Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

155 files changed, 3481 insertions, 2399 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index d88983516e26..8e256cc5dcd9 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -22,6 +22,7 @@ config MIPS
 	select HAVE_DMA_API_DEBUG
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_PROBE
+	select GENERIC_IRQ_SHOW
 	select HAVE_ARCH_JUMP_LABEL
 
 menu "Machine selection"
@@ -777,6 +778,10 @@ config GENERIC_FIND_NEXT_BIT
 	bool
 	default y
 
+config GENERIC_FIND_BIT_LE
+	bool
+	default y
+
 config GENERIC_HWEIGHT
 	bool
 	default y
@@ -858,6 +863,9 @@ config GPIO_TXX9
 config CFE
 	bool
 
+config ARCH_DMA_ADDR_T_64BIT
+	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
+
 config DMA_COHERENT
 	bool
 
@@ -1127,7 +1135,7 @@ config CPU_LOONGSON2E
 	  The Loongson 2E processor implements the MIPS III instruction set
 	  with many extensions.
 
-	  It has an internal FPGA northbridge, which is compatiable to
+	  It has an internal FPGA northbridge, which is compatible to
 	  bonito64.
 
 config CPU_LOONGSON2F
@@ -2340,6 +2348,16 @@ source "drivers/pcmcia/Kconfig"
 
 source "drivers/pci/hotplug/Kconfig"
 
+config RAPIDIO
+	bool "RapidIO support"
+	depends on PCI
+	default n
+	help
+	  If you say Y here, the kernel will include drivers and
+	  infrastructure code to support RapidIO interconnect devices.
+
+source "drivers/rapidio/Kconfig"
+
 endmenu
 
 menu "Executable file formats"
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7c1102e41fe2..53e3514ba10e 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -101,7 +101,7 @@ cflags-y += -ffreestanding
 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
 # when fed the toolchain default!
 #
-# Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
+# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
 # are used, so we kludge that here.  A bug has been filed at
 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
@@ -286,11 +286,11 @@ CLEAN_FILES += vmlinux.32 vmlinux.64
 archprepare:
 ifdef CONFIG_MIPS32_N32
 	@echo '  Checking missing-syscalls for N32'
-	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
+	$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=n32"
 endif
 ifdef CONFIG_MIPS32_O32
 	@echo '  Checking missing-syscalls for O32'
-	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
+	$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=32"
 endif
 
 install:
@@ -314,5 +314,5 @@ define archhelp
 	echo '  vmlinuz.bin          - Raw binary zboot image'
 	echo '  vmlinuz.srec         - SREC zboot image'
 	echo
-	echo '  These will be default as apropriate for a configured platform.'
+	echo '  These will be default as appropriate for a configured platform.'
 endef
diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c
index af0fe41055af..f38298a8b98c 100644
--- a/arch/mips/alchemy/common/clocks.c
+++ b/arch/mips/alchemy/common/clocks.c
@@ -75,7 +75,7 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
  * 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
+ * properly.  This function is further convoluted to still allow configurations
  * to do that in case they have really, really old silicon with a
  * write-only PLL register.			-- Dan
  */
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index 9f78ada83b3c..55dd7c888517 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -39,7 +39,7 @@
 #include <asm/mach-pb1x00/pb1000.h>
 #endif
 
-static int au1x_ic_settype(unsigned int irq, unsigned int flow_type);
+static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type);
 
 /* NOTE on interrupt priorities: The original writers of this code said:
  *
@@ -218,17 +218,17 @@ struct au1xxx_irqmap au1200_irqmap[] __initdata = {
 };
 
 
-static void au1x_ic0_unmask(unsigned int irq_nr)
+static void au1x_ic0_unmask(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
 	au_writel(1 << bit, IC0_MASKSET);
 	au_writel(1 << bit, IC0_WAKESET);
 	au_sync();
 }
 
-static void au1x_ic1_unmask(unsigned int irq_nr)
+static void au1x_ic1_unmask(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
 	au_writel(1 << bit, IC1_MASKSET);
 	au_writel(1 << bit, IC1_WAKESET);
 
@@ -236,31 +236,31 @@ static void au1x_ic1_unmask(unsigned int irq_nr)
  * nowhere in the current kernel sources is it disabled.	--mlau
  */
 #if defined(CONFIG_MIPS_PB1000)
-	if (irq_nr == AU1000_GPIO15_INT)
+	if (d->irq == AU1000_GPIO15_INT)
 		au_writel(0x4000, PB1000_MDR); /* enable int */
 #endif
 	au_sync();
 }
 
-static void au1x_ic0_mask(unsigned int irq_nr)
+static void au1x_ic0_mask(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
 	au_writel(1 << bit, IC0_MASKCLR);
 	au_writel(1 << bit, IC0_WAKECLR);
 	au_sync();
 }
 
-static void au1x_ic1_mask(unsigned int irq_nr)
+static void au1x_ic1_mask(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
 	au_writel(1 << bit, IC1_MASKCLR);
 	au_writel(1 << bit, IC1_WAKECLR);
 	au_sync();
 }
 
-static void au1x_ic0_ack(unsigned int irq_nr)
+static void au1x_ic0_ack(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
 
 	/*
 	 * This may assume that we don't get interrupts from
@@ -271,9 +271,9 @@ static void au1x_ic0_ack(unsigned int irq_nr)
 	au_sync();
 }
 
-static void au1x_ic1_ack(unsigned int irq_nr)
+static void au1x_ic1_ack(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
 
 	/*
 	 * This may assume that we don't get interrupts from
@@ -284,9 +284,9 @@ static void au1x_ic1_ack(unsigned int irq_nr)
 	au_sync();
 }
 
-static void au1x_ic0_maskack(unsigned int irq_nr)
+static void au1x_ic0_maskack(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
 
 	au_writel(1 << bit, IC0_WAKECLR);
 	au_writel(1 << bit, IC0_MASKCLR);
@@ -295,9 +295,9 @@ static void au1x_ic0_maskack(unsigned int irq_nr)
 	au_sync();
 }
 
-static void au1x_ic1_maskack(unsigned int irq_nr)
+static void au1x_ic1_maskack(struct irq_data *d)
 {
-	unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+	unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
 
 	au_writel(1 << bit, IC1_WAKECLR);
 	au_writel(1 << bit, IC1_MASKCLR);
@@ -306,9 +306,9 @@ static void au1x_ic1_maskack(unsigned int irq_nr)
 	au_sync();
 }
 
-static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
+static int au1x_ic1_setwake(struct irq_data *d, unsigned int on)
 {
-	int bit = irq - AU1000_INTC1_INT_BASE;
+	int bit = d->irq - AU1000_INTC1_INT_BASE;
 	unsigned long wakemsk, flags;
 
 	/* only GPIO 0-7 can act as wakeup source.  Fortunately these
@@ -336,28 +336,30 @@ static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
  */
 static struct irq_chip au1x_ic0_chip = {
 	.name		= "Alchemy-IC0",
-	.ack		= au1x_ic0_ack,
-	.mask		= au1x_ic0_mask,
-	.mask_ack	= au1x_ic0_maskack,
-	.unmask		= au1x_ic0_unmask,
-	.set_type	= au1x_ic_settype,
+	.irq_ack	= au1x_ic0_ack,
+	.irq_mask	= au1x_ic0_mask,
+	.irq_mask_ack	= au1x_ic0_maskack,
+	.irq_unmask	= au1x_ic0_unmask,
+	.irq_set_type	= au1x_ic_settype,
 };
 
 static struct irq_chip au1x_ic1_chip = {
 	.name		= "Alchemy-IC1",
-	.ack		= au1x_ic1_ack,
-	.mask		= au1x_ic1_mask,
-	.mask_ack	= au1x_ic1_maskack,
-	.unmask		= au1x_ic1_unmask,
-	.set_type	= au1x_ic_settype,
-	.set_wake	= au1x_ic1_setwake,
+	.irq_ack	= au1x_ic1_ack,
+	.irq_mask	= au1x_ic1_mask,
+	.irq_mask_ack	= au1x_ic1_maskack,
+	.irq_unmask	= au1x_ic1_unmask,
+	.irq_set_type	= au1x_ic_settype,
+	.irq_set_wake	= au1x_ic1_setwake,
 };
 
-static int au1x_ic_settype(unsigned int irq, unsigned int flow_type)
+static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type)
 {
 	struct irq_chip *chip;
 	unsigned long icr[6];
-	unsigned int bit, ic;
+	unsigned int bit, ic, irq = d->irq;
+	irq_flow_handler_t handler = NULL;
+	unsigned char *name = NULL;
 	int ret;
 
 	if (irq >= AU1000_INTC1_INT_BASE) {
@@ -387,47 +389,47 @@ static int au1x_ic_settype(unsigned int irq, unsigned int flow_type)
 		au_writel(1 << bit, icr[5]);
 		au_writel(1 << bit, icr[4]);
 		au_writel(1 << bit, icr[0]);
-		set_irq_chip_and_handler_name(irq, chip,
-				handle_edge_irq, "riseedge");
+		handler = handle_edge_irq;
+		name = "riseedge";
 		break;
 	case IRQ_TYPE_EDGE_FALLING:	/* 0:1:0 */
 		au_writel(1 << bit, icr[5]);
 		au_writel(1 << bit, icr[1]);
 		au_writel(1 << bit, icr[3]);
-		set_irq_chip_and_handler_name(irq, chip,
-				handle_edge_irq, "falledge");
+		handler = handle_edge_irq;
+		name = "falledge";
 		break;
 	case IRQ_TYPE_EDGE_BOTH:	/* 0:1:1 */
 		au_writel(1 << bit, icr[5]);
 		au_writel(1 << bit, icr[1]);
 		au_writel(1 << bit, icr[0]);
-		set_irq_chip_and_handler_name(irq, chip,
-				handle_edge_irq, "bothedge");
+		handler = handle_edge_irq;
+		name = "bothedge";
 		break;
 	case IRQ_TYPE_LEVEL_HIGH:	/* 1:0:1 */
 		au_writel(1 << bit, icr[2]);
 		au_writel(1 << bit, icr[4]);
 		au_writel(1 << bit, icr[0]);
-		set_irq_chip_and_handler_name(irq, chip,
-				handle_level_irq, "hilevel");
+		handler = handle_level_irq;
+		name = "hilevel";
 		break;
 	case IRQ_TYPE_LEVEL_LOW:	/* 1:1:0 */
 		au_writel(1 << bit, icr[2]);
 		au_writel(1 << bit, icr[1]);
 		au_writel(1 << bit, icr[3]);
-		set_irq_chip_and_handler_name(irq, chip,
-				handle_level_irq, "lowlevel");
+		handler = handle_level_irq;
+		name = "lowlevel";
 		break;
 	case IRQ_TYPE_NONE:		/* 0:0:0 */
 		au_writel(1 << bit, icr[5]);
 		au_writel(1 << bit, icr[4]);
 		au_writel(1 << bit, icr[3]);
-		/* set at least chip so we can call set_irq_type() on it */
-		set_irq_chip(irq, chip);
 		break;
 	default:
 		ret = -EINVAL;
 	}
+	__irq_set_chip_handler_name_locked(d->irq, chip, handler, name);
+
 	au_sync();
 
 	return ret;
@@ -504,11 +506,11 @@ static void __init au1000_init_irq(struct au1xxx_irqmap *map)
 	 */
 	for (i = AU1000_INTC0_INT_BASE;
 	     (i < AU1000_INTC0_INT_BASE + 32); i++)
-		au1x_ic_settype(i, IRQ_TYPE_NONE);
+		au1x_ic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE);
 
 	for (i = AU1000_INTC1_INT_BASE;
 	     (i < AU1000_INTC1_INT_BASE + 32); i++)
-		au1x_ic_settype(i, IRQ_TYPE_NONE);
+		au1x_ic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE);
 
 	/*
 	 * Initialize IC0, which is fixed per processor.
@@ -526,7 +528,7 @@ static void __init au1000_init_irq(struct au1xxx_irqmap *map)
 				au_writel(1 << bit, IC0_ASSIGNSET);
 		}
 
-		au1x_ic_settype(irq_nr, map->im_type);
+		au1x_ic_settype(irq_get_irq_data(irq_nr), map->im_type);
 		++map;
 	}
 
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index c52af8821da0..596ad00e7f05 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -97,26 +97,26 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
  * CPLD generates tons of spurious interrupts (at least on my DB1200).
  *	-- mlau
  */
-static void bcsr_irq_mask(unsigned int irq_nr)
+static void bcsr_irq_mask(struct irq_data *d)
 {
-	unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+	unsigned short v = 1 << (d->irq - bcsr_csc_base);
 	__raw_writew(v, bcsr_virt + BCSR_REG_INTCLR);
 	__raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR);
 	wmb();
 }
 
-static void bcsr_irq_maskack(unsigned int irq_nr)
+static void bcsr_irq_maskack(struct irq_data *d)
 {
-	unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+	unsigned short v = 1 << (d->irq - bcsr_csc_base);
 	__raw_writew(v, bcsr_virt + BCSR_REG_INTCLR);
 	__raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR);
 	__raw_writew(v, bcsr_virt + BCSR_REG_INTSTAT);	/* ack */
 	wmb();
 }
 
-static void bcsr_irq_unmask(unsigned int irq_nr)
+static void bcsr_irq_unmask(struct irq_data *d)
 {
-	unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+	unsigned short v = 1 << (d->irq - bcsr_csc_base);
 	__raw_writew(v, bcsr_virt + BCSR_REG_INTSET);
 	__raw_writew(v, bcsr_virt + BCSR_REG_MASKSET);
 	wmb();
@@ -124,9 +124,9 @@ static void bcsr_irq_unmask(unsigned int irq_nr)
 
 static struct irq_chip bcsr_irq_type = {
 	.name		= "CPLD",
-	.mask		= bcsr_irq_mask,
-	.mask_ack	= bcsr_irq_maskack,
-	.unmask		= bcsr_irq_unmask,
+	.irq_mask	= bcsr_irq_mask,
+	.irq_mask_ack	= bcsr_irq_maskack,
+	.irq_unmask	= bcsr_irq_unmask,
 };
 
 void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq)
@@ -142,8 +142,8 @@ void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq)
 	bcsr_csc_base = csc_start;
 
 	for (irq = csc_start; irq <= csc_end; irq++)
-		set_irq_chip_and_handler_name(irq, &bcsr_irq_type,
-			handle_level_irq, "level");
+		irq_set_chip_and_handler_name(irq, &bcsr_irq_type,
+					      handle_level_irq, "level");
 
-	set_irq_chained_handler(hook_irq, bcsr_csc_handler);
+	irq_set_chained_handler(hook_irq, bcsr_csc_handler);
 }
diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c
index 887619547553..4a8980027ecf 100644
--- a/arch/mips/alchemy/devboards/db1200/setup.c
+++ b/arch/mips/alchemy/devboards/db1200/setup.c
@@ -63,20 +63,19 @@ void __init board_setup(void)
 static int __init db1200_arch_init(void)
 {
 	/* GPIO7 is low-level triggered CPLD cascade */
-	set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW);
 	bcsr_init_irq(DB1200_INT_BEGIN, DB1200_INT_END, AU1200_GPIO7_INT);
 
 	/* insert/eject pairs: one of both is always screaming.  To avoid
 	 * issues they must not be automatically enabled when initially
 	 * requested.
 	 */
-	irq_to_desc(DB1200_SD0_INSERT_INT)->status |= IRQ_NOAUTOEN;
-	irq_to_desc(DB1200_SD0_EJECT_INT)->status |= IRQ_NOAUTOEN;
-	irq_to_desc(DB1200_PC0_INSERT_INT)->status |= IRQ_NOAUTOEN;
-	irq_to_desc(DB1200_PC0_EJECT_INT)->status |= IRQ_NOAUTOEN;
-	irq_to_desc(DB1200_PC1_INSERT_INT)->status |= IRQ_NOAUTOEN;
-	irq_to_desc(DB1200_PC1_EJECT_INT)->status |= IRQ_NOAUTOEN;
-
+	irq_set_status_flags(DB1200_SD0_INSERT_INT, IRQ_NOAUTOEN);
+	irq_set_status_flags(DB1200_SD0_EJECT_INT, IRQ_NOAUTOEN);
+	irq_set_status_flags(DB1200_PC0_INSERT_INT, IRQ_NOAUTOEN);
+	irq_set_status_flags(DB1200_PC0_EJECT_INT, IRQ_NOAUTOEN);
+	irq_set_status_flags(DB1200_PC1_INSERT_INT, IRQ_NOAUTOEN);
+	irq_set_status_flags(DB1200_PC1_EJECT_INT, IRQ_NOAUTOEN);
 	return 0;
 }
 arch_initcall(db1200_arch_init);
diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c
index 9e45971343ed..05f120ff90f9 100644
--- a/arch/mips/alchemy/devboards/db1x00/board_setup.c
+++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c
@@ -215,35 +215,35 @@ void __init board_setup(void)
 static int __init db1x00_init_irq(void)
 {
 #if defined(CONFIG_MIPS_MIRAGE)
-	set_irq_type(AU1500_GPIO7_INT, IRQF_TRIGGER_RISING); /* TS pendown */
+	irq_set_irq_type(AU1500_GPIO7_INT, IRQF_TRIGGER_RISING); /* TS pendown */
 #elif defined(CONFIG_MIPS_DB1550)
-	set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW);  /* CD0# */
-	set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW);  /* CD1# */
-	set_irq_type(AU1550_GPIO3_INT, IRQF_TRIGGER_LOW);  /* CARD0# */
-	set_irq_type(AU1550_GPIO5_INT, IRQF_TRIGGER_LOW);  /* CARD1# */
-	set_irq_type(AU1550_GPIO21_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
-	set_irq_type(AU1550_GPIO22_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
+	irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW);  /* CD0# */
+	irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW);  /* CD1# */
+	irq_set_irq_type(AU1550_GPIO3_INT, IRQF_TRIGGER_LOW);  /* CARD0# */
+	irq_set_irq_type(AU1550_GPIO5_INT, IRQF_TRIGGER_LOW);  /* CARD1# */
+	irq_set_irq_type(AU1550_GPIO21_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
+	irq_set_irq_type(AU1550_GPIO22_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
 #elif defined(CONFIG_MIPS_DB1500)
-	set_irq_type(AU1500_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
-	set_irq_type(AU1500_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
-	set_irq_type(AU1500_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
-	set_irq_type(AU1500_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
-	set_irq_type(AU1500_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
-	set_irq_type(AU1500_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
+	irq_set_irq_type(AU1500_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
+	irq_set_irq_type(AU1500_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
+	irq_set_irq_type(AU1500_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
+	irq_set_irq_type(AU1500_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
+	irq_set_irq_type(AU1500_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
+	irq_set_irq_type(AU1500_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
 #elif defined(CONFIG_MIPS_DB1100)
-	set_irq_type(AU1100_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
-	set_irq_type(AU1100_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
-	set_irq_type(AU1100_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
-	set_irq_type(AU1100_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
-	set_irq_type(AU1100_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
-	set_irq_type(AU1100_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
+	irq_set_irq_type(AU1100_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
+	irq_set_irq_type(AU1100_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
+	irq_set_irq_type(AU1100_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
+	irq_set_irq_type(AU1100_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
+	irq_set_irq_type(AU1100_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
+	irq_set_irq_type(AU1100_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
 #elif defined(CONFIG_MIPS_DB1000)
-	set_irq_type(AU1000_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
-	set_irq_type(AU1000_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
-	set_irq_type(AU1000_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
-	set_irq_type(AU1000_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
-	set_irq_type(AU1000_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
-	set_irq_type(AU1000_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
+	irq_set_irq_type(AU1000_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
+	irq_set_irq_type(AU1000_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
+	irq_set_irq_type(AU1000_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
+	irq_set_irq_type(AU1000_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
+	irq_set_irq_type(AU1000_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
+	irq_set_irq_type(AU1000_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
 #endif
 	return 0;
 }
diff --git a/arch/mips/alchemy/devboards/pb1000/board_setup.c b/arch/mips/alchemy/devboards/pb1000/board_setup.c
index f6540ec47a64..2d85c4b5be09 100644
--- a/arch/mips/alchemy/devboards/pb1000/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1000/board_setup.c
@@ -197,7 +197,7 @@ void __init board_setup(void)
 
 static int __init pb1000_init_irq(void)
 {
-	set_irq_type(AU1000_GPIO15_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1000_GPIO15_INT, IRQF_TRIGGER_LOW);
 	return 0;
 }
 arch_initcall(pb1000_init_irq);
diff --git a/arch/mips/alchemy/devboards/pb1100/board_setup.c b/arch/mips/alchemy/devboards/pb1100/board_setup.c
index 90dda5f3ecc5..d108fd573aaf 100644
--- a/arch/mips/alchemy/devboards/pb1100/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1100/board_setup.c
@@ -117,10 +117,10 @@ void __init board_setup(void)
 
 static int __init pb1100_init_irq(void)
 {
-	set_irq_type(AU1100_GPIO9_INT,  IRQF_TRIGGER_LOW); /* PCCD# */
-	set_irq_type(AU1100_GPIO10_INT, IRQF_TRIGGER_LOW); /* PCSTSCHG# */
-	set_irq_type(AU1100_GPIO11_INT, IRQF_TRIGGER_LOW); /* PCCard# */
-	set_irq_type(AU1100_GPIO13_INT, IRQF_TRIGGER_LOW); /* DC_IRQ# */
+	irq_set_irq_type(AU1100_GPIO9_INT, IRQF_TRIGGER_LOW); /* PCCD# */
+	irq_set_irq_type(AU1100_GPIO10_INT, IRQF_TRIGGER_LOW); /* PCSTSCHG# */
+	irq_set_irq_type(AU1100_GPIO11_INT, IRQF_TRIGGER_LOW); /* PCCard# */
+	irq_set_irq_type(AU1100_GPIO13_INT, IRQF_TRIGGER_LOW); /* DC_IRQ# */
 
 	return 0;
 }
diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c
index 8b4466f2d44a..6d06b07c2381 100644
--- a/arch/mips/alchemy/devboards/pb1200/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c
@@ -142,7 +142,7 @@ static int __init pb1200_init_irq(void)
 		panic("Game over.  Your score is 0.");
 	}
 
-	set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW);
 	bcsr_init_irq(PB1200_INT_BEGIN, PB1200_INT_END, AU1200_GPIO7_INT);
 
 	return 0;
diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c
index 9cd9dfa698e7..83f46215eb0c 100644
--- a/arch/mips/alchemy/devboards/pb1500/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c
@@ -134,14 +134,14 @@ void __init board_setup(void)
 
 static int __init pb1500_init_irq(void)
 {
-	set_irq_type(AU1500_GPIO9_INT, IRQF_TRIGGER_LOW);   /* CD0# */
-	set_irq_type(AU1500_GPIO10_INT, IRQF_TRIGGER_LOW);  /* CARD0 */
-	set_irq_type(AU1500_GPIO11_INT, IRQF_TRIGGER_LOW);  /* STSCHG0# */
-	set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
-	set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO9_INT, IRQF_TRIGGER_LOW);   /* CD0# */
+	irq_set_irq_type(AU1500_GPIO10_INT, IRQF_TRIGGER_LOW);  /* CARD0 */
+	irq_set_irq_type(AU1500_GPIO11_INT, IRQF_TRIGGER_LOW);  /* STSCHG0# */
+	irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
 
 	return 0;
 }
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c
index 9d7d6edafa8d..b790213848bd 100644
--- a/arch/mips/alchemy/devboards/pb1550/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c
@@ -73,9 +73,9 @@ void __init board_setup(void)
 
 static int __init pb1550_init_irq(void)
 {
-	set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH);
 
 	/* enable both PCMCIA card irqs in the shared line */
 	alchemy_gpio2_enable_int(201);
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index 40b84b991191..cf436ab679ae 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -123,11 +123,11 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
 
 static int __init mtx1_init_irq(void)
 {
-	set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
-	set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
 
 	return 0;
 }
diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c
index 80c521e5290d..febfb0fb0896 100644
--- a/arch/mips/alchemy/xxs1500/board_setup.c
+++ b/arch/mips/alchemy/xxs1500/board_setup.c
@@ -85,19 +85,19 @@ void __init board_setup(void)
 
 static int __init xxs1500_init_irq(void)
 {
-	set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
-	set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO207_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO207_INT, IRQF_TRIGGER_LOW);
 
-	set_irq_type(AU1500_GPIO0_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO1_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO2_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO3_INT, IRQF_TRIGGER_LOW);
-	set_irq_type(AU1500_GPIO4_INT, IRQF_TRIGGER_LOW); /* CF irq */
-	set_irq_type(AU1500_GPIO5_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO0_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO1_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO2_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO3_INT, IRQF_TRIGGER_LOW);
+	irq_set_irq_type(AU1500_GPIO4_INT, IRQF_TRIGGER_LOW); /* CF irq */
+	irq_set_irq_type(AU1500_GPIO5_INT, IRQF_TRIGGER_LOW);
 
 	return 0;
 }
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index 4ec2642c568f..03db3daadbd8 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -49,51 +49,51 @@
 
 static int ar7_irq_base;
 
-static void ar7_unmask_irq(unsigned int irq)
+static void ar7_unmask_irq(struct irq_data *d)
 {
-	writel(1 << ((irq - ar7_irq_base) % 32),
-	       REG(ESR_OFFSET(irq - ar7_irq_base)));
+	writel(1 << ((d->irq - ar7_irq_base) % 32),
+	       REG(ESR_OFFSET(d->irq - ar7_irq_base)));
 }
 
-static void ar7_mask_irq(unsigned int irq)
+static void ar7_mask_irq(struct irq_data *d)
 {
-	writel(1 << ((irq - ar7_irq_base) % 32),
-	       REG(ECR_OFFSET(irq - ar7_irq_base)));
+	writel(1 << ((d->irq - ar7_irq_base) % 32),
+	       REG(ECR_OFFSET(d->irq - ar7_irq_base)));
 }
 
-static void ar7_ack_irq(unsigned int irq)
+static void ar7_ack_irq(struct irq_data *d)
 {
-	writel(1 << ((irq - ar7_irq_base) % 32),
-	       REG(CR_OFFSET(irq - ar7_irq_base)));
+	writel(1 << ((d->irq - ar7_irq_base) % 32),
+	       REG(CR_OFFSET(d->irq - ar7_irq_base)));
 }
 
-static void ar7_unmask_sec_irq(unsigned int irq)
+static void ar7_unmask_sec_irq(struct irq_data *d)
 {
-	writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET));
+	writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET));
 }
 
-static void ar7_mask_sec_irq(unsigned int irq)
+static void ar7_mask_sec_irq(struct irq_data *d)
 {
-	writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET));
+	writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET));
 }
 
-static void ar7_ack_sec_irq(unsigned int irq)
+static void ar7_ack_sec_irq(struct irq_data *d)
 {
-	writel(1 << (irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET));
+	writel(1 << (d->irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET));
 }
 
 static struct irq_chip ar7_irq_type = {
 	.name = "AR7",
-	.unmask = ar7_unmask_irq,
-	.mask = ar7_mask_irq,
-	.ack = ar7_ack_irq
+	.irq_unmask = ar7_unmask_irq,
+	.irq_mask = ar7_mask_irq,
+	.irq_ack = ar7_ack_irq
 };
 
 static struct irq_chip ar7_sec_irq_type = {
 	.name = "AR7",
-	.unmask = ar7_unmask_sec_irq,
-	.mask = ar7_mask_sec_irq,
-	.ack = ar7_ack_sec_irq,
+	.irq_unmask = ar7_unmask_sec_irq,
+	.irq_mask = ar7_mask_sec_irq,
+	.irq_ack = ar7_ack_sec_irq,
 };
 
 static struct irqaction ar7_cascade_action = {
@@ -119,11 +119,11 @@ static void __init ar7_irq_init(int base)
 	for (i = 0; i < 40; i++) {
 		writel(i, REG(CHNL_OFFSET(i)));
 		/* Primary IRQ's */
-		set_irq_chip_and_handler(base + i, &ar7_irq_type,
+		irq_set_chip_and_handler(base + i, &ar7_irq_type,
 					 handle_level_irq);
 		/* Secondary IRQ's */
 		if (i < 32)
-			set_irq_chip_and_handler(base + i + 40,
+			irq_set_chip_and_handler(base + i + 40,
 						 &ar7_sec_irq_type,
 						 handle_level_irq);
 	}
diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
index 1bf7f719ba53..ac610d5fe3ba 100644
--- a/arch/mips/ath79/irq.c
+++ b/arch/mips/ath79/irq.c
@@ -62,13 +62,12 @@ static void ath79_misc_irq_handler(unsigned int irq, struct irq_desc *desc)
 		spurious_interrupt();
 }
 
-static void ar71xx_misc_irq_unmask(unsigned int irq)
+static void ar71xx_misc_irq_unmask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - ATH79_MISC_IRQ_BASE;
 	void __iomem *base = ath79_reset_base;
 	u32 t;
 
-	irq -= ATH79_MISC_IRQ_BASE;
-
 	t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 	__raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 
@@ -76,13 +75,12 @@ static void ar71xx_misc_irq_unmask(unsigned int irq)
 	__raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 }
 
-static void ar71xx_misc_irq_mask(unsigned int irq)
+static void ar71xx_misc_irq_mask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - ATH79_MISC_IRQ_BASE;
 	void __iomem *base = ath79_reset_base;
 	u32 t;
 
-	irq -= ATH79_MISC_IRQ_BASE;
-
 	t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 	__raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 
@@ -90,13 +88,12 @@ static void ar71xx_misc_irq_mask(unsigned int irq)
 	__raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE);
 }
 
-static void ar724x_misc_irq_ack(unsigned int irq)
+static void ar724x_misc_irq_ack(struct irq_data *d)
 {
+	unsigned int irq = d->irq - ATH79_MISC_IRQ_BASE;
 	void __iomem *base = ath79_reset_base;
 	u32 t;
 
-	irq -= ATH79_MISC_IRQ_BASE;
-
 	t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS);
 	__raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_MISC_INT_STATUS);
 
@@ -106,8 +103,8 @@ static void ar724x_misc_irq_ack(unsigned int irq)
 
 static struct irq_chip ath79_misc_irq_chip = {
 	.name		= "MISC",
-	.unmask		= ar71xx_misc_irq_unmask,
-	.mask		= ar71xx_misc_irq_mask,
+	.irq_unmask	= ar71xx_misc_irq_unmask,
+	.irq_mask	= ar71xx_misc_irq_mask,
 };
 
 static void __init ath79_misc_irq_init(void)
@@ -119,20 +116,19 @@ static void __init ath79_misc_irq_init(void)
 	__raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_STATUS);
 
 	if (soc_is_ar71xx() || soc_is_ar913x())
-		ath79_misc_irq_chip.mask_ack = ar71xx_misc_irq_mask;
+		ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask;
 	else if (soc_is_ar724x())
-		ath79_misc_irq_chip.ack = ar724x_misc_irq_ack;
+		ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
 	else
 		BUG();
 
 	for (i = ATH79_MISC_IRQ_BASE;
 	     i < ATH79_MISC_IRQ_BASE + ATH79_MISC_IRQ_COUNT; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		set_irq_chip_and_handler(i, &ath79_misc_irq_chip,
+		irq_set_chip_and_handler(i, &ath79_misc_irq_chip,
 					 handle_level_irq);
 	}
 
-	set_irq_chained_handler(ATH79_CPU_IRQ_MISC, ath79_misc_irq_handler);
+	irq_set_chained_handler(ATH79_CPU_IRQ_MISC, ath79_misc_irq_handler);
 }
 
 asmlinkage void plat_irq_dispatch(void)
diff --git a/arch/mips/bcm63xx/boards/Makefile b/arch/mips/bcm63xx/boards/Makefile
index e5cc86dc1da8..9f64fb414077 100644
--- a/arch/mips/bcm63xx/boards/Makefile
+++ b/arch/mips/bcm63xx/boards/Makefile
@@ -1,3 +1,3 @@
 obj-$(CONFIG_BOARD_BCM963XX)		+= board_bcm963xx.o
 
-EXTRA_CFLAGS += -Werror
+ccflags-y := -Werror
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index 3be87f2422f0..cea6021cb8d7 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -76,88 +76,80 @@ asmlinkage void plat_irq_dispatch(void)
  * internal IRQs operations: only mask/unmask on PERF irq mask
  * register.
  */
-static inline void bcm63xx_internal_irq_mask(unsigned int irq)
+static inline void bcm63xx_internal_irq_mask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_INTERNAL_BASE;
 	u32 mask;
 
-	irq -= IRQ_INTERNAL_BASE;
 	mask = bcm_perf_readl(PERF_IRQMASK_REG);
 	mask &= ~(1 << irq);
 	bcm_perf_writel(mask, PERF_IRQMASK_REG);
 }
 
-static void bcm63xx_internal_irq_unmask(unsigned int irq)
+static void bcm63xx_internal_irq_unmask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_INTERNAL_BASE;
 	u32 mask;
 
-	irq -= IRQ_INTERNAL_BASE;
 	mask = bcm_perf_readl(PERF_IRQMASK_REG);
 	mask |= (1 << irq);
 	bcm_perf_writel(mask, PERF_IRQMASK_REG);
 }
 
-static unsigned int bcm63xx_internal_irq_startup(unsigned int irq)
-{
-	bcm63xx_internal_irq_unmask(irq);
-	return 0;
-}
-
 /*
  * external IRQs operations: mask/unmask and clear on PERF external
  * irq control register.
  */
-static void bcm63xx_external_irq_mask(unsigned int irq)
+static void bcm63xx_external_irq_mask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg &= ~EXTIRQ_CFG_MASK(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static void bcm63xx_external_irq_unmask(unsigned int irq)
+static void bcm63xx_external_irq_unmask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg |= EXTIRQ_CFG_MASK(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static void bcm63xx_external_irq_clear(unsigned int irq)
+static void bcm63xx_external_irq_clear(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg |= EXTIRQ_CFG_CLEAR(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static unsigned int bcm63xx_external_irq_startup(unsigned int irq)
+static unsigned int bcm63xx_external_irq_startup(struct irq_data *d)
 {
-	set_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	set_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE));
 	irq_enable_hazard();
-	bcm63xx_external_irq_unmask(irq);
+	bcm63xx_external_irq_unmask(d);
 	return 0;
 }
 
-static void bcm63xx_external_irq_shutdown(unsigned int irq)
+static void bcm63xx_external_irq_shutdown(struct irq_data *d)
 {
-	bcm63xx_external_irq_mask(irq);
-	clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	bcm63xx_external_irq_mask(d);
+	clear_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE));
 	irq_disable_hazard();
 }
 
-static int bcm63xx_external_irq_set_type(unsigned int irq,
+static int bcm63xx_external_irq_set_type(struct irq_data *d,
 					 unsigned int flow_type)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
-	struct irq_desc *desc = irq_desc + irq;
-
-	irq -= IRQ_EXT_BASE;
 
 	flow_type &= IRQ_TYPE_SENSE_MASK;
 
@@ -199,37 +191,32 @@ static int bcm63xx_external_irq_set_type(unsigned int irq,
 	}
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 
-	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))  {
-		desc->status |= IRQ_LEVEL;
-		desc->handle_irq = handle_level_irq;
-	} else {
-		desc->handle_irq = handle_edge_irq;
-	}
+	irqd_set_trigger_type(d, flow_type);
+	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+		__irq_set_handler_locked(d->irq, handle_level_irq);
+	else
+		__irq_set_handler_locked(d->irq, handle_edge_irq);
 
-	return 0;
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 
 static struct irq_chip bcm63xx_internal_irq_chip = {
 	.name		= "bcm63xx_ipic",
-	.startup	= bcm63xx_internal_irq_startup,
-	.shutdown	= bcm63xx_internal_irq_mask,
-
-	.mask		= bcm63xx_internal_irq_mask,
-	.mask_ack	= bcm63xx_internal_irq_mask,
-	.unmask		= bcm63xx_internal_irq_unmask,
+	.irq_mask	= bcm63xx_internal_irq_mask,
+	.irq_unmask	= bcm63xx_internal_irq_unmask,
 };
 
 static struct irq_chip bcm63xx_external_irq_chip = {
 	.name		= "bcm63xx_epic",
-	.startup	= bcm63xx_external_irq_startup,
-	.shutdown	= bcm63xx_external_irq_shutdown,
+	.irq_startup	= bcm63xx_external_irq_startup,
+	.irq_shutdown	= bcm63xx_external_irq_shutdown,
 
-	.ack		= bcm63xx_external_irq_clear,
+	.irq_ack	= bcm63xx_external_irq_clear,
 
-	.mask		= bcm63xx_external_irq_mask,
-	.unmask		= bcm63xx_external_irq_unmask,
+	.irq_mask	= bcm63xx_external_irq_mask,
+	.irq_unmask	= bcm63xx_external_irq_unmask,
 
-	.set_type	= bcm63xx_external_irq_set_type,
+	.irq_set_type	= bcm63xx_external_irq_set_type,
 };
 
 static struct irqaction cpu_ip2_cascade_action = {
@@ -243,11 +230,11 @@ void __init arch_init_irq(void)
 
 	mips_cpu_irq_init();
 	for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i)
-		set_irq_chip_and_handler(i, &bcm63xx_internal_irq_chip,
+		irq_set_chip_and_handler(i, &bcm63xx_internal_irq_chip,
 					 handle_level_irq);
 
 	for (i = IRQ_EXT_BASE; i < IRQ_EXT_BASE + 4; ++i)
-		set_irq_chip_and_handler(i, &bcm63xx_external_irq_chip,
+		irq_set_chip_and_handler(i, &bcm63xx_external_irq_chip,
 					 handle_edge_irq);
 
 	setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action);
diff --git a/arch/mips/cavium-octeon/executive/octeon-model.c b/arch/mips/cavium-octeon/executive/octeon-model.c
index 9afc3794ed1b..c8d35684504e 100644
--- a/arch/mips/cavium-octeon/executive/octeon-model.c
+++ b/arch/mips/cavium-octeon/executive/octeon-model.c
@@ -75,7 +75,7 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 
 	num_cores = cvmx_octeon_num_cores();
 
-	/* Make sure the non existant devices look disabled */
+	/* Make sure the non existent devices look disabled */
 	switch ((chip_id >> 8) & 0xff) {
 	case 6:		/* CN50XX */
 	case 2:		/* CN30XX */
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index ce7500cdf5b7..ffd4ae660f79 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -3,10 +3,13 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2004-2008, 2009, 2010 Cavium Networks
+ * Copyright (C) 2004-2008, 2009, 2010, 2011 Cavium Networks
  */
-#include <linux/irq.h>
+
 #include <linux/interrupt.h>
+#include <linux/bitops.h>
+#include <linux/percpu.h>
+#include <linux/irq.h>
 #include <linux/smp.h>
 
 #include <asm/octeon/octeon.h>
@@ -14,6 +17,47 @@
 static DEFINE_RAW_SPINLOCK(octeon_irq_ciu0_lock);
 static DEFINE_RAW_SPINLOCK(octeon_irq_ciu1_lock);
 
+static DEFINE_PER_CPU(unsigned long, octeon_irq_ciu0_en_mirror);
+static DEFINE_PER_CPU(unsigned long, octeon_irq_ciu1_en_mirror);
+
+static __read_mostly u8 octeon_irq_ciu_to_irq[8][64];
+
+union octeon_ciu_chip_data {
+	void *p;
+	unsigned long l;
+	struct {
+		unsigned int line:6;
+		unsigned int bit:6;
+	} s;
+};
+
+struct octeon_core_chip_data {
+	struct mutex core_irq_mutex;
+	bool current_en;
+	bool desired_en;
+	u8 bit;
+};
+
+#define MIPS_CORE_IRQ_LINES 8
+
+static struct octeon_core_chip_data octeon_irq_core_chip_data[MIPS_CORE_IRQ_LINES];
+
+static void __init octeon_irq_set_ciu_mapping(int irq, int line, int bit,
+					      struct irq_chip *chip,
+					      irq_flow_handler_t handler)
+{
+	union octeon_ciu_chip_data cd;
+
+	irq_set_chip_and_handler(irq, chip, handler);
+
+	cd.l = 0;
+	cd.s.line = line;
+	cd.s.bit = bit;
+
+	irq_set_chip_data(irq, cd.p);
+	octeon_irq_ciu_to_irq[line][bit] = irq;
+}
+
 static int octeon_coreid_for_cpu(int cpu)
 {
 #ifdef CONFIG_SMP
@@ -23,9 +67,20 @@ static int octeon_coreid_for_cpu(int cpu)
 #endif
 }
 
-static void octeon_irq_core_ack(unsigned int irq)
+static int octeon_cpu_for_coreid(int coreid)
+{
+#ifdef CONFIG_SMP
+	return cpu_number_map(coreid);
+#else
+	return smp_processor_id();
+#endif
+}
+
+static void octeon_irq_core_ack(struct irq_data *data)
 {
-	unsigned int bit = irq - OCTEON_IRQ_SW0;
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+	unsigned int bit = cd->bit;
+
 	/*
 	 * We don't need to disable IRQs to make these atomic since
 	 * they are already disabled earlier in the low level
@@ -37,131 +92,121 @@ static void octeon_irq_core_ack(unsigned int irq)
 		clear_c0_cause(0x100 << bit);
 }
 
-static void octeon_irq_core_eoi(unsigned int irq)
+static void octeon_irq_core_eoi(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-	unsigned int bit = irq - OCTEON_IRQ_SW0;
-	/*
-	 * If an IRQ is being processed while we are disabling it the
-	 * handler will attempt to unmask the interrupt after it has
-	 * been disabled.
-	 */
-	if ((unlikely(desc->status & IRQ_DISABLED)))
-		return;
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+
 	/*
 	 * We don't need to disable IRQs to make these atomic since
 	 * they are already disabled earlier in the low level
 	 * interrupt code.
 	 */
-	set_c0_status(0x100 << bit);
+	set_c0_status(0x100 << cd->bit);
 }
 
-static void octeon_irq_core_enable(unsigned int irq)
+static void octeon_irq_core_set_enable_local(void *arg)
 {
-	unsigned long flags;
-	unsigned int bit = irq - OCTEON_IRQ_SW0;
+	struct irq_data *data = arg;
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+	unsigned int mask = 0x100 << cd->bit;
 
 	/*
-	 * We need to disable interrupts to make sure our updates are
-	 * atomic.
+	 * Interrupts are already disabled, so these are atomic.
 	 */
-	local_irq_save(flags);
-	set_c0_status(0x100 << bit);
-	local_irq_restore(flags);
+	if (cd->desired_en)
+		set_c0_status(mask);
+	else
+		clear_c0_status(mask);
+
 }
 
-static void octeon_irq_core_disable_local(unsigned int irq)
+static void octeon_irq_core_disable(struct irq_data *data)
 {
-	unsigned long flags;
-	unsigned int bit = irq - OCTEON_IRQ_SW0;
-	/*
-	 * We need to disable interrupts to make sure our updates are
-	 * atomic.
-	 */
-	local_irq_save(flags);
-	clear_c0_status(0x100 << bit);
-	local_irq_restore(flags);
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+	cd->desired_en = false;
 }
 
-static void octeon_irq_core_disable(unsigned int irq)
+static void octeon_irq_core_enable(struct irq_data *data)
 {
-#ifdef CONFIG_SMP
-	on_each_cpu((void (*)(void *)) octeon_irq_core_disable_local,
-		    (void *) (long) irq, 1);
-#else
-	octeon_irq_core_disable_local(irq);
-#endif
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+	cd->desired_en = true;
 }
 
-static struct irq_chip octeon_irq_chip_core = {
-	.name = "Core",
-	.enable = octeon_irq_core_enable,
-	.disable = octeon_irq_core_disable,
-	.ack = octeon_irq_core_ack,
-	.eoi = octeon_irq_core_eoi,
-};
+static void octeon_irq_core_bus_lock(struct irq_data *data)
+{
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
 
+	mutex_lock(&cd->core_irq_mutex);
+}
 
-static void octeon_irq_ciu0_ack(unsigned int irq)
+static void octeon_irq_core_bus_sync_unlock(struct irq_data *data)
 {
-	switch (irq) {
-	case OCTEON_IRQ_GMX_DRP0:
-	case OCTEON_IRQ_GMX_DRP1:
-	case OCTEON_IRQ_IPD_DRP:
-	case OCTEON_IRQ_KEY_ZERO:
-	case OCTEON_IRQ_TIMER0:
-	case OCTEON_IRQ_TIMER1:
-	case OCTEON_IRQ_TIMER2:
-	case OCTEON_IRQ_TIMER3:
-	{
-		int index = cvmx_get_core_num() * 2;
-		u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
-		/*
-		 * CIU timer type interrupts must be acknoleged by
-		 * writing a '1' bit to their sum0 bit.
-		 */
-		cvmx_write_csr(CVMX_CIU_INTX_SUM0(index), mask);
-		break;
-	}
-	default:
-		break;
+	struct octeon_core_chip_data *cd = irq_data_get_irq_chip_data(data);
+
+	if (cd->desired_en != cd->current_en) {
+		on_each_cpu(octeon_irq_core_set_enable_local, data, 1);
+
+		cd->current_en = cd->desired_en;
 	}
 
-	/*
-	 * In order to avoid any locking accessing the CIU, we
-	 * acknowledge CIU interrupts by disabling all of them.  This
-	 * way we can use a per core register and avoid any out of
-	 * core locking requirements.  This has the side affect that
-	 * CIU interrupts can't be processed recursively.
-	 *
-	 * We don't need to disable IRQs to make these atomic since
-	 * they are already disabled earlier in the low level
-	 * interrupt code.
-	 */
-	clear_c0_status(0x100 << 2);
+	mutex_unlock(&cd->core_irq_mutex);
 }
 
-static void octeon_irq_ciu0_eoi(unsigned int irq)
+static struct irq_chip octeon_irq_chip_core = {
+	.name = "Core",
+	.irq_enable = octeon_irq_core_enable,
+	.irq_disable = octeon_irq_core_disable,
+	.irq_ack = octeon_irq_core_ack,
+	.irq_eoi = octeon_irq_core_eoi,
+	.irq_bus_lock = octeon_irq_core_bus_lock,
+	.irq_bus_sync_unlock = octeon_irq_core_bus_sync_unlock,
+
+	.irq_cpu_online = octeon_irq_core_eoi,
+	.irq_cpu_offline = octeon_irq_core_ack,
+	.flags = IRQCHIP_ONOFFLINE_ENABLED,
+};
+
+static void __init octeon_irq_init_core(void)
 {
-	/*
-	 * Enable all CIU interrupts again.  We don't need to disable
-	 * IRQs to make these atomic since they are already disabled
-	 * earlier in the low level interrupt code.
-	 */
-	set_c0_status(0x100 << 2);
+	int i;
+	int irq;
+	struct octeon_core_chip_data *cd;
+
+	for (i = 0; i < MIPS_CORE_IRQ_LINES; i++) {
+		cd = &octeon_irq_core_chip_data[i];
+		cd->current_en = false;
+		cd->desired_en = false;
+		cd->bit = i;
+		mutex_init(&cd->core_irq_mutex);
+
+		irq = OCTEON_IRQ_SW0 + i;
+		switch (irq) {
+		case OCTEON_IRQ_TIMER:
+		case OCTEON_IRQ_SW0:
+		case OCTEON_IRQ_SW1:
+		case OCTEON_IRQ_5:
+		case OCTEON_IRQ_PERF:
+			irq_set_chip_data(irq, cd);
+			irq_set_chip_and_handler(irq, &octeon_irq_chip_core,
+						 handle_percpu_irq);
+			break;
+		default:
+			break;
+		}
+	}
 }
 
