Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

21 files changed, 143 insertions, 108 deletions

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 9e05648356fe..71fc960814f0 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -74,7 +74,6 @@ struct ath_common;
 
 struct ath_bus_ops {
 	void		(*read_cachesize)(struct ath_common *common, int *csz);
-	void		(*cleanup)(struct ath_common *common);
 	bool		(*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
 	void		(*bt_coex_prep)(struct ath_common *common);
 };
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 66bcb506a112..ad4d446f0264 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -535,7 +535,7 @@ struct ath5k_txq_info {
 	u32	tqi_cbr_period; /* Constant bit rate period */
 	u32	tqi_cbr_overflow_limit;
 	u32	tqi_burst_time;
-	u32	tqi_ready_time; /* Not used */
+	u32	tqi_ready_time; /* Time queue waits after an event */
 };
 
 /*
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 5577bcc80eac..edb6c90e376f 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1516,7 +1516,8 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
 
 	ret = ath5k_hw_get_tx_queueprops(ah, sc->bhalq, &qi);
 	if (ret)
-		return ret;
+		goto err;
+
 	if (sc->opmode == NL80211_IFTYPE_AP ||
 		sc->opmode == NL80211_IFTYPE_MESH_POINT) {
 		/*
@@ -1543,10 +1544,25 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
 	if (ret) {
 		ATH5K_ERR(sc, "%s: unable to update parameters for beacon "
 			"hardware queue!\n", __func__);
-		return ret;
+		goto err;
 	}
+	ret = ath5k_hw_reset_tx_queue(ah, sc->bhalq); /* push to h/w */
+	if (ret)
+		goto err;
 
-	return ath5k_hw_reset_tx_queue(ah, sc->bhalq); /* push to h/w */;
+	/* reconfigure cabq with ready time to 80% of beacon_interval */
+	ret = ath5k_hw_get_tx_queueprops(ah, AR5K_TX_QUEUE_ID_CAB, &qi);
+	if (ret)
+		goto err;
+
+	qi.tqi_ready_time = (sc->bintval * 80) / 100;
+	ret = ath5k_hw_set_tx_queueprops(ah, AR5K_TX_QUEUE_ID_CAB, &qi);
+	if (ret)
+		goto err;
+
+	ret = ath5k_hw_reset_tx_queue(ah, AR5K_TX_QUEUE_ID_CAB);
+err:
+	return ret;
 }
 
 static void
diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index 60f547503d75..67aa52e9bf94 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -77,6 +77,8 @@ static const struct pci_device_id ath5k_led_devices[] = {
 	{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137a), ATH_LED(3, 1) },
 	/* HP Compaq C700 (nitrousnrg@gmail.com) */
 	{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 1) },
+	/* LiteOn AR5BXB63 (magooz@salug.it) */
+	{ ATH_SDEVICE(PCI_VENDOR_ID_ATHEROS, 0x3067), ATH_LED(3, 0) },
 	/* IBM-specific AR5212 (all others) */
 	{ PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5212_IBM), ATH_LED(0, 0) },
 	/* Dell Vostro A860 (shahar@shahar-or.co.il) */
diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c
index abe36c0d139c..9122a8556f45 100644
--- a/drivers/net/wireless/ath/ath5k/qcu.c
+++ b/drivers/net/wireless/ath/ath5k/qcu.c
@@ -408,12 +408,13 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 			break;
 
 		case AR5K_TX_QUEUE_CAB:
+			/* XXX: use BCN_SENT_GT, if we can figure out how */
 			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-				AR5K_QCU_MISC_FRSHED_BCN_SENT_GT |
+				AR5K_QCU_MISC_FRSHED_DBA_GT |
 				AR5K_QCU_MISC_CBREXP_DIS |
 				AR5K_QCU_MISC_CBREXP_BCN_DIS);
 
