Merge commit 'v2.6.26-rc9' into x86/cpu

9 files changed, 88 insertions, 45 deletions

diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index 41c7fd91e99e..fe92e65103ed 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -14,6 +14,7 @@ static struct mpc52xx_sdma __iomem *bes;
 static struct mpc52xx_xlb __iomem *xlb;
 static struct mpc52xx_gpio __iomem *gps;
 static struct mpc52xx_gpio_wkup __iomem *gpw;
+static void __iomem *pci;
 static void __iomem *sram;
 static const int sram_size = 0x4000;    /* 16 kBytes */
 static void __iomem *mbar;
@@ -50,6 +51,8 @@ static int lite5200_pm_prepare(void)
                 { .type = "builtin", .compatible = "mpc5200", }, /* efika */
                 {}
         };
+        u64 regaddr64 = 0;
+        const u32 *regaddr_p;
 
         /* deep sleep? let mpc52xx code handle that */
         if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
@@ -60,8 +63,12 @@ static int lite5200_pm_prepare(void)
 
         /* map registers */
         np = of_find_matching_node(NULL, immr_ids);
-        mbar = of_iomap(np, 0);
+        regaddr_p = of_get_address(np, 0, NULL, NULL);
+        if (regaddr_p)
+                regaddr64 = of_translate_address(np, regaddr_p);
         of_node_put(np);
+
+        mbar = ioremap((u32) regaddr64, 0xC000);
         if (!mbar) {
                 printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
                 return -ENOSYS;
@@ -71,6 +78,7 @@ static int lite5200_pm_prepare(void)
         pic = mbar + 0x500;
         gps = mbar + 0xb00;
         gpw = mbar + 0xc00;
+        pci = mbar + 0xd00;
         bes = mbar + 0x1200;
         xlb = mbar + 0x1f00;
         sram = mbar + 0x8000;
@@ -85,6 +93,7 @@ static struct mpc52xx_sdma sbes;
 static struct mpc52xx_xlb sxlb;
 static struct mpc52xx_gpio sgps;
 static struct mpc52xx_gpio_wkup sgpw;
+static char spci[0x200];
 
 static void lite5200_save_regs(void)
 {
@@ -94,6 +103,7 @@ static void lite5200_save_regs(void)
         _memcpy_fromio(&sxlb, xlb, sizeof(*xlb));
         _memcpy_fromio(&sgps, gps, sizeof(*gps));
         _memcpy_fromio(&sgpw, gpw, sizeof(*gpw));
+        _memcpy_fromio(spci, pci, 0x200);
 
         _memcpy_fromio(saved_sram, sram, sram_size);
 }
@@ -103,6 +113,8 @@ static void lite5200_restore_regs(void)
         int i;
         _memcpy_toio(sram, saved_sram, sram_size);
 
+        /* PCI Configuration */
+        _memcpy_toio(pci, spci, 0x200);
 
         /*
          * GPIOs. Interrupt Master Enable has higher address then other
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/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 7ff29d53dc2d..ecbe580c3f32 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -34,6 +34,7 @@ config MPC85xx_MDS
         bool "Freescale MPC85xx MDS"
         select DEFAULT_UIMAGE
         select QUICC_ENGINE
+        select PHYLIB
         help
           This option enables support for the MPC85xx MDS board
 
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/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 70c660121ec4..78f905bc6a42 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -219,15 +219,25 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX
 static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
 {
+        int ret;
+
         pr_debug("%s, %lx, %lx\n", __func__, dsisr, ea);
 
-        /* Handle kernel space hash faults immediately.
-           User hash faults need to be deferred to process context. */
-        if ((dsisr & MFC_DSISR_PTE_NOT_FOUND)
-            && REGION_ID(ea) != USER_REGION_ID
-            && hash_page(ea, _PAGE_PRESENT, 0x300) == 0) {
-                spu_restart_dma(spu);
-                return 0;
+        /*
+         * Handle kernel space hash faults immediately. User hash
+         * faults need to be deferred to process context.
+         */
+        if ((dsisr & MFC_DSISR_PTE_NOT_FOUND) &&
+            (REGION_ID(ea) != USER_REGION_ID)) {
+
+                spin_unlock(&spu->register_lock);
+                ret = hash_page(ea, _PAGE_PRESENT, 0x300);
+                spin_lock(&spu->register_lock);
+
+                if (!ret) {
+                        spu_restart_dma(spu);
+                        return 0;
+                }
         }
 
         spu->class_1_dar = ea;
@@ -324,17 +334,13 @@ spu_irq_class_0(int irq, void *data)
         stat = spu_int_stat_get(spu, 0) & mask;
 
         spu->class_0_pending |= stat;
-        spu->class_0_dsisr = spu_mfc_dsisr_get(spu);
         spu->class_0_dar = spu_mfc_dar_get(spu);
-        spin_unlock(&spu->register_lock);
-
         spu->stop_callback(spu, 0);
-
         spu->class_0_pending = 0;
-        spu->class_0_dsisr = 0;
         spu->class_0_dar = 0;
 
         spu_int_stat_clear(spu, 0, stat);
+        spin_unlock(&spu->register_lock);
 
         return IRQ_HANDLED;
 }
@@ -357,13 +363,12 @@ spu_irq_class_1(int irq, void *data)
                 spu_mfc_dsisr_set(spu, 0ul);
         spu_int_stat_clear(spu, 1, stat);
 
-        if (stat & CLASS1_SEGMENT_FAULT_INTR)
-                __spu_trap_data_seg(spu, dar);
-
-        spin_unlock(&spu->register_lock);
         pr_debug("%s: %lx %lx %lx %lx\n", __func__, mask, stat,
                         dar, dsisr);
 
+        if (stat & CLASS1_SEGMENT_FAULT_INTR)
+                __spu_trap_data_seg(spu, dar);
+
         if (stat & CLASS1_STORAGE_FAULT_INTR)
                 __spu_trap_data_map(spu, dar, dsisr);
 
@@ -376,6 +381,8 @@ spu_irq_class_1(int irq, void *data)
         spu->class_1_dsisr = 0;
         spu->class_1_dar = 0;
 
+        spin_unlock(&spu->register_lock);
+
         return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
@@ -394,14 +401,12 @@ spu_irq_class_2(int irq, void *data)
         mask = spu_int_mask_get(spu, 2);
         /* ignore interrupts we're not waiting for */
         stat &= mask;
-
         /* mailbox interrupts are level triggered. mask them now before
          * acknowledging */
         if (stat & mailbox_intrs)
                 spu_int_mask_and(spu, 2, ~(stat & mailbox_intrs));
         /* acknowledge all interrupts before the callbacks */
         spu_int_stat_clear(spu, 2, stat);
-        spin_unlock(&spu->register_lock);
 
         pr_debug("class 2 interrupt %d, %lx, %lx\n", irq, stat, mask);
 
@@ -421,6 +426,9 @@ spu_irq_class_2(int irq, void *data)
                 spu->wbox_callback(spu);
 
         spu->stats.class2_intr++;
+
+        spin_unlock(&spu->register_lock);
+
         return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index b7493b865812..f7edba6cb795 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -27,7 +27,6 @@ void spufs_stop_callback(struct spu *spu, int irq)
                 switch(irq) {
                 case 0 :
                         ctx->csa.class_0_pending = spu->class_0_pending;
-                        ctx->csa.class_0_dsisr = spu->class_0_dsisr;
                         ctx->csa.class_0_dar = spu->class_0_dar;
                         break;
                 case 1 :
@@ -51,18 +50,22 @@ int spu_stopped(struct spu_context *ctx, u32 *stat)
         u64 dsisr;
         u32 stopped;
 
-        *stat = ctx->ops->status_read(ctx);
-
-        if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
-                return 1;
-
         stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP |
                 SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP;
-        if (!(*stat & SPU_STATUS_RUNNING) && (*stat & stopped))
+
+top:
+        *stat = ctx->ops->status_read(ctx);
+        if (*stat & stopped) {
+                /*
+                 * If the spu hasn't finished stopping, we need to
+                 * re-read the register to get the stopped value.
+                 */
+                if (*stat & SPU_STATUS_RUNNING)
+                        goto top;
                 return 1;
+        }
 
