Merge commit 'v2.6.30-rc5' into sched/core

Merge reason: sched/core was on .30-rc1 before, update to latest fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>

27 files changed, 200 insertions, 61 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5e4babecf934..e7390dd0283d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -14,6 +14,7 @@ config SUPERH
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_IOREMAP_PROT if MMU
 	select HAVE_ARCH_TRACEHOOK
+	select HAVE_DMA_API_DEBUG
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
@@ -21,7 +22,7 @@ config SUPERH
 	  <http://www.linux-sh.org/>.
 
 config SUPERH32
-	def_bool !SUPERH64
+	def_bool ARCH = "sh"
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select HAVE_FUNCTION_TRACER
@@ -31,7 +32,7 @@ config SUPERH32
 	select ARCH_HIBERNATION_POSSIBLE if MMU
 
 config SUPERH64
-	def_bool y if CPU_SH5
+	def_bool ARCH = "sh64"
 
 config ARCH_DEFCONFIG
 	string
@@ -187,6 +188,8 @@ config ARCH_SHMOBILE
 	bool
 	select ARCH_SUSPEND_POSSIBLE
 
+if SUPERH32
+
 choice
 	prompt "Processor sub-type selection"
 
@@ -408,6 +411,15 @@ config CPU_SUBTYPE_SH7366
 	select SYS_SUPPORTS_NUMA
 	select SYS_SUPPORTS_CMT
 
+endchoice
+
+endif
+
+if SUPERH64
+
+choice
+	prompt "Processor sub-type selection"
+
 # SH-5 Processor Support
 
 config CPU_SUBTYPE_SH5_101
@@ -420,6 +432,8 @@ config CPU_SUBTYPE_SH5_103
 
 endchoice
 
+endif
+
 source "arch/sh/mm/Kconfig"
  
 source "arch/sh/Kconfig.cpu"
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 912458f666eb..39e46919df14 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -349,6 +349,7 @@ static int ov7725_power(struct device *dev, int mode)
 static struct ov772x_camera_info ov7725_info = {
 	.buswidth  = SOCAM_DATAWIDTH_8,
 	.flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
+	.edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0),
 	.link = {
 		.power  = ov7725_power,
 	},
diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c
index 8367d1d789c3..beb88c4da2c1 100644
--- a/arch/sh/boards/board-urquell.c
+++ b/arch/sh/boards/board-urquell.c
@@ -2,6 +2,8 @@
  * Renesas Technology Corp. SH7786 Urquell Support.
  *
  * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on board-sh7785lcr.c
  * Copyright (C) 2008  Yoshihiro Shimoda
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -21,6 +23,32 @@
 #include <asm/heartbeat.h>
 #include <asm/sizes.h>
 
+/*
+ * bit  1234 5678
+ *----------------------------
+ * SW1  0101 0010  -> Pck 33MHz version
+ *     (1101 0010)    Pck 66MHz version
+ * SW2  0x1x xxxx  -> little endian
+ *                    29bit mode
+ * SW47 0001 1000  -> CS0 : on-board flash
+ *                    CS1 : SRAM, registers, LAN, PCMCIA
+ *                    38400 bps for SCIF1
+ *
+ * Address
+ * 0x00000000 - 0x04000000  (CS0)     Nor Flash
+ * 0x04000000 - 0x04200000  (CS1)     SRAM
+ * 0x05000000 - 0x05800000  (CS1)     on board register
+ * 0x05800000 - 0x06000000  (CS1)     LAN91C111
+ * 0x06000000 - 0x06400000  (CS1)     PCMCIA
+ * 0x08000000 - 0x10000000  (CS2-CS3) DDR3
+ * 0x10000000 - 0x14000000  (CS4)     PCIe
+ * 0x14000000 - 0x14800000  (CS5)     Core0 LRAM/URAM
+ * 0x14800000 - 0x15000000  (CS5)     Core1 LRAM/URAM
+ * 0x18000000 - 0x1C000000  (CS6)     ATA/NAND-Flash
+ * 0x1C000000 -             (CS7)     SH7786 Control register
+ */
+
+/* HeartBeat */
 static struct resource heartbeat_resources[] = {
 	[0] = {
 		.start	= BOARDREG(SLEDR),
@@ -43,6 +71,7 @@ static struct platform_device heartbeat_device = {
 	.resource	= heartbeat_resources,
 };
 
