ath9k: Remove all the useless ah_ variable prefixes

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index 91140b7..0b0f82c 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -670,8 +670,8 @@
 static inline void ath9k_ps_wakeup(struct ath_softc *sc)
 {
 	if (atomic_inc_return(&sc->ps_usecount) == 1)
-		if (sc->sc_ah->ah_power_mode !=  ATH9K_PM_AWAKE) {
-			sc->sc_ah->ah_restore_mode = sc->sc_ah->ah_power_mode;
+		if (sc->sc_ah->power_mode !=  ATH9K_PM_AWAKE) {
+			sc->sc_ah->restore_mode = sc->sc_ah->power_mode;
 			ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
 		}
 }
@@ -681,6 +681,6 @@
 	if (atomic_dec_and_test(&sc->ps_usecount))
 		if (sc->hw->conf.flags & IEEE80211_CONF_PS)
 			ath9k_hw_setpower(sc->sc_ah,
-					  sc->sc_ah->ah_restore_mode);
+					  sc->sc_ah->restore_mode);
 }
 #endif /* ATH9K_H */