Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (21 commits)
  MIPS: Alchemy: PB1200: use SMC91X platform data.
  MIPS: Alchemy: MIPS hazard workarounds are not required.
  MIPS: Alchemy: provide cpu feature overrides.
  MIPS: Alchemy: unify CPU model constants.
  MIPS: Make a needlessly global symbol static in arch/mips/kernel/smp.c
  MIPS: Fix global namespace pollution in arch/mips/kernel/smp-up.c
  MIPS: Malta: make a needlessly global integer variable static
  MIPS: Use BUG_ON() where possible.
  MIPS: Convert obsolete irq_desc_t to struct irq_desc
  MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platforms
  MIPS: EMMA2RH: Set UART mapbase
  MIPS: EMMA2RH: Use set_irq_chip_and_handler_name
  MIPS: EMMA2RH: Use handle_edge_irq() handler for GPIO interrupts
  MIPS: Mark Eins: Fix cascading interrupt dispatcher
  MIPS: Au1000: convert to using gpiolib
  MIPS: Stop using <asm-generic/int-l64.h>.
  MIPS: Cavium: Add -Werror
  MIPS: Makefile: Add simple make install target.
  MIPS: Compat: Zero upper 32-bit of offset_high and offset_low.
  MIPS: __raw_spin_lock() may spin forever on ticket wrap.
  ...

44 files changed, 352 insertions, 281 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 206cb7953b0c..dc787190430a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -77,7 +77,6 @@ config MIPS_COBALT
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config MACH_DECSTATION
 	bool "DECstations"
@@ -132,7 +131,6 @@ config MACH_JAZZ
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 	select SYS_SUPPORTS_100HZ
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	 This a family of machines based on the MIPS R4030 chipset which was
 	 used by several vendors to build RISC/os and Windows NT workstations.
@@ -154,7 +152,6 @@ config LASAT
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
 	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config LEMOTE_FULONG
 	bool "Lemote Fulong mini-PC"
@@ -175,7 +172,6 @@ config LEMOTE_FULONG
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_HIGHMEM
 	select SYS_HAS_EARLY_PRINTK
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	select GENERIC_ISA_DMA_SUPPORT_BROKEN
 	select CPU_HAS_WB
 	help
@@ -250,7 +246,6 @@ config MACH_VR41XX
 	select CEVT_R4K
 	select CSRC_R4K
 	select SYS_HAS_CPU_VR41XX
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config NXP_STB220
 	bool "NXP STB220 board"
@@ -364,7 +359,6 @@ config SGI_IP27
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_NUMA
 	select SYS_SUPPORTS_SMP
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
 	  workstations.  To compile a Linux kernel that runs on these, say Y
@@ -563,7 +557,6 @@ config MIKROTIK_RB532
 	select CEVT_R4K
 	select CSRC_R4K
 	select DMA_NONCOHERENT
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	select HW_HAS_PCI
 	select IRQ_CPU
 	select SYS_HAS_CPU_MIPS32_R1
@@ -700,8 +693,7 @@ config SCHED_OMIT_FRAME_POINTER
 	default y
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
-	bool
-	default n
+	def_bool y
 
 #
 # Select some configuration options automatically based on user selections.
@@ -920,7 +912,6 @@ config SOC_PNX833X
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	select GENERIC_GPIO
 	select CPU_MIPSR2_IRQ_VI
 
@@ -939,7 +930,6 @@ config SOC_PNX8550
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_32BIT_KERNEL
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 	select GENERIC_GPIO
 
 config SWAP_IO_SPACE
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 22dab2e14348..8d544c7c9fe9 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -720,11 +720,17 @@ ifdef CONFIG_MIPS32_O32
 	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
 endif
 
+install:
+	$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
+	$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
+	$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
+
 archclean:
 	@$(MAKE) $(clean)=arch/mips/boot
 	@$(MAKE) $(clean)=arch/mips/lasat
 
 define archhelp
+	echo '  install              - install kernel into $(INSTALL_PATH)'
 	echo '  vmlinux.ecoff        - ECOFF boot image'
 	echo '  vmlinux.bin          - Raw binary boot image'
 	echo '  vmlinux.srec         - SREC boot image'
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 7f8ef13d0014..8128aebfb155 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -134,4 +134,4 @@ config SOC_AU1X00
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_APM_EMULATION
-	select GENERIC_HARDIRQS_NO__DO_IRQ
+	select ARCH_REQUIRE_GPIOLIB
diff --git a/arch/mips/alchemy/common/gpio.c b/arch/mips/alchemy/common/gpio.c
index e660ddd611c4..91a9c4436c39 100644
--- a/arch/mips/alchemy/common/gpio.c
+++ b/arch/mips/alchemy/common/gpio.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
+ *  Copyright (C) 2007-2009, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
  *  	Architecture specific GPIO support
  *
  *  This program is free software; you can redistribute	 it and/or modify it
@@ -27,122 +27,175 @@
  * 	others have a second one : GPIO2
  */
 
+#include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/gpio.h>
 
-#define gpio1 sys
-#if !defined(CONFIG_SOC_AU1000)
-
-static struct au1x00_gpio2 *const gpio2 = (struct au1x00_gpio2 *) GPIO2_BASE;
-#define GPIO2_OUTPUT_ENABLE_MASK 	0x00010000
+struct au1000_gpio_chip {
+	struct gpio_chip	chip;
+	void __iomem		*regbase;
+};
 
-static int au1xxx_gpio2_read(unsigned gpio)
+#if !defined(CONFIG_SOC_AU1000)
+static int au1000_gpio2_get(struct gpio_chip *chip, unsigned offset)
 {
-	gpio -= AU1XXX_GPIO_BASE;
-	return ((gpio2->pinstate >> gpio) & 0x01);
+	u32 mask = 1 << offset;
+	struct au1000_gpio_chip *gpch;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+	return readl(gpch->regbase + AU1000_GPIO2_ST) & mask;
 }
 
-static void au1xxx_gpio2_write(unsigned gpio, int value)
+static void au1000_gpio2_set(struct gpio_chip *chip,
+				unsigned offset, int value)
 {
-	gpio -= AU1XXX_GPIO_BASE;
+	u32 mask = ((GPIO2_OUT_EN_MASK << offset) | (!!value << offset));
+	struct au1000_gpio_chip *gpch;
+	unsigned long flags;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
 
-	gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio);
+	local_irq_save(flags);
+	writel(mask, gpch->regbase + AU1000_GPIO2_OUT);
+	local_irq_restore(flags);
 }
 
-static int au1xxx_gpio2_direction_input(unsigned gpio)
+static int au1000_gpio2_direction_input(struct gpio_chip *chip, unsigned offset)
 {
-	gpio -= AU1XXX_GPIO_BASE;
-	gpio2->dir &= ~(0x01 << gpio);
+	u32 mask = 1 << offset;
+	u32 tmp;
+	struct au1000_gpio_chip *gpch;
+	unsigned long flags;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+
+	local_irq_save(flags);
+	tmp = readl(gpch->regbase + AU1000_GPIO2_DIR);
+	tmp &= ~mask;
+	writel(tmp, gpch->regbase + AU1000_GPIO2_DIR);
+	local_irq_restore(flags);
+
 	return 0;
 }
 
