From: Rajkumar Manoharan Date: Fri, 26 Nov 2010 17:54:31 +0000 (+0530) Subject: ath9k: Disable SWBA interrupt on remove_interface X-Git-Tag: v2.6.37-rc6~14^2~37^2~11 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=46047784b8cdcfc916f6c1cccee0c18dd1223dfd;p=~emulex%2Finfiniband.git ath9k: Disable SWBA interrupt on remove_interface while removing beaconing mode interface, SWBA interrupt was never disabled when there are no other beaconing interfaces. Cc: stable@kernel.org Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 1cdbdbe33ab..dace215b693 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1519,6 +1519,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, struct ath_softc *sc = aphy->sc; struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_vif *avp = (void *)vif->drv_priv; + bool bs_valid = false; int i; ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n"); @@ -1547,7 +1548,15 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, "slot\n", __func__); sc->beacon.bslot[i] = NULL; sc->beacon.bslot_aphy[i] = NULL; - } + } else if (sc->beacon.bslot[i]) + bs_valid = true; + } + if (!bs_valid && (sc->sc_ah->imask & ATH9K_INT_SWBA)) { + /* Disable SWBA interrupt */ + sc->sc_ah->imask &= ~ATH9K_INT_SWBA; + ath9k_ps_wakeup(sc); + ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask); + ath9k_ps_restore(sc); } sc->nvifs--;