Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (32 commits)
  sh: intc: switch irq_desc iteration to new active IRQ iterator.
  sh: fix up cpu hotplug IRQ migration for irq_data changes.
  sh: oprofile: Make sure the backtrace op is available for timer-fallback.
  sh64: oprofile: Fix up kernel stack pointer size mismatch.
  sh: oprofile: Fix up and extend op_name_from_perf_id().
  sh: lockless get_user_pages_fast()
  sh64: _PAGE_SPECIAL support.
  sound: sh: ctrl_in/outX to __raw_read/writeX conversion.
  sh: disable deprecated genirq support.
  sh: update show_interrupts() for irq_data chip lookup.
  sh: intc: irq_data conversion.
  sh64: irq_data conversion.
  sh64: update for IRQ flag handling naming changes.
  rtc: rtc-rs5c313: ctrl_in/outX to __raw_read/writeX conversion.
  sh: mach-se: irq_data conversion.
  input: hp680_ts_input: ctrl_in/outX to __raw_read/writeX conversion.
  input: jornada680_kbd: ctrl_in/outX to __raw_read/writeX conversion.
  sh: hd64461: irq_data conversion.
  sh: mach-x3proto: irq_data conversion.
  sh: mach-systemh: irq_data conversion.
  ...

30 files changed, 478 insertions, 243 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0f40fc35d0a..792cf902743 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -25,8 +25,11 @@ config SUPERH
 	select HAVE_KERNEL_LZO
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_REGS_AND_STACK_ACCESS_API
+	select HAVE_GENERIC_HARDIRQS
+	select HAVE_SPARSE_IRQ
 	select RTC_LIB
 	select GENERIC_ATOMIC64
+	select GENERIC_HARDIRQS_NO_DEPRECATED
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
@@ -49,6 +52,7 @@ config SUPERH32
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select PERF_EVENTS
 	select ARCH_HIBERNATION_POSSIBLE if MMU
+	select SPARSE_IRQ
 
 config SUPERH64
 	def_bool ARCH = "sh64"
@@ -78,19 +82,9 @@ config GENERIC_FIND_NEXT_BIT
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_HARDIRQS
-	def_bool y
-
-config GENERIC_HARDIRQS_NO__DO_IRQ
-	def_bool y
-
 config IRQ_PER_CPU
 	def_bool y
 
-config SPARSE_IRQ
-	def_bool y
-	depends on SUPERH32
-
 config GENERIC_GPIO
 	def_bool n
 
diff --git a/arch/sh/boards/mach-cayman/irq.c b/arch/sh/boards/mach-cayman/irq.c
index 1394b078db3..d7ac5af9d10 100644
--- a/arch/sh/boards/mach-cayman/irq.c
+++ b/arch/sh/boards/mach-cayman/irq.c
@@ -55,8 +55,9 @@ static struct irqaction cayman_action_pci2 = {
 	.flags		= IRQF_DISABLED,
 };
 
-static void enable_cayman_irq(unsigned int irq)
+static void enable_cayman_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned long flags;
 	unsigned long mask;
 	unsigned int reg;
@@ -72,8 +73,9 @@ static void enable_cayman_irq(unsigned int irq)
 	local_irq_restore(flags);
 }
 
-void disable_cayman_irq(unsigned int irq)
+static void disable_cayman_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned long flags;
 	unsigned long mask;
 	unsigned int reg;
@@ -89,16 +91,10 @@ void disable_cayman_irq(unsigned int irq)
 	local_irq_restore(flags);
 }
 
-static void ack_cayman_irq(unsigned int irq)
-{
-	disable_cayman_irq(irq);
-}
-
 struct irq_chip cayman_irq_type = {
 	.name		= "Cayman-IRQ",
-	.unmask 	= enable_cayman_irq,
-	.mask		= disable_cayman_irq,
-	.mask_ack	= ack_cayman_irq,
+	.irq_unmask	= enable_cayman_irq,
+	.irq_mask	= disable_cayman_irq,
 };
 
 int cayman_irq_demux(int evt)
diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index d932667410a..72e7ac9549d 100644
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -60,8 +60,9 @@
  */
 
 /* Disable the hardware event by masking its bit in its EMR */
-static inline void disable_systemasic_irq(unsigned int irq)
+static inline void disable_systemasic_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	__u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
 	__u32 mask;
 