-static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
+static int au1000_gpio2_direction_output(struct gpio_chip *chip,
+					unsigned offset, int value)
 {
-	gpio -= AU1XXX_GPIO_BASE;
-	gpio2->dir |= 0x01 << gpio;
-	gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio);
+	u32 mask = 1 << offset;
+	u32 out_mask = ((GPIO2_OUT_EN_MASK << offset) | (!!value << offset));
+	u32 tmp;
+	struct au1000_gpio_chip *gpch;
+	unsigned long flags;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+
+	local_irq_save(flags);
+	tmp = readl(gpch->regbase + AU1000_GPIO2_DIR);
+	tmp |= mask;
+	writel(tmp, gpch->regbase + AU1000_GPIO2_DIR);
+	writel(out_mask, gpch->regbase + AU1000_GPIO2_OUT);
+	local_irq_restore(flags);
+
 	return 0;
 }
-
 #endif /* !defined(CONFIG_SOC_AU1000) */
 
-static int au1xxx_gpio1_read(unsigned gpio)
+static int au1000_gpio1_get(struct gpio_chip *chip, unsigned offset)
 {
-	return (gpio1->pinstaterd >> gpio) & 0x01;
+	u32 mask = 1 << offset;
+	struct au1000_gpio_chip *gpch;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+	return readl(gpch->regbase + AU1000_GPIO1_ST) & mask;
 }
 
-static void au1xxx_gpio1_write(unsigned gpio, int value)
+static void au1000_gpio1_set(struct gpio_chip *chip,
+				unsigned offset, int value)
 {
+	u32 mask = 1 << offset;
+	u32 reg_offset;
+	struct au1000_gpio_chip *gpch;
+	unsigned long flags;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+
 	if (value)
-		gpio1->outputset = (0x01 << gpio);
+		reg_offset = AU1000_GPIO1_OUT;
 	else
-		/* Output a zero */
-		gpio1->outputclr = (0x01 << gpio);
-}
+		reg_offset = AU1000_GPIO1_CLR;
 
-static int au1xxx_gpio1_direction_input(unsigned gpio)
-{
-	gpio1->pininputen = (0x01 << gpio);
-	return 0;
+	local_irq_save(flags);
+	writel(mask, gpch->regbase + reg_offset);
+	local_irq_restore(flags);
 }
 
-static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
+static int au1000_gpio1_direction_input(struct gpio_chip *chip, unsigned offset)
 {
-	gpio1->trioutclr = (0x01 & gpio);
-	au1xxx_gpio1_write(gpio, value);
+	u32 mask = 1 << offset;
+	struct au1000_gpio_chip *gpch;
+
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
+	writel(mask, gpch->regbase + AU1000_GPIO1_ST);
+
 	return 0;
 }
 
-int au1xxx_gpio_get_value(unsigned gpio)
+static int au1000_gpio1_direction_output(struct gpio_chip *chip,
+					unsigned offset, int value)
 {
-	if (gpio >= AU1XXX_GPIO_BASE)
-#if defined(CONFIG_SOC_AU1000)
-		return 0;
-#else
-		return au1xxx_gpio2_read(gpio);
-#endif
-	else
-		return au1xxx_gpio1_read(gpio);
-}
-EXPORT_SYMBOL(au1xxx_gpio_get_value);
+	u32 mask = 1 << offset;
+	struct au1000_gpio_chip *gpch;
 
-void au1xxx_gpio_set_value(unsigned gpio, int value)
-{
-	if (gpio >= AU1XXX_GPIO_BASE)
-#if defined(CONFIG_SOC_AU1000)
-		;
-#else
-		au1xxx_gpio2_write(gpio, value);
-#endif
-	else
-		au1xxx_gpio1_write(gpio, value);
-}
-EXPORT_SYMBOL(au1xxx_gpio_set_value);
+	gpch = container_of(chip, struct au1000_gpio_chip, chip);
 
-int au1xxx_gpio_direction_input(unsigned gpio)
-{
-	if (gpio >= AU1XXX_GPIO_BASE)
-#if defined(CONFIG_SOC_AU1000)
-		return -ENODEV;
-#else
-		return au1xxx_gpio2_direction_input(gpio);
-#endif
+	writel(mask, gpch->regbase + AU1000_GPIO1_TRI_OUT);
+	au1000_gpio1_set(chip, offset, value);
 
-	return au1xxx_gpio1_direction_input(gpio);
+	return 0;
 }
-EXPORT_SYMBOL(au1xxx_gpio_direction_input);
 
-int au1xxx_gpio_direction_output(unsigned gpio, int value)
+struct au1000_gpio_chip au1000_gpio_chip[] = {
+	[0] = {
+		.regbase			= (void __iomem *)SYS_BASE,
+		.chip = {
+			.label			= "au1000-gpio1",
+			.direction_input	= au1000_gpio1_direction_input,
+			.direction_output	= au1000_gpio1_direction_output,
+			.get			= au1000_gpio1_get,
+			.set			= au1000_gpio1_set,
+			.base			= 0,
+			.ngpio			= 32,
+		},
+	},
+#if !defined(CONFIG_SOC_AU1000)
+	[1] = {
+		.regbase                        = (void __iomem *)GPIO2_BASE,
+		.chip = {
+			.label                  = "au1000-gpio2",
+			.direction_input        = au1000_gpio2_direction_input,
+			.direction_output       = au1000_gpio2_direction_output,
+			.get                    = au1000_gpio2_get,
+			.set                    = au1000_gpio2_set,
+			.base                   = AU1XXX_GPIO_BASE,
+			.ngpio                  = 32,
+		},
+	},
+#endif
+};
+
+static int __init au1000_gpio_init(void)
 {
-	if (gpio >= AU1XXX_GPIO_BASE)
-#if defined(CONFIG_SOC_AU1000)
-		return -ENODEV;
-#else
-		return au1xxx_gpio2_direction_output(gpio, value);
+	gpiochip_add(&au1000_gpio_chip[0].chip);
+#if !defined(CONFIG_SOC_AU1000)
+	gpiochip_add(&au1000_gpio_chip[1].chip);
 #endif
 
-	return au1xxx_gpio1_direction_output(gpio, value);
+	return 0;
 }
-EXPORT_SYMBOL(au1xxx_gpio_direction_output);
+arch_initcall(au1000_gpio_init);
+
diff --git a/arch/mips/alchemy/devboards/pb1200/platform.c b/arch/mips/alchemy/devboards/pb1200/platform.c
index 95303297c534..0d68e1985ffd 100644
--- a/arch/mips/alchemy/devboards/pb1200/platform.c
+++ b/arch/mips/alchemy/devboards/pb1200/platform.c
@@ -22,6 +22,7 @@
 #include <linux/init.h>
 #include <linux/leds.h>
 #include <linux/platform_device.h>
+#include <linux/smc91x.h>
 
