--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1056,9 +1056,11 @@ static int ath9k_start(struct ieee80211_
 		goto mutex_unlock;
 	}
 
-	ath9k_hw_cfg_output(ah, ah->led_pin,
-			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
-	ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+	if (ah->led_pin >= 0) {
+		ath9k_hw_cfg_output(ah, ah->led_pin,
+				    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+		ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+	}
 
 	/*
 	 * Reset key cache to sane defaults (all entries cleared) instead of
@@ -1209,8 +1211,10 @@ static void ath9k_stop(struct ieee80211_
 
 	spin_lock_bh(&sc->sc_pcu_lock);
 
-	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
-	ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+	if (ah->led_pin >= 0) {
+		ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+		ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+	}
 
 	ath_prepare_reset(sc, false, true);