ath9k/ath9k_htc: Fix PS wrappers for RF kill

ath9k_hw_gpio_get reads the GPIO in/out registers to get the status of
GPIO pins, so use PS wrappers
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/gpio.c

@@ -84,9 +84,14 @@ void ath_init_leds(struct ath_softc *sc)
 static bool ath_is_rfkill_set(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	bool is_blocked;
 
-	return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
+	ath9k_ps_wakeup(sc);
+	is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
 				  ah->rfkill_polarity;
+	ath9k_ps_restore(sc);
+
+	return is_blocked;
 }
 
 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)

drivers/net/wireless/ath/ath9k/htc_drv_gpio.c

@@ -228,8 +228,14 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv)
 
 static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv)
 {
-	return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) ==
-		priv->ah->rfkill_polarity;
+	bool is_blocked;
+
+	ath9k_htc_ps_wakeup(priv);
+	is_blocked = ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) ==
+						 priv->ah->rfkill_polarity;
+	ath9k_htc_ps_restore(priv);
+
+	return is_blocked;
 }
 
 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw)