283 files changed, 3744 insertions, 3601 deletions

diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 728bb8f39441..0babb645b83c 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -544,10 +544,10 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
                 struct resource *fb_res = &lcdc_resources[2];
                 size_t fb_len = fb_res->end - fb_res->start + 1;
 
-                fb = ioremap_writecombine(fb_res->start, fb_len);
+                fb = ioremap(fb_res->start, fb_len);
                 if (fb) {
                         memset(fb, 0, fb_len);
-                        iounmap(fb, fb_len);
+                        iounmap(fb);
                 }
         }
         lcdc_data = *data;
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 054689804e77..450db304936f 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -332,13 +332,6 @@ static struct resource lcdc_resources[] = {
                 .end    = AT91SAM9RL_ID_LCDC,
                 .flags  = IORESOURCE_IRQ,
         },
-#if defined(CONFIG_FB_INTSRAM)
-        [2] = {
-                .start  = AT91SAM9RL_SRAM_BASE,
-                .end    = AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-#endif
 };
 
 static struct platform_device at91_lcdc_device = {
@@ -381,20 +374,6 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
         at91_set_B_periph(AT91_PIN_PC24, 0);    /* LCDD22 */
         at91_set_B_periph(AT91_PIN_PC25, 0);    /* LCDD23 */
 
-#ifdef CONFIG_FB_INTSRAM
-        {
-                void __iomem *fb;
-                struct resource *fb_res = &lcdc_resources[2];
-                size_t fb_len = fb_res->end - fb_res->start + 1;
-
-                fb = ioremap_writecombine(fb_res->start, fb_len);
-                if (fb) {
-                        memset(fb, 0, fb_len);
-                        iounmap(fb, fb_len);
-                }
-        }
-#endif
-
         lcdc_data = *data;
         platform_device_register(&at91_lcdc_device);
 }
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 8bc187240542..1d7bca6aa441 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -280,7 +280,7 @@ static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type)
         const int port = gpio >> 3;
         const int port_mask = 1 << (gpio & 7);
 
-        gpio_direction_output(gpio, gpio_get_value(gpio));
+        gpio_direction_input(gpio);
 
         switch (type) {
         case IRQT_RISING:
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index 36e5835e6097..ca85d24cf39f 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -62,7 +62,7 @@ static struct irq_chip ns9xxx_chip = {
 #if 0
 #define handle_irq handle_level_irq
 #else
-void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
+static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
 {
         unsigned int cpu = smp_processor_id();
         struct irqaction *action;
@@ -70,27 +70,35 @@ void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
 
         spin_lock(&desc->lock);
 
-        if (unlikely(desc->status & IRQ_INPROGRESS))
-                goto out_unlock;
+        BUG_ON(desc->status & IRQ_INPROGRESS);
 
         desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
         kstat_cpu(cpu).irqs[irq]++;
 
         action = desc->action;
         if (unlikely(!action || (desc->status & IRQ_DISABLED)))
-                goto out_unlock;
+                goto out_mask;
 
         desc->status |= IRQ_INPROGRESS;
         spin_unlock(&desc->lock);
 
         action_ret = handle_IRQ_event(irq, action);
 
+        /* XXX: There is no direct way to access noirqdebug, so check
+         * unconditionally for spurious irqs...
+         * Maybe this function should go to kernel/irq/chip.c? */
+        note_interrupt(irq, desc, action_ret);
+
         spin_lock(&desc->lock);
         desc->status &= ~IRQ_INPROGRESS;
-        if (!(desc->status & IRQ_DISABLED) && desc->chip->ack)
-                desc->chip->ack(irq);
 
-out_unlock:
+        if (desc->status & IRQ_DISABLED)
+out_mask:
+                desc->chip->mask(irq);
+
+        /* ack unconditionally to unmask lower prio irqs */
+        desc->chip->ack(irq);
+
         spin_unlock(&desc->lock);
 }
 #define handle_irq handle_prio_irq
diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c
index 9608503d67f5..e63fb05dc893 100644
--- a/arch/arm/mach-orion5x/addr-map.c
+++ b/arch/arm/mach-orion5x/addr-map.c
@@ -34,11 +34,7 @@
  * Non-CPU Masters address decoding --
  * Unlike the CPU, we setup the access from Orion's master interfaces to DDR
  * banks only (the typical use case).
- * Setup access for each master to DDR is issued by common.c.
- *
- * Note: although orion_setbits() and orion_clrbits() are not atomic
- * no locking is necessary here since code in this file is only called
- * at boot time when there is no concurrency issues.
+ * Setup access for each master to DDR is issued by platform device setup.
  */
 
 /*
@@ -48,10 +44,6 @@
 #define TARGET_DEV_BUS          1
 #define TARGET_PCI              3
 #define TARGET_PCIE             4
-#define ATTR_DDR_CS(n)          (((n) ==0) ? 0xe :      \
-                                ((n) == 1) ? 0xd :      \
-                                ((n) == 2) ? 0xb :      \
-                                ((n) == 3) ? 0x7 : 0xf)
 #define ATTR_PCIE_MEM           0x59
 #define ATTR_PCIE_IO            0x51
 #define ATTR_PCIE_WA            0x79
@@ -61,17 +53,12 @@
 #define ATTR_DEV_CS1            0x1d
 #define ATTR_DEV_CS2            0x1b
 #define ATTR_DEV_BOOT           0xf
-#define WIN_EN                  1
 
 /*
  * Helpers to get DDR bank info
  */
-#define DDR_BASE_CS(n)          ORION5X_DDR_REG(0x1500 + ((n) * 8))
-#define DDR_SIZE_CS(n)          ORION5X_DDR_REG(0x1504 + ((n) * 8))
-#define DDR_MAX_CS              4
-#define DDR_REG_TO_SIZE(reg)    (((reg) | 0xffffff) + 1)
-#define DDR_REG_TO_BASE(reg)    ((reg) & 0xff000000)
-#define DDR_BANK_EN             1
+#define DDR_BASE_CS(n)          ORION5X_DDR_REG(0x1500 + ((n) << 3))
+#define DDR_SIZE_CS(n)          ORION5X_DDR_REG(0x1504 + ((n) << 3))
 
 /*
  * CPU Address Decode Windows registers
@@ -81,17 +68,6 @@
 #define CPU_WIN_REMAP_LO(n)     ORION5X_BRIDGE_REG(0x008 | ((n) << 4))
 #define CPU_WIN_REMAP_HI(n)     ORION5X_BRIDGE_REG(0x00c | ((n) << 4))
 
-/*
- * Gigabit Ethernet Address Decode Windows registers
- */
-#define ETH_WIN_BASE(win)       ORION5X_ETH_REG(0x200 + ((win) * 8))
-#define ETH_WIN_SIZE(win)       ORION5X_ETH_REG(0x204 + ((win) * 8))
-#define ETH_WIN_REMAP(win)      ORION5X_ETH_REG(0x280 + ((win) * 4))
-#define ETH_WIN_EN              ORION5X_ETH_REG(0x290)
-#define ETH_WIN_PROT            ORION5X_ETH_REG(0x294)
-#define ETH_MAX_WIN             6
-#define ETH_MAX_REMAP_WIN       4
-
 
 struct mbus_dram_target_info orion5x_mbus_dram_info;
 
@@ -202,39 +178,3 @@ void __init orion5x_setup_pcie_wa_win(u32 base, u32 size)
 {
         setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1);
 }
-
-void __init orion5x_setup_eth_wins(void)
-{
-        int i;
-
-        /*
-         * First, disable and clear windows
-         */
-        for (i = 0; i < ETH_MAX_WIN; i++) {
-                orion5x_write(ETH_WIN_BASE(i), 0);
-                orion5x_write(ETH_WIN_SIZE(i), 0);
-                orion5x_setbits(ETH_WIN_EN, 1 << i);
-                orion5x_clrbits(ETH_WIN_PROT, 0x3 << (i * 2));
-                if (i < ETH_MAX_REMAP_WIN)
-                        orion5x_write(ETH_WIN_REMAP(i), 0);
-        }
-
-        /*
-         * Setup windows for DDR banks.
-         */
-        for (i = 0; i < DDR_MAX_CS; i++) {
-                u32 base, size;
-                size = orion5x_read(DDR_SIZE_CS(i));
-                base = orion5x_read(DDR_BASE_CS(i));
-                if (size & DDR_BANK_EN) {
-                        base = DDR_REG_TO_BASE(base);
-                        size = DDR_REG_TO_SIZE(size);
-                        orion5x_write(ETH_WIN_SIZE(i), (size-1) & 0xffff0000);
-                        orion5x_write(ETH_WIN_BASE(i), (base & 0xffff0000) |
-                                        (ATTR_DDR_CS(i) << 8) |
-                                        TARGET_DDR);
-                        orion5x_clrbits(ETH_WIN_EN, 1 << i);
-                        orion5x_setbits(ETH_WIN_PROT, 0x3 << (i * 2));
-                }
-        }
-}
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 968deb58be01..4f13fd037f04 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -190,6 +190,11 @@ static struct platform_device orion5x_ehci1 = {
  * (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
  ****************************************************************************/
 
+struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
+        .dram           = &orion5x_mbus_dram_info,
+        .t_clk          = ORION5X_TCLK,
+};
+
 static struct resource orion5x_eth_shared_resources[] = {
         {
                 .start  = ORION5X_ETH_PHYS_BASE + 0x2000,
@@ -201,6 +206,9 @@ static struct resource orion5x_eth_shared_resources[] = {
 static struct platform_device orion5x_eth_shared = {
         .name           = MV643XX_ETH_SHARED_NAME,
         .id             = 0,
+        .dev            = {
+                .platform_data  = &orion5x_eth_shared_data,
+        },
         .num_resources  = 1,
         .resource       = orion5x_eth_shared_resources,
 };
@@ -223,7 +231,9 @@ static struct platform_device orion5x_eth = {
 
 void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
 {
+        eth_data->shared = &orion5x_eth_shared;
         orion5x_eth.dev.platform_data = eth_data;
+
         platform_device_register(&orion5x_eth_shared);
         platform_device_register(&orion5x_eth);
 }
@@ -360,7 +370,6 @@ void __init orion5x_init(void)
          * Setup Orion address map
          */
         orion5x_setup_cpu_mbus_bridge();
-        orion5x_setup_eth_wins();
 
         /*
          * Register devices.
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 14adf8d1a54a..bd0f05de6e18 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -22,7 +22,6 @@ void orion5x_setup_dev0_win(u32 base, u32 size);
 void orion5x_setup_dev1_win(u32 base, u32 size);
 void orion5x_setup_dev2_win(u32 base, u32 size);
 void orion5x_setup_pcie_wa_win(u32 base, u32 size);
-void orion5x_setup_eth_wins(void);
 
 /*
  * Shared code used internally by other Orion core functions.
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 6a830853aa6a..0e6d05bb81aa 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -5,6 +5,13 @@
 # Common support (must be linked before board specific support)
 obj-y                           += clock.o devices.o generic.o irq.o dma.o \
                                    time.o gpio.o
+obj-$(CONFIG_PM)                += pm.o sleep.o standby.o
+obj-$(CONFIG_CPU_FREQ)          += cpu-pxa.o
+
+# Generic drivers that other drivers may depend upon
+obj-$(CONFIG_PXA_SSP)           += ssp.o
+
+# SoC-specific code
 obj-$(CONFIG_PXA25x)            += mfp-pxa2xx.o pxa25x.o
 obj-$(CONFIG_PXA27x)            += mfp-pxa2xx.o pxa27x.o
 obj-$(CONFIG_PXA3xx)            += mfp-pxa3xx.o pxa3xx.o smemc.o
@@ -48,11 +55,6 @@ led-$(CONFIG_MACH_TRIZEPS4)	+= leds-trizeps4.o
 
 obj-$(CONFIG_LEDS)              += $(led-y)
 
-# Misc features
-obj-$(CONFIG_PM)                += pm.o sleep.o standby.o
-obj-$(CONFIG_CPU_FREQ)          += cpu-pxa.o
-obj-$(CONFIG_PXA_SSP)           += ssp.o
-
 ifeq ($(CONFIG_PCI),y)
 obj-$(CONFIG_MACH_ARMCORE) += cm-x270-pci.o
 endif
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 259ca821e464..b757dd756655 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -493,8 +493,6 @@ static struct platform_device *devices[] __initdata = {
 
 static void corgi_poweroff(void)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         if (!machine_is_corgi())
                 /* Green LED off tells the bootloader to halt */
                 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
@@ -503,8 +501,6 @@ static void corgi_poweroff(void)
 
 static void corgi_restart(char mode)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         if (!machine_is_corgi())
                 /* Green LED on tells the bootloader to reboot */
                 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
diff --git a/arch/arm/mach-pxa/cpu-pxa.c b/arch/arm/mach-pxa/cpu-pxa.c
index 4b21479332ae..fb9ba1ab2826 100644
--- a/arch/arm/mach-pxa/cpu-pxa.c
+++ b/arch/arm/mach-pxa/cpu-pxa.c
@@ -49,125 +49,216 @@ MODULE_PARM_DESC(freq_debug, "Set the debug messages to on=1/off=0");
 #define freq_debug  0
 #endif
 
+static unsigned int pxa27x_maxfreq;
+module_param(pxa27x_maxfreq, uint, 0);
+MODULE_PARM_DESC(pxa27x_maxfreq, "Set the pxa27x maxfreq in MHz"
+                 "(typically 624=>pxa270, 416=>pxa271, 520=>pxa272)");
+
 typedef struct {
         unsigned int khz;
         unsigned int membus;
         unsigned int cccr;
         unsigned int div2;
+        unsigned int cclkcfg;
 } pxa_freqs_t;
 
 /* Define the refresh period in mSec for the SDRAM and the number of rows */
-#define SDRAM_TREF          64      /* standard 64ms SDRAM */
-#define SDRAM_ROWS          4096    /* 64MB=8192 32MB=4096 */
-#define MDREFR_DRI(x)       (((x) * SDRAM_TREF) / (SDRAM_ROWS * 32))
-
-#define CCLKCFG_TURBO       0x1
-#define CCLKCFG_FCS         0x2
-#define PXA25x_MIN_FREQ     99500
-#define PXA25x_MAX_FREQ     398100
-#define MDREFR_DB2_MASK     (MDREFR_K2DB2 | MDREFR_K1DB2)
-#define MDREFR_DRI_MASK     0xFFF
+#define SDRAM_TREF      64      /* standard 64ms SDRAM */
+#define SDRAM_ROWS      4096    /* 64MB=8192 32MB=4096 */
 
+#define CCLKCFG_TURBO           0x1
+#define CCLKCFG_FCS             0x2
+#define CCLKCFG_HALFTURBO       0x4
+#define CCLKCFG_FASTBUS         0x8
+#define MDREFR_DB2_MASK         (MDREFR_K2DB2 | MDREFR_K1DB2)
+#define MDREFR_DRI_MASK         0xFFF
 
+/*
+ * PXA255 definitions
+ */
 /* Use the run mode frequencies for the CPUFREQ_POLICY_PERFORMANCE policy */
+#define CCLKCFG                 CCLKCFG_TURBO | CCLKCFG_FCS
+
 static pxa_freqs_t pxa255_run_freqs[] =
 {
-    /* CPU   MEMBUS  CCCR  DIV2*/
-    { 99500,  99500, 0x121, 1}, /* run= 99, turbo= 99, PXbus=50,  SDRAM=50 */
-    {132700, 132700, 0x123, 1}, /* run=133, turbo=133, PXbus=66,  SDRAM=66 */
-    {199100,  99500, 0x141, 0}, /* run=199, turbo=199, PXbus=99,  SDRAM=99 */
-    {265400, 132700, 0x143, 1}, /* run=265, turbo=265, PXbus=133, SDRAM=66 */
-    {331800, 165900, 0x145, 1}, /* run=331, turbo=331, PXbus=166, SDRAM=83 */
-    {398100,  99500, 0x161, 0}, /* run=398, turbo=398, PXbus=196, SDRAM=99 */
-    {0,}
+        /* CPU   MEMBUS  CCCR  DIV2 CCLKCFG        run  turbo PXbus SDRAM */
+        { 99500,  99500, 0x121, 1,  CCLKCFG},   /*  99,   99,   50,   50  */
+        {132700, 132700, 0x123, 1,  CCLKCFG},   /* 133,  133,   66,   66  */
+        {199100,  99500, 0x141, 0,  CCLKCFG},   /* 199,  199,   99,   99  */
+        {265400, 132700, 0x143, 1,  CCLKCFG},   /* 265,  265,  133,   66  */
+        {331800, 165900, 0x145, 1,  CCLKCFG},   /* 331,  331,  166,   83  */
+        {398100,  99500, 0x161, 0,  CCLKCFG},   /* 398,  398,  196,   99  */
 };
-#define NUM_RUN_FREQS ARRAY_SIZE(pxa255_run_freqs)
-
-static struct cpufreq_frequency_table pxa255_run_freq_table[NUM_RUN_FREQS+1];
 
 /* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */
 static pxa_freqs_t pxa255_turbo_freqs[] =
 {
-    /* CPU   MEMBUS  CCCR  DIV2*/
-    { 99500, 99500,  0x121, 1}, /* run=99,  turbo= 99, PXbus=50, SDRAM=50 */
-    {199100, 99500,  0x221, 0}, /* run=99,  turbo=199, PXbus=50, SDRAM=99 */
-    {298500, 99500,  0x321, 0}, /* run=99,  turbo=287, PXbus=50, SDRAM=99 */
-    {298600, 99500,  0x1c1, 0}, /* run=199, turbo=287, PXbus=99, SDRAM=99 */
-    {398100, 99500,  0x241, 0}, /* run=199, turbo=398, PXbus=99, SDRAM=99 */
-    {0,}
+        /* CPU   MEMBUS  CCCR  DIV2 CCLKCFG        run  turbo PXbus SDRAM */
+        { 99500, 99500,  0x121, 1,  CCLKCFG},   /*  99,   99,   50,   50  */
+        {199100, 99500,  0x221, 0,  CCLKCFG},   /*  99,  199,   50,   99  */
+        {298500, 99500,  0x321, 0,  CCLKCFG},   /*  99,  287,   50,   99  */
+        {298600, 99500,  0x1c1, 0,  CCLKCFG},   /* 199,  287,   99,   99  */
+        {398100, 99500,  0x241, 0,  CCLKCFG},   /* 199,  398,   99,   99  */
+};
+
+#define NUM_PXA25x_RUN_FREQS ARRAY_SIZE(pxa255_run_freqs)
+#define NUM_PXA25x_TURBO_FREQS ARRAY_SIZE(pxa255_turbo_freqs)
+
+static struct cpufreq_frequency_table
+        pxa255_run_freq_table[NUM_PXA25x_RUN_FREQS+1];
+static struct cpufreq_frequency_table
+        pxa255_turbo_freq_table[NUM_PXA25x_TURBO_FREQS+1];
+
+/*
+ * PXA270 definitions
+ *
+ * For the PXA27x:
+ * Control variables are A, L, 2N for CCCR; B, HT, T for CLKCFG.
+ *
+ * A = 0 => memory controller clock from table 3-7,
+ * A = 1 => memory controller clock = system bus clock
+ * Run mode frequency   = 13 MHz * L
+ * Turbo mode frequency = 13 MHz * L * N
+ * System bus frequency = 13 MHz * L / (B + 1)
+ *
+ * In CCCR:
+ * A = 1
+ * L = 16         oscillator to run mode ratio
+ * 2N = 6         2 * (turbo mode to run mode ratio)
+ *
+ * In CCLKCFG:
+ * B = 1          Fast bus mode
+ * HT = 0         Half-Turbo mode
+ * T = 1          Turbo mode
+ *
+ * For now, just support some of the combinations in table 3-7 of
+ * PXA27x Processor Family Developer's Manual to simplify frequency
+ * change sequences.
+ */
+#define PXA27x_CCCR(A, L, N2) (A << 25 | N2 << 7 | L)
+#define CCLKCFG2(B, HT, T) \
+  (CCLKCFG_FCS | \
+   ((B)  ? CCLKCFG_FASTBUS : 0) | \
+   ((HT) ? CCLKCFG_HALFTURBO : 0) | \
+   ((T)  ? CCLKCFG_TURBO : 0))
+
+static pxa_freqs_t pxa27x_freqs[] = {
+        {104000, 104000, PXA27x_CCCR(1,  8, 2), 0, CCLKCFG2(1, 0, 1)},
+        {156000, 104000, PXA27x_CCCR(1,  8, 6), 0, CCLKCFG2(1, 1, 1)},
+        {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1)},
+        {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1)},
+        {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1)},
+        {520000, 208000, PXA27x_CCCR(1, 16, 5), 1, CCLKCFG2(1, 0, 1)},
+        {624000, 208000, PXA27x_CCCR(1, 16, 6), 1, CCLKCFG2(1, 0, 1)}
 };
-#define NUM_TURBO_FREQS ARRAY_SIZE(pxa255_turbo_freqs)
 
-static struct cpufreq_frequency_table pxa255_turbo_freq_table[NUM_TURBO_FREQS+1];
+#define NUM_PXA27x_FREQS ARRAY_SIZE(pxa27x_freqs)
+static struct cpufreq_frequency_table
+        pxa27x_freq_table[NUM_PXA27x_FREQS+1];
 
 extern unsigned get_clk_frequency_khz(int info);
 
+static void find_freq_tables(struct cpufreq_policy *policy,
+                             struct cpufreq_frequency_table **freq_table,
+                             pxa_freqs_t **pxa_freqs)
+{
+        if (cpu_is_pxa25x()) {
+                if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
+                        *pxa_freqs = pxa255_run_freqs;
+                        *freq_table = pxa255_run_freq_table;
+                } else if (policy->policy == CPUFREQ_POLICY_POWERSAVE) {
+                        *pxa_freqs = pxa255_turbo_freqs;
+                        *freq_table = pxa255_turbo_freq_table;
+                } else {
+                        printk("CPU PXA: Unknown policy found. "
+                               "Using CPUFREQ_POLICY_PERFORMANCE\n");
+                        *pxa_freqs = pxa255_run_freqs;
+                        *freq_table = pxa255_run_freq_table;
+                }
+        }
+        if (cpu_is_pxa27x()) {
+                *pxa_freqs = pxa27x_freqs;
+                *freq_table = pxa27x_freq_table;
+        }
+}
+
+static void pxa27x_guess_max_freq(void)
+{
+        if (!pxa27x_maxfreq) {
+                pxa27x_maxfreq = 416000;
+                printk(KERN_INFO "PXA CPU 27x max frequency not defined "
+                       "(pxa27x_maxfreq), assuming pxa271 with %dkHz maxfreq\n",
+                       pxa27x_maxfreq);
+        } else {
+                pxa27x_maxfreq *= 1000;
+        }
+}
+
+static u32 mdrefr_dri(unsigned int freq)
+{
+        u32 dri = 0;
+
+        if (cpu_is_pxa25x())
+                dri = ((freq * SDRAM_TREF) / (SDRAM_ROWS * 32));
+        if (cpu_is_pxa27x())
+                dri = ((freq * SDRAM_TREF) / (SDRAM_ROWS - 31)) / 32;
+        return dri;
+}
+
 /* find a valid frequency point */
 static int pxa_verify_policy(struct cpufreq_policy *policy)
 {
         struct cpufreq_frequency_table *pxa_freqs_table;
+        pxa_freqs_t *pxa_freqs;
         int ret;
 
-        if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
-                pxa_freqs_table = pxa255_run_freq_table;
-        } else if (policy->policy == CPUFREQ_POLICY_POWERSAVE) {
-                pxa_freqs_table = pxa255_turbo_freq_table;
-        } else {
-                printk("CPU PXA: Unknown policy found. "
-                       "Using CPUFREQ_POLICY_PERFORMANCE\n");
-                pxa_freqs_table = pxa255_run_freq_table;
-        }
-
+        find_freq_tables(policy, &pxa_freqs_table, &pxa_freqs);
         ret = cpufreq_frequency_table_verify(policy, pxa_freqs_table);
 
         if (freq_debug)
                 pr_debug("Verified CPU policy: %dKhz min to %dKhz max\n",
-                       policy->min, policy->max);
+                         policy->min, policy->max);
 
         return ret;
 }
 
+static unsigned int pxa_cpufreq_get(unsigned int cpu)
+{
+        return get_clk_frequency_khz(0);
+}
+
 static int pxa_set_target(struct cpufreq_policy *policy,
-                           unsigned int target_freq,
-                           unsigned int relation)
+                          unsigned int target_freq,
+                          unsigned int relation)
 {
         struct cpufreq_frequency_table *pxa_freqs_table;
         pxa_freqs_t *pxa_freq_settings;
         struct cpufreq_freqs freqs;
         unsigned int idx;
         unsigned long flags;
-        unsigned int unused, preset_mdrefr, postset_mdrefr;
-        void *ramstart = phys_to_virt(0xa0000000);
+        unsigned int new_freq_cpu, new_freq_mem;
+        unsigned int unused, preset_mdrefr, postset_mdrefr, cclkcfg;
 
         /* Get the current policy */
-        if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
-                pxa_freq_settings = pxa255_run_freqs;
-                pxa_freqs_table   = pxa255_run_freq_table;
-        } else if (policy->policy == CPUFREQ_POLICY_POWERSAVE) {
-                pxa_freq_settings = pxa255_turbo_freqs;
-                pxa_freqs_table   = pxa255_turbo_freq_table;
-        } else {
-                printk("CPU PXA: Unknown policy found. "
-                       "Using CPUFREQ_POLICY_PERFORMANCE\n");
-                pxa_freq_settings = pxa255_run_freqs;
-                pxa_freqs_table   = pxa255_run_freq_table;
-        }
+        find_freq_tables(policy, &pxa_freqs_table, &pxa_freq_settings);
 
         /* Lookup the next frequency */
         if (cpufreq_frequency_table_target(policy, pxa_freqs_table,
-                                           target_freq, relation, &idx)) {
+                                           target_freq, relation, &idx)) {
                 return -EINVAL;
         }
 
+        new_freq_cpu = pxa_freq_settings[idx].khz;
+        new_freq_mem = pxa_freq_settings[idx].membus;
         freqs.old = policy->cur;
-        freqs.new = pxa_freq_settings[idx].khz;
+        freqs.new = new_freq_cpu;
         freqs.cpu = policy->cpu;
 
         if (freq_debug)
-                pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n",
-                       freqs.new / 1000, (pxa_freq_settings[idx].div2) ?
-                       (pxa_freq_settings[idx].membus / 2000) :
-                       (pxa_freq_settings[idx].membus / 1000));
+                pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, "
+                         "(SDRAM %d Mhz)\n",
+                         freqs.new / 1000, (pxa_freq_settings[idx].div2) ?
+                         (new_freq_mem / 2000) : (new_freq_mem / 1000));
 
         /*
          * Tell everyone what we're about to do...
@@ -177,16 +268,16 @@ static int pxa_set_target(struct cpufreq_policy *policy,
         cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
         /* Calculate the next MDREFR.  If we're slowing down the SDRAM clock
-         * we need to preset the smaller DRI before the change.  If we're speeding
-         * up we need to set the larger DRI value after the change.
+         * we need to preset the smaller DRI before the change.  If we're
+         * speeding up we need to set the larger DRI value after the change.
          */
         preset_mdrefr = postset_mdrefr = MDREFR;
-        if ((MDREFR & MDREFR_DRI_MASK) > MDREFR_DRI(pxa_freq_settings[idx].membus)) {
-                preset_mdrefr = (preset_mdrefr & ~MDREFR_DRI_MASK) |
-                                MDREFR_DRI(pxa_freq_settings[idx].membus);
+        if ((MDREFR & MDREFR_DRI_MASK) > mdrefr_dri(new_freq_mem)) {
+                preset_mdrefr = (preset_mdrefr & ~MDREFR_DRI_MASK);
+                preset_mdrefr |= mdrefr_dri(new_freq_mem);
         }
-        postset_mdrefr = (postset_mdrefr & ~MDREFR_DRI_MASK) |
-                            MDREFR_DRI(pxa_freq_settings[idx].membus);
+        postset_mdrefr =
+                (postset_mdrefr & ~MDREFR_DRI_MASK) | mdrefr_dri(new_freq_mem);
 
         /* If we're dividing the memory clock by two for the SDRAM clock, this
          * must be set prior to the change.  Clearing the divide must be done
@@ -201,26 +292,27 @@ static int pxa_set_target(struct cpufreq_policy *policy,
 
         local_irq_save(flags);
 
-        /* Set new the CCCR */
+        /* Set new the CCCR and prepare CCLKCFG */
         CCCR = pxa_freq_settings[idx].cccr;
+        cclkcfg = pxa_freq_settings[idx].cclkcfg;
 
         asm volatile("                                                  \n\
                 ldr     r4, [%1]                /* load MDREFR */       \n\
                 b       2f                                              \n\
-                .align  5                                               \n\
+                .align  5                                               \n\
 1:                                                                      \n\
-                str     %4, [%1]                /* preset the MDREFR */ \n\
+                str     %3, [%1]                /* preset the MDREFR */ \n\
                 mcr     p14, 0, %2, c6, c0, 0   /* set CCLKCFG[FCS] */  \n\
-                str     %5, [%1]                /* postset the MDREFR */ \n\
+                str     %4, [%1]                /* postset the MDREFR */ \n\
                                                                         \n\
                 b       3f                                              \n\
 2:              b       1b                                              \n\
 3:              nop                                                     \n\
           "
-          : "=&r" (unused)
-          : "r" (&MDREFR), "r" (CCLKCFG_TURBO|CCLKCFG_FCS), "r" (ramstart),
-            "r" (preset_mdrefr), "r" (postset_mdrefr)
-          : "r4", "r5");
+                     : "=&r" (unused)
+                     : "r" (&MDREFR), "r" (cclkcfg),
+                       "r" (preset_mdrefr), "r" (postset_mdrefr)
+                     : "r4", "r5");
         local_irq_restore(flags);
 
         /*
@@ -233,38 +325,57 @@ static int pxa_set_target(struct cpufreq_policy *policy,
         return 0;
 }
 
-static unsigned int pxa_cpufreq_get(unsigned int cpu)
-{
-        return get_clk_frequency_khz(0);
-}
-
-static int pxa_cpufreq_init(struct cpufreq_policy *policy)
+static __init int pxa_cpufreq_init(struct cpufreq_policy *policy)
 {
         int i;
+        unsigned int freq;
+
+        /* try to guess pxa27x cpu */
+        if (cpu_is_pxa27x())
+                pxa27x_guess_max_freq();
 
         /* set default policy and cpuinfo */
         policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
-        policy->policy = CPUFREQ_POLICY_PERFORMANCE;
-        policy->cpuinfo.max_freq = PXA25x_MAX_FREQ;
-        policy->cpuinfo.min_freq = PXA25x_MIN_FREQ;
+        if (cpu_is_pxa25x())
+                policy->policy = CPUFREQ_POLICY_PERFORMANCE;
         policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */
-        policy->cur = get_clk_frequency_khz(0);    /* current freq */
+        policy->cur = get_clk_frequency_khz(0);    /* current freq */
         policy->min = policy->max = policy->cur;
 
-        /* Generate the run cpufreq_frequency_table struct */
-        for (i = 0; i < NUM_RUN_FREQS; i++) {
+        /* Generate pxa25x the run cpufreq_frequency_table struct */
+        for (i = 0; i < NUM_PXA25x_RUN_FREQS; i++) {
                 pxa255_run_freq_table[i].frequency = pxa255_run_freqs[i].khz;
                 pxa255_run_freq_table[i].index = i;
         }
-
         pxa255_run_freq_table[i].frequency = CPUFREQ_TABLE_END;
-        /* Generate the turbo cpufreq_frequency_table struct */
-        for (i = 0; i < NUM_TURBO_FREQS; i++) {
-                pxa255_turbo_freq_table[i].frequency = pxa255_turbo_freqs[i].khz;
+
+        /* Generate pxa25x the turbo cpufreq_frequency_table struct */
+        for (i = 0; i < NUM_PXA25x_TURBO_FREQS; i++) {
+                pxa255_turbo_freq_table[i].frequency =
+                        pxa255_turbo_freqs[i].khz;
                 pxa255_turbo_freq_table[i].index = i;
         }
         pxa255_turbo_freq_table[i].frequency = CPUFREQ_TABLE_END;
 
+        /* Generate the pxa27x cpufreq_frequency_table struct */
+        for (i = 0; i < NUM_PXA27x_FREQS; i++) {
+                freq = pxa27x_freqs[i].khz;
+                if (freq > pxa27x_maxfreq)
+                        break;
+                pxa27x_freq_table[i].frequency = freq;
+                pxa27x_freq_table[i].index = i;
+        }
+        pxa27x_freq_table[i].frequency = CPUFREQ_TABLE_END;
+
+        /*
+         * Set the policy's minimum and maximum frequencies from the tables
+         * just constructed.  This sets cpuinfo.mxx_freq, min and max.
+         */
+        if (cpu_is_pxa25x())
+                cpufreq_frequency_table_cpuinfo(policy, pxa255_run_freq_table);
+        else if (cpu_is_pxa27x())
+                cpufreq_frequency_table_cpuinfo(policy, pxa27x_freq_table);
+
         printk(KERN_INFO "PXA CPU frequency change support initialized\n");
 
         return 0;
@@ -275,26 +386,25 @@ static struct cpufreq_driver pxa_cpufreq_driver = {
         .target = pxa_set_target,
         .init   = pxa_cpufreq_init,
         .get    = pxa_cpufreq_get,
-        .name   = "PXA25x",
+        .name   = "PXA2xx",
 };
 
 static int __init pxa_cpu_init(void)
 {
         int ret = -ENODEV;
-        if (cpu_is_pxa25x())
+        if (cpu_is_pxa25x() || cpu_is_pxa27x())
                 ret = cpufreq_register_driver(&pxa_cpufreq_driver);
         return ret;
 }
 
 static void __exit pxa_cpu_exit(void)
 {
-        if (cpu_is_pxa25x())
-                cpufreq_unregister_driver(&pxa_cpufreq_driver);
+        cpufreq_unregister_driver(&pxa_cpufreq_driver);
 }
 
 
-MODULE_AUTHOR ("Intrinsyc Software Inc.");
-MODULE_DESCRIPTION ("CPU frequency changing driver for the PXA architecture");
+MODULE_AUTHOR("Intrinsyc Software Inc.");
+MODULE_DESCRIPTION("CPU frequency changing driver for the PXA architecture");
 MODULE_LICENSE("GPL");
 module_init(pxa_cpu_init);
 module_exit(pxa_cpu_exit);
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 0993f4d1a0bc..7b9bdd0c6665 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -396,7 +396,7 @@ static struct pxafb_mach_info sharp_lm8v31 = {
         .cmap_inverse   = 0,
         .cmap_static    = 0,
         .lcd_conn       = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
-                          LCD_AC_BIAS_FREQ(255);
+                          LCD_AC_BIAS_FREQ(255),
 };
 
 #define MMC_POLL_RATE           msecs_to_jiffies(1000)
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index ec1bbf333a3a..7d4debbdcca3 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -42,20 +42,17 @@ int pxa_pm_enter(suspend_state_t state)
         if (state != PM_SUSPEND_STANDBY) {
                 pxa_cpu_pm_fns->save(sleep_save);
                 /* before sleeping, calculate and save a checksum */
-                for (i = 0; i < pxa_cpu_pm_fns->save_size - 1; i++)
+                for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
                         sleep_save_checksum += sleep_save[i];
         }
 
-        /* Clear reset status */
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         /* *** go zzz *** */
         pxa_cpu_pm_fns->enter(state);
         cpu_init();
 
         if (state != PM_SUSPEND_STANDBY) {
                 /* after sleeping, validate the checksum */
-                for (i = 0; i < pxa_cpu_pm_fns->save_size - 1; i++)
+                for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
                         checksum += sleep_save[i];
 
                 /* if invalid, display message and wait for a hardware reset */
@@ -101,7 +98,8 @@ static int __init pxa_pm_init(void)
                 return -EINVAL;
         }
 
-        sleep_save = kmalloc(pxa_cpu_pm_fns->save_size, GFP_KERNEL);
+        sleep_save = kmalloc(pxa_cpu_pm_fns->save_count * sizeof(unsigned long),
+                             GFP_KERNEL);
         if (!sleep_save) {
                 printk(KERN_ERR "failed to alloc memory for pm save\n");
                 return -ENOMEM;
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index ca5ac196b47b..0b30f25cff3c 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -326,13 +326,11 @@ static struct platform_device *devices[] __initdata = {
 
 static void poodle_poweroff(void)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
         arm_machine_restart('h');
 }
 
 static void poodle_restart(char mode)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
         arm_machine_restart('h');
 }
 
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index d9b5450aee5b..e5b417d14bb0 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -150,9 +150,7 @@ static struct clk pxa25x_clks[] = {
  * More ones like CP and general purpose register values are preserved
  * with the stack pointer in sleep.S.
  */
-enum {  SLEEP_SAVE_START = 0,
-
-        SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2,
+enum {  SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2,
 
         SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
         SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
@@ -162,7 +160,7 @@ enum {	SLEEP_SAVE_START = 0,
 
         SLEEP_SAVE_CKEN,
 
-        SLEEP_SAVE_SIZE
+        SLEEP_SAVE_COUNT
 };
 
 
@@ -200,6 +198,9 @@ static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
 
 static void pxa25x_cpu_pm_enter(suspend_state_t state)
 {
+        /* Clear reset status */
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
         switch (state) {
         case PM_SUSPEND_MEM:
                 /* set resume return address */
@@ -210,7 +211,7 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state)
 }
 
 static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = {
-        .save_size      = SLEEP_SAVE_SIZE,
+        .save_count     = SLEEP_SAVE_COUNT,
         .valid          = suspend_valid_only_mem,
         .save           = pxa25x_cpu_pm_save,
         .restore        = pxa25x_cpu_pm_restore,
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 7a2449dd0fd4..7e945836e129 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -181,9 +181,7 @@ static struct clk pxa27x_clks[] = {
  * More ones like CP and general purpose register values are preserved
  * with the stack pointer in sleep.S.
  */
-enum {  SLEEP_SAVE_START = 0,
-
-        SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
+enum {  SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
 
         SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
         SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
@@ -198,7 +196,7 @@ enum {	SLEEP_SAVE_START = 0,
         SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
         SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
 
-        SLEEP_SAVE_SIZE
+        SLEEP_SAVE_COUNT
 };
 
 void pxa27x_cpu_pm_save(unsigned long *sleep_save)
@@ -251,6 +249,9 @@ void pxa27x_cpu_pm_enter(suspend_state_t state)
         /* Clear edge-detect status register. */
         PEDR = 0xDF12FE1B;
 
+        /* Clear reset status */
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
         switch (state) {
         case PM_SUSPEND_STANDBY:
                 pxa_cpu_standby();
@@ -269,7 +270,7 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state)
 }
 
 static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = {
-        .save_size      = SLEEP_SAVE_SIZE,
+        .save_count     = SLEEP_SAVE_COUNT,
         .save           = pxa27x_cpu_pm_save,
         .restore        = pxa27x_cpu_pm_restore,
         .valid          = pxa27x_cpu_pm_valid,
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index b6a6f5fcc77a..644550bfa330 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -256,12 +256,11 @@ static unsigned long wakeup_src;
 #define SAVE(x)         sleep_save[SLEEP_SAVE_##x] = x
 #define RESTORE(x)      x = sleep_save[SLEEP_SAVE_##x]
 
-enum {  SLEEP_SAVE_START = 0,
-        SLEEP_SAVE_CKENA,
+enum {  SLEEP_SAVE_CKENA,
         SLEEP_SAVE_CKENB,
         SLEEP_SAVE_ACCR,
 
-        SLEEP_SAVE_SIZE,
+        SLEEP_SAVE_COUNT,
 };
 
 static void pxa3xx_cpu_pm_save(unsigned long *sleep_save)
@@ -376,7 +375,7 @@ static int pxa3xx_cpu_pm_valid(suspend_state_t state)
 }
 
 static struct pxa_cpu_pm_fns pxa3xx_cpu_pm_fns = {
-        .save_size      = SLEEP_SAVE_SIZE,
+        .save_count     = SLEEP_SAVE_COUNT,
         .save           = pxa3xx_cpu_pm_save,
         .restore        = pxa3xx_cpu_pm_restore,
         .valid          = pxa3xx_cpu_pm_valid,
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 62a02c3927c5..e7d0fcd9b43f 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -529,8 +529,6 @@ static struct platform_device *devices[] __initdata = {
 
 static void spitz_poweroff(void)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
         GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
 
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 7a7f5f947cc5..23f050feb208 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -119,9 +119,6 @@ static void spitz_presuspend(void)
         /* nRESET_OUT Disable */
         PSLR |= PSLR_SL_ROD;
 
-        /* Clear reset status */
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
         PCFR = PCFR_GPR_EN | PCFR_OPDE;
 }
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 6458f6d371d9..c2cbd66db814 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -467,8 +467,6 @@ static struct platform_device *devices[] __initdata = {
 
 static void tosa_poweroff(void)
 {
-        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
         pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
         GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
 
diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c
index 246c573e7252..1693d447a224 100644
--- a/arch/arm/mach-sa1100/pm.c
+++ b/arch/arm/mach-sa1100/pm.c
@@ -43,20 +43,18 @@ extern void sa1100_cpu_resume(void);
  * More ones like CP and general purpose register values are preserved
  * on the stack and then the stack pointer is stored last in sleep.S.
  */
-enum {  SLEEP_SAVE_SP = 0,
-
-        SLEEP_SAVE_GPDR, SLEEP_SAVE_GAFR,
+enum {  SLEEP_SAVE_GPDR, SLEEP_SAVE_GAFR,
         SLEEP_SAVE_PPDR, SLEEP_SAVE_PPSR, SLEEP_SAVE_PPAR, SLEEP_SAVE_PSDR,
 
         SLEEP_SAVE_Ser1SDCR0,
 
-        SLEEP_SAVE_SIZE
+        SLEEP_SAVE_COUNT
 };
 
 
 static int sa11x0_pm_enter(suspend_state_t state)
 {
-        unsigned long gpio, sleep_save[SLEEP_SAVE_SIZE];
+        unsigned long gpio, sleep_save[SLEEP_SAVE_COUNT];
 
         gpio = GPLR;
 
diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c
index d84167fb33b1..3ac8d8d781b3 100644
--- a/arch/arm/plat-s3c24xx/clock.c
+++ b/arch/arm/plat-s3c24xx/clock.c
@@ -411,7 +411,7 @@ static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
 
         clk->parent = parent;
 
-        if (clk == &s3c24xx_dclk0)
+        if (clk == &s3c24xx_clkout0)
                 mask = S3C2410_MISCCR_CLK0_MASK;
         else {
                 source <<= 4;
@@ -437,7 +437,7 @@ struct clk s3c24xx_dclk0 = {
 struct clk s3c24xx_dclk1 = {
         .name           = "dclk1",
         .id             = -1,
-        .ctrlbit        = S3C2410_DCLKCON_DCLK0EN,
+        .ctrlbit        = S3C2410_DCLKCON_DCLK1EN,
         .enable         = s3c24xx_dclk_enable,
         .set_parent     = s3c24xx_dclk_setparent,
         .set_rate       = s3c24xx_set_dclk_rate,
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 795d0ac67c21..fd5708523f2e 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -832,6 +832,7 @@ config BANK_0
 config BANK_1
         hex "Bank 1"
         default 0x7BB0
+        default 0x5558 if BF54x
 
 config BANK_2
         hex "Bank 2"
@@ -963,21 +964,22 @@ endchoice
 
 endmenu
 
-if (BF537 || BF533 || BF54x)
-
 menu "CPU Frequency scaling"
 
 source "drivers/cpufreq/Kconfig"
 
-config CPU_FREQ
-        bool
+config CPU_VOLTAGE
+        bool "CPU Voltage scaling"
+        depends on EXPERIMENTAL 
+        depends on CPU_FREQ
         default n
         help
-          If you want to enable this option, you should select the
-          DPMC driver from Character Devices.
-endmenu
+          Say Y here if you want CPU voltage scaling according to the CPU frequency.
+          This option violates the PLL BYPASS recommendation in the Blackfin Processor
+          manuals. There is a theoretical risk that during VDDINT transitions 
+          the PLL may unlock.
 
-endif
+endmenu
 
 source "net/Kconfig"
 
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 721f15f3cebf..881afe9082c7 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -56,9 +56,6 @@ int main(void)
         /* offsets into the thread struct */
         DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
         DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
-        DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
-        DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
-        DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
         DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
         DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
 
diff --git a/arch/blackfin/kernel/fixed_code.S b/arch/blackfin/kernel/fixed_code.S
index 5ed47228a390..4b03ba025488 100644
--- a/arch/blackfin/kernel/fixed_code.S
+++ b/arch/blackfin/kernel/fixed_code.S
@@ -1,6 +1,6 @@
 /*
  * This file contains sequences of code that will be copied to a
- * fixed location, defined in <asm/atomic_seq.h>.  The interrupt
+ * fixed location, defined in <asm/fixed_code.h>.  The interrupt
  * handlers ensure that these sequences appear to be atomic when
  * executed from userspace.
  * These are aligned to 16 bytes, so that we have some space to replace
diff --git a/arch/blackfin/kernel/module.c b/arch/blackfin/kernel/module.c
index 8b9fe29d03f4..14a42848f37f 100644
--- a/arch/blackfin/kernel/module.c
+++ b/arch/blackfin/kernel/module.c
@@ -160,6 +160,13 @@ int
 module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                           char *secstrings, struct module *mod)
 {
+        /*
+         * XXX: sechdrs are vmalloced in kernel/module.c
+         * and would be vfreed just after module is loaded,
+         * so we hack to keep the only information we needed
+         * in mod->arch to correctly free L1 I/D sram later.
+         * NOTE: this breaks the semantic of mod->arch structure.
+         */
         Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum;
         void *dest = NULL;
 
@@ -167,8 +174,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                 if ((strcmp(".l1.text", secstrings + s->sh_name) == 0) ||
                     ((strcmp(".text", secstrings + s->sh_name) == 0) &&
                      (hdr->e_flags & FLG_CODE_IN_L1) && (s->sh_size > 0))) {
-                        mod->arch.text_l1 = s;
                         dest = l1_inst_sram_alloc(s->sh_size);
+                        mod->arch.text_l1 = dest;
                         if (dest == NULL) {
                                 printk(KERN_ERR
                                        "module %s: L1 instruction memory allocation failed\n",
@@ -182,8 +189,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                 if ((strcmp(".l1.data", secstrings + s->sh_name) == 0) ||
                     ((strcmp(".data", secstrings + s->sh_name) == 0) &&
                      (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {
-                        mod->arch.data_a_l1 = s;
                         dest = l1_data_sram_alloc(s->sh_size);
+                        mod->arch.data_a_l1 = dest;
                         if (dest == NULL) {
                                 printk(KERN_ERR
                                         "module %s: L1 data memory allocation failed\n",
@@ -197,8 +204,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                 if (strcmp(".l1.bss", secstrings + s->sh_name) == 0 ||
                     ((strcmp(".bss", secstrings + s->sh_name) == 0) &&
                      (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {
-                        mod->arch.bss_a_l1 = s;
                         dest = l1_data_sram_alloc(s->sh_size);
+                        mod->arch.bss_a_l1 = dest;
                         if (dest == NULL) {
                                 printk(KERN_ERR
                                         "module %s: L1 data memory allocation failed\n",
@@ -210,8 +217,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                         s->sh_addr = (unsigned long)dest;
                 }
                 if (strcmp(".l1.data.B", secstrings + s->sh_name) == 0) {
-                        mod->arch.data_b_l1 = s;
                         dest = l1_data_B_sram_alloc(s->sh_size);
+                        mod->arch.data_b_l1 = dest;
                         if (dest == NULL) {
                                 printk(KERN_ERR
                                         "module %s: L1 data memory allocation failed\n",
@@ -223,8 +230,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
                         s->sh_addr = (unsigned long)dest;
                 }
                 if (strcmp(".l1.bss.B", secstrings + s->sh_name) == 0) {
-                        mod->arch.bss_b_l1 = s;
                         dest = l1_data_B_sram_alloc(s->sh_size);
+                        mod->arch.bss_b_l1 = dest;
                         if (dest == NULL) {
                                 printk(KERN_ERR
                                         "module %s: L1 data memory allocation failed\n",
@@ -416,14 +423,14 @@ module_finalize(const Elf_Ehdr * hdr,
 
 void module_arch_cleanup(struct module *mod)
 {
-        if ((mod->arch.text_l1) && (mod->arch.text_l1->sh_addr))
-                l1_inst_sram_free((void *)mod->arch.text_l1->sh_addr);
-        if ((mod->arch.data_a_l1) && (mod->arch.data_a_l1->sh_addr))
-                l1_data_sram_free((void *)mod->arch.data_a_l1->sh_addr);
-        if ((mod->arch.bss_a_l1) && (mod->arch.bss_a_l1->sh_addr))
-                l1_data_sram_free((void *)mod->arch.bss_a_l1->sh_addr);
-        if ((mod->arch.data_b_l1) && (mod->arch.data_b_l1->sh_addr))
-                l1_data_B_sram_free((void *)mod->arch.data_b_l1->sh_addr);
-        if ((mod->arch.bss_b_l1) && (mod->arch.bss_b_l1->sh_addr))
-                l1_data_B_sram_free((void *)mod->arch.bss_b_l1->sh_addr);
+        if (mod->arch.text_l1)
+                l1_inst_sram_free((void *)mod->arch.text_l1);
+        if (mod->arch.data_a_l1)
+                l1_data_sram_free((void *)mod->arch.data_a_l1);
+        if (mod->arch.bss_a_l1)
+                l1_data_sram_free((void *)mod->arch.bss_a_l1);
+        if (mod->arch.data_b_l1)
+                l1_data_B_sram_free((void *)mod->arch.data_b_l1);
+        if (mod->arch.bss_b_l1)
+                l1_data_B_sram_free((void *)mod->arch.bss_b_l1);
 }
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index be9fdd00d7cb..53c2cd255441 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -245,7 +245,7 @@ unsigned long get_wchan(struct task_struct *p)
 
 void finish_atomic_sections (struct pt_regs *regs)
 {
-        int __user *up0 = (int __user *)&regs->p0;
+        int __user *up0 = (int __user *)regs->p0;
 
         if (regs->pc < ATOMIC_SEQS_START || regs->pc >= ATOMIC_SEQS_END)
                 return;
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index b4f062c172c6..f51ab088098e 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -185,8 +185,8 @@ void ptrace_disable(struct task_struct *child)
 {
         unsigned long tmp;
         /* make sure the single step bit is not set. */
-        tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-        put_reg(child, PT_SR, tmp);
+        tmp = get_reg(child, PT_SYSCFG) & ~TRACE_BITS;
+        put_reg(child, PT_SYSCFG, tmp);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c
index cb9d883d493c..dbc3bbf846be 100644
--- a/arch/blackfin/kernel/signal.c
+++ b/arch/blackfin/kernel/signal.c
@@ -42,6 +42,9 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+/* Location of the trace bit in SYSCFG. */
+#define TRACE_BITS 0x0001
+
 struct fdpic_func_descriptor {
         unsigned long   text;
         unsigned long   GOT;
@@ -225,6 +228,16 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info,
         regs->r1 = (unsigned long)(&frame->info);
         regs->r2 = (unsigned long)(&frame->uc);
 
+        /*
+         * Clear the trace flag when entering the signal handler, but
+         * notify any tracer that was single-stepping it. The tracer
+         * may want to single-step inside the handler too.
+         */
+        if (regs->syscfg & TRACE_BITS) {
+                regs->syscfg &= ~TRACE_BITS;
+                ptrace_notify(SIGTRAP);
+        }
+
         return 0;
 
  give_sigsegv:
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 4482c47c09e5..e887efc86c29 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -60,7 +60,7 @@ static inline unsigned long long cycles_2_ns(cycle_t cyc)
 
 static cycle_t read_cycles(void)
 {
-        return get_cycles();
+        return __bfin_cycles_off + (get_cycles() << __bfin_cycles_mod);
 }
 
 unsigned long long sched_clock(void)
@@ -117,7 +117,7 @@ static void bfin_timer_set_mode(enum clock_event_mode mode,
                 break;
         }
         case CLOCK_EVT_MODE_ONESHOT:
-                bfin_write_TSCALE(0);
+                bfin_write_TSCALE(TIME_SCALE - 1);
                 bfin_write_TCOUNT(0);
                 bfin_write_TCNTL(TMPWR | TMREN);
                 CSYNC();
@@ -183,10 +183,14 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
 
 static int __init bfin_clockevent_init(void)
 {
+        unsigned long timer_clk;
+
+        timer_clk = get_cclk() / TIME_SCALE;
+
         setup_irq(IRQ_CORETMR, &bfin_timer_irq);
         bfin_timer_init();
 
-        clockevent_bfin.mult = div_sc(get_cclk(), NSEC_PER_SEC, clockevent_bfin.shift);
+        clockevent_bfin.mult = div_sc(timer_clk, NSEC_PER_SEC, clockevent_bfin.shift);
         clockevent_bfin.max_delta_ns = clockevent_delta2ns(-1, &clockevent_bfin);
         clockevent_bfin.min_delta_ns = clockevent_delta2ns(100, &clockevent_bfin);
         clockevents_register_device(&clockevent_bfin);
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 583d53811f03..8aa49f804228 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -32,12 +32,14 @@
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 #include <linux/usb/isp1362.h>
 #endif
 #include <linux/ata_platform.h>
+#include <linux/i2c.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/usb/sl811.h>
@@ -50,6 +52,7 @@
 #include <asm/reboot.h>
 #include <asm/nand.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 #include <linux/spi/ad7877.h>
 
 /*
@@ -171,6 +174,46 @@ static struct platform_device bf52x_t350mcqb_device = {
 };
 #endif
 
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition ezkit_partitions[] = {
+        {
+                .name       = "Bootloader",
+                .size       = 0x40000,
+                .offset     = 0,
+        }, {
+                .name       = "Kernel",
+                .size       = 0x1C0000,
+                .offset     = MTDPART_OFS_APPEND,
+        }, {
+                .name       = "RootFS",
+                .size       = MTDPART_SIZ_FULL,
+                .offset     = MTDPART_OFS_APPEND,
+        }
+};
+
+static struct physmap_flash_data ezkit_flash_data = {
+        .width      = 2,
+        .parts      = ezkit_partitions,
+        .nr_parts   = ARRAY_SIZE(ezkit_partitions),
+};
+
+static struct resource ezkit_flash_resource = {
+        .start = 0x20000000,
+        .end   = 0x203fffff,
+        .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ezkit_flash_device = {
+        .name          = "physmap-flash",
+        .id            = 0,
+        .dev = {
+                .platform_data = &ezkit_flash_data,
+        },
+        .num_resources = 1,
+        .resource      = &ezkit_flash_resource,
+};
+#endif
+
 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 static struct mtd_partition partition_info[] = {
         {
@@ -420,11 +463,7 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
                 .offset = 0,
                 .mask_flags = MTD_CAP_ROM
         }, {
-                .name = "kernel",
-                .size = 0xe0000,
-                .offset = MTDPART_OFS_APPEND,
-        }, {
-                .name = "file system",
+                .name = "linux kernel",
                 .size = MTDPART_SIZ_FULL,
                 .offset = MTDPART_OFS_APPEND,
         }
@@ -434,7 +473,7 @@ static struct flash_platform_data bfin_spi_flash_data = {
         .name = "m25p80",
         .parts = bfin_spi_flash_partitions,
         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
-        .type = "m25p64",
+        .type = "m25p16",
 };
 
 /* SPI flash chip (m25p64) */
@@ -755,6 +794,24 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
 
+#ifdef CONFIG_I2C_BOARDINFO
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+        {
+                I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+                .type = "pcf8574_lcd",
+        },
+#endif
+#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
+        {
+                I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+                .type = "pcf8574_keypad",
+                .irq = IRQ_PF8,
+        },
+#endif
+};
+#endif
+
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
         .name = "bfin-sport-uart",
@@ -839,7 +896,32 @@ static struct platform_device bfin_gpios_device = {
         .resource = &bfin_gpios_resources,
 };
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_100, 400000000),
+        VRPAIR(VLEV_105, 426000000),
+        VRPAIR(VLEV_110, 500000000),
+        VRPAIR(VLEV_115, 533000000),
+        VRPAIR(VLEV_120, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *stamp_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
         &bf5xx_nand_device,
 #endif
@@ -921,12 +1003,22 @@ static struct platform_device *stamp_devices[] __initdata = {
         &bfin_device_gpiokeys,
 #endif
 
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+        &ezkit_flash_device,
+#endif
+
         &bfin_gpios_device,
 };
 
 static int __init stamp_init(void)
 {
         printk(KERN_INFO "%s(): registering device resources\n", __func__);
+
+#ifdef CONFIG_I2C_BOARDINFO
+        i2c_register_board_info(0, bfin_i2c_board_info,
+                                ARRAY_SIZE(bfin_i2c_board_info));
+#endif
+
         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
         spi_register_board_info(bfin_spi_board_info,
diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c
index a03149c72681..ed2b0b8f5dc9 100644
--- a/arch/blackfin/mach-bf533/boards/cm_bf533.c
+++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c
@@ -33,12 +33,15 @@
 #include <linux/mtd/partitions.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
+#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 #include <linux/usb/isp1362.h>
+#endif
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -341,7 +344,37 @@ static struct platform_device bfin_pata_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 376000000),
+        VRPAIR(VLEV_095, 426000000),
+        VRPAIR(VLEV_100, 426000000),
+        VRPAIR(VLEV_105, 476000000),
+        VRPAIR(VLEV_110, 476000000),
+        VRPAIR(VLEV_115, 476000000),
+        VRPAIR(VLEV_120, 600000000),
+        VRPAIR(VLEV_125, 600000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *cm_bf533_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
         &bfin_uart_device,
 #endif
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index 08a7943949ae..9d28415163ea 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -42,6 +42,7 @@
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -350,7 +351,37 @@ static struct platform_device i2c_gpio_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 376000000),
+        VRPAIR(VLEV_095, 426000000),
+        VRPAIR(VLEV_100, 426000000),
+        VRPAIR(VLEV_105, 476000000),
+        VRPAIR(VLEV_110, 476000000),
+        VRPAIR(VLEV_115, 476000000),
+        VRPAIR(VLEV_120, 600000000),
+        VRPAIR(VLEV_125, 600000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *ezkit_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
         &smc91x_device,
 #endif
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 024f418ae543..7fd35fb32fd5 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -45,6 +45,7 @@
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -516,7 +517,37 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 376000000),
+        VRPAIR(VLEV_095, 426000000),
+        VRPAIR(VLEV_100, 426000000),
+        VRPAIR(VLEV_105, 476000000),
+        VRPAIR(VLEV_110, 476000000),
+        VRPAIR(VLEV_115, 476000000),
+        VRPAIR(VLEV_120, 600000000),
+        VRPAIR(VLEV_125, 600000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *stamp_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
         &rtc_device,
 #endif
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537.c b/arch/blackfin/mach-bf537/boards/cm_bf537.c
index d8a23cd9b9ed..73f2142875e2 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537.c
@@ -35,12 +35,15 @@
 #include <linux/mtd/partitions.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
+#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 #include <linux/usb/isp1362.h>
+#endif
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -428,7 +431,37 @@ static struct platform_device bfin_pata_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 376000000),
+        VRPAIR(VLEV_095, 426000000),
+        VRPAIR(VLEV_100, 426000000),
+        VRPAIR(VLEV_105, 476000000),
+        VRPAIR(VLEV_110, 476000000),
+        VRPAIR(VLEV_115, 476000000),
+        VRPAIR(VLEV_120, 500000000),
+        VRPAIR(VLEV_125, 533000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *cm_bf537_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
         &hitachi_fb_device,
 #endif
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index d3727b7c2d7d..9a756d1f3d73 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -47,6 +47,7 @@
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 #include <linux/spi/ad7877.h>
 
