45 files changed, 346 insertions, 209 deletions

diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index 8aa20df55e50..507d9a9ee69a 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = {
         AR5523_DEVICE_UG(0x07d1, 0x3a07),       /* D-Link / WUA-2340 rev A1 */
         AR5523_DEVICE_UG(0x1690, 0x0712),       /* Gigaset / AR5523 */
         AR5523_DEVICE_UG(0x1690, 0x0710),       /* Gigaset / SMCWUSBTG */
-        AR5523_DEVICE_UG(0x129b, 0x160c),       /* Gigaset / USB stick 108
+        AR5523_DEVICE_UG(0x129b, 0x160b),       /* Gigaset / USB stick 108
                                                    (CyberTAN Technology) */
         AR5523_DEVICE_UG(0x16ab, 0x7801),       /* Globalsun / AR5523_1 */
         AR5523_DEVICE_UX(0x16ab, 0x7811),       /* Globalsun / AR5523_2 */
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index d6bc7cb61bfb..1a2973b7acf2 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -110,7 +110,7 @@ ath5k_hw_radio_revision(struct ath5k_hw *ah, enum ieee80211_band band)
                 ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
 
         if (ah->ah_version == AR5K_AR5210) {
-                srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
+                srev = (ath5k_hw_reg_read(ah, AR5K_PHY(256)) >> 28) & 0xf;
                 ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
         } else {
                 srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 25243cbc07f0..b8daff78b9d1 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -5065,6 +5065,10 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep,
                         break;
                 }
         }
+
+        if (is2GHz && !twiceMaxEdgePower)
+                twiceMaxEdgePower = 60;
+
         return twiceMaxEdgePower;
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
index 1cc13569b17b..1b6b4d0cfa97 100644
--- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
@@ -57,7 +57,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = {
         {0x00009e14, 0x37b95d5e, 0x37b9605e, 0x3236605e, 0x32365a5e},
         {0x00009e18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
         {0x00009e1c, 0x0001cf9c, 0x0001cf9c, 0x00021f9c, 0x00021f9c},
-        {0x00009e20, 0x000003b5, 0x000003b5, 0x000003ce, 0x000003ce},
+        {0x00009e20, 0x000003a5, 0x000003a5, 0x000003a5, 0x000003a5},
         {0x00009e2c, 0x0000001c, 0x0000001c, 0x00000021, 0x00000021},
         {0x00009e3c, 0xcf946220, 0xcf946220, 0xcfd5c782, 0xcfd5c282},
         {0x00009e44, 0x62321e27, 0x62321e27, 0xfe291e27, 0xfe291e27},
@@ -96,7 +96,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = {
         {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x00100000},
         {0x0000ae18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
         {0x0000ae1c, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c},
-        {0x0000ae20, 0x000001b5, 0x000001b5, 0x000001ce, 0x000001ce},
+        {0x0000ae20, 0x000001a6, 0x000001a6, 0x000001aa, 0x000001aa},
         {0x0000b284, 0x00000000, 0x00000000, 0x00000550, 0x00000550},
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 58da3468d1f0..99a203174f45 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -262,6 +262,8 @@ enum tid_aggr_state {
 struct ath9k_htc_sta {
         u8 index;
         enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
+        struct work_struct rc_update_work;
+        struct ath9k_htc_priv *htc_priv;
 };
 
 #define ATH9K_HTC_RXBUF 256
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index f4e1de20d99c..c57d6b859c04 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable;
 module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
 MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
 
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
 #define CHAN2G(_freq, _idx)  { \
         .center_freq = (_freq), \
         .hw_value = (_idx), \
@@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
                 IEEE80211_HW_SPECTRUM_MGMT |
                 IEEE80211_HW_HAS_RATE_CONTROL |
                 IEEE80211_HW_RX_INCLUDES_FCS |
-                IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
                 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
                 IEEE80211_HW_MFP_CAPABLE |
                 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
 
+        if (ath9k_ps_enable)
+                hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
         hw->wiphy->interface_modes =
                 BIT(NL80211_IFTYPE_STATION) |
                 BIT(NL80211_IFTYPE_ADHOC) |
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 608d739d1378..c9254a61ca52 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1270,18 +1270,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
         mutex_unlock(&priv->mutex);
 }
 
+static void ath9k_htc_sta_rc_update_work(struct work_struct *work)
+{
+        struct ath9k_htc_sta *ista =
+            container_of(work, struct ath9k_htc_sta, rc_update_work);
+        struct ieee80211_sta *sta =
+            container_of((void *)ista, struct ieee80211_sta, drv_priv);
+        struct ath9k_htc_priv *priv = ista->htc_priv;
+        struct ath_common *common = ath9k_hw_common(priv->ah);
+        struct ath9k_htc_target_rate trate;
+
+        mutex_lock(&priv->mutex);
+        ath9k_htc_ps_wakeup(priv);
+
+        memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
+        ath9k_htc_setup_rate(priv, sta, &trate);
+        if (!ath9k_htc_send_rate_cmd(priv, &trate))
+                ath_dbg(common, CONFIG,
+                        "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
+                        sta->addr, be32_to_cpu(trate.capflags));
+        else
+                ath_dbg(common, CONFIG,
+                        "Unable to update supported rates for sta: %pM\n",
+                        sta->addr);
+
+        ath9k_htc_ps_restore(priv);
+        mutex_unlock(&priv->mutex);
+}
+
 static int ath9k_htc_sta_add(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif,
                              struct ieee80211_sta *sta)
 {
         struct ath9k_htc_priv *priv = hw->priv;
+        struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
         int ret;
 
         mutex_lock(&priv->mutex);
         ath9k_htc_ps_wakeup(priv);
         ret = ath9k_htc_add_station(priv, vif, sta);
-        if (!ret)
+        if (!ret) {
+                INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work);
+                ista->htc_priv = priv;
                 ath9k_htc_init_rate(priv, sta);
+        }
         ath9k_htc_ps_restore(priv);
         mutex_unlock(&priv->mutex);
 