+/* LAN91C111 */
 static struct smc91x_platdata smc91x_info = {
 	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 };
@@ -69,6 +98,7 @@ static struct platform_device smc91x_eth_device = {
 	},
 };
 
+/* Nor Flash */
 static struct mtd_partition nor_flash_partitions[] = {
 	{
 		.name		= "loader",
diff --git a/arch/sh/configs/sh7785lcr_defconfig b/arch/sh/configs/sh7785lcr_defconfig
index 8a42bbef1f50..e4fac2efc055 100644
--- a/arch/sh/configs/sh7785lcr_defconfig
+++ b/arch/sh/configs/sh7785lcr_defconfig
@@ -1,10 +1,11 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29
-# Thu Apr  2 19:15:58 2009
+# Linux kernel version: 2.6.30-rc2
+# Wed Apr 22 19:17:56 2009
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+# CONFIG_SUPERH64 is not set
 CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
@@ -79,6 +80,7 @@ CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -98,6 +100,7 @@ CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
 # CONFIG_KPROBES is not set
@@ -106,6 +109,8 @@ CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+# CONFIG_SLOW_WORK is not set
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -118,7 +123,6 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -166,6 +170,7 @@ CONFIG_CPU_SHX2=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
 # CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7724 is not set
 # CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
@@ -175,8 +180,6 @@ CONFIG_CPU_SUBTYPE_SH7785=y
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
 # CONFIG_CPU_SUBTYPE_SH7366 is not set
-# CONFIG_CPU_SUBTYPE_SH5_101 is not set
-# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
@@ -186,38 +189,31 @@ CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x08000000
-# CONFIG_29BIT is not set
-CONFIG_32BIT=y
-CONFIG_PMB_ENABLE=y
-# CONFIG_PMB is not set
-CONFIG_PMB_FIXED=y
+CONFIG_29BIT=y
+# CONFIG_PMB_ENABLE is not set
 # CONFIG_X2TLB is not set
 CONFIG_VSYSCALL=y
 # CONFIG_NUMA is not set
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
-CONFIG_MAX_ACTIVE_REGIONS=2
+CONFIG_MAX_ACTIVE_REGIONS=1
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
-CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
-CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
-# CONFIG_FLATMEM_MANUAL is not set
+CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
-CONFIG_SPARSEMEM_MANUAL=y
-CONFIG_SPARSEMEM=y
-CONFIG_HAVE_MEMORY_PRESENT=y
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-CONFIG_MIGRATION=y
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
@@ -249,6 +245,7 @@ CONFIG_CPU_HAS_FPU=y
 #
 # CONFIG_SH_HIGHLANDER is not set
 CONFIG_SH_SH7785LCR=y
+CONFIG_SH_SH7785LCR_29BIT_PHYSMAPS=y
 
 #
 # Timer and clock configuration
@@ -672,6 +669,7 @@ CONFIG_NETDEV_1000=y
 # CONFIG_E1000E is not set
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
+# CONFIG_IGBVF is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -1009,15 +1007,17 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
 CONFIG_HID_CHERRY=y
 CONFIG_HID_CHICONY=y
 CONFIG_HID_CYPRESS=y
+# CONFIG_DRAGONRISE_FF is not set
 CONFIG_HID_EZKEY=y
+# CONFIG_HID_KYE is not set
 CONFIG_HID_GYRATION=y
+# CONFIG_HID_KENSINGTON is not set
 CONFIG_HID_LOGITECH=y
 # CONFIG_LOGITECH_FF is not set
 # CONFIG_LOGIRUMBLEPAD2_FF is not set
@@ -1218,6 +1218,7 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
@@ -1240,6 +1241,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1289,6 +1295,7 @@ CONFIG_MINIX_FS=y
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
@@ -1377,6 +1384,9 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1413,6 +1423,7 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_TRACING_SUPPORT=y
 
