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: (38 commits)
  ps3flash: Always read chunks of 256 KiB, and cache them
  ps3flash: Cache the last accessed FLASH chunk
  ps3: Replace direct file operations by callback
  ps3: Switch ps3_os_area_[gs]et_rtc_diff to EXPORT_SYMBOL_GPL()
  ps3: Correct debug message in dma_ioc0_map_pages()
  drivers/ps3: Add missing annotations
  ps3fb: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
  ps3flash: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
  ps3: shorten ps3_system_bus_[gs]et_driver_data to ps3_system_bus_[gs]et_drvdata
  ps3: Use dev_[gs]et_drvdata() instead of direct access for system bus devices
  block/ps3: remove driver_data direct access of struct device
  ps3vram: Make ps3vram_priv.reports a void *
  ps3vram: Remove no longer used ps3vram_priv.ddr_base
  ps3vram: Replace mutex by spinlock + bio_list
  block: Add bio_list_peek()
  powerpc: Use generic atomic64_t implementation on 32-bit processors
  lib: Provide generic atomic64_t implementation
  powerpc: Add compiler memory barrier to mtmsr macro
  powerpc/iseries: Mark signal_vsp_instruction() as maybe unused
  powerpc/iseries: Fix unused function warning in iSeries DT code
  ...

8 files changed, 117 insertions, 13 deletions

diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index b7d2d07b6f96..4012483b1899 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -470,6 +470,9 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
 
 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
+#else  /* __powerpc64__ */
+#include <asm-generic/atomic64.h>
+
 #endif /* __powerpc64__ */
 
 #include <asm-generic/atomic-long.h>
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 53512374e1c9..b7f8f4a87cc0 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -80,7 +80,7 @@ static inline void local_irq_disable(void)
         __asm__ __volatile__("wrteei 0": : :"memory");
 #else
         unsigned long msr;
-        __asm__ __volatile__("": : :"memory");
+
         msr = mfmsr();
         SET_MSR_EE(msr & ~MSR_EE);
 #endif
@@ -92,7 +92,7 @@ static inline void local_irq_enable(void)
         __asm__ __volatile__("wrteei 1": : :"memory");
 #else
         unsigned long msr;
-        __asm__ __volatile__("": : :"memory");
+
         msr = mfmsr();
         SET_MSR_EE(msr | MSR_EE);
 #endif
@@ -108,7 +108,6 @@ static inline void local_irq_save_ptr(unsigned long *flags)
 #else
         SET_MSR_EE(msr & ~MSR_EE);
 #endif
-        __asm__ __volatile__("": : :"memory");
 }
 
 #define local_save_flags(flags) ((flags) = mfmsr())
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index 7464c0daddd1..7ead7c16fb7c 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -35,6 +35,16 @@
 #define IOMMU_PAGE_MASK       (~((1 << IOMMU_PAGE_SHIFT) - 1))
 #define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE)
 
+/* Cell page table entries */
+#define CBE_IOPTE_PP_W          0x8000000000000000ul /* protection: write */
+#define CBE_IOPTE_PP_R          0x4000000000000000ul /* protection: read */
+#define CBE_IOPTE_M             0x2000000000000000ul /* coherency required */
+#define CBE_IOPTE_SO_R          0x1000000000000000ul /* ordering: writes */
+#define CBE_IOPTE_SO_RW         0x1800000000000000ul /* ordering: r & w */
+#define CBE_IOPTE_RPN_Mask      0x07fffffffffff000ul /* RPN */
+#define CBE_IOPTE_H             0x0000000000000800ul /* cache hint */
+#define CBE_IOPTE_IOID_Mask     0x00000000000007fful /* ioid */
+
 /* Boot time flags */
 extern int iommu_is_off;
 extern int iommu_force_on;
diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h
index cdb6fd814de8..7f065e178ec4 100644
--- a/arch/powerpc/include/asm/ps3.h
+++ b/arch/powerpc/include/asm/ps3.h
@@ -53,6 +53,13 @@ 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);
 
+struct ps3_os_area_flash_ops {
+        ssize_t (*read)(void *buf, size_t count, loff_t pos);
+        ssize_t (*write)(const void *buf, size_t count, loff_t pos);
+};
+
+extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
+
 /* dma routines */
 
 enum ps3_dma_page_size {
@@ -418,15 +425,15 @@ static inline struct ps3_system_bus_driver *
  * @data: Data to set
  */
 