@@ -71,8 +72,9 @@ static inline void disable_systemasic_irq(unsigned int irq)
 }
 
 /* Enable the hardware event by setting its bit in its EMR */
-static inline void enable_systemasic_irq(unsigned int irq)
+static inline void enable_systemasic_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	__u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
 	__u32 mask;
 
@@ -82,18 +84,19 @@ static inline void enable_systemasic_irq(unsigned int irq)
 }
 
 /* Acknowledge a hardware event by writing its bit back to its ESR */
-static void mask_ack_systemasic_irq(unsigned int irq)
+static void mask_ack_systemasic_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	__u32 esr = ESR_BASE + (LEVEL(irq) << 2);
-	disable_systemasic_irq(irq);
+	disable_systemasic_irq(data);
 	outl((1 << EVENT_BIT(irq)), esr);
 }
 
 struct irq_chip systemasic_int = {
 	.name		= "System ASIC",
-	.mask		= disable_systemasic_irq,
-	.mask_ack	= mask_ack_systemasic_irq,
-	.unmask		= enable_systemasic_irq,
+	.irq_mask	= disable_systemasic_irq,
+	.irq_mask_ack	= mask_ack_systemasic_irq,
+	.irq_unmask	= enable_systemasic_irq,
 };
 
 /*
diff --git a/arch/sh/boards/mach-landisk/irq.c b/arch/sh/boards/mach-landisk/irq.c
index 96f38a4187d..e79412a4049 100644
--- a/arch/sh/boards/mach-landisk/irq.c
+++ b/arch/sh/boards/mach-landisk/irq.c
@@ -18,25 +18,24 @@
 #include <linux/io.h>
 #include <mach-landisk/mach/iodata_landisk.h>
 
-static void disable_landisk_irq(unsigned int irq)
+static void disable_landisk_irq(struct irq_data *data)
 {
-	unsigned char mask = 0xff ^ (0x01 << (irq - 5));
+	unsigned char mask = 0xff ^ (0x01 << (data->irq - 5));
 
 	__raw_writeb(__raw_readb(PA_IMASK) & mask, PA_IMASK);
 }
 
-static void enable_landisk_irq(unsigned int irq)
+static void enable_landisk_irq(struct irq_data *data)
 {
-	unsigned char value = (0x01 << (irq - 5));
+	unsigned char value = (0x01 << (data->irq - 5));
 
 	__raw_writeb(__raw_readb(PA_IMASK) | value, PA_IMASK);
 }
 
 static struct irq_chip landisk_irq_chip __read_mostly = {
 	.name		= "LANDISK",
-	.mask		= disable_landisk_irq,
-	.unmask		= enable_landisk_irq,
-	.mask_ack	= disable_landisk_irq,
+	.irq_mask	= disable_landisk_irq,
+	.irq_unmask	= enable_landisk_irq,
 };
 
 /*
@@ -50,7 +49,7 @@ void __init init_landisk_IRQ(void)
 		disable_irq_nosync(i);
 		set_irq_chip_and_handler_name(i, &landisk_irq_chip,
 					      handle_level_irq, "level");
-		enable_landisk_irq(i);
+		enable_landisk_irq(irq_get_irq_data(i));
 	}
 	__raw_writeb(0x00, PA_PWRINT_CLR);
 }
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index a26d16669aa..c35001fd903 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -65,19 +65,9 @@ static const struct {
 #  error Inconsistancy in defining the IRQ# for primary IDE!
 #endif
 
-static void enable_microdev_irq(unsigned int irq);
-static void disable_microdev_irq(unsigned int irq);
-static void mask_and_ack_microdev(unsigned int);
-
-static struct irq_chip microdev_irq_type = {
-	.name = "MicroDev-IRQ",
-	.unmask = enable_microdev_irq,
-	.mask = disable_microdev_irq,
-	.ack = mask_and_ack_microdev,
-};
-
-static void disable_microdev_irq(unsigned int irq)
+static void disable_microdev_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned int fpgaIrq;
 
 	if (irq >= NUM_EXTERNAL_IRQS)
@@ -91,8 +81,9 @@ static void disable_microdev_irq(unsigned int irq)
 	__raw_writel(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
 }
 
-static void enable_microdev_irq(unsigned int irq)
+static void enable_microdev_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned long priorityReg, priorities, pri;
 	unsigned int fpgaIrq;
 
@@ -116,17 +107,18 @@ static void enable_microdev_irq(unsigned int irq)
 	__raw_writel(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
 }
 
