IRQ: Use the new typedef for interrupt handler function pointers

Use the new typedef for interrupt handler function pointers rather than
actually spelling out the full thing each time.  This was scripted with the
following small shell script:

#!/bin/sh
egrep -nHrl -e 'irqreturn_t[ 	]*[(][*]' $* |
while read i
do
    echo $i
    perl -pi -e 's/irqreturn_t\s*[(]\s*[*]\s*([_a-zA-Z0-9]*)\s*[)]\s*[(]\s*int\s*,\s*void\s*[*]\s*[)]/irq_handler_t \1/g' $i || exit $?
done

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 74f8378..a1a900d 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -212,7 +212,7 @@
  */
 static struct pxamci_platform_data corgi_mci_platform_data;
 
-static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *), void *data)
+static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
 {
 	int err;
 
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index a4cb875..64df440 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -125,7 +125,7 @@
 	.pxafb_lcd_power = &idp_lcd_power
 };
 
-static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *), void *data)
+static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
 {
 	/* setup GPIO for PXA25x MMC controller	*/
 	pxa_gpio_mode(GPIO6_MMCCLK_MD);
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index b1e77bd..ee80d62 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -378,7 +378,7 @@
 #define	MMC_POLL_RATE		msecs_to_jiffies(1000)
 
 static void lubbock_mmc_poll(unsigned long);
-static irqreturn_t (*mmc_detect_int)(int, void *);
+static irq_handler_t mmc_detect_int;
 
 static struct timer_list mmc_timer = {
 	.function	= lubbock_mmc_poll,
@@ -412,7 +412,7 @@
 }
 
 static int lubbock_mci_init(struct device *dev,
-		irqreturn_t (*detect_int)(int, void *),
+		irq_handler_t detect_int,
 		void *data)
 {
 	/* setup GPIO for PXA25x MMC controller	*/
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 8c30197..49c34d9 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -313,7 +313,7 @@
 	.pxafb_backlight_power	= mainstone_backlight_power,
 };
 
-static int mainstone_mci_init(struct device *dev, irqreturn_t (*mstone_detect_int)(int, void *), void *data)
+static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 {
 	int err;
 
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 9052a97..34fb80b 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -197,7 +197,7 @@
  */
 static struct pxamci_platform_data poodle_mci_platform_data;
 
-static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *), void *data)
+static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 {
 	int err;
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 911452dd..3cbac63 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -291,7 +291,7 @@
 
 static struct pxamci_platform_data spitz_mci_platform_data;
 
-static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *), void *data)
+static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 {
 	int err;
 
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 17e46c1..7915a5a 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -174,7 +174,7 @@
  */
 static struct pxamci_platform_data tosa_mci_platform_data;
 
-static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *), void *data)
+static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
 {
 	int err;
 
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index a2c05a8..c1827d0 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -270,7 +270,7 @@
 #endif		/* CONFIG_MACH_TRIZEPS4_CONXS */
 EXPORT_SYMBOL(board_pcmcia_power);
 
-static int trizeps4_mci_init(struct device *dev, irqreturn_t (*mci_detect_int)(int, void *), void *data)
+static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
 {
 	int err;
 	/* setup GPIO for PXA27x MMC controller */
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 77819ac..5095778 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -714,7 +714,7 @@
 {
 	unsigned long flags;
 	int	retval=0;
-	irqreturn_t (*handler)(int, void *);
+	irq_handler_t handler;
 	struct serial_state *state= info->state;
 	unsigned long page;
 
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 6f63d62..3204f41 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -83,7 +83,7 @@
 
 extern char m68k_debug_device[];
 
-static void amiga_sched_init(irqreturn_t (*handler)(int, void *));
+static void amiga_sched_init(irq_handler_t handler);
 /* amiga specific irq functions */
 extern void amiga_init_IRQ (void);
 static void amiga_get_model(char *model);
@@ -487,7 +487,7 @@
 
 static unsigned short jiffy_ticks;
 
