Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/sfc/sfe4001.c
	drivers/net/wireless/libertas/cmd.c
	drivers/staging/Kconfig
	drivers/staging/Makefile
	drivers/staging/rtl8187se/Kconfig
	drivers/staging/rtl8192e/Kconfig

30 files changed, 244 insertions, 80 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b940424f8cc..88cdeb9f72d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -37,7 +37,6 @@ config SUPERH32
         select HAVE_FTRACE_MCOUNT_RECORD
         select HAVE_DYNAMIC_FTRACE
         select HAVE_FUNCTION_TRACE_MCOUNT_TEST
-        select HAVE_FTRACE_SYSCALLS
         select HAVE_FUNCTION_GRAPH_TRACER
         select HAVE_ARCH_KGDB
         select ARCH_HIBERNATION_POSSIBLE if MMU
@@ -122,6 +121,9 @@ config SYS_SUPPORTS_APM_EMULATION
         bool
         select ARCH_SUSPEND_POSSIBLE
 
+config SYS_SUPPORTS_HUGETLBFS
+        bool
+
 config SYS_SUPPORTS_SMP
         bool
 
@@ -196,6 +198,7 @@ config CPU_SH4
         select CPU_HAS_SR_RB
         select CPU_HAS_FPU if !CPU_SH4AL_DSP
         select SYS_SUPPORTS_TMU
+        select SYS_SUPPORTS_HUGETLBFS if MMU
 
 config CPU_SH4A
         bool
@@ -210,6 +213,7 @@ config CPU_SH5
         bool
         select CPU_HAS_FPU
         select SYS_SUPPORTS_TMU
+        select SYS_SUPPORTS_HUGETLBFS if MMU
 
 config CPU_SHX2
         bool
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index fc51a918b31..66e40aabc60 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -199,7 +199,7 @@ endif
 libs-$(CONFIG_SUPERH32)         := arch/sh/lib/ $(libs-y)
 libs-$(CONFIG_SUPERH64)         := arch/sh/lib64/ $(libs-y)
 
-BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec \
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec uImage.bin \
                zImage vmlinux.srec romImage
 PHONY += maketools $(BOOT_TARGETS) FORCE
 
@@ -225,6 +225,7 @@ define archhelp
         @echo '  vmlinux.srec              - Create an ELF S-record'
         @echo '* uImage                    - Alias to bootable U-Boot image'
         @echo '  uImage.srec               - Create an S-record for U-Boot'
+        @echo '  uImage.bin                - Kernel-only image for U-Boot (bin)'
         @echo '* uImage.gz                 - Kernel-only image for U-Boot (gzip)'
         @echo '  uImage.bz2                - Kernel-only image for U-Boot (bzip2)'
         @echo '  uImage.lzma               - Kernel-only image for U-Boot (lzma)'
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index 0a37c8bfc95..99ffc5f1c0d 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -205,8 +205,6 @@ static void __init setup_port_multiplexing(void)
 
 static void __init mpr2_setup(char **cmdline_p)
 {
-        __set_io_port_base(0xa0000000);
-
         /* set Pin Select Register A:
          * /PCC_CD1, /PCC_CD2,  PCC_BVD1, PCC_BVD2,
          * /IOIS16,  IRQ4,      IRQ5,     USB1d_SUSPEND
diff --git a/arch/sh/boards/mach-dreamcast/setup.c b/arch/sh/boards/mach-dreamcast/setup.c
index ebe99227d4e..a4b7402d617 100644
--- a/arch/sh/boards/mach-dreamcast/setup.c
+++ b/arch/sh/boards/mach-dreamcast/setup.c
@@ -42,8 +42,6 @@ static void __init dreamcast_setup(char **cmdline_p)
         /* Acknowledge any previous events */
         /* XXX */
 
-        __set_io_port_base(0xa0000000);
-
         /* Assign all virtual IRQs to the System ASIC int. handler */
         for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++)
                 set_irq_chip_and_handler(i, &systemasic_int,
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 5f9881e16e2..3b1ceb46fa5 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/i2c.h>
+#include <linux/i2c/tsc2007.h>
 #include <linux/input.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
@@ -38,6 +39,20 @@
  *  0x1800_0000  MFI              16bit
  */
 