 #include <asm/mach-au1x00/au1xxx.h>
 #include <asm/mach-au1x00/au1100_mmc.h>
@@ -131,6 +132,12 @@ static struct platform_device ide_device = {
 	.resource	= ide_resources
 };
 
+static struct smc91x_platdata smc_data = {
+	.flags	= SMC91X_NOWAIT | SMC91X_USE_16BIT,
+	.leda	= RPC_LED_100_10,
+	.ledb	= RPC_LED_TX_RX,
+};
+
 static struct resource smc91c111_resources[] = {
 	[0] = {
 		.name	= "smc91x-regs",
@@ -146,6 +153,9 @@ static struct resource smc91c111_resources[] = {
 };
 
 static struct platform_device smc91c111_device = {
+	.dev	= {
+		.platform_data	= &smc_data,
+	},
 	.name		= "smc91x",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(smc91c111_resources),
diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile
index 1c2a7faf5881..d6903c3f3d51 100644
--- a/arch/mips/cavium-octeon/Makefile
+++ b/arch/mips/cavium-octeon/Makefile
@@ -14,3 +14,5 @@ obj-y += dma-octeon.o flash_setup.o
 obj-y += octeon-memcpy.o
 
 obj-$(CONFIG_SMP)                     += smp.o
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c
index 553d36cbcc42..008f657116eb 100644
--- a/arch/mips/cavium-octeon/flash_setup.c
+++ b/arch/mips/cavium-octeon/flash_setup.c
@@ -57,7 +57,7 @@ static int __init flash_init(void)
 		flash_map.bankwidth = 1;
 		flash_map.virt = ioremap(flash_map.phys, flash_map.size);
 		pr_notice("Bootbus flash: Setting flash for %luMB flash at "
-			  "0x%08lx\n", flash_map.size >> 20, flash_map.phys);
+			  "0x%08llx\n", flash_map.size >> 20, flash_map.phys);
 		simple_map_init(&flash_map);
 		mymtd = do_map_probe("cfi_probe", &flash_map);
 		if (mymtd) {
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index fc72984a5dae..1c19af8daa62 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -31,7 +31,7 @@ static void octeon_irq_core_ack(unsigned int irq)
 
 static void octeon_irq_core_eoi(unsigned int irq)
 {
-	irq_desc_t *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_desc + irq;
 	unsigned int bit = irq - OCTEON_IRQ_SW0;
 	/*
 	 * If an IRQ is being processed while we are disabling it the
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index c2583ecc93cf..2bbc41a1623c 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -80,9 +80,9 @@ void emma2rh_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ; i++)
-		set_irq_chip_and_handler(EMMA2RH_IRQ_BASE + i,
-					 &emma2rh_irq_controller,
-					 handle_level_irq);
+		set_irq_chip_and_handler_name(EMMA2RH_IRQ_BASE + i,
+					      &emma2rh_irq_controller,
+					      handle_level_irq, "level");
 }
 
 static void emma2rh_sw_irq_enable(unsigned int irq)
@@ -120,9 +120,9 @@ void emma2rh_sw_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++)
-		set_irq_chip_and_handler(EMMA2RH_SW_IRQ_BASE + i,
-					 &emma2rh_sw_irq_controller,
-					 handle_level_irq);
+		set_irq_chip_and_handler_name(EMMA2RH_SW_IRQ_BASE + i,
+					      &emma2rh_sw_irq_controller,
+					      handle_level_irq, "level");
 }
 
 static void emma2rh_gpio_irq_enable(unsigned int irq)
@@ -149,37 +149,28 @@ static void emma2rh_gpio_irq_disable(unsigned int irq)
 
 static void emma2rh_gpio_irq_ack(unsigned int irq)
 {
-	u32 reg;
-
 	irq -= EMMA2RH_GPIO_IRQ_BASE;
 	emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
-
-	reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
-	reg &= ~(1 << irq);
-	emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
 }
 
-static void emma2rh_gpio_irq_end(unsigned int irq)
+static void emma2rh_gpio_irq_mask_ack(unsigned int irq)
 {
 	u32 reg;
 
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-
-		irq -= EMMA2RH_GPIO_IRQ_BASE;
+	irq -= EMMA2RH_GPIO_IRQ_BASE;
+	emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
 
-		reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
-		reg |= 1 << irq;
-		emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
-	}
+	reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
+	reg &= ~(1 << irq);
+	emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
 }
 
 struct irq_chip emma2rh_gpio_irq_controller = {
 	.name = "emma2rh_gpio_irq",
 	.ack = emma2rh_gpio_irq_ack,
 	.mask = emma2rh_gpio_irq_disable,
-	.mask_ack = emma2rh_gpio_irq_ack,
+	.mask_ack = emma2rh_gpio_irq_mask_ack,
 	.unmask = emma2rh_gpio_irq_enable,
-	.end = emma2rh_gpio_irq_end,
 };
 
 void emma2rh_gpio_irq_init(void)
@@ -187,8 +178,9 @@ void emma2rh_gpio_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++)
-		set_irq_chip(EMMA2RH_GPIO_IRQ_BASE + i,
-			     &emma2rh_gpio_irq_controller);
+		set_irq_chip_and_handler_name(EMMA2RH_GPIO_IRQ_BASE + i,
+					      &emma2rh_gpio_irq_controller,
+					      handle_edge_irq, "edge");
 }
 
 static struct irqaction irq_cascade = {
@@ -213,8 +205,7 @@ void emma2rh_irq_dispatch(void)
 		    emma2rh_in32(EMMA2RH_BHIF_INT_EN_0);
 
 #ifdef EMMA2RH_SW_CASCADE
-	if (intStatus &
-	    (1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
+	if (intStatus & (1UL << EMMA2RH_SW_CASCADE)) {
 		u32 swIntStatus;
 		swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT)
 		    & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
@@ -225,6 +216,8 @@ void emma2rh_irq_dispatch(void)
 			}
 		}
 	}
+	/* Skip S/W interrupt */
+	intStatus &= ~(1UL << EMMA2RH_SW_CASCADE);
 #endif
 
 	for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
@@ -238,8 +231,7 @@ void emma2rh_irq_dispatch(void)
 		    emma2rh_in32(EMMA2RH_BHIF_INT_EN_1);
 
