21 files changed, 146 insertions, 119 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 8251946842e6..42ed923cdb1a 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1917,7 +1917,8 @@ ath5k_beacon_send(struct ath5k_softc *sc)
                 sc->bmisscount = 0;
         }
 
-        if (sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) {
+        if ((sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) ||
+                        sc->opmode == NL80211_IFTYPE_MESH_POINT) {
                 u64 tsf = ath5k_hw_get_tsf64(ah);
                 u32 tsftu = TSF_TO_TU(tsf);
                 int slot = ((tsftu % sc->bintval) * ATH_BCBUF) / sc->bintval;
@@ -1949,8 +1950,9 @@ ath5k_beacon_send(struct ath5k_softc *sc)
                 /* NB: hw still stops DMA, so proceed */
         }
 
-        /* refresh the beacon for AP mode */
-        if (sc->opmode == NL80211_IFTYPE_AP)
+        /* refresh the beacon for AP or MESH mode */
+        if (sc->opmode == NL80211_IFTYPE_AP ||
+                        sc->opmode == NL80211_IFTYPE_MESH_POINT)
                 ath5k_beacon_update(sc->hw, vif);
 
         ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
@@ -2851,7 +2853,8 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
 
         /* Assign the vap/adhoc to a beacon xmit slot. */
         if ((avf->opmode == NL80211_IFTYPE_AP) ||
-            (avf->opmode == NL80211_IFTYPE_ADHOC)) {
+            (avf->opmode == NL80211_IFTYPE_ADHOC) ||
+            (avf->opmode == NL80211_IFTYPE_MESH_POINT)) {
                 int slot;
 
                 WARN_ON(list_empty(&sc->bcbuf));
@@ -2870,7 +2873,7 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
                 sc->bslot[avf->bslot] = vif;
                 if (avf->opmode == NL80211_IFTYPE_AP)
                         sc->num_ap_vifs++;
-                else
+                else if (avf->opmode == NL80211_IFTYPE_ADHOC)
                         sc->num_adhoc_vifs++;
         }
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index c4182359bee4..a7b82f0085d2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -55,6 +55,8 @@
 #define SUB_NUM_CTL_MODES_AT_5G_40 2    /* excluding HT40, EXT-OFDM */
 #define SUB_NUM_CTL_MODES_AT_2G_40 3    /* excluding HT40, EXT-OFDM, EXT-CCK */
 
+#define CTL(_tpower, _flag) ((_tpower) | ((_flag) << 6))
+
 static const struct ar9300_eeprom ar9300_default = {
         .eepromVersion = 2,
         .templateVersion = 2,
@@ -290,20 +292,21 @@ static const struct ar9300_eeprom ar9300_default = {
                 }
          },
         .ctlPowerData_2G = {
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
-                 { { {60, 1}, {60, 0}, {60, 0}, {60, 1} } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
+                 { { CTL(60, 1), CTL(60, 0), CTL(60, 0), CTL(60, 1) } },
 
-                 { { {60, 1}, {60, 0}, {0, 0}, {0, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
+                 { { CTL(60, 1), CTL(60, 0), CTL(0, 0), CTL(0, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
 
-                 { { {60, 0}, {60, 1}, {60, 1}, {60, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 1), CTL(60, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
 
-                 { { {60, 0}, {60, 1}, {60, 0}, {60, 0} } },
-                 { { {60, 0}, {60, 1}, {60, 1}, {60, 1} } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 0) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 1), CTL(60, 1) } },
+                 { { CTL(60, 0), CTL(60, 1), CTL(60, 1), CTL(60, 1) } },
          },
         .modalHeader5G = {
                 /* 4 idle,t1,t2,b (4 bits per setting) */
@@ -568,56 +571,56 @@ static const struct ar9300_eeprom ar9300_default = {
         .ctlPowerData_5G = {
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 1}, {60, 0},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 1}, {60, 0},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 0}, {60, 1}, {60, 0}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
+                                CTL(60, 0), CTL(60, 1), CTL(60, 0), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
                         }
                 },
                 {
                         {
-                                {60, 0}, {60, 1}, {60, 1}, {60, 0},
-                                {60, 1}, {60, 0}, {60, 0}, {60, 0},
+                                CTL(60, 0), CTL(60, 1), CTL(60, 1), CTL(60, 0),
+                                CTL(60, 1), CTL(60, 0), CTL(60, 0), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 1}, {60, 0},
-                                {60, 0}, {60, 0}, {60, 0}, {60, 0},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 0),
+                                CTL(60, 0), CTL(60, 0), CTL(60, 0), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
-                                {60, 1}, {60, 0}, {60, 0}, {60, 0},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 0), CTL(60, 0), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 1}, {60, 1},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 1),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 1}, {60, 0}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 1}, {60, 0},
+                                CTL(60, 1), CTL(60, 1), CTL(60, 0), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 1), CTL(60, 0),
                         }
                 },
                 {
                         {
-                                {60, 1}, {60, 0}, {60, 1}, {60, 1},
-                                {60, 1}, {60, 1}, {60, 0}, {60, 1},
+                                CTL(60, 1), CTL(60, 0), CTL(60, 1), CTL(60, 1),
+                                CTL(60, 1), CTL(60, 1), CTL(60, 0), CTL(60, 1),
                         }
                 },
          }
@@ -1827,9 +1830,9 @@ static u16 ar9003_hw_get_direct_edge_power(struct ar9300_eeprom *eep,
         struct cal_ctl_data_5g *ctl_5g = eep->ctlPowerData_5G;
 
