8 files changed, 46 insertions, 29 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index f9c40f869c6e..3e33fb933d99 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1836,7 +1836,7 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
                  * and, in that case, keep the current value for
                  * oprofile_cpu_type.
                  */
-                if (old.oprofile_cpu_type == NULL) {
+                if (old.oprofile_cpu_type != NULL) {
                         t->oprofile_cpu_type = old.oprofile_cpu_type;
                         t->oprofile_type = old.oprofile_type;
                 }
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 53c7788cba78..6b02793dc75b 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -32,7 +32,7 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size,
 {
         void *ret;
 #ifdef CONFIG_NOT_COHERENT_CACHE
-        ret = __dma_alloc_coherent(size, dma_handle, flag);
+        ret = __dma_alloc_coherent(dev, size, dma_handle, flag);
         if (ret == NULL)
                 return NULL;
         *dma_handle += get_dma_direct_offset(dev);
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 70e2a736be1f..2d182f119d1d 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -157,7 +157,7 @@ __ftrace_make_nop(struct module *mod,
          * 0xe8, 0x4c, 0x00, 0x28,    ld      r2,40(r12)
          */
 
-        pr_debug("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc);
+        pr_devel("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc);
 
         /* Find where the trampoline jumps to */
         if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) {
@@ -165,7 +165,7 @@ __ftrace_make_nop(struct module *mod,
                 return -EFAULT;
         }
 
-        pr_debug(" %08x %08x", jmp[0], jmp[1]);
+        pr_devel(" %08x %08x", jmp[0], jmp[1]);
 
         /* verify that this is what we expect it to be */
         if (((jmp[0] & 0xffff0000) != 0x3d820000) ||
@@ -181,18 +181,18 @@ __ftrace_make_nop(struct module *mod,
         offset = ((unsigned)((unsigned short)jmp[0]) << 16) +
                 (int)((short)jmp[1]);
 
-        pr_debug(" %x ", offset);
+        pr_devel(" %x ", offset);
 
         /* get the address this jumps too */
         tramp = mod->arch.toc + offset + 32;
-        pr_debug("toc: %lx", tramp);
+        pr_devel("toc: %lx", tramp);
 
         if (probe_kernel_read(jmp, (void *)tramp, 8)) {
                 printk(KERN_ERR "Failed to read %lx\n", tramp);
                 return -EFAULT;
         }
 
-        pr_debug(" %08x %08x\n", jmp[0], jmp[1]);
+        pr_devel(" %08x %08x\n", jmp[0], jmp[1]);
 
         ptr = ((unsigned long)jmp[0] << 32) + jmp[1];
 
@@ -269,7 +269,7 @@ __ftrace_make_nop(struct module *mod,
          *  0x4e, 0x80, 0x04, 0x20  bctr
          */
 
-        pr_debug("ip:%lx jumps to %lx", ip, tramp);
+        pr_devel("ip:%lx jumps to %lx", ip, tramp);
 
         /* Find where the trampoline jumps to */
         if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) {
@@ -277,7 +277,7 @@ __ftrace_make_nop(struct module *mod,
                 return -EFAULT;
         }
 
-        pr_debug(" %08x %08x ", jmp[0], jmp[1]);
+        pr_devel(" %08x %08x ", jmp[0], jmp[1]);
 
         /* verify that this is what we expect it to be */
         if (((jmp[0] & 0xffff0000) != 0x3d600000) ||
@@ -293,7 +293,7 @@ __ftrace_make_nop(struct module *mod,
         if (tramp & 0x8000)
                 tramp -= 0x10000;
 
-        pr_debug(" %lx ", tramp);
+        pr_devel(" %lx ", tramp);
 
         if (tramp != addr) {
                 printk(KERN_ERR
@@ -402,7 +402,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
         /* ld r2,40(r1) */
         op[1] = 0xe8410028;
 
-        pr_debug("write to %lx\n", rec->ip);
+        pr_devel("write to %lx\n", rec->ip);
 
         if (probe_kernel_write((void *)ip, op, MCOUNT_INSN_SIZE * 2))
                 return -EPERM;
@@ -442,7 +442,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
                 return -EINVAL;
         }
 
-        pr_debug("write to %lx\n", rec->ip);
+        pr_devel("write to %lx\n", rec->ip);
 
         if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
                 return -EPERM;
@@ -594,7 +594,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
                         PPC_LONG "2b,4b\n"
                 ".previous"
 
-                : [old] "=r" (old), [faulted] "=r" (faulted)
+                : [old] "=&r" (old), [faulted] "=r" (faulted)
                 : [parent] "r" (parent), [return_hooker] "r" (return_hooker)
                 : "memory"
         );
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index d59e2b1bdcba..bb3d893a8353 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -125,8 +125,8 @@ void __init reserve_crashkernel(void)
         /* Crash kernel trumps memory limit */
         if (memory_limit && memory_limit <= crashk_res.end) {
                 memory_limit = crashk_res.end + 1;
-                printk("Adjusted memory limit for crashkernel, now 0x%lx\n",
-                                memory_limit);
+                printk("Adjusted memory limit for crashkernel, now 0x%llx\n",
+                       (unsigned long long)memory_limit);
         }
 
         printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 9c69e7e145c5..4fee63cb53ff 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1366,12 +1366,17 @@ static void __init pcibios_allocate_resources(int pass)
 
