11 files changed, 39 insertions, 31 deletions

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 6aa0b5e087c..a1098e23221 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -27,16 +27,6 @@ config DEBUG_STACK_USAGE
 
 	  This option will slow down process creation somewhat.
 
-config DEBUG_PAGEALLOC
-        bool "Debug page memory allocations"
-        depends on DEBUG_KERNEL && !HIBERNATION
-	depends on ARCH_SUPPORTS_DEBUG_PAGEALLOC
-        help
-          Unmap pages from the kernel linear mapping after free_pages().
-          This results in a large slowdown, but helps to find certain types
-          of memory corruptions.
-
-
 config HCALL_STATS
 	bool "Hypervisor call instrumentation"
 	depends on PPC_PSERIES && DEBUG_FS
diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h
index 67f1812698d..cdb6fd814de 100644
--- a/arch/powerpc/include/asm/ps3.h
+++ b/arch/powerpc/include/asm/ps3.h
@@ -50,6 +50,9 @@ enum ps3_param_av_multi_out {
 
 enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
 
+extern u64 ps3_os_area_get_rtc_diff(void);
+extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
+
 /* dma routines */
 
 enum ps3_dma_page_size {
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 36864364e60..c3b193121f8 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -287,6 +287,9 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
 	rw->lock = 0;
 }
 
+#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
+#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+
 #define _raw_spin_relax(lock)	__spin_yield(lock)
 #define _raw_read_relax(lock)	__rw_yield(lock)
 #define _raw_write_relax(lock)	__rw_yield(lock)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index eac06494878..7b44a33f03c 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -598,7 +598,7 @@ void prepare_to_copy(struct task_struct *tsk)
 /*
  * Copy a thread..
  */
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
 		unsigned long unused, struct task_struct *p,
 		struct pt_regs *regs)
 {
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index c9564031a2a..926ea864e34 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -1127,3 +1127,19 @@ void div128_by_32(u64 dividend_high, u64 dividend_low,
 	dr->result_low  = ((u64)y << 32) + z;
 
 }
+
+static int __init rtc_init(void)
+{
+	struct platform_device *pdev;
+
+	if (!ppc_md.get_rtc_time)
+		return -ENODEV;
+
+	pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	return 0;
+}
+
+module_init(rtc_init);
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index d3694498f3a..819e59f6f7c 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -482,7 +482,7 @@ static void vio_cmo_balance(struct work_struct *work)
 	cmo->excess.size = cmo->entitled - cmo->reserve.size;
 	cmo->excess.free = cmo->excess.size - need;
 
-	cancel_delayed_work(container_of(work, struct delayed_work, work));
+	cancel_delayed_work(to_delayed_work(work));
 	spin_unlock_irqrestore(&vio_cmo.lock, flags);
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 64f068540d0..706eb5c7e2e 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -635,7 +635,7 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
 	if (dentry->d_inode)
 		goto out_dput;
 
-	mode &= ~current->fs->umask;
+	mode &= ~current_umask();
 
 	if (flags & SPU_CREATE_GANG)
 		ret = spufs_create_gang(nd->path.dentry->d_inode,
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index e1c83c23b43..86e392b1b04 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -808,6 +808,7 @@ u64 ps3_os_area_get_rtc_diff(void)
 {
 	return saved_params.rtc_diff;
 }
+EXPORT_SYMBOL(ps3_os_area_get_rtc_diff);
 
 /**
  * ps3_os_area_set_rtc_diff - Set the rtc diff value.
@@ -823,6 +824,7 @@ void ps3_os_area_set_rtc_diff(u64 rtc_diff)
 		os_area_queue_work();
 	}
 }
+EXPORT_SYMBOL(ps3_os_area_set_rtc_diff);
 
 /**
  * ps3_os_area_get_av_multi_out - Returns the default video mode.
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 235c13ebacd..136aa0637d9 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -64,8 +64,6 @@ int ps3_set_rtc_time(struct rtc_time *time);
 
 void __init ps3_os_area_save_params(void);
 void __init ps3_os_area_init(void);
-u64 ps3_os_area_get_rtc_diff(void);
-void ps3_os_area_set_rtc_diff(u64 rtc_diff);
 
 /* spu */
 
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 3331ccbb8d3..66181821322 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -270,8 +270,6 @@ define_machine(ps3) {
 	.init_IRQ			= ps3_init_IRQ,
 	.panic				= ps3_panic,
 	.get_boot_time			= ps3_get_boot_time,
-	.set_rtc_time			= ps3_set_rtc_time,
-	.get_rtc_time			= ps3_get_rtc_time,
 	.set_dabr			= ps3_set_dabr,
 	.calibrate_decr			= ps3_calibrate_decr,
 	.progress			= ps3_progress,
diff --git a/arch/powerpc/platforms/ps3/time.c b/arch/powerpc/platforms/ps3/time.c
index d0daf7d6d3b..b178a1e66c9 100644
--- a/arch/powerpc/platforms/ps3/time.c
+++ b/arch/powerpc/platforms/ps3/time.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/platform_device.h>
 
 #include <asm/rtc.h>
 #include <asm/lv1call.h>
@@ -74,23 +75,20 @@ static u64 read_rtc(void)
 	return rtc_val;
 }
 
-int ps3_set_rtc_time(struct rtc_time *tm)
+unsigned long __init ps3_get_boot_time(void)
 {
-	u64 now = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
-
-	ps3_os_area_set_rtc_diff(now - read_rtc());
-	return 0;
+	return read_rtc() + ps3_os_area_get_rtc_diff();
 }
 
-void ps3_get_rtc_time(struct rtc_time *tm)
+static int __init ps3_rtc_init(void)
 {
-	to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm);
-	tm->tm_year -= 1900;
-	tm->tm_mon -= 1;
-}
+	struct platform_device *pdev;
 
-unsigned long __init ps3_get_boot_time(void)
-{
-	return read_rtc() + ps3_os_area_get_rtc_diff();
+	pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	return 0;
 }
+
+module_init(ps3_rtc_init);