-static int next_coreid_for_irq(struct irq_desc *desc)
+static int next_cpu_for_irq(struct irq_data *data)
 {
 
 #ifdef CONFIG_SMP
-	int coreid;
-	int weight = cpumask_weight(desc->affinity);
+	int cpu;
+	int weight = cpumask_weight(data->affinity);
 
 	if (weight > 1) {
-		int cpu = smp_processor_id();
+		cpu = smp_processor_id();
 		for (;;) {
-			cpu = cpumask_next(cpu, desc->affinity);
+			cpu = cpumask_next(cpu, data->affinity);
 			if (cpu >= nr_cpu_ids) {
 				cpu = -1;
 				continue;
@@ -169,83 +214,175 @@ static int next_coreid_for_irq(struct irq_desc *desc)
 				break;
 			}
 		}
-		coreid = octeon_coreid_for_cpu(cpu);
 	} else if (weight == 1) {
-		coreid = octeon_coreid_for_cpu(cpumask_first(desc->affinity));
+		cpu = cpumask_first(data->affinity);
 	} else {
-		coreid = cvmx_get_core_num();
+		cpu = smp_processor_id();
 	}
-	return coreid;
+	return cpu;
 #else
-	return cvmx_get_core_num();
+	return smp_processor_id();
 #endif
 }
 
-static void octeon_irq_ciu0_enable(unsigned int irq)
+static void octeon_irq_ciu_enable(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-	int coreid = next_coreid_for_irq(desc);
+	int cpu = next_cpu_for_irq(data);
+	int coreid = octeon_coreid_for_cpu(cpu);
+	unsigned long *pen;
 	unsigned long flags;
-	uint64_t en0;
-	int bit = irq - OCTEON_IRQ_WORKQ0;	/* Bit 0-63 of EN0 */
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
 
-	raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
-	en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-	en0 |= 1ull << bit;
-	cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
-	cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		pen = &per_cpu(octeon_irq_ciu0_en_mirror, cpu);
+		set_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+		set_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	}
 }
 
-static void octeon_irq_ciu0_enable_mbox(unsigned int irq)
+static void octeon_irq_ciu_enable_local(struct irq_data *data)
 {
-	int coreid = cvmx_get_core_num();
+	unsigned long *pen;
+	unsigned long flags;
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
+
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		pen = &__get_cpu_var(octeon_irq_ciu0_en_mirror);
+		set_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		pen = &__get_cpu_var(octeon_irq_ciu1_en_mirror);
+		set_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	}
+}
+
+static void octeon_irq_ciu_disable_local(struct irq_data *data)
+{
+	unsigned long *pen;
 	unsigned long flags;
-	uint64_t en0;
-	int bit = irq - OCTEON_IRQ_WORKQ0;	/* Bit 0-63 of EN0 */
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
 
-	raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
-	en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-	en0 |= 1ull << bit;
-	cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
-	cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		pen = &__get_cpu_var(octeon_irq_ciu0_en_mirror);
+		clear_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		pen = &__get_cpu_var(octeon_irq_ciu1_en_mirror);
+		clear_bit(cd.s.bit, pen);
+		cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1), *pen);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	}
 }
 
-static void octeon_irq_ciu0_disable(unsigned int irq)
+static void octeon_irq_ciu_disable_all(struct irq_data *data)
 {
-	int bit = irq - OCTEON_IRQ_WORKQ0;	/* Bit 0-63 of EN0 */
 	unsigned long flags;
-	uint64_t en0;
+	unsigned long *pen;
 	int cpu;
-	raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
-	for_each_online_cpu(cpu) {
-		int coreid = octeon_coreid_for_cpu(cpu);
-		en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-		en0 &= ~(1ull << bit);
-		cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
+	union octeon_ciu_chip_data cd;
+
+	wmb(); /* Make sure flag changes arrive before register updates. */
+
+	cd.p = irq_data_get_irq_chip_data(data);
+
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			pen = &per_cpu(octeon_irq_ciu0_en_mirror, cpu);
+			clear_bit(cd.s.bit, pen);
+			cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), *pen);
+		}
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+			clear_bit(cd.s.bit, pen);
+			cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), *pen);
+		}
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	}
+}
+
+static void octeon_irq_ciu_enable_all(struct irq_data *data)
+{
+	unsigned long flags;
+	unsigned long *pen;
+	int cpu;
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
+
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			pen = &per_cpu(octeon_irq_ciu0_en_mirror, cpu);
+			set_bit(cd.s.bit, pen);
+			cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), *pen);
+		}
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+			set_bit(cd.s.bit, pen);
+			cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), *pen);
+		}
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
 	}
-	/*
-	 * We need to do a read after the last update to make sure all
-	 * of them are done.
-	 */
-	cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
 }
 
 /*
  * Enable the irq on the next core in the affinity set for chips that
  * have the EN*_W1{S,C} registers.
  */
-static void octeon_irq_ciu0_enable_v2(unsigned int irq)
+static void octeon_irq_ciu_enable_v2(struct irq_data *data)
 {
-	int index;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
-	struct irq_desc *desc = irq_to_desc(irq);
+	u64 mask;
+	int cpu = next_cpu_for_irq(data);
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
+	mask = 1ull << (cd.s.bit);
 
-	if ((desc->status & IRQ_DISABLED) == 0) {
-		index = next_coreid_for_irq(desc) * 2;
+	/*
+	 * Called under the desc lock, so these should never get out
+	 * of sync.
+	 */
+	if (cd.s.line == 0) {
+		int index = octeon_coreid_for_cpu(cpu) * 2;
+		set_bit(cd.s.bit, &per_cpu(octeon_irq_ciu0_en_mirror, cpu));
 		cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+	} else {
+		int index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+		set_bit(cd.s.bit, &per_cpu(octeon_irq_ciu1_en_mirror, cpu));
+		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
 	}
 }
 
@@ -253,83 +390,155 @@ static void octeon_irq_ciu0_enable_v2(unsigned int irq)
  * Enable the irq on the current CPU for chips that
  * have the EN*_W1{S,C} registers.
  */
-static void octeon_irq_ciu0_enable_mbox_v2(unsigned int irq)
+static void octeon_irq_ciu_enable_local_v2(struct irq_data *data)
+{
+	u64 mask;
+	union octeon_ciu_chip_data cd;
+
+	cd.p = irq_data_get_irq_chip_data(data);
+	mask = 1ull << (cd.s.bit);
+
+	if (cd.s.line == 0) {
+		int index = cvmx_get_core_num() * 2;
+		set_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu0_en_mirror));
+		cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+	} else {
+		int index = cvmx_get_core_num() * 2 + 1;
+		set_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu1_en_mirror));
+		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+	}
+}
+
+static void octeon_irq_ciu_disable_local_v2(struct irq_data *data)
 {
-	int index;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+	u64 mask;
+	union octeon_ciu_chip_data cd;
 
-	index = cvmx_get_core_num() * 2;
-	cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+	cd.p = irq_data_get_irq_chip_data(data);
+	mask = 1ull << (cd.s.bit);
+
+	if (cd.s.line == 0) {
+		int index = cvmx_get_core_num() * 2;
+		clear_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu0_en_mirror));
+		cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+	} else {
+		int index = cvmx_get_core_num() * 2 + 1;
+		clear_bit(cd.s.bit, &__get_cpu_var(octeon_irq_ciu1_en_mirror));
+		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+	}
 }
 
 /*
- * Disable the irq on the current core for chips that have the EN*_W1{S,C}
- * registers.
+ * Write to the W1C bit in CVMX_CIU_INTX_SUM0 to clear the irq.
  */
-static void octeon_irq_ciu0_ack_v2(unsigned int irq)
-{
-	int index = cvmx_get_core_num() * 2;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
-
-	switch (irq) {
-	case OCTEON_IRQ_GMX_DRP0:
-	case OCTEON_IRQ_GMX_DRP1:
-	case OCTEON_IRQ_IPD_DRP:
-	case OCTEON_IRQ_KEY_ZERO:
-	case OCTEON_IRQ_TIMER0:
-	case OCTEON_IRQ_TIMER1:
-	case OCTEON_IRQ_TIMER2:
-	case OCTEON_IRQ_TIMER3:
-		/*
-		 * CIU timer type interrupts must be acknoleged by
-		 * writing a '1' bit to their sum0 bit.
-		 */
+static void octeon_irq_ciu_ack(struct irq_data *data)
+{
+	u64 mask;
+	union octeon_ciu_chip_data cd;
+
+	cd.p = data->chip_data;
+	mask = 1ull << (cd.s.bit);
+
+	if (cd.s.line == 0) {
+		int index = cvmx_get_core_num() * 2;
 		cvmx_write_csr(CVMX_CIU_INTX_SUM0(index), mask);
-		break;
-	default:
-		break;
+	} else {
+		cvmx_write_csr(CVMX_CIU_INT_SUM1, mask);
 	}
-
-	cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
 }
 
 /*
- * Enable the irq on the current core for chips that have the EN*_W1{S,C}
+ * Disable the irq on the all cores for chips that have the EN*_W1{S,C}
  * registers.
  */
-static void octeon_irq_ciu0_eoi_mbox_v2(unsigned int irq)
+static void octeon_irq_ciu_disable_all_v2(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-	int index = cvmx_get_core_num() * 2;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+	int cpu;
+	u64 mask;
+	union octeon_ciu_chip_data cd;
 
-	if (likely((desc->status & IRQ_DISABLED) == 0))
-		cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+	wmb(); /* Make sure flag changes arrive before register updates. */
+
+	cd.p = data->chip_data;
+	mask = 1ull << (cd.s.bit);
+
+	if (cd.s.line == 0) {
+		for_each_online_cpu(cpu) {
+			int index = octeon_coreid_for_cpu(cpu) * 2;
+			clear_bit(cd.s.bit, &per_cpu(octeon_irq_ciu0_en_mirror, cpu));
+			cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+		}
+	} else {
+		for_each_online_cpu(cpu) {
+			int index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+			clear_bit(cd.s.bit, &per_cpu(octeon_irq_ciu1_en_mirror, cpu));
+			cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+		}
+	}
 }
 
 /*
- * Disable the irq on the all cores for chips that have the EN*_W1{S,C}
+ * Enable the irq on the all cores for chips that have the EN*_W1{S,C}
  * registers.
  */
-static void octeon_irq_ciu0_disable_all_v2(unsigned int irq)
+static void octeon_irq_ciu_enable_all_v2(struct irq_data *data)
 {
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
-	int index;
 	int cpu;
-	for_each_online_cpu(cpu) {
-		index = octeon_coreid_for_cpu(cpu) * 2;
-		cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+	u64 mask;
+	union octeon_ciu_chip_data cd;
+
+	cd.p = data->chip_data;
+	mask = 1ull << (cd.s.bit);
+
+	if (cd.s.line == 0) {
+		for_each_online_cpu(cpu) {
+			int index = octeon_coreid_for_cpu(cpu) * 2;
+			set_bit(cd.s.bit, &per_cpu(octeon_irq_ciu0_en_mirror, cpu));
+			cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+		}
+	} else {
+		for_each_online_cpu(cpu) {
+			int index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+			set_bit(cd.s.bit, &per_cpu(octeon_irq_ciu1_en_mirror, cpu));
+			cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+		}
 	}
 }
 
 #ifdef CONFIG_SMP
-static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *dest)
+
+static void octeon_irq_cpu_offline_ciu(struct irq_data *data)
+{
+	int cpu = smp_processor_id();
+	cpumask_t new_affinity;
+
+	if (!cpumask_test_cpu(cpu, data->affinity))
+		return;
+
+	if (cpumask_weight(data->affinity) > 1) {
+		/*
+		 * It has multi CPU affinity, just remove this CPU
+		 * from the affinity set.
+		 */
+		cpumask_copy(&new_affinity, data->affinity);
+		cpumask_clear_cpu(cpu, &new_affinity);
+	} else {
+		/* Otherwise, put it on lowest numbered online CPU. */
+		cpumask_clear(&new_affinity);
+		cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
+	}
+	__irq_set_affinity_locked(data, &new_affinity);
+}
+
+static int octeon_irq_ciu_set_affinity(struct irq_data *data,
+				       const struct cpumask *dest, bool force)
 {
 	int cpu;
-	struct irq_desc *desc = irq_to_desc(irq);
-	int enable_one = (desc->status & IRQ_DISABLED) == 0;
+	bool enable_one = !irqd_irq_disabled(data) && !irqd_irq_masked(data);
 	unsigned long flags;
-	int bit = irq - OCTEON_IRQ_WORKQ0;	/* Bit 0-63 of EN0 */
+	union octeon_ciu_chip_data cd;
+
+	cd.p = data->chip_data;
 
 	/*
 	 * For non-v2 CIU, we will allow only single CPU affinity.
@@ -339,26 +548,40 @@ static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *
 	if (cpumask_weight(dest) != 1)
 		return -EINVAL;
 
-	raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
-	for_each_online_cpu(cpu) {
-		int coreid = octeon_coreid_for_cpu(cpu);
-		uint64_t en0 =
-			cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
-		if (cpumask_test_cpu(cpu, dest) && enable_one) {
-			enable_one = 0;
-			en0 |= 1ull << bit;
-		} else {
-			en0 &= ~(1ull << bit);
+	if (!enable_one)
+		return 0;
+
+	if (cd.s.line == 0) {
+		raw_spin_lock_irqsave(&octeon_irq_ciu0_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			unsigned long *pen = &per_cpu(octeon_irq_ciu0_en_mirror, cpu);
+
+			if (cpumask_test_cpu(cpu, dest) && enable_one) {
+				enable_one = false;
+				set_bit(cd.s.bit, pen);
+			} else {
+				clear_bit(cd.s.bit, pen);
+			}
+			cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), *pen);
 		}
-		cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
+	} else {
+		raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
+		for_each_online_cpu(cpu) {
+			int coreid = octeon_coreid_for_cpu(cpu);
+			unsigned long *pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+
+			if (cpumask_test_cpu(cpu, dest) && enable_one) {
+				enable_one = false;
+				set_bit(cd.s.bit, pen);
+			} else {
+				clear_bit(cd.s.bit, pen);
+			}
+			cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), *pen);
+		}
+		raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
 	}
-	/*
-	 * We need to do a read after the last update to make sure all
-	 * of them are done.
-	 */
-	cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu0_lock, flags);
-
 	return 0;
 }
 
@@ -366,22 +589,46 @@ static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *
  * Set affinity for the irq for chips that have the EN*_W1{S,C}
  * registers.
  */
-static int octeon_irq_ciu0_set_affinity_v2(unsigned int irq,
-					   const struct cpumask *dest)
+static int octeon_irq_ciu_set_affinity_v2(struct irq_data *data,
+					  const struct cpumask *dest,
+					  bool force)
 {
 	int cpu;
-	int index;
-	struct irq_desc *desc = irq_to_desc(irq);
-	int enable_one = (desc->status & IRQ_DISABLED) == 0;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
-
-	for_each_online_cpu(cpu) {
-		index = octeon_coreid_for_cpu(cpu) * 2;
-		if (cpumask_test_cpu(cpu, dest) && enable_one) {
-			enable_one = 0;
-			cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
-		} else {
-			cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+	bool enable_one = !irqd_irq_disabled(data) && !irqd_irq_masked(data);
+	u64 mask;
+	union octeon_ciu_chip_data cd;
+
+	if (!enable_one)
+		return 0;
+
+	cd.p = data->chip_data;
+	mask = 1ull << cd.s.bit;
+
+	if (cd.s.line == 0) {
+		for_each_online_cpu(cpu) {
+			unsigned long *pen = &per_cpu(octeon_irq_ciu0_en_mirror, cpu);
+			int index = octeon_coreid_for_cpu(cpu) * 2;
+			if (cpumask_test_cpu(cpu, dest) && enable_one) {
+				enable_one = false;
+				set_bit(cd.s.bit, pen);
+				cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+			} else {
+				clear_bit(cd.s.bit, pen);
+				cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+			}
+		}
+	} else {
+		for_each_online_cpu(cpu) {
+			unsigned long *pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+			int index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+			if (cpumask_test_cpu(cpu, dest) && enable_one) {
+				enable_one = false;
+				set_bit(cd.s.bit, pen);
+				cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+			} else {
+				clear_bit(cd.s.bit, pen);
+				cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+			}
 		}
 	}
 	return 0;
@@ -389,80 +636,102 @@ static int octeon_irq_ciu0_set_affinity_v2(unsigned int irq,
 #endif
 
 /*
+ * The v1 CIU code already masks things, so supply a dummy version to
+ * the core chip code.
+ */
+static void octeon_irq_dummy_mask(struct irq_data *data)
+{
+}
+
+/*
  * Newer octeon chips have support for lockless CIU operation.
  */
-static struct irq_chip octeon_irq_chip_ciu0_v2 = {
-	.name = "CIU0",
-	.enable = octeon_irq_ciu0_enable_v2,
-	.disable = octeon_irq_ciu0_disable_all_v2,
-	.eoi = octeon_irq_ciu0_enable_v2,
+static struct irq_chip octeon_irq_chip_ciu_v2 = {
+	.name = "CIU",
+	.irq_enable = octeon_irq_ciu_enable_v2,
+	.irq_disable = octeon_irq_ciu_disable_all_v2,
+	.irq_mask = octeon_irq_ciu_disable_local_v2,
+	.irq_unmask = octeon_irq_ciu_enable_v2,
 #ifdef CONFIG_SMP
-	.set_affinity = octeon_irq_ciu0_set_affinity_v2,
+	.irq_set_affinity = octeon_irq_ciu_set_affinity_v2,
+	.irq_cpu_offline = octeon_irq_cpu_offline_ciu,
 #endif
 };
 
-static struct irq_chip octeon_irq_chip_ciu0 = {
-	.name = "CIU0",
-	.enable = octeon_irq_ciu0_enable,
-	.disable = octeon_irq_ciu0_disable,
-	.eoi = octeon_irq_ciu0_eoi,
+static struct irq_chip octeon_irq_chip_ciu_edge_v2 = {
+	.name = "CIU-E",
+	.irq_enable = octeon_irq_ciu_enable_v2,
+	.irq_disable = octeon_irq_ciu_disable_all_v2,
+	.irq_ack = octeon_irq_ciu_ack,
+	.irq_mask = octeon_irq_ciu_disable_local_v2,
+	.irq_unmask = octeon_irq_ciu_enable_v2,
 #ifdef CONFIG_SMP
-	.set_affinity = octeon_irq_ciu0_set_affinity,
+	.irq_set_affinity = octeon_irq_ciu_set_affinity_v2,
+	.irq_cpu_offline = octeon_irq_cpu_offline_ciu,
 #endif
 };
 
-/* The mbox versions don't do any affinity or round-robin. */
-static struct irq_chip octeon_irq_chip_ciu0_mbox_v2 = {
-	.name = "CIU0-M",
-	.enable = octeon_irq_ciu0_enable_mbox_v2,
-	.disable = octeon_irq_ciu0_disable,
-	.eoi = octeon_irq_ciu0_eoi_mbox_v2,
+static struct irq_chip octeon_irq_chip_ciu = {
+	.name = "CIU",
+	.irq_enable = octeon_irq_ciu_enable,
+	.irq_disable = octeon_irq_ciu_disable_all,
+	.irq_mask = octeon_irq_dummy_mask,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = octeon_irq_ciu_set_affinity,
+	.irq_cpu_offline = octeon_irq_cpu_offline_ciu,
+#endif
 };
 
-static struct irq_chip octeon_irq_chip_ciu0_mbox = {
-	.name = "CIU0-M",
-	.enable = octeon_irq_ciu0_enable_mbox,
-	.disable = octeon_irq_ciu0_disable,
-	.eoi = octeon_irq_ciu0_eoi,
+static struct irq_chip octeon_irq_chip_ciu_edge = {
+	.name = "CIU-E",
+	.irq_enable = octeon_irq_ciu_enable,
+	.irq_disable = octeon_irq_ciu_disable_all,
+	.irq_mask = octeon_irq_dummy_mask,
+	.irq_ack = octeon_irq_ciu_ack,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = octeon_irq_ciu_set_affinity,
+	.irq_cpu_offline = octeon_irq_cpu_offline_ciu,
+#endif
 };
 
-static void octeon_irq_ciu1_ack(unsigned int irq)
-{
-	/*
-	 * In order to avoid any locking accessing the CIU, we
-	 * acknowledge CIU interrupts by disabling all of them.  This
-	 * way we can use a per core register and avoid any out of
-	 * core locking requirements.  This has the side affect that
-	 * CIU interrupts can't be processed recursively.  We don't
-	 * need to disable IRQs to make these atomic since they are
-	 * already disabled earlier in the low level interrupt code.
-	 */
-	clear_c0_status(0x100 << 3);
-}
+/* The mbox versions don't do any affinity or round-robin. */
+static struct irq_chip octeon_irq_chip_ciu_mbox_v2 = {
+	.name = "CIU-M",
+	.irq_enable = octeon_irq_ciu_enable_all_v2,
+	.irq_disable = octeon_irq_ciu_disable_all_v2,
+	.irq_ack = octeon_irq_ciu_disable_local_v2,
+	.irq_eoi = octeon_irq_ciu_enable_local_v2,
+
+	.irq_cpu_online = octeon_irq_ciu_enable_local_v2,
+	.irq_cpu_offline = octeon_irq_ciu_disable_local_v2,
+	.flags = IRQCHIP_ONOFFLINE_ENABLED,
+};
 
-static void octeon_irq_ciu1_eoi(unsigned int irq)
-{
-	/*
-	 * Enable all CIU interrupts again.  We don't need to disable
-	 * IRQs to make these atomic since they are already disabled
-	 * earlier in the low level interrupt code.
-	 */
-	set_c0_status(0x100 << 3);
-}
+static struct irq_chip octeon_irq_chip_ciu_mbox = {
+	.name = "CIU-M",
+	.irq_enable = octeon_irq_ciu_enable_all,
+	.irq_disable = octeon_irq_ciu_disable_all,
+
+	.irq_cpu_online = octeon_irq_ciu_enable_local,
+	.irq_cpu_offline = octeon_irq_ciu_disable_local,
+	.flags = IRQCHIP_ONOFFLINE_ENABLED,
+};
 
-static void octeon_irq_ciu1_enable(unsigned int irq)
+/*
+ * Watchdog interrupts are special.  They are associated with a single
+ * core, so we hardwire the affinity to that core.
+ */
+static void octeon_irq_ciu_wd_enable(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-	int coreid = next_coreid_for_irq(desc);
 	unsigned long flags;
-	uint64_t en1;
-	int bit = irq - OCTEON_IRQ_WDOG0;	/* Bit 0-63 of EN1 */
+	unsigned long *pen;
+	int coreid = data->irq - OCTEON_IRQ_WDOG0;	/* Bit 0-63 of EN1 */
+	int cpu = octeon_cpu_for_coreid(coreid);
 
 	raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
-	en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
-	en1 |= 1ull << bit;
-	cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
-	cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
+	pen = &per_cpu(octeon_irq_ciu1_en_mirror, cpu);
+	set_bit(coreid, pen);
+	cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), *pen);
 	raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
 }
 
@@ -470,286 +739,281 @@ static void octeon_irq_ciu1_enable(unsigned int irq)
  * Watchdog interrupts are special.  They are associated with a single
  * core, so we hardwire the affinity to that core.
  */
-static void octeon_irq_ciu1_wd_enable(unsigned int irq)
+static void octeon_irq_ciu1_wd_enable_v2(struct irq_data *data)
 {
-	unsigned long flags;
-	uint64_t en1;
-	int bit = irq - OCTEON_IRQ_WDOG0;	/* Bit 0-63 of EN1 */
-	int coreid = bit;
+	int coreid = data->irq - OCTEON_IRQ_WDOG0;
+	int cpu = octeon_cpu_for_coreid(coreid);
 
-	raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
-	en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
-	en1 |= 1ull << bit;
-	cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
-	cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	set_bit(coreid, &per_cpu(octeon_irq_ciu1_en_mirror, cpu));
+	cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(coreid * 2 + 1), 1ull << coreid);
 }
 
-static void octeon_irq_ciu1_disable(unsigned int irq)
+
+static struct irq_chip octeon_irq_chip_ciu_wd_v2 = {
+	.name = "CIU-W",
+	.irq_enable = octeon_irq_ciu1_wd_enable_v2,
+	.irq_disable = octeon_irq_ciu_disable_all_v2,
+	.irq_mask = octeon_irq_ciu_disable_local_v2,
+	.irq_unmask = octeon_irq_ciu_enable_local_v2,
+};
+
+static struct irq_chip octeon_irq_chip_ciu_wd = {
+	.name = "CIU-W",
+	.irq_enable = octeon_irq_ciu_wd_enable,
+	.irq_disable = octeon_irq_ciu_disable_all,
+	.irq_mask = octeon_irq_dummy_mask,
+};
+
+static void octeon_irq_ip2_v1(void)
 {
-	int bit = irq - OCTEON_IRQ_WDOG0;	/* Bit 0-63 of EN1 */
-	unsigned long flags;
-	uint64_t en1;
-	int cpu;
-	raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
-	for_each_online_cpu(cpu) {
-		int coreid = octeon_coreid_for_cpu(cpu);
-		en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
-		en1 &= ~(1ull << bit);
-		cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
+	const unsigned long core_id = cvmx_get_core_num();
+	u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INTX_SUM0(core_id * 2));
+
+	ciu_sum &= __get_cpu_var(octeon_irq_ciu0_en_mirror);
+	clear_c0_status(STATUSF_IP2);
+	if (likely(ciu_sum)) {
+		int bit = fls64(ciu_sum) - 1;
+		int irq = octeon_irq_ciu_to_irq[0][bit];
+		if (likely(irq))
+			do_IRQ(irq);
+		else
+			spurious_interrupt();
+	} else {
+		spurious_interrupt();
 	}
-	/*
-	 * We need to do a read after the last update to make sure all
-	 * of them are done.
-	 */
-	cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
+	set_c0_status(STATUSF_IP2);
 }
 
-/*
- * Enable the irq on the current core for chips that have the EN*_W1{S,C}
- * registers.
- */
-static void octeon_irq_ciu1_enable_v2(unsigned int irq)
+static void octeon_irq_ip2_v2(void)
 {
-	int index;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	if ((desc->status & IRQ_DISABLED) == 0) {
-		index = next_coreid_for_irq(desc) * 2 + 1;
-		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+	const unsigned long core_id = cvmx_get_core_num();
+	u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INTX_SUM0(core_id * 2));
+
+	ciu_sum &= __get_cpu_var(octeon_irq_ciu0_en_mirror);
+	if (likely(ciu_sum)) {
+		int bit = fls64(ciu_sum) - 1;
+		int irq = octeon_irq_ciu_to_irq[0][bit];
+		if (likely(irq))
+			do_IRQ(irq);
+		else
+			spurious_interrupt();
+	} else {
+		spurious_interrupt();
 	}
 }
-
-/*
- * Watchdog interrupts are special.  They are associated with a single
- * core, so we hardwire the affinity to that core.
- */
-static void octeon_irq_ciu1_wd_enable_v2(unsigned int irq)
+static void octeon_irq_ip3_v1(void)
 {
-	int index;
-	int coreid = irq - OCTEON_IRQ_WDOG0;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	if ((desc->status & IRQ_DISABLED) == 0) {
-		index = coreid * 2 + 1;
-		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+	u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INT_SUM1);
+
+	ciu_sum &= __get_cpu_var(octeon_irq_ciu1_en_mirror);
+	clear_c0_status(STATUSF_IP3);
+	if (likely(ciu_sum)) {
+		int bit = fls64(ciu_sum) - 1;
+		int irq = octeon_irq_ciu_to_irq[1][bit];
+		if (likely(irq))
+			do_IRQ(irq);
+		else
+			spurious_interrupt();
+	} else {
+		spurious_interrupt();
 	}
+	set_c0_status(STATUSF_IP3);
 }
 
-/*
- * Disable the irq on the current core for chips that have the EN*_W1{S,C}
- * registers.
- */
-static void octeon_irq_ciu1_ack_v2(unsigned int irq)
+static void octeon_irq_ip3_v2(void)
 {
-	int index = cvmx_get_core_num() * 2 + 1;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
-
-	cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+	u64 ciu_sum = cvmx_read_csr(CVMX_CIU_INT_SUM1);
+
+	ciu_sum &= __get_cpu_var(octeon_irq_ciu1_en_mirror);
+	if (likely(ciu_sum)) {
+		int bit = fls64(ciu_sum) - 1;
+		int irq = octeon_irq_ciu_to_irq[1][bit];
+		if (likely(irq))
+			do_IRQ(irq);
+		else
+			spurious_interrupt();
+	} else {
+		spurious_interrupt();
+	}
 }
 
-/*
- * Disable the irq on the all cores for chips that have the EN*_W1{S,C}
- * registers.
- */
-static void octeon_irq_ciu1_disable_all_v2(unsigned int irq)
+static void octeon_irq_ip4_mask(void)
 {
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
-	int index;
-	int cpu;
-	for_each_online_cpu(cpu) {
-		index = octeon_coreid_for_cpu(cpu) * 2 + 1;
-		cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
-	}
+	clear_c0_status(STATUSF_IP4);
+	spurious_interrupt();
 }
 
-#ifdef CONFIG_SMP
-static int octeon_irq_ciu1_set_affinity(unsigned int irq,
-					const struct cpumask *dest)
-{
-	int cpu;
-	struct irq_desc *desc = irq_to_desc(irq);
-	int enable_one = (desc->status & IRQ_DISABLED) == 0;
-	unsigned long flags;
-	int bit = irq - OCTEON_IRQ_WDOG0;	/* Bit 0-63 of EN1 */
+static void (*octeon_irq_ip2)(void);
+static void (*octeon_irq_ip3)(void);
+static void (*octeon_irq_ip4)(void);
 
-	/*
-	 * For non-v2 CIU, we will allow only single CPU affinity.
-	 * This removes the need to do locking in the .ack/.eoi
-	 * functions.
-	 */
-	if (cpumask_weight(dest) != 1)
-		return -EINVAL;
+void __cpuinitdata (*octeon_irq_setup_secondary)(void);
 
-	raw_spin_lock_irqsave(&octeon_irq_ciu1_lock, flags);
-	for_each_online_cpu(cpu) {
-		int coreid = octeon_coreid_for_cpu(cpu);
-		uint64_t en1 =
-			cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
-		if (cpumask_test_cpu(cpu, dest) && enable_one) {
-			enable_one = 0;
-			en1 |= 1ull << bit;
-		} else {
-			en1 &= ~(1ull << bit);
-		}
-		cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
-	}
+static void __cpuinit octeon_irq_percpu_enable(void)
+{
+	irq_cpu_online();
+}
+
+static void __cpuinit octeon_irq_init_ciu_percpu(void)
+{
+	int coreid = cvmx_get_core_num();
 	/*
-	 * We need to do a read after the last update to make sure all
-	 * of them are done.
+	 * Disable All CIU Interrupts. The ones we need will be
+	 * enabled later.  Read the SUM register so we know the write
+	 * completed.
 	 */
-	cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1));
-	raw_spin_unlock_irqrestore(&octeon_irq_ciu1_lock, flags);
-
-	return 0;
+	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2)), 0);
+	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2 + 1)), 0);
+	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2)), 0);
+	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2 + 1)), 0);
+	cvmx_read_csr(CVMX_CIU_INTX_SUM0((coreid * 2)));
 }
 
-/*
- * Set affinity for the irq for chips that have the EN*_W1{S,C}
- * registers.
- */
-static int octeon_irq_ciu1_set_affinity_v2(unsigned int irq,
-					   const struct cpumask *dest)
+static void __cpuinit octeon_irq_setup_secondary_ciu(void)
 {
-	int cpu;
-	int index;
-	struct irq_desc *desc = irq_to_desc(irq);
-	int enable_one = (desc->status & IRQ_DISABLED) == 0;
-	u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
-	for_each_online_cpu(cpu) {
-		index = octeon_coreid_for_cpu(cpu) * 2 + 1;
-		if (cpumask_test_cpu(cpu, dest) && enable_one) {
-			enable_one = 0;
-			cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
-		} else {
-			cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
-		}
-	}
-	return 0;
-}
-#endif
 
-/*
- * Newer octeon chips have support for lockless CIU operation.
- */
-static struct irq_chip octeon_irq_chip_ciu1_v2 = {
-	.name = "CIU1",
-	.enable = octeon_irq_ciu1_enable_v2,
-	.disable = octeon_irq_ciu1_disable_all_v2,
-	.eoi = octeon_irq_ciu1_enable_v2,
-#ifdef CONFIG_SMP
-	.set_affinity = octeon_irq_ciu1_set_affinity_v2,
-#endif
-};
+	__get_cpu_var(octeon_irq_ciu0_en_mirror) = 0;
+	__get_cpu_var(octeon_irq_ciu1_en_mirror) = 0;
 
-static struct irq_chip octeon_irq_chip_ciu1 = {
-	.name = "CIU1",
-	.enable = octeon_irq_ciu1_enable,
-	.disable = octeon_irq_ciu1_disable,
-	.eoi = octeon_irq_ciu1_eoi,
-#ifdef CONFIG_SMP
-	.set_affinity = octeon_irq_ciu1_set_affinity,
-#endif
-};
+	octeon_irq_init_ciu_percpu();
+	octeon_irq_percpu_enable();
 
-static struct irq_chip octeon_irq_chip_ciu1_wd_v2 = {
-	.name = "CIU1-W",
-	.enable = octeon_irq_ciu1_wd_enable_v2,
-	.disable = octeon_irq_ciu1_disable_all_v2,
-	.eoi = octeon_irq_ciu1_wd_enable_v2,
-};
+	/* Enable the CIU lines */
+	set_c0_status(STATUSF_IP3 | STATUSF_IP2);
+	clear_c0_status(STATUSF_IP4);
+}
 
-static struct irq_chip octeon_irq_chip_ciu1_wd = {
-	.name = "CIU1-W",
-	.enable = octeon_irq_ciu1_wd_enable,
-	.disable = octeon_irq_ciu1_disable,
-	.eoi = octeon_irq_ciu1_eoi,
-};
+static void __init octeon_irq_init_ciu(void)
+{
+	unsigned int i;
+	struct irq_chip *chip;
+	struct irq_chip *chip_edge;
+	struct irq_chip *chip_mbox;
+	struct irq_chip *chip_wd;
+
+	octeon_irq_init_ciu_percpu();
+	octeon_irq_setup_secondary = octeon_irq_setup_secondary_ciu;
 
-static void (*octeon_ciu0_ack)(unsigned int);
-static void (*octeon_ciu1_ack)(unsigned int);
+	if (OCTEON_IS_MODEL(OCTEON_CN58XX_PASS2_X) ||
+	    OCTEON_IS_MODEL(OCTEON_CN56XX_PASS2_X) ||
+	    OCTEON_IS_MODEL(OCTEON_CN52XX_PASS2_X) ||
+	    OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
+		octeon_irq_ip2 = octeon_irq_ip2_v2;
+		octeon_irq_ip3 = octeon_irq_ip3_v2;
+		chip = &octeon_irq_chip_ciu_v2;
+		chip_edge = &octeon_irq_chip_ciu_edge_v2;
+		chip_mbox = &octeon_irq_chip_ciu_mbox_v2;
+		chip_wd = &octeon_irq_chip_ciu_wd_v2;
+	} else {
+		octeon_irq_ip2 = octeon_irq_ip2_v1;
+		octeon_irq_ip3 = octeon_irq_ip3_v1;
+		chip = &octeon_irq_chip_ciu;
+		chip_edge = &octeon_irq_chip_ciu_edge;
+		chip_mbox = &octeon_irq_chip_ciu_mbox;
+		chip_wd = &octeon_irq_chip_ciu_wd;
+	}
+	octeon_irq_ip4 = octeon_irq_ip4_mask;
+
+	/* Mips internal */
+	octeon_irq_init_core();
+
+	/* CIU_0 */
+	for (i = 0; i < 16; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WORKQ0, 0, i + 0, chip, handle_level_irq);
+	for (i = 0; i < 16; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GPIO0, 0, i + 16, chip, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX0, 0, 32, chip_mbox, handle_percpu_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX1, 0, 33, chip_mbox, handle_percpu_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART0, 0, 34, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART1, 0, 35, chip, handle_level_irq);
+
+	for (i = 0; i < 4; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_INT0, 0, i + 36, chip, handle_level_irq);
+	for (i = 0; i < 4; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_MSI0, 0, i + 40, chip, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI, 0, 45, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_RML, 0, 46, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_TRACE0, 0, 47, chip, handle_level_irq);
+
+	for (i = 0; i < 2; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GMX_DRP0, 0, i + 48, chip_edge, handle_edge_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD_DRP, 0, 50, chip_edge, handle_edge_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY_ZERO, 0, 51, chip_edge, handle_edge_irq);
+
+	for (i = 0; i < 4; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_TIMER0, 0, i + 52, chip_edge, handle_edge_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB0, 0, 56, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PCM, 0, 57, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MPI, 0, 58, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI2, 0, 59, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_POWIQ, 0, 60, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPDPPTHR, 0, 61, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII0, 0, 62, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_BOOTDMA, 0, 63, chip, handle_level_irq);
+
+	/* CIU_1 */
+	for (i = 0; i < 16; i++)
+		octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WDOG0, 1, i + 0, chip_wd, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART2, 1, 16, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB1, 1, 17, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII1, 1, 18, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_NAND, 1, 19, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_MIO, 1, 20, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_IOB, 1, 21, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_FPA, 1, 22, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_POW, 1, 23, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_L2C, 1, 24, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD, 1, 25, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PIP, 1, 26, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PKO, 1, 27, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_ZIP, 1, 28, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_TIM, 1, 29, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_RAD, 1, 30, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY, 1, 31, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFA, 1, 32, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_USBCTL, 1, 33, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_SLI, 1, 34, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_DPI, 1, 35, chip, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGX0, 1, 36, chip, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGL, 1, 46, chip, handle_level_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PTP, 1, 47, chip_edge, handle_edge_irq);
+
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM0, 1, 48, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM1, 1, 49, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO0, 1, 50, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO1, 1, 51, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_LMC0, 1, 52, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFM, 1, 56, chip, handle_level_irq);
+	octeon_irq_set_ciu_mapping(OCTEON_IRQ_RST, 1, 63, chip, handle_level_irq);
+
+	/* Enable the CIU lines */
+	set_c0_status(STATUSF_IP3 | STATUSF_IP2);
+	clear_c0_status(STATUSF_IP4);
+}
 
 void __init arch_init_irq(void)
 {
-	unsigned int irq;
-	struct irq_chip *chip0;
-	struct irq_chip *chip0_mbox;
-	struct irq_chip *chip1;
-	struct irq_chip *chip1_wd;
-
 #ifdef CONFIG_SMP
 	/* Set the default affinity to the boot cpu. */
 	cpumask_clear(irq_default_affinity);
 	cpumask_set_cpu(smp_processor_id(), irq_default_affinity);
 #endif
-
-	if (NR_IRQS < OCTEON_IRQ_LAST)
-		pr_err("octeon_irq_init: NR_IRQS is set too low\n");
-
-	if (OCTEON_IS_MODEL(OCTEON_CN58XX_PASS2_X) ||
-	    OCTEON_IS_MODEL(OCTEON_CN56XX_PASS2_X) ||
-	    OCTEON_IS_MODEL(OCTEON_CN52XX_PASS2_X)) {
-		octeon_ciu0_ack = octeon_irq_ciu0_ack_v2;
-		octeon_ciu1_ack = octeon_irq_ciu1_ack_v2;
-		chip0 = &octeon_irq_chip_ciu0_v2;
-		chip0_mbox = &octeon_irq_chip_ciu0_mbox_v2;
-		chip1 = &octeon_irq_chip_ciu1_v2;
-		chip1_wd = &octeon_irq_chip_ciu1_wd_v2;
-	} else {
-		octeon_ciu0_ack = octeon_irq_ciu0_ack;
-		octeon_ciu1_ack = octeon_irq_ciu1_ack;
-		chip0 = &octeon_irq_chip_ciu0;
-		chip0_mbox = &octeon_irq_chip_ciu0_mbox;
-		chip1 = &octeon_irq_chip_ciu1;
-		chip1_wd = &octeon_irq_chip_ciu1_wd;
-	}
-
-	/* 0 - 15 reserved for i8259 master and slave controller. */
-
-	/* 17 - 23 Mips internal */
-	for (irq = OCTEON_IRQ_SW0; irq <= OCTEON_IRQ_TIMER; irq++) {
-		set_irq_chip_and_handler(irq, &octeon_irq_chip_core,
-					 handle_percpu_irq);
-	}
-
-	/* 24 - 87 CIU_INT_SUM0 */
-	for (irq = OCTEON_IRQ_WORKQ0; irq <= OCTEON_IRQ_BOOTDMA; irq++) {
-		switch (irq) {
-		case OCTEON_IRQ_MBOX0:
-		case OCTEON_IRQ_MBOX1:
-			set_irq_chip_and_handler(irq, chip0_mbox, handle_percpu_irq);
-			break;
-		default:
-			set_irq_chip_and_handler(irq, chip0, handle_fasteoi_irq);
-			break;
-		}
-	}
-
-	/* 88 - 151 CIU_INT_SUM1 */
-	for (irq = OCTEON_IRQ_WDOG0; irq <= OCTEON_IRQ_WDOG15; irq++)
-		set_irq_chip_and_handler(irq, chip1_wd, handle_fasteoi_irq);
-
-	for (irq = OCTEON_IRQ_UART2; irq <= OCTEON_IRQ_RESERVED151; irq++)
-		set_irq_chip_and_handler(irq, chip1, handle_fasteoi_irq);
-
-	set_c0_status(0x300 << 2);
+	octeon_irq_init_ciu();
 }
 
 asmlinkage void plat_irq_dispatch(void)
 {
-	const unsigned long core_id = cvmx_get_core_num();
-	const uint64_t ciu_sum0_address = CVMX_CIU_INTX_SUM0(core_id * 2);
-	const uint64_t ciu_en0_address = CVMX_CIU_INTX_EN0(core_id * 2);
-	const uint64_t ciu_sum1_address = CVMX_CIU_INT_SUM1;
-	const uint64_t ciu_en1_address = CVMX_CIU_INTX_EN1(core_id * 2 + 1);
 	unsigned long cop0_cause;
 	unsigned long cop0_status;
-	uint64_t ciu_en;
-	uint64_t ciu_sum;
-	unsigned int irq;
 
 	while (1) {
 		cop0_cause = read_c0_cause();
@@ -757,33 +1021,16 @@ asmlinkage void plat_irq_dispatch(void)
 		cop0_cause &= cop0_status;
 		cop0_cause &= ST0_IM;
 
-		if (unlikely(cop0_cause & STATUSF_IP2)) {
-			ciu_sum = cvmx_read_csr(ciu_sum0_address);
-			ciu_en = cvmx_read_csr(ciu_en0_address);
-			ciu_sum &= ciu_en;
-			if (likely(ciu_sum)) {
-				irq = fls64(ciu_sum) + OCTEON_IRQ_WORKQ0 - 1;
-				octeon_ciu0_ack(irq);
-				do_IRQ(irq);
-			} else {
-				spurious_interrupt();
-			}
-		} else if (unlikely(cop0_cause & STATUSF_IP3)) {
-			ciu_sum = cvmx_read_csr(ciu_sum1_address);
-			ciu_en = cvmx_read_csr(ciu_en1_address);
-			ciu_sum &= ciu_en;
-			if (likely(ciu_sum)) {
-				irq = fls64(ciu_sum) + OCTEON_IRQ_WDOG0 - 1;
-				octeon_ciu1_ack(irq);
-				do_IRQ(irq);
-			} else {
-				spurious_interrupt();
-			}
-		} else if (likely(cop0_cause)) {
+		if (unlikely(cop0_cause & STATUSF_IP2))
+			octeon_irq_ip2();
+		else if (unlikely(cop0_cause & STATUSF_IP3))
+			octeon_irq_ip3();
+		else if (unlikely(cop0_cause & STATUSF_IP4))
+			octeon_irq_ip4();
+		else if (likely(cop0_cause))
 			do_IRQ(fls(cop0_cause) - 9 + MIPS_CPU_IRQ_BASE);
-		} else {
+		else
 			break;
-		}
 	}
 }
 
@@ -791,83 +1038,7 @@ asmlinkage void plat_irq_dispatch(void)
 
 void fixup_irqs(void)
 {
-	int irq;
-	struct irq_desc *desc;
-	cpumask_t new_affinity;
-	unsigned long flags;
-	int do_set_affinity;
-	int cpu;
-
-	cpu = smp_processor_id();
-
-	for (irq = OCTEON_IRQ_SW0; irq <= OCTEON_IRQ_TIMER; irq++)
-		octeon_irq_core_disable_local(irq);
-
-	for (irq = OCTEON_IRQ_WORKQ0; irq < OCTEON_IRQ_LAST; irq++) {
-		desc = irq_to_desc(irq);
-		switch (irq) {
-		case OCTEON_IRQ_MBOX0:
-		case OCTEON_IRQ_MBOX1:
-			/* The eoi function will disable them on this CPU. */
-			desc->chip->eoi(irq);
-			break;
-		case OCTEON_IRQ_WDOG0:
-		case OCTEON_IRQ_WDOG1:
-		case OCTEON_IRQ_WDOG2:
-		case OCTEON_IRQ_WDOG3:
-		case OCTEON_IRQ_WDOG4:
-		case OCTEON_IRQ_WDOG5:
-		case OCTEON_IRQ_WDOG6:
-		case OCTEON_IRQ_WDOG7:
-		case OCTEON_IRQ_WDOG8:
-		case OCTEON_IRQ_WDOG9:
-		case OCTEON_IRQ_WDOG10:
-		case OCTEON_IRQ_WDOG11:
-		case OCTEON_IRQ_WDOG12:
-		case OCTEON_IRQ_WDOG13:
-		case OCTEON_IRQ_WDOG14:
-		case OCTEON_IRQ_WDOG15:
-			/*
-			 * These have special per CPU semantics and
-			 * are handled in the watchdog driver.
-			 */
-			break;
-		default:
-			raw_spin_lock_irqsave(&desc->lock, flags);
-			/*
-			 * If this irq has an action, it is in use and
-			 * must be migrated if it has affinity to this
-			 * cpu.
-			 */
-			if (desc->action && cpumask_test_cpu(cpu, desc->affinity)) {
-				if (cpumask_weight(desc->affinity) > 1) {
-					/*
-					 * It has multi CPU affinity,
-					 * just remove this CPU from
-					 * the affinity set.
-					 */
-					cpumask_copy(&new_affinity, desc->affinity);
-					cpumask_clear_cpu(cpu, &new_affinity);
-				} else {
-					/*
-					 * Otherwise, put it on lowest
-					 * numbered online CPU.
-					 */
-					cpumask_clear(&new_affinity);
-					cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
-				}
-				do_set_affinity = 1;
-			} else {
-				do_set_affinity = 0;
-			}
-			raw_spin_unlock_irqrestore(&desc->lock, flags);
-
-			if (do_set_affinity)
-				irq_set_affinity(irq, &new_affinity);
-
-			break;
-		}
-	}
+	irq_cpu_offline();
 }
 