@@ -1293,12 +1325,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
                                 struct ieee80211_sta *sta)
 {
         struct ath9k_htc_priv *priv = hw->priv;
-        struct ath9k_htc_sta *ista;
+        struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
         int ret;
 
+        cancel_work_sync(&ista->rc_update_work);
+
         mutex_lock(&priv->mutex);
         ath9k_htc_ps_wakeup(priv);
-        ista = (struct ath9k_htc_sta *) sta->drv_priv;
         htc_sta_drain(priv->htc, ista->index);
         ret = ath9k_htc_remove_station(priv, vif, sta);
         ath9k_htc_ps_restore(priv);
@@ -1311,28 +1344,12 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
                                     struct ieee80211_vif *vif,
                                     struct ieee80211_sta *sta, u32 changed)
 {
-        struct ath9k_htc_priv *priv = hw->priv;
-        struct ath_common *common = ath9k_hw_common(priv->ah);
-        struct ath9k_htc_target_rate trate;
-
-        mutex_lock(&priv->mutex);
-        ath9k_htc_ps_wakeup(priv);
+        struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
 
-        if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
-                memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
-                ath9k_htc_setup_rate(priv, sta, &trate);
-                if (!ath9k_htc_send_rate_cmd(priv, &trate))
-                        ath_dbg(common, CONFIG,
-                                "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
-                                sta->addr, be32_to_cpu(trate.capflags));
-                else
-                        ath_dbg(common, CONFIG,
-                                "Unable to update supported rates for sta: %pM\n",
-                                sta->addr);
-        }
+        if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
+                return;
 
-        ath9k_htc_ps_restore(priv);
-        mutex_unlock(&priv->mutex);
+        schedule_work(&ista->rc_update_work);
 }
 
 static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index fbf43c05713f..9078a6c5a74e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1316,7 +1316,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
         if (AR_SREV_9300_20_OR_LATER(ah))
                 udelay(50);
         else if (AR_SREV_9100(ah))
-                udelay(10000);
+                mdelay(10);
         else
                 udelay(100);
 
@@ -1534,7 +1534,7 @@ EXPORT_SYMBOL(ath9k_hw_check_nav);
 bool ath9k_hw_check_alive(struct ath_hw *ah)
 {
         int count = 50;
-        u32 reg;
+        u32 reg, last_val;
 
         if (AR_SREV_9300(ah))
                 return !ath9k_hw_detect_mac_hang(ah);
@@ -1542,9 +1542,14 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
         if (AR_SREV_9285_12_OR_LATER(ah))
                 return true;
 
+        last_val = REG_READ(ah, AR_OBS_BUS_1);
         do {
                 reg = REG_READ(ah, AR_OBS_BUS_1);
+                if (reg != last_val)
+                        return true;
 
+                udelay(1);
+                last_val = reg;
                 if ((reg & 0x7E7FFFEF) == 0x00702400)
                         continue;
 
@@ -2051,9 +2056,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah)
 
         REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
                     AR_RTC_FORCE_WAKE_EN);
-
         if (AR_SREV_9100(ah))
-                udelay(10000);
+                mdelay(10);
         else
                 udelay(50);
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index c36de303c8f3..1fc2e5a26b52 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity;
 module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444);
 MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity");
 
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
 bool is_ath9k_unloaded;
 /* We use the hw_value as an index into our private channel structure */
 
@@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
         hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
                 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
                 IEEE80211_HW_SIGNAL_DBM |
-                IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
                 IEEE80211_HW_SPECTRUM_MGMT |
                 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
                 IEEE80211_HW_SUPPORTS_RC_TABLE |
                 IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
 
+        if (ath9k_ps_enable)
+                hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
                 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a0ebdd000fc2..82e340d3ec60 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -732,11 +732,18 @@ static struct ath_rxbuf *ath_get_next_rx_buf(struct ath_softc *sc,
                         return NULL;
 
                 /*
-                 * mark descriptor as zero-length and set the 'more'
-                 * flag to ensure that both buffers get discarded
+                 * Re-check previous descriptor, in case it has been filled
+                 * in the mean time.
                  */
-                rs->rs_datalen = 0;
-                rs->rs_more = true;
+                ret = ath9k_hw_rxprocdesc(ah, ds, rs);
+                if (ret == -EINPROGRESS) {
+                        /*
+                         * mark descriptor as zero-length and set the 'more'
+                         * flag to ensure that both buffers get discarded
+                         */
+                        rs->rs_datalen = 0;
+                        rs->rs_more = true;
+                }
         }
 
         list_del(&bf->list);
@@ -985,32 +992,32 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
         struct ath_common *common = ath9k_hw_common(ah);
         struct ieee80211_hdr *hdr;
         bool discard_current = sc->rx.discard_next;
-        int ret = 0;
 
         /*
          * Discard corrupt descriptors which are marked in
          * ath_get_next_rx_buf().
          */
-        sc->rx.discard_next = rx_stats->rs_more;
         if (discard_current)
-                return -EINVAL;
+                goto corrupt;
+
+        sc->rx.discard_next = false;
 
         /*
          * Discard zero-length packets.
          */
         if (!rx_stats->rs_datalen) {
                 RX_STAT_INC(rx_len_err);
-                return -EINVAL;
+                goto corrupt;
         }
 
-        /*
-         * rs_status follows rs_datalen so if rs_datalen is too large
-         * we can take a hint that hardware corrupted it, so ignore
-         * those frames.
-         */
+        /*
+         * rs_status follows rs_datalen so if rs_datalen is too large
+         * we can take a hint that hardware corrupted it, so ignore
+         * those frames.
+         */
         if (rx_stats->rs_datalen > (common->rx_bufsize - ah->caps.rx_status_len)) {
                 RX_STAT_INC(rx_len_err);
-                return -EINVAL;
+                goto corrupt;
         }
 
