25 files changed, 139 insertions, 60 deletions
diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts
index 909a89cab9ac..3ebf7ec0484c 100644
--- a/arch/powerpc/boot/dts/mpc8313erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
@@ -191,7 +191,8 @@
                        interrupts = <37 0x8 36 0x8 35 0x8>;
                        interrupt-parent = <&ipic>;
                        tbi-handle = < &tbi0 >;
-                        phy-handle = < &phy1 >;
+                        /* Vitesse 7385 isn't on the MDIO bus */
+                        fixed-link = <1 1 1000 0 0>;
                        fsl,magic-packet;
                        mdio@24520 {
@@ -199,12 +200,6 @@
                                #size-cells = <0>;
                                compatible = "fsl,gianfar-mdio";
                                reg = <0x24520 0x20>;
-                                phy1: ethernet-phy@1 {
-                                        interrupt-parent = <&ipic>;
-                                        interrupts = <19 0x8>;
-                                        reg = <0x1>;
-                                        device_type = "ethernet-phy";
-                                };
                                phy4: ethernet-phy@4 {
                                        interrupt-parent = <&ipic>;
                                        interrupts = <20 0x8>;
@@ -219,6 +214,8 @@
                };
                enet1: ethernet@25000 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
                        cell-index = <1>;
                        device_type = "network";
                        model = "eTSEC";
diff --git a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
index 9e47ae957e2e..409d017621a8 100644
--- a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
+++ b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
@@ -651,7 +651,7 @@ CONFIG_CICADA_PHY=y
 # CONFIG_NATIONAL_PHY is not set
 # CONFIG_STE10XP is not set
 # CONFIG_LSI_ET1011C_PHY is not set
-# CONFIG_FIXED_PHY is not set
+CONFIG_FIXED_PHY=y
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index d811a8cd7b58..4774c2f92232 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -210,5 +210,10 @@ struct compat_shmid64_ds {
        compat_ulong_t __unused6;
 };
+static inline int is_compat_task(void)
+{
+        return test_thread_flag(TIF_32BIT);
+}
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_COMPAT_H */
diff --git a/arch/powerpc/include/asm/pgtable-4k.h b/arch/powerpc/include/asm/pgtable-4k.h
index 6b18ba9d2d85..1dbca4e7de67 100644
--- a/arch/powerpc/include/asm/pgtable-4k.h
+++ b/arch/powerpc/include/asm/pgtable-4k.h
@@ -60,7 +60,7 @@
 /* It should be preserving the high 48 bits and then specifically */
 /* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */
 #define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
-                         _PAGE_HPTEFLAGS)
+                         _PAGE_HPTEFLAGS | _PAGE_SPECIAL)
 /* Bits to mask out from a PMD to get to the PTE page */
 #define PMD_MASKED_BITS         0
diff --git a/arch/powerpc/include/asm/pgtable-64k.h b/arch/powerpc/include/asm/pgtable-64k.h
index 07b0d8f09cb6..7389003349a6 100644
--- a/arch/powerpc/include/asm/pgtable-64k.h
+++ b/arch/powerpc/include/asm/pgtable-64k.h
@@ -114,7 +114,7 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd)
 * pgprot changes
 */
 #define _PAGE_CHG_MASK  (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
-                         _PAGE_ACCESSED)
+                         _PAGE_ACCESSED | _PAGE_SPECIAL)
 /* Bits to mask out from a PMD to get to the PTE page */
 #define PMD_MASKED_BITS         0x1ff
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index f69a4d977729..820b5f0a35ce 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -429,7 +429,8 @@ extern int icache_44x_need_flush;