+static struct irq_chip microdev_irq_type = {
+	.name = "MicroDev-IRQ",
+	.irq_unmask = enable_microdev_irq,
+	.irq_mask = disable_microdev_irq,
+};
+
 /* This function sets the desired irq handler to be a MicroDev type */
 static void __init make_microdev_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
 	set_irq_chip_and_handler(irq, &microdev_irq_type, handle_level_irq);
-	disable_microdev_irq(irq);
-}
-
-static void mask_and_ack_microdev(unsigned int irq)
-{
-	disable_microdev_irq(irq);
+	disable_microdev_irq(irq_get_irq_data(irq));
 }
 
 extern void __init init_microdev_irq(void)
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
index 8d82175d83a..883b21eacaa 100644
--- a/arch/sh/boards/mach-se/7206/irq.c
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -25,8 +25,9 @@
 #define INTC_IPR01 0xfffe0818
 #define INTC_ICR1  0xfffe0802
 
-static void disable_se7206_irq(unsigned int irq)
+static void disable_se7206_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned short val;
 	unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq)));
 	unsigned short msk0,msk1;
@@ -55,8 +56,9 @@ static void disable_se7206_irq(unsigned int irq)
 	__raw_writew(msk1, INTMSK1);
 }
 
-static void enable_se7206_irq(unsigned int irq)
+static void enable_se7206_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned short val;
 	unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq)));
 	unsigned short msk0,msk1;
@@ -86,13 +88,14 @@ static void enable_se7206_irq(unsigned int irq)
 	__raw_writew(msk1, INTMSK1);
 }
 
-static void eoi_se7206_irq(unsigned int irq)
+static void eoi_se7206_irq(struct irq_data *data)
 {
 	unsigned short sts0,sts1;
+	unsigned int irq = data->irq;
 	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_se7206_irq(irq);
+		enable_se7206_irq(data);
 	/* FPGA isr clear */
 	sts0 = __raw_readw(INTSTS0);
 	sts1 = __raw_readw(INTSTS1);
@@ -115,10 +118,9 @@ static void eoi_se7206_irq(unsigned int irq)
 
 static struct irq_chip se7206_irq_chip __read_mostly = {
 	.name		= "SE7206-FPGA",
-	.mask		= disable_se7206_irq,
-	.unmask		= enable_se7206_irq,
-	.mask_ack	= disable_se7206_irq,
-	.eoi		= eoi_se7206_irq,
+	.irq_mask	= disable_se7206_irq,
+	.irq_unmask	= enable_se7206_irq,
+	.irq_eoi	= eoi_se7206_irq,
 };
 
 static void make_se7206_irq(unsigned int irq)
@@ -126,7 +128,7 @@ static void make_se7206_irq(unsigned int irq)
 	disable_irq_nosync(irq);
 	set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
 				      handle_level_irq, "level");
-	disable_se7206_irq(irq);
+	disable_se7206_irq(irq_get_irq_data(irq));
 }
 
 /*
diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c
index d4305c26e9f..76255a19417 100644
--- a/arch/sh/boards/mach-se/7343/irq.c
+++ b/arch/sh/boards/mach-se/7343/irq.c
@@ -18,23 +18,22 @@
 
 unsigned int se7343_fpga_irq[SE7343_FPGA_IRQ_NR] = { 0, };
 
-static void disable_se7343_irq(unsigned int irq)
+static void disable_se7343_irq(struct irq_data *data)
 {
-	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
 	__raw_writew(__raw_readw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK);
 }
 
-static void enable_se7343_irq(unsigned int irq)
+static void enable_se7343_irq(struct irq_data *data)
 {
-	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
 	__raw_writew(__raw_readw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK);
 }
 
 static struct irq_chip se7343_irq_chip __read_mostly = {
-	.name           = "SE7343-FPGA",
-	.mask           = disable_se7343_irq,
-	.unmask         = enable_se7343_irq,
-	.mask_ack       = disable_se7343_irq,
+	.name		= "SE7343-FPGA",
+	.irq_mask	= disable_se7343_irq,
+	.irq_unmask	= enable_se7343_irq,
 };
 
 static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c
index 61605db04ee..c013f95628e 100644
--- a/arch/sh/boards/mach-se/7722/irq.c
+++ b/arch/sh/boards/mach-se/7722/irq.c
@@ -18,23 +18,22 @@
 
 unsigned int se7722_fpga_irq[SE7722_FPGA_IRQ_NR] = { 0, };
 
-static void disable_se7722_irq(unsigned int irq)
+static void disable_se7722_irq(struct irq_data *data)
 {
-	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
 	__raw_writew(__raw_readw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
 }
 
