Merge remote branch 'wireless-next/master' into ath6kl-next

34 files changed, 345 insertions, 748 deletions

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index efc01110dc34..c54b7d37bff1 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -174,28 +174,24 @@ bool ath_hw_keyreset(struct ath_common *common, u16 entry);
 void ath_hw_cycle_counters_update(struct ath_common *common);
 int32_t ath_hw_get_listen_time(struct ath_common *common);
 
-extern __printf(2, 3) void ath_printk(const char *level, const char *fmt, ...);
-
-#define _ath_printk(level, common, fmt, ...)			\
-do {								\
-	__always_unused struct ath_common *unused = common;	\
-	ath_printk(level, fmt, ##__VA_ARGS__);			\
-} while (0)
+__printf(3, 4)
+void ath_printk(const char *level, const struct ath_common *common,
+		const char *fmt, ...);
 
 #define ath_emerg(common, fmt, ...)				\
-	_ath_printk(KERN_EMERG, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_EMERG, common, fmt, ##__VA_ARGS__)
 #define ath_alert(common, fmt, ...)				\
-	_ath_printk(KERN_ALERT, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_ALERT, common, fmt, ##__VA_ARGS__)
 #define ath_crit(common, fmt, ...)				\
-	_ath_printk(KERN_CRIT, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_CRIT, common, fmt, ##__VA_ARGS__)
 #define ath_err(common, fmt, ...)				\
-	_ath_printk(KERN_ERR, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_ERR, common, fmt, ##__VA_ARGS__)
 #define ath_warn(common, fmt, ...)				\
-	_ath_printk(KERN_WARNING, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_WARNING, common, fmt, ##__VA_ARGS__)
 #define ath_notice(common, fmt, ...)				\
-	_ath_printk(KERN_NOTICE, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_NOTICE, common, fmt, ##__VA_ARGS__)
 #define ath_info(common, fmt, ...)				\
-	_ath_printk(KERN_INFO, common, fmt, ##__VA_ARGS__)
+	ath_printk(KERN_INFO, common, fmt, ##__VA_ARGS__)
 
 /**
  * enum ath_debug_level - atheros wireless debug level
@@ -256,7 +252,7 @@ enum ATH_DEBUG {
 #define ath_dbg(common, dbg_mask, fmt, ...)				\
 do {									\
 	if ((common)->debug_mask & ATH_DBG_##dbg_mask)			\
-		_ath_printk(KERN_DEBUG, common, fmt, ##__VA_ARGS__);	\
+		ath_printk(KERN_DEBUG, common, fmt, ##__VA_ARGS__);	\
 } while (0)
 
 #define ATH_DBG_WARN(foo, arg...) WARN(foo, arg)
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 6640326f7005..8d434b8f5855 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1320,6 +1320,7 @@ struct ath5k_hw {
 	struct ieee80211_vif	*bslot[ATH_BCBUF];
 	u16			num_ap_vifs;
 	u16			num_adhoc_vifs;
+	u16			num_mesh_vifs;
 	unsigned int		bhalq,		/* SW q for outgoing beacons */
 				bmisscount,	/* missed beacon transmits */
 				bintval,	/* beacon interval in TU */
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index a339693fbe26..0e643b016b32 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1867,7 +1867,8 @@ ath5k_beacon_send(struct ath5k_hw *ah)
 		ah->bmisscount = 0;
 	}
 
-	if ((ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs > 1) ||
+	if ((ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs +
+			ah->num_mesh_vifs > 1) ||
 			ah->opmode == NL80211_IFTYPE_MESH_POINT) {
 		u64 tsf = ath5k_hw_get_tsf64(ah);
 		u32 tsftu = TSF_TO_TU(tsf);
@@ -1952,7 +1953,8 @@ ath5k_beacon_update_timers(struct ath5k_hw *ah, u64 bc_tsf)
 	u64 hw_tsf;
 
 	intval = ah->bintval & AR5K_BEACON_PERIOD;
-	if (ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs > 1) {
+	if (ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs
+		+ ah->num_mesh_vifs > 1) {
 		intval /= ATH_BCBUF;	/* staggered multi-bss beacons */
 		if (intval < 15)
 			ATH5K_WARN(ah, "intval %u is too low, min 15\n",
@@ -2330,15 +2332,6 @@ ath5k_calibrate_work(struct work_struct *work)
 					"got new rfgain, resetting\n");
 			ieee80211_queue_work(ah->hw, &ah->reset_work);
 		}
-
-		/* TODO: On full calibration we should stop TX here,
-		 * so that it doesn't interfere (mostly due to gain_f
-		 * calibration that messes with tx packets -see phy.c).
-		 *
-		 * NOTE: Stopping the queues from above is not enough
-		 * to stop TX but saves us from disconecting (at least
-		 * we don't lose packets). */
-		ieee80211_stop_queues(ah->hw);
 	} else
 		ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
 
@@ -2353,10 +2346,9 @@ ath5k_calibrate_work(struct work_struct *work)
 				ah->curchan->center_freq));
 
 	/* Clear calibration flags */
-	if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
-		ieee80211_wake_queues(ah->hw);
+	if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
 		ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
-	} else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
+	else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
 		ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
 }
 
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index af4c7ecb4b30..5c5329955414 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -134,6 +134,8 @@ ath5k_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 			ah->num_ap_vifs++;
 		else if (avf->opmode == NL80211_IFTYPE_ADHOC)
 			ah->num_adhoc_vifs++;
+		else if (avf->opmode == NL80211_IFTYPE_MESH_POINT)
+			ah->num_mesh_vifs++;
 	}
 
 	/* Any MAC address is fine, all others are included through the
@@ -175,6 +177,8 @@ ath5k_remove_interface(struct ieee80211_hw *hw,
 		ah->num_ap_vifs--;
 	else if (avf->opmode == NL80211_IFTYPE_ADHOC)
 		ah->num_adhoc_vifs--;
+	else if (avf->opmode == NL80211_IFTYPE_MESH_POINT)
+		ah->num_mesh_vifs--;
 
 	ath5k_update_bssid_mask_and_opmode(ah, NULL);
 	mutex_unlock(&ah->lock);
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index e1f8613426a9..3a2845489a1b 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 		ret = 0;
 	}
 
-	/* On full calibration do an AGC calibration and
-	 * request a PAPD probe for gainf calibration if
-	 * needed */
-	if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
-
-		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
-					AR5K_PHY_AGCCTL_CAL);
-
-		ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
-			AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF,
-			0, false);
-		if (ret) {
-			ATH5K_ERR(ah,
-				"gain calibration timeout (%uMHz)\n",
-				channel->center_freq);
-		}
-
-		if ((ah->ah_radio == AR5K_RF5111 ||
-			ah->ah_radio == AR5K_RF5112)
-			&& (channel->hw_value != AR5K_MODE_11B))
-			ath5k_hw_request_rfgain_probe(ah);
-	}
-
-	/* Update noise floor
-	 * XXX: Only do this after AGC calibration */
+	/* On full calibration request a PAPD probe for
+	 * gainf calibration if needed */
+	if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) &&
+	    (ah->ah_radio == AR5K_RF5111 ||
+	     ah->ah_radio == AR5K_RF5112) &&
+	    channel->hw_value != AR5K_MODE_11B)
+		ath5k_hw_request_rfgain_probe(ah);
+
+	/* Update noise floor */
 	if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF))
 		ath5k_hw_update_noise_floor(ah);
 
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index 16e4e5a647a1..7654e8e286d3 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -557,7 +557,8 @@ static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
 		   dlen, freq, vif->probe_req_report);
 
 	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
-		cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
+		cfg80211_rx_mgmt(vif->ndev, freq, 0,
+				 ev->data, dlen, GFP_ATOMIC);
 
 	return 0;
 }
@@ -596,7 +597,8 @@ static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
 		return -EINVAL;
 	}
 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
-	cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
+	cfg80211_rx_mgmt(vif->ndev, freq, 0,
+			 ev->data, dlen, GFP_ATOMIC);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 595a272aa96e..e507e78398f3 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED
 	  developed. At this point enabling this option won't do anything
 	  except increase code size.
 
+config ATH9K_MAC_DEBUG
+	bool "Atheros MAC statistics"
+	depends on ATH9K_DEBUGFS
+	default y
+	---help---
+	  This option enables collection of statistics for Rx/Tx status
+	  data and some other MAC related statistics
+
 config ATH9K_RATE_CONTROL
 	bool "Atheros ath9k rate control"
 	depends on ATH9K
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 86a891f93fc9..d7d8e9199140 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -834,9 +834,10 @@ static int ar5008_hw_process_ini(struct ath_hw *ah,
 	    AR_SREV_9287_11_OR_LATER(ah))
 		REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
 
-	if (AR_SREV_9271_10(ah))
-		REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
-				modesIndex, regWrites);
+	if (AR_SREV_9271_10(ah)) {
+		REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENA);
+		REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_ADC_ON, 0xa);
+	}
 
 	ENABLE_REGWRITE_BUFFER(ah);
 
@@ -858,21 +859,11 @@ static int ar5008_hw_process_ini(struct ath_hw *ah,
 
 	REGWRITE_BUFFER_FLUSH(ah);
 
-	if (AR_SREV_9271(ah)) {
-		if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
-			REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
-					modesIndex, regWrites);
-		else
-			REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
-					modesIndex, regWrites);
-	}
-
 	REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
 
-	if (IS_CHAN_A_FAST_CLOCK(ah, chan)) {
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
+	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+		REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex,
 				regWrites);
-	}
 
 	ar5008_hw_override_ini(ah, chan);
 	ar5008_hw_set_channel_regs(ah, chan);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index e3f268900763..d9a69fc470cd 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -34,23 +34,8 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
 			       ARRAY_SIZE(ar9271Modes_9271), 5);
 		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
 			       ARRAY_SIZE(ar9271Common_9271), 2);
-		INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
-			       ar9287Common_normal_cck_fir_coeff_9287_1_1,
-			       ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1), 2);
-		INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
-			       ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
-			       ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1), 2);
-		INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
-			       ar9271Modes_9271_1_0_only,
-			       ARRAY_SIZE(ar9271Modes_9271_1_0_only), 5);
 		INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
 			       ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 5);
-		INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
-			       ar9271Modes_high_power_tx_gain_9271,
-			       ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 5);
-		INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
-			       ar9271Modes_normal_power_tx_gain_9271,
-			       ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 5);
 		return;
 	}
 
