187 files changed, 2468 insertions, 1645 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 233a222752c0..c2238cd474c7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -18,6 +18,8 @@ config ARM
         select HAVE_KRETPROBES if (HAVE_KPROBES)
         select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
         select HAVE_GENERIC_DMA_COHERENT
+        select HAVE_KERNEL_GZIP
+        select HAVE_KERNEL_LZO
         help
           The ARM series is a line of low-power-consumption RISC chip designs
           licensed by ARM Ltd and targeted at embedded applications and
@@ -688,6 +690,7 @@ config ARCH_DAVINCI
         select HAVE_IDE
         select COMMON_CLKDEV
         select GENERIC_ALLOCATOR
+        select ARCH_HAS_HOLES_MEMORYMODEL
         help
           Support for TI's DaVinci platform.
 
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index ce39dc540085..2d4d88ba73bf 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -63,8 +63,12 @@ endif
 
 SEDFLAGS        = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
 
-targets       := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
-                 head.o misc.o $(OBJS)
+suffix_$(CONFIG_KERNEL_GZIP) = gzip
+suffix_$(CONFIG_KERNEL_LZO)  = lzo
+
+targets       := vmlinux vmlinux.lds \
+                 piggy.$(suffix_y) piggy.$(suffix_y).o \
+                 font.o font.c head.o misc.o $(OBJS)
 
 ifeq ($(CONFIG_FUNCTION_TRACER),y)
 ORIG_CFLAGS := $(KBUILD_CFLAGS)
@@ -87,22 +91,34 @@ endif
 ifneq ($(PARAMS_PHYS),)
 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
 endif
-LDFLAGS_vmlinux += -p --no-undefined -X \
-        $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T
+# ?
+LDFLAGS_vmlinux += -p
+# Report unresolved symbol references
+LDFLAGS_vmlinux += --no-undefined
+# Delete all temporary local symbols
+LDFLAGS_vmlinux += -X
+# Next argument is a linker script
+LDFLAGS_vmlinux += -T
+
+# For __aeabi_uidivmod
+lib1funcs = $(obj)/lib1funcs.o
+
+$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
+        $(call cmd,shipped)
 
 # Don't allow any static data in misc.o, which
 # would otherwise mess up our GOT table
 CFLAGS_misc.o := -Dstatic=
 
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
-                $(addprefix $(obj)/, $(OBJS)) FORCE
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
+                $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
         $(call if_changed,ld)
         @:
 
-$(obj)/piggy.gz: $(obj)/../Image FORCE
-        $(call if_changed,gzip)
+$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
+        $(call if_changed,$(suffix_y))
 
-$(obj)/piggy.o:  $(obj)/piggy.gz FORCE
+$(obj)/piggy.$(suffix_y).o:  $(obj)/piggy.$(suffix_y) FORCE
 
 CFLAGS_font.o := -Dstatic=
 
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 17153b54613b..7e0fe4d42c7b 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -18,10 +18,15 @@
 
 unsigned int __machine_arch_type;
 
+#define _LINUX_STRING_H_
+
 #include <linux/compiler.h>     /* for inline */
 #include <linux/types.h>        /* for size_t */
 #include <linux/stddef.h>       /* for NULL */
 #include <asm/string.h>
+#include <linux/linkage.h>
+
+#include <asm/unaligned.h>
 
 #ifdef STANDALONE_DEBUG
 #define putstr printf
@@ -188,34 +193,8 @@ static inline __ptr_t memcpy(__ptr_t __dest, __const __ptr_t __src,
 /*
  * gzip delarations
  */
-#define OF(args)  args
 #define STATIC static
 
-typedef unsigned char  uch;
-typedef unsigned short ush;
-typedef unsigned long  ulg;
-
-#define WSIZE 0x8000            /* Window size must be at least 32k, */
-                                /* and a power of two */
-
-static uch *inbuf;              /* input buffer */
-static uch window[WSIZE];       /* Sliding window buffer */
-
-static unsigned insize;         /* valid bytes in inbuf */
-static unsigned inptr;          /* index of next byte to be processed in inbuf */
-static unsigned outcnt;         /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD  0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME    0x08 /* bit 3 set: original file name present */
-#define COMMENT      0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED    0x20 /* bit 5 set: file is encrypted */
-#define RESERVED     0xC0 /* bit 6,7:   reserved */
-
-#define get_byte()  (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
 /* Diagnostic functions */
 #ifdef DEBUG
 #  define Assert(cond,msg) {if(!(cond)) error(msg);}
@@ -233,24 +212,20 @@ static unsigned outcnt;		/* bytes in output buffer */
 #  define Tracecv(c,x)
 #endif
 
-static int  fill_inbuf(void);
-static void flush_window(void);
 static void error(char *m);
 
 extern char input_data[];
 extern char input_data_end[];
 
-static uch *output_data;
-static ulg output_ptr;
-static ulg bytes_out;
+static unsigned char *output_data;
+static unsigned long output_ptr;
 
 static void error(char *m);
 
 static void putstr(const char *);
 
-extern int end;
-static ulg free_mem_ptr;
-static ulg free_mem_end_ptr;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
 
 #ifdef STANDALONE_DEBUG
 #define NO_INFLATE_MALLOC
@@ -258,46 +233,13 @@ static ulg free_mem_end_ptr;
 
 #define ARCH_HAS_DECOMP_WDOG
 
-#include "../../../../lib/inflate.c"
-
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-int fill_inbuf(void)
-{
-        if (insize != 0)
-                error("ran out of input data");
-
-        inbuf = input_data;
-        insize = &input_data_end[0] - &input_data[0];
-
-        inptr = 1;
-        return inbuf[0];
-}
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
 
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-void flush_window(void)
-{
-        ulg c = crc;
-        unsigned n;
-        uch *in, *out, ch;
-
-        in = window;
-        out = &output_data[output_ptr];
-        for (n = 0; n < outcnt; n++) {
-                ch = *out++ = *in++;
-                c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
-        }
-        crc = c;
-        bytes_out += (ulg)outcnt;
-        output_ptr += (ulg)outcnt;
-        outcnt = 0;
-        putstr(".");
-}
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
 
 #ifndef arch_error
 #define arch_error(x)
@@ -314,22 +256,33 @@ static void error(char *x)
         while(1);       /* Halt */
 }
 
+asmlinkage void __div0(void)
+{
+        error("Attempting division by 0!");
+}
+
 #ifndef STANDALONE_DEBUG
 
-ulg
-decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p,
-                  int arch_id)
+unsigned long
+decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
+                unsigned long free_mem_ptr_end_p,
+                int arch_id)
 {
-        output_data             = (uch *)output_start;  /* Points to kernel start */
+        unsigned char *tmp;
+
+        output_data             = (unsigned char *)output_start;
         free_mem_ptr            = free_mem_ptr_p;
         free_mem_end_ptr        = free_mem_ptr_end_p;
         __machine_arch_type     = arch_id;
 
         arch_decomp_setup();
 
-        makecrc();
+        tmp = (unsigned char *) (((unsigned long)input_data_end) - 4);
+        output_ptr = get_unaligned_le32(tmp);
+
         putstr("Uncompressing Linux...");
-        gunzip();
+        decompress(input_data, input_data_end - input_data,
+                        NULL, NULL, output_data, NULL, error);
         putstr(" done, booting the kernel.\n");
         return output_ptr;
 }
@@ -341,11 +294,10 @@ int main()
 {
         output_data = output_buffer;
 
-        makecrc();
         putstr("Uncompressing Linux...");
-        gunzip();
+        decompress(input_data, input_data_end - input_data,
+                        NULL, NULL, output_data, NULL, error);
         putstr("done.\n");
         return 0;
 }
 #endif
-        
diff --git a/arch/arm/boot/compressed/piggy.gzip.S b/arch/arm/boot/compressed/piggy.gzip.S
new file mode 100644
index 000000000000..a68adf91a165
--- /dev/null
+++ b/arch/arm/boot/compressed/piggy.gzip.S
@@ -0,0 +1,6 @@
+        .section .piggydata,#alloc
+        .globl  input_data
+input_data:
+        .incbin "arch/arm/boot/compressed/piggy.gzip"
+        .globl  input_data_end
+input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.S b/arch/arm/boot/compressed/piggy.lzo.S
index 54c951800ebd..a425ad95959a 100644
--- a/arch/arm/boot/compressed/piggy.S
+++ b/arch/arm/boot/compressed/piggy.lzo.S
@@ -1,6 +1,6 @@
         .section .piggydata,#alloc
         .globl  input_data
 input_data:
-        .incbin "arch/arm/boot/compressed/piggy.gz"
+        .incbin "arch/arm/boot/compressed/piggy.lzo"
         .globl  input_data_end
 input_data_end:
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index a9b650dcc172..077ecf4fecda 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -236,6 +236,7 @@ static struct vpfe_subdev_info vpfe_sub_devs[] = {
 
 static struct vpfe_config vpfe_cfg = {
         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+        .i2c_adapter_id = 1,
         .sub_devs = vpfe_sub_devs,
         .card_name = "DM355 EVM",
         .ccdc = "DM355 CCDC",
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 289fe1b7d25a..b476395d2cd4 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -192,7 +192,11 @@ static struct davinci_i2c_platform_data i2c_pdata = {
         .bus_delay      = 0     /* usec */,
 };
 
-#ifdef CONFIG_KEYBOARD_DAVINCI
+static int dm365evm_keyscan_enable(struct device *dev)
+{
+        return davinci_cfg_reg(DM365_KEYSCAN);
+}
+
 static unsigned short dm365evm_keymap[] = {
         KEY_KP2,
         KEY_LEFT,
@@ -214,6 +218,7 @@ static unsigned short dm365evm_keymap[] = {
 };
 
 static struct davinci_ks_platform_data dm365evm_ks_data = {
+        .device_enable  = dm365evm_keyscan_enable,
         .keymap         = dm365evm_keymap,
         .keymapsize     = ARRAY_SIZE(dm365evm_keymap),
         .rep            = 1,
@@ -222,7 +227,6 @@ static struct davinci_ks_platform_data dm365evm_ks_data = {
         .interval       = 0x2,
         .matrix_type    = DAVINCI_KEYSCAN_MATRIX_4X4,
 };
-#endif
 
 static int cpld_mmc_get_cd(int module)
 {
@@ -511,10 +515,7 @@ static __init void dm365_evm_init(void)
 
         dm365_init_asp(&dm365_evm_snd_data);
         dm365_init_rtc();
-
-#ifdef CONFIG_KEYBOARD_DAVINCI
         dm365_init_ks(&dm365evm_ks_data);
-#endif
 }
 
 static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index fd0398bc6db3..e9612cf727b7 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -247,6 +247,7 @@ static struct vpfe_subdev_info vpfe_sub_devs[] = {
 
 static struct vpfe_config vpfe_cfg = {
         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+        .i2c_adapter_id = 1,
         .sub_devs = vpfe_sub_devs,
         .card_name = "DM6446 EVM",
         .ccdc = "DM6446 CCDC",
diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
index 52b287cf3a42..37311d1830eb 100644
--- a/arch/arm/mach-davinci/cp_intc.c
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -81,12 +81,23 @@ static int cp_intc_set_irq_type(unsigned int irq, unsigned int flow_type)
         return 0;
 }
 
+/*
+ * Faking this allows us to to work with suspend functions of
+ * generic drivers which call {enable|disable}_irq_wake for
+ * wake up interrupt sources (eg RTC on DA850).
+ */
+static int cp_intc_set_wake(unsigned int irq, unsigned int on)
+{
+        return 0;
+}
+
 static struct irq_chip cp_intc_irq_chip = {
         .name           = "cp_intc",
         .ack            = cp_intc_ack_irq,
         .mask           = cp_intc_mask_irq,
         .unmask         = cp_intc_unmask_irq,
         .set_type       = cp_intc_set_irq_type,
+        .set_wake       = cp_intc_set_wake,
 };
 
 void __init cp_intc_init(void __iomem *base, unsigned short num_irq,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index dd2d32c4ce86..a5105f03fd86 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -481,11 +481,18 @@ static struct platform_device da8xx_rtc_device = {
 
 int da8xx_register_rtc(void)
 {
+        int ret;
+
         /* Unlock the rtc's registers */
         __raw_writel(0x83e70b13, IO_ADDRESS(DA8XX_RTC_BASE + 0x6c));
         __raw_writel(0x95a4f1e0, IO_ADDRESS(DA8XX_RTC_BASE + 0x70));
 
-        return platform_device_register(&da8xx_rtc_device);
+        ret = platform_device_register(&da8xx_rtc_device);
+        if (!ret)
+                /* Atleast on DA850, RTC is a wakeup source */
+                device_init_wakeup(&da8xx_rtc_device.dev, true);
+
+        return ret;
 }
 
 static struct resource da8xx_cpuidle_resources[] = {
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 2ec619ec1657..f53735cb922e 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -993,7 +993,6 @@ void __init dm365_init_asp(struct snd_platform_data *pdata)
 
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
 {
-        davinci_cfg_reg(DM365_KEYSCAN);
         dm365_ks_device.dev.platform_data = pdata;
         platform_device_register(&dm365_ks_device);
 }
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index 8f49b2b12608..b22dec4abf78 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -24,8 +24,6 @@
 
 #include "common.h"
 
-#define ARRAY_AND_SIZE(x)       (x), ARRAY_SIZE(x)
-
 static unsigned long ttc_dkb_pin_config[] __initdata = {
         /* UART2 */
         GPIO47_UART2_RXD,
diff --git a/arch/arm/mach-mx2/mxt_td60.c b/arch/arm/mach-mx2/mxt_td60.c
index 03dbbdc98955..8bcc1a5b8829 100644
--- a/arch/arm/mach-mx2/mxt_td60.c
+++ b/arch/arm/mach-mx2/mxt_td60.c
@@ -58,21 +58,6 @@ static unsigned int mxt_td60_pins[] __initdata = {
         PE9_PF_UART3_RXD,
         PE10_PF_UART3_CTS,
         PE11_PF_UART3_RTS,
-        /* UART3 */
-        PB26_AF_UART4_RTS,
-        PB28_AF_UART4_TXD,
-        PB29_AF_UART4_CTS,
-        PB31_AF_UART4_RXD,
-        /* UART4 */
-        PB18_AF_UART5_TXD,
-        PB19_AF_UART5_RXD,
-        PB20_AF_UART5_CTS,
-        PB21_AF_UART5_RTS,
-        /* UART5 */
-        PB10_AF_UART6_TXD,
-        PB12_AF_UART6_CTS,
-        PB11_AF_UART6_RXD,
-        PB13_AF_UART6_RTS,
         /* FEC */
         PD0_AIN_FEC_TXD0,
         PD1_AIN_FEC_TXD1,
@@ -261,12 +246,6 @@ static struct imxuart_platform_data uart_pdata[] = {
                 .flags = IMXUART_HAVE_RTSCTS,
         }, {
                 .flags = IMXUART_HAVE_RTSCTS,
-        }, {
-                .flags = IMXUART_HAVE_RTSCTS,
-        }, {
-                .flags = IMXUART_HAVE_RTSCTS,
-        }, {
-                .flags = IMXUART_HAVE_RTSCTS,
         },
 };
 
@@ -278,9 +257,6 @@ static void __init mxt_td60_board_init(void)
         mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
         mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
         mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
-        mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
-        mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
-        mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
         mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
 
         i2c_register_board_info(0, mxt_td60_i2c_devices,
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index ef26951a5275..6e838b857712 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -173,6 +173,7 @@ DEFINE_CLOCK(pwm4_clk,	 0, CCM_CGCR2,  2, get_rate_ipg, NULL);
 DEFINE_CLOCK(kpp_clk,    0, CCM_CGCR1, 28, get_rate_ipg, NULL);
 DEFINE_CLOCK(tsc_clk,    0, CCM_CGCR2, 13, get_rate_ipg, NULL);
 DEFINE_CLOCK(i2c_clk,    0, CCM_CGCR0,  6, get_rate_i2c, NULL);
+DEFINE_CLOCK(fec_clk,    0, CCM_CGCR0, 23, get_rate_ipg, NULL);
 
 #define _REGISTER_CLOCK(d, n, c)        \
         {                               \
@@ -204,6 +205,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
+        _REGISTER_CLOCK("fec.0", NULL, fec_clk)
 };
 
 int __init mx25_clocks_init(unsigned long fref)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 63511de3a559..9fdeea1c083b 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -419,3 +419,22 @@ int __init mxc_register_gpios(void)
         return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
 }
 
+static struct resource mx25_fec_resources[] = {
+        {
+                .start  = MX25_FEC_BASE_ADDR,
+                .end    = MX25_FEC_BASE_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = MX25_INT_FEC,
+                .end    = MX25_INT_FEC,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mx25_fec_device = {
+        .name   = "fec",
+        .id     = 0,
+        .num_resources  = ARRAY_SIZE(mx25_fec_resources),
+        .resource       = mx25_fec_resources,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index fe6bf88ad1dd..fe5420fcd11f 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -17,3 +17,4 @@ extern struct platform_device mxc_keypad_device;
 extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
+extern struct platform_device mx25_fec_device;
diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mx25pdk.c
index d23ae571c03f..921bc99ea231 100644
--- a/arch/arm/mach-mx25/mx25pdk.c
+++ b/arch/arm/mach-mx25/mx25pdk.c
@@ -18,10 +18,11 @@
 
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
-#include <linux/smsc911x.h>
+#include <linux/fec.h>
 #include <linux/platform_device.h>
 
 #include <mach/hardware.h>
@@ -35,16 +36,57 @@
 #include <mach/mx25.h>
 #include <mach/mxc_nand.h>
 #include "devices.h"
-#include <mach/iomux-v3.h>
+#include <mach/iomux.h>
 
 static struct imxuart_platform_data uart_pdata = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static struct pad_desc mx25pdk_pads[] = {
+        MX25_PAD_FEC_MDC__FEC_MDC,
+        MX25_PAD_FEC_MDIO__FEC_MDIO,
+        MX25_PAD_FEC_TDATA0__FEC_TDATA0,
+        MX25_PAD_FEC_TDATA1__FEC_TDATA1,
+        MX25_PAD_FEC_TX_EN__FEC_TX_EN,
+        MX25_PAD_FEC_RDATA0__FEC_RDATA0,
+        MX25_PAD_FEC_RDATA1__FEC_RDATA1,
+        MX25_PAD_FEC_RX_DV__FEC_RX_DV,
+        MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
+        MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
+        MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
+};
+
+static struct fec_platform_data mx25_fec_pdata = {
+        .phy    = PHY_INTERFACE_MODE_RMII,
+};
+
+#define FEC_ENABLE_GPIO         35
+#define FEC_RESET_B_GPIO        104
+
+static void __init mx25pdk_fec_reset(void)
+{
+        gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
+        gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
+
+        gpio_direction_output(FEC_ENABLE_GPIO, 0);  /* drop PHY power */
+        gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
+        udelay(2);
+
+        /* turn on PHY power and lift reset */
+        gpio_set_value(FEC_ENABLE_GPIO, 1);
+        gpio_set_value(FEC_RESET_B_GPIO, 1);
+}
+
 static void __init mx25pdk_init(void)
 {
+        mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
+                        ARRAY_SIZE(mx25pdk_pads));
+
         mxc_register_device(&mxc_uart_device0, &uart_pdata);
         mxc_register_device(&mxc_usbh2, NULL);
+
+        mx25pdk_fec_reset();
+        mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
 }
 
 static void __init mx25pdk_timer_init(void)
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index ea8ed109a7c2..28294416b0af 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -49,6 +49,7 @@ config MACH_PCM037_EET
 config MACH_MX31LITE
         bool "Support MX31 LITEKIT (LogicPD)"
         select ARCH_MX31
+        select MXC_ULPI if USB_ULPI
         help
           Include support for MX31 LITEKIT platform. This includes specific
           configurations for the board and its peripherals.
@@ -63,7 +64,7 @@ config MACH_MX31_3DS
 config MACH_MX31MOBOARD
         bool "Support mx31moboard platforms (EPFL Mobots group)"
         select ARCH_MX31
-        select MXC_ULPI
+        select MXC_ULPI if USB_ULPI
         help
           Include support for mx31moboard platform. This includes specific
           configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c
index bedf5b8d976a..6858a4f9806c 100644
--- a/arch/arm/mach-mx3/mm.c
+++ b/arch/arm/mach-mx3/mm.c
@@ -65,6 +65,11 @@ static struct map_desc mxc_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(AIPS2_BASE_ADDR),
                 .length         = AIPS2_SIZE,
                 .type           = MT_DEVICE_NONSHARED
+        }, {
+                .virtual = SPBA0_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
+                .length = SPBA0_SIZE,
+                .type = MT_DEVICE_NONSHARED
         },
 };
 
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index 0497c152be18..3e7bafa2ddbb 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -494,11 +494,6 @@ static void mxc_init_i2c(void)
  */
 static struct map_desc mx31ads_io_desc[] __initdata = {
         {
-                .virtual        = SPBA0_BASE_ADDR_VIRT,
-                .pfn            = __phys_to_pfn(SPBA0_BASE_ADDR),
-                .length         = SPBA0_SIZE,
-                .type           = MT_DEVICE_NONSHARED
-        }, {
                 .virtual        = CS4_BASE_ADDR_VIRT,
                 .pfn            = __phys_to_pfn(CS4_BASE_ADDR),
                 .length         = CS4_SIZE / 2,
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index def6b6736594..789b20d1730f 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -135,6 +135,7 @@ static struct spi_board_info mc13783_spi_dev __initdata = {
  * USB
  */
 
+#if defined(CONFIG_USB_ULPI)
 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
                         PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 
@@ -180,6 +181,7 @@ static struct mxc_usbh_platform_data usbh2_pdata = {
         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
         .flags  = MXC_EHCI_POWER_PINS_ENABLED,
 };
+#endif
 
 /*
  * NOR flash
@@ -212,11 +214,6 @@ static struct platform_device physmap_flash_device = {
  */
 static struct map_desc mx31lite_io_desc[] __initdata = {
         {
-                .virtual = SPBA0_BASE_ADDR_VIRT,
-                .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
-                .length = SPBA0_SIZE,
-                .type = MT_DEVICE_NONSHARED
-        }, {
                 .virtual = CS4_BASE_ADDR_VIRT,
                 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
                 .length = CS4_SIZE,
@@ -261,11 +258,13 @@ static void __init mxc_board_init(void)
         mxc_register_device(&mxc_spi_device1, &spi1_pdata);
         spi_register_board_info(&mc13783_spi_dev, 1);
 
+#if defined(CONFIG_USB_ULPI)
         /* USB */
         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 
         mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
 
         /* SMSC9117 IRQ pin */
         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 8fc624f141cb..438428eaf769 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -179,7 +179,7 @@ static int __init devboard_usbh1_init(void)
 
         usbh1_pdata.otg = otg;
 
-        return mxc_register_device(&mx31_usbh1, &usbh1_pdata);
+        return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
 }
 
 /*
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index 85184a35e674..1f44b9ccbb0f 100644
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -294,7 +294,7 @@ static int __init marxbot_usbh1_init(void)
 
         usbh1_pdata.otg = otg;
 
-        return mxc_register_device(&mx31_usbh1, &usbh1_pdata);
+        return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
 }
 
 /*
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index b70529145936..cfd605d078ec 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -346,6 +346,8 @@ static struct fsl_usb2_platform_data usb_pdata = {
         .phy_mode       = FSL_USB2_PHY_ULPI,
 };
 
+#if defined(CONFIG_USB_ULPI)
+
 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
 
 static int moboard_usbh2_hw_init(struct platform_device *pdev)
@@ -392,8 +394,11 @@ static int __init moboard_usbh2_init(void)
         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
                         USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 
-        return mxc_register_device(&mx31_usbh2, &usbh2_pdata);
+        return mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 }
+#else
+static inline int moboard_usbh2_init(void) { return 0; }
+#endif
 
 
 static struct gpio_led mx31moboard_leds[] = {
diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c
index 0f7a2f06bc2d..18715f1aa7eb 100644
--- a/arch/arm/mach-mx3/mx31pdk.c
+++ b/arch/arm/mach-mx3/mx31pdk.c
@@ -211,11 +211,6 @@ static int __init mx31pdk_init_expio(void)
  */
 static struct map_desc mx31pdk_io_desc[] __initdata = {
         {
-                .virtual = SPBA0_BASE_ADDR_VIRT,
-                .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
-                .length = SPBA0_SIZE,
-                .type = MT_DEVICE_NONSHARED,
-        }, {
                 .virtual = CS5_BASE_ADDR_VIRT,
                 .pfn = __phys_to_pfn(CS5_BASE_ADDR),
                 .length = CS5_SIZE,
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 6cbaabedf386..5be396917c99 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -322,16 +322,25 @@ static int pcm037_camera_power(struct device *dev, int on)
         return 0;
 }
 
-static struct i2c_board_info pcm037_i2c_2_devices[] = {
+static struct i2c_board_info pcm037_i2c_camera[] = {
         {
                 I2C_BOARD_INFO("mt9t031", 0x5d),
+        }, {
+                I2C_BOARD_INFO("mt9v022", 0x48),
         },
 };
 
-static struct soc_camera_link iclink = {
+static struct soc_camera_link iclink_mt9v022 = {
+        .bus_id         = 0,            /* Must match with the camera ID */
+        .board_info     = &pcm037_i2c_camera[1],
+        .i2c_adapter_id = 2,
+        .module_name    = "mt9v022",
+};
+
+static struct soc_camera_link iclink_mt9t031 = {
         .bus_id         = 0,            /* Must match with the camera ID */
         .power          = pcm037_camera_power,
-        .board_info     = &pcm037_i2c_2_devices[0],
+        .board_info     = &pcm037_i2c_camera[0],
         .i2c_adapter_id = 2,
         .module_name    = "mt9t031",
 };
@@ -345,11 +354,19 @@ static struct i2c_board_info pcm037_i2c_devices[] = {
         }
 };
 
-static struct platform_device pcm037_camera = {
+static struct platform_device pcm037_mt9t031 = {
         .name   = "soc-camera-pdrv",
         .id     = 0,
         .dev    = {
-                .platform_data = &iclink,
+                .platform_data = &iclink_mt9t031,
+        },
+};
+
+static struct platform_device pcm037_mt9v022 = {
+        .name   = "soc-camera-pdrv",
+        .id     = 1,
+        .dev    = {
+                .platform_data = &iclink_mt9v022,
         },
 };
 
@@ -449,7 +466,8 @@ static int __init pcm037_camera_alloc_dma(const size_t buf_size)
 static struct platform_device *devices[] __initdata = {
         &pcm037_flash,
         &pcm037_sram_device,
-        &pcm037_camera,
+        &pcm037_mt9t031,
+        &pcm037_mt9v022,
 };
 
 static struct ipu_platform_data mx3_ipu_data = {
@@ -599,7 +617,7 @@ static void __init mxc_board_init(void)
         if (!ret)
                 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
         else
-                iclink.power = NULL;
+                iclink_mt9t031.power = NULL;
 
         if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
                 mxc_register_device(&mx3_camera, &camera_pdata);
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index ab995a9c606c..65e7b5b85d83 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -599,7 +599,7 @@ static struct clk i2c_ick = {
 static struct omap_clk omap_clks[] = {
         /* non-ULPD clocks */
         CLK(NULL,       "ck_ref",       &ck_ref,        CK_16XX | CK_1510 | CK_310 | CK_7XX),
-        CLK(NULL,       "ck_dpll1",     &ck_dpll1,      CK_16XX | CK_1510 | CK_310),
+        CLK(NULL,       "ck_dpll1",     &ck_dpll1,      CK_16XX | CK_1510 | CK_310 | CK_7XX),
         /* CK_GEN1 clocks */
         CLK(NULL,       "ck_dpll1out",  &ck_dpll1out.clk, CK_16XX),
         CLK(NULL,       "ck_sossi",     &sossi_ck,      CK_16XX),
@@ -627,7 +627,7 @@ static struct omap_clk omap_clks[] = {
         CLK(NULL,       "tc2_ck",       &tc2_ck,        CK_16XX),
         CLK(NULL,       "dma_ck",       &dma_ck,        CK_16XX | CK_1510 | CK_310),
         CLK(NULL,       "dma_lcdfree_ck", &dma_lcdfree_ck, CK_16XX),
-        CLK(NULL,       "api_ck",       &api_ck.clk,    CK_16XX | CK_1510 | CK_310),
+        CLK(NULL,       "api_ck",       &api_ck.clk,    CK_16XX | CK_1510 | CK_310 | CK_7XX),
         CLK(NULL,       "lb_ck",        &lb_ck.clk,     CK_1510 | CK_310),
         CLK(NULL,       "rhea1_ck",     &rhea1_ck,      CK_16XX),
         CLK(NULL,       "rhea2_ck",     &rhea2_ck,      CK_16XX),
@@ -658,6 +658,10 @@ static struct omap_clk omap_clks[] = {
         CLK("i2c_omap.1", "fck",        &i2c_fck,       CK_16XX | CK_1510 | CK_310 | CK_7XX),
         CLK("i2c_omap.1", "ick",        &i2c_ick,       CK_16XX),
         CLK("i2c_omap.1", "ick",        &dummy_ck,      CK_1510 | CK_310 | CK_7XX),
+        CLK("omap1_spi100k.1", "fck",   &dummy_ck,      CK_7XX),
+        CLK("omap1_spi100k.1", "ick",   &dummy_ck,      CK_7XX),
+        CLK("omap1_spi100k.2", "fck",   &dummy_ck,      CK_7XX),
+        CLK("omap1_spi100k.2", "ick",   &dummy_ck,      CK_7XX),
         CLK("omap_uwire", "fck",        &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
         CLK("omap-mcbsp.1", "ick",      &dspper_ck,     CK_16XX),
         CLK("omap-mcbsp.1", "ick",      &dummy_ck,      CK_1510 | CK_310),
@@ -674,7 +678,7 @@ static struct omap_clk omap_clks[] = {
  * init
  */
 
-static struct clk_functions omap1_clk_functions __initdata = {
+static struct clk_functions omap1_clk_functions = {
         .clk_enable             = omap1_clk_enable,
         .clk_disable            = omap1_clk_disable,
         .clk_round_rate         = omap1_clk_round_rate,
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 23ded2d49600..a2d07aa75c9e 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -14,6 +14,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/spi/spi.h>
 
 #include <mach/hardware.h>
 #include <asm/mach/map.h>
@@ -23,6 +24,7 @@
 #include <plat/mux.h>
 #include <mach/gpio.h>
 #include <plat/mmc.h>
+#include <plat/omap7xx.h>
 
 /*-------------------------------------------------------------------------*/
 
@@ -196,6 +198,38 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 
 /*-------------------------------------------------------------------------*/
 
+/* OMAP7xx SPI support */
+#if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE)
+
+struct platform_device omap_spi1 = {
+        .name           = "omap1_spi100k",
+        .id             = 1,
+};
+
+struct platform_device omap_spi2 = {
+        .name           = "omap1_spi100k",
+        .id             = 2,
+};
+
+static void omap_init_spi100k(void)
+{
+        omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
+        if (omap_spi1.dev.platform_data)
+                platform_device_register(&omap_spi1);
+
+        omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
+        if (omap_spi2.dev.platform_data)
+                platform_device_register(&omap_spi2);
+}
+
+#else
+static inline void omap_init_spi100k(void)
+{
+}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
 #if defined(CONFIG_OMAP_STI)
 
 #define OMAP1_STI_BASE          0xfffea000
@@ -263,6 +297,7 @@ static int __init omap1_init_devices(void)
 
         omap_init_mbox();
         omap_init_rtc();
+        omap_init_spi100k();
         omap_init_sti();
 
         return 0;
diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c
index 07212cc621ae..84341377232d 100644
--- a/arch/arm/mach-omap1/mux.c
+++ b/arch/arm/mach-omap1/mux.c
@@ -62,6 +62,14 @@ MUX_CFG_7XX("MMC_7XX_DAT0",        2,   17,    0,   16,   1, 0)
 /* I2C interface */
 MUX_CFG_7XX("I2C_7XX_SCL",         5,    1,    0,    0,   1, 0)
 MUX_CFG_7XX("I2C_7XX_SDA",         5,    5,    0,    0,   1, 0)
+
+/* SPI pins */
+MUX_CFG_7XX("SPI_7XX_1",           6,    5,    4,    4,   1, 0)
+MUX_CFG_7XX("SPI_7XX_2",           6,    9,    4,    8,   1, 0)
+MUX_CFG_7XX("SPI_7XX_3",           6,   13,    4,   12,   1, 0)
+MUX_CFG_7XX("SPI_7XX_4",           6,   17,    4,   16,   1, 0)
+MUX_CFG_7XX("SPI_7XX_5",           8,   25,    0,   24,   0, 0)
+MUX_CFG_7XX("SPI_7XX_6",           9,    5,    0,    4,   0, 0)
 };
 #define OMAP7XX_PINS_SZ         ARRAY_SIZE(omap7xx_pins)
 #else
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 10eafa70a909..606bf04f51b6 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -80,6 +80,7 @@ config MACH_OVERO
 config MACH_OMAP3EVM
         bool "OMAP 3530 EVM board"
         depends on ARCH_OMAP3 && ARCH_OMAP34XX
+        select OMAP_PACKAGE_CBB
 
 config MACH_OMAP3517EVM
         bool "OMAP3517/ AM3517 EVM board"
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 8dd277c36661..1e3dfb652acc 100755
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -63,21 +63,21 @@ static int board_keymap[] = {
         KEY(5, 1, KEY_H),
         KEY(5, 2, KEY_J),
         KEY(5, 3, KEY_F3),
+        KEY(5, 4, KEY_UNKNOWN),
         KEY(5, 5, KEY_VOLUMEDOWN),
         KEY(5, 6, KEY_M),
-        KEY(5, 7, KEY_ENTER),
+        KEY(5, 7, KEY_RIGHT),
         KEY(6, 0, KEY_Q),
         KEY(6, 1, KEY_A),
         KEY(6, 2, KEY_N),
         KEY(6, 3, KEY_BACKSPACE),
         KEY(6, 6, KEY_P),
-        KEY(6, 7, KEY_SELECT),
+        KEY(6, 7, KEY_UP),
         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
-        KEY(7, 5, KEY_RIGHT),
-        KEY(7, 6, KEY_UP),
+        KEY(7, 6, KEY_SELECT),
         KEY(7, 7, KEY_DOWN)
 };
 
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c
index d0e3fb7f9298..5420356eb407 100644
--- a/arch/arm/mach-omap2/clock2xxx.c
+++ b/arch/arm/mach-omap2/clock2xxx.c
@@ -449,40 +449,78 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
 #ifdef CONFIG_CPU_FREQ
 /*
  * Walk PRCM rate table and fillout cpufreq freq_table
+ * XXX This should be replaced by an OPP layer in the near future
  */
-static struct cpufreq_frequency_table freq_table[ARRAY_SIZE(rate_table)];
+static struct cpufreq_frequency_table *freq_table;
 
 void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
 {
-        struct prcm_config *prcm;
+        const struct prcm_config *prcm;
+        long sys_ck_rate;
         int i = 0;
+        int tbl_sz = 0;
+
+        sys_ck_rate = clk_get_rate(sclk);
 
         for (prcm = rate_table; prcm->mpu_speed; prcm++) {
                 if (!(prcm->flags & cpu_mask))
                         continue;
-                if (prcm->xtal_speed != sys_ck.rate)
+                if (prcm->xtal_speed != sys_ck_rate)
                         continue;
 
