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ath9k: No need to abort Rx path when autosleep is enabled.

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For chipsets supporting autosleep feature, there is no need to abort
Rx engine since they are capable of automatically going back to sleep
after receiving a packet.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan 2009-03-30 14:17:00 +05:30 committed by John W. Linville
parent 616de35da9
commit 8782b41d13
1 changed files with 18 additions and 11 deletions
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29
drivers/net/wireless/ath9k/main.c
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@ -2325,26 +2325,33 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ieee80211_conf *conf = &hw->conf;
struct ath_hw *ah = sc->sc_ah;
mutex_lock(&sc->mutex);
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (conf->flags & IEEE80211_CONF_PS) {
if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
sc->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
sc->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
}
ath9k_hw_setrxabort(sc->sc_ah, 1);
}
ath9k_hw_setrxabort(sc->sc_ah, 1);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
} else {
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
ath9k_hw_setrxabort(sc->sc_ah, 0);
sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
if (sc->imask & ATH9K_INT_TIM_TIMER) {
sc->imask &= ~ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
ath9k_hw_setrxabort(sc->sc_ah, 0);
sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
if (sc->imask & ATH9K_INT_TIM_TIMER) {
sc->imask &= ~ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
}
}
}
}