 #ifdef EMMA2RH_GPIO_CASCADE
-	if (intStatus &
-	    (1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
+	if (intStatus & (1UL << (EMMA2RH_GPIO_CASCADE % 32))) {
 		u32 gpioIntStatus;
 		gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST)
 		    & emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
@@ -250,6 +242,8 @@ void emma2rh_irq_dispatch(void)
 			}
 		}
 	}
+	/* Skip GPIO interrupt */
+	intStatus &= ~(1UL << (EMMA2RH_GPIO_CASCADE % 32));
 #endif
 
 	for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) {
diff --git a/arch/mips/emma/markeins/platform.c b/arch/mips/emma/markeins/platform.c
index d5f47e4f0d18..80ae12ef87db 100644
--- a/arch/mips/emma/markeins/platform.c
+++ b/arch/mips/emma/markeins/platform.c
@@ -110,6 +110,7 @@ struct platform_device i2c_emma_devices[] = {
 static struct  plat_serial8250_port platform_serial_ports[] = {
 	[0] = {
 		.membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
+		.mapbase = EMMA2RH_PFUR0_BASE + 3,
 		.irq = EMMA2RH_IRQ_PFUR0,
 		.uartclk = EMMA2RH_SERIAL_CLOCK,
 		.regshift = 4,
@@ -117,6 +118,7 @@ static struct  plat_serial8250_port platform_serial_ports[] = {
 		.flags = EMMA2RH_SERIAL_FLAGS,
        }, [1] = {
 		.membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
+		.mapbase = EMMA2RH_PFUR1_BASE + 3,
 		.irq = EMMA2RH_IRQ_PFUR1,
 		.uartclk = EMMA2RH_SERIAL_CLOCK,
 		.regshift = 4,
@@ -124,6 +126,7 @@ static struct  plat_serial8250_port platform_serial_ports[] = {
 		.flags = EMMA2RH_SERIAL_FLAGS,
        }, [2] = {
 		.membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
+		.mapbase = EMMA2RH_PFUR2_BASE + 3,
 		.irq = EMMA2RH_IRQ_PFUR2,
 		.uartclk = EMMA2RH_SERIAL_CLOCK,
 		.regshift = 4,
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index c018727c7ddc..3bdc0e3d89cc 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -209,8 +209,7 @@ enum cpu_type_enum {
 	 * MIPS32 class processors
 	 */
 	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
-	CPU_AU1000, CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500,
-	CPU_AU1550, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
+	CPU_ALCHEMY, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
 
 	/*
 	 * MIPS64 class processors
diff --git a/arch/mips/include/asm/hazards.h b/arch/mips/include/asm/hazards.h
index 134e1fc8f4d6..a12d971db4f9 100644
--- a/arch/mips/include/asm/hazards.h
+++ b/arch/mips/include/asm/hazards.h
@@ -87,7 +87,7 @@ do {									\
 	: "=r" (tmp));							\
 } while (0)
 
-#elif defined(CONFIG_CPU_MIPSR1)
+#elif defined(CONFIG_CPU_MIPSR1) && !defined(CONFIG_MACH_ALCHEMY)
 
 /*
  * These are slightly complicated by the fact that we guarantee R1 kernels to
@@ -139,7 +139,7 @@ do {									\
 } while (0)
 
 #elif defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_CAVIUM_OCTEON) || \
-      defined(CONFIG_CPU_R5500)
+      defined(CONFIG_CPU_R5500) || defined(CONFIG_MACH_ALCHEMY)
 
 /*
  * R10000 rocks - all hazards handled in hardware, so this becomes a nobrainer.
diff --git a/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h
new file mode 100644
index 000000000000..d5df0cab9b87
--- /dev/null
+++ b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h
@@ -0,0 +1,49 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb			1
+#define cpu_has_4kex			1
+#define cpu_has_3k_cache		0
+#define cpu_has_4k_cache		1
+#define cpu_has_tx39_cache		0
+#define cpu_has_fpu			0
+#define cpu_has_counter			1
+#define cpu_has_watch			1
+#define cpu_has_divec			1
+#define cpu_has_vce			0
+#define cpu_has_cache_cdex_p		0
+#define cpu_has_cache_cdex_s		0
+#define cpu_has_mcheck			1
+#define cpu_has_ejtag			1
+#define cpu_has_llsc			1
+#define cpu_has_mips16			0
+#define cpu_has_mdmx			0
+#define cpu_has_mips3d			0
+#define cpu_has_smartmips		0
+#define cpu_has_vtag_icache		0
+#define cpu_has_dc_aliases		0
+#define cpu_has_ic_fills_f_dc		1
+#define cpu_has_mips32r1		1
+#define cpu_has_mips32r2		0
+#define cpu_has_mips64r1		0
+#define cpu_has_mips64r2		0
+#define cpu_has_dsp			0
+#define cpu_has_mipsmt			0
+#define cpu_has_userlocal		0
+#define cpu_has_nofpuex			0
+#define cpu_has_64bits			0
+#define cpu_has_64bit_zero_reg		0
+#define cpu_has_vint			0
+#define cpu_has_veic			0
+#define cpu_has_inclusive_pcaches	0
+
+#define cpu_dcache_line_size()		32
+#define cpu_icache_line_size()		32
+
+#endif /* __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-au1x00/gpio.h b/arch/mips/include/asm/mach-au1x00/gpio.h
index 2dc61e009a08..34d9b7279024 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio.h
@@ -5,65 +5,29 @@
 
 #define AU1XXX_GPIO_BASE	200
 
-struct au1x00_gpio2 {
-	u32	dir;
-	u32	reserved;
-	u32	output;
-	u32	pinstate;
-	u32	inten;
-	u32	enable;
-};
+/* GPIO bank 1 offsets */
+#define AU1000_GPIO1_TRI_OUT	0x0100
+#define AU1000_GPIO1_OUT	0x0108
+#define AU1000_GPIO1_ST		0x0110
+#define AU1000_GPIO1_CLR	0x010C
 
-extern int au1xxx_gpio_get_value(unsigned gpio);
-extern void au1xxx_gpio_set_value(unsigned gpio, int value);
-extern int au1xxx_gpio_direction_input(unsigned gpio);
-extern int au1xxx_gpio_direction_output(unsigned gpio, int value);
+/* GPIO bank 2 offsets */
+#define AU1000_GPIO2_DIR	0x00
+#define AU1000_GPIO2_RSVD	0x04
+#define AU1000_GPIO2_OUT	0x08
+#define AU1000_GPIO2_ST		0x0C
+#define AU1000_GPIO2_INT	0x10
+#define AU1000_GPIO2_EN		0x14
 
+#define GPIO2_OUT_EN_MASK	0x00010000
 
-/* Wrappers for the arch-neutral GPIO API */
+#define gpio_to_irq(gpio)	NULL
 
-static inline int gpio_request(unsigned gpio, const char *label)
-{
-	/* Not yet implemented */
-	return 0;
-}
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
 
-static inline void gpio_free(unsigned gpio)
-{
-	/* Not yet implemented */
-}
+#define gpio_cansleep __gpio_cansleep
 
-static inline int gpio_direction_input(unsigned gpio)
-{
-	return au1xxx_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
-	return au1xxx_gpio_direction_output(gpio, value);
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	return au1xxx_gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	au1xxx_gpio_set_value(gpio, value);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return gpio;
-}
-
-static inline int irq_to_gpio(unsigned irq)
-{
-	return irq;
-}
-
-/* For cansleep */
 #include <asm-generic/gpio.h>
 
 #endif /* _AU1XXX_GPIO_H_ */
diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h
index 7f0b034dd9a5..c0da1a881e3d 100644
--- a/arch/mips/include/asm/mips-boards/generic.h
+++ b/arch/mips/include/asm/mips-boards/generic.h
@@ -71,8 +71,6 @@
 
 #define MIPS_REVISION_CORID (((*(volatile u32 *)ioremap(MIPS_REVISION_REG, 4)) >> 10) & 0x3f)
 
