Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/pci: Fix MODPOST warning
  powerpc/oprofile: Add ppc750 CL as supported by oprofile
  powerpc: warning: allocated section `.data_nosave' not in segment
  powerpc/kgdb: Fix build failure caused by "kgdb.c: unused variable 'acc'"
  powerpc: Fix hypervisor TLB batching
  powerpc/mm: Fix hang accessing top of vmalloc space
  powerpc: Fix memory leak in axon_msi.c
  powerpc/pmac: Fix issues with sleep on some powerbooks
  powerpc64/ftrace: use PACA to retrieve TOC in mod_return_to_handler
  powerpc/ftrace: show real return addresses in modules

12 files changed, 51 insertions, 45 deletions

diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 3a179827528d..20778a405d7a 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -37,7 +37,7 @@
 #define FW_FEATURE_VIO          ASM_CONST(0x0000000000004000)
 #define FW_FEATURE_RDMA         ASM_CONST(0x0000000000008000)
 #define FW_FEATURE_LLAN         ASM_CONST(0x0000000000010000)
-#define FW_FEATURE_BULK         ASM_CONST(0x0000000000020000)
+#define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000000020000)
 #define FW_FEATURE_XDABR        ASM_CONST(0x0000000000040000)
 #define FW_FEATURE_MULTITCE     ASM_CONST(0x0000000000080000)
 #define FW_FEATURE_SPLPAR       ASM_CONST(0x0000000000100000)
@@ -45,8 +45,7 @@
 #define FW_FEATURE_LPAR         ASM_CONST(0x0000000000400000)
 #define FW_FEATURE_PS3_LV1      ASM_CONST(0x0000000000800000)
 #define FW_FEATURE_BEAT         ASM_CONST(0x0000000001000000)
-#define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000002000000)
-#define FW_FEATURE_CMO          ASM_CONST(0x0000000004000000)
+#define FW_FEATURE_CMO          ASM_CONST(0x0000000002000000)
 
 #ifndef __ASSEMBLY__
 
@@ -58,8 +57,9 @@ enum {
                 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
                 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
-                FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
-                FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO,
+                FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
+                FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
+                FW_FEATURE_CMO,
         FW_FEATURE_PSERIES_ALWAYS = 0,
         FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
         FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 0b9c9135922e..03c862b6a9c4 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -711,6 +711,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_setup              = __setup_cpu_750,
                 .machine_check          = machine_check_generic,
                 .platform               = "ppc750",
+                .oprofile_cpu_type      = "ppc/750",
+                .oprofile_type          = PPC_OPROFILE_G4,
         },
         {       /* 745/755 */
                 .pvr_mask               = 0xfffff000,
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 900e0eea0099..f9fd54bfcc84 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -1038,8 +1038,7 @@ _GLOBAL(mod_return_to_handler)
          * We are in a module using the module's TOC.
          * Switch to our TOC to run inside the core kernel.
          */
-        LOAD_REG_IMMEDIATE(r4,ftrace_return_to_handler)
-        ld      r2, 8(r4)
+        ld      r2, PACATOC(r13)
 
         bl      .ftrace_return_to_handler
         nop
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index fe8f71dd0b3f..641c74bb8e27 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -282,12 +282,6 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
         unsigned long *ptr = gdb_regs;
         int reg;
-#ifdef CONFIG_SPE
-        union {
-                u32 v32[2];
-                u64 v64;
-        } acc;
-#endif
 
         for (reg = 0; reg < 32; reg++)
                 UNPACK64(regs->gpr[reg], ptr);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index bb8209e34931..e8dfdbd9327a 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1190,7 +1190,7 @@ EXPORT_SYMBOL(pcibios_align_resource);
  * Reparent resource children of pr that conflict with res
  * under res, and make res replace those children.
  */
-static int __init reparent_resources(struct resource *parent,
+static int reparent_resources(struct resource *parent,
                                      struct resource *res)
 {
         struct resource *p, **pp;
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1168c5f440ab..2ec1eaed19ca 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1016,9 +1016,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
         int curr_frame = current->curr_ret_stack;
         extern void return_to_handler(void);
-        unsigned long addr = (unsigned long)return_to_handler;
+        unsigned long rth = (unsigned long)return_to_handler;
+        unsigned long mrth = -1;
 #ifdef CONFIG_PPC64
-        addr = *(unsigned long*)addr;
+        extern void mod_return_to_handler(void);
+        rth = *(unsigned long *)rth;
+        mrth = (unsigned long)mod_return_to_handler;
+        mrth = *(unsigned long *)mrth;
 #endif
 #endif
 
@@ -1044,7 +1048,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
                 if (!firstframe || ip != lr) {
                         printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-                        if (ip == addr && curr_frame >= 0) {
+                        if ((ip == rth || ip == mrth) && curr_frame >= 0) {
                                 printk(" (%pS)",
                                        (void *)current->ret_stack[curr_frame].ret);
                                 curr_frame--;
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index f56429362a12..27735a7ac12b 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -236,6 +236,7 @@ SECTIONS
                 READ_MOSTLY_DATA(L1_CACHE_BYTES)
         }
 
+        . = ALIGN(PAGE_SIZE);
         .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
                 NOSAVE_DATA
         }
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index bc44dc4b5c67..95ce35581696 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -72,19 +72,17 @@ _GLOBAL(slb_miss_kernel_load_vmemmap)
 1:
 #endif /* CONFIG_SPARSEMEM_VMEMMAP */
 
-        /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
-         * will be patched by the kernel at boot
+        /* vmalloc mapping gets the encoding from the PACA as the mapping
+         * can be demoted from 64K -> 4K dynamically on some machines
          */
-BEGIN_FTR_SECTION
-        /* check whether this is in vmalloc or ioremap space */
         clrldi  r11,r10,48
         cmpldi  r11,(VMALLOC_SIZE >> 28) - 1
         bgt     5f
         lhz     r11,PACAVMALLOCSLLP(r13)
         b       6f
 5:
-END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE)
-_GLOBAL(slb_miss_kernel_load_io)
+        /* IO mapping */
+        _GLOBAL(slb_miss_kernel_load_io)
         li      r11,0
 6:
 BEGIN_FTR_SECTION
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index aca5741ddc67..a86c34b3bb84 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -365,7 +365,7 @@ static int axon_msi_probe(struct of_device *device,
                 printk(KERN_ERR
                        "axon_msi: couldn't parse dcr properties on %s\n",
                         dn->full_name);
-                goto out;
+                goto out_free_msic;
         }
 
         msic->dcr_host = dcr_map(dn, dcr_base, dcr_len);
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index 21226b74c9b2..414ca9849f23 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -540,8 +540,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np)
         /* Make sure IRQ is disabled */
         kw_write_reg(reg_ier, 0);
 
-        /* Request chip interrupt */
-        if (request_irq(host->irq, kw_i2c_irq, 0, "keywest i2c", host))
+        /* Request chip interrupt. We set IRQF_TIMER because we don't
+         * want that interrupt disabled between the 2 passes of driver
+         * suspend or we'll have issues running the pfuncs
+         */
+        if (request_irq(host->irq, kw_i2c_irq, IRQF_TIMER, "keywest i2c", host))
                 host->irq = NO_IRQ;
 
         printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n",
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 5a707da3f5c2..0a14d8cd314f 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -51,11 +51,10 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
         {FW_FEATURE_VIO,                "hcall-vio"},
         {FW_FEATURE_RDMA,               "hcall-rdma"},
         {FW_FEATURE_LLAN,               "hcall-lLAN"},
-        {FW_FEATURE_BULK,               "hcall-bulk"},
+        {FW_FEATURE_BULK_REMOVE,        "hcall-bulk"},
         {FW_FEATURE_XDABR,              "hcall-xdabr"},
         {FW_FEATURE_MULTITCE,           "hcall-multi-tce"},
         {FW_FEATURE_SPLPAR,             "hcall-splpar"},
-        {FW_FEATURE_BULK_REMOVE,        "hcall-bulk"},
 };
 