@@ -79,7 +64,7 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
 		INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
 			       ARRAY_SIZE(ar9280Common_9280_2), 2);
 
-		INIT_INI_ARRAY(&ah->iniModesAdditional,
+		INIT_INI_ARRAY(&ah->iniModesFastClock,
 			       ar9280Modes_fast_clock_9280_2,
 			       ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
 	} else if (AR_SREV_9160_10_OR_LATER(ah)) {
@@ -160,11 +145,6 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
 			INI_RA(addac, 31,1) = 0;
 		}
 	}
-}
-
-/* Support for Japan ch.14 (2484) spread */
-void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
-{
 	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniCckfirNormal,
 		       ar9287Common_normal_cck_fir_coeff_9287_1_1,
@@ -204,14 +184,10 @@ static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
 	}
 }
 
-static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
+static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah, u32 txgain_type)
 {
-	u32 txgain_type;
-
 	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
 	    AR5416_EEP_MINOR_VER_19) {
-		txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
-
 		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
 			INIT_INI_ARRAY(&ah->iniModesTxGain,
 			ar9280Modes_high_power_tx_gain_9280_2,
@@ -227,8 +203,22 @@ static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
 	}
 }
 
+static void ar9271_hw_init_txgain_ini(struct ath_hw *ah, u32 txgain_type)
+{
+	if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+			       ar9271Modes_high_power_tx_gain_9271,
+			       ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 5);
+	else
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+			       ar9271Modes_normal_power_tx_gain_9271,
+			       ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 5);
+}
+
 static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
 {
+	u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
+
 	if (AR_SREV_9287_11_OR_LATER(ah))
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
 		ar9287Modes_rx_gain_9287_1_1,
@@ -236,15 +226,15 @@ static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
 	else if (AR_SREV_9280_20(ah))
 		ar9280_20_hw_init_rxgain_ini(ah);
 
-	if (AR_SREV_9287_11_OR_LATER(ah)) {
+	if (AR_SREV_9271(ah)) {
+		ar9271_hw_init_txgain_ini(ah, txgain_type);
+	} else if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModesTxGain,
 		ar9287Modes_tx_gain_9287_1_1,
 		ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 5);
 	} else if (AR_SREV_9280_20(ah)) {
-		ar9280_20_hw_init_txgain_ini(ah);
+		ar9280_20_hw_init_txgain_ini(ah, txgain_type);
 	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
-		u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
-
 		/* txgain table */
 		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
 			if (AR_SREV_9285E_20(ah)) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
index d571c329ee59..4d18c66a6790 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
@@ -3092,12 +3092,6 @@ static const u32 ar9271Common_9271[][2] = {
 	{0x0000d384, 0xf3307ff0},
 };
 
-static const u32 ar9271Modes_9271_1_0_only[][5] = {
-	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
-	{0x00009910, 0x30002311, 0x30002311, 0x30002311, 0x30002311},
-	{0x00009828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001},
-};
-
 static const u32 ar9271Modes_9271_ANI_reg[][5] = {
 	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
 	{0x00009850, 0x6d4000e2, 0x6d4000e2, 0x6d4000e2, 0x6d4000e2},
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 7b6417b5212e..aa2abaf31cba 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -347,15 +347,12 @@ void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			  u32 size, u32 flags)
 {
 	struct ar5416_desc *ads = AR5416DESC(ds);
-	struct ath9k_hw_capabilities *pCap = &ah->caps;
 
 	ads->ds_ctl1 = size & AR_BufLen;
 	if (flags & ATH9K_RXDESC_INTREQ)
 		ads->ds_ctl1 |= AR_RxIntrReq;
 
-	ads->ds_rxstatus8 &= ~AR_RxDone;
-	if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
-		memset(&(ads->u), 0, sizeof(ads->u));
+	memset(&ads->u.rx, 0, sizeof(ads->u.rx));
 }
 EXPORT_SYMBOL(ath9k_hw_setuprxdesc);
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
index 453af6dc514b..f9eb2c357169 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
@@ -60,6 +60,8 @@
 #define AR_PHY_RF_CTL3                  0x9828
 #define AR_PHY_TX_END_TO_A2_RX_ON       0x00FF0000
 #define AR_PHY_TX_END_TO_A2_RX_ON_S     16
+#define AR_PHY_TX_END_TO_ADC_ON         0xFF000000
+#define AR_PHY_TX_END_TO_ADC_ON_S       24
 
 #define AR_PHY_ADC_CTL                  0x982C
 #define AR_PHY_ADC_CTL_OFF_INBUFGAIN    0x00000003
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
index 026f9de15d15..46c79a3d4737 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
@@ -295,266 +295,6 @@ static const u32 ar9300_2p2_radio_core[][2] = {
 	{0x00016bd4, 0x00000000},
 };
 
