ath9k: correct a logic error in the rx path fix
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
index 245a5db1c92d7ad791e83b4267b08a0885bcde32..b47878b180d1903315e86981a417b8b1e20d4d8d 100644 (file)
@@ -1,41 +1,6 @@
---- a/drivers/net/wireless/ath/ath5k/base.c
-+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -2417,6 +2417,22 @@ ath5k_tx_complete_poll_work(struct work_
- * Initialization routines *
- \*************************/
-+static const struct ieee80211_iface_limit if_limits[] = {
-+      { .max = 2048,  .types = BIT(NL80211_IFTYPE_STATION) },
-+      { .max = 4,     .types =
-+#ifdef CONFIG_MAC80211_MESH
-+                               BIT(NL80211_IFTYPE_MESH_POINT) |
-+#endif
-+                               BIT(NL80211_IFTYPE_AP) },
-+};
-+
-+static const struct ieee80211_iface_combination if_comb = {
-+      .limits = if_limits,
-+      .n_limits = ARRAY_SIZE(if_limits),
-+      .max_interfaces = 2048,
-+      .num_different_channels = 1,
-+};
-+
- int __devinit
- ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops)
- {
-@@ -2438,6 +2454,9 @@ ath5k_init_ah(struct ath5k_hw *ah, const
-               BIT(NL80211_IFTYPE_ADHOC) |
-               BIT(NL80211_IFTYPE_MESH_POINT);
-+      hw->wiphy->iface_combinations = &if_comb;
-+      hw->wiphy->n_iface_combinations = 1;
-+
-       /* SW support for IBSS_RSN is provided by mac80211 */
-       hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -200,6 +200,8 @@ static void ieee80211_send_addba_resp(st
+@@ -203,6 +203,8 @@ static void ieee80211_send_addba_resp(st
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
                memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
@@ -56,7 +21,7 @@
                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -490,6 +491,7 @@ int ieee80211_start_tx_ba_session(struct
+@@ -520,6 +521,7 @@ int ieee80211_start_tx_ba_session(struct
            sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
            sdata->vif.type != NL80211_IFTYPE_AP &&
@@ -66,7 +31,7 @@
  
 --- a/net/mac80211/debugfs_sta.c
 +++ b/net/mac80211/debugfs_sta.c
-@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+@@ -65,11 +65,11 @@ static ssize_t sta_flags_read(struct fil
        test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
  
        int res = scnprintf(buf, sizeof(buf),
                            TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -284,7 +284,6 @@ static int ieee80211_do_open(struct net_
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+@@ -501,7 +501,6 @@ int ieee80211_do_open(struct wireless_de
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+       struct net_device *dev = wdev->netdev;
        struct ieee80211_local *local = sdata->local;
 -      struct sta_info *sta;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -430,28 +429,6 @@ static int ieee80211_do_open(struct net_
+@@ -658,30 +657,8 @@ int ieee80211_do_open(struct wireless_de
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
 -              }
 -
 -              rate_control_rate_init(sta);
+-              netif_carrier_on(dev);
+-      } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++      if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+               rcu_assign_pointer(local->p2p_sdata, sdata);
 -      }
--
        /*
         * set_multicast_list will be invoked by the networking core
-        * which will check whether any increments here were done in
-@@ -848,6 +825,72 @@ static void ieee80211_if_setup(struct ne
+@@ -1066,6 +1043,72 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -952,6 +995,9 @@ static void ieee80211_iface_work(struct 
+@@ -1170,6 +1213,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                        break;
 --- a/net/mac80211/rx.c
 +++ b/net/mac80211/rx.c
-@@ -2284,6 +2284,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2350,6 +2350,7 @@ ieee80211_rx_h_action(struct ieee80211_r
                    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
                    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
                    sdata->vif.type != NL80211_IFTYPE_AP &&
                    sdata->vif.type != NL80211_IFTYPE_ADHOC)
                        break;
  
-@@ -2498,14 +2499,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2655,14 +2656,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
                break;
        case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
        case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -2839,10 +2841,16 @@ static int prepare_for_handlers(struct i
+@@ -2987,10 +2989,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
 -              if (bssid || !ieee80211_is_data(hdr->frame_control))
 -                      return 0;
-               if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+               if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
                        return 0;
 +
 +              if (ieee80211_is_data(hdr->frame_control) ||
 +                      return 0;
 +
                break;
-       default:
-               /* should never get here */
+       case NL80211_IFTYPE_P2P_DEVICE:
+               if (!ieee80211_is_public_action(hdr, skb->len) &&
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
 @@ -32,7 +32,6 @@
        WLAN_STA_CLEAR_PS_FILT,
        WLAN_STA_MFP,
        WLAN_STA_BLOCK_BA,
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -324,7 +324,6 @@ struct ath_rx {
+ int ath_startrecv(struct ath_softc *sc);
+ bool ath_stoprecv(struct ath_softc *sc);
+-void ath_flushrecv(struct ath_softc *sc);
+ u32 ath_calcrxfilter(struct ath_softc *sc);
+ int ath_rx_init(struct ath_softc *sc, int nbufs);
+ void ath_rx_cleanup(struct ath_softc *sc);
+@@ -641,7 +640,6 @@ void ath_ant_comb_update(struct ath_soft
+ enum sc_op_flags {
+       SC_OP_INVALID,
+       SC_OP_BEACONS,
+-      SC_OP_RXFLUSH,
+       SC_OP_ANI_RUN,
+       SC_OP_PRIM_STA_VIF,
+       SC_OP_HW_RESET,
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_gene
+                                skb->len, DMA_TO_DEVICE);
+               dev_kfree_skb_any(skb);
+               bf->bf_buf_addr = 0;
++              bf->bf_mpdu = NULL;
+       }
+       skb = ieee80211_beacon_get(hw, vif);
+@@ -359,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long 
+               return;
+       bf = ath9k_beacon_generate(sc->hw, vif);
+-      WARN_ON(!bf);
+       if (sc->beacon.bmisscnt != 0) {
+               ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -861,7 +861,6 @@ static ssize_t read_file_recv(struct fil
+       RXS_ERR("RX-LENGTH-ERR", rx_len_err);
+       RXS_ERR("RX-OOM-ERR", rx_oom_err);
+       RXS_ERR("RX-RATE-ERR", rx_rate_err);
+-      RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
+       RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
+       PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
+--- a/drivers/net/wireless/ath/ath9k/debug.h
++++ b/drivers/net/wireless/ath/ath9k/debug.h
+@@ -216,7 +216,6 @@ struct ath_tx_stats {
+  * @rx_oom_err:  No. of frames dropped due to OOM issues.