         /* Only use status info from the last fragment */
@@ -1024,10 +1031,8 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
          * This is different from the other corrupt descriptor
          * condition handled above.
          */
-        if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC) {
-                ret = -EINVAL;
-                goto exit;
-        }
+        if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC)
+                goto corrupt;
 
         hdr = (struct ieee80211_hdr *) (skb->data + ah->caps.rx_status_len);
 
@@ -1043,18 +1048,15 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
                 if (ath_process_fft(sc, hdr, rx_stats, rx_status->mactime))
                         RX_STAT_INC(rx_spectral);
 
-                ret = -EINVAL;
-                goto exit;
+                return -EINVAL;
         }
 
         /*
          * everything but the rate is checked here, the rate check is done
          * separately to avoid doing two lookups for a rate for each frame.
          */
-        if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error)) {
-                ret = -EINVAL;
-                goto exit;
-        }
+        if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error))
+                return -EINVAL;
 
         if (ath_is_mybeacon(common, hdr)) {
                 RX_STAT_INC(rx_beacons);
@@ -1064,15 +1066,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
         /*
          * This shouldn't happen, but have a safety check anyway.
          */
-        if (WARN_ON(!ah->curchan)) {
-                ret = -EINVAL;
-                goto exit;
-        }
+        if (WARN_ON(!ah->curchan))
+                return -EINVAL;
 
-        if (ath9k_process_rate(common, hw, rx_stats, rx_status)) {
-                ret =-EINVAL;
-                goto exit;
-        }
+        if (ath9k_process_rate(common, hw, rx_stats, rx_status))
+                return -EINVAL;
 
         ath9k_process_rssi(common, hw, rx_stats, rx_status);
 
@@ -1087,9 +1085,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
                 sc->rx.num_pkts++;
 #endif
 
-exit:
-        sc->rx.discard_next = false;
-        return ret;
+        return 0;
+
+corrupt:
+        sc->rx.discard_next = rx_stats->rs_more;
+        return -EINVAL;
 }
 
 static void ath9k_rx_skb_postprocess(struct ath_common *common,
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 0a75e2f68c9d..55897d508a76 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1444,14 +1444,16 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
         for (tidno = 0, tid = &an->tid[tidno];
              tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
 
-                if (!tid->sched)
-                        continue;
-
                 ac = tid->ac;
                 txq = ac->txq;
 
                 ath_txq_lock(sc, txq);
 
+                if (!tid->sched) {
+                        ath_txq_unlock(sc, txq);
+                        continue;
+                }
+
                 buffered = ath_tid_has_buffered(tid);
 
                 tid->sched = false;
@@ -2061,7 +2063,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
 
         ATH_TXBUF_RESET(bf);
 
-        if (tid) {
+        if (tid && ieee80211_is_data_present(hdr->frame_control)) {
                 fragno = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
                 seqno = tid->seq_next;
                 hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT);
@@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
                 txq->stopped = true;
         }
 
+        if (txctl->an && ieee80211_is_data_present(hdr->frame_control))
+                tid = ath_get_skb_tid(sc, txctl->an, skb);
+
         if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) {
                 ath_txq_unlock(sc, txq);
                 txq = sc->tx.uapsdq;
                 ath_txq_lock(sc, txq);
         } else if (txctl->an &&
                    ieee80211_is_data_present(hdr->frame_control)) {
-                tid = ath_get_skb_tid(sc, txctl->an, skb);
-
                 WARN_ON(tid->ac->txq != txctl->txq);
 
                 if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 3e991897d7ca..ddaa9efd053d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -457,7 +457,6 @@ struct brcmf_sdio {
 
         u8 tx_hdrlen;           /* sdio bus header length for tx packet */
         bool txglom;            /* host tx glomming enable flag */
-        struct sk_buff *txglom_sgpad;   /* scatter-gather padding buffer */
         u16 head_align;         /* buffer pointer alignment */
         u16 sgentry_align;      /* scatter-gather buffer alignment */
 };
@@ -1944,19 +1943,21 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus,
         if (lastfrm && chain_pad)
                 tail_pad += blksize - chain_pad;
         if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) {
-                pkt_pad = bus->txglom_sgpad;
-                if (pkt_pad == NULL)
-                          brcmu_pkt_buf_get_skb(tail_pad + tail_chop);
+                pkt_pad = brcmu_pkt_buf_get_skb(tail_pad + tail_chop +
+                                                bus->head_align);
                 if (pkt_pad == NULL)
                         return -ENOMEM;
                 ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad);
-                if (unlikely(ret < 0))
+                if (unlikely(ret < 0)) {
+                        kfree_skb(pkt_pad);
                         return ret;
+                }
                 memcpy(pkt_pad->data,
                        pkt->data + pkt->len - tail_chop,
                        tail_chop);
                 *(u32 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop;
                 skb_trim(pkt, pkt->len - tail_chop);
+                skb_trim(pkt_pad, tail_pad + tail_chop);
                 __skb_queue_after(pktq, pkt, pkt_pad);
         } else {
                 ntail = pkt->data_len + tail_pad -
@@ -2011,7 +2012,7 @@ brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
                         return ret;
                 head_pad = (u16)ret;
                 if (head_pad)
-                        memset(pkt_next->data, 0, head_pad + bus->tx_hdrlen);
+                        memset(pkt_next->data + bus->tx_hdrlen, 0, head_pad);
 
                 total_len += pkt_next->len;
 
@@ -3486,10 +3487,6 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
                 bus->txglom = false;
                 value = 1;
                 pad_size = bus->sdiodev->func[2]->cur_blksize << 1;
-                bus->txglom_sgpad = brcmu_pkt_buf_get_skb(pad_size);
-                if (!bus->txglom_sgpad)
-                        brcmf_err("allocating txglom padding skb failed, reduced performance\n");
-
                 err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom",
                                            &value, sizeof(u32));
                 if (err < 0) {
@@ -4053,7 +4050,6 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
                         brcmf_sdio_chip_detach(&bus->ci);
                 }
 
