19 files changed, 311 insertions, 335 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index e1770e60be2..639ba7d18ea 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) {
@@ -1151,6 +1152,9 @@ 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/link.c b/drivers/net/wireless/ath/ath9k/link.c
index ade3afb21f9..7fdac6c7b3e 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/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 38bc5a7997f..122146943bf 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1487,8 +1487,12 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 	const struct b43_dma_ops *ops;
 	struct b43_dmaring *ring;
 	struct b43_dmadesc_meta *meta;
+	static const struct b43_txstatus fake; /* filled with 0 */
+	const struct b43_txstatus *txstat;
 	int slot, firstused;
 	bool frame_succeed;
+	int skip;
+	static u8 err_out1, err_out2;
 
 	ring = parse_cookie(dev, status->cookie, &slot);
 	if (unlikely(!ring))
@@ -1501,13 +1505,36 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 	firstused = ring->current_slot - ring->used_slots + 1;
 	if (firstused < 0)
 		firstused = ring->nr_slots + firstused;
+
+	skip = 0;
 	if (unlikely(slot != firstused)) {
 		/* This possibly is a firmware bug and will result in
-		 * malfunction, memory leaks and/or stall of DMA functionality. */
-		b43dbg(dev->wl, "Out of order TX status report on DMA ring %d. "
-		       "Expected %d, but got %d\n",
-		       ring->index, firstused, slot);
-		return;
+		 * malfunction, memory leaks and/or stall of DMA functionality.
+		 */
+		if (slot == next_slot(ring, next_slot(ring, firstused))) {
+			/* If a single header/data pair was missed, skip over
+			 * the first two slots in an attempt to recover.
+			 */
+			slot = firstused;
+			skip = 2;
+			if (!err_out1) {
+				/* Report the error once. */
+				b43dbg(dev->wl,
+				       "Skip on DMA ring %d slot %d.\n",
+				       ring->index, slot);
+				err_out1 = 1;
+			}
+		} else {
+			/* More than a single header/data pair were missed.
+			 * Report this error once.
+			 */
+			if (!err_out2)
+				b43dbg(dev->wl,
+				       "Out of order TX status report on DMA ring %d. Expected %d, but got %d\n",
+				       ring->index, firstused, slot);
+			err_out2 = 1;
+			return;
+		}
 	}
 
 	ops = ring->ops;
@@ -1522,11 +1549,13 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 			       slot, firstused, ring->index);
 			break;
 		}
+
 		if (meta->skb) {
 			struct b43_private_tx_info *priv_info =
-				b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
+			     b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
 
-			unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1);
+			unmap_descbuffer(ring, meta->dmaaddr,
+					 meta->skb->len, 1);
 			kfree(priv_info->bouncebuffer);
 			priv_info->bouncebuffer = NULL;
 		} else {
@@ -1538,8 +1567,9 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 			struct ieee80211_tx_info *info;
 
 			if (unlikely(!meta->skb)) {
-				/* This is a scatter-gather fragment of a frame, so
-				 * the skb pointer must not be NULL. */
+				/* This is a scatter-gather fragment of a frame,
+				 * so the skb pointer must not be NULL.
+				 */
 				b43dbg(dev->wl, "TX status unexpected NULL skb "
 				       "at slot %d (first=%d) on ring %d\n",
 				       slot, firstused, ring->index);
@@ -1550,9 +1580,18 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 
 			/*
 			 * Call back to inform the ieee80211 subsystem about
-			 * the status of the transmission.
+			 * the status of the transmission. When skipping over
+			 * a missed TX status report, use a status structure
+			 * filled with zeros to indicate that the frame was not
+			 * sent (frame_count 0) and not acknowledged
 			 */
-			frame_succeed = b43_fill_txstatus_report(dev, info, status);
+			if (unlikely(skip))
+				txstat = &fake;
+			else
+				txstat = status;
+
+			frame_succeed = b43_fill_txstatus_report(dev, info,
+								 txstat);
 #ifdef CONFIG_B43_DEBUG
 			if (frame_succeed)
 				ring->nr_succeed_tx_packets++;
@@ -1580,12 +1619,14 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 		/* Everything unmapped and free'd. So it's not used anymore. */
 		ring->used_slots--;
 
-		if (meta->is_last_fragment) {
+		if (meta->is_last_fragment && !skip) {
 			/* This is the last scatter-gather
 			 * fragment of the frame. We are done. */
 			break;
 		}
 		slot = next_slot(ring, slot);
+		if (skip > 0)
+			--skip;
 	}
 	if (ring->stopped) {
 		B43_WARN_ON(free_slots(ring) < TX_SLOTS_PER_FRAME);
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 3c35382ee6c..e8486c1e091 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1564,7 +1564,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
 	u16 clip_off[2] = { 0xFFFF, 0xFFFF };
 
 	u8 vcm_final = 0;
-	s8 offset[4];
+	s32 offset[4];
 	s32 results[8][4] = { };
 	s32 results_min[4] = { };
 	s32 poll_results[4] = { };
@@ -1615,7 +1615,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
 		}
 		for (i = 0; i < 4; i += 2) {
 			s32 curr;
-			s32 mind = 40;
+			s32 mind = 0x100000;
 			s32 minpoll = 249;
 			u8 minvcm = 0;
 			if (2 * core != i)
@@ -1732,7 +1732,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
 	u8 regs_save_radio[2];
 	u16 regs_save_phy[2];
 
-	s8 offset[4];
+	s32 offset[4];
 	u8 core;
 	u8 rail;
 
