extra-$(CONFIG_FSL_BOOKE)	:= head_fsl_booke.o
 extra-$(CONFIG_8xx)             := head_8xx.o
 extra-y                         += vmlinux.lds
 
-obj-y                           += process.o init_task.o time.o \
-                                   prom.o traps.o setup-common.o udbg.o
+obj-y                           += time.o prom.o traps.o setup-common.o udbg.o
 obj-$(CONFIG_PPC32)             += entry_32.o setup_32.o misc_32.o systbl.o
 obj-$(CONFIG_PPC64)             += misc_64.o dma_64.o iommu.o
 obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 24fe70f40b66..c367520bc1c3 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -53,6 +53,7 @@ EXPORT_SYMBOL(io_page_mask);
 #ifdef CONFIG_PPC_MULTIPLATFORM
 static void fixup_resource(struct resource *res, struct pci_dev *dev);
 static void do_bus_setup(struct pci_bus *bus);
+static void phbs_remap_io(void);
 #endif
 
 /* pci_io_base -- the base address from which io bars are offsets.
@@ -251,6 +252,7 @@ void pcibios_free_controller(struct pci_controller *phb)
                 kfree(phb);
 }
 
+#ifndef CONFIG_PPC_ISERIES
 void __devinit pcibios_claim_one_bus(struct pci_bus *b)
 {
         struct pci_dev *dev;
@@ -275,7 +277,6 @@ void __devinit pcibios_claim_one_bus(struct pci_bus *b)
 EXPORT_SYMBOL_GPL(pcibios_claim_one_bus);
 #endif
 
-#ifndef CONFIG_PPC_ISERIES
 static void __init pcibios_claim_of_setup(void)
 {
         struct pci_bus *b;
@@ -1218,7 +1219,7 @@ int remap_bus_range(struct pci_bus *bus)
 }
 EXPORT_SYMBOL(remap_bus_range);
 
-void phbs_remap_io(void)
+static void phbs_remap_io(void)
 {
         struct pci_controller *hose, *tmp;
 
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1f816f0d7740..57703994a063 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -201,13 +201,13 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs)
 }
 #endif /* CONFIG_SPE */
 
+#ifndef CONFIG_SMP
 /*
  * If we are doing lazy switching of CPU state (FP, altivec or SPE),
  * and the current task has some state, discard it.
  */
-static inline void discard_lazy_cpu_state(void)
+void discard_lazy_cpu_state(void)
 {
-#ifndef CONFIG_SMP
         preempt_disable();
         if (last_task_used_math == current)
                 last_task_used_math = NULL;
@@ -220,9 +220,10 @@ static inline void discard_lazy_cpu_state(void)
                 last_task_used_spe = NULL;
 #endif
         preempt_enable();
-#endif /* CONFIG_SMP */
 }
+#endif /* CONFIG_SMP */
 
+#ifdef CONFIG_PPC_MERGE         /* XXX for now */
 int set_dabr(unsigned long dabr)
 {
         if (ppc_md.set_dabr)
@@ -231,6 +232,7 @@ int set_dabr(unsigned long dabr)
         mtspr(SPRN_DABR, dabr);
         return 0;
 }
+#endif
 
 #ifdef CONFIG_PPC64
 DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 34ab0daec3a7..02e2115323e4 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1100,17 +1100,37 @@ static int __init early_init_dt_scan_memory(unsigned long node,
 
 static void __init early_reserve_mem(void)
 {
-        unsigned long base, size;
-        unsigned long *reserve_map;
+        u64 base, size;
+        u64 *reserve_map;
 