         if (is2GHz)
-                return ctl_2g[idx].ctlEdges[edge].tPower;
+                return CTL_EDGE_TPOWER(ctl_2g[idx].ctlEdges[edge]);
         else
-                return ctl_5g[idx].ctlEdges[edge].tPower;
+                return CTL_EDGE_TPOWER(ctl_5g[idx].ctlEdges[edge]);
 }
 
 static u16 ar9003_hw_get_indirect_edge_power(struct ar9300_eeprom *eep,
@@ -1847,12 +1850,12 @@ static u16 ar9003_hw_get_indirect_edge_power(struct ar9300_eeprom *eep,
 
         if (is2GHz) {
                 if (ath9k_hw_fbin2freq(ctl_freqbin[edge - 1], 1) < freq &&
-                    ctl_2g[idx].ctlEdges[edge - 1].flag)
-                        return ctl_2g[idx].ctlEdges[edge - 1].tPower;
+                    CTL_EDGE_FLAGS(ctl_2g[idx].ctlEdges[edge - 1]))
+                        return CTL_EDGE_TPOWER(ctl_2g[idx].ctlEdges[edge - 1]);
         } else {
                 if (ath9k_hw_fbin2freq(ctl_freqbin[edge - 1], 0) < freq &&
-                    ctl_5g[idx].ctlEdges[edge - 1].flag)
-                        return ctl_5g[idx].ctlEdges[edge - 1].tPower;
+                    CTL_EDGE_FLAGS(ctl_5g[idx].ctlEdges[edge - 1]))
+                        return CTL_EDGE_TPOWER(ctl_5g[idx].ctlEdges[edge - 1]);
         }
 
         return AR9300_MAX_RATE_POWER;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 3c533bb983c7..655b3033396c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -261,17 +261,12 @@ struct cal_tgt_pow_ht {
         u8 tPow2x[14];
 } __packed;
 
-struct cal_ctl_edge_pwr {
-        u8 tPower:6,
-           flag:2;
-} __packed;
-
 struct cal_ctl_data_2g {
-        struct cal_ctl_edge_pwr ctlEdges[AR9300_NUM_BAND_EDGES_2G];
+        u8 ctlEdges[AR9300_NUM_BAND_EDGES_2G];
 } __packed;
 
 struct cal_ctl_data_5g {
-        struct cal_ctl_edge_pwr ctlEdges[AR9300_NUM_BAND_EDGES_5G];
+        u8 ctlEdges[AR9300_NUM_BAND_EDGES_5G];
 } __packed;
 
 struct ar9300_eeprom {
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 170d44a35ccb..0963071e8f90 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -21,6 +21,7 @@
 #include <linux/device.h>
 #include <linux/leds.h>
 #include <linux/completion.h>
+#include <linux/pm_qos_params.h>
 
 #include "debug.h"
 #include "common.h"
@@ -328,7 +329,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
 int ath_tx_setup(struct ath_softc *sc, int haltype);
-void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
 void ath_draintxq(struct ath_softc *sc,
                      struct ath_txq *txq, bool retry_tx);
 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
@@ -646,6 +647,8 @@ struct ath_softc {
         struct ath_descdma txsdma;
 
         struct ath_ant_comb ant_comb;
+
+        struct pm_qos_request_list pm_qos_req;
 };
 
 struct ath_wiphy {
@@ -675,7 +678,6 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 }
 
 extern struct ieee80211_ops ath9k_ops;
-extern struct pm_qos_request_list ath9k_pm_qos_req;
 extern int modparam_nohwcrypt;
 extern int led_blink;
 