 #endif /* CONFIG_HOTPLUG_CPU */
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index cecaf62aef32..cd61d7281d91 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -75,7 +75,7 @@ static int __init octeon_cf_device_init(void)
 		 * zero.
 		 */
 
-		/* Asume that CS1 immediately follows. */
+		/* Assume that CS1 immediately follows. */
 		mio_boot_reg_cfg.u64 =
 			cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(i + 1));
 		region_base = mio_boot_reg_cfg.s.base << 16;
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index b0c3686c96dd..0707fae3f0ee 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -420,7 +420,6 @@ void octeon_user_io_init(void)
 void __init prom_init(void)
 {
 	struct cvmx_sysinfo *sysinfo;
-	const int coreid = cvmx_get_core_num();
 	int i;
 	int argc;
 #ifdef CONFIG_CAVIUM_RESERVE32
@@ -537,17 +536,6 @@ void __init prom_init(void)
 
 	octeon_uart = octeon_get_boot_uart();
 
-	/*
-	 * Disable All CIU Interrupts. The ones we need will be
-	 * enabled later.  Read the SUM register so we know the write
-	 * completed.
-	 */
-	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2)), 0);
-	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2 + 1)), 0);
-	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2)), 0);
-	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2 + 1)), 0);
-	cvmx_read_csr(CVMX_CIU_INTX_SUM0((coreid * 2)));
-
 #ifdef CONFIG_SMP
 	octeon_write_lcd("LinuxSMP");
 #else
@@ -674,7 +662,7 @@ void __init plat_mem_setup(void)
 	 * some memory vectors. When SPARSEMEM is in use, it doesn't
 	 * verify that the size is big enough for the final
 	 * vectors. Making the smallest chuck 4MB seems to be enough
-	 * to consistantly work.
+	 * to consistently work.
 	 */
 	mem_alloc_size = 4 << 20;
 	if (mem_alloc_size > MAX_MEMORY)
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 391cefe556b3..ba78b21cc8d0 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -171,41 +171,19 @@ static void octeon_boot_secondary(int cpu, struct task_struct *idle)
  * After we've done initial boot, this function is called to allow the
  * board code to clean up state, if needed
  */
-static void octeon_init_secondary(void)
+static void __cpuinit octeon_init_secondary(void)
 {
-	const int coreid = cvmx_get_core_num();
-	union cvmx_ciu_intx_sum0 interrupt_enable;
 	unsigned int sr;
 
-#ifdef CONFIG_HOTPLUG_CPU
-	struct linux_app_boot_info *labi;
-
-	labi = (struct linux_app_boot_info *)PHYS_TO_XKSEG_CACHED(LABI_ADDR_IN_BOOTLOADER);
-
-	if (labi->labi_signature != LABI_SIGNATURE)
-		panic("The bootloader version on this board is incorrect.");
-#endif
-
 	sr = set_c0_status(ST0_BEV);
 	write_c0_ebase((u32)ebase);
 	write_c0_status(sr);
 
 	octeon_check_cpu_bist();
 	octeon_init_cvmcount();
-	/*
-	pr_info("SMP: CPU%d (CoreId %lu) started\n", cpu, coreid);
-	*/
-	/* Enable Mailbox interrupts to this core. These are the only
-	   interrupts allowed on line 3 */
-	cvmx_write_csr(CVMX_CIU_MBOX_CLRX(coreid), 0xffffffff);
-	interrupt_enable.u64 = 0;
-	interrupt_enable.s.mbox = 0x3;
-	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2)), interrupt_enable.u64);
-	cvmx_write_csr(CVMX_CIU_INTX_EN0((coreid * 2 + 1)), 0);
-	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2)), 0);
-	cvmx_write_csr(CVMX_CIU_INTX_EN1((coreid * 2 + 1)), 0);
-	/* Enable core interrupt processing for 2,3 and 7 */
-	set_c0_status(0x8c01);
+
+	octeon_irq_setup_secondary();
+	raw_local_irq_enable();
 }
 
 /**
@@ -214,6 +192,15 @@ static void octeon_init_secondary(void)
  */
 void octeon_prepare_cpus(unsigned int max_cpus)
 {
+#ifdef CONFIG_HOTPLUG_CPU
+	struct linux_app_boot_info *labi;
+
+	labi = (struct linux_app_boot_info *)PHYS_TO_XKSEG_CACHED(LABI_ADDR_IN_BOOTLOADER);
+
+	if (labi->labi_signature != LABI_SIGNATURE)
+		panic("The bootloader version on this board is incorrect.");
+#endif
+
 	cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffffffff);
 	if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
 			"mailbox0", mailbox_interrupt)) {
diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c
index cb41954fc321..824e08c73798 100644
--- a/arch/mips/dec/ioasic-irq.c
+++ b/arch/mips/dec/ioasic-irq.c
@@ -17,80 +17,48 @@
 #include <asm/dec/ioasic_addrs.h>
 #include <asm/dec/ioasic_ints.h>
 
-
 static int ioasic_irq_base;
 
-
-static inline void unmask_ioasic_irq(unsigned int irq)
+static void unmask_ioasic_irq(struct irq_data *d)
 {
 	u32 simr;
 
 	simr = ioasic_read(IO_REG_SIMR);
-	simr |= (1 << (irq - ioasic_irq_base));
+	simr |= (1 << (d->irq - ioasic_irq_base));
 	ioasic_write(IO_REG_SIMR, simr);
 }
 
-static inline void mask_ioasic_irq(unsigned int irq)
+static void mask_ioasic_irq(struct irq_data *d)
 {
 	u32 simr;
 
 	simr = ioasic_read(IO_REG_SIMR);
-	simr &= ~(1 << (irq - ioasic_irq_base));
+	simr &= ~(1 << (d->irq - ioasic_irq_base));
 	ioasic_write(IO_REG_SIMR, simr);
 }
 
-static inline void clear_ioasic_irq(unsigned int irq)
+static void ack_ioasic_irq(struct irq_data *d)
 {
-	u32 sir;
-
-	sir = ~(1 << (irq - ioasic_irq_base));
-	ioasic_write(IO_REG_SIR, sir);
-}
-
-static inline void ack_ioasic_irq(unsigned int irq)
-{
-	mask_ioasic_irq(irq);
+	mask_ioasic_irq(d);
 	fast_iob();
 }
 
-static inline void end_ioasic_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		unmask_ioasic_irq(irq);
-}
-
 static struct irq_chip ioasic_irq_type = {
 	.name = "IO-ASIC",
-	.ack = ack_ioasic_irq,
-	.mask = mask_ioasic_irq,
-	.mask_ack = ack_ioasic_irq,
-	.unmask = unmask_ioasic_irq,
+	.irq_ack = ack_ioasic_irq,
+	.irq_mask = mask_ioasic_irq,
+	.irq_mask_ack = ack_ioasic_irq,
+	.irq_unmask = unmask_ioasic_irq,
 };
 
-
-#define unmask_ioasic_dma_irq unmask_ioasic_irq
-
-#define mask_ioasic_dma_irq mask_ioasic_irq
-
-#define ack_ioasic_dma_irq ack_ioasic_irq
-
-static inline void end_ioasic_dma_irq(unsigned int irq)
-{
-	clear_ioasic_irq(irq);
-	fast_iob();
-	end_ioasic_irq(irq);
-}
-
 static struct irq_chip ioasic_dma_irq_type = {
 	.name = "IO-ASIC-DMA",
-	.ack = ack_ioasic_dma_irq,
-	.mask = mask_ioasic_dma_irq,
-	.mask_ack = ack_ioasic_dma_irq,
-	.unmask = unmask_ioasic_dma_irq,
-	.end = end_ioasic_dma_irq,
+	.irq_ack = ack_ioasic_irq,
+	.irq_mask = mask_ioasic_irq,
+	.irq_mask_ack = ack_ioasic_irq,
+	.irq_unmask = unmask_ioasic_irq,
 };
 
-
 void __init init_ioasic_irqs(int base)
 {
 	int i;
@@ -100,10 +68,10 @@ void __init init_ioasic_irqs(int base)
 	fast_iob();
 
 	for (i = base; i < base + IO_INR_DMA; i++)
-		set_irq_chip_and_handler(i, &ioasic_irq_type,
+		irq_set_chip_and_handler(i, &ioasic_irq_type,
 					 handle_level_irq);
 	for (; i < base + IO_IRQ_LINES; i++)
-		set_irq_chip(i, &ioasic_dma_irq_type);
+		irq_set_chip(i, &ioasic_dma_irq_type);
 
 	ioasic_irq_base = base;
 }
diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c
index ed90a8deabcc..37199f742c45 100644
--- a/arch/mips/dec/kn02-irq.c
+++ b/arch/mips/dec/kn02-irq.c
@@ -27,43 +27,40 @@
  */
 u32 cached_kn02_csr;
 
-
 static int kn02_irq_base;
 
-
-static inline void unmask_kn02_irq(unsigned int irq)
+static void unmask_kn02_irq(struct irq_data *d)
 {
 	volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
 						       KN02_CSR);
 
-	cached_kn02_csr |= (1 << (irq - kn02_irq_base + 16));
+	cached_kn02_csr |= (1 << (d->irq - kn02_irq_base + 16));
 	*csr = cached_kn02_csr;
 }
 
-static inline void mask_kn02_irq(unsigned int irq)
+static void mask_kn02_irq(struct irq_data *d)
 {
 	volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
 						       KN02_CSR);
 
-	cached_kn02_csr &= ~(1 << (irq - kn02_irq_base + 16));
+	cached_kn02_csr &= ~(1 << (d->irq - kn02_irq_base + 16));
 	*csr = cached_kn02_csr;
 }
 
-static void ack_kn02_irq(unsigned int irq)
+static void ack_kn02_irq(struct irq_data *d)
 {
-	mask_kn02_irq(irq);
+	mask_kn02_irq(d);
 	iob();
 }
 
 static struct irq_chip kn02_irq_type = {
 	.name = "KN02-CSR",
-	.ack = ack_kn02_irq,
-	.mask = mask_kn02_irq,
-	.mask_ack = ack_kn02_irq,
-	.unmask = unmask_kn02_irq,
+	.irq_ack = ack_kn02_irq,
+	.irq_mask = mask_kn02_irq,
+	.irq_mask_ack = ack_kn02_irq,
+	.irq_unmask = unmask_kn02_irq,
 };
 
-
 void __init init_kn02_irqs(int base)
 {
 	volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
@@ -76,7 +73,7 @@ void __init init_kn02_irqs(int base)
 	iob();
 
 	for (i = base; i < base + KN02_IRQ_LINES; i++)
-		set_irq_chip_and_handler(i, &kn02_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &kn02_irq_type, handle_level_irq);
 
 	kn02_irq_base = base;
 }
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 3a96799eb65f..3dbd7a5a6ad3 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -34,13 +34,10 @@
 
 #include <asm/emma/emma2rh.h>
 
-static void emma2rh_irq_enable(unsigned int irq)
+static void emma2rh_irq_enable(struct irq_data *d)
 {
-	u32 reg_value;
-	u32 reg_bitmask;
-	u32 reg_index;
-
-	irq -= EMMA2RH_IRQ_BASE;
+	unsigned int irq = d->irq - EMMA2RH_IRQ_BASE;
+	u32 reg_value, reg_bitmask, reg_index;
 
 	reg_index = EMMA2RH_BHIF_INT_EN_0 +
 		    (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32);
@@ -49,13 +46,10 @@ static void emma2rh_irq_enable(unsigned int irq)
 	emma2rh_out32(reg_index, reg_value | reg_bitmask);
 }
 
-static void emma2rh_irq_disable(unsigned int irq)
+static void emma2rh_irq_disable(struct irq_data *d)
 {
-	u32 reg_value;
-	u32 reg_bitmask;
-	u32 reg_index;
-
-	irq -= EMMA2RH_IRQ_BASE;
+	unsigned int irq = d->irq - EMMA2RH_IRQ_BASE;
+	u32 reg_value, reg_bitmask, reg_index;
 
 	reg_index = EMMA2RH_BHIF_INT_EN_0 +
 		    (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32);
@@ -66,10 +60,8 @@ static void emma2rh_irq_disable(unsigned int irq)
 
 struct irq_chip emma2rh_irq_controller = {
 	.name = "emma2rh_irq",
-	.ack = emma2rh_irq_disable,
-	.mask = emma2rh_irq_disable,
-	.mask_ack = emma2rh_irq_disable,
-	.unmask = emma2rh_irq_enable,
+	.irq_mask = emma2rh_irq_disable,
+	.irq_unmask = emma2rh_irq_enable,
 };
 
 void emma2rh_irq_init(void)
@@ -77,28 +69,26 @@ void emma2rh_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ; i++)
-		set_irq_chip_and_handler_name(EMMA2RH_IRQ_BASE + i,
+		irq_set_chip_and_handler_name(EMMA2RH_IRQ_BASE + i,
 					      &emma2rh_irq_controller,
 					      handle_level_irq, "level");
 }
 
-static void emma2rh_sw_irq_enable(unsigned int irq)
+static void emma2rh_sw_irq_enable(struct irq_data *d)
 {
+	unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE;
 	u32 reg;
 
-	irq -= EMMA2RH_SW_IRQ_BASE;
-
 	reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
 	reg |= 1 << irq;
 	emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
 }
 
-static void emma2rh_sw_irq_disable(unsigned int irq)
+static void emma2rh_sw_irq_disable(struct irq_data *d)
 {
+	unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE;
 	u32 reg;
 
-	irq -= EMMA2RH_SW_IRQ_BASE;
-
 	reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
 	reg &= ~(1 << irq);
 	emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
@@ -106,10 +96,8 @@ static void emma2rh_sw_irq_disable(unsigned int irq)
 
 struct irq_chip emma2rh_sw_irq_controller = {
 	.name = "emma2rh_sw_irq",
-	.ack = emma2rh_sw_irq_disable,
-	.mask = emma2rh_sw_irq_disable,
-	.mask_ack = emma2rh_sw_irq_disable,
-	.unmask = emma2rh_sw_irq_enable,
+	.irq_mask = emma2rh_sw_irq_disable,
+	.irq_unmask = emma2rh_sw_irq_enable,
 };
 
 void emma2rh_sw_irq_init(void)
@@ -117,44 +105,43 @@ void emma2rh_sw_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++)
-		set_irq_chip_and_handler_name(EMMA2RH_SW_IRQ_BASE + i,
+		irq_set_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)
+static void emma2rh_gpio_irq_enable(struct irq_data *d)
 {
+	unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
 	u32 reg;
 
-	irq -= EMMA2RH_GPIO_IRQ_BASE;
-
 	reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
 	reg |= 1 << irq;
 	emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
 }
 
-static void emma2rh_gpio_irq_disable(unsigned int irq)
+static void emma2rh_gpio_irq_disable(struct irq_data *d)
 {
+	unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
 	u32 reg;
 
-	irq -= EMMA2RH_GPIO_IRQ_BASE;
-
 	reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
 	reg &= ~(1 << irq);
 	emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
 }
 
-static void emma2rh_gpio_irq_ack(unsigned int irq)
+static void emma2rh_gpio_irq_ack(struct irq_data *d)
 {
-	irq -= EMMA2RH_GPIO_IRQ_BASE;
+	unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
+
 	emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
 }
 
-static void emma2rh_gpio_irq_mask_ack(unsigned int irq)
+static void emma2rh_gpio_irq_mask_ack(struct irq_data *d)
 {
+	unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
 	u32 reg;
 
-	irq -= EMMA2RH_GPIO_IRQ_BASE;
 	emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
 
 	reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
@@ -164,10 +151,10 @@ static void emma2rh_gpio_irq_mask_ack(unsigned int irq)
 
 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_mask_ack,
-	.unmask = emma2rh_gpio_irq_enable,
+	.irq_ack = emma2rh_gpio_irq_ack,
+	.irq_mask = emma2rh_gpio_irq_disable,
+	.irq_mask_ack = emma2rh_gpio_irq_mask_ack,
+	.irq_unmask = emma2rh_gpio_irq_enable,
 };
 
 void emma2rh_gpio_irq_init(void)
@@ -175,7 +162,7 @@ void emma2rh_gpio_irq_init(void)
 	u32 i;
 
 	for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++)
-		set_irq_chip_and_handler_name(EMMA2RH_GPIO_IRQ_BASE + i,
+		irq_set_chip_and_handler_name(EMMA2RH_GPIO_IRQ_BASE + i,
 					      &emma2rh_gpio_irq_controller,
 					      handle_edge_irq, "edge");
 }
diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile
index e0aaad482b0e..5314b37aff2c 100644
--- a/arch/mips/fw/arc/Makefile
+++ b/arch/mips/fw/arc/Makefile
@@ -9,4 +9,4 @@ lib-$(CONFIG_ARC_MEMORY)	+= memory.o
 lib-$(CONFIG_ARC_CONSOLE)	+= arc_con.o
 lib-$(CONFIG_ARC_PROMLIB)	+= promlib.o
 
-EXTRA_CFLAGS			+= -Werror
+ccflags-y			:= -Werror
diff --git a/arch/mips/fw/arc/promlib.c b/arch/mips/fw/arc/promlib.c
index c508c00dbb64..b7f9dd3c93c6 100644
--- a/arch/mips/fw/arc/promlib.c
+++ b/arch/mips/fw/arc/promlib.c
@@ -4,7 +4,7 @@
  * for more details.
  *
  * Copyright (C) 1996 David S. Miller (dm@sgi.com)
- * Compability with board caches, Ulf Carlsson
+ * Compatibility with board caches, Ulf Carlsson
  */
 #include <linux/kernel.h>
 #include <asm/sgialib.h>
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 50b4ef288c53..2e1ad4c652b7 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -676,9 +676,8 @@ static inline int ffs(int word)
 #include <asm/arch_hweight.h>
 #include <asm-generic/bitops/const_hweight.h>
 
-#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/le.h>
 #include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/minix.h>
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/mips/include/asm/dec/prom.h b/arch/mips/include/asm/dec/prom.h
index b9c8203688d5..c0ead6313845 100644
--- a/arch/mips/include/asm/dec/prom.h
+++ b/arch/mips/include/asm/dec/prom.h
@@ -108,7 +108,7 @@ extern int (*__pmax_close)(int);
 
 /*
  * On MIPS64 we have to call PROM functions via a helper
- * dispatcher to accomodate ABI incompatibilities.
+ * dispatcher to accommodate ABI incompatibilities.
  */
 #define __DEC_PROM_O32(fun, arg) fun arg __asm__(#fun); \
 				 __asm__(#fun " = call_o32")
diff --git a/arch/mips/include/asm/floppy.h b/arch/mips/include/asm/floppy.h
index 992d232adc83..c5c7c0e6064c 100644
--- a/arch/mips/include/asm/floppy.h
+++ b/arch/mips/include/asm/floppy.h
@@ -24,7 +24,7 @@ static inline void fd_cacheflush(char * addr, long size)
  * And on Mips's the CMOS info fails also ...
  *
  * FIXME: This information should come from the ARC configuration tree
- *        or whereever a particular machine has stored this ...
+ *        or wherever a particular machine has stored this ...
  */
 #define FLOPPY0_TYPE 		fd_drive_type(0)
 #define FLOPPY1_TYPE		fd_drive_type(1)
diff --git a/arch/mips/include/asm/hw_irq.h b/arch/mips/include/asm/hw_irq.h
index aca05a43a97b..77adda297ad9 100644
--- a/arch/mips/include/asm/hw_irq.h
+++ b/arch/mips/include/asm/hw_irq.h
@@ -13,7 +13,7 @@
 extern atomic_t irq_err_count;
 
 /*
- * interrupt-retrigger: NOP for now. This may not be apropriate for all
+ * interrupt-retrigger: NOP for now. This may not be appropriate for all
  * machines, we'll see ...
  */
 
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 5b017f23e243..b04e4de5dd2e 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -242,7 +242,7 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
  * This version of ioremap ensures that the memory is marked uncachable
  * on the CPU as well as honouring existing caching rules from things like
  * the PCI bus. Note that there are other caches and buffers on many
- * busses. In paticular driver authors should read up on PCI writes
+ * busses. In particular driver authors should read up on PCI writes
  *
  * It's useful if some control registers are in such an area and
  * write combining or read caching is not desirable:
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index b003ed52ed17..0ec01294b063 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -55,9 +55,9 @@ static inline void smtc_im_ack_irq(unsigned int irq)
 #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
 #include <linux/cpumask.h>
 
-extern int plat_set_irq_affinity(unsigned int irq,
-				  const struct cpumask *affinity);
-extern void smtc_forward_irq(unsigned int irq);
+extern int plat_set_irq_affinity(struct irq_data *d,
+				 const struct cpumask *affinity, bool force);
+extern void smtc_forward_irq(struct irq_data *d);
 
 /*
  * IRQ affinity hook invoked at the beginning of interrupt dispatch
@@ -70,51 +70,53 @@ extern void smtc_forward_irq(unsigned int irq);
  * cpumask implementations, this version is optimistically assuming
  * that cpumask.h macro overhead is reasonable during interrupt dispatch.
  */
-#define IRQ_AFFINITY_HOOK(irq)						\
-do {									\
-    if (!cpumask_test_cpu(smp_processor_id(), irq_desc[irq].affinity)) {\
-	smtc_forward_irq(irq);						\
-	irq_exit();							\
-	return;								\
-    }									\
-} while (0)
+static inline int handle_on_other_cpu(unsigned int irq)
+{
+	struct irq_data *d = irq_get_irq_data(irq);
+
+	if (cpumask_test_cpu(smp_processor_id(), d->affinity))
+		return 0;
+	smtc_forward_irq(d);
+	return 1;
+}
 
 #else /* Not doing SMTC affinity */
 
-#define IRQ_AFFINITY_HOOK(irq) do { } while (0)
+static inline int handle_on_other_cpu(unsigned int irq) { return 0; }
 
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
 
 #ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
 
+static inline void smtc_im_backstop(unsigned int irq)
+{
+	if (irq_hwmask[irq] & 0x0000ff00)
+		write_c0_tccontext(read_c0_tccontext() &
+				   ~(irq_hwmask[irq] & 0x0000ff00));
+}
+
 /*
  * Clear interrupt mask handling "backstop" if irq_hwmask
  * entry so indicates. This implies that the ack() or end()
  * functions will take over re-enabling the low-level mask.
  * Otherwise it will be done on return from exception.
  */
-#define __DO_IRQ_SMTC_HOOK(irq)						\
-do {									\
-	IRQ_AFFINITY_HOOK(irq);						\
-	if (irq_hwmask[irq] & 0x0000ff00)				\
-		write_c0_tccontext(read_c0_tccontext() &		\
-				   ~(irq_hwmask[irq] & 0x0000ff00));	\
-} while (0)
-
-#define __NO_AFFINITY_IRQ_SMTC_HOOK(irq)				\
-do {									\
-	if (irq_hwmask[irq] & 0x0000ff00)                               \
-		write_c0_tccontext(read_c0_tccontext() &		\
-				   ~(irq_hwmask[irq] & 0x0000ff00));	\
-} while (0)
+static inline int smtc_handle_on_other_cpu(unsigned int irq)
+{
+	int ret = handle_on_other_cpu(irq);
+
+	if (!ret)
+		smtc_im_backstop(irq);
+	return ret;
+}
 
 #else
 
-#define __DO_IRQ_SMTC_HOOK(irq)						\
-do {									\
-	IRQ_AFFINITY_HOOK(irq);						\
-} while (0)
-#define __NO_AFFINITY_IRQ_SMTC_HOOK(irq) do { } while (0)
+static inline void smtc_im_backstop(unsigned int irq) { }
+static inline int smtc_handle_on_other_cpu(unsigned int irq)
+{
+	return handle_on_other_cpu(irq);
+}
 
 #endif
 
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h
index 9ef3b0d17896..309cbcd6909c 100644
--- a/arch/mips/include/asm/irqflags.h
+++ b/arch/mips/include/asm/irqflags.h
@@ -174,7 +174,7 @@ __asm__(
 	"mtc0	\\flags, $2, 1						\n"
 #elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
 	/*
-	 * Slow, but doesn't suffer from a relativly unlikely race
+	 * Slow, but doesn't suffer from a relatively unlikely race
 	 * condition we're having since days 1.
 	 */
 	"	beqz	\\flags, 1f					\n"
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
index 5325084d5c48..32978d32561a 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
@@ -4,7 +4,7 @@
 #define TAGVER_LEN		4	/* Length of Tag Version */
 #define TAGLAYOUT_LEN		4	/* Length of FlashLayoutVer */
 #define SIG1_LEN		20	/* Company Signature 1 Length */
-#define SIG2_LEN		14	/* Company Signature 2 Lenght */
+#define SIG2_LEN		14	/* Company Signature 2 Length */
 #define BOARDID_LEN		16	/* Length of BoardId */
 #define ENDIANFLAG_LEN		2	/* Endian Flag Length */
 #define CHIPID_LEN		6	/* Chip Id Length */
diff --git a/arch/mips/include/asm/mach-cavium-octeon/irq.h b/arch/mips/include/asm/mach-cavium-octeon/irq.h
index 6ddab8aef644..5b05f186e395 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/irq.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/irq.h
@@ -11,172 +11,91 @@
 #define NR_IRQS OCTEON_IRQ_LAST
 #define MIPS_CPU_IRQ_BASE OCTEON_IRQ_SW0
 
-/* 0 - 7 represent the i8259 master */
-#define OCTEON_IRQ_I8259M0	0
-#define OCTEON_IRQ_I8259M1	1
-#define OCTEON_IRQ_I8259M2	2
-#define OCTEON_IRQ_I8259M3	3
-#define OCTEON_IRQ_I8259M4	4
-#define OCTEON_IRQ_I8259M5	5
-#define OCTEON_IRQ_I8259M6	6
-#define OCTEON_IRQ_I8259M7	7
-/* 8 - 15 represent the i8259 slave */
-#define OCTEON_IRQ_I8259S0	8
-#define OCTEON_IRQ_I8259S1	9
-#define OCTEON_IRQ_I8259S2	10
-#define OCTEON_IRQ_I8259S3	11
-#define OCTEON_IRQ_I8259S4	12
-#define OCTEON_IRQ_I8259S5	13
-#define OCTEON_IRQ_I8259S6	14
-#define OCTEON_IRQ_I8259S7	15
-/* 16 - 23 represent the 8 MIPS standard interrupt sources */
-#define OCTEON_IRQ_SW0		16
-#define OCTEON_IRQ_SW1		17
-#define OCTEON_IRQ_CIU0		18
-#define OCTEON_IRQ_CIU1		19
-#define OCTEON_IRQ_CIU4		20
-#define OCTEON_IRQ_5		21
-#define OCTEON_IRQ_PERF		22
-#define OCTEON_IRQ_TIMER	23
-/* 24 - 87 represent the sources in CIU_INTX_EN0 */
-#define OCTEON_IRQ_WORKQ0	24
-#define OCTEON_IRQ_WORKQ1	25
-#define OCTEON_IRQ_WORKQ2	26
-#define OCTEON_IRQ_WORKQ3	27
-#define OCTEON_IRQ_WORKQ4	28
-#define OCTEON_IRQ_WORKQ5	29
-#define OCTEON_IRQ_WORKQ6	30
-#define OCTEON_IRQ_WORKQ7	31
-#define OCTEON_IRQ_WORKQ8	32
-#define OCTEON_IRQ_WORKQ9	33
-#define OCTEON_IRQ_WORKQ10	34
-#define OCTEON_IRQ_WORKQ11	35
-#define OCTEON_IRQ_WORKQ12	36
-#define OCTEON_IRQ_WORKQ13	37
-#define OCTEON_IRQ_WORKQ14	38
-#define OCTEON_IRQ_WORKQ15	39
-#define OCTEON_IRQ_GPIO0	40
-#define OCTEON_IRQ_GPIO1	41
-#define OCTEON_IRQ_GPIO2	42
-#define OCTEON_IRQ_GPIO3	43
-#define OCTEON_IRQ_GPIO4	44
-#define OCTEON_IRQ_GPIO5	45
-#define OCTEON_IRQ_GPIO6	46
-#define OCTEON_IRQ_GPIO7	47
-#define OCTEON_IRQ_GPIO8	48
-#define OCTEON_IRQ_GPIO9	49
-#define OCTEON_IRQ_GPIO10	50
-#define OCTEON_IRQ_GPIO11	51
-#define OCTEON_IRQ_GPIO12	52
-#define OCTEON_IRQ_GPIO13	53
-#define OCTEON_IRQ_GPIO14	54
-#define OCTEON_IRQ_GPIO15	55
-#define OCTEON_IRQ_MBOX0	56
-#define OCTEON_IRQ_MBOX1	57
-#define OCTEON_IRQ_UART0	58
-#define OCTEON_IRQ_UART1	59
-#define OCTEON_IRQ_PCI_INT0	60
-#define OCTEON_IRQ_PCI_INT1	61
-#define OCTEON_IRQ_PCI_INT2	62
-#define OCTEON_IRQ_PCI_INT3	63
-#define OCTEON_IRQ_PCI_MSI0	64
-#define OCTEON_IRQ_PCI_MSI1	65
-#define OCTEON_IRQ_PCI_MSI2	66
-#define OCTEON_IRQ_PCI_MSI3	67
-#define OCTEON_IRQ_RESERVED68	68	/* Summary of CIU_INT_SUM1 */
-#define OCTEON_IRQ_TWSI		69
-#define OCTEON_IRQ_RML		70
-#define OCTEON_IRQ_TRACE	71
-#define OCTEON_IRQ_GMX_DRP0	72
-#define OCTEON_IRQ_GMX_DRP1	73
-#define OCTEON_IRQ_IPD_DRP	74
-#define OCTEON_IRQ_KEY_ZERO	75
-#define OCTEON_IRQ_TIMER0	76
-#define OCTEON_IRQ_TIMER1	77
-#define OCTEON_IRQ_TIMER2	78
-#define OCTEON_IRQ_TIMER3	79
-#define OCTEON_IRQ_USB0		80
-#define OCTEON_IRQ_PCM		81
-#define OCTEON_IRQ_MPI		82
-#define OCTEON_IRQ_TWSI2	83
-#define OCTEON_IRQ_POWIQ	84
-#define OCTEON_IRQ_IPDPPTHR	85
-#define OCTEON_IRQ_MII0		86
-#define OCTEON_IRQ_BOOTDMA	87
-/* 88 - 151 represent the sources in CIU_INTX_EN1 */
-#define OCTEON_IRQ_WDOG0	88
-#define OCTEON_IRQ_WDOG1	89
-#define OCTEON_IRQ_WDOG2	90
-#define OCTEON_IRQ_WDOG3	91
-#define OCTEON_IRQ_WDOG4	92
-#define OCTEON_IRQ_WDOG5	93
-#define OCTEON_IRQ_WDOG6	94
-#define OCTEON_IRQ_WDOG7	95
-#define OCTEON_IRQ_WDOG8	96
-#define OCTEON_IRQ_WDOG9	97
-#define OCTEON_IRQ_WDOG10	98
-#define OCTEON_IRQ_WDOG11	99
-#define OCTEON_IRQ_WDOG12	100
-#define OCTEON_IRQ_WDOG13	101
-#define OCTEON_IRQ_WDOG14	102
-#define OCTEON_IRQ_WDOG15	103
-#define OCTEON_IRQ_UART2	104
-#define OCTEON_IRQ_USB1		105
-#define OCTEON_IRQ_MII1		106
-#define OCTEON_IRQ_RESERVED107	107
-#define OCTEON_IRQ_RESERVED108	108
-#define OCTEON_IRQ_RESERVED109	109
-#define OCTEON_IRQ_RESERVED110	110
-#define OCTEON_IRQ_RESERVED111	111
-#define OCTEON_IRQ_RESERVED112	112
-#define OCTEON_IRQ_RESERVED113	113
-#define OCTEON_IRQ_RESERVED114	114
-#define OCTEON_IRQ_RESERVED115	115
-#define OCTEON_IRQ_RESERVED116	116
-#define OCTEON_IRQ_RESERVED117	117
-#define OCTEON_IRQ_RESERVED118	118
-#define OCTEON_IRQ_RESERVED119	119
-#define OCTEON_IRQ_RESERVED120	120
-#define OCTEON_IRQ_RESERVED121	121
-#define OCTEON_IRQ_RESERVED122	122
-#define OCTEON_IRQ_RESERVED123	123
-#define OCTEON_IRQ_RESERVED124	124
-#define OCTEON_IRQ_RESERVED125	125
-#define OCTEON_IRQ_RESERVED126	126
-#define OCTEON_IRQ_RESERVED127	127
-#define OCTEON_IRQ_RESERVED128	128
-#define OCTEON_IRQ_RESERVED129	129
-#define OCTEON_IRQ_RESERVED130	130
-#define OCTEON_IRQ_RESERVED131	131
-#define OCTEON_IRQ_RESERVED132	132
-#define OCTEON_IRQ_RESERVED133	133
-#define OCTEON_IRQ_RESERVED134	134
-#define OCTEON_IRQ_RESERVED135	135
-#define OCTEON_IRQ_RESERVED136	136
-#define OCTEON_IRQ_RESERVED137	137
-#define OCTEON_IRQ_RESERVED138	138
-#define OCTEON_IRQ_RESERVED139	139
-#define OCTEON_IRQ_RESERVED140	140
-#define OCTEON_IRQ_RESERVED141	141
-#define OCTEON_IRQ_RESERVED142	142
-#define OCTEON_IRQ_RESERVED143	143
-#define OCTEON_IRQ_RESERVED144	144
-#define OCTEON_IRQ_RESERVED145	145
-#define OCTEON_IRQ_RESERVED146	146
-#define OCTEON_IRQ_RESERVED147	147
-#define OCTEON_IRQ_RESERVED148	148
-#define OCTEON_IRQ_RESERVED149	149
-#define OCTEON_IRQ_RESERVED150	150
-#define OCTEON_IRQ_RESERVED151	151
+enum octeon_irq {
+/* 1 - 8 represent the 8 MIPS standard interrupt sources */
+	OCTEON_IRQ_SW0 = 1,
+	OCTEON_IRQ_SW1,
+/* CIU0, CUI2, CIU4 are 3, 4, 5 */
+	OCTEON_IRQ_5 = 6,
+	OCTEON_IRQ_PERF,
+	OCTEON_IRQ_TIMER,
+/* sources in CIU_INTX_EN0 */
+	OCTEON_IRQ_WORKQ0,
+	OCTEON_IRQ_GPIO0 = OCTEON_IRQ_WORKQ0 + 16,
+	OCTEON_IRQ_WDOG0 = OCTEON_IRQ_GPIO0 + 16,
+	OCTEON_IRQ_WDOG15 = OCTEON_IRQ_WDOG0 + 15,
+	OCTEON_IRQ_MBOX0 = OCTEON_IRQ_WDOG0 + 16,
+	OCTEON_IRQ_MBOX1,
+	OCTEON_IRQ_UART0,
+	OCTEON_IRQ_UART1,
+	OCTEON_IRQ_UART2,
+	OCTEON_IRQ_PCI_INT0,
+	OCTEON_IRQ_PCI_INT1,
+	OCTEON_IRQ_PCI_INT2,
+	OCTEON_IRQ_PCI_INT3,
+	OCTEON_IRQ_PCI_MSI0,
+	OCTEON_IRQ_PCI_MSI1,
+	OCTEON_IRQ_PCI_MSI2,
+	OCTEON_IRQ_PCI_MSI3,
+
+	OCTEON_IRQ_TWSI,
+	OCTEON_IRQ_TWSI2,
+	OCTEON_IRQ_RML,
+	OCTEON_IRQ_TRACE0,
+	OCTEON_IRQ_GMX_DRP0 = OCTEON_IRQ_TRACE0 + 4,
+	OCTEON_IRQ_IPD_DRP = OCTEON_IRQ_GMX_DRP0 + 5,
+	OCTEON_IRQ_KEY_ZERO,
+	OCTEON_IRQ_TIMER0,
+	OCTEON_IRQ_TIMER1,
+	OCTEON_IRQ_TIMER2,
+	OCTEON_IRQ_TIMER3,
+	OCTEON_IRQ_USB0,
+	OCTEON_IRQ_USB1,
+	OCTEON_IRQ_PCM,
+	OCTEON_IRQ_MPI,
+	OCTEON_IRQ_POWIQ,
+	OCTEON_IRQ_IPDPPTHR,
+	OCTEON_IRQ_MII0,
+	OCTEON_IRQ_MII1,
+	OCTEON_IRQ_BOOTDMA,
+
+	OCTEON_IRQ_NAND,
+	OCTEON_IRQ_MIO,		/* Summary of MIO_BOOT_ERR */
+	OCTEON_IRQ_IOB,		/* Summary of IOB_INT_SUM */
+	OCTEON_IRQ_FPA,		/* Summary of FPA_INT_SUM */
+	OCTEON_IRQ_POW,		/* Summary of POW_ECC_ERR */
+	OCTEON_IRQ_L2C,		/* Summary of L2C_INT_STAT */
+	OCTEON_IRQ_IPD,		/* Summary of IPD_INT_SUM */
+	OCTEON_IRQ_PIP,		/* Summary of PIP_INT_REG */
+	OCTEON_IRQ_PKO,		/* Summary of PKO_REG_ERROR */
+	OCTEON_IRQ_ZIP,		/* Summary of ZIP_ERROR */
+	OCTEON_IRQ_TIM,		/* Summary of TIM_REG_ERROR */
+	OCTEON_IRQ_RAD,		/* Summary of RAD_REG_ERROR */
+	OCTEON_IRQ_KEY,		/* Summary of KEY_INT_SUM */
+	OCTEON_IRQ_DFA,		/* Summary of DFA */
+	OCTEON_IRQ_USBCTL,	/* Summary of USBN0_INT_SUM */
+	OCTEON_IRQ_SLI,		/* Summary of SLI_INT_SUM */
+	OCTEON_IRQ_DPI,		/* Summary of DPI_INT_SUM */
+	OCTEON_IRQ_AGX0,	/* Summary of GMX0*+PCS0_INT*_REG */
+	OCTEON_IRQ_AGL  = OCTEON_IRQ_AGX0 + 5,
+	OCTEON_IRQ_PTP,
+	OCTEON_IRQ_PEM0,
+	OCTEON_IRQ_PEM1,
+	OCTEON_IRQ_SRIO0,
+	OCTEON_IRQ_SRIO1,
+	OCTEON_IRQ_LMC0,
+	OCTEON_IRQ_DFM = OCTEON_IRQ_LMC0 + 4,		/* Summary of DFM */
+	OCTEON_IRQ_RST,
+};
 
 #ifdef CONFIG_PCI_MSI
-/* 152 - 215 represent the MSI interrupts 0-63 */
-#define OCTEON_IRQ_MSI_BIT0	152
-#define OCTEON_IRQ_MSI_LAST	(OCTEON_IRQ_MSI_BIT0 + 255)
+/* 152 - 407 represent the MSI interrupts 0-255 */
+#define OCTEON_IRQ_MSI_BIT0	(OCTEON_IRQ_RST + 1)
 
-#define OCTEON_IRQ_LAST		(OCTEON_IRQ_MSI_LAST + 1)
+#define OCTEON_IRQ_MSI_LAST      (OCTEON_IRQ_MSI_BIT0 + 255)
+#define OCTEON_IRQ_LAST          (OCTEON_IRQ_MSI_LAST + 1)
 #else
-#define OCTEON_IRQ_LAST         152
+#define OCTEON_IRQ_LAST         (OCTEON_IRQ_RST + 1)
 #endif
 
 #endif
diff --git a/arch/mips/include/asm/mach-ip32/mc146818rtc.h b/arch/mips/include/asm/mach-ip32/mc146818rtc.h
index c28ba8d84076..6b6bab43d5c1 100644
--- a/arch/mips/include/asm/mach-ip32/mc146818rtc.h
+++ b/arch/mips/include/asm/mach-ip32/mc146818rtc.h
@@ -26,7 +26,7 @@ static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
 }
 
 /*
- * FIXME: Do it right. For now just assume that noone lives in 20th century
+ * FIXME: Do it right. For now just assume that no one lives in 20th century
  * and no O2 user in 22th century ;-)
  */
 #define mc146818_decode_year(year) ((year) + 2000)
diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h
index 021f77ca59ec..2a8e2bb5d539 100644
--- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h
+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h
@@ -1,5 +1,5 @@
 /*
- * The header file of cs5536 sourth bridge.
+ * The header file of cs5536 south bridge.
  *
  * Copyright (C) 2007 Lemote, Inc.
  * Author : jlliu <liujl@lemote.com>
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1000.h b/arch/mips/include/asm/mach-pb1x00/pb1000.h
index 6d1ff9060e44..65059255dc1e 100644
--- a/arch/mips/include/asm/mach-pb1x00/pb1000.h
+++ b/arch/mips/include/asm/mach-pb1x00/pb1000.h
@@ -1,5 +1,5 @@
 /*
- * Alchemy Semi Pb1000 Referrence Board
+ * Alchemy Semi Pb1000 Reference Board
  *
  * Copyright 2001, 2008 MontaVista Software Inc.
  * Author: MontaVista Software, Inc. <source@mvista.com>
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1200.h b/arch/mips/include/asm/mach-pb1x00/pb1200.h
index 962eb55dc880..fce4332ebb7f 100644
--- a/arch/mips/include/asm/mach-pb1x00/pb1200.h
+++ b/arch/mips/include/asm/mach-pb1x00/pb1200.h
@@ -1,5 +1,5 @@
 /*
- * AMD Alchemy Pb1200 Referrence Board
+ * AMD Alchemy Pb1200 Reference Board
  * Board Registers defines.
  *
  * ########################################################################
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1550.h b/arch/mips/include/asm/mach-pb1x00/pb1550.h
index fc4d766641ce..f835c88e9593 100644
--- a/arch/mips/include/asm/mach-pb1x00/pb1550.h
+++ b/arch/mips/include/asm/mach-pb1x00/pb1550.h
@@ -1,5 +1,5 @@
 /*
- * AMD Alchemy Semi PB1550 Referrence Board
+ * AMD Alchemy Semi PB1550 Reference Board
  * Board Registers defines.
  *
  * Copyright 2004 Embedded Edge LLC.
diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h
index f76029c2406e..a8e72cf12142 100644
--- a/arch/mips/include/asm/mach-powertv/dma-coherence.h
+++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h
@@ -48,7 +48,7 @@ static inline unsigned long virt_to_phys_from_pte(void *addr)
 				/* check for a valid page */
 				if (pte_present(pte)) {
 					/* get the physical address the page is
-					 * refering to */
+					 * referring to */
 					phys_addr = (unsigned long)
 						page_to_phys(pte_page(pte));
 					/* add the offset within the page */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 4d9870975382..6a6f8a8f542d 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -922,7 +922,7 @@ do {									\
 #define write_c0_config7(val)	__write_32bit_c0_register($16, 7, val)
 
 /*
- * The WatchLo register.  There may be upto 8 of them.
+ * The WatchLo register.  There may be up to 8 of them.
  */
 #define read_c0_watchlo0()	__read_ulong_c0_register($18, 0)
 #define read_c0_watchlo1()	__read_ulong_c0_register($18, 1)
@@ -942,7 +942,7 @@ do {									\
 #define write_c0_watchlo7(val)	__write_ulong_c0_register($18, 7, val)
 
 /*
- * The WatchHi register.  There may be upto 8 of them.
+ * The WatchHi register.  There may be up to 8 of them.
  */
 #define read_c0_watchhi0()	__read_32bit_c0_register($19, 0)
 #define read_c0_watchhi1()	__read_32bit_c0_register($19, 1)
diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
index f3c23a43f845..4e4c3a8282d6 100644
--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
@@ -200,7 +200,7 @@ enum cvmx_chip_types_enum {
 	CVMX_CHIP_TYPE_MAX,
 };
 
-/* Compatability alias for NAC38 name change, planned to be removed
+/* Compatibility alias for NAC38 name change, planned to be removed
  * from SDK 1.7 */
 #define CVMX_BOARD_TYPE_NAO38	CVMX_BOARD_TYPE_NAC38
 
diff --git a/arch/mips/include/asm/octeon/cvmx-bootmem.h b/arch/mips/include/asm/octeon/cvmx-bootmem.h
index 8e708bdb43f7..877845b84b14 100644
--- a/arch/mips/include/asm/octeon/cvmx-bootmem.h
+++ b/arch/mips/include/asm/octeon/cvmx-bootmem.h
@@ -67,7 +67,7 @@ struct cvmx_bootmem_block_header {
 
 /*
  * Structure for named memory blocks.  Number of descriptors available
- * can be changed without affecting compatiblity, but name length
+ * can be changed without affecting compatibility, but name length
  * changes require a bump in the bootmem descriptor version Note: This
  * structure must be naturally 64 bit aligned, as a single memory
  * image will be used by both 32 and 64 bit programs.
diff --git a/arch/mips/include/asm/octeon/cvmx-l2c.h b/arch/mips/include/asm/octeon/cvmx-l2c.h
index 0b32c5b118e2..2c8ff9e33ec3 100644
--- a/arch/mips/include/asm/octeon/cvmx-l2c.h
+++ b/arch/mips/include/asm/octeon/cvmx-l2c.h
@@ -157,7 +157,7 @@ enum cvmx_l2c_tad_event {
 
 /**
  * Configure one of the four L2 Cache performance counters to capture event
- * occurences.
+ * occurrences.
  *
  * @counter:        The counter to configure. Range 0..3.
  * @event:          The type of L2 Cache event occurrence to count.
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 9d9381e2e3d8..7e1286706d46 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -151,7 +151,7 @@ enum cvmx_mips_space {
 #endif
 
 /**
- * Convert a memory pointer (void*) into a hardware compatable
+ * Convert a memory pointer (void*) into a hardware compatible
  * memory address (uint64_t). Octeon hardware widgets don't
  * understand logical addresses.
  *
diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h
index 6b34afd0d4e7..f72f768cd3a4 100644
--- a/arch/mips/include/asm/octeon/octeon.h
+++ b/arch/mips/include/asm/octeon/octeon.h
@@ -257,4 +257,6 @@ extern struct cvmx_bootinfo *octeon_bootinfo;
 
 extern uint64_t octeon_bootloader_entry_addr;
 