-        reserve_map = (unsigned long *)(((unsigned long)initial_boot_params) +
+        reserve_map = (u64 *)(((unsigned long)initial_boot_params) +
                                         initial_boot_params->off_mem_rsvmap);
+#ifdef CONFIG_PPC32
+        /* 
+         * Handle the case where we might be booting from an old kexec
+         * image that setup the mem_rsvmap as pairs of 32-bit values
+         */
+        if (*reserve_map > 0xffffffffull) {
+                u32 base_32, size_32;
+                u32 *reserve_map_32 = (u32 *)reserve_map;
+
+                while (1) {
+                        base_32 = *(reserve_map_32++);
+                        size_32 = *(reserve_map_32++);
+                        if (size_32 == 0)
+                                break;
+                        DBG("reserving: %lx -> %lx\n", base_32, size_32);
+                        lmb_reserve(base_32, size_32);
+                }
+                return;
+        }
+#endif
         while (1) {
                 base = *(reserve_map++);
                 size = *(reserve_map++);
                 if (size == 0)
                         break;
-                DBG("reserving: %lx -> %lx\n", base, size);
+                DBG("reserving: %llx -> %llx\n", base, size);
                 lmb_reserve(base, size);
         }
 
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index e381f2fc121c..d963a12ec640 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -137,8 +137,8 @@ struct prom_t {
 };
 
 struct mem_map_entry {
-        unsigned long   base;
-        unsigned long   size;
+        u64     base;
+        u64     size;
 };
 
 typedef u32 cell_t;
@@ -897,9 +897,9 @@ static unsigned long __init prom_next_cell(int s, cell_t **cellp)
  * If problems seem to show up, it would be a good start to track
  * them down.
  */
-static void reserve_mem(unsigned long base, unsigned long size)
+static void reserve_mem(u64 base, u64 size)
 {
-        unsigned long top = base + size;
+        u64 top = base + size;
         unsigned long cnt = RELOC(mem_reserve_cnt);
 
         if (size == 0)
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index d3f0b6d452fb..177bba78fb0b 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -497,6 +497,15 @@ static long restore_user_regs(struct pt_regs *regs,
         if (err)
                 return 1;
 
+        /*
+         * Do this before updating the thread state in
+         * current->thread.fpr/vr/evr.  That way, if we get preempted
+         * and another task grabs the FPU/Altivec/SPE, it won't be
+         * tempted to save the current CPU state into the thread_struct
+         * and corrupt what we are writing there.
+         */
+        discard_lazy_cpu_state();
+
         /* force the process to reload the FP registers from
            current->thread when it next does FP instructions */
         regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1);
@@ -538,18 +547,6 @@ static long restore_user_regs(struct pt_regs *regs,
                 return 1;
 #endif /* CONFIG_SPE */
 
-#ifndef CONFIG_SMP
-        preempt_disable();
-        if (last_task_used_math == current)
-                last_task_used_math = NULL;
-        if (last_task_used_altivec == current)
-                last_task_used_altivec = NULL;
-#ifdef CONFIG_SPE
-        if (last_task_used_spe == current)
-                last_task_used_spe = NULL;
-#endif
-        preempt_enable();
-#endif
         return 0;
 }
 
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 5462bef898f6..7b9d999e2115 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -207,10 +207,20 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 
         if (!sig)
                 regs->gpr[13] = save_r13;
-        err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
         if (set != NULL)
                 err |=  __get_user(set->sig[0], &sc->oldmask);
 
+        /*
+         * Do this before updating the thread state in
+         * current->thread.fpr/vr.  That way, if we get preempted
+         * and another task grabs the FPU/Altivec, it won't be
+         * tempted to save the current CPU state into the thread_struct
+         * and corrupt what we are writing there.
+         */
+        discard_lazy_cpu_state();
+
+        err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
+
 #ifdef CONFIG_ALTIVEC
         err |= __get_user(v_regs, &sc->v_regs);
         err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
@@ -229,14 +239,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
                 current->thread.vrsave = 0;
 #endif /* CONFIG_ALTIVEC */
 
