diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index 28b0189..767ee66 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -147,7 +147,7 @@
 	.end = cpm2_end_irq,
 };
 
-unsigned int cpm2_get_irq(struct pt_regs *regs)
+unsigned int cpm2_get_irq(void)
 {
 	int irq;
 	unsigned long bits;