@@ -1799,7 +1799,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
 	}
 
 	for (i = 0; i < 4; i++) {
-		s32 mind = 40;
+		s32 mind = 0x100000;
 		u8 minvcm = 0;
 		s32 minpoll = 249;
 		s32 curr;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
index 427b0f613b9..3d6b16ce468 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
@@ -1137,9 +1137,8 @@ wlc_lcnphy_set_rx_gain_by_distribution(struct brcms_phy *pi,
 	gain0_15 = ((biq1 & 0xf) << 12) |
 		   ((tia & 0xf) << 8) |
 		   ((lna2 & 0x3) << 6) |
-		   ((lna2 & 0x3) << 4) |
-		   ((lna1 & 0x3) << 2) |
-		   ((lna1 & 0x3) << 0);
+		   ((lna2 &
+		     0x3) << 4) | ((lna1 & 0x3) << 2) | ((lna1 & 0x3) << 0);
 
 	mod_phy_reg(pi, 0x4b6, (0xffff << 0), gain0_15 << 0);
 	mod_phy_reg(pi, 0x4b7, (0xf << 0), gain16_19 << 0);
@@ -1157,8 +1156,6 @@ wlc_lcnphy_set_rx_gain_by_distribution(struct brcms_phy *pi,
 	}
 
 	mod_phy_reg(pi, 0x44d, (0x1 << 0), (!trsw) << 0);
-	mod_phy_reg(pi, 0x4b1, (0x3 << 11), lna1 << 11);
-	mod_phy_reg(pi, 0x4e6, (0x3 << 3), lna1 << 3);
 
 }
 
@@ -1331,43 +1328,6 @@ static u32 wlc_lcnphy_measure_digital_power(struct brcms_phy *pi, u16 nsamples)
 	return (iq_est.i_pwr + iq_est.q_pwr) / nsamples;
 }
 
-static bool wlc_lcnphy_rx_iq_cal_gain(struct brcms_phy *pi, u16 biq1_gain,
-				      u16 tia_gain, u16 lna2_gain)
-{
-	u32 i_thresh_l, q_thresh_l;
-	u32 i_thresh_h, q_thresh_h;
-	struct lcnphy_iq_est iq_est_h, iq_est_l;
-
-	wlc_lcnphy_set_rx_gain_by_distribution(pi, 0, 0, 0, biq1_gain, tia_gain,
-					       lna2_gain, 0);
-
-	wlc_lcnphy_rx_gain_override_enable(pi, true);
-	wlc_lcnphy_start_tx_tone(pi, 2000, (40 >> 1), 0);
-	udelay(500);
-	write_radio_reg(pi, RADIO_2064_REG112, 0);
-	if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_l))
-		return false;
-
-	wlc_lcnphy_start_tx_tone(pi, 2000, 40, 0);
-	udelay(500);
-	write_radio_reg(pi, RADIO_2064_REG112, 0);
-	if (!wlc_lcnphy_rx_iq_est(pi, 1024, 32, &iq_est_h))
-		return false;
-
-	i_thresh_l = (iq_est_l.i_pwr << 1);
-	i_thresh_h = (iq_est_l.i_pwr << 2) + iq_est_l.i_pwr;
-
-	q_thresh_l = (iq_est_l.q_pwr << 1);
-	q_thresh_h = (iq_est_l.q_pwr << 2) + iq_est_l.q_pwr;
-	if ((iq_est_h.i_pwr > i_thresh_l) &&
-	    (iq_est_h.i_pwr < i_thresh_h) &&
-	    (iq_est_h.q_pwr > q_thresh_l) &&
-	    (iq_est_h.q_pwr < q_thresh_h))
-		return true;
-
-	return false;
-}
-
 static bool
 wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
 		     const struct lcnphy_rx_iqcomp *iqcomp,
@@ -1382,8 +1342,8 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
 	    RFOverrideVal0_old, rfoverride2_old, rfoverride2val_old,
 	    rfoverride3_old, rfoverride3val_old, rfoverride4_old,
 	    rfoverride4val_old, afectrlovr_old, afectrlovrval_old;
-	int tia_gain, lna2_gain, biq1_gain;
-	bool set_gain;
+	int tia_gain;
+	u32 received_power, rx_pwr_threshold;
 	u16 old_sslpnCalibClkEnCtrl, old_sslpnRxFeClkEnCtrl;
 	u16 values_to_save[11];
 	s16 *ptr;
@@ -1408,134 +1368,126 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi,
 		goto cal_done;
 	}
 
-	WARN_ON(module != 1);
-	tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi);
-	wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF);
-
-	for (i = 0; i < 11; i++)
-		values_to_save[i] =
-			read_radio_reg(pi, rxiq_cal_rf_reg[i]);
-	Core1TxControl_old = read_phy_reg(pi, 0x631);
-
-	or_phy_reg(pi, 0x631, 0x0015);
-
-	RFOverride0_old = read_phy_reg(pi, 0x44c);
-	RFOverrideVal0_old = read_phy_reg(pi, 0x44d);
-	rfoverride2_old = read_phy_reg(pi, 0x4b0);
-	rfoverride2val_old = read_phy_reg(pi, 0x4b1);
-	rfoverride3_old = read_phy_reg(pi, 0x4f9);
-	rfoverride3val_old = read_phy_reg(pi, 0x4fa);
-	rfoverride4_old = read_phy_reg(pi, 0x938);
-	rfoverride4val_old = read_phy_reg(pi, 0x939);
-	afectrlovr_old = read_phy_reg(pi, 0x43b);
-	afectrlovrval_old = read_phy_reg(pi, 0x43c);
-	old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da);
-	old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db);
-
-	tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi);
-	if (tx_gain_override_old) {
-		wlc_lcnphy_get_tx_gain(pi, &old_gains);
-		tx_gain_index_old = pi_lcn->lcnphy_current_index;
-	}
-
-	wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx);
+	if (module == 1) {
 
-	mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0);
-	mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0);
+		tx_pwr_ctrl = wlc_lcnphy_get_tx_pwr_ctrl(pi);
+		wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF);
 