-static const u32 ar9300Common_rx_gain_table_merlin_2p2[][2] = {
-	/* Addr      allmodes  */
-	{0x0000a000, 0x02000101},
-	{0x0000a004, 0x02000102},
-	{0x0000a008, 0x02000103},
-	{0x0000a00c, 0x02000104},
-	{0x0000a010, 0x02000200},
-	{0x0000a014, 0x02000201},
-	{0x0000a018, 0x02000202},
-	{0x0000a01c, 0x02000203},
-	{0x0000a020, 0x02000204},
-	{0x0000a024, 0x02000205},
-	{0x0000a028, 0x02000208},
-	{0x0000a02c, 0x02000302},
-	{0x0000a030, 0x02000303},
-	{0x0000a034, 0x02000304},
-	{0x0000a038, 0x02000400},
-	{0x0000a03c, 0x02010300},
-	{0x0000a040, 0x02010301},
-	{0x0000a044, 0x02010302},
-	{0x0000a048, 0x02000500},
-	{0x0000a04c, 0x02010400},
-	{0x0000a050, 0x02020300},
-	{0x0000a054, 0x02020301},
-	{0x0000a058, 0x02020302},
-	{0x0000a05c, 0x02020303},
-	{0x0000a060, 0x02020400},
-	{0x0000a064, 0x02030300},
-	{0x0000a068, 0x02030301},
-	{0x0000a06c, 0x02030302},
-	{0x0000a070, 0x02030303},
-	{0x0000a074, 0x02030400},
-	{0x0000a078, 0x02040300},
-	{0x0000a07c, 0x02040301},
-	{0x0000a080, 0x02040302},
-	{0x0000a084, 0x02040303},
-	{0x0000a088, 0x02030500},
-	{0x0000a08c, 0x02040400},
-	{0x0000a090, 0x02050203},
-	{0x0000a094, 0x02050204},
-	{0x0000a098, 0x02050205},
-	{0x0000a09c, 0x02040500},
-	{0x0000a0a0, 0x02050301},
-	{0x0000a0a4, 0x02050302},
-	{0x0000a0a8, 0x02050303},
-	{0x0000a0ac, 0x02050400},
-	{0x0000a0b0, 0x02050401},
-	{0x0000a0b4, 0x02050402},
-	{0x0000a0b8, 0x02050403},
-	{0x0000a0bc, 0x02050500},
-	{0x0000a0c0, 0x02050501},
-	{0x0000a0c4, 0x02050502},
-	{0x0000a0c8, 0x02050503},
-	{0x0000a0cc, 0x02050504},
-	{0x0000a0d0, 0x02050600},
-	{0x0000a0d4, 0x02050601},
-	{0x0000a0d8, 0x02050602},
-	{0x0000a0dc, 0x02050603},
-	{0x0000a0e0, 0x02050604},
-	{0x0000a0e4, 0x02050700},
-	{0x0000a0e8, 0x02050701},
-	{0x0000a0ec, 0x02050702},
-	{0x0000a0f0, 0x02050703},
-	{0x0000a0f4, 0x02050704},
-	{0x0000a0f8, 0x02050705},
-	{0x0000a0fc, 0x02050708},
-	{0x0000a100, 0x02050709},
-	{0x0000a104, 0x0205070a},
-	{0x0000a108, 0x0205070b},
-	{0x0000a10c, 0x0205070c},
-	{0x0000a110, 0x0205070d},
-	{0x0000a114, 0x02050710},
-	{0x0000a118, 0x02050711},
-	{0x0000a11c, 0x02050712},
-	{0x0000a120, 0x02050713},
-	{0x0000a124, 0x02050714},
-	{0x0000a128, 0x02050715},
-	{0x0000a12c, 0x02050730},
-	{0x0000a130, 0x02050731},
-	{0x0000a134, 0x02050732},
-	{0x0000a138, 0x02050733},
-	{0x0000a13c, 0x02050734},
-	{0x0000a140, 0x02050735},
-	{0x0000a144, 0x02050750},
-	{0x0000a148, 0x02050751},
-	{0x0000a14c, 0x02050752},
-	{0x0000a150, 0x02050753},
-	{0x0000a154, 0x02050754},
-	{0x0000a158, 0x02050755},
-	{0x0000a15c, 0x02050770},
-	{0x0000a160, 0x02050771},
-	{0x0000a164, 0x02050772},
-	{0x0000a168, 0x02050773},
-	{0x0000a16c, 0x02050774},
-	{0x0000a170, 0x02050775},
-	{0x0000a174, 0x00000776},
-	{0x0000a178, 0x00000776},
-	{0x0000a17c, 0x00000776},
-	{0x0000a180, 0x00000776},
-	{0x0000a184, 0x00000776},
-	{0x0000a188, 0x00000776},
-	{0x0000a18c, 0x00000776},
-	{0x0000a190, 0x00000776},
-	{0x0000a194, 0x00000776},
-	{0x0000a198, 0x00000776},
-	{0x0000a19c, 0x00000776},
-	{0x0000a1a0, 0x00000776},
-	{0x0000a1a4, 0x00000776},
-	{0x0000a1a8, 0x00000776},
-	{0x0000a1ac, 0x00000776},
-	{0x0000a1b0, 0x00000776},
-	{0x0000a1b4, 0x00000776},
-	{0x0000a1b8, 0x00000776},
-	{0x0000a1bc, 0x00000776},
-	{0x0000a1c0, 0x00000776},
-	{0x0000a1c4, 0x00000776},
-	{0x0000a1c8, 0x00000776},
-	{0x0000a1cc, 0x00000776},
-	{0x0000a1d0, 0x00000776},
-	{0x0000a1d4, 0x00000776},
-	{0x0000a1d8, 0x00000776},
-	{0x0000a1dc, 0x00000776},
-	{0x0000a1e0, 0x00000776},
-	{0x0000a1e4, 0x00000776},
-	{0x0000a1e8, 0x00000776},
-	{0x0000a1ec, 0x00000776},
-	{0x0000a1f0, 0x00000776},
-	{0x0000a1f4, 0x00000776},
-	{0x0000a1f8, 0x00000776},
-	{0x0000a1fc, 0x00000776},
-	{0x0000b000, 0x02000101},
-	{0x0000b004, 0x02000102},
-	{0x0000b008, 0x02000103},
-	{0x0000b00c, 0x02000104},
-	{0x0000b010, 0x02000200},
-	{0x0000b014, 0x02000201},
-	{0x0000b018, 0x02000202},
-	{0x0000b01c, 0x02000203},
-	{0x0000b020, 0x02000204},
-	{0x0000b024, 0x02000205},
-	{0x0000b028, 0x02000208},
-	{0x0000b02c, 0x02000302},
-	{0x0000b030, 0x02000303},
-	{0x0000b034, 0x02000304},
-	{0x0000b038, 0x02000400},
-	{0x0000b03c, 0x02010300},
-	{0x0000b040, 0x02010301},
-	{0x0000b044, 0x02010302},
-	{0x0000b048, 0x02000500},
-	{0x0000b04c, 0x02010400},
-	{0x0000b050, 0x02020300},
-	{0x0000b054, 0x02020301},
-	{0x0000b058, 0x02020302},
-	{0x0000b05c, 0x02020303},
-	{0x0000b060, 0x02020400},
-	{0x0000b064, 0x02030300},
-	{0x0000b068, 0x02030301},
-	{0x0000b06c, 0x02030302},
-	{0x0000b070, 0x02030303},
-	{0x0000b074, 0x02030400},
-	{0x0000b078, 0x02040300},
-	{0x0000b07c, 0x02040301},
-	{0x0000b080, 0x02040302},
-	{0x0000b084, 0x02040303},
-	{0x0000b088, 0x02030500},
-	{0x0000b08c, 0x02040400},
-	{0x0000b090, 0x02050203},
-	{0x0000b094, 0x02050204},
-	{0x0000b098, 0x02050205},
-	{0x0000b09c, 0x02040500},
-	{0x0000b0a0, 0x02050301},
-	{0x0000b0a4, 0x02050302},
-	{0x0000b0a8, 0x02050303},
-	{0x0000b0ac, 0x02050400},
-	{0x0000b0b0, 0x02050401},
-	{0x0000b0b4, 0x02050402},
-	{0x0000b0b8, 0x02050403},
-	{0x0000b0bc, 0x02050500},
-	{0x0000b0c0, 0x02050501},
-	{0x0000b0c4, 0x02050502},
-	{0x0000b0c8, 0x02050503},
-	{0x0000b0cc, 0x02050504},
-	{0x0000b0d0, 0x02050600},
-	{0x0000b0d4, 0x02050601},
-	{0x0000b0d8, 0x02050602},
-	{0x0000b0dc, 0x02050603},
-	{0x0000b0e0, 0x02050604},
-	{0x0000b0e4, 0x02050700},
-	{0x0000b0e8, 0x02050701},
-	{0x0000b0ec, 0x02050702},
-	{0x0000b0f0, 0x02050703},
-	{0x0000b0f4, 0x02050704},
-	{0x0000b0f8, 0x02050705},
-	{0x0000b0fc, 0x02050708},
-	{0x0000b100, 0x02050709},
-	{0x0000b104, 0x0205070a},
-	{0x0000b108, 0x0205070b},
-	{0x0000b10c, 0x0205070c},
-	{0x0000b110, 0x0205070d},
-	{0x0000b114, 0x02050710},
-	{0x0000b118, 0x02050711},
-	{0x0000b11c, 0x02050712},
-	{0x0000b120, 0x02050713},
-	{0x0000b124, 0x02050714},
-	{0x0000b128, 0x02050715},
-	{0x0000b12c, 0x02050730},
-	{0x0000b130, 0x02050731},
-	{0x0000b134, 0x02050732},
-	{0x0000b138, 0x02050733},
-	{0x0000b13c, 0x02050734},
-	{0x0000b140, 0x02050735},
-	{0x0000b144, 0x02050750},
-	{0x0000b148, 0x02050751},
-	{0x0000b14c, 0x02050752},
-	{0x0000b150, 0x02050753},
-	{0x0000b154, 0x02050754},
-	{0x0000b158, 0x02050755},
-	{0x0000b15c, 0x02050770},
-	{0x0000b160, 0x02050771},
-	{0x0000b164, 0x02050772},
-	{0x0000b168, 0x02050773},
-	{0x0000b16c, 0x02050774},
-	{0x0000b170, 0x02050775},
-	{0x0000b174, 0x00000776},
-	{0x0000b178, 0x00000776},
-	{0x0000b17c, 0x00000776},
-	{0x0000b180, 0x00000776},
-	{0x0000b184, 0x00000776},
-	{0x0000b188, 0x00000776},
-	{0x0000b18c, 0x00000776},
-	{0x0000b190, 0x00000776},
-	{0x0000b194, 0x00000776},
-	{0x0000b198, 0x00000776},
-	{0x0000b19c, 0x00000776},
-	{0x0000b1a0, 0x00000776},
-	{0x0000b1a4, 0x00000776},
-	{0x0000b1a8, 0x00000776},
-	{0x0000b1ac, 0x00000776},
-	{0x0000b1b0, 0x00000776},
-	{0x0000b1b4, 0x00000776},
-	{0x0000b1b8, 0x00000776},
-	{0x0000b1bc, 0x00000776},
-	{0x0000b1c0, 0x00000776},
-	{0x0000b1c4, 0x00000776},
-	{0x0000b1c8, 0x00000776},
-	{0x0000b1cc, 0x00000776},
-	{0x0000b1d0, 0x00000776},
-	{0x0000b1d4, 0x00000776},
-	{0x0000b1d8, 0x00000776},
-	{0x0000b1dc, 0x00000776},
-	{0x0000b1e0, 0x00000776},
-	{0x0000b1e4, 0x00000776},
-	{0x0000b1e8, 0x00000776},
-	{0x0000b1ec, 0x00000776},
-	{0x0000b1f0, 0x00000776},
-	{0x0000b1f4, 0x00000776},
-	{0x0000b1f8, 0x00000776},
-	{0x0000b1fc, 0x00000776},
-};
-
 static const u32 ar9300_2p2_mac_postamble[][5] = {
 	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
 	{0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160},
@@ -572,48 +312,6 @@ static const u32 ar9300_2p2_soc_postamble[][5] = {
 	{0x00007010, 0x00000023, 0x00000023, 0x00000023, 0x00000023},
 };
 
-static const u32 ar9200_merlin_2p2_radio_core[][2] = {
-	/* Addr      allmodes  */
-	{0x00007800, 0x00040000},
-	{0x00007804, 0xdb005012},
-	{0x00007808, 0x04924914},
-	{0x0000780c, 0x21084210},
-	{0x00007810, 0x6d801300},
-	{0x00007814, 0x0019beff},
-	{0x00007818, 0x07e41000},
-	{0x0000781c, 0x00392000},
-	{0x00007820, 0x92592480},
-	{0x00007824, 0x00040000},
-	{0x00007828, 0xdb005012},
-	{0x0000782c, 0x04924914},
-	{0x00007830, 0x21084210},
-	{0x00007834, 0x6d801300},
-	{0x00007838, 0x0019beff},
-	{0x0000783c, 0x07e40000},
-	{0x00007840, 0x00392000},
-	{0x00007844, 0x92592480},
-	{0x00007848, 0x00100000},
-	{0x0000784c, 0x773f0567},
-	{0x00007850, 0x54214514},
-	{0x00007854, 0x12035828},
-	{0x00007858, 0x92592692},
-	{0x0000785c, 0x00000000},
-	{0x00007860, 0x56400000},
-	{0x00007864, 0x0a8e370e},
-	{0x00007868, 0xc0102850},
-	{0x0000786c, 0x812d4000},
-	{0x00007870, 0x807ec400},
-	{0x00007874, 0x001b6db0},
-	{0x00007878, 0x00376b63},
-	{0x0000787c, 0x06db6db6},
-	{0x00007880, 0x006d8000},
-	{0x00007884, 0xffeffffe},
-	{0x00007888, 0xffeffffe},
-	{0x0000788c, 0x00010000},
-	{0x00007890, 0x02060aeb},
-	{0x00007894, 0x5a108000},
-};
-
 static const u32 ar9300_2p2_baseband_postamble[][5] = {
 	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
 	{0x00009810, 0xd00a8005, 0xd00a8005, 0xd00a8011, 0xd00a8011},
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
index 7b4aa000cc2e..0f56e322dd3b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
@@ -87,11 +87,11 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 
 		/* additional clock settings */
 		if (ah->is_clk_25mhz)
-			INIT_INI_ARRAY(&ah->iniModesAdditional,
+			INIT_INI_ARRAY(&ah->iniAdditional,
 					ar9331_1p1_xtal_25M,
 					ARRAY_SIZE(ar9331_1p1_xtal_25M), 2);
 		else
-			INIT_INI_ARRAY(&ah->iniModesAdditional,
+			INIT_INI_ARRAY(&ah->iniAdditional,
 					ar9331_1p1_xtal_40M,
 					ARRAY_SIZE(ar9331_1p1_xtal_40M), 2);
 	} else if (AR_SREV_9330_12(ah)) {
@@ -140,11 +140,11 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 
 		/* additional clock settings */
 		if (ah->is_clk_25mhz)
-			INIT_INI_ARRAY(&ah->iniModesAdditional,
+			INIT_INI_ARRAY(&ah->iniAdditional,
 					ar9331_1p2_xtal_25M,
 					ARRAY_SIZE(ar9331_1p2_xtal_25M), 2);
 		else
-			INIT_INI_ARRAY(&ah->iniModesAdditional,
+			INIT_INI_ARRAY(&ah->iniAdditional,
 					ar9331_1p2_xtal_40M,
 					ARRAY_SIZE(ar9331_1p2_xtal_40M), 2);
 	} else if (AR_SREV_9340(ah)) {
@@ -194,15 +194,16 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 				ARRAY_SIZE(ar9340Modes_high_ob_db_tx_gain_table_1p0),
 				5);
 