 #
 # Tracers
@@ -1422,9 +1433,14 @@ CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 # CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
 # CONFIG_BOOT_TRACER is not set
 # CONFIG_TRACE_BRANCH_PROFILING is not set
 # CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_DMA_API_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1542,6 +1558,7 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
diff --git a/arch/sh/drivers/pci/ops-sh7785lcr.c b/arch/sh/drivers/pci/ops-sh7785lcr.c
index e8b7446a7c2b..fb0869f0bef8 100644
--- a/arch/sh/drivers/pci/ops-sh7785lcr.c
+++ b/arch/sh/drivers/pci/ops-sh7785lcr.c
@@ -48,8 +48,13 @@ EXPORT_SYMBOL(board_pci_channels);
 
 static struct sh4_pci_address_map sh7785_pci_map = {
 	.window0	= {
+#if defined(CONFIG_32BIT)
+		.base	= SH7780_32BIT_DDR_BASE_ADDR,
+		.size	= 0x40000000,
+#else
 		.base	= SH7780_CS0_BASE_ADDR,
 		.size	= 0x20000000,
+#endif
 	},
 
 	.flags	= SH4_PCIC_NO_RESET,
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
index 97b2c98f05c4..93adc7119b79 100644
--- a/arch/sh/drivers/pci/pci-sh7780.h
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -104,6 +104,8 @@
 #define SH7780_CS5_BASE_ADDR	(SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE)
 #define SH7780_CS6_BASE_ADDR	(SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE)
 
+#define SH7780_32BIT_DDR_BASE_ADDR	0x40000000
+
 struct sh4_pci_address_map;
 
 /* arch/sh/drivers/pci/pci-sh7780.c */
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index e36c7b870861..0d6ac7a1db49 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/dma-debug.h>
 #include <asm/io.h>
 
 static int __init pcibios_init(void)
@@ -43,6 +44,8 @@ static int __init pcibios_init(void)
 
 	pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq);
 
+	dma_debug_add_bus(&pci_bus_type);
+
 	return 0;
 }
 subsys_initcall(pcibios_init);
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 627315ecdb52..ea9d4f41c9d2 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -3,6 +3,7 @@
 
 #include <linux/mm.h>
 #include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
 #include <asm/cacheflush.h>
 #include <asm/io.h>
 #include <asm-generic/dma-coherent.h>
@@ -38,16 +39,26 @@ static inline dma_addr_t dma_map_single(struct device *dev,
 					void *ptr, size_t size,
 					enum dma_data_direction dir)
 {
+	dma_addr_t addr = virt_to_phys(ptr);
+
 #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
 	if (dev->bus == &pci_bus_type)
-		return virt_to_phys(ptr);
+		return addr;
 #endif
 	dma_cache_sync(dev, ptr, size, dir);
 
-	return virt_to_phys(ptr);
+	debug_dma_map_page(dev, virt_to_page(ptr),
+			   (unsigned long)ptr & ~PAGE_MASK, size,
+			   dir, addr, true);
+
+	return addr;
 }
 
-#define dma_unmap_single(dev, addr, size, dir)	do { } while (0)
+static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
+				    size_t size, enum dma_data_direction dir)
+{
+	debug_dma_unmap_page(dev, addr, size, dir, true);
+}
 
 static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
 			     int nents, enum dma_data_direction dir)
@@ -59,12 +70,19 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
 		dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
 #endif
 		sg[i].dma_address = sg_phys(&sg[i]);
+		sg[i].dma_length = sg[i].length;
 	}
 
+	debug_dma_map_sg(dev, sg, nents, i, dir);
+
 	return nents;
 }
 
-#define dma_unmap_sg(dev, sg, nents, dir)	do { } while (0)
+static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction dir)
+{
+	debug_dma_unmap_sg(dev, sg, nents, dir);
+}
 
 static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
 				      unsigned long offset, size_t size,
@@ -111,6 +129,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
 		dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
 #endif
 		sg[i].dma_address = sg_phys(&sg[i]);
+		sg[i].dma_length = sg[i].length;
 	}
 }
 