 /*
@@ -817,7 +818,37 @@ static struct platform_device bfin_pata_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 376000000),
+        VRPAIR(VLEV_095, 426000000),
+        VRPAIR(VLEV_100, 426000000),
+        VRPAIR(VLEV_105, 476000000),
+        VRPAIR(VLEV_110, 476000000),
+        VRPAIR(VLEV_115, 476000000),
+        VRPAIR(VLEV_120, 500000000),
+        VRPAIR(VLEV_125, 533000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *stamp_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
         &bfin_pcmcia_cf_device,
 #endif
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index e3e8479fffb5..3b74f96d3590 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -36,7 +36,9 @@
 #include <linux/spi/flash.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 #include <linux/usb/musb.h>
+#endif
 #include <asm/bfin5xx_spi.h>
 #include <asm/cplb.h>
 #include <asm/dma.h>
@@ -44,6 +46,7 @@
 #include <asm/nand.h>
 #include <asm/portmux.h>
 #include <asm/mach/bf54x_keys.h>
+#include <asm/dpmc.h>
 #include <linux/input.h>
 #include <linux/spi/ad7877.h>
 
@@ -590,7 +593,38 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+/*
+ * Internal VLEV BF54XSBBC1533
+ ****temporarily using these values until data sheet is updated
+ */
+        VRPAIR(VLEV_085, 150000000),
+        VRPAIR(VLEV_090, 250000000),
+        VRPAIR(VLEV_110, 276000000),
+        VRPAIR(VLEV_115, 301000000),
+        VRPAIR(VLEV_120, 525000000),
+        VRPAIR(VLEV_125, 550000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *cm_bf548_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
         &rtc_device,
 #endif
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index b00f68ac6bc9..d1682bb37509 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -46,6 +46,7 @@
 #include <asm/dma.h>
 #include <asm/gpio.h>
 #include <asm/nand.h>
+#include <asm/dpmc.h>
 #include <asm/portmux.h>
 #include <asm/mach/bf54x_keys.h>
 #include <linux/input.h>
@@ -689,7 +690,38 @@ static struct platform_device bfin_gpios_device = {
         .resource = &bfin_gpios_resources,
 };
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+/*
+ * Internal VLEV BF54XSBBC1533
+ ****temporarily using these values until data sheet is updated
+ */
+        VRPAIR(VLEV_085, 150000000),
+        VRPAIR(VLEV_090, 250000000),
+        VRPAIR(VLEV_110, 276000000),
+        VRPAIR(VLEV_115, 301000000),
+        VRPAIR(VLEV_120, 525000000),
+        VRPAIR(VLEV_125, 550000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *ezkit_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
         &rtc_device,
 #endif
diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c
index 9fd580952fd8..466ef5929a25 100644
--- a/arch/blackfin/mach-bf561/boards/cm_bf561.c
+++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c
@@ -33,12 +33,15 @@
 #include <linux/mtd/partitions.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
+#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 #include <linux/usb/isp1362.h>
+#endif
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -339,8 +342,37 @@ static struct platform_device bfin_pata_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 300000000),
+        VRPAIR(VLEV_095, 313000000),
+        VRPAIR(VLEV_100, 350000000),
+        VRPAIR(VLEV_105, 400000000),
+        VRPAIR(VLEV_110, 444000000),
+        VRPAIR(VLEV_115, 450000000),
+        VRPAIR(VLEV_120, 475000000),
+        VRPAIR(VLEV_125, 500000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *cm_bf561_devices[] __initdata = {
 
+        &bfin_dpmc,
+
 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
         &hitachi_fb_device,
 #endif
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index 0d74b7d99209..61d8f7648b24 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -39,6 +39,7 @@
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
+#include <asm/dpmc.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -443,7 +444,37 @@ static struct platform_device i2c_gpio_device = {
 };
 #endif
 
+static const unsigned int cclk_vlev_datasheet[] =
+{
+        VRPAIR(VLEV_085, 250000000),
+        VRPAIR(VLEV_090, 300000000),
+        VRPAIR(VLEV_095, 313000000),
+        VRPAIR(VLEV_100, 350000000),
+        VRPAIR(VLEV_105, 400000000),
+        VRPAIR(VLEV_110, 444000000),
+        VRPAIR(VLEV_115, 450000000),
+        VRPAIR(VLEV_120, 475000000),
+        VRPAIR(VLEV_125, 500000000),
+        VRPAIR(VLEV_130, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+        .tuple_tab = cclk_vlev_datasheet,
+        .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+        .vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+        .name = "bfin dpmc",
+        .dev = {
+                .platform_data = &bfin_dmpc_vreg_data,
+        },
+};
+
 static struct platform_device *ezkit_devices[] __initdata = {
+
+        &bfin_dpmc,
+
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
         &smc91x_device,
 #endif
diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile
index 393081e9b680..422bfee34adc 100644
--- a/arch/blackfin/mach-common/Makefile
+++ b/arch/blackfin/mach-common/Makefile
@@ -6,5 +6,6 @@ obj-y := \
         cache.o cacheinit.o entry.o \
         interrupt.o lock.o irqpanic.o arch_checks.o ints-priority.o
 
-obj-$(CONFIG_PM)         += pm.o dpmc.o
-obj-$(CONFIG_CPU_FREQ)   += cpufreq.o
+obj-$(CONFIG_PM)          += pm.o dpmc_modes.o
+obj-$(CONFIG_CPU_FREQ)    += cpufreq.o
+obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index ed81e00d20e1..75cdad291e88 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -62,6 +62,14 @@ static struct bfin_dpm_state {
         unsigned int tscale; /* change the divider on the core timer interrupt */
 } dpm_state_table[3];
 
+/*
+   normalized to maximum frequncy offset for CYCLES,
+   used in time-ts cycles clock source, but could be used
+   somewhere also.
+ */
+unsigned long long __bfin_cycles_off;
+unsigned int __bfin_cycles_mod;
+
 /**************************************************************************/
 
 static unsigned int bfin_getfreq(unsigned int cpu)
@@ -80,6 +88,7 @@ static int bfin_target(struct cpufreq_policy *policy,
         unsigned int index, plldiv, tscale;
         unsigned long flags, cclk_hz;
         struct cpufreq_freqs freqs;
+        cycles_t cycles;
 
         if (cpufreq_frequency_table_target(policy, bfin_freq_table,
                  target_freq, relation, &index))
@@ -101,8 +110,14 @@ static int bfin_target(struct cpufreq_policy *policy,
                 bfin_write_PLL_DIV(plldiv);
                 /* we have to adjust the core timer, because it is using cclk */
                 bfin_write_TSCALE(tscale);
+                cycles = get_cycles();
                 SSYNC();
+        cycles += 10; /* ~10 cycles we loose after get_cycles() */
+        __bfin_cycles_off += (cycles << __bfin_cycles_mod) - (cycles << index);
+        __bfin_cycles_mod = index;
         local_irq_restore(flags);
+        /* TODO: just test case for cycles clock source, remove later */
+        pr_debug("cpufreq: done\n");
         cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
         return 0;
@@ -119,22 +134,13 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
         unsigned long cclk, sclk, csel, min_cclk;
         int index;
 
-#ifdef CONFIG_CYCLES_CLOCKSOURCE
-/*
- * Clocksource CYCLES is still CONTINUOUS but not longer MONOTONIC in case we enable
- * CPU frequency scaling, since CYCLES runs off Core Clock.
- */
-        printk(KERN_WARNING "CPU frequency scaling not supported: Clocksource not suitable\n"
-                return -ENODEV;
-#endif
-
         if (policy->cpu != 0)
                 return -EINVAL;
 
         cclk = get_cclk();
         sclk = get_sclk();
 
-#if ANOMALY_05000273
+#if ANOMALY_05000273 || (!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_DCACHE))
         min_cclk = sclk * 2;
 #else
         min_cclk = sclk;
diff --git a/arch/blackfin/mach-common/dpmc.c b/arch/blackfin/mach-common/dpmc.c
new file mode 100644
index 000000000000..02c7efd1bcf4
--- /dev/null
+++ b/arch/blackfin/mach-common/dpmc.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/cpufreq.h>
+
+#include <asm/delay.h>
+#include <asm/dpmc.h>
+
+#define DRIVER_NAME "bfin dpmc"
+
+#define dprintk(msg...) \
+        cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, DRIVER_NAME, msg)
+
+struct bfin_dpmc_platform_data *pdata;
+
+/**
+ *      bfin_set_vlev - Update VLEV field in VR_CTL Reg.
+ *                      Avoid BYPASS sequence
+ */
+static void bfin_set_vlev(unsigned int vlev)
+{
+        unsigned pll_lcnt;
+
+        pll_lcnt = bfin_read_PLL_LOCKCNT();
+
+        bfin_write_PLL_LOCKCNT(1);
+        bfin_write_VR_CTL((bfin_read_VR_CTL() & ~VLEV) | vlev);
+        bfin_write_PLL_LOCKCNT(pll_lcnt);
+}
+
+/**
+ *      bfin_get_vlev - Get CPU specific VLEV from platform device data
+ */
+static unsigned int bfin_get_vlev(unsigned int freq)
+{
+        int i;
+
+        if (!pdata)
+                goto err_out;
+
+        freq >>= 16;
+
+        for (i = 0; i < pdata->tabsize; i++)
+                if (freq <= (pdata->tuple_tab[i] & 0xFFFF))
+                        return pdata->tuple_tab[i] >> 16;
+
+err_out:
+        printk(KERN_WARNING "DPMC: No suitable CCLK VDDINT voltage pair found\n");
+        return VLEV_120;
+}
+
+#ifdef CONFIG_CPU_FREQ
+static int
+vreg_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
+{
+        struct cpufreq_freqs *freq = data;
+
+        if (val == CPUFREQ_PRECHANGE && freq->old < freq->new) {
+                bfin_set_vlev(bfin_get_vlev(freq->new));
+                udelay(pdata->vr_settling_time); /* Wait until Volatge settled */
+
+        } else if (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)
+                bfin_set_vlev(bfin_get_vlev(freq->new));
+
+        return 0;
+}
+
+static struct notifier_block vreg_cpufreq_notifier_block = {
+        .notifier_call  = vreg_cpufreq_notifier
+};
+#endif /* CONFIG_CPU_FREQ */
+
+/**
+ *      bfin_dpmc_probe -
+ *
+ */
+static int __devinit bfin_dpmc_probe(struct platform_device *pdev)
+{
+        if (pdev->dev.platform_data)
+                pdata = pdev->dev.platform_data;
+        else
+                return -EINVAL;
+
+        return cpufreq_register_notifier(&vreg_cpufreq_notifier_block,
+                                         CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+/**
+ *      bfin_dpmc_remove -
+ */
+static int __devexit bfin_dpmc_remove(struct platform_device *pdev)
+{
+        pdata = NULL;
+        return cpufreq_unregister_notifier(&vreg_cpufreq_notifier_block,
+                                         CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+struct platform_driver bfin_dpmc_device_driver = {
+        .probe   = bfin_dpmc_probe,
+        .remove  = __devexit_p(bfin_dpmc_remove),
+        .driver  = {
+                .name = DRIVER_NAME,
+        }
+};
+
+/**
+ *      bfin_dpmc_init - Init driver
+ */
+static int __init bfin_dpmc_init(void)
+{
+        return platform_driver_register(&bfin_dpmc_device_driver);
+}
+module_init(bfin_dpmc_init);
+
+/**
+ *      bfin_dpmc_exit - break down driver
+ */
+static void __exit bfin_dpmc_exit(void)
+{
+        platform_driver_unregister(&bfin_dpmc_device_driver);
+}
+module_exit(bfin_dpmc_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("cpu power management driver for Blackfin");
+MODULE_LICENSE("GPL");
diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc_modes.S
index 9d45aa3265b1..b7981d31c392 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc_modes.S
@@ -1,30 +1,7 @@
 /*
- * File:         arch/blackfin/mach-common/dpmc.S
- * Based on:
- * Author:       LG Soft India
+ * Copyright 2004-2008 Analog Devices Inc.
  *
- * Created:      ?
- * Description:  Watchdog Timer APIs
- *
- * Modified:
- *               Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index f2fb87e9a46e..038f70e0be65 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -151,26 +151,62 @@ ENTRY(_ex_soft_bp)
 ENDPROC(_ex_soft_bp)
 
 ENTRY(_ex_single_step)
+        /* If we just returned from an interrupt, the single step event is
+           for the RTI instruction.  */
         r7 = retx;
         r6 = reti;
         cc = r7 == r6;
-        if cc jump _bfin_return_from_exception
-        r7 = syscfg;
-        bitclr (r7, 0);
-        syscfg = R7;
+        if cc jump _bfin_return_from_exception;
 
+        /* If we were in user mode, do the single step normally.  */
         p5.l = lo(IPEND);
         p5.h = hi(IPEND);
         r6 = [p5];
-        cc = bittst(r6, 5);
-        if !cc jump _ex_trap_c;
-        p4.l = lo(EVT5);
-        p4.h = hi(EVT5);
-        r6.h = _exception_to_level5;
-        r6.l = _exception_to_level5;
-        r7 = [p4];
-        cc = r6 == r7;
-        if !cc jump _ex_trap_c;
+        r7 = 0xffe0 (z);
+        r7 = r7 & r6;
+        cc = r7 == 0;
+        if !cc jump 1f;
+
+        /* Single stepping only a single instruction, so clear the trace
+         * bit here.  */
+        r7 = syscfg;
+        bitclr (r7, 0);
+        syscfg = R7;
+        jump _ex_trap_c;
+
+1:
+        /*
+         * We were in an interrupt handler.  By convention, all of them save
+         * SYSCFG with their first instruction, so by checking whether our
+         * RETX points at the entry point, we can determine whether to allow
+         * a single step, or whether to clear SYSCFG.
+         *
+         * First, find out the interrupt level and the event vector for it.
+         */
+        p5.l = lo(EVT0);
+        p5.h = hi(EVT0);
+        p5 += -4;
+2:
+        r7 = rot r7 by -1;
+        p5 += 4;
+        if !cc jump 2b;
+
+        /* What we actually do is test for the _second_ instruction in the
+         * IRQ handler.  That way, if there are insns following the restore
+         * of SYSCFG after leaving the handler, we will not turn off SYSCFG
+         * for them.  */
+
+        r7 = [p5];
+        r7 += 2;
+        r6 = RETX;
+        cc = R7 == R6;
+        if !cc jump _bfin_return_from_exception;
+
+        r7 = syscfg;
+        bitclr (r7, 0);
+        syscfg = R7;
+
+        /* Fall through to _bfin_return_from_exception.  */
 ENDPROC(_ex_single_step)
 
 ENTRY(_bfin_return_from_exception)
@@ -234,20 +270,26 @@ ENTRY(_ex_trap_c)
         p5.l = _saved_icplb_fault_addr;
         [p5] = r7;
 
-        p4.l = __retx;
-        p4.h = __retx;
+        p4.l = _excpt_saved_stuff;
+        p4.h = _excpt_saved_stuff;
+
         r6 = retx;
         [p4] = r6;
-        p4.l = lo(SAFE_USER_INSTRUCTION);
-        p4.h = hi(SAFE_USER_INSTRUCTION);
-        retx = p4;
+
+        r6 = SYSCFG;
+        [p4 + 4] = r6;
+        BITCLR(r6, 0);
+        SYSCFG = r6;
 
         /* Disable all interrupts, but make sure level 5 is enabled so
          * we can switch to that level.  Save the old mask.  */
         cli r6;
-        p4.l = _excpt_saved_imask;
-        p4.h = _excpt_saved_imask;
-        [p4] = r6;
+        [p4 + 8] = r6;
+
+        p4.l = lo(SAFE_USER_INSTRUCTION);
+        p4.h = hi(SAFE_USER_INSTRUCTION);
+        retx = p4;
+
         r6 = 0x3f;
         sti r6;
 
@@ -295,6 +337,11 @@ ENTRY(_double_fault)
          */
         SAVE_ALL_SYS
 
+        /* The dumping functions expect the return address in the RETI
+         * slot.  */
+        r6 = retx;
+        [sp + PT_PC] = r6;
+
         r0 = sp;        /* stack frame pt_regs pointer argument ==> r0 */
         SP += -12;
         call _double_fault_c;
@@ -307,16 +354,17 @@ ENDPROC(_double_fault)
 ENTRY(_exception_to_level5)
         SAVE_ALL_SYS
 
-        p4.l = __retx;
-        p4.h = __retx;
+        p4.l = _excpt_saved_stuff;
+        p4.h = _excpt_saved_stuff;
         r6 = [p4];
         [sp + PT_PC] = r6;
 
+        r6 = [p4 + 4];
+        [sp + PT_SYSCFG] = r6;
+
         /* Restore interrupt mask.  We haven't pushed RETI, so this
          * doesn't enable interrupts until we return from this handler.  */
-        p4.l = _excpt_saved_imask;
-        p4.h = _excpt_saved_imask;
-        r6 = [p4];
+        r6 = [p4 + 8];
         sti r6;
 
         /* Restore the hardware error vector.  */
@@ -1344,7 +1392,14 @@ ENTRY(_sys_call_table)
         .rept NR_syscalls-(.-_sys_call_table)/4
         .long _sys_ni_syscall
         .endr
-_excpt_saved_imask:
+
+        /*
+         * Used to save the real RETX, IMASK and SYSCFG when temporarily
+         * storing safe values across the transition from exception to IRQ5.
+         */
+_excpt_saved_stuff:
+        .long 0;
+        .long 0;
         .long 0;
 
 _exception_stack:
@@ -1358,7 +1413,3 @@ _exception_stack_top:
 _last_cplb_fault_retx:
         .long 0;
 #endif
-        /* Used to save the real RETX when temporarily storing a safe
-         * return address.  */
-__retx:
-        .long 0;
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
index 8b9984197edc..a79fbd87021b 100644
--- a/arch/cris/kernel/sys_cris.c
+++ b/arch/cris/kernel/sys_cris.c
@@ -27,25 +27,6 @@
 #include <asm/uaccess.h>
 #include <asm/segment.h>
 
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way Unix traditionally does this, though.
- */
-asmlinkage int sys_pipe(unsigned long __user * fildes)
-{
-        int fd[2];
-        int error;
-
-        lock_kernel();
-        error = do_pipe(fd);
-        unlock_kernel();
-        if (!error) {
-                if (copy_to_user(fildes, fd, 2*sizeof(int)))
-                        error = -EFAULT;
-        }
-        return error;
-}
-
 /* common code for old and new mmaps */
 static inline long
 do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index 6d7a80fdad48..305ac852bbed 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -76,26 +76,6 @@ asmlinkage int sys_tas(int __user *addr)
         return oldval;
 }
 
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way Unix traditionally does this, though.
- */
-asmlinkage int
-sys_pipe(unsigned long r0, unsigned long r1, unsigned long r2,
-        unsigned long r3, unsigned long r4, unsigned long r5,
-        unsigned long r6, struct pt_regs regs)
-{
-        int fd[2];
-        int error;
-
-        error = do_pipe(fd);
-        if (!error) {
-                if (copy_to_user((void __user *)r0, fd, 2*sizeof(int)))
-                        error = -EFAULT;
-        }
-        return error;
-}
-
 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
         unsigned long prot, unsigned long flags,
         unsigned long fd, unsigned long pgoff)
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index fd4858e2dd63..75b8340b254b 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -468,15 +468,26 @@ static inline void access_error040(struct frame *fp)
                          * (if do_page_fault didn't fix the mapping,
                          * the writeback won't do good)
                          */
+disable_wb:
 #ifdef DEBUG
                         printk(".. disabling wb2\n");
 #endif
                         if (fp->un.fmt7.wb2a == fp->un.fmt7.faddr)
                                 fp->un.fmt7.wb2s &= ~WBV_040;
+                        if (fp->un.fmt7.wb3a == fp->un.fmt7.faddr)
+                                fp->un.fmt7.wb3s &= ~WBV_040;
                 }
-        } else if (send_fault_sig(&fp->ptregs) > 0) {
-                printk("68040 access error, ssw=%x\n", ssw);
-                trap_c(fp);
+        } else {
+                /* In case of a bus error we either kill the process or expect
+                 * the kernel to catch the fault, which then is also responsible
+                 * for cleaning up the mess.
+                 */
+                current->thread.signo = SIGBUS;
+                current->thread.faddr = fp->un.fmt7.faddr;
+                if (send_fault_sig(&fp->ptregs) >= 0)
+                        printk("68040 bus error (ssw=%x, faddr=%lx)\n", ssw,
+                               fp->un.fmt7.faddr);
+                goto disable_wb;
         }
 
         do_040writebacks(fp);
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 735a49b4b936..ad3e3bacae39 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -48,9 +48,6 @@
 struct mac_booter_data mac_bi_data;
 int mac_bisize = sizeof mac_bi_data;
 
-struct mac_hw_present mac_hw_present;
-EXPORT_SYMBOL(mac_hw_present);
-
 /* New m68k bootinfo stuff and videobase */
 
 extern int m68k_num_memory;
@@ -817,27 +814,6 @@ void __init mac_identify(void)
                 m68k_ramdisk.addr, m68k_ramdisk.size);
 #endif
 
-        /*
-         * TODO: set the various fields in macintosh_config->hw_present here!
-         */
-        switch (macintosh_config->scsi_type) {
-        case MAC_SCSI_OLD:
-                MACHW_SET(MAC_SCSI_80);
-                break;
-        case MAC_SCSI_QUADRA:
-        case MAC_SCSI_QUADRA2:
-        case MAC_SCSI_QUADRA3:
-                MACHW_SET(MAC_SCSI_96);
-                if ((macintosh_config->ident == MAC_MODEL_Q900) ||
-                    (macintosh_config->ident == MAC_MODEL_Q950))
-                        MACHW_SET(MAC_SCSI_96_2);
-                break;
-        default:
-                printk(KERN_WARNING "config.c: wtf: unknown scsi, using 53c80\n");
-                MACHW_SET(MAC_SCSI_80);
-                break;
-        }
-
         iop_init();
         via_init();
         oss_init();
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 07eb4c4bab82..8e8441587c22 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -671,6 +671,9 @@ config ROMKERNEL
 
 endchoice
 
+if COLDFIRE
+source "kernel/Kconfig.preempt"
+endif
 source "mm/Kconfig"
 
 endmenu
diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S
index 5592e0bf951f..93e69236ed6f 100644
--- a/arch/m68knommu/kernel/vmlinux.lds.S
+++ b/arch/m68knommu/kernel/vmlinux.lds.S
@@ -114,6 +114,16 @@ SECTIONS {
                 *(__kcrctab_gpl)
                 __stop___kcrctab_gpl = .;
 
+                /* Kernel symbol table: Normal unused symbols */
+                __start___kcrctab_unused = .;
+                *(__kcrctab_unused)
+                __stop___kcrctab_unused = .;
+
+                /* Kernel symbol table: GPL-only unused symbols */
+                __start___kcrctab_unused_gpl = .;
+                *(__kcrctab_unused_gpl)
+                __stop___kcrctab_unused_gpl = .;
+
                 /* Kernel symbol table: GPL-future symbols */
                 __start___kcrctab_gpl_future = .;
                 *(__kcrctab_gpl_future)
diff --git a/arch/mips/au1000/common/Makefile b/arch/mips/au1000/common/Makefile
index 90e2d7a46e8e..dd0e19dacfcf 100644
--- a/arch/mips/au1000/common/Makefile
+++ b/arch/mips/au1000/common/Makefile
@@ -1,9 +1,8 @@
 #
-#  Copyright 2000 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #
-# Makefile for the Alchemy Au1000 CPU, generic files.
+# Makefile for the Alchemy Au1xx0 CPUs, generic files.
 #
 
 obj-y += prom.o irq.o puts.o time.o reset.o \
diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/au1000/common/au1xxx_irqmap.c
index 37a10a01de9d..c7ca1596394c 100644
--- a/arch/mips/au1000/common/au1xxx_irqmap.c
+++ b/arch/mips/au1000/common/au1xxx_irqmap.c
@@ -40,20 +40,20 @@
 struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
 
 #if defined(CONFIG_SOC_AU1000)
-        { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
+        { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@@ -62,32 +62,32 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
         { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
 
 #elif defined(CONFIG_SOC_AU1500)
 
-        { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
-        { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
-        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
+        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@@ -100,26 +100,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
         { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
 
 #elif defined(CONFIG_SOC_AU1100)
 
-        { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
+        { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@@ -128,33 +128,33 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
         { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
         { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
-        /*{ AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0},*/
-        { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
+        /* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */
+        { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
 
 #elif defined(CONFIG_SOC_AU1550)
 
-        { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
         { AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
-        { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
         { AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
         { AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 },
-        { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@@ -163,26 +163,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
         { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0},
+        { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
-        { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
 
 #elif defined(CONFIG_SOC_AU1200)
 
-        { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 },
-        { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 },
-        { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 },
         { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@@ -191,10 +191,10 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
         { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
-        { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0},
+        { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 },
         { AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 },
-        { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
-        { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0},
+        { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
+        { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 },
 
 #else
 #error "Error: Unknown Alchemy SOC"
@@ -203,4 +203,3 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
 };
 
 int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map);
-
diff --git a/arch/mips/au1000/common/clocks.c b/arch/mips/au1000/common/clocks.c
index 3ce6cace0eb0..46f8ee0e2657 100644
--- a/arch/mips/au1000/common/clocks.c
+++ b/arch/mips/au1000/common/clocks.c
@@ -1,10 +1,9 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Simple Au1000 clocks routines.
+ *      Simple Au1xx0 clocks routines.
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -30,8 +29,8 @@
 #include <linux/module.h>
 #include <asm/mach-au1x00/au1000.h>
 
-static unsigned int au1x00_clock; // Hz
-static unsigned int lcd_clock;    // KHz
+static unsigned int au1x00_clock; /*  Hz */
+static unsigned int lcd_clock;    /* KHz */
 static unsigned long uart_baud_base;
 
 /*
@@ -47,8 +46,6 @@ unsigned int get_au1x00_speed(void)
         return au1x00_clock;
 }
 
-
-
 /*
  * The UART baud base is not known at compile time ... if
  * we want to be able to use the same code on different
@@ -73,24 +70,23 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
 void set_au1x00_lcd_clock(void)
 {
         unsigned int static_cfg0;
-        unsigned int sys_busclk =
-                (get_au1x00_speed()/1000) /
-                ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2);
+        unsigned int sys_busclk = (get_au1x00_speed() / 1000) /
+                                  ((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2);
 
         static_cfg0 = au_readl(MEM_STCFG0);
 
-        if (static_cfg0 & (1<<11))
+        if (static_cfg0 & (1 << 11))
                 lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */
         else
                 lcd_clock = sys_busclk / 4;
 
         if (lcd_clock > 50000) /* Epson MAX */
-                printk("warning: LCD clock too high (%d KHz)\n", lcd_clock);
+                printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n",
+                                    lcd_clock);
 }
 
 unsigned int get_au1x00_lcd_clock(void)
 {
         return lcd_clock;
 }
-
 EXPORT_SYMBOL(get_au1x00_lcd_clock);
diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c
index 8c93a05d7382..ba6430bc2d03 100644
--- a/arch/mips/au1000/common/cputable.c
+++ b/arch/mips/au1000/common/cputable.c
@@ -14,7 +14,7 @@
 
 #include <asm/mach-au1x00/au1000.h>
 
-struct cpu_spec* cur_cpu_spec[NR_CPUS];
+struct cpu_spec *cur_cpu_spec[NR_CPUS];
 
 /* With some thought, we can probably use the mask to reduce the
  * size of the table.
@@ -39,8 +39,7 @@ struct cpu_spec cpu_specs[] = {
         { 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0, 0 }
 };
 
-void
-set_cpuspec(void)
+void set_cpuspec(void)
 {
         struct  cpu_spec *sp;
         u32     prid;
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 53377dfc0640..42d555236de1 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -53,12 +53,11 @@
  */
 static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock);
 
-/* I couldn't find a macro that did this......
-*/
+/* I couldn't find a macro that did this... */
 #define ALIGN_ADDR(x, a)        ((((u32)(x)) + (a-1)) & ~(a-1))
 
 static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
-static int dbdma_initialized=0;
+static int dbdma_initialized;
 static void au1xxx_dbdma_init(void);
 
 static dbdev_tab_t dbdev_tab[] = {
@@ -149,7 +148,7 @@ static dbdev_tab_t dbdev_tab[] = {
 
         { DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
 
-#endif // CONFIG_SOC_AU1200
+#endif /* CONFIG_SOC_AU1200 */
 
         { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
         { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
@@ -177,8 +176,7 @@ static dbdev_tab_t dbdev_tab[] = {
 
 static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS];
 
-static dbdev_tab_t *
-find_dbdev_id(u32 id)
+static dbdev_tab_t *find_dbdev_id(u32 id)
 {
         int i;
         dbdev_tab_t *p;
@@ -190,29 +188,27 @@ find_dbdev_id(u32 id)
         return NULL;
 }
 
-void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp)
+void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp)
 {
-        return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
+        return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 }
 EXPORT_SYMBOL(au1xxx_ddma_get_nextptr_virt);
 
-u32
-au1xxx_ddma_add_device(dbdev_tab_t *dev)
+u32 au1xxx_ddma_add_device(dbdev_tab_t *dev)
 {
         u32 ret = 0;
-        dbdev_tab_t *p=NULL;
-        static u16 new_id=0x1000;
+        dbdev_tab_t *p;
+        static u16 new_id = 0x1000;
 
         p = find_dbdev_id(~0);
-        if ( NULL != p )
-        {
+        if (NULL != p) {
                 memcpy(p, dev, sizeof(dbdev_tab_t));
                 p->dev_id = DSCR_DEV2CUSTOM_ID(new_id, dev->dev_id);
                 ret = p->dev_id;
                 new_id++;
 #if 0
-                printk("add_device: id:%x flags:%x padd:%x\n",
-                                p->dev_id, p->dev_flags, p->dev_physaddr );
+                printk(KERN_DEBUG "add_device: id:%x flags:%x padd:%x\n",
+                                  p->dev_id, p->dev_flags, p->dev_physaddr);
 #endif
         }
 
@@ -220,10 +216,8 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev)
 }
 EXPORT_SYMBOL(au1xxx_ddma_add_device);
 
-/* Allocate a channel and return a non-zero descriptor if successful.
-*/
-u32
-au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
+/* Allocate a channel and return a non-zero descriptor if successful. */
+u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
        void (*callback)(int, void *), void *callparam)
 {
         unsigned long   flags;
@@ -234,7 +228,8 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
         chan_tab_t      *ctp;
         au1x_dma_chan_t *cp;
 
-        /* We do the intialization on the first channel allocation.
+        /*
+         * We do the intialization on the first channel allocation.
          * We have to wait because of the interrupt handler initialization
          * which can't be done successfully during board set up.
          */
@@ -242,16 +237,17 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                 au1xxx_dbdma_init();
         dbdma_initialized = 1;
 
-        if ((stp = find_dbdev_id(srcid)) == NULL)
+        stp = find_dbdev_id(srcid);
+        if (stp == NULL)
                 return 0;
-        if ((dtp = find_dbdev_id(destid)) == NULL)
+        dtp = find_dbdev_id(destid);
+        if (dtp == NULL)
                 return 0;
 
         used = 0;
         rv = 0;
 
-        /* Check to see if we can get both channels.
-        */
+        /* Check to see if we can get both channels. */
         spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags);
         if (!(stp->dev_flags & DEV_FLAGS_INUSE) ||
              (stp->dev_flags & DEV_FLAGS_ANYUSE)) {
@@ -261,35 +257,30 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                      (dtp->dev_flags & DEV_FLAGS_ANYUSE)) {
                         /* Got destination */
                         dtp->dev_flags |= DEV_FLAGS_INUSE;
-                }
-                else {
-                        /* Can't get dest.  Release src.
-                        */
+                } else {
+                        /* Can't get dest.  Release src. */
                         stp->dev_flags &= ~DEV_FLAGS_INUSE;
                         used++;
                 }
-        }
-        else {
+        } else
                 used++;
-        }
         spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags);
 
         if (!used) {
-                /* Let's see if we can allocate a channel for it.
-                */
+                /* Let's see if we can allocate a channel for it. */
                 ctp = NULL;
                 chan = 0;
                 spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags);
-                for (i=0; i<NUM_DBDMA_CHANS; i++) {
+                for (i = 0; i < NUM_DBDMA_CHANS; i++)
                         if (chan_tab_ptr[i] == NULL) {
-                                /* If kmalloc fails, it is caught below same
+                                /*
+                                 * If kmalloc fails, it is caught below same
                                  * as a channel not available.
                                  */
                                 ctp = kmalloc(sizeof(chan_tab_t), GFP_ATOMIC);
                                 chan_tab_ptr[i] = ctp;
                                 break;
                         }
-                }
                 spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags);
 
                 if (ctp != NULL) {
@@ -304,8 +295,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                         ctp->chan_callback = callback;
                         ctp->chan_callparam = callparam;
 
-                        /* Initialize channel configuration.
-                        */
+                        /* Initialize channel configuration. */
                         i = 0;
                         if (stp->dev_intlevel)
                                 i |= DDMA_CFG_SED;
@@ -326,8 +316,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
                          * operations.
                          */
                         rv = (u32)(&chan_tab_ptr[chan]);
-                }
-                else {
+                } else {
                         /* Release devices */
                         stp->dev_flags &= ~DEV_FLAGS_INUSE;
                         dtp->dev_flags &= ~DEV_FLAGS_INUSE;
@@ -337,11 +326,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
 }
 EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc);
 
-/* Set the device width if source or destination is a FIFO.
+/*
+ * Set the device width if source or destination is a FIFO.
  * Should be 8, 16, or 32 bits.
  */
-u32
-au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
+u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
 {
         u32             rv;
         chan_tab_t      *ctp;
@@ -365,10 +354,8 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
 }
 EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth);
 
-/* Allocate a descriptor ring, initializing as much as possible.
-*/
-u32
-au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
+/* Allocate a descriptor ring, initializing as much as possible. */
+u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
 {
         int                     i;
         u32                     desc_base, srcid, destid;
@@ -378,43 +365,45 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
         dbdev_tab_t             *stp, *dtp;
         au1x_ddma_desc_t        *dp;
 
-        /* I guess we could check this to be within the
+        /*
+         * I guess we could check this to be within the
          * range of the table......
          */
         ctp = *((chan_tab_t **)chanid);
         stp = ctp->chan_src;
         dtp = ctp->chan_dest;
 
-        /* The descriptors must be 32-byte aligned.  There is a
+        /*
+         * The descriptors must be 32-byte aligned.  There is a
          * possibility the allocation will give us such an address,
          * and if we try that first we are likely to not waste larger
          * slabs of memory.
          */
         desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t),
-                        GFP_KERNEL|GFP_DMA);
+                                 GFP_KERNEL|GFP_DMA);
         if (desc_base == 0)
                 return 0;
 
         if (desc_base & 0x1f) {
-                /* Lost....do it again, allocate extra, and round
+                /*
+                 * Lost....do it again, allocate extra, and round
                  * the address base.
                  */
                 kfree((const void *)desc_base);
                 i = entries * sizeof(au1x_ddma_desc_t);
                 i += (sizeof(au1x_ddma_desc_t) - 1);
-                if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0)
+                desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA);
+                if (desc_base == 0)
                         return 0;
 
                 desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t));
         }
         dp = (au1x_ddma_desc_t *)desc_base;
 
-        /* Keep track of the base descriptor.
-        */
+        /* Keep track of the base descriptor. */
         ctp->chan_desc_base = dp;
 
-        /* Initialize the rings with as much information as we know.
-         */
+        /* Initialize the rings with as much information as we know. */
         srcid = stp->dev_id;
         destid = dtp->dev_id;
 
@@ -426,11 +415,12 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
         cmd0 |= DSCR_CMD0_IE | DSCR_CMD0_CV;
         cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_NOCHANGE);
 
-        /* is it mem to mem transfer? */
-        if(((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) &&
-           ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) {
-               cmd0 |= DSCR_CMD0_MEM;
-        }
+        /* Is it mem to mem transfer? */
+        if (((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) ||
+             (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) &&
+            ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) ||
+             (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS)))
+                cmd0 |= DSCR_CMD0_MEM;
 
         switch (stp->dev_devwidth) {
         case 8:
@@ -458,15 +448,17 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 break;
         }
 
-        /* If the device is marked as an in/out FIFO, ensure it is
+        /*
+         * If the device is marked as an in/out FIFO, ensure it is
          * set non-coherent.
          */
         if (stp->dev_flags & DEV_FLAGS_IN)
-                cmd0 |= DSCR_CMD0_SN;           /* Source in fifo */
+                cmd0 |= DSCR_CMD0_SN;           /* Source in FIFO */
         if (dtp->dev_flags & DEV_FLAGS_OUT)
-                cmd0 |= DSCR_CMD0_DN;           /* Destination out fifo */
+                cmd0 |= DSCR_CMD0_DN;           /* Destination out FIFO */
 
-        /* Set up source1.  For now, assume no stride and increment.
+        /*
+         * Set up source1.  For now, assume no stride and increment.
          * A channel attribute update can change this later.
          */
         switch (stp->dev_tsize) {
@@ -485,19 +477,19 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 break;
         }
 
-        /* If source input is fifo, set static address.
-        */
+        /* If source input is FIFO, set static address. */
         if (stp->dev_flags & DEV_FLAGS_IN) {
-                if ( stp->dev_flags & DEV_FLAGS_BURSTABLE )
+                if (stp->dev_flags & DEV_FLAGS_BURSTABLE)
                         src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST);
                 else
-                src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC);
-
+                        src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC);
         }
+
         if (stp->dev_physaddr)
                 src0 = stp->dev_physaddr;
 
-        /* Set up dest1.  For now, assume no stride and increment.
+        /*
+         * Set up dest1.  For now, assume no stride and increment.
          * A channel attribute update can change this later.
          */
         switch (dtp->dev_tsize) {
@@ -516,22 +508,24 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 break;
         }
 
-        /* If destination output is fifo, set static address.
-        */
+        /* If destination output is FIFO, set static address. */
         if (dtp->dev_flags & DEV_FLAGS_OUT) {
-                if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE )
-                        dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST);
-                                else
-                dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC);
+                if (dtp->dev_flags & DEV_FLAGS_BURSTABLE)
+                        dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST);
+                else
+                        dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC);
         }
+
         if (dtp->dev_physaddr)
                 dest0 = dtp->dev_physaddr;
 
 #if 0
-                printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
-                        dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 );
+                printk(KERN_DEBUG "did:%x sid:%x cmd0:%x cmd1:%x source0:%x "
+                                  "source1:%x dest0:%x dest1:%x\n",
+                                  dtp->dev_id, stp->dev_id, cmd0, cmd1, src0,
+                                  src1, dest0, dest1);
 #endif
-        for (i=0; i<entries; i++) {
+        for (i = 0; i < entries; i++) {
                 dp->dscr_cmd0 = cmd0;
                 dp->dscr_cmd1 = cmd1;
                 dp->dscr_source0 = src0;
@@ -545,49 +539,49 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 dp++;
         }
 
-        /* Make last descrptor point to the first.
-        */
+        /* Make last descrptor point to the first. */
         dp--;
         dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(ctp->chan_desc_base));
         ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base;
 
-        return (u32)(ctp->chan_desc_base);
+        return (u32)ctp->chan_desc_base;
 }
 EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc);
 
-/* Put a source buffer into the DMA ring.
+/*
+ * Put a source buffer into the DMA ring.
  * This updates the source pointer and byte count.  Normally used
  * for memory to fifo transfers.
  */
-u32
-_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
+u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
 {
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
 
-        /* I guess we could check this to be within the
+        /*
+         * I guess we could check this to be within the
          * range of the table......
          */
-        ctp = *((chan_tab_t **)chanid);
+        ctp = *(chan_tab_t **)chanid;
 
-        /* We should have multiple callers for a particular channel,
+        /*
+         * We should have multiple callers for a particular channel,
          * an interrupt doesn't affect this pointer nor the descriptor,
          * so no locking should be needed.
          */
         dp = ctp->put_ptr;
 
-        /* If the descriptor is valid, we are way ahead of the DMA
+        /*
+         * If the descriptor is valid, we are way ahead of the DMA
          * engine, so just return an error condition.
          */
-        if (dp->dscr_cmd0 & DSCR_CMD0_V) {
+        if (dp->dscr_cmd0 & DSCR_CMD0_V)
                 return 0;
-        }
 
-        /* Load up buffer address and byte count.
-        */
+        /* Load up buffer address and byte count. */
         dp->dscr_source0 = virt_to_phys(buf);
         dp->dscr_cmd1 = nbytes;
-        /* Check flags  */
+        /* Check flags */
         if (flags & DDMA_FLAGS_IE)
                 dp->dscr_cmd0 |= DSCR_CMD0_IE;
         if (flags & DDMA_FLAGS_NOIE)
@@ -595,23 +589,21 @@ _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
 
         /*
          * There is an errata on the Au1200/Au1550 parts that could result
-         * in "stale" data being DMA'd. It has to do with the snoop logic on
-         * the dache eviction buffer.  NONCOHERENT_IO is on by default for
-         * these parts. If it is fixedin the future, these dma_cache_inv will
+         * in "stale" data being DMA'ed. It has to do with the snoop logic on
+         * the cache eviction buffer.  DMA_NONCOHERENT is on by default for
+         * these parts. If it is fixed in the future, these dma_cache_inv will
          * just be nothing more than empty macros. See io.h.
-         * */
+         */
         dma_cache_wback_inv((unsigned long)buf, nbytes);
-        dp->dscr_cmd0 |= DSCR_CMD0_V;        /* Let it rip */
+        dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
         dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
-        ctp->chan_ptr->ddma_dbell = 0;
+        ctp->chan_ptr->ddma_dbell = 0;
 
-        /* Get next descriptor pointer.
-        */
+        /* Get next descriptor pointer. */
         ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 
-        /* return something not zero.
-        */
+        /* Return something non-zero. */
         return nbytes;
 }
 EXPORT_SYMBOL(_au1xxx_dbdma_put_source);
@@ -654,81 +646,77 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
         dp->dscr_dest0 = virt_to_phys(buf);
         dp->dscr_cmd1 = nbytes;
 #if 0
-        printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
-                        dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0,
-                        dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 );
+        printk(KERN_DEBUG "cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
+                          dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0,
+                          dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
 #endif
         /*
          * There is an errata on the Au1200/Au1550 parts that could result in
-         * "stale" data being DMA'd. It has to do with the snoop logic on the
-         * dache eviction buffer. NONCOHERENT_IO is on by default for these
-         * parts. If it is fixedin the future, these dma_cache_inv will just
+         * "stale" data being DMA'ed. It has to do with the snoop logic on the
+         * cache eviction buffer.  DMA_NONCOHERENT is on by default for these
+         * parts. If it is fixed in the future, these dma_cache_inv will just
          * be nothing more than empty macros. See io.h.
-         * */
+         */
         dma_cache_inv((unsigned long)buf, nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
         dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
-        ctp->chan_ptr->ddma_dbell = 0;
+        ctp->chan_ptr->ddma_dbell = 0;
 
-        /* Get next descriptor pointer.
-        */
+        /* Get next descriptor pointer. */
         ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 
-        /* return something not zero.
-        */
+        /* Return something non-zero. */
         return nbytes;
 }
 EXPORT_SYMBOL(_au1xxx_dbdma_put_dest);
 
-/* Get a destination buffer into the DMA ring.
+/*
+ * Get a destination buffer into the DMA ring.
  * Normally used to get a full buffer from the ring during fifo
  * to memory transfers.  This does not set the valid bit, you will
  * have to put another destination buffer to keep the DMA going.
  */
-u32
-au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes)
+u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes)
 {
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
         u32                     rv;
 
-        /* I guess we could check this to be within the
+        /*
+         * I guess we could check this to be within the
          * range of the table......
          */
         ctp = *((chan_tab_t **)chanid);
 
-        /* We should have multiple callers for a particular channel,
+        /*
+         * We should have multiple callers for a particular channel,
          * an interrupt doesn't affect this pointer nor the descriptor,
          * so no locking should be needed.
          */
         dp = ctp->get_ptr;
 
-        /* If the descriptor is valid, we are way ahead of the DMA
+        /*
+         * If the descriptor is valid, we are way ahead of the DMA
          * engine, so just return an error condition.
          */
         if (dp->dscr_cmd0 & DSCR_CMD0_V)
                 return 0;
 
-        /* Return buffer address and byte count.
-        */
+        /* Return buffer address and byte count. */
         *buf = (void *)(phys_to_virt(dp->dscr_dest0));
         *nbytes = dp->dscr_cmd1;
         rv = dp->dscr_stat;
 
-        /* Get next descriptor pointer.
-        */
+        /* Get next descriptor pointer. */
         ctp->get_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 
-        /* return something not zero.
-        */
+        /* Return something non-zero. */
         return rv;
 }
-
 EXPORT_SYMBOL_GPL(au1xxx_dbdma_get_dest);
 
-void
-au1xxx_dbdma_stop(u32 chanid)
+void au1xxx_dbdma_stop(u32 chanid)
 {
         chan_tab_t      *ctp;
         au1x_dma_chan_t *cp;
@@ -743,7 +731,7 @@ au1xxx_dbdma_stop(u32 chanid)
                 udelay(1);
                 halt_timeout++;
                 if (halt_timeout > 100) {
-                        printk("warning: DMA channel won't halt\n");
+                        printk(KERN_WARNING "warning: DMA channel won't halt\n");
                         break;
                 }
         }
@@ -753,12 +741,12 @@ au1xxx_dbdma_stop(u32 chanid)
 }
 EXPORT_SYMBOL(au1xxx_dbdma_stop);
 
-/* Start using the current descriptor pointer.  If the dbdma encounters
- * a not valid descriptor, it will stop.  In this case, we can just
+/*
+ * Start using the current descriptor pointer.  If the DBDMA encounters
+ * a non-valid descriptor, it will stop.  In this case, we can just
  * continue by adding a buffer to the list and starting again.
  */
-void
-au1xxx_dbdma_start(u32 chanid)
+void au1xxx_dbdma_start(u32 chanid)
 {
         chan_tab_t      *ctp;
         au1x_dma_chan_t *cp;
@@ -773,8 +761,7 @@ au1xxx_dbdma_start(u32 chanid)
 }
 EXPORT_SYMBOL(au1xxx_dbdma_start);
 
-void
-au1xxx_dbdma_reset(u32 chanid)
+void au1xxx_dbdma_reset(u32 chanid)
 {
         chan_tab_t              *ctp;
         au1x_ddma_desc_t        *dp;
@@ -784,14 +771,14 @@ au1xxx_dbdma_reset(u32 chanid)
         ctp = *((chan_tab_t **)chanid);
         ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base;
 
-        /* Run through the descriptors and reset the valid indicator.
-        */
+        /* Run through the descriptors and reset the valid indicator. */
         dp = ctp->chan_desc_base;
 
         do {
                 dp->dscr_cmd0 &= ~DSCR_CMD0_V;
-                /* reset our SW status -- this is used to determine
-                 * if a descriptor is in use by upper level SW. Since
+                /*
+                 * Reset our software status -- this is used to determine
+                 * if a descriptor is in use by upper level software. Since
                  * posting can reset 'V' bit.
                  */
                 dp->sw_status = 0;
@@ -800,8 +787,7 @@ au1xxx_dbdma_reset(u32 chanid)
 }
 EXPORT_SYMBOL(au1xxx_dbdma_reset);
 
-u32
-au1xxx_get_dma_residue(u32 chanid)
+u32 au1xxx_get_dma_residue(u32 chanid)
 {
         chan_tab_t      *ctp;
         au1x_dma_chan_t *cp;
@@ -810,18 +796,15 @@ au1xxx_get_dma_residue(u32 chanid)
         ctp = *((chan_tab_t **)chanid);
         cp = ctp->chan_ptr;
 
-        /* This is only valid if the channel is stopped.
-        */
+        /* This is only valid if the channel is stopped. */
         rv = cp->ddma_bytecnt;
         au_sync();
 
         return rv;
 }
-
 EXPORT_SYMBOL_GPL(au1xxx_get_dma_residue);
 
-void
-au1xxx_dbdma_chan_free(u32 chanid)
+void au1xxx_dbdma_chan_free(u32 chanid)
 {
         chan_tab_t      *ctp;
         dbdev_tab_t     *stp, *dtp;
@@ -842,8 +825,7 @@ au1xxx_dbdma_chan_free(u32 chanid)
 }
 EXPORT_SYMBOL(au1xxx_dbdma_chan_free);
 
-static irqreturn_t
-dbdma_interrupt(int irq, void *dev_id)
+static irqreturn_t dbdma_interrupt(int irq, void *dev_id)
 {
         u32 intstat;
         u32 chan_index;
@@ -859,13 +841,12 @@ dbdma_interrupt(int irq, void *dev_id)
         cp = ctp->chan_ptr;
         dp = ctp->cur_ptr;
 
-        /* Reset interrupt.
-        */
+        /* Reset interrupt. */
         cp->ddma_irq = 0;
         au_sync();
 
         if (ctp->chan_callback)
-                (ctp->chan_callback)(irq, ctp->chan_callparam);
+                ctp->chan_callback(irq, ctp->chan_callparam);
 
         ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
         return IRQ_RETVAL(1);
@@ -890,47 +871,47 @@ static void au1xxx_dbdma_init(void)
 
         if (request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED,
                         "Au1xxx dbdma", (void *)dbdma_gptr))
-                printk("Can't get 1550 dbdma irq");
+                printk(KERN_ERR "Can't get 1550 dbdma irq");
 }
 
-void
-au1xxx_dbdma_dump(u32 chanid)
+void au1xxx_dbdma_dump(u32 chanid)
 {
-        chan_tab_t              *ctp;
-        au1x_ddma_desc_t        *dp;
-        dbdev_tab_t             *stp, *dtp;
-        au1x_dma_chan_t *cp;
-                u32                     i = 0;
+        chan_tab_t       *ctp;
+        au1x_ddma_desc_t *dp;
+        dbdev_tab_t      *stp, *dtp;
+        au1x_dma_chan_t  *cp;
+        u32 i            = 0;
 
         ctp = *((chan_tab_t **)chanid);
         stp = ctp->chan_src;
         dtp = ctp->chan_dest;
         cp = ctp->chan_ptr;
 
-        printk("Chan %x, stp %x (dev %d)  dtp %x (dev %d) \n",
-                (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, dtp - dbdev_tab);
-        printk("desc base %x, get %x, put %x, cur %x\n",
-                (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr),
-                (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr));
-
-        printk("dbdma chan %x\n", (u32)cp);
-        printk("cfg %08x, desptr %08x, statptr %08x\n",
-                cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr);
-        printk("dbell %08x, irq %08x, stat %08x, bytecnt %08x\n",
-                cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, cp->ddma_bytecnt);
-
-
-        /* Run through the descriptors
-        */
+        printk(KERN_DEBUG "Chan %x, stp %x (dev %d)  dtp %x (dev %d) \n",
+                          (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp,
+                          dtp - dbdev_tab);
+        printk(KERN_DEBUG "desc base %x, get %x, put %x, cur %x\n",
+                          (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr),
+                          (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr));
+
+        printk(KERN_DEBUG "dbdma chan %x\n", (u32)cp);
+        printk(KERN_DEBUG "cfg %08x, desptr %08x, statptr %08x\n",
+                          cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr);
+        printk(KERN_DEBUG "dbell %08x, irq %08x, stat %08x, bytecnt %08x\n",
+                          cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat,
+                          cp->ddma_bytecnt);
+
+        /* Run through the descriptors */
         dp = ctp->chan_desc_base;
 
         do {
-                printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
-                        i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
-                printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
-                        dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
-                printk("stat %08x, nxtptr %08x\n",
-                        dp->dscr_stat, dp->dscr_nxtptr);
+                printk(KERN_DEBUG "Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
+                                  i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
+                printk(KERN_DEBUG "src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
+                                  dp->dscr_source0, dp->dscr_source1,
+                                  dp->dscr_dest0, dp->dscr_dest1);
+                printk(KERN_DEBUG "stat %08x, nxtptr %08x\n",
+                                  dp->dscr_stat, dp->dscr_nxtptr);
                 dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
         } while (dp != ctp->chan_desc_base);
 }
@@ -938,32 +919,33 @@ au1xxx_dbdma_dump(u32 chanid)
 /* Put a descriptor into the DMA ring.
  * This updates the source/destination pointers and byte count.
  */
-u32
-au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
+u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr)
 {
         chan_tab_t *ctp;
         au1x_ddma_desc_t *dp;
-        u32 nbytes=0;
+        u32 nbytes = 0;
 
-        /* I guess we could check this to be within the
-        * range of the table......
-        */
+        /*
+         * I guess we could check this to be within the
+         * range of the table......
+         */
         ctp = *((chan_tab_t **)chanid);
 
-        /* We should have multiple callers for a particular channel,
-        * an interrupt doesn't affect this pointer nor the descriptor,
-        * so no locking should be needed.
-        */
+        /*
+         * We should have multiple callers for a particular channel,
+         * an interrupt doesn't affect this pointer nor the descriptor,
+         * so no locking should be needed.
+         */
         dp = ctp->put_ptr;
 
-        /* If the descriptor is valid, we are way ahead of the DMA
-        * engine, so just return an error condition.
-        */
+        /*
+         * If the descriptor is valid, we are way ahead of the DMA
+         * engine, so just return an error condition.
+         */
         if (dp->dscr_cmd0 & DSCR_CMD0_V)
                 return 0;
 
-        /* Load up buffer addresses and byte count.
-        */
+        /* Load up buffer addresses and byte count. */
         dp->dscr_dest0 = dscr->dscr_dest0;
         dp->dscr_source0 = dscr->dscr_source0;
         dp->dscr_dest1 = dscr->dscr_dest1;
@@ -975,14 +957,11 @@ au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
         dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V;
         ctp->chan_ptr->ddma_dbell = 0;
 
-        /* Get next descriptor pointer.
-        */
+        /* Get next descriptor pointer. */
         ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 
-        /* return something not zero.
-        */
+        /* Return something non-zero. */
         return nbytes;
 }
 
 #endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */
-
diff --git a/arch/mips/au1000/common/dbg_io.c b/arch/mips/au1000/common/dbg_io.c
index eae1bb2ca26e..af5be7df2f2a 100644
--- a/arch/mips/au1000/common/dbg_io.c
+++ b/arch/mips/au1000/common/dbg_io.c
@@ -1,3 +1,4 @@
+#include <linux/types.h>
 
 #include <asm/mach-au1x00/au1000.h>
 
@@ -8,12 +9,6 @@
  * uart to be used for debugging.
  */
 #define DEBUG_BASE  UART_DEBUG_BASE
-/**/
-
-/* we need uint32 uint8 */
-/* #include "types.h" */
-typedef         unsigned char uint8;
-typedef         unsigned int  uint32;
 
 #define         UART16550_BAUD_2400             2400
 #define         UART16550_BAUD_4800             4800
@@ -51,17 +46,15 @@ typedef         unsigned int  uint32;
 #define UART_MOD_CNTRL  0x100   /* Module Control */
 
 /* memory-mapped read/write of the port */
-#define UART16550_READ(y)    (au_readl(DEBUG_BASE + y) & 0xff)
-#define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y))
+#define UART16550_READ(y)     (au_readl(DEBUG_BASE + y) & 0xff)
+#define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y))
 
 extern unsigned long calc_clock(void);
 
-void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
+void debugInit(u32 baud, u8 data, u8 parity, u8 stop)
 {
-
-        if (UART16550_READ(UART_MOD_CNTRL) != 0x3) {
+        if (UART16550_READ(UART_MOD_CNTRL) != 0x3)
                 UART16550_WRITE(UART_MOD_CNTRL, 3);
-        }
         calc_clock();
 
         /* disable interrupts */
@@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
 
         /* set up baud rate */
         {
-                uint32 divisor;
+                u32 divisor;
 
                 /* set divisor */
                 divisor = get_au1x00_uart_baud_base() / baud;
@@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
         UART16550_WRITE(UART_LCR, (data | parity | stop));
 }
 
-static int remoteDebugInitialized = 0;
+static int remoteDebugInitialized;
 
-uint8 getDebugChar(void)
+u8 getDebugChar(void)
 {
         if (!remoteDebugInitialized) {
                 remoteDebugInitialized = 1;
@@ -92,15 +85,13 @@ uint8 getDebugChar(void)
                           UART16550_STOP_1BIT);
         }
 
-        while((UART16550_READ(UART_LSR) & 0x1) == 0);
+        while ((UART16550_READ(UART_LSR) & 0x1) == 0);
         return UART16550_READ(UART_RX);
 }
 
 
-int putDebugChar(uint8 byte)
+int putDebugChar(u8 byte)
 {
-//      int i;
-
         if (!remoteDebugInitialized) {
                 remoteDebugInitialized = 1;
                 debugInit(UART16550_BAUD_115200,
@@ -109,9 +100,8 @@ int putDebugChar(uint8 byte)
                           UART16550_STOP_1BIT);
         }
 
-        while ((UART16550_READ(UART_LSR)&0x40) == 0);
+        while ((UART16550_READ(UART_LSR) & 0x40) == 0);
         UART16550_WRITE(UART_TX, byte);
-        //for (i=0;i<0xfff;i++);
 
         return 1;
 }
diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c
index 95f69ea146e9..d6fbda232e6a 100644
--- a/arch/mips/au1000/common/dma.c
+++ b/arch/mips/au1000/common/dma.c
@@ -1,12 +1,11 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *      A DMA channel allocator for Au1000. API is modeled loosely off of
+ *      A DMA channel allocator for Au1x00. API is modeled loosely off of
  *      linux/kernel/dma.c.
  *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              stevel@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
  *
  *  This program is free software; you can redistribute  it and/or modify it
@@ -39,7 +38,8 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1000_dma.h>
 
-#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1100)
+#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \
+    defined(CONFIG_SOC_AU1100)
 /*
  * A note on resource allocation:
  *
@@ -56,7 +56,6 @@
  * returned from request_dma.
  */
 
-
 DEFINE_SPINLOCK(au1000_dma_spin_lock);
 
 struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
@@ -71,7 +70,7 @@ struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
 };
 EXPORT_SYMBOL(au1000_dma_table);
 