-extern int mips_revision_corid;
-
 #define MIPS_REVISION_SCON_OTHER	   0
 #define MIPS_REVISION_SCON_SOCITSC	   1
 #define MIPS_REVISION_SCON_SOCITSCP	   2
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h
index 43c207e72a63..64ffc0290b84 100644
--- a/arch/mips/include/asm/smp-ops.h
+++ b/arch/mips/include/asm/smp-ops.h
@@ -15,6 +15,8 @@
 
 #include <linux/cpumask.h>
 
+struct task_struct;
+
 struct plat_smp_ops {
 	void (*send_ipi_single)(int cpu, unsigned int action);
 	void (*send_ipi_mask)(cpumask_t mask, unsigned int action);
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h
index 0884947ebe27..10e82441b496 100644
--- a/arch/mips/include/asm/spinlock.h
+++ b/arch/mips/include/asm/spinlock.h
@@ -76,7 +76,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 		"2:							\n"
 		"	.subsection 2					\n"
 		"4:	andi	%[ticket], %[ticket], 0x1fff		\n"
-		"5:	sll	%[ticket], 5				\n"
+		"	sll	%[ticket], 5				\n"
 		"							\n"
 		"6:	bnez	%[ticket], 6b				\n"
 		"	 subu	%[ticket], 1				\n"
@@ -85,7 +85,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 		"	andi	%[ticket], %[ticket], 0x1fff		\n"
 		"	beq	%[ticket], %[my_ticket], 2b		\n"
 		"	 subu	%[ticket], %[my_ticket], %[ticket]	\n"
-		"	b	5b					\n"
+		"	b	4b					\n"
 		"	 subu	%[ticket], %[ticket], 1			\n"
 		"	.previous					\n"
 		"	.set pop					\n"
@@ -113,7 +113,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 		"	 ll	%[ticket], %[ticket_ptr]		\n"
 		"							\n"
 		"4:	andi	%[ticket], %[ticket], 0x1fff		\n"
-		"5:	sll	%[ticket], 5				\n"
+		"	sll	%[ticket], 5				\n"
 		"							\n"
 		"6:	bnez	%[ticket], 6b				\n"
 		"	 subu	%[ticket], 1				\n"
@@ -122,7 +122,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 		"	andi	%[ticket], %[ticket], 0x1fff		\n"
 		"	beq	%[ticket], %[my_ticket], 2b		\n"
 		"	 subu	%[ticket], %[my_ticket], %[ticket]	\n"
-		"	b	5b					\n"
+		"	b	4b					\n"
 		"	 subu	%[ticket], %[ticket], 1			\n"
 		"	.previous					\n"
 		"	.set pop					\n"
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index bcbb8d675af5..7956e69a3bd5 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -4,12 +4,18 @@
  * for more details.
  *
  * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle
+ * Copyright (C) 2008 Wind River Systems,
+ *   written by Ralf Baechle
  * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #ifndef _ASM_TYPES_H
 #define _ASM_TYPES_H
 
-#if _MIPS_SZLONG == 64
+/*
+ * We don't use int-l64.h for the kernel anymore but still use it for
+ * userspace to avoid code changes.
+ */
+#if (_MIPS_SZLONG == 64) && !defined(__KERNEL__)
 # include <asm-generic/int-l64.h>
 #else
 # include <asm-generic/int-ll64.h>
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index c672c08d49e5..f0fd636723be 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -68,8 +68,7 @@ static int __init vdma_init(void)
 	 */
 	pgtbl = (VDMA_PGTBL_ENTRY *)__get_free_pages(GFP_KERNEL | GFP_DMA,
 						    get_order(VDMA_PGTBL_SIZE));
-	if (!pgtbl)
-		BUG();
+	BUG_ON(!pgtbl);
 	dma_cache_wback_inv((unsigned long)pgtbl, VDMA_PGTBL_SIZE);
 	pgtbl = (VDMA_PGTBL_ENTRY *)KSEG1ADDR(pgtbl);
 
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 1bdbcad3bb74..b13b8eb30596 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -183,13 +183,7 @@ void __init check_wait(void)
 	case CPU_TX49XX:
 		cpu_wait = r4k_wait_irqoff;
 		break;
-	case CPU_AU1000:
-	case CPU_AU1100:
-	case CPU_AU1500:
-	case CPU_AU1550:
-	case CPU_AU1200:
-	case CPU_AU1210:
-	case CPU_AU1250:
+	case CPU_ALCHEMY:
 		cpu_wait = au1k_wait;
 		break;
 	case CPU_20KC:
@@ -783,37 +777,30 @@ static inline void cpu_probe_alchemy(struct cpuinfo_mips *c, unsigned int cpu)
 	switch (c->processor_id & 0xff00) {
 	case PRID_IMP_AU1_REV1:
 	case PRID_IMP_AU1_REV2:
+		c->cputype = CPU_ALCHEMY;
 		switch ((c->processor_id >> 24) & 0xff) {
 		case 0:
-			c->cputype = CPU_AU1000;
 			__cpu_name[cpu] = "Au1000";
 			break;
 		case 1:
-			c->cputype = CPU_AU1500;
 			__cpu_name[cpu] = "Au1500";
 			break;
 		case 2:
-			c->cputype = CPU_AU1100;
 			__cpu_name[cpu] = "Au1100";
 			break;
 		case 3:
-			c->cputype = CPU_AU1550;
 			__cpu_name[cpu] = "Au1550";
 			break;
 		case 4:
-			c->cputype = CPU_AU1200;
 			__cpu_name[cpu] = "Au1200";
-			if ((c->processor_id & 0xff) == 2) {
-				c->cputype = CPU_AU1250;
+			if ((c->processor_id & 0xff) == 2)
 				__cpu_name[cpu] = "Au1250";
-			}
 			break;
 		case 5:
-			c->cputype = CPU_AU1210;
 			__cpu_name[cpu] = "Au1210";
 			break;
 		default:
-			panic("Unknown Au Core!");
+			__cpu_name[cpu] = "Au1xxx";
 			break;
 		}
 		break;
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
index 963c16d266ab..6a8cd28133d5 100644
--- a/arch/mips/kernel/irq-msc01.c
+++ b/arch/mips/kernel/irq-msc01.c
@@ -140,14 +140,16 @@ void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqma
 
 		switch (imp->im_type) {
 		case MSC01_IRQ_EDGE:
-			set_irq_chip(irqbase+n, &msc_edgeirq_type);
+			set_irq_chip_and_handler_name(irqbase + n,
+				&msc_edgeirq_type, handle_edge_irq, "edge");
 			if (cpu_has_veic)
 				MSCIC_WRITE(MSC01_IC_SUP+n*8, MSC01_IC_SUP_EDGE_BIT);
 			else
 				MSCIC_WRITE(MSC01_IC_SUP+n*8, MSC01_IC_SUP_EDGE_BIT | imp->im_lvl);
 			break;
 		case MSC01_IRQ_LEVEL:
-			set_irq_chip(irqbase+n, &msc_levelirq_type);
+			set_irq_chip_and_handler_name(irqbase+n,
+				&msc_levelirq_type, handle_level_irq, "level");
 			if (cpu_has_veic)
 				MSCIC_WRITE(MSC01_IC_SUP+n*8, 0);
 			else
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 0ee2567b780d..55c8a3ca507b 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -112,7 +112,8 @@ void __init mips_cpu_irq_init(void)
 	 */
 	if (cpu_has_mipsmt)
 		for (i = irq_base; i < irq_base + 2; i++)
-			set_irq_chip(i, &mips_mt_cpu_irq_controller);
+			set_irq_chip_and_handler(i, &mips_mt_cpu_irq_controller,
+						 handle_percpu_irq);
 
 	for (i = irq_base + 2; i < irq_base + 8; i++)
 		set_irq_chip_and_handler(i, &mips_cpu_irq_controller,
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 2a472713de8e..6242bc68add7 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -133,9 +133,9 @@ SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy,
 	return sys_ftruncate(fd, merge_64(a2, a3));
 }
 
-SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high,
-	unsigned long, offset_low, loff_t __user *, result,
-	unsigned long, origin)
+SYSCALL_DEFINE5(32_llseek, unsigned int, fd, unsigned int, offset_high,
+		unsigned int, offset_low, loff_t __user *, result,
+		unsigned int, origin)
 {
 	return sys_llseek(fd, offset_high, offset_low, result, origin);
 }
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 4430a1f8fdf1..2950b97253b7 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -277,7 +277,8 @@ static void __init bootmem_init(void)
 	 * not selected. Once that done we can determine the low bound
 	 * of usable memory.
 	 */
-	reserved_end = max(init_initrd(), PFN_UP(__pa_symbol(&_end)));
+	reserved_end = max(init_initrd(),
+			   (unsigned long) PFN_UP(__pa_symbol(&_end)));
 
 	/*
 	 * max_low_pfn is not a number of pages. The number of pages
diff --git a/arch/mips/kernel/smp-up.c b/arch/mips/kernel/smp-up.c
index ead6c30eeb14..878e3733bbb2 100644
--- a/arch/mips/kernel/smp-up.c
+++ b/arch/mips/kernel/smp-up.c
@@ -13,7 +13,7 @@
 /*
  * Send inter-processor interrupt
  */
-void up_send_ipi_single(int cpu, unsigned int action)
+static void up_send_ipi_single(int cpu, unsigned int action)
 {
 	panic(KERN_ERR "%s called", __func__);
 }
@@ -27,31 +27,31 @@ static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
  *  After we've done initial boot, this function is called to allow the
  *  board code to clean up state, if needed
  */
-void __cpuinit up_init_secondary(void)
+static void __cpuinit up_init_secondary(void)
 {
 }
 
-void __cpuinit up_smp_finish(void)
+static void __cpuinit up_smp_finish(void)
 {
 }
 
 /* Hook for after all CPUs are online */
-void up_cpus_done(void)
+static void up_cpus_done(void)
 {
 }
 
 /*
  * Firmware CPU startup hook
  */
-void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
+static void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
 {
 }
 
-void __init up_smp_setup(void)
+static void __init up_smp_setup(void)
 {
 }
 
-void __init up_prepare_cpus(unsigned int max_cpus)
+static void __init up_prepare_cpus(unsigned int max_cpus)
 {
 }
 
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 3da94704f816..c937506a03aa 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -44,7 +44,7 @@
 #include <asm/mipsmtregs.h>
 #endif /* CONFIG_MIPS_MT_SMTC */
 
-volatile cpumask_t cpu_callin_map;	/* Bitmask of started secondaries */
+static volatile cpumask_t cpu_callin_map;	/* Bitmask of started secondaries */
 int __cpu_number_map[NR_CPUS];		/* Map physical to logical */
 int __cpu_logical_map[NR_CPUS];		/* Map logical to physical */
 
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 29fadaccecdd..e83da174b533 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1277,8 +1277,7 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
 	u32 *w;
 	unsigned char *b;
 
-	if (!cpu_has_veic && !cpu_has_vint)
-		BUG();
+	BUG_ON(!cpu_has_veic && !cpu_has_vint);
 
 	if (addr == NULL) {
 		handler = (unsigned long) do_default_vi;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 871e828bc62a..58d9075e86fe 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1026,13 +1026,7 @@ static void __cpuinit probe_pcache(void)
 		c->icache.flags |= MIPS_CACHE_VTAG;
 		break;
 
-	case CPU_AU1000:
-	case CPU_AU1500:
-	case CPU_AU1100:
-	case CPU_AU1550:
-	case CPU_AU1200:
-	case CPU_AU1210:
-	case CPU_AU1250:
+	case CPU_ALCHEMY:
 		c->icache.flags |= MIPS_CACHE_IC_F_DC;
 		break;
 	}
@@ -1244,7 +1238,7 @@ void au1x00_fixup_config_od(void)
 	/*
 	 * Au1100 errata actually keeps silence about this bit, so we set it
 	 * just in case for those revisions that require it to be set according
-	 * to arch/mips/au1000/common/cputable.c
+	 * to the (now gone) cpu table.
 	 */
 	case 0x02030200: /* Au1100 AB */
 	case 0x02030201: /* Au1100 BA */
@@ -1314,11 +1308,10 @@ static void __cpuinit coherency_setup(void)
 		break;
 	/*
 	 * We need to catch the early Alchemy SOCs with
-	 * the write-only co_config.od bit and set it back to one...
+	 * the write-only co_config.od bit and set it back to one on:
+	 * Au1000 rev DA, HA, HB;  Au1100 AB, BA, BC, Au1500 AB
 	 */
-	case CPU_AU1000: /* rev. DA, HA, HB */
-	case CPU_AU1100: /* rev. AB, BA, BC ?? */
-	case CPU_AU1500: /* rev. AB */
+	case CPU_ALCHEMY:
 		au1x00_fixup_config_od();
 		break;
 
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index 8f2cd8eda741..060d28dca8a8 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -17,8 +17,7 @@ void *__kmap(struct page *page)
 
 void __kunmap(struct page *page)
 {
-	if (in_interrupt())
-		BUG();
+	BUG_ON(in_interrupt());
 	if (!PageHighMem(page))
 		return;
 	kunmap_high(page);
@@ -46,8 +45,7 @@ void *__kmap_atomic(struct page *page, enum km_type type)
 	idx = type + KM_TYPE_NR*smp_processor_id();
 	vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
 #ifdef CONFIG_DEBUG_HIGHMEM
-	if (!pte_none(*(kmap_pte-idx)))
-		BUG();
+	BUG_ON(!pte_none(*(kmap_pte - idx)));
 #endif
 	set_pte(kmap_pte-idx, mk_pte(page, kmap_prot));
 	local_flush_tlb_one((unsigned long)vaddr);
@@ -66,8 +64,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type)
 		return;
 	}
 
-	if (vaddr != __fix_to_virt(FIX_KMAP_BEGIN+idx))
-		BUG();
+	BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
 