-			ath5k_hw_reg_write(ah, ((AR5K_TUNE_BEACON_INTERVAL -
+			ath5k_hw_reg_write(ah, ((tq->tqi_ready_time -
 				(AR5K_TUNE_SW_BEACON_RESP -
 				AR5K_TUNE_DMA_BEACON_RESP) -
 				AR5K_TUNE_ADDITIONAL_SWBA_BACKOFF) * 1024) |
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 6690923fd78c..a35a7db0fc4c 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1374,8 +1374,9 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	 * Set clocks to 32KHz operation and use an
 	 * external 32KHz crystal when sleeping if one
 	 * exists */
-	if (ah->ah_version == AR5K_AR5212)
-			ath5k_hw_set_sleep_clock(ah, true);
+	if (ah->ah_version == AR5K_AR5212 &&
+	    ah->ah_op_mode != NL80211_IFTYPE_AP)
+		ath5k_hw_set_sleep_clock(ah, true);
 
 	/*
 	 * Disable beacons and reset the register
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 9e62a569e816..ca4994f13151 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -27,12 +27,6 @@ static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
 	*csz = L1_CACHE_BYTES >> 2;
 }
 
-static void ath_ahb_cleanup(struct ath_common *common)
-{
-	struct ath_softc *sc = (struct ath_softc *)common->priv;
-	iounmap(sc->mem);
-}
-
 static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
 	struct ath_softc *sc = (struct ath_softc *)common->priv;
@@ -54,8 +48,6 @@ static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 
 static struct ath_bus_ops ath_ahb_bus_ops  = {
 	.read_cachesize = ath_ahb_read_cachesize,
-	.cleanup = ath_ahb_cleanup,
-
 	.eeprom_read = ath_ahb_eeprom_read,
 };
 
@@ -164,12 +156,12 @@ static int ath_ahb_remove(struct platform_device *pdev)
 	if (hw) {
 		struct ath_wiphy *aphy = hw->priv;
 		struct ath_softc *sc = aphy->sc;
-		struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+		void __iomem *mem = sc->mem;
 
 		ath9k_deinit_device(sc);
 		free_irq(sc->irq, sc);
 		ieee80211_free_hw(sc->hw);
-		ath_bus_cleanup(common);
+		iounmap(mem);
 		platform_set_drvdata(pdev, NULL);
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index bf3d4c4bfa52..0ea340fd071c 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -364,6 +364,7 @@ struct ath_btcoex {
 	int bt_stomp_type; /* Types of BT stomping */
 	u32 btcoex_no_stomp; /* in usec */
 	u32 btcoex_period; /* in usec */
+	u32 btscan_no_stomp; /* in usec */
 	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
 };
 
@@ -429,6 +430,7 @@ void ath_deinit_leds(struct ath_softc *sc);
 #define SC_OP_SCANNING               BIT(10)
 #define SC_OP_TSF_RESET              BIT(11)
 #define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
+#define SC_OP_BT_SCAN		     BIT(13)
 
 /* Powersave flags */
 #define PS_WAIT_FOR_BEACON        BIT(0)
@@ -478,6 +480,7 @@ struct ath_softc {
 	u8 nbcnvifs;
 	u16 nvifs;
 	bool ps_enabled;
+	bool ps_idle;
 	unsigned long ps_usecount;
 	enum ath9k_int imask;
 
@@ -535,11 +538,6 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 	common->bus_ops->read_cachesize(common, csz);
 }
 
-static inline void ath_bus_cleanup(struct ath_common *common)
-{
-	common->bus_ops->cleanup(common);
-}
-
 extern struct ieee80211_ops ath9k_ops;
 extern int modparam_nohwcrypt;
 
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 1ba31a73317c..1ee5a15ccbb1 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -25,10 +25,12 @@
 
 #define ATH_BTCOEX_DEF_BT_PERIOD  45
 #define ATH_BTCOEX_DEF_DUTY_CYCLE 55
+#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
 #define ATH_BTCOEX_BMISS_THRESH   50
 