-// Device FIFO addresses and default DMA modes
+/* Device FIFO addresses and default DMA modes */
 static const struct dma_dev {
         unsigned int fifo_addr;
         unsigned int dma_mode;
@@ -80,8 +79,8 @@ static const struct dma_dev {
         {UART0_ADDR + UART_RX, 0},
         {0, 0},
         {0, 0},
-        {AC97C_DATA, DMA_DW16 },          // coherent
-        {AC97C_DATA, DMA_DR | DMA_DW16 }, // coherent
+        {AC97C_DATA, DMA_DW16 },          /* coherent */
+        {AC97C_DATA, DMA_DR | DMA_DW16 }, /* coherent */
         {UART3_ADDR + UART_TX, DMA_DW8 | DMA_NC},
         {UART3_ADDR + UART_RX, DMA_DR | DMA_DW8 | DMA_NC},
         {USBD_EP0RD, DMA_DR | DMA_DW8 | DMA_NC},
@@ -101,10 +100,10 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
         struct dma_chan *chan;
 
         for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
-                if ((chan = get_dma_chan(i)) != NULL) {
+                chan = get_dma_chan(i);
+                if (chan != NULL)
                         len += sprintf(buf + len, "%2d: %s\n",
                                        i, chan->dev_str);
-                }
         }
 
         if (fpos >= len) {
@@ -113,18 +112,19 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
                 return 0;
         }
         *start = buf + fpos;
-        if ((len -= fpos) > length)
+        len -= fpos;
+        if (len > length)
                 return length;
         *eof = 1;
         return len;
 }
 
-// Device FIFO addresses and default DMA modes - 2nd bank
+/* Device FIFO addresses and default DMA modes - 2nd bank */
 static const struct dma_dev dma_dev_table_bank2[DMA_NUM_DEV_BANK2] = {
-        {SD0_XMIT_FIFO, DMA_DS | DMA_DW8},              // coherent
-        {SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8},     // coherent
-        {SD1_XMIT_FIFO, DMA_DS | DMA_DW8},              // coherent
-        {SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8}      // coherent
+        { SD0_XMIT_FIFO, DMA_DS | DMA_DW8 },            /* coherent */
+        { SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 },   /* coherent */
+        { SD1_XMIT_FIFO, DMA_DS | DMA_DW8 },            /* coherent */
+        { SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 }    /* coherent */
 };
 
 void dump_au1000_dma_channel(unsigned int dmanr)
@@ -150,7 +150,6 @@ void dump_au1000_dma_channel(unsigned int dmanr)
                au_readl(chan->io + DMA_BUFFER1_COUNT));
 }
 
-
 /*
  * Finds a free channel, and binds the requested device to it.
  * Returns the allocated channel number, or negative on error.
@@ -169,14 +168,14 @@ int request_au1000_dma(int dev_id, const char *dev_str,
         if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2))
                 return -EINVAL;
 #else
-        if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
+        if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
                 return -EINVAL;
 #endif
 
-        for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
+        for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
                 if (au1000_dma_table[i].dev_id < 0)
                         break;
-        }
+
         if (i == NUM_AU1000_DMA_CHANNELS)
                 return -ENODEV;
 
@@ -185,15 +184,15 @@ int request_au1000_dma(int dev_id, const char *dev_str,
         if (dev_id >= DMA_NUM_DEV) {
                 dev_id -= DMA_NUM_DEV;
                 dev = &dma_dev_table_bank2[dev_id];
-        } else {
+        } else
                 dev = &dma_dev_table[dev_id];
-        }
 
         if (irqhandler) {
                 chan->irq = AU1000_DMA_INT_BASE + i;
                 chan->irq_dev = irq_dev_id;
-                if ((ret = request_irq(chan->irq, irqhandler, irqflags,
-                                       dev_str, chan->irq_dev))) {
+                ret = request_irq(chan->irq, irqhandler, irqflags, dev_str,
+                                  chan->irq_dev);
+                if (ret) {
                         chan->irq = 0;
                         chan->irq_dev = NULL;
                         return ret;
@@ -203,7 +202,7 @@ int request_au1000_dma(int dev_id, const char *dev_str,
                 chan->irq_dev = NULL;
         }
 
-        // fill it in
+        /* fill it in */
         chan->io = DMA_CHANNEL_BASE + i * DMA_CHANNEL_LEN;
         chan->dev_id = dev_id;
         chan->dev_str = dev_str;
@@ -220,8 +219,9 @@ EXPORT_SYMBOL(request_au1000_dma);
 void free_au1000_dma(unsigned int dmanr)
 {
         struct dma_chan *chan = get_dma_chan(dmanr);
+
         if (!chan) {
-                printk("Trying to free DMA%d\n", dmanr);
+                printk(KERN_ERR "Error trying to free DMA%d\n", dmanr);
                 return;
         }
 
@@ -235,4 +235,4 @@ void free_au1000_dma(unsigned int dmanr)
 }
 EXPORT_SYMBOL(free_au1000_dma);
 
-#endif // AU1000 AU1500 AU1100
+#endif /* AU1000 AU1500 AU1100 */
diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c
index 525452589971..b485d94ce8a5 100644
--- a/arch/mips/au1000/common/gpio.c
+++ b/arch/mips/au1000/common/gpio.c
@@ -69,7 +69,7 @@ static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
 
 static int au1xxx_gpio1_read(unsigned gpio)
 {
-        return ((gpio1->pinstaterd >> gpio) & 0x01);
+        return (gpio1->pinstaterd >> gpio) & 0x01;
 }
 
 static void au1xxx_gpio1_write(unsigned gpio, int value)
@@ -104,7 +104,6 @@ int au1xxx_gpio_get_value(unsigned gpio)
         else
                 return au1xxx_gpio1_read(gpio);
 }
-
 EXPORT_SYMBOL(au1xxx_gpio_get_value);
 
 void au1xxx_gpio_set_value(unsigned gpio, int value)
@@ -118,7 +117,6 @@ void au1xxx_gpio_set_value(unsigned gpio, int value)
         else
                 au1xxx_gpio1_write(gpio, value);
 }
-
 EXPORT_SYMBOL(au1xxx_gpio_set_value);
 
 int au1xxx_gpio_direction_input(unsigned gpio)
@@ -132,7 +130,6 @@ int au1xxx_gpio_direction_input(unsigned gpio)
 
         return au1xxx_gpio1_direction_input(gpio);
 }
-
 EXPORT_SYMBOL(au1xxx_gpio_direction_input);
 
 int au1xxx_gpio_direction_output(unsigned gpio, int value)
@@ -146,5 +143,4 @@ int au1xxx_gpio_direction_output(unsigned gpio, int value)
 
         return au1xxx_gpio1_direction_output(gpio, value);
 }
-
 EXPORT_SYMBOL(au1xxx_gpio_direction_output);
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index f0626992fd75..40c6ceceb5f9 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -210,10 +210,8 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr)
         au_sync();
 }
 
-
 static inline void mask_and_ack_level_irq(unsigned int irq_nr)
 {
-
         local_disable_irq(irq_nr);
         au_sync();
 #if defined(CONFIG_MIPS_PB1000)
@@ -263,14 +261,14 @@ void restore_local_and_enable(int controller, unsigned long mask)
         unsigned long flags, new_mask;
 
         spin_lock_irqsave(&irq_lock, flags);
-        for (i = 0; i < 32; i++) {
+        for (i = 0; i < 32; i++)
                 if (mask & (1 << i)) {
                         if (controller)
                                 local_enable_irq(i + 32);
                         else
                                 local_enable_irq(i);
                 }
-        }
+
         if (controller)
                 new_mask = au_readl(IC1_MASKSET);
         else
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c
index 7e966b31e3e1..7866cf50cf99 100644
--- a/arch/mips/au1000/common/pci.c
+++ b/arch/mips/au1000/common/pci.c
@@ -2,9 +2,8 @@
  * BRIEF MODULE DESCRIPTION
  *      Alchemy/AMD Au1x00 PCI support.
  *
- * Copyright 2001-2003, 2007 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
  *
@@ -86,9 +85,9 @@ static int __init au1x_pci_setup(void)
                 u32 prid = read_c0_prid();
 
                 if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
-                       au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
-                                 Au1500_PCI_CFG);
-                       printk("Non-coherent PCI accesses enabled\n");
+                        au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
+                                  Au1500_PCI_CFG);
+                        printk(KERN_INFO "Non-coherent PCI accesses enabled\n");
                 }
         }
 #endif
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 31d2a2270878..8cae7753ef79 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -269,8 +269,8 @@ static struct platform_device au1x00_pcmcia_device = {
 #ifdef SMBUS_PSC_BASE
 static struct resource pbdb_smbus_resources[] = {
         {
-                .start  = SMBUS_PSC_BASE,
-                .end    = SMBUS_PSC_BASE + 0x24 - 1,
+                .start  = CPHYSADDR(SMBUS_PSC_BASE),
+                .end    = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
                 .flags  = IORESOURCE_MEM,
         },
 };
@@ -302,16 +302,17 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
 #endif
 };
 
-int __init au1xxx_platform_init(void)
+static int __init au1xxx_platform_init(void)
 {
         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
         int i;
 
         /* Fill up uartclk. */
-        for (i = 0; au1x00_uart_data[i].flags ; i++)
+        for (i = 0; au1x00_uart_data[i].flags; i++)
                 au1x00_uart_data[i].uartclk = uartclk;
 
-        return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
+        return platform_add_devices(au1xxx_platform_devices,
+                                    ARRAY_SIZE(au1xxx_platform_devices));
 }
 
 arch_initcall(au1xxx_platform_init);
diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c
index a8cd2c1b9e1b..2166b9e1e80c 100644
--- a/arch/mips/au1000/common/power.c
+++ b/arch/mips/au1000/common/power.c
@@ -1,10 +1,9 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Au1000 Power Management routines.
+ *      Au1xx0 Power Management routines.
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  Some of the routines are right out of init/main.c, whose
  *  copyrights apply here.
@@ -43,10 +42,10 @@
 #ifdef CONFIG_PM
 
 #define DEBUG 1
-#ifdef DEBUG
-#  define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args)
+#ifdef  DEBUG
+#define DPRINTK(fmt, args...)   printk(KERN_DEBUG "%s: " fmt, __func__, ## args)
 #else
-#  define DPRINTK(fmt, args...)
+#define DPRINTK(fmt, args...)
 #endif
 
 static void au1000_calibrate_delay(void);
@@ -57,7 +56,8 @@ extern void local_enable_irq(unsigned int irq_nr);
 
 static DEFINE_SPINLOCK(pm_lock);
 
-/* We need to save/restore a bunch of core registers that are
+/*
+ * We need to save/restore a bunch of core registers that are
  * either volatile or reset to some state across a processor sleep.
  * If reading a register doesn't provide a proper result for a
  * later restore, we have to provide a function for loading that
@@ -78,24 +78,25 @@ static unsigned int	sleep_usbhost_enable;
 static unsigned int     sleep_usbdev_enable;
 static unsigned int     sleep_static_memctlr[4][3];
 
-/* Define this to cause the value you write to /proc/sys/pm/sleep to
+/*
+ * Define this to cause the value you write to /proc/sys/pm/sleep to
  * set the TOY timer for the amount of time you want to sleep.
  * This is done mainly for testing, but may be useful in other cases.
  * The value is number of 32KHz ticks to sleep.
  */
 #define SLEEP_TEST_TIMEOUT 1
-#ifdef SLEEP_TEST_TIMEOUT
-static  int     sleep_ticks;
+#ifdef  SLEEP_TEST_TIMEOUT
+static int sleep_ticks;
 void wakeup_counter0_set(int ticks);
 #endif
 
-static void
-save_core_regs(void)
+static void save_core_regs(void)
 {
         extern void save_au1xxx_intctl(void);
         extern void pm_eth0_shutdown(void);
 
-        /* Do the serial ports.....these really should be a pm_*
+        /*
+         * Do the serial ports.....these really should be a pm_*
          * registered function by the driver......but of course the
          * standard serial driver doesn't understand our Au1xxx
          * unique registers.
@@ -106,27 +107,24 @@ save_core_regs(void)
         sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
         sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
 
-        /* Shutdown USB host/device.
-        */
+        /* Shutdown USB host/device. */
         sleep_usbhost_enable = au_readl(USB_HOST_CONFIG);
 
-        /* There appears to be some undocumented reset register....
-        */
+        /* There appears to be some undocumented reset register.... */
         au_writel(0, 0xb0100004); au_sync();
         au_writel(0, USB_HOST_CONFIG); au_sync();
 
         sleep_usbdev_enable = au_readl(USBD_ENABLE);
         au_writel(0, USBD_ENABLE); au_sync();
 
-        /* Save interrupt controller state.
-        */
+        /* Save interrupt controller state. */
         save_au1xxx_intctl();
 
-        /* Clocks and PLLs.
-        */
+        /* Clocks and PLLs. */
         sleep_aux_pll_cntrl = au_readl(SYS_AUXPLL);
 
-        /* We don't really need to do this one, but unless we
+        /*
+         * We don't really need to do this one, but unless we
          * write it again it won't have a valid value if we
          * happen to read it.
          */
@@ -134,8 +132,7 @@ save_core_regs(void)
 
         sleep_pin_function = au_readl(SYS_PINFUNC);
 
-        /* Save the static memory controller configuration.
-        */
+        /* Save the static memory controller configuration. */
         sleep_static_memctlr[0][0] = au_readl(MEM_STCFG0);
         sleep_static_memctlr[0][1] = au_readl(MEM_STTIME0);
         sleep_static_memctlr[0][2] = au_readl(MEM_STADDR0);
@@ -150,8 +147,7 @@ save_core_regs(void)
         sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3);
 }
 
-static void
-restore_core_regs(void)
+static void restore_core_regs(void)
 {
         extern void restore_au1xxx_intctl(void);
         extern void wakeup_counter0_adjust(void);
@@ -160,8 +156,7 @@ restore_core_regs(void)
         au_writel(sleep_cpu_pll_cntrl, SYS_CPUPLL); au_sync();
         au_writel(sleep_pin_function, SYS_PINFUNC); au_sync();
 
-        /* Restore the static memory controller configuration.
-        */
+        /* Restore the static memory controller configuration. */
         au_writel(sleep_static_memctlr[0][0], MEM_STCFG0);
         au_writel(sleep_static_memctlr[0][1], MEM_STTIME0);
         au_writel(sleep_static_memctlr[0][2], MEM_STADDR0);
@@ -175,7 +170,8 @@ restore_core_regs(void)
         au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
         au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
 
-        /* Enable the UART if it was enabled before sleep.
+        /*
+         * Enable the UART if it was enabled before sleep.
          * I guess I should define module control bits........
          */
         if (sleep_uart0_enable & 0x02) {
@@ -202,7 +198,7 @@ void wakeup_from_suspend(void)
 int au_sleep(void)
 {
         unsigned long wakeup, flags;
-        extern  void    save_and_sleep(void);
+        extern void save_and_sleep(void);
 
         spin_lock_irqsave(&pm_lock, flags);
 
@@ -210,23 +206,22 @@ int au_sleep(void)
 
         flush_cache_all();
 
-        /** The code below is all system dependent and we should probably
+        /**
+         ** The code below is all system dependent and we should probably
          ** have a function call out of here to set this up.  You need
          ** to configure the GPIO or timer interrupts that will bring
          ** you out of sleep.
          ** For testing, the TOY counter wakeup is useful.
          **/
-
 #if 0
         au_writel(au_readl(SYS_PINSTATERD) & ~(1 << 11), SYS_PINSTATERD);
 
-        /* gpio 6 can cause a wake up event */
+        /* GPIO 6 can cause a wake up event */
         wakeup = au_readl(SYS_WAKEMSK);
         wakeup &= ~(1 << 8);    /* turn off match20 wakeup */
-        wakeup |= 1 << 6;       /* turn on gpio 6 wakeup   */
+        wakeup |= 1 << 6;       /* turn on  GPIO  6 wakeup */
 #else
-        /* For testing, allow match20 to wake us up.
-        */
+        /* For testing, allow match20 to wake us up. */
 #ifdef SLEEP_TEST_TIMEOUT
         wakeup_counter0_set(sleep_ticks);
 #endif
@@ -240,7 +235,8 @@ int au_sleep(void)
 
         save_and_sleep();
 
-        /* after a wakeup, the cpu vectors back to 0x1fc00000 so
+        /*
+         * After a wakeup, the cpu vectors back to 0x1fc00000, so
          * it's up to the boot code to get us back here.
          */
         restore_core_regs();
@@ -248,24 +244,22 @@ int au_sleep(void)
         return 0;
 }
 
-static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
-                       void __user *buffer, size_t * len, loff_t *ppos)
+static int pm_do_sleep(ctl_table *ctl, int write, struct file *file,
+                       void __user *buffer, size_t *len, loff_t *ppos)
 {
 #ifdef SLEEP_TEST_TIMEOUT
 #define TMPBUFLEN2 16
         char buf[TMPBUFLEN2], *p;
 #endif
 
-        if (!write) {
+        if (!write)
                 *len = 0;
-        } else {
+        else {
 #ifdef SLEEP_TEST_TIMEOUT
-                if (*len > TMPBUFLEN2 - 1) {
+                if (*len > TMPBUFLEN2 - 1)
                         return -EFAULT;
-                }
-                if (copy_from_user(buf, buffer, *len)) {
+                if (copy_from_user(buf, buffer, *len))
                         return -EFAULT;
-                }
                 buf[*len] = 0;
                 p = buf;
                 sleep_ticks = simple_strtoul(p, &p, 0);
@@ -276,8 +270,8 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
         return 0;
 }
 
-static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
-                      void __user *buffer, size_t * len, loff_t *ppos)
+static int pm_do_freq(ctl_table *ctl, int write, struct file *file,
+                      void __user *buffer, size_t *len, loff_t *ppos)
 {
         int retval = 0, i;
         unsigned long val, pll;
@@ -285,14 +279,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
 #define MAX_CPU_FREQ 396
         char buf[TMPBUFLEN], *p;
         unsigned long flags, intc0_mask, intc1_mask;
-        unsigned long old_baud_base, old_cpu_freq, baud_rate, old_clk,
-            old_refresh;
+        unsigned long old_baud_base, old_cpu_freq, old_clk, old_refresh;
         unsigned long new_baud_base, new_cpu_freq, new_clk, new_refresh;
+        unsigned long baud_rate;
 
         spin_lock_irqsave(&pm_lock, flags);
-        if (!write) {
+        if (!write)
                 *len = 0;
-        } else {
+        else {
                 /* Parse the new frequency */
                 if (*len > TMPBUFLEN - 1) {
                         spin_unlock_irqrestore(&pm_lock, flags);
@@ -312,7 +306,7 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
 
                 pll = val / 12;
                 if ((pll > 33) || (pll < 7)) {  /* 396 MHz max, 84 MHz min */
-                        /* revisit this for higher speed cpus */
+                        /* Revisit this for higher speed CPUs */
                         spin_unlock_irqrestore(&pm_lock, flags);
                         return -EFAULT;
                 }
@@ -321,30 +315,28 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
                 old_cpu_freq = get_au1x00_speed();
 
                 new_cpu_freq = pll * 12 * 1000000;
-                new_baud_base =  (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
+                new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)
+                                                            & 0x03) + 2) * 16));
                 set_au1x00_speed(new_cpu_freq);
                 set_au1x00_uart_baud_base(new_baud_base);
 
                 old_refresh = au_readl(MEM_SDREFCFG) & 0x1ffffff;
-                new_refresh =
-                    ((old_refresh * new_cpu_freq) /
-                     old_cpu_freq) | (au_readl(MEM_SDREFCFG) & ~0x1ffffff);
+                new_refresh = ((old_refresh * new_cpu_freq) / old_cpu_freq) |
+                              (au_readl(MEM_SDREFCFG) & ~0x1ffffff);
 
                 au_writel(pll, SYS_CPUPLL);
                 au_sync_delay(1);
                 au_writel(new_refresh, MEM_SDREFCFG);
                 au_sync_delay(1);
 
-                for (i = 0; i < 4; i++) {
-                        if (au_readl
-                            (UART_BASE + UART_MOD_CNTRL +
-                             i * 0x00100000) == 3) {
-                                old_clk =
-                                    au_readl(UART_BASE + UART_CLK +
-                                          i * 0x00100000);
-                                // baud_rate = baud_base/clk
+                for (i = 0; i < 4; i++)
+                        if (au_readl(UART_BASE + UART_MOD_CNTRL +
+                                     i * 0x00100000) == 3) {
+                                old_clk = au_readl(UART_BASE + UART_CLK +
+                                                   i * 0x00100000);
                                 baud_rate = old_baud_base / old_clk;
-                                /* we won't get an exact baud rate and the error
+                                /*
+                                 * We won't get an exact baud rate and the error
                                  * could be significant enough that our new
                                  * calculation will result in a clock that will
                                  * give us a baud rate that's too far off from
@@ -359,18 +351,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
                                 else if (baud_rate > 17000)
                                         baud_rate = 19200;
                                 else
-                                        (baud_rate = 9600);
-                                // new_clk = new_baud_base/baud_rate
+                                        baud_rate = 9600;
                                 new_clk = new_baud_base / baud_rate;
-                                au_writel(new_clk,
-                                       UART_BASE + UART_CLK +
-                                       i * 0x00100000);
+                                au_writel(new_clk, UART_BASE + UART_CLK +
+                                          i * 0x00100000);
                                 au_sync_delay(10);
                         }
-                }
         }
 
-
         /*
          * We don't want _any_ interrupts other than match20. Otherwise our
          * au1000_calibrate_delay() calculation will be off, potentially a lot.
@@ -428,14 +416,15 @@ static int __init pm_init(void)
 
 __initcall(pm_init);
 
-
 /*
  * This is right out of init/main.c
  */
 
-/* This is the number of bits of precision for the loops_per_jiffy.  Each
-   bit takes on average 1.5/HZ seconds.  This (like the original) is a little
-   better than 1% */
+/*
+ * This is the number of bits of precision for the loops_per_jiffy.
+ * Each bit takes on average 1.5/HZ seconds.  This (like the original)
+ * is a little better than 1%.
+ */
 #define LPS_PREC 8
 
 static void au1000_calibrate_delay(void)
@@ -443,14 +432,14 @@ static void au1000_calibrate_delay(void)
         unsigned long ticks, loopbit;
         int lps_precision = LPS_PREC;
 
-        loops_per_jiffy = (1 << 12);
+        loops_per_jiffy = 1 << 12;
 
         while (loops_per_jiffy <<= 1) {
-                /* wait for "start of" clock tick */
+                /* Wait for "start of" clock tick */
                 ticks = jiffies;
                 while (ticks == jiffies)
                         /* nothing */ ;
-                /* Go .. */
+                /* Go ... */
                 ticks = jiffies;
                 __delay(loops_per_jiffy);
                 ticks = jiffies - ticks;
@@ -458,8 +447,10 @@ static void au1000_calibrate_delay(void)
                         break;
         }
 
-/* Do a binary approximation to get loops_per_jiffy set to equal one clock
-   (up to lps_precision bits) */
+        /*
+         * Do a binary approximation to get loops_per_jiffy set to be equal
+         * one clock (up to lps_precision bits)
+         */
         loops_per_jiffy >>= 1;
         loopbit = loops_per_jiffy;
         while (lps_precision-- && (loopbit >>= 1)) {
@@ -472,4 +463,4 @@ static void au1000_calibrate_delay(void)
                         loops_per_jiffy &= ~loopbit;
         }
 }
-#endif                          /* CONFIG_PM */
+#endif  /* CONFIG_PM */
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c
index f10af829e4ec..18b310b475ca 100644
--- a/arch/mips/au1000/common/prom.c
+++ b/arch/mips/au1000/common/prom.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *    PROM library initialisation code, supports YAMON and U-Boot.
  *
- * Copyright 2000, 2001, 2006 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000-2001, 2006, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  * This file was derived from Carsten Langgaard's
  * arch/mips/mips-boards/xx files.
@@ -57,7 +56,7 @@ void prom_init_cmdline(void)
         actr = 1; /* Always ignore argv[0] */
 
         cp = &(arcs_cmdline[0]);
-        while(actr < prom_argc) {
+        while (actr < prom_argc) {
                 strcpy(cp, prom_argv[actr]);
                 cp += strlen(prom_argv[actr]);
                 *cp++ = ' ';
@@ -84,10 +83,8 @@ char *prom_getenv(char *envname)
                 if (yamon) {
                         if (strcmp(envname, *env++) == 0)
                                 return *env;
-                } else {
-                        if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
-                                return *env + i + 1;
-                }
+                } else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
+                        return *env + i + 1;
                 env++;
         }
 
@@ -110,13 +107,13 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
 {
         int i;
 
-        for(i = 0; i < 6; i++) {
+        for (i = 0; i < 6; i++) {
                 unsigned char num;
 
-                if((*str == '.') || (*str == ':'))
+                if ((*str == '.') || (*str == ':'))
                         str++;
-                num = str2hexnum(*str++) << 4;
-                num |= (str2hexnum(*str++));
+                num  = str2hexnum(*str++) << 4;
+                num |= str2hexnum(*str++);
                 ea[i] = num;
         }
 }
diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c
index e34c67e89293..55bbe24d45b6 100644
--- a/arch/mips/au1000/common/puts.c
+++ b/arch/mips/au1000/common/puts.c
@@ -1,11 +1,10 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *      Low level uart routines to directly access a 16550 uart.
+ *      Low level UART routines to directly access Alchemy UART.
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -40,12 +39,12 @@
 
 static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE;
 
-
 #ifdef SLOW_DOWN
 static inline void slow_down(void)
 {
-    int k;
-    for (k=0; k<10000; k++);
+        int k;
+
+        for (k = 0; k < 10000; k++);
 }
 #else
 #define slow_down()
@@ -54,16 +53,16 @@ static inline void slow_down(void)
 void
 prom_putchar(const unsigned char c)
 {
-    unsigned char ch;
-    int i = 0;
+        unsigned char ch;
+        int i = 0;
+
+        do {
+                ch = com1[SER_CMD];
+                slow_down();
+                i++;
+                if (i > TIMEOUT)
+                        break;
+        } while (0 == (ch & TX_BUSY));
 
-    do {
-        ch = com1[SER_CMD];
-        slow_down();
-        i++;
-        if (i>TIMEOUT) {
-            break;
-        }
-    } while (0 == (ch & TX_BUSY));
-    com1[SER_DATA] = c;
+        com1[SER_DATA] = c;
 }
diff --git a/arch/mips/au1000/common/reset.c b/arch/mips/au1000/common/reset.c
index 60cec537c745..d555429c8d6f 100644
--- a/arch/mips/au1000/common/reset.c
+++ b/arch/mips/au1000/common/reset.c
@@ -1,11 +1,10 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *      Au1000 reset routines.
+ *      Au1xx0 reset routines.
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2006, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -28,10 +27,11 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <asm/cacheflush.h>
+
 #include <asm/mach-au1x00/au1000.h>
 
 extern int au_sleep(void);
-extern void (*flush_cache_all)(void);
 
 void au1000_restart(char *command)
 {
@@ -40,8 +40,8 @@ void au1000_restart(char *command)
         u32 prid = read_c0_prid();
 
         printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n");
-        switch (prid & 0xFF000000)
-        {
+
+        switch (prid & 0xFF000000) {
         case 0x00000000: /* Au1000 */
                 au_writel(0x02, 0xb0000010); /* ac97_enable */
                 au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */
@@ -138,9 +138,6 @@ void au1000_restart(char *command)
                 au_writel(0x00, 0xb1900064); /* sys_auxpll */
                 au_writel(0x00, 0xb1900100); /* sys_pininputen */
                 break;
-
-        default:
-                break;
         }
 
         set_c0_status(ST0_BEV | ST0_ERL);
@@ -158,25 +155,25 @@ void au1000_restart(char *command)
 void au1000_halt(void)
 {
 #if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550)
-        /* power off system */
-        printk("\n** Powering off...\n");
-        au_writew(au_readw(0xAF00001C) | (3<<14), 0xAF00001C);
+        /* Power off system */
+        printk(KERN_NOTICE "\n** Powering off...\n");
+        au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C);
         au_sync();
-        while(1); /* should not get here */
+        while (1); /* should not get here */
 #else
         printk(KERN_NOTICE "\n** You can safely turn off the power\n");
 #ifdef CONFIG_MIPS_MIRAGE
         au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
 #endif
 #ifdef CONFIG_MIPS_DB1200
-        au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C);
+        au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C);
 #endif
 #ifdef CONFIG_PM
         au_sleep();
 
-        /* should not get here */
-        printk(KERN_ERR "Unable to put cpu in sleep mode\n");
-        while(1);
+        /* Should not get here */
+        printk(KERN_ERR "Unable to put CPU in sleep mode\n");
+        while (1);
 #else
         while (1)
                 __asm__(".set\tmips3\n\t"
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 0e86f7a6b4a7..1ac6b06f42a3 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2007-2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com
  *
  * Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc.
  *
@@ -48,7 +47,7 @@ void __init plat_mem_setup(void)
 {
         struct  cpu_spec *sp;
         char *argptr;
-        unsigned long prid, cpufreq, bclk = 1;
+        unsigned long prid, cpufreq, bclk;
 
         set_cpuspec();
         sp = cur_cpu_spec[0];
@@ -66,42 +65,39 @@ void __init plat_mem_setup(void)
                 cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12;
         printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq);
 
-        bclk = sp->cpu_bclk;
-        if (bclk)
-        {
+        if (sp->cpu_bclk) {
                 /* Enable BCLK switching */
-                bclk = au_readl(0xB190003C);
-                au_writel(bclk | 0x60, 0xB190003C);
-                printk("BCLK switching enabled!\n");
+                bclk = au_readl(SYS_POWERCTRL);
+                au_writel(bclk | 0x60, SYS_POWERCTRL);
+                printk(KERN_INFO "BCLK switching enabled!\n");
         }
 
-        if (sp->cpu_od) {
-                /* Various early Au1000 Errata corrected by this */
-                set_c0_config(1<<19); /* Set Config[OD] */
-        }
-        else {
+        if (sp->cpu_od)
+                /* Various early Au1xx0 errata corrected by this */
+                set_c0_config(1 << 19); /* Set Config[OD] */
+        else
                 /* Clear to obtain best system bus performance */
-                clear_c0_config(1<<19); /* Clear Config[OD] */
-        }
+                clear_c0_config(1 << 19); /* Clear Config[OD] */
 
         argptr = prom_getcmdline();
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
-        if ((argptr = strstr(argptr, "console=")) == NULL) {
+        argptr = strstr(argptr, "console=");
+        if (argptr == NULL) {
                 argptr = prom_getcmdline();
                 strcat(argptr, " console=ttyS0,115200");
         }
 #endif
 
 #ifdef CONFIG_FB_AU1100
-    if ((argptr = strstr(argptr, "video=")) == NULL) {
-        argptr = prom_getcmdline();
-        /* default panel */
-        /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
-    }
+        argptr = strstr(argptr, "video=");
+        if (argptr == NULL) {
+                argptr = prom_getcmdline();
+                /* default panel */
+                /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
+        }
 #endif
 
-
 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
         /* au1000 does not support vra, au1500 and au1100 do */
         strcat(argptr, " au1000_audio=vra");
@@ -129,7 +125,7 @@ void __init plat_mem_setup(void)
 /* This routine should be valid for all Au1x based boards */
 phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 {
-        /* Don't fixup 36 bit addresses */
+        /* Don't fixup 36-bit addresses */
         if ((phys_addr >> 32) != 0)
                 return phys_addr;
 
@@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
         }
 #endif
 
-        /* All Au1x SOCs have a pcmcia controller */
-        /* We setup our 32 bit pseudo addresses to be equal to the
-         * 36 bit addr >> 4, to make it easier to check the address
+        /*
+         * All Au1xx0 SOCs have a PCMCIA controller.
+         * We setup our 32-bit pseudo addresses to be equal to the
+         * 36-bit addr >> 4, to make it easier to check the address
          * and fix it.
-         * The Au1x socket 0 phys attribute address is 0xF 4000 0000.
+         * The PCMCIA socket 0 physical attribute address is 0xF 4000 0000.
          * The pseudo address we use is 0xF400 0000. Any address over
-         * 0xF400 0000 is a pcmcia pseudo address.
+         * 0xF400 0000 is a PCMCIA pseudo address.
          */
-        if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) {
+        if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF))
                 return (phys_t)(phys_addr << 4);
-        }
 
         /* default nop */
         return phys_addr;
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index bdb6d73b26fb..563d9390a872 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -25,11 +25,9 @@
  *
  * Setting up the clock on the MIPS boards.
  *
- * Update.  Always configure the kernel with CONFIG_NEW_TIME_C.  This
- * will use the user interface gettimeofday() functions from the
- * arch/mips/kernel/time.c, and we provide the clock interrupt processing
- * and the timer offset compute functions.  If CONFIG_PM is selected,
- * we also ensure the 32KHz timer is available.   -- Dan
+ * We provide the clock interrupt processing and the timer offset compute
+ * functions.  If CONFIG_PM is selected, we also ensure the 32KHz timer is
+ * available.  -- Dan
  */
 
 #include <linux/types.h>
@@ -47,8 +45,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */
 #if HZ < 100 || HZ > 1000
 #error "unsupported HZ value! Must be in [100,1000]"
 #endif
-#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
-extern void startup_match20_interrupt(irq_handler_t handler);
+#define MATCH20_INC (328 * 100 / HZ) /* magic number 328 is for HZ=100... */
 static unsigned long last_pc0, last_match20;
 #endif
 
@@ -61,7 +58,7 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
 {
         unsigned long pc0;
         int time_elapsed;
-        static int jiffie_drift = 0;
+        static int jiffie_drift;
 
         if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) {
                 /* should never happen! */
@@ -70,13 +67,11 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
         }
 
         pc0 = au_readl(SYS_TOYREAD);
-        if (pc0 < last_match20) {
+        if (pc0 < last_match20)
                 /* counter overflowed */
                 time_elapsed = (0xffffffff - last_match20) + pc0;
-        }
-        else {
+        else
                 time_elapsed = pc0 - last_match20;
-        }
 
         while (time_elapsed > 0) {
                 do_timer(1);
@@ -92,8 +87,9 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
         au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
         au_sync();
 
-        /* our counter ticks at 10.009765625 ms/tick, we we're running
-         * almost 10uS too slow per tick.
+        /*
+         * Our counter ticks at 10.009765625 ms/tick, we we're running
+         * almost 10 uS too slow per tick.
          */
 
         if (jiffie_drift >= 999) {
@@ -117,20 +113,17 @@ struct irqaction counter0_action = {
 /* When we wakeup from sleep, we have to "catch up" on all of the
  * timer ticks we have missed.
  */
-void
-wakeup_counter0_adjust(void)
+void wakeup_counter0_adjust(void)
 {
         unsigned long pc0;
         int time_elapsed;
 
         pc0 = au_readl(SYS_TOYREAD);
-        if (pc0 < last_match20) {
+        if (pc0 < last_match20)
                 /* counter overflowed */
                 time_elapsed = (0xffffffff - last_match20) + pc0;
-        }
-        else {
+        else
                 time_elapsed = pc0 - last_match20;
-        }
 
         while (time_elapsed > 0) {
                 time_elapsed -= MATCH20_INC;
@@ -143,10 +136,8 @@ wakeup_counter0_adjust(void)
 
 }
 
-/* This is just for debugging to set the timer for a sleep delay.
-*/
-void
-wakeup_counter0_set(int ticks)
+/* This is just for debugging to set the timer for a sleep delay. */
+void wakeup_counter0_set(int ticks)
 {
         unsigned long pc0;
 
@@ -157,21 +148,22 @@ wakeup_counter0_set(int ticks)
 }
 #endif
 
-/* I haven't found anyone that doesn't use a 12 MHz source clock,
+/*
+ * I haven't found anyone that doesn't use a 12 MHz source clock,
  * but just in case.....
  */
 #define AU1000_SRC_CLK  12000000
 
 /*
  * We read the real processor speed from the PLL.  This is important
- * because it is more accurate than computing it from the 32KHz
+ * because it is more accurate than computing it from the 32 KHz
  * counter, if it exists.  If we don't have an accurate processor
  * speed, all of the peripherals that derive their clocks based on
  * this advertised speed will introduce error and sometimes not work
  * properly.  This function is futher convoluted to still allow configurations
  * to do that in case they have really, really old silicon with a
- * write-only PLL register, that we need the 32KHz when power management
- * "wait" is enabled, and we need to detect if the 32KHz isn't present
+ * write-only PLL register, that we need the 32 KHz when power management
+ * "wait" is enabled, and we need to detect if the 32 KHz isn't present
  * but requested......got it? :-)               -- Dan
  */
 unsigned long calc_clock(void)
@@ -182,8 +174,7 @@ unsigned long calc_clock(void)
 
         spin_lock_irqsave(&time_lock, flags);
 
-        /* Power management cares if we don't have a 32KHz counter.
-        */
+        /* Power management cares if we don't have a 32 KHz counter. */
         no_au1xxx_32khz = 0;
         counter = au_readl(SYS_COUNTER_CNTRL);
         if (counter & SYS_CNTRL_E0) {
@@ -193,7 +184,7 @@ unsigned long calc_clock(void)
 
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
                 /* RTC now ticks at 32.768/16 kHz */
-                au_writel(trim_divide-1, SYS_RTCTRIM);
+                au_writel(trim_divide - 1, SYS_RTCTRIM);
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
 
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S);
@@ -215,9 +206,11 @@ unsigned long calc_clock(void)
 #endif
         else
                 cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK;
+        /* On Alchemy CPU:counter ratio is 1:1 */
         mips_hpt_frequency = cpu_speed;
-        // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16)
-        set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
+        /* Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) */
+        set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)
+                                                          & 0x03) + 2) * 16));
         spin_unlock_irqrestore(&time_lock, flags);
         return cpu_speed;
 }
@@ -228,10 +221,10 @@ void __init plat_time_init(void)
 
         est_freq += 5000;    /* round */
         est_freq -= est_freq%10000;
-        printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
-               (est_freq%1000000)*100/1000000);
-        set_au1x00_speed(est_freq);
-        set_au1x00_lcd_clock(); // program the LCD clock
+        printk(KERN_INFO "CPU frequency %u.%02u MHz\n",
+               est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000);
+        set_au1x00_speed(est_freq);
+        set_au1x00_lcd_clock(); /* program the LCD clock */
 
 #ifdef CONFIG_PM
         /*
@@ -243,30 +236,29 @@ void __init plat_time_init(void)
          * counter 0 interrupt as a special irq and it doesn't show
          * up under /proc/interrupts.
          *
-         * Check to ensure we really have a 32KHz oscillator before
+         * Check to ensure we really have a 32 KHz oscillator before
          * we do this.
          */
         if (no_au1xxx_32khz)
-                printk("WARNING: no 32KHz clock found.\n");
+                printk(KERN_WARNING "WARNING: no 32KHz clock found.\n");
         else {
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
                 au_writel(0, SYS_TOYWRITE);
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
 
-                au_writel(au_readl(SYS_WAKEMSK) | (1<<8), SYS_WAKEMSK);
+                au_writel(au_readl(SYS_WAKEMSK) | (1 << 8), SYS_WAKEMSK);
                 au_writel(~0, SYS_WAKESRC);
                 au_sync();
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
 
-                /* setup match20 to interrupt once every HZ */
+                /* Setup match20 to interrupt once every HZ */
                 last_pc0 = last_match20 = au_readl(SYS_TOYREAD);
                 au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
                 au_sync();
                 while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
                 setup_irq(AU1000_TOY_MATCH2_INT, &counter0_action);
 
-                /* We can use the real 'wait' instruction.
-                */
+                /* We can use the real 'wait' instruction. */
                 allow_au1k_wait = 1;
         }
 
diff --git a/arch/mips/au1000/db1x00/Makefile b/arch/mips/au1000/db1x00/Makefile
index 51d62bd5d900..274db3b55d82 100644
--- a/arch/mips/au1000/db1x00/Makefile
+++ b/arch/mips/au1000/db1x00/Makefile
@@ -1,8 +1,8 @@
 #
-#  Copyright 2000 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
+#
+# Makefile for the Alchemy Semiconductor DBAu1xx0 boards.
 #
-# Makefile for the Alchemy Semiconductor Db1x00 board.
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c
index b7dcbad5c586..9e5ccbbfcedd 100644
--- a/arch/mips/au1000/db1x00/board_setup.c
+++ b/arch/mips/au1000/db1x00/board_setup.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      Alchemy Db1x00 board setup.
  *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -37,49 +36,49 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
 
 void board_reset(void)
 {
-        /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+        /* Hit BCSR.SW_RESET[RESET] */
         bcsr->swreset = 0x0000;
 }
 
 void __init board_setup(void)
 {
-        u32 pin_func;
+        u32 pin_func = 0;
 
-        pin_func = 0;
-        /* not valid for 1550 */
-
-#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
-        /* set IRFIRSEL instead of GPIO15 */
-        pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
+        /* Not valid for Au1550 */
+#if defined(CONFIG_IRDA) && \
+   (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
+        /* Set IRFIRSEL instead of GPIO15 */
+        pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
         au_writel(pin_func, SYS_PINFUNC);
-        /* power off until the driver is in use */
+        /* Power off until the driver is in use */
         bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
-        bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
+        bcsr->resets |=  BCSR_RESETS_IRDA_MODE_OFF;
         au_sync();
 #endif
         bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
 
 #ifdef CONFIG_MIPS_MIRAGE
-        /* enable GPIO[31:0] inputs */
+        /* Enable GPIO[31:0] inputs */
         au_writel(0, SYS_PININPUTEN);
 
-        /* GPIO[20] is output, tristate the other input primary GPIO's */
-        au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR);
+        /* GPIO[20] is output, tristate the other input primary GPIOs */
+        au_writel(~(1 << 20), SYS_TRIOUTCLR);
 
-        /* set GPIO[210:208] instead of SSI_0 */
-        pin_func = au_readl(SYS_PINFUNC) | (u32)(1);
+        /* Set GPIO[210:208] instead of SSI_0 */
+        pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
 
-        /* set GPIO[215:211] for LED's */
-        pin_func |= (u32)((5<<2));
+        /* Set GPIO[215:211] for LEDs */
+        pin_func |= 5 << 2;
 
-        /* set GPIO[214:213] for more LED's */
-        pin_func |= (u32)((5<<12));
+        /* Set GPIO[214:213] for more LEDs */
+        pin_func |= 5 << 12;
 
-        /* set GPIO[207:200] instead of PCMCIA/LCD */
-        pin_func |= (u32)((3<<17));
+        /* Set GPIO[207:200] instead of PCMCIA/LCD */
+        pin_func |= SYS_PF_LCD | SYS_PF_PC;
         au_writel(pin_func, SYS_PINFUNC);
 
-        /* Enable speaker amplifier.  This should
+        /*
+         * Enable speaker amplifier.  This should
          * be part of the audio driver.
          */
         au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
@@ -89,21 +88,21 @@ void __init board_setup(void)
         au_sync();
 
 #ifdef CONFIG_MIPS_DB1000
-    printk("AMD Alchemy Au1000/Db1000 Board\n");
+        printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
 #endif
 #ifdef CONFIG_MIPS_DB1500
-    printk("AMD Alchemy Au1500/Db1500 Board\n");
+        printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
 #endif
 #ifdef CONFIG_MIPS_DB1100
-    printk("AMD Alchemy Au1100/Db1100 Board\n");
+        printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
 #endif
 #ifdef CONFIG_MIPS_BOSPORUS
-    printk("AMD Alchemy Bosporus Board\n");
+        printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
 #endif
 #ifdef CONFIG_MIPS_MIRAGE
-    printk("AMD Alchemy Mirage Board\n");
+        printk(KERN_INFO "AMD Alchemy Mirage Board\n");
 #endif
 #ifdef CONFIG_MIPS_DB1550
-    printk("AMD Alchemy Au1550/Db1550 Board\n");
+        printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
 #endif
 }
diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c
index d3b967caf70c..5ebe0de5e459 100644
--- a/arch/mips/au1000/db1x00/init.c
+++ b/arch/mips/au1000/db1x00/init.c
@@ -2,9 +2,8 @@
  * BRIEF MODULE DESCRIPTION
  *      PB1000 board setup
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -49,8 +48,8 @@ void __init prom_init(void)
         unsigned long memsize;
 
         prom_argc = fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
 
@@ -58,6 +57,6 @@ void __init prom_init(void)
         if (!memsize_str)
                 memsize = 0x04000000;
         else
-                memsize = simple_strtol(memsize_str, NULL, 0);
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/au1000/db1x00/irqmap.c
index eaa50c7b6341..94c090e8bf7a 100644
--- a/arch/mips/au1000/db1x00/irqmap.c
+++ b/arch/mips/au1000/db1x00/irqmap.c
@@ -32,32 +32,32 @@
 
 #ifdef CONFIG_MIPS_DB1500
 char irq_tab_alchemy[][5] __initdata = {
- [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - HPT371   */
- [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+        [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT371   */
+        [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */
 };
 #endif
 
 #ifdef CONFIG_MIPS_BOSPORUS
 char irq_tab_alchemy[][5] __initdata = {
- [11] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 11 - miniPCI  */
- [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - SN1741   */
- [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+        [11] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 11 - miniPCI  */
+        [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - SN1741   */
+        [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */
 };
 #endif
 
 #ifdef CONFIG_MIPS_MIRAGE
 char irq_tab_alchemy[][5] __initdata = {
- [11] = { -1, INTD, INTX, INTX, INTX},   /* IDSEL 11 - SMI VGX */
- [12] = { -1, INTX, INTX, INTC, INTX},   /* IDSEL 12 - PNX1300 */
- [13] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 13 - miniPCI */
+        [11] = { -1, INTD, INTX, INTX, INTX }, /* IDSEL 11 - SMI VGX */
+        [12] = { -1, INTX, INTX, INTC, INTX }, /* IDSEL 12 - PNX1300 */
+        [13] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 13 - miniPCI */
 };
 #endif
 
 #ifdef CONFIG_MIPS_DB1550
 char irq_tab_alchemy[][5] __initdata = {
- [11] = { -1, INTC, INTX, INTX, INTX},   /* IDSEL 11 - on-board HPT371    */
- [12] = { -1, INTB, INTC, INTD, INTA},   /* IDSEL 12 - PCI slot 2 (left)  */
- [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot 1 (right) */
+        [11] = { -1, INTC, INTX, INTX, INTX }, /* IDSEL 11 - on-board HPT371 */
+        [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */
+        [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
 };
 #endif
 
diff --git a/arch/mips/au1000/mtx-1/Makefile b/arch/mips/au1000/mtx-1/Makefile
index 85a90941de4f..7c67b3d33bec 100644
--- a/arch/mips/au1000/mtx-1/Makefile
+++ b/arch/mips/au1000/mtx-1/Makefile
@@ -1,7 +1,6 @@
 #
 #  Copyright 2003 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #       Bruno Randolf <bruno.randolf@4g-systems.biz>
 #
 # Makefile for 4G Systems MTX-1 board.
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c
index 5736354829c6..3f8079186cf2 100644
--- a/arch/mips/au1000/mtx-1/board_setup.c
+++ b/arch/mips/au1000/mtx-1/board_setup.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      4G Systems MTX-1 board setup.
  *
- * Copyright 2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *         Bruno Randolf <bruno.randolf@4g-systems.biz>
  *
  *  This program is free software; you can redistribute  it and/or modify it
@@ -34,7 +33,7 @@
 #include <asm/mach-au1x00/au1000.h>
 
 extern int (*board_pci_idsel)(unsigned int devsel, int assert);
-int    mtx1_pci_idsel(unsigned int devsel, int assert);
+int mtx1_pci_idsel(unsigned int devsel, int assert);
 
 void board_reset(void)
 {
@@ -45,36 +44,36 @@ void board_reset(void)
 void __init board_setup(void)
 {
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-        // enable USB power switch
-        au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR );
-        au_writel( 0x100000, GPIO2_OUTPUT );
+        /* Enable USB power switch */
+        au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
+        au_writel(0x100000, GPIO2_OUTPUT);
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
 #ifdef CONFIG_PCI
 #if defined(__MIPSEB__)
-        au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+        au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
 #else
         au_writel(0xf, Au1500_PCI_CFG);
 #endif
 #endif
 
-        // initialize sys_pinfunc:
-        au_writel( SYS_PF_NI2, SYS_PINFUNC );
+        /* Initialize sys_pinfunc */
+        au_writel(SYS_PF_NI2, SYS_PINFUNC);
 
-        // initialize GPIO
-        au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR );
-        au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF
-        au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF
-        au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
-        au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF
+        /* Initialize GPIO */
+        au_writel(0xFFFFFFFF, SYS_TRIOUTCLR);
+        au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */
+        au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */
+        au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+        au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */
 
-        // enable LED and set it to green
-        au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR );
-        au_writel( 0x18000800, GPIO2_OUTPUT );
+        /* Enable LED and set it to green */
+        au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR);
+        au_writel(0x18000800, GPIO2_OUTPUT);
 
         board_pci_idsel = mtx1_pci_idsel;
 
-        printk("4G Systems MTX-1 Board\n");
+        printk(KERN_INFO "4G Systems MTX-1 Board\n");
 }
 
 int
@@ -82,20 +81,18 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
 {
 #define MTX_IDSEL_ONLY_0_AND_3 0
 #if MTX_IDSEL_ONLY_0_AND_3
-       if (devsel != 0 && devsel != 3) {
-               printk("*** not 0 or 3\n");
-               return 0;
-       }
+        if (devsel != 0 && devsel != 3) {
+                printk(KERN_ERR "*** not 0 or 3\n");
+                return 0;
+        }
 #endif
 
-       if (assert && devsel != 0) {
-               // suppress signal to cardbus
-               au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF
-       }
-       else {
-               au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
-       }
-       au_sync_udelay(1);
-       return 1;
+        if (assert && devsel != 0)
+                /* Suppress signal to Cardbus */
+                au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */
+        else
+                au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+        au_sync_udelay(1);
+        return 1;
 }
 
diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c
index c015cbce1cca..33a4aebe0cba 100644
--- a/arch/mips/au1000/mtx-1/init.c
+++ b/arch/mips/au1000/mtx-1/init.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      4G Systems MTX-1 board setup
  *
- * Copyright 2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *         Bruno Randolf <bruno.randolf@4g-systems.biz>
  *
  *  This program is free software; you can redistribute  it and/or modify it
@@ -47,8 +46,8 @@ void __init prom_init(void)
         unsigned long memsize;
 
         prom_argc = fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
 
@@ -56,6 +55,6 @@ void __init prom_init(void)
         if (!memsize_str)
                 memsize = 0x04000000;
         else
-                memsize = simple_strtol(memsize_str, NULL, 0);
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c
index 78d70c42c9db..f2bf02951e9c 100644
--- a/arch/mips/au1000/mtx-1/irqmap.c
+++ b/arch/mips/au1000/mtx-1/irqmap.c
@@ -31,18 +31,18 @@
 #include <asm/mach-au1x00/au1000.h>
 
 char irq_tab_alchemy[][5] __initdata = {
- [0] = { -1, INTA, INTA, INTX, INTX},   /* IDSEL 00 - AdapterA-Slot0 (top)    */
- [1] = { -1, INTB, INTA, INTX, INTX},   /* IDSEL 01 - AdapterA-Slot1 (bottom) */
- [2] = { -1, INTC, INTD, INTX, INTX},   /* IDSEL 02 - AdapterB-Slot0 (top)    */
- [3] = { -1, INTD, INTC, INTX, INTX},   /* IDSEL 03 - AdapterB-Slot1 (bottom) */
- [4] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 04 - AdapterC-Slot0 (top)    */
- [5] = { -1, INTB, INTA, INTX, INTX},   /* IDSEL 05 - AdapterC-Slot1 (bottom) */
- [6] = { -1, INTC, INTD, INTX, INTX},   /* IDSEL 06 - AdapterD-Slot0 (top)    */
- [7] = { -1, INTD, INTC, INTX, INTX},   /* IDSEL 07 - AdapterD-Slot1 (bottom) */
+        [0] = { -1, INTA, INTA, INTX, INTX }, /* IDSEL 00 - AdapterA-Slot0 (top) */
+        [1] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
+        [2] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 02 - AdapterB-Slot0 (top) */
+        [3] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
+        [4] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 04 - AdapterC-Slot0 (top) */
+        [5] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
+        [6] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 06 - AdapterD-Slot0 (top) */
+        [7] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
 };
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
-       { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
+       { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
        { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
        { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
        { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },
diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c
index a7edbf0829ac..9807be37c32f 100644
--- a/arch/mips/au1000/mtx-1/platform.c
+++ b/arch/mips/au1000/mtx-1/platform.c
@@ -21,11 +21,10 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
+#include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 
-#include <asm/gpio.h>
-
 static struct gpio_keys_button mtx1_gpio_button[] = {
         {
                 .gpio = 207,
diff --git a/arch/mips/au1000/pb1000/Makefile b/arch/mips/au1000/pb1000/Makefile
index daa1a507e72f..99bbec0ca41b 100644
--- a/arch/mips/au1000/pb1000/Makefile
+++ b/arch/mips/au1000/pb1000/Makefile
@@ -1,8 +1,8 @@
 #
-#  Copyright 2000 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
+#
+# Makefile for the Alchemy Semiconductor Pb1000 board.
 #
-# Makefile for the Alchemy Semiconductor PB1000 board.
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/au1000/pb1000/board_setup.c
index 33f15acc1b17..25df167a95b3 100644
--- a/arch/mips/au1000/pb1000/board_setup.c
+++ b/arch/mips/au1000/pb1000/board_setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -40,128 +39,126 @@ void __init board_setup(void)
         u32 sys_freqctrl, sys_clksrc;
         u32 prid = read_c0_prid();
 
-        // set AUX clock to 12MHz * 8 = 96 MHz
+        /* Set AUX clock to 12 MHz * 8 = 96 MHz */
         au_writel(8, SYS_AUXPLL);
         au_writel(0, SYS_PINSTATERD);
         udelay(100);
 
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-        /* zero and disable FREQ2 */
+        /* Zero and disable FREQ2 */
         sys_freqctrl = au_readl(SYS_FREQCTRL0);
         sys_freqctrl &= ~0xFFF00000;
         au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
-        /* zero and disable USBH/USBD clocks */
+        /* Zero and disable USBH/USBD clocks */
         sys_clksrc = au_readl(SYS_CLKSRC);
-        sys_clksrc &= ~0x00007FE0;
+        sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+                        SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
         au_writel(sys_clksrc, SYS_CLKSRC);
 
         sys_freqctrl = au_readl(SYS_FREQCTRL0);
         sys_freqctrl &= ~0xFFF00000;
 
         sys_clksrc = au_readl(SYS_CLKSRC);
-        sys_clksrc &= ~0x00007FE0;
+        sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+                        SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
 
-        switch (prid & 0x000000FF)
-        {
+        switch (prid & 0x000000FF) {
         case 0x00: /* DA */
         case 0x01: /* HA */
         case 0x02: /* HB */
-        /* CPU core freq to 48MHz to slow it way down... */
-        au_writel(4, SYS_CPUPLL);
+                /* CPU core freq to 48 MHz to slow it way down... */
+                au_writel(4, SYS_CPUPLL);
 
-        /*
-         * Setup 48MHz FREQ2 from CPUPLL for USB Host
-         */
-        /* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */
-        sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20));
-        au_writel(sys_freqctrl, SYS_FREQCTRL0);
+                /*
+                 * Setup 48 MHz FREQ2 from CPUPLL for USB Host
+                 * FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz
+                 */
+                sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2;
+                au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
-        /* CPU core freq to 384MHz */
-        au_writel(0x20, SYS_CPUPLL);
+                /* CPU core freq to 384 MHz */
+                au_writel(0x20, SYS_CPUPLL);
 
-        printk("Au1000: 48MHz OHCI workaround enabled\n");
+                printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n");
                 break;
 
-        default:  /* HC and newer */
-        // FREQ2 = aux/2 = 48 MHz
-        sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
-        au_writel(sys_freqctrl, SYS_FREQCTRL0);
+        default: /* HC and newer */
+                /* FREQ2 = aux / 2 = 48 MHz */
+                sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
+                                 SYS_FC_FE2 | SYS_FC_FS2;
+                au_writel(sys_freqctrl, SYS_FREQCTRL0);
                 break;
         }
 
         /*
-         * Route 48MHz FREQ2 into USB Host and/or Device
+         * Route 48 MHz FREQ2 into USB Host and/or Device
          */
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-        sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
-#endif
+        sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
         au_writel(sys_clksrc, SYS_CLKSRC);
 
-        // configure pins GPIO[14:9] as GPIO
-        pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080);
+        /* Configure pins GPIO[14:9] as GPIO */
+        pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB);
 
-        // 2nd USB port is USB host
-        pin_func |= 0x8000;
+        /* 2nd USB port is USB host */
+        pin_func |= SYS_PF_USB;
 
         au_writel(pin_func, SYS_PINFUNC);
         au_writel(0x2800, SYS_TRIOUTCLR);
         au_writel(0x0030, SYS_OUTPUTCLR);
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
-        // make gpio 15 an input (for interrupt line)
-        pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x100);
-        // we don't need I2S, so make it available for GPIO[31:29]
-        pin_func |= (1<<5);
+        /* Make GPIO 15 an input (for interrupt line) */
+        pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF;
+        /* We don't need I2S, so make it available for GPIO[31:29] */
+        pin_func |= SYS_PF_I2S;
         au_writel(pin_func, SYS_PINFUNC);
 
         au_writel(0x8000, SYS_TRIOUTCLR);
 
-        static_cfg0 = au_readl(MEM_STCFG0) & (u32)(~0xc00);
+        static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
         au_writel(static_cfg0, MEM_STCFG0);
 
-        // configure RCE2* for LCD
+        /* configure RCE2* for LCD */
         au_writel(0x00000004, MEM_STCFG2);
 
-        // MEM_STTIME2
+        /* MEM_STTIME2 */
         au_writel(0x09000000, MEM_STTIME2);
 
-        // Set 32-bit base address decoding for RCE2*
+        /* Set 32-bit base address decoding for RCE2* */
         au_writel(0x10003ff0, MEM_STADDR2);
 
-        // PCI CPLD setup
-        // expand CE0 to cover PCI
+        /*
+         * PCI CPLD setup
+         * Expand CE0 to cover PCI
+         */
         au_writel(0x11803e40, MEM_STADDR1);
 
-        // burst visibility on
+        /* Burst visibility on */
         au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0);
 
-        au_writel(0x83, MEM_STCFG1);         // ewait enabled, flash timing
-        au_writel(0x33030a10, MEM_STTIME1);   // slower timing for FPGA
+        au_writel(0x83, MEM_STCFG1);         /* ewait enabled, flash timing */
+        au_writel(0x33030a10, MEM_STTIME1);  /* slower timing for FPGA */
 
-        /* setup the static bus controller */
+        /* Setup the static bus controller */
         au_writel(0x00000002, MEM_STCFG3);  /* type = PCMCIA */
         au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
         au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
 