@@ -119,6 +138,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev,
 					   enum dma_data_direction dir)
 {
 	dma_sync_single(dev, dma_handle, size, dir);
+	debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir);
 }
 
 static inline void dma_sync_single_for_device(struct device *dev,
@@ -127,6 +147,7 @@ static inline void dma_sync_single_for_device(struct device *dev,
 					      enum dma_data_direction dir)
 {
 	dma_sync_single(dev, dma_handle, size, dir);
+	debug_dma_sync_single_for_device(dev, dma_handle, size, dir);
 }
 
 static inline void dma_sync_single_range_for_cpu(struct device *dev,
@@ -136,6 +157,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
 						 enum dma_data_direction direction)
 {
 	dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+	debug_dma_sync_single_range_for_cpu(dev, dma_handle,
+					    offset, size, direction);
 }
 
 static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -145,6 +168,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
 						    enum dma_data_direction direction)
 {
 	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+	debug_dma_sync_single_range_for_device(dev, dma_handle,
+					       offset, size, direction);
 }
 
 
@@ -153,6 +178,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
 				       enum dma_data_direction dir)
 {
 	dma_sync_sg(dev, sg, nelems, dir);
+	debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
 }
 
 static inline void dma_sync_sg_for_device(struct device *dev,
@@ -160,9 +186,9 @@ static inline void dma_sync_sg_for_device(struct device *dev,
 					  enum dma_data_direction dir)
 {
 	dma_sync_sg(dev, sg, nelems, dir);
+	debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
 }
 
-
 static inline int dma_get_cache_alignment(void)
 {
 	/*
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index d3f6caa936b0..68e20ff9aa9b 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -9,7 +9,7 @@
 struct pt_regs {
 	unsigned long long pc;
 	unsigned long long sr;
-	unsigned long long syscall_nr;
+	long long syscall_nr;
 	unsigned long long regs[63];
 	unsigned long long tregs[8];
 	unsigned long long pad[2];
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h
index 2084d0373693..c693d268a413 100644
--- a/arch/sh/include/asm/scatterlist.h
+++ b/arch/sh/include/asm/scatterlist.h
@@ -5,12 +5,13 @@
 
 struct scatterlist {
 #ifdef CONFIG_DEBUG_SG
-    unsigned long sg_magic;
+	unsigned long	sg_magic;
 #endif
-    unsigned long page_link;
-    unsigned int offset;/* for highmem, page offset */
-    dma_addr_t dma_address;
-    unsigned int length;
+	unsigned long	page_link;
+	unsigned int	offset;		/* for highmem, page offset */
+	unsigned int	length;
+	dma_addr_t	dma_address;
+	unsigned int	dma_length;
 };
 
 #define ISA_DMA_THRESHOLD	PHYS_ADDR_MASK
diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h
index a3f239545897..8489a0905a87 100644
--- a/arch/sh/include/asm/topology.h
+++ b/arch/sh/include/asm/topology.h
@@ -37,8 +37,11 @@
 #define pcibus_to_node(bus)	((void)(bus), -1)
 #define pcibus_to_cpumask(bus)	(pcibus_to_node(bus) == -1 ? \
 					CPU_MASK_ALL : \
-					node_to_cpumask(pcibus_to_node(bus)) \
-				)
+					node_to_cpumask(pcibus_to_node(bus)))
+#define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ? \
+					CPU_MASK_ALL_PTR : \
+					cpumask_of_node(pcibus_to_node(bus)))
+
 #endif
 
 #include <asm-generic/topology.h>
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index d52c000cf924..2efb819e2db3 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -341,8 +341,10 @@
 #define __NR_dup3		330
 #define __NR_pipe2		331
 #define __NR_inotify_init1	332
+#define __NR_preadv		333
+#define __NR_pwritev		334
 