 #define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
 #define ATH_BT_CNT_THRESHOLD	       3
+#define ATH_BT_CNT_SCAN_THRESHOLD      15
 
 enum ath_btcoex_scheme {
 	ATH_BTCOEX_CFG_NONE,
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 9489b6b25b5f..42d2a506845a 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -75,17 +75,24 @@ static const struct file_operations fops_debug = {
 
 #endif
 
+#define DMA_BUF_LEN 1024
+
 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
 	struct ath_hw *ah = sc->sc_ah;
-	char buf[1024];
+	char *buf;
+	int retval;
 	unsigned int len = 0;
 	u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 	int i, qcuOffset = 0, dcuOffset = 0;
 	u32 *qcuBase = &val[0], *dcuBase = &val[4];
 
+	buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
+	if (!buf)
+		return 0;
+
 	ath9k_ps_wakeup(sc);
 
 	REG_WRITE_D(ah, AR_MACMISC,
@@ -93,20 +100,20 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 		   (AR_MACMISC_MISC_OBS_BUS_1 <<
 		    AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 			"Raw DMA Debug values:\n");
 
 	for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 		if (i % 4 == 0)
-			len += snprintf(buf + len, sizeof(buf) - len, "\n");
+			len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 
 		val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
-		len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
+		len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 				i, val[i]);
 	}
 
-	len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 			"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 
 	for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
@@ -120,7 +127,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			dcuBase++;
 		}
 
-		len += snprintf(buf + len, sizeof(buf) - len,
+		len += snprintf(buf + len, DMA_BUF_LEN - len,
 			"%2d          %2x      %1x     %2x           %2x\n",
 			i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 			(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
@@ -128,35 +135,37 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 	}
 
-	len += snprintf(buf + len, sizeof(buf) - len, "\n");
+	len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 		(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"qcu_complete state: %2x    dcu_complete state:     %2x\n",
 		(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 		(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 		(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 		(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 		"txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 		(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 
-	len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
+	len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x \n",
 			REG_READ_D(ah, AR_OBS_BUS_1));
-	len += snprintf(buf + len, sizeof(buf) - len,
+	len += snprintf(buf + len, DMA_BUF_LEN - len,
 			"AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR));
 
 	ath9k_ps_restore(sc);
 
-	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+	return retval;
 }
 
 static const struct file_operations fops_dma = {
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index e204bd25ff65..deab8beb0680 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -230,12 +230,17 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 
 	if (time_after(jiffies, btcoex->bt_priority_time +
 			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
-		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+		sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
+		/* Detect if colocated bt started scanning */
+		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
+			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+				  "BT scan detected");
+			sc->sc_flags |= (SC_OP_BT_SCAN |
+					 SC_OP_BT_PRIORITY_DETECTED);
+		} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
 			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
 				  "BT priority traffic detected");
 			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
-		} else {
-			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
 		}
 
 		btcoex->bt_priority_cnt = 0;
@@ -316,12 +321,17 @@ static void ath_btcoex_period_timer(unsigned long data)
 	struct ath_softc *sc = (struct ath_softc *) data;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
+	u32 timer_period;
+	bool is_btscan;
 
 	ath_detect_bt_priority(sc);
 
+	is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
+
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
+	ath9k_btcoex_bt_stomp(sc, is_btscan ? ATH_BTCOEX_STOMP_ALL :
+			      btcoex->bt_stomp_type);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 
@@ -329,11 +339,12 @@ static void ath_btcoex_period_timer(unsigned long data)
 		if (btcoex->hw_timer_enabled)
 			ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
 
+		timer_period = is_btscan ? btcoex->btscan_no_stomp :
+					   btcoex->btcoex_no_stomp;
 		ath9k_gen_timer_start(ah,
 				      btcoex->no_stomp_timer,
 				      (ath9k_hw_gettsf32(ah) +
-				       btcoex->btcoex_no_stomp),
-				       btcoex->btcoex_no_stomp * 10);
+				       timer_period), timer_period * 10);
 		btcoex->hw_timer_enabled = true;
 	}
 