-#ifdef CONFIG_PCI
-        au_writel(0, PCI_BRIDGE_CONFIG); // set extend byte to 0
-        au_writel(0, SDRAM_MBAR);        // set mbar to 0
-        au_writel(0x2, SDRAM_CMD);       // enable memory accesses
-        au_sync_delay(1);
-#endif
-
-        /* Enable Au1000 BCLK switching - note: sed1356 must not use
-         * its BCLK (Au1000 LCLK) for any timings */
-        switch (prid & 0x000000FF)
-        {
+        /*
+         * Enable Au1000 BCLK switching - note: sed1356 must not use
+         * its BCLK (Au1000 LCLK) for any timings
+         */
+        switch (prid & 0x000000FF) {
         case 0x00: /* DA */
         case 0x01: /* HA */
         case 0x02: /* HB */
                 break;
         default:  /* HC and newer */
-                /* Enable sys bus clock divider when IDLE state or no bus
-                   activity. */
+                /*
+                 * Enable sys bus clock divider when IDLE state or no bus
+                 * activity.
+                 */
                 au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
                 break;
         }
diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c
index 549447df71d6..3837365d613d 100644
--- a/arch/mips/au1000/pb1000/init.c
+++ b/arch/mips/au1000/pb1000/init.c
@@ -1,10 +1,9 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      PB1000 board setup
+ *      Pb1000 board setup
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -44,16 +43,15 @@ void __init prom_init(void)
         unsigned char *memsize_str;
         unsigned long memsize;
 
-        prom_argc = (int) fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argc = (int)fw_arg0;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
         memsize_str = prom_getenv("memsize");
-        if (!memsize_str) {
+        if (!memsize_str)
                 memsize = 0x04000000;
-        } else {
-                memsize = simple_strtol(memsize_str, NULL, 0);
-        }
+        else
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/pb1100/Makefile b/arch/mips/au1000/pb1100/Makefile
index 996236df6375..793e97c49e46 100644
--- a/arch/mips/au1000/pb1100/Makefile
+++ b/arch/mips/au1000/pb1100/Makefile
@@ -1,8 +1,8 @@
 #
-#  Copyright 2000,2001 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2001, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #
 # Makefile for the Alchemy Semiconductor Pb1100 board.
+#
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c
index 656164c8e9ca..c0bfd59a7a36 100644
--- a/arch/mips/au1000/pb1100/board_setup.c
+++ b/arch/mips/au1000/pb1100/board_setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2002 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2002, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -32,15 +31,15 @@
 
 void board_reset(void)
 {
-    /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
-    au_writel(0x00000000, 0xAE00001C);
+        /* Hit BCSR.RST_VDDI[SOFT_RESET] */
+        au_writel(0x00000000, PB1100_RST_VDDI);
 }
 
 void __init board_setup(void)
 {
-        volatile void __iomem * base = (volatile void __iomem *) 0xac000000UL;
+        volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
 
-        // set AUX clock to 12MHz * 8 = 96 MHz
+        /* Set AUX clock to 12 MHz * 8 = 96 MHz */
         au_writel(8, SYS_AUXPLL);
         au_writel(0, SYS_PININPUTEN);
         udelay(100);
@@ -49,44 +48,47 @@ void __init board_setup(void)
         {
                 u32 pin_func, sys_freqctrl, sys_clksrc;
 
-                // configure pins GPIO[14:9] as GPIO
-                pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80);
+                /* Configure pins GPIO[14:9] as GPIO */
+                pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
 
-                /* zero and disable FREQ2 */
+                /* Zero and disable FREQ2 */
                 sys_freqctrl = au_readl(SYS_FREQCTRL0);
                 sys_freqctrl &= ~0xFFF00000;
                 au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
-                /* zero and disable USBH/USBD/IrDA clock */
+                /* Zero and disable USBH/USBD/IrDA clock */
                 sys_clksrc = au_readl(SYS_CLKSRC);
-                sys_clksrc &= ~0x0000001F;
+                sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
                 au_writel(sys_clksrc, SYS_CLKSRC);
 
                 sys_freqctrl = au_readl(SYS_FREQCTRL0);
                 sys_freqctrl &= ~0xFFF00000;
 
                 sys_clksrc = au_readl(SYS_CLKSRC);
-                sys_clksrc &= ~0x0000001F;
+                sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
 
-                // FREQ2 = aux/2 = 48 MHz
-                sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
+                /* FREQ2 = aux / 2 = 48 MHz */
+                sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
+                                SYS_FC_FE2 | SYS_FC_FS2;
                 au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
                 /*
-                 * Route 48MHz FREQ2 into USBH/USBD/IrDA
+                 * Route 48 MHz FREQ2 into USBH/USBD/IrDA
                  */
-                sys_clksrc |= ((4<<2) | (0<<1) | 0 );
+                sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT;
                 au_writel(sys_clksrc, SYS_CLKSRC);
 
-                /* setup the static bus controller */
+                /* Setup the static bus controller */
                 au_writel(0x00000002, MEM_STCFG3);  /* type = PCMCIA */
                 au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
                 au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
 
-                // get USB Functionality pin state (device vs host drive pins)
-                pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
-                // 2nd USB port is USB host
-                pin_func |= 0x8000;
+                /*
+                 * Get USB Functionality pin state (device vs host drive pins).
+                 */
+                pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
+                /* 2nd USB port is USB host. */
+                pin_func |= SYS_PF_USB;
                 au_writel(pin_func, SYS_PINFUNC);
         }
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
@@ -94,12 +96,12 @@ void __init board_setup(void)
         /* Enable sys bus clock divider when IDLE state or no bus activity. */
         au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
 
-        // Enable the RTC if not already enabled
+        /* Enable the RTC if not already enabled. */
         if (!(readb(base + 0x28) & 0x20)) {
                 writeb(readb(base + 0x28) | 0x20, base + 0x28);
                 au_sync();
         }
-        // Put the clock in BCD mode
+        /* Put the clock in BCD mode. */
         if (readb(base + 0x2C) & 0x4) { /* reg B */
                 writeb(readb(base + 0x2c) & ~0x4, base + 0x2c);
                 au_sync();
diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c
index c91344648ed3..8355483f3de2 100644
--- a/arch/mips/au1000/pb1100/init.c
+++ b/arch/mips/au1000/pb1100/init.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      Pb1100 board setup
  *
- * Copyright 2002 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2002, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -46,8 +45,8 @@ void __init prom_init(void)
         unsigned long memsize;
 
         prom_argc = fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg3;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg3;
 
         prom_init_cmdline();
 
@@ -55,7 +54,7 @@ void __init prom_init(void)
         if (!memsize_str)
                 memsize = 0x04000000;
         else
-                memsize = simple_strtol(memsize_str, NULL, 0);
+                memsize = strict_strtol(memsize_str, 0, NULL);
 
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/au1000/pb1100/irqmap.c
index b5021e3d477f..9b7dd8b41283 100644
--- a/arch/mips/au1000/pb1100/irqmap.c
+++ b/arch/mips/au1000/pb1100/irqmap.c
@@ -1,6 +1,6 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Au1xxx irq map table
+ *      Au1xx0 IRQ map table
  *
  * Copyright 2003 Embedded Edge, LLC
  *              dan@embeddededge.com
@@ -31,10 +31,10 @@
 #include <asm/mach-au1x00/au1000.h>
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
-        { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted#
-        { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG#
-        { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ#
-        { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, // DC_IRQ#
+        { AU1000_GPIO_9,  INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */
+        { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */
+        { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */
+        { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */
 };
 
 int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map);
diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile
index 4fe02ea65a60..d678adf7ce85 100644
--- a/arch/mips/au1000/pb1200/Makefile
+++ b/arch/mips/au1000/pb1200/Makefile
@@ -1,5 +1,5 @@
 #
-# Makefile for the Alchemy Semiconductor PB1200 board.
+# Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards.
 #
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c
index 4493a792cc4c..6cb2115059ad 100644
--- a/arch/mips/au1000/pb1200/board_setup.c
+++ b/arch/mips/au1000/pb1200/board_setup.c
@@ -27,16 +27,8 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 
-#include <au1000.h>
 #include <prom.h>
-
-#ifdef CONFIG_MIPS_PB1200
-#include <asm/mach-pb1x00/pb1200.h>
-#endif
-
-#ifdef CONFIG_MIPS_DB1200
-#include <asm/mach-db1x00/db1200.h>
-#endif
+#include <au1xxx.h>
 
 extern void _board_init_irq(void);
 extern void (*board_init_irq)(void);
@@ -53,56 +45,57 @@ void __init board_setup(void)
 
 #if 0
         {
-        u32 pin_func;
-
-        /* Enable PSC1 SYNC for AC97.  Normaly done in audio driver,
-         * but it is board specific code, so put it here.
-         */
-        pin_func = au_readl(SYS_PINFUNC);
-        au_sync();
-        pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
-        au_writel(pin_func, SYS_PINFUNC);
-
-        au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
-        au_sync();
+                u32 pin_func;
+
+                /*
+                 * Enable PSC1 SYNC for AC97.  Normaly done in audio driver,
+                 * but it is board specific code, so put it here.
+                 */
+                pin_func = au_readl(SYS_PINFUNC);
+                au_sync();
+                pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
+                au_writel(pin_func, SYS_PINFUNC);
+
+                au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
+                au_sync();
         }
 #endif
 
 #if defined(CONFIG_I2C_AU1550)
         {
-        u32 freq0, clksrc;
-        u32 pin_func;
-
-        /* Select SMBUS in CPLD */
-        bcsr->resets &= ~(BCSR_RESETS_PCS0MUX);
-
-        pin_func = au_readl(SYS_PINFUNC);
-        au_sync();
-        pin_func &= ~(3<<17 | 1<<4);
-        /* Set GPIOs correctly */
-        pin_func |= 2<<17;
-        au_writel(pin_func, SYS_PINFUNC);
-        au_sync();
-
-        /* The i2c driver depends on 50Mhz clock */
-        freq0 = au_readl(SYS_FREQCTRL0);
-        au_sync();
-        freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
-        freq0 |= (3<<SYS_FC_FRDIV1_BIT);
-        /* 396Mhz / (3+1)*2 == 49.5Mhz */
-        au_writel(freq0, SYS_FREQCTRL0);
-        au_sync();
-        freq0 |= SYS_FC_FE1;
-        au_writel(freq0, SYS_FREQCTRL0);
-        au_sync();
-
-        clksrc = au_readl(SYS_CLKSRC);
-        au_sync();
-        clksrc &= ~0x01f00000;
-        /* bit 22 is EXTCLK0 for PSC0 */
-        clksrc |= (0x3 << 22);
-        au_writel(clksrc, SYS_CLKSRC);
-        au_sync();
+                u32 freq0, clksrc;
+                u32 pin_func;
+
+                /* Select SMBus in CPLD */
+                bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
+
+                pin_func = au_readl(SYS_PINFUNC);
+                au_sync();
+                pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B);
+                /* Set GPIOs correctly */
+                pin_func |= 2 << 17;
+                au_writel(pin_func, SYS_PINFUNC);
+                au_sync();
+
+                /* The I2C driver depends on 50 MHz clock */
+                freq0 = au_readl(SYS_FREQCTRL0);
+                au_sync();
+                freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
+                freq0 |= 3 << SYS_FC_FRDIV1_BIT;
+                /* 396 MHz / (3 + 1) * 2 == 49.5 MHz */
+                au_writel(freq0, SYS_FREQCTRL0);
+                au_sync();
+                freq0 |= SYS_FC_FE1;
+                au_writel(freq0, SYS_FREQCTRL0);
+                au_sync();
+
+                clksrc = au_readl(SYS_CLKSRC);
+                au_sync();
+                clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK);
+                /* Bit 22 is EXTCLK0 for PSC0 */
+                clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT;
+                au_writel(clksrc, SYS_CLKSRC);
+                au_sync();
         }
 #endif
 
@@ -116,27 +109,27 @@ void __init board_setup(void)
 #endif
 #endif
 
-        /* The Pb1200 development board uses external MUX for PSC0 to
-        support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
-        */
+        /*
+         * The Pb1200 development board uses external MUX for PSC0 to
+         * support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
+         */
 #ifdef CONFIG_I2C_AU1550
-        bcsr->resets &= (~BCSR_RESETS_PCS0MUX);
+        bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
 #endif
         au_sync();
 
 #ifdef CONFIG_MIPS_PB1200
-        printk("AMD Alchemy Pb1200 Board\n");
+        printk(KERN_INFO "AMD Alchemy Pb1200 Board\n");
 #endif
 #ifdef CONFIG_MIPS_DB1200
-        printk("AMD Alchemy Db1200 Board\n");
+        printk(KERN_INFO "AMD Alchemy Db1200 Board\n");
 #endif
 
         /* Setup Pb1200 External Interrupt Controller */
         board_init_irq = _board_init_irq;
 }
 
-int
-board_au1200fb_panel(void)
+int board_au1200fb_panel(void)
 {
         BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
         int p;
@@ -147,23 +140,23 @@ board_au1200fb_panel(void)
         return p;
 }
 
-int
-board_au1200fb_panel_init(void)
+int board_au1200fb_panel_init(void)
 {
         /* Apply power */
-    BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
-        bcsr->board |= (BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
-        /*printk("board_au1200fb_panel_init()\n"); */
+        BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+
+        bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL;
+        /* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */
         return 0;
 }
 
-int
-board_au1200fb_panel_shutdown(void)
+int board_au1200fb_panel_shutdown(void)
 {
         /* Remove power */
-    BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
-        bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
-        /*printk("board_au1200fb_panel_shutdown()\n"); */
+        BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+
+        bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD |
+                         BCSR_BOARD_LCDBL);
+        /* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */
         return 0;
 }
-
diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c
index 72af5500660b..09fd63b86062 100644
--- a/arch/mips/au1000/pb1200/init.c
+++ b/arch/mips/au1000/pb1200/init.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      PB1200 board setup
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -45,16 +44,15 @@ void __init prom_init(void)
         unsigned char *memsize_str;
         unsigned long memsize;
 
-        prom_argc = (int) fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argc = (int)fw_arg0;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
         memsize_str = prom_getenv("memsize");
-        if (!memsize_str) {
+        if (!memsize_str)
                 memsize = 0x08000000;
-        } else {
-                memsize = simple_strtol(memsize_str, NULL, 0);
-        }
+        else
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c
index e61eb8e0b76b..2a505ad8715b 100644
--- a/arch/mips/au1000/pb1200/irqmap.c
+++ b/arch/mips/au1000/pb1200/irqmap.c
@@ -39,25 +39,25 @@
 #endif
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
-        { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade
+        /* This is external interrupt cascade */
+        { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 },
 };
 
 int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map);
 
 /*
- *      Support for External interrupts on the PbAu1200 Development platform.
+ * Support for External interrupts on the Pb1200 Development platform.
  */
-static volatile int pb1200_cascade_en=0;
+static volatile int pb1200_cascade_en;
 
-irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
+irqreturn_t pb1200_cascade_handler(int irq, void *dev_id)
 {
         unsigned short bisr = bcsr->int_status;
         int extirq_nr = 0;
 
-        /* Clear all the edge interrupts. This has no effect on level */
+        /* Clear all the edge interrupts. This has no effect on level. */
         bcsr->int_status = bisr;
-        for( ; bisr; bisr &= (bisr-1) )
-        {
+        for ( ; bisr; bisr &= bisr - 1) {
                 extirq_nr = PB1200_INT_BEGIN + __ffs(bisr);
                 /* Ack and dispatch IRQ */
                 do_IRQ(extirq_nr);
@@ -68,26 +68,20 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
 
 inline void pb1200_enable_irq(unsigned int irq_nr)
 {
-        bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
-        bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN);
+        bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
+        bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN);
 }
 
 inline void pb1200_disable_irq(unsigned int irq_nr)
 {
-        bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
-        bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN);
+        bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
+        bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN);
 }
 
 static unsigned int pb1200_setup_cascade(void)
 {
-        int err;
-
-        err = request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
-                          0, "Pb1200 Cascade", &pb1200_cascade_handler);
-        if (err)
-                return err;
-
-        return 0;
+        return request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
+                           0, "Pb1200 Cascade", &pb1200_cascade_handler);
 }
 
 static unsigned int pb1200_startup_irq(unsigned int irq)
@@ -132,23 +126,23 @@ void _board_init_irq(void)
         unsigned int irq;
 
 #ifdef CONFIG_MIPS_PB1200
-        /* We have a problem with CPLD rev3. Enable a workaround */
+        /* We have a problem with CPLD rev 3. */
         if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) {
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
-                printk("updated to latest revision. This software will not\n");
-                printk("work on anything less than CPLD rev4\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
-                printk("\nWARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n");
+                printk(KERN_ERR "updated to latest revision. This software will\n");
+                printk(KERN_ERR "not work on anything less than CPLD rev 4.\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
+                printk(KERN_ERR "WARNING!!!\n");
                 panic("Game over.  Your score is 0.");
         }
 #endif
@@ -161,6 +155,6 @@ void _board_init_irq(void)
 
         /*
          * GPIO_7 can not be hooked here, so it is hooked upon first
-         * request of any source attached to the cascade
+         * request of any source attached to the cascade.
          */
 }
diff --git a/arch/mips/au1000/pb1500/Makefile b/arch/mips/au1000/pb1500/Makefile
index 97a730813cd3..602f38df20bb 100644
--- a/arch/mips/au1000/pb1500/Makefile
+++ b/arch/mips/au1000/pb1500/Makefile
@@ -1,8 +1,8 @@
 #
-#  Copyright 2000,2001 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2001, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #
 # Makefile for the Alchemy Semiconductor Pb1500 board.
+#
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/au1000/pb1500/board_setup.c
index 24c652e8ec4b..035771c6e5b8 100644
--- a/arch/mips/au1000/pb1500/board_setup.c
+++ b/arch/mips/au1000/pb1500/board_setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -32,8 +31,8 @@
 
 void board_reset(void)
 {
-    /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
-    au_writel(0x00000000, 0xAE00001C);
+        /* Hit BCSR.RST_VDDI[SOFT_RESET] */
+        au_writel(0x00000000, PB1500_RST_VDDI);
 }
 
 void __init board_setup(void)
@@ -42,7 +41,7 @@ void __init board_setup(void)
         u32 sys_freqctrl, sys_clksrc;
 
         sys_clksrc = sys_freqctrl = pin_func = 0;
-        // set AUX clock to 12MHz * 8 = 96 MHz
+        /* Set AUX clock to 12 MHz * 8 = 96 MHz */
         au_writel(8, SYS_AUXPLL);
         au_writel(0, SYS_PINSTATERD);
         udelay(100);
@@ -51,51 +50,48 @@ void __init board_setup(void)
 
         /* GPIO201 is input for PCMCIA card detect */
         /* GPIO203 is input for PCMCIA interrupt request */
-        au_writel(au_readl(GPIO2_DIR) & (u32)(~((1<<1)|(1<<3))), GPIO2_DIR);
+        au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR);
 
-        /* zero and disable FREQ2 */
+        /* Zero and disable FREQ2 */
         sys_freqctrl = au_readl(SYS_FREQCTRL0);
         sys_freqctrl &= ~0xFFF00000;
         au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
         /* zero and disable USBH/USBD clocks */
         sys_clksrc = au_readl(SYS_CLKSRC);
-        sys_clksrc &= ~0x00007FE0;
+        sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+                        SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
         au_writel(sys_clksrc, SYS_CLKSRC);
 
         sys_freqctrl = au_readl(SYS_FREQCTRL0);
         sys_freqctrl &= ~0xFFF00000;
 
         sys_clksrc = au_readl(SYS_CLKSRC);
-        sys_clksrc &= ~0x00007FE0;
+        sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+                        SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
 
-        // FREQ2 = aux/2 = 48 MHz
-        sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
+        /* FREQ2 = aux/2 = 48 MHz */
+        sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2;
         au_writel(sys_freqctrl, SYS_FREQCTRL0);
 
         /*
          * Route 48MHz FREQ2 into USB Host and/or Device
          */
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-        sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
-#endif
+        sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
         au_writel(sys_clksrc, SYS_CLKSRC);
 
-
-        pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
-        // 2nd USB port is USB host
-        pin_func |= 0x8000;
+        pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
+        /* 2nd USB port is USB host */
+        pin_func |= SYS_PF_USB;
         au_writel(pin_func, SYS_PINFUNC);
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
-
-
 #ifdef CONFIG_PCI
-        // Setup PCI bus controller
+        /* Setup PCI bus controller */
         au_writel(0, Au1500_PCI_CMEM);
         au_writel(0x00003fff, Au1500_CFG_BASE);
 #if defined(__MIPSEB__)
-        au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+        au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
 #else
         au_writel(0xf, Au1500_PCI_CFG);
 #endif
@@ -112,11 +108,11 @@ void __init board_setup(void)
 
         /* Enable the RTC if not already enabled */
         if (!(au_readl(0xac000028) & 0x20)) {
-                printk("enabling clock ...\n");
+                printk(KERN_INFO "enabling clock ...\n");
                 au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
         }
         /* Put the clock in BCD mode */
-        if (au_readl(0xac00002C) & 0x4) { /* reg B */
+        if (au_readl(0xac00002c) & 0x4) { /* reg B */
                 au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
                 au_sync();
         }
diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/au1000/pb1500/init.c
index 488507c07db9..49f51e165863 100644
--- a/arch/mips/au1000/pb1500/init.c
+++ b/arch/mips/au1000/pb1500/init.c
@@ -1,11 +1,10 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *      PB1500 board setup
+ *      Pb1500 board setup
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -45,16 +44,15 @@ void __init prom_init(void)
         unsigned char *memsize_str;
         unsigned long memsize;
 
-        prom_argc = (int) fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argc = (int)fw_arg0;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
         memsize_str = prom_getenv("memsize");
-        if (!memsize_str) {
+        if (!memsize_str)
                 memsize = 0x04000000;
-        } else {
-                memsize = simple_strtol(memsize_str, NULL, 0);
-        }
+        else
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/au1000/pb1500/irqmap.c
index 4817ab44d07f..39c4682766a8 100644
--- a/arch/mips/au1000/pb1500/irqmap.c
+++ b/arch/mips/au1000/pb1500/irqmap.c
@@ -31,12 +31,12 @@
 #include <asm/mach-au1x00/au1000.h>
 
 char irq_tab_alchemy[][5] __initdata = {
- [12] = { -1, INTA, INTX, INTX, INTX},   /* IDSEL 12 - HPT370   */
- [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot */
+        [12] = { -1, INTA, INTX, INTX, INTX },   /* IDSEL 12 - HPT370   */
+        [13] = { -1, INTA, INTB, INTC, INTD },   /* IDSEL 13 - PCI slot */
 };
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
-        { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
+        { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
         { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
         { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
         { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },
diff --git a/arch/mips/au1000/pb1550/Makefile b/arch/mips/au1000/pb1550/Makefile
index aa35bc6cb8cf..7d8beca87fa5 100644
--- a/arch/mips/au1000/pb1550/Makefile
+++ b/arch/mips/au1000/pb1550/Makefile
@@ -1,9 +1,8 @@
 #
-#  Copyright 2000 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Copyright 2000, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #
-# Makefile for the Alchemy Semiconductor PB1000 board.
+# Makefile for the Alchemy Semiconductor Pb1550 board.
 #
 
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1550/board_setup.c b/arch/mips/au1000/pb1550/board_setup.c
index 45d60872b565..0ed76b64b6ab 100644
--- a/arch/mips/au1000/pb1550/board_setup.c
+++ b/arch/mips/au1000/pb1550/board_setup.c
@@ -3,9 +3,8 @@
  * BRIEF MODULE DESCRIPTION
  *      Alchemy Pb1550 board setup.
  *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -35,15 +34,16 @@
 
 void board_reset(void)
 {
-    /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
-        au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C);
+        /* Hit BCSR.SYSTEM[RESET] */
+        au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C);
 }
 
 void __init board_setup(void)
 {
         u32 pin_func;
 
-        /* Enable PSC1 SYNC for AC97.  Normaly done in audio driver,
+        /*
+         * Enable PSC1 SYNC for AC'97.  Normaly done in audio driver,
          * but it is board specific code, so put it here.
          */
         pin_func = au_readl(SYS_PINFUNC);
@@ -51,8 +51,8 @@ void __init board_setup(void)
         pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
         au_writel(pin_func, SYS_PINFUNC);
 
-        au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
+        au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
         au_sync();
 
-        printk("AMD Alchemy Pb1550 Board\n");
+        printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");
 }
diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/au1000/pb1550/init.c
index f6b2fc587980..1b5f58434bb7 100644
--- a/arch/mips/au1000/pb1550/init.c
+++ b/arch/mips/au1000/pb1550/init.c
@@ -1,11 +1,10 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *      PB1550 board setup
+ *      Pb1550 board setup
  *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -45,16 +44,15 @@ void __init prom_init(void)
         unsigned char *memsize_str;
         unsigned long memsize;
 
-        prom_argc = (int) fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argc = (int)fw_arg0;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
         memsize_str = prom_getenv("memsize");
-        if (!memsize_str) {
+        if (!memsize_str)
                 memsize = 0x08000000;
-        } else {
-                memsize = simple_strtol(memsize_str, NULL, 0);
-        }
+        else
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/au1000/pb1550/irqmap.c
index e1dac37af08a..a02a4d1fa899 100644
--- a/arch/mips/au1000/pb1550/irqmap.c
+++ b/arch/mips/au1000/pb1550/irqmap.c
@@ -1,6 +1,6 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Au1xxx irq map table
+ *      Au1xx0 IRQ map table
  *
  * Copyright 2003 Embedded Edge, LLC
  *              dan@embeddededge.com
@@ -31,8 +31,8 @@
 #include <asm/mach-au1x00/au1000.h>
 
 char irq_tab_alchemy[][5] __initdata = {
- [12] = { -1, INTB, INTC, INTD, INTA},   /* IDSEL 12 - PCI slot 2 (left)  */
- [13] = { -1, INTA, INTB, INTC, INTD},   /* IDSEL 13 - PCI slot 1 (right) */
+        [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left)  */
+        [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
 };
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
diff --git a/arch/mips/au1000/xxs1500/Makefile b/arch/mips/au1000/xxs1500/Makefile
index 44d7f7056ae7..db3c526f64d8 100644
--- a/arch/mips/au1000/xxs1500/Makefile
+++ b/arch/mips/au1000/xxs1500/Makefile
@@ -1,7 +1,6 @@
 #
 #  Copyright 2003 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#       ppopov@mvista.com or source@mvista.com
+#  Author: MontaVista Software, Inc. <source@mvista.com>
 #
 # Makefile for MyCable XXS1500 board.
 #
diff --git a/arch/mips/au1000/xxs1500/board_setup.c b/arch/mips/au1000/xxs1500/board_setup.c
index 79d1798621bf..4c587acac5c3 100644
--- a/arch/mips/au1000/xxs1500/board_setup.c
+++ b/arch/mips/au1000/xxs1500/board_setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2000-2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2000-2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -39,40 +38,40 @@ void __init board_setup(void)
 {
         u32 pin_func;
 
-        // set multiple use pins (UART3/GPIO) to UART (it's used as UART too)
-        pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3);
+        /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
+        pin_func  = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
         pin_func |= SYS_PF_UR3;
         au_writel(pin_func, SYS_PINFUNC);
 
-        // enable UART
-        au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE)
+        /* Enable UART */
+        au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */
         mdelay(10);
-        au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable"
+        au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */
         mdelay(10);
 
-        // enable DTR = USB power up
-        au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01???
+        /* Enable DTR = USB power up */
+        au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
 
 #ifdef CONFIG_PCMCIA_XXS1500
-        /* setup pcmcia signals */
+        /* Setup PCMCIA signals */
         au_writel(0, SYS_PININPUTEN);
 
-        /* gpio 0, 1, and 4 are inputs */
-        au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR);
+        /* GPIO 0, 1, and 4 are inputs */
+        au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
 
-        /* enable GPIO2 if not already enabled */
+        /* Enable GPIO2 if not already enabled */
         au_writel(1, GPIO2_ENABLE);
-        /* gpio2 208/9/10/11 are inputs */
-        au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR);
+        /* GPIO2 208/9/10/11 are inputs */
+        au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
 
-        /* turn off power */
-        au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT);
+        /* Turn off power */
+        au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
+                  GPIO2_OUTPUT);
 #endif
 
-
 #ifdef CONFIG_PCI
 #if defined(__MIPSEB__)
-        au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+        au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
 #else
         au_writel(0xf, Au1500_PCI_CFG);
 #endif
diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/au1000/xxs1500/init.c
index 24fc6e132dc0..b849bf501c04 100644
--- a/arch/mips/au1000/xxs1500/init.c
+++ b/arch/mips/au1000/xxs1500/init.c
@@ -2,9 +2,8 @@
  * BRIEF MODULE DESCRIPTION
  *      XXS1500 board setup
  *
- * Copyright 2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -45,8 +44,8 @@ void __init prom_init(void)
         unsigned long memsize;
 
         prom_argc = fw_arg0;
-        prom_argv = (char **) fw_arg1;
-        prom_envp = (char **) fw_arg2;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
 
         prom_init_cmdline();
 
@@ -54,6 +53,6 @@ void __init prom_init(void)
         if (!memsize_str)
                 memsize = 0x04000000;
         else
-                memsize = simple_strtol(memsize_str, NULL, 0);
+                memsize = strict_strtol(memsize_str, 0, NULL);
         add_memory_region(0, memsize, BOOT_MEM_RAM);
 }
diff --git a/arch/mips/au1000/xxs1500/irqmap.c b/arch/mips/au1000/xxs1500/irqmap.c
index dd6e3d1eb4d4..edf06ed11870 100644
--- a/arch/mips/au1000/xxs1500/irqmap.c
+++ b/arch/mips/au1000/xxs1500/irqmap.c
@@ -31,7 +31,7 @@
 #include <asm/mach-au1x00/au1000.h>
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
-        { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
+        { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
         { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
         { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
         { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },
diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c
index 82f9e9013e70..62bfb455d1b1 100644
--- a/arch/mips/emma2rh/markeins/setup.c
+++ b/arch/mips/emma2rh/markeins/setup.c
@@ -76,7 +76,9 @@ static void markeins_machine_power_off(void)
         while (1) ;
 }
 
-static unsigned long clock[4] = { 166500000, 187312500, 199800000, 210600000 };
+static unsigned long __initdata emma2rh_clock[4] = {
+        166500000, 187312500, 199800000, 210600000
+};
 
 static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
 {
@@ -85,7 +87,8 @@ static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
         /* detect from boot strap */
         reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
         reg = (reg >> 4) & 0x3;
-        return clock[reg];
+
+        return emma2rh_clock[reg];
 }
 
 void __init plat_time_init(void)
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 45545be3eb86..cc0244036aec 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -56,9 +56,9 @@ obj-$(CONFIG_MIPS_MT_SMP)	+= smp-mt.o
 obj-$(CONFIG_MIPS_CMP)          += smp-cmp.o
 obj-$(CONFIG_CPU_MIPSR2)        += spram.o
 
-obj-$(CONFIG_MIPS_APSP_KSPD)    += kspd.o
 obj-$(CONFIG_MIPS_VPE_LOADER)   += vpe.o
 obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o
+obj-$(CONFIG_MIPS_APSP_KSPD)    += kspd.o
 
 obj-$(CONFIG_I8259)             += i8259.o
 obj-$(CONFIG_IRQ_CPU)           += irq_cpu.o
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index a1b48af0992f..02b7713cf71c 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -38,7 +38,7 @@ static inline void align_mod(const int align, const int mod)
                 ".endr\n\t"
                 ".set   pop"
                 :
-                : GCC_IMM_ASM(align), GCC_IMM_ASM(mod));
+                : GCC_IMM_ASM() (align), GCC_IMM_ASM() (mod));
 }
 
 static inline void mult_sh_align_mod(long *v1, long *v2, long *w,
diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c
index 290d8e3a664d..469c7237e5ba 100644
--- a/arch/mips/kernel/irixelf.c
+++ b/arch/mips/kernel/irixelf.c
@@ -578,7 +578,7 @@ static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp,
  * process and the system, here we map the page and fill the
  * structure
  */
-static void irix_map_prda_page(void)
+static int irix_map_prda_page(void)
 {
         unsigned long v;
         struct prda *pp;
@@ -587,8 +587,8 @@ static void irix_map_prda_page(void)
         v =  do_brk(PRDA_ADDRESS, PAGE_SIZE);
         up_write(&current->mm->mmap_sem);
 
-        if (v < 0)
-                return;
+        if (v != PRDA_ADDRESS)
+                return v;               /* v must be an error code */
 
         pp = (struct prda *) v;
         pp->prda_sys.t_pid  = task_pid_vnr(current);
@@ -596,6 +596,8 @@ static void irix_map_prda_page(void)
         pp->prda_sys.t_rpid = task_pid_vnr(current);
 
         /* We leave the rest set to zero */
+
+        return 0;
 }
 
 
@@ -781,7 +783,8 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs)
          * IRIX maps a page at 0x200000 which holds some system
          * information.  Programs depend on this.
          */
-        irix_map_prda_page();
+        if (irix_map_prda_page())
+                goto out_free_dentry;
 
         padzero(elf_bss);
 
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index ceb62dce1c9c..b0591ae0ce56 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -257,7 +257,7 @@ void sp_work_handle_request(void)
 
                 vcwd = vpe_getcwd(tclimit);
 
-                /* change to the cwd of the process that loaded the SP program */
+                /* change to cwd of the process that loaded the SP program */
                 old_fs = get_fs();
                 set_fs(KERNEL_DS);
                 sys_chdir(vcwd);
@@ -323,6 +323,9 @@ static void sp_cleanup(void)
                         set >>= 1;
                 }
         }
+
+        /* Put daemon cwd back to root to avoid umount problems */
+        sys_chdir("/");
 }
 
 static int channel_open = 0;
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 0233798f7155..b88f1c18ff4d 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -72,6 +72,15 @@ static void rtlx_dispatch(void)
 static irqreturn_t rtlx_interrupt(int irq, void *dev_id)
 {
         int i;
+        unsigned int flags, vpeflags;
+
+        /* Ought not to be strictly necessary for SMTC builds */
+        local_irq_save(flags);
+        vpeflags = dvpe();
+        set_c0_status(0x100 << MIPS_CPU_RTLX_IRQ);
+        irq_enable_hazard();
+        evpe(vpeflags);
+        local_irq_restore(flags);
 
         for (i = 0; i < RTLX_CHANNELS; i++) {
                         wake_up(&channel_wqs[i].lx_queue);
@@ -108,7 +117,8 @@ static void __used dump_rtlx(void)
 static int rtlx_init(struct rtlx_info *rtlxi)
 {
         if (rtlxi->id != RTLX_ID) {
-                printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id);
+                printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n",
+                        rtlxi, rtlxi->id);
                 return -ENOEXEC;
         }
 
@@ -162,18 +172,17 @@ int rtlx_open(int index, int can_sleep)
 
         if (rtlx == NULL) {
                 if( (p = vpe_get_shared(tclimit)) == NULL) {
-                        if (can_sleep) {
-                                __wait_event_interruptible(channel_wqs[index].lx_queue,
-                                                           (p = vpe_get_shared(tclimit)),
-                                                           ret);
-                                if (ret)
-                                        goto out_fail;
-                        } else {
-                                printk(KERN_DEBUG "No SP program loaded, and device "
-                                        "opened with O_NONBLOCK\n");
-                                ret = -ENOSYS;
+                    if (can_sleep) {
+                        __wait_event_interruptible(channel_wqs[index].lx_queue,
+                                (p = vpe_get_shared(tclimit)), ret);
+                        if (ret)
                                 goto out_fail;
-                        }
+                    } else {
+                        printk(KERN_DEBUG "No SP program loaded, and device "
+                                        "opened with O_NONBLOCK\n");
+                        ret = -ENOSYS;
+                        goto out_fail;
+                    }
                 }
 
                 smp_rmb();
@@ -182,7 +191,9 @@ int rtlx_open(int index, int can_sleep)
                                 DEFINE_WAIT(wait);
 
                                 for (;;) {
-                                        prepare_to_wait(&channel_wqs[index].lx_queue, &wait, TASK_INTERRUPTIBLE);
+                                        prepare_to_wait(
+                                                &channel_wqs[index].lx_queue,
+                                                &wait, TASK_INTERRUPTIBLE);
                                         smp_rmb();
                                         if (*p != NULL)
                                                 break;
@@ -195,7 +206,7 @@ int rtlx_open(int index, int can_sleep)
                                 }
                                 finish_wait(&channel_wqs[index].lx_queue, &wait);
                         } else {
-                                printk(" *vpe_get_shared is NULL. "
+                                pr_err(" *vpe_get_shared is NULL. "
                                        "Has an SP program been loaded?\n");
                                 ret = -ENOSYS;
                                 goto out_fail;
@@ -203,8 +214,9 @@ int rtlx_open(int index, int can_sleep)
                 }
 
                 if ((unsigned int)*p < KSEG0) {
-                        printk(KERN_WARNING "vpe_get_shared returned an invalid pointer "
-                               "maybe an error code %d\n", (int)*p);
+                        printk(KERN_WARNING "vpe_get_shared returned an "
+                               "invalid pointer maybe an error code %d\n",
+                               (int)*p);
                         ret = -ENOSYS;
                         goto out_fail;
                 }
@@ -232,6 +244,10 @@ out_ret:
 
 int rtlx_release(int index)
 {
+        if (rtlx == NULL) {
+                pr_err("rtlx_release() with null rtlx\n");
+                return 0;
+        }
         rtlx->channel[index].lx_state = RTLX_STATE_UNUSED;
         return 0;
 }
@@ -251,8 +267,8 @@ unsigned int rtlx_read_poll(int index, int can_sleep)
                         int ret = 0;
 
                         __wait_event_interruptible(channel_wqs[index].lx_queue,
-                                                   chan->lx_read != chan->lx_write || sp_stopping,
-                                                   ret);
+                                (chan->lx_read != chan->lx_write) ||
+                                sp_stopping, ret);
                         if (ret)
                                 return ret;
 
@@ -282,7 +298,9 @@ static inline int write_spacefree(int read, int write, int size)
 unsigned int rtlx_write_poll(int index)
 {
         struct rtlx_channel *chan = &rtlx->channel[index];
-        return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size);
+
+        return write_spacefree(chan->rt_read, chan->rt_write,
+                                chan->buffer_size);
 }
 
 ssize_t rtlx_read(int index, void __user *buff, size_t count)
@@ -344,8 +362,8 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count)
         rt_read = rt->rt_read;
 
         /* total number of bytes to copy */
-        count = min(count,
-                    (size_t)write_spacefree(rt_read, rt->rt_write, rt->buffer_size));
+        count = min(count, (size_t)write_spacefree(rt_read, rt->rt_write,
+                                                        rt->buffer_size));
 
         /* first bit from write pointer to the end of the buffer, or count */
         fl = min(count, (size_t) rt->buffer_size - rt->rt_write);
@@ -514,6 +532,11 @@ static int __init rtlx_module_init(void)
 
         if (cpu_has_vint)
                 set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch);
+        else {
+                pr_err("APRP RTLX init on non-vectored-interrupt processor\n");
+                err = -ENODEV;
+                goto out_chrdev;
+        }
 
         rtlx_irq.dev_id = rtlx;
         setup_irq(rtlx_irq_num, &rtlx_irq);
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 39f3dfe134fb..c6a063b2a0d9 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -331,6 +331,7 @@ static void __init bootmem_init(void)
         /*
          * Determine low and high memory ranges
          */
+        max_pfn = max_low_pfn;
         if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) {
 #ifdef CONFIG_HIGHMEM
                 highstart_pfn = PFN_DOWN(HIGHMEM_START);
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 33780cc61ce9..63370cdd3c90 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -87,8 +87,8 @@ struct plat_smp_ops *mp_ops;
 
 __cpuinit void register_smp_ops(struct plat_smp_ops *ops)
 {
-        if (ops)
-                printk(KERN_WARNING "Overriding previous set SMP ops\n");
+        if (mp_ops)
+                printk(KERN_WARNING "Overriding previously set SMP ops\n");
 
         mp_ops = ops;
 }
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 39804c584edd..2794501ff302 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -269,7 +269,7 @@ static void *alloc_progmem(unsigned long len)
          * This means you must tell Linux to use less memory than you
          * physically have, for example by passing a mem= boot argument.
          */
-        addr = pfn_to_kaddr(max_pfn);
+        addr = pfn_to_kaddr(max_low_pfn);
         memset(addr, 0, len);
 #else
         /* simple grab some mem for now */
@@ -781,10 +781,15 @@ static int vpe_run(struct vpe * v)
         /* take system out of configuration state */
         clear_c0_mvpcontrol(MVPCONTROL_VPC);
 
+        /*
+         * SMTC/SMVP kernels manage VPE enable independently,
+         * but uniprocessor kernels need to turn it on, even
+         * if that wasn't the pre-dvpe() state.
+         */
 #ifdef CONFIG_SMP
-        evpe(EVPE_ENABLE);
-#else
         evpe(vpeflags);
+#else
+        evpe(EVPE_ENABLE);
 #endif
         emt(dmt_flag);
         local_irq_restore(flags);
@@ -840,7 +845,7 @@ static int vpe_elfload(struct vpe * v)
 
         /* Sanity checks against insmoding binaries or wrong arch,
            weird elf version */
-        if (memcmp(hdr->e_ident, ELFMAG, 4) != 0
+        if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0
             || (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC)
             || !elf_check_arch(hdr)
             || hdr->e_shentsize != sizeof(*sechdrs)) {
@@ -947,12 +952,14 @@ static int vpe_elfload(struct vpe * v)
                 struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff);
 
                 for (i = 0; i < hdr->e_phnum; i++) {
-                        if (phdr->p_type != PT_LOAD)
-                                continue;
-
-                        memcpy((void *)phdr->p_paddr, (char *)hdr + phdr->p_offset, phdr->p_filesz);
-                        memset((void *)phdr->p_paddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz);
-                        phdr++;
+                        if (phdr->p_type == PT_LOAD) {
+                                memcpy((void *)phdr->p_paddr,
+                                       (char *)hdr + phdr->p_offset,
+                                       phdr->p_filesz);
+                                memset((void *)phdr->p_paddr + phdr->p_filesz,
+                                       0, phdr->p_memsz - phdr->p_filesz);
+                    }
+                    phdr++;
                 }
 
                 for (i = 0; i < hdr->e_shnum; i++) {
@@ -1107,7 +1114,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
                 return -ENODEV;
 
         hdr = (Elf_Ehdr *) v->pbuffer;
-        if (memcmp(hdr->e_ident, ELFMAG, 4) == 0) {
+        if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) == 0) {
                 if (vpe_elfload(v) >= 0) {
                         vpe_run(v);
                 } else {
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index 10dd2af2343b..8f2cd8eda741 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -116,4 +116,3 @@ EXPORT_SYMBOL(__kmap);
 EXPORT_SYMBOL(__kunmap);
 EXPORT_SYMBOL(__kmap_atomic);
 EXPORT_SYMBOL(__kunmap_atomic);
-EXPORT_SYMBOL(__kmap_atomic_to_page);
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index da8cbb6899dc..b40df7d2cf44 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -281,7 +281,7 @@ static inline int n_counters(void)
 
 static void reset_counters(void *arg)
 {
-        int counters = (int)arg;
+        int counters = (int)(long)arg;
         switch (counters) {
         case 4:
                 w_c0_perfctrl3(0);
@@ -313,7 +313,7 @@ static int __init mipsxx_init(void)
         if (!cpu_has_mipsmt_pertccounters)
                 counters = counters_total_to_per_cpu(counters);
 #endif
-        on_each_cpu(reset_counters, (void *)counters, 0, 1);
+        on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
 
         op_model_mipsxx_ops.num_counters = counters;
         switch (current_cpu_type()) {
@@ -382,7 +382,7 @@ static void mipsxx_exit(void)
         int counters = op_model_mipsxx_ops.num_counters;
 
         counters = counters_per_cpu_to_total(counters);
-        on_each_cpu(reset_counters, (void *)counters, 0, 1);
+        on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
 
         perf_irq = save_perf_irq;
 }
diff --git a/arch/mips/pci/fixup-au1000.c b/arch/mips/pci/fixup-au1000.c
index 00c36c9dbe0e..e2ddfc49237c 100644
--- a/arch/mips/pci/fixup-au1000.c
+++ b/arch/mips/pci/fixup-au1000.c
@@ -1,10 +1,9 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Board specific pci fixups.
+ *      Board specific PCI fixups.
  *
- * Copyright 2001-2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001-2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index 1314bd58f036..9a57c5ab91dd 100644
--- a/arch/mips/pci/ops-au1000.c
+++ b/arch/mips/pci/ops-au1000.c
@@ -1,10 +1,9 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *      Alchemy/AMD Au1x00 PCI support.
+ *      Alchemy/AMD Au1xx0 PCI support.
  *
- * Copyright 2001-2003, 2007 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *              ppopov@mvista.com or source@mvista.com
+ * Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
  *
  *  Support for all devices (greater than 16) added by David Gathright.
  *
@@ -28,6 +27,7 @@
  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
+
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
@@ -36,9 +36,9 @@
 
 #include <asm/mach-au1x00/au1000.h>
 
-#undef DEBUG
-#ifdef DEBUG
-#define DBG(x...) printk(x)
+#undef  DEBUG
+#ifdef  DEBUG
+#define DBG(x...) printk(KERN_DEBUG x)
 #else
 #define DBG(x...)
 #endif
@@ -46,7 +46,6 @@
 #define PCI_ACCESS_READ  0
 #define PCI_ACCESS_WRITE 1
 
-
 int (*board_pci_idsel)(unsigned int devsel, int assert);
 
 void mod_wired_entry(int entry, unsigned long entrylo0,
@@ -92,10 +91,9 @@ void __init au1x_pci_cfg_init(void)
 }
 
 static int config_access(unsigned char access_type, struct pci_bus *bus,
-                         unsigned int dev_fn, unsigned char where,
-                         u32 * data)
+                         unsigned int dev_fn, unsigned char where, u32 *data)
 {
-#if defined( CONFIG_SOC_AU1500 ) || defined( CONFIG_SOC_AU1550 )
+#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
         unsigned int device = PCI_SLOT(dev_fn);
         unsigned int function = PCI_FUNC(dev_fn);
         unsigned long offset, status;
@@ -114,38 +112,36 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
                         Au1500_PCI_STATCMD);
         au_sync_udelay(1);
 
-        /* Allow board vendors to implement their own off-chip idsel.
+        /*
+         * Allow board vendors to implement their own off-chip IDSEL.
          * If it doesn't succeed, may as well bail out at this point.
          */
-        if (board_pci_idsel) {
-                if (board_pci_idsel(device, 1) == 0) {
-                        *data = 0xffffffff;
-                        local_irq_restore(flags);
-                        return -1;
-                }
+        if (board_pci_idsel && board_pci_idsel(device, 1) == 0) {
+                *data = 0xffffffff;
+                local_irq_restore(flags);
+                return -1;
         }
 
-        /* setup the config window */
-        if (bus->number == 0) {
-                cfg_base = ((1<<device)<<11);
-        } else {
-                cfg_base = 0x80000000 | (bus->number<<16) | (device<<11);
-        }
+        /* Setup the config window */
+        if (bus->number == 0)
+                cfg_base = (1 << device) << 11;
+        else
+                cfg_base = 0x80000000 | (bus->number << 16) | (device << 11);
 
-        /* setup the lower bits of the 36 bit address */
-        offset = (function << 8) | (where & ~0x3);
-        /* pick up any address that falls below the page mask */
+        /* Setup the lower bits of the 36-bit address */
+        offset = (function << 8) | (where & ~0x3);
+        /* Pick up any address that falls below the page mask */
         offset |= cfg_base & ~PAGE_MASK;
 
-        /* page boundary */
+        /* Page boundary */
         cfg_base = cfg_base & PAGE_MASK;
 
         /*
          * To improve performance, if the current device is the same as
          * the last device accessed, we don't touch the TLB.
          */
-        entryLo0 = (6 << 26)  | (cfg_base >> 6) | (2 << 3) | 7;
-        entryLo1 = (6 << 26)  | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7;
+        entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7;
+        entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7;
         if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) {
                 mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1,
                                 (unsigned long)pci_cfg_vm->addr, PM_4K);
@@ -153,38 +149,37 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
                 last_entryLo1 = entryLo1;
         }
 
-        if (access_type == PCI_ACCESS_WRITE) {
+        if (access_type == PCI_ACCESS_WRITE)
                 au_writel(*data, (int)(pci_cfg_vm->addr + offset));
-        } else {
+        else
                 *data = au_readl((int)(pci_cfg_vm->addr + offset));
-        }
+
         au_sync_udelay(2);
 
-        DBG("cfg_access %d bus->number %d dev %d at %x *data %x conf %x\n",
-                        access_type, bus->number, device, where, *data, offset);
+        DBG("cfg_access %d bus->number %u dev %u at %x *data %x conf %lx\n",
+            access_type, bus->number, device, where, *data, offset);
 
-        /* check master abort */
+        /* Check master abort */
         status = au_readl(Au1500_PCI_STATCMD);
 
-        if (status & (1<<29)) {
+        if (status & (1 << 29)) {
                 *data = 0xffffffff;
                 error = -1;
                 DBG("Au1x Master Abort\n");
         } else if ((status >> 28) & 0xf) {
-                DBG("PCI ERR detected: device %d, status %x\n", device, ((status >> 28) & 0xf));
+                DBG("PCI ERR detected: device %u, status %lx\n",
+                    device, (status >> 28) & 0xf);
 
-                /* clear errors */
+                /* Clear errors */
                 au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD);
 
                 *data = 0xffffffff;
                 error = -1;
         }
 
-        /* Take away the idsel.
-        */
-        if (board_pci_idsel) {
+        /* Take away the IDSEL. */
+        if (board_pci_idsel)
                 (void)board_pci_idsel(device, 0);
-        }
 
         local_irq_restore(flags);
         return error;
@@ -192,7 +187,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 }
 
 static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
-                            int where, u8 * val)
+                            int where,  u8 *val)
 {
         u32 data;
         int ret;
@@ -206,9 +201,8 @@ static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
         return ret;
 }
 
-
 static int read_config_word(struct pci_bus *bus, unsigned int devfn,
-                            int where, u16 * val)
+                            int where, u16 *val)
 {
         u32 data;
         int ret;
@@ -221,7 +215,7 @@ static int read_config_word(struct pci_bus *bus, unsigned int devfn,
 }
 
 static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
-                             int where, u32 * val)
+                             int where, u32 *val)
 {
         int ret;
 
@@ -229,9 +223,8 @@ static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
         return ret;
 }
 
-static int
-write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
-                  u8 val)
+static int write_config_byte(struct pci_bus *bus, unsigned int devfn,
+                             int where, u8 val)
 {
         u32 data = 0;
 
@@ -239,7 +232,7 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
                 return -1;
 
         data = (data & ~(0xff << ((where & 3) << 3))) |
-            (val << ((where & 3) << 3));
+               (val << ((where & 3) << 3));
 
         if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
                 return -1;
@@ -247,9 +240,8 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
         return PCIBIOS_SUCCESSFUL;
 }
 
-static int
-write_config_word(struct pci_bus *bus, unsigned int devfn, int where,
-                  u16 val)
+static int write_config_word(struct pci_bus *bus, unsigned int devfn,
+                             int where, u16 val)
 {
         u32 data = 0;
 
@@ -257,18 +249,16 @@ write_config_word(struct pci_bus *bus, unsigned int devfn, int where,
                 return -1;
 
         data = (data & ~(0xffff << ((where & 3) << 3))) |
-            (val << ((where & 3) << 3));
+               (val << ((where & 3) << 3));
 
         if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
                 return -1;
 
-
         return PCIBIOS_SUCCESSFUL;
 }
 
-static int
-write_config_dword(struct pci_bus *bus, unsigned int devfn, int where,
-                   u32 val)
+static int write_config_dword(struct pci_bus *bus, unsigned int devfn,
+                              int where, u32 val)
 {
         if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val))
                 return -1;
@@ -277,18 +267,20 @@ write_config_dword(struct pci_bus *bus, unsigned int devfn, int where,
 }
 
 static int config_read(struct pci_bus *bus, unsigned int devfn,
-                       int where, int size, u32 * val)
+                       int where, int size, u32 *val)
 {
         switch (size) {
         case 1: {
                         u8 _val;
                         int rc = read_config_byte(bus, devfn, where, &_val);
+
                         *val = _val;
                         return rc;
                 }
-       case 2: {
+        case 2: {
                         u16 _val;
                         int rc = read_config_word(bus, devfn, where, &_val);
+
                         *val = _val;
                         return rc;
                 }
@@ -310,7 +302,6 @@ static int config_write(struct pci_bus *bus, unsigned int devfn,
         }
 }
 
-
 struct pci_ops au1x_pci_ops = {
         config_read,
         config_write
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c
index ab96a2d7f4c4..11769b55438c 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c
@@ -126,9 +126,6 @@ static irqreturn_t hwbutton_handler(int irq, void *data)
         struct hwbutton_interrupt *hirq = data;
         unsigned long cic_ext = *CIC_EXT_CFG_REG;
 
-        if (irq != hirq->irq)
-                return IRQ_NONE;
-
         if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) {
                 /* Interrupt: pin is now HI */
                 CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
@@ -164,7 +161,7 @@ static int msp_hwbutton_register(struct hwbutton_interrupt *hirq)
         *CIC_EXT_CFG_REG = cic_ext;
 
         return request_irq(hirq->irq, hwbutton_handler, IRQF_DISABLED,
-                                hirq->name, (void *)hirq);
+                           hirq->name, hirq);
 }
 
 static int __init msp_hwbutton_setup(void)
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 25d3baf0ebc4..9cebc9e7da63 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -158,7 +158,7 @@ static void rt_set_mode(enum clock_event_mode mode,
         }
 }
 
-unsigned int rt_timer_irq;
+int rt_timer_irq;
 
 static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id)
 {
@@ -219,7 +219,7 @@ static void __cpuinit hub_rt_clock_event_init(void)
 
 static void __init hub_rt_clock_event_global_init(void)
 {
-        unsigned int irq;
+        int irq;
 
         do {
                 smp_wmb();
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 6a6409adc564..e856218da90d 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -186,17 +186,6 @@ config PREEMPT
           Say Y here if you are building a kernel for a desktop, embedded
           or real-time system.  Say N if you are unsure.
 