-	mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1);
-	mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1);
+		for (i = 0; i < 11; i++)
+			values_to_save[i] =
+				read_radio_reg(pi, rxiq_cal_rf_reg[i]);
+		Core1TxControl_old = read_phy_reg(pi, 0x631);
+
+		or_phy_reg(pi, 0x631, 0x0015);
+
+		RFOverride0_old = read_phy_reg(pi, 0x44c);
+		RFOverrideVal0_old = read_phy_reg(pi, 0x44d);
+		rfoverride2_old = read_phy_reg(pi, 0x4b0);
+		rfoverride2val_old = read_phy_reg(pi, 0x4b1);
+		rfoverride3_old = read_phy_reg(pi, 0x4f9);
+		rfoverride3val_old = read_phy_reg(pi, 0x4fa);
+		rfoverride4_old = read_phy_reg(pi, 0x938);
+		rfoverride4val_old = read_phy_reg(pi, 0x939);
+		afectrlovr_old = read_phy_reg(pi, 0x43b);
+		afectrlovrval_old = read_phy_reg(pi, 0x43c);
+		old_sslpnCalibClkEnCtrl = read_phy_reg(pi, 0x6da);
+		old_sslpnRxFeClkEnCtrl = read_phy_reg(pi, 0x6db);
+
+		tx_gain_override_old = wlc_lcnphy_tx_gain_override_enabled(pi);
+		if (tx_gain_override_old) {
+			wlc_lcnphy_get_tx_gain(pi, &old_gains);
+			tx_gain_index_old = pi_lcn->lcnphy_current_index;
+		}
 
-	write_radio_reg(pi, RADIO_2064_REG116, 0x06);
-	write_radio_reg(pi, RADIO_2064_REG12C, 0x07);
-	write_radio_reg(pi, RADIO_2064_REG06A, 0xd3);
-	write_radio_reg(pi, RADIO_2064_REG098, 0x03);
-	write_radio_reg(pi, RADIO_2064_REG00B, 0x7);
-	mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4);
-	write_radio_reg(pi, RADIO_2064_REG01D, 0x01);
-	write_radio_reg(pi, RADIO_2064_REG114, 0x01);
-	write_radio_reg(pi, RADIO_2064_REG02E, 0x10);
-	write_radio_reg(pi, RADIO_2064_REG12A, 0x08);
-
-	mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0);
-	mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0);
-	mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1);
-	mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1);
-	mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2);
-	mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2);
-	mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3);
-	mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3);
-	mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5);
-	mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5);
+		wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_idx);
 
-	mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0);
-	mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0);
+		mod_phy_reg(pi, 0x4f9, (0x1 << 0), 1 << 0);
+		mod_phy_reg(pi, 0x4fa, (0x1 << 0), 0 << 0);
 
-	write_phy_reg(pi, 0x6da, 0xffff);
-	or_phy_reg(pi, 0x6db, 0x3);
+		mod_phy_reg(pi, 0x43b, (0x1 << 1), 1 << 1);
+		mod_phy_reg(pi, 0x43c, (0x1 << 1), 0 << 1);
 
-	wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch);
-	set_gain = false;
-
-	lna2_gain = 3;
-	while ((lna2_gain >= 0) && !set_gain) {
-		tia_gain = 4;
-
-		while ((tia_gain >= 0) && !set_gain) {
-			biq1_gain = 6;
-
-			while ((biq1_gain >= 0) && !set_gain) {
-				set_gain = wlc_lcnphy_rx_iq_cal_gain(pi,
-								     (u16)
-								     biq1_gain,
-								     (u16)
-								     tia_gain,
-								     (u16)
-								     lna2_gain);
-				biq1_gain -= 1;
-			}
+		write_radio_reg(pi, RADIO_2064_REG116, 0x06);
+		write_radio_reg(pi, RADIO_2064_REG12C, 0x07);
+		write_radio_reg(pi, RADIO_2064_REG06A, 0xd3);
+		write_radio_reg(pi, RADIO_2064_REG098, 0x03);
+		write_radio_reg(pi, RADIO_2064_REG00B, 0x7);
+		mod_radio_reg(pi, RADIO_2064_REG113, 1 << 4, 1 << 4);
+		write_radio_reg(pi, RADIO_2064_REG01D, 0x01);
+		write_radio_reg(pi, RADIO_2064_REG114, 0x01);
+		write_radio_reg(pi, RADIO_2064_REG02E, 0x10);
+		write_radio_reg(pi, RADIO_2064_REG12A, 0x08);
+
+		mod_phy_reg(pi, 0x938, (0x1 << 0), 1 << 0);
+		mod_phy_reg(pi, 0x939, (0x1 << 0), 0 << 0);
+		mod_phy_reg(pi, 0x938, (0x1 << 1), 1 << 1);
+		mod_phy_reg(pi, 0x939, (0x1 << 1), 1 << 1);
+		mod_phy_reg(pi, 0x938, (0x1 << 2), 1 << 2);
+		mod_phy_reg(pi, 0x939, (0x1 << 2), 1 << 2);
+		mod_phy_reg(pi, 0x938, (0x1 << 3), 1 << 3);
+		mod_phy_reg(pi, 0x939, (0x1 << 3), 1 << 3);
+		mod_phy_reg(pi, 0x938, (0x1 << 5), 1 << 5);
+		mod_phy_reg(pi, 0x939, (0x1 << 5), 0 << 5);
+
+		mod_phy_reg(pi, 0x43b, (0x1 << 0), 1 << 0);
+		mod_phy_reg(pi, 0x43c, (0x1 << 0), 0 << 0);
+
+		wlc_lcnphy_start_tx_tone(pi, 2000, 120, 0);
+		write_phy_reg(pi, 0x6da, 0xffff);
+		or_phy_reg(pi, 0x6db, 0x3);
+		wlc_lcnphy_set_trsw_override(pi, tx_switch, rx_switch);
+		wlc_lcnphy_rx_gain_override_enable(pi, true);
+
+		tia_gain = 8;
+		rx_pwr_threshold = 950;
+		while (tia_gain > 0) {
 			tia_gain -= 1;
+			wlc_lcnphy_set_rx_gain_by_distribution(pi,
+							       0, 0, 2, 2,
+							       (u16)
+							       tia_gain, 1, 0);
+			udelay(500);
+
+			received_power =
+				wlc_lcnphy_measure_digital_power(pi, 2000);
+			if (received_power < rx_pwr_threshold)
+				break;
 		}
-		lna2_gain -= 1;
-	}
+		result = wlc_lcnphy_calc_rx_iq_comp(pi, 0xffff);
 