+extern void (*octeon_irq_setup_secondary)(void);
+
 #endif /* __ASM_OCTEON_OCTEON_H */
diff --git a/arch/mips/include/asm/paccess.h b/arch/mips/include/asm/paccess.h
index c2394f8b0fe1..9ce5a1e7e14c 100644
--- a/arch/mips/include/asm/paccess.h
+++ b/arch/mips/include/asm/paccess.h
@@ -7,7 +7,7 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  *
  * Protected memory access.  Used for everything that might take revenge
- * by sending a DBE error like accessing possibly non-existant memory or
+ * by sending a DBE error like accessing possibly non-existent memory or
  * devices.
  */
 #ifndef _ASM_PACCESS_H
diff --git a/arch/mips/include/asm/pci/bridge.h b/arch/mips/include/asm/pci/bridge.h
index f1f508e4f971..be44fb0266da 100644
--- a/arch/mips/include/asm/pci/bridge.h
+++ b/arch/mips/include/asm/pci/bridge.h
@@ -262,7 +262,7 @@ typedef volatile struct bridge_s {
 } bridge_t;
 
 /*
- * Field formats for Error Command Word and Auxillary Error Command Word
+ * Field formats for Error Command Word and Auxiliary Error Command Word
  * of bridge.
  */
 typedef struct bridge_err_cmdword_s {
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
new file mode 100644
index 000000000000..a80801b094bd
--- /dev/null
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2003, 04, 07 Ralf Baechle (ralf@linux-mips.org)
+ */
+#ifndef __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_mips16		1
+#define cpu_has_dsp		1
+#define cpu_has_mipsmt		1
+#define cpu_has_fpu		0
+
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#endif /* __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_gpio_macros.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_gpio_macros.h
new file mode 100644
index 000000000000..156f320c69e7
--- /dev/null
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_gpio_macros.h
@@ -0,0 +1,343 @@
+/*
+ *
+ * Macros for external SMP-safe access to the PMC MSP71xx reference
+ * board GPIO pins
+ *
+ * Copyright 2010 PMC-Sierra, 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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __MSP_GPIO_MACROS_H__
+#define __MSP_GPIO_MACROS_H__
+
+#include <msp_regops.h>
+#include <msp_regs.h>
+
+#ifdef CONFIG_PMC_MSP7120_GW
+#define MSP_NUM_GPIOS		20
+#else
+#define MSP_NUM_GPIOS		28
+#endif
+
+/* -- GPIO Enumerations -- */
+enum msp_gpio_data {
+	MSP_GPIO_LO = 0,
+	MSP_GPIO_HI = 1,
+	MSP_GPIO_NONE,		/* Special - Means pin is out of range */
+	MSP_GPIO_TOGGLE,	/* Special - Sets pin to opposite */
+};
+
+enum msp_gpio_mode {
+	MSP_GPIO_INPUT		= 0x0,
+	/* MSP_GPIO_ INTERRUPT	= 0x1,	Not supported yet */
+	MSP_GPIO_UART_INPUT	= 0x2,	/* Only GPIO 4 or 5 */
+	MSP_GPIO_OUTPUT		= 0x8,
+	MSP_GPIO_UART_OUTPUT	= 0x9,	/* Only GPIO 2 or 3 */
+	MSP_GPIO_PERIF_TIMERA	= 0x9,	/* Only GPIO 0 or 1 */
+	MSP_GPIO_PERIF_TIMERB	= 0xa,	/* Only GPIO 0 or 1 */
+	MSP_GPIO_UNKNOWN	= 0xb,  /* No such GPIO or mode */
+};
+
+/* -- Static Tables -- */
+
+/* Maps pins to data register */
+static volatile u32 * const MSP_GPIO_DATA_REGISTER[] = {
+	/* GPIO 0 and 1 on the first register */
+	GPIO_DATA1_REG, GPIO_DATA1_REG,
+	/* GPIO 2, 3, 4, and 5 on the second register */
+	GPIO_DATA2_REG, GPIO_DATA2_REG, GPIO_DATA2_REG, GPIO_DATA2_REG,
+	/* GPIO 6, 7, 8, and 9 on the third register */
+	GPIO_DATA3_REG, GPIO_DATA3_REG, GPIO_DATA3_REG, GPIO_DATA3_REG,
+	/* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
+	GPIO_DATA4_REG, GPIO_DATA4_REG, GPIO_DATA4_REG, GPIO_DATA4_REG,
+	GPIO_DATA4_REG, GPIO_DATA4_REG,
+	/* GPIO 16 - 23 on the first strange EXTENDED register */
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	/* GPIO 24 - 27 on the second strange EXTENDED register */
+	EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG,
+	EXTENDED_GPIO2_REG,
+};
+
+/* Maps pins to mode register */
+static volatile u32 * const MSP_GPIO_MODE_REGISTER[] = {
+	/* GPIO 0 and 1 on the first register */
+	GPIO_CFG1_REG, GPIO_CFG1_REG,
+	/* GPIO 2, 3, 4, and 5 on the second register */
+	GPIO_CFG2_REG, GPIO_CFG2_REG, GPIO_CFG2_REG, GPIO_CFG2_REG,
+	/* GPIO 6, 7, 8, and 9 on the third register */
+	GPIO_CFG3_REG, GPIO_CFG3_REG, GPIO_CFG3_REG, GPIO_CFG3_REG,
+	/* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
+	GPIO_CFG4_REG, GPIO_CFG4_REG, GPIO_CFG4_REG, GPIO_CFG4_REG,
+	GPIO_CFG4_REG, GPIO_CFG4_REG,
+	/* GPIO 16 - 23 on the first strange EXTENDED register */
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
+	/* GPIO 24 - 27 on the second strange EXTENDED register */
+	EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG,
+	EXTENDED_GPIO2_REG,
+};
+
+/* Maps 'basic' pins to relative offset from 0 per register */
+static int MSP_GPIO_OFFSET[] = {
+	/* GPIO 0 and 1 on the first register */
+	0, 0,
+	/* GPIO 2, 3, 4, and 5 on the second register */
+	2, 2, 2, 2,
+	/* GPIO 6, 7, 8, and 9 on the third register */
+	6, 6, 6, 6,
+	/* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
+	10, 10, 10, 10, 10, 10,
+};
+
+/* Maps MODE to allowed pin mask */
+static unsigned int MSP_GPIO_MODE_ALLOWED[] = {
+	0xffffffff,	/* Mode 0 - INPUT */
+	0x00000,	/* Mode 1 - INTERRUPT */
+	0x00030,	/* Mode 2 - UART_INPUT (GPIO 4, 5)*/
+	0, 0, 0, 0, 0,	/* Modes 3, 4, 5, 6, and 7 are reserved */
+	0xffffffff,	/* Mode 8 - OUTPUT */
+	0x0000f,	/* Mode 9 - UART_OUTPUT/
+				PERF_TIMERA (GPIO 0, 1, 2, 3) */
+	0x00003,	/* Mode a - PERF_TIMERB (GPIO 0, 1) */
+	0x00000,	/* Mode b - Not really a mode! */
+};
+
+/* -- Bit masks -- */
+
+/* This gives you the 'register relative offset gpio' number */
+#define OFFSET_GPIO_NUMBER(gpio)	(gpio - MSP_GPIO_OFFSET[gpio])
+
+/* These take the 'register relative offset gpio' number */
+#define BASIC_DATA_REG_MASK(ogpio)		(1 << ogpio)
+#define BASIC_MODE_REG_VALUE(mode, ogpio)	\
+	(mode << BASIC_MODE_REG_SHIFT(ogpio))
+#define BASIC_MODE_REG_MASK(ogpio)		\
+	BASIC_MODE_REG_VALUE(0xf, ogpio)
+#define BASIC_MODE_REG_SHIFT(ogpio)		(ogpio * 4)
+#define BASIC_MODE_REG_FROM_REG(data, ogpio)	\
+	((data & BASIC_MODE_REG_MASK(ogpio)) >> BASIC_MODE_REG_SHIFT(ogpio))
+
+/* These take the actual GPIO number (0 through 15) */
+#define BASIC_DATA_MASK(gpio)	\
+	BASIC_DATA_REG_MASK(OFFSET_GPIO_NUMBER(gpio))
+#define BASIC_MODE_MASK(gpio)	\
+	BASIC_MODE_REG_MASK(OFFSET_GPIO_NUMBER(gpio))
+#define BASIC_MODE(mode, gpio)	\
+	BASIC_MODE_REG_VALUE(mode, OFFSET_GPIO_NUMBER(gpio))
+#define BASIC_MODE_SHIFT(gpio)	\
+	BASIC_MODE_REG_SHIFT(OFFSET_GPIO_NUMBER(gpio))
+#define BASIC_MODE_FROM_REG(data, gpio)	\
+	BASIC_MODE_REG_FROM_REG(data, OFFSET_GPIO_NUMBER(gpio))
+
+/*
+ * Each extended GPIO register is 32 bits long and is responsible for up to
+ * eight GPIOs. The least significant 16 bits contain the set and clear bit
+ * pair for each of the GPIOs. The most significant 16 bits contain the
+ * disable and enable bit pair for each of the GPIOs. For example, the
+ * extended GPIO reg for GPIOs 16-23 is as follows:
+ *
+ *	31: GPIO23_DISABLE
+ *	...
+ *	19: GPIO17_DISABLE
+ *	18: GPIO17_ENABLE
+ *	17: GPIO16_DISABLE
+ *	16: GPIO16_ENABLE
+ *	...
+ *	3:  GPIO17_SET
+ *	2:  GPIO17_CLEAR
+ *	1:  GPIO16_SET
+ *	0:  GPIO16_CLEAR
+ */
+
+/* This gives the 'register relative offset gpio' number */
+#define EXTENDED_OFFSET_GPIO(gpio)	(gpio < 24 ? gpio - 16 : gpio - 24)
+
+/* These take the 'register relative offset gpio' number */
+#define EXTENDED_REG_DISABLE(ogpio)	(0x2 << ((ogpio * 2) + 16))
+#define EXTENDED_REG_ENABLE(ogpio)	(0x1 << ((ogpio * 2) + 16))
+#define EXTENDED_REG_SET(ogpio)		(0x2 << (ogpio * 2))
+#define EXTENDED_REG_CLR(ogpio)		(0x1 << (ogpio * 2))
+
+/* These take the actual GPIO number (16 through 27) */
+#define EXTENDED_DISABLE(gpio)	\
+	EXTENDED_REG_DISABLE(EXTENDED_OFFSET_GPIO(gpio))
+#define EXTENDED_ENABLE(gpio)	\
+	EXTENDED_REG_ENABLE(EXTENDED_OFFSET_GPIO(gpio))
+#define EXTENDED_SET(gpio)	\
+	EXTENDED_REG_SET(EXTENDED_OFFSET_GPIO(gpio))
+#define EXTENDED_CLR(gpio)	\
+	EXTENDED_REG_CLR(EXTENDED_OFFSET_GPIO(gpio))
+
+#define EXTENDED_FULL_MASK		(0xffffffff)
+
+/* -- API inline-functions -- */
+
+/*
+ * Gets the current value of the specified pin
+ */
+static inline enum msp_gpio_data msp_gpio_pin_get(unsigned int gpio)
+{
+	u32 pinhi_mask = 0, pinhi_mask2 = 0;
+
+	if (gpio >= MSP_NUM_GPIOS)
+		return MSP_GPIO_NONE;
+
+	if (gpio < 16) {
+		pinhi_mask = BASIC_DATA_MASK(gpio);
+	} else {
+		/*
+		 * Two cases are possible with the EXTENDED register:
+		 *  - In output mode (ENABLED flag set), check the CLR bit
+		 *  - In input mode (ENABLED flag not set), check the SET bit
+		 */
+		pinhi_mask = EXTENDED_ENABLE(gpio) | EXTENDED_CLR(gpio);
+		pinhi_mask2 = EXTENDED_SET(gpio);
+	}
+	if (((*MSP_GPIO_DATA_REGISTER[gpio] & pinhi_mask) == pinhi_mask) ||
+	    (*MSP_GPIO_DATA_REGISTER[gpio] & pinhi_mask2))
+		return MSP_GPIO_HI;
+	else
+		return MSP_GPIO_LO;
+}
+
+/* Sets the specified pin to the specified value */
+static inline void msp_gpio_pin_set(enum msp_gpio_data data, unsigned int gpio)
+{
+	if (gpio >= MSP_NUM_GPIOS)
+		return;
+
+	if (gpio < 16) {
+		if (data == MSP_GPIO_TOGGLE)
+			toggle_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+					BASIC_DATA_MASK(gpio));
+		else if (data == MSP_GPIO_HI)
+			set_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+					BASIC_DATA_MASK(gpio));
+		else
+			clear_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+					BASIC_DATA_MASK(gpio));
+	} else {
+		if (data == MSP_GPIO_TOGGLE) {
+			/* Special ugly case:
+			 *   We have to read the CLR bit.
+			 *   If set, we write the CLR bit.
+			 *   If not, we write the SET bit.
+			 */
+			u32 tmpdata;
+
+			custom_read_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+								tmpdata);
+			if (tmpdata & EXTENDED_CLR(gpio))
+				tmpdata = EXTENDED_CLR(gpio);
+			else
+				tmpdata = EXTENDED_SET(gpio);
+			custom_write_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+								tmpdata);
+		} else {
+			u32 newdata;
+
+			if (data == MSP_GPIO_HI)
+				newdata = EXTENDED_SET(gpio);
+			else
+				newdata = EXTENDED_CLR(gpio);
+			set_value_reg32(MSP_GPIO_DATA_REGISTER[gpio],
+						EXTENDED_FULL_MASK, newdata);
+		}
+	}
+}
+
+/* Sets the specified pin to the specified value */
+static inline void msp_gpio_pin_hi(unsigned int gpio)
+{
+	msp_gpio_pin_set(MSP_GPIO_HI, gpio);
+}
+
+/* Sets the specified pin to the specified value */
+static inline void msp_gpio_pin_lo(unsigned int gpio)
+{
+	msp_gpio_pin_set(MSP_GPIO_LO, gpio);
+}
+
+/* Sets the specified pin to the opposite value */
+static inline void msp_gpio_pin_toggle(unsigned int gpio)
+{
+	msp_gpio_pin_set(MSP_GPIO_TOGGLE, gpio);
+}
+
+/* Gets the mode of the specified pin */
+static inline enum msp_gpio_mode msp_gpio_pin_get_mode(unsigned int gpio)
+{
+	enum msp_gpio_mode retval = MSP_GPIO_UNKNOWN;
+	uint32_t data;
+
+	if (gpio >= MSP_NUM_GPIOS)
+		return retval;
+
+	data = *MSP_GPIO_MODE_REGISTER[gpio];
+
+	if (gpio < 16) {
+		retval = BASIC_MODE_FROM_REG(data, gpio);
+	} else {
+		/* Extended pins can only be either INPUT or OUTPUT */
+		if (data & EXTENDED_ENABLE(gpio))
+			retval = MSP_GPIO_OUTPUT;
+		else
+			retval = MSP_GPIO_INPUT;
+	}
+
+	return retval;
+}
+
+/*
+ * Sets the specified mode on the requested pin
+ * Returns 0 on success, or -1 if that mode is not allowed on this pin
+ */
+static inline int msp_gpio_pin_mode(enum msp_gpio_mode mode, unsigned int gpio)
+{
+	u32 modemask, newmode;
+
+	if ((1 << gpio) & ~MSP_GPIO_MODE_ALLOWED[mode])
+		return -1;
+
+	if (gpio >= MSP_NUM_GPIOS)
+		return -1;
+
+	if (gpio < 16) {
+		modemask = BASIC_MODE_MASK(gpio);
+		newmode =  BASIC_MODE(mode, gpio);
+	} else {
+		modemask = EXTENDED_FULL_MASK;
+		if (mode == MSP_GPIO_INPUT)
+			newmode = EXTENDED_DISABLE(gpio);
+		else
+			newmode = EXTENDED_ENABLE(gpio);
+	}
+	/* Do the set atomically */
+	set_value_reg32(MSP_GPIO_MODE_REGISTER[gpio], modemask, newmode);
+
+	return 0;
+}
+
+#endif /* __MSP_GPIO_MACROS_H__ */
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h
index 60a5a38dd5b2..7d41474e5488 100644
--- a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h
@@ -205,7 +205,7 @@ static inline u32 blocking_read_reg32(volatile u32 *const addr)
  *   custom_read_reg32(address, tmp);	<-- Reads the address and put the value
  *						in the 'tmp' variable given
  *
- *	From here on out, you are (basicly) atomic, so don't do anything too
+ *	From here on out, you are (basically) atomic, so don't do anything too
  *	fancy!
  *	Also, this code may loop if the end of this block fails to write
  *	everything back safely due do the other CPU, so do NOT do anything
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h
index 603eb737b4a8..692c1b658b92 100644
--- a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h
@@ -91,12 +91,10 @@
 					/* MAC C device registers       */
 #define MSP_ADSL2_BASE		(MSP_MSB_BASE + 0xA80000)
 					/* ADSL2 device registers       */
-#define MSP_USB_BASE		(MSP_MSB_BASE + 0xB40000)
-					/* USB device registers         */
-#define MSP_USB_BASE_START	(MSP_MSB_BASE + 0xB40100)
-					/* USB device registers         */
-#define MSP_USB_BASE_END	(MSP_MSB_BASE + 0xB401FF)
-					/* USB device registers         */
+#define MSP_USB0_BASE		(MSP_MSB_BASE + 0xB00000)
+					/* USB0 device registers        */
+#define MSP_USB1_BASE		(MSP_MSB_BASE + 0x300000)
+					/* USB1 device registers	*/
 #define MSP_CPUIF_BASE		(MSP_MSB_BASE + 0xC00000)
 					/* CPU interface registers      */
 
@@ -319,8 +317,11 @@
 #define CPU_ERR2_REG		regptr(MSP_SLP_BASE + 0x184)
 					/* CPU/SLP Error status 1       */
 
-#define EXTENDED_GPIO_REG	regptr(MSP_SLP_BASE + 0x188)
-					/* Extended GPIO register       */
+/* Extended GPIO registers       */
+#define EXTENDED_GPIO1_REG	regptr(MSP_SLP_BASE + 0x188)
+#define EXTENDED_GPIO2_REG	regptr(MSP_SLP_BASE + 0x18c)
+#define EXTENDED_GPIO_REG	EXTENDED_GPIO1_REG
+					/* Backward-compatibility	*/
 
 /* System Error registers */
 #define SLP_ERR_STS_REG		regptr(MSP_SLP_BASE + 0x190)
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/msp_usb.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_usb.h
new file mode 100644
index 000000000000..4c9348df9df2
--- /dev/null
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_usb.h
@@ -0,0 +1,144 @@
+/******************************************************************
+ * Copyright (c) 2000-2007 PMC-Sierra 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.
+ *
+ *     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, write to the Free
+ *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
+ *     02139, USA.
+ *
+ * PMC-SIERRA INC. DISCLAIMS ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS
+ * SOFTWARE.
+ */
+#ifndef MSP_USB_H_
+#define MSP_USB_H_
+
+#ifdef CONFIG_MSP_HAS_DUAL_USB
+#define NUM_USB_DEVS   2
+#else
+#define NUM_USB_DEVS   1
+#endif
+
+/* Register spaces for USB host 0 */
+#define MSP_USB0_MAB_START	(MSP_USB0_BASE + 0x0)
+#define MSP_USB0_MAB_END	(MSP_USB0_BASE + 0x17)
+#define MSP_USB0_ID_START	(MSP_USB0_BASE + 0x40000)
+#define MSP_USB0_ID_END		(MSP_USB0_BASE + 0x4008f)
+#define MSP_USB0_HS_START	(MSP_USB0_BASE + 0x40100)
+#define MSP_USB0_HS_END		(MSP_USB0_BASE + 0x401FF)
+
+/* Register spaces for USB host 1 */
+#define	MSP_USB1_MAB_START	(MSP_USB1_BASE + 0x0)
+#define MSP_USB1_MAB_END	(MSP_USB1_BASE + 0x17)
+#define MSP_USB1_ID_START	(MSP_USB1_BASE + 0x40000)
+#define MSP_USB1_ID_END		(MSP_USB1_BASE + 0x4008f)
+#define MSP_USB1_HS_START	(MSP_USB1_BASE + 0x40100)
+#define MSP_USB1_HS_END		(MSP_USB1_BASE + 0x401ff)
+
+/* USB Identification registers */
+struct msp_usbid_regs {
+	u32 id;		/* 0x0: Identification register */
+	u32 hwgen;	/* 0x4: General HW params */
+	u32 hwhost;	/* 0x8: Host HW params */
+	u32 hwdev;	/* 0xc: Device HW params */
+	u32 hwtxbuf;	/* 0x10: Tx buffer HW params */
+	u32 hwrxbuf;	/* 0x14: Rx buffer HW params */
+	u32 reserved[26];
+	u32 timer0_load; /* 0x80: General-purpose timer 0 load*/
+	u32 timer0_ctrl; /* 0x84: General-purpose timer 0 control */
+	u32 timer1_load; /* 0x88: General-purpose timer 1 load*/
+	u32 timer1_ctrl; /* 0x8c: General-purpose timer 1 control */
+};
+
+/* MSBus to AMBA registers */
+struct msp_mab_regs {
+	u32 isr;	/* 0x0: Interrupt status */
+	u32 imr;	/* 0x4: Interrupt mask */
+	u32 thcr0;	/* 0x8: Transaction header capture 0 */
+	u32 thcr1;	/* 0xc: Transaction header capture 1 */
+	u32 int_stat;	/* 0x10: Interrupt status summary */
+	u32 phy_cfg;	/* 0x14: USB phy config */
+};
+
+/* EHCI registers */
+struct msp_usbhs_regs {
+	u32 hciver;	/* 0x0: Version and offset to operational regs */
+	u32 hcsparams;	/* 0x4: Host control structural parameters */
+	u32 hccparams;	/* 0x8: Host control capability parameters */
+	u32 reserved0[5];
+	u32 dciver;	/* 0x20: Device interface version */
+	u32 dccparams;	/* 0x24: Device control capability parameters */
+	u32 reserved1[6];
+	u32 cmd;	/* 0x40: USB command */
+	u32 sts;	/* 0x44: USB status */
+	u32 int_ena;	/* 0x48: USB interrupt enable */
+	u32 frindex;	/* 0x4c: Frame index */
+	u32 reserved3;
+	union {
+		struct {
+			u32 flb_addr; /* 0x54: Frame list base address */
+			u32 next_async_addr; /* 0x58: next asynchronous addr */
+			u32 ttctrl; /* 0x5c: embedded transaction translator
+							async buffer status */
+			u32 burst_size; /* 0x60: Controller burst size */
+			u32 tx_fifo_ctrl; /* 0x64: Tx latency FIFO tuning */
+			u32 reserved0[4];
+			u32 endpt_nak; /* 0x78: Endpoint NAK */
+			u32 endpt_nak_ena; /* 0x7c: Endpoint NAK enable */
+			u32 cfg_flag; /* 0x80: Config flag */
+			u32 port_sc1; /* 0x84: Port status & control 1 */
+			u32 reserved1[7];
+			u32 otgsc;	/* 0xa4: OTG status & control */
+			u32 mode;	/* 0xa8: USB controller mode */
+		} host;
+
+		struct {
+			u32 dev_addr; /* 0x54: Device address */
+			u32 endpt_list_addr; /* 0x58: Endpoint list address */
+			u32 reserved0[7];
+			u32 endpt_nak;	/* 0x74 */
+			u32 endpt_nak_ctrl; /* 0x78 */
+			u32 cfg_flag; /* 0x80 */
+			u32 port_sc1; /* 0x84: Port status & control 1 */
+			u32 reserved[7];
+			u32 otgsc;	/* 0xa4: OTG status & control */
+			u32 mode;	/* 0xa8: USB controller mode */
+			u32 endpt_setup_stat; /* 0xac */
+			u32 endpt_prime; /* 0xb0 */
+			u32 endpt_flush; /* 0xb4 */
+			u32 endpt_stat; /* 0xb8 */
+			u32 endpt_complete; /* 0xbc */
+			u32 endpt_ctrl0; /* 0xc0 */
+			u32 endpt_ctrl1; /* 0xc4 */
+			u32 endpt_ctrl2; /* 0xc8 */
+			u32 endpt_ctrl3; /* 0xcc */
+		} device;
+	} u;
+};
+/*
+ * Container for the more-generic platform_device.
+ * This exists mainly as a way to map the non-standard register
+ * spaces and make them accessible to the USB ISR.
+ */
+struct mspusb_device {
+	struct msp_mab_regs   __iomem *mab_regs;
+	struct msp_usbid_regs __iomem *usbid_regs;
+	struct msp_usbhs_regs __iomem *usbhs_regs;
+	struct platform_device dev;
+};
+
+#define to_mspusb_device(x) container_of((x), struct mspusb_device, dev)
+#define TO_HOST_ID(x) ((x) & 0x3)
+#endif /*MSP_USB_H_*/
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index ead6928fa6b8..c104f1039a69 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -337,7 +337,7 @@ unsigned long get_wchan(struct task_struct *p);
 /*
  * Return_address is a replacement for __builtin_return_address(count)
  * which on certain architectures cannot reasonably be implemented in GCC
- * (MIPS, Alpha) or is unuseable with -fomit-frame-pointer (i386).
+ * (MIPS, Alpha) or is unusable with -fomit-frame-pointer (i386).
  * Note that __builtin_return_address(x>=1) is forbidden because GCC
  * aborts compilation on some CPUs.  It's simply not possible to unwind
  * some CPU's stackframes.
diff --git a/arch/mips/include/asm/sgi/ioc.h b/arch/mips/include/asm/sgi/ioc.h
index 57a971904cfe..380347b648e2 100644
--- a/arch/mips/include/asm/sgi/ioc.h
+++ b/arch/mips/include/asm/sgi/ioc.h
@@ -17,7 +17,7 @@
 #include <asm/sgi/pi1.h>
 
 /*
- * All registers are 8-bit wide alligned on 32-bit boundary. Bad things
+ * All registers are 8-bit wide aligned on 32-bit boundary. Bad things
  * happen if you try word access them. You have been warned.
  */
 
diff --git a/arch/mips/include/asm/sibyte/sb1250_mac.h b/arch/mips/include/asm/sibyte/sb1250_mac.h
index 591b9061fd8e..77f787284235 100644
--- a/arch/mips/include/asm/sibyte/sb1250_mac.h
+++ b/arch/mips/include/asm/sibyte/sb1250_mac.h
@@ -520,7 +520,7 @@
 #define G_MAC_RX_EOP_COUNTER(x)     _SB_GETVALUE(x, S_MAC_RX_EOP_COUNTER, M_MAC_RX_EOP_COUNTER)
 
 /*
- * MAC Recieve Address Filter Exact Match Registers (Table 9-21)
+ * MAC Receive Address Filter Exact Match Registers (Table 9-21)
  * Registers: MAC_ADDR0_0 through MAC_ADDR7_0
  * Registers: MAC_ADDR0_1 through MAC_ADDR7_1
  * Registers: MAC_ADDR0_2 through MAC_ADDR7_2
@@ -538,7 +538,7 @@
 /* No bitfields */
 
 /*
- * MAC Recieve Address Filter Hash Match Registers (Table 9-22)
+ * MAC Receive Address Filter Hash Match Registers (Table 9-22)
  * Registers: MAC_HASH0_0 through MAC_HASH7_0
  * Registers: MAC_HASH0_1 through MAC_HASH7_1
  * Registers: MAC_HASH0_2 through MAC_HASH7_2
diff --git a/arch/mips/include/asm/siginfo.h b/arch/mips/include/asm/siginfo.h
index 1ca64b4d33d9..20ebeb875ee6 100644
--- a/arch/mips/include/asm/siginfo.h
+++ b/arch/mips/include/asm/siginfo.h
@@ -101,7 +101,7 @@ typedef struct siginfo {
 
 /*
  * si_code values
- * Again these have been choosen to be IRIX compatible.
+ * Again these have been chosen to be IRIX compatible.
  */
 #undef SI_ASYNCIO
 #undef SI_TIMER
diff --git a/arch/mips/include/asm/sn/klconfig.h b/arch/mips/include/asm/sn/klconfig.h
index 09e590daca17..fe02900b930d 100644
--- a/arch/mips/include/asm/sn/klconfig.h
+++ b/arch/mips/include/asm/sn/klconfig.h
@@ -78,7 +78,7 @@ typedef s32 klconf_off_t;
  */
 #define MAX_SLOTS_PER_NODE	(1 + 2 + 6 + 2)
 
-/* XXX if each node is guranteed to have some memory */
+/* XXX if each node is guaranteed to have some memory */
 
 #define MAX_PCI_DEVS		8
 
@@ -539,7 +539,7 @@ typedef struct klinfo_s {                  /* Generic info */
 #define KLSTRUCT_IOC3_TTY 	24
 
 /* Early Access IO proms are compatible
-   only with KLSTRUCT values upto 24. */
+   only with KLSTRUCT values up to 24. */
 
 #define KLSTRUCT_FIBERCHANNEL 	25
 #define KLSTRUCT_MOD_SERIAL_NUM 26
diff --git a/arch/mips/include/asm/sn/sn0/hubio.h b/arch/mips/include/asm/sn/sn0/hubio.h
index 31c76c021bb6..46286d8302a7 100644
--- a/arch/mips/include/asm/sn/sn0/hubio.h
+++ b/arch/mips/include/asm/sn/sn0/hubio.h
@@ -622,7 +622,7 @@ typedef union h1_icrbb_u {
  */
 #define	IIO_ICRB_PROC0		0	/* Source of request is Proc 0 */
 #define	IIO_ICRB_PROC1		1	/* Source of request is Proc 1 */
-#define	IIO_ICRB_GB_REQ		2	/* Source is Guranteed BW request */
+#define	IIO_ICRB_GB_REQ		2	/* Source is Guaranteed BW request */
 #define	IIO_ICRB_IO_REQ		3	/* Source is Normal IO request	*/
 
 /*
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h
index 396e402fbe2c..ca61e846ab0f 100644
--- a/arch/mips/include/asm/spinlock.h
+++ b/arch/mips/include/asm/spinlock.h
@@ -245,16 +245,16 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
 		__asm__ __volatile__(
 		"	.set	noreorder	# arch_read_lock	\n"
 		"1:	ll	%1, %2					\n"
-		"	bltz	%1, 2f					\n"
+		"	bltz	%1, 3f					\n"
 		"	 addu	%1, 1					\n"
-		"	sc	%1, %0					\n"
+		"2:	sc	%1, %0					\n"
 		"	beqz	%1, 1b					\n"
 		"	 nop						\n"
 		"	.subsection 2					\n"
-		"2:	ll	%1, %2					\n"
-		"	bltz	%1, 2b					\n"
+		"3:	ll	%1, %2					\n"
+		"	bltz	%1, 3b					\n"
 		"	 addu	%1, 1					\n"
-		"	b	1b					\n"
+		"	b	2b					\n"
 		"	 nop						\n"
 		"	.previous					\n"
 		"	.set	reorder					\n"
@@ -324,16 +324,16 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
 		__asm__ __volatile__(
 		"	.set	noreorder	# arch_write_lock	\n"
 		"1:	ll	%1, %2					\n"
-		"	bnez	%1, 2f					\n"
+		"	bnez	%1, 3f					\n"
 		"	 lui	%1, 0x8000				\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 2f					\n"
+		"2:	sc	%1, %0					\n"
+		"	beqz	%1, 3f					\n"
 		"	 nop						\n"
 		"	.subsection 2					\n"
-		"2:	ll	%1, %2					\n"
-		"	bnez	%1, 2b					\n"
+		"3:	ll	%1, %2					\n"
+		"	bnez	%1, 3b					\n"
 		"	 lui	%1, 0x8000				\n"
-		"	b	1b					\n"
+		"	b	2b					\n"
 		"	 nop						\n"
 		"	.previous					\n"
 		"	.set	reorder					\n"
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 58730c5ce4bf..b4ba2449444b 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -346,7 +346,7 @@
 		 * we can't dispatch it directly without trashing
 		 * some registers, so we'll try to detect this unlikely
 		 * case and program a software interrupt in the VPE,
-		 * as would be done for a cross-VPE IPI.  To accomodate
+		 * as would be done for a cross-VPE IPI.  To accommodate
 		 * the handling of that case, we're doing a DVPE instead
 		 * of just a DMT here to protect against other threads.
 		 * This is a lot of cruft to cover a tiny window.
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index d309556cacf8..d71160de4d10 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -88,9 +88,11 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node) \
+		kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define alloc_thread_info_node(tsk, node) \
+		kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
 #endif
 
 #define free_thread_info(info) kfree(info)
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index 544a2854598f..533812b61881 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -33,14 +33,6 @@ typedef unsigned short umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \
-    || defined(CONFIG_64BIT)
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
-typedef u64 dma64_addr_t;
-
 /*
  * Don't use phys_t.  You've been warned.
  */
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 550725b881d5..fa2e37ea2be1 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -359,16 +359,20 @@
 #define __NR_fanotify_init		(__NR_Linux + 336)
 #define __NR_fanotify_mark		(__NR_Linux + 337)
 #define __NR_prlimit64			(__NR_Linux + 338)
+#define __NR_name_to_handle_at		(__NR_Linux + 339)
+#define __NR_open_by_handle_at		(__NR_Linux + 340)
+#define __NR_clock_adjtime		(__NR_Linux + 341)
+#define __NR_syncfs			(__NR_Linux + 342)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		338
+#define __NR_Linux_syscalls		342
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		338
+#define __NR_O32_Linux_syscalls		342
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -674,16 +678,20 @@
 #define __NR_fanotify_init		(__NR_Linux + 295)
 #define __NR_fanotify_mark		(__NR_Linux + 296)
 #define __NR_prlimit64			(__NR_Linux + 297)
+#define __NR_name_to_handle_at		(__NR_Linux + 298)
+#define __NR_open_by_handle_at		(__NR_Linux + 299)
+#define __NR_clock_adjtime		(__NR_Linux + 300)
+#define __NR_syncfs			(__NR_Linux + 301)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		297
+#define __NR_Linux_syscalls		301
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		297
+#define __NR_64_Linux_syscalls		301
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -994,16 +1002,20 @@
 #define __NR_fanotify_init		(__NR_Linux + 300)
 #define __NR_fanotify_mark		(__NR_Linux + 301)
 #define __NR_prlimit64			(__NR_Linux + 302)
+#define __NR_name_to_handle_at		(__NR_Linux + 303)
+#define __NR_open_by_handle_at		(__NR_Linux + 304)
+#define __NR_clock_adjtime		(__NR_Linux + 305)
+#define __NR_syncfs			(__NR_Linux + 306)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		302
+#define __NR_Linux_syscalls		306
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		302
+#define __NR_N32_Linux_syscalls		306
 
 #ifdef __KERNEL__
 
diff --git a/arch/mips/include/asm/war.h b/arch/mips/include/asm/war.h
index 22361d5e3bf0..fa133c1bc1f9 100644
--- a/arch/mips/include/asm/war.h
+++ b/arch/mips/include/asm/war.h
@@ -227,7 +227,7 @@
 #endif
 
 /*
- * On the R10000 upto version 2.6 (not sure about 2.7) there is a bug that
+ * On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
  * may cause ll / sc and lld / scd sequences to execute non-atomically.
  */
 #ifndef R10000_LLSC_WAR
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c
index 35b3e2f0af04..260df4750949 100644
--- a/arch/mips/jazz/irq.c
+++ b/arch/mips/jazz/irq.c
@@ -23,9 +23,9 @@
 
 static DEFINE_RAW_SPINLOCK(r4030_lock);
 
-static void enable_r4030_irq(unsigned int irq)
+static void enable_r4030_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - JAZZ_IRQ_START);
+	unsigned int mask = 1 << (d->irq - JAZZ_IRQ_START);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&r4030_lock, flags);
@@ -34,9 +34,9 @@ static void enable_r4030_irq(unsigned int irq)
 	raw_spin_unlock_irqrestore(&r4030_lock, flags);
 }
 
-void disable_r4030_irq(unsigned int irq)
+void disable_r4030_irq(struct irq_data *d)
 {
-	unsigned int mask = ~(1 << (irq - JAZZ_IRQ_START));
+	unsigned int mask = ~(1 << (d->irq - JAZZ_IRQ_START));
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&r4030_lock, flags);
@@ -47,10 +47,8 @@ void disable_r4030_irq(unsigned int irq)
 
 static struct irq_chip r4030_irq_type = {
 	.name = "R4030",
-	.ack = disable_r4030_irq,
-	.mask = disable_r4030_irq,
-	.mask_ack = disable_r4030_irq,
-	.unmask = enable_r4030_irq,
+	.irq_mask = disable_r4030_irq,
+	.irq_unmask = enable_r4030_irq,
 };
 
 void __init init_r4030_ints(void)
@@ -58,7 +56,7 @@ void __init init_r4030_ints(void)
 	int i;
 
 	for (i = JAZZ_IRQ_START; i <= JAZZ_IRQ_END; i++)
-		set_irq_chip_and_handler(i, &r4030_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &r4030_irq_type, handle_level_irq);
 
 	r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, 0);
 	r4030_read_reg16(JAZZ_IO_IRQ_SOURCE);		/* clear pending IRQs */
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index a604eaeb6c08..a9dff3321251 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -17,4 +17,4 @@ obj-$(CONFIG_JZ4740_QI_LB60)	+= board-qi_lb60.o
 
 obj-$(CONFIG_PM) += pm.o
 
-EXTRA_CFLAGS += -Werror -Wall
+ccflags-y := -Werror -Wall
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 2c0e107966ad..c3b04be3fb2b 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -23,6 +23,7 @@
 #include <linux/spi/spi_gpio.h>
 #include <linux/power_supply.h>
 #include <linux/power/jz4740-battery.h>
+#include <linux/power/gpio-charger.h>
 
 #include <asm/mach-jz4740/jz4740_fb.h>
 #include <asm/mach-jz4740/jz4740_mmc.h>
@@ -49,14 +50,14 @@ static bool is_avt2;
 
 /* NAND */
 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
-/*	.eccbytes = 36,
+	.eccbytes = 36,
 	.eccpos = {
 		6,  7,  8,  9,  10, 11, 12, 13,
 		14, 15, 16, 17, 18, 19, 20, 21,
 		22, 23, 24, 25, 26, 27, 28, 29,
 		30, 31, 32, 33, 34, 35, 36, 37,
 		38, 39, 40, 41
-	},*/
+	},
 	.oobfree = {
 		{ .offset = 2, .length = 4 },
 		{ .offset = 42, .length = 22 }
@@ -64,7 +65,7 @@ static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
 };
 
 /* Early prototypes of the QI LB60 had only 1GB of NAND.
- * In order to support these devices aswell the partition and ecc layout is
+ * In order to support these devices as well the partition and ecc layout is
  * initialized depending on the NAND size */
 static struct mtd_partition qi_lb60_partitions_1gb[] = {
 	{
@@ -85,7 +86,7 @@ static struct mtd_partition qi_lb60_partitions_1gb[] = {
 };
 
 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
-/*	.eccbytes = 72,
+	.eccbytes = 72,
 	.eccpos = {
 		12, 13, 14, 15, 16, 17, 18, 19,
 		20, 21, 22, 23, 24, 25, 26, 27,
@@ -96,7 +97,7 @@ static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
 		60, 61, 62, 63, 64, 65, 66, 67,
 		68, 69, 70, 71, 72, 73, 74, 75,
 		76, 77, 78, 79, 80, 81, 82, 83
-	},*/
+	},
 	.oobfree = {
 		{ .offset = 2, .length = 10 },
 		{ .offset = 84, .length = 44 },
@@ -396,6 +397,28 @@ static struct platform_device qi_lb60_pwm_beeper = {
 	},
 };
 
+/* charger */
+static char *qi_lb60_batteries[] = {
+	"battery",
+};
+
+static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
+	.name = "usb",
+	.type = POWER_SUPPLY_TYPE_USB,
+	.gpio = JZ_GPIO_PORTD(28),
+	.gpio_active_low = 1,
+	.supplied_to = qi_lb60_batteries,
+	.num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
+};
+
+static struct platform_device qi_lb60_charger_device = {
+	.name = "gpio-charger",
+	.dev = {
+		.platform_data = &qi_lb60_charger_pdata,
+	},
+};
+
+
 static struct platform_device *jz_platform_devices[] __initdata = {
 	&jz4740_udc_device,
 	&jz4740_mmc_device,
@@ -410,12 +433,13 @@ static struct platform_device *jz_platform_devices[] __initdata = {
 	&jz4740_adc_device,
 	&qi_lb60_gpio_keys,
 	&qi_lb60_pwm_beeper,
+	&qi_lb60_charger_device,
 };
 
 static void __init board_gpio_setup(void)
 {
 	/* We only need to enable/disable pullup here for pins used in generic
-	 * drivers. Everything else is done by the drivers themselfs. */
+	 * drivers. Everything else is done by the drivers themselves. */
 	jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
 	jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
 }
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 88e6aeda5bf1..73031f7fc827 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -86,7 +86,6 @@ struct jz_gpio_chip {
 	spinlock_t lock;
 
 	struct gpio_chip gpio_chip;
-	struct irq_chip irq_chip;
 	struct sys_device sysdev;
 };
 
@@ -102,9 +101,9 @@ static inline struct jz_gpio_chip *gpio_chip_to_jz_gpio_chip(struct gpio_chip *g
 	return container_of(gpio_chip, struct jz_gpio_chip, gpio_chip);
 }
 
-static inline struct jz_gpio_chip *irq_to_jz_gpio_chip(unsigned int irq)
+static inline struct jz_gpio_chip *irq_to_jz_gpio_chip(struct irq_data *data)
 {
-	return get_irq_chip_data(irq);
+	return irq_data_get_irq_chip_data(data);
 }
 
 static inline void jz_gpio_write_bit(unsigned int gpio, unsigned int reg)
@@ -307,7 +306,7 @@ static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
 	uint32_t flag;
 	unsigned int gpio_irq;
 	unsigned int gpio_bank;
-	struct jz_gpio_chip *chip = get_irq_desc_data(desc);
+	struct jz_gpio_chip *chip = irq_desc_get_handler_data(desc);
 
 	gpio_bank = JZ4740_IRQ_GPIO0 - irq;
 
@@ -325,62 +324,52 @@ static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
 	generic_handle_irq(gpio_irq);
 };
 
-static inline void jz_gpio_set_irq_bit(unsigned int irq, unsigned int reg)
+static inline void jz_gpio_set_irq_bit(struct irq_data *data, unsigned int reg)
 {
-	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(irq);
-	writel(IRQ_TO_BIT(irq), chip->base + reg);
+	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
+	writel(IRQ_TO_BIT(data->irq), chip->base + reg);
 }
 
-static void jz_gpio_irq_mask(unsigned int irq)
+static void jz_gpio_irq_mask(struct irq_data *data)
 {
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_MASK_SET);
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_MASK_SET);
 };
 
-static void jz_gpio_irq_unmask(unsigned int irq)
+static void jz_gpio_irq_unmask(struct irq_data *data)
 {
-	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(irq);
+	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
 
-	jz_gpio_check_trigger_both(chip, irq);
+	jz_gpio_check_trigger_both(chip, data->irq);
 
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_MASK_CLEAR);
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_MASK_CLEAR);
 };
 
 /* TODO: Check if function is gpio */
-static unsigned int jz_gpio_irq_startup(unsigned int irq)
+static unsigned int jz_gpio_irq_startup(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_SELECT_SET);
-
-	desc->status &= ~IRQ_MASKED;
-	jz_gpio_irq_unmask(irq);
-
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_SELECT_SET);
+	jz_gpio_irq_unmask(data);
 	return 0;
 }
 
-static void jz_gpio_irq_shutdown(unsigned int irq)
+static void jz_gpio_irq_shutdown(struct irq_data *data)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	jz_gpio_irq_mask(irq);
-	desc->status |= IRQ_MASKED;
+	jz_gpio_irq_mask(data);
 
 	/* Set direction to input */
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_DIRECTION_CLEAR);
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_SELECT_CLEAR);
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR);
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_SELECT_CLEAR);
 }
 
-static void jz_gpio_irq_ack(unsigned int irq)
+static void jz_gpio_irq_ack(struct irq_data *data)
 {
-	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_FLAG_CLEAR);
+	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_FLAG_CLEAR);
 };
 
-static int jz_gpio_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int jz_gpio_irq_set_type(struct irq_data *data, unsigned int flow_type)
 {
-	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(irq);
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	jz_gpio_irq_mask(irq);
+	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
+	unsigned int irq = data->irq;
 
 	if (flow_type == IRQ_TYPE_EDGE_BOTH) {
 		uint32_t value = readl(chip->base + JZ_REG_GPIO_PIN);
@@ -395,45 +384,54 @@ static int jz_gpio_irq_set_type(unsigned int irq, unsigned int flow_type)
 
 	switch (flow_type) {
 	case IRQ_TYPE_EDGE_RISING:
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_DIRECTION_SET);
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_TRIGGER_SET);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_SET);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_SET);
 		break;
 	case IRQ_TYPE_EDGE_FALLING:
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_DIRECTION_CLEAR);
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_TRIGGER_SET);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_SET);
 		break;
 	case IRQ_TYPE_LEVEL_HIGH:
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_DIRECTION_SET);
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_TRIGGER_CLEAR);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_SET);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_CLEAR);
 		break;
 	case IRQ_TYPE_LEVEL_LOW:
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_DIRECTION_CLEAR);
-		jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_TRIGGER_CLEAR);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR);
+		jz_gpio_set_irq_bit(data, JZ_REG_GPIO_TRIGGER_CLEAR);
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	if (!(desc->status & IRQ_MASKED))
-		jz_gpio_irq_unmask(irq);
-
 	return 0;
 }
 
-static int jz_gpio_irq_set_wake(unsigned int irq, unsigned int on)
+static int jz_gpio_irq_set_wake(struct irq_data *data, unsigned int on)
 {
-	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(irq);
+	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
 	spin_lock(&chip->lock);
 	if (on)
-		chip->wakeup |= IRQ_TO_BIT(irq);
+		chip->wakeup |= IRQ_TO_BIT(data->irq);
 	else
-		chip->wakeup &= ~IRQ_TO_BIT(irq);
+		chip->wakeup &= ~IRQ_TO_BIT(data->irq);
 	spin_unlock(&chip->lock);
 