+/* SWITCH
+ *------------------------------
+ * DS2[1] = FlashROM write protect  ON     : write protect
+ *                                  OFF    : No write protect
+ * DS2[2] = RMII / TS, SCIF         ON     : RMII
+ *                                  OFF    : TS, SCIF3
+ * DS2[3] = Camera / Video          ON     : Camera
+ *                                  OFF    : NTSC/PAL (IN)
+ * DS2[5] = NTSC_OUT Clock          ON     : On board OSC
+ *                                  OFF    : SH7724 DV_CLK
+ * DS2[6-7] = MMC / SD              ON-OFF : SD
+ *                                  OFF-ON : MMC
+ */
+
 /* Heartbeat */
 static unsigned char led_pos[] = { 0, 1, 2, 3 };
 static struct heartbeat_data heartbeat_data = {
@@ -70,7 +85,7 @@ static struct mtd_partition nor_flash_partitions[] = {
                 .name = "boot loader",
                 .offset = 0,
                 .size = (5 * 1024 * 1024),
-                .mask_flags = MTD_CAP_ROM,
+                .mask_flags = MTD_WRITEABLE,  /* force read-only */
         }, {
                 .name = "free-area",
                 .offset = MTDPART_OFS_APPEND,
@@ -376,6 +391,43 @@ static struct platform_device keysc_device = {
         },
 };
 
+/* TouchScreen */
+#define IRQ0 32
+static int ts_get_pendown_state(void)
+{
+        int val = 0;
+        gpio_free(GPIO_FN_INTC_IRQ0);
+        gpio_request(GPIO_PTZ0, NULL);
+        gpio_direction_input(GPIO_PTZ0);
+
+        val = gpio_get_value(GPIO_PTZ0);
+
+        gpio_free(GPIO_PTZ0);
+        gpio_request(GPIO_FN_INTC_IRQ0, NULL);
+
+        return val ? 0 : 1;
+}
+
+static int ts_init(void)
+{
+        gpio_request(GPIO_FN_INTC_IRQ0, NULL);
+        return 0;
+}
+
+struct tsc2007_platform_data tsc2007_info = {
+        .model                  = 2007,
+        .x_plate_ohms           = 180,
+        .get_pendown_state      = ts_get_pendown_state,
+        .init_platform_hw       = ts_init,
+};
+
+static struct i2c_board_info ts_i2c_clients = {
+        I2C_BOARD_INFO("tsc2007", 0x48),
+        .type           = "tsc2007",
+        .platform_data  = &tsc2007_info,
+        .irq            = IRQ0,
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
         &heartbeat_device,
         &nor_flash_device,
@@ -460,6 +512,11 @@ static void __init sh_eth_init(void)
 #define IODRIVEA  0xA405018A
 static int __init arch_setup(void)
 {
+        /* enable STATUS0, STATUS2 and PDSTATUS */
+        gpio_request(GPIO_FN_STATUS0, NULL);
+        gpio_request(GPIO_FN_STATUS2, NULL);
+        gpio_request(GPIO_FN_PDSTATUS, NULL);
+
         /* enable SCIFA0 */
         gpio_request(GPIO_FN_SCIF0_TXD, NULL);
         gpio_request(GPIO_FN_SCIF0_RXD, NULL);
@@ -590,6 +647,10 @@ static int __init arch_setup(void)
                  */
                 gpio_request(GPIO_PTF4, NULL);
                 gpio_direction_output(GPIO_PTF4, 1);
+
+                /* enable TouchScreen */
+                i2c_register_board_info(0, &ts_i2c_clients, 1);
+                set_irq_type(IRQ0, IRQ_TYPE_LEVEL_LOW);
         }
 
         /* enable CEU0 */
diff --git a/arch/sh/boards/mach-landisk/gio.c b/arch/sh/boards/mach-landisk/gio.c
index 25cdf735800..52801318819 100644
--- a/arch/sh/boards/mach-landisk/gio.c
+++ b/arch/sh/boards/mach-landisk/gio.c
@@ -14,7 +14,6 @@
  */
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/kdev_t.h>
 #include <linux/cdev.h>
 #include <linux/fs.h>
@@ -35,7 +34,7 @@ static int gio_open(struct inode *inode, struct file *filp)
         int minor;
         int ret = -ENOENT;
 
-        lock_kernel();
+        preempt_disable();
         minor = MINOR(inode->i_rdev);
         if (minor < DEVCOUNT) {
                 if (openCnt > 0) {
@@ -45,7 +44,7 @@ static int gio_open(struct inode *inode, struct file *filp)
                         ret = 0;
                 }
         }
-        unlock_kernel();
+        preempt_enable();
         return ret;
 }
 
