7 files changed, 29 insertions, 20 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 4cc13940c895..f76c3ca07a45 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
 					  AR_PHY_AGC_CONTROL_FLTR_CAL   |
 					  AR_PHY_AGC_CONTROL_PKDET_CAL;
 
+	/* Use chip chainmask only for calibration */
 	ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
 
 	if (rtt) {
@@ -1150,6 +1151,9 @@ skip_tx_iqcal:
 		ar9003_hw_rtt_disable(ah);
 	}
 
+	/* Revert chainmask to runtime parameters */
+	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
+
 	/* Initialize list pointers */
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
index 28fd99203f64..bdee2ed67219 100644
--- a/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h
@@ -519,7 +519,7 @@ static const u32 ar9580_1p0_mac_core[][2] = {
 	{0x00008258, 0x00000000},
 	{0x0000825c, 0x40000000},
 	{0x00008260, 0x00080922},
-	{0x00008264, 0x9bc00010},
+	{0x00008264, 0x9d400010},
 	{0x00008268, 0xffffffff},
 	{0x0000826c, 0x0000ffff},
 	{0x00008270, 0x00000000},
diff --git a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
index 467b60014b7b..73fe8d6db566 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c
@@ -143,14 +143,14 @@ channel_detector_create(struct dfs_pattern_detector *dpd, u16 freq)
 	u32 sz, i;
 	struct channel_detector *cd;
 
-	cd = kmalloc(sizeof(*cd), GFP_KERNEL);
+	cd = kmalloc(sizeof(*cd), GFP_ATOMIC);
 	if (cd == NULL)
 		goto fail;
 
 	INIT_LIST_HEAD(&cd->head);
 	cd->freq = freq;
 	sz = sizeof(cd->detectors) * dpd->num_radar_types;
-	cd->detectors = kzalloc(sz, GFP_KERNEL);
+	cd->detectors = kzalloc(sz, GFP_ATOMIC);
 	if (cd->detectors == NULL)
 		goto fail;
 
diff --git a/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c b/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
index 91b8dceeadb1..5e48c5515b8c 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_pri_detector.c
@@ -218,7 +218,7 @@ static bool pulse_queue_enqueue(struct pri_detector *pde, u64 ts)
 {
 	struct pulse_elem *p = pool_get_pulse_elem();
 	if (p == NULL) {
-		p = kmalloc(sizeof(*p), GFP_KERNEL);
+		p = kmalloc(sizeof(*p), GFP_ATOMIC);
 		if (p == NULL) {
 			DFS_POOL_STAT_INC(pulse_alloc_error);
 			return false;
@@ -299,7 +299,7 @@ static bool pseq_handler_create_sequences(struct pri_detector *pde,
 		ps.deadline_ts = ps.first_ts + ps.dur;
 		new_ps = pool_get_pseq_elem();
 		if (new_ps == NULL) {
-			new_ps = kmalloc(sizeof(*new_ps), GFP_KERNEL);
+			new_ps = kmalloc(sizeof(*new_ps), GFP_ATOMIC);
 			if (new_ps == NULL) {
 				DFS_POOL_STAT_INC(pseq_alloc_error);
 				return false;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 716058b67557..a47f5e05fc04 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -796,7 +796,7 @@ static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
 	 * required version.
 	 */
 	if (priv->fw_version_major != MAJOR_VERSION_REQ ||
-	    priv->fw_version_minor != MINOR_VERSION_REQ) {
+	    priv->fw_version_minor < MINOR_VERSION_REQ) {
 		dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
 			MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
 		return -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index ade3afb21f91..7fdac6c7b3ea 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct work_struct *work)
 	int i;
 	bool needreset = false;
 
-	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
-		if (ATH_TXQ_SETUP(sc, i)) {
-			txq = &sc->tx.txq[i];
-			ath_txq_lock(sc, txq);
-			if (txq->axq_depth) {
-				if (txq->axq_tx_inprogress) {
-					needreset = true;
-					ath_txq_unlock(sc, txq);
-					break;
-				} else {
-					txq->axq_tx_inprogress = true;
-				}
+	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+		txq = sc->tx.txq_map[i];
+
+		ath_txq_lock(sc, txq);
+		if (txq->axq_depth) {
+			if (txq->axq_tx_inprogress) {
+				needreset = true;
+				ath_txq_unlock(sc, txq);
+				break;
+			} else {
+				txq->axq_tx_inprogress = true;
 			}
-			ath_txq_unlock_complete(sc, txq);
 		}
+		ath_txq_unlock_complete(sc, txq);
+	}
 
 	if (needreset) {
 		ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
@@ -170,7 +170,8 @@ void ath_rx_poll(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
 
-	ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+	if (!test_bit(SC_OP_INVALID, &sc->sc_flags))
+		ieee80211_queue_work(sc->hw, &sc->hw_check_work);
 }
 
 /*
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6e66f9c6782b..988372d218a4 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -280,6 +280,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
 	if (r) {
 		ath_err(common,
 			"Unable to reset channel, reset status %d\n", r);
+
+		ath9k_hw_enable_interrupts(ah);
+		ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
+
 		goto out;
 	}