-	set_irq_wake(chip->irq, on);
+	irq_set_irq_wake(chip->irq, on);
 	return 0;
 }
 
+static struct irq_chip jz_gpio_irq_chip = {
+	.name = "GPIO",
+	.irq_mask = jz_gpio_irq_mask,
+	.irq_unmask = jz_gpio_irq_unmask,
+	.irq_ack = jz_gpio_irq_ack,
+	.irq_startup = jz_gpio_irq_startup,
+	.irq_shutdown = jz_gpio_irq_shutdown,
+	.irq_set_type = jz_gpio_irq_set_type,
+	.irq_set_wake = jz_gpio_irq_set_wake,
+	.flags = IRQCHIP_SET_TYPE_MASKED,
+};
+
 /*
  * This lock class tells lockdep that GPIO irqs are in a different
  * category than their parents, so it won't report false recursion.
@@ -452,16 +450,6 @@ static struct lock_class_key gpio_lock_class;
 		.base = JZ4740_GPIO_BASE_ ## _bank, \
 		.ngpio = JZ4740_GPIO_NUM_ ## _bank, \
 	}, \
-	.irq_chip =  { \
-		.name = "GPIO Bank " # _bank, \
-		.mask = jz_gpio_irq_mask, \
-		.unmask = jz_gpio_irq_unmask, \
-		.ack = jz_gpio_irq_ack, \
-		.startup = jz_gpio_irq_startup, \
-		.shutdown = jz_gpio_irq_shutdown, \
-		.set_type = jz_gpio_irq_set_type, \
-		.set_wake = jz_gpio_irq_set_wake, \
-	}, \
 }
 
 static struct jz_gpio_chip jz4740_gpio_chips[] = {
@@ -522,13 +510,14 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
 	gpiochip_add(&chip->gpio_chip);
 
 	chip->irq = JZ4740_IRQ_INTC_GPIO(id);
-	set_irq_data(chip->irq, chip);
-	set_irq_chained_handler(chip->irq, jz_gpio_irq_demux_handler);
+	irq_set_handler_data(chip->irq, chip);
+	irq_set_chained_handler(chip->irq, jz_gpio_irq_demux_handler);
 
 	for (irq = chip->irq_base; irq < chip->irq_base + chip->gpio_chip.ngpio; ++irq) {
-		lockdep_set_class(&irq_desc[irq].lock, &gpio_lock_class);
-		set_irq_chip_data(irq, chip);
-		set_irq_chip_and_handler(irq, &chip->irq_chip, handle_level_irq);
+		irq_set_lockdep_class(irq, &gpio_lock_class);
+		irq_set_chip_data(irq, chip);
+		irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
+					 handle_level_irq);
 	}
 
 	return 0;
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index 7d33ff83580f..d82c0c430e03 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -43,32 +43,37 @@ static uint32_t jz_intc_saved;
 
 #define IRQ_BIT(x) BIT((x) - JZ4740_IRQ_BASE)
 
-static void intc_irq_unmask(unsigned int irq)
+static inline unsigned long intc_irq_bit(struct irq_data *data)
 {
-	writel(IRQ_BIT(irq), jz_intc_base + JZ_REG_INTC_CLEAR_MASK);
+	return (unsigned long)irq_data_get_irq_chip_data(data);
 }
 
-static void intc_irq_mask(unsigned int irq)
+static void intc_irq_unmask(struct irq_data *data)
 {
-	writel(IRQ_BIT(irq), jz_intc_base + JZ_REG_INTC_SET_MASK);
+	writel(intc_irq_bit(data), jz_intc_base + JZ_REG_INTC_CLEAR_MASK);
 }
 
-static int intc_irq_set_wake(unsigned int irq, unsigned int on)
+static void intc_irq_mask(struct irq_data *data)
+{
+	writel(intc_irq_bit(data), jz_intc_base + JZ_REG_INTC_SET_MASK);
+}
+
+static int intc_irq_set_wake(struct irq_data *data, unsigned int on)
 {
 	if (on)
-		jz_intc_wakeup |= IRQ_BIT(irq);
+		jz_intc_wakeup |= intc_irq_bit(data);
 	else
-		jz_intc_wakeup &= ~IRQ_BIT(irq);
+		jz_intc_wakeup &= ~intc_irq_bit(data);
 
 	return 0;
 }
 
 static struct irq_chip intc_irq_type = {
 	.name =		"INTC",
-	.mask =		intc_irq_mask,
-	.mask_ack =	intc_irq_mask,
-	.unmask =	intc_irq_unmask,
-	.set_wake =	intc_irq_set_wake,
+	.irq_mask =	intc_irq_mask,
+	.irq_mask_ack =	intc_irq_mask,
+	.irq_unmask =	intc_irq_unmask,
+	.irq_set_wake =	intc_irq_set_wake,
 };
 
 static irqreturn_t jz4740_cascade(int irq, void *data)
@@ -95,9 +100,12 @@ void __init arch_init_irq(void)
 
 	jz_intc_base = ioremap(JZ4740_INTC_BASE_ADDR, 0x14);
 
+	/* Mask all irqs */
+	writel(0xffffffff, jz_intc_base + JZ_REG_INTC_SET_MASK);
+
 	for (i = JZ4740_IRQ_BASE; i < JZ4740_IRQ_BASE + 32; i++) {
-		intc_irq_mask(i);
-		set_irq_chip_and_handler(i, &intc_irq_type, handle_level_irq);
+		irq_set_chip_data(i, (void *)IRQ_BIT(i));
+		irq_set_chip_and_handler(i, &intc_irq_type, handle_level_irq);
 	}
 
 	setup_irq(2, &jz4740_cascade_action);
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index b8bb8ba60869..f305ca14351b 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -73,7 +73,7 @@ static inline void mult_sh_align_mod(long *v1, long *v2, long *w,
 		: "0" (5), "1" (8), "2" (5));
 	align_mod(align, mod);
 	/*
-	 * The trailing nop is needed to fullfill the two-instruction
+	 * The trailing nop is needed to fulfill the two-instruction
 	 * requirement between reading hi/lo and staring a mult/div.
 	 * Leaving it out may cause gas insert a nop itself breaking
 	 * the desired alignment of the next chunk.
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index c58176cc796b..c018696765d4 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -31,19 +31,19 @@
 
 static int i8259A_auto_eoi = -1;
 DEFINE_RAW_SPINLOCK(i8259A_lock);
-static void disable_8259A_irq(unsigned int irq);
-static void enable_8259A_irq(unsigned int irq);
-static void mask_and_ack_8259A(unsigned int irq);
+static void disable_8259A_irq(struct irq_data *d);
+static void enable_8259A_irq(struct irq_data *d);
+static void mask_and_ack_8259A(struct irq_data *d);
 static void init_8259A(int auto_eoi);
 
 static struct irq_chip i8259A_chip = {
-	.name		= "XT-PIC",
-	.mask		= disable_8259A_irq,
-	.disable	= disable_8259A_irq,
-	.unmask		= enable_8259A_irq,
-	.mask_ack	= mask_and_ack_8259A,
+	.name			= "XT-PIC",
+	.irq_mask		= disable_8259A_irq,
+	.irq_disable		= disable_8259A_irq,
+	.irq_unmask		= enable_8259A_irq,
+	.irq_mask_ack		= mask_and_ack_8259A,
 #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
-	.set_affinity	= plat_set_irq_affinity,
+	.irq_set_affinity	= plat_set_irq_affinity,
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
 };
 
@@ -59,12 +59,11 @@ static unsigned int cached_irq_mask = 0xffff;
 #define cached_master_mask	(cached_irq_mask)
 #define cached_slave_mask	(cached_irq_mask >> 8)
 
-static void disable_8259A_irq(unsigned int irq)
+static void disable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	mask = 1 << irq;
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask |= mask;
@@ -75,12 +74,11 @@ static void disable_8259A_irq(unsigned int irq)
 	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-static void enable_8259A_irq(unsigned int irq)
+static void enable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	mask = ~(1 << irq);
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask &= mask;
@@ -112,7 +110,7 @@ int i8259A_irq_pending(unsigned int irq)
 void make_8259A_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
-	set_irq_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
+	irq_set_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
 	enable_irq(irq);
 }
 
@@ -145,12 +143,11 @@ static inline int i8259A_irq_real(unsigned int irq)
  * first, _then_ send the EOI, and the order of EOI
  * to the two 8259s is important!
  */
-static void mask_and_ack_8259A(unsigned int irq)
+static void mask_and_ack_8259A(struct irq_data *d)
 {
-	unsigned int irqmask;
+	unsigned int irqmask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	irqmask = 1 << irq;
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	/*
@@ -290,9 +287,9 @@ static void init_8259A(int auto_eoi)
 		 * In AEOI mode we just have to mask the interrupt
 		 * when acking.
 		 */
-		i8259A_chip.mask_ack = disable_8259A_irq;
+		i8259A_chip.irq_mask_ack = disable_8259A_irq;
 	else
-		i8259A_chip.mask_ack = mask_and_ack_8259A;
+		i8259A_chip.irq_mask_ack = mask_and_ack_8259A;
 
 	udelay(100);		/* wait for 8259A to initialize */
 
@@ -339,8 +336,8 @@ void __init init_i8259_irqs(void)
 	init_8259A(0);
 
 	for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++) {
-		set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq);
-		set_irq_probe(i);
+		irq_set_chip_and_handler(i, &i8259A_chip, handle_level_irq);
+		irq_set_probe(i);
 	}
 
 	setup_irq(I8259A_IRQ_BASE + PIC_CASCADE_IR, &irq2);
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 1774271af848..0c527f652196 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -87,17 +87,10 @@ unsigned int gic_get_int(void)
 	return i;
 }
 
-static unsigned int gic_irq_startup(unsigned int irq)
+static void gic_irq_ack(struct irq_data *d)
 {
-	irq -= _irqbase;
-	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
-	GIC_SET_INTR_MASK(irq);
-	return 0;
-}
+	unsigned int irq = d->irq - _irqbase;
 
-static void gic_irq_ack(unsigned int irq)
-{
-	irq -= _irqbase;
 	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
 	GIC_CLR_INTR_MASK(irq);
 
@@ -105,16 +98,16 @@ static void gic_irq_ack(unsigned int irq)
 		GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
 }
 
-static void gic_mask_irq(unsigned int irq)
+static void gic_mask_irq(struct irq_data *d)
 {
-	irq -= _irqbase;
+	unsigned int irq = d->irq - _irqbase;
 	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
 	GIC_CLR_INTR_MASK(irq);
 }
 
-static void gic_unmask_irq(unsigned int irq)
+static void gic_unmask_irq(struct irq_data *d)
 {
-	irq -= _irqbase;
+	unsigned int irq = d->irq - _irqbase;
 	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
 	GIC_SET_INTR_MASK(irq);
 }
@@ -123,13 +116,14 @@ static void gic_unmask_irq(unsigned int irq)
 
 static DEFINE_SPINLOCK(gic_lock);
 
-static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
+			    bool force)
 {
+	unsigned int irq = d->irq - _irqbase;
 	cpumask_t	tmp = CPU_MASK_NONE;
 	unsigned long	flags;
 	int		i;
 
-	irq -= _irqbase;
 	pr_debug("%s(%d) called\n", __func__, irq);
 	cpumask_and(&tmp, cpumask, cpu_online_mask);
 	if (cpus_empty(tmp))
@@ -147,23 +141,22 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
 		set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);
 
 	}
-	cpumask_copy(irq_desc[irq].affinity, cpumask);
+	cpumask_copy(d->affinity, cpumask);
 	spin_unlock_irqrestore(&gic_lock, flags);
 
-	return 0;
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 #endif
 
 static struct irq_chip gic_irq_controller = {
-	.name		=	"MIPS GIC",
-	.startup	=	gic_irq_startup,
-	.ack		=	gic_irq_ack,
-	.mask		=	gic_mask_irq,
-	.mask_ack	=	gic_mask_irq,
-	.unmask		=	gic_unmask_irq,
-	.eoi		=	gic_unmask_irq,
+	.name			=	"MIPS GIC",
+	.irq_ack		=	gic_irq_ack,
+	.irq_mask		=	gic_mask_irq,
+	.irq_mask_ack		=	gic_mask_irq,
+	.irq_unmask		=	gic_unmask_irq,
+	.irq_eoi		=	gic_unmask_irq,
 #ifdef CONFIG_SMP
-	.set_affinity	=	gic_set_affinity,
+	.irq_set_affinity	=	gic_set_affinity,
 #endif
 };
 
@@ -236,7 +229,7 @@ static void __init gic_basic_init(int numintrs, int numvpes,
 	vpe_local_setup(numvpes);
 
 	for (i = _irqbase; i < (_irqbase + numintrs); i++)
-		set_irq_chip(i, &gic_irq_controller);
+		irq_set_chip(i, &gic_irq_controller);
 }
 
 void __init gic_init(unsigned long gic_base_addr,
diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c
index 42ef81461bfc..883fc6cead36 100644
--- a/arch/mips/kernel/irq-gt641xx.c
+++ b/arch/mips/kernel/irq-gt641xx.c
@@ -29,64 +29,64 @@
 
 static DEFINE_RAW_SPINLOCK(gt641xx_irq_lock);
 
-static void ack_gt641xx_irq(unsigned int irq)
+static void ack_gt641xx_irq(struct irq_data *d)
 {
 	unsigned long flags;
 	u32 cause;
 
 	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
 	cause = GT_READ(GT_INTRCAUSE_OFS);
-	cause &= ~GT641XX_IRQ_TO_BIT(irq);
+	cause &= ~GT641XX_IRQ_TO_BIT(d->irq);
 	GT_WRITE(GT_INTRCAUSE_OFS, cause);
 	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
 }
 
-static void mask_gt641xx_irq(unsigned int irq)
+static void mask_gt641xx_irq(struct irq_data *d)
 {
 	unsigned long flags;
 	u32 mask;
 
 	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
 	mask = GT_READ(GT_INTRMASK_OFS);
-	mask &= ~GT641XX_IRQ_TO_BIT(irq);
+	mask &= ~GT641XX_IRQ_TO_BIT(d->irq);
 	GT_WRITE(GT_INTRMASK_OFS, mask);
 	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
 }
 
-static void mask_ack_gt641xx_irq(unsigned int irq)
+static void mask_ack_gt641xx_irq(struct irq_data *d)
 {
 	unsigned long flags;
 	u32 cause, mask;
 
 	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
 	mask = GT_READ(GT_INTRMASK_OFS);
-	mask &= ~GT641XX_IRQ_TO_BIT(irq);
+	mask &= ~GT641XX_IRQ_TO_BIT(d->irq);
 	GT_WRITE(GT_INTRMASK_OFS, mask);
 
 	cause = GT_READ(GT_INTRCAUSE_OFS);
-	cause &= ~GT641XX_IRQ_TO_BIT(irq);
+	cause &= ~GT641XX_IRQ_TO_BIT(d->irq);
 	GT_WRITE(GT_INTRCAUSE_OFS, cause);
 	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
 }
 
-static void unmask_gt641xx_irq(unsigned int irq)
+static void unmask_gt641xx_irq(struct irq_data *d)
 {
 	unsigned long flags;
 	u32 mask;
 
 	raw_spin_lock_irqsave(&gt641xx_irq_lock, flags);
 	mask = GT_READ(GT_INTRMASK_OFS);
-	mask |= GT641XX_IRQ_TO_BIT(irq);
+	mask |= GT641XX_IRQ_TO_BIT(d->irq);
 	GT_WRITE(GT_INTRMASK_OFS, mask);
 	raw_spin_unlock_irqrestore(&gt641xx_irq_lock, flags);
 }
 
 static struct irq_chip gt641xx_irq_chip = {
 	.name		= "GT641xx",
-	.ack		= ack_gt641xx_irq,
-	.mask		= mask_gt641xx_irq,
-	.mask_ack	= mask_ack_gt641xx_irq,
-	.unmask		= unmask_gt641xx_irq,
+	.irq_ack	= ack_gt641xx_irq,
+	.irq_mask	= mask_gt641xx_irq,
+	.irq_mask_ack	= mask_ack_gt641xx_irq,
+	.irq_unmask	= unmask_gt641xx_irq,
 };
 
 void gt641xx_irq_dispatch(void)
@@ -126,6 +126,6 @@ void __init gt641xx_irq_init(void)
 	 * bit31: logical or of bits[25:1].
 	 */
 	for (i = 1; i < 30; i++)
-		set_irq_chip_and_handler(GT641XX_IRQ_BASE + i,
-		                         &gt641xx_irq_chip, handle_level_irq);
+		irq_set_chip_and_handler(GT641XX_IRQ_BASE + i,
+					 &gt641xx_irq_chip, handle_level_irq);
 }
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
index 6a8cd28133d5..0c6afeed89d2 100644
--- a/arch/mips/kernel/irq-msc01.c
+++ b/arch/mips/kernel/irq-msc01.c
@@ -28,8 +28,10 @@ static unsigned long _icctrl_msc;
 static unsigned int irq_base;
 
 /* mask off an interrupt */
-static inline void mask_msc_irq(unsigned int irq)
+static inline void mask_msc_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	if (irq < (irq_base + 32))
 		MSCIC_WRITE(MSC01_IC_DISL, 1<<(irq - irq_base));
 	else
@@ -37,8 +39,10 @@ static inline void mask_msc_irq(unsigned int irq)
 }
 
 /* unmask an interrupt */
-static inline void unmask_msc_irq(unsigned int irq)
+static inline void unmask_msc_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	if (irq < (irq_base + 32))
 		MSCIC_WRITE(MSC01_IC_ENAL, 1<<(irq - irq_base));
 	else
@@ -48,9 +52,11 @@ static inline void unmask_msc_irq(unsigned int irq)
 /*
  * Masks and ACKs an IRQ
  */
-static void level_mask_and_ack_msc_irq(unsigned int irq)
+static void level_mask_and_ack_msc_irq(struct irq_data *d)
 {
-	mask_msc_irq(irq);
+	unsigned int irq = d->irq;
+
+	mask_msc_irq(d);
 	if (!cpu_has_veic)
 		MSCIC_WRITE(MSC01_IC_EOI, 0);
 	/* This actually needs to be a call into platform code */
@@ -60,9 +66,11 @@ static void level_mask_and_ack_msc_irq(unsigned int irq)
 /*
  * Masks and ACKs an IRQ
  */
-static void edge_mask_and_ack_msc_irq(unsigned int irq)
+static void edge_mask_and_ack_msc_irq(struct irq_data *d)
 {
-	mask_msc_irq(irq);
+	unsigned int irq = d->irq;
+
+	mask_msc_irq(d);
 	if (!cpu_has_veic)
 		MSCIC_WRITE(MSC01_IC_EOI, 0);
 	else {
@@ -75,15 +83,6 @@ static void edge_mask_and_ack_msc_irq(unsigned int irq)
 }
 
 /*
- * End IRQ processing
- */
-static void end_msc_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		unmask_msc_irq(irq);
-}
-
-/*
  * Interrupt handler for interrupts coming from SOC-it.
  */
 void ll_msc_irq(void)
@@ -107,22 +106,20 @@ static void msc_bind_eic_interrupt(int irq, int set)
 
 static struct irq_chip msc_levelirq_type = {
 	.name = "SOC-it-Level",
-	.ack = level_mask_and_ack_msc_irq,
-	.mask = mask_msc_irq,
-	.mask_ack = level_mask_and_ack_msc_irq,
-	.unmask = unmask_msc_irq,
-	.eoi = unmask_msc_irq,
-	.end = end_msc_irq,
+	.irq_ack = level_mask_and_ack_msc_irq,
+	.irq_mask = mask_msc_irq,
+	.irq_mask_ack = level_mask_and_ack_msc_irq,
+	.irq_unmask = unmask_msc_irq,
+	.irq_eoi = unmask_msc_irq,
 };
 
 static struct irq_chip msc_edgeirq_type = {
 	.name = "SOC-it-Edge",
-	.ack = edge_mask_and_ack_msc_irq,
-	.mask = mask_msc_irq,
-	.mask_ack = edge_mask_and_ack_msc_irq,
-	.unmask = unmask_msc_irq,
-	.eoi = unmask_msc_irq,
-	.end = end_msc_irq,
+	.irq_ack = edge_mask_and_ack_msc_irq,
+	.irq_mask = mask_msc_irq,
+	.irq_mask_ack = edge_mask_and_ack_msc_irq,
+	.irq_unmask = unmask_msc_irq,
+	.irq_eoi = unmask_msc_irq,
 };
 
 
@@ -140,16 +137,20 @@ void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqma
 
 		switch (imp->im_type) {
 		case MSC01_IRQ_EDGE:
-			set_irq_chip_and_handler_name(irqbase + n,
-				&msc_edgeirq_type, handle_edge_irq, "edge");
+			irq_set_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_and_handler_name(irqbase+n,
-				&msc_levelirq_type, handle_level_irq, "level");
+			irq_set_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-rm7000.c b/arch/mips/kernel/irq-rm7000.c
index 9731e8b47862..a8a8977d5887 100644
--- a/arch/mips/kernel/irq-rm7000.c
+++ b/arch/mips/kernel/irq-rm7000.c
@@ -18,23 +18,23 @@
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 
-static inline void unmask_rm7k_irq(unsigned int irq)
+static inline void unmask_rm7k_irq(struct irq_data *d)
 {
-	set_c0_intcontrol(0x100 << (irq - RM7K_CPU_IRQ_BASE));
+	set_c0_intcontrol(0x100 << (d->irq - RM7K_CPU_IRQ_BASE));
 }
 
-static inline void mask_rm7k_irq(unsigned int irq)
+static inline void mask_rm7k_irq(struct irq_data *d)
 {
-	clear_c0_intcontrol(0x100 << (irq - RM7K_CPU_IRQ_BASE));
+	clear_c0_intcontrol(0x100 << (d->irq - RM7K_CPU_IRQ_BASE));
 }
 
 static struct irq_chip rm7k_irq_controller = {
 	.name = "RM7000",
-	.ack = mask_rm7k_irq,
-	.mask = mask_rm7k_irq,
-	.mask_ack = mask_rm7k_irq,
-	.unmask = unmask_rm7k_irq,
-	.eoi	= unmask_rm7k_irq
+	.irq_ack = mask_rm7k_irq,
+	.irq_mask = mask_rm7k_irq,
+	.irq_mask_ack = mask_rm7k_irq,
+	.irq_unmask = unmask_rm7k_irq,
+	.irq_eoi = unmask_rm7k_irq
 };
 
 void __init rm7k_cpu_irq_init(void)
@@ -45,6 +45,6 @@ void __init rm7k_cpu_irq_init(void)
 	clear_c0_intcontrol(0x00000f00);		/* Mask all */
 
 	for (i = base; i < base + 4; i++)
-		set_irq_chip_and_handler(i, &rm7k_irq_controller,
+		irq_set_chip_and_handler(i, &rm7k_irq_controller,
 					 handle_percpu_irq);
 }
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index b7e4025b58a8..38874a4b9255 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -19,22 +19,22 @@
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 
-static inline void unmask_rm9k_irq(unsigned int irq)
+static inline void unmask_rm9k_irq(struct irq_data *d)
 {
-	set_c0_intcontrol(0x1000 << (irq - RM9K_CPU_IRQ_BASE));
+	set_c0_intcontrol(0x1000 << (d->irq - RM9K_CPU_IRQ_BASE));
 }
 
-static inline void mask_rm9k_irq(unsigned int irq)
+static inline void mask_rm9k_irq(struct irq_data *d)
 {
-	clear_c0_intcontrol(0x1000 << (irq - RM9K_CPU_IRQ_BASE));
+	clear_c0_intcontrol(0x1000 << (d->irq - RM9K_CPU_IRQ_BASE));
 }
 
-static inline void rm9k_cpu_irq_enable(unsigned int irq)
+static inline void rm9k_cpu_irq_enable(struct irq_data *d)
 {
 	unsigned long flags;
 
 	local_irq_save(flags);
-	unmask_rm9k_irq(irq);
+	unmask_rm9k_irq(d);
 	local_irq_restore(flags);
 }
 
@@ -43,50 +43,47 @@ static inline void rm9k_cpu_irq_enable(unsigned int irq)
  */
 static void local_rm9k_perfcounter_irq_startup(void *args)
 {
-	unsigned int irq = (unsigned int) args;
-
-	rm9k_cpu_irq_enable(irq);
+	rm9k_cpu_irq_enable(args);
 }
 
-static unsigned int rm9k_perfcounter_irq_startup(unsigned int irq)
+static unsigned int rm9k_perfcounter_irq_startup(struct irq_data *d)
 {
-	on_each_cpu(local_rm9k_perfcounter_irq_startup, (void *) irq, 1);
+	on_each_cpu(local_rm9k_perfcounter_irq_startup, d, 1);
 
 	return 0;
 }
 
 static void local_rm9k_perfcounter_irq_shutdown(void *args)
 {
-	unsigned int irq = (unsigned int) args;
 	unsigned long flags;
 
 	local_irq_save(flags);
-	mask_rm9k_irq(irq);
+	mask_rm9k_irq(args);
 	local_irq_restore(flags);
 }
 
-static void rm9k_perfcounter_irq_shutdown(unsigned int irq)
+static void rm9k_perfcounter_irq_shutdown(struct irq_data *d)
 {
-	on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 1);
+	on_each_cpu(local_rm9k_perfcounter_irq_shutdown, d, 1);
 }
 
 static struct irq_chip rm9k_irq_controller = {
 	.name = "RM9000",
-	.ack = mask_rm9k_irq,
-	.mask = mask_rm9k_irq,
-	.mask_ack = mask_rm9k_irq,
-	.unmask = unmask_rm9k_irq,
-	.eoi	= unmask_rm9k_irq
+	.irq_ack = mask_rm9k_irq,
+	.irq_mask = mask_rm9k_irq,
+	.irq_mask_ack = mask_rm9k_irq,
+	.irq_unmask = unmask_rm9k_irq,
+	.irq_eoi = unmask_rm9k_irq
 };
 
 static struct irq_chip rm9k_perfcounter_irq = {
 	.name = "RM9000",
-	.startup = rm9k_perfcounter_irq_startup,
-	.shutdown = rm9k_perfcounter_irq_shutdown,
-	.ack = mask_rm9k_irq,
-	.mask = mask_rm9k_irq,
-	.mask_ack = mask_rm9k_irq,
-	.unmask = unmask_rm9k_irq,
+	.irq_startup = rm9k_perfcounter_irq_startup,
+	.irq_shutdown = rm9k_perfcounter_irq_shutdown,
+	.irq_ack = mask_rm9k_irq,
+	.irq_mask = mask_rm9k_irq,
+	.irq_mask_ack = mask_rm9k_irq,
+	.irq_unmask = unmask_rm9k_irq,
 };
 
 unsigned int rm9000_perfcount_irq;
@@ -101,10 +98,10 @@ void __init rm9k_cpu_irq_init(void)
 	clear_c0_intcontrol(0x0000f000);		/* Mask all */
 
 	for (i = base; i < base + 4; i++)
-		set_irq_chip_and_handler(i, &rm9k_irq_controller,
+		irq_set_chip_and_handler(i, &rm9k_irq_controller,
 					 handle_level_irq);
 
 	rm9000_perfcount_irq = base + 1;
-	set_irq_chip_and_handler(rm9000_perfcount_irq, &rm9k_perfcounter_irq,
+	irq_set_chip_and_handler(rm9000_perfcount_irq, &rm9k_perfcounter_irq,
 				 handle_percpu_irq);
 }
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 4f93db58a79e..9b734d74ae8e 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -81,48 +81,9 @@ void ack_bad_irq(unsigned int irq)
 
 atomic_t irq_err_count;
 
-/*
- * Generic, controller-independent functions:
- */
-
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
-	int i = *(loff_t *) v, j;
-	struct irqaction * action;
-	unsigned long flags;
-
-	if (i == 0) {
-		seq_printf(p, "           ");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%d       ", j);
-		seq_putc(p, '\n');
-	}
-
-	if (i < NR_IRQS) {
-		raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
-		action = irq_desc[i].action;
-		if (!action)
-			goto skip;
-		seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
-		seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
-		seq_printf(p, " %14s", irq_desc[i].chip->name);
-		seq_printf(p, "  %s", action->name);
-
-		for (action=action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
-
-		seq_putc(p, '\n');
-skip:
-		raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	} else if (i == NR_IRQS) {
-		seq_putc(p, '\n');
-		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-	}
+	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
 	return 0;
 }
 
@@ -141,7 +102,7 @@ void __init init_IRQ(void)
 #endif
 
 	for (i = 0; i < NR_IRQS; i++)
-		set_irq_noprobe(i);
+		irq_set_noprobe(i);
 
 	arch_init_irq();
 
@@ -183,8 +144,8 @@ void __irq_entry do_IRQ(unsigned int irq)
 {
 	irq_enter();
 	check_stack_overflow();
-	__DO_IRQ_SMTC_HOOK(irq);
-	generic_handle_irq(irq);
+	if (!smtc_handle_on_other_cpu(irq))
+		generic_handle_irq(irq);
 	irq_exit();
 }
 
@@ -197,7 +158,7 @@ void __irq_entry do_IRQ(unsigned int irq)
 void __irq_entry do_IRQ_no_affinity(unsigned int irq)
 {
 	irq_enter();
-	__NO_AFFINITY_IRQ_SMTC_HOOK(irq);
+	smtc_im_backstop(irq);
 	generic_handle_irq(irq);
 	irq_exit();
 }
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 0262abe09121..6e71b284f6c9 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -37,42 +37,38 @@
 #include <asm/mipsmtregs.h>
 #include <asm/system.h>
 
-static inline void unmask_mips_irq(unsigned int irq)
+static inline void unmask_mips_irq(struct irq_data *d)
 {
-	set_c0_status(0x100 << (irq - MIPS_CPU_IRQ_BASE));
+	set_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
 	irq_enable_hazard();
 }
 
-static inline void mask_mips_irq(unsigned int irq)
+static inline void mask_mips_irq(struct irq_data *d)
 {
-	clear_c0_status(0x100 << (irq - MIPS_CPU_IRQ_BASE));
+	clear_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
 	irq_disable_hazard();
 }
 
 static struct irq_chip mips_cpu_irq_controller = {
 	.name		= "MIPS",
-	.ack		= mask_mips_irq,
-	.mask		= mask_mips_irq,
-	.mask_ack	= mask_mips_irq,
-	.unmask		= unmask_mips_irq,
-	.eoi		= unmask_mips_irq,
+	.irq_ack	= mask_mips_irq,
+	.irq_mask	= mask_mips_irq,
+	.irq_mask_ack	= mask_mips_irq,
+	.irq_unmask	= unmask_mips_irq,
+	.irq_eoi	= unmask_mips_irq,
 };
 
 /*
  * Basically the same as above but taking care of all the MT stuff
  */
 
-#define unmask_mips_mt_irq	unmask_mips_irq
-#define mask_mips_mt_irq	mask_mips_irq
-
-static unsigned int mips_mt_cpu_irq_startup(unsigned int irq)
+static unsigned int mips_mt_cpu_irq_startup(struct irq_data *d)
 {
 	unsigned int vpflags = dvpe();
 
-	clear_c0_cause(0x100 << (irq - MIPS_CPU_IRQ_BASE));
+	clear_c0_cause(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
 	evpe(vpflags);
-	unmask_mips_mt_irq(irq);
-
+	unmask_mips_irq(d);
 	return 0;
 }
 
@@ -80,22 +76,22 @@ static unsigned int mips_mt_cpu_irq_startup(unsigned int irq)
  * While we ack the interrupt interrupts are disabled and thus we don't need
  * to deal with concurrency issues.  Same for mips_cpu_irq_end.
  */
-static void mips_mt_cpu_irq_ack(unsigned int irq)
+static void mips_mt_cpu_irq_ack(struct irq_data *d)
 {
 	unsigned int vpflags = dvpe();
-	clear_c0_cause(0x100 << (irq - MIPS_CPU_IRQ_BASE));
+	clear_c0_cause(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
 	evpe(vpflags);
-	mask_mips_mt_irq(irq);
+	mask_mips_irq(d);
 }
 
 static struct irq_chip mips_mt_cpu_irq_controller = {
 	.name		= "MIPS",
-	.startup	= mips_mt_cpu_irq_startup,
-	.ack		= mips_mt_cpu_irq_ack,
-	.mask		= mask_mips_mt_irq,
-	.mask_ack	= mips_mt_cpu_irq_ack,
-	.unmask		= unmask_mips_mt_irq,
-	.eoi		= unmask_mips_mt_irq,
+	.irq_startup	= mips_mt_cpu_irq_startup,
+	.irq_ack	= mips_mt_cpu_irq_ack,
+	.irq_mask	= mask_mips_irq,
+	.irq_mask_ack	= mips_mt_cpu_irq_ack,
+	.irq_unmask	= unmask_mips_irq,
+	.irq_eoi	= unmask_mips_irq,
 };
 
 void __init mips_cpu_irq_init(void)
@@ -113,10 +109,10 @@ void __init mips_cpu_irq_init(void)
 	 */
 	if (cpu_has_mipsmt)
 		for (i = irq_base; i < irq_base + 2; i++)
-			set_irq_chip_and_handler(i, &mips_mt_cpu_irq_controller,
+			irq_set_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,
+		irq_set_chip_and_handler(i, &mips_cpu_irq_controller,
 					 handle_percpu_irq);
 }
diff --git a/arch/mips/kernel/irq_txx9.c b/arch/mips/kernel/irq_txx9.c
index 95a96f69172d..b0c55b50218e 100644
--- a/arch/mips/kernel/irq_txx9.c
+++ b/arch/mips/kernel/irq_txx9.c
@@ -63,9 +63,9 @@ static struct {
 	unsigned char mode;
 } txx9irq[TXx9_MAX_IR] __read_mostly;
 
-static void txx9_irq_unmask(unsigned int irq)
+static void txx9_irq_unmask(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 __iomem *ilrp = &txx9_ircptr->ilr[(irq_nr % 16 ) / 2];
 	int ofs = irq_nr / 16 * 16 + (irq_nr & 1) * 8;
 
@@ -79,9 +79,9 @@ static void txx9_irq_unmask(unsigned int irq)
 #endif
 }
 
-static inline void txx9_irq_mask(unsigned int irq)
+static inline void txx9_irq_mask(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 __iomem *ilrp = &txx9_ircptr->ilr[(irq_nr % 16) / 2];
 	int ofs = irq_nr / 16 * 16 + (irq_nr & 1) * 8;
 
@@ -99,19 +99,19 @@ static inline void txx9_irq_mask(unsigned int irq)
 #endif
 }
 
-static void txx9_irq_mask_ack(unsigned int irq)
+static void txx9_irq_mask_ack(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 
-	txx9_irq_mask(irq);
+	txx9_irq_mask(d);
 	/* clear edge detection */
 	if (unlikely(TXx9_IRCR_EDGE(txx9irq[irq_nr].mode)))
 		__raw_writel(TXx9_IRSCR_EIClrE | irq_nr, &txx9_ircptr->scr);
 }
 
-static int txx9_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int txx9_irq_set_type(struct irq_data *d, unsigned int flow_type)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 cr;
 	u32 __iomem *crp;
 	int ofs;
@@ -139,11 +139,11 @@ static int txx9_irq_set_type(unsigned int irq, unsigned int flow_type)
 
 static struct irq_chip txx9_irq_chip = {
 	.name		= "TXX9",
-	.ack		= txx9_irq_mask_ack,
-	.mask		= txx9_irq_mask,
-	.mask_ack	= txx9_irq_mask_ack,
-	.unmask		= txx9_irq_unmask,
-	.set_type	= txx9_irq_set_type,
+	.irq_ack	= txx9_irq_mask_ack,
+	.irq_mask	= txx9_irq_mask,
+	.irq_mask_ack	= txx9_irq_mask_ack,
+	.irq_unmask	= txx9_irq_unmask,
+	.irq_set_type	= txx9_irq_set_type,
 };
 
 void __init txx9_irq_init(unsigned long baseaddr)
@@ -154,8 +154,8 @@ void __init txx9_irq_init(unsigned long baseaddr)
 	for (i = 0; i < TXx9_MAX_IR; i++) {
 		txx9irq[i].level = 4; /* middle level */
 		txx9irq[i].mode = TXx9_IRCR_LOW;
-		set_irq_chip_and_handler(TXX9_IRQ_BASE + i,
-					 &txx9_irq_chip, handle_level_irq);
+		irq_set_chip_and_handler(TXX9_IRQ_BASE + i, &txx9_irq_chip,
+					 handle_level_irq);
 	}
 
 	/* mask all IRC interrupts */
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index d9a7db78ed62..75266ff4cc33 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -721,7 +721,7 @@ static void mipsxx_pmu_start(void)
 
 /*
  * MIPS performance counters can be per-TC. The control registers can
- * not be directly accessed accross CPUs. Hence if we want to do global
+ * not be directly accessed across CPUs. Hence if we want to do global
  * control, we need cross CPU calls. on_each_cpu() can help us, but we
  * can not make sure this function is called with interrupts enabled. So
  * here we pause local counters and then grab a rwlock and leave the
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index ae167df73ddd..d2112d3cf115 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -410,7 +410,7 @@ unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
 	if (!kallsyms_lookup_size_offset(pc, &size, &ofs))
 		return 0;
 	/*
-	 * Return ra if an exception occured at the first instruction
+	 * Return ra if an exception occurred at the first instruction
 	 */
 	if (unlikely(ofs == 0)) {
 		pc = *ra;
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index fbaabad0e6e2..7f5468b38d4c 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -586,6 +586,10 @@ einval:	li	v0, -ENOSYS
 	sys	sys_fanotify_init	2
 	sys	sys_fanotify_mark	6
 	sys	sys_prlimit64		4
+	sys	sys_name_to_handle_at	5
+	sys	sys_open_by_handle_at	3	/* 4340 */
+	sys	sys_clock_adjtime	2
+	sys	sys_syncfs		1
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 3f4179283207..a2e1fcbc41dc 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -425,4 +425,8 @@ sys_call_table:
 	PTR	sys_fanotify_init		/* 5295 */
 	PTR	sys_fanotify_mark
 	PTR	sys_prlimit64
+	PTR	sys_name_to_handle_at
+	PTR	sys_open_by_handle_at
+	PTR	sys_clock_adjtime		/* 5300 */
+	PTR	sys_syncfs
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index f08ece6d8acc..b2c7624995b8 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -425,4 +425,8 @@ EXPORT(sysn32_call_table)
 	PTR	sys_fanotify_init		/* 6300 */
 	PTR	sys_fanotify_mark
 	PTR	sys_prlimit64
+	PTR	sys_name_to_handle_at
+	PTR	sys_open_by_handle_at
+	PTR	compat_sys_clock_adjtime	/* 6305 */
+	PTR	sys_syncfs
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 78d768a3e19d..049a9c8c49a0 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -543,4 +543,8 @@ sys_call_table:
 	PTR	sys_fanotify_init
 	PTR	sys_32_fanotify_mark
 	PTR	sys_prlimit64
+	PTR	sys_name_to_handle_at
+	PTR	compat_sys_open_by_handle_at	/* 4340 */
+	PTR	compat_sys_clock_adjtime
+	PTR	sys_syncfs
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index c0e81418ba21..1ec56e635d04 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -120,7 +120,7 @@ static void vsmp_send_ipi_single(int cpu, unsigned int action)
 
 	local_irq_save(flags);
 
-	vpflags = dvpe();	/* cant access the other CPU's registers whilst MVPE enabled */
+	vpflags = dvpe();	/* can't access the other CPU's registers whilst MVPE enabled */
 
 	switch (action) {
 	case SMP_CALL_FUNCTION:
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 39c08254b0f1..5a88cc4ccd5a 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -677,8 +677,9 @@ void smtc_set_irq_affinity(unsigned int irq, cpumask_t affinity)
 	 */
 }
 
-void smtc_forward_irq(unsigned int irq)
+void smtc_forward_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
 	int target;
 
 	/*
@@ -692,7 +693,7 @@ void smtc_forward_irq(unsigned int irq)
 	 * and efficiency, we just pick the easiest one to find.
 	 */
 
-	target = cpumask_first(irq_desc[irq].affinity);
+	target = cpumask_first(d->affinity);
 
 	/*
 	 * We depend on the platform code to have correctly processed
@@ -707,12 +708,10 @@ void smtc_forward_irq(unsigned int irq)
 	 */
 
 	/* If no one is eligible, service locally */
-	if (target >= NR_CPUS) {
+	if (target >= NR_CPUS)
 		do_IRQ_no_affinity(irq);
-		return;
-	}
-
-	smtc_send_ipi(target, IRQ_AFFINITY_IPI, irq);
+	else
+		smtc_send_ipi(target, IRQ_AFFINITY_IPI, irq);
 }
 
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
@@ -1147,7 +1146,7 @@ static void setup_cross_vpe_interrupts(unsigned int nvpe)
 
 	setup_irq_smtc(cpu_ipi_irq, &irq_ipi, (0x100 << MIPS_CPU_IPI_IRQ));
 
-	set_irq_handler(cpu_ipi_irq, handle_percpu_irq);
+	irq_set_handler(cpu_ipi_irq, handle_percpu_irq);
 }
 
 /*
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index fb7497405510..1083ad4e1017 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -102,7 +102,7 @@ static __init int cpu_has_mfc0_count_bug(void)
 	case CPU_R4400SC:
 	case CPU_R4400MC:
 		/*
-		 * The published errata for the R4400 upto 3.0 say the CPU
+		 * The published errata for the R4400 up to 3.0 say the CPU
 		 * has the mfc0 from count bug.
 		 */
 		if ((current_cpu_data.processor_id & 0xff) <= 0x30)
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index ab52b7cf3b6b..dbb6b408f001 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -19,7 +19,7 @@
  * VPE support module
  *
  * Provides support for loading a MIPS SP program on VPE1.
- * The SP enviroment is rather simple, no tlb's.  It needs to be relocatable
+ * The SP environment is rather simple, no tlb's.  It needs to be relocatable
  * (or partially linked). You should initialise your stack in the startup
  * code. This loader looks for the symbol __start and sets up
  * execution to resume from there. The MIPS SDE kit contains suitable examples.
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index 1353fb135ed3..de4c165515d7 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/arch/mips/lasat/interrupt.c
@@ -32,24 +32,24 @@ static volatile int *lasat_int_status;
 static volatile int *lasat_int_mask;
 static volatile int lasat_int_mask_shift;
 
-void disable_lasat_irq(unsigned int irq_nr)
+void disable_lasat_irq(struct irq_data *d)
 {
-	irq_nr -= LASAT_IRQ_BASE;
+	unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
+
 	*lasat_int_mask &= ~(1 << irq_nr) << lasat_int_mask_shift;
 }
 
-void enable_lasat_irq(unsigned int irq_nr)
+void enable_lasat_irq(struct irq_data *d)
 {
-	irq_nr -= LASAT_IRQ_BASE;
+	unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
+
 	*lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
 }
 
 static struct irq_chip lasat_irq_type = {
 	.name = "Lasat",
-	.ack = disable_lasat_irq,
-	.mask = disable_lasat_irq,
-	.mask_ack = disable_lasat_irq,
-	.unmask = enable_lasat_irq,
+	.irq_mask = disable_lasat_irq,
+	.irq_unmask = enable_lasat_irq,
 };
 
 static inline int ls1bit32(unsigned int x)
@@ -128,7 +128,7 @@ void __init arch_init_irq(void)
 	mips_cpu_irq_init();
 
 	for (i = LASAT_IRQ_BASE; i <= LASAT_IRQ_END; i++)
-		set_irq_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
 
 	setup_irq(LASAT_CASCADE_IRQ, &cascade);
 }
diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S
index c768e3000616..64457162f7e0 100644
--- a/arch/mips/lib/strnlen_user.S
+++ b/arch/mips/lib/strnlen_user.S
@@ -17,7 +17,7 @@
 	.previous
 
 /*
- * Return the size of a string including the ending NUL character upto a
+ * Return the size of a string including the ending NUL character up to a
  * maximum of a1 or 0 in case of error.
  *
  * Note: for performance reasons we deliberately accept that a user may
diff --git a/arch/mips/loongson/common/bonito-irq.c b/arch/mips/loongson/common/bonito-irq.c
index 2dc2a4cc632a..f27d7ccca92a 100644
--- a/arch/mips/loongson/common/bonito-irq.c
+++ b/arch/mips/loongson/common/bonito-irq.c
@@ -16,24 +16,22 @@
 
 #include <loongson.h>
 
-static inline void bonito_irq_enable(unsigned int irq)
+static inline void bonito_irq_enable(struct irq_data *d)
 {
-	LOONGSON_INTENSET = (1 << (irq - LOONGSON_IRQ_BASE));
+	LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
 	mmiowb();
 }
 
-static inline void bonito_irq_disable(unsigned int irq)
+static inline void bonito_irq_disable(struct irq_data *d)
 {
-	LOONGSON_INTENCLR = (1 << (irq - LOONGSON_IRQ_BASE));
+	LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
 	mmiowb();
 }
 
 static struct irq_chip bonito_irq_type = {
-	.name	= "bonito_irq",
-	.ack	= bonito_irq_disable,
-	.mask	= bonito_irq_disable,
-	.mask_ack = bonito_irq_disable,
-	.unmask	= bonito_irq_enable,
+	.name		= "bonito_irq",
+	.irq_mask	= bonito_irq_disable,
+	.irq_unmask	= bonito_irq_enable,
 };
 
 static struct irqaction __maybe_unused dma_timeout_irqaction = {
@@ -46,7 +44,8 @@ void bonito_irq_init(void)
 	u32 i;
 
 	for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
-		set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &bonito_irq_type,
+					 handle_level_irq);
 
 #ifdef CONFIG_CPU_LOONGSON2E
 	setup_irq(LOONGSON_IRQ_BASE + 10, &dma_timeout_irqaction);
diff --git a/arch/mips/math-emu/dp_fsp.c b/arch/mips/math-emu/dp_fsp.c
index 1dfbd92ba9d0..daed6834dc15 100644
--- a/arch/mips/math-emu/dp_fsp.c
+++ b/arch/mips/math-emu/dp_fsp.c
@@ -62,7 +62,7 @@ ieee754dp ieee754dp_fsp(ieee754sp x)
 		break;
 	}
 
-	/* CANT possibly overflow,underflow, or need rounding
+	/* CAN'T possibly overflow,underflow, or need rounding
 	 */
 
 	/* drop the hidden bit */
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index aa566e785f5a..09175f461920 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -104,7 +104,7 @@ ieee754dp ieee754dp_mul(ieee754dp x, ieee754dp y)
 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):
 		break;
 	}
-	/* rm = xm * ym, re = xe+ye basicly */
+	/* rm = xm * ym, re = xe+ye basically */
 	assert(xm & DP_HIDDEN_BIT);
 	assert(ym & DP_HIDDEN_BIT);
 	{
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 36d975ae08f8..3c4a8c5ba7f2 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -32,7 +32,7 @@
  * not change cp0_epc due to the instruction
  *
  * According to the spec:
- * 1) it shouldnt be a branch :-)
+ * 1) it shouldn't be a branch :-)
  * 2) it can be a COP instruction :-(
  * 3) if we are tring to run a protected memory space we must take
  *    special care on memory access instructions :-(
diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
index c06bb4022be5..2722a2570ea4 100644
--- a/arch/mips/math-emu/sp_mul.c
+++ b/arch/mips/math-emu/sp_mul.c
@@ -104,7 +104,7 @@ ieee754sp ieee754sp_mul(ieee754sp x, ieee754sp y)
 	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):
 		break;
 	}
-	/* rm = xm * ym, re = xe+ye basicly */
+	/* rm = xm * ym, re = xe+ye basically */
 	assert(xm & SP_HIDDEN_BIT);
 	assert(ym & SP_HIDDEN_BIT);
 
diff --git a/arch/mips/mipssim/sim_smtc.c b/arch/mips/mipssim/sim_smtc.c
index 5da30b6a65b7..30df47258c2c 100644
--- a/arch/mips/mipssim/sim_smtc.c
+++ b/arch/mips/mipssim/sim_smtc.c
@@ -27,6 +27,7 @@
 #include <asm/atomic.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
+#include <asm/smtc.h>
 #include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/smtc_ipi.h>
@@ -57,8 +58,6 @@ static inline void ssmtc_send_ipi_mask(const struct cpumask *mask,
  */
 static void __cpuinit ssmtc_init_secondary(void)
 {
-	void smtc_init_secondary(void);
-
 	smtc_init_secondary();
 }
 
diff --git a/arch/mips/mm/cex-sb1.S b/arch/mips/mm/cex-sb1.S
index 2d08268bb705..89c412bc4b64 100644
--- a/arch/mips/mm/cex-sb1.S
+++ b/arch/mips/mm/cex-sb1.S
@@ -79,7 +79,7 @@ LEAF(except_vec2_sb1)
 recovered_dcache:
 	/*
 	 * Unlock CacheErr-D (which in turn unlocks CacheErr-DPA).
-	 * Ought to log the occurence of this recovered dcache error.
+	 * Ought to log the occurrence of this recovered dcache error.
 	 */
 	b	recovered
 	 mtc0	$0,C0_CERR_D
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 04f9e17db9d0..5ef294fbb6e7 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -352,7 +352,7 @@ static void __cpuinit __maybe_unused build_tlb_probe_entry(u32 **p)
 