 #define PMD_PAGE_SIZE(pmd)      bad_call_to_PMD_PAGE_SIZE()
 #endif
-#define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
+                         _PAGE_SPECIAL)
 #define PAGE_PROT_BITS  (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
index 853765eb1f65..00c1d9133cfe 100644
--- a/arch/powerpc/include/asm/seccomp.h
+++ b/arch/powerpc/include/asm/seccomp.h
@@ -1,10 +1,6 @@
 #ifndef _ASM_POWERPC_SECCOMP_H
 #define _ASM_POWERPC_SECCOMP_H
-#ifdef __KERNEL__
-#include <linux/thread_info.h>
-#endif
 #include <linux/unistd.h>
 #define __NR_seccomp_read __NR_read
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 5af4e9b2dbe2..73cb6a3229ae 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -367,27 +367,24 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg,
                           unsigned int flags)
 {
-        char *ptr = (char *) &current->thread.TS_FPR(reg);
+        char *ptr0 = (char *) &current->thread.TS_FPR(reg);
-        int i, ret;
+        char *ptr1 = (char *) &current->thread.TS_FPR(reg+1);
+        int i, ret, sw = 0;
        if (!(flags & F))
                return 0;
        if (reg & 1)
                return 0;       /* invalid form: FRS/FRT must be even */
-        if (!(flags & SW)) {
+        if (flags & SW)
-                /* not byte-swapped - easy */
+                sw = 7;
-                if (!(flags & ST))
+        ret = 0;
-                        ret = __copy_from_user(ptr, addr, 16);
+        for (i = 0; i < 8; ++i) {
-                else
+                if (!(flags & ST)) {
-                        ret = __copy_to_user(addr, ptr, 16);
+                        ret |= __get_user(ptr0[i^sw], addr + i);
-        } else {
+                        ret |= __get_user(ptr1[i^sw], addr + i + 8);
-                /* each FPR value is byte-swapped separately */
+                } else {
-                ret = 0;
+                        ret |= __put_user(ptr0[i^sw], addr + i);
-                for (i = 0; i < 16; ++i) {
+                        ret |= __put_user(ptr1[i^sw], addr + i + 8);
-                        if (!(flags & ST))
-                                ret |= __get_user(ptr[i^7], addr + i);
-                        else
-                                ret |= __put_user(ptr[i^7], addr + i);
                }
        }
        if (ret)
@@ -646,11 +643,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
                       unsigned int areg, struct pt_regs *regs,
                       unsigned int flags, unsigned int length)
 {
-        char *ptr = (char *) &current->thread.TS_FPR(reg);
+        char *ptr;
        int ret = 0;
        flush_vsx_to_thread(current);
+        if (reg < 32)
+                ptr = (char *) &current->thread.TS_FPR(reg);
+        else
+                ptr = (char *) &current->thread.vr[reg - 32];
        if (flags & ST)
                ret = __copy_to_user(addr, ptr, length);
        else {
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 5355244c99ff..60c60ccf5e3c 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -195,8 +195,9 @@ __ftrace_make_nop(struct module *mod,
                return -EINVAL;
        }
-        offset = (unsigned)((unsigned short)jmp[0]) << 16 |
+        /* The bottom half is signed extended */
-                (unsigned)((unsigned short)jmp[1]);
+        offset = ((unsigned)((unsigned short)jmp[0]) << 16) +
+                (int)((short)jmp[1]);
        DEBUGP(" %x ", offset);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 19b12d2cbb4b..0f4181272311 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -561,8 +561,21 @@ int pci_mmap_legacy_page_range(struct pci_bus *bus,
                 (unsigned long long)(offset + size - 1));
        if (mmap_state == pci_mmap_mem) {
-                if ((offset + size) > hose->isa_mem_size)
+                /* Hack alert !
