From: Sujith <m.sujith@gmail.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org, Sujith.Manoharan@atheros.com
Subject: [PATCH] ath9k: Use power save wrappers for TSF get/set
Date: Fri, 10 Dec 2010 11:27:06 +0530 [thread overview]
Message-ID: <19713.49458.228893.842608@gargle.gargle.HOWL> (raw)
From: Sujith Manoharan <Sujith.Manoharan@atheros.com>
The HW has to be awake when accessing registers.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
---
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
reply other threads:[~2010-12-10 5:57 UTC|newest]
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