diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2009-07-24 19:27:22 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-29 23:46:04 +0400 |
| commit | cbdec9758736c30ecbb03651b0c2915c442a5895 (patch) | |
| tree | c3d1d7fc94bfe9b2f4dfdf12463adc5902d55513 /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | 96148326c4b54db5c384def1a5ab285c359d1395 (diff) | |
| download | linux-cbdec9758736c30ecbb03651b0c2915c442a5895.tar.xz | |
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/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 8 |
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 e6e52f48e718..431854ccb65b 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); |