diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 41a312a3d40..daa3c9feca6 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -246,9 +246,10 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, * the relevant bits of the h/w. */ ath9k_hw_disable_interrupts(ah); - ath_drain_all_txq(sc, false); + stopped = ath_drain_all_txq(sc, false); - stopped = ath_stoprecv(sc); + if (!ath_stoprecv(sc)) + stopped = false; /* XXX: do not flush receive queue here. We don't want * to flush data frames already in queue because of @@ -1434,8 +1435,6 @@ 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_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n"); @@ -1449,26 +1448,21 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) || (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) { + /* 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_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); ath9k_ps_restore(sc); + tasklet_kill(&sc->bcon_tasklet); } ath_beacon_return(sc, avp); sc->sc_flags &= ~SC_OP_BEACONS; - for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { - if (sc->beacon.bslot[i] == vif) { - printk(KERN_DEBUG "%s: vif had allocated beacon " - "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; + if (sc->nbcnvifs) { + /* Re-enable 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); |