-	if (set_gain)
-		result = wlc_lcnphy_calc_rx_iq_comp(pi, 1024);
-	else
-		result = false;
+		wlc_lcnphy_stop_tx_tone(pi);
 
-	wlc_lcnphy_stop_tx_tone(pi);
+		write_phy_reg(pi, 0x631, Core1TxControl_old);
 
-	write_phy_reg(pi, 0x631, Core1TxControl_old);
-
-	write_phy_reg(pi, 0x44c, RFOverrideVal0_old);
-	write_phy_reg(pi, 0x44d, RFOverrideVal0_old);
-	write_phy_reg(pi, 0x4b0, rfoverride2_old);
-	write_phy_reg(pi, 0x4b1, rfoverride2val_old);
-	write_phy_reg(pi, 0x4f9, rfoverride3_old);
-	write_phy_reg(pi, 0x4fa, rfoverride3val_old);
-	write_phy_reg(pi, 0x938, rfoverride4_old);
-	write_phy_reg(pi, 0x939, rfoverride4val_old);
-	write_phy_reg(pi, 0x43b, afectrlovr_old);
-	write_phy_reg(pi, 0x43c, afectrlovrval_old);
-	write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl);
-	write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl);
+		write_phy_reg(pi, 0x44c, RFOverrideVal0_old);
+		write_phy_reg(pi, 0x44d, RFOverrideVal0_old);
+		write_phy_reg(pi, 0x4b0, rfoverride2_old);
+		write_phy_reg(pi, 0x4b1, rfoverride2val_old);
+		write_phy_reg(pi, 0x4f9, rfoverride3_old);
+		write_phy_reg(pi, 0x4fa, rfoverride3val_old);
+		write_phy_reg(pi, 0x938, rfoverride4_old);
+		write_phy_reg(pi, 0x939, rfoverride4val_old);
+		write_phy_reg(pi, 0x43b, afectrlovr_old);
+		write_phy_reg(pi, 0x43c, afectrlovrval_old);
+		write_phy_reg(pi, 0x6da, old_sslpnCalibClkEnCtrl);
+		write_phy_reg(pi, 0x6db, old_sslpnRxFeClkEnCtrl);
 
-	wlc_lcnphy_clear_trsw_override(pi);
+		wlc_lcnphy_clear_trsw_override(pi);
 
-	mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2);
+		mod_phy_reg(pi, 0x44c, (0x1 << 2), 0 << 2);
 
-	for (i = 0; i < 11; i++)
-		write_radio_reg(pi, rxiq_cal_rf_reg[i],
-				values_to_save[i]);
+		for (i = 0; i < 11; i++)
+			write_radio_reg(pi, rxiq_cal_rf_reg[i],
+					values_to_save[i]);
 
-	if (tx_gain_override_old)
-		wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old);
-	else
-		wlc_lcnphy_disable_tx_gain_override(pi);
+		if (tx_gain_override_old)
+			wlc_lcnphy_set_tx_pwr_by_index(pi, tx_gain_index_old);
+		else
+			wlc_lcnphy_disable_tx_gain_override(pi);
 
-	wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl);
-	wlc_lcnphy_rx_gain_override_enable(pi, false);
+		wlc_lcnphy_set_tx_pwr_ctrl(pi, tx_pwr_ctrl);
+		wlc_lcnphy_rx_gain_override_enable(pi, false);
+	}
 
 cal_done:
 	kfree(ptr);
@@ -1837,17 +1789,6 @@ wlc_lcnphy_radio_2064_channel_tune_4313(struct brcms_phy *pi, u8 channel)
 		write_radio_reg(pi, RADIO_2064_REG038, 3);
 		write_radio_reg(pi, RADIO_2064_REG091, 7);
 	}
-
-	if (!(pi->sh->boardflags & BFL_FEM)) {
-		u8 reg038[14] = {0xd, 0xe, 0xd, 0xd, 0xd, 0xc,
-			0xa, 0xb, 0xb, 0x3, 0x3, 0x2, 0x0, 0x0};
-
-		write_radio_reg(pi, RADIO_2064_REG02A, 0xf);
-		write_radio_reg(pi, RADIO_2064_REG091, 0x3);
-		write_radio_reg(pi, RADIO_2064_REG038, 0x3);
-
-		write_radio_reg(pi, RADIO_2064_REG038, reg038[channel - 1]);
-	}
 }
 
 static int
@@ -2042,16 +1983,6 @@ wlc_lcnphy_set_tssi_mux(struct brcms_phy *pi, enum lcnphy_tssi_mode pos)
 		} else {
 			mod_radio_reg(pi, RADIO_2064_REG03A, 1, 0x1);
 			mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8);
-			mod_radio_reg(pi, RADIO_2064_REG028, 0x1, 0x0);
-			mod_radio_reg(pi, RADIO_2064_REG11A, 0x4, 1<<2);
-			mod_radio_reg(pi, RADIO_2064_REG036, 0x10, 0x0);
-			mod_radio_reg(pi, RADIO_2064_REG11A, 0x10, 1<<4);
-			mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0);
-			mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x77);
-			mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, 0xe<<1);
-			mod_radio_reg(pi, RADIO_2064_REG112, 0x80, 1<<7);
-			mod_radio_reg(pi, RADIO_2064_REG005, 0x7, 1<<1);
-			mod_radio_reg(pi, RADIO_2064_REG029, 0xf0, 0<<4);
 		}
 	} else {
 		mod_phy_reg(pi, 0x4d9, (0x1 << 2), (0x1) << 2);
@@ -2138,14 +2069,12 @@ static void wlc_lcnphy_pwrctrl_rssiparams(struct brcms_phy *pi)
 		    (auxpga_vmid_temp << 0) | (auxpga_gain_temp << 12));
 
 	mod_radio_reg(pi, RADIO_2064_REG082, (1 << 5), (1 << 5));
-	mod_radio_reg(pi, RADIO_2064_REG07C, (1 << 0), (1 << 0));
 }
 
 static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 {
 	struct phytbl_info tab;
 	u32 rfseq, ind;
-	u8 tssi_sel;
 
 	tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL;
 	tab.tbl_width = 32;
@@ -2167,13 +2096,7 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 
 	mod_phy_reg(pi, 0x503, (0x1 << 4), (1) << 4);
 