                 /* don't put bypass rates in table */
                 if (prcm->dpll_speed == prcm->xtal_speed)
                         continue;
 
-                freq_table[i].index = i;
-                freq_table[i].frequency = prcm->mpu_speed / 1000;
-                i++;
+                tbl_sz++;
         }
 
-        if (i == 0) {
-                printk(KERN_WARNING "%s: failed to initialize frequency "
-                       "table\n", __func__);
+        /*
+         * XXX Ensure that we're doing what CPUFreq expects for this error
+         * case and the following one
+         */
+        if (tbl_sz == 0) {
+                pr_warning("%s: no matching entries in rate_table\n",
+                           __func__);
+                return;
+        }
+
+        /* Include the CPUFREQ_TABLE_END terminator entry */
+        tbl_sz++;
+
+        freq_table = kzalloc(sizeof(struct cpufreq_frequency_table) * tbl_sz,
+                             GFP_ATOMIC);
+        if (!freq_table) {
+                pr_err("%s: could not kzalloc frequency table\n", __func__);
                 return;
         }
 
+        for (prcm = rate_table; prcm->mpu_speed; prcm++) {
+                if (!(prcm->flags & cpu_mask))
+                        continue;
+                if (prcm->xtal_speed != sys_ck_rate)
+                        continue;
+
+                /* don't put bypass rates in table */
+                if (prcm->dpll_speed == prcm->xtal_speed)
+                        continue;
+
+                freq_table[i].index = i;
+                freq_table[i].frequency = prcm->mpu_speed / 1000;
+                i++;
+        }
+
         freq_table[i].index = i;
         freq_table[i].frequency = CPUFREQ_TABLE_END;
 
         *table = &freq_table[0];
 }
+
+void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+        kfree(freq_table);
+}
+
 #endif
 
 struct clk_functions omap2_clk_functions = {
@@ -494,6 +532,7 @@ struct clk_functions omap2_clk_functions = {
         .clk_disable_unused     = omap2_clk_disable_unused,
 #ifdef  CONFIG_CPU_FREQ
         .clk_init_cpufreq_table = omap2_clk_init_cpufreq_table,
+        .clk_exit_cpufreq_table = omap2_clk_exit_cpufreq_table,
 #endif
 };
 
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index ded32364f32b..d4217b93e10b 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -34,7 +34,6 @@
 #include <asm/div64.h>
 #include <asm/clkdev.h>
 
-#include <plat/sdrc.h>
 #include "clock.h"
 #include "clock34xx.h"
 #include "sdrc.h"
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c
index 8bdcc9cc7f9a..c6031d74d6f6 100644
--- a/arch/arm/mach-omap2/clock34xx_data.c
+++ b/arch/arm/mach-omap2/clock34xx_data.c
@@ -776,6 +776,8 @@ static struct clk dpll4_m5_ck = {
         .clksel_mask    = OMAP3430_CLKSEL_CAM_MASK,
         .clksel         = div16_dpll4_clksel,
         .clkdm_name     = "dpll4_clkdm",
+        .set_rate       = &omap2_clksel_set_rate,
+        .round_rate     = &omap2_clksel_round_rate,
         .recalc         = &omap2_clksel_recalc,
 };
 
@@ -1500,6 +1502,7 @@ static struct clk uart2_fck = {
         .parent         = &core_48m_fck,
         .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
         .enable_bit     = OMAP3430_EN_UART2_SHIFT,
+        .clkdm_name     = "core_l4_clkdm",
         .recalc         = &followparent_recalc,
 };
 
@@ -1509,6 +1512,7 @@ static struct clk uart1_fck = {
         .parent         = &core_48m_fck,
         .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
         .enable_bit     = OMAP3430_EN_UART1_SHIFT,
+        .clkdm_name     = "core_l4_clkdm",
         .recalc         = &followparent_recalc,
 };
 
@@ -2745,7 +2749,7 @@ static struct clk mcbsp4_ick = {
 };
 
 static const struct clksel mcbsp_234_clksel[] = {
-        { .parent = &core_96m_fck, .rates = common_mcbsp_96m_rates },
+        { .parent = &per_96m_fck,  .rates = common_mcbsp_96m_rates },
         { .parent = &mcbsp_clks,   .rates = common_mcbsp_mcbsp_rates },
         { .parent = NULL }
 };
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 1a45ed1e8ba1..dd285f001467 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -559,7 +559,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
          * downstream clocks for debugging purposes?
          */
 
-        if (!clkdm || !clk)
+        if (!clkdm || !clk || !clkdm->clktrctrl_mask)
                 return -EINVAL;
 
         if (atomic_inc_return(&clkdm->usecount) > 1)
@@ -610,7 +610,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
          * downstream clocks for debugging purposes?
          */
 
-        if (!clkdm || !clk)
+        if (!clkdm || !clk || !clkdm->clktrctrl_mask)
                 return -EINVAL;
 
 #ifdef DEBUG
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a8749e8017b9..5a7996402c53 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -33,7 +33,6 @@
 #include <plat/sdrc.h>
 #include <plat/gpmc.h>
 #include <plat/serial.h>
-#include <plat/mux.h>
 #include <plat/vram.h>
 
 #include "clock.h"
@@ -73,21 +72,21 @@ static struct map_desc omap24xx_io_desc[] __initdata = {
 #ifdef CONFIG_ARCH_OMAP2420
 static struct map_desc omap242x_io_desc[] __initdata = {
         {
-                .virtual        = DSP_MEM_24XX_VIRT,
-                .pfn            = __phys_to_pfn(DSP_MEM_24XX_PHYS),
-                .length         = DSP_MEM_24XX_SIZE,
+                .virtual        = DSP_MEM_2420_VIRT,
+                .pfn            = __phys_to_pfn(DSP_MEM_2420_PHYS),
+                .length         = DSP_MEM_2420_SIZE,
                 .type           = MT_DEVICE
         },
         {
-                .virtual        = DSP_IPI_24XX_VIRT,
-                .pfn            = __phys_to_pfn(DSP_IPI_24XX_PHYS),
-                .length         = DSP_IPI_24XX_SIZE,
+                .virtual        = DSP_IPI_2420_VIRT,
+                .pfn            = __phys_to_pfn(DSP_IPI_2420_PHYS),
+                .length         = DSP_IPI_2420_SIZE,
                 .type           = MT_DEVICE
         },
         {
-                .virtual        = DSP_MMU_24XX_VIRT,
-                .pfn            = __phys_to_pfn(DSP_MMU_24XX_PHYS),
-                .length         = DSP_MMU_24XX_SIZE,
+                .virtual        = DSP_MMU_2420_VIRT,
+                .pfn            = __phys_to_pfn(DSP_MMU_2420_PHYS),
+                .length         = DSP_MMU_2420_SIZE,
                 .type           = MT_DEVICE
         },
 };
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index e071b3fd1878..459ef23ab8a8 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -994,8 +994,10 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
         }
 
 #ifdef CONFIG_OMAP_MUX
-        omap_mux_package_fixup(package_subset, superset);
-        omap_mux_package_init_balls(package_balls, superset);
+        if (package_subset)
+                omap_mux_package_fixup(package_subset, superset);
+        if (package_balls)
+                omap_mux_package_init_balls(package_balls, superset);
         omap_mux_set_cmdline_signals();
         omap_mux_set_board_signals(board_mux);
 #endif
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c
index 126a9396b3a8..e6dda694fd5c 100644
--- a/arch/arm/mach-omap2/opp2420_data.c
+++ b/arch/arm/mach-omap2/opp2420_data.c
@@ -9,45 +9,47 @@
  * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
  * These configurations are characterized by voltage and speed for clocks.
  * The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
  * respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
- *
- * 2430 differs from 2420 in that there are no more phase synchronizers used.
- * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
- * 2430 (iva2.1, NOdsp, mdm)
+ * setting. All configurations can be described by a DPLL setting and a ratio.
  *
  * XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets (needed for N800/N810)
  *
  * THe format described in this file is deprecated.  Once a reasonable
  * OPP API exists, the data in this file should be converted to use it.
  *
  * This is technically part of the OMAP2xxx clock code.
+ *
+ * Considerable work is still needed to fully support dynamic frequency
+ * changes on OMAP2xxx-series chips.  Readers interested in such a
+ * project are encouraged to review the Maemo Diablo RX-34 and RX-44
+ * kernel source at:
+ *     http://repository.maemo.org/pool/diablo/free/k/kernel-source-diablo/
  */
 
 #include "opp2xxx.h"
 #include "sdrc.h"
 #include "clock.h"
 
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
  * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
  * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
  * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
  *
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on H4 boards available.  There are quite a
+ * few more rate combinations which could be defined.
  *
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used.    Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set.    The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used.  Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set.  The exception is the bypass
+ * setting which is available for low power bypass.
  *
  * Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ **/
 const struct prcm_config omap2420_rate_table[] = {
         /* PRCM I - FAST */
         {S12M, S660M, S330M, RI_CM_CLKSEL_MPU_VAL,              /* 330MHz ARM */
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index edb81672c844..1b9596ae201e 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -1,5 +1,5 @@
 /*
- * opp2420_data.c - old-style "OPP" table for OMAP2420
+ * opp2430_data.c - old-style "OPP" table for OMAP2430
  *
  * Copyright (C) 2005-2009 Texas Instruments, Inc.
  * Copyright (C) 2004-2009 Nokia Corporation
@@ -9,16 +9,16 @@
  * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
  * These configurations are characterized by voltage and speed for clocks.
  * The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
  * respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
+ * setting. All configurations can be described by a DPLL setting and a ratio.
  *
  * 2430 differs from 2420 in that there are no more phase synchronizers used.
  * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
  * 2430 (iva2.1, NOdsp, mdm)
  *
  * XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets.
  *
  * THe format described in this file is deprecated.  Once a reasonable
  * OPP API exists, the data in this file should be converted to use it.
@@ -30,24 +30,24 @@
 #include "sdrc.h"
 #include "clock.h"
 
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
  * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
  * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
  * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
  *
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on 2430-SDPs variants available.  There are
+ * quite a few more rate combinations which could be defined.
  *
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used.    Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set.    The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used.  Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set.  The exception is the bypass
+ * setting which is available for low power bypass.
  *
  * Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ */
 const struct prcm_config omap2430_rate_table[] = {
         /* PRCM #4 - ratio2 (ES2.1) - FAST */
         {S13M, S798M, S399M, R2_CM_CLKSEL_MPU_VAL,              /* 399MHz ARM */
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 81ed252a0f8a..c6cc809afb79 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -124,8 +124,8 @@ static void omap3_core_save_context(void)
         control_padconf_off |= START_PADCONF_SAVE;
         omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF);
         /* wait for the save to complete */
-        while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
-                        & PADCONF_SAVE_DONE)
+        while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
+                        & PADCONF_SAVE_DONE))
                 ;
         /* Save the Interrupt controller context */
         omap_intc_save_context();
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 19805a7de06c..8c964bec8159 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -125,6 +125,13 @@ static struct plat_serial8250_port serial_platform_data3[] = {
         }
 };
 #endif
+static inline unsigned int __serial_read_reg(struct uart_port *up,
+                                           int offset)
+{
+        offset <<= up->regshift;
+        return (unsigned int)__raw_readb(up->membase + offset);
+}
+
 static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
                                            int offset)
 {
@@ -583,11 +590,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset)
 {
         if (UART_RX == offset) {
                 unsigned int lsr;
-                lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR);
+                lsr = __serial_read_reg(up, UART_LSR);
                 if (!(lsr & UART_LSR_DR))
                         return -EPERM;
         }
-        return serial_read_reg(omap_uart[up->line].p, offset);
+
+        return __serial_read_reg(up, offset);
 }
 
 void __init omap_serial_early_init(void)
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 8a0837ea0294..dee92182749b 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -37,6 +37,8 @@ config MACH_ZYLONITE320
 config MACH_LITTLETON
         bool "PXA3xx Form Factor Platform (aka Littleton)"
         select PXA3xx
+        select CPU_PXA300
+        select CPU_PXA310
         select PXA_SSP
 
 config MACH_TAVOREVB
diff --git a/arch/arm/mach-pxa/include/mach/zylonite.h b/arch/arm/mach-pxa/include/mach/zylonite.h
index bf6785adccf4..9edf645368d6 100644
--- a/arch/arm/mach-pxa/include/mach/zylonite.h
+++ b/arch/arm/mach-pxa/include/mach/zylonite.h
@@ -8,13 +8,6 @@
 /* the following variables are processor specific and initialized
  * by the corresponding zylonite_pxa3xx_init()
  */
-struct platform_mmc_slot {
-        int gpio_cd;
-        int gpio_wp;
-};
-
-extern struct platform_mmc_slot zylonite_mmc_slot[];
-
 extern int gpio_eth_irq;
 extern int gpio_debug_led1;
 extern int gpio_debug_led2;
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index f28c1715b910..fa527b258d61 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -110,6 +110,12 @@ static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
         GPIO7_MMC1_CLK,
         GPIO8_MMC1_CMD,
         GPIO15_GPIO, /* card detect */
+
+        /* UART3 */
+        GPIO107_UART3_CTS,
+        GPIO108_UART3_RTS,
+        GPIO109_UART3_TXD,
+        GPIO110_UART3_RXD,
 };
 
 static struct resource smc91x_resources[] = {
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index e5eeb3a62d01..c2b938a4d5c9 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -293,7 +293,7 @@ static struct pxamci_platform_data poodle_mci_platform_data = {
         .init                   = poodle_mci_init,
         .setpower               = poodle_mci_setpower,
         .exit                   = poodle_mci_exit,
-        .gpio_card_detect       = POODLE_IRQ_GPIO_nSD_DETECT,
+        .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
         .gpio_power             = -1,
 };
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 5b986a8bd9e6..75f2a37f945d 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -25,6 +25,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
+#include <linux/apm-emulation.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -626,8 +627,27 @@ static void zeus_power_off(void)
         pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP);
 }
 
-int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio,
-                      unsigned ngpio, void *context)
+#ifdef CONFIG_APM_EMULATION
+static void zeus_get_power_status(struct apm_power_info *info)
+{
+        /* Power supply is always present */
+        info->ac_line_status    = APM_AC_ONLINE;
+        info->battery_status    = APM_BATTERY_STATUS_NOT_PRESENT;
+        info->battery_flag      = APM_BATTERY_FLAG_NOT_PRESENT;
+}
+
+static inline void zeus_setup_apm(void)
+{
+        apm_get_power_status = zeus_get_power_status;
+}
+#else
+static inline void zeus_setup_apm(void)
+{
+}
+#endif
+
+static int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio,
+                             unsigned ngpio, void *context)
 {
         int i;
         u8 pcb_info = 0;
@@ -726,9 +746,18 @@ static mfp_cfg_t zeus_pin_config[] __initdata = {
         GPIO99_GPIO,            /* CF RDY */
 };
 
+/*
+ * DM9k MSCx settings:  SRAM, 16 bits
+ *                      17 cycles delay first access
+ *                       5 cycles delay next access
+ *                      13 cycles recovery time
+ *                      faster device
+ */
+#define DM9K_MSC_VALUE          0xe4c9
+
 static void __init zeus_init(void)
 {
-        u16 dm9000_msc = 0xe279;
+        u16 dm9000_msc = DM9K_MSC_VALUE;
 
         system_rev = __raw_readw(ZEUS_CPLD_VERSION);
         pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f));
@@ -738,6 +767,7 @@ static void __init zeus_init(void)
         MSC1 = (MSC1 & 0xffff0000) | dm9000_msc;
 
         pm_power_off = zeus_power_off;
+        zeus_setup_apm();
 
         pxa2xx_mfp_config(ARRAY_AND_SIZE(zeus_pin_config));
 
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index b66e9e2d06e7..2b4043c04d0c 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -36,9 +36,6 @@
 #include "devices.h"
 #include "generic.h"
 
-#define MAX_SLOTS       3
-struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
-
 int gpio_eth_irq;
 int gpio_debug_led1;
 int gpio_debug_led2;
@@ -220,84 +217,28 @@ static inline void zylonite_init_lcd(void) {}
 #endif
 
 #if defined(CONFIG_MMC)
-static int zylonite_mci_ro(struct device *dev)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-
-        return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
-}
-
-static int zylonite_mci_init(struct device *dev,
-                             irq_handler_t zylonite_detect_int,
-                             void *data)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        int err, cd_irq, gpio_cd, gpio_wp;
-
-        cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
-        gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
-        gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
-
-        /*
-         * setup GPIO for Zylonite MMC controller
-         */
-        err = gpio_request(gpio_cd, "mmc card detect");
-        if (err)
-                goto err_request_cd;
-        gpio_direction_input(gpio_cd);
-
-        err = gpio_request(gpio_wp, "mmc write protect");
-        if (err)
-                goto err_request_wp;
-        gpio_direction_input(gpio_wp);
-
-        err = request_irq(cd_irq, zylonite_detect_int,
-                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-                          "MMC card detect", data);
-        if (err) {
-                printk(KERN_ERR "%s: MMC/SD/SDIO: "
-                                "can't request card detect IRQ\n", __func__);
-                goto err_request_irq;
-        }
-
-        return 0;
-
-err_request_irq:
-        gpio_free(gpio_wp);
-err_request_wp:
-        gpio_free(gpio_cd);
-err_request_cd:
-        return err;
-}
-
-static void zylonite_mci_exit(struct device *dev, void *data)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        int cd_irq, gpio_cd, gpio_wp;
-
-        cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
-        gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
-        gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
-
-        free_irq(cd_irq, data);
-        gpio_free(gpio_cd);
-        gpio_free(gpio_wp);
-}
-
 static struct pxamci_platform_data zylonite_mci_platform_data = {
         .detect_delay   = 20,
         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
-        .init           = zylonite_mci_init,
-        .exit           = zylonite_mci_exit,
-        .get_ro         = zylonite_mci_ro,
-        .gpio_card_detect = -1,
-        .gpio_card_ro   = -1,
+        .gpio_card_detect = EXT_GPIO(0),
+        .gpio_card_ro   = EXT_GPIO(2),
         .gpio_power     = -1,
 };
 
 static struct pxamci_platform_data zylonite_mci2_platform_data = {
         .detect_delay   = 20,
         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .gpio_card_detect = EXT_GPIO(1),
+        .gpio_card_ro   = EXT_GPIO(3),
+        .gpio_power     = -1,
+};
+
+static struct pxamci_platform_data zylonite_mci3_platform_data = {
+        .detect_delay   = 20,
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .gpio_card_detect = EXT_GPIO(30),
+        .gpio_card_ro   = EXT_GPIO(31),
+        .gpio_power     = -1,
 };
 
 static void __init zylonite_init_mmc(void)
@@ -305,7 +246,7 @@ static void __init zylonite_init_mmc(void)
         pxa_set_mci_info(&zylonite_mci_platform_data);
         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
         if (cpu_is_pxa310())
-                pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
+                pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
 }
 #else
 static inline void zylonite_init_mmc(void) {}
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
index 84095440a878..3aa73b3e33f2 100644
--- a/arch/arm/mach-pxa/zylonite_pxa300.c
+++ b/arch/arm/mach-pxa/zylonite_pxa300.c
@@ -129,8 +129,8 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
         GPIO22_I2C_SDA,
 
         /* GPIO */
-        GPIO18_GPIO,    /* GPIO Expander #0 INT_N */
-        GPIO19_GPIO,    /* GPIO Expander #1 INT_N */
+        GPIO18_GPIO | MFP_PULL_HIGH,    /* GPIO Expander #0 INT_N */
+        GPIO19_GPIO | MFP_PULL_HIGH,    /* GPIO Expander #1 INT_N */
 };
 
 static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
@@ -258,10 +258,6 @@ void __init zylonite_pxa300_init(void)
                 /* detect LCD panel */
                 zylonite_detect_lcd_panel();
 
-                /* MMC card detect & write protect for controller 0 */
-                zylonite_mmc_slot[0].gpio_cd  = EXT_GPIO(0);
-                zylonite_mmc_slot[0].gpio_wp  = EXT_GPIO(2);
-
                 /* WM9713 IRQ */
                 wm9713_irq = mfp_to_gpio(MFP_PIN_GPIO26);
 
@@ -276,10 +272,6 @@ void __init zylonite_pxa300_init(void)
         if (cpu_is_pxa310()) {
                 pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg));
                 gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102);
-
-                /* MMC card detect & write protect for controller 2 */
-                zylonite_mmc_slot[2].gpio_cd = EXT_GPIO(30);
-                zylonite_mmc_slot[2].gpio_wp = EXT_GPIO(31);
         }
 
         /* GPIOs for Debug LEDs */
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
index 60d08f23f5e4..9942bac4cf7d 100644
--- a/arch/arm/mach-pxa/zylonite_pxa320.c
+++ b/arch/arm/mach-pxa/zylonite_pxa320.c
@@ -209,10 +209,6 @@ void __init zylonite_pxa320_init(void)
                 gpio_debug_led1 = mfp_to_gpio(MFP_PIN_GPIO1_2);
                 gpio_debug_led2 = mfp_to_gpio(MFP_PIN_GPIO4_2);
 
-                /* MMC card detect & write protect for controller 0 */
-                zylonite_mmc_slot[0].gpio_cd  = mfp_to_gpio(MFP_PIN_GPIO1);
-                zylonite_mmc_slot[0].gpio_wp  = mfp_to_gpio(MFP_PIN_GPIO5);
-
                 /* WM9713 IRQ */
                 wm9713_irq = mfp_to_gpio(MFP_PIN_GPIO15);
         }
diff --git a/arch/arm/mach-s3c2410/include/mach/ts.h b/arch/arm/mach-s3c2410/include/mach/ts.h
new file mode 100644
index 000000000000..dc361700d695
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/ts.h
@@ -0,0 +1,21 @@
+/* linux/include/asm/arch-s3c2410/ts.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARM_TS_H
+#define __ASM_ARM_TS_H
+
+struct s3c2410_ts_mach_info {
+       int             delay;
+       int             presc;
+       int             oversampling_shift;
+};
+
+extern void s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *);
+
+#endif /* __ASM_ARM_TS_H */
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 4c79ac8a6c33..97162fdd0590 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -279,6 +279,7 @@ static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
                 .name           = "SmartMedia",
                 .nr_chips       = 1,
                 .nr_map         = smartmedia_map,
+                .options        = NAND_SCAN_SILENT_NODEV,
                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
                 .partitions     = bast_default_nand_part,
         },
@@ -293,6 +294,7 @@ static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
                 .name           = "chip1",
                 .nr_chips       = 1,
                 .nr_map         = chip1_map,
+                .options        = NAND_SCAN_SILENT_NODEV,
                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
                 .partitions     = bast_default_nand_part,
         },
@@ -300,6 +302,7 @@ static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
                 .name           = "chip2",
                 .nr_chips       = 1,
                 .nr_map         = chip2_map,
+                .options        = NAND_SCAN_SILENT_NODEV,
                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
                 .partitions     = bast_default_nand_part,
         }
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 49053254c98d..1e34abe1a19e 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -46,6 +46,7 @@
 #include <mach/h1940.h>
 #include <mach/h1940-latch.h>
 #include <mach/fb.h>
+#include <mach/ts.h>
 #include <plat/udc.h>
 #include <plat/iic.h>
 
@@ -140,6 +141,11 @@ static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
         .vbus_pin_inverted      = 1,
 };
 
+static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
+                .delay = 10000,
+                .presc = 49,
+                .oversampling_shift = 2,
+};
 
 /**
  * Set lcd on or off
@@ -265,6 +271,7 @@ static struct platform_device h1940_lcd_powerdev = {
 };
 
 static struct platform_device *h1940_devices[] __initdata = {
+        &s3c_device_ts,
         &s3c_device_usb,
         &s3c_device_lcd,
         &s3c_device_wdt,
@@ -305,6 +312,7 @@ static void __init h1940_init(void)
 
         s3c24xx_fb_set_platdata(&h1940_fb_info);
         s3c24xx_udc_set_platdata(&h1940_udc_cfg);
+        s3c24xx_ts_set_platdata(&h1940_ts_cfg);
         s3c_i2c0_set_platdata(NULL);
 
         s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 015dfb2a80da..f35371db33f5 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -208,6 +208,7 @@ static struct s3c2410_nand_set __initdata osiris_nand_sets[] = {
                 .name           = "External",
                 .nr_chips       = 1,
                 .nr_map         = external_map,
+                .options        = NAND_SCAN_SILENT_NODEV,
                 .nr_partitions  = ARRAY_SIZE(osiris_default_nand_part),
                 .partitions     = osiris_default_nand_part,
         },
@@ -222,6 +223,7 @@ static struct s3c2410_nand_set __initdata osiris_nand_sets[] = {
                 .name           = "chip1",
                 .nr_chips       = 1,
                 .nr_map         = chip1_map,
+                .options        = NAND_SCAN_SILENT_NODEV,
                 .nr_partitions  = ARRAY_SIZE(osiris_default_nand_part),
                 .partitions     = osiris_default_nand_part,
         },
diff --git a/arch/arm/mach-w90x900/include/mach/system.h b/arch/arm/mach-w90x900/include/mach/system.h
index 940640066857..ce228bdc66dd 100644
--- a/arch/arm/mach-w90x900/include/mach/system.h
+++ b/arch/arm/mach-w90x900/include/mach/system.h
@@ -15,7 +15,15 @@
  *
  */
 
+#include <linux/io.h>
 #include <asm/proc-fns.h>
+#include <mach/map.h>
+#include <mach/regs-timer.h>
+
+#define WTCR    (TMR_BA + 0x1C)
+#define WTCLK   (1 << 10)
+#define WTE     (1 << 7)
+#define WTRE    (1 << 1)
 
 static void arch_idle(void)
 {
@@ -23,6 +31,11 @@ static void arch_idle(void)
 
 static void arch_reset(char mode, const char *cmd)
 {
-        cpu_reset(0);
+        if (mode == 's') {
+                /* Jump into ROM at address 0 */
+                cpu_reset(0);
+        } else {
+                __raw_writel(WTE | WTRE | WTCLK, WTCR);
+        }
 }
 
diff --git a/arch/arm/mach-w90x900/time.c b/arch/arm/mach-w90x900/time.c
index 4128af870b41..b80f769bc135 100644
--- a/arch/arm/mach-w90x900/time.c
+++ b/arch/arm/mach-w90x900/time.c
@@ -42,7 +42,10 @@
 #define TICKS_PER_SEC   100
 #define PRESCALE        0x63 /* Divider = prescale + 1 */
 
-unsigned int timer0_load;
+#define TDR_SHIFT       24
+#define TDR_MASK        ((1 << TDR_SHIFT) - 1)
+
+static unsigned int timer0_load;
 
 static void nuc900_clockevent_setmode(enum clock_event_mode mode,
                 struct clock_event_device *clk)
@@ -88,7 +91,7 @@ static int nuc900_clockevent_setnextevent(unsigned long evt,
 static struct clock_event_device nuc900_clockevent_device = {
         .name           = "nuc900-timer0",
         .shift          = 32,
-        .features       = CLOCK_EVT_MODE_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+        .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
         .set_mode       = nuc900_clockevent_setmode,
         .set_next_event = nuc900_clockevent_setnextevent,
         .rating         = 300,
@@ -112,8 +115,23 @@ static struct irqaction nuc900_timer0_irq = {
         .handler        = nuc900_timer0_interrupt,
 };
 
-static void __init nuc900_clockevents_init(unsigned int rate)
+static void __init nuc900_clockevents_init(void)
 {
+        unsigned int rate;
+        struct clk *clk = clk_get(NULL, "timer0");
+
+        BUG_ON(IS_ERR(clk));
+
+        __raw_writel(0x00, REG_TCSR0);
+
+        clk_enable(clk);
+        rate = clk_get_rate(clk) / (PRESCALE + 1);
+
+        timer0_load = (rate / TICKS_PER_SEC);
+
+        __raw_writel(RESETINT, REG_TISR);
+        setup_irq(IRQ_TIMER0, &nuc900_timer0_irq);
+
         nuc900_clockevent_device.mult = div_sc(rate, NSEC_PER_SEC,
                                         nuc900_clockevent_device.shift);
         nuc900_clockevent_device.max_delta_ns = clockevent_delta2ns(0xffffffff,
@@ -127,26 +145,35 @@ static void __init nuc900_clockevents_init(unsigned int rate)
 
 static cycle_t nuc900_get_cycles(struct clocksource *cs)
 {
-        return ~__raw_readl(REG_TDR1);
+        return (~__raw_readl(REG_TDR1)) & TDR_MASK;
 }
 
 static struct clocksource clocksource_nuc900 = {
         .name   = "nuc900-timer1",
         .rating = 200,
         .read   = nuc900_get_cycles,
-        .mask   = CLOCKSOURCE_MASK(32),
-        .shift  = 20,
+        .mask   = CLOCKSOURCE_MASK(TDR_SHIFT),
+        .shift  = 10,
         .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-static void __init nuc900_clocksource_init(unsigned int rate)
+static void __init nuc900_clocksource_init(void)
 {
         unsigned int val;
+        unsigned int rate;
+        struct clk *clk = clk_get(NULL, "timer1");
+
+        BUG_ON(IS_ERR(clk));
+
+        __raw_writel(0x00, REG_TCSR1);
+
+        clk_enable(clk);
+        rate = clk_get_rate(clk) / (PRESCALE + 1);
 
         __raw_writel(0xffffffff, REG_TICR1);
 
         val = __raw_readl(REG_TCSR1);
-        val |= (COUNTEN | PERIOD);
+        val |= (COUNTEN | PERIOD | PRESCALE);
         __raw_writel(val, REG_TCSR1);
 
         clocksource_nuc900.mult =
@@ -156,25 +183,8 @@ static void __init nuc900_clocksource_init(unsigned int rate)
 
 static void __init nuc900_timer_init(void)
 {
-        struct clk *ck_ext = clk_get(NULL, "ext");
-        unsigned int    rate;
-
-        BUG_ON(IS_ERR(ck_ext));
-
-        rate = clk_get_rate(ck_ext);
-        clk_put(ck_ext);
-        rate = rate / (PRESCALE + 0x01);
-
-         /* set a known state */
-        __raw_writel(0x00, REG_TCSR0);
-        __raw_writel(0x00, REG_TCSR1);
-        __raw_writel(RESETINT, REG_TISR);
-        timer0_load = (rate / TICKS_PER_SEC);
-
-        setup_irq(IRQ_TIMER0, &nuc900_timer0_irq);
-
-        nuc900_clocksource_init(rate);
-        nuc900_clockevents_init(rate);
+        nuc900_clocksource_init();
+        nuc900_clockevents_init();
 }
 
 struct sys_timer nuc900_timer = {
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 52c40d155672..a04ffbbbe253 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -616,7 +616,7 @@ void __init mem_init(void)
                 "%dK data, %dK init, %luK highmem)\n",
                 nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10,
                 datasize >> 10, initsize >> 10,
-                (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+                totalhigh_pages << (PAGE_SHIFT-10));
 
         if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
                 extern int sysctl_overcommit_memory;
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index a26a605b73bd..0cb1848bd876 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -40,7 +40,6 @@ ENTRY(v7wbi_flush_user_tlb_range)
         asid    r3, r3                          @ mask ASID
         orr     r0, r3, r0, lsl #PAGE_SHIFT     @ Create initial MVA
         mov     r1, r1, lsl #PAGE_SHIFT
-        vma_vm_flags r2, r2                     @ get vma->vm_flags
 1:
 #ifdef CONFIG_SMP
         mcr     p15, 0, r0, c8, c3, 1           @ TLB invalidate U MVA (shareable) 
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
index 810c47f56e77..9af494f0ab3d 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
@@ -58,19 +58,19 @@
 
 #define MX25_PAD_A18__A18               IOMUX_PAD(0x23c, 0x020, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A18__GPIO_2_4          IOMUX_PAD(0x23c, 0x020, 0x15, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A18__FEC_COL           IOMUX_PAD(0x23c, 0x020, 0x17, 0x504, 0, NO_PAD_CTL)
+#define MX25_PAD_A18__FEC_COL           IOMUX_PAD(0x23c, 0x020, 0x17, 0x504, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_A19__A19               IOMUX_PAD(0x240, 0x024, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A19__FEC_RX_ER         IOMUX_PAD(0x240, 0x024, 0x17, 0x518, 0, NO_PAD_CTL)
+#define MX25_PAD_A19__FEC_RX_ER         IOMUX_PAD(0x240, 0x024, 0x17, 0x518, 0, NO_PAD_CTRL)
 #define MX25_PAD_A19__GPIO_2_5          IOMUX_PAD(0x240, 0x024, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_A20__A20               IOMUX_PAD(0x244, 0x028, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A20__GPIO_2_6          IOMUX_PAD(0x244, 0x028, 0x15, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A20__FEC_RDATA2        IOMUX_PAD(0x244, 0x028, 0x17, 0x50c, 0, NO_PAD_CTL)
+#define MX25_PAD_A20__FEC_RDATA2        IOMUX_PAD(0x244, 0x028, 0x17, 0x50c, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_A21__A21               IOMUX_PAD(0x248, 0x02c, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A21__GPIO_2_7          IOMUX_PAD(0x248, 0x02c, 0x15, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A21__FEC_RDATA3        IOMUX_PAD(0x248, 0x02c, 0x17, 0x510, 0, NO_PAD_CTL)
+#define MX25_PAD_A21__FEC_RDATA3        IOMUX_PAD(0x248, 0x02c, 0x17, 0x510, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_A22__A22               IOMUX_PAD(0x000, 0x030, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A22__GPIO_2_8          IOMUX_PAD(0x000, 0x030, 0x15, 0, 0, NO_PAD_CTRL)
@@ -80,11 +80,11 @@
 