@@ -350,13 +361,14 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	struct ath_softc *sc = (struct ath_softc *)arg;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
+	bool is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
 
 	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
 		  "no stomp timer running \n");
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
 		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
 	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
 		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
@@ -371,6 +383,8 @@ int ath_init_btcoex_timer(struct ath_softc *sc)
 	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
 	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
 		btcoex->btcoex_period / 100;
+	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *
+				   btcoex->btcoex_period / 100;
 
 	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
 			(unsigned long) sc);
@@ -405,7 +419,7 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc)
 
 	btcoex->bt_priority_cnt = 0;
 	btcoex->bt_priority_time = jiffies;
-	sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+	sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
 
 	mod_timer(&btcoex->period_timer, jiffies);
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1a27f39c1adc..f15fee76a4e2 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -334,7 +334,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	ah->config.pcie_clock_req = 0;
 	ah->config.pcie_waen = 0;
 	ah->config.analog_shiftreg = 1;
-	ah->config.ht_enable = 1;
 	ah->config.ofdm_trig_low = 200;
 	ah->config.ofdm_trig_high = 500;
 	ah->config.cck_trig_high = 200;
@@ -346,6 +345,11 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 		ah->config.spurchans[i][1] = AR_NO_SPUR;
 	}
 
+	if (ah->hw_version.devid != AR2427_DEVID_PCIE)
+		ah->config.ht_enable = 1;
+	else
+		ah->config.ht_enable = 0;
+
 	ah->config.rx_intr_mitigation = true;
 
 	/*
@@ -542,6 +546,7 @@ static bool ath9k_hw_devid_supported(u16 devid)
 	case AR5416_DEVID_AR9287_PCI:
 	case AR5416_DEVID_AR9287_PCIE:
 	case AR9271_USB:
+	case AR2427_DEVID_PCIE:
 		return true;
 	default:
 		break;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index ab1f1981d857..dbbf7ca5f97d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -40,6 +40,7 @@
 #define AR9280_DEVID_PCI	0x0029
 #define AR9280_DEVID_PCIE	0x002a
 #define AR9285_DEVID_PCIE	0x002b
+#define AR2427_DEVID_PCIE	0x002c
 
 #define AR5416_AR9100_DEVID	0x000b
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 5f78d7a5ff22..4b5e54848683 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -620,11 +620,13 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
 		IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 		IEEE80211_HW_SIGNAL_DBM |
-		IEEE80211_HW_AMPDU_AGGREGATION |
 		IEEE80211_HW_SUPPORTS_PS |
 		IEEE80211_HW_PS_NULLFUNC_STACK |
 		IEEE80211_HW_SPECTRUM_MGMT;
 
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+		 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+
 	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
@@ -640,8 +642,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->max_rates = 4;
 	hw->channel_change_time = 5000;
 	hw->max_listen_interval = 10;
-	/* Hardware supports 10 but we use 4 */
-	hw->max_rate_tries = 4;
+	hw->max_rate_tries = 10;
 	hw->sta_data_size = sizeof(struct ath_node);
 	hw->vif_data_size = sizeof(struct ath_vif);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6aaca0026da8..6796d5cdc293 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -143,8 +143,10 @@ void ath9k_ps_restore(struct ath_softc *sc)
 	if (--sc->ps_usecount != 0)
 		goto unlock;
 