+  * @rx_rate_err:  No. of frames dropped due to rate errors.
+  * @rx_too_many_frags_err:  Frames dropped due to too-many-frags received.
+- * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
+  * @rx_beacons:  No. of beacons received.
+  * @rx_frags:  No. of rx-fragements received.
+  */
+@@ -235,7 +234,6 @@ struct ath_rx_stats {
+       u32 rx_oom_err;
+       u32 rx_rate_err;
+       u32 rx_too_many_frags_err;
+-      u32 rx_drop_rxflush;
+       u32 rx_beacons;
+       u32 rx_frags;
+ };
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -182,7 +182,7 @@ static void ath_restart_work(struct ath_
+       ath_start_ani(sc);
+ }
+-static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
++static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
+ {
+       struct ath_hw *ah = sc->sc_ah;
+       bool ret = true;
+@@ -196,19 +196,15 @@ static bool ath_prepare_reset(struct ath
+       ath9k_debug_samp_bb_mac(sc);
+       ath9k_hw_disable_interrupts(ah);
++      tasklet_disable(&sc->intr_tq);
++
+       if (!ath_stoprecv(sc))
+               ret = false;
+       if (!ath_drain_all_txq(sc, retry_tx))
+               ret = false;
+-      if (!flush) {
+-              if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+-                      ath_rx_tasklet(sc, 1, true);
+-              ath_rx_tasklet(sc, 1, false);
+-      } else {
+-              ath_flushrecv(sc);
+-      }
++      tasklet_enable(&sc->intr_tq);
+       return ret;
+ }
+@@ -262,7 +258,6 @@ static int ath_reset_internal(struct ath
+       struct ath_common *common = ath9k_hw_common(ah);
+       struct ath9k_hw_cal_data *caldata = NULL;
+       bool fastcc = true;
+-      bool flush = false;
+       int r;
+       __ath_cancel_work(sc);
+@@ -276,11 +271,10 @@ static int ath_reset_internal(struct ath
+       if (!hchan) {
+               fastcc = false;
+-              flush = true;
+               hchan = ah->curchan;
+       }
+-      if (!ath_prepare_reset(sc, retry_tx, flush))
++      if (!ath_prepare_reset(sc, retry_tx))
+               fastcc = false;
+       ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
+@@ -804,7 +798,7 @@ static void ath9k_stop(struct ieee80211_
+               ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+       }
+-      ath_prepare_reset(sc, false, true);
++      ath_prepare_reset(sc, false);
+       if (sc->rx.frag) {
+               dev_kfree_skb_any(sc->rx.frag);
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -280,7 +280,6 @@ int ath_rx_init(struct ath_softc *sc, in
+       spin_lock_init(&sc->sc_pcu_lock);
+       spin_lock_init(&sc->rx.rxbuflock);
+-      clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+       common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
+                            sc->sc_ah->caps.rx_status_len;
+@@ -464,6 +463,13 @@ start_recv:
+       return 0;
+ }
++static void ath_flushrecv(struct ath_softc *sc)
++{
++      if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
++              ath_rx_tasklet(sc, 1, true);
++      ath_rx_tasklet(sc, 1, false);
++}
++
+ bool ath_stoprecv(struct ath_softc *sc)
+ {
+       struct ath_hw *ah = sc->sc_ah;
+@@ -474,6 +480,8 @@ bool ath_stoprecv(struct ath_softc *sc)
+       ath9k_hw_setrxfilter(ah, 0);
+       stopped = ath9k_hw_stopdmarecv(ah, &reset);
++      ath_flushrecv(sc);
++
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+               ath_edma_stop_recv(sc);
+       else
+@@ -490,15 +498,6 @@ bool ath_stoprecv(struct ath_softc *sc)
+       return stopped && !reset;
+ }
+-void ath_flushrecv(struct ath_softc *sc)
+-{
+-      set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+-      if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+-              ath_rx_tasklet(sc, 1, true);
+-      ath_rx_tasklet(sc, 1, false);
+-      clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
+-}
+-
+ static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
+ {
+       /* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
+@@ -735,6 +734,7 @@ static struct ath_buf *ath_get_next_rx_b
+                       return NULL;
+       }
++      list_del(&bf->list);
+       if (!bf->bf_mpdu)
+               return bf;
+@@ -1057,9 +1057,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
+       do {
+               bool decrypt_error = false;
+-              /* If handling rx interrupt and flush is in progress => exit */
+-              if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
+-                      break;
+               memset(&rs, 0, sizeof(rs));
+               if (edma)
+@@ -1102,15 +1099,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
+               ath_debug_stat_rx(sc, &rs);
+-              /*
+-               * If we're asked to flush receive queue, directly
+-               * chain it back at the queue without processing it.