-config PREEMPT_BKL
-        bool "Preempt The Big Kernel Lock"
-        depends on PREEMPT
-        default y
-        help
-          This option reduces the latency of the kernel by making the
-          big kernel lock preemptible.
-
-          Say Y here if you are building a kernel for a desktop system.
-          Say N if you are unsure.
-
 config MN10300_CURRENT_IN_E2
         bool "Hold current task address in E2 register"
         default y
diff --git a/arch/mn10300/boot/install.sh b/arch/mn10300/boot/install.sh
index 072951c83976..abba30971191 100644
--- a/arch/mn10300/boot/install.sh
+++ b/arch/mn10300/boot/install.sh
@@ -26,42 +26,42 @@ rm -fr $4/../usr/include/linux $4/../usr/include/asm
 install -c -m 0755 $2 $4/vmlinuz
 install -c -m 0755 $5 $4/boot.rom
 install -c -m 0755 -d $4/../usr/include/linux
-cd $TOPDIR/include/linux
+cd ${srctree}/include/linux
 for i in `find . -maxdepth 1 -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux
 done
 install -c -m 0755 -d $4/../usr/include/linux/byteorder
-cd $TOPDIR/include/linux/byteorder
+cd ${srctree}/include/linux/byteorder
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/byteorder
 done
 install -c -m 0755 -d $4/../usr/include/linux/lockd
-cd $TOPDIR/include/linux/lockd
+cd ${srctree}/include/linux/lockd
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/lockd
 done
 install -c -m 0755 -d $4/../usr/include/linux/netfilter_ipv4
-cd $TOPDIR/include/linux/netfilter_ipv4
+cd ${srctree}/include/linux/netfilter_ipv4
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/netfilter_ipv4
 done
 install -c -m 0755 -d $4/../usr/include/linux/nfsd
-cd $TOPDIR/include/linux/nfsd
+cd ${srctree}/include/linux/nfsd
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/nfsd/$i
 done
 install -c -m 0755 -d $4/../usr/include/linux/raid
-cd $TOPDIR/include/linux/raid
+cd ${srctree}/include/linux/raid
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/raid
 done
 install -c -m 0755 -d $4/../usr/include/linux/sunrpc
-cd $TOPDIR/include/linux/sunrpc
+cd ${srctree}/include/linux/sunrpc
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/linux/sunrpc
 done
 install -c -m 0755 -d $4/../usr/include/asm
-cd $TOPDIR/include/asm
+cd ${srctree}/include/asm
 for i in `find . -name '*.h' -print`; do
   install -c -m 0644 $i $4/../usr/include/asm
 done
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 1f012843150f..b0ed709d5743 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -606,7 +606,7 @@ void show_mem(void)
                 int i, j;
 
                 for (i = 0; i < npmem_ranges; i++) {
-                        zl = node_zonelist(i);
+                        zl = node_zonelist(i, 0);
                         for (j = 0; j < MAX_NR_ZONES; j++) {
                                 struct zoneref *z;
                                 struct zone *zone;
diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts
index a1ae4d6ec990..72d67564bdfc 100644
--- a/arch/powerpc/boot/dts/sequoia.dts
+++ b/arch/powerpc/boot/dts/sequoia.dts
@@ -342,9 +342,14 @@
                         /* Outbound ranges, one memory and one IO,
                          * later cannot be changed. Chip supports a second
                          * IO range but we don't use it for now
+                         * From the 440EPx user manual:
+                         * PCI 1 Memory     1 8000 0000     1 BFFF FFFF     1GB
+                         * I/O              1 E800 0000     1 E800 FFFF     64KB
+                         * I/O              1 E880 0000     1 EBFF FFFF     56MB
                          */
-                        ranges = <02000000 0 80000000 1 80000000 0 10000000
-                                01000000 0 00000000 1 e8000000 0 00100000>;
+                        ranges = <02000000 0 80000000 1 80000000 0 40000000
+                                01000000 0 00000000 1 e8000000 0 00010000
+                                01000000 0 00000000 1 e8800000 0 03800000>;
 
                         /* Inbound 2GB range starting at 0 */
                         dma-ranges = <42000000 0 0 0 0 0 80000000>;
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index d14cebf62bb0..2346d271fbfd 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -105,6 +105,9 @@ PHONY += systbl_chk
 systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
         $(call cmd,systbl_chk)
 
+
+ifeq ($(CONFIG_PPC_MERGE),y)
+
 $(obj)/built-in.o:              prom_init_check
 
 quiet_cmd_prom_init_check = CALL    $<
@@ -114,4 +117,7 @@ PHONY += prom_init_check
 prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
         $(call cmd,prom_init_check)
 
+endif
+
+
 clean-files := vmlinux.lds
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 9f9377745490..d8f0329b1344 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -16,7 +16,6 @@
 #include <asm/mmu.h>
 #include <asm/pgtable.h>
 #include <asm/io.h>
-#include <asm/prom.h>
 #include <asm/processor.h>
 #include <asm/udbg.h>
 
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 36080d4d1922..e44d5530f0a6 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1208,6 +1208,18 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_4xx,
                 .platform               = "ppc405",
         },
+        {       /* default match */
+                .pvr_mask               = 0x00000000,
+                .pvr_value              = 0x00000000,
+                .cpu_name               = "(generic 40x PPC)",
+                .cpu_features           = CPU_FTRS_40X,
+                .cpu_user_features      = PPC_FEATURE_32 |
+                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .icache_bsize           = 32,
+                .dcache_bsize           = 32,
+                .machine_check          = machine_check_4xx,
+                .platform               = "ppc405",
+        }
 
 #endif /* CONFIG_40x */
 #ifdef CONFIG_44x
@@ -1421,8 +1433,18 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_440A,
                 .platform               = "ppc440",
         },
+        {       /* default match */
+                .pvr_mask               = 0x00000000,
+                .pvr_value              = 0x00000000,
+                .cpu_name               = "(generic 44x PPC)",
+                .cpu_features           = CPU_FTRS_44X,
+                .cpu_user_features      = COMMON_USER_BOOKE,
+                .icache_bsize           = 32,
+                .dcache_bsize           = 32,
+                .machine_check          = machine_check_4xx,
+                .platform               = "ppc440",
+        }
 #endif /* CONFIG_44x */
-#ifdef CONFIG_FSL_BOOKE
 #ifdef CONFIG_E200
         {       /* e200z5 */
                 .pvr_mask               = 0xfff00000,
@@ -1451,7 +1473,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_e200,
                 .platform               = "ppc5554",
         },
-#elif defined(CONFIG_E500)
+        {       /* default match */
+                .pvr_mask               = 0x00000000,
+                .pvr_value              = 0x00000000,
+                .cpu_name               = "(generic E200 PPC)",
+                .cpu_features           = CPU_FTRS_E200,
+                .cpu_user_features      = COMMON_USER_BOOKE |
+                        PPC_FEATURE_HAS_EFP_SINGLE |
+                        PPC_FEATURE_UNIFIED_CACHE,
+                .dcache_bsize           = 32,
+                .machine_check          = machine_check_e200,
+                .platform               = "ppc5554",
+        }
+#endif /* CONFIG_E200 */
+#ifdef CONFIG_E500
         {       /* e500 */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x80200000,
@@ -1487,20 +1522,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_e500,
                 .platform               = "ppc8548",
         },
-#endif
-#endif
-#if !CLASSIC_PPC
         {       /* default match */
                 .pvr_mask               = 0x00000000,
                 .pvr_value              = 0x00000000,
-                .cpu_name               = "(generic PPC)",
-                .cpu_features           = CPU_FTRS_GENERIC_32,
-                .cpu_user_features      = PPC_FEATURE_32,
+                .cpu_name               = "(generic E500 PPC)",
+                .cpu_features           = CPU_FTRS_E500,
+                .cpu_user_features      = COMMON_USER_BOOKE |
+                        PPC_FEATURE_HAS_SPE_COMP |
+                        PPC_FEATURE_HAS_EFP_SINGLE_COMP,
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
+                .machine_check          = machine_check_e500,
                 .platform               = "powerpc",
         }
-#endif /* !CLASSIC_PPC */
+#endif /* CONFIG_E500 */
 #endif /* CONFIG_PPC32 */
 };
 
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index b84ec6a2fc94..c2b9dc4fce5d 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -653,7 +653,14 @@ finish_tlb_load:
         rlwimi  r10, r11, 0, 26, 26             /* UX = HWEXEC & USER */
 
         rlwimi  r12, r10, 0, 26, 31             /* Insert static perms */
-        rlwinm  r12, r12, 0, 20, 15             /* Clear U0-U3 */
+
+        /*
+         * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+         * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+         * include/asm-powerpc/pgtable-ppc32.h for details).
+         */
+        rlwinm  r12, r12, 0, 20, 10
+
         tlbwe   r12, r13, PPC44x_TLB_ATTRIB     /* Write ATTRIB */
 
         /* Done...restore registers and get out of here.
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 024805e1747d..25e84c0e1166 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1517,10 +1517,6 @@ _INIT_STATIC(start_here_multiplatform)
         addi    r2,r2,0x4000
         add     r2,r2,r26
 
-        /* Set initial ptr to current */
-        LOAD_REG_IMMEDIATE(r4, init_task)
-        std     r4,PACACURRENT(r13)
-
         /* Do very early kernel initializations, including initial hash table,
          * stab and slb setup before we turn on relocation.     */
 
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 289af348978d..4d5731b2429a 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -108,9 +108,6 @@ static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node,
         if (size > 0x10000)
                 size = 0x10000;
 
-        printk(KERN_ERR "no ISA IO ranges or unexpected isa range, "
-               "mapping 64k\n");
-
         __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE,
                      size, _PAGE_NO_CACHE|_PAGE_GUARDED);
         return;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 25e3fd8606ab..098fd96a394a 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -170,6 +170,8 @@ void __init setup_paca(int cpu)
 
 void __init early_setup(unsigned long dt_ptr)
 {
+        /* -------- printk is _NOT_ safe to use here ! ------- */
+
         /* Fill in any unititialised pacas */
         initialise_pacas();
 
@@ -179,12 +181,14 @@ void __init early_setup(unsigned long dt_ptr)
         /* Assume we're on cpu 0 for now. Don't write to the paca yet! */
         setup_paca(0);
 
-        /* Enable early debugging if any specified (see udbg.h) */
-        udbg_early_init();
-
         /* Initialize lockdep early or else spinlocks will blow */
         lockdep_init();
 
+        /* -------- printk is now safe to use ------- */
+
+        /* Enable early debugging if any specified (see udbg.h) */
+        udbg_early_init();
+
         DBG(" -> early_setup(), dt_ptr: 0x%lx\n", dt_ptr);
 
         /*
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 4bb023f4c869..c71d37dc6a88 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -10,6 +10,7 @@ ifeq ($(CONFIG_PPC_MERGE),y)
 obj-y                   := string.o alloc.o \
                            checksum_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_PPC32)     += div64.o copy_32.o
+obj-$(CONFIG_HAS_IOMEM) += devres.o
 endif
 
 obj-$(CONFIG_PPC64)     += copypage_64.o copyuser_64.o \
diff --git a/arch/powerpc/lib/devres.c b/arch/powerpc/lib/devres.c
new file mode 100644
index 000000000000..292115d98ea9
--- /dev/null
+++ b/arch/powerpc/lib/devres.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/device.h>       /* devres_*(), devm_ioremap_release() */
+#include <linux/io.h>           /* ioremap_flags() */
+#include <linux/module.h>       /* EXPORT_SYMBOL() */
+
+/**
+ * devm_ioremap_prot - Managed ioremap_flags()
+ * @dev: Generic device to remap IO address for
+ * @offset: BUS offset to map
+ * @size: Size of map
+ * @flags: Page flags
+ *
+ * Managed ioremap_prot().  Map is automatically unmapped on driver
+ * detach.
+ */
+void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
+                                 size_t size, unsigned long flags)
+{
+        void __iomem **ptr, *addr;
+
+        ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL);
+        if (!ptr)
+                return NULL;
+
+        addr = ioremap_flags(offset, size, flags);
+        if (addr) {
+                *ptr = addr;
+                devres_add(dev, ptr);
+        } else
+                devres_free(ptr);
+
+        return addr;
+}
+EXPORT_SYMBOL(devm_ioremap_prot);
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 04f74f9f9ab6..5bf7df146022 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -35,6 +35,7 @@
 #include <linux/percpu.h>
 #include <linux/types.h>
 #include <linux/ioport.h>
+#include <linux/kernel_stat.h>
 
 #include <asm/io.h>
 #include <asm/pgtable.h>
@@ -231,6 +232,54 @@ static int iic_host_match(struct irq_host *h, struct device_node *node)
                                     "IBM,CBEA-Internal-Interrupt-Controller");
 }
 
+extern int noirqdebug;
+
+static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
+{
+        const unsigned int cpu = smp_processor_id();
+
+        spin_lock(&desc->lock);
+
+        desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+
+        /*
+         * If we're currently running this IRQ, or its disabled,
+         * we shouldn't process the IRQ. Mark it pending, handle
+         * the necessary masking and go out
+         */
+        if (unlikely((desc->status & (IRQ_INPROGRESS | IRQ_DISABLED)) ||
+                    !desc->action)) {
+                desc->status |= IRQ_PENDING;
+                goto out_eoi;
+        }
+
+        kstat_cpu(cpu).irqs[irq]++;
+
+        /* Mark the IRQ currently in progress.*/
+        desc->status |= IRQ_INPROGRESS;
+
+        do {
+                struct irqaction *action = desc->action;
+                irqreturn_t action_ret;
+
+                if (unlikely(!action))
+                        goto out_eoi;
+
+                desc->status &= ~IRQ_PENDING;
+                spin_unlock(&desc->lock);
+                action_ret = handle_IRQ_event(irq, action);
+                if (!noirqdebug)
+                        note_interrupt(irq, desc, action_ret);
+                spin_lock(&desc->lock);
+
+        } while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
+
+        desc->status &= ~IRQ_INPROGRESS;
+out_eoi:
+        desc->chip->eoi(irq);
+        spin_unlock(&desc->lock);
+}
+
 static int iic_host_map(struct irq_host *h, unsigned int virq,
                         irq_hw_number_t hw)
 {
@@ -240,10 +289,10 @@ static int iic_host_map(struct irq_host *h, unsigned int virq,
                 break;
         case IIC_IRQ_TYPE_IOEXC:
                 set_irq_chip_and_handler(virq, &iic_ioexc_chip,
-                                         handle_fasteoi_irq);
+                                         handle_iic_irq);
                 break;
         default:
-                set_irq_chip_and_handler(virq, &iic_chip, handle_fasteoi_irq);
+                set_irq_chip_and_handler(virq, &iic_chip, handle_iic_irq);
         }
         return 0;
 }
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 6bab44b7716b..70c660121ec4 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -141,6 +141,10 @@ static void spu_restart_dma(struct spu *spu)
 
         if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags))
                 out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESTART_DMA_COMMAND);
+        else {
+                set_bit(SPU_CONTEXT_FAULT_PENDING, &spu->flags);
+                mb();
+        }
 }
 
 static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb)
@@ -226,11 +230,13 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
                 return 0;
         }
 
-        spu->class_0_pending = 0;
-        spu->dar = ea;
-        spu->dsisr = dsisr;
+        spu->class_1_dar = ea;
+        spu->class_1_dsisr = dsisr;
+
+        spu->stop_callback(spu, 1);
 
-        spu->stop_callback(spu);
+        spu->class_1_dar = 0;
+        spu->class_1_dsisr = 0;
 
         return 0;
 }
@@ -318,11 +324,15 @@ spu_irq_class_0(int irq, void *data)
         stat = spu_int_stat_get(spu, 0) & mask;
 
         spu->class_0_pending |= stat;
-        spu->dsisr = spu_mfc_dsisr_get(spu);
-        spu->dar = spu_mfc_dar_get(spu);
+        spu->class_0_dsisr = spu_mfc_dsisr_get(spu);
+        spu->class_0_dar = spu_mfc_dar_get(spu);
         spin_unlock(&spu->register_lock);
 
-        spu->stop_callback(spu);
+        spu->stop_callback(spu, 0);
+
+        spu->class_0_pending = 0;
+        spu->class_0_dsisr = 0;
+        spu->class_0_dar = 0;
 
         spu_int_stat_clear(spu, 0, stat);
 
@@ -363,6 +373,9 @@ spu_irq_class_1(int irq, void *data)
         if (stat & CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR)
                 ;
 
+        spu->class_1_dsisr = 0;
+        spu->class_1_dar = 0;
+
         return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
@@ -396,10 +409,10 @@ spu_irq_class_2(int irq, void *data)
                 spu->ibox_callback(spu);
 
         if (stat & CLASS2_SPU_STOP_INTR)
-                spu->stop_callback(spu);
+                spu->stop_callback(spu, 2);
 
         if (stat & CLASS2_SPU_HALT_INTR)
-                spu->stop_callback(spu);
+                spu->stop_callback(spu, 2);
 
         if (stat & CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR)
                 spu->mfc_callback(spu);
diff --git a/arch/powerpc/platforms/cell/spu_priv1_mmio.c b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
index 67fa7247b80a..906a0a2a9fe1 100644
--- a/arch/powerpc/platforms/cell/spu_priv1_mmio.c
+++ b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
@@ -28,6 +28,7 @@
 #include <linux/io.h>
 #include <linux/mutex.h>
 #include <linux/device.h>
+#include <linux/sched.h>
 
 #include <asm/spu.h>
 #include <asm/spu_priv1.h>
@@ -75,8 +76,19 @@ static u64 int_stat_get(struct spu *spu, int class)
 
 static void cpu_affinity_set(struct spu *spu, int cpu)
 {
-        u64 target = iic_get_target_id(cpu);
-        u64 route = target << 48 | target << 32 | target << 16;
+        u64 target;
+        u64 route;
+
+        if (nr_cpus_node(spu->node)) {
+                cpumask_t spumask = node_to_cpumask(spu->node);
+                cpumask_t cpumask = node_to_cpumask(cpu_to_node(cpu));
+
+                if (!cpus_intersects(spumask, cpumask))
+                        return;
+        }
+
+        target = iic_get_target_id(cpu);
+        route = target << 48 | target << 32 | target << 16;
         out_be64(&spu->priv1->int_route_RW, route);
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c
index e46d300e21a5..f093a581ac74 100644
--- a/arch/powerpc/platforms/cell/spufs/fault.c
+++ b/arch/powerpc/platforms/cell/spufs/fault.c
@@ -83,13 +83,18 @@ int spufs_handle_class0(struct spu_context *ctx)
                 return 0;
 
         if (stat & CLASS0_DMA_ALIGNMENT_INTR)
-                spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_DMA_ALIGNMENT);
+                spufs_handle_event(ctx, ctx->csa.class_0_dar,
+                        SPE_EVENT_DMA_ALIGNMENT);
 
         if (stat & CLASS0_INVALID_DMA_COMMAND_INTR)
-                spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_INVALID_DMA);
+                spufs_handle_event(ctx, ctx->csa.class_0_dar,
+                        SPE_EVENT_INVALID_DMA);
 
         if (stat & CLASS0_SPU_ERROR_INTR)
-                spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_SPE_ERROR);
+                spufs_handle_event(ctx, ctx->csa.class_0_dar,
+                        SPE_EVENT_SPE_ERROR);
+
+        ctx->csa.class_0_pending = 0;
 
         return -EIO;
 }
@@ -119,8 +124,8 @@ int spufs_handle_class1(struct spu_context *ctx)
          * in time, we can still expect to get the same fault
          * the immediately after the context restore.
          */
-        ea = ctx->csa.dar;
-        dsisr = ctx->csa.dsisr;
+        ea = ctx->csa.class_1_dar;
+        dsisr = ctx->csa.class_1_dsisr;
 
         if (!(dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)))
                 return 0;
@@ -158,7 +163,7 @@ int spufs_handle_class1(struct spu_context *ctx)
          * time slicing will not preempt the context while the page fault
          * handler is running. Context switch code removes mappings.
          */
-        ctx->csa.dar = ctx->csa.dsisr = 0;
+        ctx->csa.class_1_dar = ctx->csa.class_1_dsisr = 0;
 
         /*
          * If we handled the fault successfully and are in runnable
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 0c32a05ab068..f407b2471855 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -23,6 +23,7 @@
 
 #include <linux/file.h>
 #include <linux/fs.h>
+#include <linux/fsnotify.h>
 #include <linux/backing-dev.h>
 #include <linux/init.h>
 #include <linux/ioctl.h>
@@ -223,7 +224,7 @@ static int spufs_dir_close(struct inode *inode, struct file *file)
         parent = dir->d_parent->d_inode;
         ctx = SPUFS_I(dir->d_inode)->i_ctx;
 
-        mutex_lock(&parent->i_mutex);
+        mutex_lock_nested(&parent->i_mutex, I_MUTEX_PARENT);
         ret = spufs_rmdir(parent, dir);
         mutex_unlock(&parent->i_mutex);
         WARN_ON(ret);
@@ -618,12 +619,15 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode,
         mode &= ~current->fs->umask;
 
         if (flags & SPU_CREATE_GANG)
-                return spufs_create_gang(nd->path.dentry->d_inode,
+                ret = spufs_create_gang(nd->path.dentry->d_inode,
                                          dentry, nd->path.mnt, mode);
         else
-                return spufs_create_context(nd->path.dentry->d_inode,
+                ret = spufs_create_context(nd->path.dentry->d_inode,
                                             dentry, nd->path.mnt, flags, mode,
                                             filp);
+        if (ret >= 0)
+                fsnotify_mkdir(nd->path.dentry->d_inode, dentry);
+        return ret;
 
 out_dput:
         dput(dentry);
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index a9c35b7b719f..b7493b865812 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -11,7 +11,7 @@
 #include "spufs.h"
 
 /* interrupt-level stop callback function. */
-void spufs_stop_callback(struct spu *spu)
+void spufs_stop_callback(struct spu *spu, int irq)
 {
         struct spu_context *ctx = spu->ctx;
 
@@ -24,9 +24,19 @@ void spufs_stop_callback(struct spu *spu)
          */
         if (ctx) {
                 /* Copy exception arguments into module specific structure */
-                ctx->csa.class_0_pending = spu->class_0_pending;
-                ctx->csa.dsisr = spu->dsisr;
-                ctx->csa.dar = spu->dar;
+                switch(irq) {
+                case 0 :
+                        ctx->csa.class_0_pending = spu->class_0_pending;
+                        ctx->csa.class_0_dsisr = spu->class_0_dsisr;
+                        ctx->csa.class_0_dar = spu->class_0_dar;
+                        break;
+                case 1 :
+                        ctx->csa.class_1_dsisr = spu->class_1_dsisr;
+                        ctx->csa.class_1_dar = spu->class_1_dar;
+                        break;
+                case 2 :
+                        break;
+                }
 
                 /* ensure that the exception status has hit memory before a
                  * thread waiting on the context's stop queue is woken */
@@ -34,11 +44,6 @@ void spufs_stop_callback(struct spu *spu)
 
                 wake_up_all(&ctx->stop_wq);
         }
-
-        /* Clear callback arguments from spu structure */
-        spu->class_0_pending = 0;
-        spu->dsisr = 0;
-        spu->dar = 0;
 }
 
 int spu_stopped(struct spu_context *ctx, u32 *stat)
@@ -56,7 +61,11 @@ int spu_stopped(struct spu_context *ctx, u32 *stat)
         if (!(*stat & SPU_STATUS_RUNNING) && (*stat & stopped))
                 return 1;
 
-        dsisr = ctx->csa.dsisr;
+        dsisr = ctx->csa.class_0_dsisr;
+        if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))
+                return 1;
+
+        dsisr = ctx->csa.class_1_dsisr;
         if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))
                 return 1;
 
@@ -294,7 +303,7 @@ static int spu_process_callback(struct spu_context *ctx)
         u32 ls_pointer, npc;
         void __iomem *ls;
         long spu_ret;
-        int ret, ret2;
+        int ret;
 
         /* get syscall block from local store */
         npc = ctx->ops->npc_read(ctx) & ~3;
@@ -316,11 +325,9 @@ static int spu_process_callback(struct spu_context *ctx)
                 if (spu_ret <= -ERESTARTSYS) {
                         ret = spu_handle_restartsys(ctx, &spu_ret, &npc);
                 }
-                ret2 = spu_acquire(ctx);
+                mutex_lock(&ctx->state_mutex);
                 if (ret == -ERESTARTSYS)
                         return ret;
-                if (ret2)
-                        return -EINTR;
         }
 
         /* need to re-get the ls, as it may have changed when we released the
@@ -343,13 +350,14 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)
         if (mutex_lock_interruptible(&ctx->run_mutex))
                 return -ERESTARTSYS;
 
-        spu_enable_spu(ctx);
         ctx->event_return = 0;
 
         ret = spu_acquire(ctx);
         if (ret)
                 goto out_unlock;
 
+        spu_enable_spu(ctx);
+
         spu_update_sched_info(ctx);
 
         ret = spu_run_init(ctx, npc);
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 7298e7db2c83..2e411f23462b 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -140,6 +140,9 @@ void __spu_update_sched_info(struct spu_context *ctx)
          * if it is timesliced or preempted.
          */
         ctx->cpus_allowed = current->cpus_allowed;
+
+        /* Save the current cpu id for spu interrupt routing. */
+        ctx->last_ran = raw_smp_processor_id();
 }
 
 void spu_update_sched_info(struct spu_context *ctx)
@@ -243,7 +246,6 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx)
         spu_switch_log_notify(spu, ctx, SWITCH_LOG_START, 0);
         spu_restore(&ctx->csa, spu);
         spu->timestamp = jiffies;
-        spu_cpu_affinity_set(spu, raw_smp_processor_id());
         spu_switch_notify(spu, ctx);
         ctx->state = SPU_STATE_RUNNABLE;
 
@@ -657,7 +659,8 @@ static struct spu *find_victim(struct spu_context *ctx)
 
                         victim->stats.invol_ctx_switch++;
                         spu->stats.invol_ctx_switch++;
-                        spu_add_to_rq(victim);
+                        if (test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
+                                spu_add_to_rq(victim);
 
                         mutex_unlock(&victim->state_mutex);
 
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 7312745b7540..454c277c1457 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -121,6 +121,7 @@ struct spu_context {
         cpumask_t cpus_allowed;
         int policy;
         int prio;
+        int last_ran;
 
         /* statistics */
         struct {
@@ -331,7 +332,7 @@ size_t spu_ibox_read(struct spu_context *ctx, u32 *data);
 /* irq callback funcs. */
 void spufs_ibox_callback(struct spu *spu);
 void spufs_wbox_callback(struct spu *spu);
-void spufs_stop_callback(struct spu *spu);
+void spufs_stop_callback(struct spu *spu, int irq);
 void spufs_mfc_callback(struct spu *spu);
 void spufs_dma_callback(struct spu *spu, int type);
 
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index d2a1249d36dd..3df9a36eb2f5 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -132,6 +132,14 @@ static inline void disable_interrupts(struct spu_state *csa, struct spu *spu)
         spu_int_mask_set(spu, 2, 0ul);
         eieio();
         spin_unlock_irq(&spu->register_lock);
+
+        /*
+         * This flag needs to be set before calling synchronize_irq so
+         * that the update will be visible to the relevant handlers
+         * via a simple load.
+         */
+        set_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
+        clear_bit(SPU_CONTEXT_FAULT_PENDING, &spu->flags);
         synchronize_irq(spu->irqs[0]);
         synchronize_irq(spu->irqs[1]);
         synchronize_irq(spu->irqs[2]);
@@ -166,9 +174,8 @@ static inline void set_switch_pending(struct spu_state *csa, struct spu *spu)
         /* Save, Step 7:
          * Restore, Step 5:
          *     Set a software context switch pending flag.
+         *     Done above in Step 3 - disable_interrupts().
          */
-        set_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
-        mb();
 }
 
 static inline void save_mfc_cntl(struct spu_state *csa, struct spu *spu)
@@ -186,20 +193,21 @@ static inline void save_mfc_cntl(struct spu_state *csa, struct spu *spu)
                                  MFC_CNTL_SUSPEND_COMPLETE);
                 /* fall through */
         case MFC_CNTL_SUSPEND_COMPLETE:
-                if (csa) {
+                if (csa)
                         csa->priv2.mfc_control_RW =
-                                MFC_CNTL_SUSPEND_MASK |
+                                in_be64(&priv2->mfc_control_RW) |
                                 MFC_CNTL_SUSPEND_DMA_QUEUE;
-                }
                 break;
         case MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION:
                 out_be64(&priv2->mfc_control_RW, MFC_CNTL_SUSPEND_DMA_QUEUE);
                 POLL_WHILE_FALSE((in_be64(&priv2->mfc_control_RW) &
                                   MFC_CNTL_SUSPEND_DMA_STATUS_MASK) ==
                                  MFC_CNTL_SUSPEND_COMPLETE);
-                if (csa) {
-                        csa->priv2.mfc_control_RW = 0;
-                }
+                if (csa)
+                        csa->priv2.mfc_control_RW =
+                                in_be64(&priv2->mfc_control_RW) &
+                                ~MFC_CNTL_SUSPEND_DMA_QUEUE &
+                                ~MFC_CNTL_SUSPEND_MASK;
                 break;
         }
 }
@@ -249,16 +257,21 @@ static inline void save_spu_status(struct spu_state *csa, struct spu *spu)
         }
 }
 
-static inline void save_mfc_decr(struct spu_state *csa, struct spu *spu)
+static inline void save_mfc_stopped_status(struct spu_state *csa,
+                struct spu *spu)
 {
         struct spu_priv2 __iomem *priv2 = spu->priv2;
+        const u64 mask = MFC_CNTL_DECREMENTER_RUNNING |
+                        MFC_CNTL_DMA_QUEUES_EMPTY;
 
         /* Save, Step 12:
          *     Read MFC_CNTL[Ds].  Update saved copy of
          *     CSA.MFC_CNTL[Ds].
+         *
+         * update: do the same with MFC_CNTL[Q].
          */
-        csa->priv2.mfc_control_RW |=
-                in_be64(&priv2->mfc_control_RW) & MFC_CNTL_DECREMENTER_RUNNING;
+        csa->priv2.mfc_control_RW &= ~mask;
+        csa->priv2.mfc_control_RW |= in_be64(&priv2->mfc_control_RW) & mask;
 }
 
 static inline void halt_mfc_decr(struct spu_state *csa, struct spu *spu)
@@ -462,7 +475,9 @@ static inline void purge_mfc_queue(struct spu_state *csa, struct spu *spu)
          * Restore, Step 14.
          *     Write MFC_CNTL[Pc]=1 (purge queue).
          */
-        out_be64(&priv2->mfc_control_RW, MFC_CNTL_PURGE_DMA_REQUEST);
+        out_be64(&priv2->mfc_control_RW,
+                        MFC_CNTL_PURGE_DMA_REQUEST |
+                        MFC_CNTL_SUSPEND_MASK);
         eieio();
 }
 
@@ -725,10 +740,14 @@ static inline void set_switch_active(struct spu_state *csa, struct spu *spu)
         /* Save, Step 48:
          * Restore, Step 23.
          *     Change the software context switch pending flag
-         *     to context switch active.
+         *     to context switch active.  This implementation does
+         *     not uses a switch active flag.
          *
-         *     This implementation does not uses a switch active flag.
+         * Now that we have saved the mfc in the csa, we can add in the
+         * restart command if an exception occurred.
          */
+        if (test_bit(SPU_CONTEXT_FAULT_PENDING, &spu->flags))
+                csa->priv2.mfc_control_RW |= MFC_CNTL_RESTART_DMA_COMMAND;
         clear_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
         mb();
 }
@@ -1690,6 +1709,13 @@ static inline void restore_mfc_sr1(struct spu_state *csa, struct spu *spu)
         eieio();
 }
 
+static inline void set_int_route(struct spu_state *csa, struct spu *spu)
+{
+        struct spu_context *ctx = spu->ctx;
+
+        spu_cpu_affinity_set(spu, ctx->last_ran);
+}
+
 static inline void restore_other_spu_access(struct spu_state *csa,
                                             struct spu *spu)
 {
@@ -1721,15 +1747,15 @@ static inline void restore_mfc_cntl(struct spu_state *csa, struct spu *spu)
          */
         out_be64(&priv2->mfc_control_RW, csa->priv2.mfc_control_RW);
         eieio();
+
         /*
-         * FIXME: this is to restart a DMA that we were processing
-         *        before the save. better remember the fault information
-         *        in the csa instead.
+         * The queue is put back into the same state that was evident prior to
+         * the context switch. The suspend flag is added to the saved state in
+         * the csa, if the operational state was suspending or suspended. In
+         * this case, the code that suspended the mfc is responsible for
+         * continuing it. Note that SPE faults do not change the operational
+         * state of the spu.
          */
-        if ((csa->priv2.mfc_control_RW & MFC_CNTL_SUSPEND_DMA_QUEUE_MASK)) {
-                out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESTART_DMA_COMMAND);
-                eieio();
-        }
 }
 
 static inline void enable_user_access(struct spu_state *csa, struct spu *spu)
@@ -1788,7 +1814,7 @@ static int quiece_spu(struct spu_state *prev, struct spu *spu)
         save_spu_runcntl(prev, spu);            /* Step 9. */
         save_mfc_sr1(prev, spu);                /* Step 10. */
         save_spu_status(prev, spu);             /* Step 11. */
-        save_mfc_decr(prev, spu);               /* Step 12. */
+        save_mfc_stopped_status(prev, spu);     /* Step 12. */
         halt_mfc_decr(prev, spu);               /* Step 13. */
         save_timebase(prev, spu);               /* Step 14. */
         remove_other_spu_access(prev, spu);     /* Step 15. */
@@ -2000,6 +2026,7 @@ static void restore_csa(struct spu_state *next, struct spu *spu)
         check_ppuint_mb_stat(next, spu);        /* Step 67. */
         spu_invalidate_slbs(spu);               /* Modified Step 68. */
         restore_mfc_sr1(next, spu);             /* Step 69. */
+        set_int_route(next, spu);               /* NEW      */
         restore_other_spu_access(next, spu);    /* Step 70. */
         restore_spu_runcntl(next, spu);         /* Step 71. */
         restore_mfc_cntl(next, spu);            /* Step 72. */
diff --git a/arch/powerpc/platforms/chrp/pegasos_eth.c b/arch/powerpc/platforms/chrp/pegasos_eth.c
index 5bcc58d9a4dd..130ff72d99dd 100644
--- a/arch/powerpc/platforms/chrp/pegasos_eth.c
+++ b/arch/powerpc/platforms/chrp/pegasos_eth.c
@@ -58,7 +58,9 @@ static struct resource mv643xx_eth0_resources[] = {
 
 
 static struct mv643xx_eth_platform_data eth0_pd = {
+        .shared         = &mv643xx_eth_shared_device,
         .port_number    = 0,
+
         .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH0,
         .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE,
         .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16,
@@ -88,7 +90,9 @@ static struct resource mv643xx_eth1_resources[] = {
 };
 
 static struct mv643xx_eth_platform_data eth1_pd = {
+        .shared         = &mv643xx_eth_shared_device,
         .port_number    = 1,
+
         .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH1,
         .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE,
         .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16,
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index bec3803f0618..417eca79df69 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -55,11 +55,6 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
         dp = PDE(inode);
         data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: read failed no data\n");
-                return -EIO;
-        }
-
         if (count > RTAS_DATA_BUF_SIZE)
                 count = RTAS_DATA_BUF_SIZE;
 
@@ -146,11 +141,6 @@ static int scanlog_open(struct inode * inode, struct file * file)
         struct proc_dir_entry *dp = PDE(inode);
         unsigned int *data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: open failed no data\n");
-                return -EIO;
-        }
-
         if (data[0] != 0) {
                 /* This imperfect test stops a second copy of the
                  * data (or a reset while data is being copied)
@@ -168,10 +158,6 @@ static int scanlog_release(struct inode * inode, struct file * file)
         struct proc_dir_entry *dp = PDE(inode);
         unsigned int *data = (unsigned int *)dp->data;
 
-        if (!data) {
-                printk(KERN_ERR "scanlog: release failed no data\n");
-                return -EIO;
-        }
         data[0] = 0;
 
         return 0;
@@ -200,12 +186,11 @@ static int __init scanlog_init(void)
         if (!data)
                 goto err;
 
-        ent = proc_create("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
-                          &scanlog_fops);
+        ent = proc_create_data("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
+                               &scanlog_fops, data);
         if (!ent)
                 goto err;
 
-        ent->data = data;
         proc_ppc64_scan_log_dump = ent;
 
         return 0;
diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c
index 41af1223e2a0..a132e0de8ca5 100644
--- a/arch/powerpc/sysdev/mv64x60_dev.c
+++ b/arch/powerpc/sysdev/mv64x60_dev.c
@@ -239,6 +239,8 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id,
 
         memset(&pdata, 0, sizeof(pdata));
 
+        pdata.shared = shared_pdev;
+
         prop = of_get_property(np, "reg", NULL);
         if (!prop)
                 return -ENODEV;
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 1814adbd2236..b4a54c52e880 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -1387,28 +1387,59 @@ static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
         resource_size_t size = res->end - res->start + 1;
         u64 sa;
 
-        /* Calculate window size */
-        sa = (0xffffffffffffffffull << ilog2(size));;
-        if (res->flags & IORESOURCE_PREFETCH)
-                sa |= 0x8;
+        if (port->endpoint) {
+                resource_size_t ep_addr = 0;
+                resource_size_t ep_size = 32 << 20;
+
+                /* Currently we map a fixed 64MByte window to PLB address
+                 * 0 (SDRAM). This should probably be configurable via a dts
+                 * property.
+                 */
+
+                /* Calculate window size */
+                sa = (0xffffffffffffffffull << ilog2(ep_size));;
+
+                /* Setup BAR0 */
+                out_le32(mbase + PECFG_BAR0HMPA, RES_TO_U32_HIGH(sa));
+                out_le32(mbase + PECFG_BAR0LMPA, RES_TO_U32_LOW(sa) |
+                         PCI_BASE_ADDRESS_MEM_TYPE_64);
 
-        out_le32(mbase + PECFG_BAR0HMPA, RES_TO_U32_HIGH(sa));
-        out_le32(mbase + PECFG_BAR0LMPA, RES_TO_U32_LOW(sa));
+                /* Disable BAR1 & BAR2 */
+                out_le32(mbase + PECFG_BAR1MPA, 0);
+                out_le32(mbase + PECFG_BAR2HMPA, 0);
+                out_le32(mbase + PECFG_BAR2LMPA, 0);
 
-        /* The setup of the split looks weird to me ... let's see if it works */
-        out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
-        out_le32(mbase + PECFG_PIM0LAH, 0x00000000);
-        out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
-        out_le32(mbase + PECFG_PIM1LAH, 0x00000000);
-        out_le32(mbase + PECFG_PIM01SAH, 0xffff0000);
-        out_le32(mbase + PECFG_PIM01SAL, 0x00000000);
+                out_le32(mbase + PECFG_PIM01SAH, RES_TO_U32_HIGH(sa));
+                out_le32(mbase + PECFG_PIM01SAL, RES_TO_U32_LOW(sa));
+
+                out_le32(mbase + PCI_BASE_ADDRESS_0, RES_TO_U32_LOW(ep_addr));
+                out_le32(mbase + PCI_BASE_ADDRESS_1, RES_TO_U32_HIGH(ep_addr));
+        } else {
+                /* Calculate window size */
+                sa = (0xffffffffffffffffull << ilog2(size));;
+                if (res->flags & IORESOURCE_PREFETCH)
+                        sa |= 0x8;
+
+                out_le32(mbase + PECFG_BAR0HMPA, RES_TO_U32_HIGH(sa));
+                out_le32(mbase + PECFG_BAR0LMPA, RES_TO_U32_LOW(sa));
+
+                /* The setup of the split looks weird to me ... let's see
+                 * if it works
+                 */
+                out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
+                out_le32(mbase + PECFG_PIM0LAH, 0x00000000);
+                out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
+                out_le32(mbase + PECFG_PIM1LAH, 0x00000000);
+                out_le32(mbase + PECFG_PIM01SAH, 0xffff0000);
+                out_le32(mbase + PECFG_PIM01SAL, 0x00000000);
+
+                out_le32(mbase + PCI_BASE_ADDRESS_0, RES_TO_U32_LOW(res->start));
+                out_le32(mbase + PCI_BASE_ADDRESS_1, RES_TO_U32_HIGH(res->start));
+        }
 
         /* Enable inbound mapping */
         out_le32(mbase + PECFG_PIMEN, 0x1);
 
-        out_le32(mbase + PCI_BASE_ADDRESS_0, RES_TO_U32_LOW(res->start));
-        out_le32(mbase + PCI_BASE_ADDRESS_1, RES_TO_U32_HIGH(res->start));
-
         /* Enable I/O, Mem, and Busmaster cycles */
         out_le16(mbase + PCI_COMMAND,
                  in_le16(mbase + PCI_COMMAND) |
@@ -1422,13 +1453,8 @@ static void __init ppc4xx_pciex_port_setup_hose(struct ppc4xx_pciex_port *port)
         const int *bus_range;
         int primary = 0, busses;
         void __iomem *mbase = NULL, *cfg_data = NULL;
-
-        /* XXX FIXME: Handle endpoint mode properly */
-        if (port->endpoint) {
-                printk(KERN_WARNING "PCIE%d: Port in endpoint mode !\n",
-                       port->index);
-                return;
-        }
+        const u32 *pval;
+        u32 val;
 
         /* Check if primary bridge */
         if (of_get_property(port->node, "primary", NULL))
@@ -1462,21 +1488,30 @@ static void __init ppc4xx_pciex_port_setup_hose(struct ppc4xx_pciex_port *port)
                 hose->last_busno = hose->first_busno + busses;
         }
 
-        /* We map the external config space in cfg_data and the host config
-         * space in cfg_addr. External space is 1M per bus, internal space
-         * is 4K
+        if (!port->endpoint) {
+                /* Only map the external config space in cfg_data for
+                 * PCIe root-complexes. External space is 1M per bus
+                 */
+                cfg_data = ioremap(port->cfg_space.start +
+                                   (hose->first_busno + 1) * 0x100000,
+                                   busses * 0x100000);
+                if (cfg_data == NULL) {
+                        printk(KERN_ERR "%s: Can't map external config space !",
+                               port->node->full_name);
+                        goto fail;
+                }
+                hose->cfg_data = cfg_data;
+        }
+
+        /* Always map the host config space in cfg_addr.
+         * Internal space is 4K
          */
-        cfg_data = ioremap(port->cfg_space.start +
-                                 (hose->first_busno + 1) * 0x100000,
-                                 busses * 0x100000);
         mbase = ioremap(port->cfg_space.start + 0x10000000, 0x1000);
-        if (cfg_data == NULL || mbase == NULL) {
-                printk(KERN_ERR "%s: Can't map config space !",
+        if (mbase == NULL) {
+                printk(KERN_ERR "%s: Can't map internal config space !",
                        port->node->full_name);
                 goto fail;
         }
-
-        hose->cfg_data = cfg_data;
         hose->cfg_addr = mbase;
 
         pr_debug("PCIE %s, bus %d..%d\n", port->node->full_name,
@@ -1489,12 +1524,14 @@ static void __init ppc4xx_pciex_port_setup_hose(struct ppc4xx_pciex_port *port)
         port->hose = hose;
         mbase = (void __iomem *)hose->cfg_addr;
 
-        /*
-         * Set bus numbers on our root port
-         */
-        out_8(mbase + PCI_PRIMARY_BUS, hose->first_busno);
-        out_8(mbase + PCI_SECONDARY_BUS, hose->first_busno + 1);
-        out_8(mbase + PCI_SUBORDINATE_BUS, hose->last_busno);
+        if (!port->endpoint) {
+                /*
+                 * Set bus numbers on our root port
+                 */
+                out_8(mbase + PCI_PRIMARY_BUS, hose->first_busno);
+                out_8(mbase + PCI_SECONDARY_BUS, hose->first_busno + 1);
+                out_8(mbase + PCI_SUBORDINATE_BUS, hose->last_busno);
+        }
 
         /*
          * OMRs are already reset, also disable PIMs
@@ -1515,17 +1552,49 @@ static void __init ppc4xx_pciex_port_setup_hose(struct ppc4xx_pciex_port *port)
         ppc4xx_configure_pciex_PIMs(port, hose, mbase, &dma_window);
 
         /* The root complex doesn't show up if we don't set some vendor
-         * and device IDs into it. Those are the same bogus one that the
-         * initial code in arch/ppc add. We might want to change that.
+         * and device IDs into it. The defaults below are the same bogus
+         * one that the initial code in arch/ppc had. This can be
+         * overwritten by setting the "vendor-id/device-id" properties
+         * in the pciex node.
          */
-        out_le16(mbase + 0x200, 0xaaa0 + port->index);
-        out_le16(mbase + 0x202, 0xbed0 + port->index);
 
-        /* Set Class Code to PCI-PCI bridge and Revision Id to 1 */
-        out_le32(mbase + 0x208, 0x06040001);
+        /* Get the (optional) vendor-/device-id from the device-tree */
+        pval = of_get_property(port->node, "vendor-id", NULL);
+        if (pval) {
+                val = *pval;
+        } else {
+                if (!port->endpoint)
+                        val = 0xaaa0 + port->index;
+                else
+                        val = 0xeee0 + port->index;
+        }
+        out_le16(mbase + 0x200, val);
+
+        pval = of_get_property(port->node, "device-id", NULL);
+        if (pval) {
+                val = *pval;
+        } else {
+                if (!port->endpoint)
+                        val = 0xbed0 + port->index;
+                else
+                        val = 0xfed0 + port->index;
+        }
+        out_le16(mbase + 0x202, val);
+
+        if (!port->endpoint) {
+                /* Set Class Code to PCI-PCI bridge and Revision Id to 1 */
+                out_le32(mbase + 0x208, 0x06040001);
+
+                printk(KERN_INFO "PCIE%d: successfully set as root-complex\n",
+                       port->index);
+        } else {
+                /* Set Class Code to Processor/PPC */
+                out_le32(mbase + 0x208, 0x0b200001);
+
+                printk(KERN_INFO "PCIE%d: successfully set as endpoint\n",
+                       port->index);
+        }
 
-        printk(KERN_INFO "PCIE%d: successfully set as root-complex\n",
-               port->index);
         return;
  fail:
         if (hose)
@@ -1542,6 +1611,7 @@ static void __init ppc4xx_probe_pciex_bridge(struct device_node *np)
         const u32 *pval;
         int portno;
         unsigned int dcrs;
+        const char *val;
 
         /* First, proceed to core initialization as we assume there's
          * only one PCIe core in the system
@@ -1573,8 +1643,20 @@ static void __init ppc4xx_probe_pciex_bridge(struct device_node *np)
         }
         port->sdr_base = *pval;
 
-        /* XXX Currently, we only support root complex mode */
-        port->endpoint = 0;
+        /* Check if device_type property is set to "pci" or "pci-endpoint".
+         * Resulting from this setup this PCIe port will be configured
+         * as root-complex or as endpoint.
+         */
+        val = of_get_property(port->node, "device_type", NULL);
+        if (!strcmp(val, "pci-endpoint")) {
+                port->endpoint = 1;
+        } else if (!strcmp(val, "pci")) {
+                port->endpoint = 0;
+        } else {
+                printk(KERN_ERR "PCIE: missing or incorrect device_type for %s\n",
+                       np->full_name);
+                return;
+        }
 
         /* Fetch config space registers address */
         if (of_address_to_resource(np, 0, &port->cfg_space)) {
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 52c74780f403..1702de9395ee 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2842,9 +2842,11 @@ static void dump_spu_fields(struct spu *spu)
         DUMP_FIELD(spu, "0x%lx", ls_size);
         DUMP_FIELD(spu, "0x%x", node);
         DUMP_FIELD(spu, "0x%lx", flags);
-        DUMP_FIELD(spu, "0x%lx", dar);
-        DUMP_FIELD(spu, "0x%lx", dsisr);
         DUMP_FIELD(spu, "%d", class_0_pending);
+        DUMP_FIELD(spu, "0x%lx", class_0_dar);
+        DUMP_FIELD(spu, "0x%lx", class_0_dsisr);
+        DUMP_FIELD(spu, "0x%lx", class_1_dar);
+        DUMP_FIELD(spu, "0x%lx", class_1_dsisr);
         DUMP_FIELD(spu, "0x%lx", irqs[0]);
         DUMP_FIELD(spu, "0x%lx", irqs[1]);
         DUMP_FIELD(spu, "0x%lx", irqs[2]);
diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index 8df7f0e4c3a6..2352d139b262 100644
--- a/arch/ppc/Makefile
+++ b/arch/ppc/Makefile
@@ -43,7 +43,7 @@ KBUILD_AFLAGS += $(cpu-as-y)
 KBUILD_CFLAGS += $(cpu-as-y)
 
 # Default to the common case.
-KBUILD_DEFCONFIG := common_defconfig
+KBUILD_DEFCONFIG := ebony_defconfig
 
 head-y                          := arch/ppc/kernel/head.o
 head-$(CONFIG_8xx)              := arch/ppc/kernel/head_8xx.o
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index 16ac11ca7ba0..602c268fc8a2 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -24,6 +24,7 @@
 #include <asm/checksum.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
 #include <linux/adb.h>
 #include <linux/cuda.h>
 #include <linux/pmu.h>
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index bfddfdee0b65..51e8094f52d6 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -36,6 +36,7 @@
 #include <asm/nvram.h>
 #include <asm/xmon.h>
 #include <asm/ocp.h>
+#include <asm/irq.h>
 
 #define USES_PPC_SYS (defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
                       defined(CONFIG_PPC_MPC52xx))
diff --git a/arch/ppc/platforms/residual.c b/arch/ppc/platforms/residual.c
index 18495e754e30..d687b0f8763b 100644
--- a/arch/ppc/platforms/residual.c
+++ b/arch/ppc/platforms/residual.c
@@ -38,6 +38,7 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
+#include <linux/proc_fs.h>
 
 #include <asm/sections.h>
 #include <asm/mmu.h>
diff --git a/arch/ppc/syslib/mv64x60.c b/arch/ppc/syslib/mv64x60.c
index 90fe904d3614..418f3053de52 100644
--- a/arch/ppc/syslib/mv64x60.c
+++ b/arch/ppc/syslib/mv64x60.c
@@ -341,6 +341,7 @@ static struct resource mv64x60_eth0_resources[] = {
 };
 
 static struct mv643xx_eth_platform_data eth0_pd = {
+        .shared         = &mv64x60_eth_shared_device;
         .port_number    = 0,
 };
 
@@ -366,6 +367,7 @@ static struct resource mv64x60_eth1_resources[] = {
 };
 
 static struct mv643xx_eth_platform_data eth1_pd = {
+        .shared         = &mv64x60_eth_shared_device;
         .port_number    = 1,
 };
 
@@ -391,6 +393,7 @@ static struct resource mv64x60_eth2_resources[] = {
 };
 
 static struct mv643xx_eth_platform_data eth2_pd = {
+        .shared         = &mv64x60_eth_shared_device;
         .port_number    = 2,
 };
 
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 29a7940f284f..1d035082e78e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -430,6 +430,13 @@ config CMM_IUCV
           Select this option to enable the special message interface to
           the cooperative memory management.
 
+config PAGE_STATES
+        bool "Unused page notification"
+        help
+          This enables the notification of unused pages to the
+          hypervisor. The ESSA instruction is used to do the states
+          changes between a page that has content and the unused state.
+
 config VIRT_TIMER
         bool "Virtual CPU timer support"
         help
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 743d54f0b8db..d003a6e16afb 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -121,7 +121,7 @@ sys32_ptrace_wrapper:
         lgfr    %r3,%r3                 # long
         llgtr   %r4,%r4                 # long
         llgfr   %r5,%r5                 # long
-        jg      sys_ptrace              # branch to system call
+        jg      compat_sys_ptrace       # branch to system call
 
         .globl  sys32_alarm_wrapper
 sys32_alarm_wrapper:
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index bdbb3bcd78a5..708cf9cf9a35 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -279,8 +279,6 @@ sysc_do_restart:
         st      %r2,SP_R2(%r15)   # store return value (change R2 on stack)
 
 sysc_return:
-        tm      SP_PSW+1(%r15),0x01     # returning to user ?
-        bno     BASED(sysc_restore)
         tm      __TI_flags+3(%r9),_TIF_WORK_SVC
         bnz     BASED(sysc_work)  # there is work to do (signals etc.)
 sysc_restore:
@@ -312,6 +310,8 @@ sysc_work_loop:
 # One of the work bits is on. Find out which one.
 #
 sysc_work:
+        tm      SP_PSW+1(%r15),0x01     # returning to user ?
+        bno     BASED(sysc_restore)
         tm      __TI_flags+3(%r9),_TIF_MCCK_PENDING
         bo      BASED(sysc_mcck_pending)
         tm      __TI_flags+3(%r9),_TIF_NEED_RESCHED
@@ -602,12 +602,6 @@ io_no_vtime:
         la      %r2,SP_PTREGS(%r15)     # address of register-save area
         basr    %r14,%r1                # branch to standard irq handler
 io_return:
-        tm      SP_PSW+1(%r15),0x01     # returning to user ?
-#ifdef CONFIG_PREEMPT
-        bno     BASED(io_preempt)       # no -> check for preemptive scheduling
-#else
-        bno     BASED(io_restore)       # no-> skip resched & signal
-#endif
         tm      __TI_flags+3(%r9),_TIF_WORK_INT
         bnz     BASED(io_work)          # there is work to do (signals etc.)
 io_restore:
@@ -629,10 +623,18 @@ io_restore_trace_psw:
         .long   0, io_restore_trace + 0x80000000
 #endif
 
-#ifdef CONFIG_PREEMPT
-io_preempt:
+#
+# switch to kernel stack, then check the TIF bits
+#
+io_work:
+        tm      SP_PSW+1(%r15),0x01     # returning to user ?
+#ifndef CONFIG_PREEMPT
+        bno     BASED(io_restore)       # no-> skip resched & signal
+#else
+        bnz     BASED(io_work_user)     # no -> check for preemptive scheduling
+        # check for preemptive scheduling
         icm     %r0,15,__TI_precount(%r9)
-        bnz     BASED(io_restore)
+        bnz     BASED(io_restore)       # preemption disabled
         l       %r1,SP_R15(%r15)
         s       %r1,BASED(.Lc_spsize)
         mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
@@ -646,10 +648,7 @@ io_resume_loop:
         br      %r1                     # call schedule
 #endif
 
-#
-# switch to kernel stack, then check the TIF bits
-#
-io_work:
+io_work_user:
         l       %r1,__LC_KERNEL_STACK
         s       %r1,BASED(.Lc_spsize)
         mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 5a4a7bcd2bba..fee10177dbfc 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -271,8 +271,6 @@ sysc_noemu:
         stg     %r2,SP_R2(%r15) # store return value (change R2 on stack)
 
 sysc_return:
-        tm      SP_PSW+1(%r15),0x01     # returning to user ?
-        jno     sysc_restore
         tm      __TI_flags+7(%r9),_TIF_WORK_SVC
         jnz     sysc_work       # there is work to do (signals etc.)
 sysc_restore:
@@ -304,6 +302,8 @@ sysc_work_loop:
 # One of the work bits is on. Find out which one.
 #
 sysc_work:
+        tm      SP_PSW+1(%r15),0x01     # returning to user ?
+        jno     sysc_restore
         tm      __TI_flags+7(%r9),_TIF_MCCK_PENDING
         jo      sysc_mcck_pending
         tm      __TI_flags+7(%r9),_TIF_NEED_RESCHED
@@ -585,12 +585,6 @@ io_no_vtime:
         la      %r2,SP_PTREGS(%r15)     # address of register-save area
         brasl   %r14,do_IRQ             # call standard irq handler
 io_return:
-        tm      SP_PSW+1(%r15),0x01     # returning to user ?
-#ifdef CONFIG_PREEMPT
-        jno     io_preempt              # no -> check for preemptive scheduling
-#else
-        jno     io_restore              # no-> skip resched & signal
-#endif
         tm      __TI_flags+7(%r9),_TIF_WORK_INT
         jnz     io_work                 # there is work to do (signals etc.)
 io_restore:
@@ -612,10 +606,41 @@ io_restore_trace_psw:
         .quad   0, io_restore_trace
 #endif
 
-#ifdef CONFIG_PREEMPT
-io_preempt:
+#
+# There is work todo, we need to check if we return to userspace, then
+# check, if we are in SIE, if yes leave it
+#
+io_work:
+        tm      SP_PSW+1(%r15),0x01     # returning to user ?
+#ifndef CONFIG_PREEMPT
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+        jnz     io_work_user            # yes -> no need to check for SIE
+        la      %r1, BASED(sie_opcode)  # we return to kernel here
+        lg      %r2, SP_PSW+8(%r15)
+        clc     0(2,%r1), 0(%r2)        # is current instruction = SIE?
+        jne     io_restore              # no-> return to kernel
+        lg      %r1, SP_PSW+8(%r15)     # yes-> add 4 bytes to leave SIE
+        aghi    %r1, 4
+        stg     %r1, SP_PSW+8(%r15)
+        j       io_restore              # return to kernel
+#else
+        jno     io_restore              # no-> skip resched & signal
+#endif
+#else
+        jnz     io_work_user            # yes -> do resched & signal
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+        la      %r1, BASED(sie_opcode)
+        lg      %r2, SP_PSW+8(%r15)
+        clc     0(2,%r1), 0(%r2)        # is current instruction = SIE?
+        jne     0f                      # no -> leave PSW alone
+        lg      %r1, SP_PSW+8(%r15)     # yes-> add 4 bytes to leave SIE
+        aghi    %r1, 4
+        stg     %r1, SP_PSW+8(%r15)
+0:
+#endif
+        # check for preemptive scheduling
         icm     %r0,15,__TI_precount(%r9)
-        jnz     io_restore
+        jnz     io_restore              # preemption is disabled
         # switch to kernel stack
         lg      %r1,SP_R15(%r15)
         aghi    %r1,-SP_SIZE
@@ -629,10 +654,7 @@ io_resume_loop:
         jg      preempt_schedule_irq
 #endif
 
-#
-# switch to kernel stack, then check TIF bits
-#
-io_work:
+io_work_user:
         lg      %r1,__LC_KERNEL_STACK
         aghi    %r1,-SP_SIZE
         mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
@@ -653,6 +675,11 @@ io_work_loop:
         j       io_restore
 io_work_done:
 
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+sie_opcode:
+        .long 0xb2140000
+#endif
+
 #
 # _TIF_MCCK_PENDING is set, call handler
 #
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 7f4270163744..35827b9bd4d1 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -292,8 +292,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
         return 0;
 }
 
-static int
-do_ptrace_normal(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
         ptrace_area parea; 
         int copied, ret;
@@ -529,35 +528,19 @@ poke_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
         return 0;
 }
 
-static int
-do_ptrace_emu31(struct task_struct *child, long request, long addr, long data)
+long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+                        compat_ulong_t caddr, compat_ulong_t cdata)
 {
-        unsigned int tmp;  /* 4 bytes !! */
+        unsigned long addr = caddr;
+        unsigned long data = cdata;
         ptrace_area_emu31 parea; 
         int copied, ret;
 
         switch (request) {
-        case PTRACE_PEEKTEXT:
-        case PTRACE_PEEKDATA:
-                /* read word at location addr. */
-                copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-                if (copied != sizeof(tmp))
-                        return -EIO;
-                return put_user(tmp, (unsigned int __force __user *) data);
-
         case PTRACE_PEEKUSR:
                 /* read the word at location addr in the USER area. */
                 return peek_user_emu31(child, addr, data);
 
-        case PTRACE_POKETEXT:
-        case PTRACE_POKEDATA:
-                /* write the word at location addr. */
-                tmp = data;
-                copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 1);
-                if (copied != sizeof(tmp))
-                        return -EIO;
-                return 0;
-
         case PTRACE_POKEUSR:
                 /* write the word at location addr in the USER area */
                 return poke_user_emu31(child, addr, data);
@@ -587,82 +570,11 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data)
                         copied += sizeof(unsigned int);
                 }
                 return 0;
-        case PTRACE_GETEVENTMSG:
-                return put_user((__u32) child->ptrace_message,
-                                (unsigned int __force __user *) data);
-        case PTRACE_GETSIGINFO:
-                if (child->last_siginfo == NULL)
-                        return -EINVAL;
-                return copy_siginfo_to_user32((compat_siginfo_t
-                                               __force __user *) data,
-                                              child->last_siginfo);
-        case PTRACE_SETSIGINFO:
-                if (child->last_siginfo == NULL)
-                        return -EINVAL;
-                return copy_siginfo_from_user32(child->last_siginfo,
-                                                (compat_siginfo_t
-                                                 __force __user *) data);
         }
-        return ptrace_request(child, request, addr, data);
+        return compat_ptrace_request(child, request, addr, data);
 }
 #endif
 
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
-{
-        switch (request) {
-        case PTRACE_SYSCALL:
-                /* continue and stop at next (return from) syscall */
-        case PTRACE_CONT:
-                /* restart after signal. */
-                if (!valid_signal(data))
-                        return -EIO;
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                /* make sure the single step bit is not set. */
-                user_disable_single_step(child);
-                wake_up_process(child);
-                return 0;
-
-        case PTRACE_KILL:
-                /*
-                 * make the child exit.  Best I can do is send it a sigkill. 
-                 * perhaps it should be put in the status that it wants to 
-                 * exit.
-                 */
-                if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                        return 0;
-                child->exit_code = SIGKILL;
-                /* make sure the single step bit is not set. */
-                user_disable_single_step(child);
-                wake_up_process(child);
-                return 0;
-
-        case PTRACE_SINGLESTEP:
-                /* set the trap flag. */
-                if (!valid_signal(data))
-                        return -EIO;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                user_enable_single_step(child);
-                /* give it a chance to run. */
-                wake_up_process(child);
-                return 0;
-
-        /* Do requests that differ for 31/64 bit */
-        default:
-#ifdef CONFIG_COMPAT
-                if (test_thread_flag(TIF_31BIT))
-                        return do_ptrace_emu31(child, request, addr, data);
-#endif
-                return do_ptrace_normal(child, request, addr, data);
-        }
-        /* Not reached.  */
-        return -EIO;
-}
-
 asmlinkage void
 syscall_trace(struct pt_regs *regs, int entryexit)
 {
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index 1761b74d639b..e051cad1f1e0 100644
--- a/arch/s390/kvm/Kconfig
+++ b/arch/s390/kvm/Kconfig
@@ -22,7 +22,6 @@ config KVM
         select PREEMPT_NOTIFIERS
         select ANON_INODES
         select S390_SWITCH_AMODE
-        select PREEMPT
         ---help---
           Support hosting paravirtualized guest machines using the SIE
           virtualization capability on the mainframe. This should work
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 349581a26103..47a0b642174c 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -105,6 +105,9 @@ static intercept_handler_t instruction_handlers[256] = {
 static int handle_noop(struct kvm_vcpu *vcpu)
 {
         switch (vcpu->arch.sie_block->icptcode) {
+        case 0x0:
+                vcpu->stat.exit_null++;
+                break;
         case 0x10:
                 vcpu->stat.exit_external_request++;
                 break;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 98d1e73e01f1..0ac36a649eba 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -31,6 +31,7 @@
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
         { "userspace_handled", VCPU_STAT(exit_userspace) },
+        { "exit_null", VCPU_STAT(exit_null) },
         { "exit_validity", VCPU_STAT(exit_validity) },
         { "exit_stop_request", VCPU_STAT(exit_stop_request) },
         { "exit_external_request", VCPU_STAT(exit_external_request) },
@@ -221,10 +222,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
         vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK;
         restore_fp_regs(&vcpu->arch.guest_fpregs);
         restore_access_regs(vcpu->arch.guest_acrs);
-
-        if (signal_pending(current))
-                atomic_set_mask(CPUSTAT_STOP_INT,
-                        &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
diff --git a/arch/s390/mm/Makefile b/arch/s390/mm/Makefile
index fb988a48a754..2a7458134544 100644
--- a/arch/s390/mm/Makefile
+++ b/arch/s390/mm/Makefile
@@ -5,3 +5,4 @@
 obj-y    := init.o fault.o extmem.o mmap.o vmem.o pgtable.o
 obj-$(CONFIG_CMM) += cmm.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
+obj-$(CONFIG_PAGE_STATES) += page-states.o
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index fa31de6ae97a..29f3a63806b9 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -126,6 +126,9 @@ void __init mem_init(void)
         /* clear the zero-page */
         memset(empty_zero_page, 0, PAGE_SIZE);
 
