[PATCH] ath9k/ath9k_htc: Fix PS wrappers for RF kill

[Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>]

From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/gpio.c         |    7 ++++++-
 drivers/net/wireless/ath/ath9k/htc_drv_gpio.c |   10 ++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index afbf540..fd0f84e 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/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)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
index db2352e..e3a02eb 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
+++ b/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)
-- 
1.7.0.4

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