@@ -60,8 +59,7 @@ static int gio_close(struct inode *inode, struct file *filp)
         return 0;
 }
 
-static int gio_ioctl(struct inode *inode, struct file *filp,
-                             unsigned int cmd, unsigned long arg)
+static long gio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         unsigned int data;
         static unsigned int addr = 0;
@@ -129,7 +127,7 @@ static const struct file_operations gio_fops = {
         .owner = THIS_MODULE,
         .open = gio_open,       /* open */
         .release = gio_close,   /* release */
-        .ioctl = gio_ioctl,     /* ioctl */
+        .unlocked_ioctl = gio_ioctl,
 };
 
 static int __init gio_init(void)
diff --git a/arch/sh/boards/mach-rsk/devices-rsk7203.c b/arch/sh/boards/mach-rsk/devices-rsk7203.c
index 4af3a771c05..c37617e6322 100644
--- a/arch/sh/boards/mach-rsk/devices-rsk7203.c
+++ b/arch/sh/boards/mach-rsk/devices-rsk7203.c
@@ -11,10 +11,6 @@
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/map.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
 #include <linux/leds.h>
diff --git a/arch/sh/boards/mach-rsk/setup.c b/arch/sh/boards/mach-rsk/setup.c
index af64d030a5c..a5c0df785bf 100644
--- a/arch/sh/boards/mach-rsk/setup.c
+++ b/arch/sh/boards/mach-rsk/setup.c
@@ -15,14 +15,12 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#ifdef CONFIG_MTD
 #include <linux/mtd/map.h>
+#endif
 #include <asm/machvec.h>
 #include <asm/io.h>
 
-static const char *probes[] = { "cmdlinepart", NULL };
-
-static struct mtd_partition *parsed_partitions;
-
 static struct mtd_partition rsk_partitions[] = {
         {
                 .name           = "Bootloader",
@@ -41,6 +39,8 @@ static struct mtd_partition rsk_partitions[] = {
 };
 
 static struct physmap_flash_data flash_data = {
+        .parts          = rsk_partitions,
+        .nr_parts       = ARRAY_SIZE(rsk_partitions),
         .width          = 2,
 };
 
@@ -60,7 +60,8 @@ static struct platform_device flash_device = {
         },
 };
 
-static struct mtd_info *flash_mtd;
+#ifdef CONFIG_MTD
+static const char *probes[] = { "cmdlinepart", NULL };
 
 static struct map_info rsk_flash_map = {
         .name           = "RSK+ Flash",
@@ -68,6 +69,10 @@ static struct map_info rsk_flash_map = {
         .bankwidth      = 2,
 };
 
+static struct mtd_info *flash_mtd;
+
+static struct mtd_partition *parsed_partitions;
+
 static void __init set_mtd_partitions(void)
 {
         int nr_parts = 0;
@@ -77,14 +82,14 @@ static void __init set_mtd_partitions(void)
         nr_parts = parse_mtd_partitions(flash_mtd, probes,
                                         &parsed_partitions, 0);
         /* If there is no partition table, used the hard coded table */
-        if (nr_parts <= 0) {
-                flash_data.parts = rsk_partitions;
-                flash_data.nr_parts = ARRAY_SIZE(rsk_partitions);
-        } else {
+        if (nr_parts > 0) {
                 flash_data.nr_parts = nr_parts;
                 flash_data.parts = parsed_partitions;
         }
 }
+#else
+static inline void set_mtd_partitions(void) {}
+#endif
 
 static struct platform_device *rsk_devices[] __initdata = {
         &flash_device,
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index a1316872be6..cb8cf5572e7 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -20,11 +20,12 @@ CONFIG_BOOT_LINK_OFFSET	?= 0x00800000
 CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
 CONFIG_ENTRY_OFFSET     ?= 0x00001000
 
+suffix-y := bin
 suffix-$(CONFIG_KERNEL_GZIP)  := gz
 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
 
-targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
+targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma uImage.bin
 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
 subdir- := compressed romimage
 
@@ -88,6 +89,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
         $(call if_changed,uimage,lzma)
 