-#ifndef CONFIG_SMP
-        preempt_disable();
-        if (last_task_used_math == current)
-                last_task_used_math = NULL;
-        if (last_task_used_altivec == current)
-                last_task_used_altivec = NULL;
-        preempt_enable();
-#endif
         /* Force reload of FP/VEC */
         regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
 
diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c
index 85152544c153..e0e051c675dd 100644
--- a/arch/powerpc/platforms/cell/pervasive.c
+++ b/arch/powerpc/platforms/cell/pervasive.c
@@ -142,7 +142,7 @@ static void cbe_idle(void)
         }
 }
 
-int cbe_system_reset_exception(struct pt_regs *regs)
+static int cbe_system_reset_exception(struct pt_regs *regs)
 {
         switch (regs->msr & SRR1_WAKEMASK) {
         case SRR1_WAKEEE:
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 18e25e65c04b..b33a4443f5a9 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -57,7 +57,7 @@
 #define DBG(fmt...)
 #endif
 
-void cell_show_cpuinfo(struct seq_file *m)
+static void cell_show_cpuinfo(struct seq_file *m)
 {
         struct device_node *root;
         const char *model = "";
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index d549aa7ebea6..e6565a949ddc 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -29,7 +29,9 @@
  * value of the spu_status register after the SPU has stopped.
  *
  */
-long do_spu_run(struct file *filp, __u32 __user *unpc, __u32 __user *ustatus)
+static long do_spu_run(struct file *filp,
+                        __u32 __user *unpc,
+                        __u32 __user *ustatus)
 {
         long ret;
         struct spufs_inode_info *i;
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
index 127b465308be..ce8c0b943fa0 100644
--- a/arch/powerpc/platforms/iseries/Makefile
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -1,8 +1,8 @@
 EXTRA_CFLAGS    += -mno-minimal-toc
 
 obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o \
-        hvcall.o proc.o htab.o iommu.o misc.o
-obj-$(CONFIG_PCI) += pci.o irq.o vpdinfo.o
+        hvcall.o proc.o htab.o iommu.o misc.o irq.o
+obj-$(CONFIG_PCI) += pci.o vpdinfo.o
 obj-$(CONFIG_IBMVIO) += vio.o
 obj-$(CONFIG_SMP) += smp.o
 obj-$(CONFIG_VIOPATH) += viopath.o
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 2b54eeb2c899..bea0b703f409 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -34,6 +34,8 @@
 #include <asm/pci-bridge.h>
 #include <asm/iseries/hv_call_xm.h>
 
+#include "iommu.h"
+
 extern struct list_head iSeries_Global_Device_List;
 
 
diff --git a/arch/powerpc/platforms/iseries/iommu.h b/arch/powerpc/platforms/iseries/iommu.h
new file mode 100644
index 000000000000..cb5658fbe657
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/iommu.h
@@ -0,0 +1,35 @@
+#ifndef _PLATFORMS_ISERIES_IOMMU_H
+#define _PLATFORMS_ISERIES_IOMMU_H
+
+/*
+ * Copyright (C) 2005  Stephen Rothwell, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the:
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330,
+ * Boston, MA  02111-1307  USA
+ */
+
+struct device_node;
+struct iommu_table;
+
+/* Creates table for an individual device node */
+extern void iommu_devnode_init_iSeries(struct device_node *dn);
+
+/* Get table parameters from HV */
+extern void iommu_table_getparms_iSeries(unsigned long busno,
+                unsigned char slotno, unsigned char virtbus,
+                struct iommu_table *tbl);
+
+#endif /* _PLATFORMS_ISERIES_IOMMU_H */
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c
index 42e978e4897a..83442ea77476 100644
--- a/arch/powerpc/platforms/iseries/irq.c
+++ b/arch/powerpc/platforms/iseries/irq.c
@@ -48,6 +48,8 @@
 extern void iSeries_smp_message_recv(struct pt_regs *);
 #endif
 