 /* Build up the firmware features bitmask using the contents of
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index b40fb9b6c862..6f308a4757ee 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -405,7 +405,11 @@ static int __init via_pmu_start(void)
                 printk(KERN_ERR "via-pmu: can't map interrupt\n");
                 return -ENODEV;
         }
-        if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
+        /* We set IRQF_TIMER because we don't want the interrupt to be disabled
+         * between the 2 passes of driver suspend, we control our own disabling
+         * for that one
+         */
+        if (request_irq(irq, via_pmu_interrupt, IRQF_TIMER, "VIA-PMU", (void *)0)) {
                 printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
                 return -ENODEV;
         }
@@ -419,7 +423,7 @@ static int __init via_pmu_start(void)
                         gpio_irq = irq_of_parse_and_map(gpio_node, 0);
 
                 if (gpio_irq != NO_IRQ) {
-                        if (request_irq(gpio_irq, gpio1_interrupt, 0,
+                        if (request_irq(gpio_irq, gpio1_interrupt, IRQF_TIMER,
                                         "GPIO1 ADB", (void *)0))
                                 printk(KERN_ERR "pmu: can't get irq %d"
                                        " (GPIO1)\n", gpio_irq);
@@ -925,8 +929,7 @@ proc_write_options(struct file *file, const char __user *buffer,
 
 #ifdef CONFIG_ADB
 /* Send an ADB command */
-static int
-pmu_send_request(struct adb_request *req, int sync)
+static int pmu_send_request(struct adb_request *req, int sync)
 {
         int i, ret;
 
@@ -1005,16 +1008,11 @@ pmu_send_request(struct adb_request *req, int sync)
 }
 
 /* Enable/disable autopolling */
-static int
-pmu_adb_autopoll(int devs)
+static int __pmu_adb_autopoll(int devs)
 {
         struct adb_request req;
 
-        if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
-                return -ENXIO;
-
         if (devs) {
-                adb_dev_map = devs;
                 pmu_request(&req, NULL, 5, PMU_ADB_CMD, 0, 0x86,
                             adb_dev_map >> 8, adb_dev_map);
                 pmu_adb_flags = 2;
@@ -1027,9 +1025,17 @@ pmu_adb_autopoll(int devs)
         return 0;
 }
 
+static int pmu_adb_autopoll(int devs)
+{
+        if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
+                return -ENXIO;
+
+        adb_dev_map = devs;
+        return __pmu_adb_autopoll(devs);
+}
+
 /* Reset the ADB bus */
-static int
-pmu_adb_reset_bus(void)
+static int pmu_adb_reset_bus(void)
 {
         struct adb_request req;
         int save_autopoll = adb_dev_map;
@@ -1038,13 +1044,13 @@ pmu_adb_reset_bus(void)
                 return -ENXIO;
 
         /* anyone got a better idea?? */
-        pmu_adb_autopoll(0);
+        __pmu_adb_autopoll(0);
 
-        req.nbytes = 5;
+        req.nbytes = 4;
         req.done = NULL;
         req.data[0] = PMU_ADB_CMD;
-        req.data[1] = 0;
-        req.data[2] = ADB_BUSRESET;
+        req.data[1] = ADB_BUSRESET;
+        req.data[2] = 0;
         req.data[3] = 0;
         req.data[4] = 0;
         req.reply_len = 0;
@@ -1056,7 +1062,7 @@ pmu_adb_reset_bus(void)
         pmu_wait_complete(&req);
 
         if (save_autopoll != 0)
-                pmu_adb_autopoll(save_autopoll);
+                __pmu_adb_autopoll(save_autopoll);
 
         return 0;
 }