+$(obj)/uImage.bin: $(obj)/vmlinux.bin
+        $(call if_changed,uimage,none)
+
 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
         $(call if_changed,objcopy)
diff --git a/arch/sh/include/asm/rwsem.h b/arch/sh/include/asm/rwsem.h
index 1987f3ea7f1..06e2251a5e4 100644
--- a/arch/sh/include/asm/rwsem.h
+++ b/arch/sh/include/asm/rwsem.h
@@ -41,7 +41,7 @@ struct rw_semaphore {
 #endif
 
 #define __RWSEM_INITIALIZER(name) \
-        { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
+        { RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
           LIST_HEAD_INIT((name).wait_list) \
           __RWSEM_DEP_MAP_INIT(name) }
 
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index 6b5d191eec3..a351ed84eec 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -68,7 +68,7 @@ static void unmask_imask_irq(unsigned int irq)
 }
 
 static struct irq_chip imask_irq_chip = {
-        .typename       = "SR.IMASK",
+        .name           = "SR.IMASK",
         .mask           = mask_imask_irq,
         .unmask         = unmask_imask_irq,
         .mask_ack       = mask_imask_irq,
diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
index 6c092f1f555..06e7e2959b5 100644
--- a/arch/sh/kernel/cpu/irq/intc-sh5.c
+++ b/arch/sh/kernel/cpu/irq/intc-sh5.c
@@ -85,7 +85,7 @@ static void mask_and_ack_intc(unsigned int);
 static void end_intc_irq(unsigned int irq);
 
 static struct irq_chip intc_irq_type = {
-        .typename = "INTC",
+        .name = "INTC",
         .startup = startup_intc_irq,
         .shutdown = shutdown_intc_irq,
         .enable = enable_intc_irq,
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 0151933e525..bb407ef0b91 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -152,8 +152,6 @@ call_do_page_fault:
         mov.l   1f, r0
         mov.l   @r0, r6
 
-        sti
-
         mov.l   3f, r0
         mov.l   4f, r1
         mov     r15, r4
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 03b3616c80a..d76a23170db 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -20,6 +20,7 @@
 #include <linux/list.h>
 #include <linux/mempool.h>
 #include <linux/mm.h>
+#include <linux/ftrace.h>
 #include <asm/dwarf.h>
 #include <asm/unwinder.h>
 #include <asm/sections.h>
@@ -554,9 +555,30 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
          * NOTE: the return address is guaranteed to be setup by the
          * time this function makes its first function call.
          */
-        if (!pc && !prev)
+        if (!pc || !prev)
                 pc = (unsigned long)current_text_addr();
 
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+        /*
+         * If our stack has been patched by the function graph tracer
+         * then we might see the address of return_to_handler() where we
+         * expected to find the real return address.
+         */
+        if (pc == (unsigned long)&return_to_handler) {
+                int index = current->curr_ret_stack;
+
+                /*
+                 * We currently have no way of tracking how many
+                 * return_to_handler()'s we've seen. If there is more
+                 * than one patched return address on our stack,
+                 * complain loudly.
+                 */
+                WARN_ON(index > 0);
+
+                pc = current->ret_stack[index].ret;
+        }
+#endif
+
         frame = mempool_alloc(dwarf_frame_pool, GFP_ATOMIC);
         if (!frame) {
                 printk(KERN_ERR "Unable to allocate a dwarf frame\n");
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 68d9223b145..3eb84931d2a 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -121,7 +121,7 @@ noresched:
 ENTRY(resume_userspace)
         ! r8: current_thread_info
         cli
-        TRACE_IRQS_OfF
+        TRACE_IRQS_OFF
         mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
         tst     #(_TIF_WORK_MASK & 0xff), r0
         bt/s    __restore_all
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index a3dcc6d5d25..2c48e267256 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -291,31 +291,48 @@ struct syscall_metadata *syscall_nr_to_meta(int nr)
         return syscalls_metadata[nr];
 }
 