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index 1266333f586d..2bbf94d0191e 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -240,16 +240,16 @@ u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
         for (i = 0; (i < num_band_edges) &&
                      (pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
                 if (freq == ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel, is2GHz)) {
-                        twiceMaxEdgePower = pRdEdgesPower[i].tPower;
+                        twiceMaxEdgePower = CTL_EDGE_TPOWER(pRdEdgesPower[i].ctl);
                         break;
                 } else if ((i > 0) &&
                            (freq < ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel,
                                                       is2GHz))) {
                         if (ath9k_hw_fbin2freq(pRdEdgesPower[i - 1].bChannel,
                                                is2GHz) < freq &&
-                            pRdEdgesPower[i - 1].flag) {
+                            CTL_EDGE_FLAGS(pRdEdgesPower[i - 1].ctl)) {
                                 twiceMaxEdgePower =
-                                        pRdEdgesPower[i - 1].tPower;
+                                        CTL_EDGE_TPOWER(pRdEdgesPower[i - 1].ctl);
                         }
                         break;
                 }
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index dacb45e1b906..dd59f09441a3 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -233,6 +233,18 @@
 
 #define AR9287_CHECKSUM_LOCATION (AR9287_EEP_START_LOC + 1)
 
+#define CTL_EDGE_TPOWER(_ctl) ((_ctl) & 0x3f)
+#define CTL_EDGE_FLAGS(_ctl) (((_ctl) >> 6) & 0x03)
+
+#define LNA_CTL_BUF_MODE        BIT(0)
+#define LNA_CTL_ISEL_LO         BIT(1)
+#define LNA_CTL_ISEL_HI         BIT(2)
+#define LNA_CTL_BUF_IN          BIT(3)
+#define LNA_CTL_FEM_BAND        BIT(4)
+#define LNA_CTL_LOCAL_BIAS      BIT(5)
+#define LNA_CTL_FORCE_XPA       BIT(6)
+#define LNA_CTL_USE_ANT1        BIT(7)
+
 enum eeprom_param {
         EEP_NFTHRESH_5,
         EEP_NFTHRESH_2,
@@ -378,10 +390,7 @@ struct modal_eep_header {
         u8 xatten2Margin[AR5416_MAX_CHAINS];
         u8 ob_ch1;
         u8 db_ch1;
-        u8 useAnt1:1,
-            force_xpaon:1,
-            local_bias:1,
-            femBandSelectUsed:1, xlnabufin:1, xlnaisel:2, xlnabufmode:1;
+        u8 lna_ctl;
         u8 miscBits;
         u16 xpaBiasLvlFreq[3];
         u8 futureModal[6];
@@ -535,18 +544,10 @@ struct cal_target_power_ht {
         u8 tPow2x[8];
 } __packed;
 
-
-#ifdef __BIG_ENDIAN_BITFIELD
-struct cal_ctl_edges {
-        u8 bChannel;
-        u8 flag:2, tPower:6;
-} __packed;
-#else
 struct cal_ctl_edges {
         u8 bChannel;
-        u8 tPower:6, flag:2;
+        u8 ctl;
 } __packed;
-#endif
 
 struct cal_data_op_loop_ar9287 {
         u8 pwrPdg[2][5];
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 76b4d65472dd..a3ccb1b9638d 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -451,9 +451,10 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
                 ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
                                           AR_AN_TOP2_LOCALBIAS,
                                           AR_AN_TOP2_LOCALBIAS_S,
-                                          pModal->local_bias);
+                                          !!(pModal->lna_ctl &
+                                             LNA_CTL_LOCAL_BIAS));
                 REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
-                              pModal->force_xpaon);
+                              !!(pModal->lna_ctl & LNA_CTL_FORCE_XPA));
         }
 
         REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH,
@@ -1062,15 +1063,19 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
         case 1:
                 break;
         case 2:
-                scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+                if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
+                        scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+                else
+                        scaledPower = 0;
                 break;
         case 3:
-                scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+                if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
+                        scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+                else
+                        scaledPower = 0;
                 break;
         }
 