 /*
  * Write random or indexed TLB entry, and care about the hazards from
- * the preceeding mtc0 and for the following eret.
+ * the preceding mtc0 and for the following eret.
  */
 enum tlb_write_entry { tlb_random, tlb_indexed };
 
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index b79b24afe3a2..9027061f0ead 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -472,7 +472,7 @@ static void __init fill_ipi_map(void)
 void __init arch_init_ipiirq(int irq, struct irqaction *action)
 {
 	setup_irq(irq, action);
-	set_irq_handler(irq, handle_percpu_irq);
+	irq_set_handler(irq, handle_percpu_irq);
 }
 
 void __init arch_init_irq(void)
diff --git a/arch/mips/mti-malta/malta-smtc.c b/arch/mips/mti-malta/malta-smtc.c
index 192cfd2a539c..49a38b09a488 100644
--- a/arch/mips/mti-malta/malta-smtc.c
+++ b/arch/mips/mti-malta/malta-smtc.c
@@ -34,7 +34,6 @@ static void msmtc_send_ipi_mask(const struct cpumask *mask, unsigned int action)
  */
 static void __cpuinit msmtc_init_secondary(void)
 {
-	void smtc_init_secondary(void);
 	int myvpe;
 
 	/* Don't enable Malta I/O interrupts (IP2) for secondary VPEs */
@@ -114,7 +113,8 @@ struct plat_smp_ops msmtc_smp_ops = {
  */
 
 
-int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
+int plat_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity,
+			  bool force)
 {
 	cpumask_t tmask;
 	int cpu = 0;
@@ -130,7 +130,7 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 	 * cleared in the affinity mask, there will never be any
 	 * interrupt forwarding.  But as soon as a program or operator
 	 * sets affinity for one of the related IRQs, we need to make
-	 * sure that we don't ever try to forward across the VPE boundry,
+	 * sure that we don't ever try to forward across the VPE boundary,
 	 * at least not until we engineer a system where the interrupt
 	 * _ack() or _end() function can somehow know that it corresponds
 	 * to an interrupt taken on another VPE, and perform the appropriate
@@ -144,7 +144,7 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 		if ((cpu_data[cpu].vpe_id != 0) || !cpu_online(cpu))
 			cpu_clear(cpu, tmask);
 	}
-	cpumask_copy(irq_desc[irq].affinity, &tmask);
+	cpumask_copy(d->affinity, &tmask);
 
 	if (cpus_empty(tmask))
 		/*
@@ -155,8 +155,8 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 			"IRQ affinity leaves no legal CPU for IRQ %d\n", irq);
 
 	/* Do any generic SMTC IRQ affinity setup */
-	smtc_set_irq_affinity(irq, tmask);
+	smtc_set_irq_affinity(d->irq, tmask);
 
-	return 0;
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index 3c6f190aa61c..1620b83cd13e 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -119,7 +119,7 @@ static void __init plat_perf_setup(void)
 			set_vi_handler(cp0_perfcount_irq, mips_perf_dispatch);
 		mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
 #ifdef CONFIG_SMP
-		set_irq_handler(mips_cpu_perf_irq, handle_percpu_irq);
+		irq_set_handler(mips_cpu_perf_irq, handle_percpu_irq);
 #endif
 	}
 }
diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile
index 02cc65e52d11..4b9d7044e26c 100644
--- a/arch/mips/oprofile/Makefile
+++ b/arch/mips/oprofile/Makefile
@@ -1,4 +1,4 @@
-EXTRA_CFLAGS := -Werror
+ccflags-y := -Werror
 
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
diff --git a/arch/mips/pci/msi-octeon.c b/arch/mips/pci/msi-octeon.c
index d8080499872a..5d530f89d872 100644
--- a/arch/mips/pci/msi-octeon.c
+++ b/arch/mips/pci/msi-octeon.c
@@ -172,7 +172,7 @@ msi_irq_allocated:
 	pci_write_config_word(dev, desc->msi_attrib.pos + PCI_MSI_FLAGS,
 			      control);
 
-	set_irq_msi(irq, desc);
+	irq_set_msi_desc(irq, desc);
 	write_msi_msg(irq, &msg);
 	return 0;
 }
@@ -259,11 +259,11 @@ static DEFINE_RAW_SPINLOCK(octeon_irq_msi_lock);
 static u64 msi_rcv_reg[4];
 static u64 mis_ena_reg[4];
 
-static void octeon_irq_msi_enable_pcie(unsigned int irq)
+static void octeon_irq_msi_enable_pcie(struct irq_data *data)
 {
 	u64 en;
 	unsigned long flags;
-	int msi_number = irq - OCTEON_IRQ_MSI_BIT0;
+	int msi_number = data->irq - OCTEON_IRQ_MSI_BIT0;
 	int irq_index = msi_number >> 6;
 	int irq_bit = msi_number & 0x3f;
 
@@ -275,11 +275,11 @@ static void octeon_irq_msi_enable_pcie(unsigned int irq)
 	raw_spin_unlock_irqrestore(&octeon_irq_msi_lock, flags);
 }
 
-static void octeon_irq_msi_disable_pcie(unsigned int irq)
+static void octeon_irq_msi_disable_pcie(struct irq_data *data)
 {
 	u64 en;
 	unsigned long flags;
-	int msi_number = irq - OCTEON_IRQ_MSI_BIT0;
+	int msi_number = data->irq - OCTEON_IRQ_MSI_BIT0;
 	int irq_index = msi_number >> 6;
 	int irq_bit = msi_number & 0x3f;
 
@@ -293,11 +293,11 @@ static void octeon_irq_msi_disable_pcie(unsigned int irq)
 
 static struct irq_chip octeon_irq_chip_msi_pcie = {
 	.name = "MSI",
-	.enable = octeon_irq_msi_enable_pcie,
-	.disable = octeon_irq_msi_disable_pcie,
+	.irq_enable = octeon_irq_msi_enable_pcie,
+	.irq_disable = octeon_irq_msi_disable_pcie,
 };
 
-static void octeon_irq_msi_enable_pci(unsigned int irq)
+static void octeon_irq_msi_enable_pci(struct irq_data *data)
 {
 	/*
 	 * Octeon PCI doesn't have the ability to mask/unmask MSI
@@ -308,15 +308,15 @@ static void octeon_irq_msi_enable_pci(unsigned int irq)
 	 */
 }
 
-static void octeon_irq_msi_disable_pci(unsigned int irq)
+static void octeon_irq_msi_disable_pci(struct irq_data *data)
 {
 	/* See comment in enable */
 }
 
 static struct irq_chip octeon_irq_chip_msi_pci = {
 	.name = "MSI",
-	.enable = octeon_irq_msi_enable_pci,
-	.disable = octeon_irq_msi_disable_pci,
+	.irq_enable = octeon_irq_msi_enable_pci,
+	.irq_disable = octeon_irq_msi_disable_pci,
 };
 
 /*
@@ -388,7 +388,7 @@ int __init octeon_msi_initialize(void)
 	}
 
 	for (irq = OCTEON_IRQ_MSI_BIT0; irq <= OCTEON_IRQ_MSI_LAST; irq++)
-		set_irq_chip_and_handler(irq, msi, handle_simple_irq);
+		irq_set_chip_and_handler(irq, msi, handle_simple_irq);
 
 	if (octeon_has_feature(OCTEON_FEATURE_PCIE)) {
 		if (request_irq(OCTEON_IRQ_PCI_MSI0, octeon_msi_interrupt0,
diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c
index 68798f869c0f..8fbfbf2b931c 100644
--- a/arch/mips/pci/ops-pmcmsp.c
+++ b/arch/mips/pci/ops-pmcmsp.c
@@ -344,7 +344,7 @@ static irqreturn_t bpci_interrupt(int irq, void *dev_id)
  *                              PCI_ACCESS_WRITE and PCI_ACCESS_READ.
  *
  *               bus          - pointer to the bus number of the device to
- *                              be targetted for the configuration cycle.
+ *                              be targeted for the configuration cycle.
  *                              The only element of the pci_bus structure
  *                              used is bus->number. This argument determines
  *                              if the configuration access will be Type 0 or
@@ -354,7 +354,7 @@ static irqreturn_t bpci_interrupt(int irq, void *dev_id)
  *
  *               devfn        - this is an 8-bit field. The lower three bits
  *                              specify the function number of the device to
- *                              be targetted for the configuration cycle, with
+ *                              be targeted for the configuration cycle, with
  *                              all three-bit combinations being legal. The
  *                              upper five bits specify the device number,
  *                              with legal values being 10 to 31.
diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c
index 6f5e24c6ae67..af8c31996965 100644
--- a/arch/mips/pci/pci-bcm1480.c
+++ b/arch/mips/pci/pci-bcm1480.c
@@ -210,7 +210,7 @@ static int __init bcm1480_pcibios_init(void)
 	PCIBIOS_MIN_IO = 0x00008000UL;
 	PCIBIOS_MIN_MEM = 0x01000000UL;
 
-	/* Set I/O resource limits. - unlimited for now to accomodate HT */
+	/* Set I/O resource limits. - unlimited for now to accommodate HT */
 	ioport_resource.end = 0xffffffffUL;
 	iomem_resource.end = 0xffffffffUL;
 
diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c
index 2d74fc9ae3ba..ed1c54284b8f 100644
--- a/arch/mips/pci/pci-octeon.c
+++ b/arch/mips/pci/pci-octeon.c
@@ -441,7 +441,7 @@ static void octeon_pci_initialize(void)
 
 	/*
 	 * TDOMC must be set to one in PCI mode. TDOMC should be set to 4
-	 * in PCI-X mode to allow four oustanding splits. Otherwise,
+	 * in PCI-X mode to allow four outstanding splits. Otherwise,
 	 * should not change from its reset value. Don't write PCI_CFG19
 	 * in PCI mode (0x82000001 reset value), write it to 0x82000004
 	 * after PCI-X mode is known. MRBCI,MDWE,MDRE -> must be zero.
@@ -515,7 +515,7 @@ static void octeon_pci_initialize(void)
 #endif	/* USE_OCTEON_INTERNAL_ARBITER */
 
 	/*
-	 * Preferrably written to 1 to set MLTD. [RDSATI,TRTAE,
+	 * Preferably written to 1 to set MLTD. [RDSATI,TRTAE,
 	 * TWTAE,TMAE,DPPMR -> must be zero. TILT -> must not be set to
 	 * 1..7.
 	 */
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 38bc28005b4a..33bba7bff258 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -125,7 +125,7 @@ void __devinit register_pci_controller(struct pci_controller *hose)
 	hose_tail = &hose->next;
 
 	/*
-	 * Do not panic here but later - this might hapen before console init.
+	 * Do not panic here but later - this might happen before console init.
 	 */
 	if (!hose->io_map_base) {
 		printk(KERN_WARNING
diff --git a/arch/mips/pmc-sierra/Kconfig b/arch/mips/pmc-sierra/Kconfig
index 8d798497c614..bbd76082fa8c 100644
--- a/arch/mips/pmc-sierra/Kconfig
+++ b/arch/mips/pmc-sierra/Kconfig
@@ -23,6 +23,8 @@ config PMC_MSP7120_GW
 	select SYS_SUPPORTS_MULTITHREADING
 	select IRQ_MSP_CIC
 	select HW_HAS_PCI
+	select MSP_HAS_USB
+	select MSP_ETH
 
 config PMC_MSP7120_FPGA
 	bool "PMC-Sierra MSP7120 FPGA"
@@ -35,3 +37,16 @@ endchoice
 config HYPERTRANSPORT
 	bool "Hypertransport Support for PMC-Sierra Yosemite"
 	depends on PMC_YOSEMITE
+
+config MSP_HAS_USB
+	boolean
+	depends on PMC_MSP
+
+config MSP_ETH
+	boolean
+	select MSP_HAS_MAC
+	depends on PMC_MSP
+
+config MSP_HAS_MAC
+	boolean
+	depends on PMC_MSP
diff --git a/arch/mips/pmc-sierra/msp71xx/Makefile b/arch/mips/pmc-sierra/msp71xx/Makefile
index e107f79b1491..cefba7733b73 100644
--- a/arch/mips/pmc-sierra/msp71xx/Makefile
+++ b/arch/mips/pmc-sierra/msp71xx/Makefile
@@ -6,7 +6,9 @@ obj-y += msp_prom.o msp_setup.o msp_irq.o \
 obj-$(CONFIG_HAVE_GPIO_LIB) += gpio.o gpio_extended.o
 obj-$(CONFIG_PMC_MSP7120_GW) += msp_hwbutton.o
 obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o
-obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o
+obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o msp_irq_per.o
 obj-$(CONFIG_PCI) += msp_pci.o
-obj-$(CONFIG_MSPETH) += msp_eth.o
-obj-$(CONFIG_USB_MSP71XX) += msp_usb.o
+obj-$(CONFIG_MSP_HAS_MAC) += msp_eth.o
+obj-$(CONFIG_MSP_HAS_USB) += msp_usb.o
+obj-$(CONFIG_MIPS_MT_SMP) += msp_smp.o
+obj-$(CONFIG_MIPS_MT_SMTC) += msp_smtc.o
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_eth.c b/arch/mips/pmc-sierra/msp71xx/msp_eth.c
new file mode 100644
index 000000000000..c584df393de2
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_eth.c
@@ -0,0 +1,187 @@
+/*
+ * The setup file for ethernet related hardware on PMC-Sierra MSP processors.
+ *
+ * Copyright 2010 PMC-Sierra, 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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <msp_regs.h>
+#include <msp_int.h>
+#include <msp_gpio_macros.h>
+
+
+#define MSP_ETHERNET_GPIO0	14
+#define MSP_ETHERNET_GPIO1	15
+#define MSP_ETHERNET_GPIO2	16
+
+#ifdef CONFIG_MSP_HAS_TSMAC
+#define MSP_TSMAC_SIZE	0x10020
+#define MSP_TSMAC_ID	"pmc_tsmac"
+
+static struct resource msp_tsmac0_resources[] = {
+	[0] = {
+		.start	= MSP_MAC0_BASE,
+		.end	= MSP_MAC0_BASE + MSP_TSMAC_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= MSP_INT_MAC0,
+		.end	= MSP_INT_MAC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource msp_tsmac1_resources[] = {
+	[0] = {
+		.start	= MSP_MAC1_BASE,
+		.end	= MSP_MAC1_BASE + MSP_TSMAC_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= MSP_INT_MAC1,
+		.end	= MSP_INT_MAC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+static struct resource msp_tsmac2_resources[] = {
+	[0] = {
+		.start	= MSP_MAC2_BASE,
+		.end	= MSP_MAC2_BASE + MSP_TSMAC_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= MSP_INT_SAR,
+		.end	= MSP_INT_SAR,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+
+static struct platform_device tsmac_device[] = {
+	[0] = {
+		.name	= MSP_TSMAC_ID,
+		.id	= 0,
+		.num_resources = ARRAY_SIZE(msp_tsmac0_resources),
+		.resource = msp_tsmac0_resources,
+	},
+	[1] = {
+		.name	= MSP_TSMAC_ID,
+		.id	= 1,
+		.num_resources = ARRAY_SIZE(msp_tsmac1_resources),
+		.resource = msp_tsmac1_resources,
+	},
+	[2] = {
+		.name	= MSP_TSMAC_ID,
+		.id	= 2,
+		.num_resources = ARRAY_SIZE(msp_tsmac2_resources),
+		.resource = msp_tsmac2_resources,
+	},
+};
+#define msp_eth_devs	tsmac_device
+
+#else
+/* If it is not TSMAC assume MSP_ETH (100Mbps) */
+#define MSP_ETH_ID	"pmc_mspeth"
+#define MSP_ETH_SIZE	0xE0
+static struct resource msp_eth0_resources[] = {
+	[0] = {
+		.start	= MSP_MAC0_BASE,
+		.end	= MSP_MAC0_BASE + MSP_ETH_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= MSP_INT_MAC0,
+		.end	= MSP_INT_MAC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource msp_eth1_resources[] = {
+	[0] = {
+		.start	= MSP_MAC1_BASE,
+		.end	= MSP_MAC1_BASE + MSP_ETH_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= MSP_INT_MAC1,
+		.end	= MSP_INT_MAC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+
+
+static struct platform_device mspeth_device[] = {
+	[0] = {
+		.name	= MSP_ETH_ID,
+		.id	= 0,
+		.num_resources = ARRAY_SIZE(msp_eth0_resources),
+		.resource = msp_eth0_resources,
+	},
+	[1] = {
+		.name	= MSP_ETH_ID,
+		.id	= 1,
+		.num_resources = ARRAY_SIZE(msp_eth1_resources),
+		.resource = msp_eth1_resources,
+	},
+
+};
+#define msp_eth_devs	mspeth_device
+
+#endif
+int __init msp_eth_setup(void)
+{
+	int i, ret = 0;
+
+	/* Configure the GPIO and take the ethernet PHY out of reset */
+	msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0);
+	msp_gpio_pin_hi(MSP_ETHERNET_GPIO0);
+
+#ifdef CONFIG_MSP_HAS_TSMAC
+	/* 3 phys on boards with TSMAC */
+	msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO1);
+	msp_gpio_pin_hi(MSP_ETHERNET_GPIO1);
+
+	msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO2);
+	msp_gpio_pin_hi(MSP_ETHERNET_GPIO2);
+#endif
+	for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) {
+		ret = platform_device_register(&msp_eth_devs[i]);
+		printk(KERN_INFO "device: %d, return value = %d\n", i, ret);
+		if (ret) {
+			platform_device_unregister(&msp_eth_devs[i]);
+			break;
+		}
+	}
+
+	if (ret)
+		printk(KERN_WARNING "Could not initialize "
+						"MSPETH device structures.\n");
+
+	return ret;
+}
+subsys_initcall(msp_eth_setup);
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
index 734d598a2e3a..4531c4a514bc 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -19,8 +19,6 @@
 
 #include <msp_int.h>
 
-extern void msp_int_handle(void);
-
 /* SLP bases systems */
 extern void msp_slp_irq_init(void);
 extern void msp_slp_irq_dispatch(void);
@@ -29,6 +27,18 @@ extern void msp_slp_irq_dispatch(void);
 extern void msp_cic_irq_init(void);
 extern void msp_cic_irq_dispatch(void);
 
+/* VSMP support init */
+extern void msp_vsmp_int_init(void);
+
+/* vectored interrupt implementation */
+
+/* SW0/1 interrupts are used for SMP/SMTC */
+static inline void mac0_int_dispatch(void) { do_IRQ(MSP_INT_MAC0); }
+static inline void mac1_int_dispatch(void) { do_IRQ(MSP_INT_MAC1); }
+static inline void mac2_int_dispatch(void) { do_IRQ(MSP_INT_SAR); }
+static inline void usb_int_dispatch(void)  { do_IRQ(MSP_INT_USB);  }
+static inline void sec_int_dispatch(void)  { do_IRQ(MSP_INT_SEC);  }
+
 /*
  * The PMC-Sierra MSP interrupts are arranged in a 3 level cascaded
  * hierarchical system.  The first level are the direct MIPS interrupts
@@ -96,29 +106,57 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 		do_IRQ(MSP_INT_SW1);
 }
 
-static struct irqaction cascade_msp = {
+static struct irqaction cic_cascade_msp = {
 	.handler = no_action,
-	.name	 = "MSP cascade"
+	.name	 = "MSP CIC cascade"
 };
 
+static struct irqaction per_cascade_msp = {
+	.handler = no_action,
+	.name	 = "MSP PER cascade"
+};
 
 void __init arch_init_irq(void)
 {
+	/* assume we'll be using vectored interrupt mode except in UP mode*/
+#ifdef CONFIG_MIPS_MT
+	BUG_ON(!cpu_has_vint);
+#endif
 	/* initialize the 1st-level CPU based interrupt controller */
 	mips_cpu_irq_init();
 
 #ifdef CONFIG_IRQ_MSP_CIC
 	msp_cic_irq_init();
-
+#ifdef CONFIG_MIPS_MT
+	set_vi_handler(MSP_INT_CIC, msp_cic_irq_dispatch);
+	set_vi_handler(MSP_INT_MAC0, mac0_int_dispatch);
+	set_vi_handler(MSP_INT_MAC1, mac1_int_dispatch);
+	set_vi_handler(MSP_INT_SAR, mac2_int_dispatch);
+	set_vi_handler(MSP_INT_USB, usb_int_dispatch);
+	set_vi_handler(MSP_INT_SEC, sec_int_dispatch);
+#ifdef CONFIG_MIPS_MT_SMP
+	msp_vsmp_int_init();
+#elif defined CONFIG_MIPS_MT_SMTC
+	/*Set hwmask for all platform devices */
+	irq_hwmask[MSP_INT_MAC0] = C_IRQ0;
+	irq_hwmask[MSP_INT_MAC1] = C_IRQ1;
+	irq_hwmask[MSP_INT_USB] = C_IRQ2;
+	irq_hwmask[MSP_INT_SAR] = C_IRQ3;
+	irq_hwmask[MSP_INT_SEC] = C_IRQ5;
+
+#endif	/* CONFIG_MIPS_MT_SMP */
+#endif	/* CONFIG_MIPS_MT */
 	/* setup the cascaded interrupts */
-	setup_irq(MSP_INT_CIC, &cascade_msp);
-	setup_irq(MSP_INT_PER, &cascade_msp);
+	setup_irq(MSP_INT_CIC, &cic_cascade_msp);
+	setup_irq(MSP_INT_PER, &per_cascade_msp);
+
 #else
 	/* setup the 2nd-level SLP register based interrupt controller */
+	/* VSMP /SMTC support support is not enabled for SLP */
 	msp_slp_irq_init();
 
 	/* setup the cascaded SLP/PER interrupts */
-	setup_irq(MSP_INT_SLP, &cascade_msp);
-	setup_irq(MSP_INT_PER, &cascade_msp);
+	setup_irq(MSP_INT_SLP, &cic_cascade_msp);
+	setup_irq(MSP_INT_PER, &per_cascade_msp);
 #endif
 }
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
index 07e71ff2433f..c4fa2d775d8b 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
@@ -1,8 +1,7 @@
 /*
- * This file define the irq handler for MSP SLM subsystem interrupts.
+ * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c
  *
- * Copyright 2005-2007 PMC-Sierra, Inc, derived from irq_cpu.c
- * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com
+ * This file define the irq handler for MSP CIC subsystem interrupts.
  *
  * 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
@@ -16,119 +15,203 @@
 #include <linux/bitops.h>
 #include <linux/irq.h>
 
+#include <asm/mipsregs.h>
 #include <asm/system.h>
 
 #include <msp_cic_int.h>
 #include <msp_regs.h>
 
 /*
- * NOTE: We are only enabling support for VPE0 right now.
+ * External API
  */
+extern void msp_per_irq_init(void);
+extern void msp_per_irq_dispatch(void);
 
-static inline void unmask_msp_cic_irq(unsigned int irq)
+
+/*
+ * Convenience Macro.  Should be somewhere generic.
+ */
+#define get_current_vpe()   \
+	((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
+
+#ifdef CONFIG_SMP
+
+#define LOCK_VPE(flags, mtflags) \
+do {				\
+	local_irq_save(flags);	\
+	mtflags = dmt();	\
+} while (0)
+
+#define UNLOCK_VPE(flags, mtflags) \
+do {				\
+	emt(mtflags);		\
+	local_irq_restore(flags);\
+} while (0)
+
+#define LOCK_CORE(flags, mtflags) \
+do {				\
+	local_irq_save(flags);	\
+	mtflags = dvpe();	\
+} while (0)
+
+#define UNLOCK_CORE(flags, mtflags)		\
+do {				\
+	evpe(mtflags);		\
+	local_irq_restore(flags);\
+} while (0)
+
+#else
+
+#define LOCK_VPE(flags, mtflags)
+#define UNLOCK_VPE(flags, mtflags)
+#endif
+
+/* ensure writes to cic are completed */
+static inline void cic_wmb(void)
 {
+	const volatile void __iomem *cic_mem = CIC_VPE0_MSK_REG;
+	volatile u32 dummy_read;
 
-	/* check for PER interrupt range */
-	if (irq < MSP_PER_INTBASE)
-		*CIC_VPE0_MSK_REG |= (1 << (irq - MSP_CIC_INTBASE));
-	else
-		*PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE));
+	wmb();
+	dummy_read = __raw_readl(cic_mem);
+	dummy_read++;
 }
 
-static inline void mask_msp_cic_irq(unsigned int irq)
+static void unmask_cic_irq(struct irq_data *d)
 {
-	/* check for PER interrupt range */
-	if (irq < MSP_PER_INTBASE)
-		*CIC_VPE0_MSK_REG &= ~(1 << (irq - MSP_CIC_INTBASE));
-	else
-		*PER_INT_MSK_REG &= ~(1 << (irq - MSP_PER_INTBASE));
+	volatile u32   *cic_msk_reg = CIC_VPE0_MSK_REG;
+	int vpe;
+#ifdef CONFIG_SMP
+	unsigned int mtflags;
+	unsigned long  flags;
+
+	/*
+	* Make sure we have IRQ affinity.  It may have changed while
+	* we were processing the IRQ.
+	*/
+	if (!cpumask_test_cpu(smp_processor_id(), d->affinity))
+		return;
+#endif
+
+	vpe = get_current_vpe();
+	LOCK_VPE(flags, mtflags);
+	cic_msk_reg[vpe] |= (1 << (d->irq - MSP_CIC_INTBASE));
+	UNLOCK_VPE(flags, mtflags);
+	cic_wmb();
 }
 
-/*
- * While we ack the interrupt interrupts are disabled and thus we don't need
- * to deal with concurrency issues.  Same for msp_cic_irq_end.
- */
-static inline void ack_msp_cic_irq(unsigned int irq)
+static void mask_cic_irq(struct irq_data *d)
 {
-	mask_msp_cic_irq(irq);
-
+	volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG;
+	int	vpe = get_current_vpe();
+#ifdef CONFIG_SMP
+	unsigned long flags, mtflags;
+#endif
+	LOCK_VPE(flags, mtflags);
+	cic_msk_reg[vpe] &= ~(1 << (d->irq - MSP_CIC_INTBASE));
+	UNLOCK_VPE(flags, mtflags);
+	cic_wmb();
+}
+static void msp_cic_irq_ack(struct irq_data *d)
+{
+	mask_cic_irq(d);
 	/*
-	 * only really necessary for 18, 16-14 and sometimes 3:0 (since
-	 * these can be edge sensitive) but it doesn't hurt for the others.
-	 */
-
-	/* check for PER interrupt range */
-	if (irq < MSP_PER_INTBASE)
-		*CIC_STS_REG = (1 << (irq - MSP_CIC_INTBASE));
-	else
-		*PER_INT_STS_REG = (1 << (irq - MSP_PER_INTBASE));
+	* Only really necessary for 18, 16-14 and sometimes 3:0
+	* (since these can be edge sensitive) but it doesn't
+	* hurt for the others
+	*/
+	*CIC_STS_REG = (1 << (d->irq - MSP_CIC_INTBASE));
+	smtc_im_ack_irq(d->irq);
 }
 
+/*Note: Limiting to VSMP . Not tested in SMTC */
+
+#ifdef CONFIG_MIPS_MT_SMP
+static int msp_cic_irq_set_affinity(struct irq_data *d,
+				    const struct cpumask *cpumask, bool force)
+{
+	int cpu;
+	unsigned long flags;
+	unsigned int  mtflags;
+	unsigned long imask = (1 << (irq - MSP_CIC_INTBASE));
+	volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG;
+
+	/* timer balancing should be disabled in kernel code */
+	BUG_ON(irq == MSP_INT_VPE0_TIMER || irq == MSP_INT_VPE1_TIMER);
+
+	LOCK_CORE(flags, mtflags);
+	/* enable if any of each VPE's TCs require this IRQ */
+	for_each_online_cpu(cpu) {
+		if (cpumask_test_cpu(cpu, cpumask))
+			cic_mask[cpu] |= imask;
+		else
+			cic_mask[cpu] &= ~imask;
+
+	}
+
+	UNLOCK_CORE(flags, mtflags);
+	return 0;
+
+}
+#endif
+
 static struct irq_chip msp_cic_irq_controller = {
 	.name = "MSP_CIC",
-	.ack = ack_msp_cic_irq,
-	.mask = ack_msp_cic_irq,
-	.mask_ack = ack_msp_cic_irq,
-	.unmask = unmask_msp_cic_irq,
+	.irq_mask = mask_cic_irq,
+	.irq_mask_ack = msp_cic_irq_ack,
+	.irq_unmask = unmask_cic_irq,
+	.irq_ack = msp_cic_irq_ack,
+#ifdef CONFIG_MIPS_MT_SMP
+	.irq_set_affinity = msp_cic_irq_set_affinity,
+#endif
 };
 
-
 void __init msp_cic_irq_init(void)
 {
 	int i;
-
 	/* Mask/clear interrupts. */
 	*CIC_VPE0_MSK_REG = 0x00000000;
-	*PER_INT_MSK_REG  = 0x00000000;
+	*CIC_VPE1_MSK_REG = 0x00000000;
 	*CIC_STS_REG      = 0xFFFFFFFF;
-	*PER_INT_STS_REG  = 0xFFFFFFFF;
-
-#if defined(CONFIG_PMC_MSP7120_GW) || \
-    defined(CONFIG_PMC_MSP7120_EVAL)
 	/*
-	 * The MSP7120 RG and EVBD boards use IRQ[6:4] for PCI.
-	 * These inputs map to EXT_INT_POL[6:4] inside the CIC.
-	 * They are to be active low, level sensitive.
-	 */
+	* The MSP7120 RG and EVBD boards use IRQ[6:4] for PCI.
+	* These inputs map to EXT_INT_POL[6:4] inside the CIC.
+	* They are to be active low, level sensitive.
+	*/
 	*CIC_EXT_CFG_REG &= 0xFFFF8F8F;
-#endif
 
 	/* initialize all the IRQ descriptors */
-	for (i = MSP_CIC_INTBASE; i < MSP_PER_INTBASE + 32; i++)
-		set_irq_chip_and_handler(i, &msp_cic_irq_controller,
+	for (i = MSP_CIC_INTBASE ; i < MSP_CIC_INTBASE + 32 ; i++) {
+		irq_set_chip_and_handler(i, &msp_cic_irq_controller,
 					 handle_level_irq);
+#ifdef CONFIG_MIPS_MT_SMTC
+		/* Mask of CIC interrupt */
+		irq_hwmask[i] = C_IRQ4;
+#endif
+	}
+
+	/* Initialize the PER interrupt sub-system */
+	 msp_per_irq_init();
 }
 
+/* CIC masked by CIC vector processing before dispatch called */
 void msp_cic_irq_dispatch(void)
 {
-	u32 pending;
-	int intbase;
-
-	intbase = MSP_CIC_INTBASE;
-	pending = *CIC_STS_REG & *CIC_VPE0_MSK_REG;
-
-	/* check for PER interrupt */
-	if (pending == (1 << (MSP_INT_PER - MSP_CIC_INTBASE))) {
-		intbase = MSP_PER_INTBASE;
-		pending = *PER_INT_STS_REG & *PER_INT_MSK_REG;
-	}
-
-	/* check for spurious interrupt */
-	if (pending == 0x00000000) {
-		printk(KERN_ERR
-			"Spurious %s interrupt? status %08x, mask %08x\n",
-			(intbase == MSP_CIC_INTBASE) ? "CIC" : "PER",
-			(intbase == MSP_CIC_INTBASE) ?
-				*CIC_STS_REG : *PER_INT_STS_REG,
-			(intbase == MSP_CIC_INTBASE) ?
-				*CIC_VPE0_MSK_REG : *PER_INT_MSK_REG);
-		return;
-	}
-
-	/* check for the timer and dispatch it first */
-	if ((intbase == MSP_CIC_INTBASE) &&
-	    (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE))))
+	volatile u32	*cic_msk_reg = (volatile u32 *)CIC_VPE0_MSK_REG;
+	u32	cic_mask;
+	u32	 pending;
+	int	cic_status = *CIC_STS_REG;
+	cic_mask = cic_msk_reg[get_current_vpe()];
+	pending = cic_status & cic_mask;
+	if (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE))) {
 		do_IRQ(MSP_INT_VPE0_TIMER);
-	else
-		do_IRQ(ffs(pending) + intbase - 1);
+	} else if (pending & (1 << (MSP_INT_VPE1_TIMER - MSP_CIC_INTBASE))) {
+		do_IRQ(MSP_INT_VPE1_TIMER);
+	} else if (pending & (1 << (MSP_INT_PER - MSP_CIC_INTBASE))) {
+		msp_per_irq_dispatch();
+	} else if (pending) {
+		do_IRQ(ffs(pending) + MSP_CIC_INTBASE - 1);
+	} else{
+		spurious_interrupt();
+	}
 }
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
new file mode 100644
index 000000000000..f9b9dcdfa9dd
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c
+ *
+ * This file define the irq handler for MSP PER subsystem interrupts.
+ *
+ * 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/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+
+#include <asm/mipsregs.h>
+#include <asm/system.h>
+
+#include <msp_cic_int.h>
+#include <msp_regs.h>
+
+
+/*
+ * Convenience Macro.  Should be somewhere generic.
+ */
+#define get_current_vpe()	\
+	((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
+
+#ifdef CONFIG_SMP
+/*
+ * The PER registers must be protected from concurrent access.
+ */
+
+static DEFINE_SPINLOCK(per_lock);
+#endif
+
+/* ensure writes to per are completed */
+
+static inline void per_wmb(void)
+{
+	const volatile void __iomem *per_mem = PER_INT_MSK_REG;
+	volatile u32 dummy_read;
+
+	wmb();
+	dummy_read = __raw_readl(per_mem);
+	dummy_read++;
+}
+
+static inline void unmask_per_irq(struct irq_data *d)
+{
+#ifdef CONFIG_SMP
+	unsigned long flags;
+	spin_lock_irqsave(&per_lock, flags);
+	*PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
+	spin_unlock_irqrestore(&per_lock, flags);
+#else
+	*PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
+#endif
+	per_wmb();
+}
+
+static inline void mask_per_irq(struct irq_data *d)
+{
+#ifdef CONFIG_SMP
+	unsigned long flags;
+	spin_lock_irqsave(&per_lock, flags);
+	*PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
+	spin_unlock_irqrestore(&per_lock, flags);
+#else
+	*PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
+#endif
+	per_wmb();
+}
+
+static inline void msp_per_irq_ack(struct irq_data *d)
+{
+	mask_per_irq(d);
+	/*
+	 * In the PER interrupt controller, only bits 11 and 10
+	 * are write-to-clear, (SPI TX complete, SPI RX complete).
+	 * It does nothing for any others.
+	 */
+	*PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE));
+}
+
+#ifdef CONFIG_SMP
+static int msp_per_irq_set_affinity(struct irq_data *d,
+				    const struct cpumask *affinity, bool force)
+{
+	/* WTF is this doing ????? */
+	unmask_per_irq(d);
+	return 0;
+}
+#endif
+
+static struct irq_chip msp_per_irq_controller = {
+	.name = "MSP_PER",
+	.irq_enable = unmask_per_irq.
+	.irq_disable = mask_per_irq,
+	.irq_ack = msp_per_irq_ack,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = msp_per_irq_set_affinity,
+#endif
+};
+
+void __init msp_per_irq_init(void)
+{
+	int i;
+	/* Mask/clear interrupts. */
+	*PER_INT_MSK_REG  = 0x00000000;
+	*PER_INT_STS_REG  = 0xFFFFFFFF;
+	/* initialize all the IRQ descriptors */
+	for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) {
+		irq_set_chip(i, &msp_per_irq_controller);
+#ifdef CONFIG_MIPS_MT_SMTC
+		irq_hwmask[i] = C_IRQ4;
+#endif
+	}
+}
+
+void msp_per_irq_dispatch(void)
+{
+	u32	per_mask = *PER_INT_MSK_REG;
+	u32	per_status = *PER_INT_STS_REG;
+	u32	pending;
+
+	pending = per_status & per_mask;
+	if (pending) {
+		do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1);
+	} else {
+		spurious_interrupt();
+	}
+}
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
index 61f390232346..5bbcc47da6b9 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
@@ -21,8 +21,10 @@
 #include <msp_slp_int.h>
 #include <msp_regs.h>
 
-static inline void unmask_msp_slp_irq(unsigned int irq)
+static inline void unmask_msp_slp_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	/* check for PER interrupt range */
 	if (irq < MSP_PER_INTBASE)
 		*SLP_INT_MSK_REG |= (1 << (irq - MSP_SLP_INTBASE));
@@ -30,8 +32,10 @@ static inline void unmask_msp_slp_irq(unsigned int irq)
 		*PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE));
 }
 
-static inline void mask_msp_slp_irq(unsigned int irq)
+static inline void mask_msp_slp_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	/* check for PER interrupt range */
 	if (irq < MSP_PER_INTBASE)
 		*SLP_INT_MSK_REG &= ~(1 << (irq - MSP_SLP_INTBASE));
@@ -43,8 +47,10 @@ static inline void mask_msp_slp_irq(unsigned int irq)
  * While we ack the interrupt interrupts are disabled and thus we don't need
  * to deal with concurrency issues.  Same for msp_slp_irq_end.
  */
-static inline void ack_msp_slp_irq(unsigned int irq)
+static inline void ack_msp_slp_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	/* check for PER interrupt range */
 	if (irq < MSP_PER_INTBASE)
 		*SLP_INT_STS_REG = (1 << (irq - MSP_SLP_INTBASE));
@@ -54,9 +60,9 @@ static inline void ack_msp_slp_irq(unsigned int irq)
 
 static struct irq_chip msp_slp_irq_controller = {
 	.name = "MSP_SLP",
-	.ack = ack_msp_slp_irq,
-	.mask = mask_msp_slp_irq,
-	.unmask = unmask_msp_slp_irq,
+	.irq_ack = ack_msp_slp_irq,
+	.irq_mask = mask_msp_slp_irq,
+	.irq_unmask = unmask_msp_slp_irq,
 };
 
 void __init msp_slp_irq_init(void)
@@ -71,7 +77,7 @@ void __init msp_slp_irq_init(void)
 
 	/* initialize all the IRQ descriptors */
 	for (i = MSP_SLP_INTBASE; i < MSP_PER_INTBASE + 32; i++)
-		set_irq_chip_and_handler(i, &msp_slp_irq_controller,
+		irq_set_chip_and_handler(i, &msp_slp_irq_controller,
 					 handle_level_irq);
 }
 
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c
index a54e85b3cf29..2413ea67877e 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c
@@ -146,6 +146,8 @@ void __init plat_mem_setup(void)
 	pm_power_off = msp_power_off;
 }
 
+extern struct plat_smp_ops msp_smtc_smp_ops;
+
 void __init prom_init(void)
 {
 	unsigned long family;
@@ -226,10 +228,18 @@ void __init prom_init(void)
 	 */
 	msp_serial_setup();
 
+#ifdef CONFIG_MIPS_MT_SMP
+	register_smp_ops(&vsmp_smp_ops);
+#endif
+
+#ifdef CONFIG_MIPS_MT_SMTC
+	register_smp_ops(&msp_smtc_smp_ops);
+#endif
+
 #ifdef CONFIG_PMCTWILED
 	/*
 	 * Setup LED states before the subsys_initcall loads other
-	 * dependant drivers/modules.
+	 * dependent drivers/modules.
 	 */
 	pmctwiled_setup();
 #endif
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_smp.c b/arch/mips/pmc-sierra/msp71xx/msp_smp.c
new file mode 100644
index 000000000000..bec17901ff03
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_smp.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc.
+ * Copyright (C) 2001 Ralf Baechle
+ * Copyright (C) 2010 PMC-Sierra, Inc.
+ *
+ *  VSMP support for MSP platforms . Derived from malta vsmp support.
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ */
+#include <linux/smp.h>
+#include <linux/interrupt.h>
+
+#ifdef CONFIG_MIPS_MT_SMP
+#define MIPS_CPU_IPI_RESCHED_IRQ 0	/* SW int 0 for resched */
+#define MIPS_CPU_IPI_CALL_IRQ 1		/* SW int 1 for call */
+
+
+static void ipi_resched_dispatch(void)
+{
+	do_IRQ(MIPS_CPU_IPI_RESCHED_IRQ);
+}
+
+static void ipi_call_dispatch(void)
+{
+	do_IRQ(MIPS_CPU_IPI_CALL_IRQ);
+}
+
+static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
+{
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
+{
+	smp_call_function_interrupt();
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction irq_resched = {
+	.handler	= ipi_resched_interrupt,
+	.flags		= IRQF_DISABLED | IRQF_PERCPU,
+	.name		= "IPI_resched"
+};
+
+static struct irqaction irq_call = {
+	.handler	= ipi_call_interrupt,
+	.flags		= IRQF_DISABLED | IRQF_PERCPU,
+	.name		= "IPI_call"
+};
+
+void __init arch_init_ipiirq(int irq, struct irqaction *action)
+{
+	setup_irq(irq, action);
+	irq_set_handler(irq, handle_percpu_irq);
+}
+
+void __init msp_vsmp_int_init(void)
+{
+	set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
+	set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
+	arch_init_ipiirq(MIPS_CPU_IPI_RESCHED_IRQ, &irq_resched);
+	arch_init_ipiirq(MIPS_CPU_IPI_CALL_IRQ, &irq_call);
+}
+#endif /* CONFIG_MIPS_MT_SMP */
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_smtc.c b/arch/mips/pmc-sierra/msp71xx/msp_smtc.c
new file mode 100644
index 000000000000..c8dcc1c01e18
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_smtc.c
@@ -0,0 +1,105 @@
+/*
+ * MSP71xx Platform-specific hooks for SMP operation
+ */
+#include <linux/irq.h>
+#include <linux/init.h>
+
+#include <asm/mipsmtregs.h>
+#include <asm/mipsregs.h>
+#include <asm/smtc.h>
+#include <asm/smtc_ipi.h>
+
+/* VPE/SMP Prototype implements platform interfaces directly */
+
+/*
+ * Cause the specified action to be performed on a targeted "CPU"
+ */
+
+static void msp_smtc_send_ipi_single(int cpu, unsigned int action)
+{
+	/* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */
+	smtc_send_ipi(cpu, LINUX_SMP_IPI, action);
+}
+
+static void msp_smtc_send_ipi_mask(const struct cpumask *mask,
+						unsigned int action)
+{
+	unsigned int i;
+
+	for_each_cpu(i, mask)
+		msp_smtc_send_ipi_single(i, action);
+}
+
+/*
+ * Post-config but pre-boot cleanup entry point
+ */
+static void __cpuinit msp_smtc_init_secondary(void)
+{
+	int myvpe;
+
+	/* Don't enable Malta I/O interrupts (IP2) for secondary VPEs */
+	myvpe = read_c0_tcbind() & TCBIND_CURVPE;
+	if (myvpe > 0)
+		change_c0_status(ST0_IM, STATUSF_IP0 | STATUSF_IP1 |
+				STATUSF_IP6 | STATUSF_IP7);
+	smtc_init_secondary();
+}
+
+/*
+ * Platform "CPU" startup hook
+ */
+static void __cpuinit msp_smtc_boot_secondary(int cpu,
+					struct task_struct *idle)
+{
+	smtc_boot_secondary(cpu, idle);
+}
+
+/*
+ * SMP initialization finalization entry point
+ */
+static void __cpuinit msp_smtc_smp_finish(void)
+{
+	smtc_smp_finish();
+}
+
+/*
+ * Hook for after all CPUs are online
+ */
+
+static void msp_smtc_cpus_done(void)
+{
+}
+
+/*
+ * Platform SMP pre-initialization
+ *
+ * As noted above, we can assume a single CPU for now
+ * but it may be multithreaded.
+ */
+
+static void __init msp_smtc_smp_setup(void)
+{
+	/*
+	 * we won't get the definitive value until
+	 * we've run smtc_prepare_cpus later, but
+	 */
+
+	if (read_c0_config3() & (1 << 2))
+		smp_num_siblings = smtc_build_cpu_map(0);
+}
+
+static void __init msp_smtc_prepare_cpus(unsigned int max_cpus)
+{
+	smtc_prepare_cpus(max_cpus);
+}
+
+struct plat_smp_ops msp_smtc_smp_ops = {
+	.send_ipi_single	= msp_smtc_send_ipi_single,
+	.send_ipi_mask		= msp_smtc_send_ipi_mask,
+	.init_secondary		= msp_smtc_init_secondary,
+	.smp_finish		= msp_smtc_smp_finish,
+	.cpus_done		= msp_smtc_cpus_done,
+	.boot_secondary		= msp_smtc_boot_secondary,
+	.smp_setup		= msp_smtc_smp_setup,
+	.prepare_cpus		= msp_smtc_prepare_cpus,
+};
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c
index 01df84ce31e2..8b42f307a7a7 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_time.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_time.c
@@ -29,6 +29,7 @@
 #include <linux/module.h>
 #include <linux/ptrace.h>
 
+#include <asm/cevt-r4k.h>
 #include <asm/mipsregs.h>
 #include <asm/time.h>
 
@@ -36,6 +37,12 @@
 #include <msp_int.h>
 #include <msp_regs.h>
 
+#define get_current_vpe()   \
+	((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
+
+static struct irqaction timer_vpe1;
+static int tim_installed;
+
 void __init plat_time_init(void)
 {
 	char    *endp, *s;
@@ -83,5 +90,12 @@ void __init plat_time_init(void)
 
 unsigned int __cpuinit get_c0_compare_int(void)
 {
-	return MSP_INT_VPE0_TIMER;
+	/* MIPS_MT modes may want timer for second VPE */
+	if ((get_current_vpe()) && !tim_installed) {
+		memcpy(&timer_vpe1, &c0_compare_irqaction, sizeof(timer_vpe1));
+		setup_irq(MSP_INT_VPE1_TIMER, &timer_vpe1);
+		tim_installed++;
+	}
+
+	return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER;
 }
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_usb.c b/arch/mips/pmc-sierra/msp71xx/msp_usb.c
index 0ee01e359dd8..9a1aef89bd4c 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_usb.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_usb.c
@@ -1,7 +1,7 @@
 /*
  * The setup file for USB related hardware on PMC-Sierra MSP processors.
  *
- * Copyright 2006-2007 PMC-Sierra, Inc.
+ * Copyright 2006 PMC-Sierra, 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
@@ -23,8 +23,8 @@
  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
+#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
 