-void arch_init_ftrace_syscalls(void)
+int syscall_name_to_nr(char *name)
+{
+        int i;
+
+        if (!syscalls_metadata)
+                return -1;
+        for (i = 0; i < NR_syscalls; i++)
+                if (syscalls_metadata[i])
+                        if (!strcmp(syscalls_metadata[i]->name, name))
+                                return i;
+        return -1;
+}
+
+void set_syscall_enter_id(int num, int id)
+{
+        syscalls_metadata[num]->enter_id = id;
+}
+
+void set_syscall_exit_id(int num, int id)
+{
+        syscalls_metadata[num]->exit_id = id;
+}
+
+static int __init arch_init_ftrace_syscalls(void)
 {
         int i;
         struct syscall_metadata *meta;
         unsigned long **psys_syscall_table = &sys_call_table;
-        static atomic_t refs;
-
-        if (atomic_inc_return(&refs) != 1)
-                goto end;
 
         syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
                                         FTRACE_SYSCALL_MAX, GFP_KERNEL);
         if (!syscalls_metadata) {
                 WARN_ON(1);
-                return;
+                return -ENOMEM;
         }
 
         for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
                 meta = find_syscall_meta(psys_syscall_table[i]);
                 syscalls_metadata[i] = meta;
         }
-        return;
 
-        /* Paranoid: avoid overflow */
-end:
-        atomic_dec(&refs);
+        return 0;
 }
+arch_initcall(arch_init_ftrace_syscalls);
 #endif /* CONFIG_FTRACE_SYSCALLS */
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index 4ff50723928..b8fa6524760 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -147,6 +147,9 @@ void generic_outsl(unsigned long port, const void *src, unsigned long count)
 
 void __iomem *generic_ioport_map(unsigned long addr, unsigned int size)
 {
+        if (PXSEG(addr) >= P1SEG)
+                return (void __iomem *)addr;
+
         return (void __iomem *)(addr + generic_io_base);
 }
 
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 7cb933ba495..eac7da772fc 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/kernel_stat.h>
 #include <linux/seq_file.h>
+#include <linux/ftrace.h>
 #include <asm/processor.h>
 #include <asm/machvec.h>
 #include <asm/uaccess.h>
@@ -106,7 +107,7 @@ static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
 static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
 #endif
 
-asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
+asmlinkage __irq_entry int do_IRQ(unsigned int irq, struct pt_regs *regs)
 {
         struct pt_regs *old_regs = set_irq_regs(regs);
 #ifdef CONFIG_IRQSTACKS
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index 548f6607fd0..cbce639b108 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <asm/machvec.h>
 #include <asm/sections.h>
+#include <asm/addrspace.h>
 #include <asm/setup.h>
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -133,4 +134,6 @@ void __init sh_mv_setup(void)
 
         if (!sh_mv.mv_nr_irqs)
                 sh_mv.mv_nr_irqs = NR_IRQS;
+
+        __set_io_port_base(P2SEG);
 }
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index f9d44f8e0df..99b4fb553bf 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -549,6 +549,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
         if (cpu == 0)
                 seq_printf(m, "machine\t\t: %s\n", get_system_type());
+        else
+                seq_printf(m, "\n");
 
         seq_printf(m, "processor\t: %d\n", cpu);
         seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine);
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 8dbe26b17c4..444cce3ae92 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -84,6 +84,21 @@ DECLARE_EXPORT(__movstrSI60);
 DECLARE_EXPORT(__movstr_i4_even);
 DECLARE_EXPORT(__movstr_i4_odd);
 DECLARE_EXPORT(__movstrSI12_i4);
+DECLARE_EXPORT(__movmem);
+DECLARE_EXPORT(__movmemSI8);
+DECLARE_EXPORT(__movmemSI12);
+DECLARE_EXPORT(__movmemSI16);
+DECLARE_EXPORT(__movmemSI20);
+DECLARE_EXPORT(__movmemSI24);
+DECLARE_EXPORT(__movmemSI28);
+DECLARE_EXPORT(__movmemSI32);
+DECLARE_EXPORT(__movmemSI36);
+DECLARE_EXPORT(__movmemSI40);
+DECLARE_EXPORT(__movmemSI44);
+DECLARE_EXPORT(__movmemSI48);
+DECLARE_EXPORT(__movmemSI52);
+DECLARE_EXPORT(__movmemSI56);
+DECLARE_EXPORT(__movmemSI60);
 DECLARE_EXPORT(__movmem_i4_even);
 DECLARE_EXPORT(__movmem_i4_odd);
 DECLARE_EXPORT(__movmemSI12_i4);
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 6729703547a..3db37425210 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
 {
         struct task_struct *tsk = current;
 
-        if (!(current_cpu_data.flags & CPU_HAS_FPU))
+        if (!(boot_cpu_data.flags & CPU_HAS_FPU))
                 return 0;
 
         set_used_math();
@@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
 {
         struct task_struct *tsk = current;
 
