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/ps3: ps3_defconfig updates
  powerpc/mm: Respect _PAGE_COHERENT on classic ppc32 SW
  powerpc/5200: Enable CPU_FTR_NEED_COHERENT for MPC52xx
  ps3/block: Replace mtd/ps3vram by block/ps3vram

arch/powerpc/include/asm/cputable.h

@@ -241,9 +241,11 @@ extern const char *powerpc_base_platform;
 /* We need to mark all pages as being coherent if we're SMP or we have a
  * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
  * require it for PCI "streaming/prefetch" to work properly.
+ * This is also required by 52xx family.
  */
 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
-	|| defined(CONFIG_PPC_83xx) || defined(CONFIG_8260)
+	|| defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
+	|| defined(CONFIG_PPC_MPC52xx)
 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
 #else
 #define CPU_FTR_COMMON                  0

arch/powerpc/kernel/head_32.S

@@ -511,7 +511,7 @@ InstructionTLBMiss:
 	and	r1,r1,r2		/* writable if _RW and _DIRTY */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
 	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
+	ori	r1,r1,0xe04		/* clear out reserved bits */
 	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_IMISS
@@ -585,7 +585,7 @@ DataLoadTLBMiss:
 	and	r1,r1,r2		/* writable if _RW and _DIRTY */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
 	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
+	ori	r1,r1,0xe04		/* clear out reserved bits */
 	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_DMISS
@@ -653,7 +653,7 @@ DataStoreTLBMiss:
 	stw	r3,0(r2)		/* update PTE (accessed/dirty bits) */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
 	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
-	li	r1,0xe15		/* clear out reserved bits and M */
+	li	r1,0xe05		/* clear out reserved bits & PP lsb */
 	andc	r1,r3,r1		/* PP = user? 2: 0 */
 	mtspr	SPRN_RPA,r1
 	mfspr	r3,SPRN_DMISS

arch/powerpc/platforms/ps3/Kconfig

@@ -128,6 +128,13 @@ config PS3_FLASH
 	  be disabled on the kernel command line using "ps3flash=off", to
 	  not allocate this fixed buffer.
 
+config PS3_VRAM
+	tristate "PS3 Video RAM Storage Driver"
+	depends on FB_PS3=y && BLOCK && m
+	help
+	  This driver allows you to use excess PS3 video RAM as volatile
+	  storage or system swap.
+
 config PS3_LPM
 	tristate "PS3 Logical Performance Monitor support"
 	depends on PPC_PS3

drivers/block/Makefile

@@ -9,6 +9,7 @@ obj-$(CONFIG_MAC_FLOPPY)	+= swim3.o
 obj-$(CONFIG_BLK_DEV_FD)	+= floppy.o
 obj-$(CONFIG_AMIGA_FLOPPY)	+= amiflop.o
 obj-$(CONFIG_PS3_DISK)		+= ps3disk.o
+obj-$(CONFIG_PS3_VRAM)		+= ps3vram.o
 obj-$(CONFIG_ATARI_FLOPPY)	+= ataflop.o
 obj-$(CONFIG_AMIGA_Z2RAM)	+= z2ram.o
 obj-$(CONFIG_BLK_DEV_RAM)	+= brd.o