-		INIT_INI_ARRAY(&ah->iniModesAdditional,
+		INIT_INI_ARRAY(&ah->iniModesFastClock,
 				ar9340Modes_fast_clock_1p0,
 				ARRAY_SIZE(ar9340Modes_fast_clock_1p0),
 				3);
 
-		INIT_INI_ARRAY(&ah->iniModesAdditional_40M,
-				ar9340_1p0_radio_core_40M,
-				ARRAY_SIZE(ar9340_1p0_radio_core_40M),
-				2);
+		if (!ah->is_clk_25mhz)
+			INIT_INI_ARRAY(&ah->iniAdditional,
+				       ar9340_1p0_radio_core_40M,
+				       ARRAY_SIZE(ar9340_1p0_radio_core_40M),
+				       2);
 	} else if (AR_SREV_9485_11(ah)) {
 		/* mac */
 		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
@@ -321,7 +322,7 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 				2);
 
 		/* Fast clock modal settings */
-		INIT_INI_ARRAY(&ah->iniModesAdditional,
+		INIT_INI_ARRAY(&ah->iniModesFastClock,
 				ar9462_modes_fast_clock_2p0,
 				ARRAY_SIZE(ar9462_modes_fast_clock_2p0), 3);
 
@@ -378,7 +379,7 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 				ARRAY_SIZE(ar9580_1p0_low_ob_db_tx_gain_table),
 				5);
 
-		INIT_INI_ARRAY(&ah->iniModesAdditional,
+		INIT_INI_ARRAY(&ah->iniModesFastClock,
 				ar9580_1p0_modes_fast_clock,
 				ARRAY_SIZE(ar9580_1p0_modes_fast_clock),
 				3);
@@ -445,7 +446,7 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 				2);
 
 		/* Fast clock modal settings */
-		INIT_INI_ARRAY(&ah->iniModesAdditional,
+		INIT_INI_ARRAY(&ah->iniModesFastClock,
 				ar9300Modes_fast_clock_2p2,
 				ARRAY_SIZE(ar9300Modes_fast_clock_2p2),
 				3);
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 8d1bca03bc0e..a66a13b76848 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 				 struct ath_tx_status *ts)
 {
-	struct ar9003_txc *txc = (struct ar9003_txc *) ds;
 	struct ar9003_txs *ads;
 	u32 status;
 
@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 	if ((status & AR_TxDone) == 0)
 		return -EINPROGRESS;
 
-	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-	if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
-		ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-	else
-		return -ENOENT;
+	ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
 
 	if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
 	    (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 	ts->ts_seqnum = MS(status, AR_SeqNum);
 	ts->tid = MS(status, AR_TxTid);
 
+	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
 	ts->desc_id = MS(ads->status1, AR_TxDescId);
 	ts->ts_tstamp = ads->status4;
 	ts->ts_status = 0;
@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
 	struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
 	unsigned int phyerr;
 
-	/* TODO: byte swap on big endian for ar9300_10 */
-
-	if (!rxs) {
-		if ((rxsp->status11 & AR_RxDone) == 0)
-			return -EINPROGRESS;
-
-		if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
-			return -EINVAL;
+	if ((rxsp->status11 & AR_RxDone) == 0)
+		return -EINPROGRESS;
 
-		if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
-			return -EINPROGRESS;
+	if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
+		return -EINVAL;
 
-		return 0;
-	}
+	if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
+		return -EINPROGRESS;
 
 	rxs->rs_status = 0;
 	rxs->rs_flags =  0;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 70e27d2a5e43..bc992b237ae5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -679,18 +679,17 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
 	 * different modal values.
 	 */
 	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional,
+		REG_WRITE_ARRAY(&ah->iniModesFastClock,
 				modesIndex, regWrites);
 
-	if (AR_SREV_9330(ah))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
-
-	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
-		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+	REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites);
 
 	if (AR_SREV_9462(ah))
 		ar9003_hw_prog_ini(ah, &ah->ini_BTCOEX_MAX_TXPWR, 1);
 
+	if (chan->channel == 2484)
+		ar9003_hw_prog_ini(ah, &ah->ini_japan2484, 1);
+
 	ah->modes_index = modesIndex;
 	ar9003_hw_override_ini(ah);
 	ar9003_hw_set_channel_regs(ah, chan);
@@ -1320,13 +1319,9 @@ static int ar9003_hw_fast_chan_change(struct ath_hw *ah,
 	 * different modal values.
 	 */
 	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites);
-
-	if (AR_SREV_9330(ah))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
+		REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex, regWrites);
 
-	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
-		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+	REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites);
 
 	ah->modes_index = modesIndex;
 	*ini_reloaded = true;
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index c2ccba676eca..8c84049682ab 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -299,7 +299,6 @@ struct ath_tx {
 
 struct ath_rx_edma {
 	struct sk_buff_head rx_fifo;
-	struct sk_buff_head rx_buffers;
 	u32 rx_fifo_hwsize;
 };
 
@@ -584,19 +583,13 @@ struct ath_ant_comb {
 
 #define SC_OP_INVALID                BIT(0)
 #define SC_OP_BEACONS                BIT(1)
-#define SC_OP_RXAGGR                 BIT(2)
-#define SC_OP_TXAGGR                 BIT(3)
-#define SC_OP_OFFCHANNEL             BIT(4)
-#define SC_OP_PREAMBLE_SHORT         BIT(5)
-#define SC_OP_PROTECT_ENABLE         BIT(6)
-#define SC_OP_RXFLUSH                BIT(7)
-#define SC_OP_LED_ASSOCIATED         BIT(8)
-#define SC_OP_LED_ON                 BIT(9)
-#define SC_OP_TSF_RESET              BIT(11)
-#define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
-#define SC_OP_BT_SCAN		     BIT(13)
-#define SC_OP_ANI_RUN		     BIT(14)
-#define SC_OP_PRIM_STA_VIF	     BIT(15)
+#define SC_OP_OFFCHANNEL             BIT(2)
+#define SC_OP_RXFLUSH                BIT(3)
+#define SC_OP_TSF_RESET              BIT(4)
+#define SC_OP_BT_PRIORITY_DETECTED   BIT(5)
+#define SC_OP_BT_SCAN                BIT(6)
+#define SC_OP_ANI_RUN                BIT(7)
+#define SC_OP_PRIM_STA_VIF           BIT(8)
 
 /* Powersave flags */
 #define PS_WAIT_FOR_BEACON        BIT(0)
@@ -618,15 +611,12 @@ struct ath9k_vif_iter_data {
 	int nstations; /* number of station vifs */
 	int nwds;      /* number of WDS vifs */
 	int nadhocs;   /* number of adhoc vifs */
-	int nothers;   /* number of vifs not specified above. */
 };
 
 struct ath_softc {
 	struct ieee80211_hw *hw;
 	struct device *dev;
 
-	int chan_idx;
-	int chan_is_ht;
 	struct survey_info *cur_survey;
 	struct survey_info survey[ATH9K_NUM_CHANNELS];
 
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index b8967e482e6e..626418222c85 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -67,7 +67,7 @@ int ath_beaconq_config(struct ath_softc *sc)
  *  up rate codes, and channel flags. Beacons are always sent out at the
  *  lowest rate, and are not retried.
 */
-static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
+static void ath_beacon_setup(struct ath_softc *sc, struct ieee80211_vif *vif,
 			     struct ath_buf *bf, int rateidx)
 {
 	struct sk_buff *skb = bf->bf_mpdu;
@@ -82,7 +82,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 
 	sband = &sc->sbands[common->hw->conf.channel->band];
 	rate = sband->bitrates[rateidx].hw_value;
-	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
+	if (vif->bss_conf.use_short_preamble)
 		rate |= sband->bitrates[rateidx].hw_value_short;
 
 	memset(&info, 0, sizeof(info));
@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 	info.txpower = MAX_RATE_POWER;
 	info.keyix = ATH9K_TXKEYIX_INVALID;
 	info.keytype = ATH9K_KEY_TYPE_CLEAR;
-	info.flags = ATH9K_TXDESC_NOACK;
+	info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
 
 	info.buf_addr[0] = bf->bf_buf_addr;
 	info.buf_len[0] = roundup(skb->len, 4);
@@ -209,7 +209,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 		}
 	}
 
-	ath_beacon_setup(sc, avp, bf, info->control.rates[0].idx);
+	ath_beacon_setup(sc, vif, bf, info->control.rates[0].idx);
 
 	while (skb) {
 		ath_tx_cabq(hw, skb);
@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long data)
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf = NULL;
 	struct ieee80211_vif *vif;
-	struct ath_tx_status ts;
 	bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	int slot;
 	u32 bfaddr, bc = 0;
@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long data)
 			ath9k_hw_txstart(ah, sc->beacon.beaconq);
 
 		sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
-		if (edma) {
-			spin_lock_bh(&sc->sc_pcu_lock);
-			ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
-			spin_unlock_bh(&sc->sc_pcu_lock);
-		}
 	}
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 228c18189a3a..35d1c8e91d1c 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -738,9 +738,9 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
-			" ADHOC: %i OTHER: %i TOTAL: %hi BEACON-VIF: %hi\n",
+			" ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 			iter_data.naps, iter_data.nstations, iter_data.nmeshes,
-			iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
+			iter_data.nwds, iter_data.nadhocs,
 			sc->nvifs, sc->nbcnvifs);
 
 	if (len > sizeof(buf))
@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 	if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 		TX_STAT_INC(qnum, delim_underrun);
 
