10 files changed, 34 insertions, 54 deletions

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index f5e0b2a5af57..d53b84e761a9 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -221,8 +221,8 @@ image-$(CONFIG_WARP)			+= cuImage.warp
 image-$(CONFIG_YOSEMITE)                += cuImage.yosemite
 
 # Board ports in arch/powerpc/platform/8xx/Kconfig
-image-$(CONFIG_PPC_MPC86XADS)           += cuImage.mpc866ads
-image-$(CONFIG_PPC_MPC885ADS)           += cuImage.mpc885ads
+image-$(CONFIG_MPC86XADS)               += cuImage.mpc866ads
+image-$(CONFIG_MPC885ADS)               += cuImage.mpc885ads
 image-$(CONFIG_PPC_EP88XC)              += dtbImage.ep88xc
 image-$(CONFIG_PPC_ADDER875)            += cuImage.adder875-uboot \
                                            dtbImage.adder875-redboot
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 52750745edfd..30eedfc5a566 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -189,7 +189,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 
         dev->cfg_size = pci_cfg_space_size(dev);
 
-        sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
+        dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(bus),
                 dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
         dev->class = get_int_prop(node, "class-code", 0);
         dev->revision = get_int_prop(node, "revision-id", 0);
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index faeb8f207ea4..da7c058e3731 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -87,6 +87,7 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
 #ifdef CONFIG_ALTIVEC
         elf_vrreg_t __user *v_regs = (elf_vrreg_t __user *)(((unsigned long)sc->vmx_reserve + 15) & ~0xful);
 #endif
+        unsigned long msr = regs->msr;
         long err = 0;
 
         flush_fp_to_thread(current);
@@ -102,7 +103,7 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
                 /* set MSR_VEC in the MSR value in the frame to indicate that sc->v_reg)
                  * contains valid data.
                  */
-                regs->msr |= MSR_VEC;
+                msr |= MSR_VEC;
         }
         /* We always copy to/from vrsave, it's 0 if we don't have or don't
          * use altivec.
@@ -114,6 +115,7 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
         err |= __put_user(&sc->gp_regs, &sc->regs);
         WARN_ON(!FULL_REGS(regs));
         err |= __copy_to_user(&sc->gp_regs, regs, GP_REGS_SIZE);
+        err |= __put_user(msr, &sc->gp_regs[PT_MSR]);
         err |= __copy_to_user(&sc->fp_regs, &current->thread.fpr, FP_REGS_SIZE);
         err |= __put_user(signr, &sc->signal);
         err |= __put_user(handler, &sc->handler);
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index f5d7a5eab96e..75dff7cfa814 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -116,8 +116,6 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu,
         struct tlbe *stlbe = &vcpu->arch.shadow_tlb[index];
         struct page *page = vcpu->arch.shadow_pages[index];
 
-        kunmap(vcpu->arch.shadow_pages[index]);
-
         if (get_tlb_v(stlbe)) {
                 if (kvmppc_44x_tlbe_is_writable(stlbe))
                         kvm_release_page_dirty(page);
@@ -144,18 +142,19 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid,
         stlbe = &vcpu->arch.shadow_tlb[victim];
 
         /* Get reference to new page. */
-        down_write(&current->mm->mmap_sem);
+        down_read(&current->mm->mmap_sem);
         new_page = gfn_to_page(vcpu->kvm, gfn);
         if (is_error_page(new_page)) {
-                printk(KERN_ERR "Couldn't get guest page!\n");
+                printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn);
                 kvm_release_page_clean(new_page);
+                up_read(&current->mm->mmap_sem);
                 return;
         }
         hpaddr = page_to_phys(new_page);
 
         /* Drop reference to old page. */
         kvmppc_44x_shadow_release(vcpu, victim);
-        up_write(&current->mm->mmap_sem);
+        up_read(&current->mm->mmap_sem);
 
         vcpu->arch.shadow_pages[victim] = new_page;
 
diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c
index 712d89a28c46..9c8ad850c6e3 100644
--- a/arch/powerpc/kvm/booke_guest.c
+++ b/arch/powerpc/kvm/booke_guest.c
@@ -227,39 +227,6 @@ void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu)
         }
 }
 
-static int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu)
-{
-        enum emulation_result er;
-        int r;
-
-        er = kvmppc_emulate_instruction(run, vcpu);
-        switch (er) {
-        case EMULATE_DONE:
-                /* Future optimization: only reload non-volatiles if they were
-                 * actually modified. */
-                r = RESUME_GUEST_NV;
-                break;
-        case EMULATE_DO_MMIO:
-                run->exit_reason = KVM_EXIT_MMIO;
-                /* We must reload nonvolatiles because "update" load/store
-                 * instructions modify register state. */
-                /* Future optimization: only reload non-volatiles if they were
-                 * actually modified. */
-                r = RESUME_HOST_NV;
-                break;
-        case EMULATE_FAIL:
-                /* XXX Deliver Program interrupt to guest. */
-                printk(KERN_EMERG "%s: emulation failed (%08x)\n", __func__,
-                       vcpu->arch.last_inst);
-                r = RESUME_HOST;
-                break;
-        default:
-                BUG();
-        }
-
-        return r;
-}
-
 /**
  * kvmppc_handle_exit
  *
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index a03fe0c80698..000097461283 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -246,6 +246,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
         case 31:
                 switch (get_xop(inst)) {
 