-	if (pi->sh->boardflags & BFL_FEM) {
-		tssi_sel = 0x1;
-		wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_EXT);
-	} else {
-		tssi_sel = 0xe;
-		wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_POST_PA);
-	}
+	wlc_lcnphy_set_tssi_mux(pi, LCNPHY_TSSI_EXT);
 	mod_phy_reg(pi, 0x4a4, (0x1 << 14), (0) << 14);
 
 	mod_phy_reg(pi, 0x4a4, (0x1 << 15), (1) << 15);
@@ -2209,10 +2132,9 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 	mod_phy_reg(pi, 0x49a, (0x1ff << 0), (0xff) << 0);
 
 	if (LCNREV_IS(pi->pubpi.phy_rev, 2)) {
-		mod_radio_reg(pi, RADIO_2064_REG028, 0xf, tssi_sel);
+		mod_radio_reg(pi, RADIO_2064_REG028, 0xf, 0xe);
 		mod_radio_reg(pi, RADIO_2064_REG086, 0x4, 0x4);
 	} else {
-		mod_radio_reg(pi, RADIO_2064_REG028, 0x1e, tssi_sel << 1);
 		mod_radio_reg(pi, RADIO_2064_REG03A, 0x1, 1);
 		mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 1 << 3);
 	}
@@ -2259,10 +2181,6 @@ static void wlc_lcnphy_tssi_setup(struct brcms_phy *pi)
 
 	mod_phy_reg(pi, 0x4d7, (0xf << 8), (0) << 8);
 
-	mod_radio_reg(pi, RADIO_2064_REG035, 0xff, 0x0);
-	mod_radio_reg(pi, RADIO_2064_REG036, 0x3, 0x0);
-	mod_radio_reg(pi, RADIO_2064_REG11A, 0x8, 0x8);
-
 	wlc_lcnphy_pwrctrl_rssiparams(pi);
 }
 
@@ -2881,8 +2799,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
 		read_radio_reg(pi, RADIO_2064_REG007) & 1;
 	u16 SAVE_jtag_auxpga = read_radio_reg(pi, RADIO_2064_REG0FF) & 0x10;
 	u16 SAVE_iqadc_aux_en = read_radio_reg(pi, RADIO_2064_REG11F) & 4;
-	u8 SAVE_bbmult = wlc_lcnphy_get_bbmult(pi);
-
 	idleTssi = read_phy_reg(pi, 0x4ab);
 	suspend = (0 == (bcma_read32(pi->d11core, D11REGOFFS(maccontrol)) &
 			 MCTL_EN_MAC));
@@ -2900,12 +2816,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
 	mod_radio_reg(pi, RADIO_2064_REG0FF, 0x10, 1 << 4);
 	mod_radio_reg(pi, RADIO_2064_REG11F, 0x4, 1 << 2);
 	wlc_lcnphy_tssi_setup(pi);
-
-	mod_phy_reg(pi, 0x4d7, (0x1 << 0), (1 << 0));
-	mod_phy_reg(pi, 0x4d7, (0x1 << 6), (1 << 6));
-
-	wlc_lcnphy_set_bbmult(pi, 0x0);
-
 	wlc_phy_do_dummy_tx(pi, true, OFF);
 	idleTssi = ((read_phy_reg(pi, 0x4ab) & (0x1ff << 0))
 		    >> 0);
@@ -2927,7 +2837,6 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
 
 	mod_phy_reg(pi, 0x44c, (0x1 << 12), (0) << 12);
 
-	wlc_lcnphy_set_bbmult(pi, SAVE_bbmult);
 	wlc_lcnphy_set_tx_gain_override(pi, tx_gain_override_old);
 	wlc_lcnphy_set_tx_gain(pi, &old_gains);
 	wlc_lcnphy_set_tx_pwr_ctrl(pi, SAVE_txpwrctrl);
@@ -3141,11 +3050,6 @@ static void wlc_lcnphy_tx_pwr_ctrl_init(struct brcms_phy_pub *ppi)
 			wlc_lcnphy_write_table(pi, &tab);
 			tab.tbl_offset++;
 		}
-		mod_phy_reg(pi, 0x4d0, (0x1 << 0), (0) << 0);
-		mod_phy_reg(pi, 0x4d3, (0xff << 0), (0) << 0);
-		mod_phy_reg(pi, 0x4d3, (0xff << 8), (0) << 8);
-		mod_phy_reg(pi, 0x4d0, (0x1 << 4), (0) << 4);
-		mod_phy_reg(pi, 0x4d0, (0x1 << 2), (0) << 2);
 
 		mod_phy_reg(pi, 0x410, (0x1 << 7), (0) << 7);
 
@@ -3947,6 +3851,7 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi)
 	target_gains.pad_gain = 21;
 	target_gains.dac_gain = 0;
 	wlc_lcnphy_set_tx_gain(pi, &target_gains);
+	wlc_lcnphy_set_tx_pwr_by_index(pi, 16);
 
 	if (LCNREV_IS(pi->pubpi.phy_rev, 1) || pi_lcn->lcnphy_hw_iqcal_en) {
 
@@ -3957,7 +3862,6 @@ static void wlc_lcnphy_txpwrtbl_iqlo_cal(struct brcms_phy *pi)
 					lcnphy_recal ? LCNPHY_CAL_RECAL :
 					LCNPHY_CAL_FULL), false);
 	} else {
-		wlc_lcnphy_set_tx_pwr_by_index(pi, 16);
 		wlc_lcnphy_tx_iqlo_soft_cal_full(pi);
 	}
 
