diff --git a/arch/m68knommu/platform/68328/timers.c b/arch/m68knommu/platform/68328/timers.c
index 438ef6ee9720..ef067f4c3cd4 100644
--- a/arch/m68knommu/platform/68328/timers.c
+++ b/arch/m68knommu/platform/68328/timers.c
@@ -17,6 +17,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/interrupt.h>
 #include <asm/setup.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -52,7 +53,7 @@
 
 /***************************************************************************/
 
-void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *))
+void m68328_timer_init(irq_handler_t timer_routine)
 {
 	/* disable timer 1 */
 	TCTL = 0;
diff --git a/arch/m68knommu/platform/68EZ328/config.c b/arch/m68knommu/platform/68EZ328/config.c
index 659b80aca118..ab36551fc969 100644
--- a/arch/m68knommu/platform/68EZ328/config.c
+++ b/arch/m68knommu/platform/68EZ328/config.c
@@ -19,6 +19,7 @@
 #include <linux/mm.h>
 #include <linux/tty.h>
 #include <linux/console.h>
+#include <linux/interrupt.h>
 
 #include <asm/setup.h>
 #include <asm/system.h>
@@ -31,7 +32,7 @@
 
 /***************************************************************************/
 
-void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *));
+void m68328_timer_init(irq_handler_t timer_routine);
 void m68328_timer_tick(void);
 unsigned long m68328_timer_gettimeoffset(void);
 void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec);
diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c
index fcd100b7594d..8abe0f6e7235 100644
--- a/arch/m68knommu/platform/68VZ328/config.c
+++ b/arch/m68knommu/platform/68VZ328/config.c
@@ -21,6 +21,7 @@
 #include <linux/console.h>
 #include <linux/kd.h>
 #include <linux/netdevice.h>
+#include <linux/interrupt.h>
 
 #include <asm/setup.h>
 #include <asm/system.h>
@@ -36,7 +37,7 @@
 
 /***************************************************************************/
 
-void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *));
+void m68328_timer_init(irq_handler_t timer_routine);
 void m68328_timer_tick(void);
 unsigned long m68328_timer_gettimeoffset(void);
 void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec);