Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

10 files changed, 74 insertions, 52 deletions

diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index 54dea9d42dc9..a43ac71ab740 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -24,6 +24,7 @@
 #include <linux/root_dev.h>
 #include <linux/initrd.h>
 
+#include <asm/of_device.h>
 #include <asm/system.h>
 #include <asm/atomic.h>
 #include <asm/time.h>
@@ -136,6 +137,24 @@ static void __init mpc832x_sys_setup_arch(void)
 #endif
 }
 
+static int __init mpc832x_declare_of_platform_devices(void)
+{
+        struct device_node *np;
+
+        for (np = NULL; (np = of_find_compatible_node(np, "network",
+                                        "ucc_geth")) != NULL;) {
+                int ucc_num;
+                char bus_id[BUS_ID_SIZE];
+
+                ucc_num = *((uint *) get_property(np, "device-id", NULL)) - 1;
+                snprintf(bus_id, BUS_ID_SIZE, "ucc_geth.%u", ucc_num);
+                of_platform_device_create(np, bus_id, NULL);
+        }
+
+        return 0;
+}
+device_initcall(mpc832x_declare_of_platform_devices);
+
 void __init mpc832x_sys_init_IRQ(void)
 {
 
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 5446bab08eca..e2bcaaf6b329 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -108,10 +108,6 @@ static int __init mpc834x_itx_probe(void)
         return 1;
 }
 
-#ifdef CONFIG_RTC_CLASS
-late_initcall(rtc_class_hookup);
-#endif
-
 define_machine(mpc834x_itx) {
         .name                   = "MPC834x ITX",
         .probe                  = mpc834x_itx_probe,
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index d0fb959e3ef1..7aa809d5a244 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -655,14 +655,19 @@ static int __init spu_map_interrupts(struct spu *spu, struct device_node *np)
 
         for (i=0; i < 3; i++) {
                 ret = of_irq_map_one(np, i, &oirq);
-                if (ret)
+                if (ret) {
+                        pr_debug("spu_new: failed to get irq %d\n", i);
                         goto err;
-
+                }
                 ret = -EINVAL;
+                pr_debug("  irq %d no 0x%x on %s\n", i, oirq.specifier[0],
+                         oirq.controller->full_name);
                 spu->irqs[i] = irq_create_of_mapping(oirq.controller,
                                         oirq.specifier, oirq.size);
-                if (spu->irqs[i] == NO_IRQ)
+                if (spu->irqs[i] == NO_IRQ) {
+                        pr_debug("spu_new: failed to map it !\n");
                         goto err;
+                }
         }
         return 0;
 
@@ -681,7 +686,7 @@ static int spu_map_resource(struct device_node *node, int nr,
         struct resource resource = { };
         int ret;
 
-        ret = of_address_to_resource(node, 0, &resource);
+        ret = of_address_to_resource(node, nr, &resource);
         if (ret)
                 goto out;
 
@@ -704,22 +709,42 @@ static int __init spu_map_device(struct spu *spu, struct device_node *node)
 
         ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
                                         &spu->local_store_phys);
-        if (ret)
+        if (ret) {
+                pr_debug("spu_new: failed to map %s resource 0\n",
+                         node->full_name);
                 goto out;
+        }
         ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
                                         &spu->problem_phys);
-        if (ret)
+        if (ret) {
+                pr_debug("spu_new: failed to map %s resource 1\n",
+                         node->full_name);
                 goto out_unmap;
+        }
         ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
                                         NULL);
-        if (ret)
+        if (ret) {
+                pr_debug("spu_new: failed to map %s resource 2\n",
+                         node->full_name);
                 goto out_unmap;
+        }
 
         if (!firmware_has_feature(FW_FEATURE_LPAR))
                 ret = spu_map_resource(node, 3, (void __iomem**)&spu->priv1,
                                         NULL);
-        if (ret)
+        if (ret) {
+                pr_debug("spu_new: failed to map %s resource 3\n",
+                         node->full_name);
                 goto out_unmap;
+        }
+        pr_debug("spu_new: %s maps:\n", node->full_name);
+        pr_debug("  local store   : 0x%016lx -> 0x%p\n",
+                 spu->local_store_phys, spu->local_store);
+        pr_debug("  problem state : 0x%016lx -> 0x%p\n",
+                 spu->problem_phys, spu->problem);
+        pr_debug("  priv2         :                       0x%p\n", spu->priv2);
+        pr_debug("  priv1         :                       0x%p\n", spu->priv1);
+
         return 0;
 