-                        return -ENXIO;
+                 *
+                 * Because X is lame and can fail starting if it gets an error trying
+                 * to mmap legacy_mem (instead of just moving on without legacy memory
+                 * access) we fake it here by giving it anonymous memory, effectively
+                 * behaving just like /dev/zero
+                 */
+                if ((offset + size) > hose->isa_mem_size) {
+                        printk(KERN_DEBUG
+                               "Process %s (pid:%d) mapped non-existing PCI legacy memory for 0%04x:%02x\n",
+                               current->comm, current->pid, pci_domain_nr(bus), bus->number);
+                        if (vma->vm_flags & VM_SHARED)
+                                return shmem_zero_setup(vma);
+                        return 0;
+                }
                offset += hose->isa_mem_phys;
        } else {
                unsigned long io_offset = (unsigned long)hose->io_base_virt - _IO_BASE;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2822c8ccfaaf..5f81256287f5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -125,6 +125,10 @@ static void kvmppc_free_vcpus(struct kvm *kvm)
        }
 }
+void kvm_arch_sync_events(struct kvm *kvm)
+{
+}
 void kvm_arch_destroy_vm(struct kvm *kvm)
 {
        kvmppc_free_vcpus(kvm);
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index 70693a5c12a1..693b14a778fa 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -62,18 +62,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 72:     std     r8,8(r3)
        beq+    3f
        addi    r3,r3,16
-23:     ld      r9,8(r4)
 .Ldo_tail:
        bf      cr7*4+1,1f
-        rotldi  r9,r9,32
+23:     lwz     r9,8(r4)
+        addi    r4,r4,4
 73:     stw     r9,0(r3)
        addi    r3,r3,4
 1:      bf      cr7*4+2,2f
-        rotldi  r9,r9,16
+44:     lhz     r9,8(r4)
+        addi    r4,r4,2
 74:     sth     r9,0(r3)
        addi    r3,r3,2
 2:      bf      cr7*4+3,3f
-        rotldi  r9,r9,8
+45:     lbz     r9,8(r4)
 75:     stb     r9,0(r3)
 3:      li      r3,0
        blr
@@ -141,11 +142,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 6:      cmpwi   cr1,r5,8
        addi    r3,r3,32
        sld     r9,r9,r10
-        ble     cr1,.Ldo_tail
+        ble     cr1,7f
 34:     ld      r0,8(r4)
        srd     r7,r0,r11
        or      r9,r7,r9
-        b       .Ldo_tail
+7:
+        bf      cr7*4+1,1f
+        rotldi  r9,r9,32
+94:     stw     r9,0(r3)
+        addi    r3,r3,4
+1:      bf      cr7*4+2,2f
+        rotldi  r9,r9,16
+95:     sth     r9,0(r3)
+        addi    r3,r3,2
+2:      bf      cr7*4+3,3f
+        rotldi  r9,r9,8
+96:     stb     r9,0(r3)
+3:      li      r3,0
+        blr
 .Ldst_unaligned:
        PPC_MTOCRF      0x01,r6         /* put #bytes to 8B bdry into cr7 */
@@ -218,7 +232,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 121:
 132:
        addi    r3,r3,8
-123:
 134:
 135:
 138:
@@ -226,6 +239,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 140:
 141:
 142:
+123:
+144:
+145:
 /*
 * here we have had a fault on a load and r3 points to the first
@@ -309,6 +325,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 187:
 188:
 189:    
+194:
+195:
+196:
 1:
        ld      r6,-24(r1)
        ld      r5,-8(r1)
@@ -329,7 +348,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
        .llong  72b,172b
        .llong  23b,123b
        .llong  73b,173b
+        .llong  44b,144b
        .llong  74b,174b
+        .llong  45b,145b
        .llong  75b,175b
        .llong  24b,124b
        .llong  25b,125b
@@ -347,6 +368,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
        .llong  79b,179b
        .llong  80b,180b
        .llong  34b,134b
+        .llong  94b,194b
+        .llong  95b,195b
+        .llong  96b,196b
        .llong  35b,135b
        .llong  81b,181b
        .llong  36b,136b
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index fe2d34e5332d..e178922b2c21 100644
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -53,18 +53,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 3:      std     r8,8(r3)
        beq     3f
        addi    r3,r3,16
-        ld      r9,8(r4)
 .Ldo_tail:
        bf      cr7*4+1,1f
-        rotldi  r9,r9,32
+        lwz     r9,8(r4)
+        addi    r4,r4,4
        stw     r9,0(r3)
        addi    r3,r3,4
 1:      bf      cr7*4+2,2f
-        rotldi  r9,r9,16