+                case 23:                                        /* lwzx */
+                        rt = get_rt(inst);
+                        emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
+                        break;
+
                 case 83:                                        /* mfmsr */
                         rt = get_rt(inst);
                         vcpu->arch.gpr[rt] = vcpu->arch.msr;
@@ -267,6 +272,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
                         kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);
                         break;
 
+                case 151:                                       /* stwx */
+                        rs = get_rs(inst);
+                        emulated = kvmppc_handle_store(run, vcpu,
+                                                       vcpu->arch.gpr[rs],
+                                                       4, 1);
+                        break;
+
                 case 163:                                       /* wrteei */
                         vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)
                                          | (inst & MSR_EE);
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f67e118116fa..51f82d83bf14 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -151,6 +151,7 @@ out:
         return ret;
 }
 #endif /* CONFIG_MEMORY_HOTREMOVE */
+#endif /* CONFIG_MEMORY_HOTPLUG */
 
 /*
  * walk_memory_resource() needs to make sure there is no holes in a given
@@ -184,8 +185,6 @@ walk_memory_resource(unsigned long start_pfn, unsigned long nr_pages, void *arg,
 }
 EXPORT_SYMBOL_GPL(walk_memory_resource);
 
-#endif /* CONFIG_MEMORY_HOTPLUG */
-
 void show_mem(void)
 {
         unsigned long total = 0, reserved = 0;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
index 48da5dfe4856..8a455ebce98d 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c
@@ -100,7 +100,7 @@ static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
         struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
         struct mpc52xx_gpiochip *chip = container_of(mm_gc,
                         struct mpc52xx_gpiochip, mmchip);
-        struct mpc52xx_gpio_wkup *regs = mm_gc->regs;
+        struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
         unsigned long flags;
 
         spin_lock_irqsave(&gpio_lock, flags);
@@ -122,7 +122,7 @@ static int
 mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 {
         struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-        struct mpc52xx_gpio_wkup *regs = mm_gc->regs;
+        struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
         struct mpc52xx_gpiochip *chip = container_of(mm_gc,
                         struct mpc52xx_gpiochip, mmchip);
         unsigned long flags;
@@ -150,7 +150,7 @@ static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev,
                                         const struct of_device_id *match)
 {
         struct mpc52xx_gpiochip *chip;
-        struct mpc52xx_gpio_wkup *regs;
+        struct mpc52xx_gpio_wkup __iomem *regs;
         struct of_gpio_chip *ofchip;
         int ret;
 
@@ -260,7 +260,7 @@ static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
         struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
         struct mpc52xx_gpiochip *chip = container_of(mm_gc,
                         struct mpc52xx_gpiochip, mmchip);
-        struct mpc52xx_gpio *regs = mm_gc->regs;
+        struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
         unsigned long flags;
 
         spin_lock_irqsave(&gpio_lock, flags);
@@ -284,7 +284,7 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
         struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
         struct mpc52xx_gpiochip *chip = container_of(mm_gc,
                         struct mpc52xx_gpiochip, mmchip);
-        struct mpc52xx_gpio *regs = mm_gc->regs;
+        struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
         unsigned long flags;
 
         spin_lock_irqsave(&gpio_lock, flags);
@@ -312,7 +312,7 @@ static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev,
 {
         struct mpc52xx_gpiochip *chip;
         struct of_gpio_chip *ofchip;
-        struct mpc52xx_gpio *regs;
+        struct mpc52xx_gpio __iomem *regs;
         int ret;
 
         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -387,7 +387,7 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 {
         struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-        struct mpc52xx_gpt *regs = mm_gc->regs;
+        struct mpc52xx_gpt __iomem *regs = mm_gc->regs;
 
         out_be32(&regs->mode, 0x04);
 
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index 31da84c458d2..0e04f8fb152a 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -217,7 +217,7 @@ static u##size scc_pciex_in##name(unsigned long port)			\
 static void scc_pciex_ins##name(unsigned long p, void *b, unsigned long c) \
 {                                                                       \
         struct iowa_bus *bus = iowa_pio_find_bus(p);                    \
-        u##size *dst = b;                                               \
+        __le##size *dst = b;                                            \
         for (; c != 0; c--, dst++)                                      \
                 *dst = cpu_to_le##size(__scc_pciex_in##name(bus->phb, p)); \
         scc_pciex_io_flush(bus);                                        \
@@ -231,10 +231,11 @@ static void scc_pciex_outs##name(unsigned long p, const void *b,	\
                                  unsigned long c)                       \
 {                                                                       \
         struct iowa_bus *bus = iowa_pio_find_bus(p);                    \
-        const u##size *src = b;                                         \
+        const __le##size *src = b;                                      \
         for (; c != 0; c--, src++)                                      \
                 __scc_pciex_out##name(bus->phb, le##size##_to_cpu(*src), p); \
 }
+#define __le8 u8
 #define cpu_to_le8(x) (x)
 #define le8_to_cpu(x) (x)
 PCIEX_PIO_FUNC(8, b)
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 3a7054e2bb75..019657c110b6 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -432,7 +432,7 @@ static struct i2c_driver_device i2c_devices[] __initdata = {
         {"dallas,ds1339",  "ds1339"},
         {"dallas,ds1340",  "ds1340"},
         {"stm,m41t00",     "m41t00"},
-        {"dallas,ds1374",  "rtc-ds1374"},
+        {"dallas,ds1374",  "ds1374"},
 };
 
 static int __init of_find_i2c_driver(struct device_node *node,