[PATCH] fix return type of m68knommu timer handler to be irqreturn_t

Fix return type of m68knommu timer interrupt handler to be irqreturn_t.

arch/m68knommu/kernel/time.c

@@ -60,7 +60,7 @@ static inline void do_profile (unsigned long pc)
  * timer_interrupt() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick
  */
-static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
+static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
 {
 	/* last time the cmos clock got updated */
 	static long last_rtc_update=0;
@@ -115,6 +115,7 @@ static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
 #endif /* CONFIG_HEARTBEAT */
 
 	write_sequnlock(&xtime_lock);
+	return(IRQ_HANDLED);
 }
 
 void time_init(void)