+#ifdef CONFIG_PCI
+
 enum pci_event_type {
         pe_bus_created          = 0,    /* PHB has been created */
         pe_bus_error            = 1,    /* PHB has failed */
@@ -147,20 +149,11 @@ static void int_received(struct pci_event *event, struct pt_regs *regs)
 static void pci_event_handler(struct HvLpEvent *event, struct pt_regs *regs)
 {
         if (event && (event->xType == HvLpEvent_Type_PciIo)) {
-                switch (event->xFlags.xFunction) {
-                case HvLpEvent_Function_Int:
+                if (hvlpevent_is_int(event))
                         int_received((struct pci_event *)event, regs);
-                        break;
-                case HvLpEvent_Function_Ack:
+                else
                         printk(KERN_ERR
                                 "pci_event_handler: unexpected ack received\n");
-                        break;
-                default:
-                        printk(KERN_ERR
-                                "pci_event_handler: unexpected event function %d\n",
-                                (int)event->xFlags.xFunction);
-                        break;
-                }
         } else if (event)
                 printk(KERN_ERR
                         "pci_event_handler: Unrecognized PCI event type 0x%x\n",
@@ -334,6 +327,8 @@ int __init iSeries_allocate_IRQ(HvBusNumber bus,
         return virtirq;
 }
 
+#endif /* CONFIG_PCI */
+
 /*
  * Get the next pending IRQ.
  */
@@ -353,6 +348,7 @@ int iSeries_get_irq(struct pt_regs *regs)
         if (hvlpevent_is_pending())
                 process_hvlpevents(regs);
 
+#ifdef CONFIG_PCI
         if (num_pending_irqs) {
                 spin_lock(&pending_irqs_lock);
                 for (irq = 0; irq < NR_IRQS; irq++) {
@@ -366,6 +362,7 @@ int iSeries_get_irq(struct pt_regs *regs)
                 if (irq >= NR_IRQS)
                         irq = -2;
         }
+#endif
 
         return irq;
 }
diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c
index ea72385aaf0a..438e2dba63b5 100644
--- a/arch/powerpc/platforms/iseries/lpardata.c
+++ b/arch/powerpc/platforms/iseries/lpardata.c
@@ -93,10 +93,7 @@ struct ItLpNaca itLpNaca = {
         .xPirEnvironMode = 0,           /* Piranha stuff */
         .xPirConsoleMode = 0,
         .xPirDasdMode = 0,
-        .xLparInstalled = 0,
-        .xSysPartitioned = 0,
-        .xHwSyncedTBs = 0,
-        .xIntProcUtilHmt = 0,
+        .flags = 0,
         .xSpVpdFormat = 0,
         .xIntProcRatio = 0,
         .xPlicVrmIndex = 0,             /* VRM index of PLIC */
diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c
index e9fb98bf895f..0b885300d1d1 100644
--- a/arch/powerpc/platforms/iseries/lpevents.c
+++ b/arch/powerpc/platforms/iseries/lpevents.c
@@ -53,7 +53,7 @@ static struct HvLpEvent * get_next_hvlpevent(void)
         struct HvLpEvent * event;
         event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr;
 
-        if (event->xFlags.xValid) {
+        if (hvlpevent_is_valid(event)) {
                 /* rmb() needed only for weakly consistent machines (regatta) */
                 rmb();
                 /* Set pointer to next potential event */
@@ -84,7 +84,7 @@ int hvlpevent_is_pending(void)
 
         next_event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr;
 
-        return next_event->xFlags.xValid |
+        return hvlpevent_is_valid(next_event) ||
                 hvlpevent_queue.xPlicOverflowIntPending;
 }
 
@@ -101,18 +101,18 @@ static void hvlpevent_clear_valid(struct HvLpEvent * event)
         switch (extra) {
         case 3:
                 tmp = (struct HvLpEvent*)((char*)event + 3 * LpEventAlign);
-                tmp->xFlags.xValid = 0;
+                hvlpevent_invalidate(tmp);
         case 2:
                 tmp = (struct HvLpEvent*)((char*)event + 2 * LpEventAlign);
-                tmp->xFlags.xValid = 0;
+                hvlpevent_invalidate(tmp);
         case 1:
                 tmp = (struct HvLpEvent*)((char*)event + 1 * LpEventAlign);
-                tmp->xFlags.xValid = 0;
+                hvlpevent_invalidate(tmp);
         }
 
         mb();
 