-#include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/platform_device.h>
@@ -34,40 +34,56 @@
 #include <msp_regs.h>
 #include <msp_int.h>
 #include <msp_prom.h>
+#include <msp_usb.h>
+
 
 #if defined(CONFIG_USB_EHCI_HCD)
-static struct resource msp_usbhost_resources [] = {
-	[0] = {
-		.start	= MSP_USB_BASE_START,
-		.end	= MSP_USB_BASE_END,
-		.flags 	= IORESOURCE_MEM,
+static struct resource msp_usbhost0_resources[] = {
+	[0] = { /* EHCI-HS operational and capabilities registers */
+		.start  = MSP_USB0_HS_START,
+		.end    = MSP_USB0_HS_END,
+		.flags  = IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= MSP_INT_USB,
-		.end	= MSP_INT_USB,
-		.flags	= IORESOURCE_IRQ,
+		.start  = MSP_INT_USB,
+		.end    = MSP_INT_USB,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[2] = { /* MSBus-to-AMBA bridge register space */
+		.start	= MSP_USB0_MAB_START,
+		.end	= MSP_USB0_MAB_END,
+		.flags	= IORESOURCE_MEM,
+	},
+	[3] = { /* Identification and general hardware parameters */
+		.start	= MSP_USB0_ID_START,
+		.end	= MSP_USB0_ID_END,
+		.flags	= IORESOURCE_MEM,
 	},
 };
 
-static u64 msp_usbhost_dma_mask = DMA_BIT_MASK(32);
+static u64 msp_usbhost0_dma_mask = 0xffffffffUL;
 
-static struct platform_device msp_usbhost_device = {
-	.name	= "pmcmsp-ehci",
-	.id	= 0,
+static struct mspusb_device msp_usbhost0_device = {
 	.dev	= {
-		.dma_mask = &msp_usbhost_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.name	= "pmcmsp-ehci",
+		.id	= 0,
+		.dev	= {
+			.dma_mask = &msp_usbhost0_dma_mask,
+			.coherent_dma_mask = 0xffffffffUL,
+		},
+		.num_resources  = ARRAY_SIZE(msp_usbhost0_resources),
+		.resource       = msp_usbhost0_resources,
 	},
-	.num_resources 	= ARRAY_SIZE(msp_usbhost_resources),
-	.resource	= msp_usbhost_resources,
 };
-#endif /* CONFIG_USB_EHCI_HCD */
 
-#if defined(CONFIG_USB_GADGET)
-static struct resource msp_usbdev_resources [] = {
-	[0] = {
-		.start	= MSP_USB_BASE,
-		.end	= MSP_USB_BASE_END,
+/* MSP7140/MSP82XX has two USB2 hosts. */
+#ifdef CONFIG_MSP_HAS_DUAL_USB
+static u64 msp_usbhost1_dma_mask = 0xffffffffUL;
+
+static struct resource msp_usbhost1_resources[] = {
+	[0] = { /* EHCI-HS operational and capabilities registers */
+		.start	= MSP_USB1_HS_START,
+		.end	= MSP_USB1_HS_END,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -75,76 +91,173 @@ static struct resource msp_usbdev_resources [] = {
 		.end	= MSP_INT_USB,
 		.flags	= IORESOURCE_IRQ,
 	},
+	[2] = { /* MSBus-to-AMBA bridge register space */
+		.start	= MSP_USB1_MAB_START,
+		.end	= MSP_USB1_MAB_END,
+		.flags	= IORESOURCE_MEM,
+	},
+	[3] = { /* Identification and general hardware parameters */
+		.start	= MSP_USB1_ID_START,
+		.end	= MSP_USB1_ID_END,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct mspusb_device msp_usbhost1_device = {
+	.dev	= {
+		.name	= "pmcmsp-ehci",
+		.id	= 1,
+		.dev	= {
+			.dma_mask = &msp_usbhost1_dma_mask,
+			.coherent_dma_mask = 0xffffffffUL,
+		},
+		.num_resources	= ARRAY_SIZE(msp_usbhost1_resources),
+		.resource	= msp_usbhost1_resources,
+	},
 };
+#endif /* CONFIG_MSP_HAS_DUAL_USB */
+#endif /* CONFIG_USB_EHCI_HCD */
 
-static u64 msp_usbdev_dma_mask = DMA_BIT_MASK(32);
+#if defined(CONFIG_USB_GADGET)
+static struct resource msp_usbdev0_resources[] = {
+	[0] = { /* EHCI-HS operational and capabilities registers */
+		.start  = MSP_USB0_HS_START,
+		.end    = MSP_USB0_HS_END,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = MSP_INT_USB,
+		.end    = MSP_INT_USB,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[2] = { /* MSBus-to-AMBA bridge register space */
+		.start	= MSP_USB0_MAB_START,
+		.end	= MSP_USB0_MAB_END,
+		.flags	= IORESOURCE_MEM,
+	},
+	[3] = { /* Identification and general hardware parameters */
+		.start	= MSP_USB0_ID_START,
+		.end	= MSP_USB0_ID_END,
+		.flags	= IORESOURCE_MEM,
+	},
+};
 
-static struct platform_device msp_usbdev_device = {
-	.name	= "msp71xx_udc",
-	.id	= 0,
+static u64 msp_usbdev_dma_mask = 0xffffffffUL;
+
+/* This may need to be converted to a mspusb_device, too. */
+static struct mspusb_device msp_usbdev0_device = {
 	.dev	= {
-		.dma_mask = &msp_usbdev_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.name	= "msp71xx_udc",
+		.id	= 0,
+		.dev	= {
+			.dma_mask = &msp_usbdev_dma_mask,
+			.coherent_dma_mask = 0xffffffffUL,
+		},
+		.num_resources  = ARRAY_SIZE(msp_usbdev0_resources),
+		.resource       = msp_usbdev0_resources,
 	},
-	.num_resources	= ARRAY_SIZE(msp_usbdev_resources),
-	.resource	= msp_usbdev_resources,
 };
-#endif /* CONFIG_USB_GADGET */
 
-#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
-static struct platform_device *msp_devs[1];
-#endif
+#ifdef CONFIG_MSP_HAS_DUAL_USB
+static struct resource msp_usbdev1_resources[] = {
+	[0] = { /* EHCI-HS operational and capabilities registers */
+		.start  = MSP_USB1_HS_START,
+		.end    = MSP_USB1_HS_END,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = MSP_INT_USB,
+		.end    = MSP_INT_USB,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[2] = { /* MSBus-to-AMBA bridge register space */
+		.start	= MSP_USB1_MAB_START,
+		.end	= MSP_USB1_MAB_END,
+		.flags	= IORESOURCE_MEM,
+	},
+	[3] = { /* Identification and general hardware parameters */
+		.start	= MSP_USB1_ID_START,
+		.end	= MSP_USB1_ID_END,
+		.flags	= IORESOURCE_MEM,
+	},
+};
 
+/* This may need to be converted to a mspusb_device, too. */
+static struct mspusb_device msp_usbdev1_device = {
+	.dev	= {
+		.name	= "msp71xx_udc",
+		.id	= 0,
+		.dev	= {
+			.dma_mask = &msp_usbdev_dma_mask,
+			.coherent_dma_mask = 0xffffffffUL,
+		},
+		.num_resources  = ARRAY_SIZE(msp_usbdev1_resources),
+		.resource       = msp_usbdev1_resources,
+	},
+};
+
+#endif /* CONFIG_MSP_HAS_DUAL_USB */
+#endif /* CONFIG_USB_GADGET */
 
 static int __init msp_usb_setup(void)
 {
-#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
-	char *strp;
-	char envstr[32];
-	unsigned int val = 0;
-	int result = 0;
+	char		*strp;
+	char		envstr[32];
+	struct platform_device *msp_devs[NUM_USB_DEVS];
+	unsigned int val;
 
+	/* construct environment name usbmode */
+	/* set usbmode <host/device> as pmon environment var */
 	/*
-	 * construct environment name usbmode
-	 * set usbmode <host/device> as pmon environment var
+	 * Could this perhaps be integrated into the "features" env var?
+	 * Use the features key "U", and follow with "H" for host-mode,
+	 * "D" for device-mode.  If it works for Ethernet, why not USB...
+	 *  -- hammtrev, 2007/03/22
 	 */
 	snprintf((char *)&envstr[0], sizeof(envstr), "usbmode");
 
-#if defined(CONFIG_USB_EHCI_HCD)
-	/* default to host mode */
+	/* set default host mode */
 	val = 1;
-#endif
 
 	/* get environment string */
 	strp = prom_getenv((char *)&envstr[0]);
 	if (strp) {
+		/* compare string */
 		if (!strcmp(strp, "device"))
 			val = 0;
 	}
 
 	if (val) {
 #if defined(CONFIG_USB_EHCI_HCD)
-		/* get host mode device */
-		msp_devs[0] = &msp_usbhost_device;
-		ppfinit("platform add USB HOST done %s.\n",
-			    msp_devs[0]->name);
-
-		result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
-#endif /* CONFIG_USB_EHCI_HCD */
-	}
+		msp_devs[0] = &msp_usbhost0_device.dev;
+		ppfinit("platform add USB HOST done %s.\n", msp_devs[0]->name);
+#ifdef CONFIG_MSP_HAS_DUAL_USB
+		msp_devs[1] = &msp_usbhost1_device.dev;
+		ppfinit("platform add USB HOST done %s.\n", msp_devs[1]->name);
+#endif
+#else
+		ppfinit("%s: echi_hcd not supported\n", __FILE__);
+#endif  /* CONFIG_USB_EHCI_HCD */
+	} else {
 #if defined(CONFIG_USB_GADGET)
-	else {
 		/* get device mode structure */
-		msp_devs[0] = &msp_usbdev_device;
-		ppfinit("platform add USB DEVICE done %s.\n",
-			    msp_devs[0]->name);
-
-		result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
+		msp_devs[0] = &msp_usbdev0_device.dev;
+		ppfinit("platform add USB DEVICE done %s.\n"
+					, msp_devs[0]->name);
+#ifdef CONFIG_MSP_HAS_DUAL_USB
+		msp_devs[1] = &msp_usbdev1_device.dev;
+		ppfinit("platform add USB DEVICE done %s.\n"
+					, msp_devs[1]->name);
+#endif
+#else
+		ppfinit("%s: usb_gadget not supported\n", __FILE__);
+#endif  /* CONFIG_USB_GADGET */
 	}
-#endif /* CONFIG_USB_GADGET */
-#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
+	/* add device */
+	platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
 
-	return result;
+	return 0;
 }
 
 subsys_initcall(msp_usb_setup);
+#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
diff --git a/arch/mips/pmc-sierra/yosemite/Makefile b/arch/mips/pmc-sierra/yosemite/Makefile
index b16f95c3df65..02f5fb94ea28 100644
--- a/arch/mips/pmc-sierra/yosemite/Makefile
+++ b/arch/mips/pmc-sierra/yosemite/Makefile
@@ -6,4 +6,4 @@ obj-y    += irq.o prom.o py-console.o setup.o
 
 obj-$(CONFIG_SMP)		+= smp.o
 
-EXTRA_CFLAGS += -Werror
+ccflags-y := -Werror
diff --git a/arch/mips/pnx833x/common/interrupts.c b/arch/mips/pnx833x/common/interrupts.c
index 941916f8aaff..adc171c8846f 100644
--- a/arch/mips/pnx833x/common/interrupts.c
+++ b/arch/mips/pnx833x/common/interrupts.c
@@ -152,10 +152,6 @@ static inline void pnx833x_hard_disable_pic_irq(unsigned int irq)
 	PNX833X_PIC_INT_REG(irq) = 0;
 }
 
-static int irqflags[PNX833X_PIC_NUM_IRQ];	/* initialized by zeroes */
-#define IRQFLAG_STARTED		1
-#define IRQFLAG_DISABLED	2
-
 static DEFINE_RAW_SPINLOCK(pnx833x_irq_lock);
 
 static unsigned int pnx833x_startup_pic_irq(unsigned int irq)
@@ -164,108 +160,54 @@ static unsigned int pnx833x_startup_pic_irq(unsigned int irq)
 	unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
 
 	raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);
-
-	irqflags[pic_irq] = IRQFLAG_STARTED;	/* started, not disabled */
 	pnx833x_hard_enable_pic_irq(pic_irq);
-
 	raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
 	return 0;
 }
 
-static void pnx833x_shutdown_pic_irq(unsigned int irq)
-{
-	unsigned long flags;
-	unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
-
-	raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);
-
-	irqflags[pic_irq] = 0;			/* not started */
-	pnx833x_hard_disable_pic_irq(pic_irq);
-
-	raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
-}
-
-static void pnx833x_enable_pic_irq(unsigned int irq)
+static void pnx833x_enable_pic_irq(struct irq_data *d)
 {
 	unsigned long flags;
-	unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
+	unsigned int pic_irq = d->irq - PNX833X_PIC_IRQ_BASE;
 
 	raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);
-
-	irqflags[pic_irq] &= ~IRQFLAG_DISABLED;
-	if (irqflags[pic_irq] == IRQFLAG_STARTED)
-		pnx833x_hard_enable_pic_irq(pic_irq);
-
+	pnx833x_hard_enable_pic_irq(pic_irq);
 	raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
 }
 
-static void pnx833x_disable_pic_irq(unsigned int irq)
+static void pnx833x_disable_pic_irq(struct irq_data *d)
 {
 	unsigned long flags;
-	unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
+	unsigned int pic_irq = d->irq - PNX833X_PIC_IRQ_BASE;
 
 	raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);
-
-	irqflags[pic_irq] |= IRQFLAG_DISABLED;
 	pnx833x_hard_disable_pic_irq(pic_irq);
-
 	raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
 }
 
-static void pnx833x_ack_pic_irq(unsigned int irq)
-{
-}
-
-static void pnx833x_end_pic_irq(unsigned int irq)
-{
-}
-
 static DEFINE_RAW_SPINLOCK(pnx833x_gpio_pnx833x_irq_lock);
 
-static unsigned int pnx833x_startup_gpio_irq(unsigned int irq)
-{
-	int pin = irq - PNX833X_GPIO_IRQ_BASE;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
-	pnx833x_gpio_enable_irq(pin);
-	raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
-	return 0;
-}
-
-static void pnx833x_enable_gpio_irq(unsigned int irq)
+static void pnx833x_enable_gpio_irq(struct irq_data *d)
 {
-	int pin = irq - PNX833X_GPIO_IRQ_BASE;
+	int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
 	unsigned long flags;
 	raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
 	pnx833x_gpio_enable_irq(pin);
 	raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
 }
 
-static void pnx833x_disable_gpio_irq(unsigned int irq)
+static void pnx833x_disable_gpio_irq(struct irq_data *d)
 {
-	int pin = irq - PNX833X_GPIO_IRQ_BASE;
+	int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
 	unsigned long flags;
 	raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
 	pnx833x_gpio_disable_irq(pin);
 	raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
 }
 
-static void pnx833x_ack_gpio_irq(unsigned int irq)
-{
-}
-
-static void pnx833x_end_gpio_irq(unsigned int irq)
-{
-	int pin = irq - PNX833X_GPIO_IRQ_BASE;
-	unsigned long flags;
-	raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
-	pnx833x_gpio_clear_irq(pin);
-	raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
-}
-
-static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type)
+static int pnx833x_set_type_gpio_irq(struct irq_data *d, unsigned int flow_type)
 {
-	int pin = irq - PNX833X_GPIO_IRQ_BASE;
+	int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
 	int gpio_mode;
 
 	switch (flow_type) {
@@ -296,23 +238,15 @@ static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type)
 
 static struct irq_chip pnx833x_pic_irq_type = {
 	.name = "PNX-PIC",
-	.startup = pnx833x_startup_pic_irq,
-	.shutdown = pnx833x_shutdown_pic_irq,
-	.enable = pnx833x_enable_pic_irq,
-	.disable = pnx833x_disable_pic_irq,
-	.ack = pnx833x_ack_pic_irq,
-	.end = pnx833x_end_pic_irq
+	.irq_enable = pnx833x_enable_pic_irq,
+	.irq_disable = pnx833x_disable_pic_irq,
 };
 
 static struct irq_chip pnx833x_gpio_irq_type = {
 	.name = "PNX-GPIO",
-	.startup = pnx833x_startup_gpio_irq,
-	.shutdown = pnx833x_disable_gpio_irq,
-	.enable = pnx833x_enable_gpio_irq,
-	.disable = pnx833x_disable_gpio_irq,
-	.ack = pnx833x_ack_gpio_irq,
-	.end = pnx833x_end_gpio_irq,
-	.set_type = pnx833x_set_type_gpio_irq
+	.irq_enable = pnx833x_enable_gpio_irq,
+	.irq_disable = pnx833x_disable_gpio_irq,
+	.irq_set_type = pnx833x_set_type_gpio_irq,
 };
 
 void __init arch_init_irq(void)
@@ -325,11 +259,13 @@ void __init arch_init_irq(void)
 	/* Set IRQ information in irq_desc */
 	for (irq = PNX833X_PIC_IRQ_BASE; irq < (PNX833X_PIC_IRQ_BASE + PNX833X_PIC_NUM_IRQ); irq++) {
 		pnx833x_hard_disable_pic_irq(irq);
-		set_irq_chip_and_handler(irq, &pnx833x_pic_irq_type, handle_simple_irq);
+		irq_set_chip_and_handler(irq, &pnx833x_pic_irq_type,
+					 handle_simple_irq);
 	}
 
 	for (irq = PNX833X_GPIO_IRQ_BASE; irq < (PNX833X_GPIO_IRQ_BASE + PNX833X_GPIO_NUM_IRQ); irq++)
-		set_irq_chip_and_handler(irq, &pnx833x_gpio_irq_type, handle_simple_irq);
+		irq_set_chip_and_handler(irq, &pnx833x_gpio_irq_type,
+					 handle_simple_irq);
 
 	/* Set PIC priority limiter register to 0 */
 	PNX833X_PIC_INT_PRIORITY = 0;
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index ce45df17fd09..87167dcc79fa 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -165,7 +165,7 @@ static struct i2c_pnx0105_dev pnx833x_i2c_dev[] = {
 	{
 		.base = PNX833X_I2C0_PORTS_START,
 		.irq = -1, /* should be PNX833X_PIC_I2C0_INT but polling is faster */
-		.clock = 6,	/* 0 == 400 kHz, 4 == 100 kHz(Maximum HDMI), 6 = 50kHz(Prefered HDCP) */
+		.clock = 6,	/* 0 == 400 kHz, 4 == 100 kHz(Maximum HDMI), 6 = 50kHz(Preferred HDCP) */
 		.bus_addr = 0,	/* no slave support */
 	},
 	{
diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c
index cfed5051dc6d..6b93c81779c1 100644
--- a/arch/mips/pnx8550/common/int.c
+++ b/arch/mips/pnx8550/common/int.c
@@ -114,8 +114,10 @@ static inline void unmask_gic_int(unsigned int irq_nr)
 	PNX8550_GIC_REQ(irq_nr) = (1<<26 | 1<<16) | (1<<28) | gic_prio[irq_nr];
 }
 
-static inline void mask_irq(unsigned int irq_nr)
+static inline void mask_irq(struct irq_data *d)
 {
+	unsigned int irq_nr = d->irq;
+
 	if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) {
 		modify_cp0_intmask(1 << irq_nr, 0);
 	} else if ((PNX8550_INT_GIC_MIN <= irq_nr) &&
@@ -129,8 +131,10 @@ static inline void mask_irq(unsigned int irq_nr)
 	}
 }
 
-static inline void unmask_irq(unsigned int irq_nr)
+static inline void unmask_irq(struct irq_data *d)
 {
+	unsigned int irq_nr = d->irq;
+
 	if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) {
 		modify_cp0_intmask(0, 1 << irq_nr);
 	} else if ((PNX8550_INT_GIC_MIN <= irq_nr) &&
@@ -157,10 +161,8 @@ int pnx8550_set_gic_priority(int irq, int priority)
 
 static struct irq_chip level_irq_type = {
 	.name =		"PNX Level IRQ",
-	.ack =		mask_irq,
-	.mask =		mask_irq,
-	.mask_ack =	mask_irq,
-	.unmask =	unmask_irq,
+	.irq_mask =	mask_irq,
+	.irq_unmask =	unmask_irq,
 };
 
 static struct irqaction gic_action = {
@@ -180,10 +182,8 @@ void __init arch_init_irq(void)
 	int i;
 	int configPR;
 
-	for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) {
-		set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq);
-		mask_irq(i);	/* mask the irq just in case  */
-	}
+	for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++)
+		irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq);
 
 	/* init of GIC/IPC interrupts */
 	/* should be done before cp0 since cp0 init enables the GIC int */
@@ -206,7 +206,7 @@ void __init arch_init_irq(void)
 		/* mask/priority is still 0 so we will not get any
 		 * interrupts until it is unmasked */
 
-		set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq);
 	}
 
 	/* Priority level 0 */
@@ -215,20 +215,20 @@ void __init arch_init_irq(void)
 	/* Set int vector table address */
 	PNX8550_GIC_VECTOR_0 = PNX8550_GIC_VECTOR_1 = 0;
 
-	set_irq_chip_and_handler(MIPS_CPU_GIC_IRQ, &level_irq_type,
+	irq_set_chip_and_handler(MIPS_CPU_GIC_IRQ, &level_irq_type,
 				 handle_level_irq);
 	setup_irq(MIPS_CPU_GIC_IRQ, &gic_action);
 
 	/* init of Timer interrupts */
 	for (i = PNX8550_INT_TIMER_MIN; i <= PNX8550_INT_TIMER_MAX; i++)
-		set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq);
 
 	/* Stop Timer 1-3 */
 	configPR = read_c0_config7();
 	configPR |= 0x00000038;
 	write_c0_config7(configPR);
 
-	set_irq_chip_and_handler(MIPS_CPU_TIMER_IRQ, &level_irq_type,
+	irq_set_chip_and_handler(MIPS_CPU_TIMER_IRQ, &level_irq_type,
 				 handle_level_irq);
 	setup_irq(MIPS_CPU_TIMER_IRQ, &timer_action);
 }
diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile
index baf6e9092a9f..348d2e850ef5 100644
--- a/arch/mips/powertv/Makefile
+++ b/arch/mips/powertv/Makefile
@@ -28,4 +28,4 @@ obj-y += init.o ioremap.o memory.o powertv_setup.o reset.o time.o \
 
 obj-$(CONFIG_USB) += powertv-usb.o
 
-EXTRA_CFLAGS += -Wall
+ccflags-y := -Wall
diff --git a/arch/mips/powertv/asic/Makefile b/arch/mips/powertv/asic/Makefile
index f0e95dc0ac97..d810a33182a4 100644
--- a/arch/mips/powertv/asic/Makefile
+++ b/arch/mips/powertv/asic/Makefile
@@ -20,4 +20,4 @@ obj-y += asic-calliope.o asic-cronus.o asic-gaia.o asic-zeus.o \
 	asic_devices.o asic_int.o irq_asic.o prealloc-calliope.o \
 	prealloc-cronus.o prealloc-cronuslite.o prealloc-gaia.o prealloc-zeus.o
 
-EXTRA_CFLAGS += -Wall -Werror
+ccflags-y := -Wall -Werror
diff --git a/arch/mips/powertv/asic/irq_asic.c b/arch/mips/powertv/asic/irq_asic.c
index e55382434155..7fb97fb0931e 100644
--- a/arch/mips/powertv/asic/irq_asic.c
+++ b/arch/mips/powertv/asic/irq_asic.c
@@ -21,9 +21,10 @@
 
 #include <asm/mach-powertv/asic_regs.h>
 
-static inline void unmask_asic_irq(unsigned int irq)
+static inline void unmask_asic_irq(struct irq_data *d)
 {
 	unsigned long enable_bit;
+	unsigned int irq = d->irq;
 
 	enable_bit = (1 << (irq & 0x1f));
 
@@ -45,9 +46,10 @@ static inline void unmask_asic_irq(unsigned int irq)
 	}
 }
 
-static inline void mask_asic_irq(unsigned int irq)
+static inline void mask_asic_irq(struct irq_data *d)
 {
 	unsigned long disable_mask;
+	unsigned int irq = d->irq;
 
 	disable_mask = ~(1 << (irq & 0x1f));
 
@@ -71,11 +73,8 @@ static inline void mask_asic_irq(unsigned int irq)
 
 static struct irq_chip asic_irq_chip = {
 	.name = "ASIC Level",
-	.ack = mask_asic_irq,
-	.mask = mask_asic_irq,
-	.mask_ack = mask_asic_irq,
-	.unmask = unmask_asic_irq,
-	.eoi = unmask_asic_irq,
+	.irq_mask = mask_asic_irq,
+	.irq_unmask = unmask_asic_irq,
 };
 
 void __init asic_irq_init(void)
@@ -113,5 +112,5 @@ void __init asic_irq_init(void)
 	 * Initialize interrupt handlers.
 	 */
 	for (i = 0; i < NR_IRQS; i++)
-		set_irq_chip_and_handler(i, &asic_irq_chip, handle_level_irq);
+		irq_set_chip_and_handler(i, &asic_irq_chip, handle_level_irq);
 }
diff --git a/arch/mips/powertv/pci/Makefile b/arch/mips/powertv/pci/Makefile
index f5c62462fc9d..5783201cd2c8 100644
--- a/arch/mips/powertv/pci/Makefile
+++ b/arch/mips/powertv/pci/Makefile
@@ -18,4 +18,4 @@
 
 obj-$(CONFIG_PCI)	+= fixup-powertv.o
 
-EXTRA_CFLAGS += -Wall -Werror
+ccflags-y := -Wall -Werror
diff --git a/arch/mips/rb532/irq.c b/arch/mips/rb532/irq.c
index ea6cec3c1e0d..7c6db74e3fad 100644
--- a/arch/mips/rb532/irq.c
+++ b/arch/mips/rb532/irq.c
@@ -111,10 +111,10 @@ static inline void ack_local_irq(unsigned int ip)
 	clear_c0_cause(ipnum);
 }
 
-static void rb532_enable_irq(unsigned int irq_nr)
+static void rb532_enable_irq(struct irq_data *d)
 {
+	unsigned int group, intr_bit, irq_nr = d->irq;
 	int ip = irq_nr - GROUP0_IRQ_BASE;
-	unsigned int group, intr_bit;
 	volatile unsigned int *addr;
 
 	if (ip < 0)
@@ -132,10 +132,10 @@ static void rb532_enable_irq(unsigned int irq_nr)
 	}
 }
 
-static void rb532_disable_irq(unsigned int irq_nr)
+static void rb532_disable_irq(struct irq_data *d)
 {
+	unsigned int group, intr_bit, mask, irq_nr = d->irq;
 	int ip = irq_nr - GROUP0_IRQ_BASE;
-	unsigned int group, intr_bit, mask;
 	volatile unsigned int *addr;
 
 	if (ip < 0) {
@@ -163,18 +163,18 @@ static void rb532_disable_irq(unsigned int irq_nr)
 	}
 }
 
-static void rb532_mask_and_ack_irq(unsigned int irq_nr)
+static void rb532_mask_and_ack_irq(struct irq_data *d)
 {
-	rb532_disable_irq(irq_nr);
-	ack_local_irq(group_to_ip(irq_to_group(irq_nr)));
+	rb532_disable_irq(d);
+	ack_local_irq(group_to_ip(irq_to_group(d->irq)));
 }
 
-static int rb532_set_type(unsigned int irq_nr, unsigned type)
+static int rb532_set_type(struct irq_data *d,  unsigned type)
 {
-	int gpio = irq_nr - GPIO_MAPPED_IRQ_BASE;
-	int group = irq_to_group(irq_nr);
+	int gpio = d->irq - GPIO_MAPPED_IRQ_BASE;
+	int group = irq_to_group(d->irq);
 
-	if (group != GPIO_MAPPED_IRQ_GROUP || irq_nr > (GROUP4_IRQ_BASE + 13))
+	if (group != GPIO_MAPPED_IRQ_GROUP || d->irq > (GROUP4_IRQ_BASE + 13))
 		return (type == IRQ_TYPE_LEVEL_HIGH) ? 0 : -EINVAL;
 
 	switch (type) {
@@ -193,11 +193,11 @@ static int rb532_set_type(unsigned int irq_nr, unsigned type)
 
 static struct irq_chip rc32434_irq_type = {
 	.name		= "RB532",
-	.ack		= rb532_disable_irq,
-	.mask		= rb532_disable_irq,
-	.mask_ack	= rb532_mask_and_ack_irq,
-	.unmask		= rb532_enable_irq,
-	.set_type	= rb532_set_type,
+	.irq_ack	= rb532_disable_irq,
+	.irq_mask	= rb532_disable_irq,
+	.irq_mask_ack	= rb532_mask_and_ack_irq,
+	.irq_unmask	= rb532_enable_irq,
+	.irq_set_type	= rb532_set_type,
 };
 
 void __init arch_init_irq(void)
@@ -207,8 +207,8 @@ void __init arch_init_irq(void)
 	pr_info("Initializing IRQ's: %d out of %d\n", RC32434_NR_IRQS, NR_IRQS);
 
 	for (i = 0; i < RC32434_NR_IRQS; i++)
-		set_irq_chip_and_handler(i,  &rc32434_irq_type,
-					handle_level_irq);
+		irq_set_chip_and_handler(i, &rc32434_irq_type,
+					 handle_level_irq);
 }
 
 /* Main Interrupt dispatcher */
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index 13d87d2e29aa..b4d08e4d2ea9 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -31,88 +31,80 @@ static char lc3msk_to_irqnr[256];
 
 extern int ip22_eisa_init(void);
 
-static void enable_local0_irq(unsigned int irq)
+static void enable_local0_irq(struct irq_data *d)
 {
 	/* don't allow mappable interrupt to be enabled from setup_irq,
 	 * we have our own way to do so */
-	if (irq != SGI_MAP_0_IRQ)
-		sgint->imask0 |= (1 << (irq - SGINT_LOCAL0));
+	if (d->irq != SGI_MAP_0_IRQ)
+		sgint->imask0 |= (1 << (d->irq - SGINT_LOCAL0));
 }
 
-static void disable_local0_irq(unsigned int irq)
+static void disable_local0_irq(struct irq_data *d)
 {
-	sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0));
+	sgint->imask0 &= ~(1 << (d->irq - SGINT_LOCAL0));
 }
 
 static struct irq_chip ip22_local0_irq_type = {
 	.name		= "IP22 local 0",
-	.ack		= disable_local0_irq,
-	.mask		= disable_local0_irq,
-	.mask_ack	= disable_local0_irq,
-	.unmask		= enable_local0_irq,
+	.irq_mask	= disable_local0_irq,
+	.irq_unmask	= enable_local0_irq,
 };
 
-static void enable_local1_irq(unsigned int irq)
+static void enable_local1_irq(struct irq_data *d)
 {
 	/* don't allow mappable interrupt to be enabled from setup_irq,
 	 * we have our own way to do so */
-	if (irq != SGI_MAP_1_IRQ)
-		sgint->imask1 |= (1 << (irq - SGINT_LOCAL1));
+	if (d->irq != SGI_MAP_1_IRQ)
+		sgint->imask1 |= (1 << (d->irq - SGINT_LOCAL1));
 }
 
-static void disable_local1_irq(unsigned int irq)
+static void disable_local1_irq(struct irq_data *d)
 {
-	sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
+	sgint->imask1 &= ~(1 << (d->irq - SGINT_LOCAL1));
 }
 
 static struct irq_chip ip22_local1_irq_type = {
 	.name		= "IP22 local 1",
-	.ack		= disable_local1_irq,
-	.mask		= disable_local1_irq,
-	.mask_ack	= disable_local1_irq,
-	.unmask		= enable_local1_irq,
+	.irq_mask	= disable_local1_irq,
+	.irq_unmask	= enable_local1_irq,
 };
 
-static void enable_local2_irq(unsigned int irq)
+static void enable_local2_irq(struct irq_data *d)
 {
 	sgint->imask0 |= (1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
-	sgint->cmeimask0 |= (1 << (irq - SGINT_LOCAL2));
+	sgint->cmeimask0 |= (1 << (d->irq - SGINT_LOCAL2));
 }
 
-static void disable_local2_irq(unsigned int irq)
+static void disable_local2_irq(struct irq_data *d)
 {
-	sgint->cmeimask0 &= ~(1 << (irq - SGINT_LOCAL2));
+	sgint->cmeimask0 &= ~(1 << (d->irq - SGINT_LOCAL2));
 	if (!sgint->cmeimask0)
 		sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
 }
 
 static struct irq_chip ip22_local2_irq_type = {
 	.name		= "IP22 local 2",
-	.ack		= disable_local2_irq,
-	.mask		= disable_local2_irq,
-	.mask_ack	= disable_local2_irq,
-	.unmask		= enable_local2_irq,
+	.irq_mask	= disable_local2_irq,
+	.irq_unmask	= enable_local2_irq,
 };
 
-static void enable_local3_irq(unsigned int irq)
+static void enable_local3_irq(struct irq_data *d)
 {
 	sgint->imask1 |= (1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
-	sgint->cmeimask1 |= (1 << (irq - SGINT_LOCAL3));
+	sgint->cmeimask1 |= (1 << (d->irq - SGINT_LOCAL3));
 }
 
-static void disable_local3_irq(unsigned int irq)
+static void disable_local3_irq(struct irq_data *d)
 {
-	sgint->cmeimask1 &= ~(1 << (irq - SGINT_LOCAL3));
+	sgint->cmeimask1 &= ~(1 << (d->irq - SGINT_LOCAL3));
 	if (!sgint->cmeimask1)
 		sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
 }
 
 static struct irq_chip ip22_local3_irq_type = {
 	.name		= "IP22 local 3",
-	.ack		= disable_local3_irq,
-	.mask		= disable_local3_irq,
-	.mask_ack	= disable_local3_irq,
-	.unmask		= enable_local3_irq,
+	.irq_mask	= disable_local3_irq,
+	.irq_unmask	= enable_local3_irq,
 };
 
 static void indy_local0_irqdispatch(void)
@@ -320,7 +312,7 @@ void __init arch_init_irq(void)
 		else
 			handler		= &ip22_local3_irq_type;
 
-		set_irq_chip_and_handler(i, handler, handle_level_irq);
+		irq_set_chip_and_handler(i, handler, handle_level_irq);
 	}
 
 	/* vector handler. this register the IRQ as non-sharable */
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig
index 5e960ae9735a..bc5e9769bb73 100644
--- a/arch/mips/sgi-ip27/Kconfig
+++ b/arch/mips/sgi-ip27/Kconfig
@@ -1,7 +1,7 @@
 #config SGI_SN0_XXL
 #	bool "IP27 XXL"
 #	depends on SGI_IP27
-#	  This options adds support for userspace processes upto 16TB size.
+#	  This options adds support for userspace processes up to 16TB size.
 #	  Normally the limit is just .5TB.
 
 choice
diff --git a/arch/mips/sgi-ip27/TODO b/arch/mips/sgi-ip27/TODO
index 19f1512c8f2e..160857ff1483 100644
--- a/arch/mips/sgi-ip27/TODO
+++ b/arch/mips/sgi-ip27/TODO
@@ -13,7 +13,7 @@ being invoked on all nodes in ip27-memory.c.
 9. start_thread must turn off UX64 ... and define tlb_refill_debug.
 10. Need a bad pmd table, bad pte table. __bad_pmd_table/__bad_pagetable
 does not agree with pgd_bad/pmd_bad.
-11. All intrs (ip27_do_irq handlers) are targetted at cpu A on the node.
+11. All intrs (ip27_do_irq handlers) are targeted at cpu A on the node.
 This might need to change later. Only the timer intr is set up to be
 received on both Cpu A and B. (ip27_do_irq()/bridge_startup())
 13. Cache flushing (specially the SMP version) has to be investigated.
diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c
index 51d3a4f2d7e1..923c080f77bd 100644
--- a/arch/mips/sgi-ip27/ip27-init.c
+++ b/arch/mips/sgi-ip27/ip27-init.c
@@ -93,7 +93,7 @@ static void __cpuinit per_hub_init(cnodeid_t cnode)
 
 	/*
 	 * Some interrupts are reserved by hardware or by software convention.
-	 * Mark these as reserved right away so they won't be used accidently
+	 * Mark these as reserved right away so they won't be used accidentally
 	 * later.
 	 */
 	for (i = 0; i <= BASE_PCI_IRQ; i++) {
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 6a123ea72de5..0a04603d577c 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -41,7 +41,7 @@
  * Linux has a controller-independent x86 interrupt architecture.
  * every controller has a 'controller-template', that is used
  * by the main code to do the right thing. Each driver-visible
- * interrupt source is transparently wired to the apropriate
+ * interrupt source is transparently wired to the appropriate
  * controller. Thus drivers need not be aware of the
  * interrupt-controller.
  *
@@ -240,7 +240,7 @@ static int intr_disconnect_level(int cpu, int bit)
 }
 
 /* Startup one of the (PCI ...) IRQs routes over a bridge.  */
-static unsigned int startup_bridge_irq(unsigned int irq)
+static unsigned int startup_bridge_irq(struct irq_data *d)
 {
 	struct bridge_controller *bc;
 	bridgereg_t device;
@@ -248,16 +248,16 @@ static unsigned int startup_bridge_irq(unsigned int irq)
 	int pin, swlevel;
 	cpuid_t cpu;
 
-	pin = SLOT_FROM_PCI_IRQ(irq);
-	bc = IRQ_TO_BRIDGE(irq);
+	pin = SLOT_FROM_PCI_IRQ(d->irq);
+	bc = IRQ_TO_BRIDGE(d->irq);
 	bridge = bc->base;
 
-	pr_debug("bridge_startup(): irq= 0x%x  pin=%d\n", irq, pin);
+	pr_debug("bridge_startup(): irq= 0x%x  pin=%d\n", d->irq, pin);
 	/*
 	 * "map" irq to a swlevel greater than 6 since the first 6 bits
 	 * of INT_PEND0 are taken
 	 */
-	swlevel = find_level(&cpu, irq);
+	swlevel = find_level(&cpu, d->irq);
 	bridge->b_int_addr[pin].addr = (0x20000 | swlevel | (bc->nasid << 8));
 	bridge->b_int_enable |= (1 << pin);
 	bridge->b_int_enable |= 0x7ffffe00;	/* more stuff in int_enable */
@@ -288,58 +288,56 @@ static unsigned int startup_bridge_irq(unsigned int irq)
 }
 
 /* Shutdown one of the (PCI ...) IRQs routes over a bridge.  */
-static void shutdown_bridge_irq(unsigned int irq)
+static void shutdown_bridge_irq(struct irq_data *d)
 {
-	struct bridge_controller *bc = IRQ_TO_BRIDGE(irq);
+	struct bridge_controller *bc = IRQ_TO_BRIDGE(d->irq);
 	bridge_t *bridge = bc->base;
 	int pin, swlevel;
 	cpuid_t cpu;
 
-	pr_debug("bridge_shutdown: irq 0x%x\n", irq);
-	pin = SLOT_FROM_PCI_IRQ(irq);
+	pr_debug("bridge_shutdown: irq 0x%x\n", d->irq);
+	pin = SLOT_FROM_PCI_IRQ(d->irq);
 
 	/*
 	 * map irq to a swlevel greater than 6 since the first 6 bits
 	 * of INT_PEND0 are taken
 	 */
-	swlevel = find_level(&cpu, irq);
+	swlevel = find_level(&cpu, d->irq);
 	intr_disconnect_level(cpu, swlevel);
 
 	bridge->b_int_enable &= ~(1 << pin);
 	bridge->b_wid_tflush;
 }
 
-static inline void enable_bridge_irq(unsigned int irq)
+static inline void enable_bridge_irq(struct irq_data *d)
 {
 	cpuid_t cpu;
 	int swlevel;
 
-	swlevel = find_level(&cpu, irq);	/* Criminal offence */
+	swlevel = find_level(&cpu, d->irq);	/* Criminal offence */
 	intr_connect_level(cpu, swlevel);
 }
 
-static inline void disable_bridge_irq(unsigned int irq)
+static inline void disable_bridge_irq(struct irq_data *d)
 {
 	cpuid_t cpu;
 	int swlevel;
 
-	swlevel = find_level(&cpu, irq);	/* Criminal offence */
+	swlevel = find_level(&cpu, d->irq);	/* Criminal offence */
 	intr_disconnect_level(cpu, swlevel);
 }
 
 static struct irq_chip bridge_irq_type = {
 	.name		= "bridge",
-	.startup	= startup_bridge_irq,
-	.shutdown	= shutdown_bridge_irq,
-	.ack		= disable_bridge_irq,
-	.mask		= disable_bridge_irq,
-	.mask_ack	= disable_bridge_irq,
-	.unmask		= enable_bridge_irq,
+	.irq_startup	= startup_bridge_irq,
+	.irq_shutdown	= shutdown_bridge_irq,
+	.irq_mask	= disable_bridge_irq,
+	.irq_unmask	= enable_bridge_irq,
 };
 
 void __devinit register_bridge_irq(unsigned int irq)
 {
-	set_irq_chip_and_handler(irq, &bridge_irq_type, handle_level_irq);
+	irq_set_chip_and_handler(irq, &bridge_irq_type, handle_level_irq);
 }
 
 int __devinit request_bridge_irq(struct bridge_controller *bc)
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index d6802d6d1f82..a152538d3c97 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -36,21 +36,18 @@
 #include <asm/sn/sn0/hubio.h>
 #include <asm/pci/bridge.h>
 
-static void enable_rt_irq(unsigned int irq)
+static void enable_rt_irq(struct irq_data *d)
 {
 }
 
-static void disable_rt_irq(unsigned int irq)
+static void disable_rt_irq(struct irq_data *d)
 {
 }
 
 static struct irq_chip rt_irq_type = {
 	.name		= "SN HUB RT timer",
-	.ack		= disable_rt_irq,
-	.mask		= disable_rt_irq,
-	.mask_ack	= disable_rt_irq,
-	.unmask		= enable_rt_irq,
-	.eoi		= enable_rt_irq,
+	.irq_mask	= disable_rt_irq,
+	.irq_unmask	= enable_rt_irq,
 };
 
 static int rt_next_event(unsigned long delta, struct clock_event_device *evt)
@@ -156,7 +153,7 @@ static void __init hub_rt_clock_event_global_init(void)
 			panic("Allocation of irq number for timer failed");
 	} while (xchg(&rt_timer_irq, irq));
 
-	set_irq_chip_and_handler(irq, &rt_irq_type, handle_percpu_irq);
+	irq_set_chip_and_handler(irq, &rt_irq_type, handle_percpu_irq);
 	setup_irq(irq, &hub_rt_irqaction);
 }
 
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index eb40824b172a..c65ea76d56c7 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -130,70 +130,48 @@ static struct irqaction cpuerr_irq = {
 
 static uint64_t crime_mask;
 
-static inline void crime_enable_irq(unsigned int irq)
+static inline void crime_enable_irq(struct irq_data *d)
 {
-	unsigned int bit = irq - CRIME_IRQ_BASE;
+	unsigned int bit = d->irq - CRIME_IRQ_BASE;
 
 	crime_mask |= 1 << bit;
 	crime->imask = crime_mask;
 }
 
-static inline void crime_disable_irq(unsigned int irq)
+static inline void crime_disable_irq(struct irq_data *d)
 {
-	unsigned int bit = irq - CRIME_IRQ_BASE;
+	unsigned int bit = d->irq - CRIME_IRQ_BASE;
 
 	crime_mask &= ~(1 << bit);
 	crime->imask = crime_mask;
 	flush_crime_bus();
 }
 
-static void crime_level_mask_and_ack_irq(unsigned int irq)
-{
-	crime_disable_irq(irq);
-}
-
-static void crime_level_end_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		crime_enable_irq(irq);
-}
-
 static struct irq_chip crime_level_interrupt = {
 	.name		= "IP32 CRIME",
-	.ack		= crime_level_mask_and_ack_irq,
-	.mask		= crime_disable_irq,
-	.mask_ack	= crime_level_mask_and_ack_irq,
-	.unmask		= crime_enable_irq,
-	.end		= crime_level_end_irq,
+	.irq_mask	= crime_disable_irq,
+	.irq_unmask	= crime_enable_irq,
 };
 
-static void crime_edge_mask_and_ack_irq(unsigned int irq)
+static void crime_edge_mask_and_ack_irq(struct irq_data *d)
 {
-	unsigned int bit = irq - CRIME_IRQ_BASE;
+	unsigned int bit = d->irq - CRIME_IRQ_BASE;
 	uint64_t crime_int;
 
 	/* Edge triggered interrupts must be cleared. */
-
 	crime_int = crime->hard_int;
 	crime_int &= ~(1 << bit);
 	crime->hard_int = crime_int;
 
-	crime_disable_irq(irq);
-}
-
-static void crime_edge_end_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		crime_enable_irq(irq);
+	crime_disable_irq(d);
 }
 
 static struct irq_chip crime_edge_interrupt = {
 	.name		= "IP32 CRIME",
-	.ack		= crime_edge_mask_and_ack_irq,
-	.mask		= crime_disable_irq,
-	.mask_ack	= crime_edge_mask_and_ack_irq,
-	.unmask		= crime_enable_irq,
-	.end		= crime_edge_end_irq,
+	.irq_ack	= crime_edge_mask_and_ack_irq,
+	.irq_mask	= crime_disable_irq,
+	.irq_mask_ack	= crime_edge_mask_and_ack_irq,
+	.irq_unmask	= crime_enable_irq,
 };
 
 /*
@@ -204,37 +182,28 @@ static struct irq_chip crime_edge_interrupt = {
 
 static unsigned long macepci_mask;
 
-static void enable_macepci_irq(unsigned int irq)
+static void enable_macepci_irq(struct irq_data *d)
 {
-	macepci_mask |= MACEPCI_CONTROL_INT(irq - MACEPCI_SCSI0_IRQ);
+	macepci_mask |= MACEPCI_CONTROL_INT(d->irq - MACEPCI_SCSI0_IRQ);
 	mace->pci.control = macepci_mask;
-	crime_mask |= 1 << (irq - CRIME_IRQ_BASE);
+	crime_mask |= 1 << (d->irq - CRIME_IRQ_BASE);
 	crime->imask = crime_mask;
 }
 
-static void disable_macepci_irq(unsigned int irq)
+static void disable_macepci_irq(struct irq_data *d)
 {
-	crime_mask &= ~(1 << (irq - CRIME_IRQ_BASE));
+	crime_mask &= ~(1 << (d->irq - CRIME_IRQ_BASE));
 	crime->imask = crime_mask;
 	flush_crime_bus();
-	macepci_mask &= ~MACEPCI_CONTROL_INT(irq - MACEPCI_SCSI0_IRQ);
+	macepci_mask &= ~MACEPCI_CONTROL_INT(d->irq - MACEPCI_SCSI0_IRQ);
 	mace->pci.control = macepci_mask;
 	flush_mace_bus();
 }
 