-static void __init amiga_sched_init(irqreturn_t (*timer_routine)(int, void *))
+static void __init amiga_sched_init(irq_handler_t timer_routine)
 {
 	static struct resource sched_res = {
 	    .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
index b2eea00..cb8e760 100644
--- a/arch/m68k/apollo/config.c
+++ b/arch/m68k/apollo/config.c
@@ -25,7 +25,7 @@
 u_long timer_physaddr;
 u_long apollo_model;
 
-extern void dn_sched_init(irqreturn_t (*handler)(int,void *));
+extern void dn_sched_init(irq_handler_t handler);
 extern void dn_init_IRQ(void);
 extern unsigned long dn_gettimeoffset(void);
 extern int dn_dummy_hwclk(int, struct rtc_time *);
@@ -176,7 +176,7 @@
 
 irqreturn_t dn_timer_int(int irq, void *dev_id)
 {
-	irqreturn_t (*timer_handler)(int, void *) = dev_id;
+	irq_handler_t timer_handler = dev_id;
 
 	volatile unsigned char x;
 
@@ -188,7 +188,7 @@
 	return IRQ_HANDLED;
 }
 
-void dn_sched_init(irqreturn_t (*timer_routine)(int, void *))
+void dn_sched_init(irq_handler_t timer_routine)
 {
 	/* program timer 1 */
 	*(volatile unsigned char *)(timer+3)=0x01;
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index 76760ee..ca5cd43 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -62,7 +62,7 @@
 #endif
 
 /* atari specific timer functions (in time.c) */
-extern void atari_sched_init(irqreturn_t (*)(int, void *));
+extern void atari_sched_init(irq_handler_t );
 extern unsigned long atari_gettimeoffset (void);
 extern int atari_mste_hwclk (int, struct rtc_time *);
 extern int atari_tt_hwclk (int, struct rtc_time *);
diff --git a/arch/m68k/atari/stdma.c b/arch/m68k/atari/stdma.c
index 5283c73..d64b580 100644
--- a/arch/m68k/atari/stdma.c
+++ b/arch/m68k/atari/stdma.c
@@ -44,7 +44,7 @@
 
 static int stdma_locked;			/* the semaphore */
 						/* int func to be called */
-static irqreturn_t (*stdma_isr)(int, void *);
+static irq_handler_t stdma_isr;
 static void *stdma_isr_data;			/* data passed to isr */
 static DECLARE_WAIT_QUEUE_HEAD(stdma_wait);	/* wait queue for ST-DMA */
 
@@ -75,7 +75,7 @@
  *
  */
 
-void stdma_lock(irqreturn_t (*handler)(int, void *), void *data)
+void stdma_lock(irq_handler_t handler, void *data)
 {
 	unsigned long flags;
 
diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c
index b8fe71c..c44df4a 100644
--- a/arch/m68k/atari/time.c
+++ b/arch/m68k/atari/time.c
@@ -20,7 +20,7 @@
 #include <asm/atariints.h>
 
 void __init
-atari_sched_init(irqreturn_t (*timer_routine)(int, void *))
+atari_sched_init(irq_handler_t timer_routine)
 {
     /* set Timer C data Register */
     mfp.tim_dt_c = INT_TICKS;
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index df64efc..896ae3d 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -38,7 +38,7 @@
 
 static void bvme6000_get_model(char *model);
 static int  bvme6000_get_hardware_list(char *buffer);
-extern void bvme6000_sched_init(irqreturn_t (*handler)(int, void *));
+extern void bvme6000_sched_init(irq_handler_t handler);
 extern unsigned long bvme6000_gettimeoffset (void);
 extern int bvme6000_hwclk (int, struct rtc_time *);
 extern int bvme6000_set_clock_mmss (unsigned long);
@@ -52,7 +52,7 @@
 /* Save tick handler routine pointer, will point to do_timer() in
  * kernel/sched.c, called via bvme6000_process_int() */
 
-static irqreturn_t (*tick_handler)(int, void *);
+static irq_handler_t tick_handler;
 
 
 int bvme6000_parse_bootinfo(const struct bi_record *bi)
@@ -190,7 +190,7 @@
  * so divide by 8 to get the microsecond result.
  */
 