-        if (!(current_cpu_data.flags & CPU_HAS_FPU))
+        if (!(boot_cpu_data.flags & CPU_HAS_FPU))
                 return 0;
 
         if (!used_math()) {
@@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
 #undef COPY
 
 #ifdef CONFIG_SH_FPU
-        if (current_cpu_data.flags & CPU_HAS_FPU) {
+        if (boot_cpu_data.flags & CPU_HAS_FPU) {
                 int owned_fp;
                 struct task_struct *tsk = current;
 
@@ -472,6 +472,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                 err |= __put_user(OR_R0_R0, &frame->retcode[6]);
                 err |= __put_user((__NR_rt_sigreturn), &frame->retcode[7]);
                 regs->pr = (unsigned long) frame->retcode;
+                flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode));
         }
 
         if (err)
@@ -497,8 +498,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
                  current->comm, task_pid_nr(current), frame, regs->pc, regs->pr);
 
-        flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode));
-
         return 0;
 
 give_sigsegv:
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 442d8d47a41..160db1003cf 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -35,6 +35,8 @@ static inline void __init smp_store_cpu_info(unsigned int cpu)
 {
         struct sh_cpuinfo *c = cpu_data + cpu;
 
+        memcpy(c, &boot_cpu_data, sizeof(struct sh_cpuinfo));
+
         c->loops_per_jiffy = loops_per_jiffy;
 }
 
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 69bb1652ecc..7a2ee3a6b8e 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -25,6 +25,7 @@
 #include <linux/kexec.h>
 #include <linux/limits.h>
 #include <linux/proc_fs.h>
+#include <linux/sysfs.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/fpu.h>
@@ -54,8 +55,8 @@ static unsigned long se_multi;
 /* bitfield: 1: warn 2: fixup 4: signal -> combinations 2|4 && 1|2|4 are not
    valid! */
 static int se_usermode = 3;
-/* 0: no warning 1: print a warning message */
-static int se_kernmode_warn = 1;
+/* 0: no warning 1: print a warning message, disabled by default */
+static int se_kernmode_warn;
 
 #ifdef CONFIG_PROC_FS
 static const char *se_usermode_action[] = {
@@ -159,12 +160,12 @@ void die(const char * str, struct pt_regs * regs, long err)
 
         oops_enter();
 
-        console_verbose();
         spin_lock_irq(&die_lock);
+        console_verbose();
         bust_spinlocks(1);
 
         printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
-
+        sysfs_printk_last_file();
         print_modules();
         show_regs(regs);
 
@@ -180,6 +181,7 @@ void die(const char * str, struct pt_regs * regs, long err)
         bust_spinlocks(0);
         add_taint(TAINT_DIE);
         spin_unlock_irq(&die_lock);
+        oops_exit();
 
         if (kexec_should_crash(current))
                 crash_kexec(regs);
@@ -190,7 +192,6 @@ void die(const char * str, struct pt_regs * regs, long err)
         if (panic_on_oops)
                 panic("Fatal exception");
 
-        oops_exit();
         do_exit(SIGSEGV);
 }
 
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 64dc1ad5980..7f7b52f9beb 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -227,7 +227,7 @@ endchoice
 
 choice
         prompt "HugeTLB page size"
-        depends on HUGETLB_PAGE && (CPU_SH4 || CPU_SH5) && MMU
+        depends on HUGETLB_PAGE
         default HUGETLB_PAGE_SIZE_1MB if PAGE_SIZE_64KB
         default HUGETLB_PAGE_SIZE_64K
 
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index b2453bbef4c..b7f235c74d6 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -26,7 +26,7 @@
 #define MAX_DCACHE_PAGES        64      /* XXX: Tune for ways */
 #define MAX_ICACHE_PAGES        32
 
-static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+static void __flush_cache_one(unsigned long addr, unsigned long phys,
                                unsigned long exec_offset);
 
 /*
@@ -43,7 +43,7 @@ static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
  * Called from kernel/module.c:sys_init_module and routine for a.out format,
  * signal handler code and kprobes code
  */
-static void sh4_flush_icache_range(void *args)
+static void __uses_jump_to_uncached sh4_flush_icache_range(void *args)
 {
         struct flusher_data *data = args;
         unsigned long start, end;
@@ -72,6 +72,7 @@ static void sh4_flush_icache_range(void *args)
 
         for (v = start; v < end; v += L1_CACHE_BYTES) {
                 unsigned long icacheaddr;
+                int j, n;
 
