---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
-
-+ ath9k_ps_wakeup(sc);
+--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+@@ -829,7 +829,7 @@ static bool ar9002_hw_init_cal(struct at
+ if (AR_SREV_9271(ah)) {
+ if (!ar9285_hw_cl_cal(ah, chan))
+ return false;
+- } else if (AR_SREV_9285_12_OR_LATER(ah)) {
++ } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
+ if (!ar9285_hw_clc(ah, chan))
+ return false;
+ } else {
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -1381,3 +1381,25 @@ void ar9003_hw_bb_watchdog_dbg_info(stru
+ "==== BB update: done ====\n\n");
+ }
+ EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info);
+
- mutex_lock(&sc->mutex);
-
- /* setup initial channel */
-@@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_
- mutex_unlock:
- mutex_unlock(&sc->mutex);
-
-+ ath9k_ps_restore(sc);
++void ar9003_hw_disable_phy_restart(struct ath_hw *ah)
++{
++ u32 val;
+
- return r;
- }
++ /* While receiving unsupported rate frame rx state machine
++ * gets into a state 0xb and if phy_restart happens in that
++ * state, BB would go hang. If RXSM is in 0xb state after
++ * first bb panic, ensure to disable the phy_restart.
++ */
++ if (!((MS(ah->bb_watchdog_last_status,
++ AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) ||
++ ah->bb_hang_rx_ofdm))
++ return;
++
++ ah->bb_hang_rx_ofdm = true;
++ val = REG_READ(ah, AR_PHY_RESTART);
++ val &= ~AR_PHY_RESTART_ENA;
++
++ REG_WRITE(ah, AR_PHY_RESTART, val);
++}
++EXPORT_SYMBOL(ar9003_hw_disable_phy_restart);
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1555,9 +1555,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ if (ah->btcoex_hw.enabled)
+ ath9k_hw_btcoex_enable(ah);
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -661,7 +661,6 @@ static void ieee80211_sta_find_ibss(stru
- static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *req)
- {
-- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
- struct ieee80211_mgmt *mgmt = (void *)req->data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-@@ -685,7 +684,7 @@ static void ieee80211_rx_mgmt_probe_req(
- mgmt->bssid, tx_last_beacon);
- #endif /* CONFIG_MAC80211_IBSS_DEBUG */
+- if (AR_SREV_9300_20_OR_LATER(ah))
++ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ ar9003_hw_bb_watchdog_config(ah);
-- if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
-+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
- return;
++ ar9003_hw_disable_phy_restart(ah);
++ }
++
+ ath9k_hw_apply_gpio_override(ah);
- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, stru
- struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
- u16 sta_cap = sta->ht_cap.cap;
-+ int n_supported = 0;
- int ack_dur;
- int stbc;
- int i;
+ return 0;
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -842,6 +842,7 @@ struct ath_hw {
- /* fall back to the old minstrel for legacy stations */
-- if (!sta->ht_cap.ht_supported) {
-- msp->is_ht = false;
-- memset(&msp->legacy, 0, sizeof(msp->legacy));
-- msp->legacy.r = msp->ratelist;
-- msp->legacy.sample_table = msp->sample_table;
-- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
-- }
-+ if (!sta->ht_cap.ht_supported)
-+ goto use_legacy;
+ u32 bb_watchdog_last_status;
+ u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
++ u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */
- BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
- MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
-@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, stru
+ unsigned int paprd_target_power;
+ unsigned int paprd_training_power;
+@@ -990,6 +991,7 @@ void ar9002_hw_enable_wep_aggregation(st
+ void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
+ void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
+ void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
++void ar9003_hw_disable_phy_restart(struct ath_hw *ah);
+ void ar9003_paprd_enable(struct ath_hw *ah, bool val);
+ void ar9003_paprd_populate_single_table(struct ath_hw *ah,
+ struct ath9k_hw_cal_data *caldata,
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -670,7 +670,8 @@ void ath9k_tasklet(unsigned long data)
+ u32 status = sc->intrstatus;
+ u32 rxmask;
- mi->groups[i].supported =
- mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
-+
-+ if (mi->groups[i].supported)
-+ n_supported++;
+- if (status & ATH9K_INT_FATAL) {
++ if ((status & ATH9K_INT_FATAL) ||
++ (status & ATH9K_INT_BB_WATCHDOG)) {
+ ath_reset(sc, true);
+ return;
}
-+
-+ if (!n_supported)
-+ goto use_legacy;
-+
-+ return;
-+
-+use_legacy:
-+ msp->is_ht = false;
-+ memset(&msp->legacy, 0, sizeof(msp->legacy));
-+ msp->legacy.r = msp->ratelist;
-+ msp->legacy.sample_table = msp->sample_table;
-+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
- }
-
- static void
+@@ -737,6 +738,7 @@ irqreturn_t ath_isr(int irq, void *dev)
+ {
+ #define SCHED_INTR ( \
+ ATH9K_INT_FATAL | \
++ ATH9K_INT_BB_WATCHDOG | \
+ ATH9K_INT_RXORN | \
+ ATH9K_INT_RXEOL | \
+ ATH9K_INT_RX | \