-        scaledPower = max((u16)0, scaledPower);
-
         if (IS_CHAN_2GHZ(chan)) {
                 numCtlModes = ARRAY_SIZE(ctlModesFor11g) -
                         SUB_NUM_CTL_MODES_AT_2G_40;
@@ -1428,9 +1433,9 @@ static u8 ath9k_hw_def_get_num_ant_config(struct ath_hw *ah,
 
         num_ant_config = 1;
 
-        if (pBase->version >= 0x0E0D)
-                if (pModal->useAnt1)
-                        num_ant_config += 1;
+        if (pBase->version >= 0x0E0D &&
+            (pModal->lna_ctl & LNA_CTL_USE_ANT1))
+                num_ant_config += 1;
 
         return num_ant_config;
 }
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index dfb6560dab92..0de3c3d3c245 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -1024,6 +1024,13 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface,
         struct hif_device_usb *hif_dev =
                 (struct hif_device_usb *) usb_get_intfdata(interface);
 
+        /*
+         * The device has to be set to FULLSLEEP mode in case no
+         * interface is up.
+         */
+        if (!(hif_dev->flags & HIF_USB_START))
+                ath9k_htc_suspend(hif_dev->htc_handle);
+
         ath9k_hif_usb_dealloc_urbs(hif_dev);
 
         return 0;
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 75ecf6a30d25..c3b561daa6c1 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -455,6 +455,8 @@ u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
 void ath9k_ps_work(struct work_struct *work);
+bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
+                        enum ath9k_power_mode mode);
 
 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
 void ath9k_init_leds(struct ath9k_htc_priv *priv);
@@ -464,6 +466,7 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
                            u16 devid, char *product);
 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
 #ifdef CONFIG_PM
+void ath9k_htc_suspend(struct htc_target *htc_handle);
 int ath9k_htc_resume(struct htc_target *htc_handle);
 #endif
 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 7c8a38d04561..8776f49ffd41 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -891,6 +891,12 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 }
 
 #ifdef CONFIG_PM
+
+void ath9k_htc_suspend(struct htc_target *htc_handle)
+{
+        ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP);
+}
+
 int ath9k_htc_resume(struct htc_target *htc_handle)
 {
         int ret;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 9a3be8da755d..51977caca47f 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -63,8 +63,8 @@ static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
         return mode;
 }
 
-static bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
-                               enum ath9k_power_mode mode)
+bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
+                        enum ath9k_power_mode mode)
 {
         bool ret;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 6ebc68bca91f..c7fbe25cc128 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2044,7 +2044,8 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
                 val = REG_READ(ah, AR7010_GPIO_IN);
                 return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0;
         } else if (AR_SREV_9300_20_OR_LATER(ah))
-                return MS_REG_READ(AR9300, gpio) != 0;
+                return (MS(REG_READ(ah, AR_GPIO_IN), AR9300_GPIO_IN_VAL) &
+                        AR_GPIO_BIT(gpio)) != 0;
         else if (AR_SREV_9271(ah))
                 return MS_REG_READ(AR9271, gpio) != 0;
         else if (AR_SREV_9287_11_OR_LATER(ah))
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 92bc5c5f4876..14b8ab386daf 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -15,7 +15,6 @@
  */
 
 #include <linux/slab.h>
-#include <linux/pm_qos_params.h>
 
 #include "ath9k.h"
 
@@ -180,8 +179,6 @@ static const struct ath_ops ath9k_common_ops = {
         .write = ath9k_iowrite32,
 };
 
-struct pm_qos_request_list ath9k_pm_qos_req;
-
 /**************************/
 /*     Initialization     */
 /**************************/
@@ -664,6 +661,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
         hw->wiphy->interface_modes =
+                BIT(NL80211_IFTYPE_P2P_GO) |
+                BIT(NL80211_IFTYPE_P2P_CLIENT) |
                 BIT(NL80211_IFTYPE_AP) |
                 BIT(NL80211_IFTYPE_WDS) |
                 BIT(NL80211_IFTYPE_STATION) |
@@ -759,7 +758,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
         ath_init_leds(sc);
         ath_start_rfkill_poll(sc);
 