-                brcmu_pkt_buf_free_skb(bus->txglom_sgpad);
                 kfree(bus->rxbuf);
                 kfree(bus->hdrbuf);
                 kfree(bus);
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index d36e252d2ccb..596525528f50 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -147,7 +147,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
 
         if (!sta->ap && sta->u.sta.challenge)
                 kfree(sta->u.sta.challenge);
-        del_timer(&sta->timer);
+        del_timer_sync(&sta->timer);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
         kfree(sta);
diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c
index aa7ad3a7a69b..4e5c0f8c9496 100644
--- a/drivers/net/wireless/hostap/hostap_proc.c
+++ b/drivers/net/wireless/hostap/hostap_proc.c
@@ -496,7 +496,7 @@ void hostap_init_proc(local_info_t *local)
 
 void hostap_remove_proc(local_info_t *local)
 {
-        remove_proc_subtree(local->ddev->name, hostap_proc);
+        proc_remove(local->proc);
 }
 
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index c24d1d3d55f6..73086c1629ca 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -696,6 +696,24 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
         return ret;
 }
 
+static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
+{
+        if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
+                return false;
+        return true;
+}
+
+static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
+{
+        if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
+                return false;
+        if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
+                return true;
+
+        /* disabled by default */
+        return false;
+}
+
 static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif,
                                    enum ieee80211_ampdu_mlme_action action,
@@ -717,7 +735,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 
         switch (action) {
         case IEEE80211_AMPDU_RX_START:
-                if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
+                if (!iwl_enable_rx_ampdu(priv->cfg))
                         break;
                 IWL_DEBUG_HT(priv, "start Rx\n");
                 ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
@@ -729,7 +747,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
         case IEEE80211_AMPDU_TX_START:
                 if (!priv->trans->ops->txq_enable)
                         break;
-                if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
+                if (!iwl_enable_tx_ampdu(priv->cfg))
                         break;
                 IWL_DEBUG_HT(priv, "start Tx\n");
                 ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index c0d070c5df5e..9cdd91cdf661 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -590,6 +590,7 @@ void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
                         sizeof(priv->tid_data[sta_id][tid]));
 
         priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
+        priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS;
 
         priv->num_stations--;
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index a6839dfcb82d..398dd096674c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1291,8 +1291,6 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
         struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data;
         struct iwl_ht_agg *agg;
         struct sk_buff_head reclaimed_skbs;
-        struct ieee80211_tx_info *info;
-        struct ieee80211_hdr *hdr;
         struct sk_buff *skb;
         int sta_id;
         int tid;
@@ -1379,22 +1377,28 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
         freed = 0;
 
         skb_queue_walk(&reclaimed_skbs, skb) {
-                hdr = (struct ieee80211_hdr *)skb->data;
+                struct ieee80211_hdr *hdr = (void *)skb->data;
+                struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
                 if (ieee80211_is_data_qos(hdr->frame_control))
                         freed++;
                 else
                         WARN_ON_ONCE(1);
 
-                info = IEEE80211_SKB_CB(skb);
                 iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]);
 
+                memset(&info->status, 0, sizeof(info->status));
+                /* Packet was transmitted successfully, failures come as single
+                 * frames because before failing a frame the firmware transmits
+                 * it without aggregation at least once.
+                 */
+                info->flags |= IEEE80211_TX_STAT_ACK;
+
                 if (freed == 1) {
                         /* this is the first skb we deliver in this batch */
                         /* put the rate scaling data there */
                         info = IEEE80211_SKB_CB(skb);
                         memset(&info->status, 0, sizeof(info->status));
-                        info->flags |= IEEE80211_TX_STAT_ACK;
                         info->flags |= IEEE80211_TX_STAT_AMPDU;
                         info->status.ampdu_ack_len = ba_resp->txed_2_done;
                         info->status.ampdu_len = ba_resp->txed;
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index c3728163be46..75103554cd63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -1286,7 +1286,7 @@ module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
 MODULE_PARM_DESC(11n_disable,
-        "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
+        "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
 module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
                    int, S_IRUGO);
 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
diff --git a/drivers/net/wireless/iwlwifi/iwl-modparams.h b/drivers/net/wireless/iwlwifi/iwl-modparams.h
index 0a84ade7edac..b29075c3da8e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-modparams.h
+++ b/drivers/net/wireless/iwlwifi/iwl-modparams.h
@@ -79,9 +79,12 @@ enum iwl_power_level {
         IWL_POWER_NUM
 };
 
-#define IWL_DISABLE_HT_ALL      BIT(0)
-#define IWL_DISABLE_HT_TXAGG    BIT(1)
-#define IWL_DISABLE_HT_RXAGG    BIT(2)
+enum iwl_disable_11n {
+        IWL_DISABLE_HT_ALL       = BIT(0),
+        IWL_DISABLE_HT_TXAGG     = BIT(1),
+        IWL_DISABLE_HT_RXAGG     = BIT(2),
+        IWL_ENABLE_HT_TXAGG      = BIT(3),
+};
 
 /**
  * struct iwl_mod_params
@@ -90,7 +93,7 @@ enum iwl_power_level {
  *
  * @sw_crypto: using hardware encryption, default = 0
  * @disable_11n: disable 11n capabilities, default = 0,
- *      use IWL_DISABLE_HT_* constants
+ *      use IWL_[DIS,EN]ABLE_HT_* constants
  * @amsdu_size_8K: enable 8K amsdu size, default = 0
  * @restart_fw: restart firmware, default = 1
  * @wd_disable: enable stuck queue check, default = 0
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index f06f4cbe1317..725e954d8475 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
 
         for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) {
                 ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
+
+                if (ch_idx >= NUM_2GHZ_CHANNELS &&
+                    !data->sku_cap_band_52GHz_enable)
+                        ch_flags &= ~NVM_CHANNEL_VALID;
+
                 if (!(ch_flags & NVM_CHANNEL_VALID)) {
                         IWL_DEBUG_EEPROM(dev,
                                          "Ch. %d Flags %x [%sGHz] - No traffic\n",
diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
index 76cde6ce6551..18a895a949d4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
@@ -872,8 +872,11 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
         lockdep_assert_held(&mvm->mutex);
 