-static void enable_se7722_irq(unsigned int irq)
+static void enable_se7722_irq(struct irq_data *data)
 {
-	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
 	__raw_writew(__raw_readw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
 }
 
 static struct irq_chip se7722_irq_chip __read_mostly = {
-	.name           = "SE7722-FPGA",
-	.mask           = disable_se7722_irq,
-	.unmask         = enable_se7722_irq,
-	.mask_ack       = disable_se7722_irq,
+	.name		= "SE7722-FPGA",
+	.irq_mask	= disable_se7722_irq,
+	.irq_unmask	= enable_se7722_irq,
 };
 
 static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c
index 0942be2daef..5bd87c22b65 100644
--- a/arch/sh/boards/mach-se/7724/irq.c
+++ b/arch/sh/boards/mach-se/7724/irq.c
@@ -68,25 +68,26 @@ static struct fpga_irq get_fpga_irq(unsigned int irq)
 	return set;
 }
 
-static void disable_se7724_irq(unsigned int irq)
+static void disable_se7724_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
 	unsigned int bit = irq - set.base;
 	__raw_writew(__raw_readw(set.mraddr) | 0x0001 << bit, set.mraddr);
 }
 
-static void enable_se7724_irq(unsigned int irq)
+static void enable_se7724_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
 	unsigned int bit = irq - set.base;
 	__raw_writew(__raw_readw(set.mraddr) & ~(0x0001 << bit), set.mraddr);
 }
 
 static struct irq_chip se7724_irq_chip __read_mostly = {
-	.name           = "SE7724-FPGA",
-	.mask           = disable_se7724_irq,
-	.unmask         = enable_se7724_irq,
-	.mask_ack       = disable_se7724_irq,
+	.name		= "SE7724-FPGA",
+	.irq_mask	= disable_se7724_irq,
+	.irq_unmask	= enable_se7724_irq,
 };
 
 static void se7724_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c
index 523aea5dc94..e5ee13adeff 100644
--- a/arch/sh/boards/mach-systemh/irq.c
+++ b/arch/sh/boards/mach-systemh/irq.c
@@ -23,54 +23,39 @@
 static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
 static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
 
-/* forward declaration */
-static void enable_systemh_irq(unsigned int irq);
-static void disable_systemh_irq(unsigned int irq);
-static void mask_and_ack_systemh(unsigned int);
-
-static struct irq_chip systemh_irq_type = {
-	.name = " SystemH Register",
-	.unmask = enable_systemh_irq,
-	.mask = disable_systemh_irq,
-	.ack = mask_and_ack_systemh,
-};
-
-static void disable_systemh_irq(unsigned int irq)
+static void disable_systemh_irq(struct irq_data *data)
 {
-	if (systemh_irq_mask_register) {
-		unsigned long val, mask = 0x01 << 1;
+	unsigned long val, mask = 0x01 << 1;
 
-		/* Clear the "irq"th bit in the mask and set it in the request */
-		val = __raw_readl((unsigned long)systemh_irq_mask_register);
-		val &= ~mask;
-		__raw_writel(val, (unsigned long)systemh_irq_mask_register);
+	/* Clear the "irq"th bit in the mask and set it in the request */
+	val = __raw_readl((unsigned long)systemh_irq_mask_register);
+	val &= ~mask;
+	__raw_writel(val, (unsigned long)systemh_irq_mask_register);
 
-		val = __raw_readl((unsigned long)systemh_irq_request_register);
-		val |= mask;
-		__raw_writel(val, (unsigned long)systemh_irq_request_register);
-	}
+	val = __raw_readl((unsigned long)systemh_irq_request_register);
+	val |= mask;
+	__raw_writel(val, (unsigned long)systemh_irq_request_register);
 }
 
-static void enable_systemh_irq(unsigned int irq)
+static void enable_systemh_irq(struct irq_data *data)
 {
-	if (systemh_irq_mask_register) {
-		unsigned long val, mask = 0x01 << 1;
+	unsigned long val, mask = 0x01 << 1;
 
-		/* Set "irq"th bit in the mask register */
-		val = __raw_readl((unsigned long)systemh_irq_mask_register);
-		val |= mask;
-		__raw_writel(val, (unsigned long)systemh_irq_mask_register);
-	}
+	/* Set "irq"th bit in the mask register */
+	val = __raw_readl((unsigned long)systemh_irq_mask_register);
+	val |= mask;
+	__raw_writel(val, (unsigned long)systemh_irq_mask_register);
 }
 