+-               */
+-              if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
+-                      RX_STAT_INC(rx_drop_rxflush);
+-                      goto requeue_drop_frag;
+-              }
+-
+               memset(rxs, 0, sizeof(struct ieee80211_rx_status));
+               rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
+@@ -1245,14 +1233,15 @@ requeue_drop_frag:
+                       sc->rx.frag = NULL;
+               }
+ requeue:
++              list_add_tail(&bf->list, &sc->rx.rxbuf);
++              if (flush)
++                      continue;
++
+               if (edma) {
+-                      list_add_tail(&bf->list, &sc->rx.rxbuf);
+                       ath_rx_edma_buf_link(sc, qtype);
+               } else {
+-                      list_move_tail(&bf->list, &sc->rx.rxbuf);
+                       ath_rx_buf_link(sc, bf);
+-                      if (!flush)
+-                              ath9k_hw_rxena(ah);
++                      ath9k_hw_rxena(ah);
+               }
+       } while (1);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -4586,14 +4586,14 @@ static int ar9003_hw_cal_pier_get(struct
+       return 0;
+ }
+-static int ar9003_hw_power_control_override(struct ath_hw *ah,
+-                                          int frequency,
+-                                          int *correction,
+-                                          int *voltage, int *temperature)
++static void ar9003_hw_power_control_override(struct ath_hw *ah,
++                                           int frequency,
++                                           int *correction,
++                                           int *voltage, int *temperature)
+ {
+-      int tempSlope = 0;
++      int temp_slope = 0, temp_slope1 = 0, temp_slope2 = 0;
+       struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+-      int f[8], t[8], i;
++      int f[8], t[8], t1[3], t2[3], i;
+       REG_RMW(ah, AR_PHY_TPC_11_B0,
+               (correction[0] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
+@@ -4624,38 +4624,108 @@ static int ar9003_hw_power_control_overr
+        * enable temperature compensation
+        * Need to use register names
+        */
+-      if (frequency < 4000)
+-              tempSlope = eep->modalHeader2G.tempSlope;
+-      else if ((eep->baseEepHeader.miscConfiguration & 0x20) != 0) {
+-              for (i = 0; i < 8; i++) {
+-                      t[i] = eep->base_ext1.tempslopextension[i];
+-                      f[i] = FBIN2FREQ(eep->calFreqPier5G[i], 0);
+-              }
+-              tempSlope = ar9003_hw_power_interpolate((s32) frequency,
+-                                                      f, t, 8);
+-      } else if (eep->base_ext2.tempSlopeLow != 0) {
+-              t[0] = eep->base_ext2.tempSlopeLow;
+-              f[0] = 5180;
+-              t[1] = eep->modalHeader5G.tempSlope;
+-              f[1] = 5500;
+-              t[2] = eep->base_ext2.tempSlopeHigh;
+-              f[2] = 5785;
+-              tempSlope = ar9003_hw_power_interpolate((s32) frequency,
+-                                                      f, t, 3);
+-      } else
+-              tempSlope = eep->modalHeader5G.tempSlope;
++      if (frequency < 4000) {
++              temp_slope = eep->modalHeader2G.tempSlope;
++      } else {
++              if (AR_SREV_9550(ah)) {
++                      t[0] = eep->base_ext1.tempslopextension[2];
++                      t1[0] = eep->base_ext1.tempslopextension[3];
++                      t2[0] = eep->base_ext1.tempslopextension[4];
++                      f[0] = 5180;
++
++                      t[1] = eep->modalHeader5G.tempSlope;
++                      t1[1] = eep->base_ext1.tempslopextension[0];
++                      t2[1] = eep->base_ext1.tempslopextension[1];
++                      f[1] = 5500;
++
++                      t[2] = eep->base_ext1.tempslopextension[5];
++                      t1[2] = eep->base_ext1.tempslopextension[6];
++                      t2[2] = eep->base_ext1.tempslopextension[7];
++                      f[2] = 5785;
++
++                      temp_slope = ar9003_hw_power_interpolate(frequency,
++                                                               f, t, 3);
++                      temp_slope1 = ar9003_hw_power_interpolate(frequency,
++                                                                 f, t1, 3);
++                      temp_slope2 = ar9003_hw_power_interpolate(frequency,
++                                                                 f, t2, 3);
++
++                      goto tempslope;
++              }
++
++              if ((eep->baseEepHeader.miscConfiguration & 0x20) != 0) {
++                      for (i = 0; i < 8; i++) {
++                              t[i] = eep->base_ext1.tempslopextension[i];
++                              f[i] = FBIN2FREQ(eep->calFreqPier5G[i], 0);
++                      }
++                      temp_slope = ar9003_hw_power_interpolate((s32) frequency,
++                                                               f, t, 8);
++              } else if (eep->base_ext2.tempSlopeLow != 0) {
++                      t[0] = eep->base_ext2.tempSlopeLow;
++                      f[0] = 5180;
++                      t[1] = eep->modalHeader5G.tempSlope;
++                      f[1] = 5500;
++                      t[2] = eep->base_ext2.tempSlopeHigh;
++                      f[2] = 5785;
++                      temp_slope = ar9003_hw_power_interpolate((s32) frequency,
++                                                               f, t, 3);
++              } else {
++                      temp_slope = eep->modalHeader5G.tempSlope;
++              }
++      }
+-      REG_RMW_FIELD(ah, AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM, tempSlope);
++tempslope:
++      if (AR_SREV_9550(ah)) {
++              /*
++               * AR955x has tempSlope register for each chain.
++               * Check whether temp_compensation feature is enabled or not.
++               */
++              if (eep->baseEepHeader.featureEnable & 0x1) {
++                      if (frequency < 4000) {
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            eep->base_ext2.tempSlopeLow);
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            temp_slope);
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            eep->base_ext2.tempSlopeHigh);
++                      } else {
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            temp_slope);
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            temp_slope1);
++                              REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
++                                            AR_PHY_TPC_19_ALPHA_THERM,
++                                            temp_slope2);
++                      }
++              } else {
++                      /*
++                       * If temp compensation is not enabled,
++                       * set all registers to 0.