-void bvme6000_sched_init (irqreturn_t (*timer_routine)(int, void *))
+void bvme6000_sched_init (irq_handler_t timer_routine)
 {
     volatile RtcPtr_t rtc = (RtcPtr_t)BVME_RTC_BASE;
     unsigned char msr = rtc->msr & 0xc0;
diff --git a/arch/m68k/hp300/time.c b/arch/m68k/hp300/time.c
index 086058f..dd7c8a2 100644
--- a/arch/m68k/hp300/time.c
+++ b/arch/m68k/hp300/time.c
@@ -39,7 +39,7 @@
 static irqreturn_t hp300_tick(int irq, void *dev_id)
 {
 	unsigned long tmp;
-	irqreturn_t (*vector)(int, void *) = dev_id;
+	irq_handler_t vector = dev_id;
 	in_8(CLOCKBASE + CLKSR);
 	asm volatile ("movpw %1@(5),%0" : "=d" (tmp) : "a" (CLOCKBASE));
 	/* Turn off the network and SCSI leds */
@@ -63,7 +63,7 @@
   return (USECS_PER_JIFFY * ticks) / INTVAL;
 }
 
-void __init hp300_sched_init(irqreturn_t (*vector)(int, void *))
+void __init hp300_sched_init(irq_handler_t vector)
 {
   out_8(CLOCKBASE + CLKCR2, 0x1);		/* select CR1 */
   out_8(CLOCKBASE + CLKCR1, 0x1);		/* reset */
diff --git a/arch/m68k/hp300/time.h b/arch/m68k/hp300/time.h
index ca66a03..f5b3d09 100644
--- a/arch/m68k/hp300/time.h
+++ b/arch/m68k/hp300/time.h
@@ -1,4 +1,4 @@
-extern void hp300_sched_init(irqreturn_t (*vector)(int, void *));
+extern void hp300_sched_init(irq_handler_t vector);
 extern unsigned long hp300_gettimeoffset (void);
 
 
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 6fa893f..849c948 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -216,7 +216,7 @@
 }
 
 int request_irq(unsigned int irq,
-		irqreturn_t (*handler) (int, void *),
+		irq_handler_t handler,
 		unsigned long flags, const char *devname, void *dev_id)
 {
 	struct irq_node *node;
diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index 869c486..42d5b85 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -64,7 +64,7 @@
 
 char m68k_debug_device[6] = "";
 
-void (*mach_sched_init) (irqreturn_t (*handler)(int, void *)) __initdata = NULL;
+void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 029bae6..562b38d 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -72,7 +72,7 @@
 extern void iop_preinit(void);
 extern void iop_init(void);
 extern void via_init(void);
-extern void via_init_clock(irqreturn_t (*func)(int, void *));
+extern void via_init_clock(irq_handler_t func);
 extern void via_flush_cache(void);
 extern void oss_init(void);
 extern void psc_init(void);
@@ -88,7 +88,7 @@
 
 static void mac_get_model(char *str);
 
-static void mac_sched_init(irqreturn_t (*vector)(int, void *))
+static void mac_sched_init(irq_handler_t vector)
 {
 	via_init_clock(vector);
 }
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 9b6c80c..e27735b 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -235,7 +235,7 @@
  * Start the 100 Hz clock
  */
 
-void __init via_init_clock(irqreturn_t (*func)(int, void *))
+void __init via_init_clock(irq_handler_t func)
 {
 	via1[vACR] |= 0x40;
 	via1[vT1LL] = MAC_CLOCK_LOW;
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index c864d64..4a7df9c 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -38,7 +38,7 @@
 
 static void mvme147_get_model(char *model);
 static int  mvme147_get_hardware_list(char *buffer);
-extern void mvme147_sched_init(irqreturn_t (*handler)(int, void *));
+extern void mvme147_sched_init(irq_handler_t handler);
 extern unsigned long mvme147_gettimeoffset (void);
 extern int mvme147_hwclk (int, struct rtc_time *);
 extern int mvme147_set_clock_mmss (unsigned long);
@@ -51,7 +51,7 @@
 /* Save tick handler routine pointer, will point to do_timer() in
  * kernel/sched.c, called via mvme147_process_int() */
 