 out_unmap:
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0de8e114e6b6..533e2723e184 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -385,7 +385,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
         udata = (void __user *)buf;
 
         spu_acquire(ctx);
-        for (count = 0; count <= len; count += 4, udata++) {
+        for (count = 0; (count + 4) <= len; count += 4, udata++) {
                 int ret;
                 ret = ctx->ops->mbox_read(ctx, &mbox_data);
                 if (ret == 0)
diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c
index efc452e71ab0..d805ffed892d 100644
--- a/arch/powerpc/platforms/cell/spufs/hw_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c
@@ -147,7 +147,7 @@ static void spu_hw_signal1_write(struct spu_context *ctx, u32 data)
 
 static u32 spu_hw_signal2_read(struct spu_context *ctx)
 {
-        return in_be32(&ctx->spu->problem->signal_notify1);
+        return in_be32(&ctx->spu->problem->signal_notify2);
 }
 
 static void spu_hw_signal2_write(struct spu_context *ctx, u32 data)
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index cae3d13229b9..49b8dabcbc99 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -477,8 +477,10 @@ static void __init chrp_find_8259(void)
                        " address, polling\n");
 
         i8259_init(pic, chrp_int_ack);
-        if (ppc_md.get_irq == NULL)
+        if (ppc_md.get_irq == NULL) {
                 ppc_md.get_irq = i8259_irq;
+                irq_set_default_host(i8259_get_host());
+        }
         if (chrp_mpic != NULL) {
                 cascade_irq = irq_of_parse_and_map(pic, 0);
                 if (cascade_irq == NO_IRQ)
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index f4cbbcf8773a..218817d13c5c 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -43,9 +43,6 @@ static void tce_build_iSeries(struct iommu_table *tbl, long index, long npages,
         u64 rc;
         u64 tce, rpn;
 
-        index <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         while (npages--) {
                 rpn = virt_to_abs(uaddr) >> TCE_SHIFT;
                 tce = (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT;
@@ -75,9 +72,6 @@ static void tce_free_iSeries(struct iommu_table *tbl, long index, long npages)
 {
         u64 rc;
 
-        npages <<= TCE_PAGE_FACTOR;
-        index <<= TCE_PAGE_FACTOR;
-
         while (npages--) {
                 rc = HvCallXm_setTce((u64)tbl->it_index, (u64)index, 0);
                 if (rc)
@@ -136,10 +130,9 @@ void iommu_table_getparms_iSeries(unsigned long busno,
                 panic("PCI_DMA: parms->size is zero, parms is 0x%p", parms);
 
         /* itc_size is in pages worth of table, it_size is in # of entries */
-        tbl->it_size = ((parms->itc_size * TCE_PAGE_SIZE) /
-                        TCE_ENTRY_SIZE) >> TCE_PAGE_FACTOR;
+        tbl->it_size = (parms->itc_size * TCE_PAGE_SIZE) / TCE_ENTRY_SIZE;
         tbl->it_busno = parms->itc_busno;
-        tbl->it_offset = parms->itc_offset >> TCE_PAGE_FACTOR;
+        tbl->it_offset = parms->itc_offset;
         tbl->it_index = parms->itc_index;
         tbl->it_blocksize = 1;
         tbl->it_type = virtbus ? TCE_VB : TCE_PCI;
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index a0ff7ba7d666..6f73469fd3b0 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -694,6 +694,11 @@ void * __init iSeries_early_setup(void)
 {
         unsigned long phys_mem_size;
 
+        /* Identify CPU type. This is done again by the common code later
+         * on but calling this function multiple times is fine.
+         */
+        identify_cpu(0);
+
         powerpc_firmware_features |= FW_FEATURE_ISERIES;
         powerpc_firmware_features |= FW_FEATURE_LPAR;
 
diff --git a/arch/powerpc/platforms/powermac/sleep.S b/arch/powerpc/platforms/powermac/sleep.S
index 1174ca128efa..adee28da353f 100644
--- a/arch/powerpc/platforms/powermac/sleep.S
+++ b/arch/powerpc/platforms/powermac/sleep.S
@@ -45,7 +45,8 @@
         .section .text
         .align  5
 
-#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC)
+#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC) || \
+    (defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32))
 
 /* This gets called by via-pmu.c late during the sleep process.
  * The PMU was already send the sleep command and will shut us down
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index d24ba547e53f..556c279a789d 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -57,9 +57,6 @@ static void tce_build_pSeries(struct iommu_table *tbl, long index,
         u64 *tcep;
         u64 rpn;
 
