diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 426e6a67cc38..ff556a93a397 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -1351,6 +1351,9 @@ static void cmos_check_acpi_rtc_status(struct device *dev,
 {
 }
 
+static void rtc_wake_setup(struct device *dev)
+{
+}
 #endif
 
 #ifdef	CONFIG_PNP