+        lhz     r9,8(r4)
+        addi    r4,r4,2
        sth     r9,0(r3)
        addi    r3,r3,2
 2:      bf      cr7*4+3,3f
-        rotldi  r9,r9,8
+        lbz     r9,8(r4)
        stb     r9,0(r3)
 3:      ld      r3,48(r1)       /* return dest pointer */
        blr
@@ -133,11 +134,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
        cmpwi   cr1,r5,8
        addi    r3,r3,32
        sld     r9,r9,r10
-        ble     cr1,.Ldo_tail
+        ble     cr1,6f
        ld      r0,8(r4)
        srd     r7,r0,r11
        or      r9,r7,r9
-        b       .Ldo_tail
+6:
+        bf      cr7*4+1,1f
+        rotldi  r9,r9,32
+        stw     r9,0(r3)
+        addi    r3,r3,4
+1:      bf      cr7*4+2,2f
+        rotldi  r9,r9,16
+        sth     r9,0(r3)
+        addi    r3,r3,2
+2:      bf      cr7*4+3,3f
+        rotldi  r9,r9,8
+        stb     r9,0(r3)
+3:      ld      r3,48(r1)       /* return dest pointer */
+        blr
 .Ldst_unaligned:
        PPC_MTOCRF      0x01,r6         # put #bytes to 8B bdry into cr7
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 4aae0c387645..13b7d54f185b 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -172,6 +172,8 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
                        }
                        break;
                case 0x378:     /* orx */
+                        if (instr & 1)
+                                break;
                        rs = (instr >> 21) & 0x1f;
                        rb = (instr >> 11) & 0x1f;
                        if (rs == rb) {         /* mr */
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 1971e4ee3d6e..ea6e41e39d9f 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -73,7 +73,7 @@ extern unsigned int tlbcam_index;
 /*
 * Return PA for this VA if it is mapped by a CAM, or 0
 */
-unsigned long v_mapped_by_tlbcam(unsigned long va)
+phys_addr_t v_mapped_by_tlbcam(unsigned long va)
 {
        int b;
        for (b = 0; b < tlbcam_index; ++b)
@@ -85,7 +85,7 @@ unsigned long v_mapped_by_tlbcam(unsigned long va)
 /*
 * Return VA for a given PA or 0 if not mapped
 */
-unsigned long p_mapped_by_tlbcam(unsigned long pa)
+unsigned long p_mapped_by_tlbcam(phys_addr_t pa)
 {
        int b;
        for (b = 0; b < tlbcam_index; ++b)
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
index 67850ec9feb3..14af8cedab70 100644
--- a/arch/powerpc/mm/hash_low_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
@@ -320,7 +320,7 @@ _GLOBAL(create_hpte)
        and     r8,r8,r0                /* writable if _RW & _DIRTY */
        rlwimi  r5,r5,32-1,30,30        /* _PAGE_USER -> PP msb */
        rlwimi  r5,r5,32-2,31,31        /* _PAGE_USER -> PP lsb */
-        ori     r8,r8,0xe14             /* clear out reserved bits and M */
+        ori     r8,r8,0xe04             /* clear out reserved bits */
        andc    r8,r5,r8                /* PP = user? (rw&dirty? 2: 3): 0 */
 BEGIN_FTR_SECTION
        rlwinm  r8,r8,0,~_PAGE_COHERENT /* clear M (coherence not required) */
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 7393bd76d698..5ac08b8ab654 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -19,6 +19,7 @@
 #include <linux/notifier.h>
 #include <linux/lmb.h>
 #include <linux/of.h>
+#include <linux/pfn.h>
 #include <asm/sparsemem.h>
 #include <asm/prom.h>
 #include <asm/system.h>
@@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid)
                unsigned long physbase = lmb.reserved.region[i].base;
                unsigned long size = lmb.reserved.region[i].size;
                unsigned long start_pfn = physbase >> PAGE_SHIFT;
-                unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT);
+                unsigned long end_pfn = PFN_UP(physbase + size);
                struct node_active_region node_ar;
                unsigned long node_end_pfn = node->node_start_pfn +
                                             node->node_spanned_pages;
@@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid)
                         */
                        if (end_pfn > node_ar.end_pfn)
                                reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
-                                        - (start_pfn << PAGE_SHIFT);
+                                        - physbase;
                        /*
                         * Only worry about *this* node, others may not
                         * yet have valid NODE_DATA().