-        dsisr = ctx->csa.class_0_dsisr;
-        if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))
+        if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
                 return 1;
 
         dsisr = ctx->csa.class_1_dsisr;
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 745dd51ec37f..e929e70a84e3 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -230,19 +230,23 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx)
         ctx->stats.slb_flt_base = spu->stats.slb_flt;
         ctx->stats.class2_intr_base = spu->stats.class2_intr;
 
+        spu_associate_mm(spu, ctx->owner);
+
+        spin_lock_irq(&spu->register_lock);
         spu->ctx = ctx;
         spu->flags = 0;
         ctx->spu = spu;
         ctx->ops = &spu_hw_ops;
         spu->pid = current->pid;
         spu->tgid = current->tgid;
-        spu_associate_mm(spu, ctx->owner);
         spu->ibox_callback = spufs_ibox_callback;
         spu->wbox_callback = spufs_wbox_callback;
         spu->stop_callback = spufs_stop_callback;
         spu->mfc_callback = spufs_mfc_callback;
-        mb();
+        spin_unlock_irq(&spu->register_lock);
+
         spu_unmap_mappings(ctx);
+
         spu_switch_log_notify(spu, ctx, SWITCH_LOG_START, 0);
         spu_restore(&ctx->csa, spu);
         spu->timestamp = jiffies;
@@ -403,6 +407,8 @@ static int has_affinity(struct spu_context *ctx)
  */
 static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
 {
+        u32 status;
+
         spu_context_trace(spu_unbind_context__enter, ctx, spu);
 
         spuctx_switch_state(ctx, SPU_UTIL_SYSTEM);
@@ -423,18 +429,22 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
         spu_unmap_mappings(ctx);
         spu_save(&ctx->csa, spu);
         spu_switch_log_notify(spu, ctx, SWITCH_LOG_STOP, 0);
+
+        spin_lock_irq(&spu->register_lock);
         spu->timestamp = jiffies;
         ctx->state = SPU_STATE_SAVED;
         spu->ibox_callback = NULL;
         spu->wbox_callback = NULL;
         spu->stop_callback = NULL;
         spu->mfc_callback = NULL;
-        spu_associate_mm(spu, NULL);
         spu->pid = 0;
         spu->tgid = 0;
         ctx->ops = &spu_backing_ops;
         spu->flags = 0;
         spu->ctx = NULL;
+        spin_unlock_irq(&spu->register_lock);
+
+        spu_associate_mm(spu, NULL);
 
         ctx->stats.slb_flt +=
                 (spu->stats.slb_flt - ctx->stats.slb_flt_base);
@@ -444,6 +454,9 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
         /* This maps the underlying spu state to idle */
         spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
         ctx->spu = NULL;
+
+        if (spu_stopped(ctx, &status))
+                wake_up_all(&ctx->stop_wq);
 }
 
 /**
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 68ea5eee39a8..8c1ca477c52c 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -42,17 +42,20 @@ static inline const char * pcid_name (struct pci_dev *pdev)
 }
 
 #ifdef DEBUG
-static void print_device_node_tree (struct pci_dn *pdn, int dent)
+static void print_device_node_tree(struct pci_dn *pdn, int dent)
 {
         int i;
-        if (!pdn) return;
-        for (i=0;i<dent; i++)
+        struct device_node *pc;
+
+        if (!pdn)
+                return;
+        for (i = 0; i < dent; i++)
                 printk(" ");
         printk("dn=%s mode=%x \tcfg_addr=%x pe_addr=%x \tfull=%s\n",
                 pdn->node->name, pdn->eeh_mode, pdn->eeh_config_addr,
                 pdn->eeh_pe_config_addr, pdn->node->full_name);
         dent += 3;
-        struct device_node *pc = pdn->node->child;
+        pc = pdn->node->child;
         while (pc) {
                 print_device_node_tree(PCI_DN(pc), dent);
                 pc = pc->sibling;
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index f68903e15bd5..42f7e384e6c4 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -131,8 +131,10 @@ int __init pSeries_nvram_init(void)
                 return -ENODEV;
 
         nbytes_p = of_get_property(nvram, "#bytes", &proplen);
-        if (nbytes_p == NULL || proplen != sizeof(unsigned int))
+        if (nbytes_p == NULL || proplen != sizeof(unsigned int)) {
+                of_node_put(nvram);
                 return -EIO;
+        }
 
         nvram_size = *nbytes_p;