-        pm_qos_add_request(&ath9k_pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
+        pm_qos_add_request(&sc->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
                            PM_QOS_DEFAULT_VALUE);
 
         return 0;
@@ -830,7 +829,7 @@ void ath9k_deinit_device(struct ath_softc *sc)
         }
 
         ieee80211_unregister_hw(hw);
-        pm_qos_remove_request(&ath9k_pm_qos_req);
+        pm_qos_remove_request(&sc->pm_qos_req);
         ath_rx_cleanup(sc);
         ath_tx_cleanup(sc);
         ath9k_deinit_softc(sc);
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 8c13479b17cd..c996963ab339 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -703,8 +703,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
                         rs->rs_phyerr = phyerr;
                 } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
                         rs->rs_status |= ATH9K_RXERR_DECRYPT;
-                else if ((ads.ds_rxstatus8 & AR_MichaelErr) &&
-                         rs->rs_keyix != ATH9K_RXKEYIX_INVALID)
+                else if (ads.ds_rxstatus8 & AR_MichaelErr)
                         rs->rs_status |= ATH9K_RXERR_MIC;
                 else if (ads.ds_rxstatus8 & AR_KeyMiss)
                         rs->rs_status |= ATH9K_RXERR_DECRYPT;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 25d3ef4c338e..c0c3464d3a86 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -15,7 +15,6 @@
  */
 
 #include <linux/nl80211.h>
-#include <linux/pm_qos_params.h>
 #include "ath9k.h"
 #include "btcoex.h"
 
@@ -245,11 +244,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
          * the relevant bits of the h/w.
          */
         ath9k_hw_set_interrupts(ah, 0);
-        ath_drain_all_txq(sc, false);
+        stopped = ath_drain_all_txq(sc, false);
 
         spin_lock_bh(&sc->rx.pcu_lock);
 
-        stopped = ath_stoprecv(sc);
+        if (!ath_stoprecv(sc))
+                stopped = false;
 
         /* XXX: do not flush receive queue here. We don't want
          * to flush data frames already in queue because of
@@ -1244,7 +1244,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
                         ath9k_btcoex_timer_resume(sc);
         }
 
-        pm_qos_update_request(&ath9k_pm_qos_req, 55);
+        pm_qos_update_request(&sc->pm_qos_req, 55);
 
 mutex_unlock:
         mutex_unlock(&sc->mutex);
@@ -1423,7 +1423,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
         sc->sc_flags |= SC_OP_INVALID;
 
-        pm_qos_update_request(&ath9k_pm_qos_req, PM_QOS_DEFAULT_VALUE);
+        pm_qos_update_request(&sc->pm_qos_req, PM_QOS_DEFAULT_VALUE);
 
         mutex_unlock(&sc->mutex);
 
@@ -1520,7 +1520,6 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
         struct ath_softc *sc = aphy->sc;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         struct ath_vif *avp = (void *)vif->drv_priv;
-        int i;
 
         ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
 
@@ -1534,21 +1533,24 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
         if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
             (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
             (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
+                /* Disable SWBA interrupt */
+                sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
                 ath9k_ps_wakeup(sc);
+                ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
                 ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
                 ath9k_ps_restore(sc);
+                tasklet_kill(&sc->bcon_tasklet);
         }
 
         ath_beacon_return(sc, avp);
         sc->sc_flags &= ~SC_OP_BEACONS;
 
-        for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
-                if (sc->beacon.bslot[i] == vif) {
-                        printk(KERN_DEBUG "%s: vif had allocated beacon "
-                               "slot\n", __func__);
-                        sc->beacon.bslot[i] = NULL;
-                        sc->beacon.bslot_aphy[i] = NULL;
-                }
+        if (sc->nbcnvifs) {
+                /* Re-enable SWBA interrupt */
+                sc->sc_ah->imask |= ATH9K_INT_SWBA;
+                ath9k_ps_wakeup(sc);
+                ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+                ath9k_ps_restore(sc);
         }
 
