From 9abbfb27dd96361187bb3872b2c349a76f5e09e9 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Fri, 10 Dec 2010 11:27:06 +0530 Subject: [PATCH] ath9k: Use power save wrappers for TSF get/set The HW has to be awake when accessing registers. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index ca35aaa..5b4ef81 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -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); } -- 2.7.4