-static void end_macepci_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_macepci_irq(irq);
-}
-
 static struct irq_chip ip32_macepci_interrupt = {
 	.name = "IP32 MACE PCI",
-	.ack = disable_macepci_irq,
-	.mask = disable_macepci_irq,
-	.mask_ack = disable_macepci_irq,
-	.unmask = enable_macepci_irq,
-	.end = end_macepci_irq,
+	.irq_mask = disable_macepci_irq,
+	.irq_unmask = enable_macepci_irq,
 };
 
 /* This is used for MACE ISA interrupts.  That means bits 4-6 in the
@@ -276,13 +245,13 @@ static struct irq_chip ip32_macepci_interrupt = {
 
 static unsigned long maceisa_mask;
 
-static void enable_maceisa_irq(unsigned int irq)
+static void enable_maceisa_irq(struct irq_data *d)
 {
 	unsigned int crime_int = 0;
 
-	pr_debug("maceisa enable: %u\n", irq);
+	pr_debug("maceisa enable: %u\n", d->irq);
 
-	switch (irq) {
+	switch (d->irq) {
 	case MACEISA_AUDIO_SW_IRQ ... MACEISA_AUDIO3_MERR_IRQ:
 		crime_int = MACE_AUDIO_INT;
 		break;
@@ -296,15 +265,15 @@ static void enable_maceisa_irq(unsigned int irq)
 	pr_debug("crime_int %08x enabled\n", crime_int);
 	crime_mask |= crime_int;
 	crime->imask = crime_mask;
-	maceisa_mask |= 1 << (irq - MACEISA_AUDIO_SW_IRQ);
+	maceisa_mask |= 1 << (d->irq - MACEISA_AUDIO_SW_IRQ);
 	mace->perif.ctrl.imask = maceisa_mask;
 }
 
-static void disable_maceisa_irq(unsigned int irq)
+static void disable_maceisa_irq(struct irq_data *d)
 {
 	unsigned int crime_int = 0;
 
-	maceisa_mask &= ~(1 << (irq - MACEISA_AUDIO_SW_IRQ));
+	maceisa_mask &= ~(1 << (d->irq - MACEISA_AUDIO_SW_IRQ));
         if (!(maceisa_mask & MACEISA_AUDIO_INT))
 		crime_int |= MACE_AUDIO_INT;
         if (!(maceisa_mask & MACEISA_MISC_INT))
@@ -318,76 +287,57 @@ static void disable_maceisa_irq(unsigned int irq)
 	flush_mace_bus();
 }
 
-static void mask_and_ack_maceisa_irq(unsigned int irq)
+static void mask_and_ack_maceisa_irq(struct irq_data *d)
 {
 	unsigned long mace_int;
 
 	/* edge triggered */
 	mace_int = mace->perif.ctrl.istat;
-	mace_int &= ~(1 << (irq - MACEISA_AUDIO_SW_IRQ));
+	mace_int &= ~(1 << (d->irq - MACEISA_AUDIO_SW_IRQ));
 	mace->perif.ctrl.istat = mace_int;
 
-	disable_maceisa_irq(irq);
-}
-
-static void end_maceisa_irq(unsigned irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		enable_maceisa_irq(irq);
+	disable_maceisa_irq(d);
 }
 
 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,
+	.irq_mask	= disable_maceisa_irq,
+	.irq_unmask	= enable_maceisa_irq,
 };
 
 static struct irq_chip ip32_maceisa_edge_interrupt = {
 	.name		= "IP32 MACE ISA",
-	.ack		= mask_and_ack_maceisa_irq,
-	.mask		= disable_maceisa_irq,
-	.mask_ack	= mask_and_ack_maceisa_irq,
-	.unmask		= enable_maceisa_irq,
-	.end		= end_maceisa_irq,
+	.irq_ack	= mask_and_ack_maceisa_irq,
+	.irq_mask	= disable_maceisa_irq,
+	.irq_mask_ack	= mask_and_ack_maceisa_irq,
+	.irq_unmask	= enable_maceisa_irq,
 };
 
 /* This is used for regular non-ISA, non-PCI MACE interrupts.  That means
  * bits 0-3 and 7 in the CRIME register.
  */
 
-static void enable_mace_irq(unsigned int irq)
+static void enable_mace_irq(struct irq_data *d)
 {
-	unsigned int bit = irq - CRIME_IRQ_BASE;
+	unsigned int bit = d->irq - CRIME_IRQ_BASE;
 
 	crime_mask |= (1 << bit);
 	crime->imask = crime_mask;
 }
 
-static void disable_mace_irq(unsigned int irq)
+static void disable_mace_irq(struct irq_data *d)
 {
-	unsigned int bit = irq - CRIME_IRQ_BASE;
+	unsigned int bit = d->irq - CRIME_IRQ_BASE;
 
 	crime_mask &= ~(1 << bit);
 	crime->imask = crime_mask;
 	flush_crime_bus();
 }
 
-static void end_mace_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_mace_irq(irq);
-}
-
 static struct irq_chip ip32_mace_interrupt = {
 	.name = "IP32 MACE",
-	.ack = disable_mace_irq,
-	.mask = disable_mace_irq,
-	.mask_ack = disable_mace_irq,
-	.unmask = enable_mace_irq,
-	.end = end_mace_irq,
+	.irq_mask = disable_mace_irq,
+	.irq_unmask = enable_mace_irq,
 };
 
 static void ip32_unknown_interrupt(void)
@@ -501,43 +451,51 @@ 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_and_handler_name(irq,&ip32_mace_interrupt,
-				handle_level_irq, "level");
+			irq_set_chip_and_handler_name(irq,
+						      &ip32_mace_interrupt,
+						      handle_level_irq,
+						      "level");
 			break;
 
 		case MACEPCI_SCSI0_IRQ ...  MACEPCI_SHARED2_IRQ:
-			set_irq_chip_and_handler_name(irq,
-				&ip32_macepci_interrupt, handle_level_irq,
-				"level");
+			irq_set_chip_and_handler_name(irq,
+						      &ip32_macepci_interrupt,
+						      handle_level_irq,
+						      "level");
 			break;
 
 		case CRIME_CPUERR_IRQ:
 		case CRIME_MEMERR_IRQ:
-			set_irq_chip_and_handler_name(irq,
-				&crime_level_interrupt, handle_level_irq,
-				"level");
+			irq_set_chip_and_handler_name(irq,
+						      &crime_level_interrupt,
+						      handle_level_irq,
+						      "level");
 			break;
 
 		case CRIME_GBE0_IRQ ... CRIME_GBE3_IRQ:
 		case CRIME_RE_EMPTY_E_IRQ ... CRIME_RE_IDLE_E_IRQ:
 		case CRIME_SOFT0_IRQ ... CRIME_SOFT2_IRQ:
 		case CRIME_VICE_IRQ:
-			set_irq_chip_and_handler_name(irq,
-				&crime_edge_interrupt, handle_edge_irq, "edge");
+			irq_set_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");
+			irq_set_chip_and_handler_name(irq,
+						      &ip32_maceisa_edge_interrupt,
+						      handle_edge_irq,
+						      "edge");
 			break;
 
 		default:
-			set_irq_chip_and_handler_name(irq,
-				&ip32_maceisa_level_interrupt, handle_level_irq,
-				"level");
+			irq_set_chip_and_handler_name(irq,
+						      &ip32_maceisa_level_interrupt,
+						      handle_level_irq,
+						      "level");
 			break;
 		}
 	}
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 044bbe462c2c..09740d60e187 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -44,31 +44,10 @@
  * for interrupt lines
  */
 
-
-static void end_bcm1480_irq(unsigned int irq);
-static void enable_bcm1480_irq(unsigned int irq);
-static void disable_bcm1480_irq(unsigned int irq);
-static void ack_bcm1480_irq(unsigned int irq);
-#ifdef CONFIG_SMP
-static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask);
-#endif
-
 #ifdef CONFIG_PCI
 extern unsigned long ht_eoi_space;
 #endif
 
-static struct irq_chip bcm1480_irq_type = {
-	.name = "BCM1480-IMR",
-	.ack = ack_bcm1480_irq,
-	.mask = disable_bcm1480_irq,
-	.mask_ack = ack_bcm1480_irq,
-	.unmask = enable_bcm1480_irq,
-	.end = end_bcm1480_irq,
-#ifdef CONFIG_SMP
-	.set_affinity = bcm1480_set_affinity
-#endif
-};
-
 /* Store the CPU id (not the logical number) */
 int bcm1480_irq_owner[BCM1480_NR_IRQS];
 
@@ -109,12 +88,13 @@ void bcm1480_unmask_irq(int cpu, int irq)
 }
 
 #ifdef CONFIG_SMP
-static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask)
+static int bcm1480_set_affinity(struct irq_data *d, const struct cpumask *mask,
+				bool force)
 {
+	unsigned int irq_dirty, irq = d->irq;
 	int i = 0, old_cpu, cpu, int_on, k;
 	u64 cur_ints;
 	unsigned long flags;
-	unsigned int irq_dirty;
 
 	i = cpumask_first(mask);
 
@@ -156,21 +136,25 @@ static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask)
 
 /*****************************************************************************/
 
-static void disable_bcm1480_irq(unsigned int irq)
+static void disable_bcm1480_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	bcm1480_mask_irq(bcm1480_irq_owner[irq], irq);
 }
 
-static void enable_bcm1480_irq(unsigned int irq)
+static void enable_bcm1480_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
+
 	bcm1480_unmask_irq(bcm1480_irq_owner[irq], irq);
 }
 
 
-static void ack_bcm1480_irq(unsigned int irq)
+static void ack_bcm1480_irq(struct irq_data *d)
 {
+	unsigned int irq_dirty, irq = d->irq;
 	u64 pending;
-	unsigned int irq_dirty;
 	int k;
 
 	/*
@@ -217,21 +201,23 @@ static void ack_bcm1480_irq(unsigned int irq)
 	bcm1480_mask_irq(bcm1480_irq_owner[irq], irq);
 }
 
-
-static void end_bcm1480_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-		bcm1480_unmask_irq(bcm1480_irq_owner[irq], irq);
-	}
-}
-
+static struct irq_chip bcm1480_irq_type = {
+	.name = "BCM1480-IMR",
+	.irq_mask_ack = ack_bcm1480_irq,
+	.irq_mask = disable_bcm1480_irq,
+	.irq_unmask = enable_bcm1480_irq,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = bcm1480_set_affinity
+#endif
+};
 
 void __init init_bcm1480_irqs(void)
 {
 	int i;
 
 	for (i = 0; i < BCM1480_NR_IRQS; i++) {
-		set_irq_chip_and_handler(i, &bcm1480_irq_type, handle_level_irq);
+		irq_set_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 12ac04a658ee..be4460a5f6a8 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -43,31 +43,10 @@
  * for interrupt lines
  */
 
-
-static void end_sb1250_irq(unsigned int irq);
-static void enable_sb1250_irq(unsigned int irq);
-static void disable_sb1250_irq(unsigned int irq);
-static void ack_sb1250_irq(unsigned int irq);
-#ifdef CONFIG_SMP
-static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask);
-#endif
-
 #ifdef CONFIG_SIBYTE_HAS_LDT
 extern unsigned long ldt_eoi_space;
 #endif
 
-static struct irq_chip sb1250_irq_type = {
-	.name = "SB1250-IMR",
-	.ack = ack_sb1250_irq,
-	.mask = disable_sb1250_irq,
-	.mask_ack = ack_sb1250_irq,
-	.unmask = enable_sb1250_irq,
-	.end = end_sb1250_irq,
-#ifdef CONFIG_SMP
-	.set_affinity = sb1250_set_affinity
-#endif
-};
-
 /* Store the CPU id (not the logical number) */
 int sb1250_irq_owner[SB1250_NR_IRQS];
 
@@ -102,9 +81,11 @@ void sb1250_unmask_irq(int cpu, int irq)
 }
 
 #ifdef CONFIG_SMP
-static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
+static int sb1250_set_affinity(struct irq_data *d, const struct cpumask *mask,
+			       bool force)
 {
 	int i = 0, old_cpu, cpu, int_on;
+	unsigned int irq = d->irq;
 	u64 cur_ints;
 	unsigned long flags;
 
@@ -142,21 +123,17 @@ static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
 }
 #endif
 
-/*****************************************************************************/
-
-static void disable_sb1250_irq(unsigned int irq)
+static void enable_sb1250_irq(struct irq_data *d)
 {
-	sb1250_mask_irq(sb1250_irq_owner[irq], irq);
-}
+	unsigned int irq = d->irq;
 
-static void enable_sb1250_irq(unsigned int irq)
-{
 	sb1250_unmask_irq(sb1250_irq_owner[irq], irq);
 }
 
 
-static void ack_sb1250_irq(unsigned int irq)
+static void ack_sb1250_irq(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
 #ifdef CONFIG_SIBYTE_HAS_LDT
 	u64 pending;
 
@@ -199,21 +176,22 @@ static void ack_sb1250_irq(unsigned int irq)
 	sb1250_mask_irq(sb1250_irq_owner[irq], irq);
 }
 
-
-static void end_sb1250_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-		sb1250_unmask_irq(sb1250_irq_owner[irq], irq);
-	}
-}
-
+static struct irq_chip sb1250_irq_type = {
+	.name = "SB1250-IMR",
+	.irq_mask_ack = ack_sb1250_irq,
+	.irq_unmask = enable_sb1250_irq,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = sb1250_set_affinity
+#endif
+};
 
 void __init init_sb1250_irqs(void)
 {
 	int i;
 
 	for (i = 0; i < SB1250_NR_IRQS; i++) {
-		set_irq_chip_and_handler(i, &sb1250_irq_type, handle_level_irq);
+		irq_set_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 bbe7187879fa..c48194c3073b 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -168,33 +168,22 @@ static u32 a20r_ack_hwint(void)
 	return status;
 }
 
-static inline void unmask_a20r_irq(unsigned int irq)
+static inline void unmask_a20r_irq(struct irq_data *d)
 {
-	set_c0_status(0x100 << (irq - SNI_A20R_IRQ_BASE));
+	set_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
 	irq_enable_hazard();
 }
 
-static inline void mask_a20r_irq(unsigned int irq)
+static inline void mask_a20r_irq(struct irq_data *d)
 {
-	clear_c0_status(0x100 << (irq - SNI_A20R_IRQ_BASE));
+	clear_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
 	irq_disable_hazard();
 }
 
-static void end_a20r_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-		a20r_ack_hwint();
-		unmask_a20r_irq(irq);
-	}
-}
-
 static struct irq_chip a20r_irq_type = {
 	.name		= "A20R",
-	.ack		= mask_a20r_irq,
-	.mask		= mask_a20r_irq,
-	.mask_ack	= mask_a20r_irq,
-	.unmask		= unmask_a20r_irq,
-	.end		= end_a20r_irq,
+	.irq_mask	= mask_a20r_irq,
+	.irq_unmask	= unmask_a20r_irq,
 };
 
 /*
@@ -220,7 +209,7 @@ 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_and_handler(i, &a20r_irq_type, handle_level_irq);
+		irq_set_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 8c92c73bc717..ed3b3d317358 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -194,33 +194,24 @@ static struct pci_controller sni_controller = {
 	.io_map_base    = SNI_PORT_BASE
 };
 
-static void enable_pcimt_irq(unsigned int irq)
+static void enable_pcimt_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - PCIMT_IRQ_INT2);
+	unsigned int mask = 1 << (d->irq - PCIMT_IRQ_INT2);
 
 	*(volatile u8 *) PCIMT_IRQSEL |= mask;
 }
 
-void disable_pcimt_irq(unsigned int irq)
+void disable_pcimt_irq(struct irq_data *d)
 {
-	unsigned int mask = ~(1 << (irq - PCIMT_IRQ_INT2));
+	unsigned int mask = ~(1 << (d->irq - PCIMT_IRQ_INT2));
 
 	*(volatile u8 *) PCIMT_IRQSEL &= mask;
 }
 
-static void end_pcimt_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_pcimt_irq(irq);
-}
-
 static struct irq_chip pcimt_irq_type = {
 	.name = "PCIMT",
-	.ack = disable_pcimt_irq,
-	.mask = disable_pcimt_irq,
-	.mask_ack = disable_pcimt_irq,
-	.unmask = enable_pcimt_irq,
-	.end = end_pcimt_irq,
+	.irq_mask = disable_pcimt_irq,
+	.irq_unmask = enable_pcimt_irq,
 };
 
 /*
@@ -305,7 +296,7 @@ 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_and_handler(i, &pcimt_irq_type, handle_level_irq);
+		irq_set_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 dc9874553bec..b5246373d16b 100644
--- a/arch/mips/sni/pcit.c
+++ b/arch/mips/sni/pcit.c
@@ -156,33 +156,24 @@ static struct pci_controller sni_pcit_controller = {
 	.io_map_base    = SNI_PORT_BASE
 };
 
-static void enable_pcit_irq(unsigned int irq)
+static void enable_pcit_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (irq - SNI_PCIT_INT_START + 24);
+	u32 mask = 1 << (d->irq - SNI_PCIT_INT_START + 24);
 
 	*(volatile u32 *)SNI_PCIT_INT_REG |= mask;
 }
 
-void disable_pcit_irq(unsigned int irq)
+void disable_pcit_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (irq - SNI_PCIT_INT_START + 24);
+	u32 mask = 1 << (d->irq - SNI_PCIT_INT_START + 24);
 
 	*(volatile u32 *)SNI_PCIT_INT_REG &= ~mask;
 }
 
-void end_pcit_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_pcit_irq(irq);
-}
-
 static struct irq_chip pcit_irq_type = {
 	.name = "PCIT",
-	.ack = disable_pcit_irq,
-	.mask = disable_pcit_irq,
-	.mask_ack = disable_pcit_irq,
-	.unmask = enable_pcit_irq,
-	.end = end_pcit_irq,
+	.irq_mask = disable_pcit_irq,
+	.irq_unmask = enable_pcit_irq,
 };
 
 static void pcit_hwint1(void)
@@ -247,7 +238,7 @@ 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_and_handler(i, &pcit_irq_type, handle_level_irq);
+		irq_set_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);
@@ -260,7 +251,7 @@ 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_and_handler(i, &pcit_irq_type, handle_level_irq);
+		irq_set_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 0e6f42c2bbc8..a7e5a6d917b1 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -155,12 +155,11 @@ static __iomem u8 *rm200_pic_slave;
 #define cached_master_mask	(rm200_cached_irq_mask)
 #define cached_slave_mask	(rm200_cached_irq_mask >> 8)
 
-static void sni_rm200_disable_8259A_irq(unsigned int irq)
+static void sni_rm200_disable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	mask = 1 << irq;
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	rm200_cached_irq_mask |= mask;
@@ -171,12 +170,11 @@ static void sni_rm200_disable_8259A_irq(unsigned int irq)
 	raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
 }
 
-static void sni_rm200_enable_8259A_irq(unsigned int irq)
+static void sni_rm200_enable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	mask = ~(1 << irq);
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	rm200_cached_irq_mask &= mask;
@@ -210,12 +208,11 @@ static inline int sni_rm200_i8259A_irq_real(unsigned int irq)
  * first, _then_ send the EOI, and the order of EOI
  * to the two 8259s is important!
  */
-void sni_rm200_mask_and_ack_8259A(unsigned int irq)
+void sni_rm200_mask_and_ack_8259A(struct irq_data *d)
 {
-	unsigned int irqmask;
+	unsigned int irqmask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	irqmask = 1 << irq;
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	/*
@@ -285,9 +282,9 @@ spurious_8259A_irq:
 
 static struct irq_chip sni_rm200_i8259A_chip = {
 	.name		= "RM200-XT-PIC",
-	.mask		= sni_rm200_disable_8259A_irq,
-	.unmask		= sni_rm200_enable_8259A_irq,
-	.mask_ack	= sni_rm200_mask_and_ack_8259A,
+	.irq_mask	= sni_rm200_disable_8259A_irq,
+	.irq_unmask	= sni_rm200_enable_8259A_irq,
+	.irq_mask_ack	= sni_rm200_mask_and_ack_8259A,
 };
 
 /*
@@ -416,7 +413,7 @@ void __init sni_rm200_i8259_irqs(void)
 	sni_rm200_init_8259A();
 
 	for (i = RM200_I8259A_IRQ_BASE; i < RM200_I8259A_IRQ_BASE + 16; i++)
-		set_irq_chip_and_handler(i, &sni_rm200_i8259A_chip,
+		irq_set_chip_and_handler(i, &sni_rm200_i8259A_chip,
 					 handle_level_irq);
 
 	setup_irq(RM200_I8259A_IRQ_BASE + PIC_CASCADE_IR, &sni_rm200_irq2);
@@ -429,33 +426,24 @@ void __init sni_rm200_i8259_irqs(void)
 #define SNI_RM200_INT_START  24
 #define SNI_RM200_INT_END    28
 
-static void enable_rm200_irq(unsigned int irq)
+static void enable_rm200_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+	unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
 
 	*(volatile u8 *)SNI_RM200_INT_ENA_REG &= ~mask;
 }
 
-void disable_rm200_irq(unsigned int irq)
+void disable_rm200_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+	unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
 
 	*(volatile u8 *)SNI_RM200_INT_ENA_REG |= mask;
 }
 
-void end_rm200_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_rm200_irq(irq);
-}
-
 static struct irq_chip rm200_irq_type = {
 	.name = "RM200",
-	.ack = disable_rm200_irq,
-	.mask = disable_rm200_irq,
-	.mask_ack = disable_rm200_irq,
-	.unmask = enable_rm200_irq,
-	.end = end_rm200_irq,
+	.irq_mask = disable_rm200_irq,
+	.irq_unmask = enable_rm200_irq,
 };
 
 static void sni_rm200_hwint(void)
@@ -489,7 +477,7 @@ 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_and_handler(i, &rm200_irq_type, handle_level_irq);
+		irq_set_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/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c
index e1828e8bcaef..7e3ac5782da4 100644
--- a/arch/mips/txx9/generic/irq_tx4927.c
+++ b/arch/mips/txx9/generic/irq_tx4927.c
@@ -35,7 +35,7 @@ void __init tx4927_irq_init(void)
 
 	mips_cpu_irq_init();
 	txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL);
-	set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
+	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
 				handle_simple_irq);
 	/* raise priority for errors, timers, SIO */
 	txx9_irq_set_pri(TX4927_IR_ECCERR, 7);
diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c
index a6e6e805097a..aace85653329 100644
--- a/arch/mips/txx9/generic/irq_tx4938.c
+++ b/arch/mips/txx9/generic/irq_tx4938.c
@@ -23,7 +23,7 @@ void __init tx4938_irq_init(void)
 
 	mips_cpu_irq_init();
 	txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL);
-	set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,
+	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,
 				handle_simple_irq);
 	/* raise priority for errors, timers, SIO */
 	txx9_irq_set_pri(TX4938_IR_ECCERR, 7);
diff --git a/arch/mips/txx9/generic/irq_tx4939.c b/arch/mips/txx9/generic/irq_tx4939.c
index 3886ad77cbad..6b067dbd2ae1 100644
--- a/arch/mips/txx9/generic/irq_tx4939.c
+++ b/arch/mips/txx9/generic/irq_tx4939.c
@@ -50,9 +50,9 @@ static struct {
 	unsigned char mode;
 } tx4939irq[TX4939_NUM_IR] __read_mostly;
 
-static void tx4939_irq_unmask(unsigned int irq)
+static void tx4939_irq_unmask(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 __iomem *lvlp;
 	int ofs;
 	if (irq_nr < 32) {
@@ -68,9 +68,9 @@ static void tx4939_irq_unmask(unsigned int irq)
 		     lvlp);
 }
 
-static inline void tx4939_irq_mask(unsigned int irq)
+static inline void tx4939_irq_mask(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 __iomem *lvlp;
 	int ofs;
 	if (irq_nr < 32) {
@@ -87,11 +87,11 @@ static inline void tx4939_irq_mask(unsigned int irq)
 	mmiowb();
 }
 
-static void tx4939_irq_mask_ack(unsigned int irq)
+static void tx4939_irq_mask_ack(struct irq_data *d)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 
-	tx4939_irq_mask(irq);
+	tx4939_irq_mask(d);
 	if (TXx9_IRCR_EDGE(tx4939irq[irq_nr].mode)) {
 		irq_nr--;
 		/* clear edge detection */
@@ -101,9 +101,9 @@ static void tx4939_irq_mask_ack(unsigned int irq)
 	}
 }
 
-static int tx4939_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int tx4939_irq_set_type(struct irq_data *d, unsigned int flow_type)
 {
-	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
+	unsigned int irq_nr = d->irq - TXX9_IRQ_BASE;
 	u32 cr;
 	u32 __iomem *crp;
 	int ofs;
@@ -145,11 +145,11 @@ static int tx4939_irq_set_type(unsigned int irq, unsigned int flow_type)
 
 static struct irq_chip tx4939_irq_chip = {
 	.name		= "TX4939",
-	.ack		= tx4939_irq_mask_ack,
-	.mask		= tx4939_irq_mask,
-	.mask_ack	= tx4939_irq_mask_ack,
-	.unmask		= tx4939_irq_unmask,
-	.set_type	= tx4939_irq_set_type,
+	.irq_ack	= tx4939_irq_mask_ack,
+	.irq_mask	= tx4939_irq_mask,
+	.irq_mask_ack	= tx4939_irq_mask_ack,
+	.irq_unmask	= tx4939_irq_unmask,
+	.irq_set_type	= tx4939_irq_set_type,
 };
 
 static int tx4939_irq_set_pri(int irc_irq, int new_pri)
@@ -176,8 +176,8 @@ void __init tx4939_irq_init(void)
 	for (i = 1; i < TX4939_NUM_IR; i++) {
 		tx4939irq[i].level = 4; /* middle level */
 		tx4939irq[i].mode = TXx9_IRCR_LOW;
-		set_irq_chip_and_handler(TXX9_IRQ_BASE + i,
-					 &tx4939_irq_chip, handle_level_irq);
+		irq_set_chip_and_handler(TXX9_IRQ_BASE + i, &tx4939_irq_chip,
+					 handle_level_irq);
 	}
 
 	/* mask all IRC interrupts */
@@ -193,7 +193,7 @@ void __init tx4939_irq_init(void)
 	__raw_writel(TXx9_IRCER_ICE, &tx4939_ircptr->den.r);
 	__raw_writel(irc_elevel, &tx4939_ircptr->msk.r);
 
-	set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4939_IRC_INT,
+	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4939_IRC_INT,
 				handle_simple_irq);
 
 	/* raise priority for errors, timers, sio */
diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
index 0a7f8e3b9fd7..c22c859a2c49 100644
--- a/arch/mips/txx9/jmr3927/irq.c
+++ b/arch/mips/txx9/jmr3927/irq.c
@@ -47,20 +47,20 @@
  * CP0_STATUS is a thread's resource (saved/restored on context switch).
  * So disable_irq/enable_irq MUST handle IOC/IRC registers.
  */
-static void mask_irq_ioc(unsigned int irq)
+static void mask_irq_ioc(struct irq_data *d)
 {
 	/* 0: mask */
-	unsigned int irq_nr = irq - JMR3927_IRQ_IOC;
+	unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC;
 	unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR);
 	unsigned int bit = 1 << irq_nr;
 	jmr3927_ioc_reg_out(imask & ~bit, JMR3927_IOC_INTM_ADDR);
 	/* flush write buffer */
 	(void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR);
 }
-static void unmask_irq_ioc(unsigned int irq)
+static void unmask_irq_ioc(struct irq_data *d)
 {
 	/* 0: mask */
-	unsigned int irq_nr = irq - JMR3927_IRQ_IOC;
+	unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC;
 	unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR);
 	unsigned int bit = 1 << irq_nr;
 	jmr3927_ioc_reg_out(imask | bit, JMR3927_IOC_INTM_ADDR);
@@ -95,10 +95,8 @@ static int jmr3927_irq_dispatch(int pending)
 
 static struct irq_chip jmr3927_irq_ioc = {
 	.name = "jmr3927_ioc",
-	.ack = mask_irq_ioc,
-	.mask = mask_irq_ioc,
-	.mask_ack = mask_irq_ioc,
-	.unmask = unmask_irq_ioc,
+	.irq_mask = mask_irq_ioc,
+	.irq_unmask = unmask_irq_ioc,
 };
 
 void __init jmr3927_irq_setup(void)
@@ -122,8 +120,9 @@ void __init jmr3927_irq_setup(void)
 
 	tx3927_irq_init();
 	for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++)
-		set_irq_chip_and_handler(i, &jmr3927_irq_ioc, handle_level_irq);
+		irq_set_chip_and_handler(i, &jmr3927_irq_ioc,
+					 handle_level_irq);
 
 	/* setup IOC interrupt 1 (PCI, MODEM) */
-	set_irq_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
+	irq_set_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
 }
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index c4b54d20efd3..6c22c496090b 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -117,18 +117,6 @@
 #include <asm/txx9/generic.h>
 #include <asm/txx9/rbtx4927.h>
 
-static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
-static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
-
-#define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC"
-static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
-	.name = TOSHIBA_RBTX4927_IOC_NAME,
-	.ack = toshiba_rbtx4927_irq_ioc_disable,
-	.mask = toshiba_rbtx4927_irq_ioc_disable,
-	.mask_ack = toshiba_rbtx4927_irq_ioc_disable,
-	.unmask = toshiba_rbtx4927_irq_ioc_enable,
-};
-
 static int toshiba_rbtx4927_irq_nested(int sw_irq)
 {
 	u8 level3;
@@ -139,41 +127,47 @@ static int toshiba_rbtx4927_irq_nested(int sw_irq)
 	return RBTX4927_IRQ_IOC + __fls8(level3);
 }
 
-static void __init toshiba_rbtx4927_irq_ioc_init(void)
-{
-	int i;
-
-	/* mask all IOC interrupts */
-	writeb(0, rbtx4927_imask_addr);
-	/* clear SoftInt interrupts */
-	writeb(0, rbtx4927_softint_addr);
-
-	for (i = RBTX4927_IRQ_IOC;
-	     i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++)
-		set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,
-					 handle_level_irq);
-	set_irq_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq);
-}
-
-static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
+static void toshiba_rbtx4927_irq_ioc_enable(struct irq_data *d)
 {
 	unsigned char v;
 
 	v = readb(rbtx4927_imask_addr);
-	v |= (1 << (irq - RBTX4927_IRQ_IOC));
+	v |= (1 << (d->irq - RBTX4927_IRQ_IOC));
 	writeb(v, rbtx4927_imask_addr);
 }
 
-static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
+static void toshiba_rbtx4927_irq_ioc_disable(struct irq_data *d)
 {
 	unsigned char v;
 
 	v = readb(rbtx4927_imask_addr);
-	v &= ~(1 << (irq - RBTX4927_IRQ_IOC));
+	v &= ~(1 << (d->irq - RBTX4927_IRQ_IOC));
 	writeb(v, rbtx4927_imask_addr);
 	mmiowb();
 }
 
+#define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC"
+static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
+	.name = TOSHIBA_RBTX4927_IOC_NAME,
+	.irq_mask = toshiba_rbtx4927_irq_ioc_disable,
+	.irq_unmask = toshiba_rbtx4927_irq_ioc_enable,
+};
+
+static void __init toshiba_rbtx4927_irq_ioc_init(void)
+{
+	int i;
+
+	/* mask all IOC interrupts */
+	writeb(0, rbtx4927_imask_addr);
+	/* clear SoftInt interrupts */
+	writeb(0, rbtx4927_softint_addr);
+
+	for (i = RBTX4927_IRQ_IOC;
+	     i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++)
+		irq_set_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,
+					 handle_level_irq);
+	irq_set_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq);
+}
 
 static int rbtx4927_irq_dispatch(int pending)
 {
@@ -200,5 +194,5 @@ void __init rbtx4927_irq_setup(void)
 	tx4927_irq_init();
 	toshiba_rbtx4927_irq_ioc_init();
 	/* Onboard 10M Ether: High Active */
-	set_irq_type(RBTX4927_RTL_8019_IRQ, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(RBTX4927_RTL_8019_IRQ, IRQF_TRIGGER_HIGH);
 }
diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c
index 67a73a8065ec..58cd7a9272cc 100644
--- a/arch/mips/txx9/rbtx4938/irq.c
+++ b/arch/mips/txx9/rbtx4938/irq.c
@@ -69,18 +69,6 @@
 #include <asm/txx9/generic.h>
 #include <asm/txx9/rbtx4938.h>
 
-static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
-static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq);
-
-#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
-static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
-	.name = TOSHIBA_RBTX4938_IOC_NAME,
-	.ack = toshiba_rbtx4938_irq_ioc_disable,
-	.mask = toshiba_rbtx4938_irq_ioc_disable,
-	.mask_ack = toshiba_rbtx4938_irq_ioc_disable,
-	.unmask = toshiba_rbtx4938_irq_ioc_enable,
-};
-
 static int toshiba_rbtx4938_irq_nested(int sw_irq)
 {
 	u8 level3;
@@ -92,41 +80,33 @@ static int toshiba_rbtx4938_irq_nested(int sw_irq)
 	return RBTX4938_IRQ_IOC + __fls8(level3);
 }
 
-static void __init
-toshiba_rbtx4938_irq_ioc_init(void)
-{
-	int i;
-
-	for (i = RBTX4938_IRQ_IOC;
-	     i < RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC; i++)
-		set_irq_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type,
-					 handle_level_irq);
-
-	set_irq_chained_handler(RBTX4938_IRQ_IOCINT, handle_simple_irq);
-}
-
-static void
-toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
+static void toshiba_rbtx4938_irq_ioc_enable(struct irq_data *d)
 {
 	unsigned char v;
 
 	v = readb(rbtx4938_imask_addr);
-	v |= (1 << (irq - RBTX4938_IRQ_IOC));
+	v |= (1 << (d->irq - RBTX4938_IRQ_IOC));
 	writeb(v, rbtx4938_imask_addr);
 	mmiowb();
 }
 
-static void
-toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
+static void toshiba_rbtx4938_irq_ioc_disable(struct irq_data *d)
 {
 	unsigned char v;
 
 	v = readb(rbtx4938_imask_addr);
-	v &= ~(1 << (irq - RBTX4938_IRQ_IOC));
+	v &= ~(1 << (d->irq - RBTX4938_IRQ_IOC));
 	writeb(v, rbtx4938_imask_addr);
 	mmiowb();
 }
 
+#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
+static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
+	.name = TOSHIBA_RBTX4938_IOC_NAME,
+	.irq_mask = toshiba_rbtx4938_irq_ioc_disable,
+	.irq_unmask = toshiba_rbtx4938_irq_ioc_enable,
+};
+
 static int rbtx4938_irq_dispatch(int pending)
 {
 	int irq;
@@ -146,6 +126,18 @@ static int rbtx4938_irq_dispatch(int pending)
 	return irq;
 }
 
+static void __init toshiba_rbtx4938_irq_ioc_init(void)
+{
+	int i;
+
+	for (i = RBTX4938_IRQ_IOC;
+	     i < RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC; i++)
+		irq_set_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type,
+					 handle_level_irq);
+
+	irq_set_chained_handler(RBTX4938_IRQ_IOCINT, handle_simple_irq);
+}
+
 void __init rbtx4938_irq_setup(void)
 {
 	txx9_irq_dispatch = rbtx4938_irq_dispatch;
@@ -161,5 +153,5 @@ void __init rbtx4938_irq_setup(void)
 	tx4938_irq_init();
 	toshiba_rbtx4938_irq_ioc_init();
 	/* Onboard 10M Ether: High Active */
-	set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
+	irq_set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
 }
diff --git a/arch/mips/txx9/rbtx4939/irq.c b/arch/mips/txx9/rbtx4939/irq.c
index 57fa740a7205..69a80616f0c9 100644
--- a/arch/mips/txx9/rbtx4939/irq.c
+++ b/arch/mips/txx9/rbtx4939/irq.c
@@ -19,16 +19,16 @@
  * RBTX4939 IOC controller definition
  */
 
-static void rbtx4939_ioc_irq_unmask(unsigned int irq)
+static void rbtx4939_ioc_irq_unmask(struct irq_data *d)
 {
-	int ioc_nr = irq - RBTX4939_IRQ_IOC;
+	int ioc_nr = d->irq - RBTX4939_IRQ_IOC;
 
 	writeb(readb(rbtx4939_ien_addr) | (1 << ioc_nr), rbtx4939_ien_addr);
 }
 
-static void rbtx4939_ioc_irq_mask(unsigned int irq)
+static void rbtx4939_ioc_irq_mask(struct irq_data *d)
 {
-	int ioc_nr = irq - RBTX4939_IRQ_IOC;
+	int ioc_nr = d->irq - RBTX4939_IRQ_IOC;
 
 	writeb(readb(rbtx4939_ien_addr) & ~(1 << ioc_nr), rbtx4939_ien_addr);
 	mmiowb();
@@ -36,10 +36,8 @@ static void rbtx4939_ioc_irq_mask(unsigned int irq)
 
 static struct irq_chip rbtx4939_ioc_irq_chip = {
 	.name		= "IOC",
-	.ack		= rbtx4939_ioc_irq_mask,
-	.mask		= rbtx4939_ioc_irq_mask,
-	.mask_ack	= rbtx4939_ioc_irq_mask,
-	.unmask		= rbtx4939_ioc_irq_unmask,
+	.irq_mask	= rbtx4939_ioc_irq_mask,
+	.irq_unmask	= rbtx4939_ioc_irq_unmask,
 };
 
 
@@ -90,8 +88,8 @@ void __init rbtx4939_irq_setup(void)
 	tx4939_irq_init();
 	for (i = RBTX4939_IRQ_IOC;
 	     i < RBTX4939_IRQ_IOC + RBTX4939_NR_IRQ_IOC; i++)
-		set_irq_chip_and_handler(i, &rbtx4939_ioc_irq_chip,
+		irq_set_chip_and_handler(i, &rbtx4939_ioc_irq_chip,
 					 handle_level_irq);
 
-	set_irq_chained_handler(RBTX4939_IRQ_IOCINT, handle_simple_irq);
+	irq_set_chained_handler(RBTX4939_IRQ_IOCINT, handle_simple_irq);
 }
diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 6153b6a05ccf..a39ef3207d71 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -154,7 +154,7 @@ static inline uint16_t icu2_clear(uint8_t offset, uint16_t clear)
 
 void vr41xx_enable_piuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + PIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(PIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -169,7 +169,7 @@ EXPORT_SYMBOL(vr41xx_enable_piuint);
 
 void vr41xx_disable_piuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + PIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(PIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -184,7 +184,7 @@ EXPORT_SYMBOL(vr41xx_disable_piuint);
 
 void vr41xx_enable_aiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + AIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(AIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -199,7 +199,7 @@ EXPORT_SYMBOL(vr41xx_enable_aiuint);
 
 void vr41xx_disable_aiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + AIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(AIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -214,7 +214,7 @@ EXPORT_SYMBOL(vr41xx_disable_aiuint);
 
 void vr41xx_enable_kiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + KIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(KIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -229,7 +229,7 @@ EXPORT_SYMBOL(vr41xx_enable_kiuint);
 
 void vr41xx_disable_kiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + KIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(KIU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4111 ||
@@ -244,7 +244,7 @@ EXPORT_SYMBOL(vr41xx_disable_kiuint);
 
 void vr41xx_enable_macint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+	struct irq_desc *desc = irq_to_desc(ETHERNET_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -256,7 +256,7 @@ EXPORT_SYMBOL(vr41xx_enable_macint);
 
 void vr41xx_disable_macint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+	struct irq_desc *desc = irq_to_desc(ETHERNET_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -268,7 +268,7 @@ EXPORT_SYMBOL(vr41xx_disable_macint);
 
 void vr41xx_enable_dsiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + DSIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(DSIU_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -280,7 +280,7 @@ EXPORT_SYMBOL(vr41xx_enable_dsiuint);
 
 void vr41xx_disable_dsiuint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + DSIU_IRQ;
+	struct irq_desc *desc = irq_to_desc(DSIU_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -292,7 +292,7 @@ EXPORT_SYMBOL(vr41xx_disable_dsiuint);
 
 void vr41xx_enable_firint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + FIR_IRQ;
+	struct irq_desc *desc = irq_to_desc(FIR_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -304,7 +304,7 @@ EXPORT_SYMBOL(vr41xx_enable_firint);
 
 void vr41xx_disable_firint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + FIR_IRQ;
+	struct irq_desc *desc = irq_to_desc(FIR_IRQ);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
@@ -316,7 +316,7 @@ EXPORT_SYMBOL(vr41xx_disable_firint);
 
 void vr41xx_enable_pciint(void)
 {
-	struct irq_desc *desc = irq_desc + PCI_IRQ;
+	struct irq_desc *desc = irq_to_desc(PCI_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -332,7 +332,7 @@ EXPORT_SYMBOL(vr41xx_enable_pciint);
 
 void vr41xx_disable_pciint(void)
 {
-	struct irq_desc *desc = irq_desc + PCI_IRQ;
+	struct irq_desc *desc = irq_to_desc(PCI_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -348,7 +348,7 @@ EXPORT_SYMBOL(vr41xx_disable_pciint);
 
 void vr41xx_enable_scuint(void)
 {
-	struct irq_desc *desc = irq_desc + SCU_IRQ;
+	struct irq_desc *desc = irq_to_desc(SCU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -364,7 +364,7 @@ EXPORT_SYMBOL(vr41xx_enable_scuint);
 
 void vr41xx_disable_scuint(void)
 {
-	struct irq_desc *desc = irq_desc + SCU_IRQ;
+	struct irq_desc *desc = irq_to_desc(SCU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -380,7 +380,7 @@ EXPORT_SYMBOL(vr41xx_disable_scuint);
 
 void vr41xx_enable_csiint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + CSI_IRQ;
+	struct irq_desc *desc = irq_to_desc(CSI_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -396,7 +396,7 @@ EXPORT_SYMBOL(vr41xx_enable_csiint);
 
 void vr41xx_disable_csiint(uint16_t mask)
 {
-	struct irq_desc *desc = irq_desc + CSI_IRQ;
+	struct irq_desc *desc = irq_to_desc(CSI_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -412,7 +412,7 @@ EXPORT_SYMBOL(vr41xx_disable_csiint);
 
 void vr41xx_enable_bcuint(void)
 {
-	struct irq_desc *desc = irq_desc + BCU_IRQ;
+	struct irq_desc *desc = irq_to_desc(BCU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -428,7 +428,7 @@ EXPORT_SYMBOL(vr41xx_enable_bcuint);
 
 void vr41xx_disable_bcuint(void)
 {
-	struct irq_desc *desc = irq_desc + BCU_IRQ;
+	struct irq_desc *desc = irq_to_desc(BCU_IRQ);
 	unsigned long flags;
 
 	if (current_cpu_type() == CPU_VR4122 ||
@@ -442,45 +442,41 @@ void vr41xx_disable_bcuint(void)
 
 EXPORT_SYMBOL(vr41xx_disable_bcuint);
 
-static void disable_sysint1_irq(unsigned int irq)
+static void disable_sysint1_irq(struct irq_data *d)
 {
-	icu1_clear(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
+	icu1_clear(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(d->irq));
 }
 
-static void enable_sysint1_irq(unsigned int irq)
+static void enable_sysint1_irq(struct irq_data *d)
 {
-	icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
+	icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(d->irq));
 }
 
 static struct irq_chip sysint1_irq_type = {
 	.name		= "SYSINT1",
-	.ack		= disable_sysint1_irq,
-	.mask		= disable_sysint1_irq,
-	.mask_ack	= disable_sysint1_irq,
-	.unmask		= enable_sysint1_irq,
+	.irq_mask	= disable_sysint1_irq,
+	.irq_unmask	= enable_sysint1_irq,
 };
 
-static void disable_sysint2_irq(unsigned int irq)
+static void disable_sysint2_irq(struct irq_data *d)
 {
-	icu2_clear(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
+	icu2_clear(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(d->irq));
 }
 
-static void enable_sysint2_irq(unsigned int irq)
+static void enable_sysint2_irq(struct irq_data *d)
 {
-	icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
+	icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(d->irq));
 }
 
 static struct irq_chip sysint2_irq_type = {
 	.name		= "SYSINT2",
-	.ack		= disable_sysint2_irq,
-	.mask		= disable_sysint2_irq,
-	.mask_ack	= disable_sysint2_irq,
-	.unmask		= enable_sysint2_irq,
+	.irq_mask	= disable_sysint2_irq,
+	.irq_unmask	= enable_sysint2_irq,
 };
 
 static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	uint16_t intassign0, intassign1;
 	unsigned int pin;
 
@@ -540,7 +536,7 @@ static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
 
 static inline int set_sysint2_assign(unsigned int irq, unsigned char assign)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	uint16_t intassign2, intassign3;
 	unsigned int pin;
 
@@ -714,11 +710,11 @@ static int __init vr41xx_icu_init(void)
 	icu2_write(MGIUINTHREG, 0xffff);
 
 	for (i = SYSINT1_IRQ_BASE; i <= SYSINT1_IRQ_LAST; i++)
-		set_irq_chip_and_handler(i, &sysint1_irq_type,
+		irq_set_chip_and_handler(i, &sysint1_irq_type,
 					 handle_level_irq);
 
 	for (i = SYSINT2_IRQ_BASE; i <= SYSINT2_IRQ_LAST; i++)
-		set_irq_chip_and_handler(i, &sysint2_irq_type,
+		irq_set_chip_and_handler(i, &sysint2_irq_type,
 					 handle_level_irq);
 
 	cascade_irq(INT0_IRQ, icu_get_irq);
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index 0975eb72d385..70a3b85f3757 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -62,7 +62,6 @@ EXPORT_SYMBOL_GPL(cascade_irq);
 static void irq_dispatch(unsigned int irq)
 {
 	irq_cascade_t *cascade;
-	struct irq_desc *desc;
 
 	if (irq >= NR_IRQS) {
 		atomic_inc(&irq_err_count);
@@ -71,14 +70,16 @@ static void irq_dispatch(unsigned int irq)
 
 	cascade = irq_cascade + irq;
 	if (cascade->get_irq != NULL) {
-		unsigned int source_irq = irq;
+		struct irq_desc *desc = irq_to_desc(irq);
+		struct irq_data *idata = irq_desc_get_irq_data(desc);
+		struct irq_chip *chip = irq_desc_get_chip(desc);
 		int ret;
-		desc = irq_desc + source_irq;
-		if (desc->chip->mask_ack)
-			desc->chip->mask_ack(source_irq);
+
+		if (chip->irq_mask_ack)
+			chip->irq_mask_ack(idata);
 		else {
-			desc->chip->mask(source_irq);
-			desc->chip->ack(source_irq);
+			chip->irq_mask(idata);
+			chip->irq_ack(idata);
 		}
 		ret = cascade->get_irq(irq);
 		irq = ret;
@@ -86,8 +87,8 @@ static void irq_dispatch(unsigned int irq)
 			atomic_inc(&irq_err_count);
 		else
 			irq_dispatch(irq);
-		if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
-			desc->chip->unmask(source_irq);
+		if (!irqd_irq_disabled(idata) && chip->irq_unmask)
+			chip->irq_unmask(idata);
 	} else
 		do_IRQ(irq);
 }