-        /* Rssi update while not associated ?! */
-        if (WARN_ON_ONCE(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
+        /*
+         * Rssi update while not associated - can happen since the statistics
+         * are handled asynchronously
+         */
+        if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
                 return;
 
         /* No BT - reports should be disabled */
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index 73cbba7424f2..9426905de6b2 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -504,6 +504,7 @@ struct iwl_scan_offload_profile {
  * @match_notify:       clients waiting for match found notification
  * @pass_match:         clients waiting for the results
  * @active_clients:     active clients bitmap - enum scan_framework_client
+ * @any_beacon_notify:  clients waiting for match notification without match
  */
 struct iwl_scan_offload_profile_cfg {
         struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
@@ -512,7 +513,8 @@ struct iwl_scan_offload_profile_cfg {
         u8 match_notify;
         u8 pass_match;
         u8 active_clients;
-        u8 reserved[3];
+        u8 any_beacon_notify;
+        u8 reserved[2];
 } __packed;
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index c49b5073c251..c35b8661b395 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -246,7 +246,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
         else
                 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
-        if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
+        if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
                 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
                 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
                 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
@@ -328,6 +328,24 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
         ieee80211_free_txskb(hw, skb);
 }
 
+static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
+{
+        if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
+                return false;
+        return true;
+}
+
+static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
+{
+        if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
+                return false;
+        if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
+                return true;
+
+        /* enabled by default */
+        return true;
+}
+
 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
                                     struct ieee80211_vif *vif,
                                     enum ieee80211_ampdu_mlme_action action,
@@ -347,7 +365,7 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
 
         switch (action) {
         case IEEE80211_AMPDU_RX_START:
-                if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) {
+                if (!iwl_enable_rx_ampdu(mvm->cfg)) {
                         ret = -EINVAL;
                         break;
                 }
@@ -357,7 +375,7 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
                 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
                 break;
         case IEEE80211_AMPDU_TX_START:
-                if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
+                if (!iwl_enable_tx_ampdu(mvm->cfg)) {
                         ret = -EINVAL;
                         break;
                 }
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index e4ead86f06d6..2b0ba1fc3c82 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -152,7 +152,7 @@ enum iwl_power_scheme {
         IWL_POWER_SCHEME_LP
 };
 
-#define IWL_CONN_MAX_LISTEN_INTERVAL    70
+#define IWL_CONN_MAX_LISTEN_INTERVAL    10
 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 0e0007960612..742afc429c94 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -344,7 +344,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 
         iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0);
 
-        cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL);
+        cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL |
+                                           TX_CMD_FLG_BT_DIS);
         cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id;
         cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
         cmd->tx_cmd.rate_n_flags =
@@ -807,6 +808,8 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
         profile_cfg->active_clients = SCAN_CLIENT_SCHED_SCAN;
         profile_cfg->pass_match = SCAN_CLIENT_SCHED_SCAN;
         profile_cfg->match_notify = SCAN_CLIENT_SCHED_SCAN;
+        if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len)
+                profile_cfg->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN;
 
         for (i = 0; i < req->n_match_sets; i++) {
                 profile = &profile_cfg->profiles[i];
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index ec1812133235..3397f59cd4e4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -652,7 +652,7 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 {
         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
         static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-        static const u8 *baddr = _baddr;
+        const u8 *baddr = _baddr;
 
         lockdep_assert_held(&mvm->mutex);
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 90378c217bc7..76ee486039d7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -659,8 +659,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
         rcu_read_lock();
 
         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
+        /*
+         * sta can't be NULL otherwise it'd mean that the sta has been freed in
+         * the firmware while we still have packets for it in the Tx queues.
+         */
+        if (WARN_ON_ONCE(!sta))
+                goto out;
 
-        if (!IS_ERR_OR_NULL(sta)) {
+        if (!IS_ERR(sta)) {
                 mvmsta = iwl_mvm_sta_from_mac80211(sta);
 
                 if (tid != IWL_TID_NON_QOS) {
@@ -675,7 +681,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
                         spin_unlock_bh(&mvmsta->lock);
                 }
         } else {
-                sta = NULL;
                 mvmsta = NULL;
         }
 
@@ -683,42 +688,38 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
          * If the txq is not an AMPDU queue, there is no chance we freed
          * several skbs. Check that out...
          */
-        if (txq_id < mvm->first_agg_queue && !WARN_ON(skb_freed > 1) &&
-            atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) {
-                if (mvmsta) {
-                        /*
-                         * If there are no pending frames for this STA, notify
-                         * mac80211 that this station can go to sleep in its
-                         * STA table.
-                         */
-                        if (mvmsta->vif->type == NL80211_IFTYPE_AP)
-                                ieee80211_sta_block_awake(mvm->hw, sta, false);
-                        /*
-                         * We might very well have taken mvmsta pointer while
-                         * the station was being removed. The remove flow might
-                         * have seen a pending_frame (because we didn't take
-                         * the lock) even if now the queues are drained. So make
-                         * really sure now that this the station is not being
-                         * removed. If it is, run the drain worker to remove it.
-                         */
-                        spin_lock_bh(&mvmsta->lock);
-                        sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
-                        if (!sta || PTR_ERR(sta) == -EBUSY) {
-                                /*
-                                 * Station disappeared in the meantime:
-                                 * so we are draining.
-                                 */
-                                set_bit(sta_id, mvm->sta_drained);
-                                schedule_work(&mvm->sta_drained_wk);
-                        }
-                        spin_unlock_bh(&mvmsta->lock);
-                } else if (!mvmsta && PTR_ERR(sta) == -EBUSY) {
-                        /* Tx response without STA, so we are draining */
-                        set_bit(sta_id, mvm->sta_drained);
-                        schedule_work(&mvm->sta_drained_wk);
-                }
+        if (txq_id >= mvm->first_agg_queue)
+                goto out;
+
+        /* We can't free more than one frame at once on a shared queue */
+        WARN_ON(skb_freed > 1);
+
+        /* If we have still frames from this STA nothing to do here */
+        if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id]))
+                goto out;
+
+        if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) {
+                /*
+                 * If there are no pending frames for this STA, notify
+                 * mac80211 that this station can go to sleep in its
+                 * STA table.
+                 * If mvmsta is not NULL, sta is valid.
+                 */
+                ieee80211_sta_block_awake(mvm->hw, sta, false);
         }
 