-irqreturn_t (*tick_handler)(int, void *);
+irq_handler_t tick_handler;
 
 
 int mvme147_parse_bootinfo(const struct bi_record *bi)
@@ -122,7 +122,7 @@
 }
 
 
-void mvme147_sched_init (irqreturn_t (*timer_routine)(int, void *))
+void mvme147_sched_init (irq_handler_t timer_routine)
 {
 	tick_handler = timer_routine;
 	request_irq (PCC_IRQ_TIMER1, mvme147_timer_int,
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 2c91cee..c829ebb 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -42,7 +42,7 @@
 
 static void mvme16x_get_model(char *model);
 static int  mvme16x_get_hardware_list(char *buffer);
-extern void mvme16x_sched_init(irqreturn_t (*handler)(int, void *));
+extern void mvme16x_sched_init(irq_handler_t handler);
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
 extern int mvme16x_set_clock_mmss (unsigned long);
@@ -54,7 +54,7 @@
 /* Save tick handler routine pointer, will point to do_timer() in
  * kernel/sched.c, called via mvme16x_process_int() */
 
-static irqreturn_t (*tick_handler)(int, void *);
+static irq_handler_t tick_handler;
 
 
 unsigned short mvme16x_config;
@@ -224,7 +224,7 @@
     return tick_handler(irq, dev_id);
 }
 
-void mvme16x_sched_init (irqreturn_t (*timer_routine)(int, void *))
+void mvme16x_sched_init (irq_handler_t timer_routine)
 {
     p_bdid p = &mvme_bdid;
     int irq;
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 5123f69..92f873c 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -39,7 +39,7 @@
 extern void q40_init_IRQ (void);
 static void q40_get_model(char *model);
 static int  q40_get_hardware_list(char *buffer);
-extern void q40_sched_init(irqreturn_t (*handler)(int, void *));
+extern void q40_sched_init(irq_handler_t handler);
 
 extern unsigned long q40_gettimeoffset (void);
 extern int q40_hwclk (int, struct rtc_time *);
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index 4a4ee4d..31cc07d 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -125,7 +125,7 @@
 	sound_ticks = ticks << 1;
 }
 
-static irqreturn_t (*q40_timer_routine)(int, void *);
+static irq_handler_t q40_timer_routine;
 
 static irqreturn_t q40_timer_int (int irq, void * dev)
 {
@@ -142,7 +142,7 @@
 	return IRQ_HANDLED;
 }
 
-void q40_sched_init (irqreturn_t (*timer_routine)(int, void *))
+void q40_sched_init (irq_handler_t timer_routine)
 {
 	int timer_irq;
 
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 43e4aa3..4851b84 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -35,7 +35,7 @@
 char sun3_reserved_pmeg[SUN3_PMEGS_NUM];
 
 extern unsigned long sun3_gettimeoffset(void);
-extern void sun3_sched_init(irqreturn_t (*handler)(int, void *));
+extern void sun3_sched_init(irq_handler_t handler);
 extern void sun3_get_model (char* model);
 extern void idprom_init (void);
 extern int sun3_hwclk(int set, struct rtc_time *t);
@@ -162,7 +162,7 @@
 	sun3_bootmem_alloc(memory_start, memory_end);
 }
 
-void __init sun3_sched_init(irqreturn_t (*timer_routine)(int, void *))
+void __init sun3_sched_init(irq_handler_t timer_routine)
 {
 	sun3_disable_interrupts();
         intersil_clock->cmd_reg=(INTERSIL_RUN|INTERSIL_INT_DISABLE|INTERSIL_24H_MODE);
diff --git a/arch/m68k/sun3x/time.c b/arch/m68k/sun3x/time.c
index 33eb1ec..f5eaafb 100644
--- a/arch/m68k/sun3x/time.c
+++ b/arch/m68k/sun3x/time.c
@@ -90,7 +90,7 @@
 }
 #endif
 