 #define MX25_PAD_A24__A24               IOMUX_PAD(0x250, 0x038, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A24__GPIO_2_10         IOMUX_PAD(0x250, 0x038, 0x15, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A24__FEC_RX_CLK        IOMUX_PAD(0x250, 0x038, 0x17, 0x514, 0, NO_PAD_CTL)
+#define MX25_PAD_A24__FEC_RX_CLK        IOMUX_PAD(0x250, 0x038, 0x17, 0x514, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_A25__A25               IOMUX_PAD(0x254, 0x03c, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_A25__GPIO_2_11         IOMUX_PAD(0x254, 0x03c, 0x15, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_A25__FEC_CRS           IOMUX_PAD(0x254, 0x03c, 0x17, 0x508, 0, NO_PAD_CTL)
+#define MX25_PAD_A25__FEC_CRS           IOMUX_PAD(0x254, 0x03c, 0x17, 0x508, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_EB0__EB0               IOMUX_PAD(0x258, 0x040, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_EB0__AUD4_TXD          IOMUX_PAD(0x258, 0x040, 0x14, 0x464, 0, NO_PAD_CTRL)
@@ -112,7 +112,7 @@
 #define MX25_PAD_CS5__UART5_RTS         IOMUX_PAD(0x268, 0x058, 0x13, 0x574, 0, NO_PAD_CTRL)
 #define MX25_PAD_CS5__GPIO_3_21         IOMUX_PAD(0x268, 0x058, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_NF_CE0__NF_CE0         IOMUX_PAD(0x26c, 0x05c, 0x10, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_NF_CE0__NF_CE0         IOMUX_PAD(0x26c, 0x05c, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_NF_CE0__GPIO_3_22      IOMUX_PAD(0x26c, 0x05c, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_ECB__ECB               IOMUX_PAD(0x270, 0x060, 0x10, 0, 0, NO_PAD_CTRL)
@@ -229,28 +229,28 @@
 #define MX25_PAD_LD7__GPIO_1_21         IOMUX_PAD(0x2dc, 0x0e4, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_LD8__LD8               IOMUX_PAD(0x2e0, 0x0e8, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD8__FEC_TX_ERR        IOMUX_PAD(0x2e0, 0x0e8, 0x15, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_LD8__FEC_TX_ERR        IOMUX_PAD(0x2e0, 0x0e8, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_LD9__LD9               IOMUX_PAD(0x2e4, 0x0ec, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD9__FEC_COL           IOMUX_PAD(0x2e4, 0x0ec, 0x15, 0x504, 1, NO_PAD_CTL)
+#define MX25_PAD_LD9__FEC_COL           IOMUX_PAD(0x2e4, 0x0ec, 0x15, 0x504, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_LD10__LD10             IOMUX_PAD(0x2e8, 0x0f0, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD10__FEC_RX_ER        IOMUX_PAD(0x2e8, 0x0f0, 0x15, 0x518, 1, NO_PAD_CTL)
+#define MX25_PAD_LD10__FEC_RX_ER        IOMUX_PAD(0x2e8, 0x0f0, 0x15, 0x518, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_LD11__LD11             IOMUX_PAD(0x2ec, 0x0f4, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD11__FEC_RDATA2       IOMUX_PAD(0x2ec, 0x0f4, 0x15, 0x50c, 1, NO_PAD_CTL)
+#define MX25_PAD_LD11__FEC_RDATA2       IOMUX_PAD(0x2ec, 0x0f4, 0x15, 0x50c, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_LD12__LD12             IOMUX_PAD(0x2f0, 0x0f8, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD12__FEC_RDATA3       IOMUX_PAD(0x2f0, 0x0f8, 0x15, 0x510, 1, NO_PAD_CTL)
+#define MX25_PAD_LD12__FEC_RDATA3       IOMUX_PAD(0x2f0, 0x0f8, 0x15, 0x510, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_LD13__LD13             IOMUX_PAD(0x2f4, 0x0fc, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD13__FEC_TDATA2       IOMUX_PAD(0x2f4, 0x0fc, 0x15, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_LD13__FEC_TDATA2       IOMUX_PAD(0x2f4, 0x0fc, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_LD14__LD14             IOMUX_PAD(0x2f8, 0x100, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD14__FEC_TDATA3       IOMUX_PAD(0x2f8, 0x100, 0x15, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_LD14__FEC_TDATA3       IOMUX_PAD(0x2f8, 0x100, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_LD15__LD15             IOMUX_PAD(0x2fc, 0x104, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_LD15__FEC_RX_CLK       IOMUX_PAD(0x2fc, 0x104, 0x15, 0x514, 1, NO_PAD_CTL)
+#define MX25_PAD_LD15__FEC_RX_CLK       IOMUX_PAD(0x2fc, 0x104, 0x15, 0x514, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_HSYNC__HSYNC           IOMUX_PAD(0x300, 0x108, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_HSYNC__GPIO_1_22       IOMUX_PAD(0x300, 0x108, 0x15, 0, 0, NO_PAD_CTRL)
@@ -265,7 +265,7 @@
 #define MX25_PAD_OE_ACD__GPIO_1_25      IOMUX_PAD(0x30c, 0x114, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_CONTRAST__CONTRAST     IOMUX_PAD(0x310, 0x118, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_CONTRAST__FEC_CRS      IOMUX_PAD(0x310, 0x118, 0x15, 0x508, 1, NO_PAD_CTL)
+#define MX25_PAD_CONTRAST__FEC_CRS      IOMUX_PAD(0x310, 0x118, 0x15, 0x508, 1, NO_PAD_CTRL)
 
 #define MX25_PAD_PWM__PWM               IOMUX_PAD(0x314, 0x11c, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_PWM__GPIO_1_26         IOMUX_PAD(0x314, 0x11c, 0x15, 0, 0, NO_PAD_CTRL)
@@ -354,19 +354,19 @@
 #define MX25_PAD_UART2_TXD__GPIO_4_27   IOMUX_PAD(0x37c, 0x184, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_UART2_RTS__UART2_RTS   IOMUX_PAD(0x380, 0x188, 0x10, 0, 0, NO_PAD_CTRL)
-#define MX25_PAD_UART2_RTS__FEC_COL     IOMUX_PAD(0x380, 0x188, 0x12, 0x504, 2, NO_PAD_CTL)
+#define MX25_PAD_UART2_RTS__FEC_COL     IOMUX_PAD(0x380, 0x188, 0x12, 0x504, 2, NO_PAD_CTRL)
 #define MX25_PAD_UART2_RTS__GPIO_4_28   IOMUX_PAD(0x380, 0x188, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_UART2_CTS__FEC_RX_ER   IOMUX_PAD(0x384, 0x18c, 0x12, 0x518, 2, NO_PAD_CTL)
+#define MX25_PAD_UART2_CTS__FEC_RX_ER   IOMUX_PAD(0x384, 0x18c, 0x12, 0x518, 2, NO_PAD_CTRL)
 #define MX25_PAD_UART2_CTS__UART2_CTS   IOMUX_PAD(0x384, 0x18c, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_UART2_CTS__GPIO_4_29   IOMUX_PAD(0x384, 0x18c, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_SD1_CMD__SD1_CMD       IOMUX_PAD(0x388, 0x190, 0x10, 0, 0, PAD_CTL_PUS_47K_UP)
-#define MX25_PAD_SD1_CMD__FEC_RDATA2    IOMUX_PAD(0x388, 0x190, 0x12, 0x50c, 2, NO_PAD_CTL)
+#define MX25_PAD_SD1_CMD__FEC_RDATA2    IOMUX_PAD(0x388, 0x190, 0x12, 0x50c, 2, NO_PAD_CTRL)
 #define MX25_PAD_SD1_CMD__GPIO_2_23     IOMUX_PAD(0x388, 0x190, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_SD1_CLK__SD1_CLK       IOMUX_PAD(0x38c, 0x194, 0x10, 0, 0, PAD_CTL_PUS_47K_UP)
-#define MX25_PAD_SD1_CLK__FEC_RDATA3    IOMUX_PAD(0x38c, 0x194, 0x12, 0x510, 2, NO_PAD_CTL)
+#define MX25_PAD_SD1_CLK__FEC_RDATA3    IOMUX_PAD(0x38c, 0x194, 0x12, 0x510, 2, NO_PAD_CTRL)
 #define MX25_PAD_SD1_CLK__GPIO_2_24     IOMUX_PAD(0x38c, 0x194, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_SD1_DATA0__SD1_DATA0   IOMUX_PAD(0x390, 0x198, 0x10, 0, 0, PAD_CTL_PUS_47K_UP)
@@ -377,11 +377,11 @@
 #define MX25_PAD_SD1_DATA1__GPIO_2_26   IOMUX_PAD(0x394, 0x19c, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_SD1_DATA2__SD1_DATA2   IOMUX_PAD(0x398, 0x1a0, 0x10, 0, 0, PAD_CTL_PUS_47K_UP)
-#define MX25_PAD_SD1_DATA2__FEC_RX_CLK  IOMUX_PAD(0x398, 0x1a0, 0x15, 0x514, 2, NO_PAD_CTL)
+#define MX25_PAD_SD1_DATA2__FEC_RX_CLK  IOMUX_PAD(0x398, 0x1a0, 0x15, 0x514, 2, NO_PAD_CTRL)
 #define MX25_PAD_SD1_DATA2__GPIO_2_27   IOMUX_PAD(0x398, 0x1a0, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_SD1_DATA3__SD1_DATA3   IOMUX_PAD(0x39c, 0x1a4, 0x10, 0, 0, PAD_CTL_PUS_47K_UP)
-#define MX25_PAD_SD1_DATA3__FEC_CRS     IOMUX_PAD(0x39c, 0x1a4, 0x10, 0x508, 2, NO_PAD_CTL)
+#define MX25_PAD_SD1_DATA3__FEC_CRS     IOMUX_PAD(0x39c, 0x1a4, 0x10, 0x508, 2, NO_PAD_CTRL)
 #define MX25_PAD_SD1_DATA3__GPIO_2_28   IOMUX_PAD(0x39c, 0x1a4, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_KPP_ROW0__KPP_ROW0     IOMUX_PAD(0x3a0, 0x1a8, 0x10, 0, 0, PAD_CTL_PKE)
@@ -410,7 +410,7 @@
 #define MX25_PAD_KPP_COL3__KPP_COL3     IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, PAD_CTL_PKE | PAD_CTL_ODE)
 #define MX25_PAD_KPP_COL3__GPIO_3_4     IOMUX_PAD(0x3bc, 0x1c4, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_MDC__FEC_MDC       IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_FEC_MDC__FEC_MDC       IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_FEC_MDC__AUD4_TXD      IOMUX_PAD(0x3c0, 0x1c8, 0x12, 0x464, 1, NO_PAD_CTRL)
 #define MX25_PAD_FEC_MDC__GPIO_3_5      IOMUX_PAD(0x3c0, 0x1c8, 0x15, 0, 0, NO_PAD_CTRL)
 
@@ -418,23 +418,23 @@
 #define MX25_PAD_FEC_MDIO__AUD4_RXD     IOMUX_PAD(0x3c4, 0x1cc, 0x12, 0x460, 1, NO_PAD_CTRL)
 #define MX25_PAD_FEC_MDIO__GPIO_3_6     IOMUX_PAD(0x3c4, 0x1cc, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_TDATA0__FEC_TDATA0 IOMUX_PAD(0x3c8, 0x1d0, 0x10, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_FEC_TDATA0__FEC_TDATA0 IOMUX_PAD(0x3c8, 0x1d0, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_FEC_TDATA0__GPIO_3_7   IOMUX_PAD(0x3c8, 0x1d0, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_TDATA1__FEC_TDATA1 IOMUX_PAD(0x3cc, 0x1d4, 0x10, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_FEC_TDATA1__FEC_TDATA1 IOMUX_PAD(0x3cc, 0x1d4, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_FEC_TDATA1__AUD4_TXFS  IOMUX_PAD(0x3cc, 0x1d4, 0x12, 0x474, 1, NO_PAD_CTRL)
 #define MX25_PAD_FEC_TDATA1__GPIO_3_8   IOMUX_PAD(0x3cc, 0x1d4, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_TX_EN__FEC_TX_EN   IOMUX_PAD(0x3d0, 0x1d8, 0x10, 0, 0, NO_PAD_CTL)
+#define MX25_PAD_FEC_TX_EN__FEC_TX_EN   IOMUX_PAD(0x3d0, 0x1d8, 0x10, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_FEC_TX_EN__GPIO_3_9    IOMUX_PAD(0x3d0, 0x1d8, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_RDATA0__FEC_RDATA0 IOMUX_PAD(0x3d4, 0x1dc, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTL)
+#define MX25_PAD_FEC_RDATA0__FEC_RDATA0 IOMUX_PAD(0x3d4, 0x1dc, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTRL)
 #define MX25_PAD_FEC_RDATA0__GPIO_3_10  IOMUX_PAD(0x3d4, 0x1dc, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_RDATA1__FEC_RDATA1 IOMUX_PAD(0x3d8, 0x1e0, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTL)
+#define MX25_PAD_FEC_RDATA1__FEC_RDATA1 IOMUX_PAD(0x3d8, 0x1e0, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTRL)
 #define MX25_PAD_FEC_RDATA1__GPIO_3_11  IOMUX_PAD(0x3d8, 0x1e0, 0x15, 0, 0, NO_PAD_CTRL)
 
-#define MX25_PAD_FEC_RX_DV__FEC_RX_DV   IOMUX_PAD(0x3dc, 0x1e4, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTL)
+#define MX25_PAD_FEC_RX_DV__FEC_RX_DV   IOMUX_PAD(0x3dc, 0x1e4, 0x10, 0, 0, PAD_CTL_PUS_100K_DOWN | NO_PAD_CTRL)
 #define MX25_PAD_FEC_RX_DV__CAN2_RX     IOMUX_PAD(0x3dc, 0x1e4, 0x14, 0x484, 0, PAD_CTL_PUS_22K_UP)
 #define MX25_PAD_FEC_RX_DV__GPIO_3_12   IOMUX_PAD(0x3dc, 0x1e4, 0x15, 0, 0, NO_PAD_CTRL)
 
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index 91e738144804..854e2dc58481 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -41,4 +41,8 @@
 #define UART1_BASE_ADDR                 0x43f90000
 #define UART2_BASE_ADDR                 0x43f94000
 
+#define MX25_FEC_BASE_ADDR              0x50038000
+
+#define MX25_INT_FEC    57
+
 #endif /* __MACH_MX25_H__ */
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 89cafc937249..d9f8c844c385 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -36,10 +36,6 @@ static struct clk_functions *arch_clock;
  * Standard clock functions defined in include/linux/clk.h
  *-------------------------------------------------------------------------*/
 
-/* This functions is moved to arch/arm/common/clkdev.c. For OMAP4 since
- * clock framework is not up , it is defined here to avoid rework in
- * every driver. Also dummy prcm reset function is added */
-
 int clk_enable(struct clk *clk)
 {
         unsigned long flags;
@@ -305,7 +301,6 @@ void clk_enable_init_clocks(void)
                         clk_enable(clkp);
         }
 }
-EXPORT_SYMBOL(clk_enable_init_clocks);
 
 /*
  * Low level helpers
@@ -334,7 +329,16 @@ void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
                 arch_clock->clk_init_cpufreq_table(table);
         spin_unlock_irqrestore(&clockfw_lock, flags);
 }
-EXPORT_SYMBOL(clk_init_cpufreq_table);
+
+void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&clockfw_lock, flags);
+        if (arch_clock->clk_exit_cpufreq_table)
+                arch_clock->clk_exit_cpufreq_table(table);
+        spin_unlock_irqrestore(&clockfw_lock, flags);
+}
 #endif
 
 /*-------------------------------------------------------------------------*/
diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c
index f8ddbdd8b076..6d3d33360056 100644
--- a/arch/arm/plat-omap/cpu-omap.c
+++ b/arch/arm/plat-omap/cpu-omap.c
@@ -134,6 +134,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
 
 static int omap_cpu_exit(struct cpufreq_policy *policy)
 {
+        clk_exit_cpufreq_table(&freq_table);
         clk_put(mpu_clk);
         return 0;
 }
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 04846811d0aa..d17620c50c28 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -192,6 +192,7 @@ struct gpio_bank {
         u32 saved_risingdetect;
 #endif
         u32 level_mask;
+        u32 toggle_mask;
         spinlock_t lock;
         struct gpio_chip chip;
         struct clk *dbck;
@@ -749,6 +750,44 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 }
 #endif
 
+/*
+ * This only applies to chips that can't do both rising and falling edge
+ * detection at once.  For all other chips, this function is a noop.
+ */
+static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
+{
+        void __iomem *reg = bank->base;
+        u32 l = 0;
+
+        switch (bank->method) {
+#ifdef CONFIG_ARCH_OMAP1
+        case METHOD_MPUIO:
+                reg += OMAP_MPUIO_GPIO_INT_EDGE;
+                break;
+#endif
+#ifdef CONFIG_ARCH_OMAP15XX
+        case METHOD_GPIO_1510:
+                reg += OMAP1510_GPIO_INT_CONTROL;
+                break;
+#endif
+#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
+        case METHOD_GPIO_7XX:
+                reg += OMAP7XX_GPIO_INT_CONTROL;
+                break;
+#endif
+        default:
+                return;
+        }
+
+        l = __raw_readl(reg);
+        if ((l >> gpio) & 1)
+                l &= ~(1 << gpio);
+        else
+                l |= 1 << gpio;
+
+        __raw_writel(l, reg);
+}
+
 static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
 {
         void __iomem *reg = bank->base;
@@ -759,6 +798,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_MPUIO:
                 reg += OMAP_MPUIO_GPIO_INT_EDGE;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -771,6 +812,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_GPIO_1510:
                 reg += OMAP1510_GPIO_INT_CONTROL;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -803,6 +846,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_GPIO_7XX:
                 reg += OMAP7XX_GPIO_INT_CONTROL;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -1072,7 +1117,7 @@ static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int ena
  */
 static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
 {
-        unsigned long flags;
+        unsigned long uninitialized_var(flags);
 
         switch (bank->method) {
 #ifdef CONFIG_ARCH_OMAP16XX
@@ -1217,7 +1262,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
         void __iomem *isr_reg = NULL;
         u32 isr;
-        unsigned int gpio_irq;
+        unsigned int gpio_irq, gpio_index;
         struct gpio_bank *bank;
         u32 retrigger = 0;
         int unmasked = 0;
@@ -1284,9 +1329,23 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 
                 gpio_irq = bank->virtual_irq_start;
                 for (; isr != 0; isr >>= 1, gpio_irq++) {
+                        gpio_index = get_gpio_index(irq_to_gpio(gpio_irq));
+
                         if (!(isr & 1))
                                 continue;
 
+#ifdef CONFIG_ARCH_OMAP1
+                        /*
+                         * Some chips can't respond to both rising and falling
+                         * at the same time.  If this irq was requested with
+                         * both flags, we need to flip the ICR data for the IRQ
+                         * to respond to the IRQ for the opposite direction.
+                         * This will be indicated in the bank toggle_mask.
+                         */
+                        if (bank->toggle_mask & (1 << gpio_index))
+                                _toggle_gpio_edge_triggering(bank, gpio_index);
+#endif
+
                         generic_handle_irq(gpio_irq);
                 }
         }
diff --git a/arch/arm/plat-omap/include/plat/board.h b/arch/arm/plat-omap/include/plat/board.h
index 376ce18216ff..5cd622039da0 100644
--- a/arch/arm/plat-omap/include/plat/board.h
+++ b/arch/arm/plat-omap/include/plat/board.h
@@ -99,7 +99,6 @@ struct fb_info;
 struct omap_backlight_config {
         int default_intensity;
         int (*set_power)(struct device *dev, int state);
-        int (*check_fb)(struct fb_info *fb);
 };
 
 struct omap_fbmem_config {
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 309b6d1dccdb..94fe2a0ce40a 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -119,6 +119,7 @@ struct clk_functions {
         void            (*clk_disable_unused)(struct clk *clk);
 #ifdef CONFIG_CPU_FREQ
         void            (*clk_init_cpufreq_table)(struct cpufreq_frequency_table **);
+        void            (*clk_exit_cpufreq_table)(struct cpufreq_frequency_table **);
 #endif
 };
 
@@ -135,6 +136,7 @@ extern unsigned long followparent_recalc(struct clk *clk);
 extern void clk_enable_init_clocks(void);
 #ifdef CONFIG_CPU_FREQ
 extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
+extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
 #endif
 
 extern const struct clkops clkops_null;
diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index 2ae884378638..a745d62fad0d 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -147,7 +147,7 @@
 #define OMAP343X_CONTROL_IVA2_BOOTADDR  (OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD   (OMAP2_CONTROL_GENERAL + 0x0194)
 #define OMAP343X_CONTROL_DEBOBS(i)      (OMAP2_CONTROL_GENERAL + 0x01B0 \
-                                        + ((i) >> 1) * 4 + (!(i) & 1) * 2)
+                                        + ((i) >> 1) * 4 + (!((i) & 1)) * 2)
 #define OMAP343X_CONTROL_PROG_IO0       (OMAP2_CONTROL_GENERAL + 0x01D4)
 #define OMAP343X_CONTROL_PROG_IO1       (OMAP2_CONTROL_GENERAL + 0x01D8)
 #define OMAP343X_CONTROL_DSS_DPLL_SPREADING     (OMAP2_CONTROL_GENERAL + 0x01E0)
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index 7e5319f907d1..a3e7b471bcba 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -122,16 +122,21 @@
 #define OMAP243X_SMS_VIRT       (OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
 #define OMAP243X_SMS_SIZE       SZ_1M
 
-/* DSP */
-#define DSP_MEM_24XX_PHYS       OMAP2420_DSP_MEM_BASE   /* 0x58000000 */
-#define DSP_MEM_24XX_VIRT       0xe0000000
-#define DSP_MEM_24XX_SIZE       0x28000
-#define DSP_IPI_24XX_PHYS       OMAP2420_DSP_IPI_BASE   /* 0x59000000 */
-#define DSP_IPI_24XX_VIRT       0xe1000000
-#define DSP_IPI_24XX_SIZE       SZ_4K
-#define DSP_MMU_24XX_PHYS       OMAP2420_DSP_MMU_BASE   /* 0x5a000000 */
-#define DSP_MMU_24XX_VIRT       0xe2000000
-#define DSP_MMU_24XX_SIZE       SZ_4K
+/* 2420 IVA */
+#define DSP_MEM_2420_PHYS       OMAP2420_DSP_MEM_BASE
+                                                /* 0x58000000 --> 0xfc100000 */
+#define DSP_MEM_2420_VIRT       0xfc100000
+#define DSP_MEM_2420_SIZE       0x28000
+#define DSP_IPI_2420_PHYS       OMAP2420_DSP_IPI_BASE
+                                                /* 0x59000000 --> 0xfc128000 */
+#define DSP_IPI_2420_VIRT       0xfc128000
+#define DSP_IPI_2420_SIZE       SZ_4K
+#define DSP_MMU_2420_PHYS       OMAP2420_DSP_MMU_BASE
+                                                /* 0x5a000000 --> 0xfc129000 */
+#define DSP_MMU_2420_VIRT       0xfc129000
+#define DSP_MMU_2420_SIZE       SZ_4K
+
+/* 2430 IVA2.1 - currently unmapped */
 
 /*
  * ----------------------------------------------------------------------------
@@ -182,16 +187,7 @@
 #define OMAP343X_SDRC_VIRT      (OMAP343X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
 #define OMAP343X_SDRC_SIZE      SZ_1M
 
-/* DSP */
-#define DSP_MEM_34XX_PHYS       OMAP34XX_DSP_MEM_BASE   /* 0x58000000 */
-#define DSP_MEM_34XX_VIRT       0xe0000000
-#define DSP_MEM_34XX_SIZE       0x28000
-#define DSP_IPI_34XX_PHYS       OMAP34XX_DSP_IPI_BASE   /* 0x59000000 */
-#define DSP_IPI_34XX_VIRT       0xe1000000
-#define DSP_IPI_34XX_SIZE       SZ_4K
-#define DSP_MMU_34XX_PHYS       OMAP34XX_DSP_MMU_BASE   /* 0x5a000000 */
-#define DSP_MMU_34XX_VIRT       0xe2000000
-#define DSP_MMU_34XX_SIZE       SZ_4K
+/* 3430 IVA - currently unmapped */
 
 /*
  * ----------------------------------------------------------------------------
diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h
index 8f069cc80350..692c90e89ac3 100644
--- a/arch/arm/plat-omap/include/plat/mux.h
+++ b/arch/arm/plat-omap/include/plat/mux.h
@@ -183,6 +183,14 @@ enum omap7xx_index {
         /* I2C */
         I2C_7XX_SCL,
         I2C_7XX_SDA,
+
+        /* SPI */
+        SPI_7XX_1,
+        SPI_7XX_2,
+        SPI_7XX_3,
+        SPI_7XX_4,
+        SPI_7XX_5,
+        SPI_7XX_6,
 };
 
 enum omap1xxx_index {
diff --git a/arch/arm/plat-omap/include/plat/omap7xx.h b/arch/arm/plat-omap/include/plat/omap7xx.h
index 53f52414b0e9..48e4757e1e30 100644
--- a/arch/arm/plat-omap/include/plat/omap7xx.h
+++ b/arch/arm/plat-omap/include/plat/omap7xx.h
@@ -46,6 +46,9 @@
 #define OMAP7XX_DSPREG_SIZE     SZ_128K
 #define OMAP7XX_DSPREG_START    0xE1000000
 
+#define OMAP7XX_SPI1_BASE       0xfffc0800
+#define OMAP7XX_SPI2_BASE       0xfffc1000
+
 /*
  * ----------------------------------------------------------------------------
  * OMAP7XX specific configuration registers
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index 11f5d7961c73..0cfd54f519c4 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -66,12 +66,12 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
                         return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT);
         }
         if (cpu_is_omap2420()) {
-                if (BETWEEN(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_SIZE))
-                        return XLATE(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_VIRT);
-                if (BETWEEN(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE))
-                        return XLATE(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE);
-                if (BETWEEN(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_SIZE))
-                        return XLATE(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_VIRT);
+                if (BETWEEN(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_SIZE))
+                        return XLATE(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_VIRT);
+                if (BETWEEN(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE))
+                        return XLATE(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE);
+                if (BETWEEN(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_SIZE))
+                        return XLATE(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_VIRT);
         }
         if (cpu_is_omap2430()) {
                 if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE))
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index c0ff1e39d893..463d6386aff2 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -827,7 +827,7 @@ EXPORT_SYMBOL_GPL(iommu_get);
  **/
 void iommu_put(struct iommu *obj)
 {
-        if (!obj && IS_ERR(obj))
+        if (!obj || IS_ERR(obj))
                 return;
 
         mutex_lock(&obj->iommu_lock);
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 2cc1cc328bac..f75767278fc3 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -436,7 +436,7 @@ int omap_mcbsp_request(unsigned int id)
                         dev_err(mcbsp->dev, "Unable to request TX IRQ %d "
                                         "for McBSP%d\n", mcbsp->tx_irq,
                                         mcbsp->id);
-                        return err;
+                        goto error;
                 }
 
                 init_completion(&mcbsp->rx_irq_completion);
@@ -446,12 +446,26 @@ int omap_mcbsp_request(unsigned int id)
                         dev_err(mcbsp->dev, "Unable to request RX IRQ %d "
                                         "for McBSP%d\n", mcbsp->rx_irq,
                                         mcbsp->id);
-                        free_irq(mcbsp->tx_irq, (void *)mcbsp);
-                        return err;
+                        goto tx_irq;
                 }
         }
 
         return 0;
+tx_irq:
+        free_irq(mcbsp->tx_irq, (void *)mcbsp);
+error:
+        if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
+                        mcbsp->pdata->ops->free(id);
+
+        /* Do procedure specific to omap34xx arch, if applicable */
+        omap34xx_mcbsp_free(mcbsp);
+
+        clk_disable(mcbsp->fclk);
+        clk_disable(mcbsp->iclk);
+
+        mcbsp->free = 1;
+
+        return err;
 }
 EXPORT_SYMBOL(omap_mcbsp_request);
 
diff --git a/arch/arm/plat-pxa/pwm.c b/arch/arm/plat-pxa/pwm.c
index a9eabdcfa163..51dc5c8106c0 100644
--- a/arch/arm/plat-pxa/pwm.c
+++ b/arch/arm/plat-pxa/pwm.c
@@ -204,14 +204,14 @@ static int __devinit pwm_probe(struct platform_device *pdev)
                 goto err_free_clk;
         }
 
-        r = request_mem_region(r->start, r->end - r->start + 1, pdev->name);
+        r = request_mem_region(r->start, resource_size(r), pdev->name);
         if (r == NULL) {
                 dev_err(&pdev->dev, "failed to request memory resource\n");
                 ret = -EBUSY;
                 goto err_free_clk;
         }
 
-        pwm->mmio_base = ioremap(r->start, r->end - r->start + 1);
+        pwm->mmio_base = ioremap(r->start, resource_size(r));
         if (pwm->mmio_base == NULL) {
                 dev_err(&pdev->dev, "failed to ioremap() registers\n");
                 ret = -ENODEV;
@@ -241,7 +241,7 @@ static int __devinit pwm_probe(struct platform_device *pdev)
         return 0;
 
 err_free_mem:
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 err_free_clk:
         clk_put(pwm->clk);
 err_free:
@@ -271,7 +271,7 @@ static int __devexit pwm_remove(struct platform_device *pdev)
         iounmap(pwm->mmio_base);
 
         r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 
         clk_put(pwm->clk);
         kfree(pwm);
diff --git a/arch/arm/plat-s3c/dev-nand.c b/arch/arm/plat-s3c/dev-nand.c
index e771e77dcd54..84808ccda70e 100644
--- a/arch/arm/plat-s3c/dev-nand.c
+++ b/arch/arm/plat-s3c/dev-nand.c
@@ -114,7 +114,7 @@ void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand)
                 
                 for (i = 0; i < npd->nr_sets; i++) {
                         ret = s3c_nand_copy_set(to);
-                        if (!ret) {
+                        if (ret) {
                                 printk(KERN_ERR "%s: failed to copy set %d\n",
                                 __func__, i);
                                 return;
@@ -122,6 +122,8 @@ void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand)
                         to++;
                 }
         }
+
+        s3c_device_nand.dev.platform_data = npd;
 }
 
 EXPORT_SYMBOL_GPL(s3c_nand_set_platdata);
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 932cbbbb4273..c1c20b023917 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -31,6 +31,7 @@ extern struct platform_device s3c64xx_device_iisv4;
 extern struct platform_device s3c64xx_device_pcm0;
 extern struct platform_device s3c64xx_device_pcm1;
 
+extern struct platform_device s3c_device_ts;
 extern struct platform_device s3c_device_fb;
 extern struct platform_device s3c_device_usb;
 extern struct platform_device s3c_device_lcd;
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index f52a92ce8dda..7f686a31e672 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -37,6 +37,8 @@
 #include <plat/cpu.h>
 #include <plat/regs-spi.h>
 
+#include <mach/ts.h>
+
 /* Serial port registrations */
 
 static struct resource s3c2410_uart0_resource[] = {
@@ -182,6 +184,22 @@ void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
         }
 }
 
+/* Touchscreen */
+struct platform_device s3c_device_ts = {
+        .name             = "s3c2410-ts",
+        .id               = -1,
+};
+EXPORT_SYMBOL(s3c_device_ts);
+
+static struct s3c2410_ts_mach_info s3c2410ts_info;
+
+void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *hard_s3c2410ts_info)
+{
+        memcpy(&s3c2410ts_info, hard_s3c2410ts_info, sizeof(struct s3c2410_ts_mach_info));
+        s3c_device_ts.dev.platform_data = &s3c2410ts_info;
+}
+EXPORT_SYMBOL(s3c24xx_ts_set_platdata);
+
 /* USB Device (Gadget)*/
 
 static struct resource s3c_usbgadget_resource[] = {
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index 1364317d421e..12623a474b54 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -70,6 +70,7 @@ void __init s3c244x_map_io(void)
         s3c_device_sdi.name  = "s3c2440-sdi";
         s3c_device_i2c0.name  = "s3c2440-i2c";
         s3c_device_nand.name = "s3c2440-nand";
+        s3c_device_ts.name = "s3c2440-ts";
         s3c_device_usbgadget.name = "s3c2440-usbgadget";
 }
 
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c
index 6ffa21eb1b91..ffd56deb9e81 100644
--- a/arch/arm/plat-s3c64xx/s3c6400-clock.c
+++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c
@@ -46,6 +46,7 @@ static struct clk clk_ext_xtal_mux = {
 #define clk_fin_epll clk_ext_xtal_mux
 
 #define clk_fout_mpll   clk_mpll
+#define clk_fout_epll   clk_epll
 
 struct clk_sources {
         unsigned int    nr_sources;
@@ -88,11 +89,6 @@ static struct clksrc_clk clk_mout_apll = {
         .sources        = &clk_src_apll,
 };
 
-static struct clk clk_fout_epll = {
-        .name           = "fout_epll",
-        .id             = -1,
-};
-
 static struct clk *clk_src_epll_list[] = {
         [0] = &clk_fin_epll,
         [1] = &clk_fout_epll,
@@ -715,7 +711,6 @@ static struct clk *clks[] __initdata = {
         &clk_iis_cd1,
         &clk_pcm_cd,
         &clk_mout_epll.clk,
-        &clk_fout_epll,
         &clk_mout_mpll.clk,
         &clk_dout_mpll,
         &clk_mmc0.clk,
@@ -760,7 +755,4 @@ void __init s3c6400_register_clocks(unsigned armclk_divlimit)
                                clkp->name, ret);
                 }
         }
-
-        clk_mpll.parent = &clk_mout_mpll.clk;
-        clk_epll.parent = &clk_mout_epll.clk;
 }
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 944a07c6cfd6..1d04e4078340 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/arch/blackfin/include/asm/page.h
@@ -10,4 +10,9 @@
 #include <asm-generic/page.h>
 #define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
 
+#define VM_DATA_DEFAULT_FLAGS \
+        (VM_READ | VM_WRITE | \
+        ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
+                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
 #endif
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index f1036b6b9293..34c7c3ed2c9c 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -6,23 +6,9 @@
  * Licensed under the GPL-2 or later.
  */
 
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
 #include <linux/ptrace.h>               /* for linux pt_regs struct */
 #include <linux/kgdb.h>
-#include <linux/console.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/irq.h>
 #include <linux/uaccess.h>
-#include <asm/system.h>
-#include <asm/traps.h>
-#include <asm/blackfin.h>
-#include <asm/dma.h>
 
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
@@ -147,7 +133,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
         regs->lb1 = gdb_regs[BFIN_LB1];
         regs->usp = gdb_regs[BFIN_USP];
         regs->syscfg = gdb_regs[BFIN_SYSCFG];
-        regs->retx = gdb_regs[BFIN_PC];
+        regs->retx = gdb_regs[BFIN_RETX];
         regs->retn = gdb_regs[BFIN_RETN];
         regs->rete = gdb_regs[BFIN_RETE];
         regs->pc = gdb_regs[BFIN_PC];
@@ -424,182 +410,6 @@ struct kgdb_arch arch_kgdb_ops = {
         .correct_hw_break = bfin_correct_hw_break,
 };
 