+        if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) {
+                /*
+                 * We are draining and this was the last packet - pre_rcu_remove
+                 * has been called already. We might be after the
+                 * synchronize_net already.
+                 * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues.
+                 */
+                set_bit(sta_id, mvm->sta_drained);
+                schedule_work(&mvm->sta_drained_wk);
+        }
+
+out:
         rcu_read_unlock();
 }
 
@@ -821,16 +822,12 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
         struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data;
         struct sk_buff_head reclaimed_skbs;
         struct iwl_mvm_tid_data *tid_data;
-        struct ieee80211_tx_info *info;
         struct ieee80211_sta *sta;
         struct iwl_mvm_sta *mvmsta;
-        struct ieee80211_hdr *hdr;
         struct sk_buff *skb;
         int sta_id, tid, freed;
-
         /* "flow" corresponds to Tx queue */
         u16 scd_flow = le16_to_cpu(ba_notif->scd_flow);
-
         /* "ssn" is start of block-ack Tx window, corresponds to index
          * (in Tx queue's circular buffer) of first TFD/frame in window */
         u16 ba_resp_scd_ssn = le16_to_cpu(ba_notif->scd_ssn);
@@ -887,22 +884,26 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
         freed = 0;
 
         skb_queue_walk(&reclaimed_skbs, skb) {
-                hdr = (struct ieee80211_hdr *)skb->data;
+                struct ieee80211_hdr *hdr = (void *)skb->data;
+                struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
                 if (ieee80211_is_data_qos(hdr->frame_control))
                         freed++;
                 else
                         WARN_ON_ONCE(1);
 
-                info = IEEE80211_SKB_CB(skb);
                 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
 
+                memset(&info->status, 0, sizeof(info->status));
+                /* Packet was transmitted successfully, failures come as single
+                 * frames because before failing a frame the firmware transmits
+                 * it without aggregation at least once.
+                 */
+                info->flags |= IEEE80211_TX_STAT_ACK;
+
                 if (freed == 1) {
                         /* this is the first skb we deliver in this batch */
                         /* put the rate scaling data there */
-                        info = IEEE80211_SKB_CB(skb);
-                        memset(&info->status, 0, sizeof(info->status));
-                        info->flags |= IEEE80211_TX_STAT_ACK;
                         info->flags |= IEEE80211_TX_STAT_AMPDU;
                         info->status.ampdu_ack_len = ba_notif->txed_2_done;
                         info->status.ampdu_len = ba_notif->txed;
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index a4a5e25623c3..86989df69356 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
                         mvm->status, table.valid);
         }
 
+        IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
+
         trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
                                       table.data1, table.data2, table.data3,
                                       table.blink1, table.blink2, table.ilink1,
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 3040924f5f3c..3872ead75488 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -359,20 +359,24 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 /* 7265 Series */
         {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)},
+        {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)},
-        {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)},
+        {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_n_cfg)},
         {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)},
-        {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)},
+        {IWL_PCI_DEVICE(0x095A, 0x5412, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)},
+        {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)},
         {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)},
         {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)},
+        {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)},
+        {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)},
         {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)},
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 32f75007a825..cb6d189bc3e6 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -621,7 +621,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                         id = *pos++;
                         elen = *pos++;
                         left -= 2;
-                        if (elen > left || elen == 0) {
+                        if (elen > left) {
                                 lbs_deb_scan("scan response: invalid IE fmt\n");
                                 goto done;
                         }
diff --git a/drivers/net/wireless/mwifiex/11ac.c b/drivers/net/wireless/mwifiex/11ac.c
index 5e0eec4d71c7..5d9a8084665d 100644
--- a/drivers/net/wireless/mwifiex/11ac.c
+++ b/drivers/net/wireless/mwifiex/11ac.c
@@ -189,8 +189,7 @@ int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv,
                 vht_cap->header.len  =
                                 cpu_to_le16(sizeof(struct ieee80211_vht_cap));
                 memcpy((u8 *)vht_cap + sizeof(struct mwifiex_ie_types_header),
-                       (u8 *)bss_desc->bcn_vht_cap +
-                       sizeof(struct ieee_types_header),
+                       (u8 *)bss_desc->bcn_vht_cap,
                        le16_to_cpu(vht_cap->header.len));
 
                 mwifiex_fill_vht_cap_tlv(priv, vht_cap, bss_desc->bss_band);
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 6261f8c53d44..7db1a89fdd95 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -308,8 +308,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
                 ht_cap->header.len =
                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
                 memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header),
-                       (u8 *) bss_desc->bcn_ht_cap +
-                       sizeof(struct ieee_types_header),
+                       (u8 *)bss_desc->bcn_ht_cap,
                        le16_to_cpu(ht_cap->header.len));
 
                 mwifiex_fill_cap_info(priv, radio_type, ht_cap);
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 4d79761b9c87..9d3d2758ec35 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -748,7 +748,7 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev)
 
 static u16
 mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb,
-                                void *accel_priv)
+                                void *accel_priv, select_queue_fallback_t fallback)
 {
         skb->priority = cfg80211_classify8021d(skb, NULL);
         return mwifiex_1d_to_wmm_queue[skb->priority];
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 03688aa14e8a..7fe7b53fb17a 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1211,6 +1211,12 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
                 rd_index = card->rxbd_rdptr & reg->rx_mask;
                 skb_data = card->rx_buf_list[rd_index];
 