-void __init sun3x_sched_init(irqreturn_t (*vector)(int, void *))
+void __init sun3x_sched_init(irq_handler_t vector)
 {
 
 	sun3_disable_interrupts();
diff --git a/arch/m68k/sun3x/time.h b/arch/m68k/sun3x/time.h
index e39079c..6909e12 100644
--- a/arch/m68k/sun3x/time.h
+++ b/arch/m68k/sun3x/time.h
@@ -3,7 +3,7 @@
 
 extern int sun3x_hwclk(int set, struct rtc_time *t);
 unsigned long sun3x_gettimeoffset (void);
-void sun3x_sched_init(irqreturn_t (*vector)(int, void *));
+void sun3x_sched_init(irq_handler_t vector);
 
 struct mostek_dt {
 	volatile unsigned char csr;
diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c
index c3019b9..c78260d 100644
--- a/arch/mips/au1000/common/dma.c
+++ b/arch/mips/au1000/common/dma.c
@@ -160,7 +160,7 @@
  * Requests the DMA done IRQ if irqhandler != NULL.
  */
 int request_au1000_dma(int dev_id, const char *dev_str,
-		       irqreturn_t (*irqhandler)(int, void *),
+		       irq_handler_t irqhandler,
 		       unsigned long irqflags,
 		       void *irq_dev_id)
 {
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index b32597e..2abe132 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -288,7 +288,7 @@
 };
 
 #ifdef CONFIG_PM
-void startup_match20_interrupt(irqreturn_t (*handler)(int, void *))
+void startup_match20_interrupt(irq_handler_t handler)
 {
 	struct irq_desc *desc = &irq_desc[AU1000_TOY_MATCH2_INT];
 
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index dd9c364..94f0919 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -61,7 +61,7 @@
 #error "unsupported HZ value! Must be in [100,1000]"
 #endif
 #define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
-extern void startup_match20_interrupt(irqreturn_t (*handler)(int, void *));
+extern void startup_match20_interrupt(irq_handler_t handler);
 static unsigned long last_pc0, last_match20;
 #endif
 
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index da9fe25..39db7a3 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -319,7 +319,7 @@
 
 int ibmebus_request_irq(struct ibmebus_dev *dev,
 			u32 ist, 
-			irqreturn_t (*handler)(int, void*),
+			irq_handler_t handler,
 			unsigned long irq_flags, const char * devname,
 			void *dev_id)
 {
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index ae4dfc8..b3b6680 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -134,8 +134,8 @@
     prom_halt();
 }
 
-void (*sparc_init_timers)(irqreturn_t (*)(int, void *)) =
-    (void (*)(irqreturn_t (*)(int, void *))) irq_panic;
+void (*sparc_init_timers)(irq_handler_t ) =
+    (void (*)(irq_handler_t )) irq_panic;
 
 /*
  * Dave Redman (djhr@tadpole.co.uk)
@@ -376,7 +376,7 @@
  * thus no sharing possible.
  */
 int request_fast_irq(unsigned int irq,
-		     irqreturn_t (*handler)(int, void *),
+		     irq_handler_t handler,
 		     unsigned long irqflags, const char *devname)
 {
 	struct irqaction *action;
@@ -475,7 +475,7 @@
 }
 
 int request_irq(unsigned int irq,
-		irqreturn_t (*handler)(int, void *),
+		irq_handler_t handler,
 		unsigned long irqflags, const char * devname, void *dev_id)
 {
 	struct irqaction * action, **actionp;
@@ -485,7 +485,7 @@
 	
 	if (sparc_cpu_model == sun4d) {
 		extern int sun4d_request_irq(unsigned int, 
-					     irqreturn_t (*)(int, void *),
+					     irq_handler_t ,
 					     unsigned long, const char *, void *);
 		return sun4d_request_irq(irq, handler, irqflags, devname, dev_id);
 	}
diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c
index 2eaa0d0..009e891 100644
--- a/arch/sparc/kernel/sun4c_irq.c
+++ b/arch/sparc/kernel/sun4c_irq.c
@@ -154,7 +154,7 @@
 	/* Errm.. not sure how to do this.. */
 }
 