-        event->xFlags.xValid = 0;
+        hvlpevent_invalidate(event);
 }
 
 void process_hvlpevents(struct pt_regs *regs)
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index 49e7e4b85847..a41d8b78c0cd 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -251,10 +251,7 @@ static struct pending_event *new_pending_event(void)
         }
         memset(ev, 0, sizeof(struct pending_event));
         hev = &ev->event.hp_lp_event;
-        hev->xFlags.xValid = 1;
-        hev->xFlags.xAckType = HvLpEvent_AckType_ImmediateAck;
-        hev->xFlags.xAckInd = HvLpEvent_AckInd_DoAck;
-        hev->xFlags.xFunction = HvLpEvent_Function_Int;
+        hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DO_ACK | HV_LP_EVENT_INT;
         hev->xType = HvLpEvent_Type_MachineFac;
         hev->xSourceLp = HvLpConfig_getLpIndex();
         hev->xTargetLp = primary_lp;
@@ -518,17 +515,10 @@ static void handle_ack(struct io_mf_lp_event *event)
 static void hv_handler(struct HvLpEvent *event, struct pt_regs *regs)
 {
         if ((event != NULL) && (event->xType == HvLpEvent_Type_MachineFac)) {
-                switch(event->xFlags.xFunction) {
-                case HvLpEvent_Function_Ack:
+                if (hvlpevent_is_ack(event))
                         handle_ack((struct io_mf_lp_event *)event);
-                        break;
-                case HvLpEvent_Function_Int:
+                else
                         handle_int((struct io_mf_lp_event *)event);
-                        break;
-                default:
-                        printk(KERN_ERR "mf.c: non ack/int event received\n");
-                        break;
-                }
         } else
                 printk(KERN_ERR "mf.c: alien event received\n");
 }
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index dafc518fbb83..a19833b880e4 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -43,6 +43,7 @@
 #include "irq.h"
 #include "pci.h"
 #include "call_pci.h"
+#include "iommu.h"
 
 extern unsigned long io_page_mask;
 
diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c
index 384360ee06ec..ad36ab0639f0 100644
--- a/arch/powerpc/platforms/iseries/vio.c
+++ b/arch/powerpc/platforms/iseries/vio.c
@@ -22,6 +22,8 @@
 #include <asm/iseries/hv_lp_config.h>
 #include <asm/iseries/hv_call_xm.h>
 
+#include "iommu.h"
+
 struct device *iSeries_vio_dev = &vio_bus_device.dev;
 EXPORT_SYMBOL(iSeries_vio_dev);
 
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index 842672695598..622a30149b48 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -270,7 +270,7 @@ static void handleMonitorEvent(struct HvLpEvent *event)
          * First see if this is just a normal monitor message from the
          * other partition
          */
-        if (event->xFlags.xFunction == HvLpEvent_Function_Int) {
+        if (hvlpevent_is_int(event)) {
                 remoteLp = event->xSourceLp;
                 if (!viopathStatus[remoteLp].isActive)
                         sendMonMsg(remoteLp);
@@ -331,13 +331,12 @@ static void handleConfig(struct HvLpEvent *event)
 {
         if (!event)
                 return;
-        if (event->xFlags.xFunction == HvLpEvent_Function_Int) {
+        if (hvlpevent_is_int(event)) {
                 printk(VIOPATH_KERN_WARN
                        "unexpected config request from partition %d",
                        event->xSourceLp);
 