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	spin_lock(&sc->debug.samp_lock);
 	TX_SAMP_DBG(jiffies) = jiffies;
 	TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 
 	sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
 	spin_unlock(&sc->debug.samp_lock);
+#endif
 
 #undef TX_SAMP_DBG
 }
@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 
 	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-CTL0",
-			sc->debug.stats.rxstats.rs_rssi_ctl0);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-CTL1",
-			sc->debug.stats.rxstats.rs_rssi_ctl1);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-CTL2",
-			sc->debug.stats.rxstats.rs_rssi_ctl2);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-EXT0",
-			sc->debug.stats.rxstats.rs_rssi_ext0);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-EXT1",
-			sc->debug.stats.rxstats.rs_rssi_ext1);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "RSSI-EXT2",
-			sc->debug.stats.rxstats.rs_rssi_ext2);
-	len += snprintf(buf + len, size - len,
-			"%22s : %10d\n", "Rx Antenna",
-			sc->debug.stats.rxstats.rs_antenna);
-	len += snprintf(buf + len, size - len,
 			"%22s : %10u\n", "RX-Pkts-All",
 			sc->debug.stats.rxstats.rx_pkts_all);
 	len += snprintf(buf + len, size - len,
@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 			RX_PHY_ERR_INC(rs->rs_phyerr);
 	}
 
-	sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
-	sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
-	sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
-
-	sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
-	sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
-	sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
-
-	sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
-
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	spin_lock(&sc->debug.samp_lock);
 	RX_SAMP_DBG(jiffies) = jiffies;
 	RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 	sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
 	spin_unlock(&sc->debug.samp_lock);
 
+#endif
+
 #undef RX_STAT_INC
 #undef RX_PHY_ERR_INC
 #undef RX_SAMP_DBG
@@ -1278,6 +1252,8 @@ static const struct file_operations fops_modal_eeprom = {
 	.llseek = default_llseek,
 };
 
+#ifdef CONFIG_ATH9K_MAC_DEBUG
+
 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
 {
 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
@@ -1551,6 +1527,7 @@ static const struct file_operations fops_samps = {
 	.llseek = default_llseek,
 };
 
+#endif
 
 int ath9k_init_debug(struct ath_hw *ah)
 {
@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &fops_base_eeprom);
 	debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_modal_eeprom);
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_samps);
+#endif
 
 	debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
 			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 776a24ada600..64fcfad467bf 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -165,13 +165,6 @@ struct ath_rx_stats {
 	u32 post_delim_crc_err;
 	u32 decrypt_busy_err;
 	u32 phy_err_stats[ATH9K_PHYERR_MAX];
-	int8_t rs_rssi_ctl0;
-	int8_t rs_rssi_ctl1;
-	int8_t rs_rssi_ctl2;
-	int8_t rs_rssi_ext0;
-	int8_t rs_rssi_ext1;
-	int8_t rs_rssi_ext2;
-	u8 rs_antenna;
 };
 
 enum ath_reset_type {
@@ -235,16 +228,17 @@ struct ath9k_debug {
 	struct dentry *debugfs_phy;
 	u32 regidx;
 	struct ath_stats stats;
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	spinlock_t samp_lock;
 	struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
 	u8 sampidx;
 	u8 tsidx;
 	u8 rsidx;
+#endif
 };
 
 int ath9k_init_debug(struct ath_hw *ah);
 
-void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		       struct ath_tx_status *ts, struct ath_txq *txq,
@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struct ath_hw *ah)
 	return 0;
 }
 
-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
-{
-}
-
 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
 					    enum ath9k_int status)
 {
@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(struct ath_softc *sc,
 
 #endif /* CONFIG_ATH9K_DEBUGFS */
 
+#ifdef CONFIG_ATH9K_MAC_DEBUG
+
+void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
+
+#else
+
+static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+{
+}
+
+#endif
+
+
 #endif /* DEBUG_H */
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 63e4c4b1cb3d..fbe23de1297f 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -362,7 +362,8 @@ void ath9k_stop_btcoex(struct ath_softc *sc)
 		ath9k_hw_btcoex_disable(ah);
 		if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_pause(sc);
-		ath_mci_flush_profile(&sc->btcoex.mci);
+		if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_MCI)
+			ath_mci_flush_profile(&sc->btcoex.mci);
 	}
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 2a29a7cdef18..2b8f61c210e1 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -919,7 +919,6 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
 	/* setup initial channel */
 	init_channel = ath9k_cmn_get_curchannel(hw, ah);
 
-	ath9k_hw_htc_resetinit(ah);
 	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
 	if (ret) {
 		ath_err(common,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8c840cad3ac2..3022c4e4d103 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -449,6 +449,7 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->slottime = ATH9K_SLOT_TIME_9;
 	ah->globaltxtimeout = (u32) -1;
 	ah->power_mode = ATH9K_PM_UNDEFINED;
+	ah->htc_reset_init = true;
 }
 
 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
@@ -555,7 +556,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 		return -EIO;
 	}
 
-	if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
+	if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
 		if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
 		    ((AR_SREV_9160(ah) || AR_SREV_9280(ah)) &&
 		     !ah->is_pciexpress)) {
@@ -619,9 +620,6 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 	if (!ah->is_pciexpress)
 		ath9k_hw_disablepcie(ah);
 
-	if (!AR_SREV_9300_20_OR_LATER(ah))
-		ar9002_hw_cck_chan14_spread(ah);
-
 	r = ath9k_hw_post_init(ah);
 	if (r)
 		return r;
@@ -1386,10 +1384,16 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
 static bool ath9k_hw_chip_reset(struct ath_hw *ah,
 				struct ath9k_channel *chan)
 {
-	if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
-		if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
-			return false;
-	} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
+	int reset_type = ATH9K_RESET_WARM;
+
+	if (AR_SREV_9280(ah)) {
+		if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+			reset_type = ATH9K_RESET_POWER_ON;
+		else
+			reset_type = ATH9K_RESET_COLD;
+	}
+
+	if (!ath9k_hw_set_reset_reg(ah, reset_type))
 		return false;
 
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
@@ -1515,17 +1519,81 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
 }
 EXPORT_SYMBOL(ath9k_hw_check_alive);
 
+/*
+ * Fast channel change:
+ * (Change synthesizer based on channel freq without resetting chip)
+ *
+ * Don't do FCC when
+ *   - Flag is not set
+ *   - Chip is just coming out of full sleep
+ *   - Channel to be set is same as current channel
+ *   - Channel flags are different, (eg.,moving from 2GHz to 5GHz channel)
+ */
+static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	int ret;
+
+	if (AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI)
+		goto fail;
+
+	if (ah->chip_fullsleep)
+		goto fail;
+
+	if (!ah->curchan)
+		goto fail;
+
+	if (chan->channel == ah->curchan->channel)
+		goto fail;
+
+	if ((chan->channelFlags & CHANNEL_ALL) !=
+	    (ah->curchan->channelFlags & CHANNEL_ALL))
+		goto fail;
+
+	if (!ath9k_hw_check_alive(ah))
+		goto fail;
+
+	/*
+	 * For AR9462, make sure that calibration data for
+	 * re-using are present.
+	 */
+	if (AR_SREV_9462(ah) && (!ah->caldata ||
+				 !ah->caldata->done_txiqcal_once ||
+				 !ah->caldata->done_txclcal_once ||
+				 !ah->caldata->rtt_hist.num_readings))
+		goto fail;
+
+	ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n",
+		ah->curchan->channel, chan->channel);
+
+	ret = ath9k_hw_channel_change(ah, chan);
+	if (!ret)
+		goto fail;
+
+	ath9k_hw_loadnf(ah, ah->curchan);
+	ath9k_hw_start_nfcal(ah, true);
+
+	if ((ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && ar9003_mci_is_ready(ah))
+		ar9003_mci_2g5g_switch(ah, true);
+
+	if (AR_SREV_9271(ah))
+		ar9002_hw_load_ani_reg(ah, chan);
+
+	return 0;
+fail:
+	return -EINVAL;
+}
+
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
-		   struct ath9k_hw_cal_data *caldata, bool bChannelChange)
+		   struct ath9k_hw_cal_data *caldata, bool fastcc)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 	u32 saveLedState;
-	struct ath9k_channel *curchan = ah->curchan;
 	u32 saveDefAntenna;
 	u32 macStaId1;
 	u64 tsf = 0;
 	int i, r;
-	bool allow_fbs = false, start_mci_reset = false;
+	bool start_mci_reset = false;
 	bool mci = !!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI);
 	bool save_fullsleep = ah->chip_fullsleep;
 
@@ -1538,8 +1606,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return -EIO;
 
-	if (curchan && !ah->chip_fullsleep)
-		ath9k_hw_getnf(ah, curchan);
+	if (ah->curchan && !ah->chip_fullsleep)
+		ath9k_hw_getnf(ah, ah->curchan);
 
 	ah->caldata = caldata;
 	if (caldata &&
@@ -1552,32 +1620,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	}
 	ah->noise = ath9k_hw_getchan_noise(ah, chan);
 