-static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *))
+static void __init sun4c_init_timers(irq_handler_t counter_fn)
 {
 	int irq;
 
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 836d156..d4f9da8 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -276,7 +276,7 @@
 }
 
 int sun4d_request_irq(unsigned int irq,
-		irqreturn_t (*handler)(int, void *),
+		irq_handler_t handler,
 		unsigned long irqflags, const char * devname, void *dev_id)
 {
 	struct irqaction *action, *tmp = NULL, **actionp;
@@ -470,7 +470,7 @@
 	bw_set_prof_limit(cpu, limit);
 }
 
-static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *))
+static void __init sun4d_init_timers(irq_handler_t counter_fn)
 {
 	int irq;
 	int cpu;
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index 28bcf8e..a654c16 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -228,7 +228,7 @@
 	sun4m_timers->cpu_timers[cpu].l14_timer_limit = limit;
 }
 
-static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *))
+static void __init sun4m_init_timers(irq_handler_t counter_fn)
 {
 	int reg_count, irq, cpu;
 	struct linux_prom_registers cnt_regs[PROMREG_MAX];
diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c
index 7107d2f..f1a7bd1 100644
--- a/arch/sparc/kernel/tick14.c
+++ b/arch/sparc/kernel/tick14.c
@@ -55,7 +55,7 @@
 	linux_lvl14[3] =  obp_lvl14[3]; 
 }
 
-void claim_ticker14(irqreturn_t (*handler)(int, void *),
+void claim_ticker14(irq_handler_t handler,
 		    int irq_nr, unsigned int timeout )
 {
 	int cpu = smp_processor_id();
diff --git a/arch/um/include/irq_kern.h b/arch/um/include/irq_kern.h
index 81beb18..4f77559 100644
--- a/arch/um/include/irq_kern.h
+++ b/arch/um/include/irq_kern.h
@@ -10,11 +10,11 @@
 #include "asm/ptrace.h"
 
 extern int um_request_irq(unsigned int irq, int fd, int type,
-			  irqreturn_t (*handler)(int, void *),
+			  irq_handler_t handler,
 			  unsigned long irqflags,  const char * devname,
 			  void *dev_id);
 extern int init_aio_irq(int irq, char *name,
-			irqreturn_t (*handler)(int, void *));
+			irq_handler_t handler);
 
 #endif
 
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 3c01c2b..ef25956 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -364,7 +364,7 @@
 }
 
 int um_request_irq(unsigned int irq, int fd, int type,
-		   irqreturn_t (*handler)(int, void *),
+		   irq_handler_t handler,
 		   unsigned long irqflags, const char * devname,
 		   void *dev_id)
 {
@@ -425,7 +425,7 @@
 	}
 }
 
-int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *))
+int init_aio_irq(int irq, char *name, irq_handler_t handler)
 {
 	int fds[2], err;
 
diff --git a/include/asm-arm/arch-pxa/mmc.h b/include/asm-arm/arch-pxa/mmc.h
index b704c4f..a38a28c 100644
--- a/include/asm-arm/arch-pxa/mmc.h
+++ b/include/asm-arm/arch-pxa/mmc.h
@@ -10,7 +10,7 @@
 struct pxamci_platform_data {
 	unsigned int ocr_mask;			/* available voltages */
 	unsigned long detect_delay;		/* delay in jiffies before detecting cards after interrupt */
-	int (*init)(struct device *, irqreturn_t (*)(int, void *), void *);
+	int (*init)(struct device *, irq_handler_t , void *);
 	int (*get_ro)(struct device *);
 	void (*setpower)(struct device *, unsigned int);
 	void (*exit)(struct device *, void *);
diff --git a/include/asm-m68k/atari_stdma.h b/include/asm-m68k/atari_stdma.h
index a6986af..8e389b7 100644
--- a/include/asm-m68k/atari_stdma.h
+++ b/include/asm-m68k/atari_stdma.h
@@ -8,7 +8,7 @@
 