         for_each_pci_dev(dev) {
                 pci_read_config_word(dev, PCI_COMMAND, &command);
-                for (idx = 0; idx < 6; idx++) {
+                for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
                         r = &dev->resource[idx];
                         if (r->parent)          /* Already allocated */
                                 continue;
                         if (!r->flags || (r->flags & IORESOURCE_UNSET))
                                 continue;       /* Not assigned at all */
+                        /* We only allocate ROMs on pass 1 just in case they
+                         * have been screwed up by firmware
+                         */
+                        if (idx == PCI_ROM_RESOURCE )
+                                disabled = 1;
                         if (r->flags & IORESOURCE_IO)
                                 disabled = !(command & PCI_COMMAND_IO);
                         else
@@ -1382,17 +1387,19 @@ static void __init pcibios_allocate_resources(int pass)
                 if (pass)
                         continue;
                 r = &dev->resource[PCI_ROM_RESOURCE];
-                if (r->flags & IORESOURCE_ROM_ENABLE) {
+                if (r->flags) {
                         /* Turn the ROM off, leave the resource region,
                          * but keep it unregistered.
                          */
                         u32 reg;
-                        pr_debug("PCI: Switching off ROM of %s\n",
-                                 pci_name(dev));
-                        r->flags &= ~IORESOURCE_ROM_ENABLE;
                         pci_read_config_dword(dev, dev->rom_base_reg, &reg);
-                        pci_write_config_dword(dev, dev->rom_base_reg,
-                                               reg & ~PCI_ROM_ADDRESS_ENABLE);
+                        if (reg & PCI_ROM_ADDRESS_ENABLE) {
+                                pr_debug("PCI: Switching off ROM of %s\n",
+                                         pci_name(dev));
+                                r->flags &= ~IORESOURCE_ROM_ENABLE;
+                                pci_write_config_dword(dev, dev->rom_base_reg,
+                                                       reg & ~PCI_ROM_ADDRESS_ENABLE);
+                        }
                 }
         }
 }
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index be574fc0d92f..96edb6f8babb 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -64,7 +64,7 @@ static u32 get_int_prop(struct device_node *np, const char *name, u32 def)
         return def;
 }
 
-static unsigned int pci_parse_of_flags(u32 addr0)
+static unsigned int pci_parse_of_flags(u32 addr0, int bridge)
 {
         unsigned int flags = 0;
 
@@ -75,8 +75,17 @@ static unsigned int pci_parse_of_flags(u32 addr0)
                 if (addr0 & 0x40000000)
                         flags |= IORESOURCE_PREFETCH
                                  | PCI_BASE_ADDRESS_MEM_PREFETCH;
+                /* Note: We don't know whether the ROM has been left enabled
+                 * by the firmware or not. We mark it as disabled (ie, we do
+                 * not set the IORESOURCE_ROM_ENABLE flag) for now rather than
+                 * do a config space read, it will be force-enabled if needed
+                 */
+                if (!bridge && (addr0 & 0xff) == 0x30)
+                        flags |= IORESOURCE_READONLY;
         } else if (addr0 & 0x01000000)
                 flags = IORESOURCE_IO | PCI_BASE_ADDRESS_SPACE_IO;
+        if (flags)
+                flags |= IORESOURCE_SIZEALIGN;
         return flags;
 }
 
@@ -95,7 +104,7 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev)
                 return;
         pr_debug("    parse addresses (%d bytes) @ %p\n", proplen, addrs);
         for (; proplen >= 20; proplen -= 20, addrs += 5) {
-                flags = pci_parse_of_flags(addrs[0]);
+                flags = pci_parse_of_flags(addrs[0], 0);
                 if (!flags)
                         continue;
                 base = of_read_number(&addrs[1], 2);
@@ -293,7 +302,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node,
         }
         i = 1;
         for (; len >= 32; len -= 32, ranges += 8) {
-                flags = pci_parse_of_flags(ranges[0]);
+                flags = pci_parse_of_flags(ranges[0], 1);
                 size = of_read_number(&ranges[6], 2);
                 if (flags == 0 || size == 0)
                         continue;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 5ec6a9e23933..ce01ff2474da 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -426,7 +426,7 @@ static int __init early_parse_mem(char *p)
                 return 1;
 
         memory_limit = PAGE_ALIGN(memparse(p, &p));
-        DBG("memory limit = 0x%lx\n", memory_limit);
+        DBG("memory limit = 0x%llx\n", (unsigned long long)memory_limit);
 
         return 0;
 }
@@ -1160,7 +1160,7 @@ static inline void __init phyp_dump_reserve_mem(void) {}
 
 void __init early_init_devtree(void *params)
 {
-        unsigned long limit;
+        phys_addr_t limit;
 
         DBG(" -> early_init_devtree(%p)\n", params);
 
@@ -1204,7 +1204,7 @@ void __init early_init_devtree(void *params)
 
         limit = memory_limit;
         if (! limit) {
-                unsigned long memsize;
+                phys_addr_t memsize;
 
                 /* Ensure that total memory size is page-aligned, because
                  * otherwise mark_bootmem() gets upset. */
@@ -1218,7 +1218,7 @@ void __init early_init_devtree(void *params)
         lmb_analyze();
         lmb_dump_all();
 
-        DBG("Phys. mem: %lx\n", lmb_phys_mem_size());
+        DBG("Phys. mem: %llx\n", lmb_phys_mem_size());
 
         /* We may need to relocate the flat tree, do it now.
          * FIXME .. and the initrd too? */
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index a047a6cfca4d..8ef8a14abc95 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -264,6 +264,7 @@ SECTIONS
                 *(.data.page_aligned)
         }
 
+        . = ALIGN(L1_CACHE_BYTES);
         .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
                 *(.data.cacheline_aligned)
         }