-static void mask_and_ack_systemh(unsigned int irq)
-{
-	disable_systemh_irq(irq);
-}
+static struct irq_chip systemh_irq_type = {
+	.name		= "SystemH Register",
+	.irq_unmask	= enable_systemh_irq,
+	.irq_mask	= disable_systemh_irq,
+};
 
 void make_systemh_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
 	set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
-	disable_systemh_irq(irq);
+	disable_systemh_irq(irq_get_irq_data(irq));
 }
diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c
index 594adf76e46..239e7406625 100644
--- a/arch/sh/boards/mach-x3proto/gpio.c
+++ b/arch/sh/boards/mach-x3proto/gpio.c
@@ -54,18 +54,19 @@ static int x3proto_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 
 static void x3proto_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_chip *chip = get_irq_desc_chip(desc);
+	struct irq_data *data = irq_get_irq_data(irq);
+	struct irq_chip *chip = irq_data_get_irq_chip(data);
 	unsigned long mask;
 	int pin;
 
-	chip->mask_ack(irq);
+	chip->irq_mask_ack(data);
 
 	mask = __raw_readw(KEYDETR);
 
 	for_each_set_bit(pin, &mask, NR_BASEBOARD_GPIOS)
 		generic_handle_irq(x3proto_gpio_to_irq(NULL, pin));
 
-	chip->unmask(irq);
+	chip->irq_unmask(data);
 }
 
 struct gpio_chip x3proto_gpio_chip = {
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index bcb31ae84a5..177a10b25ca 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -17,8 +17,9 @@
 /* This belongs in cpu specific */
 #define INTC_ICR1 0xA4140010UL
 
-static void hd64461_mask_irq(unsigned int irq)
+static void hd64461_mask_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64461_IRQBASE);
 
@@ -27,8 +28,9 @@ static void hd64461_mask_irq(unsigned int irq)
 	__raw_writew(nimr, HD64461_NIMR);
 }
 
-static void hd64461_unmask_irq(unsigned int irq)
+static void hd64461_unmask_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64461_IRQBASE);
 
@@ -37,20 +39,21 @@ static void hd64461_unmask_irq(unsigned int irq)
 	__raw_writew(nimr, HD64461_NIMR);
 }
 
-static void hd64461_mask_and_ack_irq(unsigned int irq)
+static void hd64461_mask_and_ack_irq(struct irq_data *data)
 {
-	hd64461_mask_irq(irq);
+	hd64461_mask_irq(data);
+
 #ifdef CONFIG_HD64461_ENABLER
-	if (irq == HD64461_IRQBASE + 13)
+	if (data->irq == HD64461_IRQBASE + 13)
 		__raw_writeb(0x00, HD64461_PCC1CSCR);
 #endif
 }
 
 static struct irq_chip hd64461_irq_chip = {
 	.name		= "HD64461-IRQ",
-	.mask		= hd64461_mask_irq,
-	.mask_ack	= hd64461_mask_and_ack_irq,
-	.unmask		= hd64461_unmask_irq,
+	.irq_mask	= hd64461_mask_irq,
+	.irq_mask_ack	= hd64461_mask_and_ack_irq,
+	.irq_unmask	= hd64461_unmask_irq,
 };
 
 static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 02f77450cd8..a15f1058bbf 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -169,6 +169,8 @@ extern void page_table_range_init(unsigned long start, unsigned long end,
 #define HAVE_ARCH_UNMAPPED_AREA
 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
 
+#define __HAVE_ARCH_PTE_SPECIAL
+
 #include <asm-generic/pgtable.h>
 
 #endif /* __ASM_SH_PGTABLE_H */
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 69fdfbf14ea..43528ec656b 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -378,8 +378,6 @@ PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED);
 PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
 PTE_BIT_FUNC(low, mkspecial, |= _PAGE_SPECIAL);
 
-#define __HAVE_ARCH_PTE_SPECIAL
-
 /*
  * Macro and implementation to make a page protection as uncachable.
  */
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index 10a48111226..42cb9dd5216 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -130,6 +130,7 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
  * anything above the PPN field.
  */
 #define _PAGE_WIRED	_PAGE_EXT(0x001) /* software: wire the tlb entry */
+#define _PAGE_SPECIAL	_PAGE_EXT(0x002)
 