-	if (AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI)
-		bChannelChange = false;
-
-	if (caldata &&
-	    caldata->done_txiqcal_once &&
-	    caldata->done_txclcal_once &&
-	    caldata->rtt_hist.num_readings)
-		allow_fbs = true;
-
-	if (bChannelChange &&
-	    (ah->chip_fullsleep != true) &&
-	    (ah->curchan != NULL) &&
-	    (chan->channel != ah->curchan->channel) &&
-	    (allow_fbs ||
-	     ((chan->channelFlags & CHANNEL_ALL) ==
-	      (ah->curchan->channelFlags & CHANNEL_ALL)))) {
-		if (ath9k_hw_channel_change(ah, chan)) {
-			ath9k_hw_loadnf(ah, ah->curchan);
-			ath9k_hw_start_nfcal(ah, true);
-			if (mci && ar9003_mci_is_ready(ah))
-				ar9003_mci_2g5g_switch(ah, true);
-
-			if (AR_SREV_9271(ah))
-				ar9002_hw_load_ani_reg(ah, chan);
-			return 0;
-		}
+	if (fastcc) {
+		r = ath9k_hw_do_fastcc(ah, chan);
+		if (!r)
+			return r;
 	}
 
 	if (mci)
@@ -2384,8 +2430,17 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		if (AR_SREV_9485_OR_LATER(ah))
 			ah->enabled_cals |= TX_IQ_ON_AGC_CAL;
 	}
-	if (AR_SREV_9462(ah))
-		pCap->hw_caps |= ATH9K_HW_CAP_RTT | ATH9K_HW_CAP_MCI;
+
+	if (AR_SREV_9462(ah)) {
+
+		if (!(ah->ent_mode & AR_ENT_OTP_49GHZ_DISABLE))
+			pCap->hw_caps |= ATH9K_HW_CAP_MCI;
+
+		if (AR_SREV_9462_20(ah))
+			pCap->hw_caps |= ATH9K_HW_CAP_RTT;
+
+	}
+
 
 	return 0;
 }
@@ -2511,12 +2566,6 @@ void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
 }
 EXPORT_SYMBOL(ath9k_hw_set_gpio);
 
-u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
-{
-	return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
-}
-EXPORT_SYMBOL(ath9k_hw_getdefantenna);
-
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
 {
 	REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
@@ -2574,6 +2623,7 @@ bool ath9k_hw_phy_disable(struct ath_hw *ah)
 		return false;
 
 	ath9k_hw_init_pll(ah, NULL);
+	ah->htc_reset_init = true;
 	return true;
 }
 EXPORT_SYMBOL(ath9k_hw_phy_disable);
@@ -2934,12 +2984,6 @@ EXPORT_SYMBOL(ath_gen_timer_isr);
 /* HTC  */
 /********/
 
-void ath9k_hw_htc_resetinit(struct ath_hw *ah)
-{
-	ah->htc_reset_init = true;
-}
-EXPORT_SYMBOL(ath9k_hw_htc_resetinit);
-
 static struct {
 	u32 version;
 	const char * name;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 1707137e0a30..aa1680a0c7fd 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -827,19 +827,14 @@ struct ath_hw {
 	struct ar5416IniArray iniAddac;
 	struct ar5416IniArray iniPcieSerdes;
 	struct ar5416IniArray iniPcieSerdesLowPower;
-	struct ar5416IniArray iniModesAdditional;
-	struct ar5416IniArray iniModesAdditional_40M;
+	struct ar5416IniArray iniModesFastClock;
+	struct ar5416IniArray iniAdditional;
 	struct ar5416IniArray iniModesRxGain;
 	struct ar5416IniArray iniModesTxGain;
-	struct ar5416IniArray iniModes_9271_1_0_only;
 	struct ar5416IniArray iniCckfirNormal;
 	struct ar5416IniArray iniCckfirJapan2484;
 	struct ar5416IniArray ini_japan2484;
-	struct ar5416IniArray iniCommon_normal_cck_fir_coeff_9271;
-	struct ar5416IniArray iniCommon_japan_2484_cck_fir_coeff_9271;
 	struct ar5416IniArray iniModes_9271_ANI_reg;
-	struct ar5416IniArray iniModes_high_power_tx_gain_9271;
-	struct ar5416IniArray iniModes_normal_power_tx_gain_9271;
 	struct ar5416IniArray ini_radio_post_sys2ant;
 	struct ar5416IniArray ini_BTCOEX_MAX_TXPWR;
 
@@ -924,7 +919,7 @@ const char *ath9k_hw_probe(u16 vendorid, u16 devid);
 void ath9k_hw_deinit(struct ath_hw *ah);
 int ath9k_hw_init(struct ath_hw *ah);
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
-		   struct ath9k_hw_cal_data *caldata, bool bChannelChange);
+		   struct ath9k_hw_cal_data *caldata, bool fastcc);
 int ath9k_hw_fill_cap_info(struct ath_hw *ah);
 u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
 
@@ -934,7 +929,6 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio);
 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 			 u32 ah_signal_type);
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
-u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
 
 /* General Operation */
@@ -988,9 +982,6 @@ void ath_gen_timer_isr(struct ath_hw *hw);
 
 void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len);
 
-/* HTC */
-void ath9k_hw_htc_resetinit(struct ath_hw *ah);
-
 /* PHY */
 void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
 				   u32 *coef_mantissa, u32 *coef_exponent);
@@ -1000,7 +991,6 @@ void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan);
  * Code Specific to AR5008, AR9001 or AR9002,
  * we stuff these here to avoid callbacks for AR9003.
  */
-void ar9002_hw_cck_chan14_spread(struct ath_hw *ah);
 int ar9002_hw_rf_claim(struct ath_hw *ah);
 void ar9002_hw_enable_async_fifo(struct ath_hw *ah);
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index d8b05961f7e3..60159f4ee532 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -172,7 +172,7 @@ static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
-	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+	if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_ON) {
 		unsigned long flags;
 		spin_lock_irqsave(&sc->sc_serial_rw, flags);
 		iowrite32(val, sc->mem + reg_offset);
@@ -188,7 +188,7 @@ static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
 	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	u32 val;
 
-	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+	if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_ON) {
 		unsigned long flags;
 		spin_lock_irqsave(&sc->sc_serial_rw, flags);
 		val = ioread32(sc->mem + reg_offset);
@@ -219,7 +219,7 @@ static unsigned int ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 cl
 	unsigned long uninitialized_var(flags);
 	u32 val;
 
-	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+	if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_ON) {
 		spin_lock_irqsave(&sc->sc_serial_rw, flags);
 		val = __ath9k_reg_rmw(sc, reg_offset, set, clr);
 		spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
@@ -484,19 +484,11 @@ static void ath9k_init_misc(struct ath_softc *sc)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int i = 0;
+
 	setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
 
 	sc->config.txpowlimit = ATH_TXPOWER_MAX;
-
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
-		sc->sc_flags |= SC_OP_TXAGGR;
-		sc->sc_flags |= SC_OP_RXAGGR;
-	}
-
-	sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
-
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
-
 	sc->beacon.slottime = ATH9K_SLOT_TIME_9;
 
 	for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
@@ -555,9 +547,11 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
 	mutex_init(&sc->mutex);
 #ifdef CONFIG_ATH9K_DEBUGFS
 	spin_lock_init(&sc->nodes_lock);
-	spin_lock_init(&sc->debug.samp_lock);
 	INIT_LIST_HEAD(&sc->nodes);
 #endif
+#ifdef CONFIG_ATH9K_MAC_DEBUG
+	spin_lock_init(&sc->debug.samp_lock);
+#endif
 	tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
 	tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
 		     (unsigned long)sc);
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index e196aba77acf..f7bd2532269c 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -185,13 +185,6 @@ bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q)
 }
 EXPORT_SYMBOL(ath9k_hw_stop_dma_queue);
 
-void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs)
-{
-	*txqs &= ah->intr_txqs;
-	ah->intr_txqs &= ~(*txqs);
-}
-EXPORT_SYMBOL(ath9k_hw_gettxintrtxqs);
-
 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 			    const struct ath9k_tx_queue_info *qinfo)
 {
@@ -340,6 +333,15 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 }
 EXPORT_SYMBOL(ath9k_hw_setuptxqueue);
 
+static void ath9k_hw_clear_queue_interrupts(struct ath_hw *ah, u32 q)
+{
+	ah->txok_interrupt_mask &= ~(1 << q);
+	ah->txerr_interrupt_mask &= ~(1 << q);
+	ah->txdesc_interrupt_mask &= ~(1 << q);
+	ah->txeol_interrupt_mask &= ~(1 << q);
+	ah->txurn_interrupt_mask &= ~(1 << q);
+}
+
 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -354,11 +356,7 @@ bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 	ath_dbg(common, QUEUE, "Release TX queue: %u\n", q);
 
 	qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
-	ah->txok_interrupt_mask &= ~(1 << q);
-	ah->txerr_interrupt_mask &= ~(1 << q);
-	ah->txdesc_interrupt_mask &= ~(1 << q);
-	ah->txeol_interrupt_mask &= ~(1 << q);
-	ah->txurn_interrupt_mask &= ~(1 << q);
+	ath9k_hw_clear_queue_interrupts(ah, q);
 	ath9k_hw_set_txq_interrupts(ah, qi);
 
 	return true;
@@ -510,26 +508,17 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 	if (AR_SREV_9300_20_OR_LATER(ah))
 		REG_WRITE(ah, AR_Q_DESC_CRCCHK, AR_Q_DESC_CRCCHK_EN);
 
