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Commit 9abbfb27 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
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ath9k: Use power save wrappers for TSF get/set 



The HW has to be awake when accessing registers.

Signed-off-by: default avatarSujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 44316cb1

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

+4 −0
Original line number Diff line number Diff line
@@ -1987,7 +1987,9 @@ static u64 ath9k_get_tsf(struct ieee80211_hw *hw) 
	struct ath_softc *sc = aphy->sc;



	mutex_lock(&sc->mutex);

	ath9k_ps_wakeup(sc);

	tsf = ath9k_hw_gettsf64(sc->sc_ah);

	ath9k_ps_restore(sc);

	mutex_unlock(&sc->mutex);



	return tsf;
@@ -1999,7 +2001,9 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf) 
	struct ath_softc *sc = aphy->sc;



	mutex_lock(&sc->mutex);

	ath9k_ps_wakeup(sc);

	ath9k_hw_settsf64(sc->sc_ah, tsf);

	ath9k_ps_restore(sc);

	mutex_unlock(&sc->mutex);

}