16 files changed, 79 insertions, 52 deletions

diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index f0b4b516304f..6b4d8acc4c83 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -72,7 +72,7 @@ sun4e_notsup:
         .align 4
 
         /* The Sparc trap table, bootloader gives us control at _start. */
-        .section .text.head,"ax"
+        __HEAD
         .globl  start, _stext, _start, __stext
         .globl  trapbase
 _start:   /* danger danger */
@@ -735,7 +735,7 @@ go_to_highmem:
                  nop
 
 /* The code above should be at beginning and we have to take care about
- * short jumps, as branching to .text.init section from .text is usually
+ * short jumps, as branching to .init.text section from .text is usually
  * impossible */
                 __INIT
 /* Acquire boot time privileged register values, this will help debugging.
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 3a1b7bf03cff..91bf4c7f79b9 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -467,7 +467,7 @@ jump_to_sun4u_init:
         jmpl    %g2 + %g0, %g0
          nop
 
-        .section        .text.init.refok
+        __REF
 sun4u_init:
         BRANCH_IF_SUN4V(g1, sun4v_init)
 
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index 6ce5d2598a09..adf5f273868a 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1183,8 +1183,7 @@ out_free_txq:
         free_queue(lp->tx_num_entries, lp->tx_base);
 
 out_free_mssbuf:
-        if (mssbuf)
-                kfree(mssbuf);
+        kfree(mssbuf);
 
 out_free_iommu:
         ldc_iommu_release(lp);
@@ -1217,8 +1216,7 @@ void ldc_free(struct ldc_channel *lp)
 
         hlist_del(&lp->list);
 
-        if (lp->mssbuf)
-                kfree(lp->mssbuf);
+        kfree(lp->mssbuf);
 
         ldc_iommu_release(lp);
 
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 0a83bd737654..c8f14c1dc521 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -246,8 +246,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 
 static int of_bus_sbus_match(struct device_node *np)
 {
-        return !strcmp(np->name, "sbus") ||
-                !strcmp(np->name, "sbi");
+        struct device_node *dp = np;
+
+        while (dp) {
+                if (!strcmp(dp->name, "sbus") ||
+                    !strcmp(dp->name, "sbi"))
+                        return 1;
+
+                /* Have a look at use_1to1_mapping().  We're trying
+                 * to match SBUS if that's the top-level bus and we
+                 * don't have some intervening real bus that provides
+                 * ranges based translations.
+                 */
+                if (of_find_property(dp, "ranges", NULL) != NULL)
+                        break;
+
+                dp = dp->parent;
+        }
+
+        return 0;
 }
 
 static void of_bus_sbus_count_cells(struct device_node *child,
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index b4a12c9aa5f8..5ac287ac03de 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -99,8 +99,7 @@ static inline u64 of_read_addr(const u32 *cell, int size)
         return r;
 }
 
-static void __init get_cells(struct device_node *dp,
-                             int *addrc, int *sizec)
+static void get_cells(struct device_node *dp, int *addrc, int *sizec)
 {
         if (addrc)
                 *addrc = of_n_addr_cells(dp);
@@ -301,8 +300,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 
 static int of_bus_sbus_match(struct device_node *np)
 {
-        return !strcmp(np->name, "sbus") ||
-                !strcmp(np->name, "sbi");
+        struct device_node *dp = np;
+
+        while (dp) {
+                if (!strcmp(dp->name, "sbus") ||
+                    !strcmp(dp->name, "sbi"))
+                        return 1;
+
+                /* Have a look at use_1to1_mapping().  We're trying
+                 * to match SBUS if that's the top-level bus and we
+                 * don't have some intervening real bus that provides
+                 * ranges based translations.
+                 */
+                if (of_find_property(dp, "ranges", NULL) != NULL)
+                        break;
+
+                dp = dp->parent;
+        }
+
+        return 0;
 }
 
 static void of_bus_sbus_count_cells(struct device_node *child,
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 9462b68f4894..d53f45bc7dda 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -409,8 +409,8 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
         upa_writeq(~(u64)0, pbm->pbm_regs + FIRE_PEC_IENAB);
 }
 
-static int __init pci_fire_pbm_init(struct pci_pbm_info *pbm,
-                                    struct of_device *op, u32 portid)
+static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
+                                       struct of_device *op, u32 portid)
 {
         const struct linux_prom64_registers *regs;
         struct device_node *dp = op->node;
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 3b34344082ef..142b9d6984a8 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -365,8 +365,8 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm)
         pci_config_write8(addr, 64);
 }
 
-static void __init psycho_scan_bus(struct pci_pbm_info *pbm,
-                                   struct device *parent)
+static void __devinit psycho_scan_bus(struct pci_pbm_info *pbm,
+                                      struct device *parent)
 {
         pbm_config_busmastering(pbm);
         pbm->is_66mhz_capable = 0;
@@ -482,8 +482,8 @@ static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm,
 #define PSYCHO_MEMSPACE_B       0x180000000UL
 #define PSYCHO_MEMSPACE_SIZE    0x07fffffffUL
 