-                if ((event->xFlags.xFunction == HvLpEvent_Function_Int) &&
-                    (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) {
+                if (hvlpevent_need_ack(event)) {
                         event->xRc = HvLpEvent_Rc_InvalidSubtype;
                         HvCallEvent_ackLpEvent(event);
                 }
@@ -377,7 +376,7 @@ static void vio_handleEvent(struct HvLpEvent *event, struct pt_regs *regs)
         int subtype = (event->xSubtype & VIOMAJOR_SUBTYPE_MASK)
                 >> VIOMAJOR_SUBTYPE_SHIFT;
 
-        if (event->xFlags.xFunction == HvLpEvent_Function_Int) {
+        if (hvlpevent_is_int(event)) {
                 remoteLp = event->xSourceLp;
                 /*
                  * The isActive is checked because if the hosting partition
@@ -436,8 +435,7 @@ static void vio_handleEvent(struct HvLpEvent *event, struct pt_regs *regs)
                        "unexpected virtual io event subtype %d from partition %d\n",
                        event->xSubtype, remoteLp);
                 /* No handler.  Ack if necessary */
-                if ((event->xFlags.xFunction == HvLpEvent_Function_Int) &&
-                    (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) {
+                if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) {
                         event->xRc = HvLpEvent_Rc_InvalidSubtype;
                         HvCallEvent_ackLpEvent(event);
                 }
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 3b1a9d4fcbc6..89c4c3636161 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -278,7 +278,7 @@ static void __init l2cr_init(void)
 }
 #endif
 
-void __init pmac_setup_arch(void)
+static void __init pmac_setup_arch(void)
 {
         struct device_node *cpu, *ic;
         int *fp;
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 17cea7f2afd3..83578313ee7e 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -208,10 +208,11 @@ static void __eeh_mark_slot (struct device_node *dn, int mode_flag)
 {
         while (dn) {
                 if (PCI_DN(dn)) {
-                        PCI_DN(dn)->eeh_mode |= mode_flag;
-
                         /* Mark the pci device driver too */
                         struct pci_dev *dev = PCI_DN(dn)->pcidev;
+
+                        PCI_DN(dn)->eeh_mode |= mode_flag;
+
                         if (dev && dev->driver)
                                 dev->error_state = pci_channel_io_frozen;
 
diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c
index 4d584172055a..22bfb5c89db9 100644
--- a/arch/powerpc/platforms/pseries/hvcserver.c
+++ b/arch/powerpc/platforms/pseries/hvcserver.c
@@ -40,7 +40,7 @@ MODULE_VERSION(HVCS_ARCH_VERSION);
  * functions aren't performance sensitive, so this conversion isn't an
  * issue.
  */
-int hvcs_convert(long to_convert)
+static int hvcs_convert(long to_convert)
 {
         switch (to_convert) {
                 case H_Success:
@@ -91,7 +91,7 @@ int hvcs_free_partner_info(struct list_head *head)
 EXPORT_SYMBOL(hvcs_free_partner_info);
 
 /* Helper function for hvcs_get_partner_info */
-int hvcs_next_partner(uint32_t unit_address,
+static int hvcs_next_partner(uint32_t unit_address,
                 unsigned long last_p_partition_ID,
                 unsigned long last_p_unit_address, unsigned long *pi_buff)
 
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 169f9148789c..48cfbfc43f99 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -51,8 +51,6 @@
 
 #define DBG(fmt...)
 
-extern int is_python(struct device_node *);
-
 static void tce_build_pSeries(struct iommu_table *tbl, long index, 
                               long npages, unsigned long uaddr, 
                               enum dma_data_direction direction)
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index 2edc947f7c44..50643496eb63 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -192,7 +192,7 @@ struct file_operations scanlog_fops = {
         .release        = scanlog_release,
 };
 
-int __init scanlog_init(void)
+static int __init scanlog_init(void)
 {
         struct proc_dir_entry *ent;
 