@@ -4382,22 +4286,17 @@ wlc_lcnphy_load_tx_gain_table(struct brcms_phy *pi,
 	if (CHSPEC_IS5G(pi->radio_chanspec))
 		pa_gain = 0x70;
 	else
-		pa_gain = 0x60;
+		pa_gain = 0x70;
 
 	if (pi->sh->boardflags & BFL_FEM)
 		pa_gain = 0x10;
-
 	tab.tbl_id = LCNPHY_TBL_ID_TXPWRCTL;
 	tab.tbl_width = 32;
 	tab.tbl_len = 1;
 	tab.tbl_ptr = &val;
 
 	for (j = 0; j < 128; j++) {
-		if (pi->sh->boardflags & BFL_FEM)
-			gm_gain = gain_table[j].gm;
-		else
-			gm_gain = 15;
-
+		gm_gain = gain_table[j].gm;
 		val = (((u32) pa_gain << 24) |
 		       (gain_table[j].pad << 16) |
 		       (gain_table[j].pga << 8) | gm_gain);
@@ -4608,10 +4507,7 @@ static void wlc_radio_2064_init(struct brcms_phy *pi)
 
 	write_phy_reg(pi, 0x4ea, 0x4688);
 
-	if (pi->sh->boardflags & BFL_FEM)
-		mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0);
-	else
-		mod_phy_reg(pi, 0x4eb, (0x7 << 0), 3 << 0);
+	mod_phy_reg(pi, 0x4eb, (0x7 << 0), 2 << 0);
 
 	mod_phy_reg(pi, 0x4eb, (0x7 << 6), 0 << 6);
 
@@ -4622,13 +4518,6 @@ static void wlc_radio_2064_init(struct brcms_phy *pi)
 	wlc_lcnphy_rcal(pi);
 
 	wlc_lcnphy_rc_cal(pi);
-
-	if (!(pi->sh->boardflags & BFL_FEM)) {
-		write_radio_reg(pi, RADIO_2064_REG032, 0x6f);
-		write_radio_reg(pi, RADIO_2064_REG033, 0x19);
-		write_radio_reg(pi, RADIO_2064_REG039, 0xe);
-	}
-
 }
 
 static void wlc_lcnphy_radio_init(struct brcms_phy *pi)
@@ -4658,20 +4547,22 @@ static void wlc_lcnphy_tbl_init(struct brcms_phy *pi)
 		wlc_lcnphy_write_table(pi, &tab);
 	}
 
-	if (!(pi->sh->boardflags & BFL_FEM)) {
-		tab.tbl_id = LCNPHY_TBL_ID_RFSEQ;
-		tab.tbl_width = 16;
-		tab.tbl_ptr = &val;
-		tab.tbl_len = 1;
+	tab.tbl_id = LCNPHY_TBL_ID_RFSEQ;
+	tab.tbl_width = 16;
+	tab.tbl_ptr = &val;
+	tab.tbl_len = 1;
 
-		val = 150;
-		tab.tbl_offset = 0;
-		wlc_lcnphy_write_table(pi, &tab);
+	val = 114;
+	tab.tbl_offset = 0;
+	wlc_lcnphy_write_table(pi, &tab);
 
-		val = 220;
-		tab.tbl_offset = 1;
-		wlc_lcnphy_write_table(pi, &tab);
-	}
+	val = 130;
+	tab.tbl_offset = 1;
+	wlc_lcnphy_write_table(pi, &tab);
+
+	val = 6;
+	tab.tbl_offset = 8;
+	wlc_lcnphy_write_table(pi, &tab);
 
 	if (CHSPEC_IS2G(pi->radio_chanspec)) {
 		if (pi->sh->boardflags & BFL_FEM)
@@ -5064,7 +4955,6 @@ void wlc_phy_chanspec_set_lcnphy(struct brcms_phy *pi, u16 chanspec)
 		wlc_lcnphy_load_tx_iir_filter(pi, true, 3);
 
 	mod_phy_reg(pi, 0x4eb, (0x7 << 3), (1) << 3);
-	wlc_lcnphy_tssi_setup(pi);
 }
 
 void wlc_phy_detach_lcnphy(struct brcms_phy *pi)
@@ -5103,7 +4993,8 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi)
 	if (!wlc_phy_txpwr_srom_read_lcnphy(pi))
 		return false;
 
-	if (LCNREV_IS(pi->pubpi.phy_rev, 1)) {
+	if ((pi->sh->boardflags & BFL_FEM) &&
+	    (LCNREV_IS(pi->pubpi.phy_rev, 1))) {
 		if (pi_lcn->lcnphy_tempsense_option == 3) {
 			pi->hwpwrctrl = true;
 			pi->hwpwrctrl_capable = true;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
index b7e95acc208..622c01ca72c 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
@@ -1992,70 +1992,70 @@ static const u16 dot11lcn_sw_ctrl_tbl_4313_epa_rev0[] = {
 };
 
 static const u16 dot11lcn_sw_ctrl_tbl_4313_rev0[] = {
-	0x0009,
 	0x000a,
-	0x0005,
-	0x0006,
 	0x0009,
-	0x000a,
-	0x0005,
 	0x0006,
-	0x0009,
-	0x000a,
 	0x0005,
-	0x0006,
-	0x0009,
 	0x000a,
-	0x0005,
-	0x0006,
 	0x0009,
-	0x000a,
-	0x0005,
 	0x0006,
-	0x0009,
-	0x000a,
 	0x0005,
-	0x0006,
-	0x0009,
 	0x000a,
-	0x0005,
-	0x0006,
 	0x0009,
-	0x000a,
-	0x0005,
 	0x0006,
-	0x0009,
-	0x000a,
 	0x0005,
-	0x0006,
-	0x0009,
 	0x000a,
-	0x0005,
-	0x0006,
 	0x0009,
-	0x000a,
-	0x0005,
 	0x0006,
-	0x0009,
-	0x000a,
 	0x0005,
-	0x0006,
+	0x000a,
 	0x0009,
+	0x0006,
+	0x0005,
 	0x000a,
+	0x0009,
+	0x0006,
 	0x0005,
+	0x000a,
+	0x0009,
 	0x0006,
+	0x0005,
+	0x000a,
 	0x0009,
+	0x0006,
+	0x0005,
 	0x000a,
+	0x0009,
+	0x0006,
 	0x0005,
+	0x000a,
+	0x0009,
 	0x0006,
+	0x0005,
+	0x000a,
 	0x0009,
+	0x0006,
+	0x0005,
 	0x000a,
+	0x0009,
+	0x0006,
 	0x0005,
+	0x000a,
+	0x0009,
 	0x0006,
+	0x0005,
+	0x000a,
 	0x0009,
+	0x0006,
+	0x0005,
 	0x000a,
+	0x0009,
+	0x0006,
 	0x0005,
+	0x000a,
+	0x0009,
 	0x0006,
+	0x0005,
 };
 