++                       */
++                      REG_RMW_FIELD(ah, AR_PHY_TPC_19,
++                                    AR_PHY_TPC_19_ALPHA_THERM, 0);
++                      REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
++                                    AR_PHY_TPC_19_ALPHA_THERM, 0);
++                      REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
++                                    AR_PHY_TPC_19_ALPHA_THERM, 0);
++              }
++      } else {
++              REG_RMW_FIELD(ah, AR_PHY_TPC_19,
++                            AR_PHY_TPC_19_ALPHA_THERM, temp_slope);
++      }
+       if (AR_SREV_9462_20(ah))
+               REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
+-                            AR_PHY_TPC_19_B1_ALPHA_THERM, tempSlope);
++                            AR_PHY_TPC_19_B1_ALPHA_THERM, temp_slope);
+       REG_RMW_FIELD(ah, AR_PHY_TPC_18, AR_PHY_TPC_18_THERM_CAL_VALUE,
+                     temperature[0]);
+-
+-      return 0;
+ }
+ /* Apply the recorded correction values. */
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -68,7 +68,7 @@ static const int m2ThreshExt_off = 127;
+ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
+ {
+       u16 bMode, fracMode = 0, aModeRefSel = 0;
+-      u32 freq, channelSel = 0, reg32 = 0;
++      u32 freq, chan_frac, div, channelSel = 0, reg32 = 0;
+       struct chan_centers centers;
+       int loadSynthChannel;
+@@ -77,9 +77,6 @@ static int ar9003_hw_set_channel(struct 
+       if (freq < 4800) {     /* 2 GHz, fractional mode */
+               if (AR_SREV_9330(ah)) {
+-                      u32 chan_frac;
+-                      u32 div;
+-
+                       if (ah->is_clk_25mhz)
+                               div = 75;
+                       else
+@@ -89,34 +86,40 @@ static int ar9003_hw_set_channel(struct 
+                       chan_frac = (((freq * 4) % div) * 0x20000) / div;
+                       channelSel = (channelSel << 17) | chan_frac;
+               } else if (AR_SREV_9485(ah) || AR_SREV_9565(ah)) {
+-                      u32 chan_frac;
+-
+                       /*
+-                       * freq_ref = 40 / (refdiva >> amoderefsel); where refdiva=1 and amoderefsel=0
++                       * freq_ref = 40 / (refdiva >> amoderefsel);
++                       * where refdiva=1 and amoderefsel=0
+                        * ndiv = ((chan_mhz * 4) / 3) / freq_ref;
+                        * chansel = int(ndiv), chanfrac = (ndiv - chansel) * 0x20000
+                        */
+                       channelSel = (freq * 4) / 120;
+                       chan_frac = (((freq * 4) % 120) * 0x20000) / 120;
+                       channelSel = (channelSel << 17) | chan_frac;
+-              } else if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
++              } else if (AR_SREV_9340(ah)) {
+                       if (ah->is_clk_25mhz) {
+-                              u32 chan_frac;
+-
+                               channelSel = (freq * 2) / 75;
+                               chan_frac = (((freq * 2) % 75) * 0x20000) / 75;
+                               channelSel = (channelSel << 17) | chan_frac;
+-                      } else
++                      } else {
+                               channelSel = CHANSEL_2G(freq) >> 1;
+-              } else
++                      }
++              } else if (AR_SREV_9550(ah)) {
++                      if (ah->is_clk_25mhz)
++                              div = 75;
++                      else
++                              div = 120;
++
++                      channelSel = (freq * 4) / div;
++                      chan_frac = (((freq * 4) % div) * 0x20000) / div;
++                      channelSel = (channelSel << 17) | chan_frac;
++              } else {
+                       channelSel = CHANSEL_2G(freq);
++              }
+               /* Set to 2G mode */
+               bMode = 1;
+       } else {
+               if ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) &&
+                   ah->is_clk_25mhz) {
+-                      u32 chan_frac;
+-
+                       channelSel = freq / 75;
+                       chan_frac = ((freq % 75) * 0x20000) / 75;
+                       channelSel = (channelSel << 17) | chan_frac;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+@@ -1028,7 +1028,7 @@
+ #define AR_PHY_TPC_5_B2          (AR_SM2_BASE + 0x208)
+ #define AR_PHY_TPC_6_B2          (AR_SM2_BASE + 0x20c)
+ #define AR_PHY_TPC_11_B2         (AR_SM2_BASE + 0x220)
+-#define AR_PHY_PDADC_TAB_2       (AR_SM2_BASE + 0x240)
++#define AR_PHY_TPC_19_B2         (AR_SM2_BASE + 0x240)
+ #define AR_PHY_TX_IQCAL_STATUS_B2   (AR_SM2_BASE + 0x48c)
+ #define AR_PHY_TX_IQCAL_CORR_COEFF_B2(_i)    (AR_SM2_BASE + 0x450 + ((_i) << 2))
+--- a/drivers/net/wireless/ath/ath9k/ar955x_1p0_initvals.h
++++ b/drivers/net/wireless/ath/ath9k/ar955x_1p0_initvals.h
+@@ -23,16 +23,16 @@
+ static const u32 ar955x_1p0_radio_postamble[][5] = {
+       /* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