-static int hex(char ch)
-{
-        if ((ch >= 'a') && (ch <= 'f'))
-                return ch - 'a' + 10;
-        if ((ch >= '0') && (ch <= '9'))
-                return ch - '0';
-        if ((ch >= 'A') && (ch <= 'F'))
-                return ch - 'A' + 10;
-        return -1;
-}
-
-static int validate_memory_access_address(unsigned long addr, int size)
-{
-        if (size < 0 || addr == 0)
-                return -EFAULT;
-        return bfin_mem_access_type(addr, size);
-}
-
-static int bfin_probe_kernel_read(char *dst, char *src, int size)
-{
-        unsigned long lsrc = (unsigned long)src;
-        int mem_type;
-
-        mem_type = validate_memory_access_address(lsrc, size);
-        if (mem_type < 0)
-                return mem_type;
-
-        if (lsrc >= SYSMMR_BASE) {
-                if (size == 2 && lsrc % 2 == 0) {
-                        u16 mmr = bfin_read16(src);
-                        memcpy(dst, &mmr, sizeof(mmr));
-                        return 0;
-                } else if (size == 4 && lsrc % 4 == 0) {
-                        u32 mmr = bfin_read32(src);
-                        memcpy(dst, &mmr, sizeof(mmr));
-                        return 0;
-                }
-        } else {
-                switch (mem_type) {
-                        case BFIN_MEM_ACCESS_CORE:
-                        case BFIN_MEM_ACCESS_CORE_ONLY:
-                                return probe_kernel_read(dst, src, size);
-                        /* XXX: should support IDMA here with SMP */
-                        case BFIN_MEM_ACCESS_DMA:
-                                if (dma_memcpy(dst, src, size))
-                                        return 0;
-                                break;
-                        case BFIN_MEM_ACCESS_ITEST:
-                                if (isram_memcpy(dst, src, size))
-                                        return 0;
-                                break;
-                }
-        }
-
-        return -EFAULT;
-}
-
-static int bfin_probe_kernel_write(char *dst, char *src, int size)
-{
-        unsigned long ldst = (unsigned long)dst;
-        int mem_type;
-
-        mem_type = validate_memory_access_address(ldst, size);
-        if (mem_type < 0)
-                return mem_type;
-
-        if (ldst >= SYSMMR_BASE) {
-                if (size == 2 && ldst % 2 == 0) {
-                        u16 mmr;
-                        memcpy(&mmr, src, sizeof(mmr));
-                        bfin_write16(dst, mmr);
-                        return 0;
-                } else if (size == 4 && ldst % 4 == 0) {
-                        u32 mmr;
-                        memcpy(&mmr, src, sizeof(mmr));
-                        bfin_write32(dst, mmr);
-                        return 0;
-                }
-        } else {
-                switch (mem_type) {
-                        case BFIN_MEM_ACCESS_CORE:
-                        case BFIN_MEM_ACCESS_CORE_ONLY:
-                                return probe_kernel_write(dst, src, size);
-                        /* XXX: should support IDMA here with SMP */
-                        case BFIN_MEM_ACCESS_DMA:
-                                if (dma_memcpy(dst, src, size))
-                                        return 0;
-                                break;
-                        case BFIN_MEM_ACCESS_ITEST:
-                                if (isram_memcpy(dst, src, size))
-                                        return 0;
-                                break;
-                }
-        }
-
-        return -EFAULT;
-}
-
-/*
- * Convert the memory pointed to by mem into hex, placing result in buf.
- * Return a pointer to the last char put in buf (null). May return an error.
- */
-int kgdb_mem2hex(char *mem, char *buf, int count)
-{
-        char *tmp;
-        int err;
-
-        /*
-         * We use the upper half of buf as an intermediate buffer for the
-         * raw memory copy.  Hex conversion will work against this one.
-         */
-        tmp = buf + count;
-
-        err = bfin_probe_kernel_read(tmp, mem, count);
-        if (!err) {
-                while (count > 0) {
-                        buf = pack_hex_byte(buf, *tmp);
-                        tmp++;
-                        count--;
-                }
-
-                *buf = 0;
-        }
-
-        return err;
-}
-
-/*
- * Copy the binary array pointed to by buf into mem.  Fix $, #, and
- * 0x7d escaped with 0x7d.  Return a pointer to the character after
- * the last byte written.
- */
-int kgdb_ebin2mem(char *buf, char *mem, int count)
-{
-        char *tmp_old, *tmp_new;
-        int size;
-
-        tmp_old = tmp_new = buf;
-
-        for (size = 0; size < count; ++size) {
-                if (*tmp_old == 0x7d)
-                        *tmp_new = *(++tmp_old) ^ 0x20;
-                else
-                        *tmp_new = *tmp_old;
-                tmp_new++;
-                tmp_old++;
-        }
-
-        return bfin_probe_kernel_write(mem, buf, count);
-}
-
-/*
- * Convert the hex array pointed to by buf into binary to be placed in mem.
- * Return a pointer to the character AFTER the last byte written.
- * May return an error.
- */
-int kgdb_hex2mem(char *buf, char *mem, int count)
-{
-        char *tmp_raw, *tmp_hex;
-
-        /*
-         * We use the upper half of buf as an intermediate buffer for the
-         * raw memory that is converted from hex.
-         */
-        tmp_raw = buf + count * 2;
-
-        tmp_hex = tmp_raw - 1;
-        while (tmp_hex >= buf) {
-                tmp_raw--;
-                *tmp_raw = hex(*tmp_hex--);
-                *tmp_raw |= hex(*tmp_hex--) << 4;
-        }
-
-        return bfin_probe_kernel_write(mem, tmp_raw, count);
-}
-
 #define IN_MEM(addr, size, l1_addr, l1_size) \
 ({ \
         unsigned long __addr = (unsigned long)(addr); \
@@ -629,21 +439,6 @@ int kgdb_validate_break_address(unsigned long addr)
         return -EFAULT;
 }
 
-int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr)
-{
-        int err = bfin_probe_kernel_read(saved_instr, (char *)addr,
-                                         BREAK_INSTR_SIZE);
-        if (err)
-                return err;
-        return bfin_probe_kernel_write((char *)addr, arch_kgdb_ops.gdb_bpt_instr,
-                                       BREAK_INSTR_SIZE);
-}
-
-int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle)
-{
-        return bfin_probe_kernel_write((char *)addr, bundle, BREAK_INSTR_SIZE);
-}
-
 int kgdb_arch_init(void)
 {
         kgdb_single_step = 0;
diff --git a/arch/blackfin/mm/Makefile b/arch/blackfin/mm/Makefile
index d489f894f4b1..4c011b1f661f 100644
--- a/arch/blackfin/mm/Makefile
+++ b/arch/blackfin/mm/Makefile
@@ -2,4 +2,4 @@
 # arch/blackfin/mm/Makefile
 #
 
-obj-y := sram-alloc.o isram-driver.o init.o
+obj-y := sram-alloc.o isram-driver.o init.o maccess.o
diff --git a/arch/blackfin/mm/maccess.c b/arch/blackfin/mm/maccess.c
new file mode 100644
index 000000000000..b71cebc1f8a3
--- /dev/null
+++ b/arch/blackfin/mm/maccess.c
@@ -0,0 +1,97 @@
+/*
+ * safe read and write memory routines callable while atomic
+ *
+ * Copyright 2005-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/uaccess.h>
+#include <asm/dma.h>
+
+static int validate_memory_access_address(unsigned long addr, int size)
+{
+        if (size < 0 || addr == 0)
+                return -EFAULT;
+        return bfin_mem_access_type(addr, size);
+}
+
+long probe_kernel_read(void *dst, void *src, size_t size)
+{
+        unsigned long lsrc = (unsigned long)src;
+        int mem_type;
+
+        mem_type = validate_memory_access_address(lsrc, size);
+        if (mem_type < 0)
+                return mem_type;
+
+        if (lsrc >= SYSMMR_BASE) {
+                if (size == 2 && lsrc % 2 == 0) {
+                        u16 mmr = bfin_read16(src);
+                        memcpy(dst, &mmr, sizeof(mmr));
+                        return 0;
+                } else if (size == 4 && lsrc % 4 == 0) {
+                        u32 mmr = bfin_read32(src);
+                        memcpy(dst, &mmr, sizeof(mmr));
+                        return 0;
+                }
+        } else {
+                switch (mem_type) {
+                case BFIN_MEM_ACCESS_CORE:
+                case BFIN_MEM_ACCESS_CORE_ONLY:
+                        return __probe_kernel_read(dst, src, size);
+                        /* XXX: should support IDMA here with SMP */
+                case BFIN_MEM_ACCESS_DMA:
+                        if (dma_memcpy(dst, src, size))
+                                return 0;
+                        break;
+                case BFIN_MEM_ACCESS_ITEST:
+                        if (isram_memcpy(dst, src, size))
+                                return 0;
+                        break;
+                }
+        }
+
+        return -EFAULT;
+}
+
+long probe_kernel_write(void *dst, void *src, size_t size)
+{
+        unsigned long ldst = (unsigned long)dst;
+        int mem_type;
+
+        mem_type = validate_memory_access_address(ldst, size);
+        if (mem_type < 0)
+                return mem_type;
+
+        if (ldst >= SYSMMR_BASE) {
+                if (size == 2 && ldst % 2 == 0) {
+                        u16 mmr;
+                        memcpy(&mmr, src, sizeof(mmr));
+                        bfin_write16(dst, mmr);
+                        return 0;
+                } else if (size == 4 && ldst % 4 == 0) {
+                        u32 mmr;
+                        memcpy(&mmr, src, sizeof(mmr));
+                        bfin_write32(dst, mmr);
+                        return 0;
+                }
+        } else {
+                switch (mem_type) {
+                case BFIN_MEM_ACCESS_CORE:
+                case BFIN_MEM_ACCESS_CORE_ONLY:
+                        return __probe_kernel_write(dst, src, size);
+                        /* XXX: should support IDMA here with SMP */
+                case BFIN_MEM_ACCESS_DMA:
+                        if (dma_memcpy(dst, src, size))
+                                return 0;
+                        break;
+                case BFIN_MEM_ACCESS_ITEST:
+                        if (isram_memcpy(dst, src, size))
+                                return 0;
+                        break;
+                }
+        }
+
+        return -EFAULT;
+}
diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h
index 25c6a5002355..8c97068ac8fc 100644
--- a/arch/frv/include/asm/page.h
+++ b/arch/frv/include/asm/page.h
@@ -63,12 +63,10 @@ extern unsigned long max_pfn;
 #define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 
 
-#ifdef CONFIG_MMU
 #define VM_DATA_DEFAULT_FLAGS \
         (VM_READ | VM_WRITE | \
         ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
                  VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#endif
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/ia64/include/asm/ftrace.h b/arch/ia64/include/asm/ftrace.h
index d20db3c2a656..fbd1a2470cae 100644
--- a/arch/ia64/include/asm/ftrace.h
+++ b/arch/ia64/include/asm/ftrace.h
@@ -8,7 +8,6 @@
 extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
 #define mcount _mcount
 
-#include <asm/kprobes.h>
 /* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
 #define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
 #define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
diff --git a/arch/ia64/include/asm/kprobes.h b/arch/ia64/include/asm/kprobes.h
index dbf83fb28db3..d5505d6f2382 100644
--- a/arch/ia64/include/asm/kprobes.h
+++ b/arch/ia64/include/asm/kprobes.h
@@ -103,11 +103,6 @@ typedef struct kprobe_opcode {
         bundle_t bundle;
 } kprobe_opcode_t;
 
-struct fnptr {
-        unsigned long ip;
-        unsigned long gp;
-};
-
 /* Architecture specific copy of original instruction*/
 struct arch_specific_insn {
         /* copy of the instruction to be emulated */
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index 85d965cb19a0..23cce999eb1c 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -74,7 +74,7 @@ struct ia64_tr_entry {
 extern int ia64_itr_entry(u64 target_mask, u64 va, u64 pte, u64 log_size);
 extern void ia64_ptr_entry(u64 target_mask, int slot);
 
-extern struct ia64_tr_entry __per_cpu_idtrs[NR_CPUS][2][IA64_TR_ALLOC_MAX];
+extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
 
 /*
  region register macros
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index 3ddb4e709dba..d323071d0f91 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -33,7 +33,9 @@
 /*
  * Returns a bitmask of CPUs on Node 'node'.
  */
-#define cpumask_of_node(node) (&node_to_cpu_mask[node])
+#define cpumask_of_node(node) ((node) == -1 ?                           \
+                               cpu_all_mask :                           \
+                               &node_to_cpu_mask[node])
 
 /*
  * Returns the number of the node containing Node 'nid'.
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index bcd260e597de..93773fd37be0 100644
--- a/arch/ia64/include/asm/types.h
+++ b/arch/ia64/include/asm/types.h
@@ -35,6 +35,11 @@ typedef unsigned int umode_t;
  */
 # ifdef __KERNEL__
 
+struct fnptr {
+        unsigned long ip;
+        unsigned long gp;
+};
+
 /* DMA addresses are 64-bits wide, in general.  */
 typedef u64 dma_addr_t;
 
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 32f2639e9b0a..378b4833024f 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1225,9 +1225,12 @@ static void mca_insert_tr(u64 iord)
         unsigned long psr;
         int cpu = smp_processor_id();
 
+        if (!ia64_idtrs[cpu])
+                return;
+
         psr = ia64_clear_ic();
         for (i = IA64_TR_ALLOC_BASE; i < IA64_TR_ALLOC_MAX; i++) {
-                p = &__per_cpu_idtrs[cpu][iord-1][i];
+                p = ia64_idtrs[cpu] + (iord - 1) * IA64_TR_ALLOC_MAX;
                 if (p->pte & 0x1) {
                         old_rr = ia64_get_rr(p->ifa);
                         if (old_rr != p->rr) {
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 5246285a95fb..6bcbe215b9a4 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2293,7 +2293,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
          * if ((mm->total_vm << PAGE_SHIFT) + len> task->rlim[RLIMIT_AS].rlim_cur)
          *      return -ENOMEM;
          */
-        if (size > task->signal->rlim[RLIMIT_MEMLOCK].rlim_cur)
+        if (size > task_rlimit(task, RLIMIT_MEMLOCK))
                 return -ENOMEM;
 
         /*
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index 360724d3ae69..988911b4cc7a 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -388,6 +388,9 @@ static inline u64 __gpfn_is_io(u64 gpfn)
 #define _vmm_raw_spin_lock(x)    do {}while(0)
 #define _vmm_raw_spin_unlock(x) do {}while(0)
 #else
+typedef struct {
+        volatile unsigned int lock;
+} vmm_spinlock_t;
 #define _vmm_raw_spin_lock(x)                                           \
         do {                                                            \
                 __u32 *ia64_spinlock_ptr = (__u32 *) (x);               \
@@ -405,12 +408,12 @@ static inline u64 __gpfn_is_io(u64 gpfn)
 
 #define _vmm_raw_spin_unlock(x)                         \
         do { barrier();                         \
-                ((spinlock_t *)x)->raw_lock.lock = 0; } \
+                ((vmm_spinlock_t *)x)->lock = 0; } \
 while (0)
 #endif
 
-void vmm_spin_lock(spinlock_t *lock);
-void vmm_spin_unlock(spinlock_t *lock);
+void vmm_spin_lock(vmm_spinlock_t *lock);
+void vmm_spin_unlock(vmm_spinlock_t *lock);
 enum {
         I_TLB = 1,
         D_TLB = 2
diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c
index f4b4c899bb6c..7a62f75778c5 100644
--- a/arch/ia64/kvm/vmm.c
+++ b/arch/ia64/kvm/vmm.c
@@ -60,12 +60,12 @@ static void __exit kvm_vmm_exit(void)
         return ;
 }
 
-void vmm_spin_lock(spinlock_t *lock)
+void vmm_spin_lock(vmm_spinlock_t *lock)
 {
         _vmm_raw_spin_lock(lock);
 }
 
-void vmm_spin_unlock(spinlock_t *lock)
+void vmm_spin_unlock(vmm_spinlock_t *lock)
 {
         _vmm_raw_spin_unlock(lock);
 }
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 20b3852f7a6e..4332f7ee5203 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -182,7 +182,7 @@ void mark_pages_dirty(struct kvm_vcpu *v, u64 pte, u64 ps)
 {
         u64 i, dirty_pages = 1;
         u64 base_gfn = (pte&_PAGE_PPN_MASK) >> PAGE_SHIFT;
-        spinlock_t *lock = __kvm_va(v->arch.dirty_log_lock_pa);
+        vmm_spinlock_t *lock = __kvm_va(v->arch.dirty_log_lock_pa);
         void *dirty_bitmap = (void *)KVM_MEM_DIRTY_LOG_BASE;
 
         dirty_pages <<= ps <= PAGE_SHIFT ? 0 : ps - PAGE_SHIFT;
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index b9609c69343a..7c0d4814a68d 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -91,7 +91,7 @@ dma_mark_clean(void *addr, size_t size)
 inline void
 ia64_set_rbs_bot (void)
 {
-        unsigned long stack_size = current->signal->rlim[RLIMIT_STACK].rlim_max & -16;
+        unsigned long stack_size = rlimit_max(RLIMIT_STACK) & -16;
 
         if (stack_size > MAX_USER_STACK_SIZE)
                 stack_size = MAX_USER_STACK_SIZE;
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index ee09d261f2e6..f3de9d7a98b4 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -48,7 +48,7 @@ DEFINE_PER_CPU(u8, ia64_need_tlb_flush);
 DEFINE_PER_CPU(u8, ia64_tr_num);  /*Number of TR slots in current processor*/
 DEFINE_PER_CPU(u8, ia64_tr_used); /*Max Slot number used by kernel*/
 
-struct ia64_tr_entry __per_cpu_idtrs[NR_CPUS][2][IA64_TR_ALLOC_MAX];
+struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
 
 /*
  * Initializes the ia64_ctx.bitmap array based on max_ctx+1.
@@ -429,10 +429,16 @@ int ia64_itr_entry(u64 target_mask, u64 va, u64 pte, u64 log_size)
         struct ia64_tr_entry *p;
         int cpu = smp_processor_id();
 
+        if (!ia64_idtrs[cpu]) {
+                ia64_idtrs[cpu] = kmalloc(2 * IA64_TR_ALLOC_MAX *
+                                sizeof (struct ia64_tr_entry), GFP_KERNEL);
+                if (!ia64_idtrs[cpu])
+                        return -ENOMEM;
+        }
         r = -EINVAL;
         /*Check overlap with existing TR entries*/
         if (target_mask & 0x1) {
-                p = &__per_cpu_idtrs[cpu][0][0];
+                p = ia64_idtrs[cpu];
                 for (i = IA64_TR_ALLOC_BASE; i <= per_cpu(ia64_tr_used, cpu);
                                                                 i++, p++) {
                         if (p->pte & 0x1)
@@ -444,7 +450,7 @@ int ia64_itr_entry(u64 target_mask, u64 va, u64 pte, u64 log_size)
                 }
         }
         if (target_mask & 0x2) {
-                p = &__per_cpu_idtrs[cpu][1][0];
+                p = ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX;
                 for (i = IA64_TR_ALLOC_BASE; i <= per_cpu(ia64_tr_used, cpu);
                                                                 i++, p++) {
                         if (p->pte & 0x1)
@@ -459,16 +465,16 @@ int ia64_itr_entry(u64 target_mask, u64 va, u64 pte, u64 log_size)
         for (i = IA64_TR_ALLOC_BASE; i < per_cpu(ia64_tr_num, cpu); i++) {
                 switch (target_mask & 0x3) {
                 case 1:
-                        if (!(__per_cpu_idtrs[cpu][0][i].pte & 0x1))
+                        if (!((ia64_idtrs[cpu] + i)->pte & 0x1))
                                 goto found;
                         continue;
                 case 2:
-                        if (!(__per_cpu_idtrs[cpu][1][i].pte & 0x1))
+                        if (!((ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX + i)->pte & 0x1))
                                 goto found;
                         continue;
                 case 3:
-                        if (!(__per_cpu_idtrs[cpu][0][i].pte & 0x1) &&
-                                !(__per_cpu_idtrs[cpu][1][i].pte & 0x1))
+                        if (!((ia64_idtrs[cpu] + i)->pte & 0x1) &&
+                            !((ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX + i)->pte & 0x1))
                                 goto found;
                         continue;
                 default:
@@ -488,7 +494,7 @@ found:
         if (target_mask & 0x1) {
                 ia64_itr(0x1, i, va, pte, log_size);
                 ia64_srlz_i();
-                p = &__per_cpu_idtrs[cpu][0][i];
+                p = ia64_idtrs[cpu] + i;
                 p->ifa = va;
                 p->pte = pte;
                 p->itir = log_size << 2;
@@ -497,7 +503,7 @@ found:
         if (target_mask & 0x2) {
                 ia64_itr(0x2, i, va, pte, log_size);
                 ia64_srlz_i();
-                p = &__per_cpu_idtrs[cpu][1][i];
+                p = ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX + i;
                 p->ifa = va;
                 p->pte = pte;
                 p->itir = log_size << 2;
@@ -528,7 +534,7 @@ void ia64_ptr_entry(u64 target_mask, int slot)
                 return;
 
         if (target_mask & 0x1) {
-                p = &__per_cpu_idtrs[cpu][0][slot];
+                p = ia64_idtrs[cpu] + slot;
                 if ((p->pte&0x1) && is_tr_overlap(p, p->ifa, p->itir>>2)) {
                         p->pte = 0;
                         ia64_ptr(0x1, p->ifa, p->itir>>2);
@@ -537,7 +543,7 @@ void ia64_ptr_entry(u64 target_mask, int slot)
         }
 
         if (target_mask & 0x2) {
-                p = &__per_cpu_idtrs[cpu][1][slot];
+                p = ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX + slot;
                 if ((p->pte & 0x1) && is_tr_overlap(p, p->ifa, p->itir>>2)) {
                         p->pte = 0;
                         ia64_ptr(0x2, p->ifa, p->itir>>2);
@@ -546,8 +552,8 @@ void ia64_ptr_entry(u64 target_mask, int slot)
         }
 
         for (i = per_cpu(ia64_tr_used, cpu); i >= IA64_TR_ALLOC_BASE; i--) {
-                if ((__per_cpu_idtrs[cpu][0][i].pte & 0x1) ||
-                                (__per_cpu_idtrs[cpu][1][i].pte & 0x1))
+                if (((ia64_idtrs[cpu] + i)->pte & 0x1) ||
+                    ((ia64_idtrs[cpu] + IA64_TR_ALLOC_MAX + i)->pte & 0x1))
                         break;
         }
         per_cpu(ia64_tr_used, cpu) = i;
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 9e8d00389eef..1651942f7feb 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -424,7 +424,7 @@ void __init mem_init(void)
                reservedpages << (PAGE_SHIFT-10),
                datasize >> 10,
                initsize >> 10,
-               (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+               totalhigh_pages << (PAGE_SHIFT-10));
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index f61c164d1e67..bc1297109cc5 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -505,5 +505,5 @@ void __init mem_init(void)
                (num_physpages - tmp) << (PAGE_SHIFT-10),
                datasize >> 10,
                initsize >> 10,
-               (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+               totalhigh_pages << (PAGE_SHIFT-10));
 }
diff --git a/arch/mn10300/Makefile b/arch/mn10300/Makefile
index dd0c8ff52a68..ac5c6bdb2f05 100644
--- a/arch/mn10300/Makefile
+++ b/arch/mn10300/Makefile
@@ -19,7 +19,7 @@ CCDIR	:= $(strip $(patsubst %/specs,%,$(CCSPECS)))
 KBUILD_CPPFLAGS += -nostdinc -I$(CCDIR)/include
 
 LDFLAGS         :=
-OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
+OBJCOPYFLAGS    := -O binary -R .note -R .comment -R .GCC-command-line -R .note.gnu.build-id -S
 #LDFLAGS_vmlinux := -Map linkmap.txt
 CHECKFLAGS      +=
 
diff --git a/arch/mn10300/configs/asb2303_defconfig b/arch/mn10300/configs/asb2303_defconfig
index 3acce23708b0..441920d8ff58 100644
--- a/arch/mn10300/configs/asb2303_defconfig
+++ b/arch/mn10300/configs/asb2303_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc2
-# Sat Apr 18 11:13:22 2009
+# Linux kernel version: 2.6.33-rc1
+# Tue Dec 22 19:26:25 2009
 #
 CONFIG_MN10300=y
 CONFIG_AM33=y
@@ -22,6 +22,7 @@ CONFIG_GENERIC_HARDIRQS=y
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_HZ=1000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -43,11 +44,10 @@ CONFIG_BSD_PROCESS_ACCT=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
 # CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_PREEMPT_RCU is not set
+CONFIG_TINY_RCU=y
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_GROUP_SCHED is not set
@@ -62,7 +62,6 @@ CONFIG_ANON_INODES=y
 CONFIG_EMBEDDED=y
 CONFIG_SYSCTL_SYSCALL=y
 # CONFIG_KALLSYMS is not set
-CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_HOTPLUG is not set
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -75,14 +74,22 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 # CONFIG_VM_EVENT_COUNTERS is not set
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+
+#
+# GCOV-based kernel profiling
+#
 # CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
@@ -90,6 +97,35 @@ CONFIG_RT_MUTEXES=y
 CONFIG_BASE_SMALL=0
 # CONFIG_MODULES is not set
 # CONFIG_BLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -145,9 +181,8 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=1
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 
 #
 # Power management options
@@ -202,6 +237,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -216,6 +252,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -341,7 +378,6 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_NETDEVICES=y
-CONFIG_COMPAT_NET_DEV_OPS=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -362,14 +398,11 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+# CONFIG_WLAN is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -430,11 +463,15 @@ CONFIG_RTC=y
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
 
@@ -451,22 +488,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -490,11 +512,17 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
 # File systems
 #
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -539,6 +567,7 @@ CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
@@ -561,13 +590,13 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_STRIP_ASM_SYMS=y
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_MEMORY_INIT is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_SAMPLES is not set
 
@@ -577,7 +606,11 @@ CONFIG_MAGIC_SYSRQ=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 # CONFIG_CRYPTO is not set
 # CONFIG_BINARY_PRINTF is not set
 
diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h
index 0b610f482abb..f49ac49e09ad 100644
--- a/arch/mn10300/include/asm/bitops.h
+++ b/arch/mn10300/include/asm/bitops.h
@@ -165,7 +165,7 @@ static inline __attribute__((const))
 unsigned long __ffs(unsigned long x)
 {
         int bit;
-        asm("bsch %2,%0" : "=r"(bit) : "0"(0), "r"(x & -x));
+        asm("bsch %2,%0" : "=r"(bit) : "0"(0), "r"(x & -x) : "cc");
         return bit;
 }
 
@@ -177,7 +177,7 @@ static inline __attribute__((const))
 int __ilog2_u32(u32 n)
 {
         int bit;
-        asm("bsch %2,%0" : "=r"(bit) : "0"(0), "r"(n));
+        asm("bsch %2,%0" : "=r"(bit) : "0"(0), "r"(n) : "cc");
         return bit;
 }
 
diff --git a/arch/mn10300/include/asm/div64.h b/arch/mn10300/include/asm/div64.h
index 3a8329b3e869..34dcb8e68309 100644
--- a/arch/mn10300/include/asm/div64.h
+++ b/arch/mn10300/include/asm/div64.h
@@ -72,6 +72,7 @@ unsigned __muldiv64u(unsigned val, unsigned mult, unsigned div)
                                          * MDR = MDR:val%div */
             : "=r"(result)
             : "0"(val), "ir"(mult), "r"(div)
+            : "cc"
             );
 
         return result;
@@ -92,6 +93,7 @@ signed __muldiv64s(signed val, signed mult, signed div)
                                          * MDR = MDR:val%div */
             : "=r"(result)
             : "0"(val), "ir"(mult), "r"(div)
+            : "cc"
             );
 
         return result;
diff --git a/arch/mn10300/include/asm/system.h b/arch/mn10300/include/asm/system.h
index 8214fb7e7fe4..3636c054dcd5 100644
--- a/arch/mn10300/include/asm/system.h
+++ b/arch/mn10300/include/asm/system.h
@@ -143,6 +143,7 @@ do {									\
                 "       mov     %0,epsw         \n"                     \
                 : "=&d"(tmp)                                            \
                 : "i"(~EPSW_IM), "r"(__mn10300_irq_enabled_epsw)        \
+                : "cc"                                                  \
                 );                                                      \
 } while (0)
 
diff --git a/arch/mn10300/include/asm/tlbflush.h b/arch/mn10300/include/asm/tlbflush.h
index e0239865abcb..1a7e29281c5d 100644
--- a/arch/mn10300/include/asm/tlbflush.h
+++ b/arch/mn10300/include/asm/tlbflush.h
@@ -22,7 +22,7 @@ do {								\
                  "      mov %0,%1               \n"             \
                  : "=d"(w)                                      \
                  : "m"(MMUCTR), "i"(MMUCTR_IIV|MMUCTR_DIV)      \
-                 : "memory"                                     \
+                 : "cc", "memory"                               \
                  );                                             \
 } while (0)
 
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 167e10ff06d9..197a7af3dd8a 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -316,7 +316,7 @@ do {									\
                         "       .previous\n"                            \
                         : "=a"(__from), "=a"(__to), "=r"(size), "=&r"(w)\
                         : "0"(__from), "1"(__to), "2"(size)             \
-                        : "memory");                                    \
+                        : "cc", "memory");                              \
         }                                                               \
 } while (0)
 
@@ -352,7 +352,7 @@ do {									\
                         "       .previous\n"                            \
                         : "=a"(__from), "=a"(__to), "=r"(size), "=&r"(w)\
                         : "0"(__from), "1"(__to), "2"(size)             \
-                        : "memory");                                    \
+                        : "cc", "memory");                              \
         }                                                               \
 } while (0)
 
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 2a983931c11f..c05acb95c2a9 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -348,10 +348,11 @@
 #define __NR_pwritev            335
 #define __NR_rt_tgsigqueueinfo  336
 #define __NR_perf_event_open    337
+#define __NR_recvmmsg           338
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 338
+#define NR_syscalls 339
 
 /*
  * specify the deprecated syscalls we want to support on this arch
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index c9ee6c009d79..88e3e1c3cc21 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -724,6 +724,7 @@ ENTRY(sys_call_table)
         .long sys_pwritev               /* 335 */
         .long sys_rt_tgsigqueueinfo
         .long sys_perf_event_open
+        .long sys_recvmmsg
 
 
 nr_syscalls=(.-sys_call_table)/4
diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c
index 229b710fc5d5..ef34d5a0f8bd 100644
--- a/arch/mn10300/kernel/mn10300-serial.c
+++ b/arch/mn10300/kernel/mn10300-serial.c
@@ -380,7 +380,8 @@ static int mask_test_and_clear(volatile u8 *ptr, u8 mask)
         u32 epsw;
         asm volatile("  bclr    %1,(%2)         \n"
                      "  mov     epsw,%0         \n"
-                     : "=d"(epsw) : "d"(mask), "a"(ptr));
+                     : "=d"(epsw) : "d"(mask), "a"(ptr)
+                     : "cc", "memory");
         return !(epsw & EPSW_FLAG_Z);
 }
 
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index a21f43bc68e2..717db14c2cc3 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -264,7 +264,7 @@ static inline void __user *get_sigframe(struct k_sigaction *ka,
 
         /* this is the X/Open sanctioned signal stack switching.  */
         if (ka->sa.sa_flags & SA_ONSTACK) {
-                if (!on_sig_stack(sp))
+                if (sas_ss_flags(sp) == 0)
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
 
diff --git a/arch/mn10300/lib/checksum.c b/arch/mn10300/lib/checksum.c
index 274f29ec33c1..b6580f5d89ee 100644
--- a/arch/mn10300/lib/checksum.c
+++ b/arch/mn10300/lib/checksum.c
@@ -22,6 +22,7 @@ static inline unsigned short from32to16(__wsum sum)
             "   addc    0xffff,%0       \n"
             : "=r" (sum)
             : "r" (sum << 16), "0" (sum & 0xffff0000)
+            : "cc"
             );
         return sum >> 16;
 }
diff --git a/arch/mn10300/lib/delay.c b/arch/mn10300/lib/delay.c
index cce66bc0822d..fdf6f710f94e 100644
--- a/arch/mn10300/lib/delay.c
+++ b/arch/mn10300/lib/delay.c
@@ -28,7 +28,8 @@ void __delay(unsigned long loops)
                 "2:     add     -1,%0   \n"
                 "       bne     2b      \n"
                 : "=&d" (d0)
-                : "0" (loops));
+                : "0" (loops)
+                : "cc");
 }
 EXPORT_SYMBOL(__delay);
 
diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c
index a75b203059c1..7826e6c364e7 100644
--- a/arch/mn10300/lib/usercopy.c
+++ b/arch/mn10300/lib/usercopy.c
@@ -62,7 +62,7 @@ do {								\
                 "       .previous"                              \
                 :"=&r"(res), "=r"(count), "=&r"(w)              \
                 :"i"(-EFAULT), "1"(count), "a"(src), "a"(dst)   \
-                :"memory");                                     \
+                : "memory", "cc");                                      \
 } while (0)
 
 long
@@ -109,7 +109,7 @@ do {						\
                 ".previous\n"                   \
                 : "+r"(size), "=&r"(w)          \
                 : "a"(addr), "d"(0)             \
-                : "memory");                    \
+                : "memory", "cc");              \
 } while (0)
 
 unsigned long
@@ -161,6 +161,6 @@ long strnlen_user(const char *s, long n)
                 ".previous\n"
                 :"=d"(res), "=&r"(w)
                 :"0"(0), "a"(s), "r"(n)
-                :"memory");
+                : "memory", "cc");
         return res;
 }
diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c
index f3649d8f50e3..ee82d624b3c6 100644
--- a/arch/mn10300/mm/dma-alloc.c
+++ b/arch/mn10300/mm/dma-alloc.c
@@ -16,12 +16,24 @@
 #include <linux/pci.h>
 #include <asm/io.h>
 
+static unsigned long pci_sram_allocated = 0xbc000000;
+
 void *dma_alloc_coherent(struct device *dev, size_t size,
                          dma_addr_t *dma_handle, int gfp)
 {
         unsigned long addr;
         void *ret;
 
+        printk("dma_alloc_coherent(%s,%zu,,%x)\n", dev_name(dev), size, gfp);
+
+        if (0xbe000000 - pci_sram_allocated >= size) {
+                size = (size + 255) & ~255;
+                addr = pci_sram_allocated;
+                pci_sram_allocated += size;
+                ret = (void *) addr;
+                goto done;
+        }
+
         /* ignore region specifiers */
         gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
 
@@ -41,7 +53,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
         /* write back and evict all cache lines covering this region */
         mn10300_dcache_flush_inv_range2(virt_to_phys((void *) addr), PAGE_SIZE);
 
+done:
         *dma_handle = virt_to_bus((void *) addr);
+        printk("dma_alloc_coherent() = %p [%x]\n", ret, *dma_handle);
         return ret;
 }
 EXPORT_SYMBOL(dma_alloc_coherent);
@@ -51,6 +65,9 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 {
         unsigned long addr = (unsigned long) vaddr & ~0x20000000;
 
