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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: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2010-12-10 11:27:06 +05:30 committed by John W. Linville
parent 44316cb1e9
commit 9abbfb27dd
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/ath/ath9k/main.c
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@ -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);
}