+       {0x00016098, 0xd2dd5554, 0xd2dd5554, 0xd28b3330, 0xd28b3330},
+-      {0x0001609c, 0x0a566f3a, 0x0a566f3a, 0x06345f2a, 0x06345f2a},
+-      {0x000160ac, 0xa4647c00, 0xa4647c00, 0xa4646800, 0xa4646800},
+-      {0x000160b0, 0x01885f52, 0x01885f52, 0x04accf3a, 0x04accf3a},
+-      {0x00016104, 0xb7a00001, 0xb7a00001, 0xb7a00001, 0xb7a00001},
++      {0x0001609c, 0x0a566f3a, 0x0a566f3a, 0x0a566f3a, 0x0a566f3a},
++      {0x000160ac, 0xa4647c00, 0xa4647c00, 0x24647c00, 0x24647c00},
++      {0x000160b0, 0x01885f52, 0x01885f52, 0x01885f52, 0x01885f52},
++      {0x00016104, 0xb7a00000, 0xb7a00000, 0xb7a00001, 0xb7a00001},
+       {0x0001610c, 0xc0000000, 0xc0000000, 0xc0000000, 0xc0000000},
+       {0x00016140, 0x10804008, 0x10804008, 0x10804008, 0x10804008},
+-      {0x00016504, 0xb7a00001, 0xb7a00001, 0xb7a00001, 0xb7a00001},
++      {0x00016504, 0xb7a00000, 0xb7a00000, 0xb7a00001, 0xb7a00001},
+       {0x0001650c, 0xc0000000, 0xc0000000, 0xc0000000, 0xc0000000},
+       {0x00016540, 0x10804008, 0x10804008, 0x10804008, 0x10804008},
+-      {0x00016904, 0xb7a00001, 0xb7a00001, 0xb7a00001, 0xb7a00001},
++      {0x00016904, 0xb7a00000, 0xb7a00000, 0xb7a00001, 0xb7a00001},
+       {0x0001690c, 0xc0000000, 0xc0000000, 0xc0000000, 0xc0000000},
+       {0x00016940, 0x10804008, 0x10804008, 0x10804008, 0x10804008},
+ };
+@@ -69,15 +69,15 @@ static const u32 ar955x_1p0_baseband_pos
+       {0x0000a204, 0x005c0ec0, 0x005c0ec4, 0x005c0ec4, 0x005c0ec0},
+       {0x0000a208, 0x00000104, 0x00000104, 0x00000004, 0x00000004},
+       {0x0000a22c, 0x07e26a2f, 0x07e26a2f, 0x01026a2f, 0x01026a2f},
+-      {0x0000a230, 0x0000000a, 0x00000014, 0x00000016, 0x0000000b},
++      {0x0000a230, 0x0000400a, 0x00004014, 0x00004016, 0x0000400b},
+       {0x0000a234, 0x00000fff, 0x10000fff, 0x10000fff, 0x00000fff},
+       {0x0000a238, 0xffb01018, 0xffb01018, 0xffb01018, 0xffb01018},
+       {0x0000a250, 0x00000000, 0x00000000, 0x00000210, 0x00000108},
+       {0x0000a254, 0x000007d0, 0x00000fa0, 0x00001130, 0x00000898},
+       {0x0000a258, 0x02020002, 0x02020002, 0x02020002, 0x02020002},
+-      {0x0000a25c, 0x01000e0e, 0x01000e0e, 0x01000e0e, 0x01000e0e},
++      {0x0000a25c, 0x01000e0e, 0x01000e0e, 0x01010e0e, 0x01010e0e},
+       {0x0000a260, 0x0a021501, 0x0a021501, 0x3a021501, 0x3a021501},
+-      {0x0000a264, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e},
++      {0x0000a264, 0x00000e0e, 0x00000e0e, 0x01000e0e, 0x01000e0e},
+       {0x0000a280, 0x00000007, 0x00000007, 0x0000000b, 0x0000000b},
+       {0x0000a284, 0x00000000, 0x00000000, 0x00000010, 0x00000010},
+       {0x0000a288, 0x00000110, 0x00000110, 0x00000110, 0x00000110},
+@@ -125,7 +125,7 @@ static const u32 ar955x_1p0_radio_core[]
+       {0x00016094, 0x00000000},
+       {0x000160a0, 0x0a108ffe},
+       {0x000160a4, 0x812fc370},
+-      {0x000160a8, 0x423c8000},
++      {0x000160a8, 0x423c8100},
+       {0x000160b4, 0x92480080},
+       {0x000160c0, 0x006db6d0},
+       {0x000160c4, 0x6db6db60},
+@@ -134,7 +134,7 @@ static const u32 ar955x_1p0_radio_core[]
+       {0x00016100, 0x11999601},
+       {0x00016108, 0x00080010},
+       {0x00016144, 0x02084080},
+-      {0x00016148, 0x000080c0},
++      {0x00016148, 0x00008040},
+       {0x00016280, 0x01800804},
+       {0x00016284, 0x00038dc5},
+       {0x00016288, 0x00000000},
+@@ -178,7 +178,7 @@ static const u32 ar955x_1p0_radio_core[]
+       {0x00016500, 0x11999601},
+       {0x00016508, 0x00080010},
+       {0x00016544, 0x02084080},
+-      {0x00016548, 0x000080c0},
++      {0x00016548, 0x00008040},
+       {0x00016780, 0x00000000},
+       {0x00016784, 0x00000000},
+       {0x00016788, 0x00400705},
+@@ -218,7 +218,7 @@ static const u32 ar955x_1p0_radio_core[]
+       {0x00016900, 0x11999601},
+       {0x00016908, 0x00080010},
+       {0x00016944, 0x02084080},
+-      {0x00016948, 0x000080c0},
++      {0x00016948, 0x00008040},
+       {0x00016b80, 0x00000000},
+       {0x00016b84, 0x00000000},
+       {0x00016b88, 0x00400705},
+@@ -245,9 +245,9 @@ static const u32 ar955x_1p0_radio_core[]
+ static const u32 ar955x_1p0_modes_xpa_tx_gain_table[][9] = {
+       /* Addr      5G_HT20_L   5G_HT40_L   5G_HT20_M   5G_HT40_M   5G_HT20_H   5G_HT40_H   2G_HT40     2G_HT20  */
+-      {0x0000a2dc, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xfffd5aaa, 0xfffd5aaa},
+-      {0x0000a2e0, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xfffe9ccc, 0xfffe9ccc},
+-      {0x0000a2e4, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xffffe0f0, 0xffffe0f0},
++      {0x0000a2dc, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xfffd5aaa, 0xfffd5aaa},
++      {0x0000a2e0, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffe9ccc, 0xfffe9ccc},
++      {0x0000a2e4, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffffe0f0, 0xffffe0f0},
+       {0x0000a2e8, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xfffcff00, 0xfffcff00},
+       {0x0000a410, 0x000050de, 0x000050de, 0x000050de, 0x000050de, 0x000050de, 0x000050de, 0x000050da, 0x000050da},