-	if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
+	ath9k_hw_clear_queue_interrupts(ah, q);
+	if (qi->tqi_qflags & TXQ_FLAG_TXINT_ENABLE) {
 		ah->txok_interrupt_mask |= 1 << q;
-	else
-		ah->txok_interrupt_mask &= ~(1 << q);
-	if (qi->tqi_qflags & TXQ_FLAG_TXERRINT_ENABLE)
 		ah->txerr_interrupt_mask |= 1 << q;
-	else
-		ah->txerr_interrupt_mask &= ~(1 << q);
+	}
 	if (qi->tqi_qflags & TXQ_FLAG_TXDESCINT_ENABLE)
 		ah->txdesc_interrupt_mask |= 1 << q;
-	else
-		ah->txdesc_interrupt_mask &= ~(1 << q);
 	if (qi->tqi_qflags & TXQ_FLAG_TXEOLINT_ENABLE)
 		ah->txeol_interrupt_mask |= 1 << q;
-	else
-		ah->txeol_interrupt_mask &= ~(1 << q);
 	if (qi->tqi_qflags & TXQ_FLAG_TXURNINT_ENABLE)
 		ah->txurn_interrupt_mask |= 1 << q;
-	else
-		ah->txurn_interrupt_mask &= ~(1 << q);
 	ath9k_hw_set_txq_interrupts(ah, qi);
 
 	return true;
@@ -745,7 +734,10 @@ int ath9k_hw_beaconq_setup(struct ath_hw *ah)
 	qi.tqi_aifs = 1;
 	qi.tqi_cwmin = 0;
 	qi.tqi_cwmax = 0;
-	/* NB: don't enable any interrupts */
+
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+		qi.tqi_qflags = TXQ_FLAG_TXINT_ENABLE;
+
 	return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
 }
 EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 11dbd1473a13..21c955609e6c 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -583,8 +583,7 @@ enum ath9k_tx_queue {
 #define ATH9K_WME_UPSD	4
 
 enum ath9k_tx_queue_flags {
-	TXQ_FLAG_TXOKINT_ENABLE = 0x0001,
-	TXQ_FLAG_TXERRINT_ENABLE = 0x0001,
+	TXQ_FLAG_TXINT_ENABLE = 0x0001,
 	TXQ_FLAG_TXDESCINT_ENABLE = 0x0002,
 	TXQ_FLAG_TXEOLINT_ENABLE = 0x0004,
 	TXQ_FLAG_TXURNINT_ENABLE = 0x0008,
@@ -714,7 +713,6 @@ u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
 void ath9k_hw_abort_tx_dma(struct ath_hw *ah);
-void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs);
 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 			    const struct ath9k_tx_queue_info *qinfo);
 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 02e95c8e7465..38794850f005 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *sc)
 	if (--sc->ps_usecount != 0)
 		goto unlock;
 
-	if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
+	if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
+		goto unlock;
+
+	if (sc->ps_idle)
 		mode = ATH9K_PM_FULL_SLEEP;
 	else if (sc->ps_enabled &&
 		 !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
 			      PS_WAIT_FOR_CAB |
-			      PS_WAIT_FOR_PSPOLL_DATA |
-			      PS_WAIT_FOR_TX_ACK)))
+			      PS_WAIT_FOR_PSPOLL_DATA)))
 		mode = ATH9K_PM_NETWORK_SLEEP;
 	else
 		goto unlock;
@@ -332,10 +334,6 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
 		hchan = ah->curchan;
 	}
 
-	if (fastcc && (ah->chip_fullsleep ||
-	    !ath9k_hw_check_alive(ah)))
-		fastcc = false;
-
 	if (!ath_prepare_reset(sc, retry_tx, flush))
 		fastcc = false;
 
@@ -641,7 +639,8 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
 #endif
 	an->sta = sta;
 	an->vif = vif;
-	if (sc->sc_flags & SC_OP_TXAGGR) {
+
+	if (sta->ht_cap.ht_supported) {
 		ath_tx_node_init(sc, an);
 		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
 				     sta->ht_cap.ampdu_factor);
@@ -660,7 +659,7 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
 	an->sta = NULL;
 #endif
 
-	if (sc->sc_flags & SC_OP_TXAGGR)
+	if (sta->ht_cap.ht_supported)
 		ath_tx_node_cleanup(sc, an);
 }
 
@@ -993,12 +992,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 		curchan->center_freq);
 
 	ath9k_ps_wakeup(sc);
-
 	mutex_lock(&sc->mutex);
 
-	/* setup initial channel */
-	sc->chan_idx = curchan->hw_value;
-
 	init_channel = ath9k_cmn_get_curchannel(hw, ah);
 
 	/* Reset SERDES registers */
@@ -1047,9 +1042,6 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	sc->sc_flags &= ~SC_OP_INVALID;
 	sc->sc_ah->is_monitoring = false;
 
-	/* Disable BMISS interrupt when we're not associated */
-	ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
-
 	if (!ath_complete_reset(sc, false)) {
 		r = -EIO;
 		spin_unlock_bh(&sc->sc_pcu_lock);
@@ -1277,7 +1269,6 @@ static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 		iter_data->nwds++;
 		break;
 	default:
-		iter_data->nothers++;
 		break;
 	}
 }
@@ -1761,7 +1752,7 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
 	struct ath_softc *sc = hw->priv;
 	struct ath_node *an = (struct ath_node *) sta->drv_priv;
 
-	if (!(sc->sc_flags & SC_OP_TXAGGR))
+	if (!sta->ht_cap.ht_supported)
 		return;
 
 	switch (cmd) {
@@ -1973,7 +1964,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	ath9k_ps_wakeup(sc);
 	mutex_lock(&sc->mutex);
 
-	if (changed & BSS_CHANGED_BSSID) {
+	if (changed & BSS_CHANGED_ASSOC) {
 		ath9k_config_bss(sc, vif);
 
 		ath_dbg(common, CONFIG, "BSSID: %pM aid: 0x%x\n",
@@ -2053,25 +2044,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			ath_beacon_config(sc, vif);
 	}
 
-	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
-		ath_dbg(common, CONFIG, "BSS Changed PREAMBLE %d\n",
-			bss_conf->use_short_preamble);
-		if (bss_conf->use_short_preamble)
-			sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
-		else
-			sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT;
-	}
-
-	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
-		ath_dbg(common, CONFIG, "BSS Changed CTS PROT %d\n",
-			bss_conf->use_cts_prot);
-		if (bss_conf->use_cts_prot &&
-		    hw->conf.channel->band != IEEE80211_BAND_5GHZ)
-			sc->sc_flags |= SC_OP_PROTECT_ENABLE;
-		else
-			sc->sc_flags &= ~SC_OP_PROTECT_ENABLE;
-	}
-
 	mutex_unlock(&sc->mutex);
 	ath9k_ps_restore(sc);
 }
@@ -2129,15 +2101,10 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 
 	switch (action) {
 	case IEEE80211_AMPDU_RX_START:
-		if (!(sc->sc_flags & SC_OP_RXAGGR))
-			ret = -ENOTSUPP;
 		break;
 	case IEEE80211_AMPDU_RX_STOP:
 		break;
 	case IEEE80211_AMPDU_TX_START:
-		if (!(sc->sc_flags & SC_OP_TXAGGR))
-			return -EOPNOTSUPP;
-
 		ath9k_ps_wakeup(sc);
 		ret = ath_tx_aggr_start(sc, sta, tid, ssn);
 		if (!ret)
@@ -2300,6 +2267,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
 	struct ath_vif *avp;
 	struct ath_buf *bf;
 	struct ath_tx_status ts;
+	bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	int status;
 
 	vif = sc->beacon.bslot[0];
@@ -2310,7 +2278,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
 	if (!avp->is_bslot_active)
 		return 0;
 
-	if (!sc->beacon.tx_processed) {
+	if (!sc->beacon.tx_processed && !edma) {
 		tasklet_disable(&sc->bcon_tasklet);
 
 		bf = avp->av_bcbuf;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index b8c6c38cbb98..4f848493fece 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -748,7 +748,8 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
 	 * If 802.11g protection is enabled, determine whether to use RTS/CTS or
 	 * just CTS.  Note that this is only done for OFDM/HT unicast frames.
 	 */
-	if ((sc->sc_flags & SC_OP_PROTECT_ENABLE) &&
+	if ((tx_info->control.vif &&
+	     tx_info->control.vif->bss_conf.use_cts_prot) &&
 	    (rate_table->info[rix].phy == WLAN_RC_PHY_OFDM ||
 	     WLAN_RC_PHY_HT(rate_table->info[rix].phy))) {
 		rates[0].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
@@ -1226,7 +1227,7 @@ static void ath_rc_init(struct ath_softc *sc,
 	ath_rc_init_valid_rate_idx(ath_rc_priv);
 
 	for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
-		for (j = 0; j < MAX_TX_RATE_PHY; j++)
+		for (j = 0; j < RATE_TABLE_SIZE; j++)
 			ath_rc_priv->valid_phy_rateidx[i][j] = 0;
 		ath_rc_priv->valid_phy_ratecnt[i] = 0;
 	}
@@ -1298,12 +1299,13 @@ static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
 	return caps;
 }
 
-static bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an,
+static bool ath_tx_aggr_check(struct ath_softc *sc, struct ieee80211_sta *sta,
 			      u8 tidno)
 {
+	struct ath_node *an = (struct ath_node *)sta->drv_priv;
 	struct ath_atx_tid *txtid;
 
-	if (!(sc->sc_flags & SC_OP_TXAGGR))
+	if (!sta->ht_cap.ht_supported)
 		return false;
 
 	txtid = ATH_AN_2_TID(an, tidno);
@@ -1374,13 +1376,11 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 		if (ieee80211_is_data_qos(fc) &&
 		    skb_get_queue_mapping(skb) != IEEE80211_AC_VO) {
 			u8 *qc, tid;
-			struct ath_node *an;
 
 			qc = ieee80211_get_qos_ctl(hdr);
 			tid = qc[0] & 0xf;
-			an = (struct ath_node *)sta->drv_priv;
 
-			if(ath_tx_aggr_check(sc, an, tid))
+			if(ath_tx_aggr_check(sc, sta, tid))
 				ieee80211_start_tx_ba_session(sta, tid, 0);
 		}
 	}
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index b7a4bcd3eec7..75f8e9b06b28 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -25,8 +25,6 @@ struct ath_softc;
 
 #define ATH_RATE_MAX     30
 #define RATE_TABLE_SIZE  72
-#define MAX_TX_RATE_PHY  48
-
 
 #define RC_INVALID	0x0000
 #define RC_LEGACY	0x0001
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 7e1a91af1497..f4ae3ba994a8 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -169,22 +169,17 @@ static void ath_rx_addbuffer_edma(struct ath_softc *sc,
 				  enum ath9k_rx_qtype qtype, int size)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	u32 nbuf = 0;
+	struct ath_buf *bf, *tbf;
 
 	if (list_empty(&sc->rx.rxbuf)) {
 		ath_dbg(common, QUEUE, "No free rx buf available\n");
 		return;
 	}
 
-	while (!list_empty(&sc->rx.rxbuf)) {
-		nbuf++;
-
+	list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list)
 		if (!ath_rx_edma_buf_link(sc, qtype))
 			break;
 