 	/*
 	 * force other mappings to Oops if they'll try to access
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 137c14bafd6b..d9348946a19e 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -307,8 +307,7 @@ void __init fixrange_init(unsigned long start, unsigned long end,
 				if (pmd_none(*pmd)) {
 					pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
 					set_pmd(pmd, __pmd((unsigned long)pte));
-					if (pte != pte_offset_kernel(pmd, 0))
-						BUG();
+					BUG_ON(pte != pte_offset_kernel(pmd, 0));
 				}
 				vaddr += PMD_SIZE;
 			}
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index 59945b9ee23c..0c43248347bd 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -27,8 +27,7 @@ static inline void remap_area_pte(pte_t * pte, unsigned long address,
 	end = address + size;
 	if (end > PMD_SIZE)
 		end = PMD_SIZE;
-	if (address >= end)
-		BUG();
+	BUG_ON(address >= end);
 	pfn = phys_addr >> PAGE_SHIFT;
 	do {
 		if (!pte_none(*pte)) {
@@ -52,8 +51,7 @@ static inline int remap_area_pmd(pmd_t * pmd, unsigned long address,
 	if (end > PGDIR_SIZE)
 		end = PGDIR_SIZE;
 	phys_addr -= address;
-	if (address >= end)
-		BUG();
+	BUG_ON(address >= end);
 	do {
 		pte_t * pte = pte_alloc_kernel(pmd, address);
 		if (!pte)
@@ -75,8 +73,7 @@ static int remap_area_pages(unsigned long address, phys_t phys_addr,
 	phys_addr -= address;
 	dir = pgd_offset(&init_mm, address);
 	flush_cache_all();
-	if (address >= end)
-		BUG();
+	BUG_ON(address >= end);
 	do {
 		pud_t *pud;
 		pmd_t *pmd;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index f335cf6cdd78..0615b62efd6d 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -292,13 +292,6 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l,
 	case CPU_R4300:
 	case CPU_5KC:
 	case CPU_TX49XX:
-	case CPU_AU1000:
-	case CPU_AU1100:
-	case CPU_AU1500:
-	case CPU_AU1550:
-	case CPU_AU1200:
-	case CPU_AU1210:
-	case CPU_AU1250:
 	case CPU_PR4450:
 		uasm_i_nop(p);
 		tlbw(p);
@@ -321,6 +314,7 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l,
 	case CPU_R5500:
 		if (m4kc_tlbp_war())
 			uasm_i_nop(p);
+	case CPU_ALCHEMY:
 		tlbw(p);
 		break;
 
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index 4832af251668..475038a141a6 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -48,7 +48,7 @@ int *_prom_argv, *_prom_envp;
 
 int init_debug = 0;
 
-int mips_revision_corid;
+static int mips_revision_corid;
 int mips_revision_sconid;
 
 /* Bonito64 system controller register base. */
diff --git a/arch/mips/sgi-ip27/ip27-berr.c b/arch/mips/sgi-ip27/ip27-berr.c
index 7d05e68fdc77..04cebadc2b3c 100644
--- a/arch/mips/sgi-ip27/ip27-berr.c
+++ b/arch/mips/sgi-ip27/ip27-berr.c
@@ -66,7 +66,7 @@ int ip27_be_handler(struct pt_regs *regs, int is_fixup)
 	printk("Slice %c got %cbe at 0x%lx\n", 'A' + cpu, data ? 'd' : 'i',
 	       regs->cp0_epc);
 	printk("Hub information:\n");
-	printk("ERR_INT_PEND = 0x%06lx\n", LOCAL_HUB_L(PI_ERR_INT_PEND));
+	printk("ERR_INT_PEND = 0x%06llx\n", LOCAL_HUB_L(PI_ERR_INT_PEND));
 	errst0 = LOCAL_HUB_L(cpu ? PI_ERR_STATUS0_B : PI_ERR_STATUS0_A);
 	errst1 = LOCAL_HUB_L(cpu ? PI_ERR_STATUS1_B : PI_ERR_STATUS1_A);
 	dump_hub_information(errst0, errst1);
diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c
index 64459e7d891b..a1f21d9421e8 100644
--- a/arch/mips/sgi-ip27/ip27-nmi.c
+++ b/arch/mips/sgi-ip27/ip27-nmi.c
@@ -143,8 +143,8 @@ void nmi_dump_hub_irq(nasid_t nasid, int slice)
 	pend0 = REMOTE_HUB_L(nasid, PI_INT_PEND0);
 	pend1 = REMOTE_HUB_L(nasid, PI_INT_PEND1);
 
-	printk("PI_INT_MASK0: %16lx PI_INT_MASK1: %16lx\n", mask0, mask1);
-	printk("PI_INT_PEND0: %16lx PI_INT_PEND1: %16lx\n", pend0, pend1);
+	printk("PI_INT_MASK0: %16Lx PI_INT_MASK1: %16Lx\n", mask0, mask1);
+	printk("PI_INT_PEND0: %16Lx PI_INT_PEND1: %16Lx\n", pend0, pend1);
 	printk("\n\n");
 }
 
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 0d6b6663d5f6..0aefc5319a03 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -325,16 +325,11 @@ static void mask_and_ack_maceisa_irq(unsigned int irq)
 {
 	unsigned long mace_int;
 
-	switch (irq) {
-	case MACEISA_PARALLEL_IRQ:
-	case MACEISA_SERIAL1_TDMAPR_IRQ:
-	case MACEISA_SERIAL2_TDMAPR_IRQ:
-		/* edge triggered */
-		mace_int = mace->perif.ctrl.istat;
-		mace_int &= ~(1 << (irq - MACEISA_AUDIO_SW_IRQ));
-		mace->perif.ctrl.istat = mace_int;
-		break;
-	}
+	/* edge triggered */
+	mace_int = mace->perif.ctrl.istat;
+	mace_int &= ~(1 << (irq - MACEISA_AUDIO_SW_IRQ));
+	mace->perif.ctrl.istat = mace_int;
+
 	disable_maceisa_irq(irq);
 }
 
@@ -344,7 +339,16 @@ static void end_maceisa_irq(unsigned irq)
 		enable_maceisa_irq(irq);
 }
 