                 __ocbwb(v);
 
@@ -79,8 +80,10 @@ static void sh4_flush_icache_range(void *args)
                                 cpu_data->icache.entry_mask);
 
                 /* Clear i-cache line valid-bit */
+                n = boot_cpu_data.icache.n_aliases;
                 for (i = 0; i < cpu_data->icache.ways; i++) {
-                        __raw_writel(0, icacheaddr);
+                        for (j = 0; j < n; j++)
+                                __raw_writel(0, icacheaddr + (j * PAGE_SIZE));
                         icacheaddr += cpu_data->icache.way_incr;
                 }
         }
@@ -89,8 +92,7 @@ static void sh4_flush_icache_range(void *args)
         local_irq_restore(flags);
 }
 
-static inline void flush_cache_4096(unsigned long start,
-                                    unsigned long phys)
+static inline void flush_cache_one(unsigned long start, unsigned long phys)
 {
         unsigned long flags, exec_offset = 0;
 
@@ -103,8 +105,7 @@ static inline void flush_cache_4096(unsigned long start,
                 exec_offset = 0x20000000;
 
         local_irq_save(flags);
-        __flush_cache_4096(start | SH_CACHE_ASSOC,
-                           P1SEGADDR(phys), exec_offset);
+        __flush_cache_one(start | SH_CACHE_ASSOC, P1SEGADDR(phys), exec_offset);
         local_irq_restore(flags);
 }
 
@@ -129,8 +130,8 @@ static void sh4_flush_dcache_page(void *arg)
 
                 /* Loop all the D-cache */
                 n = boot_cpu_data.dcache.n_aliases;
-                for (i = 0; i < n; i++, addr += 4096)
-                        flush_cache_4096(addr, phys);
+                for (i = 0; i < n; i++, addr += PAGE_SIZE)
+                        flush_cache_one(addr, phys);
         }
 
         wmb();
@@ -318,11 +319,11 @@ static void sh4_flush_cache_page(void *args)
         /* We only need to flush D-cache when we have alias */
         if ((address^phys) & alias_mask) {
                 /* Loop 4K of the D-cache */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_OC_ADDRESS_ARRAY | (address & alias_mask),
                         phys);
                 /* Loop another 4K of the D-cache */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask),
                         phys);
         }
@@ -337,7 +338,7 @@ static void sh4_flush_cache_page(void *args)
                  * kernel has never executed the code through its identity
                  * translation.
                  */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_IC_ADDRESS_ARRAY | (address & alias_mask),
                         phys);
         }
@@ -393,7 +394,7 @@ static void sh4_flush_cache_range(void *args)
 }
 
 /**
- * __flush_cache_4096
+ * __flush_cache_one
  *
  * @addr:  address in memory mapped cache array
  * @phys:  P1 address to flush (has to match tags if addr has 'A' bit
@@ -406,7 +407,7 @@ static void sh4_flush_cache_range(void *args)
  * operation (purge/write-back) is selected by the lower 2 bits of
  * 'phys'.
  */
-static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+static void __flush_cache_one(unsigned long addr, unsigned long phys,
                                unsigned long exec_offset)
 {
         int way_count;
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 2cadee2037a..2601935eb58 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -78,7 +78,7 @@ static void sh7705_flush_icache_range(void *args)
 /*
  * Writeback&Invalidate the D-cache of the page
  */
-static void __flush_dcache_page(unsigned long phys)
+static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys)
 {
         unsigned long ways, waysize, addrstart;
         unsigned long flags;
@@ -144,7 +144,7 @@ static void sh7705_flush_dcache_page(void *arg)
                 __flush_dcache_page(PHYSADDR(page_address(page)));
 }
 
-static void sh7705_flush_cache_all(void *args)
+static void __uses_jump_to_uncached sh7705_flush_cache_all(void *args)
 {
         unsigned long flags;
 
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 35c37b7f717..a2dc7f9ecc5 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -128,7 +128,7 @@ void __update_cache(struct vm_area_struct *vma,
                 return;
 
         page = pfn_to_page(pfn);
-        if (pfn_valid(pfn) && page_mapping(page)) {
+        if (pfn_valid(pfn)) {
                 int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
                 if (dirty) {
                         unsigned long addr = (unsigned long)page_address(page);
@@ -265,6 +265,8 @@ static void __init emit_cache_params(void)
 
 void __init cpu_cache_init(void)
 {
+        unsigned int cache_disabled = !(__raw_readl(CCR) & CCR_CACHE_ENABLE);
+
         compute_alias(&boot_cpu_data.icache);
         compute_alias(&boot_cpu_data.dcache);
         compute_alias(&boot_cpu_data.scache);
@@ -273,6 +275,13 @@ void __init cpu_cache_init(void)
         __flush_purge_region            = noop__flush_region;
         __flush_invalidate_region       = noop__flush_region;
 