+        if (addr >= 0x9c000000)
+                return;
+
         free_pages(addr, get_order(size));
 }
 EXPORT_SYMBOL(dma_free_coherent);
diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
index ec1420562dc7..dd27a9a35152 100644
--- a/arch/mn10300/mm/init.c
+++ b/arch/mn10300/mm/init.c
@@ -118,8 +118,7 @@ void __init mem_init(void)
                reservedpages << (PAGE_SHIFT - 10),
                datasize >> 10,
                initsize >> 10,
-               (unsigned long) (totalhigh_pages << (PAGE_SHIFT - 10))
-               );
+               totalhigh_pages << (PAGE_SHIFT - 10));
 }
 
 /*
diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c
index 30016251f658..6dffbf97ac26 100644
--- a/arch/mn10300/mm/misalignment.c
+++ b/arch/mn10300/mm/misalignment.c
@@ -633,13 +633,13 @@ static int misalignment_addr(unsigned long *registers, unsigned long sp,
                         goto displace_or_inc;
                 case SD24:
                         tmp = disp << 8;
-                        asm("asr 8,%0" : "=r"(tmp) : "0"(tmp));
+                        asm("asr 8,%0" : "=r"(tmp) : "0"(tmp) : "cc");
                         disp = (long) tmp;
                         goto displace_or_inc;
                 case SIMM4_2:
                         tmp = opcode >> 4 & 0x0f;
                         tmp <<= 28;
-                        asm("asr 28,%0" : "=r"(tmp) : "0"(tmp));
+                        asm("asr 28,%0" : "=r"(tmp) : "0"(tmp) : "cc");
                         disp = (long) tmp;
                         goto displace_or_inc;
                 case IMM8:
diff --git a/arch/mn10300/unit-asb2305/include/unit/serial.h b/arch/mn10300/unit-asb2305/include/unit/serial.h
index 3bfc90938787..8086cc092cec 100644
--- a/arch/mn10300/unit-asb2305/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2305/include/unit/serial.h
@@ -11,7 +11,7 @@
 #ifndef _ASM_UNIT_SERIAL_H
 #define _ASM_UNIT_SERIAL_H
 
-#include <asm/cpu/cpu-regs.h>
+#include <asm/cpu-regs.h>
 #include <proc/irq.h>
 #include <linux/serial_reg.h>
 
diff --git a/arch/mn10300/unit-asb2305/include/unit/timex.h b/arch/mn10300/unit-asb2305/include/unit/timex.h
index a71c49aa85eb..d1c72d59fa9f 100644
--- a/arch/mn10300/unit-asb2305/include/unit/timex.h
+++ b/arch/mn10300/unit-asb2305/include/unit/timex.h
@@ -15,7 +15,7 @@
 #include <linux/irq.h>
 #endif /* __ASSEMBLY__ */
 
-#include <asm/cpu/timer-regs.h>
+#include <asm/timer-regs.h>
 #include <unit/clock.h>
 
 /*
diff --git a/arch/mn10300/unit-asb2305/leds.c b/arch/mn10300/unit-asb2305/leds.c
index d345ff9042d5..6f8de9954026 100644
--- a/arch/mn10300/unit-asb2305/leds.c
+++ b/arch/mn10300/unit-asb2305/leds.c
@@ -13,8 +13,8 @@
 #include <linux/init.h>
 #include <asm/io.h>
 #include <asm/processor.h>
-#include <asm/cpu/intctl-regs.h>
-#include <asm/cpu/rtc-regs.h>
+#include <asm/intctl-regs.h>
+#include <asm/rtc-regs.h>
 #include <unit/leds.h>
 
 static const u8 asb2305_led_hex_tbl[16] = {
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index d100ca788468..78cd134ddf7d 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -218,45 +218,6 @@ void __init pcibios_resource_survey(void)
         pcibios_allocate_resources(1);
 }
 
-int pcibios_enable_resources(struct pci_dev *dev, int mask)
-{
-        u16 cmd, old_cmd;
-        int idx;
-        struct resource *r;
-
-        pci_read_config_word(dev, PCI_COMMAND, &cmd);
-        old_cmd = cmd;
-
-        for (idx = 0; idx < 6; idx++) {
-                /* Only set up the requested stuff */
-                if (!(mask & (1 << idx)))
-                        continue;
-
-                r = &dev->resource[idx];
-
-                if (!r->start && r->end) {
-                        printk(KERN_ERR
-                               "PCI: Device %s not available because of"
-                               " resource collisions\n",
-                               pci_name(dev));
-                        return -EINVAL;
-                }
-
-                if (r->flags & IORESOURCE_IO)
-                        cmd |= PCI_COMMAND_IO;
-                if (r->flags & IORESOURCE_MEM)
-                        cmd |= PCI_COMMAND_MEMORY;
-        }
-
-        if (dev->resource[PCI_ROM_RESOURCE].start)
-                cmd |= PCI_COMMAND_MEMORY;
-
-        if (cmd != old_cmd)
-                pci_write_config_word(dev, PCI_COMMAND, cmd);
-
-        return 0;
-}
-
 /*
  *  If we set up a device for bus mastering, we need to check the latency
  *  timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h
index 9763d1ce343a..c3fa294b6e28 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.h
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.h
@@ -34,7 +34,6 @@ extern unsigned int pci_probe;
 extern unsigned int pcibios_max_latency;
 
 extern void pcibios_resource_survey(void);
-extern int pcibios_enable_resources(struct pci_dev *dev, int mask);
 
 /* pci.c */
 
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c
index 07dbbcda3b2e..2cb7e75ba1c0 100644
--- a/arch/mn10300/unit-asb2305/pci.c
+++ b/arch/mn10300/unit-asb2305/pci.c
@@ -27,6 +27,29 @@ struct pci_bus *pci_root_bus;
 struct pci_ops *pci_root_ops;
 
 /*
+ * The accessible PCI window does not cover the entire CPU address space, but
+ * there are devices we want to access outside of that window, so we need to
+ * insert specific PCI bus resources instead of using the platform-level bus
+ * resources directly for the PCI root bus.
+ *
+ * These are configured and inserted by pcibios_init() and are attached to the
+ * root bus by pcibios_fixup_bus().
+ */
+static struct resource pci_ioport_resource = {
+        .name   = "PCI IO",
+        .start  = 0xbe000000,
+        .end    = 0xbe03ffff,
+        .flags  = IORESOURCE_IO,
+};
+
+static struct resource pci_iomem_resource = {
+        .name   = "PCI mem",
+        .start  = 0xb8000000,
+        .end    = 0xbbffffff,
+        .flags  = IORESOURCE_MEM,
+};
+
+/*
  * Functions for accessing PCI configuration space
  */
 
@@ -279,7 +302,7 @@ static int __init pci_sanity_check(struct pci_ops *o)
              (x == PCI_VENDOR_ID_INTEL || x == PCI_VENDOR_ID_COMPAQ)))
                 return 1;
 
-        printk(KERN_ERROR "PCI: Sanity check failed\n");
+        printk(KERN_ERR "PCI: Sanity check failed\n");
         return 0;
 }
 
@@ -297,6 +320,7 @@ static int __init pci_check_direct(void)
                 printk(KERN_INFO "PCI: Using configuration ampci\n");
                 request_mem_region(0xBE040000, 256, "AMPCI bridge");
                 request_mem_region(0xBFFFFFF4, 12, "PCI ampci");
+                request_mem_region(0xBC000000, 32 * 1024 * 1024, "PCI SRAM");
                 return 0;
         }
 
@@ -358,6 +382,11 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 {
         struct pci_dev *dev;
 
+        if (bus->number == 0) {
+                bus->resource[0] = &pci_ioport_resource;
+                bus->resource[1] = &pci_iomem_resource;
+        }
+
         if (bus->self) {
                 pci_read_bridge_bases(bus);
                 pcibios_fixup_device_resources(bus->self);
@@ -380,6 +409,11 @@ static int __init pcibios_init(void)
         iomem_resource.start    = 0xA0000000;
         iomem_resource.end      = 0xDFFFFFFF;
 
+        if (insert_resource(&iomem_resource, &pci_iomem_resource) < 0)
+                panic("Unable to insert PCI IOMEM resource\n");
+        if (insert_resource(&ioport_resource, &pci_ioport_resource) < 0)
+                panic("Unable to insert PCI IOPORT resource\n");
+
         if (!pci_probe)
                 return 0;
 
@@ -391,32 +425,11 @@ static int __init pcibios_init(void)
         printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n",
                MEM_PAGING_REG);
 
-        {
-#if 0
-                static struct pci_bus am33_root_bus = {
-                        .children  = LIST_HEAD_INIT(am33_root_bus.children),
-                        .devices   = LIST_HEAD_INIT(am33_root_bus.devices),
-                        .number    = 0,
-                        .secondary = 0,
-                        .resource = { &ioport_resource, &iomem_resource },
-                };
-
-                am33_root_bus.ops = pci_root_ops;
-                list_add_tail(&am33_root_bus.node, &pci_root_buses);
-
-                am33_root_bus.subordinate = pci_do_scan_bus(0);
-
-                pci_root_bus = &am33_root_bus;
-#else
-                pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
-#endif
-        }
+        pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
 
         pcibios_irq_init();
         pcibios_fixup_irqs();
-#if 0
         pcibios_resource_survey();
-#endif
         return 0;
 }
 
@@ -440,7 +453,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 {
         int err;
 
-        err = pcibios_enable_resources(dev, mask);
+        err = pci_enable_resources(dev, mask);
         if (err == 0)
                 pcibios_enable_irq(dev);
         return err;
@@ -455,6 +468,7 @@ static void __init unit_disable_pcnet(struct pci_bus *bus, struct pci_ops *o)
 
         bus->number = 0;
 
+        o->read (bus, PCI_DEVFN(2, 0), PCI_VENDOR_ID,           4, &x);
         o->read (bus, PCI_DEVFN(2, 0), PCI_COMMAND,             2, &x);
         x |= PCI_COMMAND_MASTER |
                 PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c
index 1c452cc3f6e9..a76c8e0ab90f 100644
--- a/arch/mn10300/unit-asb2305/unit-init.c
+++ b/arch/mn10300/unit-asb2305/unit-init.c
@@ -15,9 +15,8 @@
 #include <asm/io.h>
 #include <asm/setup.h>
 #include <asm/processor.h>
-#include <asm/cpu/intctl-regs.h>
-#include <asm/cpu/rtc-regs.h>
-#include <asm/cpu/serial-regs.h>
+#include <asm/intctl-regs.h>
+#include <asm/serial-regs.h>
 #include <unit/serial.h>
 
 /*
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index bb2465bcb327..826a30a00f59 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -20,7 +20,7 @@
 all: $(obj)/zImage
 
 BOOTCFLAGS    := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-                 -fno-strict-aliasing -Os -msoft-float -pipe \
+                 -fno-strict-aliasing -Os -msoft-float -pipe -D__KERNEL__\
                  -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
                  -isystem $(shell $(CROSS32CC) -print-file-name=include)
 BOOTAFLAGS      := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
@@ -34,6 +34,8 @@ BOOTCFLAGS	+= -fno-stack-protector
 endif
 
 BOOTCFLAGS      += -I$(obj) -I$(srctree)/$(obj)
+BOOTCFLAGS      += -include include/linux/autoconf.h -Iarch/powerpc/include
+BOOTCFLAGS      += -Iinclude
 
 DTS_FLAGS       ?= -p 1024
 
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index e8dfdbd9327a..cadbed679fbb 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1107,6 +1107,12 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
         list_for_each_entry(dev, &bus->devices, bus_list) {
                 struct dev_archdata *sd = &dev->dev.archdata;
 
+                /* Cardbus can call us to add new devices to a bus, so ignore
+                 * those who are already fully discovered
+                 */
+                if (dev->is_added)
+                        continue;
+
                 /* Setup OF node pointer in archdata */
                 sd->of_node = pci_device_to_OF_node(dev);
 
@@ -1147,6 +1153,13 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 }
 EXPORT_SYMBOL(pcibios_fixup_bus);
 
+void __devinit pci_fixup_cardbus(struct pci_bus *bus)
+{
+        /* Now fixup devices on that bus */
+        pcibios_setup_bus_devices(bus);
+}
+
+
 static int skip_isa_ioresource_align(struct pci_dev *dev)
 {
         if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) &&
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 5598f88f142e..e4beeb371a73 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -390,6 +390,26 @@ static void kvmppc_mmu_book3s_64_mtsrin(struct kvm_vcpu *vcpu, u32 srnum,
 {
         u64 rb = 0, rs = 0;
 
+        /*
+         * According to Book3 2.01 mtsrin is implemented as:
+         *
+         * The SLB entry specified by (RB)32:35 is loaded from register
+         * RS, as follows.
+         *
+         * SLBE Bit     Source                  SLB Field
+         *
+         * 0:31         0x0000_0000             ESID-0:31
+         * 32:35        (RB)32:35               ESID-32:35
+         * 36           0b1                     V
+         * 37:61        0x00_0000|| 0b0         VSID-0:24
+         * 62:88        (RS)37:63               VSID-25:51
+         * 89:91        (RS)33:35               Ks Kp N
+         * 92           (RS)36                  L ((RS)36 must be 0b0)
+         * 93           0b0                     C
+         */
+
+        dprintk("KVM MMU: mtsrin(0x%x, 0x%lx)\n", srnum, value);
+
         /* ESID = srnum */
         rb |= (srnum & 0xf) << 28;
         /* Set the valid bit */
@@ -400,7 +420,7 @@ static void kvmppc_mmu_book3s_64_mtsrin(struct kvm_vcpu *vcpu, u32 srnum,
         /* VSID = VSID */
         rs |= (value & 0xfffffff) << 12;
         /* flags = flags */
-        rs |= ((value >> 27) & 0xf) << 9;
+        rs |= ((value >> 28) & 0x7) << 9;
 
         kvmppc_mmu_book3s_64_slbmte(vcpu, rs, rb);
 }
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index f4e53c6708dc..b416aa11b91e 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31
-# Tue Sep 22 17:43:13 2009
+# Linux kernel version: 2.6.33-rc2
+# Mon Jan  4 09:03:07 2010
 #
 CONFIG_SCHED_MC=y
 CONFIG_MMU=y
@@ -51,6 +51,7 @@ CONFIG_AUDIT=y
 #
 CONFIG_TREE_RCU=y
 # CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
 # CONFIG_RCU_TRACE is not set
 CONFIG_RCU_FANOUT=64
 # CONFIG_RCU_FANOUT_EXACT is not set
@@ -113,7 +114,6 @@ CONFIG_HAVE_PERF_EVENTS=y
 # CONFIG_PERF_EVENTS is not set
 # CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
@@ -149,21 +149,78 @@ CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 CONFIG_BLK_DEV_BSG=y
 # CONFIG_BLK_DEV_INTEGRITY is not set
+# CONFIG_BLK_CGROUP is not set
 CONFIG_BLOCK_COMPAT=y
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
+# CONFIG_CFQ_GROUP_IOSCHED is not set
 CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
 CONFIG_PREEMPT_NOTIFIERS=y
+CONFIG_ARCH_INLINE_SPIN_TRYLOCK=y
+CONFIG_ARCH_INLINE_SPIN_TRYLOCK_BH=y
+CONFIG_ARCH_INLINE_SPIN_LOCK=y
+CONFIG_ARCH_INLINE_SPIN_LOCK_BH=y
+CONFIG_ARCH_INLINE_SPIN_LOCK_IRQ=y
+CONFIG_ARCH_INLINE_SPIN_LOCK_IRQSAVE=y
+CONFIG_ARCH_INLINE_SPIN_UNLOCK=y
+CONFIG_ARCH_INLINE_SPIN_UNLOCK_BH=y
+CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQ=y
+CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE=y
+CONFIG_ARCH_INLINE_READ_TRYLOCK=y
+CONFIG_ARCH_INLINE_READ_LOCK=y
+CONFIG_ARCH_INLINE_READ_LOCK_BH=y
+CONFIG_ARCH_INLINE_READ_LOCK_IRQ=y
+CONFIG_ARCH_INLINE_READ_LOCK_IRQSAVE=y
+CONFIG_ARCH_INLINE_READ_UNLOCK=y
+CONFIG_ARCH_INLINE_READ_UNLOCK_BH=y
+CONFIG_ARCH_INLINE_READ_UNLOCK_IRQ=y
+CONFIG_ARCH_INLINE_READ_UNLOCK_IRQRESTORE=y
+CONFIG_ARCH_INLINE_WRITE_TRYLOCK=y
+CONFIG_ARCH_INLINE_WRITE_LOCK=y
+CONFIG_ARCH_INLINE_WRITE_LOCK_BH=y
+CONFIG_ARCH_INLINE_WRITE_LOCK_IRQ=y
+CONFIG_ARCH_INLINE_WRITE_LOCK_IRQSAVE=y
+CONFIG_ARCH_INLINE_WRITE_UNLOCK=y
+CONFIG_ARCH_INLINE_WRITE_UNLOCK_BH=y
+CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQ=y
+CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE=y
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 CONFIG_FREEZER=y
 
 #
@@ -227,14 +284,13 @@ CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
 CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 CONFIG_MIGRATION=y
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 
 #
@@ -339,6 +395,7 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y
 CONFIG_INET6_XFRM_MODE_BEET=y
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 CONFIG_IPV6_SIT=y
+# CONFIG_IPV6_SIT_6RD is not set
 CONFIG_IPV6_NDISC_NODETYPE=y
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
@@ -504,6 +561,10 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=m
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_OSD is not set
 CONFIG_BLK_DEV_RAM=y
@@ -710,7 +771,6 @@ CONFIG_S390_VMUR=m
 # CONFIG_PPS is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEMSTICK is not set
@@ -864,6 +924,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
@@ -931,7 +992,6 @@ CONFIG_BRANCH_PROFILE_NONE=y
 CONFIG_SAMPLES=y
 # CONFIG_SAMPLE_KOBJECT is not set
 # CONFIG_SAMPLE_KPROBES is not set
-# CONFIG_KMEMCHECK is not set
 
 #
 # Security options
@@ -939,7 +999,11 @@ CONFIG_SAMPLES=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
diff --git a/arch/s390/include/asm/param.h b/arch/s390/include/asm/param.h
index 34aaa4603347..c616821bf2ac 100644
--- a/arch/s390/include/asm/param.h
+++ b/arch/s390/include/asm/param.h
@@ -1,30 +1,6 @@
-/*
- *  include/asm-s390/param.h
- *
- *  S390 version
- *
- *  Derived from "include/asm-i386/param.h"
- */
-
 #ifndef _ASMS390_PARAM_H
 #define _ASMS390_PARAM_H
 
-#ifdef __KERNEL__
-# define HZ             CONFIG_HZ       /* Internal kernel timer frequency */
-# define USER_HZ        100             /* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC (USER_HZ)       /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE   4096
-
-#ifndef NOGROUP
-#define NOGROUP         (-1)
-#endif
-
-#define MAXHOSTNAMELEN  64      /* max length of hostname */
+#include <asm-generic/param.h>
 
-#endif
+#endif /* _ASMS390_PARAM_H */
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
index 8c15b2c85d5a..dfaf458d6702 100644
--- a/arch/score/mm/init.c
+++ b/arch/score/mm/init.c
@@ -106,7 +106,7 @@ void __init mem_init(void)
                         ram << (PAGE_SHIFT-10), codesize >> 10,
                         reservedpages << (PAGE_SHIFT-10), datasize >> 10,
                         initsize >> 10,
-                        (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+                        totalhigh_pages << (PAGE_SHIFT-10));
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ae6c73689036..4eaf3401a15e 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -42,6 +42,8 @@ config SUPERH32
         select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
         select HAVE_FUNCTION_GRAPH_TRACER
         select HAVE_ARCH_KGDB
+        select HAVE_HW_BREAKPOINT
+        select PERF_EVENTS if HAVE_HW_BREAKPOINT
         select ARCH_HIBERNATION_POSSIBLE if MMU
 
 config SUPERH64
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index e121c30f797d..46cb93477bcb 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -1,6 +1,8 @@
 include include/asm-generic/Kbuild.asm
 
-header-y += cachectl.h cpu-features.h
+header-y += cachectl.h
+header-y += cpu-features.h
+header-y += hw_breakpoint.h
 
 unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h
index fb6bbb9b1cc8..06c4281aab65 100644
--- a/arch/sh/include/asm/fpu.h
+++ b/arch/sh/include/asm/fpu.h
@@ -2,8 +2,8 @@
 #define __ASM_SH_FPU_H
 
 #ifndef __ASSEMBLY__
-#include <linux/preempt.h>
-#include <asm/ptrace.h>
+
+struct task_struct;
 
 #ifdef CONFIG_SH_FPU
 static inline void release_fpu(struct pt_regs *regs)
@@ -16,22 +16,23 @@ static inline void grab_fpu(struct pt_regs *regs)
         regs->sr &= ~SR_FD;
 }
 
-struct task_struct;
-
 extern void save_fpu(struct task_struct *__tsk);
-void fpu_state_restore(struct pt_regs *regs);
+extern void restore_fpu(struct task_struct *__tsk);
+extern void fpu_state_restore(struct pt_regs *regs);
+extern void __fpu_state_restore(void);
 #else
-
-#define save_fpu(tsk)           do { } while (0)
-#define release_fpu(regs)       do { } while (0)
-#define grab_fpu(regs)          do { } while (0)
-#define fpu_state_restore(regs) do { } while (0)
-
+#define save_fpu(tsk)                   do { } while (0)
+#define restore_fpu(tsk)                do { } while (0)
+#define release_fpu(regs)               do { } while (0)
+#define grab_fpu(regs)                  do { } while (0)
+#define fpu_state_restore(regs)         do { } while (0)
+#define __fpu_state_restore(regs)       do { } while (0)
 #endif
 
 struct user_regset;
 
 extern int do_fpu_inst(unsigned short, struct pt_regs *);
+extern int init_fpu(struct task_struct *);
 
 extern int fpregs_get(struct task_struct *target,
                       const struct user_regset *regset,
@@ -65,18 +66,6 @@ static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs)
         preempt_enable();
 }
 
-static inline int init_fpu(struct task_struct *tsk)
-{
-        if (tsk_used_math(tsk)) {
-                if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current)
-                        unlazy_fpu(tsk, task_pt_regs(tsk));
-                return 0;
-        }
-
-        set_stopped_child_used_math(tsk);
-        return 0;
-}
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ASM_SH_FPU_H */
diff --git a/arch/sh/include/asm/hw_breakpoint.h b/arch/sh/include/asm/hw_breakpoint.h
new file mode 100644
index 000000000000..7295d6290249
--- /dev/null
+++ b/arch/sh/include/asm/hw_breakpoint.h
@@ -0,0 +1,67 @@
+#ifndef __ASM_SH_HW_BREAKPOINT_H
+#define __ASM_SH_HW_BREAKPOINT_H
+
+#include <linux/kdebug.h>
+#include <linux/types.h>
+
+#ifdef __KERNEL__
+#define __ARCH_HW_BREAKPOINT_H
+
+struct arch_hw_breakpoint {
+        char            *name; /* Contains name of the symbol to set bkpt */
+        unsigned long   address;
+        u16             len;
+        u16             type;
+};
+
+enum {
+        SH_BREAKPOINT_READ      = (1 << 1),
+        SH_BREAKPOINT_WRITE     = (1 << 2),
+        SH_BREAKPOINT_RW        = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE,
+
+        SH_BREAKPOINT_LEN_1     = (1 << 12),
+        SH_BREAKPOINT_LEN_2     = (1 << 13),
+        SH_BREAKPOINT_LEN_4     = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2,
+        SH_BREAKPOINT_LEN_8     = (1 << 14),
+};
+
+struct sh_ubc {
+        const char      *name;
+        unsigned int    num_events;
+        unsigned int    trap_nr;
+        void            (*enable)(struct arch_hw_breakpoint *, int);
+        void            (*disable)(struct arch_hw_breakpoint *, int);
+        void            (*enable_all)(unsigned long);
+        void            (*disable_all)(void);
+        unsigned long   (*active_mask)(void);
+        unsigned long   (*triggered_mask)(void);
+        void            (*clear_triggered_mask)(unsigned long);
+        struct clk      *clk;   /* optional interface clock / MSTP bit */
+};
+
+struct perf_event;
+struct task_struct;
+struct pmu;
+
+/* Maximum number of UBC channels */
+#define HBP_NUM         2
+
+/* arch/sh/kernel/hw_breakpoint.c */
+extern int arch_check_va_in_userspace(unsigned long va, u16 hbp_len);
+extern int arch_validate_hwbkpt_settings(struct perf_event *bp,
+                                         struct task_struct *tsk);
+extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
+                                           unsigned long val, void *data);
+
+int arch_install_hw_breakpoint(struct perf_event *bp);
+void arch_uninstall_hw_breakpoint(struct perf_event *bp);
+void hw_breakpoint_pmu_read(struct perf_event *bp);
+void hw_breakpoint_pmu_unthrottle(struct perf_event *bp);
+
+extern void arch_fill_perf_breakpoint(struct perf_event *bp);
+extern int register_sh_ubc(struct sh_ubc *);
+
+extern struct pmu perf_ops_bp;
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_HW_BREAKPOINT_H */
diff --git a/arch/sh/include/asm/kdebug.h b/arch/sh/include/asm/kdebug.h
index 985219f9759e..5f6d2e9ccb7c 100644
--- a/arch/sh/include/asm/kdebug.h
+++ b/arch/sh/include/asm/kdebug.h
@@ -6,6 +6,8 @@ enum die_val {
         DIE_TRAP,
         DIE_NMI,
         DIE_OOPS,
+        DIE_BREAKPOINT,
+        DIE_SSTEP,
 };
 
 #endif /* __ASM_SH_KDEBUG_H */
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 1f3d6fab660c..5fd83125fb89 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -14,6 +14,7 @@
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/ptrace.h>
+#include <asm/hw_breakpoint.h>
 
 /*
  * Default implementation of macro that returns current
@@ -90,48 +91,40 @@ struct sh_fpu_soft_struct {
         unsigned long entry_pc;
 };
 
-union sh_fpu_union {
-        struct sh_fpu_hard_struct hard;
-        struct sh_fpu_soft_struct soft;
+union thread_xstate {
+        struct sh_fpu_hard_struct hardfpu;
+        struct sh_fpu_soft_struct softfpu;
 };
 
+extern unsigned int xstate_size;
+extern void free_thread_xstate(struct task_struct *);
+extern struct kmem_cache *task_xstate_cachep;
+
 struct thread_struct {
         /* Saved registers when thread is descheduled */
         unsigned long sp;
         unsigned long pc;
 
-        /* Hardware debugging registers */
-        unsigned long ubc_pc;
-
-        /* floating point info */
-        union sh_fpu_union fpu;
+        /* Save middle states of ptrace breakpoints */
+        struct perf_event       *ptrace_bps[HBP_NUM];
 
 #ifdef CONFIG_SH_DSP
         /* Dsp status information */
         struct sh_dsp_struct dsp_status;
 #endif
-};
 
-/* Count of active tasks with UBC settings */
-extern int ubc_usercnt;
+        /* Extended processor state */
+        union thread_xstate *xstate;
+};
 
 #define INIT_THREAD  {                                          \
         .sp = sizeof(init_stack) + (long) &init_stack,          \
 }
 
-/*
- * Do necessary setup to start up a newly executed thread.
- */
-#define start_thread(_regs, new_pc, new_sp)      \
-        set_fs(USER_DS);                         \
-        _regs->pr = 0;                           \
-        _regs->sr = SR_FD;      /* User mode. */ \
-        _regs->pc = new_pc;                      \
-        _regs->regs[15] = new_sp
-
 /* Forward declaration, a strange C thing */
 struct task_struct;
-struct mm_struct;
+
+extern void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp);
 
 /* Free all resources held by a thread. */
 extern void release_thread(struct task_struct *);
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 1dc12cb44a2d..201d11ef211f 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -124,6 +124,12 @@ struct task_struct;
 extern void user_enable_single_step(struct task_struct *);
 extern void user_disable_single_step(struct task_struct *);
 
+struct perf_event;
+struct perf_sample_data;
+
+extern void ptrace_triggered(struct perf_event *bp, int nmi,
+                      struct perf_sample_data *data, struct pt_regs *regs);
+
 #define task_pt_regs(task) \
         ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1)
 
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index b74d2532cc27..62e4fc1e4409 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -144,8 +144,6 @@ void per_cpu_trap_init(void);
 void default_idle(void);
 void cpu_idle_wait(void);
 
-asmlinkage void break_point_trap(void);
-
 #ifdef CONFIG_SUPERH32
 #define BUILD_TRAP_HANDLER(name)                                        \
 asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 1f3d927e2265..55a36fef6875 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -93,14 +93,16 @@ static inline struct thread_info *current_thread_info(void)
 
 #define THREAD_SIZE_ORDER       (THREAD_SHIFT - PAGE_SHIFT)
 
-#else /* THREAD_SHIFT < PAGE_SHIFT */
-
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+#endif
 
 extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
 extern void free_thread_info(struct thread_info *ti);
+extern void arch_task_cache_init(void);
+#define arch_task_cache_init arch_task_cache_init
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
+extern void init_thread_xstate(void);
 
-#endif /* THREAD_SHIFT < PAGE_SHIFT */
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/sh/include/asm/ubc.h b/arch/sh/include/asm/ubc.h
deleted file mode 100644
index 9bf961684431..000000000000
--- a/arch/sh/include/asm/ubc.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * include/asm-sh/ubc.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2002, 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_SH_UBC_H
-#define __ASM_SH_UBC_H
-#ifdef __KERNEL__
-
-#include <cpu/ubc.h>
-
-/* User Break Controller */
-#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709)
-#define UBC_TYPE_SH7729 (current_cpu_data.type == CPU_SH7729)
-#else
-#define UBC_TYPE_SH7729 0
-#endif
-
-#define BAMR_ASID               (1 << 2)
-#define BAMR_NONE               0
-#define BAMR_10                 0x1
-#define BAMR_12                 0x2
-#define BAMR_ALL                0x3
-#define BAMR_16                 0x8
-#define BAMR_20                 0x9
-
-#define BBR_INST                (1 << 4)
-#define BBR_DATA                (2 << 4)
-#define BBR_READ                (1 << 2)
-#define BBR_WRITE               (2 << 2)
-#define BBR_BYTE                0x1
-#define BBR_HALF                0x2
-#define BBR_LONG                0x3
-#define BBR_QUAD                (1 << 6)        /* SH7750 */
-#define BBR_CPU                 (1 << 6)        /* SH7709A,SH7729 */
-#define BBR_DMA                 (2 << 6)        /* SH7709A,SH7729 */
-
-#define BRCR_CMFA               (1 << 15)
-#define BRCR_CMFB               (1 << 14)
-
-#if defined CONFIG_CPU_SH2A
-#define BRCR_CMFCA              (1 << 15)
-#define BRCR_CMFCB              (1 << 14)
-#define BRCR_CMFDA              (1 << 13)
-#define BRCR_CMFDB              (1 << 12)
-#define BRCR_PCBB               (1 << 6)        /* 1: after execution */
-#define BRCR_PCBA               (1 << 5)        /* 1: after execution */
-#define BRCR_PCTE               0
-#else
-#define BRCR_PCTE               (1 << 11)
-#define BRCR_PCBA               (1 << 10)       /* 1: after execution */
-#define BRCR_DBEB               (1 << 7)
-#define BRCR_PCBB               (1 << 6)
-#define BRCR_SEQ                (1 << 3)
-#define BRCR_UBDE               (1 << 0)
-#endif
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_SH_UBC_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/ubc.h b/arch/sh/include/cpu-sh2/cpu/ubc.h
deleted file mode 100644
index ba0e87f19c7a..000000000000
--- a/arch/sh/include/cpu-sh2/cpu/ubc.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * include/asm-sh/cpu-sh2/ubc.h
- *
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH2_UBC_H
-#define __ASM_CPU_SH2_UBC_H
-
-#define UBC_BARA                0xffffff40
-#define UBC_BAMRA               0xffffff44
-#define UBC_BBRA                0xffffff48
-#define UBC_BARB                0xffffff60
-#define UBC_BAMRB               0xffffff64
-#define UBC_BBRB                0xffffff68
-#define UBC_BDRB                0xffffff70
-#define UBC_BDMRB               0xffffff74
-#define UBC_BRCR                0xffffff78
-
-/*
- * We don't have any ASID changes to make in the UBC on the SH-2.
- *
- * Make these purposely invalid to track misuse.
- */
-#define UBC_BASRA               0x00000000
-#define UBC_BASRB               0x00000000
-
-#endif /* __ASM_CPU_SH2_UBC_H */
-
diff --git a/arch/sh/include/cpu-sh3/cpu/ubc.h b/arch/sh/include/cpu-sh3/cpu/ubc.h
deleted file mode 100644
index 4e6381d5ff7a..000000000000
--- a/arch/sh/include/cpu-sh3/cpu/ubc.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * include/asm-sh/cpu-sh3/ubc.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH3_UBC_H
-#define __ASM_CPU_SH3_UBC_H
-
-#if defined(CONFIG_CPU_SUBTYPE_SH7710) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7721)
-#define UBC_BARA                0xa4ffffb0
-#define UBC_BAMRA               0xa4ffffb4
-#define UBC_BBRA                0xa4ffffb8
-#define UBC_BASRA               0xffffffe4
-#define UBC_BARB                0xa4ffffa0
-#define UBC_BAMRB               0xa4ffffa4
-#define UBC_BBRB                0xa4ffffa8
-#define UBC_BASRB               0xffffffe8
-#define UBC_BDRB                0xa4ffff90
-#define UBC_BDMRB               0xa4ffff94
-#define UBC_BRCR                0xa4ffff98
-#else
-#define UBC_BARA                0xffffffb0
-#define UBC_BAMRA               0xffffffb4
-#define UBC_BBRA                0xffffffb8
-#define UBC_BASRA               0xffffffe4
-#define UBC_BARB                0xffffffa0
-#define UBC_BAMRB               0xffffffa4
-#define UBC_BBRB                0xffffffa8
-#define UBC_BASRB               0xffffffe8
-#define UBC_BDRB                0xffffff90
-#define UBC_BDMRB               0xffffff94
-#define UBC_BRCR                0xffffff98
-#endif
-
-#endif /* __ASM_CPU_SH3_UBC_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/ubc.h b/arch/sh/include/cpu-sh4/cpu/ubc.h
deleted file mode 100644
index c86e17050935..000000000000
--- a/arch/sh/include/cpu-sh4/cpu/ubc.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * include/asm-sh/cpu-sh4/ubc.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 Paul Mundt
- * Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH4_UBC_H
-#define __ASM_CPU_SH4_UBC_H
-
-#if defined(CONFIG_CPU_SH4A)
-#define UBC_CBR0                0xff200000
-#define UBC_CRR0                0xff200004
-#define UBC_CAR0                0xff200008
-#define UBC_CAMR0               0xff20000c
-#define UBC_CBR1                0xff200020
-#define UBC_CRR1                0xff200024
-#define UBC_CAR1                0xff200028
-#define UBC_CAMR1               0xff20002c
-#define UBC_CDR1                0xff200030
-#define UBC_CDMR1               0xff200034
-#define UBC_CETR1               0xff200038
-#define UBC_CCMFR               0xff200600
-#define UBC_CBCR                0xff200620
-
-/* CBR  */
-#define UBC_CBR_AIE             (0x01<<30)
-#define UBC_CBR_ID_INST         (0x01<<4)
-#define UBC_CBR_RW_READ         (0x01<<1)
-#define UBC_CBR_CE              (0x01)
-
-#define UBC_CBR_AIV_MASK        (0x00FF0000)
-#define UBC_CBR_AIV_SHIFT       (16)
-#define UBC_CBR_AIV_SET(asid)   (((asid)<<UBC_CBR_AIV_SHIFT) & UBC_CBR_AIV_MASK)
-
-#define UBC_CBR_INIT            0x20000000
-
-/* CRR  */
-#define UBC_CRR_RES             (0x01<<13)
-#define UBC_CRR_PCB             (0x01<<1)
-#define UBC_CRR_BIE             (0x01)
-
-#define UBC_CRR_INIT            0x00002000
-
-#else   /* CONFIG_CPU_SH4 */
-#define UBC_BARA                0xff200000
-#define UBC_BAMRA               0xff200004
-#define UBC_BBRA                0xff200008
-#define UBC_BASRA               0xff000014
-#define UBC_BARB                0xff20000c
-#define UBC_BAMRB               0xff200010
-#define UBC_BBRB                0xff200014
-#define UBC_BASRB               0xff000018
-#define UBC_BDRB                0xff200018
-#define UBC_BDMRB               0xff20001c
-#define UBC_BRCR                0xff200020
-#endif  /* CONFIG_CPU_SH4 */
-
-#endif /* __ASM_CPU_SH4_UBC_H */
-
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 5bec10c8bd74..56704a6d723a 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -13,8 +13,8 @@ CFLAGS_REMOVE_return_address.o = -pg
 
 obj-y   := debugtraps.o dma-nommu.o dumpstack.o                         \
            idle.o io.o io_generic.o irq.o                               \
-           irq_$(BITS).o machvec.o nmi_debug.o process_$(BITS).o        \
-           ptrace_$(BITS).o return_address.o                            \
+           irq_$(BITS).o machvec.o nmi_debug.o process.o                \
+           process_$(BITS).o ptrace_$(BITS).o return_address.o          \
            setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o            \
            syscalls_$(BITS).o time.o topology.o traps.o                 \
            traps_$(BITS).o unwinder.o
@@ -39,6 +39,7 @@ obj-$(CONFIG_HIBERNATION)	+= swsusp.o
 obj-$(CONFIG_DWARF_UNWINDER)    += dwarf.o
 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_callchain.o
 