+       {0x0000a500, 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000000, 0x00000000},
+@@ -256,63 +256,63 @@ static const u32 ar955x_1p0_modes_xpa_tx
+       {0x0000a50c, 0x0c00000b, 0x0c00000b, 0x0c00000b, 0x0c00000b, 0x0c00000b, 0x0c00000b, 0x0c000006, 0x0c000006},
+       {0x0000a510, 0x1000000d, 0x1000000d, 0x1000000d, 0x1000000d, 0x1000000d, 0x1000000d, 0x0f00000a, 0x0f00000a},
+       {0x0000a514, 0x14000011, 0x14000011, 0x14000011, 0x14000011, 0x14000011, 0x14000011, 0x1300000c, 0x1300000c},
+-      {0x0000a518, 0x19004008, 0x19004008, 0x19004008, 0x19004008, 0x18004008, 0x18004008, 0x1700000e, 0x1700000e},
+-      {0x0000a51c, 0x1d00400a, 0x1d00400a, 0x1d00400a, 0x1d00400a, 0x1c00400a, 0x1c00400a, 0x1b000064, 0x1b000064},
+-      {0x0000a520, 0x230020a2, 0x230020a2, 0x210020a2, 0x210020a2, 0x200020a2, 0x200020a2, 0x1f000242, 0x1f000242},
+-      {0x0000a524, 0x2500006e, 0x2500006e, 0x2500006e, 0x2500006e, 0x2400006e, 0x2400006e, 0x23000229, 0x23000229},
+-      {0x0000a528, 0x29022221, 0x29022221, 0x28022221, 0x28022221, 0x27022221, 0x27022221, 0x270002a2, 0x270002a2},
+-      {0x0000a52c, 0x2d00062a, 0x2d00062a, 0x2c00062a, 0x2c00062a, 0x2a00062a, 0x2a00062a, 0x2c001203, 0x2c001203},
+-      {0x0000a530, 0x340220a5, 0x340220a5, 0x320220a5, 0x320220a5, 0x2f0220a5, 0x2f0220a5, 0x30001803, 0x30001803},
+-      {0x0000a534, 0x380022c5, 0x380022c5, 0x350022c5, 0x350022c5, 0x320022c5, 0x320022c5, 0x33000881, 0x33000881},
+-      {0x0000a538, 0x3b002486, 0x3b002486, 0x39002486, 0x39002486, 0x36002486, 0x36002486, 0x38001809, 0x38001809},
+-      {0x0000a53c, 0x3f00248a, 0x3f00248a, 0x3d00248a, 0x3d00248a, 0x3a00248a, 0x3a00248a, 0x3a000814, 0x3a000814},
+-      {0x0000a540, 0x4202242c, 0x4202242c, 0x4102242c, 0x4102242c, 0x3f02242c, 0x3f02242c, 0x3f001a0c, 0x3f001a0c},
+-      {0x0000a544, 0x490044c6, 0x490044c6, 0x460044c6, 0x460044c6, 0x420044c6, 0x420044c6, 0x43001a0e, 0x43001a0e},
+-      {0x0000a548, 0x4d024485, 0x4d024485, 0x4a024485, 0x4a024485, 0x46024485, 0x46024485, 0x46001812, 0x46001812},
+-      {0x0000a54c, 0x51044483, 0x51044483, 0x4e044483, 0x4e044483, 0x4a044483, 0x4a044483, 0x49001884, 0x49001884},
+-      {0x0000a550, 0x5404a40c, 0x5404a40c, 0x5204a40c, 0x5204a40c, 0x4d04a40c, 0x4d04a40c, 0x4d001e84, 0x4d001e84},
+-      {0x0000a554, 0x57024632, 0x57024632, 0x55024632, 0x55024632, 0x52024632, 0x52024632, 0x50001e69, 0x50001e69},
+-      {0x0000a558, 0x5c00a634, 0x5c00a634, 0x5900a634, 0x5900a634, 0x5600a634, 0x5600a634, 0x550006f4, 0x550006f4},
+-      {0x0000a55c, 0x5f026832, 0x5f026832, 0x5d026832, 0x5d026832, 0x5a026832, 0x5a026832, 0x59000ad3, 0x59000ad3},
+-      {0x0000a560, 0x6602b012, 0x6602b012, 0x6202b012, 0x6202b012, 0x5d02b012, 0x5d02b012, 0x5e000ad5, 0x5e000ad5},
+-      {0x0000a564, 0x6e02d0e1, 0x6e02d0e1, 0x6802d0e1, 0x6802d0e1, 0x6002d0e1, 0x6002d0e1, 0x61001ced, 0x61001ced},
+-      {0x0000a568, 0x7202b4c4, 0x7202b4c4, 0x6c02b4c4, 0x6c02b4c4, 0x6502b4c4, 0x6502b4c4, 0x660018d4, 0x660018d4},
+-      {0x0000a56c, 0x75007894, 0x75007894, 0x70007894, 0x70007894, 0x6b007894, 0x6b007894, 0x660018d4, 0x660018d4},
+-      {0x0000a570, 0x7b025c74, 0x7b025c74, 0x75025c74, 0x75025c74, 0x70025c74, 0x70025c74, 0x660018d4, 0x660018d4},
+-      {0x0000a574, 0x8300bcb5, 0x8300bcb5, 0x7a00bcb5, 0x7a00bcb5, 0x7600bcb5, 0x7600bcb5, 0x660018d4, 0x660018d4},
+-      {0x0000a578, 0x8a04dc74, 0x8a04dc74, 0x7f04dc74, 0x7f04dc74, 0x7c04dc74, 0x7c04dc74, 0x660018d4, 0x660018d4},
+-      {0x0000a57c, 0x8a04dc74, 0x8a04dc74, 0x7f04dc74, 0x7f04dc74, 0x7c04dc74, 0x7c04dc74, 0x660018d4, 0x660018d4},
++      {0x0000a518, 0x1700002b, 0x1700002b, 0x1700002b, 0x1700002b, 0x1600002b, 0x1600002b, 0x1700000e, 0x1700000e},
++      {0x0000a51c, 0x1b00002d, 0x1b00002d, 0x1b00002d, 0x1b00002d, 0x1a00002d, 0x1a00002d, 0x1b000064, 0x1b000064},
++      {0x0000a520, 0x20000031, 0x20000031, 0x1f000031, 0x1f000031, 0x1e000031, 0x1e000031, 0x1f000242, 0x1f000242},
++      {0x0000a524, 0x24000051, 0x24000051, 0x23000051, 0x23000051, 0x23000051, 0x23000051, 0x23000229, 0x23000229},
++      {0x0000a528, 0x27000071, 0x27000071, 0x27000071, 0x27000071, 0x26000071, 0x26000071, 0x270002a2, 0x270002a2},
++      {0x0000a52c, 0x2b000092, 0x2b000092, 0x2b000092, 0x2b000092, 0x2b000092, 0x2b000092, 0x2c001203, 0x2c001203},
++      {0x0000a530, 0x3000028c, 0x3000028c, 0x2f00028c, 0x2f00028c, 0x2e00028c, 0x2e00028c, 0x30001803, 0x30001803},
++      {0x0000a534, 0x34000290, 0x34000290, 0x33000290, 0x33000290, 0x32000290, 0x32000290, 0x33000881, 0x33000881},
++      {0x0000a538, 0x37000292, 0x37000292, 0x36000292, 0x36000292, 0x35000292, 0x35000292, 0x38001809, 0x38001809},
++      {0x0000a53c, 0x3b02028d, 0x3b02028d, 0x3a02028d, 0x3a02028d, 0x3902028d, 0x3902028d, 0x3a000814, 0x3a000814},
++      {0x0000a540, 0x3f020291, 0x3f020291, 0x3e020291, 0x3e020291, 0x3d020291, 0x3d020291, 0x3f001a0c, 0x3f001a0c},
++      {0x0000a544, 0x44020490, 0x44020490, 0x43020490, 0x43020490, 0x42020490, 0x42020490, 0x43001a0e, 0x43001a0e},