+        /* Setup guest page hinting */
+        cmma_init();
+
         /* this will put all low memory onto the freelists */
         totalram_pages += free_all_bootmem();
 
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
new file mode 100644
index 000000000000..fc0ad73ffd90
--- /dev/null
+++ b/arch/s390/mm/page-states.c
@@ -0,0 +1,79 @@
+/*
+ * arch/s390/mm/page-states.c
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Guest page hinting for unused pages.
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#define ESSA_SET_STABLE         1
+#define ESSA_SET_UNUSED         2
+
+static int cmma_flag;
+
+static int __init cmma(char *str)
+{
+        char *parm;
+        parm = strstrip(str);
+        if (strcmp(parm, "yes") == 0 || strcmp(parm, "on") == 0) {
+                cmma_flag = 1;
+                return 1;
+        }
+        cmma_flag = 0;
+        if (strcmp(parm, "no") == 0 || strcmp(parm, "off") == 0)
+                return 1;
+        return 0;
+}
+
+__setup("cmma=", cmma);
+
+void __init cmma_init(void)
+{
+        register unsigned long tmp asm("0") = 0;
+        register int rc asm("1") = -EOPNOTSUPP;
+
+        if (!cmma_flag)
+                return;
+        asm volatile(
+                "       .insn rrf,0xb9ab0000,%1,%1,0,0\n"
+                "0:     la      %0,0\n"
+                "1:\n"
+                EX_TABLE(0b,1b)
+                : "+&d" (rc), "+&d" (tmp));
+        if (rc)
+                cmma_flag = 0;
+}
+
+void arch_free_page(struct page *page, int order)
+{
+        int i, rc;
+
+        if (!cmma_flag)
+                return;
+        for (i = 0; i < (1 << order); i++)
+                asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
+                             : "=&d" (rc)
+                             : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+                               "i" (ESSA_SET_UNUSED));
+}
+
+void arch_alloc_page(struct page *page, int order)
+{
+        int i, rc;
+
+        if (!cmma_flag)
+                return;
+        for (i = 0; i < (1 << order); i++)
+                asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
+                             : "=&d" (rc)
+                             : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+                               "i" (ESSA_SET_STABLE));
+}
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 6a679c3e15e8..8a68160079a9 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -448,14 +448,6 @@ config SH_DREAMCAST
           Select Dreamcast if configuring for a SEGA Dreamcast.
           More information at <http://www.linux-sh.org>
 
-config SH_MPC1211
-        bool "Interface MPC1211"
-        depends on CPU_SUBTYPE_SH7751 && BROKEN
-        help
-          CTP/PCI-SH02 is a CPU module computer that is produced
-          by Interface Corporation.
-          More information at <http://www.interface.co.jp>
-
 config SH_SH03
         bool "Interface CTP/PCI-SH03"
         depends on CPU_SUBTYPE_SH7751
@@ -657,8 +649,7 @@ source "arch/sh/drivers/Kconfig"
 endmenu
 
 config ISA_DMA_API
-        def_bool y
-        depends on SH_MPC1211
+        bool
 
 menu "Kernel features"
 
@@ -666,7 +657,7 @@ source kernel/Kconfig.hz
 
 config KEXEC
         bool "kexec system call (EXPERIMENTAL)"
-        depends on EXPERIMENTAL
+        depends on SUPERH32 && EXPERIMENTAL
         help
           kexec is a system call that implements the ability to shutdown your
           current kernel, and to start another kernel.  It is like a reboot
@@ -683,7 +674,7 @@ config KEXEC
 
 config CRASH_DUMP
         bool "kernel crash dumps (EXPERIMENTAL)"
-        depends on EXPERIMENTAL
+        depends on SUPERH32 && EXPERIMENTAL
         help
           Generate crash dump after being started by kexec.
           This should be normally only set in special crash dump kernels
@@ -763,7 +754,7 @@ menu "Boot options"
 
 config ZERO_PAGE_OFFSET
         hex "Zero page offset"
-        default "0x00004000" if SH_MPC1211 || SH_SH03
+        default "0x00004000" if SH_SH03
         default "0x00010000" if PAGE_SIZE_64KB
         default "0x00002000" if PAGE_SIZE_8KB
         default "0x00001000"
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index d9d28f9dd0db..0d2ef1e9a6fd 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -7,6 +7,7 @@ source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS
         bool "Use LinuxSH standard BIOS"
+        depends on SUPERH32
         help
           Say Y here if your target has the gdb-sh-stub
           package from www.m17n.org (or any conforming standard LinuxSH BIOS)
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index bb06f83e6239..8050b03d51fc 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -110,7 +110,6 @@ machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	+= se/7343
 machdir-$(CONFIG_SH_7721_SOLUTION_ENGINE)       += se/7721
 machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
 machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
-machdir-$(CONFIG_SH_MPC1211)                    += mpc1211
 machdir-$(CONFIG_SH_SH03)                       += sh03
 machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
 machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
diff --git a/arch/sh/boards/mpc1211/Makefile b/arch/sh/boards/mpc1211/Makefile
deleted file mode 100644
index 8cd31b5d200b..000000000000
--- a/arch/sh/boards/mpc1211/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for the Interface (CTP/PCI/MPC-SH02) specific parts of the kernel
-#
-
-obj-y    := setup.o rtc.o
-
-obj-$(CONFIG_PCI) += pci.o
-
diff --git a/arch/sh/boards/mpc1211/pci.c b/arch/sh/boards/mpc1211/pci.c
deleted file mode 100644
index 23849f70f133..000000000000
--- a/arch/sh/boards/mpc1211/pci.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- *      Low-Level PCI Support for the MPC-1211(CTP/PCI/MPC-SH02)
- *
- *  (c) 2002-2003 Saito.K & Jeanne
- *
- *  Dustin McIntire (dustin@sensoria.com)
- *      Derived from arch/i386/kernel/pci-*.c which bore the message:
- *      (c) 1999--2000 Martin Mares <mj@ucw.cz>
- *      
- *  May be copied or modified under the terms of the GNU General Public
- *  License.  See linux/COPYING for more information.
- *
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/errno.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-
-#include <asm/machvec.h>
-#include <asm/io.h>
-#include <asm/mpc1211/pci.h>
-
-static struct resource mpcpci_io_resource = {
-        "MPCPCI IO",
-        0x00000000,
-        0xffffffff,
-        IORESOURCE_IO
-};
-
-static struct resource mpcpci_mem_resource = {
-        "MPCPCI mem",
-        0x00000000,
-        0xffffffff,
-        IORESOURCE_MEM
-};
-
-static struct pci_ops pci_direct_conf1;
-struct pci_channel board_pci_channels[] = {
-        {&pci_direct_conf1, &mpcpci_io_resource, &mpcpci_mem_resource, 0, 256},
-        {NULL, NULL, NULL, 0, 0},
-};
-
-/*
- * Direct access to PCI hardware...
- */
-
-
-#define CONFIG_CMD(bus, devfn, where) (0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
-
-/*
- * Functions for accessing PCI configuration space with type 1 accesses
- */
-static int pci_conf1_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
-{
-        u32 word;
-        unsigned long flags;
-
-        /* 
-         * PCIPDR may only be accessed as 32 bit words, 
-         * so we must do byte alignment by hand 
-         */
-        local_irq_save(flags);
-        writel(CONFIG_CMD(bus,devfn,where), PCIPAR);
-        word = readl(PCIPDR);
-        local_irq_restore(flags);
-
-        switch (size) {
-        case 1:
-                switch (where & 0x3) {
-                case 3:
-                        *value = (u8)(word >> 24);
-                        break;
-                case 2:
-                        *value = (u8)(word >> 16);
-                        break;
-                case 1:
-                        *value = (u8)(word >> 8);
-                        break;
-                default:
-                        *value = (u8)word;
-                        break;
-                }
-                break;
-        case 2:
-                switch (where & 0x3) {
-                case 3:
-                        *value = (u16)(word >> 24);
-                        local_irq_save(flags);
-                        writel(CONFIG_CMD(bus,devfn,(where+1)), PCIPAR);
-                        word = readl(PCIPDR);
-                        local_irq_restore(flags);
-                        *value |= ((word & 0xff) << 8);
-                        break;
-                case 2:
-                        *value = (u16)(word >> 16);
-                        break;
-                case 1:
-                        *value = (u16)(word >> 8);
-                        break;
-                default:
-                        *value = (u16)word;
-                        break;
-                }
-                break;
-        case 4:
-                *value = word;
-                break;
-        }
-        PCIDBG(4,"pci_conf1_read@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),*value); 
-        return PCIBIOS_SUCCESSFUL;    
-}
-
-/* 
- * Since MPC-1211 only does 32bit access we'll have to do a read,mask,write operation.  
- * We'll allow an odd byte offset, though it should be illegal.
- */ 
-static int pci_conf1_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
-{
-        u32 word,mask = 0;
-        unsigned long flags;
-        u32 shift = (where & 3) * 8;
-
-        if(size == 1) {
-                mask = ((1 << 8) - 1) << shift;  // create the byte mask
-        } else if(size == 2){
-                if(shift == 24)
-                        return PCIBIOS_BAD_REGISTER_NUMBER;           
-                mask = ((1 << 16) - 1) << shift;  // create the word mask
-        }
-        local_irq_save(flags);
-        writel(CONFIG_CMD(bus,devfn,where), PCIPAR);
-        if(size == 4){
-                writel(value, PCIPDR);
-                local_irq_restore(flags);
-                PCIDBG(4,"pci_conf1_write@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),value);
-                return PCIBIOS_SUCCESSFUL;
-        }
-        word = readl(PCIPDR);
-        word &= ~mask;
-        word |= ((value << shift) & mask);
-        writel(word, PCIPDR);
-        local_irq_restore(flags);
-        PCIDBG(4,"pci_conf1_write@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),word);
-        return PCIBIOS_SUCCESSFUL;
-}
-
-#undef CONFIG_CMD
-
-static struct pci_ops pci_direct_conf1 = {
-        .read =         pci_conf1_read,
-        .write =        pci_conf1_write,
-};
-
-static void __devinit quirk_ali_ide_ports(struct pci_dev *dev)
-{
-        dev->resource[0].start = 0x1f0;
-        dev->resource[0].end   = 0x1f7;
-        dev->resource[0].flags = IORESOURCE_IO;
-        dev->resource[1].start = 0x3f6;
-        dev->resource[1].end   = 0x3f6;
-        dev->resource[1].flags = IORESOURCE_IO;
-        dev->resource[2].start = 0x170;
-        dev->resource[2].end   = 0x177;
-        dev->resource[2].flags = IORESOURCE_IO;
-        dev->resource[3].start = 0x376;
-        dev->resource[3].end   = 0x376;
-        dev->resource[3].flags = IORESOURCE_IO;
-        dev->resource[4].start = 0xf000;
-        dev->resource[4].end   = 0xf00f;
-        dev->resource[4].flags = IORESOURCE_IO;
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229, quirk_ali_ide_ports);
-
-char * __devinit pcibios_setup(char *str)
-{
-        return str;
-}
-
-/*
- *  Called after each bus is probed, but before its children
- *  are examined.
- */
-
-void __devinit pcibios_fixup_bus(struct pci_bus *b)
-{
-        pci_read_bridge_bases(b);
-}
-
-/* 
- *      IRQ functions 
- */
-static inline u8 bridge_swizzle(u8 pin, u8 slot)
-{
-        return (((pin-1) + slot) % 4) + 1;
-}
-
-static inline u8 bridge_swizzle_pci_1(u8 pin, u8 slot)
-{
-        return (((pin-1) - slot) & 3) + 1;
-}
-
-static u8 __init mpc1211_swizzle(struct pci_dev *dev, u8 *pinp)
-{
-        unsigned long flags;
-        u8 pin = *pinp;
-        u32 word;
-
-        for ( ; dev->bus->self; dev = dev->bus->self) {
-                if (!pin)
-                        continue;
-
-                if (dev->bus->number == 1) {
-                        local_irq_save(flags);
-                        writel(0x80000000 | 0x2c, PCIPAR);
-                        word = readl(PCIPDR);
-                        local_irq_restore(flags);
-                        word >>= 16;
-
-                        if (word == 0x0001)
-                                pin = bridge_swizzle_pci_1(pin, PCI_SLOT(dev->devfn));
-                        else
-                                pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
-                } else
-                        pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
-        }
-
-        *pinp = pin;
-
-        return PCI_SLOT(dev->devfn);
-}
-
-static int __init map_mpc1211_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-        int irq = -1;
-
-        /* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */
-        if (dev->bus->number == 0) {
-                switch (slot) {
-                case 13:   irq =  9; break;   /* USB */
-                case 22:   irq = 10; break;   /* LAN */
-                default:   irq =  0; break;
-                }
-        } else {
-                switch (pin) {
-                case 0:   irq =  0; break;
-                case 1:   irq =  7; break;
-                case 2:   irq =  9; break;
-                case 3:   irq = 10; break;
-                case 4:   irq = 11; break;
-                }
-        }
-
-        if( irq < 0 ) {
-                PCIDBG(3, "PCI: Error mapping IRQ on device %s\n", pci_name(dev));
-                return irq;
-        }
-        
-        PCIDBG(2, "Setting IRQ for slot %s to %d\n", pci_name(dev), irq);
-
-        return irq;
-}
-
-void __init pcibios_fixup_irqs(void)
-{
-        pci_fixup_irqs(mpc1211_swizzle, map_mpc1211_irq);
-}
-
-void pcibios_align_resource(void *data, struct resource *res,
-                            resource_size_t size, resource_size_t align)
-{
-        resource_size_t start = res->start;
-
-        if (res->flags & IORESOURCE_IO) {
-                if (start >= 0x10000UL) {
-                        if ((start & 0xffffUL) < 0x4000UL) {
-                                start = (start & 0xffff0000UL) + 0x4000UL;
-                        } else if ((start & 0xffffUL) >= 0xf000UL) {
-                                start = (start & 0xffff0000UL) + 0x10000UL;
-                        }
-                        res->start = start;
-                } else {
-                        if (start & 0x300) {
-                                start = (start + 0x3ff) & ~0x3ff;
-                                res->start = start;
-                        }
-                }
-        }
-}
-
diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c
deleted file mode 100644
index 03b123a4bba4..000000000000
--- a/arch/sh/boards/mpc1211/rtc.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * linux/arch/sh/kernel/rtc-mpc1211.c -- MPC-1211 on-chip RTC support
- *
- *  Copyright (C) 2002  Saito.K & Jeanne
- *
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-#include <linux/bcd.h>
-#include <linux/mc146818rtc.h>
-
-unsigned long get_cmos_time(void)
-{
-        unsigned int year, mon, day, hour, min, sec;
-
-        spin_lock(&rtc_lock);
-
-        do {
-                sec = CMOS_READ(RTC_SECONDS);
-                min = CMOS_READ(RTC_MINUTES);
-                hour = CMOS_READ(RTC_HOURS);
-                day = CMOS_READ(RTC_DAY_OF_MONTH);
-                mon = CMOS_READ(RTC_MONTH);
-                year = CMOS_READ(RTC_YEAR);
-        } while (sec != CMOS_READ(RTC_SECONDS));
-
-        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-                BCD_TO_BIN(sec);
-                BCD_TO_BIN(min);
-                BCD_TO_BIN(hour);
-                BCD_TO_BIN(day);
-                BCD_TO_BIN(mon);
-                BCD_TO_BIN(year);
-        }
-
-        spin_unlock(&rtc_lock);
-
-        year += 1900;
-        if (year < 1970)
-                year += 100;
-
-        return mktime(year, mon, day, hour, min, sec);
-}
-
-void mpc1211_rtc_gettimeofday(struct timeval *tv)
-{
-
-        tv->tv_sec = get_cmos_time();
-        tv->tv_usec = 0;
-}
-
-/* arc/i386/kernel/time.c */
-/*
- * In order to set the CMOS clock precisely, set_rtc_mmss has to be
- * called 500 ms after the second nowtime has started, because when
- * nowtime is written into the registers of the CMOS clock, it will
- * jump to the next second precisely 500 ms later. Check the Motorola
- * MC146818A or Dallas DS12887 data sheet for details.
- *
- * BUG: This routine does not handle hour overflow properly; it just
- *      sets the minutes. Usually you'll only notice that after reboot!
- */
-static int set_rtc_mmss(unsigned long nowtime)
-{
-        int retval = 0;
-        int real_seconds, real_minutes, cmos_minutes;
-        unsigned char save_control, save_freq_select;
-
-        /* gets recalled with irq locally disabled */
-        spin_lock(&rtc_lock);
-        save_control = CMOS_READ(RTC_CONTROL); /* tell the clock it's being set */
-        CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
-
-        save_freq_select = CMOS_READ(RTC_FREQ_SELECT); /* stop and reset prescaler */
-        CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
-
-        cmos_minutes = CMOS_READ(RTC_MINUTES);
-        if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-                BCD_TO_BIN(cmos_minutes);
-
-        /*
-         * since we're only adjusting minutes and seconds,
-         * don't interfere with hour overflow. This avoids
-         * messing with unknown time zones but requires your
-         * RTC not to be off by more than 15 minutes
-         */
-        real_seconds = nowtime % 60;
-        real_minutes = nowtime / 60;
-        if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
-                real_minutes += 30;             /* correct for half hour time zone */
-        real_minutes %= 60;
-
-        if (abs(real_minutes - cmos_minutes) < 30) {
-                if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-                        BIN_TO_BCD(real_seconds);
-                        BIN_TO_BCD(real_minutes);
-                }
-                CMOS_WRITE(real_seconds,RTC_SECONDS);
-                CMOS_WRITE(real_minutes,RTC_MINUTES);
-        } else {
-                printk(KERN_WARNING
-                       "set_rtc_mmss: can't update from %d to %d\n",
-                       cmos_minutes, real_minutes);
-                retval = -1;
-        }
-
-        /* The following flags have to be released exactly in this order,
-         * otherwise the DS12887 (popular MC146818A clone with integrated
-         * battery and quartz) will not reset the oscillator and will not
-         * update precisely 500 ms later. You won't find this mentioned in
-         * the Dallas Semiconductor data sheets, but who believes data
-         * sheets anyway ...                           -- Markus Kuhn
-         */
-        CMOS_WRITE(save_control, RTC_CONTROL);
-        CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
-        spin_unlock(&rtc_lock);
-
-        return retval;
-}
-
-int mpc1211_rtc_settimeofday(const struct timeval *tv)
-{
-        unsigned long nowtime = tv->tv_sec;
-
-        return set_rtc_mmss(nowtime);
-}
-
-void mpc1211_time_init(void)
-{
-        rtc_sh_get_time = mpc1211_rtc_gettimeofday;
-        rtc_sh_set_time = mpc1211_rtc_settimeofday;
-}
-
diff --git a/arch/sh/boards/mpc1211/setup.c b/arch/sh/boards/mpc1211/setup.c
deleted file mode 100644
index fede36361dc7..000000000000
--- a/arch/sh/boards/mpc1211/setup.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * linux/arch/sh/boards/mpc1211/setup.c
- *
- * Copyright (C) 2002  Saito.K & Jeanne,  Fujii.Y
- *
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/hdreg.h>
-#include <linux/ide.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <asm/io.h>
-#include <asm/machvec.h>
-#include <asm/mpc1211/mpc1211.h>
-#include <asm/mpc1211/pci.h>
-#include <asm/mpc1211/m1543c.h>
-
-/* ALI15X3 SMBus address offsets */
-#define SMBHSTSTS   (0 + 0x3100)
-#define SMBHSTCNT   (1 + 0x3100)
-#define SMBHSTSTART (2 + 0x3100)
-#define SMBHSTCMD   (7 + 0x3100)
-#define SMBHSTADD   (3 + 0x3100)
-#define SMBHSTDAT0  (4 + 0x3100)
-#define SMBHSTDAT1  (5 + 0x3100)
-#define SMBBLKDAT   (6 + 0x3100)
-
-/* Other settings */
-#define MAX_TIMEOUT 500         /* times 1/100 sec */
-
-/* ALI15X3 command constants */
-#define ALI15X3_ABORT      0x04
-#define ALI15X3_T_OUT      0x08
-#define ALI15X3_QUICK      0x00
-#define ALI15X3_BYTE       0x10
-#define ALI15X3_BYTE_DATA  0x20
-#define ALI15X3_WORD_DATA  0x30
-#define ALI15X3_BLOCK_DATA 0x40
-#define ALI15X3_BLOCK_CLR  0x80
-
-/* ALI15X3 status register bits */
-#define ALI15X3_STS_IDLE        0x04
-#define ALI15X3_STS_BUSY        0x08
-#define ALI15X3_STS_DONE        0x10
-#define ALI15X3_STS_DEV         0x20    /* device error */
-#define ALI15X3_STS_COLL        0x40    /* collision or no response */
-#define ALI15X3_STS_TERM        0x80    /* terminated by abort */
-#define ALI15X3_STS_ERR         0xE0    /* all the bad error bits */
-
-static void __init pci_write_config(unsigned long busNo,
-                                    unsigned long devNo,
-                                    unsigned long fncNo,
-                                    unsigned long cnfAdd,
-                                    unsigned long cnfData)
-{
-        ctrl_outl((0x80000000 
-                + ((busNo & 0xff) << 16) 
-                + ((devNo & 0x1f) << 11) 
-                + ((fncNo & 0x07) <<  8) 
-                + (cnfAdd & 0xfc)), PCIPAR);
-
-        ctrl_outl(cnfData, PCIPDR);
-}
-
-/*
-  Initialize IRQ setting
-*/
-
-static unsigned char m_irq_mask = 0xfb;
-static unsigned char s_irq_mask = 0xff;
-
-static void disable_mpc1211_irq(unsigned int irq)
-{
-        if( irq < 8) {
-                m_irq_mask |= (1 << irq);
-                outb(m_irq_mask,I8259_M_MR);
-        } else {
-                s_irq_mask |= (1 << (irq - 8));
-                outb(s_irq_mask,I8259_S_MR);
-        }
-
-}
-
-static void enable_mpc1211_irq(unsigned int irq)
-{
-        if( irq < 8) {
-                m_irq_mask &= ~(1 << irq);
-                outb(m_irq_mask,I8259_M_MR);
-        } else {
-                s_irq_mask &= ~(1 << (irq - 8));
-                outb(s_irq_mask,I8259_S_MR);
-        }
-}
-
-static inline int mpc1211_irq_real(unsigned int irq)
-{
-        int value;
-        int irqmask;
-
-        if ( irq < 8) {
-                irqmask = 1<<irq;
-                outb(0x0b,I8259_M_CR);          /* ISR register */
-                value = inb(I8259_M_CR) & irqmask;
-                outb(0x0a,I8259_M_CR);          /* back ro the IPR reg */
-                return value;
-        }
-        irqmask = 1<<(irq - 8);
-        outb(0x0b,I8259_S_CR);          /* ISR register */
-        value = inb(I8259_S_CR) & irqmask;
-        outb(0x0a,I8259_S_CR);          /* back ro the IPR reg */
-        return value;
-}
-
-static void mask_and_ack_mpc1211(unsigned int irq)
-{
-        if(irq < 8) {
-                if(m_irq_mask & (1<<irq)){
-                  if(!mpc1211_irq_real(irq)){
-                    atomic_inc(&irq_err_count)
-                    printk("spurious 8259A interrupt: IRQ %x\n",irq);
-                   }
-                } else {
-                        m_irq_mask |= (1<<irq);
-                }
-                inb(I8259_M_MR);                /* DUMMY */
-                outb(m_irq_mask,I8259_M_MR);    /* disable */
-                outb(0x60+irq,I8259_M_CR);      /* EOI */
-                
-        } else {
-                if(s_irq_mask & (1<<(irq - 8))){
-                  if(!mpc1211_irq_real(irq)){
-                    atomic_inc(&irq_err_count);
-                    printk("spurious 8259A interrupt: IRQ %x\n",irq);
-                  }
-                } else {
-                        s_irq_mask |= (1<<(irq - 8));
-                }
-                inb(I8259_S_MR);                /* DUMMY */
-                outb(s_irq_mask,I8259_S_MR);    /* disable */
-                outb(0x60+(irq-8),I8259_S_CR);  /* EOI */
-                outb(0x60+2,I8259_M_CR);
-        }
-}
-
-static void end_mpc1211_irq(unsigned int irq)
-{
-        enable_mpc1211_irq(irq);
-}
-
-static unsigned int startup_mpc1211_irq(unsigned int irq)
-{
-        enable_mpc1211_irq(irq);
-        return 0;
-}
-
-static void shutdown_mpc1211_irq(unsigned int irq)
-{
-        disable_mpc1211_irq(irq);
-}
-
-static struct hw_interrupt_type mpc1211_irq_type = {
-        .typename       = "MPC1211-IRQ",
-        .startup        = startup_mpc1211_irq,
-        .shutdown       = shutdown_mpc1211_irq,
-        .enable         = enable_mpc1211_irq,
-        .disable        = disable_mpc1211_irq,
-        .ack            = mask_and_ack_mpc1211,
-        .end            = end_mpc1211_irq
-};
-
-static void make_mpc1211_irq(unsigned int irq)
-{
-        irq_desc[irq].chip = &mpc1211_irq_type;
-        irq_desc[irq].status  = IRQ_DISABLED;
-        irq_desc[irq].action  = 0;
-        irq_desc[irq].depth   = 1;
-        disable_mpc1211_irq(irq);
-}
-
-int mpc1211_irq_demux(int irq)
-{
-        unsigned int poll;
-
-        if( irq == 2 ) {
-                outb(0x0c,I8259_M_CR);
-                poll = inb(I8259_M_CR);
-                if(poll & 0x80) {
-                        irq = (poll & 0x07);
-                }
-                if( irq == 2) {
-                        outb(0x0c,I8259_S_CR);
-                        poll = inb(I8259_S_CR);
-                        irq = (poll & 0x07) + 8;
-                }
-        }
-        return irq;
-}
-
-static void __init init_mpc1211_IRQ(void)
-{
-        int i;
-        /*
-         * Super I/O (Just mimic PC):
-         *  1: keyboard
-         *  3: serial 1
-         *  4: serial 0
-         *  5: printer
-         *  6: floppy
-         *  8: rtc
-         * 10: lan
-         * 12: mouse
-         * 14: ide0
-         * 15: ide1
-         */
-
-        pci_write_config(0,0,0,0x54, 0xb0b0002d);
-        outb(0x11, I8259_M_CR);         /* mater icw1 edge trigger  */
-        outb(0x11, I8259_S_CR);         /* slave icw1 edge trigger  */
-        outb(0x20, I8259_M_MR);         /* m icw2 base vec 0x08     */
-        outb(0x28, I8259_S_MR);         /* s icw2 base vec 0x70     */
-        outb(0x04, I8259_M_MR);         /* m icw3 slave irq2        */
-        outb(0x02, I8259_S_MR);         /* s icw3 slave id          */
-        outb(0x01, I8259_M_MR);         /* m icw4 non buf normal eoi*/
-        outb(0x01, I8259_S_MR);         /* s icw4 non buf normal eo1*/
-        outb(0xfb, I8259_M_MR);         /* disable irq0--irq7  */
-        outb(0xff, I8259_S_MR);         /* disable irq8--irq15 */
-
-        for ( i=0; i < 16; i++) {
-                if(i != 2) {
-                        make_mpc1211_irq(i);
-                }
-        }
-}
-
-static void delay1000(void)
-{
-        int i;
-
-        for (i=0; i<1000; i++)
-                ctrl_delay();
-}
-
-static int put_smb_blk(unsigned char *p, int address, int command, int no)
-{
-        int temp;
-        int timeout;
-        int i;
-
-        outb(0xff, SMBHSTSTS);
-        temp = inb(SMBHSTSTS);
-        for (timeout = 0; (timeout < MAX_TIMEOUT) && !(temp & ALI15X3_STS_IDLE); timeout++) {
-                delay1000();
-                temp = inb(SMBHSTSTS);
-        }
-        if (timeout >= MAX_TIMEOUT){
-                return -1;
-        }
-
-        outb(((address & 0x7f) << 1), SMBHSTADD);
-        outb(0xc0, SMBHSTCNT);
-        outb(command & 0xff, SMBHSTCMD);
-        outb(no & 0x1f, SMBHSTDAT0);
-
-        for(i = 1; i <= no; i++) {
-                outb(*p++, SMBBLKDAT);
-        }
-        outb(0xff, SMBHSTSTART);
-
-        temp = inb(SMBHSTSTS);
-        for (timeout = 0; (timeout < MAX_TIMEOUT) && !(temp & (ALI15X3_STS_ERR | ALI15X3_STS_DONE)); timeout++) {
-                delay1000();
-                temp = inb(SMBHSTSTS);
-        }
-        if (timeout >= MAX_TIMEOUT) {
-                return -2;
-        }
-        if ( temp & ALI15X3_STS_ERR ){
-                return -3;
-        }
-        return 0;
-}
-
-static struct resource heartbeat_resources[] = {
-        [0] = {
-                .start  = 0xa2000000,
-                .end    = 0xa2000000,
-                .flags  = IORESOURCE_MEM,
-        },
-};
-
-static struct platform_device heartbeat_device = {
-        .name           = "heartbeat",
-        .id             = -1,
-        .num_resources  = ARRAY_SIZE(heartbeat_resources),
-        .resource       = heartbeat_resources,
-};
-
-static struct platform_device *mpc1211_devices[] __initdata = {
-        &heartbeat_device,
-};
-
-static int __init mpc1211_devices_setup(void)
-{
-        return platform_add_devices(mpc1211_devices,
-                                    ARRAY_SIZE(mpc1211_devices));
-}
-__initcall(mpc1211_devices_setup);
-
-/* arch/sh/boards/mpc1211/rtc.c */
-void mpc1211_time_init(void);
-
-static void __init mpc1211_setup(char **cmdline_p)
-{
-        unsigned char spd_buf[128];
-
-        __set_io_port_base(PA_PCI_IO);
-
-        pci_write_config(0,0,0,0x54, 0xb0b00000);
-
-        do {
-                outb(ALI15X3_ABORT, SMBHSTCNT);
-                spd_buf[0] = 0x0c;
-                spd_buf[1] = 0x43;
-                spd_buf[2] = 0x7f;
-                spd_buf[3] = 0x03;
-                spd_buf[4] = 0x00;
-                spd_buf[5] = 0x03;
-                spd_buf[6] = 0x00;
-        } while (put_smb_blk(spd_buf, 0x69, 0, 7) < 0);
-
-        board_time_init = mpc1211_time_init;
-
-        return 0;
-}
-
-/*
- * The Machine Vector
- */
-static struct sh_machine_vector mv_mpc1211 __initmv = {
-        .mv_name                = "Interface MPC-1211(CTP/PCI/MPC-SH02)",
-        .mv_setup               = mpc1211_setup,
-        .mv_nr_irqs             = 48,
-        .mv_irq_demux           = mpc1211_irq_demux,
-        .mv_init_irq            = init_mpc1211_IRQ,
-};
diff --git a/arch/sh/boards/renesas/migor/setup.c b/arch/sh/boards/renesas/migor/setup.c
index e7c150d49702..01af44245b57 100644
--- a/arch/sh/boards/renesas/migor/setup.c
+++ b/arch/sh/boards/renesas/migor/setup.c
@@ -14,6 +14,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand.h>
 #include <linux/i2c.h>
+#include <linux/smc91x.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
@@ -27,6 +28,11 @@
  * 0x18000000       8GB    8   NAND Flash (K9K8G08U0A)
  */
 
+static struct smc91x_platdata smc91x_info = {
+        .flags = SMC91X_USE_16BIT,
+        .irq_flags = IRQF_TRIGGER_HIGH,
+};
+
 static struct resource smc91x_eth_resources[] = {
         [0] = {
                 .name   = "SMC91C111" ,
@@ -36,7 +42,7 @@ static struct resource smc91x_eth_resources[] = {
         },
         [1] = {
                 .start  = 32, /* IRQ0 */
-                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+                .flags  = IORESOURCE_IRQ,
         },
 };
 
@@ -44,6 +50,9 @@ static struct platform_device smc91x_eth_device = {
         .name           = "smc91x",
         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
         .resource       = smc91x_eth_resources,
+        .dev    = {
+                .platform_data  = &smc91x_info,
+        },
 };
 
 static struct sh_keysc_info sh_keysc_info = {
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
index 68f0ad1b637d..ae1cfcb29700 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
@@ -62,7 +62,7 @@ static unsigned char irl2irq[HL_NR_IRL] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
                          NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7780mp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
         if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
                 printk(KERN_INFO "Using r7780mp interrupt controller.\n");
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
index bd34048ed0e1..9d3921fe27c0 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
@@ -55,7 +55,7 @@ static unsigned char irl2irq[HL_NR_IRL] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
                          NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7780rp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
         if (ctrl_inw(0xa5000600)) {
                 printk(KERN_INFO "Using r7780rp interrupt controller.\n");
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
index bf7ec107fbc6..896c045aa39d 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
@@ -64,7 +64,7 @@ static unsigned char irl2irq[HL_NR_IRL] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
                          NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7785rp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
         if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000)
                 return NULL;
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index ac0a96522e45..bc79afb6fc4c 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -316,7 +316,7 @@ static void __init highlander_setup(char **cmdline_p)
 
 static unsigned char irl2irq[HL_NR_IRL];
 
-int highlander_irq_demux(int irq)
+static int highlander_irq_demux(int irq)
 {
         if (irq >= HL_NR_IRL || !irl2irq[irq])
                 return irq;
@@ -324,27 +324,9 @@ int highlander_irq_demux(int irq)
         return irl2irq[irq];
 }
 
-void __init highlander_init_irq(void)
+static void __init highlander_init_irq(void)
 {
-        unsigned char *ucp = NULL;
-
-        do {
-#ifdef CONFIG_SH_R7780MP
-                ucp = highlander_init_irq_r7780mp();
-                if (ucp)
-                        break;
-#endif
-#ifdef CONFIG_SH_R7785RP
-                ucp = highlander_init_irq_r7785rp();
-                if (ucp)
-                        break;
-#endif
-#ifdef CONFIG_SH_R7780RP
-                ucp = highlander_init_irq_r7780rp();
-                if (ucp)
-                        break;
-#endif
-        } while (0);
+        unsigned char *ucp = highlander_plat_irq_setup();
 
         if (ucp) {
                 plat_irq_setup_pins(IRQ_MODE_IRL3210);
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index f21ee49ef3a5..452d0d6459a4 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -109,7 +109,6 @@ static struct platform_device heartbeat_device = {
         .resource       = heartbeat_resources,
 };
 
-#ifdef CONFIG_MFD_SM501
 static struct plat_serial8250_port uart_platform_data[] = {
         {
                 .membase        = (void __iomem *)0xb3e30000,
@@ -208,13 +207,9 @@ static struct platform_device sm501_device = {
         .resource       = sm501_resources,
 };
 
-#endif /* CONFIG_MFD_SM501 */
-
 static struct platform_device *rts7751r2d_devices[] __initdata = {
-#ifdef CONFIG_MFD_SM501
         &uart_device,
         &sm501_device,
-#endif
         &heartbeat_device,
         &spi_sh_sci_device,
 };
@@ -234,7 +229,9 @@ static int __init rts7751r2d_devices_setup(void)
 {
         if (register_trapped_io(&cf_trapped_io) == 0)
                 platform_device_register(&cf_ide_device);
+
         spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
+
         return platform_add_devices(rts7751r2d_devices,
                                     ARRAY_SIZE(rts7751r2d_devices));
 }
diff --git a/arch/sh/boards/se/7206/setup.c b/arch/sh/boards/se/7206/setup.c
index 5b3ee089d91d..4fe84cc08406 100644
--- a/arch/sh/boards/se/7206/setup.c
+++ b/arch/sh/boards/se/7206/setup.c
@@ -3,12 +3,13 @@
  * linux/arch/sh/boards/se/7206/setup.c
  *
  * Copyright (C) 2006  Yoshinori Sato
- * Copyright (C) 2007  Paul Mundt
+ * Copyright (C) 2007 - 2008  Paul Mundt
  *
  * Hitachi 7206 SolutionEngine Support.
  */
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/smc91x.h>
 #include <asm/se7206.h>
 #include <asm/io.h>
 #include <asm/machvec.h>
@@ -16,8 +17,9 @@
 
 static struct resource smc91x_resources[] = {
         [0] = {
-                .start          = 0x300,
-                .end            = 0x300 + 0x020 - 1,
+                .name           = "smc91x-regs",
+                .start          = PA_SMSC + 0x300,
+                .end            = PA_SMSC + 0x300 + 0x020 - 1,
                 .flags          = IORESOURCE_MEM,
         },
         [1] = {
@@ -27,9 +29,18 @@ static struct resource smc91x_resources[] = {
         },
 };
 
+static struct smc91x_platdata smc91x_info = {
+        .flags  = SMC91X_USE_16BIT,
+};
+
 static struct platform_device smc91x_device = {
         .name           = "smc91x",
         .id             = -1,
+        .dev            = {
+                .dma_mask               = NULL,
+                .coherent_dma_mask      = 0xffffffff,
+                .platform_data          = &smc91x_info,
+        },
         .num_resources  = ARRAY_SIZE(smc91x_resources),
         .resource       = smc91x_resources,
 };
diff --git a/arch/sh/boards/se/7722/setup.c b/arch/sh/boards/se/7722/setup.c
index 33f6ee71f848..ede3957fc14a 100644
--- a/arch/sh/boards/se/7722/setup.c
+++ b/arch/sh/boards/se/7722/setup.c
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <linux/input.h>
+#include <linux/smc91x.h>
 #include <asm/machvec.h>
 #include <asm/se7722.h>
 #include <asm/io.h>
@@ -44,6 +45,10 @@ static struct platform_device heartbeat_device = {
 };
 
 /* SMC91x */
+static struct smc91x_platdata smc91x_info = {
+        .flags = SMC91X_USE_16BIT,
+};
+
 static struct resource smc91x_eth_resources[] = {
         [0] = {
                 .name   = "smc91x-regs" ,
@@ -64,6 +69,7 @@ static struct platform_device smc91x_eth_device = {
         .dev = {
                 .dma_mask               = NULL,         /* don't use dma */
                 .coherent_dma_mask      = 0xffffffff,
+                .platform_data  = &smc91x_info,
         },
         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
         .resource       = smc91x_eth_resources,
diff --git a/arch/sh/boot/compressed/Makefile_32 b/arch/sh/boot/compressed/Makefile_32
index 6ac8d4a4ed1d..c0d25fb1aa60 100644
--- a/arch/sh/boot/compressed/Makefile_32
+++ b/arch/sh/boot/compressed/Makefile_32
@@ -6,7 +6,6 @@
 
 targets         := vmlinux vmlinux.bin vmlinux.bin.gz \
                    head_32.o misc_32.o piggy.o
-EXTRA_AFLAGS    := -traditional
 
 OBJECTS = $(obj)/head_32.o $(obj)/misc_32.o
 
diff --git a/arch/sh/boot/compressed/Makefile_64 b/arch/sh/boot/compressed/Makefile_64
index 4334f2b86d8f..912f3e205a0d 100644
--- a/arch/sh/boot/compressed/Makefile_64
+++ b/arch/sh/boot/compressed/Makefile_64
@@ -13,7 +13,6 @@
 
 targets         := vmlinux vmlinux.bin vmlinux.bin.gz \
                    head_64.o misc_64.o cache.o piggy.o
-EXTRA_AFLAGS    := -traditional
 
 OBJECTS         := $(obj)/vmlinux_64.lds $(obj)/head_64.o $(obj)/misc_64.o \
                    $(obj)/cache.o
diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
index d6e0e2bdaad5..de45c6a3e33b 100644
--- a/arch/sh/kernel/cpu/irq/intc-sh5.c
+++ b/arch/sh/kernel/cpu/irq/intc-sh5.c
@@ -184,9 +184,8 @@ int intc_irq_describe(char* p, int irq)
 
 void __init plat_irq_setup(void)
 {
-        unsigned long long __dummy0, __dummy1=~0x00000000100000f0;
+        unsigned long long __dummy0, __dummy1=~0x00000000100000f0;
         unsigned long reg;
-        unsigned long data;
         int i;
 
         intc_virt = onchip_remap(INTC_BASE, 1024, "INTC");
@@ -196,11 +195,8 @@ void __init plat_irq_setup(void)
 
 
         /* Set default: per-line enable/disable, priority driven ack/eoi */
-        for (i = 0; i < NR_INTC_IRQS; i++) {
-                if (platform_int_priority[i] != NO_PRIORITY) {
-                        irq_desc[i].chip = &intc_irq_type;
-                }
-        }
+        for (i = 0; i < NR_INTC_IRQS; i++)
+                irq_desc[i].chip = &intc_irq_type;
 
 
         /* Disable all interrupts and set all priorities to 0 to avoid trouble */
@@ -211,35 +207,42 @@ void __init plat_irq_setup(void)
                 ctrl_outl( NO_PRIORITY, reg);
 
 
-        /* Set IRLM */
-        /* If all the priorities are set to 'no priority', then
-         * assume we are using encoded mode.
-         */
-        irlm = platform_int_priority[IRQ_IRL0] + platform_int_priority[IRQ_IRL1] + \
-                platform_int_priority[IRQ_IRL2] + platform_int_priority[IRQ_IRL3];
-
-        if (irlm == NO_PRIORITY) {
-                /* IRLM = 0 */
-                reg = INTC_ICR_CLEAR;
-                i = IRQ_INTA;
-                printk("Trying to use encoded IRL0-3. IRLs unsupported.\n");
-        } else {
-                /* IRLM = 1 */
-                reg = INTC_ICR_SET;
-                i = IRQ_IRL0;
-        }
-        ctrl_outl(INTC_ICR_IRLM, reg);
-
-        /* Set interrupt priorities according to platform description */
-        for (data = 0, reg = INTC_INTPRI_0; i < NR_INTC_IRQS; i++) {
-                data |= platform_int_priority[i] << ((i % INTC_INTPRI_PPREG) * 4);
-                if ((i % INTC_INTPRI_PPREG) == (INTC_INTPRI_PPREG - 1)) {
-                        /* Upon the 7th, set Priority Register */
-                        ctrl_outl(data, reg);
-                        data = 0;
-                        reg += 8;
+#ifdef CONFIG_SH_CAYMAN
+        {
+                unsigned long data;
+
+                /* Set IRLM */
+                /* If all the priorities are set to 'no priority', then
+                 * assume we are using encoded mode.
+                 */
+                irlm = platform_int_priority[IRQ_IRL0] +
+                       platform_int_priority[IRQ_IRL1] +
+                       platform_int_priority[IRQ_IRL2] +
+                       platform_int_priority[IRQ_IRL3];
+                if (irlm == NO_PRIORITY) {
+                        /* IRLM = 0 */
+                        reg = INTC_ICR_CLEAR;
+                        i = IRQ_INTA;
+                        printk("Trying to use encoded IRL0-3. IRLs unsupported.\n");
+                } else {
+                        /* IRLM = 1 */
+                        reg = INTC_ICR_SET;
+                        i = IRQ_IRL0;
                 }
-        }
+                ctrl_outl(INTC_ICR_IRLM, reg);
+
+                /* Set interrupt priorities according to platform description */
+                for (data = 0, reg = INTC_INTPRI_0; i < NR_INTC_IRQS; i++) {
+                        data |= platform_int_priority[i] <<
+                                ((i % INTC_INTPRI_PPREG) * 4);
+                        if ((i % INTC_INTPRI_PPREG) == (INTC_INTPRI_PPREG - 1)) {
+                                /* Upon the 7th, set Priority Register */
+                                ctrl_outl(data, reg);
+                                data = 0;
+                                reg += 8;
+                        }
+                }
+#endif
 
         /*
          * And now let interrupts come in.
diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c
index 84806b2027f8..da5dae787888 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/arch/sh/kernel/cpu/irq/intc.c
@@ -1,7 +1,7 @@
 /*
  * Shared interrupt handling code for IPR and INTC2 types of IRQs.
  *
- * Copyright (C) 2007 Magnus Damm
+ * Copyright (C) 2007, 2008 Magnus Damm
  *
  * Based on intc2.c and ipr.c
  *
@@ -62,6 +62,9 @@ struct intc_desc_int {
 #endif
 
 static unsigned int intc_prio_level[NR_IRQS]; /* for now */
+#ifdef CONFIG_CPU_SH3
+static unsigned long ack_handle[NR_IRQS];
+#endif
 
 static inline struct intc_desc_int *get_intc_desc(unsigned int irq)
 {
@@ -98,17 +101,26 @@ static void write_32(unsigned long addr, unsigned long h, unsigned long data)
 
 static void modify_8(unsigned long addr, unsigned long h, unsigned long data)
 {
+        unsigned long flags;
+        local_irq_save(flags);
         ctrl_outb(set_field(ctrl_inb(addr), data, h), addr);
+        local_irq_restore(flags);
 }
 
 static void modify_16(unsigned long addr, unsigned long h, unsigned long data)
 {
+        unsigned long flags;
+        local_irq_save(flags);
         ctrl_outw(set_field(ctrl_inw(addr), data, h), addr);
+        local_irq_restore(flags);
 }
 
 static void modify_32(unsigned long addr, unsigned long h, unsigned long data)
 {
+        unsigned long flags;
+        local_irq_save(flags);
         ctrl_outl(set_field(ctrl_inl(addr), data, h), addr);
+        local_irq_restore(flags);
 }
 
 enum {  REG_FN_ERR = 0, REG_FN_WRITE_BASE = 1, REG_FN_MODIFY_BASE = 5 };
@@ -219,6 +231,25 @@ static void intc_disable(unsigned int irq)
         }
 }
 
+#ifdef CONFIG_CPU_SH3
+static void intc_mask_ack(unsigned int irq)
+{
+        struct intc_desc_int *d = get_intc_desc(irq);
+        unsigned long handle = ack_handle[irq];
+        unsigned long addr;
+
+        intc_disable(irq);
+
+        /* read register and write zero only to the assocaited bit */
+
+        if (handle) {
+                addr = INTC_REG(d, _INTC_ADDR_D(handle), 0);
+                ctrl_inb(addr);
+                ctrl_outb(0x3f ^ set_field(0, 1, handle), addr);
+        }
+}
+#endif
+
 static struct intc_handle_int *intc_find_irq(struct intc_handle_int *hp,
                                              unsigned int nr_hp,
                                              unsigned int irq)
@@ -280,7 +311,12 @@ static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
         [IRQ_TYPE_EDGE_FALLING] = VALID(0),
         [IRQ_TYPE_EDGE_RISING] = VALID(1),
         [IRQ_TYPE_LEVEL_LOW] = VALID(2),
+        /* SH7706, SH7707 and SH7709 do not support high level triggered */
+#if !defined(CONFIG_CPU_SUBTYPE_SH7706) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7707) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7709)
         [IRQ_TYPE_LEVEL_HIGH] = VALID(3),
+#endif
 };
 
 static int intc_set_sense(unsigned int irq, unsigned int type)
@@ -430,6 +466,40 @@ static unsigned int __init intc_prio_data(struct intc_desc *desc,
         return 0;
 }
 
+#ifdef CONFIG_CPU_SH3
+static unsigned int __init intc_ack_data(struct intc_desc *desc,
+                                          struct intc_desc_int *d,
+                                          intc_enum enum_id)
+{
+        struct intc_mask_reg *mr = desc->ack_regs;
+        unsigned int i, j, fn, mode;
+        unsigned long reg_e, reg_d;
+
+        for (i = 0; mr && enum_id && i < desc->nr_ack_regs; i++) {
+                mr = desc->ack_regs + i;
+
+                for (j = 0; j < ARRAY_SIZE(mr->enum_ids); j++) {
+                        if (mr->enum_ids[j] != enum_id)
+                                continue;
+
+                        fn = REG_FN_MODIFY_BASE;
+                        mode = MODE_ENABLE_REG;
+                        reg_e = mr->set_reg;
+                        reg_d = mr->set_reg;
+
+                        fn += (mr->reg_width >> 3) - 1;
+                        return _INTC_MK(fn, mode,
+                                        intc_get_reg(d, reg_e),
+                                        intc_get_reg(d, reg_d),
+                                        1,
+                                        (mr->reg_width - 1) - j);
+                }
+        }
+
+        return 0;
+}
+#endif
+
 static unsigned int __init intc_sense_data(struct intc_desc *desc,
                                            struct intc_desc_int *d,
                                            intc_enum enum_id)
@@ -530,6 +600,11 @@ static void __init intc_register_irq(struct intc_desc *desc,
 
         /* irq should be disabled by default */
         d->chip.mask(irq);
+
+#ifdef CONFIG_CPU_SH3
+        if (desc->ack_regs)
+                ack_handle[irq] = intc_ack_data(desc, d, enum_id);
+#endif
 }
 
 static unsigned int __init save_reg(struct intc_desc_int *d,
@@ -560,6 +635,9 @@ void __init register_intc_controller(struct intc_desc *desc)
         d->nr_reg += desc->prio_regs ? desc->nr_prio_regs * 2 : 0;
         d->nr_reg += desc->sense_regs ? desc->nr_sense_regs : 0;
 
+#ifdef CONFIG_CPU_SH3
+        d->nr_reg += desc->ack_regs ? desc->nr_ack_regs : 0;
+#endif
         d->reg = alloc_bootmem(d->nr_reg * sizeof(*d->reg));
 #ifdef CONFIG_SMP
         d->smp = alloc_bootmem(d->nr_reg * sizeof(*d->smp));
@@ -592,14 +670,23 @@ void __init register_intc_controller(struct intc_desc *desc)
                 }
         }
 
-        BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */
-
         d->chip.name = desc->name;
         d->chip.mask = intc_disable;
         d->chip.unmask = intc_enable;
         d->chip.mask_ack = intc_disable;
         d->chip.set_type = intc_set_sense;
 
+#ifdef CONFIG_CPU_SH3
+        if (desc->ack_regs) {
+                for (i = 0; i < desc->nr_ack_regs; i++)
+                        k += save_reg(d, k, desc->ack_regs[i].set_reg, 0);
+
+                d->chip.mask_ack = intc_mask_ack;
+        }
+#endif
+
+        BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */
+
         for (i = 0; i < desc->nr_vectors; i++) {
                 struct intc_vect *vect = desc->vectors + i;
 
diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c
index 5627c0b3ffa8..6df2fb98eb30 100644
--- a/arch/sh/kernel/cpu/sh2a/fpu.c
+++ b/arch/sh/kernel/cpu/sh2a/fpu.c
@@ -300,7 +300,7 @@ static int denormal_addf(int hx, int hy)
                 iy = hy & 0x7fffffff;
                 if (iy < 0x00800000) {
                         ix = denormal_subf1(ix, iy);
-                        if (ix < 0) {
+                        if ((int) ix < 0) {
                                 ix = -ix;
                                 sign ^= 0x80000000;
                         }
@@ -385,7 +385,7 @@ static long long denormal_addd(long long hx, long long hy)
                 iy = hy & 0x7fffffffffffffffLL;
                 if (iy < 0x0010000000000000LL) {
                         ix = denormal_subd1(ix, iy);
-                        if (ix < 0) {
+                        if ((int) ix < 0) {
                                 ix = -ix;
                                 sign ^= 0x8000000000000000LL;
                         }
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 3ae4d9111f19..511de55af832 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the Linux/SuperH SH-3 backends.
 #
 
-obj-y   := ex.o probe.o entry.o
+obj-y   := ex.o probe.o entry.o setup-sh3.o
 
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7705)        += setup-sh7705.o
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh3.c b/arch/sh/kernel/cpu/sh3/setup-sh3.c
new file mode 100644
index 000000000000..c98846857855
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh3.c
@@ -0,0 +1,71 @@
+/*
+ * Shared SH3 Setup code
+ *
+ *  Copyright (C) 2008  Magnus Damm
+ *
+ * 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/irq.h>
+#include <linux/io.h>
+
+/* All SH3 devices are equipped with IRQ0->5 (except sh7708) */
+
+enum {
+        UNUSED = 0,
+
+        /* interrupt sources */
+        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
+};
+
+static struct intc_vect vectors_irq0123[] __initdata = {
+        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
+        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
+};
+
+static struct intc_vect vectors_irq45[] __initdata = {
+        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+        { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
+        { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
+};
+
+static struct intc_mask_reg ack_registers[] __initdata = {
+        { 0xa4000004, 0, 8, /* IRR0 */
+          { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
+};
+
+static struct intc_sense_reg sense_registers[] __initdata = {
+        { 0xa4000010, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
+};
+
+static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh3-irq0123",
+                             vectors_irq0123, NULL, NULL,
+                             prio_registers, sense_registers, ack_registers);
+
+static DECLARE_INTC_DESC_ACK(intc_desc_irq45, "sh3-irq45",
+                             vectors_irq45, NULL, NULL,
+                             prio_registers, sense_registers, ack_registers);
+
+#define INTC_ICR1               0xa4000010UL
+#define INTC_ICR1_IRQLVL        (1<<14)
+
+void __init plat_irq_setup_pins(int mode)
+{
+        if (mode == IRQ_MODE_IRQ) {
+                ctrl_outw(ctrl_inw(INTC_ICR1) & ~INTC_ICR1_IRQLVL, INTC_ICR1);
+                register_intc_controller(&intc_desc_irq0123);
+                return;
+        }
+        BUG();
+}
+
+void __init plat_irq_setup_sh3(void)
+{
+        register_intc_controller(&intc_desc_irq45);
+}
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index f581534cb732..6468ae86b944 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -37,7 +37,7 @@ enum {
 };
 
 static struct intc_vect vectors[] __initdata = {
-        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+        /* IRQ0->5 are handled in setup-sh3.c */
         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
         INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
         INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
@@ -48,7 +48,7 @@ static struct intc_vect vectors[] __initdata = {
         INTC_VECT(ADC_ADI, 0x980),
         INTC_VECT(USB_USI0, 0xa20), INTC_VECT(USB_USI1, 0xa40),
         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
-        INTC_VECT(TPU3, 0xc80), INTC_VECT(TPU1, 0xca0),
+        INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
         INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
         INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
@@ -81,14 +81,6 @@ static struct intc_prio_reg prio_registers[] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups,
                          NULL, prio_registers, NULL);
 
-static struct intc_vect vectors_irq[] __initdata = {
-        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
-        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
-};
-
-static DECLARE_INTC_DESC(intc_desc_irq, "sh7705-irq", vectors_irq, NULL,
-                         NULL, prio_registers, NULL);
-
 static struct plat_sci_port sci_platform_data[] = {
         {
                 .mapbase        = 0xa4410000,
@@ -159,16 +151,8 @@ static int __init sh7705_devices_setup(void)
 }
 __initcall(sh7705_devices_setup);
 
-void __init plat_irq_setup_pins(int mode)
-{
-        if (mode == IRQ_MODE_IRQ) {
-                register_intc_controller(&intc_desc_irq);
-                return;
-        }
-        BUG();
-}
-
 void __init plat_irq_setup(void)
 {
         register_intc_controller(&intc_desc);
+        plat_irq_setup_sh3();
 }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index d3733b13ea52..93c55e2ed952 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -52,7 +52,7 @@ static struct intc_vect vectors[] __initdata = {
 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
     defined(CONFIG_CPU_SUBTYPE_SH7709)
-        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+        /* IRQ0->5 are handled in setup-sh3.c */
         INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
         INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
         INTC_VECT(ADC_ADI, 0x980),
@@ -104,18 +104,6 @@ static struct intc_prio_reg prio_registers[] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, groups,
                          NULL, prio_registers, NULL);
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7709)
-static struct intc_vect vectors_irq[] __initdata = {
-        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
-        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
-};
-
-static DECLARE_INTC_DESC(intc_desc_irq, "sh770x-irq", vectors_irq, NULL,
-                         NULL, prio_registers, NULL);
-#endif
-
 static struct resource rtc_resources[] = {
         [0] =   {
                 .start  = 0xfffffec0,
@@ -194,24 +182,12 @@ static int __init sh770x_devices_setup(void)
 }
 __initcall(sh770x_devices_setup);
 
-#define INTC_ICR1               0xa4000010UL
-#define INTC_ICR1_IRQLVL        (1<<14)
-
-void __init plat_irq_setup_pins(int mode)
+void __init plat_irq_setup(void)
 {
-        if (mode == IRQ_MODE_IRQ) {
+        register_intc_controller(&intc_desc);
 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
     defined(CONFIG_CPU_SUBTYPE_SH7709)
-                ctrl_outw(ctrl_inw(INTC_ICR1) & ~INTC_ICR1_IRQLVL, INTC_ICR1);
-                register_intc_controller(&intc_desc_irq);
-                return;
+        plat_irq_setup_sh3();
 #endif
-        }
-        BUG();
-}
-
-void __init plat_irq_setup(void)
-{
-        register_intc_controller(&intc_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 7406c9ad9259..77eee481de47 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -38,7 +38,7 @@ enum {
 };
 
 static struct intc_vect vectors[] __initdata = {
-        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+        /* IRQ0->5 are handled in setup-sh3.c */
         INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
         INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
         INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
@@ -79,10 +79,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
-        { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, DMAC2 } },
-#ifdef CONFIG_CPU_SUBTYPE_SH7710
-        { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC } },
-#endif
+        { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
         { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
         { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
         { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
@@ -91,14 +88,6 @@ static struct intc_prio_reg prio_registers[] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, groups,
                          NULL, prio_registers, NULL);
 
-static struct intc_vect vectors_irq[] __initdata = {
-        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
-        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
-};
-
-static DECLARE_INTC_DESC(intc_desc_irq, "sh7710-irq", vectors_irq, NULL,
-                         NULL, prio_registers, NULL);
-
 static struct resource rtc_resources[] = {
         [0] =   {
                 .start  = 0xa413fec0,
@@ -170,16 +159,8 @@ static int __init sh7710_devices_setup(void)
 }
 __initcall(sh7710_devices_setup);
 
-void __init plat_irq_setup_pins(int mode)
-{
-        if (mode == IRQ_MODE_IRQ) {
-                register_intc_controller(&intc_desc_irq);
-                return;
-        }
-        BUG();
-}
-
 void __init plat_irq_setup(void)
 {
         register_intc_controller(&intc_desc);
+        plat_irq_setup_sh3();
 }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 8028082527c5..f807a21b066c 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -19,10 +19,6 @@
 #include <linux/serial_sci.h>
 #include <asm/rtc.h>
 
-#define INTC_ICR1       0xA4140010UL
-#define INTC_ICR_IRLM   0x4000
-#define INTC_ICR_IRQ    (~INTC_ICR_IRLM)
-
 static struct resource rtc_resources[] = {
         [0] = {
                 .start  = 0xa413fec0,
@@ -170,6 +166,7 @@ enum {
 };
 
 static struct intc_vect vectors[] __initdata = {
+        /* IRQ0->5 are handled in setup-sh3.c */
         INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
         INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC_ATI, 0x480),
         INTC_VECT(RTC_PRI, 0x4a0),    INTC_VECT(RTC_CUI, 0x4c0),
@@ -214,11 +211,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
         { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
         { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
         { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
-#if defined(CONFIG_CPU_SUBTYPE_SH7720)
         { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
-#else
-        { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, 0 } },
-#endif
         { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
         { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
         { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
@@ -229,32 +222,8 @@ static struct intc_prio_reg prio_registers[] __initdata = {
 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, groups,
                 NULL, prio_registers, NULL);
 