 static const u16 dot11lcn_sw_ctrl_tbl_rev0[] = {
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index df5a57c7480..b37a582ccbe 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -475,6 +475,7 @@ il3945_tx_skb(struct il_priv *il,
 	dma_addr_t txcmd_phys;
 	int txq_id = skb_get_queue_mapping(skb);
 	u16 len, idx, hdr_len;
+	u16 firstlen, secondlen;
 	u8 id;
 	u8 unicast;
 	u8 sta_id;
@@ -589,21 +590,22 @@ il3945_tx_skb(struct il_priv *il,
 	len =
 	    sizeof(struct il3945_tx_cmd) + sizeof(struct il_cmd_header) +
 	    hdr_len;
-	len = (len + 3) & ~3;
+	firstlen = (len + 3) & ~3;
 
 	/* Physical address of this Tx command's header (not MAC header!),
 	 * within command buffer array. */
 	txcmd_phys =
-	    pci_map_single(il->pci_dev, &out_cmd->hdr, len, PCI_DMA_TODEVICE);
+	    pci_map_single(il->pci_dev, &out_cmd->hdr, firstlen,
+			   PCI_DMA_TODEVICE);
 	if (unlikely(pci_dma_mapping_error(il->pci_dev, txcmd_phys)))
 		goto drop_unlock;
 
 	/* Set up TFD's 2nd entry to point directly to remainder of skb,
 	 * if any (802.11 null frames have no payload). */
-	len = skb->len - hdr_len;
-	if (len) {
+	secondlen = skb->len - hdr_len;
+	if (secondlen > 0) {
 		phys_addr =
-		    pci_map_single(il->pci_dev, skb->data + hdr_len, len,
+		    pci_map_single(il->pci_dev, skb->data + hdr_len, secondlen,
 				   PCI_DMA_TODEVICE);
 		if (unlikely(pci_dma_mapping_error(il->pci_dev, phys_addr)))
 			goto drop_unlock;
@@ -611,12 +613,12 @@ il3945_tx_skb(struct il_priv *il,
 
 	/* Add buffer containing Tx command and MAC(!) header to TFD's
 	 * first entry */
-	il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0);
+	il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0);
 	dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
-	dma_unmap_len_set(out_meta, len, len);
-	if (len)
-		il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0,
-					       U32_PAD(len));
+	dma_unmap_len_set(out_meta, len, firstlen);
+	if (secondlen > 0)
+		il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, secondlen, 0,
+					       U32_PAD(secondlen));
 
 	if (!ieee80211_has_morefrags(hdr->frame_control)) {
 		txq->need_update = 1;
diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index e8324b5e5bf..6c7493c2d69 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -2152,7 +2152,7 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
 	int rate_idx;
 	int i;
 	u32 rate;
-	u8 use_green = il4965_rs_use_green(il, sta);
+	u8 use_green;
 	u8 active_tbl = 0;
 	u8 valid_tx_ant;
 	struct il_station_priv *sta_priv;
@@ -2160,6 +2160,7 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
 	if (!sta || !lq_sta)
 		return;
 
+	use_green = il4965_rs_use_green(il, sta);
 	sta_priv = (void *)sta->drv_priv;
 
 	i = lq_sta->last_txrate_idx;
diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index cddf77c36b3..87c006c9c57 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -1262,6 +1262,15 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	}
 
 	/*
+	 * This can happen upon FW ASSERT: we clear the STATUS_FW_ERROR flag
+	 * in iwl_down but cancel the workers only later.
+	 */
+	if (!priv->ucode_loaded) {
+		IWL_ERR(priv, "Fw not loaded - dropping CMD: %x\n", cmd->id);
+		return -EIO;
+	}
+
+	/*
 	 * Synchronous commands from this op-mode must hold
 	 * the mutex, this ensures we don't try to send two
 	 * (or more) synchronous commands at a time.
diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c
index 166019afc2d..0a1cdc5e856 100644
--- a/drivers/net/wireless/iwlwifi/dvm/ucode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c
@@ -367,6 +367,8 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 		return -EIO;
 	}
 
+	priv->ucode_loaded = true;
+
 	if (ucode_type != IWL_UCODE_WOWLAN) {
 		/* delay a bit to give rfkill time to run */
 		msleep(5);
@@ -380,8 +382,6 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 		return ret;
 	}
 
-	priv->ucode_loaded = true;
-
 	return 0;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 6649e377e9c..50ba0a468f9 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -475,6 +475,10 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
 
 	/* If platform's RF_KILL switch is NOT set to KILL */
 	hw_rfkill = iwl_is_rfkill_set(trans);
+	if (hw_rfkill)
+		set_bit(STATUS_RFKILL, &trans_pcie->status);
+	else
+		clear_bit(STATUS_RFKILL, &trans_pcie->status);
 	iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
 	if (hw_rfkill && !run_in_rfkill)
 		return -ERFKILL;
@@ -641,6 +645,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
 
 static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
 {
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	bool hw_rfkill;
 	int err;
 
