diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
index bde9811cf98c927dcb4bb787bacbdb81a2e6122c..7b21959eaeae66b17f08f5337e42f06cb2842299 100644
--- a/arch/m68knommu/kernel/setup.c
+++ b/arch/m68knommu/kernel/setup.c
@@ -62,7 +62,7 @@ int (*mach_kbdrate) (struct kbd_repeat *);
 void (*mach_kbd_leds) (unsigned int);
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void);
-irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *);
+irq_handler_t mach_default_handler;
 int (*mach_get_irq_list) (struct seq_file *, void *);
 void (*mach_process_int) (int irq, struct pt_regs *fp);
 void (*mach_trap_init) (void);
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c
index c5667bdddd5ef263551ef7e6c7633d75bc64a14b..9226264abf1ab610846d9df98afa4a9c9dfca91d 100644
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -54,7 +54,7 @@ static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
 	update_process_times(user_mode(regs));
 #endif
 	if (current->pid)
-		profile_tick(CPU_PROFILING, regs);
+		profile_tick(CPU_PROFILING);
 
 	/*
 	 * If we have an externally synchronized Linux clock, then update
diff --git a/arch/m68knommu/platform/5307/ints.c b/arch/m68knommu/platform/5307/ints.c
index b4b55093ae7e867a23093883a620e16fc52af909..a57239ec6c8c6fe05453d73330b6034b0e4ea197 100644
--- a/arch/m68knommu/platform/5307/ints.c
+++ b/arch/m68knommu/platform/5307/ints.c
@@ -33,7 +33,7 @@
 /*
  *	This table stores the address info for each vector handler.
  */
-irq_handler_t irq_list[SYS_IRQS];
+struct irq_entry irq_list[SYS_IRQS];
 
 #define NUM_IRQ_NODES 16
 static irq_node_t nodes[NUM_IRQ_NODES];
@@ -44,7 +44,7 @@ volatile unsigned int num_spurious;
 unsigned int local_bh_count[NR_CPUS];
 unsigned int local_irq_count[NR_CPUS];
 
-static irqreturn_t default_irq_handler(int irq, void *ptr, struct pt_regs *regs)
+static irqreturn_t default_irq_handler(int irq, void *ptr)
 {
 #if 1
 	printk(KERN_INFO "%s(%d): default irq handler vec=%d [0x%x]\n",
@@ -70,7 +70,7 @@ void __init init_IRQ(void)
 
 	for (i = 0; i < SYS_IRQS; i++) {
 		if (mach_default_handler)
-			irq_list[i].handler = (*mach_default_handler)[i];
+			irq_list[i].handler = mach_default_handler;
 		else
 			irq_list[i].handler = default_irq_handler;
 		irq_list[i].flags   = IRQ_FLG_STD;
@@ -100,7 +100,7 @@ irq_node_t *new_irq_node(void)
 
 int request_irq(
 	unsigned int irq,
-	irqreturn_t (*handler)(int, void *, struct pt_regs *),
+	irq_handler_t handler,
 	unsigned long flags,
 	const char *devname,
 	void *dev_id)
@@ -157,7 +157,7 @@ void free_irq(unsigned int irq, void *dev_id)
 	}
 
 	if (mach_default_handler)
-		irq_list[irq].handler = (*mach_default_handler)[irq];
+		irq_list[irq].handler = mach_default_handler;
 	else
 		irq_list[irq].handler = default_irq_handler;
 	irq_list[irq].flags   = IRQ_FLG_STD;
@@ -168,8 +168,7 @@ void free_irq(unsigned int irq, void *dev_id)
 EXPORT_SYMBOL(free_irq);
 
 
-int sys_request_irq(unsigned int irq, 
-                    irqreturn_t (*handler)(int, void *, struct pt_regs *), 
+int sys_request_irq(unsigned int irq, irq_handler_t handler, 
                     unsigned long flags, const char *devname, void *dev_id)
 {
 	if (irq > IRQ7) {
@@ -211,7 +210,7 @@ void sys_free_irq(unsigned int irq, void *dev_id)
 		printk(KERN_WARNING "%s: Removing probably wrong IRQ %d from %s\n",
 		       __FUNCTION__, irq, irq_list[irq].devname);
 
-	irq_list[irq].handler = (*mach_default_handler)[irq];
+	irq_list[irq].handler = mach_default_handler;
 	irq_list[irq].flags   = 0;
 	irq_list[irq].dev_id  = NULL;
 	irq_list[irq].devname = NULL;
@@ -241,7 +240,7 @@ asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
 	if (vec >= VEC_INT1 && vec <= VEC_INT7) {
 		vec -= VEC_SPUR;
 		kstat_cpu(0).irqs[vec]++;
-		irq_list[vec].handler(vec, irq_list[vec].dev_id, fp);
+		irq_list[vec].handler(vec, irq_list[vec].dev_id);
 	} else {
 		if (mach_process_int)
 			mach_process_int(vec, fp);
diff --git a/include/asm-m68knommu/irq_regs.h b/include/asm-m68knommu/irq_regs.h
new file mode 100644
index 0000000000000000000000000000000000000000..3dd9c0b702704abfe23c0b8085f0fd84dcd3f5d5
--- /dev/null
+++ b/include/asm-m68knommu/irq_regs.h
@@ -0,0 +1 @@
+#include <asm-generic/irq_regs.h>
diff --git a/include/asm-m68knommu/irqnode.h b/include/asm-m68knommu/irqnode.h
index a2503dfc554c59dbc60cbed803d1f464062463de..6132a9858b5236f312bcc91a69222008d3be0e84 100644
--- a/include/asm-m68knommu/irqnode.h
+++ b/include/asm-m68knommu/irqnode.h
@@ -8,7 +8,7 @@
  * interrupt source (if it supports chaining).
  */
 typedef struct irq_node {
-	irqreturn_t	(*handler)(int, void *, struct pt_regs *);
+	irq_handler_t	handler;
 	unsigned long	flags;
 	void		*dev_id;
 	const char	*devname;
@@ -18,12 +18,12 @@ typedef struct irq_node {
 /*
  * This structure has only 4 elements for speed reasons
  */
-typedef struct irq_handler {
-	irqreturn_t	(*handler)(int, void *, struct pt_regs *);
+struct irq_entry {
+	irq_handler_t	handler;
 	unsigned long	flags;
 	void		*dev_id;
 	const char	*devname;
-} irq_handler_t;
+};
 
 /* count of spurious interrupts */
 extern volatile unsigned int num_spurious;
diff --git a/include/asm-m68knommu/machdep.h b/include/asm-m68knommu/machdep.h
index 27c90afd3339cfc29054635bcf301dfe180e259e..6ce28f8e0eadd4b7d0a154547922b557cc31a4ee 100644
--- a/include/asm-m68knommu/machdep.h
+++ b/include/asm-m68knommu/machdep.h
@@ -18,7 +18,7 @@ extern int (*mach_kbdrate) (struct kbd_repeat *);
 extern void (*mach_kbd_leds) (unsigned int);
 /* machine dependent irq functions */
 extern void (*mach_init_IRQ) (void);
-extern irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *);
+extern irq_handler_t mach_default_handler;
 extern int (*mach_request_irq) (unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
                                 unsigned long flags, const char *devname, void *dev_id);
 extern void (*mach_free_irq) (unsigned int irq, void *dev_id);