-static void __init psycho_pbm_init(struct pci_pbm_info *pbm,
-                                   struct of_device *op, int is_pbm_a)
+static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm,
+                                      struct of_device *op, int is_pbm_a)
 {
         psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO);
         psycho_pbm_strbuf_init(pbm, is_pbm_a);
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 713257b6963c..ba6fbeba3e2c 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -402,8 +402,8 @@ static void apb_init(struct pci_bus *sabre_bus)
         }
 }
 
-static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
-                                  struct device *parent)
+static void __devinit sabre_scan_bus(struct pci_pbm_info *pbm,
+                                     struct device *parent)
 {
         static int once;
 
@@ -442,8 +442,8 @@ static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
         sabre_register_error_handlers(pbm);
 }
 
-static void __init sabre_pbm_init(struct pci_pbm_info *pbm,
-                                  struct of_device *op)
+static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
+                                     struct of_device *op)
 {
         psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE);
         pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 0ef0ab3d4763..5db5ebed35da 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -545,8 +545,8 @@ static const struct dma_ops sun4v_dma_ops = {
         .sync_sg_for_cpu                = dma_4v_sync_sg_for_cpu,
 };
 
-static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
-                                      struct device *parent)
+static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
+                                         struct device *parent)
 {
         struct property *prop;
         struct device_node *dp;
@@ -559,8 +559,8 @@ static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
         /* XXX register error interrupt handlers XXX */
 }
 
-static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
-                                                   struct iommu *iommu)
+static unsigned long __devinit probe_existing_entries(struct pci_pbm_info *pbm,
+                                                      struct iommu *iommu)
 {
         struct iommu_arena *arena = &iommu->arena;
         unsigned long i, cnt = 0;
@@ -587,7 +587,7 @@ static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
         return cnt;
 }
 
-static int __init pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
+static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 {
         static const u32 vdma_default[] = { 0x80000000, 0x80000000 };
         struct iommu *iommu = pbm->iommu;
@@ -889,8 +889,8 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 }
 #endif /* !(CONFIG_PCI_MSI) */
 
-static int __init pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
-                                     struct of_device *op, u32 devhandle)
+static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
+                                        struct of_device *op, u32 devhandle)
 {
         struct device_node *dp = op->node;
         int err;
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index ae88f06a7ec4..e2a045c235a1 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -23,7 +23,7 @@ static irqreturn_t power_handler(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
+static int __devinit has_button_interrupt(unsigned int irq, struct device_node *dp)
 {
         if (irq == 0xffffffff)
                 return 0;
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 708e12a26b05..f7642e5a94db 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -118,9 +118,9 @@ void __cpuinit smp_callin(void)
         while (!cpu_isset(cpuid, smp_commenced_mask))
                 rmb();
 
-        ipi_call_lock();
+        ipi_call_lock_irq();
         cpu_set(cpuid, cpu_online_map);
-        ipi_call_unlock();
+        ipi_call_unlock_irq();
 
         /* idle thread is expected to have preempt disabled */
         preempt_disable();
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index e800503879e4..f5000a460c05 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -206,21 +206,12 @@ asmlinkage long compat_sys_fstatat64(unsigned int dfd, char __user *filename,
                 struct compat_stat64 __user * statbuf, int flag)
 {
         struct kstat stat;
-        int error = -EINVAL;
-
-        if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
-                goto out;
-
-        if (flag & AT_SYMLINK_NOFOLLOW)
-                error = vfs_lstat_fd(dfd, filename, &stat);
-        else
-                error = vfs_stat_fd(dfd, filename, &stat);
-
-        if (!error)
-                error = cp_compat_stat64(&stat, statbuf);
+        int error;
 
-out:
-        return error;
+        error = vfs_fstatat(dfd, filename, &stat, flag);
+        if (error)
+                return error;
+        return cp_compat_stat64(&stat, statbuf);
 }
 
 asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index dccc95df0c7f..00ec3b15f38c 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -81,4 +81,4 @@ sys_call_table:
 /*305*/ .long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index a8000b1cda74..82b5bf85b9d2 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -82,7 +82,7 @@ sys_call_table32:
         .word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
 /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
         .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv, compat_sys_pwritev
 
 #endif /* CONFIG_COMPAT */
 
@@ -156,4 +156,4 @@ sys_call_table:
         .word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
         .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index db310aa00183..5c12e79b4bdf 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -814,6 +814,11 @@ void udelay(unsigned long usecs)
 }
 EXPORT_SYMBOL(udelay);
 
+static cycle_t clocksource_tick_read(struct clocksource *cs)
+{
+        return tick_ops->get_tick();
+}
+
 void __init time_init(void)
 {
         unsigned long freq = sparc64_init_timers();
@@ -827,7 +832,7 @@ void __init time_init(void)
         clocksource_tick.mult =
                 clocksource_hz2mult(freq,
                                     clocksource_tick.shift);
-        clocksource_tick.read = tick_ops->get_tick;
+        clocksource_tick.read = clocksource_tick_read;
 
         printk("clocksource: mult[%x] shift[%d]\n",
                clocksource_tick.mult, clocksource_tick.shift);
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 76267085b13b..fcbbd000ec08 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -41,7 +41,7 @@ SECTIONS
         .text TEXTSTART :
         {
                 _text = .;
-                *(.text.head)
+                HEAD_TEXT
                 TEXT_TEXT
                 SCHED_TEXT
                 LOCK_TEXT