@@ -222,7 +222,7 @@ int __init scanlog_init(void)
         return 0;
 }
 
-void __exit scanlog_cleanup(void)
+static void __exit scanlog_cleanup(void)
 {
         if (proc_ppc64_scan_log_dump) {
                 kfree(proc_ppc64_scan_log_dump->data);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 8903cf63236a..68b7f086d63d 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -86,7 +86,7 @@ static void pseries_dedicated_idle(void);
 
 struct mpic *pSeries_mpic;
 
-void pSeries_show_cpuinfo(struct seq_file *m)
+static void pSeries_show_cpuinfo(struct seq_file *m)
 {
         struct device_node *root;
         const char *model = "";
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 2f543cea9787..8e6b1ed1396e 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -93,7 +93,7 @@ static int query_cpu_stopped(unsigned int pcpu)
         return cpu_status;
 }
 
-int pSeries_cpu_disable(void)
+static int pSeries_cpu_disable(void)
 {
         int cpu = smp_processor_id();
 
@@ -109,7 +109,7 @@ int pSeries_cpu_disable(void)
         return 0;
 }
 
-void pSeries_cpu_die(unsigned int cpu)
+static void pSeries_cpu_die(unsigned int cpu)
 {
         int tries;
         int cpu_status;
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 0c0cfa32eb58..fd823c7c9ac8 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -381,7 +381,7 @@ int xics_get_irq(struct pt_regs *regs)
 
 #ifdef CONFIG_SMP
 
-irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
 {
         int cpu = smp_processor_id();
 
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index e00b46b9514e..977de9db8754 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -139,7 +139,6 @@ static void dart_build(struct iommu_table *tbl, long index,
 
                 *(dp++) = DARTMAP_VALID | (rpn & DARTMAP_RPNMASK);
 
-                rpn++;
                 uaddr += DART_PAGE_SIZE;
         }
 
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 22612ed5379c..7d02fa2a8990 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -311,7 +311,7 @@ static void release_output_lock(void)
 }
 #endif
 
-int xmon_core(struct pt_regs *regs, int fromipi)
+static int xmon_core(struct pt_regs *regs, int fromipi)
 {
         int cmd = 0;
         unsigned long msr;
@@ -528,7 +528,7 @@ xmon_irq(int irq, void *d, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-int xmon_bpt(struct pt_regs *regs)
+static int xmon_bpt(struct pt_regs *regs)
 {
         struct bpt *bp;
         unsigned long offset;
@@ -554,7 +554,7 @@ int xmon_bpt(struct pt_regs *regs)
         return 1;
 }
 
-int xmon_sstep(struct pt_regs *regs)
+static int xmon_sstep(struct pt_regs *regs)
 {
         if (user_mode(regs))
                 return 0;
@@ -562,7 +562,7 @@ int xmon_sstep(struct pt_regs *regs)
         return 1;
 }
 
-int xmon_dabr_match(struct pt_regs *regs)
+static int xmon_dabr_match(struct pt_regs *regs)
 {
         if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF))
                 return 0;
@@ -572,7 +572,7 @@ int xmon_dabr_match(struct pt_regs *regs)
         return 1;
 }
 
-int xmon_iabr_match(struct pt_regs *regs)
+static int xmon_iabr_match(struct pt_regs *regs)
 {
         if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF))
                 return 0;
@@ -582,7 +582,7 @@ int xmon_iabr_match(struct pt_regs *regs)
         return 1;
 }
 
-int xmon_ipi(struct pt_regs *regs)
+static int xmon_ipi(struct pt_regs *regs)
 {
 #ifdef CONFIG_SMP
         if (in_xmon && !cpu_isset(smp_processor_id(), cpus_in_xmon))
@@ -591,7 +591,7 @@ int xmon_ipi(struct pt_regs *regs)
         return 0;
 }
 
-int xmon_fault_handler(struct pt_regs *regs)
+static int xmon_fault_handler(struct pt_regs *regs)
 {
         struct bpt *bp;
         unsigned long offset;