++      {0x0000a548, 0x48020492, 0x48020492, 0x47020492, 0x47020492, 0x46020492, 0x46020492, 0x46001812, 0x46001812},
++      {0x0000a54c, 0x4c020692, 0x4c020692, 0x4b020692, 0x4b020692, 0x4a020692, 0x4a020692, 0x49001884, 0x49001884},
++      {0x0000a550, 0x50020892, 0x50020892, 0x4f020892, 0x4f020892, 0x4e020892, 0x4e020892, 0x4d001e84, 0x4d001e84},
++      {0x0000a554, 0x53040891, 0x53040891, 0x53040891, 0x53040891, 0x52040891, 0x52040891, 0x50001e69, 0x50001e69},
++      {0x0000a558, 0x58040893, 0x58040893, 0x57040893, 0x57040893, 0x56040893, 0x56040893, 0x550006f4, 0x550006f4},
++      {0x0000a55c, 0x5c0408b4, 0x5c0408b4, 0x5a0408b4, 0x5a0408b4, 0x5a0408b4, 0x5a0408b4, 0x59000ad3, 0x59000ad3},
++      {0x0000a560, 0x610408b6, 0x610408b6, 0x5e0408b6, 0x5e0408b6, 0x5e0408b6, 0x5e0408b6, 0x5e000ad5, 0x5e000ad5},
++      {0x0000a564, 0x670408f6, 0x670408f6, 0x620408f6, 0x620408f6, 0x620408f6, 0x620408f6, 0x61001ced, 0x61001ced},
++      {0x0000a568, 0x6a040cf6, 0x6a040cf6, 0x66040cf6, 0x66040cf6, 0x66040cf6, 0x66040cf6, 0x660018d4, 0x660018d4},
++      {0x0000a56c, 0x6d040d76, 0x6d040d76, 0x6a040d76, 0x6a040d76, 0x6a040d76, 0x6a040d76, 0x660018d4, 0x660018d4},
++      {0x0000a570, 0x70060db6, 0x70060db6, 0x6e060db6, 0x6e060db6, 0x6e060db6, 0x6e060db6, 0x660018d4, 0x660018d4},
++      {0x0000a574, 0x730a0df6, 0x730a0df6, 0x720a0df6, 0x720a0df6, 0x720a0df6, 0x720a0df6, 0x660018d4, 0x660018d4},
++      {0x0000a578, 0x770a13f6, 0x770a13f6, 0x760a13f6, 0x760a13f6, 0x760a13f6, 0x760a13f6, 0x660018d4, 0x660018d4},
++      {0x0000a57c, 0x770a13f6, 0x770a13f6, 0x760a13f6, 0x760a13f6, 0x760a13f6, 0x760a13f6, 0x660018d4, 0x660018d4},
+       {0x0000a600, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+       {0x0000a604, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+       {0x0000a608, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+-      {0x0000a60c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x03804000, 0x03804000},
+-      {0x0000a610, 0x04c08c01, 0x04c08c01, 0x04808b01, 0x04808b01, 0x04808a01, 0x04808a01, 0x0300ca02, 0x0300ca02},
+-      {0x0000a614, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00000e04, 0x00000e04},
+-      {0x0000a618, 0x04010c01, 0x04010c01, 0x03c10b01, 0x03c10b01, 0x03810a01, 0x03810a01, 0x03014000, 0x03014000},
+-      {0x0000a61c, 0x03814e05, 0x03814e05, 0x03414d05, 0x03414d05, 0x03414d05, 0x03414d05, 0x00000000, 0x00000000},
+-      {0x0000a620, 0x04010303, 0x04010303, 0x03c10303, 0x03c10303, 0x03810303, 0x03810303, 0x00000000, 0x00000000},
+-      {0x0000a624, 0x03814e05, 0x03814e05, 0x03414d05, 0x03414d05, 0x03414d05, 0x03414d05, 0x03014000, 0x03014000},
+-      {0x0000a628, 0x00c0c000, 0x00c0c000, 0x00c0c000, 0x00c0c000, 0x00c0c000, 0x00c0c000, 0x03804c05, 0x03804c05},
+-      {0x0000a62c, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x00c0c303, 0x0701de06, 0x0701de06},
+-      {0x0000a630, 0x03418000, 0x03418000, 0x03018000, 0x03018000, 0x02c18000, 0x02c18000, 0x07819c07, 0x07819c07},
+-      {0x0000a634, 0x03815004, 0x03815004, 0x03414f04, 0x03414f04, 0x03414e04, 0x03414e04, 0x0701dc07, 0x0701dc07},
+-      {0x0000a638, 0x03005302, 0x03005302, 0x02c05202, 0x02c05202, 0x02805202, 0x02805202, 0x0701dc07, 0x0701dc07},
+-      {0x0000a63c, 0x04c09302, 0x04c09302, 0x04809202, 0x04809202, 0x04809202, 0x04809202, 0x0701dc07, 0x0701dc07},
+-      {0x0000b2dc, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xfffd5aaa, 0xfffd5aaa},
+-      {0x0000b2e0, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xfffe9ccc, 0xfffe9ccc},
+-      {0x0000b2e4, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xffffe0f0, 0xffffe0f0},
++      {0x0000a60c, 0x02c04b01, 0x02c04b01, 0x02c04b01, 0x02c04b01, 0x02c04b01, 0x02c04b01, 0x03804000, 0x03804000},
++      {0x0000a610, 0x04008b01, 0x04008b01, 0x04008b01, 0x04008b01, 0x03c08b01, 0x03c08b01, 0x0300ca02, 0x0300ca02},
++      {0x0000a614, 0x05811403, 0x05811403, 0x05411303, 0x05411303, 0x05411303, 0x05411303, 0x00000e04, 0x00000e04},
++      {0x0000a618, 0x05811604, 0x05811604, 0x05411504, 0x05411504, 0x05411504, 0x05411504, 0x03014000, 0x03014000},
++      {0x0000a61c, 0x05811604, 0x05811604, 0x05411504, 0x05411504, 0x05411504, 0x05411504, 0x00000000, 0x00000000},
++      {0x0000a620, 0x05811604, 0x05811604, 0x05411504, 0x05411504, 0x05411504, 0x05411504, 0x00000000, 0x00000000},
++      {0x0000a624, 0x05811604, 0x05811604, 0x05411504, 0x05411504, 0x05411504, 0x05411504, 0x03014000, 0x03014000},
++      {0x0000a628, 0x05811604, 0x05811604, 0x05411504, 0x05411504, 0x05411504, 0x05411504, 0x03804c05, 0x03804c05},
++      {0x0000a62c, 0x06815604, 0x06815604, 0x06415504, 0x06415504, 0x06015504, 0x06015504, 0x0701de06, 0x0701de06},
++      {0x0000a630, 0x07819a05, 0x07819a05, 0x07419905, 0x07419905, 0x07019805, 0x07019805, 0x07819c07, 0x07819c07},
++      {0x0000a634, 0x07819e06, 0x07819e06, 0x07419d06, 0x07419d06, 0x07019c06, 0x07019c06, 0x0701dc07, 0x0701dc07},
++      {0x0000a638, 0x07819e06, 0x07819e06, 0x07419d06, 0x07419d06, 0x07019c06, 0x07019c06, 0x0701dc07, 0x0701dc07},
