diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 490f74d9ddf0a62c39cdd65b6f053248979f03fe..ddb28861e7feeef9e14cda5fe2b80e6e14d44cc2 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -22,7 +22,7 @@
 
 #ifdef CONFIG_MAC80211_LEDS
 
-void ath_fill_led_pin(struct ath_softc *sc)
+static void ath_fill_led_pin(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;