+obj-$(CONFIG_HAVE_HW_BREAKPOINT)                += hw_breakpoint.o
 obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)     += localtimer.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index d97c803719ec..0e48bc61c272 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -17,5 +17,7 @@ obj-$(CONFIG_ARCH_SHMOBILE)	+= shmobile/
 
 obj-$(CONFIG_SH_ADC)            += adc.o
 obj-$(CONFIG_SH_CLK_CPG)        += clock-cpg.o
+obj-$(CONFIG_SH_FPU)            += fpu.o
+obj-$(CONFIG_SH_FPU_EMU)        += fpu.o
 
 obj-y   += irq/ init.o clock.o hwblk.o
diff --git a/arch/sh/kernel/cpu/fpu.c b/arch/sh/kernel/cpu/fpu.c
new file mode 100644
index 000000000000..c23e6727002a
--- /dev/null
+++ b/arch/sh/kernel/cpu/fpu.c
@@ -0,0 +1,82 @@
+#include <linux/sched.h>
+#include <asm/processor.h>
+#include <asm/fpu.h>
+
+int init_fpu(struct task_struct *tsk)
+{
+        if (tsk_used_math(tsk)) {
+                if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current)
+                        unlazy_fpu(tsk, task_pt_regs(tsk));
+                return 0;
+        }
+
+        /*
+         * Memory allocation at the first usage of the FPU and other state.
+         */
+        if (!tsk->thread.xstate) {
+                tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep,
+                                                      GFP_KERNEL);
+                if (!tsk->thread.xstate)
+                        return -ENOMEM;
+        }
+
+        if (boot_cpu_data.flags & CPU_HAS_FPU) {
+                struct sh_fpu_hard_struct *fp = &tsk->thread.xstate->hardfpu;
+                memset(fp, 0, xstate_size);
+                fp->fpscr = FPSCR_INIT;
+        } else {
+                struct sh_fpu_soft_struct *fp = &tsk->thread.xstate->softfpu;
+                memset(fp, 0, xstate_size);
+                fp->fpscr = FPSCR_INIT;
+        }
+
+        set_stopped_child_used_math(tsk);
+        return 0;
+}
+
+#ifdef CONFIG_SH_FPU
+void __fpu_state_restore(void)
+{
+        struct task_struct *tsk = current;
+
+        restore_fpu(tsk);
+
+        task_thread_info(tsk)->status |= TS_USEDFPU;
+        tsk->fpu_counter++;
+}
+
+void fpu_state_restore(struct pt_regs *regs)
+{
+        struct task_struct *tsk = current;
+
+        if (unlikely(!user_mode(regs))) {
+                printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
+                BUG();
+                return;
+        }
+
+        if (!tsk_used_math(tsk)) {
+                /*
+                 * does a slab alloc which can sleep
+                 */
+                if (init_fpu(tsk)) {
+                        /*
+                         * ran out of memory!
+                         */
+                        do_group_exit(SIGKILL);
+                        return;
+                }
+        }
+
+        grab_fpu(regs);
+
+        __fpu_state_restore();
+}
+
+BUILD_TRAP_HANDLER(fpu_state_restore)
+{
+        TRAP_HANDLER_DECL;
+
+        fpu_state_restore(regs);
+}
+#endif /* CONFIG_SH_FPU */
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 89b4b76c0d76..a5bb0550bbf3 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -24,22 +24,31 @@
 #include <asm/elf.h>
 #include <asm/io.h>
 #include <asm/smp.h>
-#ifdef CONFIG_SUPERH32
-#include <asm/ubc.h>
+
+#ifdef CONFIG_SH_FPU
+#define cpu_has_fpu     1
+#else
+#define cpu_has_fpu     0
+#endif
+
+#ifdef CONFIG_SH_DSP
+#define cpu_has_dsp     1
+#else
+#define cpu_has_dsp     0
 #endif
 
 /*
  * Generic wrapper for command line arguments to disable on-chip
  * peripherals (nofpu, nodsp, and so forth).
  */
-#define onchip_setup(x)                         \
-static int x##_disabled __initdata = 0;         \
-                                                \
-static int __init x##_setup(char *opts)         \
-{                                               \
-        x##_disabled = 1;                       \
-        return 1;                               \
-}                                               \
+#define onchip_setup(x)                                 \
+static int x##_disabled __initdata = !cpu_has_##x;      \
+                                                        \
+static int __init x##_setup(char *opts)                 \
+{                                                       \
+        x##_disabled = 1;                               \
+        return 1;                                       \
+}                                                       \
 __setup("no" __stringify(x), x##_setup);
 
 onchip_setup(fpu);
@@ -207,6 +216,18 @@ static void detect_cache_shape(void)
                 l2_cache_shape = -1; /* No S-cache */
 }
 
+static void __init fpu_init(void)
+{
+        /* Disable the FPU */
+        if (fpu_disabled && (current_cpu_data.flags & CPU_HAS_FPU)) {
+                printk("FPU Disabled\n");
+                current_cpu_data.flags &= ~CPU_HAS_FPU;
+        }
+
+        disable_fpu();
+        clear_used_math();
+}
+
 #ifdef CONFIG_SH_DSP
 static void __init release_dsp(void)
 {
@@ -244,28 +265,35 @@ static void __init dsp_init(void)
         if (sr & SR_DSP)
                 current_cpu_data.flags |= CPU_HAS_DSP;
 
+        /* Disable the DSP */
+        if (dsp_disabled && (current_cpu_data.flags & CPU_HAS_DSP)) {
+                printk("DSP Disabled\n");
+                current_cpu_data.flags &= ~CPU_HAS_DSP;
+        }
+
         /* Now that we've determined the DSP status, clear the DSP bit. */
         release_dsp();
 }
+#else
+static inline void __init dsp_init(void) { }
 #endif /* CONFIG_SH_DSP */
 
 /**
  * sh_cpu_init
  *
- * This is our initial entry point for each CPU, and is invoked on the boot
- * CPU prior to calling start_kernel(). For SMP, a combination of this and
- * start_secondary() will bring up each processor to a ready state prior
- * to hand forking the idle loop.
+ * This is our initial entry point for each CPU, and is invoked on the
+ * boot CPU prior to calling start_kernel(). For SMP, a combination of
+ * this and start_secondary() will bring up each processor to a ready
+ * state prior to hand forking the idle loop.
  *
- * We do all of the basic processor init here, including setting up the
- * caches, FPU, DSP, kicking the UBC, etc. By the time start_kernel() is
- * hit (and subsequently platform_setup()) things like determining the
- * CPU subtype and initial configuration will all be done.
+ * We do all of the basic processor init here, including setting up
+ * the caches, FPU, DSP, etc. By the time start_kernel() is hit (and
+ * subsequently platform_setup()) things like determining the CPU
+ * subtype and initial configuration will all be done.
  *
  * Each processor family is still responsible for doing its own probing
  * and cache configuration in detect_cpu_and_cache_system().
  */
-
 asmlinkage void __init sh_cpu_init(void)
 {
         current_thread_info()->cpu = hard_smp_processor_id();
@@ -302,18 +330,8 @@ asmlinkage void __init sh_cpu_init(void)
                 detect_cache_shape();
         }
 
-        /* Disable the FPU */
-        if (fpu_disabled) {
-                printk("FPU Disabled\n");
-                current_cpu_data.flags &= ~CPU_HAS_FPU;
-        }
-
-        /* FPU initialization */
-        disable_fpu();
-        if ((current_cpu_data.flags & CPU_HAS_FPU)) {
-                current_thread_info()->status &= ~TS_USEDFPU;
-                clear_used_math();
-        }
+        fpu_init();
+        dsp_init();
 
         /*
          * Initialize the per-CPU ASID cache very early, since the
@@ -321,18 +339,12 @@ asmlinkage void __init sh_cpu_init(void)
          */
         current_cpu_data.asid_cache = NO_CONTEXT;
 
-#ifdef CONFIG_SH_DSP
-        /* Probe for DSP */
-        dsp_init();
-
-        /* Disable the DSP */
-        if (dsp_disabled) {
-                printk("DSP Disabled\n");
-                current_cpu_data.flags &= ~CPU_HAS_DSP;
-                release_dsp();
-        }
-#endif
-
         speculative_execution_init();
         expmask_init();
+
+        /*
+         * Boot processor to setup the FP and extended state context info.
+         */
+        if (raw_smp_processor_id() == 0)
+                init_thread_xstate();
 }
diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c
index d395ce5740e7..488d24e0cdf0 100644
--- a/arch/sh/kernel/cpu/sh2a/fpu.c
+++ b/arch/sh/kernel/cpu/sh2a/fpu.c
@@ -26,8 +26,7 @@
 /*
  * Save FPU registers onto task structure.
  */
-void
-save_fpu(struct task_struct *tsk)
+void save_fpu(struct task_struct *tsk)
 {
         unsigned long dummy;
 
@@ -52,7 +51,7 @@ save_fpu(struct task_struct *tsk)
                      "fmov.s    fr0, @-%0\n\t"
                      "lds       %3, fpscr\n\t"
                      : "=r" (dummy)
-                     : "0" ((char *)(&tsk->thread.fpu.hard.status)),
+                     : "0" ((char *)(&tsk->thread.xstate->hardfpu.status)),
                        "r" (FPSCR_RCHG),
                        "r" (FPSCR_INIT)
                      : "memory");
@@ -60,8 +59,7 @@ save_fpu(struct task_struct *tsk)
         disable_fpu();
 }
 
-static void
-restore_fpu(struct task_struct *tsk)
+void restore_fpu(struct task_struct *tsk)
 {
         unsigned long dummy;
 
@@ -85,45 +83,12 @@ restore_fpu(struct task_struct *tsk)
                      "lds.l     @%0+, fpscr\n\t"
                      "lds.l     @%0+, fpul\n\t"
                      : "=r" (dummy)
-                     : "0" (&tsk->thread.fpu), "r" (FPSCR_RCHG)
+                     : "0" (tsk->thread.xstate), "r" (FPSCR_RCHG)
                      : "memory");
         disable_fpu();
 }
 
 /*
- * Load the FPU with signalling NANS.  This bit pattern we're using
- * has the property that no matter wether considered as single or as
- * double precission represents signaling NANS.
- */
-
-static void
-fpu_init(void)
-{
-        enable_fpu();
-        asm volatile("lds       %0, fpul\n\t"
-                     "fsts      fpul, fr0\n\t"
-                     "fsts      fpul, fr1\n\t"
-                     "fsts      fpul, fr2\n\t"
-                     "fsts      fpul, fr3\n\t"
-                     "fsts      fpul, fr4\n\t"
-                     "fsts      fpul, fr5\n\t"
-                     "fsts      fpul, fr6\n\t"
-                     "fsts      fpul, fr7\n\t"
-                     "fsts      fpul, fr8\n\t"
-                     "fsts      fpul, fr9\n\t"
-                     "fsts      fpul, fr10\n\t"
-                     "fsts      fpul, fr11\n\t"
-                     "fsts      fpul, fr12\n\t"
-                     "fsts      fpul, fr13\n\t"
-                     "fsts      fpul, fr14\n\t"
-                     "fsts      fpul, fr15\n\t"
-                     "lds       %2, fpscr\n\t"
-                     : /* no output */
-                     : "r" (0), "r" (FPSCR_RCHG), "r" (FPSCR_INIT));
-        disable_fpu();
-}
-
-/*
  *      Emulate arithmetic ops on denormalized number for some FPU insns.
  */
 
@@ -490,9 +455,9 @@ ieee_fpe_handler (struct pt_regs *regs)
         if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */
                 struct task_struct *tsk = current;
 
-                if ((tsk->thread.fpu.hard.fpscr & FPSCR_FPU_ERROR)) {
+                if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_FPU_ERROR)) {
                         /* FPU error */
-                        denormal_to_double (&tsk->thread.fpu.hard,
+                        denormal_to_double (&tsk->thread.xstate->hardfpu,
                                             (finsn >> 8) & 0xf);
                 } else
                         return 0;
@@ -507,9 +472,9 @@ ieee_fpe_handler (struct pt_regs *regs)
 
                 n = (finsn >> 8) & 0xf;
                 m = (finsn >> 4) & 0xf;
-                hx = tsk->thread.fpu.hard.fp_regs[n];
-                hy = tsk->thread.fpu.hard.fp_regs[m];
-                fpscr = tsk->thread.fpu.hard.fpscr;
+                hx = tsk->thread.xstate->hardfpu.fp_regs[n];
+                hy = tsk->thread.xstate->hardfpu.fp_regs[m];
+                fpscr = tsk->thread.xstate->hardfpu.fpscr;
                 prec = fpscr & (1 << 19);
 
                 if ((fpscr & FPSCR_FPU_ERROR)
@@ -519,15 +484,15 @@ ieee_fpe_handler (struct pt_regs *regs)
 
                         /* FPU error because of denormal */
                         llx = ((long long) hx << 32)
-                               | tsk->thread.fpu.hard.fp_regs[n+1];
+                               | tsk->thread.xstate->hardfpu.fp_regs[n+1];
                         lly = ((long long) hy << 32)
-                               | tsk->thread.fpu.hard.fp_regs[m+1];
+                               | tsk->thread.xstate->hardfpu.fp_regs[m+1];
                         if ((hx & 0x7fffffff) >= 0x00100000)
                                 llx = denormal_muld(lly, llx);
                         else
                                 llx = denormal_muld(llx, lly);
-                        tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;
-                        tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;
+                        tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff;
                 } else if ((fpscr & FPSCR_FPU_ERROR)
                      && (!prec && ((hx & 0x7fffffff) < 0x00800000
                                    || (hy & 0x7fffffff) < 0x00800000))) {
@@ -536,7 +501,7 @@ ieee_fpe_handler (struct pt_regs *regs)
                                 hx = denormal_mulf(hy, hx);
                         else
                                 hx = denormal_mulf(hx, hy);
-                        tsk->thread.fpu.hard.fp_regs[n] = hx;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = hx;
                 } else
                         return 0;
 
@@ -550,9 +515,9 @@ ieee_fpe_handler (struct pt_regs *regs)
 
                 n = (finsn >> 8) & 0xf;
                 m = (finsn >> 4) & 0xf;
-                hx = tsk->thread.fpu.hard.fp_regs[n];
-                hy = tsk->thread.fpu.hard.fp_regs[m];
-                fpscr = tsk->thread.fpu.hard.fpscr;
+                hx = tsk->thread.xstate->hardfpu.fp_regs[n];
+                hy = tsk->thread.xstate->hardfpu.fp_regs[m];
+                fpscr = tsk->thread.xstate->hardfpu.fpscr;
                 prec = fpscr & (1 << 19);
 
                 if ((fpscr & FPSCR_FPU_ERROR)
@@ -562,15 +527,15 @@ ieee_fpe_handler (struct pt_regs *regs)
 
                         /* FPU error because of denormal */
                         llx = ((long long) hx << 32)
-                               | tsk->thread.fpu.hard.fp_regs[n+1];
+                               | tsk->thread.xstate->hardfpu.fp_regs[n+1];
                         lly = ((long long) hy << 32)
-                               | tsk->thread.fpu.hard.fp_regs[m+1];
+                               | tsk->thread.xstate->hardfpu.fp_regs[m+1];
                         if ((finsn & 0xf00f) == 0xf000)
                                 llx = denormal_addd(llx, lly);
                         else
                                 llx = denormal_addd(llx, lly ^ (1LL << 63));
-                        tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;
-                        tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;
+                        tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff;
                 } else if ((fpscr & FPSCR_FPU_ERROR)
                      && (!prec && ((hx & 0x7fffffff) < 0x00800000
                                    || (hy & 0x7fffffff) < 0x00800000))) {
@@ -579,7 +544,7 @@ ieee_fpe_handler (struct pt_regs *regs)
                                 hx = denormal_addf(hx, hy);
                         else
                                 hx = denormal_addf(hx, hy ^ 0x80000000);
-                        tsk->thread.fpu.hard.fp_regs[n] = hx;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = hx;
                 } else
                         return 0;
 
@@ -597,7 +562,7 @@ BUILD_TRAP_HANDLER(fpu_error)
 
         __unlazy_fpu(tsk, regs);
         if (ieee_fpe_handler(regs)) {
-                tsk->thread.fpu.hard.fpscr &=
+                tsk->thread.xstate->hardfpu.fpscr &=
                         ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
                 grab_fpu(regs);
                 restore_fpu(tsk);
@@ -607,33 +572,3 @@ BUILD_TRAP_HANDLER(fpu_error)
 
         force_sig(SIGFPE, tsk);
 }
-
-void fpu_state_restore(struct pt_regs *regs)
-{
-        struct task_struct *tsk = current;
-
-        grab_fpu(regs);
-        if (unlikely(!user_mode(regs))) {
-                printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
-                BUG();
-                return;
-        }
-
-        if (likely(used_math())) {
-                /* Using the FPU again.  */
-                restore_fpu(tsk);
-        } else  {
-                /* First time FPU user.  */
-                fpu_init();
-                set_used_math();
-        }
-        task_thread_info(tsk)->status |= TS_USEDFPU;
-        tsk->fpu_counter++;
-}
-
-BUILD_TRAP_HANDLER(fpu_state_restore)
-{
-        TRAP_HANDLER_DECL;
-
-        fpu_state_restore(regs);
-}
diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S
index 46610c35c232..99b4d020179a 100644
--- a/arch/sh/kernel/cpu/sh3/ex.S
+++ b/arch/sh/kernel/cpu/sh3/ex.S
@@ -49,7 +49,7 @@ ENTRY(exception_handling_table)
         .long   exception_error ! reserved_instruction (filled by trap_init) /* 180 */
         .long   exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/
         .long   nmi_trap_handler        /* 1C0 */       ! Allow trap to debugger
-        .long   break_point_trap        /* 1E0 */
+        .long   breakpoint_trap_handler /* 1E0 */
 
         /*
          * Pad the remainder of the table out, exceptions residing in far
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index e97857aec8a0..447482d7f65e 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -85,14 +85,14 @@ void save_fpu(struct task_struct *tsk)
                       "fmov.s   fr1, @-%0\n\t"
                       "fmov.s   fr0, @-%0\n\t"
                       "lds      %3, fpscr\n\t":"=r" (dummy)
-                      :"0"((char *)(&tsk->thread.fpu.hard.status)),
+                      :"0"((char *)(&tsk->thread.xstate->hardfpu.status)),
                       "r"(FPSCR_RCHG), "r"(FPSCR_INIT)
                       :"memory");
 
         disable_fpu();
 }
 
-static void restore_fpu(struct task_struct *tsk)
+void restore_fpu(struct task_struct *tsk)
 {
         unsigned long dummy;
 
@@ -135,62 +135,11 @@ static void restore_fpu(struct task_struct *tsk)
                       "lds.l    @%0+, fpscr\n\t"
                       "lds.l    @%0+, fpul\n\t"
                       :"=r" (dummy)
-                      :"0"(&tsk->thread.fpu), "r"(FPSCR_RCHG)
+                      :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG)
                       :"memory");
         disable_fpu();
 }
 
-/*
- * Load the FPU with signalling NANS.  This bit pattern we're using
- * has the property that no matter wether considered as single or as
- * double precision represents signaling NANS.
- */
-
-static void fpu_init(void)
-{
-        enable_fpu();
-        asm volatile (  "lds    %0, fpul\n\t"
-                        "lds    %1, fpscr\n\t"
-                        "fsts   fpul, fr0\n\t"
-                        "fsts   fpul, fr1\n\t"
-                        "fsts   fpul, fr2\n\t"
-                        "fsts   fpul, fr3\n\t"
-                        "fsts   fpul, fr4\n\t"
-                        "fsts   fpul, fr5\n\t"
-                        "fsts   fpul, fr6\n\t"
-                        "fsts   fpul, fr7\n\t"
-                        "fsts   fpul, fr8\n\t"
-                        "fsts   fpul, fr9\n\t"
-                        "fsts   fpul, fr10\n\t"
-                        "fsts   fpul, fr11\n\t"
-                        "fsts   fpul, fr12\n\t"
-                        "fsts   fpul, fr13\n\t"
-                        "fsts   fpul, fr14\n\t"
-                        "fsts   fpul, fr15\n\t"
-                        "frchg\n\t"
-                        "fsts   fpul, fr0\n\t"
-                        "fsts   fpul, fr1\n\t"
-                        "fsts   fpul, fr2\n\t"
-                        "fsts   fpul, fr3\n\t"
-                        "fsts   fpul, fr4\n\t"
-                        "fsts   fpul, fr5\n\t"
-                        "fsts   fpul, fr6\n\t"
-                        "fsts   fpul, fr7\n\t"
-                        "fsts   fpul, fr8\n\t"
-                        "fsts   fpul, fr9\n\t"
-                        "fsts   fpul, fr10\n\t"
-                        "fsts   fpul, fr11\n\t"
-                        "fsts   fpul, fr12\n\t"
-                        "fsts   fpul, fr13\n\t"
-                        "fsts   fpul, fr14\n\t"
-                        "fsts   fpul, fr15\n\t"
-                        "frchg\n\t"
-                        "lds    %2, fpscr\n\t"
-                        :       /* no output */
-                        :"r" (0), "r"(FPSCR_RCHG), "r"(FPSCR_INIT));
-        disable_fpu();
-}
-
 /**
  *      denormal_to_double - Given denormalized float number,
  *                           store double float
@@ -282,9 +231,9 @@ static int ieee_fpe_handler(struct pt_regs *regs)
                 /* fcnvsd */
                 struct task_struct *tsk = current;
 
-                if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR))
+                if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR))
                         /* FPU error */
-                        denormal_to_double(&tsk->thread.fpu.hard,
+                        denormal_to_double(&tsk->thread.xstate->hardfpu,
                                            (finsn >> 8) & 0xf);
                 else
                         return 0;
@@ -300,9 +249,9 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                 n = (finsn >> 8) & 0xf;
                 m = (finsn >> 4) & 0xf;
-                hx = tsk->thread.fpu.hard.fp_regs[n];
-                hy = tsk->thread.fpu.hard.fp_regs[m];
-                fpscr = tsk->thread.fpu.hard.fpscr;
+                hx = tsk->thread.xstate->hardfpu.fp_regs[n];
+                hy = tsk->thread.xstate->hardfpu.fp_regs[m];
+                fpscr = tsk->thread.xstate->hardfpu.fpscr;
                 prec = fpscr & FPSCR_DBL_PRECISION;
 
                 if ((fpscr & FPSCR_CAUSE_ERROR)
@@ -312,18 +261,18 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                         /* FPU error because of denormal (doubles) */
                         llx = ((long long)hx << 32)
-                            | tsk->thread.fpu.hard.fp_regs[n + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[n + 1];
                         lly = ((long long)hy << 32)
-                            | tsk->thread.fpu.hard.fp_regs[m + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[m + 1];
                         llx = float64_mul(llx, lly);
-                        tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;
-                        tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;
+                        tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;
                 } else if ((fpscr & FPSCR_CAUSE_ERROR)
                            && (!prec && ((hx & 0x7fffffff) < 0x00800000
                                          || (hy & 0x7fffffff) < 0x00800000))) {
                         /* FPU error because of denormal (floats) */
                         hx = float32_mul(hx, hy);
-                        tsk->thread.fpu.hard.fp_regs[n] = hx;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = hx;
                 } else
                         return 0;
 
@@ -338,9 +287,9 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                 n = (finsn >> 8) & 0xf;
                 m = (finsn >> 4) & 0xf;
-                hx = tsk->thread.fpu.hard.fp_regs[n];
-                hy = tsk->thread.fpu.hard.fp_regs[m];
-                fpscr = tsk->thread.fpu.hard.fpscr;
+                hx = tsk->thread.xstate->hardfpu.fp_regs[n];
+                hy = tsk->thread.xstate->hardfpu.fp_regs[m];
+                fpscr = tsk->thread.xstate->hardfpu.fpscr;
                 prec = fpscr & FPSCR_DBL_PRECISION;
 
                 if ((fpscr & FPSCR_CAUSE_ERROR)
@@ -350,15 +299,15 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                         /* FPU error because of denormal (doubles) */
                         llx = ((long long)hx << 32)
-                            | tsk->thread.fpu.hard.fp_regs[n + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[n + 1];
                         lly = ((long long)hy << 32)
-                            | tsk->thread.fpu.hard.fp_regs[m + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[m + 1];
                         if ((finsn & 0xf00f) == 0xf000)
                                 llx = float64_add(llx, lly);
                         else
                                 llx = float64_sub(llx, lly);
-                        tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;
-                        tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;
+                        tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;
                 } else if ((fpscr & FPSCR_CAUSE_ERROR)
                            && (!prec && ((hx & 0x7fffffff) < 0x00800000
                                          || (hy & 0x7fffffff) < 0x00800000))) {
@@ -367,7 +316,7 @@ static int ieee_fpe_handler(struct pt_regs *regs)
                                 hx = float32_add(hx, hy);
                         else
                                 hx = float32_sub(hx, hy);
-                        tsk->thread.fpu.hard.fp_regs[n] = hx;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = hx;
                 } else
                         return 0;
 
@@ -382,9 +331,9 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                 n = (finsn >> 8) & 0xf;
                 m = (finsn >> 4) & 0xf;
-                hx = tsk->thread.fpu.hard.fp_regs[n];
-                hy = tsk->thread.fpu.hard.fp_regs[m];
-                fpscr = tsk->thread.fpu.hard.fpscr;
+                hx = tsk->thread.xstate->hardfpu.fp_regs[n];
+                hy = tsk->thread.xstate->hardfpu.fp_regs[m];
+                fpscr = tsk->thread.xstate->hardfpu.fpscr;
                 prec = fpscr & FPSCR_DBL_PRECISION;
 
                 if ((fpscr & FPSCR_CAUSE_ERROR)
@@ -394,20 +343,20 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 
                         /* FPU error because of denormal (doubles) */
                         llx = ((long long)hx << 32)
-                            | tsk->thread.fpu.hard.fp_regs[n + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[n + 1];
                         lly = ((long long)hy << 32)
-                            | tsk->thread.fpu.hard.fp_regs[m + 1];
+                            | tsk->thread.xstate->hardfpu.fp_regs[m + 1];
 
                         llx = float64_div(llx, lly);
 
-                        tsk->thread.fpu.hard.fp_regs[n] = llx >> 32;
-                        tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;
+                        tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;
                 } else if ((fpscr & FPSCR_CAUSE_ERROR)
                            && (!prec && ((hx & 0x7fffffff) < 0x00800000
                                          || (hy & 0x7fffffff) < 0x00800000))) {
                         /* FPU error because of denormal (floats) */
                         hx = float32_div(hx, hy);
-                        tsk->thread.fpu.hard.fp_regs[n] = hx;
+                        tsk->thread.xstate->hardfpu.fp_regs[n] = hx;
                 } else
                         return 0;
 
@@ -420,17 +369,17 @@ static int ieee_fpe_handler(struct pt_regs *regs)
                 unsigned int hx;
 
                 m = (finsn >> 8) & 0x7;
-                hx = tsk->thread.fpu.hard.fp_regs[m];
+                hx = tsk->thread.xstate->hardfpu.fp_regs[m];
 
-                if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR)
+                if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)
                         && ((hx & 0x7fffffff) < 0x00100000)) {
                         /* subnormal double to float conversion */
                         long long llx;
 
-                        llx = ((long long)tsk->thread.fpu.hard.fp_regs[m] << 32)
-                            | tsk->thread.fpu.hard.fp_regs[m + 1];
+                        llx = ((long long)tsk->thread.xstate->hardfpu.fp_regs[m] << 32)
+                            | tsk->thread.xstate->hardfpu.fp_regs[m + 1];
 
-                        tsk->thread.fpu.hard.fpul = float64_to_float32(llx);
+                        tsk->thread.xstate->hardfpu.fpul = float64_to_float32(llx);
                 } else
                         return 0;
 
@@ -449,7 +398,7 @@ void float_raise(unsigned int flags)
 int float_rounding_mode(void)
 {
         struct task_struct *tsk = current;
-        int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.fpu.hard.fpscr);
+        int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.xstate->hardfpu.fpscr);
         return roundingMode;
 }
 
@@ -461,16 +410,16 @@ BUILD_TRAP_HANDLER(fpu_error)
         __unlazy_fpu(tsk, regs);
         fpu_exception_flags = 0;
         if (ieee_fpe_handler(regs)) {
-                tsk->thread.fpu.hard.fpscr &=
+                tsk->thread.xstate->hardfpu.fpscr &=
                     ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
-                tsk->thread.fpu.hard.fpscr |= fpu_exception_flags;
+                tsk->thread.xstate->hardfpu.fpscr |= fpu_exception_flags;
                 /* Set the FPSCR flag as well as cause bits - simply
                  * replicate the cause */
-                tsk->thread.fpu.hard.fpscr |= (fpu_exception_flags >> 10);
+                tsk->thread.xstate->hardfpu.fpscr |= (fpu_exception_flags >> 10);
                 grab_fpu(regs);
                 restore_fpu(tsk);
                 task_thread_info(tsk)->status |= TS_USEDFPU;
-                if ((((tsk->thread.fpu.hard.fpscr & FPSCR_ENABLE_MASK) >> 7) &
+                if ((((tsk->thread.xstate->hardfpu.fpscr & FPSCR_ENABLE_MASK) >> 7) &
                      (fpu_exception_flags >> 2)) == 0) {
                         return;
                 }
@@ -478,33 +427,3 @@ BUILD_TRAP_HANDLER(fpu_error)
 
         force_sig(SIGFPE, tsk);
 }
-
-void fpu_state_restore(struct pt_regs *regs)
-{
-        struct task_struct *tsk = current;
-
-        grab_fpu(regs);
-        if (unlikely(!user_mode(regs))) {
-                printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
-                BUG();
-                return;
-        }
-
-        if (likely(used_math())) {
-                /* Using the FPU again.  */
-                restore_fpu(tsk);
-        } else {
-                /* First time FPU user.  */
-                fpu_init();
-                set_used_math();
-        }
-        task_thread_info(tsk)->status |= TS_USEDFPU;
-        tsk->fpu_counter++;
-}
-
-BUILD_TRAP_HANDLER(fpu_state_restore)
-{
-        TRAP_HANDLER_DECL;
-
-        fpu_state_restore(regs);
-}
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 33bab477d2e2..b144e8af89dc 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -41,7 +41,8 @@ pinmux-$(CONFIG_CPU_SUBTYPE_SH7757)	:= pinmux-sh7757.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7785)     := pinmux-sh7785.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7786)     := pinmux-sh7786.o
 