-#define NR_syscalls 333
+#define NR_syscalls 335
 
 #ifdef __KERNEL__
 
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 7c54e91753c1..6eb9d2934c0f 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -381,10 +381,12 @@
 #define __NR_dup3		358
 #define __NR_pipe2		359
 #define __NR_inotify_init1	360
+#define __NR_preadv		361
+#define __NR_pwritev		362
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 361
+#define NR_syscalls 363
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 0e5d204bc792..406747f07dc0 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -256,7 +256,6 @@ static int __init sh7722_devices_setup(void)
 {
 	clk_always_enable("uram0"); /* URAM */
 	clk_always_enable("xymem0"); /* XYMEM */
-	clk_always_enable("rtc0"); /* RTC */
 	clk_always_enable("veu0"); /* VEU */
 	clk_always_enable("vpu0"); /* VPU */
 	clk_always_enable("jpu0"); /* JPU */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 5338dacbcfba..a800466b938c 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -267,7 +267,6 @@ static struct platform_device *sh7723_devices[] __initdata = {
 static int __init sh7723_devices_setup(void)
 {
 	clk_always_enable("meram0"); /* MERAM */
-	clk_always_enable("rtc0"); /* RTC */
 	clk_always_enable("veu1"); /* VEU2H1 */
 	clk_always_enable("veu0"); /* VEU2H0 */
 	clk_always_enable("vpu0"); /* VPU */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index 5a47e1cf442e..90e8cfff55fd 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -143,14 +143,14 @@ static void __init sh7786_usb_setup(void)
 	 * Set the PHY and PLL enable bit
 	 */
 	__raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
-	while (i-- &&
-	       ((__raw_readl(USBST) & ACT_PLL_STATUS) != ACT_PLL_STATUS))
+	while (i--) {
+		if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
+			/* Set the PHY RST bit */
+			__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
+			printk(KERN_INFO "sh7786 usb setup done\n");
+			break;
+		}
 		cpu_relax();
-
-	if (i) {
-		/* Set the PHY RST bit */
-		__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
-		printk(KERN_INFO "sh7786 usb setup done\n");
 	}
 }
 
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index e640c63d5811..7e49cb812f8b 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -10,6 +10,7 @@
  * for more details.
  */
 #include <linux/errno.h>
+#include <linux/init.h>
 #include <linux/sys.h>
 #include <cpu/registers.h>
 #include <asm/processor.h>
@@ -2058,10 +2059,10 @@ asm_uaccess_end:
 
 
 /*
- * --- .text.init Section
+ * --- .init.text Section
  */
 
-	.section	.text.init, "ax"
+	__INIT
 
 /*
  * void trap_init (void)
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S
index 788605ff7088..a78be74b8d3e 100644
--- a/arch/sh/kernel/head_32.S
+++ b/arch/sh/kernel/head_32.S
@@ -10,6 +10,7 @@
  *
  * Head.S contains the SH exception handlers and startup code.
  */
+#include <linux/init.h>
 #include <linux/linkage.h>
 #include <asm/thread_info.h>
 
@@ -40,7 +41,7 @@ ENTRY(empty_zero_page)
 1:
 	.skip	PAGE_SIZE - empty_zero_page - 1b
 
-	.section	.text.head, "ax"
+	__HEAD
 
 /*
  * Condition at the entry of _stext:
diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S
index 7ccfb995a398..3ea765844c74 100644
--- a/arch/sh/kernel/head_64.S
+++ b/arch/sh/kernel/head_64.S
@@ -8,6 +8,9 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
+
+#include <linux/init.h>
+
 #include <asm/page.h>
 #include <asm/cache.h>
 #include <asm/tlb.h>
@@ -110,7 +113,7 @@ empty_bad_pte_table:
 fpu_in_use:	.quad	0
 
 
-	.section	.text.head, "ax"
+	__HEAD
 	.balign L1_CACHE_BYTES
 /*
  * Condition at the entry of __stext:
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 58dfc02c7af1..e3a7e36639ef 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -63,6 +63,15 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags,
 	unsigned long fd, unsigned long pgoff)
 {
+	/*
+	 * The shift for mmap2 is constant, regardless of PAGE_SIZE
+	 * setting.
+	 */
+	if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
+		return -EINVAL;
+
+	pgoff >>= PAGE_SHIFT - 12;
+
 	return do_mmap2(addr, len, prot, flags, fd, pgoff);
 }
 