 /***************************** Prototypes *****************************/
 
-void stdma_lock(irqreturn_t (*handler)(int, void *), void *data);
+void stdma_lock(irq_handler_t handler, void *data);
 void stdma_release( void );
 int stdma_others_waiting( void );
 int stdma_islocked( void );
diff --git a/include/asm-m68k/ide.h b/include/asm-m68k/ide.h
index 896683a..f9ffb2c 100644
--- a/include/asm-m68k/ide.h
+++ b/include/asm-m68k/ide.h
@@ -123,7 +123,7 @@
 }
 
 static __inline__ void
-ide_get_lock(irqreturn_t (*handler)(int, void *), void *data)
+ide_get_lock(irq_handler_t handler, void *data)
 {
 	if (MACH_IS_ATARI) {
 		if (falconide_intr_lock == 0) {
diff --git a/include/asm-m68k/machdep.h b/include/asm-m68k/machdep.h
index 862afa4c..26d2b91 100644
--- a/include/asm-m68k/machdep.h
+++ b/include/asm-m68k/machdep.h
@@ -10,7 +10,7 @@
 struct rtc_pll_info;
 struct buffer_head;
 
-extern void (*mach_sched_init) (irqreturn_t (*handler)(int, void *));
+extern void (*mach_sched_init) (irq_handler_t handler);
 /* machine dependent irq functions */
 extern void (*mach_init_IRQ) (void);
 extern void (*mach_get_model) (char *model);
diff --git a/include/asm-mips/mach-au1x00/au1000_dma.h b/include/asm-mips/mach-au1x00/au1000_dma.h
index 0493cb0..9f29520 100644
--- a/include/asm-mips/mach-au1x00/au1000_dma.h
+++ b/include/asm-mips/mach-au1x00/au1000_dma.h
@@ -123,7 +123,7 @@
 extern struct dma_chan au1000_dma_table[];
 extern int request_au1000_dma(int dev_id,
 			      const char *dev_str,
-			      irqreturn_t (*irqhandler)(int, void *),
+			      irq_handler_t irqhandler,
 			      unsigned long irqflags,
 			      void *irq_dev_id);
 extern void free_au1000_dma(unsigned int dmanr);
diff --git a/include/asm-powerpc/ibmebus.h b/include/asm-powerpc/ibmebus.h
index 9d25f20..3493429b 100644
--- a/include/asm-powerpc/ibmebus.h
+++ b/include/asm-powerpc/ibmebus.h
@@ -65,7 +65,7 @@
 
 int ibmebus_request_irq(struct ibmebus_dev *dev,
 			u32 ist, 
-			irqreturn_t (*handler)(int, void*),
+			irq_handler_t handler,
 			unsigned long irq_flags, const char * devname,
 			void *dev_id);
 void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id);
diff --git a/include/asm-sparc/irq.h b/include/asm-sparc/irq.h
index 7086733..ff520ea 100644
--- a/include/asm-sparc/irq.h
+++ b/include/asm-sparc/irq.h
@@ -76,8 +76,8 @@
 	BTFIXUP_CALL(load_profile_irq)(cpu, limit);
 }
 
-extern void (*sparc_init_timers)(irqreturn_t (*lvl10_irq)(int, void *));
-extern void claim_ticker14(irqreturn_t (*irq_handler)(int, void *),
+extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
+extern void claim_ticker14(irq_handler_t irq_handler,
 			   int irq,
 			   unsigned int timeout);
 
@@ -91,7 +91,7 @@
 #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
 #endif
 
-extern int request_fast_irq(unsigned int irq, irqreturn_t (*handler)(int, void *), unsigned long flags, __const__ char *devname);
+extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);
 
 /* On the sun4m, just like the timers, we have both per-cpu and master
  * interrupt registers.