-        index <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         proto_tce = TCE_PCI_READ; // Read allowed
 
         if (direction != DMA_TO_DEVICE)
@@ -82,9 +79,6 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
 {
         u64 *tcep;
 
-        npages <<= TCE_PAGE_FACTOR;
-        index <<= TCE_PAGE_FACTOR;
-
         tcep = ((u64 *)tbl->it_base) + index;
 
         while (npages--)
@@ -95,7 +89,6 @@ static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
 {
         u64 *tcep;
 
-        index <<= TCE_PAGE_FACTOR;
         tcep = ((u64 *)tbl->it_base) + index;
 
         return *tcep;
@@ -109,9 +102,6 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
         u64 proto_tce, tce;
         u64 rpn;
 
-        tcenum <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
         proto_tce = TCE_PCI_READ;
         if (direction != DMA_TO_DEVICE)
@@ -146,7 +136,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
         u64 rpn;
         long l, limit;
 
-        if (TCE_PAGE_FACTOR == 0 && npages == 1)
+        if (npages == 1)
                 return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
                                            direction);
 
@@ -164,9 +154,6 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
                 __get_cpu_var(tce_page) = tcep;
         }
 
-        tcenum <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
         proto_tce = TCE_PCI_READ;
         if (direction != DMA_TO_DEVICE)
@@ -207,9 +194,6 @@ static void tce_free_pSeriesLP(struct iommu_table *tbl, long tcenum, long npages
 {
         u64 rc;
 
-        tcenum <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         while (npages--) {
                 rc = plpar_tce_put((u64)tbl->it_index, (u64)tcenum << 12, 0);
 
@@ -229,9 +213,6 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n
 {
         u64 rc;
 
-        tcenum <<= TCE_PAGE_FACTOR;
-        npages <<= TCE_PAGE_FACTOR;
-
         rc = plpar_tce_stuff((u64)tbl->it_index, (u64)tcenum << 12, 0, npages);
 
         if (rc && printk_ratelimit()) {
@@ -248,7 +229,6 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum)
         u64 rc;
         unsigned long tce_ret;
 
-        tcenum <<= TCE_PAGE_FACTOR;
         rc = plpar_tce_get((u64)tbl->it_index, (u64)tcenum << 12, &tce_ret);
 
         if (rc && printk_ratelimit()) {
@@ -289,7 +269,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
         tbl->it_busno = phb->bus->number;
 
         /* Units of tce entries */
-        tbl->it_offset = phb->dma_window_base_cur >> PAGE_SHIFT;
+        tbl->it_offset = phb->dma_window_base_cur >> IOMMU_PAGE_SHIFT;
 
         /* Test if we are going over 2GB of DMA space */
         if (phb->dma_window_base_cur + phb->dma_window_size > 0x80000000ul) {
@@ -300,7 +280,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
         phb->dma_window_base_cur += phb->dma_window_size;
 
         /* Set the tce table size - measured in entries */
-        tbl->it_size = phb->dma_window_size >> PAGE_SHIFT;
+        tbl->it_size = phb->dma_window_size >> IOMMU_PAGE_SHIFT;
 
         tbl->it_index = 0;
         tbl->it_blocksize = 16;
@@ -325,8 +305,8 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb,
         tbl->it_base   = 0;
         tbl->it_blocksize  = 16;
         tbl->it_type = TCE_PCI;
-        tbl->it_offset = offset >> PAGE_SHIFT;
-        tbl->it_size = size >> PAGE_SHIFT;
+        tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
+        tbl->it_size = size >> IOMMU_PAGE_SHIFT;
 }
 
 static void iommu_bus_setup_pSeries(struct pci_bus *bus)
@@ -522,8 +502,6 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
         const void *dma_window = NULL;
         struct pci_dn *pci;
 
-        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, pci_name(dev));
-
         /* dev setup for LPAR is a little tricky, since the device tree might
          * contain the dma-window properties per-device and not neccesarily
          * for the bus. So we need to search upwards in the tree until we
@@ -532,6 +510,9 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
          */
         dn = pci_device_to_OF_node(dev);
 
+        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s) %s\n",
+             dev, pci_name(dev), dn->full_name);
+
         for (pdn = dn; pdn && PCI_DN(pdn) && !PCI_DN(pdn)->iommu_table;
              pdn = pdn->parent) {
                 dma_window = get_property(pdn, "ibm,dma-window", NULL);