 #define _PAGE_CLEAR_FLAGS	(_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \
 				 _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED)
@@ -173,7 +174,8 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
 /* Default flags for a User page */
 #define _PAGE_TABLE	(_KERNPG_TABLE | _PAGE_USER)
 
-#define _PAGE_CHG_MASK	(PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK	(PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
+			 _PAGE_SPECIAL)
 
 /*
  * We have full permissions (Read/Write/Execute/Shared).
@@ -263,7 +265,7 @@ static inline int pte_dirty(pte_t pte)  { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)  { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)   { return pte_val(pte) & _PAGE_FILE; }
 static inline int pte_write(pte_t pte)  { return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_special(pte_t pte){ return 0; }
+static inline int pte_special(pte_t pte){ return pte_val(pte) & _PAGE_SPECIAL; }
 
 static inline pte_t pte_wrprotect(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -272,8 +274,7 @@ static inline pte_t pte_mkwrite(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) |
 static inline pte_t pte_mkdirty(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
-static inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
-
+static inline pte_t pte_mkspecial(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_SPECIAL)); return pte; }
 
 /*
  * Conversion functions: convert a page and protection to a page entry.
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 0a58cb25a65..c9e7cbc4768 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -89,6 +89,7 @@ struct sh_cpuinfo {
 	struct task_struct *idle;
 #endif
 
+	unsigned int phys_bits;
 	unsigned long flags;
 } __attribute__ ((aligned(L1_CACHE_BYTES)));
 
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 97661061ff2..fac742e514e 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -340,6 +340,8 @@ asmlinkage void __cpuinit cpu_init(void)
 	 */
 	current_cpu_data.asid_cache = NO_CONTEXT;
 
+	current_cpu_data.phys_bits = __in_29bit_mode() ? 29 : 32;
+
 	speculative_execution_init();
 	expmask_init();
 
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index a351ed84eec..32c825c9488 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -51,16 +51,20 @@ static inline void set_interrupt_registers(int ip)
 		     : "t");
 }
 
-static void mask_imask_irq(unsigned int irq)
+static void mask_imask_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	clear_bit(irq, imask_mask);
 	if (interrupt_priority < IMASK_PRIORITY - irq)
 		interrupt_priority = IMASK_PRIORITY - irq;
 	set_interrupt_registers(interrupt_priority);
 }
 
-static void unmask_imask_irq(unsigned int irq)
+static void unmask_imask_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	set_bit(irq, imask_mask);
 	interrupt_priority = IMASK_PRIORITY -
 		find_first_zero_bit(imask_mask, IMASK_PRIORITY);
@@ -69,9 +73,9 @@ static void unmask_imask_irq(unsigned int irq)
 
 static struct irq_chip imask_irq_chip = {
 	.name		= "SR.IMASK",
-	.mask		= mask_imask_irq,
-	.unmask		= unmask_imask_irq,
-	.mask_ack	= mask_imask_irq,
+	.irq_mask	= mask_imask_irq,
+	.irq_unmask	= unmask_imask_irq,
+	.irq_mask_ack	= mask_imask_irq,
 };
 
 void make_imask_irq(unsigned int irq)
diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
index 96a23958394..5af48f8357e 100644
--- a/arch/sh/kernel/cpu/irq/intc-sh5.c
+++ b/arch/sh/kernel/cpu/irq/intc-sh5.c
@@ -76,39 +76,11 @@ int intc_evt_to_irq[(0xE20/0x20)+1] = {
 };
 
 static unsigned long intc_virt;
-
-static unsigned int startup_intc_irq(unsigned int irq);
-static void shutdown_intc_irq(unsigned int irq);
-static void enable_intc_irq(unsigned int irq);
-static void disable_intc_irq(unsigned int irq);
-static void mask_and_ack_intc(unsigned int);
-static void end_intc_irq(unsigned int irq);
-
-static struct irq_chip intc_irq_type = {
-	.name = "INTC",
-	.startup = startup_intc_irq,
-	.shutdown = shutdown_intc_irq,
-	.enable = enable_intc_irq,
-	.disable = disable_intc_irq,
-	.ack = mask_and_ack_intc,
-	.end = end_intc_irq
-};
-
 static int irlm;		/* IRL mode */
 
-static unsigned int startup_intc_irq(unsigned int irq)
-{
-	enable_intc_irq(irq);
-	return 0; /* never anything pending */
-}
-
-static void shutdown_intc_irq(unsigned int irq)
-{
-	disable_intc_irq(irq);
-}
-
-static void enable_intc_irq(unsigned int irq)