-static inline void ps3_system_bus_set_driver_data(
+static inline void ps3_system_bus_set_drvdata(
         struct ps3_system_bus_device *dev, void *data)
 {
-        dev->core.driver_data = data;
+        dev_set_drvdata(&dev->core, data);
 }
-static inline void *ps3_system_bus_get_driver_data(
+static inline void *ps3_system_bus_get_drvdata(
         struct ps3_system_bus_device *dev)
 {
-        return dev->core.driver_data;
+        return dev_get_drvdata(&dev->core);
 }
 
 /* These two need global scope for get_dma_ops(). */
@@ -520,7 +527,4 @@ void ps3_sync_irq(int node);
 u32 ps3_get_hw_thread_id(int cpu);
 u64 ps3_get_spe_id(void *arg);
 
-/* mutex synchronizing GPU accesses and video mode changes */
-extern struct mutex ps3_gpu_mutex;
-
 #endif
diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h
new file mode 100644
index 000000000000..b2b89591907c
--- /dev/null
+++ b/arch/powerpc/include/asm/ps3gpu.h
@@ -0,0 +1,86 @@
+/*
+ *  PS3 GPU declarations.
+ *
+ *  Copyright 2009 Sony Corporation
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_POWERPC_PS3GPU_H
+#define _ASM_POWERPC_PS3GPU_H
+
+#include <linux/mutex.h>
+
+#include <asm/lv1call.h>
+
+
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
+
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE        0x603
+
+#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
+
+#define L1GPU_DISPLAY_SYNC_HSYNC                1
+#define L1GPU_DISPLAY_SYNC_VSYNC                2
+
+
+/* mutex synchronizing GPU accesses and video mode changes */
+extern struct mutex ps3_gpu_mutex;
+
+
+static inline int lv1_gpu_display_sync(u64 context_handle, u64 head,
+                                       u64 ddr_offset)
+{
+        return lv1_gpu_context_attribute(context_handle,
+                                         L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
+                                         head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_display_flip(u64 context_handle, u64 head,
+                                       u64 ddr_offset)
+{
+        return lv1_gpu_context_attribute(context_handle,
+                                         L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
+                                         head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar,
+                                   u64 xdr_size, u64 ioif_offset)
+{
+        return lv1_gpu_context_attribute(context_handle,
+                                         L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
+                                         xdr_lpar, xdr_size, ioif_offset, 0);
+}
+
+static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
+                                  u64 ioif_offset, u64 sync_width, u64 pitch)
+{
+        return lv1_gpu_context_attribute(context_handle,
+                                         L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
+                                         ddr_offset, ioif_offset, sync_width,
+                                         pitch);
+}
+
+static inline int lv1_gpu_fb_close(u64 context_handle)
+{
+        return lv1_gpu_context_attribute(context_handle,
+                                         L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
+                                         0, 0, 0);
+}
+
+#endif /* _ASM_POWERPC_PS3GPU_H */
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index fb359b0a6937..a3c28e46947c 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -745,11 +745,11 @@
                         asm volatile("mfmsr %0" : "=r" (rval)); rval;})
 #ifdef CONFIG_PPC64
 #define __mtmsrd(v, l)  asm volatile("mtmsrd %0," __stringify(l) \
-                                     : : "r" (v))
+                                     : : "r" (v) : "memory")
 #define mtmsrd(v)       __mtmsrd((v), 0)
 #define mtmsr(v)        mtmsrd(v)
 #else
-#define mtmsr(v)        asm volatile("mtmsr %0" : : "r" (v))
+#define mtmsr(v)        asm volatile("mtmsr %0" : : "r" (v) : "memory")
 #endif
 
 #define mfspr(rn)       ({unsigned long rval; \
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index a0b92de51c7e..370600ca2765 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -325,3 +325,4 @@ SYSCALL(inotify_init1)
 SYSCALL_SPU(perf_counter_open)
 COMPAT_SYS_SPU(preadv)
 COMPAT_SYS_SPU(pwritev)
+COMPAT_SYS(rt_tgsigqueueinfo)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4badac2d11d1..cef080bfc607 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -344,10 +344,11 @@
 #define __NR_perf_counter_open  319
 #define __NR_preadv             320
 #define __NR_pwritev            321
+#define __NR_rt_tgsigqueueinfo  322
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls           322
+#define __NR_syscalls           323
 
 #define __NR__exit __NR_exit
 #define NR_syscalls     __NR_syscalls