10 files changed, 37 insertions, 11 deletions

diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index c2b9dc4fce5d..22b5d2c459a3 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -368,7 +368,12 @@ interrupt_base:
 
         rlwimi  r11,r13,0,26,31         /* Insert static perms */
 
-        rlwinm  r11,r11,0,20,15         /* Clear U0-U3 */
+        /*
+         * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+         * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+         * include/asm-powerpc/pgtable-ppc32.h for details).
+         */
+        rlwinm  r11,r11,0,20,10
 
         /* find the TLB index that caused the fault.  It has to be here. */
         tlbsx   r10, 0, r10
diff --git a/arch/powerpc/kernel/init_task.c b/arch/powerpc/kernel/init_task.c
index 941043ae040f..4c85b8d56478 100644
--- a/arch/powerpc/kernel/init_task.c
+++ b/arch/powerpc/kernel/init_task.c
@@ -8,7 +8,6 @@
 #include <asm/uaccess.h>
 
 static struct fs_struct init_fs = INIT_FS;
-static struct files_struct init_files = INIT_FILES;
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
 struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 2f73f705d564..bcc249d90c4d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -1073,7 +1073,7 @@ static const struct file_operations virq_debug_fops = {
 static int __init irq_debugfs_init(void)
 {
         if (debugfs_create_file("virq_mapping", S_IRUGO, powerpc_debugfs_root,
-                                 NULL, &virq_debug_fops))
+                                 NULL, &virq_debug_fops) == NULL)
                 return -ENOMEM;
 
         return 0;
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 61dd17449ddc..4d96e1db55ee 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -33,13 +33,14 @@ static struct legacy_serial_info {
         phys_addr_t                     taddr;
 } legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
 
-static struct __initdata of_device_id parents[] = {
+static struct __initdata of_device_id legacy_serial_parents[] = {
         {.type = "soc",},
         {.type = "tsi-bridge",},
         {.type = "opb", },
         {.compatible = "ibm,opb",},
         {.compatible = "simple-bus",},
         {.compatible = "wrs,epld-localbus",},
+        {},
 };
 
 static unsigned int legacy_serial_count;
@@ -136,6 +137,11 @@ static int __init add_legacy_soc_port(struct device_node *np,
         if (of_get_property(np, "clock-frequency", NULL) == NULL)
                 return -1;
 
+        /* if reg-shift or offset, don't try to use it */
+        if ((of_get_property(np, "reg-shift", NULL) != NULL) ||
+                (of_get_property(np, "reg-offset", NULL) != NULL))
+                return -1;
+
         /* if rtas uses this device, don't try to use it as well */
         if (of_get_property(np, "used-by-rtas", NULL) != NULL)
                 return -1;
@@ -322,7 +328,7 @@ void __init find_legacy_serial_ports(void)
                 struct device_node *parent = of_get_parent(np);
                 if (!parent)
                         continue;
-                if (of_match_node(parents, parent) != NULL) {
+                if (of_match_node(legacy_serial_parents, parent) != NULL) {
                         index = add_legacy_soc_port(np, np);
                         if (index >= 0 && np == stdout)
                                 legacy_serial_console = index;
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index e79ad8afda07..3f37a6e62771 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
                 return NULL;
 
         dev->dma_mask = 0xffffffffUL;
+        dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+
         dev->dev.bus = &of_platform_bus_type;
 
         /* We do not fill the DMA ops for platform devices by default.
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/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index cf6b5a7d8b3f..d3ac631cbd26 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -8,7 +8,6 @@
 #include <linux/screen_info.h>
 #include <linux/vt_kern.h>
 #include <linux/nvram.h>
-#include <linux/console.h>
 #include <linux/irq.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
@@ -160,7 +159,6 @@ EXPORT_SYMBOL(screen_info);
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(console_drivers);
 EXPORT_SYMBOL(cacheable_memcpy);
 #endif
 
diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh
index 8e24fc1821e8..2c7e8e87f770 100644
--- a/arch/powerpc/kernel/prom_init_check.sh
+++ b/arch/powerpc/kernel/prom_init_check.sh
@@ -20,7 +20,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush
 _end enter_prom memcpy memset reloc_offset __secondary_hold
 __secondary_hold_acknowledge __secondary_hold_spinloop __start
 strcmp strcpy strlcpy strlen strncmp strstr logo_linux_clut224
-reloc_got2"
+reloc_got2 kernstart_addr"
 
 NM="$1"
 OBJ="$2"
@@ -48,6 +48,20 @@ do
                 fi
         done
 
+        # ignore register save/restore funcitons
+        if [ "${UNDEF:0:9}" = "_restgpr_" ]; then
+                OK=1
+        fi
+        if [ "${UNDEF:0:11}" = "_rest32gpr_" ]; then
+                OK=1
+        fi
+        if [ "${UNDEF:0:9}" = "_savegpr_" ]; then
+                OK=1
+        fi
+        if [ "${UNDEF:0:11}" = "_save32gpr_" ]; then
+                OK=1
+        fi
+
         if [ $OK -eq 0 ]; then
                 ERROR=1
                 echo "Error: External symbol '$UNDEF' referenced" \
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/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index c21a626af676..ce245a850db2 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -142,7 +142,7 @@ static void dump_one_vdso_page(struct page *pg, struct page *upg)
         printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
                page_count(pg),
                pg->flags);
-        if (upg/* && pg != upg*/) {
+        if (upg && !IS_ERR(upg) /* && pg != upg*/) {
                 printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
                                                        << PAGE_SHIFT),
                        page_count(upg),