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authorSujith Manoharan <Sujith.Manoharan@atheros.com>2010-12-10 05:57:06 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2010-12-13 20:23:30 (GMT)
commit9abbfb27dd96361187bb3872b2c349a76f5e09e9 (patch)
treea204537654e99744f6a68bfaeb862dad5c00052e /drivers/net
parent44316cb1e97a1e7f76eb3f07e5b0ba91d72e9693 (diff)
downloadlinux-9abbfb27dd96361187bb3872b2c349a76f5e09e9.tar.xz
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c4
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 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);
}