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path: root/drivers/net/wireless/ath/ath9k/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 25d3ef4c338e..c0c3464d3a86 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -15,7 +15,6 @@
*/
#include <linux/nl80211.h>
-#include <linux/pm_qos_params.h>
#include "ath9k.h"
#include "btcoex.h"
@@ -245,11 +244,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
* the relevant bits of the h/w.
*/
ath9k_hw_set_interrupts(ah, 0);
- ath_drain_all_txq(sc, false);
+ stopped = ath_drain_all_txq(sc, false);
spin_lock_bh(&sc->rx.pcu_lock);
- 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
@@ -1244,7 +1244,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
ath9k_btcoex_timer_resume(sc);
}
- pm_qos_update_request(&ath9k_pm_qos_req, 55);
+ pm_qos_update_request(&sc->pm_qos_req, 55);
mutex_unlock:
mutex_unlock(&sc->mutex);
@@ -1423,7 +1423,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
sc->sc_flags |= SC_OP_INVALID;
- pm_qos_update_request(&ath9k_pm_qos_req, PM_QOS_DEFAULT_VALUE);
+ pm_qos_update_request(&sc->pm_qos_req, PM_QOS_DEFAULT_VALUE);
mutex_unlock(&sc->mutex);
@@ -1520,7 +1520,6 @@ 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;
- int i;
ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
@@ -1534,21 +1533,24 @@ 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;
- }
+ 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);
}
sc->nvifs--;