-obj-y                           += $(clock-y)
-obj-$(CONFIG_SMP)               += $(smp-y)
-obj-$(CONFIG_GENERIC_GPIO)      += $(pinmux-y)
-obj-$(CONFIG_PERF_EVENTS)       += perf_event.o
+obj-y                                   += $(clock-y)
+obj-$(CONFIG_SMP)                       += $(smp-y)
+obj-$(CONFIG_GENERIC_GPIO)              += $(pinmux-y)
+obj-$(CONFIG_PERF_EVENTS)               += perf_event.o
+obj-$(CONFIG_HAVE_HW_BREAKPOINT)        += ubc.o
diff --git a/arch/sh/kernel/cpu/sh4a/ubc.c b/arch/sh/kernel/cpu/sh4a/ubc.c
new file mode 100644
index 000000000000..efb2745bcb36
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/ubc.c
@@ -0,0 +1,133 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/ubc.c
+ *
+ * On-chip UBC support for SH-4A CPUs.
+ *
+ * Copyright (C) 2009 - 2010  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <asm/hw_breakpoint.h>
+
+#define UBC_CBR(idx)    (0xff200000 + (0x20 * idx))
+#define UBC_CRR(idx)    (0xff200004 + (0x20 * idx))
+#define UBC_CAR(idx)    (0xff200008 + (0x20 * idx))
+#define UBC_CAMR(idx)   (0xff20000c + (0x20 * idx))
+
+#define UBC_CCMFR       0xff200600
+#define UBC_CBCR        0xff200620
+
+/* CRR */
+#define UBC_CRR_PCB     (1 << 1)
+#define UBC_CRR_BIE     (1 << 0)
+
+/* CBR */
+#define UBC_CBR_CE      (1 << 0)
+
+static struct sh_ubc sh4a_ubc;
+
+static void sh4a_ubc_enable(struct arch_hw_breakpoint *info, int idx)
+{
+        __raw_writel(UBC_CBR_CE | info->len | info->type, UBC_CBR(idx));
+        __raw_writel(info->address, UBC_CAR(idx));
+}
+
+static void sh4a_ubc_disable(struct arch_hw_breakpoint *info, int idx)
+{
+        __raw_writel(0, UBC_CBR(idx));
+        __raw_writel(0, UBC_CAR(idx));
+}
+
+static void sh4a_ubc_enable_all(unsigned long mask)
+{
+        int i;
+
+        for (i = 0; i < sh4a_ubc.num_events; i++)
+                if (mask & (1 << i))
+                        __raw_writel(__raw_readl(UBC_CBR(i)) | UBC_CBR_CE,
+                                     UBC_CBR(i));
+}
+
+static void sh4a_ubc_disable_all(void)
+{
+        int i;
+
+        for (i = 0; i < sh4a_ubc.num_events; i++)
+                __raw_writel(__raw_readl(UBC_CBR(i)) & ~UBC_CBR_CE,
+                             UBC_CBR(i));
+}
+
+static unsigned long sh4a_ubc_active_mask(void)
+{
+        unsigned long active = 0;
+        int i;
+
+        for (i = 0; i < sh4a_ubc.num_events; i++)
+                if (__raw_readl(UBC_CBR(i)) & UBC_CBR_CE)
+                        active |= (1 << i);
+
+        return active;
+}
+
+static unsigned long sh4a_ubc_triggered_mask(void)
+{
+        return __raw_readl(UBC_CCMFR);
+}
+
+static void sh4a_ubc_clear_triggered_mask(unsigned long mask)
+{
+        __raw_writel(__raw_readl(UBC_CCMFR) & ~mask, UBC_CCMFR);
+}
+
+static struct sh_ubc sh4a_ubc = {
+        .name                   = "SH-4A",
+        .num_events             = 2,
+        .trap_nr                = 0x1e0,
+        .enable                 = sh4a_ubc_enable,
+        .disable                = sh4a_ubc_disable,
+        .enable_all             = sh4a_ubc_enable_all,
+        .disable_all            = sh4a_ubc_disable_all,
+        .active_mask            = sh4a_ubc_active_mask,
+        .triggered_mask         = sh4a_ubc_triggered_mask,
+        .clear_triggered_mask   = sh4a_ubc_clear_triggered_mask,
+};
+
+static int __init sh4a_ubc_init(void)
+{
+        struct clk *ubc_iclk = clk_get(NULL, "ubc0");
+        int i;
+
+        /*
+         * The UBC MSTP bit is optional, as not all platforms will have
+         * it. Just ignore it if we can't find it.
+         */
+        if (IS_ERR(ubc_iclk))
+                ubc_iclk = NULL;
+
+        clk_enable(ubc_iclk);
+
+        __raw_writel(0, UBC_CBCR);
+
+        for (i = 0; i < sh4a_ubc.num_events; i++) {
+                __raw_writel(0, UBC_CAMR(i));
+                __raw_writel(0, UBC_CBR(i));
+
+                __raw_writel(UBC_CRR_BIE | UBC_CRR_PCB, UBC_CRR(i));
+
+                /* dummy read for write posting */
+                (void)__raw_readl(UBC_CRR(i));
+        }
+
+        clk_disable(ubc_iclk);
+
+        sh4a_ubc.clk = ubc_iclk;
+
+        return register_sh_ubc(&sh4a_ubc);
+}
+arch_initcall(sh4a_ubc_init);
diff --git a/arch/sh/kernel/debugtraps.S b/arch/sh/kernel/debugtraps.S
index 591741383ee6..7a1b46fec0f4 100644
--- a/arch/sh/kernel/debugtraps.S
+++ b/arch/sh/kernel/debugtraps.S
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 
 #if !defined(CONFIG_KGDB)
-#define breakpoint_trap_handler         debug_trap_handler
 #define singlestep_trap_handler         debug_trap_handler
 #endif
 
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
new file mode 100644
index 000000000000..e2f1753d275c
--- /dev/null
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -0,0 +1,463 @@
+/*
+ * arch/sh/kernel/hw_breakpoint.c
+ *
+ * Unified kernel/user-space hardware breakpoint facility for the on-chip UBC.
+ *
+ * Copyright (C) 2009 - 2010  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/perf_event.h>
+#include <linux/hw_breakpoint.h>
+#include <linux/percpu.h>
+#include <linux/kallsyms.h>
+#include <linux/notifier.h>
+#include <linux/kprobes.h>
+#include <linux/kdebug.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <asm/hw_breakpoint.h>
+#include <asm/mmu_context.h>
+#include <asm/ptrace.h>
+
+/*
+ * Stores the breakpoints currently in use on each breakpoint address
+ * register for each cpus
+ */
+static DEFINE_PER_CPU(struct perf_event *, bp_per_reg[HBP_NUM]);
+
+/*
+ * A dummy placeholder for early accesses until the CPUs get a chance to
+ * register their UBCs later in the boot process.
+ */
+static struct sh_ubc ubc_dummy = { .num_events = 0 };
+
+static struct sh_ubc *sh_ubc __read_mostly = &ubc_dummy;
+
+/*
+ * Install a perf counter breakpoint.
+ *
+ * We seek a free UBC channel and use it for this breakpoint.
+ *
+ * Atomic: we hold the counter->ctx->lock and we only handle variables
+ * and registers local to this cpu.
+ */
+int arch_install_hw_breakpoint(struct perf_event *bp)
+{
+        struct arch_hw_breakpoint *info = counter_arch_bp(bp);
+        int i;
+
+        for (i = 0; i < sh_ubc->num_events; i++) {
+                struct perf_event **slot = &__get_cpu_var(bp_per_reg[i]);
+
+                if (!*slot) {
+                        *slot = bp;
+                        break;
+                }
+        }
+
+        if (WARN_ONCE(i == sh_ubc->num_events, "Can't find any breakpoint slot"))
+                return -EBUSY;
+
+        clk_enable(sh_ubc->clk);
+        sh_ubc->enable(info, i);
+
+        return 0;
+}
+
+/*
+ * Uninstall the breakpoint contained in the given counter.
+ *
+ * First we search the debug address register it uses and then we disable
+ * it.
+ *
+ * Atomic: we hold the counter->ctx->lock and we only handle variables
+ * and registers local to this cpu.
+ */
+void arch_uninstall_hw_breakpoint(struct perf_event *bp)
+{
+        struct arch_hw_breakpoint *info = counter_arch_bp(bp);
+        int i;
+
+        for (i = 0; i < sh_ubc->num_events; i++) {
+                struct perf_event **slot = &__get_cpu_var(bp_per_reg[i]);
+
+                if (*slot == bp) {
+                        *slot = NULL;
+                        break;
+                }
+        }
+
+        if (WARN_ONCE(i == sh_ubc->num_events, "Can't find any breakpoint slot"))
+                return;
+
+        sh_ubc->disable(info, i);
+        clk_disable(sh_ubc->clk);
+}
+
+static int get_hbp_len(u16 hbp_len)
+{
+        unsigned int len_in_bytes = 0;
+
+        switch (hbp_len) {
+        case SH_BREAKPOINT_LEN_1:
+                len_in_bytes = 1;
+                break;
+        case SH_BREAKPOINT_LEN_2:
+                len_in_bytes = 2;
+                break;
+        case SH_BREAKPOINT_LEN_4:
+                len_in_bytes = 4;
+                break;
+        case SH_BREAKPOINT_LEN_8:
+                len_in_bytes = 8;
+                break;
+        }
+        return len_in_bytes;
+}
+
+/*
+ * Check for virtual address in user space.
+ */
+int arch_check_va_in_userspace(unsigned long va, u16 hbp_len)
+{
+        unsigned int len;
+
+        len = get_hbp_len(hbp_len);
+
+        return (va <= TASK_SIZE - len);
+}
+
+/*
+ * Check for virtual address in kernel space.
+ */
+static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len)
+{
+        unsigned int len;
+
+        len = get_hbp_len(hbp_len);
+
+        return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE);
+}
+
+/*
+ * Store a breakpoint's encoded address, length, and type.
+ */
+static int arch_store_info(struct perf_event *bp)
+{
+        struct arch_hw_breakpoint *info = counter_arch_bp(bp);
+
+        /*
+         * User-space requests will always have the address field populated
+         * For kernel-addresses, either the address or symbol name can be
+         * specified.
+         */
+        if (info->name)
+                info->address = (unsigned long)kallsyms_lookup_name(info->name);
+        if (info->address)
+                return 0;
+
+        return -EINVAL;
+}
+
+int arch_bp_generic_fields(int sh_len, int sh_type,
+                           int *gen_len, int *gen_type)
+{
+        /* Len */
+        switch (sh_len) {
+        case SH_BREAKPOINT_LEN_1:
+                *gen_len = HW_BREAKPOINT_LEN_1;
+                break;
+        case SH_BREAKPOINT_LEN_2:
+                *gen_len = HW_BREAKPOINT_LEN_2;
+                break;
+        case SH_BREAKPOINT_LEN_4:
+                *gen_len = HW_BREAKPOINT_LEN_4;
+                break;
+        case SH_BREAKPOINT_LEN_8:
+                *gen_len = HW_BREAKPOINT_LEN_8;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        /* Type */
+        switch (sh_type) {
+        case SH_BREAKPOINT_READ:
+                *gen_type = HW_BREAKPOINT_R;
+        case SH_BREAKPOINT_WRITE:
+                *gen_type = HW_BREAKPOINT_W;
+                break;
+        case SH_BREAKPOINT_RW:
+                *gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static int arch_build_bp_info(struct perf_event *bp)
+{
+        struct arch_hw_breakpoint *info = counter_arch_bp(bp);
+
+        info->address = bp->attr.bp_addr;
+
+        /* Len */
+        switch (bp->attr.bp_len) {
+        case HW_BREAKPOINT_LEN_1:
+                info->len = SH_BREAKPOINT_LEN_1;
+                break;
+        case HW_BREAKPOINT_LEN_2:
+                info->len = SH_BREAKPOINT_LEN_2;
+                break;
+        case HW_BREAKPOINT_LEN_4:
+                info->len = SH_BREAKPOINT_LEN_4;
+                break;
+        case HW_BREAKPOINT_LEN_8:
+                info->len = SH_BREAKPOINT_LEN_8;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        /* Type */
+        switch (bp->attr.bp_type) {
+        case HW_BREAKPOINT_R:
+                info->type = SH_BREAKPOINT_READ;
+                break;
+        case HW_BREAKPOINT_W:
+                info->type = SH_BREAKPOINT_WRITE;
+                break;
+        case HW_BREAKPOINT_W | HW_BREAKPOINT_R:
+                info->type = SH_BREAKPOINT_RW;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+/*
+ * Validate the arch-specific HW Breakpoint register settings
+ */
+int arch_validate_hwbkpt_settings(struct perf_event *bp,
+                                  struct task_struct *tsk)
+{
+        struct arch_hw_breakpoint *info = counter_arch_bp(bp);
+        unsigned int align;
+        int ret;
+
+        ret = arch_build_bp_info(bp);
+        if (ret)
+                return ret;
+
+        ret = -EINVAL;
+
+        switch (info->len) {
+        case SH_BREAKPOINT_LEN_1:
+                align = 0;
+                break;
+        case SH_BREAKPOINT_LEN_2:
+                align = 1;
+                break;
+        case SH_BREAKPOINT_LEN_4:
+                align = 3;
+                break;
+        case SH_BREAKPOINT_LEN_8:
+                align = 7;
+                break;
+        default:
+                return ret;
+        }
+
+        ret = arch_store_info(bp);
+
+        if (ret < 0)
+                return ret;
+
+        /*
+         * Check that the low-order bits of the address are appropriate
+         * for the alignment implied by len.
+         */
+        if (info->address & align)
+                return -EINVAL;
+
+        /* Check that the virtual address is in the proper range */
+        if (tsk) {
+                if (!arch_check_va_in_userspace(info->address, info->len))
+                        return -EFAULT;
+        } else {
+                if (!arch_check_va_in_kernelspace(info->address, info->len))
+                        return -EFAULT;
+        }
+
+        return 0;
+}
+
+/*
+ * Release the user breakpoints used by ptrace
+ */
+void flush_ptrace_hw_breakpoint(struct task_struct *tsk)
+{
+        int i;
+        struct thread_struct *t = &tsk->thread;
+
+        for (i = 0; i < sh_ubc->num_events; i++) {
+                unregister_hw_breakpoint(t->ptrace_bps[i]);
+                t->ptrace_bps[i] = NULL;
+        }
+}
+
+static int __kprobes hw_breakpoint_handler(struct die_args *args)
+{
+        int cpu, i, rc = NOTIFY_STOP;
+        struct perf_event *bp;
+        unsigned int cmf, resume_mask;
+
+        /*
+         * Do an early return if none of the channels triggered.
+         */
+        cmf = sh_ubc->triggered_mask();
+        if (unlikely(!cmf))
+                return NOTIFY_DONE;
+
+        /*
+         * By default, resume all of the active channels.
+         */
+        resume_mask = sh_ubc->active_mask();
+
+        /*
+         * Disable breakpoints during exception handling.
+         */
+        sh_ubc->disable_all();
+
+        cpu = get_cpu();
+        for (i = 0; i < sh_ubc->num_events; i++) {
+                unsigned long event_mask = (1 << i);
+
+                if (likely(!(cmf & event_mask)))
+                        continue;
+
+                /*
+                 * The counter may be concurrently released but that can only
+                 * occur from a call_rcu() path. We can then safely fetch
+                 * the breakpoint, use its callback, touch its counter
+                 * while we are in an rcu_read_lock() path.
+                 */
+                rcu_read_lock();
+
+                bp = per_cpu(bp_per_reg[i], cpu);
+                if (bp)
+                        rc = NOTIFY_DONE;
+
+                /*
+                 * Reset the condition match flag to denote completion of
+                 * exception handling.
+                 */
+                sh_ubc->clear_triggered_mask(event_mask);
+
+                /*
+                 * bp can be NULL due to concurrent perf counter
+                 * removing.
+                 */
+                if (!bp) {
+                        rcu_read_unlock();
+                        break;
+                }
+
+                /*
+                 * Don't restore the channel if the breakpoint is from
+                 * ptrace, as it always operates in one-shot mode.
+                 */
+                if (bp->overflow_handler == ptrace_triggered)
+                        resume_mask &= ~(1 << i);
+
+                perf_bp_event(bp, args->regs);
+
+                /* Deliver the signal to userspace */
+                if (arch_check_va_in_userspace(bp->attr.bp_addr,
+                                               bp->attr.bp_len)) {
+                        siginfo_t info;
+
+                        info.si_signo = args->signr;
+                        info.si_errno = notifier_to_errno(rc);
+                        info.si_code = TRAP_HWBKPT;
+
+                        force_sig_info(args->signr, &info, current);
+                }
+
+                rcu_read_unlock();
+        }
+
+        if (cmf == 0)
+                rc = NOTIFY_DONE;
+
+        sh_ubc->enable_all(resume_mask);
+
+        put_cpu();
+
+        return rc;
+}
+
+BUILD_TRAP_HANDLER(breakpoint)
+{
+        unsigned long ex = lookup_exception_vector();
+        TRAP_HANDLER_DECL;
+
+        notify_die(DIE_BREAKPOINT, "breakpoint", regs, 0, ex, SIGTRAP);
+}
+
+/*
+ * Handle debug exception notifications.
+ */
+int __kprobes hw_breakpoint_exceptions_notify(struct notifier_block *unused,
+                                    unsigned long val, void *data)
+{
+        struct die_args *args = data;
+
+        if (val != DIE_BREAKPOINT)
+                return NOTIFY_DONE;
+
+        /*
+         * If the breakpoint hasn't been triggered by the UBC, it's
+         * probably from a debugger, so don't do anything more here.
+         *
+         * This also permits the UBC interface clock to remain off for
+         * non-UBC breakpoints, as we don't need to check the triggered
+         * or active channel masks.
+         */
+        if (args->trapnr != sh_ubc->trap_nr)
+                return NOTIFY_DONE;
+
+        return hw_breakpoint_handler(data);
+}
+
+void hw_breakpoint_pmu_read(struct perf_event *bp)
+{
+        /* TODO */
+}
+
+void hw_breakpoint_pmu_unthrottle(struct perf_event *bp)
+{
+        /* TODO */
+}
+
+int register_sh_ubc(struct sh_ubc *ubc)
+{
+        /* Bail if it's already assigned */
+        if (sh_ubc != &ubc_dummy)
+                return -EBUSY;
+        sh_ubc = ubc;
+
+        pr_info("HW Breakpoints: %s UBC support registered\n", ubc->name);
+
+        WARN_ON(ubc->num_events > HBP_NUM);
+
+        return 0;
+}
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 3e532d0d4a5c..70c69659b846 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -1,7 +1,7 @@
 /*
  * SuperH KGDB support
  *
- * Copyright (C) 2008  Paul Mundt
+ * Copyright (C) 2008 - 2009  Paul Mundt
  *
  * Single stepping taken from the old stub by Henry Bell and Jeremy Siegel.
  *
@@ -251,24 +251,60 @@ BUILD_TRAP_HANDLER(singlestep)
         local_irq_restore(flags);
 }
 
+static int __kgdb_notify(struct die_args *args, unsigned long cmd)
+{
+        int ret;
+
+        switch (cmd) {
+        case DIE_BREAKPOINT:
+                /*
+                 * This means a user thread is single stepping
+                 * a system call which should be ignored
+                 */
+                if (test_thread_flag(TIF_SINGLESTEP))
+                        return NOTIFY_DONE;
+
+                ret = kgdb_handle_exception(args->trapnr & 0xff, args->signr,
+                                            args->err, args->regs);
+                if (ret)
+                        return NOTIFY_DONE;
+
+                break;
+        }
 
-BUILD_TRAP_HANDLER(breakpoint)
+        return NOTIFY_STOP;
+}
+
+static int
+kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr)
 {
         unsigned long flags;
-        TRAP_HANDLER_DECL;
+        int ret;
 
         local_irq_save(flags);
-        kgdb_handle_exception(vec >> 2, SIGTRAP, 0, regs);
+        ret = __kgdb_notify(ptr, cmd);
         local_irq_restore(flags);
+
+        return ret;
 }
 
+static struct notifier_block kgdb_notifier = {
+        .notifier_call  = kgdb_notify,
+
+        /*
+         * Lowest-prio notifier priority, we want to be notified last:
+         */
+        .priority       = -INT_MAX,
+};
+
 int kgdb_arch_init(void)
 {
-        return 0;
+        return register_die_notifier(&kgdb_notifier);
 }
 
 void kgdb_arch_exit(void)
 {
+        unregister_die_notifier(&kgdb_notifier);
 }
 
 struct kgdb_arch arch_kgdb_ops = {
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
new file mode 100644
index 000000000000..81add9b9ea6e
--- /dev/null
+++ b/arch/sh/kernel/process.c
@@ -0,0 +1,100 @@
+#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+struct kmem_cache *task_xstate_cachep = NULL;
+unsigned int xstate_size;
+
+int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
+{
+        *dst = *src;
+
+        if (src->thread.xstate) {
+                dst->thread.xstate = kmem_cache_alloc(task_xstate_cachep,
+                                                      GFP_KERNEL);
+                if (!dst->thread.xstate)
+                        return -ENOMEM;
+                memcpy(dst->thread.xstate, src->thread.xstate, xstate_size);
+        }
+
+        return 0;
+}
+
+void free_thread_xstate(struct task_struct *tsk)
+{
+        if (tsk->thread.xstate) {
+                kmem_cache_free(task_xstate_cachep, tsk->thread.xstate);
+                tsk->thread.xstate = NULL;
+        }
+}
+
+#if THREAD_SHIFT < PAGE_SHIFT
+static struct kmem_cache *thread_info_cache;
+
+struct thread_info *alloc_thread_info(struct task_struct *tsk)
+{
+        struct thread_info *ti;
+
+        ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
+        if (unlikely(ti == NULL))
+                return NULL;
+#ifdef CONFIG_DEBUG_STACK_USAGE
+        memset(ti, 0, THREAD_SIZE);
+#endif
+        return ti;
+}
+
+void free_thread_info(struct thread_info *ti)
+{
+        free_thread_xstate(ti->task);
+        kmem_cache_free(thread_info_cache, ti);
+}
+
+void thread_info_cache_init(void)
+{
+        thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE,
+                                              THREAD_SIZE, SLAB_PANIC, NULL);
+}
+#else
+struct thread_info *alloc_thread_info(struct task_struct *tsk)
+{
+#ifdef CONFIG_DEBUG_STACK_USAGE
+        gfp_t mask = GFP_KERNEL | __GFP_ZERO;
+#else
+        gfp_t mask = GFP_KERNEL;
+#endif
+        return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER);
+}
+
+void free_thread_info(struct thread_info *ti)
+{
+        free_thread_xstate(ti->task);
+        free_pages((unsigned long)ti, THREAD_SIZE_ORDER);
+}
+#endif /* THREAD_SHIFT < PAGE_SHIFT */
+
+void arch_task_cache_init(void)
+{
+        if (!xstate_size)
+                return;
+
+        task_xstate_cachep = kmem_cache_create("task_xstate", xstate_size,
+                                               __alignof__(union thread_xstate),
+                                               SLAB_PANIC | SLAB_NOTRACK, NULL);
+}
+
+#ifdef CONFIG_SH_FPU_EMU
+# define HAVE_SOFTFP    1
+#else
+# define HAVE_SOFTFP    0
+#endif
+
+void init_thread_xstate(void)
+{
+        if (boot_cpu_data.flags & CPU_HAS_FPU)
+                xstate_size = sizeof(struct sh_fpu_hard_struct);
+        else if (HAVE_SOFTFP)
+                xstate_size = sizeof(struct sh_fpu_soft_struct);
+        else
+                xstate_size = 0;
+}
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index d8af889366a4..856010f9ebc9 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -25,17 +25,15 @@
 #include <linux/fs.h>
 #include <linux/ftrace.h>
 #include <linux/preempt.h>
+#include <linux/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/pgalloc.h>
 #include <asm/system.h>
-#include <asm/ubc.h>
 #include <asm/fpu.h>
 #include <asm/syscalls.h>
 #include <asm/watchdog.h>
 
-int ubc_usercnt = 0;
-
 #ifdef CONFIG_32BIT
 static void watchdog_trigger_immediate(void)
 {
@@ -147,21 +145,34 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 }
 EXPORT_SYMBOL(kernel_thread);
 
+void start_thread(struct pt_regs *regs, unsigned long new_pc,
+                  unsigned long new_sp)
+{
+        set_fs(USER_DS);
+
+        regs->pr = 0;
+        regs->sr = SR_FD;
+        regs->pc = new_pc;
+        regs->regs[15] = new_sp;
+
+        free_thread_xstate(current);
+}
+EXPORT_SYMBOL(start_thread);
+
 /*
  * Free current thread data structures etc..
  */
 void exit_thread(void)
 {
-        if (current->thread.ubc_pc) {
-                current->thread.ubc_pc = 0;
-                ubc_usercnt -= 1;
-        }
 }
 
 void flush_thread(void)
 {
-#if defined(CONFIG_SH_FPU)
         struct task_struct *tsk = current;
+
+        flush_ptrace_hw_breakpoint(tsk);
+
+#if defined(CONFIG_SH_FPU)
         /* Forget lazy FPU state */
         clear_fpu(tsk, task_pt_regs(tsk));
         clear_used_math();
@@ -209,11 +220,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 {
         struct thread_info *ti = task_thread_info(p);
         struct pt_regs *childregs;
+
 #if defined(CONFIG_SH_DSP)
         struct task_struct *tsk = current;
-#endif
 
-#if defined(CONFIG_SH_DSP)
         if (is_dsp_enabled(tsk)) {
                 /* We can use the __save_dsp or just copy the struct:
                  * __save_dsp(p);
@@ -244,53 +254,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         p->thread.sp = (unsigned long) childregs;
         p->thread.pc = (unsigned long) ret_from_fork;
 
-        p->thread.ubc_pc = 0;
+        memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
 
         return 0;
 }
 
-/* Tracing by user break controller.  */
-static void ubc_set_tracing(int asid, unsigned long pc)
-{
-#if defined(CONFIG_CPU_SH4A)
-        unsigned long val;
-
-        val = (UBC_CBR_ID_INST | UBC_CBR_RW_READ | UBC_CBR_CE);
-        val |= (UBC_CBR_AIE | UBC_CBR_AIV_SET(asid));
-
-        ctrl_outl(val, UBC_CBR0);
-        ctrl_outl(pc,  UBC_CAR0);
-        ctrl_outl(0x0, UBC_CAMR0);
-        ctrl_outl(0x0, UBC_CBCR);
-
-        val = (UBC_CRR_RES | UBC_CRR_PCB | UBC_CRR_BIE);
-        ctrl_outl(val, UBC_CRR0);
-
-        /* Read UBC register that we wrote last, for checking update */
-        val = ctrl_inl(UBC_CRR0);
-
-#else   /* CONFIG_CPU_SH4A */
-        ctrl_outl(pc, UBC_BARA);
-
-#ifdef CONFIG_MMU
-        ctrl_outb(asid, UBC_BASRA);
-#endif
-
-        ctrl_outl(0, UBC_BAMRA);
-
-        if (current_cpu_data.type == CPU_SH7729 ||
-            current_cpu_data.type == CPU_SH7710 ||
-            current_cpu_data.type == CPU_SH7712 ||
-            current_cpu_data.type == CPU_SH7203){
-                ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
-                ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
-        } else {
-                ctrl_outw(BBR_INST | BBR_READ, UBC_BBRA);
-                ctrl_outw(BRCR_PCBA, UBC_BRCR);
-        }
-#endif  /* CONFIG_CPU_SH4A */
-}
-
 /*
  *      switch_to(x,y) should switch tasks from x to y.
  *
@@ -304,7 +272,7 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
 
         /* we're going to use this soon, after a few expensive things */
         if (next->fpu_counter > 5)
-                prefetch(&next_t->fpu.hard);
+                prefetch(next_t->xstate);
 
 #ifdef CONFIG_MMU
         /*
@@ -316,32 +284,13 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
                      : "r" (task_thread_info(next)));
 #endif
 
-        /* If no tasks are using the UBC, we're done */
-        if (ubc_usercnt == 0)
-                /* If no tasks are using the UBC, we're done */;
-        else if (next->thread.ubc_pc && next->mm) {
-                int asid = 0;
-#ifdef CONFIG_MMU
-                asid |= cpu_asid(smp_processor_id(), next->mm);
-#endif
-                ubc_set_tracing(asid, next->thread.ubc_pc);
-        } else {
-#if defined(CONFIG_CPU_SH4A)
-                ctrl_outl(UBC_CBR_INIT, UBC_CBR0);
-                ctrl_outl(UBC_CRR_INIT, UBC_CRR0);
-#else
-                ctrl_outw(0, UBC_BBRA);
-                ctrl_outw(0, UBC_BBRB);
-#endif
-        }
-
         /*
          * If the task has used fpu the last 5 timeslices, just do a full
          * restore of the math state immediately to avoid the trap; the
          * chances of needing FPU soon are obviously high now
          */
         if (next->fpu_counter > 5)
-                fpu_state_restore(task_pt_regs(next));
+                __fpu_state_restore();
 
         return prev;
 }
@@ -434,20 +383,3 @@ unsigned long get_wchan(struct task_struct *p)
 
         return pc;
 }
-
-asmlinkage void break_point_trap(void)
-{
-        /* Clear tracing.  */
-#if defined(CONFIG_CPU_SH4A)
-        ctrl_outl(UBC_CBR_INIT, UBC_CBR0);
-        ctrl_outl(UBC_CRR_INIT, UBC_CRR0);
-#else
-        ctrl_outw(0, UBC_BBRA);
-        ctrl_outw(0, UBC_BBRB);
-        ctrl_outl(0, UBC_BRCR);
-#endif
-        current->thread.ubc_pc = 0;
-        ubc_usercnt -= 1;
-
-        force_sig(SIGTRAP, current);
-}
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 9be35f348093..c625cdab76dd 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -2,7 +2,7 @@
  * SuperH process tracing
  *
  * Copyright (C) 1999, 2000  Kaz Kojima & Niibe Yutaka
- * Copyright (C) 2002 - 2008  Paul Mundt
+ * Copyright (C) 2002 - 2009  Paul Mundt
  *
  * Audit support by Yuichi Nakamura <ynakam@hitachisoft.jp>
  *
@@ -26,6 +26,7 @@
 #include <linux/tracehook.h>
 #include <linux/elf.h>
 #include <linux/regset.h>
+#include <linux/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -63,33 +64,64 @@ static inline int put_stack_long(struct task_struct *task, int offset,
         return 0;
 }
 
-void user_enable_single_step(struct task_struct *child)
+void ptrace_triggered(struct perf_event *bp, int nmi,
+                      struct perf_sample_data *data, struct pt_regs *regs)
 {
-        /* Next scheduling will set up UBC */
-        if (child->thread.ubc_pc == 0)
-                ubc_usercnt += 1;
+        struct perf_event_attr attr;
+
+        /*
+         * Disable the breakpoint request here since ptrace has defined a
+         * one-shot behaviour for breakpoint exceptions.
+         */
+        attr = bp->attr;
+        attr.disabled = true;
+        modify_user_hw_breakpoint(bp, &attr);
+}
+
+static int set_single_step(struct task_struct *tsk, unsigned long addr)
+{
+        struct thread_struct *thread = &tsk->thread;
+        struct perf_event *bp;
+        struct perf_event_attr attr;
+
+        bp = thread->ptrace_bps[0];
+        if (!bp) {
+                hw_breakpoint_init(&attr);
+
+                attr.bp_addr = addr;
+                attr.bp_len = HW_BREAKPOINT_LEN_2;
+                attr.bp_type = HW_BREAKPOINT_R;
+
+                bp = register_user_hw_breakpoint(&attr, ptrace_triggered, tsk);
+                if (IS_ERR(bp))
+                        return PTR_ERR(bp);
+
+                thread->ptrace_bps[0] = bp;
+        } else {
+                int err;
+
+                attr = bp->attr;
+                attr.bp_addr = addr;
+                err = modify_user_hw_breakpoint(bp, &attr);
+                if (unlikely(err))
+                        return err;
+        }
+
+        return 0;
+}
 
-        child->thread.ubc_pc = get_stack_long(child,
-                                offsetof(struct pt_regs, pc));
+void user_enable_single_step(struct task_struct *child)
+{
+        unsigned long pc = get_stack_long(child, offsetof(struct pt_regs, pc));
 
         set_tsk_thread_flag(child, TIF_SINGLESTEP);
+
+        set_single_step(child, pc);
 }
 
 void user_disable_single_step(struct task_struct *child)
 {
         clear_tsk_thread_flag(child, TIF_SINGLESTEP);
-
-        /*
-         * Ensure the UBC is not programmed at the next context switch.
-         *
-         * Normally this is not needed but there are sequences such as
-         * singlestep, signal delivery, and continue that leave the
-         * ubc_pc non-zero leading to spurious SIGTRAPs.
-         */
-        if (child->thread.ubc_pc != 0) {
-                ubc_usercnt -= 1;
-                child->thread.ubc_pc = 0;
-        }
 }
 
 /*
@@ -163,10 +195,10 @@ int fpregs_get(struct task_struct *target,
 
         if ((boot_cpu_data.flags & CPU_HAS_FPU))
                 return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-                                           &target->thread.fpu.hard, 0, -1);
+                                           &target->thread.xstate->hardfpu, 0, -1);
 
         return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-                                   &target->thread.fpu.soft, 0, -1);
+                                   &target->thread.xstate->softfpu, 0, -1);
 }
 
 static int fpregs_set(struct task_struct *target,
@@ -184,10 +216,10 @@ static int fpregs_set(struct task_struct *target,
 
         if ((boot_cpu_data.flags & CPU_HAS_FPU))
                 return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-                                          &target->thread.fpu.hard, 0, -1);
+                                          &target->thread.xstate->hardfpu, 0, -1);
 
         return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-                                  &target->thread.fpu.soft, 0, -1);
+                                  &target->thread.xstate->softfpu, 0, -1);
 }
 
 static int fpregs_active(struct task_struct *target,
@@ -333,7 +365,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                                 else
                                         tmp = 0;
                         } else
-                                tmp = ((long *)&child->thread.fpu)
+                                tmp = ((long *)child->thread.xstate)
                                         [(addr - (long)&dummy->fpu) >> 2];
                 } else if (addr == (long) &dummy->u_fpvalid)
                         tmp = !!tsk_used_math(child);
@@ -362,7 +394,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 else if (addr >= (long) &dummy->fpu &&
                          addr < (long) &dummy->u_fpvalid) {
                         set_stopped_child_used_math(child);
-                        ((long *)&child->thread.fpu)
+                        ((long *)child->thread.xstate)
                                 [(addr - (long)&dummy->fpu) >> 2] = data;
                         ret = 0;
                 } else if (addr == (long) &dummy->u_fpvalid) {
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 12815ce01ecd..6a7cce79eb4e 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -150,7 +150,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
                 return 0;
 
         set_used_math();
-        return __copy_from_user(&tsk->thread.fpu.hard, &sc->sc_fpregs[0],
+        return __copy_from_user(&tsk->thread.xstate->hardfpu, &sc->sc_fpregs[0],
                                 sizeof(long)*(16*2+2));
 }
 
@@ -175,7 +175,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
         clear_used_math();
 
         unlazy_fpu(tsk, regs);
-        return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.fpu.hard,
+        return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.xstate->hardfpu,
                               sizeof(long)*(16*2+2));
 }
 #endif /* CONFIG_SH_FPU */
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 204def6ecb6a..9c090cb68878 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -846,7 +846,7 @@ void __init trap_init(void)
 #endif
 
 #ifdef TRAP_UBC
-        set_exception_table_vec(TRAP_UBC, break_point_trap);
+        set_exception_table_vec(TRAP_UBC, breakpoint_trap_handler);
 #endif
 
         /* Save off the BIOS VBR, if there is one */
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
index d6c15cae0912..1fcdb1220975 100644
--- a/arch/sh/math-emu/math.c
+++ b/arch/sh/math-emu/math.c
@@ -471,10 +471,10 @@ static int fpu_emulate(u16 code, struct sh_fpu_soft_struct *fregs, struct pt_reg
  *      denormal_to_double - Given denormalized float number,
  *                           store double float
  *
- *      @fpu: Pointer to sh_fpu_hard structure
+ *      @fpu: Pointer to sh_fpu_soft structure
  *      @n: Index to FP register
  */
-static void denormal_to_double(struct sh_fpu_hard_struct *fpu, int n)
+static void denormal_to_double(struct sh_fpu_soft_struct *fpu, int n)
 {
         unsigned long du, dl;
         unsigned long x = fpu->fpul;
@@ -552,11 +552,11 @@ static int ieee_fpe_handler(struct pt_regs *regs)
         if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */
                 struct task_struct *tsk = current;
 