-static struct irq_chip ip32_maceisa_interrupt = {
+static struct irq_chip ip32_maceisa_level_interrupt = {
+	.name		= "IP32 MACE ISA",
+	.ack		= disable_maceisa_irq,
+	.mask		= disable_maceisa_irq,
+	.mask_ack	= disable_maceisa_irq,
+	.unmask		= enable_maceisa_irq,
+	.end		= end_maceisa_irq,
+};
+
+static struct irq_chip ip32_maceisa_edge_interrupt = {
 	.name		= "IP32 MACE ISA",
 	.ack		= mask_and_ack_maceisa_irq,
 	.mask		= disable_maceisa_irq,
@@ -500,27 +504,50 @@ void __init arch_init_irq(void)
 	for (irq = CRIME_IRQ_BASE; irq <= IP32_IRQ_MAX; irq++) {
 		switch (irq) {
 		case MACE_VID_IN1_IRQ ... MACE_PCI_BRIDGE_IRQ:
-			set_irq_chip(irq, &ip32_mace_interrupt);
+			set_irq_chip_and_handler_name(irq,&ip32_mace_interrupt,
+				handle_level_irq, "level");
 			break;
+
 		case MACEPCI_SCSI0_IRQ ...  MACEPCI_SHARED2_IRQ:
-			set_irq_chip(irq, &ip32_macepci_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&ip32_macepci_interrupt, handle_level_irq,
+				"level");
 			break;
+
 		case CRIME_GBE0_IRQ ... CRIME_GBE3_IRQ:
-			set_irq_chip(irq, &crime_edge_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&crime_edge_interrupt, handle_edge_irq, "edge");
 			break;
 		case CRIME_CPUERR_IRQ:
 		case CRIME_MEMERR_IRQ:
-			set_irq_chip(irq, &crime_level_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&crime_level_interrupt, handle_level_irq,
+				"level");
 			break;
+
 		case CRIME_RE_EMPTY_E_IRQ ... CRIME_RE_IDLE_E_IRQ:
 		case CRIME_SOFT0_IRQ ... CRIME_SOFT2_IRQ:
-			set_irq_chip(irq, &crime_edge_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&crime_edge_interrupt, handle_edge_irq, "edge");
 			break;
+
 		case CRIME_VICE_IRQ:
-			set_irq_chip(irq, &crime_edge_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&crime_edge_interrupt, handle_edge_irq, "edge");
+			break;
+
+		case MACEISA_PARALLEL_IRQ:
+		case MACEISA_SERIAL1_TDMAPR_IRQ:
+		case MACEISA_SERIAL2_TDMAPR_IRQ:
+			set_irq_chip_and_handler_name(irq,
+				&ip32_maceisa_edge_interrupt, handle_edge_irq,
+				"edge");
 			break;
+
 		default:
-			set_irq_chip(irq, &ip32_maceisa_interrupt);
+			set_irq_chip_and_handler_name(irq,
+				&ip32_maceisa_level_interrupt, handle_level_irq,
+				"level");
 			break;
 		}
 	}
diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c
index ca93ecf825ae..828ce131c228 100644
--- a/arch/mips/sgi-ip32/ip32-memory.c
+++ b/arch/mips/sgi-ip32/ip32-memory.c
@@ -36,7 +36,7 @@ void __init prom_meminit(void)
 		if (base + size > (256 << 20))
 			base += CRIME_HI_MEM_BASE;
 
-		printk("CRIME MC: bank %u base 0x%016lx size %luMiB\n",
+		printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
 			bank, base, size >> 20);
 		add_memory_region(base, size, BOOT_MEM_RAM);
 	}
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 12b465d404df..352352b3cb2f 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -236,7 +236,7 @@ void __init init_bcm1480_irqs(void)
 	int i;
 
 	for (i = 0; i < BCM1480_NR_IRQS; i++) {
-		set_irq_chip(i, &bcm1480_irq_type);
+		set_irq_chip_and_handler(i, &bcm1480_irq_type, handle_level_irq);
 		bcm1480_irq_owner[i] = 0;
 	}
 }
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 808ac2959b8c..c08ff582da6f 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -220,7 +220,7 @@ void __init init_sb1250_irqs(void)
 	int i;
 
 	for (i = 0; i < SB1250_NR_IRQS; i++) {
-		set_irq_chip(i, &sb1250_irq_type);
+		set_irq_chip_and_handler(i, &sb1250_irq_type, handle_level_irq);
 		sb1250_irq_owner[i] = 0;
 	}
 }
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index 3f8cf5eb2f06..7dd76fb3b645 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -219,7 +219,7 @@ void __init sni_a20r_irq_init(void)
 	int i;
 
 	for (i = SNI_A20R_IRQ_BASE + 2 ; i < SNI_A20R_IRQ_BASE + 8; i++)
-		set_irq_chip(i, &a20r_irq_type);
+		set_irq_chip_and_handler(i, &a20r_irq_type, handle_level_irq);
 	sni_hwint = a20r_hwint;
 	change_c0_status(ST0_IM, IE_IRQ0);
 	setup_irq(SNI_A20R_IRQ_BASE + 3, &sni_isa_irq);
diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c
index 834650f371e0..74e6c67982fb 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -304,7 +304,7 @@ void __init sni_pcimt_irq_init(void)
 	mips_cpu_irq_init();
 	/* Actually we've got more interrupts to handle ...  */
 	for (i = PCIMT_IRQ_INT2; i <= PCIMT_IRQ_SCSI; i++)
-		set_irq_chip(i, &pcimt_irq_type);
+		set_irq_chip_and_handler(i, &pcimt_irq_type, handle_level_irq);
 	sni_hwint = sni_pcimt_hwint;
 	change_c0_status(ST0_IM, IE_IRQ1|IE_IRQ3);
 }
diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c
index e5f12cf96e8e..071a9573ac7f 100644
--- a/arch/mips/sni/pcit.c
+++ b/arch/mips/sni/pcit.c
@@ -246,7 +246,7 @@ void __init sni_pcit_irq_init(void)
 
 	mips_cpu_irq_init();
 	for (i = SNI_PCIT_INT_START; i <= SNI_PCIT_INT_END; i++)
-		set_irq_chip(i, &pcit_irq_type);
+		set_irq_chip_and_handler(i, &pcit_irq_type, handle_level_irq);
 	*(volatile u32 *)SNI_PCIT_INT_REG = 0;
 	sni_hwint = sni_pcit_hwint;
 	change_c0_status(ST0_IM, IE_IRQ1);
@@ -259,7 +259,7 @@ void __init sni_pcit_cplus_irq_init(void)
 
 	mips_cpu_irq_init();
 	for (i = SNI_PCIT_INT_START; i <= SNI_PCIT_INT_END; i++)
-		set_irq_chip(i, &pcit_irq_type);
+		set_irq_chip_and_handler(i, &pcit_irq_type, handle_level_irq);
 	*(volatile u32 *)SNI_PCIT_INT_REG = 0x40000000;
 	sni_hwint = sni_pcit_hwint_cplus;
 	change_c0_status(ST0_IM, IE_IRQ0);
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 5310aa75afa4..b4352a0c8151 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -487,7 +487,7 @@ void __init sni_rm200_irq_init(void)
 	mips_cpu_irq_init();
 	/* Actually we've got more interrupts to handle ...  */
 	for (i = SNI_RM200_INT_START; i <= SNI_RM200_INT_END; i++)
-		set_irq_chip(i, &rm200_irq_type);
+		set_irq_chip_and_handler(i, &rm200_irq_type, handle_level_irq);
 	sni_hwint = sni_rm200_hwint;
 	change_c0_status(ST0_IM, IE_IRQ0);
 	setup_irq(SNI_RM200_INT_START + 0, &sni_rm200_i8259A_irq);
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 226e8bb2f0a1..0db7cf38ed8b 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -20,7 +20,6 @@ config MACH_TXX9
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config TOSHIBA_JMR3927
 	bool "Toshiba JMR-TX3927 board"