-static struct intc_sense_reg sense_registers[] __initdata = {
-        { INTC_ICR1, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
-};
-
-static struct intc_vect vectors_irq[] __initdata = {
-        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
-        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
-        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
-};
-
-static DECLARE_INTC_DESC(intc_irq_desc, "sh7720-irq", vectors_irq,
-                NULL, NULL, prio_registers, sense_registers);
-
-void __init plat_irq_setup_pins(int mode)
-{
-        switch (mode) {
-        case IRQ_MODE_IRQ:
-                ctrl_outw(ctrl_inw(INTC_ICR1) & INTC_ICR_IRQ, INTC_ICR1);
-                register_intc_controller(&intc_irq_desc);
-                break;
-        default:
-                BUG();
-        }
-}
-
 void __init plat_irq_setup(void)
 {
         register_intc_controller(&intc_desc);
+        plat_irq_setup_sh3();
 }
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index ba8750176d91..05372ed6c568 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -143,12 +143,22 @@ resvec_save_area:
 trap_jtable:
         .long   do_exception_error              /* 0x000 */
         .long   do_exception_error              /* 0x020 */
+#ifdef CONFIG_MMU
         .long   tlb_miss_load                           /* 0x040 */
         .long   tlb_miss_store                          /* 0x060 */
+#else
+        .long   do_exception_error
+        .long   do_exception_error
+#endif
         ! ARTIFICIAL pseudo-EXPEVT setting
         .long   do_debug_interrupt              /* 0x080 */
+#ifdef CONFIG_MMU
         .long   tlb_miss_load                           /* 0x0A0 */
         .long   tlb_miss_store                          /* 0x0C0 */
+#else
+        .long   do_exception_error
+        .long   do_exception_error
+#endif
         .long   do_address_error_load   /* 0x0E0 */
         .long   do_address_error_store  /* 0x100 */
 #ifdef CONFIG_SH_FPU
@@ -185,10 +195,18 @@ trap_jtable:
         .endr
         .long   do_IRQ                  /* 0xA00 */
         .long   do_IRQ                  /* 0xA20 */
+#ifdef CONFIG_MMU
         .long   itlb_miss_or_IRQ                        /* 0xA40 */
+#else
+        .long   do_IRQ
+#endif
         .long   do_IRQ                  /* 0xA60 */
         .long   do_IRQ                  /* 0xA80 */
+#ifdef CONFIG_MMU
         .long   itlb_miss_or_IRQ                        /* 0xAA0 */
+#else
+        .long   do_IRQ
+#endif
         .long   do_exception_error              /* 0xAC0 */
         .long   do_address_error_exec   /* 0xAE0 */
         .rept 8
@@ -274,6 +292,7 @@ not_a_tlb_miss:
          * Instead of '.space 1024-TEXT_SIZE' place the RESVEC
          * block making sure the final alignment is correct.
          */
+#ifdef CONFIG_MMU
 tlb_miss:
         synco   /* TAKum03020 (but probably a good idea anyway.) */
         putcon  SP, KCR1
@@ -377,6 +396,9 @@ fixup_to_invoke_general_handler:
         getcon  KCR1, SP
         pta     handle_exception, tr0
         blink   tr0, ZERO
+#else /* CONFIG_MMU */
+        .balign 256
+#endif
 
 /* NB TAKE GREAT CARE HERE TO ENSURE THAT THE INTERRUPT CODE
    DOES END UP AT VBR+0x600 */
@@ -1103,6 +1125,7 @@ restore_all:
  * fpu_error_or_IRQ? is a helper to deflect to the right cause.
  *
  */
+#ifdef CONFIG_MMU
 tlb_miss_load:
         or      SP, ZERO, r2
         or      ZERO, ZERO, r3          /* Read */
@@ -1132,6 +1155,7 @@ call_do_page_fault:
         movi    do_page_fault, r6
         ptabs   r6, tr0
         blink   tr0, ZERO
+#endif /* CONFIG_MMU */
 
 fpu_error_or_IRQA:
         pta     its_IRQ, tr0
@@ -1481,6 +1505,7 @@ poke_real_address_q:
         ptabs   LINK, tr0
         blink   tr0, r63
 
+#ifdef CONFIG_MMU
 /*
  * --- User Access Handling Section
  */
@@ -1604,6 +1629,7 @@ ___clear_user_exit:
         ptabs   LINK, tr0
         blink   tr0, ZERO
 
+#endif /* CONFIG_MMU */
 
 /*
  * int __strncpy_from_user(unsigned long __dest, unsigned long __src,
@@ -2014,9 +2040,11 @@ sa_default_restorer:
         .global asm_uaccess_start       /* Just a marker */
 asm_uaccess_start:
 
+#ifdef CONFIG_MMU
         .long   ___copy_user1, ___copy_user_exit
         .long   ___copy_user2, ___copy_user_exit
         .long   ___clear_user1, ___clear_user_exit
+#endif
         .long   ___strncpy_from_user1, ___strncpy_from_user_exit
         .long   ___strnlen_user1, ___strnlen_user_exit
         .long   ___get_user_asm_b1, ___get_user_asm_b_exit
diff --git a/arch/sh/kernel/cpu/sh5/probe.c b/arch/sh/kernel/cpu/sh5/probe.c
index 31f8cb0f6374..92ad844b5c12 100644
--- a/arch/sh/kernel/cpu/sh5/probe.c
+++ b/arch/sh/kernel/cpu/sh5/probe.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
+#include <asm/tlb.h>
 
 int __init detect_cpu_and_cache_system(void)
 {
@@ -67,5 +68,8 @@ int __init detect_cpu_and_cache_system(void)
         set_bit(SH_CACHE_MODE_WB, &(boot_cpu_data.dcache.flags));
 #endif
 
+        /* Setup some I/D TLB defaults */
+        sh64_tlb_init();
+
         return 0;
 }
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 957f25611543..6b7d166694e2 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -141,7 +141,9 @@ static void scif_sercon_init(char *s)
  */
 static void scif_sercon_init(char *s)
 {
+        struct uart_port *port = &scif_port;
         unsigned baud = DEFAULT_BAUD;
+        unsigned int status;
         char *e;
 
         if (*s == ',')
@@ -160,19 +162,25 @@ static void scif_sercon_init(char *s)
                         baud = DEFAULT_BAUD;
         }
 
-        ctrl_outw(0, scif_port.mapbase + 8);
-        ctrl_outw(0, scif_port.mapbase);
+        do {
+                status = sci_in(port, SCxSR);
+        } while (!(status & SCxSR_TEND(port)));
+
+        sci_out(port, SCSCR, 0);         /* TE=0, RE=0 */
+        sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
+        sci_out(port, SCSMR, 0);
 
         /* Set baud rate */
-        ctrl_outb((CONFIG_SH_PCLK_FREQ + 16 * baud) /
-                  (32 * baud) - 1, scif_port.mapbase + 4);
-
-        ctrl_outw(12, scif_port.mapbase + 24);
-        ctrl_outw(8, scif_port.mapbase + 24);
-        ctrl_outw(0, scif_port.mapbase + 32);
-        ctrl_outw(0x60, scif_port.mapbase + 16);
-        ctrl_outw(0, scif_port.mapbase + 36);
-        ctrl_outw(0x30, scif_port.mapbase + 8);
+        sci_out(port, SCBRR, (CONFIG_SH_PCLK_FREQ + 16 * baud) /
+                (32 * baud) - 1);
+        udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
+
+        sci_out(port, SCSPTR, 0);
+        sci_out(port, SCxSR, 0x60);
+        sci_out(port, SCLSR, 0);
+
+        sci_out(port, SCFCR, 0);
+        sci_out(port, SCSCR, 0x30);      /* TE=1, RE=1 */
 }
 #endif /* defined(CONFIG_CPU_SUBTYPE_SH7720) */
 #endif /* !defined(CONFIG_SH_STANDARD_BIOS) */
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index d453c3a1c79f..832641bbd47d 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -330,14 +330,6 @@ static char *ebin_to_mem(const char *buf, char *mem, int count)
         return mem;
 }
 
-/* Pack a hex byte */
-static char *pack_hex_byte(char *pkt, int byte)
-{
-        *pkt++ = hexchars[(byte >> 4) & 0xf];
-        *pkt++ = hexchars[(byte & 0xf)];
-        return pkt;
-}
-
 /* Scan for the start char '$', read the packet and check the checksum */
 static void get_packet(char *buffer, int buflen)
 {
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 284f66f1ebbe..516bde9c50fa 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -53,6 +53,7 @@ EXPORT_SYMBOL(cpu_data);
  * sh_mv= on the command line, prior to .machvec.init teardown.
  */
 struct sh_machine_vector sh_mv = { .mv_name = "generic", };
+EXPORT_SYMBOL(sh_mv);
 
 #ifdef CONFIG_VT
 struct screen_info screen_info;
@@ -76,11 +77,18 @@ static struct resource data_resource = {
         .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
 };
 
+static struct resource bss_resource = {
+        .name   = "Kernel bss",
+        .flags  = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
+
 unsigned long memory_start;
 EXPORT_SYMBOL(memory_start);
 unsigned long memory_end = 0;
 EXPORT_SYMBOL(memory_end);
 
+static struct resource mem_resources[MAX_NUMNODES];
+
 int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
 
 static int __init early_parse_mem(char *p)
@@ -169,6 +177,40 @@ static inline void __init reserve_crashkernel(void)
 {}
 #endif
 
+void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
+                                                unsigned long end_pfn)
+{
+        struct resource *res = &mem_resources[nid];
+
+        WARN_ON(res->name); /* max one active range per node for now */
+
+        res->name = "System RAM";
+        res->start = start_pfn << PAGE_SHIFT;
+        res->end = (end_pfn << PAGE_SHIFT) - 1;
+        res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+        if (request_resource(&iomem_resource, res)) {
+                pr_err("unable to request memory_resource 0x%lx 0x%lx\n",
+                       start_pfn, end_pfn);
+                return;
+        }
+
+        /*
+         *  We don't know which RAM region contains kernel data,
+         *  so we try it repeatedly and let the resource manager
+         *  test it.
+         */
+        request_resource(res, &code_resource);
+        request_resource(res, &data_resource);
+        request_resource(res, &bss_resource);
+
+#ifdef CONFIG_KEXEC
+        if (crashk_res.start != crashk_res.end)
+                request_resource(res, &crashk_res);
+#endif
+
+        add_active_range(nid, start_pfn, end_pfn);
+}
+
 void __init setup_bootmem_allocator(unsigned long free_pfn)
 {
         unsigned long bootmap_size;
@@ -181,7 +223,7 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
         bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
                                          min_low_pfn, max_low_pfn);
 
-        add_active_range(0, min_low_pfn, max_low_pfn);
+        __add_active_range(0, min_low_pfn, max_low_pfn);
         register_bootmem_low_pages();
 
         node_set_online(0);
@@ -267,6 +309,8 @@ void __init setup_arch(char **cmdline_p)
         code_resource.end = virt_to_phys(_etext)-1;
         data_resource.start = virt_to_phys(_etext);
         data_resource.end = virt_to_phys(_edata)-1;
+        bss_resource.start = virt_to_phys(__bss_start);
+        bss_resource.end = virt_to_phys(_ebss)-1;
 
         memory_start = (unsigned long)__va(__MEMORY_START);
         if (!memory_end)
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 6d405462cee8..8f916536719c 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -20,8 +20,6 @@
 extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
 extern struct hw_interrupt_type no_irq_type;
 
-EXPORT_SYMBOL(sh_mv);
-
 /* platform dependent support */
 EXPORT_SYMBOL(dump_fpu);
 EXPORT_SYMBOL(kernel_thread);
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index a310c9707f03..9324d32adacc 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -16,6 +16,7 @@
 #include <linux/in6.h>
 #include <linux/interrupt.h>
 #include <linux/screen_info.h>
+#include <asm/cacheflush.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/checksum.h>
@@ -29,25 +30,50 @@ extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
 EXPORT_SYMBOL(dump_fpu);
 EXPORT_SYMBOL(kernel_thread);
 
+#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU)
+EXPORT_SYMBOL(clear_user_page);
+#endif
+
+#ifndef CONFIG_CACHE_OFF
+EXPORT_SYMBOL(flush_dcache_page);
+#endif
+
 /* Networking helper routines. */
+EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_nocheck);
+#ifdef CONFIG_IPV6
+EXPORT_SYMBOL(csum_ipv6_magic);
+#endif
 
 #ifdef CONFIG_VT
 EXPORT_SYMBOL(screen_info);
 #endif
 
+EXPORT_SYMBOL(__put_user_asm_b);
+EXPORT_SYMBOL(__put_user_asm_w);
 EXPORT_SYMBOL(__put_user_asm_l);
+EXPORT_SYMBOL(__put_user_asm_q);
+EXPORT_SYMBOL(__get_user_asm_b);
+EXPORT_SYMBOL(__get_user_asm_w);
 EXPORT_SYMBOL(__get_user_asm_l);
+EXPORT_SYMBOL(__get_user_asm_q);
+EXPORT_SYMBOL(__strnlen_user);
+EXPORT_SYMBOL(__strncpy_from_user);
+EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__copy_user);
 EXPORT_SYMBOL(empty_zero_page);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(__udelay);
 EXPORT_SYMBOL(__ndelay);
+EXPORT_SYMBOL(__const_udelay);
 
 /* Ugh.  These come in from libgcc.a at link time. */
 #define DECLARE_EXPORT(name) extern void name(void);EXPORT_SYMBOL(name)
 
 DECLARE_EXPORT(__sdivsi3);
+DECLARE_EXPORT(__sdivsi3_2);
 DECLARE_EXPORT(__muldi3);
 DECLARE_EXPORT(__udivsi3);
+DECLARE_EXPORT(__div_table);
diff --git a/arch/sh/kernel/time_64.c b/arch/sh/kernel/time_64.c
index 898977ee2030..022a55f1c1d4 100644
--- a/arch/sh/kernel/time_64.c
+++ b/arch/sh/kernel/time_64.c
@@ -172,6 +172,7 @@ void do_gettimeofday(struct timeval *tv)
         tv->tv_sec = sec;
         tv->tv_usec = usec;
 }
+EXPORT_SYMBOL(do_gettimeofday);
 
 int do_settimeofday(struct timespec *tv)
 {
@@ -240,7 +241,7 @@ static inline void do_timer_interrupt(void)
          * the irq version of write_lock because as just said we have irq
          * locally disabled. -arca
          */
-        write_lock(&xtime_lock);
+        write_seqlock(&xtime_lock);
         asm ("getcon cr62, %0" : "=r" (current_ctc));
         ctc_last_interrupt = (unsigned long) current_ctc;
 
@@ -266,7 +267,7 @@ static inline void do_timer_interrupt(void)
                         /* do it again in 60 s */
                         last_rtc_update = xtime.tv_sec - 600;
         }
-        write_unlock(&xtime_lock);
+        write_sequnlock(&xtime_lock);
 
 #ifndef CONFIG_SMP
         update_process_times(user_mode(get_irq_regs()));
diff --git a/arch/sh/lib64/dbg.c b/arch/sh/lib64/dbg.c
index 75825ef6e084..2fb8eaf6de60 100644
--- a/arch/sh/lib64/dbg.c
+++ b/arch/sh/lib64/dbg.c
@@ -186,8 +186,8 @@ void evt_debug(int evt, int ret_addr, int event, int tra, struct pt_regs *regs)
         rr->pc = regs->pc;
 
         if (sp < stack_bottom + 3092) {
-                printk("evt_debug : stack underflow report\n");
                 int i, j;
+                printk("evt_debug : stack underflow report\n");
                 for (j=0, i = event_ptr; j<16; j++) {
                         rr = event_ring + i;
                         printk("evt=%08x event=%08x tra=%08x pid=%5d sp=%08lx pc=%08lx\n",
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
index cbd6aa33c5ac..0d92a8a3ac9a 100644
--- a/arch/sh/mm/Makefile_64
+++ b/arch/sh/mm/Makefile_64
@@ -2,10 +2,11 @@
 # Makefile for the Linux SuperH-specific parts of the memory manager.
 #
 
-obj-y                   := init.o extable_64.o consistent.o
+obj-y                   := init.o consistent.o
 
-mmu-y                   := tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_MMU)       := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o
+mmu-y                   := tlb-nommu.o pg-nommu.o extable_32.o
+mmu-$(CONFIG_MMU)       := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
+                           extable_64.o
 
 ifndef CONFIG_CACHE_OFF
 obj-y                   += cache-sh5.o
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 3877321fcede..9e277ec7d536 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -714,6 +714,7 @@ void flush_cache_sigtramp(unsigned long vaddr)
         sh64_icache_inv_current_user_range(vaddr, end);
 }
 
+#ifdef CONFIG_MMU
 /*
  * These *MUST* lie in an area of virtual address space that's otherwise
  * unused.
@@ -830,3 +831,4 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
         else
                 sh64_clear_user_page_coloured(to, address);
 }
+#endif
diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c
index cea224c3e49b..6e0be24d26e2 100644
--- a/arch/sh/mm/ioremap_64.c
+++ b/arch/sh/mm/ioremap_64.c
@@ -343,6 +343,7 @@ unsigned long onchip_remap(unsigned long phys, unsigned long size, const char *n
 
         return shmedia_alloc_io(phys, size, name);
 }
+EXPORT_SYMBOL(onchip_remap);
 
 void onchip_unmap(unsigned long vaddr)
 {
@@ -370,6 +371,7 @@ void onchip_unmap(unsigned long vaddr)
                 kfree(res);
         }
 }
+EXPORT_SYMBOL(onchip_unmap);
 
 #ifdef CONFIG_PROC_FS
 static int
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 2de7302724fc..1663199ce888 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -59,7 +59,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
         free_pfn = start_pfn = start >> PAGE_SHIFT;
         end_pfn = end >> PAGE_SHIFT;
 
-        add_active_range(nid, start_pfn, end_pfn);
+        __add_active_range(nid, start_pfn, end_pfn);
 
         /* Node-local pgdat */
         NODE_DATA(nid) = pfn_to_kaddr(free_pfn);
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 987c6682bf99..1bba7d36be90 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -28,7 +28,6 @@ HD64465			HD64465
 7751SYSTEMH             SH_7751_SYSTEMH
 HP6XX                   SH_HP6XX
 DREAMCAST               SH_DREAMCAST
-MPC1211                 SH_MPC1211
 SNAPGEAR                SH_SECUREEDGE5410
 EDOSK7705               SH_EDOSK7705
 SH4202_MICRODEV         SH_SH4202_MICRODEV
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 57d1bbdd0bd2..4bcfe54f878d 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -1306,6 +1306,8 @@ ret_from_fork:
         .align  4
         .globl  linux_sparc_syscall
 linux_sparc_syscall:
+        sethi   %hi(PSR_SYSCALL), %l4
+        or      %l0, %l4, %l0
         /* Direct access to user regs, must faster. */
         cmp     %g1, NR_SYSCALLS
         bgeu    linux_sparc_ni_syscall
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index e7f35198ae34..da48d248cc17 100644
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -419,14 +419,26 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
                              unsigned long stack_size)
 {
         unsigned long parent_tid_ptr, child_tid_ptr;
+        unsigned long orig_i1 = regs->u_regs[UREG_I1];
+        long ret;
 
         parent_tid_ptr = regs->u_regs[UREG_I2];
         child_tid_ptr = regs->u_regs[UREG_I4];
 
-        return do_fork(clone_flags, stack_start,
-                       regs, stack_size,
-                       (int __user *) parent_tid_ptr,
-                       (int __user *) child_tid_ptr);
+        ret = do_fork(clone_flags, stack_start,
+                      regs, stack_size,
+                      (int __user *) parent_tid_ptr,
+                      (int __user *) child_tid_ptr);
+
+        /* If we get an error and potentially restart the system
+         * call, we're screwed because copy_thread() clobbered
+         * the parent's %o1.  So detect that case and restore it
+         * here.
+         */
+        if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK)
+                regs->u_regs[UREG_I1] = orig_i1;
+
+        return ret;
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions
@@ -626,11 +638,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs)
                           (char __user * __user *)regs->u_regs[base + UREG_I2],
                           regs);
         putname(filename);
-        if (error == 0) {
-                task_lock(current);
-                current->ptrace &= ~PT_DTRACE;
-                task_unlock(current);
-        }
 out:
         return error;
 }
diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index 7f44ae69b29e..81f3b929743f 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -170,8 +170,8 @@ static int genregs32_set(struct task_struct *target,
                 switch (pos) {
                 case 32: /* PSR */
                         psr = regs->psr;
-                        psr &= ~PSR_ICC;
-                        psr |= (reg & PSR_ICC);
+                        psr &= ~(PSR_ICC | PSR_SYSCALL);
+                        psr |= (reg & (PSR_ICC | PSR_SYSCALL));
                         regs->psr = psr;
                         break;
                 case 33: /* PC */
@@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 break;
 
         default:
+                if (request == PTRACE_SPARC_DETACH)
+                        request = PTRACE_DETACH;
                 ret = ptrace_request(child, request, addr, data);
                 break;
         }
diff --git a/arch/sparc/kernel/rtrap.S b/arch/sparc/kernel/rtrap.S
index 77ca6fd81253..ab818cdc4cc0 100644
--- a/arch/sparc/kernel/rtrap.S
+++ b/arch/sparc/kernel/rtrap.S
@@ -50,8 +50,9 @@ rtrap_7win_patch5:	and	%g1, 0x7f, %g1
 ret_trap_entry:
 ret_trap_lockless_ipi:
         andcc   %t_psr, PSR_PS, %g0
+        sethi   %hi(PSR_SYSCALL), %g1
         be      1f
-         nop
+         andn   %t_psr, %g1, %t_psr
 
         wr      %t_psr, 0x0, %psr
         b       ret_trap_kernel
@@ -73,7 +74,6 @@ signal_p:
          ld     [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
 
         mov     %l5, %o1
-        mov     %l6, %o2
         call    do_signal
          add    %sp, STACKFRAME_SZ, %o0 ! pt_regs ptr
 
@@ -81,6 +81,8 @@ signal_p:
         ld      [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
         clr     %l6
 ret_trap_continue:
+        sethi   %hi(PSR_SYSCALL), %g1
+        andn    %t_psr, %g1, %t_psr
         wr      %t_psr, 0x0, %psr
         WRITE_PAUSE
 
@@ -137,8 +139,9 @@ ret_trap_userwins_ok:
         LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc)
         or      %t_pc, %t_npc, %g2
         andcc   %g2, 0x3, %g0
+        sethi   %hi(PSR_SYSCALL), %g2
         be      1f
-         nop
+         andn   %t_psr, %g2, %t_psr
 
         b       ret_trap_unaligned_pc
          add    %sp, STACKFRAME_SZ, %o0
@@ -201,6 +204,8 @@ rtrap_patch5:	and	%g1, 0xff, %g1
 1:
         LOAD_PT_ALL(sp, t_psr, t_pc, t_npc, g1)
 2:
+        sethi   %hi(PSR_SYSCALL), %twin_tmp1
+        andn    %t_psr, %twin_tmp1, %t_psr
         wr      %t_psr, 0x0, %psr
         WRITE_PAUSE
 
diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c
index 3c312290c3c2..3fd1df9f9ba7 100644
--- a/arch/sparc/kernel/signal.c
+++ b/arch/sparc/kernel/signal.c
@@ -145,6 +145,9 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
         regs->psr = (up_psr & ~(PSR_ICC | PSR_EF))
                   | (regs->psr & (PSR_ICC | PSR_EF));
 
+        /* Prevent syscall restart.  */
+        pt_regs_clear_syscall(regs);
+
         err |= __get_user(fpu_save, &sf->fpu_save);
 
         if (fpu_save)
@@ -199,6 +202,9 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
 
         regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC);
 
+        /* Prevent syscall restart.  */
+        pt_regs_clear_syscall(regs);
+
         err |= __get_user(fpu_save, &sf->fpu_save);
 
         if (fpu_save)
@@ -245,15 +251,29 @@ static inline int invalid_frame_pointer(void __user *fp, int fplen)
 
 static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
 {
-        unsigned long sp;
+        unsigned long sp = regs->u_regs[UREG_FP];
 
-        sp = regs->u_regs[UREG_FP];
+        /*
+         * If we are on the alternate signal stack and would overflow it, don't.
+         * Return an always-bogus address instead so we will die with SIGSEGV.
+         */
+        if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize)))
+                return (void __user *) -1L;
 
         /* This is the X/Open sanctioned signal stack switching.  */
         if (sa->sa_flags & SA_ONSTACK) {
-                if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7))
+                if (sas_ss_flags(sp) == 0)
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
+
+        /* Always align the stack frame.  This handles two cases.  First,
+         * sigaltstack need not be mindful of platform specific stack
+         * alignment.  Second, if we took this signal because the stack
+         * is not aligned properly, we'd like to take the signal cleanly
+         * and report that.
+         */
+        sp &= ~7UL;
+
         return (void __user *)(sp - framesize);
 }
 
@@ -493,26 +513,36 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int restart_syscall)
+asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
 {
-        siginfo_t info;
-        struct sparc_deliver_cookie cookie;
         struct k_sigaction ka;
-        int signr;
+        int restart_syscall;
         sigset_t *oldset;
+        siginfo_t info;
+        int signr;
 
-        cookie.restart_syscall = restart_syscall;
-        cookie.orig_i0 = orig_i0;
+        if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
+                restart_syscall = 1;
+        else
+                restart_syscall = 0;
 
         if (test_thread_flag(TIF_RESTORE_SIGMASK))
                 oldset = &current->saved_sigmask;
         else
                 oldset = &current->blocked;
 
-        signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
+        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+
+        /* If the debugger messes with the program counter, it clears
+         * the software "in syscall" bit, directing us to not perform
+         * a syscall restart.
+         */
+        if (restart_syscall && !pt_regs_is_syscall(regs))
+                restart_syscall = 0;
+
         if (signr > 0) {
-                if (cookie.restart_syscall)
-                        syscall_restart(cookie.orig_i0, regs, &ka.sa);
+                if (restart_syscall)
+                        syscall_restart(orig_i0, regs, &ka.sa);
                 handle_signal(signr, &ka, &info, oldset, regs);
 
                 /* a signal was successfully delivered; the saved
@@ -524,16 +554,16 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int rest
                         clear_thread_flag(TIF_RESTORE_SIGMASK);
                 return;
         }
-        if (cookie.restart_syscall &&
+        if (restart_syscall &&
             (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
              regs->u_regs[UREG_I0] == ERESTARTSYS ||
              regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
                 /* replay the system call when we are done */
-                regs->u_regs[UREG_I0] = cookie.orig_i0;
+                regs->u_regs[UREG_I0] = orig_i0;
                 regs->pc -= 4;
                 regs->npc -= 4;
         }
-        if (cookie.restart_syscall &&
+        if (restart_syscall &&
             regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                 regs->u_regs[UREG_G1] = __NR_restart_syscall;
                 regs->pc -= 4;
@@ -585,27 +615,3 @@ do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
 out:
         return ret;
 }
-
-void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
-{
-        struct sparc_deliver_cookie *cp = cookie;
-
-        if (cp->restart_syscall &&
-            (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
-             regs->u_regs[UREG_I0] == ERESTARTSYS ||
-             regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
-                /* replay the system call when we are done */
-                regs->u_regs[UREG_I0] = cp->orig_i0;
-                regs->pc -= 4;
-                regs->npc -= 4;
-                cp->restart_syscall = 0;
-        }
-
-        if (cp->restart_syscall &&
-            regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
-                regs->u_regs[UREG_G1] = __NR_restart_syscall;
-                regs->pc -= 4;
-                regs->npc -= 4;
-                cp->restart_syscall = 0;
-        }
-}
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index f188b5dc9fd0..3c6b49a53ae8 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -219,12 +219,11 @@ out:
         return err;
 }
 
-int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+int sparc_mmap_check(unsigned long addr, unsigned long len)
 {
         if (ARCH_SUN4C_SUN4 &&
             (len > 0x20000000 ||
-             ((flags & MAP_FIXED) &&
-              addr < 0xe0000000 && addr + len > 0x20000000)))
+             (addr < 0xe0000000 && addr + len > 0x20000000)))
                 return -EINVAL;
 
         /* See asm-sparc/uaccess.h */
@@ -296,52 +295,14 @@ asmlinkage unsigned long sparc_mremap(unsigned long addr,
         unsigned long old_len, unsigned long new_len,
         unsigned long flags, unsigned long new_addr)
 {
-        struct vm_area_struct *vma;
         unsigned long ret = -EINVAL;
-        if (ARCH_SUN4C_SUN4) {
-                if (old_len > 0x20000000 || new_len > 0x20000000)
-                        goto out;
-                if (addr < 0xe0000000 && addr + old_len > 0x20000000)
-                        goto out;
-        }
-        if (old_len > TASK_SIZE - PAGE_SIZE ||
-            new_len > TASK_SIZE - PAGE_SIZE)
+
+        if (unlikely(sparc_mmap_check(addr, old_len)))
+                goto out;
+        if (unlikely(sparc_mmap_check(new_addr, new_len)))
                 goto out;
         down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (ARCH_SUN4C_SUN4 &&
-                    new_addr < 0xe0000000 &&
-                    new_addr + new_len > 0x20000000)
-                        goto out_sem;
-                if (new_addr + new_len > TASK_SIZE - PAGE_SIZE)
-                        goto out_sem;
-        } else if ((ARCH_SUN4C_SUN4 && addr < 0xe0000000 &&
-                    addr + new_len > 0x20000000) ||
-                   addr + new_len > TASK_SIZE - PAGE_SIZE) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                     vma ? vma->vm_pgoff : 0,
-                                     map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
         ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
         up_write(&current->mm->mmap_sem);
 out:
         return ret;       
diff --git a/arch/sparc64/kernel/etrap.S b/arch/sparc64/kernel/etrap.S
index b49d3b60bc0c..f25e1da3fd03 100644
--- a/arch/sparc64/kernel/etrap.S
+++ b/arch/sparc64/kernel/etrap.S
@@ -27,11 +27,12 @@
 
                 .text           
                 .align  64
-                .globl  etrap, etrap_irq, etraptl1
+                .globl  etrap_syscall, etrap, etrap_irq, etraptl1
 etrap:          rdpr    %pil, %g2
-etrap_irq:
-                TRAP_LOAD_THREAD_REG(%g6, %g1)
+etrap_irq:      clr     %g3
+etrap_syscall:  TRAP_LOAD_THREAD_REG(%g6, %g1)
                 rdpr    %tstate, %g1
+                or      %g1, %g3, %g1
                 sllx    %g2, 20, %g3
                 andcc   %g1, TSTATE_PRIV, %g0
                 or      %g1, %g3, %g1
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 500ac6d483a0..4129c0449856 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -503,6 +503,8 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
                               unsigned long stack_size)
 {
         int __user *parent_tid_ptr, *child_tid_ptr;
+        unsigned long orig_i1 = regs->u_regs[UREG_I1];
+        long ret;
 
 #ifdef CONFIG_COMPAT
         if (test_thread_flag(TIF_32BIT)) {
@@ -515,9 +517,19 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
                 child_tid_ptr = (int __user *) regs->u_regs[UREG_I4];
         }
 
-        return do_fork(clone_flags, stack_start,
-                       regs, stack_size,
-                       parent_tid_ptr, child_tid_ptr);
+        ret = do_fork(clone_flags, stack_start,
+                      regs, stack_size,
+                      parent_tid_ptr, child_tid_ptr);
+
+        /* If we get an error and potentially restart the system
+         * call, we're screwed because copy_thread() clobbered
+         * the parent's %o1.  So detect that case and restore it
+         * here.
+         */
+        if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK)
+                regs->u_regs[UREG_I1] = orig_i1;
+
+        return ret;
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index e9fc0aa2da38..f6c9fc92921d 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -287,11 +287,11 @@ static int genregs64_set(struct task_struct *target,
                                          32 * sizeof(u64),
                                          33 * sizeof(u64));
                 if (!ret) {
-                        /* Only the condition codes can be modified
-                         * in the %tstate register.
+                        /* Only the condition codes and the "in syscall"
+                         * state can be modified in the %tstate register.
                          */
-                        tstate &= (TSTATE_ICC | TSTATE_XCC);
-                        regs->tstate &= ~(TSTATE_ICC | TSTATE_XCC);
+                        tstate &= (TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
+                        regs->tstate &= ~(TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
                         regs->tstate |= tstate;
                 }
         }
@@ -657,8 +657,10 @@ static int genregs32_set(struct task_struct *target,
                 switch (pos) {
                 case 32: /* PSR */
                         tstate = regs->tstate;
-                        tstate &= ~(TSTATE_ICC | TSTATE_XCC);
+                        tstate &= ~(TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
                         tstate |= psr_to_tstate_icc(reg);
+                        if (reg & PSR_SYSCALL)
+                                tstate |= TSTATE_SYSCALL;
                         regs->tstate = tstate;
                         break;
                 case 33: /* PC */
@@ -944,6 +946,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
                 break;
 
         default:
+                if (request == PTRACE_SPARC_DETACH)
+                        request = PTRACE_DETACH;
                 ret = compat_ptrace_request(child, request, addr, data);
                 break;
         }
@@ -1036,6 +1040,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 break;
 
         default:
+                if (request == PTRACE_SPARC_DETACH)
+                        request = PTRACE_DETACH;
                 ret = ptrace_request(child, request, addr, data);
                 break;
         }
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index ecf6753b204a..16689b2930db 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -46,7 +46,7 @@ __handle_user_windows:
                 wrpr                    %g0, RTRAP_PSTATE_IRQOFF, %pstate
                 ldx                     [%g6 + TI_FLAGS], %l0
 
-1:              andcc                   %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+1:              andcc                   %l0, _TIF_SIGPENDING, %g0
                 be,pt                   %xcc, __handle_user_windows_continue
                  nop
                 mov                     %l5, %o1
@@ -86,7 +86,7 @@ __handle_perfctrs:
                  wrpr                   %g0, RTRAP_PSTATE, %pstate
                 wrpr                    %g0, RTRAP_PSTATE_IRQOFF, %pstate
                 ldx                     [%g6 + TI_FLAGS], %l0
-1:              andcc                   %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+1:              andcc                   %l0, _TIF_SIGPENDING, %g0
 
                 be,pt                   %xcc, __handle_perfctrs_continue
                  sethi                  %hi(TSTATE_PEF), %o0
@@ -195,7 +195,7 @@ __handle_preemption_continue:
                  andcc                  %l1, %o0, %g0
                 andcc                   %l0, _TIF_NEED_RESCHED, %g0
                 bne,pn                  %xcc, __handle_preemption
-                 andcc                  %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
+                 andcc                  %l0, _TIF_SIGPENDING, %g0
                 bne,pn                  %xcc, __handle_signal
 __handle_signal_continue:
                  ldub                   [%g6 + TI_WSAVED], %o2
@@ -257,6 +257,7 @@ rt_continue:	ldx			[%sp + PTREGS_OFF + PT_V9_G1], %g1
                 wr                      %o3, %g0, %y
                 wrpr                    %l4, 0x0, %pil
                 wrpr                    %g0, 0x1, %tl
+                andn                    %l1, TSTATE_SYSCALL, %l1
                 wrpr                    %l1, %g0, %tstate
                 wrpr                    %l2, %g0, %tpc
                 wrpr                    %o2, %g0, %tnpc
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 45d6bf632daa..6e4dc67d16af 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -247,7 +247,9 @@ static long _sigpause_common(old_sigset_t set)
 
         current->state = TASK_INTERRUPTIBLE;
         schedule();
-        set_thread_flag(TIF_RESTORE_SIGMASK);
+
+        set_restore_sigmask();
+
         return -ERESTARTNOHAND;
 }
 
@@ -333,7 +335,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
         regs->tnpc = tnpc;
 
         /* Prevent syscall restart.  */
-        pt_regs_clear_trap_type(regs);
+        pt_regs_clear_syscall(regs);
 
         sigdelsetmask(&set, ~_BLOCKABLE);
         spin_lock_irq(&current->sighand->siglock);
@@ -376,16 +378,29 @@ save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
 
 static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
 {
-        unsigned long sp;
+        unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS;
 
-        sp = regs->u_regs[UREG_FP] + STACK_BIAS;
+        /*
+         * If we are on the alternate signal stack and would overflow it, don't.
+         * Return an always-bogus address instead so we will die with SIGSEGV.
+         */
+        if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize)))
+                return (void __user *) -1L;
 
         /* This is the X/Open sanctioned signal stack switching.  */
         if (ka->sa.sa_flags & SA_ONSTACK) {
-                if (!on_sig_stack(sp) &&
-                    !((current->sas_ss_sp + current->sas_ss_size) & 7))
+                if (sas_ss_flags(sp) == 0)
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
+
+        /* Always align the stack frame.  This handles two cases.  First,
+         * sigaltstack need not be mindful of platform specific stack
+         * alignment.  Second, if we took this signal because the stack
+         * is not aligned properly, we'd like to take the signal cleanly
+         * and report that.
+         */
+        sp &= ~7UL;
+
         return (void __user *)(sp - framesize);
 }
 
@@ -486,7 +501,7 @@ static inline void handle_signal(unsigned long signr, struct k_sigaction *ka,
 }
 
 static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
-                                     struct sigaction *sa)
+                                   struct sigaction *sa)
 {
         switch (regs->u_regs[UREG_I0]) {
         case ERESTART_RESTARTBLOCK:
@@ -512,21 +527,19 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
  */
 static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 {
-        struct signal_deliver_cookie cookie;
         struct k_sigaction ka;
+        int restart_syscall;
         sigset_t *oldset;
         siginfo_t info;
         int signr;
         
         if (pt_regs_is_syscall(regs) &&
             (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
-                pt_regs_clear_trap_type(regs);
-                cookie.restart_syscall = 1;
+                restart_syscall = 1;
         } else
-                cookie.restart_syscall = 0;
-        cookie.orig_i0 = orig_i0;
+                restart_syscall = 0;
 
-        if (test_thread_flag(TIF_RESTORE_SIGMASK))
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK)
                 oldset = &current->saved_sigmask;
         else
                 oldset = &current->blocked;
@@ -534,77 +547,62 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 #ifdef CONFIG_COMPAT
         if (test_thread_flag(TIF_32BIT)) {
                 extern void do_signal32(sigset_t *, struct pt_regs *,
-                                        struct signal_deliver_cookie *);
-                do_signal32(oldset, regs, &cookie);
+                                        int restart_syscall,
+                                        unsigned long orig_i0);
+                do_signal32(oldset, regs, restart_syscall, orig_i0);
                 return;
         }
 #endif  
 
-        signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
+        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+
+        /* If the debugger messes with the program counter, it clears
+         * the software "in syscall" bit, directing us to not perform
+         * a syscall restart.
+         */
+        if (restart_syscall && !pt_regs_is_syscall(regs))
+                restart_syscall = 0;
+
         if (signr > 0) {
-                if (cookie.restart_syscall)
-                        syscall_restart(cookie.orig_i0, regs, &ka.sa);
+                if (restart_syscall)
+                        syscall_restart(orig_i0, regs, &ka.sa);
                 handle_signal(signr, &ka, &info, oldset, regs);
 
-                /* a signal was successfully delivered; the saved
+                /* A signal was successfully delivered; the saved
                  * sigmask will have been stored in the signal frame,
                  * and will be restored by sigreturn, so we can simply
-                 * clear the TIF_RESTORE_SIGMASK flag.
+                 * clear the TS_RESTORE_SIGMASK flag.
                  */
-                if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 return;
         }
-        if (cookie.restart_syscall &&
+        if (restart_syscall &&
             (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
              regs->u_regs[UREG_I0] == ERESTARTSYS ||
              regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
                 /* replay the system call when we are done */
-                regs->u_regs[UREG_I0] = cookie.orig_i0;
+                regs->u_regs[UREG_I0] = orig_i0;
                 regs->tpc -= 4;
                 regs->tnpc -= 4;
         }
-        if (cookie.restart_syscall &&
+        if (restart_syscall &&
             regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                 regs->u_regs[UREG_G1] = __NR_restart_syscall;
                 regs->tpc -= 4;
                 regs->tnpc -= 4;
         }
 
-        /* if there's no signal to deliver, we just put the saved sigmask
+        /* If there's no signal to deliver, we just put the saved sigmask
          * back
          */
-        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-                clear_thread_flag(TIF_RESTORE_SIGMASK);
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
         }
 }
 
 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags)
 {
-        if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+        if (thread_info_flags & _TIF_SIGPENDING)
                 do_signal(regs, orig_i0);
 }
-
-void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
-{
-        struct signal_deliver_cookie *cp = cookie;
-
-        if (cp->restart_syscall &&
-            (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
-             regs->u_regs[UREG_I0] == ERESTARTSYS ||
-             regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
-                /* replay the system call when we are done */
-                regs->u_regs[UREG_I0] = cp->orig_i0;
-                regs->tpc -= 4;
-                regs->tnpc -= 4;
-                cp->restart_syscall = 0;
-        }
-        if (cp->restart_syscall &&
-            regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
-                regs->u_regs[UREG_G1] = __NR_restart_syscall;
-                regs->tpc -= 4;
-                regs->tnpc -= 4;
-                cp->restart_syscall = 0;
-        }
-}
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index 9415d2c918c5..97cdd1bf4a10 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -269,7 +269,7 @@ void do_sigreturn32(struct pt_regs *regs)
         regs->tstate |= psr_to_tstate_icc(psr);
 
         /* Prevent syscall restart.  */
-        pt_regs_clear_trap_type(regs);
+        pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
         if (fpu_save)
@@ -355,7 +355,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
         regs->tstate |= psr_to_tstate_icc(psr);
 
         /* Prevent syscall restart.  */
-        pt_regs_clear_trap_type(regs);
+        pt_regs_clear_syscall(regs);
 
         err |= __get_user(fpu_save, &sf->fpu_save);
         if (fpu_save)
@@ -406,11 +406,27 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
         regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
         sp = regs->u_regs[UREG_FP];
         
+        /*
+         * If we are on the alternate signal stack and would overflow it, don't.
+         * Return an always-bogus address instead so we will die with SIGSEGV.
+         */
+        if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize)))
+                return (void __user *) -1L;
+
         /* This is the X/Open sanctioned signal stack switching.  */
         if (sa->sa_flags & SA_ONSTACK) {
-                if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7))
+                if (sas_ss_flags(sp) == 0)
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
+
+        /* Always align the stack frame.  This handles two cases.  First,
+         * sigaltstack need not be mindful of platform specific stack
+         * alignment.  Second, if we took this signal because the stack
+         * is not aligned properly, we'd like to take the signal cleanly
+         * and report that.
+         */
+        sp &= ~7UL;
+
         return (void __user *)(sp - framesize);
 }
 
@@ -752,48 +768,55 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
  * mistake.
  */
 void do_signal32(sigset_t *oldset, struct pt_regs * regs,
-                 struct signal_deliver_cookie *cookie)
+                 int restart_syscall, unsigned long orig_i0)
 {
         struct k_sigaction ka;
         siginfo_t info;
         int signr;
         
-        signr = get_signal_to_deliver(&info, &ka, regs, cookie);
+        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+
+        /* If the debugger messes with the program counter, it clears
+         * the "in syscall" bit, directing us to not perform a syscall
+         * restart.
+         */
+        if (restart_syscall && !pt_regs_is_syscall(regs))
+                restart_syscall = 0;
+
         if (signr > 0) {
-                if (cookie->restart_syscall)
-                        syscall_restart32(cookie->orig_i0, regs, &ka.sa);
+                if (restart_syscall)
+                        syscall_restart32(orig_i0, regs, &ka.sa);
                 handle_signal32(signr, &ka, &info, oldset, regs);
 
-                /* a signal was successfully delivered; the saved
+                /* A signal was successfully delivered; the saved
                  * sigmask will have been stored in the signal frame,
                  * and will be restored by sigreturn, so we can simply
-                 * clear the TIF_RESTORE_SIGMASK flag.
+                 * clear the TS_RESTORE_SIGMASK flag.
                  */
-                if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 return;
         }
-        if (cookie->restart_syscall &&
+        if (restart_syscall &&
             (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
              regs->u_regs[UREG_I0] == ERESTARTSYS ||
              regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
                 /* replay the system call when we are done */
-                regs->u_regs[UREG_I0] = cookie->orig_i0;
+                regs->u_regs[UREG_I0] = orig_i0;
                 regs->tpc -= 4;
                 regs->tnpc -= 4;
         }
-        if (cookie->restart_syscall &&
+        if (restart_syscall &&
             regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                 regs->u_regs[UREG_G1] = __NR_restart_syscall;
                 regs->tpc -= 4;
                 regs->tnpc -= 4;
         }
 
-        /* if there's no signal to deliver, we just put the saved sigmask
+        /* If there's no signal to deliver, we just put the saved sigmask
          * back
          */
-        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-                clear_thread_flag(TIF_RESTORE_SIGMASK);
+        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
+                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
         }
 }
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 3aba47624df4..0d6403a630ac 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -865,21 +865,14 @@ void smp_call_function_client(int irq, struct pt_regs *regs)
         void *info = call_data->info;
 
         clear_softint(1 << irq);
-
-        irq_enter();
-
-        if (!call_data->wait) {
-                /* let initiator proceed after getting data */
-                atomic_inc(&call_data->finished);
-        }
-
-        func(info);
-
-        irq_exit();
-
         if (call_data->wait) {
                 /* let initiator proceed only after completion */
+                func(info);
                 atomic_inc(&call_data->finished);
+        } else {
+                /* let initiator proceed after getting data */
+                atomic_inc(&call_data->finished);
+                func(info);
         }
 }
 
@@ -1041,9 +1034,7 @@ void smp_receive_signal(int cpu)
 
 void smp_receive_signal_client(int irq, struct pt_regs *regs)
 {
-        irq_enter();
         clear_softint(1 << irq);
-        irq_exit();
 }
 
 void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
@@ -1051,8 +1042,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
         struct mm_struct *mm;
         unsigned long flags;
 
-        irq_enter();
-
         clear_softint(1 << irq);
 
         /* See if we need to allocate a new TLB context because
@@ -1072,8 +1061,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
         load_secondary_context(mm);
         __flush_tlb_mm(CTX_HWBITS(mm->context),
                        SECONDARY_CONTEXT);
-
-        irq_exit();
 }
 
 void smp_new_mmu_context_version(void)
@@ -1239,8 +1226,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
 {
         clear_softint(1 << irq);
 
-        irq_enter();
-
         preempt_disable();
 
         __asm__ __volatile__("flushw");
@@ -1253,8 +1238,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
         prom_world(0);
 
         preempt_enable();
-
-        irq_exit();
 }
 
 /* /proc/profile writes can call this, don't __init it please. */
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 8d4761f15fa9..ac1bff58c1ac 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -542,20 +542,19 @@ asmlinkage long sparc64_personality(unsigned long personality)
         return ret;
 }
 
-int sparc64_mmap_check(unsigned long addr, unsigned long len,
-                unsigned long flags)
+int sparc64_mmap_check(unsigned long addr, unsigned long len)
 {
         if (test_thread_flag(TIF_32BIT)) {
                 if (len >= STACK_TOP32)
                         return -EINVAL;
 
-                if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
+                if (addr > STACK_TOP32 - len)
                         return -EINVAL;
         } else {
                 if (len >= VA_EXCLUDE_START)
                         return -EINVAL;
 
-                if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
+                if (invalid_64bit_range(addr, len))
                         return -EINVAL;
         }
 
@@ -609,46 +608,19 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr,
         unsigned long old_len, unsigned long new_len,
         unsigned long flags, unsigned long new_addr)
 {
-        struct vm_area_struct *vma;
         unsigned long ret = -EINVAL;
 
         if (test_thread_flag(TIF_32BIT))
                 goto out;
         if (unlikely(new_len >= VA_EXCLUDE_START))
                 goto out;
-        if (unlikely(invalid_64bit_range(addr, old_len)))
+        if (unlikely(sparc64_mmap_check(addr, old_len)))
+                goto out;
+        if (unlikely(sparc64_mmap_check(new_addr, new_len)))
                 goto out;
 
         down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (invalid_64bit_range(new_addr, new_len))
-                        goto out_sem;
-        } else if (invalid_64bit_range(addr, new_len)) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-
-                /* MREMAP_FIXED checked above. */
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                    vma ? vma->vm_pgoff : 0,
-                                    map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
         ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
         up_write(&current->mm->mmap_sem);
 out:
         return ret;       
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 161ce4710fe7..ba5bd626b39e 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -236,13 +236,6 @@ asmlinkage long sys32_getegid16(void)
 
 /* 32-bit timeval and related flotsam.  */
 
-static long get_tv32(struct timeval *o, struct compat_timeval __user *i)
-{
-        return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
-                (__get_user(o->tv_sec, &i->tv_sec) |
-                 __get_user(o->tv_usec, &i->tv_usec)));
-}
-
 static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
 {
         return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
@@ -757,30 +750,6 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv,
         return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-asmlinkage long sys32_utimes(char __user *filename,
-                             struct compat_timeval __user *tvs)
-{
-        struct timespec tv[2];
-
-        if (tvs) {
-                struct timeval ktvs[2];
-                if (get_tv32(&ktvs[0], tvs) ||
-                    get_tv32(&ktvs[1], 1+tvs))
-                        return -EFAULT;
-
-                if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 ||
-                    ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000)
-                        return -EINVAL;
-
-                tv[0].tv_sec = ktvs[0].tv_sec;
-                tv[0].tv_nsec = 1000 * ktvs[0].tv_usec;
-                tv[1].tv_sec = ktvs[1].tv_sec;
-                tv[1].tv_nsec = 1000 * ktvs[1].tv_usec;
-        }
-
-        return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0);
-}
-
 /* These are here just in case some old sparc32 binary calls it. */
 asmlinkage long sys32_pause(void)
 {
@@ -898,44 +867,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
         unsigned long old_len, unsigned long new_len,
         unsigned long flags, u32 __new_addr)
 {
-        struct vm_area_struct *vma;
         unsigned long ret = -EINVAL;
         unsigned long new_addr = __new_addr;
 
-        if (old_len > STACK_TOP32 || new_len > STACK_TOP32)
+        if (unlikely(sparc64_mmap_check(addr, old_len)))
                 goto out;
-        if (addr > STACK_TOP32 - old_len)
+        if (unlikely(sparc64_mmap_check(new_addr, new_len)))
                 goto out;
         down_write(&current->mm->mmap_sem);
-        if (flags & MREMAP_FIXED) {
-                if (new_addr > STACK_TOP32 - new_len)
-                        goto out_sem;
-        } else if (addr > STACK_TOP32 - new_len) {
-                unsigned long map_flags = 0;
-                struct file *file = NULL;
-
-                ret = -ENOMEM;
-                if (!(flags & MREMAP_MAYMOVE))
-                        goto out_sem;
-
-                vma = find_vma(current->mm, addr);
-                if (vma) {
-                        if (vma->vm_flags & VM_SHARED)
-                                map_flags |= MAP_SHARED;
-                        file = vma->vm_file;
-                }
-
-                /* MREMAP_FIXED checked above. */
-                new_addr = get_unmapped_area(file, addr, new_len,
-                                    vma ? vma->vm_pgoff : 0,
-                                    map_flags);
-                ret = new_addr;
-                if (new_addr & ~PAGE_MASK)
-                        goto out_sem;
-                flags |= MREMAP_FIXED;
-        }
         ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
         up_write(&current->mm->mmap_sem);
 out:
         return ret;       
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index a4fef2ba1ae1..8b5282d433c4 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -45,7 +45,7 @@ sys_call_table32:
 /*120*/ .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
         .word sys_nis_syscall, sys32_setreuid16, sys32_setregid16, sys_rename, sys_truncate
 /*130*/ .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall
-        .word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_utimes, compat_sys_stat64
+        .word sys_nis_syscall, sys32_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
 /*140*/ .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
         .word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write
 /*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 4cad0b32b0af..a9828d748e2c 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -610,8 +610,6 @@ static void __init remap_kernel(void)
 
 static void __init inherit_prom_mappings(void)
 {
-        read_obp_translations();
-
         /* Now fixup OBP's idea about where we really are mapped. */
         printk("Remapping the kernel... ");
         remap_kernel();
@@ -771,6 +769,9 @@ static void __init find_ramdisk(unsigned long phys_base)
                 initrd_end = ramdisk_image + sparc_ramdisk_size;
 
                 lmb_reserve(initrd_start, initrd_end);
+
+                initrd_start += PAGE_OFFSET;
+                initrd_end += PAGE_OFFSET;
         }
 #endif
 }
@@ -1744,7 +1745,17 @@ void __init paging_init(void)
 
         lmb_init();
 
-        /* Find available physical memory... */
+        /* Find available physical memory...
+         *
+         * Read it twice in order to work around a bug in openfirmware.
+         * The call to grab this table itself can cause openfirmware to
+         * allocate memory, which in turn can take away some space from
+         * the list of available memory.  Reading it twice makes sure
+         * we really do get the final value.
+         */
+        read_obp_translations();
+        read_obp_memory("reg", &pall[0], &pall_ents);
+        read_obp_memory("available", &pavail[0], &pavail_ents);
         read_obp_memory("available", &pavail[0], &pavail_ents);
 
         phys_base = 0xffffffffffffffffUL;
@@ -1785,8 +1796,6 @@ void __init paging_init(void)
         
         inherit_prom_mappings();
         
-        read_obp_memory("reg", &pall[0], &pall_ents);
-
         init_kpte_bitmap();
 
         /* Ok, we can use our TLB miss and window trap handlers safely.  */
@@ -2362,16 +2371,3 @@ void __flush_tlb_all(void)
         __asm__ __volatile__("wrpr      %0, 0, %%pstate"
                              : : "r" (pstate));
 }
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-
-void online_page(struct page *page)
-{
-        ClearPageReserved(page);
-        init_page_count(page);
-        __free_page(page);
-        totalram_pages++;
-        num_physpages++;
-}
-
-#endif /* CONFIG_MEMORY_HOTPLUG */
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
index 3a4b396d7979..1b238ebae6b3 100644
--- a/arch/um/Kconfig.char
+++ b/arch/um/Kconfig.char
@@ -145,14 +145,14 @@ config LEGACY_PTYS
           systems, it is safe to say N.
 
 config RAW_DRIVER
-        tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
+        tristate "RAW driver (/dev/raw/rawN)"
+        depends on BLOCK
         help
           The raw driver permits block devices to be bound to /dev/raw/rawN.
           Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
           See the raw(8) manpage for more details.
 