-		if (nbuf >= size)
-			break;
-	}
 }
 
 static void ath_rx_remove_buffer(struct ath_softc *sc,
@@ -232,7 +227,6 @@ static void ath_rx_edma_cleanup(struct ath_softc *sc)
 static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size)
 {
 	skb_queue_head_init(&rx_edma->rx_fifo);
-	skb_queue_head_init(&rx_edma->rx_buffers);
 	rx_edma->rx_fifo_hwsize = size;
 }
 
@@ -658,7 +652,9 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb, bool mybeacon)
 }
 
 static bool ath_edma_get_buffers(struct ath_softc *sc,
-				 enum ath9k_rx_qtype qtype)
+				 enum ath9k_rx_qtype qtype,
+				 struct ath_rx_status *rs,
+				 struct ath_buf **dest)
 {
 	struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
 	struct ath_hw *ah = sc->sc_ah;
@@ -677,7 +673,7 @@ static bool ath_edma_get_buffers(struct ath_softc *sc,
 	dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
 				common->rx_bufsize, DMA_FROM_DEVICE);
 
-	ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data);
+	ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
 	if (ret == -EINPROGRESS) {
 		/*let device gain the buffer again*/
 		dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
@@ -690,20 +686,21 @@ static bool ath_edma_get_buffers(struct ath_softc *sc,
 		/* corrupt descriptor, skip this one and the following one */
 		list_add_tail(&bf->list, &sc->rx.rxbuf);
 		ath_rx_edma_buf_link(sc, qtype);
-		skb = skb_peek(&rx_edma->rx_fifo);
-		if (!skb)
-			return true;
 
-		bf = SKB_CB_ATHBUF(skb);
-		BUG_ON(!bf);
+		skb = skb_peek(&rx_edma->rx_fifo);
+		if (skb) {
+			bf = SKB_CB_ATHBUF(skb);
+			BUG_ON(!bf);
 
-		__skb_unlink(skb, &rx_edma->rx_fifo);
-		list_add_tail(&bf->list, &sc->rx.rxbuf);
-		ath_rx_edma_buf_link(sc, qtype);
-		return true;
+			__skb_unlink(skb, &rx_edma->rx_fifo);
+			list_add_tail(&bf->list, &sc->rx.rxbuf);
+			ath_rx_edma_buf_link(sc, qtype);
+		} else {
+			bf = NULL;
+		}
 	}
-	skb_queue_tail(&rx_edma->rx_buffers, skb);
 
+	*dest = bf;
 	return true;
 }
 
@@ -711,18 +708,15 @@ static struct ath_buf *ath_edma_get_next_rx_buf(struct ath_softc *sc,
 						struct ath_rx_status *rs,
 						enum ath9k_rx_qtype qtype)
 {
-	struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
-	struct sk_buff *skb;
-	struct ath_buf *bf;
+	struct ath_buf *bf = NULL;
 
-	while (ath_edma_get_buffers(sc, qtype));
-	skb = __skb_dequeue(&rx_edma->rx_buffers);
-	if (!skb)
-		return NULL;
+	while (ath_edma_get_buffers(sc, qtype, rs, &bf)) {
+		if (!bf)
+			continue;
 
-	bf = SKB_CB_ATHBUF(skb);
-	ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data);
-	return bf;
+		return bf;
+	}
+	return NULL;
 }
 
 static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
@@ -954,6 +948,7 @@ static void ath9k_process_rssi(struct ath_common *common,
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = common->ah;
 	int last_rssi;
+	int rssi = rx_stats->rs_rssi;
 
 	if (!rx_stats->is_mybeacon ||
 	    ((ah->opmode != NL80211_IFTYPE_STATION) &&
@@ -965,13 +960,12 @@ static void ath9k_process_rssi(struct ath_common *common,
 
 	last_rssi = sc->last_rssi;
 	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-		rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
-					      ATH_RSSI_EP_MULTIPLIER);
-	if (rx_stats->rs_rssi < 0)
-		rx_stats->rs_rssi = 0;
+		rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
+	if (rssi < 0)
+		rssi = 0;
 
 	/* Update Beacon RSSI, this is used by ANI. */
-	ah->stats.avgbrssi = rx_stats->rs_rssi;
+	ah->stats.avgbrssi = rssi;
 }
 
 /*
@@ -988,8 +982,6 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 
-	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
-
 	/*
 	 * everything but the rate is checked here, the rate check is done
 	 * separately to avoid doing two lookups for a rate for each frame.
@@ -1011,6 +1003,8 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
 	rx_status->signal = ah->noise + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
 	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	if (rx_stats->rs_moreaggr)
+		rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
 	return 0;
 }
@@ -1845,6 +1839,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 		if (sc->sc_flags & SC_OP_RXFLUSH)
 			goto requeue_drop_frag;
 
+		memset(rxs, 0, sizeof(struct ieee80211_rx_status));
+
 		rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
 		if (rs.rs_tstamp > tsf_lower &&
 		    unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 80b1856f817d..458f81b4a7cb 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1151,6 +1151,7 @@ enum {
 #define AR_INTR_PRIO_ASYNC_ENABLE (AR_SREV_9340(ah) ? 0x4094 : 0x40d4)
 #define AR_ENT_OTP		  0x40d8
 #define AR_ENT_OTP_CHAIN2_DISABLE               0x00020000
+#define AR_ENT_OTP_49GHZ_DISABLE		0x00100000
 #define AR_ENT_OTP_MIN_PKT_SIZE_DISABLE		0x00800000
 
 #define AR_CH0_BB_DPLL1		 0x16180
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 5dd27d2712fc..834e6bc45e8b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -955,7 +955,9 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
 	 */
 	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
 	info->rtscts_rate = rate->hw_value;
-	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
+
+	if (tx_info->control.vif &&
+	    tx_info->control.vif->bss_conf.use_short_preamble)
 		info->rtscts_rate |= rate->hw_value_short;
 
 	for (i = 0; i < 4; i++) {
@@ -1290,14 +1292,11 @@ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid
 
 	an = (struct ath_node *)sta->drv_priv;
 
-	if (sc->sc_flags & SC_OP_TXAGGR) {
-		txtid = ATH_AN_2_TID(an, tid);
-		txtid->baw_size =
-			IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
-		txtid->state |= AGGR_ADDBA_COMPLETE;
-		txtid->state &= ~AGGR_ADDBA_PROGRESS;
-		ath_tx_resume_tid(sc, txtid);
-	}
+	txtid = ATH_AN_2_TID(an, tid);
+	txtid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
+	txtid->state |= AGGR_ADDBA_COMPLETE;
+	txtid->state &= ~AGGR_ADDBA_PROGRESS;
+	ath_tx_resume_tid(sc, txtid);
 }
 
 /********************/
@@ -1356,8 +1355,7 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 	 * based intr on the EOSP frames.
 	 */
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-		qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
-				TXQ_FLAG_TXERRINT_ENABLE;
+		qi.tqi_qflags = TXQ_FLAG_TXINT_ENABLE;
 	} else {
 		if (qtype == ATH9K_TX_QUEUE_UAPSD)
 			qi.tqi_qflags = TXQ_FLAG_TXDESCINT_ENABLE;
@@ -1523,7 +1521,7 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 	ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx);
 
 	/* flush any pending frames if aggregation is enabled */
-	if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx)
+	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && !retry_tx)
 		ath_txq_drain_pending_buffers(sc, txq);
 
 	ath_txq_unlock_complete(sc, txq);
@@ -1871,7 +1869,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
 	struct ath_buf *bf;
 	u8 tidno;
 
-	if ((sc->sc_flags & SC_OP_TXAGGR) && txctl->an &&
+	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && txctl->an &&
 		ieee80211_is_data_qos(hdr->frame_control)) {
 		tidno = ieee80211_get_qos_ctl(hdr)[0] &
 			IEEE80211_QOS_CTL_TID_MASK;
@@ -2141,7 +2139,7 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
 	} else
 		ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
 
-	if (sc->sc_flags & SC_OP_TXAGGR)
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		ath_txq_schedule(sc, txq);
 }
 
@@ -2166,7 +2164,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
-			if (sc->sc_flags & SC_OP_TXAGGR)
+			if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 				ath_txq_schedule(sc, txq);
 			break;
 		}
@@ -2263,10 +2261,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 
 void ath_tx_tasklet(struct ath_softc *sc)
 {
+	struct ath_hw *ah = sc->sc_ah;
+	u32 qcumask = ((1 << ATH9K_NUM_TX_QUEUES) - 1) & ah->intr_txqs;
 	int i;
-	u32 qcumask = ((1 << ATH9K_NUM_TX_QUEUES) - 1);
-
-	ath9k_hw_gettxintrtxqs(sc->sc_ah, &qcumask);
 
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
 		if (ATH_TXQ_SETUP(sc, i) && (qcumask & (1 << i)))
@@ -2296,9 +2293,12 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
 			break;
 		}
 
-		/* Skip beacon completions */
-		if (ts.qid == sc->beacon.beaconq)
+		/* Process beacon completions separately */
+		if (ts.qid == sc->beacon.beaconq) {
+			sc->beacon.tx_processed = true;
+			sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
 			continue;
+		}
 
 		txq = &sc->tx.txq[ts.qid];
 
diff --git a/drivers/net/wireless/ath/main.c b/drivers/net/wireless/ath/main.c
index d9218fe02036..ea2c737138d3 100644
--- a/drivers/net/wireless/ath/main.c
+++ b/drivers/net/wireless/ath/main.c
@@ -57,7 +57,8 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
 }
 EXPORT_SYMBOL(ath_rxbuf_alloc);
 
-void ath_printk(const char *level, const char *fmt, ...)
+void ath_printk(const char *level, const struct ath_common* common,
+		const char *fmt, ...)
 {
 	struct va_format vaf;
 	va_list args;
@@ -67,7 +68,11 @@ void ath_printk(const char *level, const char *fmt, ...)
 	vaf.fmt = fmt;
 	vaf.va = &args;
 
-	printk("%sath: %pV", level, &vaf);
+	if (common && common->hw && common->hw->wiphy)
+		printk("%sath: %s: %pV",
+		       level, wiphy_name(common->hw->wiphy), &vaf);
+	else
+		printk("%sath: %pV", level, &vaf);
 
 	va_end(args);
 }