diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index c4b7902..4cc98a5 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -204,8 +204,7 @@
 
 #ifdef CONFIG_OMAP_SERIAL_WAKE
 
-static irqreturn_t omap_serial_wake_interrupt(int irq, void *dev_id,
-					      struct pt_regs *regs)
+static irqreturn_t omap_serial_wake_interrupt(int irq, void *dev_id)
 {
 	/* Need to do something with serial port right after wake-up? */
 	return IRQ_HANDLED;