+                /* If skb allocation was failed earlier for Rx packet,
+                 * rx_buf_list[rd_index] would have been left with a NULL.
+                 */
+                if (!skb_data)
+                        return -ENOMEM;
+
                 MWIFIEX_SKB_PACB(skb_data, &buf_pa);
                 pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE,
                                  PCI_DMA_FROMDEVICE);
@@ -1525,6 +1531,14 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
                 if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
                         mwifiex_process_sleep_confirm_resp(adapter, skb->data,
                                                            skb->len);
+                        mwifiex_pcie_enable_host_int(adapter);
+                        if (mwifiex_write_reg(adapter,
+                                              PCIE_CPU_INT_EVENT,
+                                              CPU_INTR_SLEEP_CFM_DONE)) {
+                                dev_warn(adapter->dev,
+                                         "Write register failed\n");
+                                return -1;
+                        }
                         while (reg->sleep_cookie && (count++ < 10) &&
                                mwifiex_pcie_ok_to_access_hw(adapter))
                                 usleep_range(50, 60);
@@ -1993,23 +2007,9 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
                 adapter->int_status |= pcie_ireg;
                 spin_unlock_irqrestore(&adapter->int_lock, flags);
 
-                if (pcie_ireg & HOST_INTR_CMD_DONE) {
-                        if ((adapter->ps_state == PS_STATE_SLEEP_CFM) ||
-                            (adapter->ps_state == PS_STATE_SLEEP)) {
-                                mwifiex_pcie_enable_host_int(adapter);
-                                if (mwifiex_write_reg(adapter,
-                                                      PCIE_CPU_INT_EVENT,
-                                                      CPU_INTR_SLEEP_CFM_DONE)
-                                                      ) {
-                                        dev_warn(adapter->dev,
-                                                 "Write register failed\n");
-                                        return;
-
-                                }
-                        }
-                } else if (!adapter->pps_uapsd_mode &&
-                           adapter->ps_state == PS_STATE_SLEEP &&
-                           mwifiex_pcie_ok_to_access_hw(adapter)) {
+                if (!adapter->pps_uapsd_mode &&
+                    adapter->ps_state == PS_STATE_SLEEP &&
+                    mwifiex_pcie_ok_to_access_hw(adapter)) {
                                 /* Potentially for PCIe we could get other
                                  * interrupts like shared. Don't change power
                                  * state until cookie is set */
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 0a8a26e10f01..668547c2de84 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -2101,12 +2101,12 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
                          curr_bss->ht_info_offset);
 
         if (curr_bss->bcn_vht_cap)
-                curr_bss->bcn_ht_cap = (void *)(curr_bss->beacon_buf +
-                                                curr_bss->vht_cap_offset);
+                curr_bss->bcn_vht_cap = (void *)(curr_bss->beacon_buf +
+                                                 curr_bss->vht_cap_offset);
 
         if (curr_bss->bcn_vht_oper)
-                curr_bss->bcn_ht_oper = (void *)(curr_bss->beacon_buf +
-                                                 curr_bss->vht_info_offset);
+                curr_bss->bcn_vht_oper = (void *)(curr_bss->beacon_buf +
+                                                  curr_bss->vht_info_offset);
 
         if (curr_bss->bcn_bss_co_2040)
                 curr_bss->bcn_bss_co_2040 =
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index e8ebbd4bc3cd..208748804a55 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -22,8 +22,6 @@
 
 #define USB_VERSION     "1.0"
 
-static const char usbdriver_name[] = "usb8xxx";
-
 static struct mwifiex_if_ops usb_ops;
 static struct semaphore add_remove_card_sem;
 static struct usb_card_rec *usb_card;
@@ -527,13 +525,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf)
                                                    MWIFIEX_BSS_ROLE_ANY),
                                   MWIFIEX_ASYNC_CMD);
 
-#ifdef CONFIG_PM
-        /* Resume handler may be called due to remote wakeup,
-         * force to exit suspend anyway
-         */
-        usb_disable_autosuspend(card->udev);
-#endif /* CONFIG_PM */
-
         return 0;
 }
 
@@ -567,13 +558,12 @@ static void mwifiex_usb_disconnect(struct usb_interface *intf)
 }
 
 static struct usb_driver mwifiex_usb_driver = {
-        .name = usbdriver_name,
+        .name = "mwifiex_usb",
         .probe = mwifiex_usb_probe,
         .disconnect = mwifiex_usb_disconnect,
         .id_table = mwifiex_usb_table,
         .suspend = mwifiex_usb_suspend,
         .resume = mwifiex_usb_resume,
-        .supports_autosuspend = 1,
 };
 
 static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter)
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 13eaeed03898..981cf6e7c73b 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_private *priv)
         mwifiex_wmm_delete_all_ralist(priv);
         memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid));
 
-        if (priv->adapter->if_ops.clean_pcie_ring)
+        if (priv->adapter->if_ops.clean_pcie_ring &&
+            !priv->adapter->surprise_removed)
                 priv->adapter->if_ops.clean_pcie_ring(priv->adapter);
         spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
 }
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index abc5f56f29fe..2f1cd929c6f6 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1877,6 +1877,11 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                                                    EEPROM_MAC_ADDR_0));
 
         /*
+         * Disable powersaving as default.
+         */
+        rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
+        /*
          * Initialize hw_mode information.
          */
         spec->supported_bands = SUPPORT_BAND_2GHZ;
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 9f16824cd1bc..d849d590de25 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1706,6 +1706,11 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
             IEEE80211_HW_SUPPORTS_PS |
             IEEE80211_HW_PS_NULLFUNC_STACK;
 
+        /*
+         * Disable powersaving as default.
+         */
+        rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
                                 rt2x00_eeprom_addr(rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index b8f5b06006c4..41d4a8167dc3 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -5460,14 +5460,15 @@ static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
 
         rt2800_bbp_write(rt2x00dev, 68, 0x0b);
 