++      {0x0000a63c, 0x07819e06, 0x07819e06, 0x07419d06, 0x07419d06, 0x07019c06, 0x07019c06, 0x0701dc07, 0x0701dc07},
++      {0x0000b2dc, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xfffd5aaa, 0xfffd5aaa},
++      {0x0000b2e0, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffe9ccc, 0xfffe9ccc},
++      {0x0000b2e4, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffffe0f0, 0xffffe0f0},
+       {0x0000b2e8, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xfffcff00, 0xfffcff00},
+-      {0x0000c2dc, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xffffaaaa, 0xfffd5aaa, 0xfffd5aaa},
+-      {0x0000c2e0, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xffffcccc, 0xfffe9ccc, 0xfffe9ccc},
+-      {0x0000c2e4, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xfffff0f0, 0xffffe0f0, 0xffffe0f0},
++      {0x0000c2dc, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xffff6aaa, 0xfffd5aaa, 0xfffd5aaa},
++      {0x0000c2e0, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffdcccc, 0xfffe9ccc, 0xfffe9ccc},
++      {0x0000c2e4, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffe3b0f0, 0xffffe0f0, 0xffffe0f0},
+       {0x0000c2e8, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00, 0xfffcff00, 0xfffcff00},
+       {0x00016044, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x010002d4, 0x010002d4},
+-      {0x00016048, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x66482401, 0x66482401},
++      {0x00016048, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401},
+       {0x00016280, 0x01801e84, 0x01801e84, 0x01801e84, 0x01801e84, 0x01801e84, 0x01801e84, 0x01808e84, 0x01808e84},
+       {0x00016444, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x010002d4, 0x010002d4},
+-      {0x00016448, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x66482401, 0x66482401},
++      {0x00016448, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401},
+       {0x00016844, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x056db2d4, 0x010002d4, 0x010002d4},
+-      {0x00016848, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x62482401, 0x66482401, 0x66482401},
++      {0x00016848, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401, 0x66482401},
+ };
+ static const u32 ar955x_1p0_mac_core[][2] = {
+@@ -846,7 +846,7 @@ static const u32 ar955x_1p0_baseband_cor
+       {0x0000a44c, 0x00000001},
+       {0x0000a450, 0x00010000},
+       {0x0000a458, 0x00000000},
+-      {0x0000a644, 0x3fad9d74},
++      {0x0000a644, 0xbfad9d74},
+       {0x0000a648, 0x0048060a},
+       {0x0000a64c, 0x00003c37},
+       {0x0000a670, 0x03020100},
+@@ -1277,7 +1277,7 @@ static const u32 ar955x_1p0_modes_fast_c
+       {0x0000801c, 0x148ec02b, 0x148ec057},
+       {0x00008318, 0x000044c0, 0x00008980},
+       {0x00009e00, 0x0372131c, 0x0372131c},
+-      {0x0000a230, 0x0000000b, 0x00000016},
++      {0x0000a230, 0x0000400b, 0x00004016},
+       {0x0000a254, 0x00000898, 0x00001130},
+ };
+--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
++++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
+@@ -347,6 +347,8 @@ void ath9k_htc_txcompletion_cb(struct ht
+                       endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
+                                                 skb, htc_hdr->endpoint_id,
+                                                 txok);
++              } else {
++                      kfree_skb(skb);
+               }
+       }
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -142,8 +142,8 @@ static void rcu_free_regdom(const struct
+ static struct regulatory_request *get_last_request(void)
+ {
+-      return rcu_dereference_protected(last_request,
+-                                       lockdep_is_held(&reg_mutex));
++      return rcu_dereference_check(last_request,
++                                   lockdep_is_held(&reg_mutex));
+ }
+ /* Used to queue up regulatory hints */
+@@ -1850,7 +1850,7 @@ static void restore_regulatory_settings(
+       mutex_lock(&cfg80211_mutex);
+       mutex_lock(&reg_mutex);
+-      reset_regdomains(true, cfg80211_world_regdom);
++      reset_regdomains(true, &world_regdom);
+       restore_alpha2(alpha2, reset_user);
+       /*
+@@ -2251,14 +2251,21 @@ int set_regdom(const struct ieee80211_re
+ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+ {
+-      struct regulatory_request *lr = get_last_request();
++      struct regulatory_request *lr;
++      u8 alpha2[2];
++      bool add = false;
++      rcu_read_lock();
++      lr = get_last_request();
+       if (lr && !lr->processed) {
+-              if (add_uevent_var(env, "COUNTRY=%c%c",
+-                                 lr->alpha2[0], lr->alpha2[1]))
+-                      return -ENOMEM;
++              memcpy(alpha2, lr->alpha2, 2);
++              add = true;
+       }
++      rcu_read_unlock();
++      if (add)
++              return add_uevent_var(env, "COUNTRY=%c%c",
++                                    alpha2[0], alpha2[1]);
+       return 0;
+ }