-	if (sc->ps_enabled &&
-	    !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+	if (sc->ps_idle)
+		ath9k_hw_setpower(sc->sc_ah, 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)))
@@ -204,7 +206,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	r = ath9k_hw_reset(ah, hchan, fastcc);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to reset channel (%u Mhz) "
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 		spin_unlock_bh(&sc->sc_resetlock);
@@ -867,7 +869,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to reset channel %u (%uMhz) ",
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 	}
@@ -922,7 +924,7 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
-			  "Unable to reset channel %u (%uMhz) "
+			  "Unable to reset channel (%u MHz), "
 			  "reset status %d\n",
 			  channel->center_freq, r);
 	}
@@ -1528,6 +1530,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		spin_unlock_bh(&sc->wiphy_lock);
 
 		if (enable_radio) {
+			sc->ps_idle = false;
 			ath_radio_enable(sc, hw);
 			ath_print(common, ATH_DBG_CONFIG,
 				  "not-idle: enabling radio\n");
@@ -1624,8 +1627,10 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 	}
 
 skip_chan_change:
-	if (changed & IEEE80211_CONF_CHANGE_POWER)
+	if (changed & IEEE80211_CONF_CHANGE_POWER) {
 		sc->config.txpowlimit = 2 * conf->power_level;
+		ath_update_txpow(sc);
+	}
 
 	spin_lock_bh(&sc->wiphy_lock);
 	disable_radio = ath9k_all_wiphys_idle(sc);
@@ -1633,6 +1638,7 @@ skip_chan_change:
 
 	if (disable_radio) {
 		ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
+		sc->ps_idle = true;
 		ath_radio_disable(sc, hw);
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index fe2c3a644a6e..9441c6718a30 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -25,6 +25,7 @@ static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
 	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
 	{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
+	{ PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 	{ PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 	{ 0 }
@@ -49,16 +50,6 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 		*csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 }
 
-static void ath_pci_cleanup(struct ath_common *common)
-{
-	struct ath_softc *sc = (struct ath_softc *) common->priv;
-	struct pci_dev *pdev = to_pci_dev(sc->dev);
-
-	pci_iounmap(pdev, sc->mem);
-	pci_disable_device(pdev);
-	pci_release_region(pdev, 0);
-}
-
 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
 	struct ath_hw *ah = (struct ath_hw *) common->ah;
@@ -98,7 +89,6 @@ static void ath_pci_bt_coex_prep(struct ath_common *common)
 
 static const struct ath_bus_ops ath_pci_bus_ops = {
 	.read_cachesize = ath_pci_read_cachesize,
-	.cleanup = ath_pci_cleanup,
 	.eeprom_read = ath_pci_eeprom_read,
 	.bt_coex_prep = ath_pci_bt_coex_prep,
 };
@@ -245,12 +235,15 @@ static void ath_pci_remove(struct pci_dev *pdev)
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	void __iomem *mem = sc->mem;
 
 	ath9k_deinit_device(sc);
 	free_irq(sc->irq, sc);
 	ieee80211_free_hw(sc->hw);
-	ath_bus_cleanup(common);
+
+	pci_iounmap(pdev, mem);
+	pci_disable_device(pdev);
+	pci_release_region(pdev, 0);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 70fdb9d8db82..11968843c773 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -678,13 +678,13 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 	 * For Multi Rate Retry we use a different number of
 	 * retry attempt counts. This ends up looking like this:
 	 *
-	 * MRR[0] = 2
-	 * MRR[1] = 2
-	 * MRR[2] = 2
-	 * MRR[3] = 4
+	 * MRR[0] = 4
+	 * MRR[1] = 4
+	 * MRR[2] = 4
+	 * MRR[3] = 8
 	 *
 	 */
-	try_per_rate = sc->hw->max_rate_tries;
+	try_per_rate = 4;
 
 	rate_table = sc->cur_rate_table;
 	rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe);
@@ -714,7 +714,7 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 	for ( ; i < 4; i++) {
 		/* Use twice the number of tries for the last MRR segment. */
 		if (i + 1 == 4)
-			try_per_rate = 4;
+			try_per_rate = 8;
 
 		ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix);
 		/* All other rates in the series have RTS enabled */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 40b5d05edcce..1ca42e5148c8 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -429,7 +429,7 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 		sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having received "
-			  "PS-Poll data (0x%x)\n",
+			  "PS-Poll data (0x%lx)\n",
 			sc->ps_flags & (PS_WAIT_FOR_BEACON |
 					PS_WAIT_FOR_CAB |
 					PS_WAIT_FOR_PSPOLL_DATA |
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 8e653fb937a1..72cfa8ebd9ae 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1547,9 +1547,9 @@ enum {
 