-                if ((tsk->thread.fpu.hard.fpscr & (1 << 17))) {
+                if ((tsk->thread.xstate->softfpu.fpscr & (1 << 17))) {
                         /* FPU error */
-                        denormal_to_double (&tsk->thread.fpu.hard,
+                        denormal_to_double (&tsk->thread.xstate->softfpu,
                                             (finsn >> 8) & 0xf);
-                        tsk->thread.fpu.hard.fpscr &=
+                        tsk->thread.xstate->softfpu.fpscr &=
                                 ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
                         task_thread_info(tsk)->status |= TS_USEDFPU;
                 } else {
@@ -617,7 +617,7 @@ static void fpu_init(struct sh_fpu_soft_struct *fpu)
 int do_fpu_inst(unsigned short inst, struct pt_regs *regs)
 {
         struct task_struct *tsk = current;
-        struct sh_fpu_soft_struct *fpu = &(tsk->thread.fpu.soft);
+        struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu);
 
         if (!(task_thread_info(tsk)->status & TS_USEDFPU)) {
                 /* initialize once. */
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 761910d142f8..d5fb014279ad 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -283,35 +283,6 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 }
 #endif
 
-#if THREAD_SHIFT < PAGE_SHIFT
-static struct kmem_cache *thread_info_cache;
-
-struct thread_info *alloc_thread_info(struct task_struct *tsk)
-{
-        struct thread_info *ti;
-
-        ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
-        if (unlikely(ti == NULL))
-                return NULL;
-#ifdef CONFIG_DEBUG_STACK_USAGE
-        memset(ti, 0, THREAD_SIZE);
-#endif
-        return ti;
-}
-
-void free_thread_info(struct thread_info *ti)
-{
-        kmem_cache_free(thread_info_cache, ti);
-}
-
-void thread_info_cache_init(void)
-{
-        thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE,
-                                              THREAD_SIZE, 0, NULL);
-        BUG_ON(thread_info_cache == NULL);
-}
-#endif /* THREAD_SHIFT < PAGE_SHIFT */
-
 #ifdef CONFIG_MEMORY_HOTPLUG
 int arch_add_memory(int nid, u64 start, u64 size)
 {
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index f30f4a1ead23..d242a7340541 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -96,7 +96,6 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
         int cpu = smp_processor_id();
 
         clear_softint(1 << irq);
-        pcr_ops->write(PCR_PIC_PRIV);
 
         local_cpu_data().__nmi_count++;
 
@@ -105,6 +104,8 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
         if (notify_die(DIE_NMI, "nmi", regs, 0,
                        pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
                 touched = 1;
+        else
+                pcr_ops->write(PCR_PIC_PRIV);
 
         sum = kstat_irqs_cpu(0, cpu);
         if (__get_cpu_var(nmi_touch)) {
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index fa5936e1c3b9..198fb4e79ba2 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -986,6 +986,17 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
         data.addr = 0;
 
         cpuc = &__get_cpu_var(cpu_hw_events);
+
+        /* If the PMU has the TOE IRQ enable bits, we need to do a
+         * dummy write to the %pcr to clear the overflow bits and thus
+         * the interrupt.
+         *
+         * Do this before we peek at the counters to determine
+         * overflow so we don't lose any events.
+         */
+        if (sparc_pmu->irq_bit)
+                pcr_ops->write(cpuc->pcr);
+
         for (idx = 0; idx < MAX_HWEVENTS; idx++) {
                 struct perf_event *event = cpuc->events[idx];
                 struct hw_perf_event *hwc;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 55298e891571..cbcbfdee3ee0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -49,6 +49,7 @@ config X86
         select HAVE_KERNEL_GZIP
         select HAVE_KERNEL_BZIP2
         select HAVE_KERNEL_LZMA
+        select HAVE_KERNEL_LZO
         select HAVE_HW_BREAKPOINT
         select PERF_EVENTS
         select ANON_INODES
@@ -1246,6 +1247,11 @@ config ARCH_MEMORY_PROBE
         def_bool X86_64
         depends on MEMORY_HOTPLUG
 
+config ILLEGAL_POINTER_VALUE
+       hex
+       default 0 if X86_32
+       default 0xdead000000000000 if X86_64
+
 source "mm/Kconfig"
 
 config HIGHPTE
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 08e442bc3ab9..f20ddf84a893 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -396,7 +396,7 @@ config X86_TSC
 
 config X86_CMPXCHG64
         def_bool y
-        depends on !M386 && !M486
+        depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM
 
 # this should be set for all -march=.. options where the compiler
 # generates cmov.
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index f8ed0658404c..fbb47daf2459 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -4,11 +4,12 @@
 # create a compressed vmlinux image from the original vmlinux
 #
 
-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o
+targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.lzo head_$(BITS).o misc.o piggy.o
 
 KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
+cflags-$(CONFIG_X86_32) := -march=i386
 cflags-$(CONFIG_X86_64) := -mcmodel=small
 KBUILD_CFLAGS += $(cflags-y)
 KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
@@ -48,10 +49,13 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
         $(call if_changed,bzip2)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
         $(call if_changed,lzma)
+$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
+        $(call if_changed,lzo)
 
 suffix-$(CONFIG_KERNEL_GZIP)    := gz
 suffix-$(CONFIG_KERNEL_BZIP2)   := bz2
 suffix-$(CONFIG_KERNEL_LZMA)    := lzma
+suffix-$(CONFIG_KERNEL_LZO)     := lzo
 
 quiet_cmd_mkpiggy = MKPIGGY $@
       cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false )
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 842b2a36174a..3b22fe8ab91b 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -162,6 +162,10 @@ static int lines, cols;
 #include "../../../../lib/decompress_unlzma.c"
 #endif
 
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
+
 static void scroll(void)
 {
         int i;
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index 950df434763f..f46b79f6c16c 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -254,6 +254,10 @@ struct kvm_reinject_control {
         __u8 reserved[31];
 };
 
+/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
+#define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
+#define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
+
 /* for KVM_GET/SET_VCPU_EVENTS */
 struct kvm_vcpu_events {
         struct {
diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
index 0c9825e97f36..088d09fb1615 100644
--- a/arch/x86/include/asm/uaccess_32.h
+++ b/arch/x86/include/asm/uaccess_32.h
@@ -205,14 +205,13 @@ static inline unsigned long __must_check copy_from_user(void *to,
                                           unsigned long n)
 {
         int sz = __compiletime_object_size(to);
-        int ret = -EFAULT;
 
         if (likely(sz == -1 || sz >= n))
-                ret = _copy_from_user(to, from, n);
+                n = _copy_from_user(to, from, n);
         else
                 copy_from_user_overflow();
 
-        return ret;
+        return n;
 }
 
 long __must_check strncpy_from_user(char *dst, const char __user *src,
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index 46324c6a4f6e..535e421498f6 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -30,16 +30,15 @@ static inline unsigned long __must_check copy_from_user(void *to,
                                           unsigned long n)
 {
         int sz = __compiletime_object_size(to);
-        int ret = -EFAULT;
 
         might_fault();
         if (likely(sz == -1 || sz >= n))
-                ret = _copy_from_user(to, from, n);
+                n = _copy_from_user(to, from, n);
 #ifdef CONFIG_DEBUG_VM
         else
                 WARN(1, "Buffer overflow detected!\n");
 #endif
-        return ret;
+        return n;
 }
 
 static __always_inline __must_check
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 811bfabc80b7..bc54fa965af3 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -31,20 +31,20 @@
  *                contiguous (although various IO spaces may punch holes in
  *                it)..
  *
- *      N       - Number of bits in the node portion of a socket physical
- *                address.
+ *      N       - Number of bits in the node portion of a socket physical
+ *                address.
  *
- *      NASID   - network ID of a router, Mbrick or Cbrick. Nasid values of
- *                routers always have low bit of 1, C/MBricks have low bit
- *                equal to 0. Most addressing macros that target UV hub chips
- *                right shift the NASID by 1 to exclude the always-zero bit.
- *                NASIDs contain up to 15 bits.
+ *      NASID   - network ID of a router, Mbrick or Cbrick. Nasid values of
+ *                routers always have low bit of 1, C/MBricks have low bit
+ *                equal to 0. Most addressing macros that target UV hub chips
+ *                right shift the NASID by 1 to exclude the always-zero bit.
+ *                NASIDs contain up to 15 bits.
  *
  *      GNODE   - NASID right shifted by 1 bit. Most mmrs contain gnodes instead
  *                of nasids.
  *
- *      PNODE   - the low N bits of the GNODE. The PNODE is the most useful variant
- *                of the nasid for socket usage.
+ *      PNODE   - the low N bits of the GNODE. The PNODE is the most useful variant
+ *                of the nasid for socket usage.
  *
  *
  *  NumaLink Global Physical Address Format:
@@ -71,12 +71,12 @@
  *
  *
  * APICID format
- *      NOTE!!!!!! This is the current format of the APICID. However, code
- *      should assume that this will change in the future. Use functions
- *      in this file for all APICID bit manipulations and conversion.
+ *      NOTE!!!!!! This is the current format of the APICID. However, code
+ *      should assume that this will change in the future. Use functions
+ *      in this file for all APICID bit manipulations and conversion.
  *
- *              1111110000000000
- *              5432109876543210
+ *              1111110000000000
+ *              5432109876543210
  *              pppppppppplc0cch
  *              sssssssssss
  *
@@ -89,9 +89,9 @@
  *      Note: Processor only supports 12 bits in the APICID register. The ACPI
  *            tables hold all 16 bits. Software needs to be aware of this.
  *
- *            Unless otherwise specified, all references to APICID refer to
- *            the FULL value contained in ACPI tables, not the subset in the
- *            processor APICID register.
+ *            Unless otherwise specified, all references to APICID refer to
+ *            the FULL value contained in ACPI tables, not the subset in the
+ *            processor APICID register.
  */
 
 
@@ -151,16 +151,16 @@ struct uv_hub_info_s {
 };
 
 DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
-#define uv_hub_info             (&__get_cpu_var(__uv_hub_info))
+#define uv_hub_info             (&__get_cpu_var(__uv_hub_info))
 #define uv_cpu_hub_info(cpu)    (&per_cpu(__uv_hub_info, cpu))
 
 /*
  * Local & Global MMR space macros.
- *      Note: macros are intended to be used ONLY by inline functions
- *      in this file - not by other kernel code.
- *              n -  NASID (full 15-bit global nasid)
- *              g -  GNODE (full 15-bit global nasid, right shifted 1)
- *              p -  PNODE (local part of nsids, right shifted 1)
+ *      Note: macros are intended to be used ONLY by inline functions
+ *      in this file - not by other kernel code.
+ *              n -  NASID (full 15-bit global nasid)
+ *              g -  GNODE (full 15-bit global nasid, right shifted 1)
+ *              p -  PNODE (local part of nsids, right shifted 1)
  */
 #define UV_NASID_TO_PNODE(n)            (((n) >> 1) & uv_hub_info->pnode_mask)
 #define UV_PNODE_TO_GNODE(p)            ((p) |uv_hub_info->gnode_extra)
@@ -215,8 +215,8 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
 /*
  * Macros for converting between kernel virtual addresses, socket local physical
  * addresses, and UV global physical addresses.
- *      Note: use the standard __pa() & __va() macros for converting
- *            between socket virtual and socket physical addresses.
+ *      Note: use the standard __pa() & __va() macros for converting
+ *            between socket virtual and socket physical addresses.
  */
 
 /* socket phys RAM --> UV global physical address */
@@ -287,21 +287,18 @@ static inline int uv_apicid_to_pnode(int apicid)
  * Access global MMRs using the low memory MMR32 space. This region supports
  * faster MMR access but not all MMRs are accessible in this space.
  */
-static inline unsigned long *uv_global_mmr32_address(int pnode,
-                                unsigned long offset)
+static inline unsigned long *uv_global_mmr32_address(int pnode, unsigned long offset)
 {
         return __va(UV_GLOBAL_MMR32_BASE |
                        UV_GLOBAL_MMR32_PNODE_BITS(pnode) | offset);
 }
 
-static inline void uv_write_global_mmr32(int pnode, unsigned long offset,
-                                 unsigned long val)
+static inline void uv_write_global_mmr32(int pnode, unsigned long offset, unsigned long val)
 {
         writeq(val, uv_global_mmr32_address(pnode, offset));
 }
 
-static inline unsigned long uv_read_global_mmr32(int pnode,
-                                                 unsigned long offset)
+static inline unsigned long uv_read_global_mmr32(int pnode, unsigned long offset)
 {
         return readq(uv_global_mmr32_address(pnode, offset));
 }
@@ -310,21 +307,18 @@ static inline unsigned long uv_read_global_mmr32(int pnode,
  * Access Global MMR space using the MMR space located at the top of physical
  * memory.
  */
-static inline unsigned long *uv_global_mmr64_address(int pnode,
-                                unsigned long offset)
+static inline unsigned long *uv_global_mmr64_address(int pnode, unsigned long offset)
 {
         return __va(UV_GLOBAL_MMR64_BASE |
                     UV_GLOBAL_MMR64_PNODE_BITS(pnode) | offset);
 }
 
-static inline void uv_write_global_mmr64(int pnode, unsigned long offset,
-                                unsigned long val)
+static inline void uv_write_global_mmr64(int pnode, unsigned long offset, unsigned long val)
 {
         writeq(val, uv_global_mmr64_address(pnode, offset));
 }
 
-static inline unsigned long uv_read_global_mmr64(int pnode,
-                                                 unsigned long offset)
+static inline unsigned long uv_read_global_mmr64(int pnode, unsigned long offset)
 {
         return readq(uv_global_mmr64_address(pnode, offset));
 }
@@ -338,6 +332,16 @@ static inline unsigned long uv_global_gru_mmr_address(int pnode, unsigned long o
         return UV_GLOBAL_GRU_MMR_BASE | offset | (pnode << uv_hub_info->m_val);
 }
 
+static inline void uv_write_global_mmr8(int pnode, unsigned long offset, unsigned char val)
+{
+        writeb(val, uv_global_mmr64_address(pnode, offset));
+}
+
+static inline unsigned char uv_read_global_mmr8(int pnode, unsigned long offset)
+{
+        return readb(uv_global_mmr64_address(pnode, offset));
+}
+
 /*
  * Access hub local MMRs. Faster than using global space but only local MMRs
  * are accessible.
@@ -457,11 +461,17 @@ static inline void uv_set_scir_bits(unsigned char value)
         }
 }
 
+static inline unsigned long uv_scir_offset(int apicid)
+{
+        return SCIR_LOCAL_MMR_BASE | (apicid & 0x3f);
+}
+
 static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value)
 {
         if (uv_cpu_hub_info(cpu)->scir.state != value) {
+                uv_write_global_mmr8(uv_cpu_to_pnode(cpu),
+                                uv_cpu_hub_info(cpu)->scir.offset, value);
                 uv_cpu_hub_info(cpu)->scir.state = value;
-                uv_write_local_mmr8(uv_cpu_hub_info(cpu)->scir.offset, value);
         }
 }
 
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 82e508677b91..f9961034e557 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -162,6 +162,8 @@ static int __init acpi_sleep_setup(char *str)
 #endif
                 if (strncmp(str, "old_ordering", 12) == 0)
                         acpi_old_suspend_ordering();
+                if (strncmp(str, "sci_force_enable", 16) == 0)
+                        acpi_set_sci_en_on_resume();
                 str = strchr(str, ',');
                 if (str != NULL)
                         str += strspn(str, ", \t");
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 1dca9c34eaeb..fb490ce7dd55 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -138,6 +138,11 @@ int amd_iommus_present;
 bool amd_iommu_np_cache __read_mostly;
 
 /*
+ * Set to true if ACPI table parsing and hardware intialization went properly
+ */
+static bool amd_iommu_initialized;
+
+/*
  * List of protection domains - used during resume
  */
 LIST_HEAD(amd_iommu_pd_list);
@@ -929,6 +934,8 @@ static int __init init_iommu_all(struct acpi_table_header *table)
         }
         WARN_ON(p != end);
 
+        amd_iommu_initialized = true;
+
         return 0;
 }
 
@@ -1263,6 +1270,9 @@ static int __init amd_iommu_init(void)
         if (acpi_table_parse("IVRS", init_iommu_all) != 0)
                 goto free;
 
+        if (!amd_iommu_initialized)
+                goto free;
+
         if (acpi_table_parse("IVRS", init_memory_definitions) != 0)
                 goto free;
 
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index aa57c079c98f..e80f291472a4 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -62,7 +62,7 @@ unsigned int boot_cpu_physical_apicid = -1U;
 /*
  * The highest APIC ID seen during enumeration.
  *
- * On AMD, this determines the messaging protocol we can use: if all APIC IDs
+ * This determines the messaging protocol we can use: if all APIC IDs
  * are in the 0 ... 7 range, then we can use logical addressing which
  * has some performance advantages (better broadcasting).
  *
@@ -1898,14 +1898,24 @@ void __cpuinit generic_processor_info(int apicid, int version)
                 max_physical_apicid = apicid;
 
 #ifdef CONFIG_X86_32
-        switch (boot_cpu_data.x86_vendor) {
-        case X86_VENDOR_INTEL:
-                if (num_processors > 8)
-                        def_to_bigsmp = 1;
-                break;
-        case X86_VENDOR_AMD:
-                if (max_physical_apicid >= 8)
+        /*
+         * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
+         * but we need to work other dependencies like SMP_SUSPEND etc
+         * before this can be done without some confusion.
+         * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
+         *       - Ashok Raj <ashok.raj@intel.com>
+         */
+        if (max_physical_apicid >= 8) {
+                switch (boot_cpu_data.x86_vendor) {
+                case X86_VENDOR_INTEL:
+                        if (!APIC_XAPIC(version)) {
+                                def_to_bigsmp = 0;
+                                break;
+                        }
+                        /* If P4 and above fall through */
+                case X86_VENDOR_AMD:
                         def_to_bigsmp = 1;
+                }
         }
 #endif
 
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index de00c4619a55..53243ca7816d 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2434,6 +2434,13 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
                 cfg = irq_cfg(irq);
                 raw_spin_lock(&desc->lock);
 
+                /*
+                 * Check if the irq migration is in progress. If so, we
+                 * haven't received the cleanup request yet for this irq.
+                 */
+                if (cfg->move_in_progress)
+                        goto unlock;
+
                 if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
                         goto unlock;
 
diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c
index c4cbd3080c1c..65edc180fc82 100644
--- a/arch/x86/kernel/apic/probe_64.c
+++ b/arch/x86/kernel/apic/probe_64.c
@@ -64,23 +64,16 @@ void __init default_setup_apic_routing(void)
                         apic = &apic_x2apic_phys;
                 else
                         apic = &apic_x2apic_cluster;
+                printk(KERN_INFO "Setting APIC routing to %s\n", apic->name);
         }
 #endif
 
         if (apic == &apic_flat) {
-                switch (boot_cpu_data.x86_vendor) {
-                case X86_VENDOR_INTEL:
-                        if (num_processors > 8)
-                                apic = &apic_physflat;
-                        break;
-                case X86_VENDOR_AMD:
-                        if (max_physical_apicid >= 8)
-                                apic = &apic_physflat;
-                }
+                if (max_physical_apicid >= 8)
+                        apic = &apic_physflat;
+                printk(KERN_INFO "Setting APIC routing to %s\n", apic->name);
         }
 
-        printk(KERN_INFO "Setting APIC routing to %s\n", apic->name);
-
         if (is_vsmp_box()) {
                 /* need to update phys_pkg_id */
                 apic->phys_pkg_id = apicid_phys_pkg_id;
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index d56b0efb2057..5f92494dab61 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -629,8 +629,10 @@ void __init uv_system_init(void)
         uv_rtc_init();
 
         for_each_present_cpu(cpu) {
+                int apicid = per_cpu(x86_cpu_to_apicid, cpu);
+
                 nid = cpu_to_node(cpu);
-                pnode = uv_apicid_to_pnode(per_cpu(x86_cpu_to_apicid, cpu));
+                pnode = uv_apicid_to_pnode(apicid);
                 blade = boot_pnode_to_blade(pnode);
                 lcpu = uv_blade_info[blade].nr_possible_cpus;
                 uv_blade_info[blade].nr_possible_cpus++;
@@ -651,15 +653,13 @@ void __init uv_system_init(void)
                 uv_cpu_hub_info(cpu)->gnode_extra = gnode_extra;
                 uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
                 uv_cpu_hub_info(cpu)->coherency_domain_number = sn_coherency_id;
-                uv_cpu_hub_info(cpu)->scir.offset = SCIR_LOCAL_MMR_BASE + lcpu;
+                uv_cpu_hub_info(cpu)->scir.offset = uv_scir_offset(apicid);
                 uv_node_to_blade[nid] = blade;
                 uv_cpu_to_blade[cpu] = blade;
                 max_pnode = max(pnode, max_pnode);
 
-                printk(KERN_DEBUG "UV: cpu %d, apicid 0x%x, pnode %d, nid %d, "
-                        "lcpu %d, blade %d\n",
-                        cpu, per_cpu(x86_cpu_to_apicid, cpu), pnode, nid,
-                        lcpu, blade);
+                printk(KERN_DEBUG "UV: cpu %d, apicid 0x%x, pnode %d, nid %d, lcpu %d, blade %d\n",
+                        cpu, apicid, pnode, nid, lcpu, blade);
         }
 
         /* Add blade/pnode info for nodes without cpus */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index c223b7e895d9..d616c06e99b4 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -2347,7 +2347,7 @@ perf_callchain_kernel(struct pt_regs *regs, struct perf_callchain_entry *entry)
         callchain_store(entry, PERF_CONTEXT_KERNEL);
         callchain_store(entry, regs->ip);
 
-        dump_trace(NULL, regs, NULL, 0, &backtrace_ops, entry);
+        dump_trace(NULL, regs, NULL, regs->bp, &backtrace_ops, entry);
 }
 
 /*
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 05ed7ab2ca48..a1a7876cadcb 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -733,13 +733,13 @@ struct early_res {
 };
 static struct early_res early_res[MAX_EARLY_RES] __initdata = {
         { 0, PAGE_SIZE, "BIOS data page", 1 },  /* BIOS data page */
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
         /*
          * But first pinch a few for the stack/trampoline stuff
          * FIXME: Don't need the extra page at 4K, but need to fix
          * trampoline before removing it. (see the GDT stuff)
          */
-        { PAGE_SIZE, PAGE_SIZE, "EX TRAMPOLINE", 1 },
+        { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
 #endif
 
         {}
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 98c2cdeb599e..c6ee241c8a98 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -103,8 +103,8 @@ void show_regs_common(void)
         if (!product)
                 product = "";
 
-        printk("\n");
-        printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n",
+        printk(KERN_CONT "\n");
+        printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n",
                 current->pid, current->comm, print_tainted(),
                 init_utsname()->release,
                 (int)strcspn(init_utsname()->version, " "),
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 9c517b5858f0..37ad1e046aae 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -139,16 +139,16 @@ void __show_regs(struct pt_regs *regs, int all)
 
         show_regs_common();
 
-        printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
+        printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
                         (u16)regs->cs, regs->ip, regs->flags,
                         smp_processor_id());
         print_symbol("EIP is at %s\n", regs->ip);
 
-        printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
+        printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
                 regs->ax, regs->bx, regs->cx, regs->dx);
-        printk("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n",
+        printk(KERN_DEFAULT "ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n",
                 regs->si, regs->di, regs->bp, sp);
-        printk(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n",
+        printk(KERN_DEFAULT " DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n",
                (u16)regs->ds, (u16)regs->es, (u16)regs->fs, gs, ss);
 
         if (!all)
@@ -158,19 +158,19 @@ void __show_regs(struct pt_regs *regs, int all)
         cr2 = read_cr2();
         cr3 = read_cr3();
         cr4 = read_cr4_safe();
-        printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n",
+        printk(KERN_DEFAULT "CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n",
                         cr0, cr2, cr3, cr4);
 
         get_debugreg(d0, 0);
         get_debugreg(d1, 1);
         get_debugreg(d2, 2);
         get_debugreg(d3, 3);
-        printk("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n",
+        printk(KERN_DEFAULT "DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n",
                         d0, d1, d2, d3);
 
         get_debugreg(d6, 6);
         get_debugreg(d7, 7);
-        printk("DR6: %08lx DR7: %08lx\n",
+        printk(KERN_DEFAULT "DR6: %08lx DR7: %08lx\n",
                         d6, d7);
 }
 
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 52fbd0c60198..f9e033150cdf 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -161,19 +161,19 @@ void __show_regs(struct pt_regs *regs, int all)
         unsigned int ds, cs, es;
 
         show_regs_common();
-        printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
+        printk(KERN_DEFAULT "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
         printk_address(regs->ip, 1);
-        printk(KERN_INFO "RSP: %04lx:%016lx  EFLAGS: %08lx\n", regs->ss,
+        printk(KERN_DEFAULT "RSP: %04lx:%016lx  EFLAGS: %08lx\n", regs->ss,
                         regs->sp, regs->flags);
-        printk(KERN_INFO "RAX: %016lx RBX: %016lx RCX: %016lx\n",
+        printk(KERN_DEFAULT "RAX: %016lx RBX: %016lx RCX: %016lx\n",
                regs->ax, regs->bx, regs->cx);
-        printk(KERN_INFO "RDX: %016lx RSI: %016lx RDI: %016lx\n",
+        printk(KERN_DEFAULT "RDX: %016lx RSI: %016lx RDI: %016lx\n",
                regs->dx, regs->si, regs->di);
-        printk(KERN_INFO "RBP: %016lx R08: %016lx R09: %016lx\n",
+        printk(KERN_DEFAULT "RBP: %016lx R08: %016lx R09: %016lx\n",
                regs->bp, regs->r8, regs->r9);
-        printk(KERN_INFO "R10: %016lx R11: %016lx R12: %016lx\n",
+        printk(KERN_DEFAULT "R10: %016lx R11: %016lx R12: %016lx\n",
                regs->r10, regs->r11, regs->r12);
-        printk(KERN_INFO "R13: %016lx R14: %016lx R15: %016lx\n",
+        printk(KERN_DEFAULT "R13: %016lx R14: %016lx R15: %016lx\n",
                regs->r13, regs->r14, regs->r15);
 
         asm("movl %%ds,%0" : "=r" (ds));
@@ -194,21 +194,21 @@ void __show_regs(struct pt_regs *regs, int all)
         cr3 = read_cr3();
         cr4 = read_cr4();
 
-        printk(KERN_INFO "FS:  %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n",
+        printk(KERN_DEFAULT "FS:  %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n",
                fs, fsindex, gs, gsindex, shadowgs);
-        printk(KERN_INFO "CS:  %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds,
+        printk(KERN_DEFAULT "CS:  %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds,
                         es, cr0);
-        printk(KERN_INFO "CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3,
+        printk(KERN_DEFAULT "CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3,
                         cr4);
 
         get_debugreg(d0, 0);
         get_debugreg(d1, 1);
         get_debugreg(d2, 2);
-        printk(KERN_INFO "DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2);
+        printk(KERN_DEFAULT "DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2);
         get_debugreg(d3, 3);
         get_debugreg(d6, 6);
         get_debugreg(d7, 7);
-        printk(KERN_INFO "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7);
+        printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7);
 }
 
 void show_regs(struct pt_regs *regs)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index cd60c0bd1b32..3063a0c4858b 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1150,6 +1150,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu)
         hrtimer_cancel(&apic->lapic_timer.timer);
         update_divide_count(apic);
         start_apic_timer(apic);
+        apic->irr_pending = true;
 }
 
 void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index a6017132fba8..58a0f1e88596 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -455,8 +455,6 @@ out_unlock:
 static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 {
         struct kvm_shadow_walk_iterator iterator;
-        pt_element_t gpte;
-        gpa_t pte_gpa = -1;
         int level;
         u64 *sptep;
         int need_flush = 0;
@@ -470,10 +468,6 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
                 if (level == PT_PAGE_TABLE_LEVEL  ||
                     ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
                     ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
-                        struct kvm_mmu_page *sp = page_header(__pa(sptep));
-
-                        pte_gpa = (sp->gfn << PAGE_SHIFT);
-                        pte_gpa += (sptep - sp->spt) * sizeof(pt_element_t);
 
                         if (is_shadow_present_pte(*sptep)) {
                                 rmap_remove(vcpu->kvm, sptep);
@@ -492,18 +486,6 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
         if (need_flush)
                 kvm_flush_remote_tlbs(vcpu->kvm);
         spin_unlock(&vcpu->kvm->mmu_lock);
-
-        if (pte_gpa == -1)
-                return;
-        if (kvm_read_guest_atomic(vcpu->kvm, pte_gpa, &gpte,
-                                  sizeof(pt_element_t)))
-                return;
-        if (is_present_gpte(gpte) && (gpte & PT_ACCESSED_MASK)) {
-                if (mmu_topup_memory_caches(vcpu))
-                        return;
-                kvm_mmu_pte_write(vcpu, pte_gpa, (const u8 *)&gpte,
-                                  sizeof(pt_element_t), 0);
-        }
 }
 
 static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9d068966fb2a..6651dbf58675 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1913,7 +1913,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 
         events->sipi_vector = vcpu->arch.sipi_vector;
 
-        events->flags = 0;
+        events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING
+                         | KVM_VCPUEVENT_VALID_SIPI_VECTOR);
 
         vcpu_put(vcpu);
 }
@@ -1921,7 +1922,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
                                               struct kvm_vcpu_events *events)
 {
-        if (events->flags)
+        if (events->flags & ~(KVM_VCPUEVENT_VALID_NMI_PENDING
+                              | KVM_VCPUEVENT_VALID_SIPI_VECTOR))
                 return -EINVAL;
 
         vcpu_load(vcpu);
@@ -1938,10 +1940,12 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
                 kvm_pic_clear_isr_ack(vcpu->kvm);
 
         vcpu->arch.nmi_injected = events->nmi.injected;
-        vcpu->arch.nmi_pending = events->nmi.pending;
+        if (events->flags & KVM_VCPUEVENT_VALID_NMI_PENDING)
+                vcpu->arch.nmi_pending = events->nmi.pending;
         kvm_x86_ops->set_nmi_mask(vcpu, events->nmi.masked);
 
-        vcpu->arch.sipi_vector = events->sipi_vector;
+        if (events->flags & KVM_VCPUEVENT_VALID_SIPI_VECTOR)
+                vcpu->arch.sipi_vector = events->sipi_vector;
 
         vcpu_put(vcpu);
 
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c973f8e2a6cf..9a0c258a86be 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -892,8 +892,7 @@ void __init mem_init(void)
                 reservedpages << (PAGE_SHIFT-10),
                 datasize >> 10,
                 initsize >> 10,
-                (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
-               );
+                totalhigh_pages << (PAGE_SHIFT-10));
 
         printk(KERN_INFO "virtual kernel memory layout:\n"
                 "    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
diff --git a/arch/x86/mm/kmemcheck/error.c b/arch/x86/mm/kmemcheck/error.c
index 4901d0dafda6..af3b6c8a436f 100644
--- a/arch/x86/mm/kmemcheck/error.c
+++ b/arch/x86/mm/kmemcheck/error.c
@@ -106,26 +106,25 @@ void kmemcheck_error_recall(void)
 
         switch (e->type) {
         case KMEMCHECK_ERROR_INVALID_ACCESS:
-                printk(KERN_ERR  "WARNING: kmemcheck: Caught %d-bit read "
-                        "from %s memory (%p)\n",
+                printk(KERN_WARNING "WARNING: kmemcheck: Caught %d-bit read from %s memory (%p)\n",
                         8 * e->size, e->state < ARRAY_SIZE(desc) ?
                                 desc[e->state] : "(invalid shadow state)",
                         (void *) e->address);
 
-                printk(KERN_INFO);
+                printk(KERN_WARNING);
                 for (i = 0; i < SHADOW_COPY_SIZE; ++i)
-                        printk("%02x", e->memory_copy[i]);
-                printk("\n");
+                        printk(KERN_CONT "%02x", e->memory_copy[i]);
+                printk(KERN_CONT "\n");
 
-                printk(KERN_INFO);
+                printk(KERN_WARNING);
                 for (i = 0; i < SHADOW_COPY_SIZE; ++i) {
                         if (e->shadow_copy[i] < ARRAY_SIZE(short_desc))
-                                printk(" %c", short_desc[e->shadow_copy[i]]);
+                                printk(KERN_CONT " %c", short_desc[e->shadow_copy[i]]);
                         else
-                                printk(" ?");
+                                printk(KERN_CONT " ?");
                 }
-                printk("\n");
-                printk(KERN_INFO "%*c\n", 2 + 2
+                printk(KERN_CONT "\n");
+                printk(KERN_WARNING "%*c\n", 2 + 2
                         * (int) (e->address & (SHADOW_COPY_SIZE - 1)), '^');
                 break;
         case KMEMCHECK_ERROR_BUG:
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index 145df00e0387..f939d603adfa 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -51,7 +51,7 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
         }
 }
 
-void __init update_res(struct pci_root_info *info, size_t start,
+void __devinit update_res(struct pci_root_info *info, size_t start,
                               size_t end, unsigned long flags, int merge)
 {
         int i;
diff --git a/arch/x86/pci/intel_bus.c b/arch/x86/pci/intel_bus.c
index b7a55dc55d13..f81a2fa8fe25 100644
--- a/arch/x86/pci/intel_bus.c
+++ b/arch/x86/pci/intel_bus.c
@@ -49,6 +49,10 @@ static void __devinit pci_root_bus_res(struct pci_dev *dev)
         u64 mmioh_base, mmioh_end;
         int bus_base, bus_end;
 
+        /* some sys doesn't get mmconf enabled */
+        if (dev->cfg_size < 0x120)
+                return;
+
         if (pci_root_num >= PCI_ROOT_NR) {
                 printk(KERN_DEBUG "intel_bus.c: PCI_ROOT_NR is too small\n");
                 return;
diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
index 5bbb5a33f220..fd1ab80be0de 100644
--- a/arch/x86/tools/chkobjdump.awk
+++ b/arch/x86/tools/chkobjdump.awk
@@ -8,14 +8,24 @@ BEGIN {
         od_sver = 19;
 }
 
-/^GNU/ {
-        split($3, ver, ".");
+/^GNU objdump/ {
+        verstr = ""
+        for (i = 3; i <= NF; i++)
+                if (match($(i), "^[0-9]")) {
+                        verstr = $(i);
+                        break;
+                }
+        if (verstr == "") {
+                printf("Warning: Failed to find objdump version number.\n");
+                exit 0;
+        }
+        split(verstr, ver, ".");
         if (ver[1] > od_ver ||
             (ver[1] == od_ver && ver[2] >= od_sver)) {
                 exit 1;
         } else {
                 printf("Warning: objdump version %s is older than %d.%d\n",
-                       $4, od_ver, od_sver);
+                       verstr, od_ver, od_sver);
                 print("Warning: Skipping posttest.");
                 # Logic is inverted, because we just skip test without error.
                 exit 0;