From: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx> The HW has to be awake when accessing registers. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/main.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 3e0c8a1..890b825 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1944,7 +1944,9 @@ 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; @@ -1956,7 +1958,9 @@ 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); } -- 1.7.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