-        rt2800_bbp_write(rt2x00dev, 69, 0x0d);
-        rt2800_bbp_write(rt2x00dev, 70, 0x06);
+        rt2800_bbp_write(rt2x00dev, 69, 0x12);
         rt2800_bbp_write(rt2x00dev, 73, 0x13);
         rt2800_bbp_write(rt2x00dev, 75, 0x46);
         rt2800_bbp_write(rt2x00dev, 76, 0x28);
 
         rt2800_bbp_write(rt2x00dev, 77, 0x59);
 
+        rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+
         rt2800_bbp_write(rt2x00dev, 79, 0x13);
         rt2800_bbp_write(rt2x00dev, 80, 0x05);
         rt2800_bbp_write(rt2x00dev, 81, 0x33);
@@ -5510,7 +5511,6 @@ static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
         if (rt2x00_rt(rt2x00dev, RT5392)) {
                 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
                 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
-                rt2800_bbp_write(rt2x00dev, 148, 0x84);
         }
 
         rt2800_disable_unused_dac_adc(rt2x00dev);
@@ -7458,10 +7458,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
         u32 reg;
 
         /*
-         * Disable powersaving as default on PCI devices.
+         * Disable powersaving as default.
          */
-        if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
-                rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+        rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
         /*
          * Initialize all hw fields.
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 8ec17aad0e52..3867d1470b36 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -107,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
         struct rtl8180_priv *priv = dev->priv;
         unsigned int count = 32;
         u8 signal, agc, sq;
+        dma_addr_t mapping;
 
         while (count--) {
                 struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx];
@@ -128,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
                         if (unlikely(!new_skb))
                                 goto done;
 
+                        mapping = pci_map_single(priv->pdev,
+                                               skb_tail_pointer(new_skb),
+                                               MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+
+                        if (pci_dma_mapping_error(priv->pdev, mapping)) {
+                                kfree_skb(new_skb);
+                                dev_err(&priv->pdev->dev, "RX DMA map error\n");
+
+                                goto done;
+                        }
+
                         pci_unmap_single(priv->pdev,
                                          *((dma_addr_t *)skb->cb),
                                          MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
@@ -158,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
 
                         skb = new_skb;
                         priv->rx_buf[priv->rx_idx] = skb;
-                        *((dma_addr_t *) skb->cb) =
-                                pci_map_single(priv->pdev, skb_tail_pointer(skb),
-                                               MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+                        *((dma_addr_t *) skb->cb) = mapping;
                 }
 
         done:
@@ -266,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
         mapping = pci_map_single(priv->pdev, skb->data,
                                  skb->len, PCI_DMA_TODEVICE);
 
+        if (pci_dma_mapping_error(priv->pdev, mapping)) {
+                kfree_skb(skb);
+                dev_err(&priv->pdev->dev, "TX DMA mapping error\n");
+                return;
+
+        }
+
         tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS |
                    RTL818X_TX_DESC_FLAG_LS |
                    (ieee80211_get_tx_rate(dev, info)->hw_value << 24) |
diff --git a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
index 56aee067f324..a6ad79f61bf9 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
+++ b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
@@ -15,6 +15,8 @@
 #ifndef RTL8187_H
 #define RTL8187_H
 
+#include <linux/cache.h>
+
 #include "rtl818x.h"
 #include "leds.h"
 
@@ -139,7 +141,10 @@ struct rtl8187_priv {
         u8 aifsn[4];
         u8 rfkill_mask;
         struct {
-                __le64 buf;
+                union {
+                        __le64 buf;
+                        u8 dummy1[L1_CACHE_BYTES];
+                } ____cacheline_aligned;
                 struct sk_buff_head queue;
         } b_tx_status; /* This queue is used by both -b and non-b devices */
         struct mutex io_mutex;
@@ -147,7 +152,8 @@ struct rtl8187_priv {
                 u8 bits8;
                 __le16 bits16;
                 __le32 bits32;
-        } *io_dmabuf;
+                u8 dummy2[L1_CACHE_BYTES];
+        } *io_dmabuf ____cacheline_aligned;
         bool rfkill_off;
         u16 seqno;
 };
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index deedae3c5449..d1c0191a195b 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -48,7 +48,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw)
 
         /*<2> Enable Adapter */
         if (rtlpriv->cfg->ops->hw_init(hw))
-                return 1;
+                return false;
         RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
 
         /*<3> Enable Interrupt */
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
index a82b30a1996c..2eb0b38384dd 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -937,14 +937,26 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw)
         bool is92c;
         int err;
         u8 tmp_u1b;
+        unsigned long flags;
 
         rtlpci->being_init_adapter = true;
+
+        /* Since this function can take a very long time (up to 350 ms)
+         * and can be called with irqs disabled, reenable the irqs
+         * to let the other devices continue being serviced.
+         *
+         * It is safe doing so since our own interrupts will only be enabled
+         * in a subsequent step.
+         */
+        local_save_flags(flags);
+        local_irq_enable();
+
         rtlpriv->intf_ops->disable_aspm(hw);
         rtstatus = _rtl92ce_init_mac(hw);
         if (!rtstatus) {
                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n");
                 err = 1;
-                return err;
+                goto exit;
         }
 
         err = rtl92c_download_fw(hw);
@@ -952,7 +964,7 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw)
                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
                          "Failed to download FW. Init HW without FW now..\n");
                 err = 1;
-                return err;
+                goto exit;
         }
 
         rtlhal->last_hmeboxnum = 0;
@@ -1032,6 +1044,8 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw)
                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n");
         }
         rtl92c_dm_init(hw);
+exit:
+        local_irq_restore(flags);
         rtlpci->being_init_adapter = false;
         return err;
 }
diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
index 123c4bb50e0a..cde0eaf99714 100644
--- a/drivers/net/wireless/ti/wl1251/rx.c
+++ b/drivers/net/wireless/ti/wl1251/rx.c
@@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
         wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
 
         /* The actual length doesn't include the target's alignment */
-        skb->len = desc->length  - PLCP_HEADER_LENGTH;
+        skb_trim(skb, desc->length - PLCP_HEADER_LENGTH);
 
         fc = (u16 *)skb->data;