mi->stats_update = jiffies;
}
+@@ -467,7 +480,7 @@ minstrel_ht_tx_status(void *priv, struct
+
+ if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
+ mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+- mi->sample_tries = 2;
++ mi->sample_tries = 1;
+ mi->sample_count--;
+ }
+
@@ -536,7 +549,7 @@ minstrel_calc_retransmit(struct minstrel
mr->retry_updated = true;
/* time of last status update */
unsigned long stats_update;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+@@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct at
+ AR_PHY_AGC_CONTROL_FLTR_CAL |
+ AR_PHY_AGC_CONTROL_PKDET_CAL;
+
++ /* Use chip chainmask only for calibration */
+ ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
+
+ if (rtt) {
+@@ -1150,6 +1151,9 @@ skip_tx_iqcal:
+ ar9003_hw_rtt_disable(ah);
+ }
+
++ /* Revert chainmask to runtime parameters */
++ ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
++
+ /* Initialize list pointers */
+ ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
+
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -3606,6 +3606,12 @@ static void ar9003_hw_ant_ctrl_apply(str
+ value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
+ REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
+
++ if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
++ value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);
++ REG_RMW_FIELD(ah, switch_chain_reg[0],
++ AR_SWITCH_TABLE_ALL, value);
++ }
++
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if ((ah->rxchainmask & BIT(chain)) ||
+ (ah->txchainmask & BIT(chain))) {
+@@ -3772,6 +3778,17 @@ static void ar9003_hw_atten_apply(struct
+ AR_PHY_EXT_ATTEN_CTL_2,
+ };
+
++ if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
++ value = ar9003_hw_atten_chain_get(ah, 1, chan);
++ REG_RMW_FIELD(ah, ext_atten_reg[0],
++ AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
++
++ value = ar9003_hw_atten_chain_get_margin(ah, 1, chan);
++ REG_RMW_FIELD(ah, ext_atten_reg[0],
++ AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
++ value);
++ }
++
+ /* Test value. if 0 then attenuation is unused. Don't load anything. */
+ for (i = 0; i < 3; i++) {
+ if (ah->txchainmask & BIT(i)) {
+--- a/drivers/net/wireless/ath/ath9k/link.c
++++ b/drivers/net/wireless/ath/ath9k/link.c
+@@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct wo
+ int i;
+ bool needreset = false;
+
+- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+- if (ATH_TXQ_SETUP(sc, i)) {
+- txq = &sc->tx.txq[i];
+- ath_txq_lock(sc, txq);
+- if (txq->axq_depth) {
+- if (txq->axq_tx_inprogress) {
+- needreset = true;
+- ath_txq_unlock(sc, txq);
+- break;
+- } else {
+- txq->axq_tx_inprogress = true;
+- }
++ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
++ txq = sc->tx.txq_map[i];
++
++ ath_txq_lock(sc, txq);
++ if (txq->axq_depth) {
++ if (txq->axq_tx_inprogress) {
++ needreset = true;
++ ath_txq_unlock(sc, txq);
++ break;
++ } else {
++ txq->axq_tx_inprogress = true;
+ }
+- ath_txq_unlock_complete(sc, txq);
+ }
++ ath_txq_unlock_complete(sc, txq);
++ }
+
+ if (needreset) {
+ ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(stru
+ struct ieee80211_local *local;
+ struct ieee80211_sub_if_data *sdata;
+ int ret, i;
++ bool have_key = false;
+
+ might_sleep();
+
+@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(stru
+ list_del_rcu(&sta->list);
+
+ mutex_lock(&local->key_mtx);
+- for (i = 0; i < NUM_DEFAULT_KEYS; i++)
++ for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+ __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
+- if (sta->ptk)
++ have_key = true;
++ }
++ if (sta->ptk) {
+ __ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
++ have_key = true;
++ }
+ mutex_unlock(&local->key_mtx);
+
++ if (!have_key)
++ synchronize_net();
++
+ sta->dead = true;
+
+ local->num_sta--;