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authorSenthil Balasubramanian <senthilkumar@atheros.com>2010-10-05 11:06:41 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-10-06 16:30:40 -0400
commit845d708e62f08a45ff716fdb270c52585cad31d0 (patch)
treea777f43c1b3a972f50ae11c31f80d83ba18bb757 /drivers/net/wireless
parentfbab7390f954e3517c72d12cfd9a1502699aa368 (diff)
ath9k: Introduce a wrapper for power save disable.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d0694cb685fa..74c2dc8a8b8a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1498,13 +1498,32 @@ static void ath9k_enable_ps(struct ath_softc *sc)
1498 } 1498 }
1499} 1499}
1500 1500
1501static void ath9k_disable_ps(struct ath_softc *sc)
1502{
1503 struct ath_hw *ah = sc->sc_ah;
1504
1505 sc->ps_enabled = false;
1506 ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
1507 if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
1508 ath9k_hw_setrxabort(ah, 0);
1509 sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
1510 PS_WAIT_FOR_CAB |
1511 PS_WAIT_FOR_PSPOLL_DATA |
1512 PS_WAIT_FOR_TX_ACK);
1513 if (ah->imask & ATH9K_INT_TIM_TIMER) {
1514 ah->imask &= ~ATH9K_INT_TIM_TIMER;
1515 ath9k_hw_set_interrupts(ah, ah->imask);
1516 }
1517 }
1518
1519}
1520
1501static int ath9k_config(struct ieee80211_hw *hw, u32 changed) 1521static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
1502{ 1522{
1503 struct ath_wiphy *aphy = hw->priv; 1523 struct ath_wiphy *aphy = hw->priv;
1504 struct ath_softc *sc = aphy->sc; 1524 struct ath_softc *sc = aphy->sc;
1505 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 1525 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1506 struct ieee80211_conf *conf = &hw->conf; 1526 struct ieee80211_conf *conf = &hw->conf;
1507 struct ath_hw *ah = sc->sc_ah;
1508 bool disable_radio; 1527 bool disable_radio;
1509 1528
1510 mutex_lock(&sc->mutex); 1529 mutex_lock(&sc->mutex);
@@ -1553,23 +1572,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
1553 spin_lock_irqsave(&sc->sc_pm_lock, flags); 1572 spin_lock_irqsave(&sc->sc_pm_lock, flags);
1554 if (conf->flags & IEEE80211_CONF_PS) 1573 if (conf->flags & IEEE80211_CONF_PS)
1555 ath9k_enable_ps(sc); 1574 ath9k_enable_ps(sc);
1556 else { 1575 else
1557 sc->ps_enabled = false; 1576 ath9k_disable_ps(sc);
1558 ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
1559 if (!(ah->caps.hw_caps &
1560 ATH9K_HW_CAP_AUTOSLEEP)) {
1561 ath9k_hw_setrxabort(sc->sc_ah, 0);
1562 sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
1563 PS_WAIT_FOR_CAB |
1564 PS_WAIT_FOR_PSPOLL_DATA |
1565 PS_WAIT_FOR_TX_ACK);
1566 if (ah->imask & ATH9K_INT_TIM_TIMER) {
1567 ah->imask &= ~ATH9K_INT_TIM_TIMER;
1568 ath9k_hw_set_interrupts(sc->sc_ah,
1569 ah->imask);
1570 }
1571 }
1572 }
1573 spin_unlock_irqrestore(&sc->sc_pm_lock, flags); 1577 spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
1574 } 1578 }
1575 1579