         sc->nvifs--;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 1a62e351ec77..fdc2ec52b42f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -838,6 +838,10 @@ static bool ath9k_rx_accept(struct ath_common *common,
                             struct ath_rx_status *rx_stats,
                             bool *decrypt_error)
 {
+#define is_mc_or_valid_tkip_keyix ((is_mc ||                    \
+                (rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID && \
+                test_bit(rx_stats->rs_keyix, common->tkip_keymap))))
+
         struct ath_hw *ah = common->ah;
         __le16 fc;
         u8 rx_status_len = ah->caps.rx_status_len;
@@ -879,15 +883,18 @@ static bool ath9k_rx_accept(struct ath_common *common,
                 if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
                         *decrypt_error = true;
                 } else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
+                        bool is_mc;
                         /*
                          * The MIC error bit is only valid if the frame
                          * is not a control frame or fragment, and it was
                          * decrypted using a valid TKIP key.
                          */
+                        is_mc = !!is_multicast_ether_addr(hdr->addr1);
+
                         if (!ieee80211_is_ctl(fc) &&
                             !ieee80211_has_morefrags(fc) &&
                             !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) &&
-                            test_bit(rx_stats->rs_keyix, common->tkip_keymap))
+                            is_mc_or_valid_tkip_keyix)
                                 rxs->flag |= RX_FLAG_MMIC_ERROR;
                         else
                                 rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index dddf579aacf1..2c6a22fbb0f0 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -984,11 +984,13 @@ enum {
 #define AR9287_GPIO_IN_VAL_S                     11
 #define AR9271_GPIO_IN_VAL                       0xFFFF0000
 #define AR9271_GPIO_IN_VAL_S                     16
-#define AR9300_GPIO_IN_VAL                       0x0001FFFF
-#define AR9300_GPIO_IN_VAL_S                     0
 #define AR7010_GPIO_IN_VAL                       0x0000FFFF
 #define AR7010_GPIO_IN_VAL_S                     0
 
+#define AR_GPIO_IN                               0x404c
+#define AR9300_GPIO_IN_VAL                       0x0001FFFF
+#define AR9300_GPIO_IN_VAL_S                     0
+
 #define AR_GPIO_OE_OUT                           (AR_SREV_9300_20_OR_LATER(ah) ? 0x4050 : 0x404c)
 #define AR_GPIO_OE_OUT_DRV                       0x3
 #define AR_GPIO_OE_OUT_DRV_NO                    0x0
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f2ade2402ce2..aff04789f794 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1120,7 +1120,7 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
         }
 }
 
-void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 {
         struct ath_hw *ah = sc->sc_ah;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -1128,7 +1128,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
         int i, npend = 0;
 
         if (sc->sc_flags & SC_OP_INVALID)
-                return;
+                return true;
 
         /* Stop beacon queue */
         ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
@@ -1142,25 +1142,15 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
                 }
         }
 
-        if (npend) {
-                int r;
-
-                ath_print(common, ATH_DBG_FATAL,
-                          "Failed to stop TX DMA. Resetting hardware!\n");
-
-                spin_lock_bh(&sc->sc_resetlock);
-                r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
-                if (r)
-                        ath_print(common, ATH_DBG_FATAL,
-                                  "Unable to reset hardware; reset status %d\n",
-                                  r);
-                spin_unlock_bh(&sc->sc_resetlock);
-        }
+        if (npend)
+                ath_print(common, ATH_DBG_FATAL, "Failed to stop TX DMA!\n");
 
         for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_draintxq(sc, &sc->tx.txq[i], retry_tx);
         }
+
+        return !npend;
 }
 
 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c
index ae6c006bbc56..546b4e4ec5ea 100644
--- a/drivers/net/wireless/ath/carl9170/fw.c
+++ b/drivers/net/wireless/ath/carl9170/fw.c
@@ -291,7 +291,8 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 
                 if (SUPP(CARL9170FW_WLANTX_CAB)) {
                         ar->hw->wiphy->interface_modes |=
-                                BIT(NL80211_IFTYPE_AP);
+                                BIT(NL80211_IFTYPE_AP) |
+                                BIT(NL80211_IFTYPE_P2P_GO);
                 }
         }
 
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index a314c2c2bfbe..dc7b30b170d0 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1631,7 +1631,8 @@ void *carl9170_alloc(size_t priv_size)
          * supports these modes. The code which will add the
          * additional interface_modes is in fw.c.
          */
-        hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+        hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+                                     BIT(NL80211_IFTYPE_P2P_CLIENT);
 
         hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS |
                      IEEE80211_HW_REPORTS_TX_ACK_STATUS |
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index b575c865142d..7e6506a77bbb 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -810,7 +810,7 @@ static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
 
         mac_tmp = cpu_to_le16(AR9170_TX_MAC_HW_DURATION |
                               AR9170_TX_MAC_BACKOFF);
-        mac_tmp |= cpu_to_le16((hw_queue << AR9170_TX_MAC_QOS_S) &&
+        mac_tmp |= cpu_to_le16((hw_queue << AR9170_TX_MAC_QOS_S) &
                                AR9170_TX_MAC_QOS);
 
         no_ack = !!(info->flags & IEEE80211_TX_CTL_NO_ACK);