 #define AR_BT_COEX_WEIGHT          0x8174
 #define AR_BT_COEX_WGHT		   0xff55
-#define AR_STOMP_ALL_WLAN_WGHT	   0xffcc
-#define AR_STOMP_LOW_WLAN_WGHT	   0xaaa8
-#define AR_STOMP_NONE_WLAN_WGHT	   0xaa00
+#define AR_STOMP_ALL_WLAN_WGHT	   0xfcfc
+#define AR_STOMP_LOW_WLAN_WGHT	   0xa8a8
+#define AR_STOMP_NONE_WLAN_WGHT	   0x0000
 #define AR_BTCOEX_BT_WGHT          0x0000ffff
 #define AR_BTCOEX_BT_WGHT_S        0
 #define AR_BTCOEX_WL_WGHT          0xffff0000
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index a821bb687b3b..3c790a4f38f7 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1498,26 +1498,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
 		ctsrate |= rate->hw_value_short;
 
-	/*
-	 * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
-	 * Check the first rate in the series to decide whether RTS/CTS
-	 * or CTS-to-self has to be used.
-	 */
-	if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
-		flags = ATH9K_TXDESC_CTSENA;
-	else if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
-		flags = ATH9K_TXDESC_RTSENA;
-
-	/* FIXME: Handle aggregation protection */
-	if (sc->config.ath_aggr_prot &&
-	    (!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
-		flags = ATH9K_TXDESC_RTSENA;
-	}
-
-	/* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-	if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
-		flags &= ~(ATH9K_TXDESC_RTSENA);
-
 	for (i = 0; i < 4; i++) {
 		bool is_40, is_sgi, is_sp;
 		int phy;
@@ -1529,8 +1509,15 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 		series[i].Tries = rates[i].count;
 		series[i].ChSel = common->tx_chainmask;
 
-		if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+		if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
+		    (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
 			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+			flags |= ATH9K_TXDESC_RTSENA;
+		} else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+			flags |= ATH9K_TXDESC_CTSENA;
+		}
+
 		if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 			series[i].RateFlags |= ATH9K_RATESERIES_2040;
 		if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
@@ -1568,6 +1555,14 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 			phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
 	}
 
+	/* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+	if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
+		flags &= ~ATH9K_TXDESC_RTSENA;
+
+	/* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+	if (flags & ATH9K_TXDESC_RTSENA)
+		flags &= ~ATH9K_TXDESC_CTSENA;
+
 	/* set dur_update_en for l-sig computation except for PS-Poll frames */
 	ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
 				     bf->bf_lastbf->bf_desc,
@@ -1862,7 +1857,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 		sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having "
-			  "received TX status (0x%x)\n",
+			  "received TX status (0x%lx)\n",
 			sc->ps_flags & (PS_WAIT_FOR_BEACON |
 					PS_WAIT_FOR_CAB |
 					PS_WAIT_FOR_PSPOLL_DATA |
diff --git a/drivers/net/wireless/ath/debug.h b/drivers/net/wireless/ath/debug.h
index d6b685a06c5e..8263633c003c 100644
--- a/drivers/net/wireless/ath/debug.h
+++ b/drivers/net/wireless/ath/debug.h
@@ -65,11 +65,11 @@ enum ATH_DEBUG {
 #define ATH_DBG_DEFAULT (ATH_DBG_FATAL)
 
 #ifdef CONFIG_ATH_DEBUG
-void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...);
+void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
+	__attribute__ ((format (printf, 3, 4)));
 #else
-static inline void ath_print(struct ath_common *common,
-			     int dbg_mask,
-			     const char *fmt, ...)
+static inline void __attribute__ ((format (printf, 3, 4)))
+ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
 {
 }
 #endif /* CONFIG_ATH_DEBUG */