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 22972cd83cc9..58bcaeba728d 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -61,8 +61,8 @@ void setbat(int index, unsigned long virt, phys_addr_t phys,
 #ifdef HAVE_TLBCAM
 extern unsigned int tlbcam_index;
-extern unsigned long v_mapped_by_tlbcam(unsigned long va);
+extern phys_addr_t v_mapped_by_tlbcam(unsigned long va);
-extern unsigned long p_mapped_by_tlbcam(unsigned long pa);
+extern unsigned long p_mapped_by_tlbcam(phys_addr_t pa);
 #else /* !HAVE_TLBCAM */
 #define v_mapped_by_tlbcam(x)   (0UL)
 #define p_mapped_by_tlbcam(x)   (0UL)
diff --git a/arch/powerpc/oprofile/cell/spu_profiler.c b/arch/powerpc/oprofile/cell/spu_profiler.c
index 9305ddaac512..b129d007e7fe 100644
--- a/arch/powerpc/oprofile/cell/spu_profiler.c
+++ b/arch/powerpc/oprofile/cell/spu_profiler.c
@@ -16,6 +16,7 @@
 #include <linux/smp.h>
 #include <linux/slab.h>
 #include <asm/cell-pmu.h>
+#include <asm/time.h>
 #include "pr_util.h"
 #define SCALE_SHIFT 14
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 9876d7e072f4..ddf0bdc0fc8b 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -186,7 +186,7 @@ out_unmap_regs:
        iounmap(priv->regs);
 out_free_bootmem:
        free_bootmem((unsigned long)priv,
-                     sizeof(sizeof(struct pq2ads_pci_pic)));
+                     sizeof(struct pq2ads_pci_pic));
        of_node_put(np);
 out_unmap_irq:
        irq_dispose_mapping(irq);
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 67de6bf3db3d..d281cc0bca71 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -328,7 +328,7 @@ static int __init ps3_mm_add_memory(void)
        return result;
 }
-core_initcall(ps3_mm_add_memory);
+device_initcall(ps3_mm_add_memory);
 /*============================================================================*/
 /* dma routines                                                               */
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index a623ad256e9e..9b21ee68ea50 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -14,6 +14,7 @@
 #include <asm/firmware.h>
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/sparsemem.h>
 static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
 {
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index b16ca3ed65d2..78f1f7cca0a0 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -165,7 +165,7 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type)
                        edibit = (14 - (src - CPM2_IRQ_EXT1));
        else
                if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0)
-                        edibit = (31 - (src - CPM2_IRQ_PORTC15));
+                        edibit = (31 - (CPM2_IRQ_PORTC0 - src));
                else
                        return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL;
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 88a983ece5c9..9a89cd3e80a2 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -890,7 +890,7 @@ unsigned int ipic_get_irq(void)
        return irq_linear_revmap(primary_ipic->irqhost, irq);
 }
-#ifdef CONFIG_PM
+#ifdef CONFIG_SUSPEND
 static struct {
        u32 sicfr;
        u32 siprr[2];
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 77fae5f64f2e..5558d932b4d5 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -204,6 +204,23 @@ static int __init ppc4xx_setup_one_pci_PMM(struct pci_controller	*hose,
 {
        u32 ma, pcila, pciha;
+        /* Hack warning ! The "old" PCI 2.x cell only let us configure the low
+         * 32-bit of incoming PLB addresses. The top 4 bits of the 36-bit
+         * address are actually hard wired to a value that appears to depend
+         * on the specific SoC. For example, it's 0 on 440EP and 1 on 440EPx.
+         *
+         * The trick here is we just crop those top bits and ignore them when
+         * programming the chip. That means the device-tree has to be right
+         * for the specific part used (we don't print a warning if it's wrong
+         * but on the other hand, you'll crash quickly enough), but at least
+         * this code should work whatever the hard coded value is
+         */
+        plb_addr &= 0xffffffffull;
+        /* Note: Due to the above hack, the test below doesn't actually test
+         * if you address is above 4G, but it tests that address and
+         * (address + size) are both contained in the same 4G
+         */
        if ((plb_addr + size) > 0xffffffffull || !is_power_of_2(size) ||
            size < 0x1000 || (plb_addr & (size - 1)) != 0) {
                printk(KERN_WARNING "%s: Resource out of range\n",