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authorGabor Juhos <juhosg@openwrt.org>2009-07-24 17:27:22 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-07-29 15:46:04 -0400
commitcbdec9758736c30ecbb03651b0c2915c442a5895 (patch)
treec3d1d7fc94bfe9b2f4dfdf12463adc5902d55513 /drivers/net
parent96148326c4b54db5c384def1a5ab285c359d1395 (diff)
ath9k: get rid of unnecessary setpower calls
We are using setpower routines regardless of the current power mode. Don't bother the hardware, if it is not necessary. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e6e52f48e71..431854ccb65 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -478,6 +478,8 @@ static struct ath_hw *ath9k_hw_newstate(u16 devid, struct ath_softc *sc,
ah->gbeacon_rate = 0;
+ ah->power_mode = ATH9K_PM_UNDEFINED;
+
return ah;
}
@@ -2819,6 +2821,9 @@ static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
"UNDEFINED"
};
+ if (ah->power_mode == mode)
+ return status;
+
DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s -> %s\n",
modes[ah->power_mode], modes[mode]);
@@ -2863,8 +2868,7 @@ void ath9k_ps_wakeup(struct ath_softc *sc)
if (++sc->ps_usecount != 1)
goto unlock;
- if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE)
- ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
+ ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
unlock:
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);