diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 9939c206afa42c776eef326e92094a29e5eaa211..fb4bf0ad8f3252d70f3e82777c54b446e4d3e9db 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -319,7 +319,7 @@ unsigned long tb_last_stamp __cacheline_aligned_in_smp;
  * timer_interrupt - gets called when the decrementer overflows,
  * with interrupts disabled.
  */
-int timer_interrupt(struct pt_regs * regs)
+void timer_interrupt(struct pt_regs * regs)
 {
 	int next_dec;
 	unsigned long cur_tb;
@@ -377,8 +377,6 @@ int timer_interrupt(struct pt_regs * regs)
 	}
 
 	irq_exit();
-
-	return 1;
 }
 
 /*
diff --git a/include/asm-ppc64/hw_irq.h b/include/asm-ppc64/hw_irq.h
index baea40e695ecb3c0f3d7c47a1a582a8106789cbc..c483897b875722adfcb864921042dfa2eb2fdd98 100644
--- a/include/asm-ppc64/hw_irq.h
+++ b/include/asm-ppc64/hw_irq.h
@@ -16,7 +16,7 @@
 #include <linux/errno.h>
 #include <asm/irq.h>
 
-int timer_interrupt(struct pt_regs *);
+extern void timer_interrupt(struct pt_regs *);
 extern void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq);
 
 #ifdef CONFIG_PPC_ISERIES