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authorRajkumar Manoharan <rmanoharan@atheros.com>2010-11-26 23:24:31 +0530
committerJohn W. Linville <linville@tuxdriver.com>2010-11-29 14:41:28 -0500
commit46047784b8cdcfc916f6c1cccee0c18dd1223dfd (patch)
treef52ec927be084fd2802a980b3da2228f8d90aaa0 /drivers/net
parentc426ee247e40a70490f3d67d3c9c7d1aba54516f (diff)
downloadblackbird-op-linux-46047784b8cdcfc916f6c1cccee0c18dd1223dfd.tar.gz
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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 <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 1cdbdbe33ab5..dace215b693e 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--;
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