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authorVivek Natarajan <vivek.natraj@gmail.com>2009-03-30 14:17:00 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-04-22 16:54:29 -0400
commit8782b41d13c8e5f9a201477d3c15edf9fe7c372c (patch)
tree1f1588ee8053776ca7688e41448131288733c135
parent616de35da94df8748771a014ef898360d5f4d0c8 (diff)
ath9k: No need to abort Rx path when autosleep is enabled.
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>
-rw-r--r--drivers/net/wireless/ath9k/main.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 0607df20e49..97cf83fa855 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -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);
+ }
}
}
}