@@ -656,6 +661,10 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
 	iwl_enable_rfkill_int(trans);
 
 	hw_rfkill = iwl_is_rfkill_set(trans);
+	if (hw_rfkill)
+		set_bit(STATUS_RFKILL, &trans_pcie->status);
+	else
+		clear_bit(STATUS_RFKILL, &trans_pcie->status);
 	iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
 
 	return 0;
@@ -694,6 +703,10 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans,
 		 * op_mode.
 		 */
 		hw_rfkill = iwl_is_rfkill_set(trans);
+		if (hw_rfkill)
+			set_bit(STATUS_RFKILL, &trans_pcie->status);
+		else
+			clear_bit(STATUS_RFKILL, &trans_pcie->status);
 		iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
 	}
 }
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index a4508c2fa92..c3f15df67b9 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1264,7 +1264,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
 	for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {
 		int copy = 0;
 
-		if (!cmd->len)
+		if (!cmd->len[i])
 			continue;
 
 		/* need at least IWL_HCMD_SCRATCHBUF_SIZE copied */
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index d19a88c47a4..9a1302bd4c0 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -157,6 +157,20 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
 		return -1;
 	}
 
+	cmd_code = le16_to_cpu(host_cmd->command);
+	cmd_size = le16_to_cpu(host_cmd->size);
+
+	if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET &&
+	    cmd_code != HostCmd_CMD_FUNC_SHUTDOWN &&
+	    cmd_code != HostCmd_CMD_FUNC_INIT) {
+		dev_err(adapter->dev,
+			"DNLD_CMD: FW in reset state, ignore cmd %#x\n",
+			cmd_code);
+		mwifiex_complete_cmd(adapter, cmd_node);
+		mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+		return -1;
+	}
+
 	/* Set command sequence number */
 	adapter->seq_num++;
 	host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO
@@ -168,9 +182,6 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
 	adapter->curr_cmd = cmd_node;
 	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
 
-	cmd_code = le16_to_cpu(host_cmd->command);
-	cmd_size = le16_to_cpu(host_cmd->size);
-
 	/* Adjust skb length */
 	if (cmd_node->cmd_skb->len > cmd_size)
 		/*
@@ -484,8 +495,6 @@ int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 
 	ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid,
 				     data_buf);
-	if (!ret)
-		ret = mwifiex_wait_queue_complete(adapter);
 
 	return ret;
 }
@@ -588,9 +597,10 @@ int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 	if (cmd_no == HostCmd_CMD_802_11_SCAN) {
 		mwifiex_queue_scan_cmd(priv, cmd_node);
 	} else {
-		adapter->cmd_queued = cmd_node;
 		mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true);
 		queue_work(adapter->workqueue, &adapter->main_work);
+		if (cmd_node->wait_q_enabled)
+			ret = mwifiex_wait_queue_complete(adapter, cmd_node);
 	}
 
 	return ret;
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index cab3434d0d5..daf8801cecd 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -709,6 +709,14 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter)
 		return ret;
 	}
 
+	/* cancel current command */
+	if (adapter->curr_cmd) {
+		dev_warn(adapter->dev, "curr_cmd is still in processing\n");
+		del_timer(&adapter->cmd_timer);
+		mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+		adapter->curr_cmd = NULL;
+	}
+
 	/* shut down mwifiex */
 	dev_dbg(adapter->dev, "info: shutdown mwifiex...\n");
 
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 975bc186a64..535595eeb5c 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -728,7 +728,6 @@ struct mwifiex_adapter {
 	u16 cmd_wait_q_required;
 	struct mwifiex_wait_queue cmd_wait_q;
 	u8 scan_wait_q_woken;
-	struct cmd_ctrl_node *cmd_queued;
 	spinlock_t queue_lock;		/* lock for tx queues */
 	struct completion fw_load;
 	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
@@ -1029,7 +1028,8 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 			struct mwifiex_multicast_list *mcast_list);
 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 			    struct net_device *dev);
-int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
+int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
+				struct cmd_ctrl_node *cmd_queued);
 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 		      struct cfg80211_ssid *req_ssid);
 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index b5ff9f1f69c..856959b64bc 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1519,6 +1519,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
 		}
 		memcpy(adapter->upld_buf, skb->data,
 		       min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len));
+		skb_push(skb, INTF_HEADER_LEN);
 		if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE,
 					   PCI_DMA_FROMDEVICE))
 			return -1;
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index bb60c2754a9..d215b4d3c51 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1388,10 +1388,13 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
 			list_del(&cmd_node->list);
 			spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
 					       flags);
-			adapter->cmd_queued = cmd_node;
 			mwifiex_insert_cmd_to_pending_q(adapter, cmd_node,
 							true);
 			queue_work(adapter->workqueue, &adapter->main_work);
+
+			/* Perform internal scan synchronously */
+			if (!priv->scan_request)
+				mwifiex_wait_queue_complete(adapter, cmd_node);
 		} else {
 			spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
 					       flags);
@@ -1946,9 +1949,6 @@ int mwifiex_request_scan(struct mwifiex_private *priv,
 		/* Normal scan */
 		ret = mwifiex_scan_networks(priv, NULL);
 
-	if (!ret)
-		ret = mwifiex_wait_queue_complete(priv->adapter);
-
 	up(&priv->async_sem);
 
 	return ret;
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 76d31deb7b1..8c943b6ebf4 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -54,16 +54,10 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
  * This function waits on a cmd wait queue. It also cancels the pending
  * request after waking up, in case of errors.
  */
-int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
+int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
+				struct cmd_ctrl_node *cmd_queued)
 {
 	int status;
-	struct cmd_ctrl_node *cmd_queued;
-
-	if (!adapter->cmd_queued)
-		return 0;
-
-	cmd_queued = adapter->cmd_queued;
-	adapter->cmd_queued = NULL;
 
 	dev_dbg(adapter->dev, "cmd pending\n");
 	atomic_inc(&adapter->cmd_pending);
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 72c2614213c..83915dcd0e5 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -932,6 +932,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
 	if (unlikely(!_urb)) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 			 "Can't allocate urb. Drop skb!\n");
+		kfree_skb(skb);
 		return;
 	}
 	_rtl_submit_tx_urb(hw, _urb);