-          The raw driver is deprecated and will be removed soon.
-          Applications should simply open the device (eg /dev/hda1)
+          Applications should preferably open the device (eg /dev/hda1)
           with the O_DIRECT flag.
 
 config MAX_RAW_DEVS
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 01b97c19a8ba..dbeab15e7bb7 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -77,10 +77,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
 KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
                          -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES))
 KBUILD_CFLAGS += $(KERNEL_DEFINES)
-# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
-# a lot more stack due to the lack of sharing of stacklots:
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
-                        echo $(call cc-option,-fno-unit-at-a-time); fi ;)
+KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
 
 PHONY += linux
 
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 025764089ac8..cfeb3f4a44af 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -11,6 +11,7 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 #include "chan_user.h"
+#include "kern_constants.h"
 #include "os.h"
 #include "um_malloc.h"
 #include "user.h"
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index ca8c9e11a39b..f5701fd2ef90 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -8,7 +8,7 @@
 
 static inline void *cow_malloc(int size)
 {
-        return kmalloc(size, UM_GFP_KERNEL);
+        return uml_kmalloc(size, UM_GFP_KERNEL);
 }
 
 static inline void cow_free(void *ptr)
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index f23c109a055c..f8e85e0bdace 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -34,7 +34,7 @@ static struct sockaddr_un *new_addr(void *name, int len)
 {
         struct sockaddr_un *sun;
 
-        sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+        sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
         if (sun == NULL) {
                 printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
                        "failed\n");
@@ -83,7 +83,7 @@ static int connect_to_switch(struct daemon_data *pri)
                 goto out_close;
         }
 
-        sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+        sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
         if (sun == NULL) {
                 printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
                        "failed\n");
diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c
index 0a2bb5b64b82..f5a981a16240 100644
--- a/arch/um/drivers/fd.c
+++ b/arch/um/drivers/fd.c
@@ -40,7 +40,7 @@ static void *fd_init(char *str, int device, const struct chan_opts *opts)
                 return NULL;
         }
 
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
         if (data == NULL)
                 return NULL;
 
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ff1b22b69e9c..368219cc2366 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -154,7 +154,7 @@ static int hostaudio_ioctl(struct inode *inode, struct file *file,
         case SNDCTL_DSP_SUBDIVIDE:
         case SNDCTL_DSP_SETFRAGMENT:
                 if (get_user(data, (int __user *) arg))
-                        return EFAULT;
+                        return -EFAULT;
                 break;
         default:
                 break;
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 10b86e1cc659..5047490fc299 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -191,9 +191,9 @@ void line_flush_chars(struct tty_struct *tty)
         line_flush_buffer(tty);
 }
 
-void line_put_char(struct tty_struct *tty, unsigned char ch)
+int line_put_char(struct tty_struct *tty, unsigned char ch)
 {
-        line_write(tty, &ch, sizeof(ch));
+        return line_write(tty, &ch, sizeof(ch));
 }
 
 int line_write(struct tty_struct *tty, const unsigned char *buf, int len)
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 5f647d7a7292..ee19e91568a2 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -15,6 +15,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <netinet/in.h>
+#include "kern_constants.h"
 #include "mcast.h"
 #include "net_user.h"
 #include "um_malloc.h"
@@ -24,7 +25,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port)
 {
         struct sockaddr_in *sin;
 
-        sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
+        sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
         if (sin == NULL) {
                 printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
                        "failed\n");
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index abf2653f5517..9415dd9e63ef 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -222,7 +222,7 @@ static void change(char *dev, char *what, unsigned char *addr,
                 netmask[2], netmask[3]);
 
         output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
         if (output == NULL)
                 printk(UM_KERN_ERR "change : failed to allocate output "
                        "buffer\n");
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index d269ca387f10..b49bf56a56aa 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -47,7 +47,7 @@ static void *port_init(char *str, int device, const struct chan_opts *opts)
         if (kern_data == NULL)
                 return NULL;
 
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
         if (data == NULL)
                 goto err;
 
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index 49c79dda6046..1113911dcb2b 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -29,7 +29,7 @@ static void *pty_chan_init(char *str, int device, const struct chan_opts *opts)
 {
         struct pty_chan *data;
 
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
         if (data == NULL)
                 return NULL;
 
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 71f0959c1535..4949044773ba 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */
+/* Copyright (C) 2005 - 2008 Jeff Dike <jdike@{linux.intel,addtoit}.com> */
+
 /* Much of this ripped from drivers/char/hw_random.c, see there for other
  * copyright.
  *
@@ -8,16 +9,18 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/interrupt.h>
 #include <linux/miscdevice.h>
 #include <linux/delay.h>
 #include <asm/uaccess.h>
+#include "irq_kern.h"
 #include "os.h"
 
 /*
  * core module and version information
  */
 #define RNG_VERSION "1.0.0"
-#define RNG_MODULE_NAME "random"
+#define RNG_MODULE_NAME "hw_random"
 
 #define RNG_MISCDEV_MINOR               183 /* official */
 
@@ -26,47 +29,67 @@
  * protects against a module being loaded twice at the same time.
  */
 static int random_fd = -1;
+static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
 
 static int rng_dev_open (struct inode *inode, struct file *filp)
 {
         /* enforce read-only access to this chrdev */
         if ((filp->f_mode & FMODE_READ) == 0)
                 return -EINVAL;
-        if (filp->f_mode & FMODE_WRITE)
+        if ((filp->f_mode & FMODE_WRITE) != 0)
                 return -EINVAL;
 
         return 0;
 }
 
+static atomic_t host_sleep_count = ATOMIC_INIT(0);
+
 static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
-                             loff_t * offp)
+                             loff_t *offp)
 {
-        u32 data;
-        int n, ret = 0, have_data;
-
-        while(size){
-                n = os_read_file(random_fd, &data, sizeof(data));
-                if(n > 0){
-                        have_data = n;
-                        while (have_data && size) {
-                                if (put_user((u8)data, buf++)) {
-                                        ret = ret ? : -EFAULT;
-                                        break;
-                                }
-                                size--;
-                                ret++;
-                                have_data--;
-                                data>>=8;
-                        }
-                }
-                else if(n == -EAGAIN){
-                        if (filp->f_flags & O_NONBLOCK)
-                                return ret ? : -EAGAIN;
-
-                        if(need_resched())
-                                schedule_timeout_interruptible(1);
-                }
-                else return n;
+        u32 data;
+        int n, ret = 0, have_data;
+
+        while (size) {
+                n = os_read_file(random_fd, &data, sizeof(data));
+                if (n > 0) {
+                        have_data = n;
+                        while (have_data && size) {
+                                if (put_user((u8) data, buf++)) {
+                                        ret = ret ? : -EFAULT;
+                                        break;
+                                }
+                                size--;
+                                ret++;
+                                have_data--;
+                                data >>= 8;
+                        }
+                }
+                else if (n == -EAGAIN) {
+                        DECLARE_WAITQUEUE(wait, current);
+
+                        if (filp->f_flags & O_NONBLOCK)
+                                return ret ? : -EAGAIN;
+
+                        atomic_inc(&host_sleep_count);
+                        reactivate_fd(random_fd, RANDOM_IRQ);
+                        add_sigio_fd(random_fd);
+
+                        add_wait_queue(&host_read_wait, &wait);
+                        set_task_state(current, TASK_INTERRUPTIBLE);
+
+                        schedule();
+                        set_task_state(current, TASK_RUNNING);
+                        remove_wait_queue(&host_read_wait, &wait);
+
+                        if (atomic_dec_and_test(&host_sleep_count)) {
+                                ignore_sigio_fd(random_fd);
+                                deactivate_fd(random_fd, RANDOM_IRQ);
+                        }
+                }
+                else
+                        return n;
+
                 if (signal_pending (current))
                         return ret ? : -ERESTARTSYS;
         }
@@ -86,6 +109,13 @@ static struct miscdevice rng_miscdev = {
         &rng_chrdev_ops,
 };
 
+static irqreturn_t random_interrupt(int irq, void *data)
+{
+        wake_up(&host_read_wait);
+
+        return IRQ_HANDLED;
+}
+
 /*
  * rng_init - initialize RNG module
  */
@@ -93,28 +123,33 @@ static int __init rng_init (void)
 {
         int err;
 
-        err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
-        if(err < 0)
-                goto out;
+        err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
+        if (err < 0)
+                goto out;
 
-        random_fd = err;
+        random_fd = err;
 
-        err = os_set_fd_block(random_fd, 0);
-        if(err)
+        err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
+                             IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "random",
+                             NULL);
+        if (err)
                 goto err_out_cleanup_hw;
 
+        sigio_broken(random_fd, 1);
+
         err = misc_register (&rng_miscdev);
         if (err) {
-                printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n");
+                printk (KERN_ERR RNG_MODULE_NAME ": misc device register "
+                        "failed\n");
                 goto err_out_cleanup_hw;
         }
+out:
+        return err;
 
- out:
-        return err;
-
- err_out_cleanup_hw:
-        random_fd = -1;
-        goto out;
+err_out_cleanup_hw:
+        os_close_file(random_fd);
+        random_fd = -1;
+        goto out;
 }
 
 /*
@@ -122,6 +157,7 @@ static int __init rng_init (void)
  */
 static void __exit rng_cleanup (void)
 {
+        os_close_file(random_fd);
         misc_deregister (&rng_miscdev);
 }
 
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 8b80505a3fb0..a1c2d2c98a94 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -96,7 +96,7 @@ static int slip_tramp(char **argv, int fd)
         pid = err;
 
         output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
         if (output == NULL) {
                 printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
                        "buffer\n");
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index c930fedc5172..495858a090e4 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -29,7 +29,7 @@ static void *tty_chan_init(char *str, int device, const struct chan_opts *opts)
         }
         str++;
 
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
         if (data == NULL)
                 return NULL;
         *data = ((struct tty_chan) { .dev       = str,
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 5e45e39a8a8d..44ad1607be2d 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1178,8 +1178,8 @@ static void cowify_bitmap(__u64 io_offset, int length, unsigned long *cow_mask,
          * by one word.  Thanks to Lynn Kerby for the fix and James McMechan
          * for the original diagnosis.
          */
-        if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) /
-                           sizeof(unsigned long) - 1))
+        if (*cow_offset == (DIV_ROUND_UP(bitmap_len,
+                                         sizeof(unsigned long)) - 1))
                 (*cow_offset)--;
 
         bitmap_words[0] = bitmap[*cow_offset];
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index 8a1c18a9b240..da2caa5a21ef 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -30,7 +30,7 @@ static void *xterm_init(char *str, int device, const struct chan_opts *opts)
 {
         struct xterm_chan *data;
 
-        data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+        data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
         if (data == NULL)
                 return NULL;
         *data = ((struct xterm_chan) { .pid             = -1,
diff --git a/arch/um/include/as-layout.h b/arch/um/include/as-layout.h
index cac542d8ff70..58e852dfb0ce 100644
--- a/arch/um/include/as-layout.h
+++ b/arch/um/include/as-layout.h
@@ -23,16 +23,16 @@
  */
 
 #ifdef __ASSEMBLY__
-#define _AC(X, Y)       (Y)
+#define _UML_AC(X, Y)   (Y)
 #else
-#define __AC(X, Y)      (X (Y))
-#define _AC(X, Y)       __AC(X, Y)
+#define __UML_AC(X, Y)  (X(Y))
+#define _UML_AC(X, Y)   __UML_AC(X, Y)
 #endif
 
-#define STUB_START _AC(, 0x100000)
-#define STUB_CODE _AC((unsigned long), STUB_START)
-#define STUB_DATA _AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
-#define STUB_END _AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
+#define STUB_START _UML_AC(, 0x100000)
+#define STUB_CODE _UML_AC((unsigned long), STUB_START)
+#define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
+#define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 1223f2c844b4..311a0d3d93af 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -58,11 +58,11 @@ struct line {
 };
 
 #define LINE_INIT(str, d) \
-        { .count_lock = SPIN_LOCK_UNLOCKED, \
+        { .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \
           .init_str =   str,    \
           .init_pri =   INIT_STATIC, \
           .valid =      1, \
-          .lock =       SPIN_LOCK_UNLOCKED, \
+          .lock =       __SPIN_LOCK_UNLOCKED((str).lock), \
           .driver =     d }
 
 extern void line_close(struct tty_struct *tty, struct file * filp);
@@ -71,7 +71,7 @@ extern int line_setup(struct line *lines, unsigned int sizeof_lines,
                       char *init, char **error_out);
 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
                       int len);
-extern void line_put_char(struct tty_struct *tty, unsigned char ch);
+extern int line_put_char(struct tty_struct *tty, unsigned char ch);
 extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
 extern int line_chars_in_buffer(struct tty_struct *tty);
 extern void line_flush_buffer(struct tty_struct *tty);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 32c799e3a495..e2716ac8889a 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -290,6 +290,7 @@ extern void os_set_ioignore(void);
 extern int add_sigio_fd(int fd);
 extern int ignore_sigio_fd(int fd);
 extern void maybe_sigio_broken(int fd, int read);
+extern void sigio_broken(int fd, int read);
 
 /* sys-x86_64/prctl.c */
 extern int os_arch_prctl(int pid, int code, unsigned long *addr);
diff --git a/arch/um/include/process.h b/arch/um/include/process.h
index 5af9157ff54f..bb873a51262e 100644
--- a/arch/um/include/process.h
+++ b/arch/um/include/process.h
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
@@ -8,18 +8,10 @@
 
 #include <signal.h>
 
-extern void sig_handler(int sig, struct sigcontext sc);
-extern void alarm_handler(int sig, struct sigcontext sc);
+/* Copied from linux/compiler-gcc.h since we can't include it directly */
+#define barrier() __asm__ __volatile__("": : :"memory")
 
-#endif
+extern void sig_handler(int sig, struct sigcontext *sc);
+extern void alarm_handler(int sig, struct sigcontext *sc);
 
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h
index cd2327d09c8d..3d31bbacd016 100644
--- a/arch/um/include/skas_ptrace.h
+++ b/arch/um/include/skas_ptrace.h
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
@@ -12,14 +12,3 @@
 #include "sysdep/skas_ptrace.h"
 
 #endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/sysdep-i386/ptrace_user.h b/arch/um/include/sysdep-i386/ptrace_user.h
index 75650723c38f..ef56247e4143 100644
--- a/arch/um/include/sysdep-i386/ptrace_user.h
+++ b/arch/um/include/sysdep-i386/ptrace_user.h
@@ -41,38 +41,10 @@
 #define PT_SP_OFFSET PT_OFFSET(UESP)
 #define PT_SP(regs) ((regs)[UESP])
 
-#define FP_SIZE ((HOST_XFP_SIZE > HOST_FP_SIZE) ? HOST_XFP_SIZE : HOST_FP_SIZE)
+#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
 
 #ifndef FRAME_SIZE
 #define FRAME_SIZE (17)
 #endif
-#define FRAME_SIZE_OFFSET (FRAME_SIZE * sizeof(unsigned long))
-
-#define FP_FRAME_SIZE (27)
-#define FPX_FRAME_SIZE (128)
-
-#ifdef PTRACE_GETREGS
-#define UM_HAVE_GETREGS
-#endif
-
-#ifdef PTRACE_SETREGS
-#define UM_HAVE_SETREGS
-#endif
-
-#ifdef PTRACE_GETFPREGS
-#define UM_HAVE_GETFPREGS
-#endif
-
-#ifdef PTRACE_SETFPREGS
-#define UM_HAVE_SETFPREGS
-#endif
-
-#ifdef PTRACE_GETFPXREGS
-#define UM_HAVE_GETFPXREGS
-#endif
-
-#ifdef PTRACE_SETFPXREGS
-#define UM_HAVE_SETFPXREGS
-#endif
 
 #endif
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index 67e77122aa45..f583c87111a0 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -10,7 +10,7 @@
 
 #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
 
-#define GET_FAULTINFO_FROM_SC(fi,sc) \
+#define GET_FAULTINFO_FROM_SC(fi, sc) \
         { \
                 (fi).cr2 = SC_CR2(sc); \
                 (fi).error_code = SC_ERR(sc); \
diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/sysdep-x86_64/ptrace_user.h
index 45c0bd881cb3..4dbccdb58f48 100644
--- a/arch/um/include/sysdep-x86_64/ptrace_user.h
+++ b/arch/um/include/sysdep-x86_64/ptrace_user.h
@@ -48,7 +48,8 @@
 #define PT_ORIG_RAX_OFFSET (ORIG_RAX)
 #define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])
 
-/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
+/*
+ * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
  * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
  * 2.4 name and value for 2.4 host compatibility.
  */
@@ -56,7 +57,8 @@
 #define PTRACE_OLDSETOPTIONS 21
 #endif
 
-/* These are before the system call, so the system call number is RAX
+/*
+ * These are before the system call, so the system call number is RAX
  * rather than ORIG_RAX, and arg4 is R10 rather than RCX
  */
 #define REGS_SYSCALL_NR PT_INDEX(RAX)
@@ -73,14 +75,3 @@
 #define FP_SIZE (HOST_FP_SIZE)
 
 #endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h
index 0ad17cb83d96..c554d706d106 100644
--- a/arch/um/include/um_malloc.h
+++ b/arch/um/include/um_malloc.h
@@ -8,15 +8,12 @@
 
 #include "kern_constants.h"
 
-extern void *__kmalloc(int size, int flags);
-static inline void *kmalloc(int size, int flags)
-{
-        return __kmalloc(size, flags);
-}
-
+extern void *uml_kmalloc(int size, int flags);
 extern void kfree(const void *ptr);
 
 extern void *vmalloc(unsigned long size);
 extern void vfree(void *ptr);
 
 #endif /* __UM_MALLOC_H__ */
+
+
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index 26090b7f323e..9975e1ab44fb 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -1,4 +1,5 @@
 #include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
 
 OUTPUT_FORMAT(ELF_FORMAT)
 OUTPUT_ARCH(ELF_ARCH)
@@ -21,7 +22,7 @@ SECTIONS
         _einittext = .;
   }
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
 
   /* Read-only sections, merged into text segment: */
   .hash           : { *(.hash) }
@@ -68,9 +69,9 @@ SECTIONS
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
 
-    . = ALIGN(4096);
+    . = ALIGN(PAGE_SIZE);
   } =0x90909090
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .syscall_stub : {
         __syscall_stub_start = .;
         *(.__syscall_stub*)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 2eea1ff235e6..b0ee64622ff7 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -375,3 +375,8 @@ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
         return pmd;
 }
 #endif
+
+void *uml_kmalloc(int size, int flags)
+{
+        return kmalloc(size, flags);
+}
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 0d0cea2ac98d..c3e2f369c33c 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -75,7 +75,7 @@ static irqreturn_t um_timer(int irq, void *dev)
 
 static cycle_t itimer_read(void)
 {
-        return os_nsecs();
+        return os_nsecs() / 1000;
 }
 
 static struct clocksource itimer_clocksource = {
@@ -83,7 +83,7 @@ static struct clocksource itimer_clocksource = {
         .rating         = 300,
         .read           = itimer_read,
         .mask           = CLOCKSOURCE_MASK(64),
-        .mult           = 1,
+        .mult           = 1000,
         .shift          = 0,
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 56deed623446..9db85b2ce698 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -150,7 +150,7 @@ __uml_setup("root=", uml_root_setup,
 static int __init no_skas_debug_setup(char *line, int *add)
 {
         printf("'debug' is not necessary to gdb UML in skas mode - run \n");
-        printf("'gdb linux'");
+        printf("'gdb linux'\n");
 
         return 0;
 }
@@ -258,6 +258,7 @@ int __init linux_main(int argc, char **argv)
 {
         unsigned long avail, diff;
         unsigned long virtmem_size, max_physmem;
+        unsigned long stack;
         unsigned int i;
         int add;
         char * mode;
@@ -348,7 +349,9 @@ int __init linux_main(int argc, char **argv)
         }
 
         virtmem_size = physmem_size;
-        avail = TASK_SIZE - start_vm;
+        stack = (unsigned long) argv;
+        stack &= ~(1024 * 1024 - 1);
+        avail = stack - start_vm;
         if (physmem_size > avail)
                 virtmem_size = avail;
         end_vm = start_vm + virtmem_size;
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 5828c1d54505..11b835248b86 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -1,4 +1,5 @@
 #include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
 
 OUTPUT_FORMAT(ELF_FORMAT)
 OUTPUT_ARCH(ELF_ARCH)
@@ -26,7 +27,7 @@ SECTIONS
         INIT_TEXT
         _einittext = .;
   }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
 
   .text      :
   {
@@ -39,7 +40,7 @@ SECTIONS
     *(.gnu.linkonce.t*)
   }
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .syscall_stub : {
         __syscall_stub_start = .;
         *(.__syscall_stub*)
@@ -79,7 +80,7 @@ SECTIONS
   .sdata     : { *(.sdata) }
   _edata  =  .;
   PROVIDE (edata = .);
-  . = ALIGN(0x1000);
+  . = ALIGN(PAGE_SIZE);
   .sbss      :
   {
    __bss_start = .;
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 6fb0b174f538..cc72cb2c1af6 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -52,7 +52,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask,
                 return;
         }
 
-        output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
+        output = uml_kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
         if (output == NULL)
                 printk(UM_KERN_ERR "etap_change : Failed to allocate output "
                        "buffer\n");
@@ -165,7 +165,7 @@ static int etap_open(void *data)
         err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0],
                          control_fds[1], data_fds[0], data_fds[1]);
         output_len = UM_KERN_PAGE_SIZE;
-        output = kmalloc(output_len, UM_GFP_KERNEL);
+        output = uml_kmalloc(output_len, UM_GFP_KERNEL);
         read_output(control_fds[0], output, output_len);
 
         if (output == NULL)
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index f25c29a12d00..74ca7aabf4e1 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -71,8 +71,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
         data.pre_data = pre_data;
         data.argv = argv;
         data.fd = fds[1];
-        data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
-                                        kmalloc(PATH_MAX, UM_GFP_KERNEL);
+        data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+                                        uml_kmalloc(PATH_MAX, UM_GFP_KERNEL);
         pid = clone(helper_child, (void *) sp, CLONE_VM, &data);
         if (pid < 0) {
                 ret = -errno;
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index abb9b0ffd960..eee69b9f52c9 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -199,7 +199,7 @@ void *__wrap_malloc(int size)
                 return __real_malloc(size);
         else if (size <= UM_KERN_PAGE_SIZE)
                 /* finding contiguous pages can be hard*/
-                ret = kmalloc(size, UM_GFP_KERNEL);
+                ret = uml_kmalloc(size, UM_GFP_KERNEL);
         else ret = vmalloc(size);
 
         /*
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index abf47a7c4abd..eb8f2e4be192 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
@@ -15,6 +15,7 @@
 #include "kern_util.h"
 #include "init.h"
 #include "os.h"
+#include "process.h"
 #include "sigio.h"
 #include "um_malloc.h"
 #include "user.h"
@@ -109,7 +110,7 @@ static int need_poll(struct pollfds *polls, int n)
         if (n <= polls->size)
                 return 0;
 
-        new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
+        new = uml_kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
         if (new == NULL) {
                 printk(UM_KERN_ERR "need_poll : failed to allocate new "
                        "pollfds\n");
@@ -243,7 +244,7 @@ static struct pollfd *setup_initial_poll(int fd)
 {
         struct pollfd *p;
 
-        p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
+        p = uml_kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
         if (p == NULL) {
                 printk(UM_KERN_ERR "setup_initial_poll : failed to allocate "
                        "poll\n");
@@ -338,20 +339,10 @@ out_close1:
         close(l_write_sigio_fds[1]);
 }
 
-/* Changed during early boot */
-static int pty_output_sigio = 0;
-static int pty_close_sigio = 0;
-
-void maybe_sigio_broken(int fd, int read)
+void sigio_broken(int fd, int read)
 {
         int err;
 
-        if (!isatty(fd))
-                return;
-
-        if ((read || pty_output_sigio) && (!read || pty_close_sigio))
-                return;
-
         write_sigio_workaround();
 
         sigio_lock();
@@ -370,6 +361,21 @@ out:
         sigio_unlock();
 }
 
+/* Changed during early boot */
+static int pty_output_sigio;
+static int pty_close_sigio;
+
+void maybe_sigio_broken(int fd, int read)
+{
+        if (!isatty(fd))
+                return;
+
+        if ((read || pty_output_sigio) && (!read || pty_close_sigio))
+                return;
+
+        sigio_broken(fd, read);
+}
+
 static void sigio_cleanup(void)
 {
         if (write_sigio_pid == -1)
@@ -383,7 +389,7 @@ static void sigio_cleanup(void)
 __uml_exitcall(sigio_cleanup);
 
 /* Used as a flag during SIGIO testing early in boot */
-static volatile int got_sigio = 0;
+static int got_sigio;
 
 static void __init handler(int sig)
 {
@@ -498,7 +504,8 @@ static void tty_output(int master, int slave)
         if (errno != EAGAIN)
                 printk(UM_KERN_ERR "tty_output : write failed, errno = %d\n",
                        errno);
-        while (((n = read(slave, buf, sizeof(buf))) > 0) && !got_sigio)
+        while (((n = read(slave, buf, sizeof(buf))) > 0) &&
+               !({ barrier(); got_sigio; }))
                 ;
 
         if (got_sigio) {
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 3f1694b134cb..5aade6027e40 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -12,6 +12,7 @@
 #include "as-layout.h"
 #include "kern_util.h"
 #include "os.h"
+#include "process.h"
 #include "sysdep/barrier.h"
 #include "sysdep/sigcontext.h"
 #include "user.h"
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 1e8cba6550a9..6be028ca1817 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -442,7 +442,7 @@ void userspace(struct uml_pt_regs *regs)
                                 unblock_signals();
                                 break;
                         default:
-                                printk(UM_KERN_ERR "userspace - child stopped "
+                                printk(UM_KERN_ERR "userspace - child stopped "
                                        "with signal %d\n", sig);
                                 fatal_sigsegv();
                         }
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 997d01944f91..b4b36e0f2e89 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -23,6 +23,7 @@
 #include "mem_user.h"
 #include "ptrace_user.h"
 #include "registers.h"
+#include "skas.h"
 #include "skas_ptrace.h"
 
 static void ptrace_child(void)
@@ -140,14 +141,27 @@ static int stop_ptraced_child(int pid, int exitcode, int mustexit)
 }
 
 /* Changed only during early boot */
-int ptrace_faultinfo = 1;
-int ptrace_ldt = 1;
-int proc_mm = 1;
-int skas_needs_stub = 0;
+int ptrace_faultinfo;
+static int disable_ptrace_faultinfo;
+
+int ptrace_ldt;
+static int disable_ptrace_ldt;
+
+int proc_mm;
+static int disable_proc_mm;
+
+int have_switch_mm;
+static int disable_switch_mm;
+
+int skas_needs_stub;
 
 static int __init skas0_cmd_param(char *str, int* add)
 {
-        ptrace_faultinfo = proc_mm = 0;
+        disable_ptrace_faultinfo = 1;
+        disable_ptrace_ldt = 1;
+        disable_proc_mm = 1;
+        disable_switch_mm = 1;
+
         return 0;
 }
 
@@ -157,15 +171,12 @@ static int __init mode_skas0_cmd_param(char *str, int* add)
         __attribute__((alias("skas0_cmd_param")));
 
 __uml_setup("skas0", skas0_cmd_param,
-                "skas0\n"
-                "    Disables SKAS3 usage, so that SKAS0 is used, unless \n"
-                "    you specify mode=tt.\n\n");
+"skas0\n"
+"    Disables SKAS3 and SKAS4 usage, so that SKAS0 is used\n\n");
 
 __uml_setup("mode=skas0", mode_skas0_cmd_param,
-                "mode=skas0\n"
-                "    Disables SKAS3 usage, so that SKAS0 is used, unless you \n"
-                "    specify mode=tt. Note that this was recently added - on \n"
-                "    older kernels you must use simply \"skas0\".\n\n");
+"mode=skas0\n"
+"    Disables SKAS3 and SKAS4 usage, so that SKAS0 is used.\n\n");
 
 /* Changed only during early boot */
 static int force_sysemu_disabled = 0;
@@ -360,7 +371,7 @@ void __init os_early_checks(void)
 
 static int __init noprocmm_cmd_param(char *str, int* add)
 {
-        proc_mm = 0;
+        disable_proc_mm = 1;
         return 0;
 }
 
@@ -372,7 +383,7 @@ __uml_setup("noprocmm", noprocmm_cmd_param,
 
 static int __init noptracefaultinfo_cmd_param(char *str, int* add)
 {
-        ptrace_faultinfo = 0;
+        disable_ptrace_faultinfo = 1;
         return 0;
 }
 
@@ -384,7 +395,7 @@ __uml_setup("noptracefaultinfo", noptracefaultinfo_cmd_param,
 
 static int __init noptraceldt_cmd_param(char *str, int* add)
 {
-        ptrace_ldt = 0;
+        disable_ptrace_ldt = 1;
         return 0;
 }
 
@@ -404,17 +415,15 @@ static inline void check_skas3_ptrace_faultinfo(void)
 
         n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
         if (n < 0) {
-                ptrace_faultinfo = 0;
                 if (errno == EIO)
                         non_fatal("not found\n");
                 else
                         perror("not found");
-        }
+        } else if (disable_ptrace_faultinfo)
+                non_fatal("found but disabled on command line\n");
         else {
-                if (!ptrace_faultinfo)
-                        non_fatal("found but disabled on command line\n");
-                else
-                        non_fatal("found\n");
+                ptrace_faultinfo = 1;
+                non_fatal("found\n");
         }
 
         stop_ptraced_child(pid, 1, 1);
@@ -437,38 +446,30 @@ static inline void check_skas3_ptrace_ldt(void)
         if (n < 0) {
                 if (errno == EIO)
                         non_fatal("not found\n");
-                else {
+                else
                         perror("not found");
-                }
-                ptrace_ldt = 0;
-        }
+        } else if (disable_ptrace_ldt)
+                non_fatal("found, but use is disabled\n");
         else {
-                if (ptrace_ldt)
-                        non_fatal("found\n");
-                else
-                        non_fatal("found, but use is disabled\n");
+                ptrace_ldt = 1;
+                non_fatal("found\n");
         }
 
         stop_ptraced_child(pid, 1, 1);
-#else
-        /* PTRACE_LDT might be disabled via cmdline option.
-         * We want to override this, else we might use the stub
-         * without real need
-         */
-        ptrace_ldt = 1;
 #endif
 }
 
 static inline void check_skas3_proc_mm(void)
 {
         non_fatal("  - /proc/mm...");
-        if (access("/proc/mm", W_OK) < 0) {
-                proc_mm = 0;
+        if (access("/proc/mm", W_OK) < 0)
                 perror("not found");
-        }
-        else if (!proc_mm)
+        else if (disable_proc_mm)
                 non_fatal("found but disabled on command line\n");
-        else non_fatal("found\n");
+        else {
+                proc_mm = 1;
+                non_fatal("found\n");
+        }
 }
 
 void can_do_skas(void)
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index b613473b3ec1..c6183e7aec3d 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -5,6 +5,7 @@
  */
 
 #include <errno.h>
+#include <asm/user.h>
 #include "kern_constants.h"
 #include "longjmp.h"
 #include "user.h"
@@ -74,10 +75,10 @@ int put_fp_registers(int pid, unsigned long *regs)
 
 void arch_init_registers(int pid)
 {
-        unsigned long fpx_regs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpx_regs;
         int err;
 
-        err = ptrace(PTRACE_GETFPXREGS, pid, 0, fpx_regs);
+        err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);
         if (!err)
                 return;
 
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index e49280599465..bee98f466d66 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -9,7 +9,9 @@
 #include <time.h>
 #include <sys/time.h>
 #include "kern_constants.h"
+#include "kern_util.h"
 #include "os.h"
+#include "process.h"
 #include "user.h"
 
 int set_interval(void)
@@ -58,12 +60,17 @@ static inline long long timeval_to_ns(const struct timeval *tv)
 long long disable_timer(void)
 {
         struct itimerval time = ((struct itimerval) { { 0, 0 }, { 0, 0 } });
+        int remain, max = UM_NSEC_PER_SEC / UM_HZ;
 
         if (setitimer(ITIMER_VIRTUAL, &time, &time) < 0)
                 printk(UM_KERN_ERR "disable_timer - setitimer failed, "
                        "errno = %d\n", errno);
 
-        return timeval_to_ns(&time.it_value);
+        remain = timeval_to_ns(&time.it_value);
+        if (remain > max)
+                remain = max;
+
+        return remain;
 }
 
 long long os_nsecs(void)
@@ -79,7 +86,44 @@ static int after_sleep_interval(struct timespec *ts)
 {
         return 0;
 }
+
+static void deliver_alarm(void)
+{
+        alarm_handler(SIGVTALRM, NULL);
+}
+
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+        return nsecs;
+}
+
 #else
+unsigned long long last_tick;
+unsigned long long skew;
+
+static void deliver_alarm(void)
+{
+        unsigned long long this_tick = os_nsecs();
+        int one_tick = UM_NSEC_PER_SEC / UM_HZ;
+
+        if (last_tick == 0)
+                last_tick = this_tick - one_tick;
+
+        skew += this_tick - last_tick;
+
+        while (skew >= one_tick) {
+                alarm_handler(SIGVTALRM, NULL);
+                skew -= one_tick;
+        }
+
+        last_tick = this_tick;
+}
+
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+        return nsecs > skew ? nsecs - skew : 0;
+}
+
 static inline long long timespec_to_us(const struct timespec *ts)
 {
         return ((long long) ts->tv_sec * UM_USEC_PER_SEC) +
@@ -102,6 +146,8 @@ static int after_sleep_interval(struct timespec *ts)
          */
         if (start_usecs > usec)
                 start_usecs = usec;
+
+        start_usecs -= skew / UM_NSEC_PER_USEC;
         tv = ((struct timeval) { .tv_sec  = start_usecs / UM_USEC_PER_SEC,
                                  .tv_usec = start_usecs % UM_USEC_PER_SEC });
         interval = ((struct itimerval) { { 0, usec }, tv });
@@ -113,8 +159,6 @@ static int after_sleep_interval(struct timespec *ts)
 }
 #endif
 
-extern void alarm_handler(int sig, struct sigcontext *sc);
-
 void idle_sleep(unsigned long long nsecs)
 {
         struct timespec ts;
@@ -126,10 +170,12 @@ void idle_sleep(unsigned long long nsecs)
          */
         if (nsecs == 0)
                 nsecs = UM_NSEC_PER_SEC / UM_HZ;
+
+        nsecs = sleep_time(nsecs);
         ts = ((struct timespec) { .tv_sec       = nsecs / UM_NSEC_PER_SEC,
                                   .tv_nsec      = nsecs % UM_NSEC_PER_SEC });
 
         if (nanosleep(&ts, &ts) == 0)
-                alarm_handler(SIGVTALRM, NULL);
+                deliver_alarm();
         after_sleep_interval(&ts);
 }
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 6b4499906a6c..c9b176534d65 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -148,14 +148,13 @@ int peek_user(struct task_struct *child, long addr, long data)
 int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
         int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_FP_SIZE];
+        struct user_i387_struct fpregs;
 
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
-        err = save_fp_registers(userspace_pid[cpu], fpregs);
+        err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
         if (err)
                 return err;
 
-        n = copy_to_user(buf, fpregs, sizeof(fpregs));
+        n = copy_to_user(buf, &fpregs, sizeof(fpregs));
         if(n > 0)
                 return -EFAULT;
 
@@ -165,27 +164,26 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
         int n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_FP_SIZE];
+        struct user_i387_struct fpregs;
 
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
-        n = copy_from_user(fpregs, buf, sizeof(fpregs));
+        n = copy_from_user(&fpregs, buf, sizeof(fpregs));
         if (n > 0)
                 return -EFAULT;
 
-        return restore_fp_registers(userspace_pid[cpu], fpregs);
+        return restore_fp_registers(userspace_pid[cpu],
+                                    (unsigned long *) &fpregs);
 }
 
 int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
         int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpregs;
 
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
-        err = save_fpx_registers(userspace_pid[cpu], fpregs);
+        err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
         if (err)
                 return err;
 
-        n = copy_to_user(buf, fpregs, sizeof(fpregs));
+        n = copy_to_user(buf, &fpregs, sizeof(fpregs));
         if(n > 0)
                 return -EFAULT;
 
@@ -195,14 +193,14 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
         int n, cpu = ((struct thread_info *) child->stack)->cpu;
-        long fpregs[HOST_XFP_SIZE];
+        struct user_fxsr_struct fpregs;
 
-        BUG_ON(sizeof(*buf) != sizeof(fpregs));
-        n = copy_from_user(fpregs, buf, sizeof(fpregs));
+        n = copy_from_user(&fpregs, buf, sizeof(fpregs));
         if (n > 0)
                 return -EFAULT;
 
-        return restore_fpx_registers(userspace_pid[cpu], fpregs);
+        return restore_fpx_registers(userspace_pid[cpu],
+                                     (unsigned long *) &fpregs);
 }
 
 long subarch_ptrace(struct task_struct *child, long request, long addr,
diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
index 39bd32bf84f0..5f883bfe773f 100644
--- a/arch/um/sys-i386/user-offsets.c
+++ b/arch/um/sys-i386/user-offsets.c
@@ -22,7 +22,7 @@ void foo(void)
         OFFSET(HOST_SC_CR2, sigcontext, cr2);
 
         DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
-        DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fpxregs_struct));
+        DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
 
         DEFINE(HOST_IP, EIP);
         DEFINE(HOST_SP, UESP);
diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c
index 2f3443c6e859..973585414a66 100644
--- a/arch/um/sys-x86_64/user-offsets.c
+++ b/arch/um/sys-x86_64/user-offsets.c
@@ -24,7 +24,6 @@ void foo(void)
         OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
 
         DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
-        DEFINE(HOST_XFP_SIZE, 0);
         DEFINE_LONGS(HOST_RBX, RBX);
         DEFINE_LONGS(HOST_RCX, RCX);
         DEFINE_LONGS(HOST_RDI, RDI);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 845ea2b2d487..fe361ae7ef2f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -18,6 +18,7 @@ config X86_64
 ### Arch settings
 config X86
         def_bool y
+        select HAVE_UNSTABLE_SCHED_CLOCK
         select HAVE_IDE
         select HAVE_OPROFILE
         select HAVE_KPROBES
@@ -334,6 +335,7 @@ config X86_RDC321X
         select GENERIC_GPIO
         select LEDS_CLASS
         select LEDS_GPIO
+        select NEW_LEDS
         help
           This option is needed for RDC R-321x system-on-chip, also known
           as R-8610-(G).
@@ -1661,7 +1663,6 @@ config GEODE_MFGPT_TIMER
 
 config OLPC
         bool "One Laptop Per Child support"
-        depends on MGEODE_LX
         default n
         help
           Add support for detecting the unique features of the OLPC
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index bbdacb398d48..5e618c3b4720 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -83,9 +83,7 @@ obj-$(CONFIG_KVM_GUEST)		+= kvm.o
 obj-$(CONFIG_KVM_CLOCK)         += kvmclock.o
 obj-$(CONFIG_PARAVIRT)          += paravirt.o paravirt_patch_$(BITS).o
 
-ifdef CONFIG_INPUT_PCSPKR
-obj-y                           += pcspeaker.o
-endif
+obj-$(CONFIG_PCSPKR_PLATFORM)   += pcspeaker.o
 
 obj-$(CONFIG_SCx200)            += scx200.o
 scx200-y                        += scx200_32.o
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
index 22fab6c4be15..7da00b799cda 100644
--- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S
+++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
@@ -12,11 +12,6 @@ ENTRY(_start)
 
 SECTIONS
 {
-        . = HEADER_OFFSET;
-        .header : {
-                 *(.header)
-        }
-
         . = 0;
         .text : {
                  *(.text*)
@@ -50,6 +45,11 @@ SECTIONS
                 __bss_end = .;
         }
 
+        . = HEADER_OFFSET;
+        .header : {
+                *(.header)
+        }
+
         . = ALIGN(16);
         _end = .;
 
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 238468ae1993..c2e1ce33c7cb 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -6,6 +6,7 @@
 
 #include <linux/cpu.h>
 
+#include <asm/pat.h>
 #include <asm/processor.h>
 
 struct cpuid_bit {
@@ -48,3 +49,23 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
                         set_cpu_cap(c, cb->feature);
         }
 }
+
+#ifdef CONFIG_X86_PAT
+void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
+{
+        switch (c->x86_vendor) {
+        case X86_VENDOR_AMD:
+                if (c->x86 >= 0xf && c->x86 <= 0x11)
+                        return;
+                break;
+        case X86_VENDOR_INTEL:
+                if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
+                        return;
+                break;
+        }
+
+        pat_disable(cpu_has_pat ?
+                    "PAT disabled. Not yet verified on this CPU type." :
+                    "PAT not supported by CPU.");
+}
+#endif
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 35b4f6a9c8ef..d0463a946247 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -12,6 +12,7 @@
 #include <asm/mmu_context.h>
 #include <asm/mtrr.h>
 #include <asm/mce.h>
+#include <asm/pat.h>
 #ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/mpspec.h>
 #include <asm/apic.h>
@@ -308,19 +309,6 @@ static void __cpuinit early_get_cap(struct cpuinfo_x86 *c)
 
         }
 
-        clear_cpu_cap(c, X86_FEATURE_PAT);
-
-        switch (c->x86_vendor) {
-        case X86_VENDOR_AMD:
-                if (c->x86 >= 0xf && c->x86 <= 0x11)
-                        set_cpu_cap(c, X86_FEATURE_PAT);
-                break;
-        case X86_VENDOR_INTEL:
-                if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
-                        set_cpu_cap(c, X86_FEATURE_PAT);
-                break;
-        }
-
 }
 
 /*
@@ -409,18 +397,6 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c)
                 init_scattered_cpuid_features(c);
         }
 
-        clear_cpu_cap(c, X86_FEATURE_PAT);
-
-        switch (c->x86_vendor) {
-        case X86_VENDOR_AMD:
-                if (c->x86 >= 0xf && c->x86 <= 0x11)
-                        set_cpu_cap(c, X86_FEATURE_PAT);
-                break;
-        case X86_VENDOR_INTEL:
-                if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
-                        set_cpu_cap(c, X86_FEATURE_PAT);
-                break;
-        }
 }
 
 static void __cpuinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
@@ -651,6 +627,7 @@ void __init early_cpu_init(void)
                 cpu_devs[cvdev->vendor] = cvdev->cpu_dev;
 
         early_cpu_detect();
+        validate_pat_support(&boot_cpu_data);
 }
 
 /* Make sure %fs is initialized properly in idle threads */
diff --git a/arch/x86/kernel/geode_32.c b/arch/x86/kernel/geode_32.c
index 9dad6ca6cd70..e8edd63ab000 100644
--- a/arch/x86/kernel/geode_32.c
+++ b/arch/x86/kernel/geode_32.c
@@ -161,6 +161,25 @@ void geode_gpio_setup_event(unsigned int gpio, int pair, int pme)
 }
 EXPORT_SYMBOL_GPL(geode_gpio_setup_event);
 
+int geode_has_vsa2(void)
+{
+        static int has_vsa2 = -1;
+
+        if (has_vsa2 == -1) {
+                /*
+                 * The VSA has virtual registers that we can query for a
+                 * signature.
+                 */
+                outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
+                outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
+
+                has_vsa2 = (inw(VSA_VRC_DATA) == VSA_SIG);
+        }
+
+        return has_vsa2;
+}
+EXPORT_SYMBOL_GPL(geode_has_vsa2);
+
 static int __init geode_southbridge_init(void)
 {
         if (!is_geode())
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index db6839b53195..e03cc952f233 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -450,7 +450,6 @@ static inline int restore_i387_fsave(struct _fpstate_ia32 __user *buf)
 {
         struct task_struct *tsk = current;
 
-        clear_fpu(tsk);
         return __copy_from_user(&tsk->thread.xstate->fsave, buf,
                                 sizeof(struct i387_fsave_struct));
 }
@@ -461,7 +460,6 @@ static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf)
         struct user_i387_ia32_struct env;
         int err;
 
-        clear_fpu(tsk);
         err = __copy_from_user(&tsk->thread.xstate->fxsave, &buf->_fxsr_env[0],
                                sizeof(struct i387_fxsave_struct));
         /* mxcsr reserved bits must be masked to zero for security reasons */
@@ -478,6 +476,16 @@ int restore_i387_ia32(struct _fpstate_ia32 __user *buf)
         int err;
 
         if (HAVE_HWFP) {
+                struct task_struct *tsk = current;
+
+                clear_fpu(tsk);
+
+                if (!used_math()) {
+                        err = init_fpu(tsk);
+                        if (err)
+                                return err;
+                }
+
                 if (cpu_has_fxsr)
                         err = restore_i387_fxsave(buf);
                 else
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0c37f16b6950..c5ef1af8e79d 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -385,11 +385,13 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
         if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory))
                 return memory;
 
-        if (!dev)
+        if (!dev) {
                 dev = &fallback_dev;
+                gfp |= GFP_DMA;
+        }
         dma_mask = dev->coherent_dma_mask;
         if (dma_mask == 0)
-                dma_mask = DMA_32BIT_MASK;
+                dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_32BIT_MASK;
 
         /* Device not DMA able */
         if (dev->dma_mask == NULL)
@@ -403,7 +405,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
            larger than 16MB and in this case we have a chance of
            finding fitting memory in the next higher zone first. If
            not retry with true GFP_DMA. -AK */
-        if (dma_mask <= DMA_32BIT_MASK)
+        if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA))
                 gfp |= GFP_DMA32;
 #endif
 
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index fb03ef380f0e..a7835f282936 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1303,6 +1303,9 @@ static const struct user_regset_view user_x86_64_view = {
 #define genregs32_get           genregs_get
 #define genregs32_set           genregs_set
 
+#define user_i387_ia32_struct   user_i387_struct
+#define user32_fxsr_struct      user_fxsr_struct
+
 #endif  /* CONFIG_X86_64 */
 
 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
@@ -1315,13 +1318,13 @@ static const struct user_regset x86_32_regsets[] = {
         },
         [REGSET_FP] = {
                 .core_note_type = NT_PRFPREG,
-                .n = sizeof(struct user_i387_struct) / sizeof(u32),
+                .n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
                 .size = sizeof(u32), .align = sizeof(u32),
                 .active = fpregs_active, .get = fpregs_get, .set = fpregs_set
         },
         [REGSET_XFP] = {
                 .core_note_type = NT_PRXFPREG,
-                .n = sizeof(struct user_i387_struct) / sizeof(u32),
+                .n = sizeof(struct user32_fxsr_struct) / sizeof(u32),
                 .size = sizeof(u32), .align = sizeof(u32),
                 .active = xfpregs_active, .get = xfpregs_get, .set = xfpregs_set
         },
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cc6f5eb20b24..6f80b852a196 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -12,6 +12,7 @@
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
 
+#ifdef CONFIG_X86_LOCAL_APIC
 unsigned int num_processors;
 unsigned disabled_cpus __cpuinitdata;
 /* Processor that is doing the boot up */
@@ -23,8 +24,9 @@ EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
 
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map;
+#endif
 
-#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_SMP)
+#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP)
 /*
  * Copy data used in early init routines from the initial arrays to the
  * per cpu data areas.  These arrays then become expendable and the
@@ -95,7 +97,7 @@ void __init setup_per_cpu_areas(void)
 
         /* Copy section for each CPU (we discard the original) */
         size = PERCPU_ENOUGH_ROOM;
-        printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
+        printk(KERN_INFO "PERCPU: Allocating %lu bytes of per cpu data\n",
                           size);
 
         for_each_possible_cpu(i) {
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 2283422af794..2c5f8b213e86 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -127,7 +127,12 @@ static struct resource standard_io_resources[] = { {
 }, {
         .name   = "keyboard",
         .start  = 0x0060,
-        .end    = 0x006f,
+        .end    = 0x0060,
+        .flags  = IORESOURCE_BUSY | IORESOURCE_IO
+}, {
+        .name   = "keyboard",
+        .start  = 0x0064,
+        .end    = 0x0064,
         .flags  = IORESOURCE_BUSY | IORESOURCE_IO
 }, {
         .name   = "dma page reg",
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 22c14e21c97c..6dff1286ad8a 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -70,6 +70,7 @@
 #include <asm/ds.h>
 #include <asm/topology.h>
 #include <asm/trampoline.h>
+#include <asm/pat.h>
 
 #include <mach_apic.h>
 #ifdef CONFIG_PARAVIRT
@@ -128,7 +129,9 @@ static struct resource standard_io_resources[] = {
                 .flags = IORESOURCE_BUSY | IORESOURCE_IO },
         { .name = "timer1", .start = 0x50, .end = 0x53,
                 .flags = IORESOURCE_BUSY | IORESOURCE_IO },
-        { .name = "keyboard", .start = 0x60, .end = 0x6f,
+        { .name = "keyboard", .start = 0x60, .end = 0x60,
+                .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+        { .name = "keyboard", .start = 0x64, .end = 0x64,
                 .flags = IORESOURCE_BUSY | IORESOURCE_IO },
         { .name = "dma page reg", .start = 0x80, .end = 0x8f,
                 .flags = IORESOURCE_BUSY | IORESOURCE_IO },
@@ -948,7 +951,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
 {
         if (c->x86 == 0x6 && c->x86_model >= 0xf)
-                set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
+                set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
 }
 
 static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
@@ -1063,25 +1066,19 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
         if (c->extended_cpuid_level >= 0x80000007)
                 c->x86_power = cpuid_edx(0x80000007);
 
-
-        clear_cpu_cap(c, X86_FEATURE_PAT);
-
         switch (c->x86_vendor) {
         case X86_VENDOR_AMD:
                 early_init_amd(c);
-                if (c->x86 >= 0xf && c->x86 <= 0x11)
-                        set_cpu_cap(c, X86_FEATURE_PAT);
                 break;
         case X86_VENDOR_INTEL:
                 early_init_intel(c);
-                if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
-                        set_cpu_cap(c, X86_FEATURE_PAT);
                 break;
         case X86_VENDOR_CENTAUR:
                 early_init_centaur(c);
                 break;
         }
 
+        validate_pat_support(c);
 }
 
 /*
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 8f75893a6467..0cb7aadc87cd 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -231,7 +231,8 @@ native_smp_call_function_mask(cpumask_t mask,
         wmb();
 
         /* Send a message to other CPUs */
-        if (cpus_equal(mask, allbutself))
+        if (cpus_equal(mask, allbutself) &&
+            cpus_equal(cpu_online_map, cpu_callout_map))
                 send_IPI_allbutself(CALL_FUNCTION_VECTOR);
         else
                 send_IPI_mask(mask, CALL_FUNCTION_VECTOR);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 6b087ab6cd8f..38988491c622 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -86,6 +86,7 @@ void *x86_bios_cpu_apicid_early_ptr;
 
 #ifdef CONFIG_X86_32
 u8 apicid_2_node[MAX_APICID];
+static int low_mappings;
 #endif
 
 /* State of each CPU */
@@ -326,6 +327,12 @@ static void __cpuinit start_secondary(void *unused)
                 enable_8259A_irq(0);
         }
 
+#ifdef CONFIG_X86_32
+        while (low_mappings)
+                cpu_relax();
+        __flush_tlb_all();
+#endif
+
         /* This must be done before setting cpu_online_map */
         set_cpu_sibling_map(raw_smp_processor_id());
         wmb();
@@ -1040,14 +1047,20 @@ int __cpuinit native_cpu_up(unsigned int cpu)
 #ifdef CONFIG_X86_32
         /* init low mem mapping */
         clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-                        min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
+                min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
         flush_tlb_all();
-#endif
+        low_mappings = 1;
 
         err = do_boot_cpu(apicid, cpu);
-        if (err < 0) {
+
+        zap_low_mappings();
+        low_mappings = 0;
+#else
+        err = do_boot_cpu(apicid, cpu);
+#endif
+        if (err) {
                 Dprintk("do_boot_cpu failed %d\n", err);
-                return err;
+                return -EIO;
         }
 
         /*
@@ -1259,9 +1272,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
         setup_ioapic_dest();
 #endif
         check_nmi_watchdog();
-#ifdef CONFIG_X86_32
-        zap_low_mappings();
-#endif
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index 58882f9f2637..f6c05d0410fb 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -2,6 +2,7 @@
    All C exports should go in the respective C files. */
 
 #include <linux/module.h>
+#include <net/checksum.h>
 #include <linux/smp.h>
 
 #include <asm/processor.h>
@@ -29,6 +30,8 @@ EXPORT_SYMBOL(__copy_from_user_inatomic);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(clear_page);
 
+EXPORT_SYMBOL(csum_partial);
+
 /*
  * Export string functions. We normally rely on gcc builtin for most of these,
  * but gcc sometimes decides not to inline them.
diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c
index bc503f506903..bf51144d97e1 100644
--- a/arch/x86/lib/csum-partial_64.c
+++ b/arch/x86/lib/csum-partial_64.c
@@ -136,8 +136,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
                                                 (__force u32)sum);
 }
 
-EXPORT_SYMBOL(csum_partial);
-
 /*
  * this routine is used for miscellaneous IP-like checksums, mainly
  * in icmp.c
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index de236e419cb5..ec30d10154b6 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -438,8 +438,6 @@ void zap_low_mappings(void)
 {
         int i;
 
-        save_pg_dir();
-
         /*
          * Zap initial low-memory mappings.
          *
@@ -663,16 +661,8 @@ void __init mem_init(void)
                 test_wp_bit();
 
         cpa_init();
-
-        /*
-         * Subtle. SMP is doing it's boot stuff late (because it has to
-         * fork idle threads) - but it also needs low mappings for the
-         * protected-mode entry to work. We zap these entries only after
-         * the WP-bit has been tested.
-         */
-#ifndef CONFIG_SMP
+        save_pg_dir();
         zap_low_mappings();
-#endif
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 277446cd30b6..bcb1a8e4b2db 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -25,31 +25,24 @@
 #include <asm/mtrr.h>
 #include <asm/io.h>
 
-int pat_wc_enabled = 1;
+#ifdef CONFIG_X86_PAT
+int __read_mostly pat_wc_enabled = 1;
 
-static u64 __read_mostly boot_pat_state;
-
-static int nopat(char *str)
+void __init pat_disable(char *reason)
 {
         pat_wc_enabled = 0;
-        printk(KERN_INFO "x86: PAT support disabled.\n");
-
-        return 0;
+        printk(KERN_INFO "%s\n", reason);
 }
-early_param("nopat", nopat);
 
-static int pat_known_cpu(void)
+static int nopat(char *str)
 {
-        if (!pat_wc_enabled)
-                return 0;
-
-        if (cpu_has_pat)
-                return 1;
-
-        pat_wc_enabled = 0;
-        printk(KERN_INFO "CPU and/or kernel does not support PAT.\n");
+        pat_disable("PAT support disabled.");
         return 0;
 }
+early_param("nopat", nopat);
+#endif
+
+static u64 __read_mostly boot_pat_state;
 
 enum {
         PAT_UC = 0,             /* uncached */
@@ -66,17 +59,19 @@ void pat_init(void)
 {
         u64 pat;
 
-#ifndef CONFIG_X86_PAT
-        nopat(NULL);
-#endif
-
-        /* Boot CPU enables PAT based on CPU feature */
-        if (!smp_processor_id() && !pat_known_cpu())
+        if (!pat_wc_enabled)
                 return;
 
-        /* APs enable PAT iff boot CPU has enabled it before */
-        if (smp_processor_id() && !pat_wc_enabled)
-                return;
+        /* Paranoia check. */
+        if (!cpu_has_pat) {
+                printk(KERN_ERR "PAT enabled, but CPU feature cleared\n");
+                /*
+                 * Panic if this happens on the secondary CPU, and we
+                 * switched to PAT on the boot CPU. We have no way to
+                 * undo PAT.
+                */
+                BUG_ON(boot_pat_state);
+        }
 
         /* Set PWT to Write-Combining. All other bits stay the same */
         /*
@@ -95,9 +90,8 @@ void pat_init(void)
               PAT(4,WB) | PAT(5,WC) | PAT(6,UC_MINUS) | PAT(7,UC);
 
         /* Boot CPU check */
-        if (!smp_processor_id()) {
+        if (!boot_pat_state)
                 rdmsrl(MSR_IA32_CR_PAT, boot_pat_state);
-        }
 
         wrmsrl(MSR_IA32_CR_PAT, pat);
         printk(KERN_INFO "x86 PAT enabled: cpu %d, old 0x%Lx, new 0x%Lx\n",
@@ -561,7 +555,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
                 "%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n",
                         current->comm, current->pid,
                         cattr_name(flags),
-                        offset, offset + size);
+                        offset, (unsigned long long)(offset + size));
                 return 0;
         }
 
@@ -582,7 +576,7 @@ void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot)
                 "%s:%d /dev/mem expected mapping type %s for %Lx-%Lx, got %s\n",
                         current->comm, current->pid,
                         cattr_name(want_flags),
-                        addr, addr + size,
+                        addr, (unsigned long long)(addr + size),
                         cattr_name(flags));
         }
 }
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 9ee007be9142..369cf065b6a4 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -172,10 +172,3 @@ void reserve_top_address(unsigned long reserve)
         __FIXADDR_TOP = -reserve - PAGE_SIZE;
         __VMALLOC_RESERVE += reserve;
 }
-
-int pmd_bad(pmd_t pmd)
-{
-        WARN_ON_ONCE(pmd_bad_v1(pmd) != pmd_bad_v2(pmd));
-
-        return pmd_bad_v1(pmd);
-}
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 1a9c0c6a1a18..d95de2f199cd 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -6,45 +6,6 @@
 #include <asm/numa.h>
 #include "pci.h"
 
-static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
-{
-        pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
-        printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
-        return 0;
-}
-
-static struct dmi_system_id acpi_pciprobe_dmi_table[] __devinitdata = {
-/*
- * Systems where PCI IO resource ISA alignment can be skipped
- * when the ISA enable bit in the bridge control is not set
- */
-        {
-                .callback = can_skip_ioresource_align,
-                .ident = "IBM System x3800",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
-                },
-        },
-        {
-                .callback = can_skip_ioresource_align,
-                .ident = "IBM System x3850",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
-                },
-        },
-        {
-                .callback = can_skip_ioresource_align,
-                .ident = "IBM System x3950",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
-                },
-        },
-        {}
-};
-
 struct pci_root_info {
         char *name;
         unsigned int res_num;
@@ -196,8 +157,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
         int pxm;
 #endif
 
-        dmi_check_system(acpi_pciprobe_dmi_table);
-
         if (domain && !pci_domains_supported) {
                 printk(KERN_WARNING "PCI: Multiple domains not supported "
                        "(dom %d, bus %d)\n", domain, busnum);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 2a4d751818b7..8545c8a9d107 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -77,17 +77,48 @@ int pcibios_scanned;
  */
 DEFINE_SPINLOCK(pci_config_lock);
 
-static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
 {
-        struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
-
-        if (rom_r->parent)
-                return;
-        if (rom_r->start)
-                /* we deal with BIOS assigned ROM later */
-                return;
-        if (!(pci_probe & PCI_ASSIGN_ROMS))
-                rom_r->start = rom_r->end = rom_r->flags = 0;
+        pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
+        printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
+        return 0;
+}
+
+static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
+/*
+ * Systems where PCI IO resource ISA alignment can be skipped
+ * when the ISA enable bit in the bridge control is not set
+ */
+        {
+                .callback = can_skip_ioresource_align,
+                .ident = "IBM System x3800",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
+                },
+        },
+        {
+                .callback = can_skip_ioresource_align,
+                .ident = "IBM System x3850",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
+                },
+        },
+        {
+                .callback = can_skip_ioresource_align,
+                .ident = "IBM System x3950",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
+                },
+        },
+        {}
+};
+
+void __init dmi_check_skip_isa_align(void)
+{
+        dmi_check_system(can_skip_pciprobe_dmi_table);
 }
 
 /*
@@ -97,11 +128,7 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
 
 void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
-        struct pci_dev *dev;
-
         pci_read_bridge_bases(b);
-        list_for_each_entry(dev, &b->devices, bus_list)
-                pcibios_fixup_device_resources(dev);
 }
 
 /*
@@ -318,13 +345,16 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
         {}
 };
 
+void __init dmi_check_pciprobe(void)
+{
+        dmi_check_system(pciprobe_dmi_table);
+}
+
 struct pci_bus * __devinit pcibios_scan_root(int busnum)
 {
         struct pci_bus *bus = NULL;
         struct pci_sysdata *sd;
 
-        dmi_check_system(pciprobe_dmi_table);
-
         while ((bus = pci_find_next_bus(bus)) != NULL) {
                 if (bus->number == busnum) {
                         /* Already scanned */
@@ -462,6 +492,9 @@ char * __devinit  pcibios_setup(char *str)
         } else if (!strcmp(str, "routeirq")) {
                 pci_routeirq = 1;
                 return NULL;
+        } else if (!strcmp(str, "skip_isa_align")) {
+                pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
+                return NULL;
         }
         return str;
 }
@@ -489,7 +522,7 @@ void pcibios_disable_device (struct pci_dev *dev)
                 pcibios_disable_irq(dev);
 }
 
-struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
+struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
 {
         struct pci_bus *bus = NULL;
         struct pci_sysdata *sd;
@@ -512,7 +545,7 @@ struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
         return bus;
 }
 
-struct pci_bus *pci_scan_bus_with_sysdata(int busno)
+struct pci_bus * __devinit pci_scan_bus_with_sysdata(int busno)
 {
         return pci_scan_bus_on_node(busno, &pci_root_ops, -1);
 }
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index b60b2abd480c..ff3a6a336342 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -502,7 +502,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SIEMENS, 0x0015,
  */
 static void fam10h_pci_cfg_space_size(struct pci_dev *dev)
 {
-        dev->cfg_size = pci_cfg_space_size_ext(dev, 0);
+        dev->cfg_size = pci_cfg_space_size_ext(dev);
 }
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size);
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 8af0f0bae2af..10fb308fded8 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
         prot = pgprot_val(vma->vm_page_prot);
         if (pat_wc_enabled && write_combine)
                 prot |= _PAGE_CACHE_WC;
-        else if (pat_wc_enabled)
+        else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
                 /*
                  * ioremap() and ioremap_nocache() defaults to UC MINUS for now.
                  * To avoid attribute conflicts, request UC MINUS here
                  * aswell.
                  */
                 prot |= _PAGE_CACHE_UC_MINUS;
-        else if (boot_cpu_data.x86 > 3)
-                prot |= _PAGE_CACHE_UC;
 
         vma->vm_page_prot = __pgprot(prot);
 
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index dd30c6076b5d..e70b9c57b88e 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -33,6 +33,10 @@ static __init int pci_access_init(void)
                 printk(KERN_ERR
                 "PCI: Fatal: No config space access function found\n");
 
+        dmi_check_pciprobe();
+
+        dmi_check_skip_isa_align();
+
         return 0;
 }
 arch_initcall(pci_access_init);
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c
index ab6d4b18a88f..5c2799c20e47 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/k8-bus_64.c
@@ -504,14 +504,6 @@ static int __init early_fill_mp_bus_info(void)
                 }
         }
 
-#ifdef CONFIG_NUMA
-        for (i = 0; i < BUS_NR; i++) {
-                node = mp_bus_to_node[i];
-                if (node >= 0)
-                        printk(KERN_DEBUG "bus: %02x to node: %02x\n", i, node);
-        }
-#endif
-
         for (i = 0; i < pci_root_num; i++) {
                 int res_num;
                 int busnum;
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index c58805a92db5..f3972b12c60a 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -38,6 +38,9 @@ enum pci_bf_sort_state {
         pci_dmi_bf,
 };
 
+extern void __init dmi_check_pciprobe(void);
+extern void __init dmi_check_skip_isa_align(void);
+
 /* pci-i386.c */
 
 extern unsigned int pcibios_max_latency;