+        /*
+         * No flushing is necessary in the disabled cache case so we can
+         * just keep the noop functions in local_flush_..() and __flush_..()
+         */
+        if (unlikely(cache_disabled))
+                goto skip;
+
         if (boot_cpu_data.family == CPU_FAMILY_SH2) {
                 extern void __weak sh2_cache_init(void);
 
@@ -312,5 +321,6 @@ void __init cpu_cache_init(void)
                 sh5_cache_init();
         }
 
+skip:
         emit_cache_params();
 }
diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c
index c3250614e3a..a86eaa9d75a 100644
--- a/arch/sh/mm/ioremap_32.c
+++ b/arch/sh/mm/ioremap_32.c
@@ -83,7 +83,7 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
          *
          * PMB entries are all pre-faulted.
          */
-        if (unlikely(size >= 0x1000000)) {
+        if (unlikely(phys_addr >= P1SEG)) {
                 unsigned long mapped = pmb_remap(addr, phys_addr, size, flags);
 
                 if (likely(mapped)) {
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index b1a714a92b1..aade3110211 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -33,6 +33,8 @@
 
 #define NR_PMB_ENTRIES  16
 
+static void __pmb_unmap(struct pmb_entry *);
+
 static struct kmem_cache *pmb_cache;
 static unsigned long pmb_map;
 
@@ -218,9 +220,10 @@ static struct {
 long pmb_remap(unsigned long vaddr, unsigned long phys,
                unsigned long size, unsigned long flags)
 {
-        struct pmb_entry *pmbp;
+        struct pmb_entry *pmbp, *pmbe;
         unsigned long wanted;
         int pmb_flags, i;
+        long err;
 
         /* Convert typical pgprot value to the PMB equivalent */
         if (flags & _PAGE_CACHABLE) {
@@ -236,20 +239,22 @@ long pmb_remap(unsigned long vaddr, unsigned long phys,
 
 again:
         for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++) {
-                struct pmb_entry *pmbe;
                 int ret;
 
                 if (size < pmb_sizes[i].size)
                         continue;
 
                 pmbe = pmb_alloc(vaddr, phys, pmb_flags | pmb_sizes[i].flag);
-                if (IS_ERR(pmbe))
-                        return PTR_ERR(pmbe);
+                if (IS_ERR(pmbe)) {
+                        err = PTR_ERR(pmbe);
+                        goto out;
+                }
 
                 ret = set_pmb_entry(pmbe);
                 if (ret != 0) {
                         pmb_free(pmbe);
-                        return -EBUSY;
+                        err = -EBUSY;
+                        goto out;
                 }
 
                 phys    += pmb_sizes[i].size;
@@ -264,12 +269,25 @@ again:
                         pmbp->link = pmbe;
 
                 pmbp = pmbe;
+
+                /*
+                 * Instead of trying smaller sizes on every iteration
+                 * (even if we succeed in allocating space), try using
+                 * pmb_sizes[i].size again.
+                 */
+                i--;
         }
 
         if (size >= 0x1000000)
                 goto again;
 
         return wanted - size;
+
+out:
+        if (pmbp)
+                __pmb_unmap(pmbp);
+
+        return err;
 }
 
 void pmb_unmap(unsigned long addr)
@@ -283,12 +301,19 @@ void pmb_unmap(unsigned long addr)
         if (unlikely(!pmbe))
                 return;
 
+        __pmb_unmap(pmbe);
+}
+
+static void __pmb_unmap(struct pmb_entry *pmbe)
+{
         WARN_ON(!test_bit(pmbe->entry, &pmb_map));
 
         do {
                 struct pmb_entry *pmblink = pmbe;
 
-                clear_pmb_entry(pmbe);
+                if (pmbe->entry != PMB_NO_ENTRY)
+                        clear_pmb_entry(pmbe);
+
                 pmbe = pmblink->link;
 
                 pmb_free(pmblink);