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index e67c1733e1b9..05202edd8e21 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -349,3 +349,5 @@ ENTRY(sys_call_table)
 	.long sys_dup3			/* 330 */
 	.long sys_pipe2
 	.long sys_inotify_init1
+	.long sys_preadv
+	.long sys_writev
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 557cb91f5caf..a083609f9284 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -387,3 +387,5 @@ sys_call_table:
 	.long sys_dup3
 	.long sys_pipe2
 	.long sys_inotify_init1		/* 360 */
+	.long sys_preadv
+	.long sys_pwritev
diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c
index c34e1e0f9b02..1700d2465f6c 100644
--- a/arch/sh/kernel/time_32.c
+++ b/arch/sh/kernel/time_32.c
@@ -208,7 +208,7 @@ unsigned long long sched_clock(void)
 	if (!clocksource_sh.rating)
 		return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ);
 
-	cycles = clocksource_sh.read();
+	cycles = clocksource_sh.read(&clocksource_sh);
 	return cyc2ns(&clocksource_sh, cycles);
 }
 #endif
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index c5d3396f5960..fe8d8930ccb6 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -81,7 +81,7 @@ static int tmu_timer_stop(void)
  */
 static int tmus_are_scaled;
 
-static cycle_t tmu_timer_read(void)
+static cycle_t tmu_timer_read(struct clocksource *cs)
 {
 	return ((cycle_t)(~_tmu_read(TMU1)))<<tmus_are_scaled;
 }
diff --git a/arch/sh/kernel/vmlinux_32.lds.S b/arch/sh/kernel/vmlinux_32.lds.S
index d0b2a715cd14..dd9b2ee1312d 100644
--- a/arch/sh/kernel/vmlinux_32.lds.S
+++ b/arch/sh/kernel/vmlinux_32.lds.S
@@ -31,7 +31,7 @@ SECTIONS
 	} = 0
 
 	.text : {
-		*(.text.head)
+		HEAD_TEXT
 		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
index 33fa46451406..69664460c688 100644
--- a/arch/sh/kernel/vmlinux_64.lds.S
+++ b/arch/sh/kernel/vmlinux_64.lds.S
@@ -42,7 +42,7 @@ SECTIONS
 	} = 0
 
 	.text : C_PHYS(.text) {
-		*(.text.head)
+		HEAD_TEXT
 		TEXT_TEXT
 		*(.text64)
 		*(.text..SHmedia32)
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index edcd5fbf9651..e098ec158ddb 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -10,11 +10,22 @@
  * for more details.
  */
 #include <linux/mm.h>
+#include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/dma-debug.h>
+#include <linux/io.h>
 #include <asm/cacheflush.h>
 #include <asm/addrspace.h>
-#include <asm/io.h>
+
+#define PREALLOC_DMA_DEBUG_ENTRIES	4096
+
+static int __init dma_init(void)
+{
+	dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
+	return 0;
+}
+fs_initcall(dma_init);
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t gfp)
@@ -45,6 +56,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 	split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
 
 	*dma_handle = virt_to_phys(ret);
+
+	debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache);
+
 	return ret_nocache;
 }
 EXPORT_SYMBOL(dma_alloc_coherent);
@@ -56,12 +70,15 @@ void dma_free_coherent(struct device *dev, size_t size,
 	unsigned long pfn = dma_handle >> PAGE_SHIFT;
 	int k;
 
-	if (!dma_release_from_coherent(dev, order, vaddr)) {
-		WARN_ON(irqs_disabled());	/* for portability */
-		for (k = 0; k < (1 << order); k++)
-			__free_pages(pfn_to_page(pfn + k), 0);
-		iounmap(vaddr);
-	}
+	WARN_ON(irqs_disabled());	/* for portability */
+
+	if (dma_release_from_coherent(dev, order, vaddr))
+		return;
+
+	debug_dma_free_coherent(dev, size, vaddr, dma_handle);
+	for (k = 0; k < (1 << order); k++)
+		__free_pages(pfn_to_page(pfn + k), 0);
+	iounmap(vaddr);
 }
 EXPORT_SYMBOL(dma_free_coherent);