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

Conflicts:
	drivers/net/wireless/wl12xx/wl1271.h
	drivers/net/wireless/wl12xx/wl1271_cmd.h

MAINTAINERS

@@ -2978,7 +2978,6 @@ F:	drivers/net/ixgb/
 F:	drivers/net/ixgbe/
 
 INTEL PRO/WIRELESS 2100 NETWORK CONNECTION SUPPORT
-M:	Zhu Yi <yi.zhu@intel.com>
 M:	Reinette Chatre <reinette.chatre@intel.com>
 M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
@@ -2988,7 +2987,6 @@ F:	Documentation/networking/README.ipw2100
 F:	drivers/net/wireless/ipw2x00/ipw2100.*
 
 INTEL PRO/WIRELESS 2915ABG NETWORK CONNECTION SUPPORT
-M:	Zhu Yi <yi.zhu@intel.com>
 M:	Reinette Chatre <reinette.chatre@intel.com>
 M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
@@ -3019,8 +3017,8 @@ F:	drivers/net/wimax/i2400m/
 F:	include/linux/wimax/i2400m.h
 
 INTEL WIRELESS WIFI LINK (iwlwifi)
-M:	Zhu Yi <yi.zhu@intel.com>
 M:	Reinette Chatre <reinette.chatre@intel.com>
+M:	Wey-Yi Guy <wey-yi.w.guy@intel.com>
 M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
 W:	http://intellinuxwireless.org
@@ -3030,7 +3028,6 @@ F:	drivers/net/wireless/iwlwifi/
 
 INTEL WIRELESS MULTICOMM 3200 WIFI (iwmc3200wifi)
 M:	Samuel Ortiz <samuel.ortiz@intel.com>
-M:	Zhu Yi <yi.zhu@intel.com>
 M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
 S:	Supported

drivers/net/b44.c

@@ -150,9 +150,8 @@ static inline void b44_sync_dma_desc_for_device(struct ssb_device *sdev,
 						unsigned long offset,
 						enum dma_data_direction dir)
 {
-	ssb_dma_sync_single_range_for_device(sdev, dma_base,
-					     offset & dma_desc_align_mask,
-					     dma_desc_sync_size, dir);
+	dma_sync_single_for_device(sdev->dma_dev, dma_base + offset,
+				   dma_desc_sync_size, dir);
 }
 
 static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
@@ -160,9 +159,8 @@ static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
 					     unsigned long offset,
 					     enum dma_data_direction dir)
 {
-	ssb_dma_sync_single_range_for_cpu(sdev, dma_base,
-					  offset & dma_desc_align_mask,
-					  dma_desc_sync_size, dir);
+	dma_sync_single_for_cpu(sdev->dma_dev, dma_base + offset,
+				dma_desc_sync_size, dir);
 }
 
 static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
@@ -608,10 +606,10 @@ static void b44_tx(struct b44 *bp)
 
 		BUG_ON(skb == NULL);
 
-		ssb_dma_unmap_single(bp->sdev,
-				     rp->mapping,
-				     skb->len,
-				     DMA_TO_DEVICE);
+		dma_unmap_single(bp->sdev->dma_dev,
+				 rp->mapping,
+				 skb->len,
+				 DMA_TO_DEVICE);
 		rp->skb = NULL;
 		dev_kfree_skb_irq(skb);
 	}
@@ -648,29 +646,29 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
 	if (skb == NULL)
 		return -ENOMEM;
 
-	mapping = ssb_dma_map_single(bp->sdev, skb->data,
-				     RX_PKT_BUF_SZ,
-				     DMA_FROM_DEVICE);
+	mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
+				 RX_PKT_BUF_SZ,
+				 DMA_FROM_DEVICE);
 
 	/* Hardware bug work-around, the chip is unable to do PCI DMA
 	   to/from anything above 1GB :-( */
-	if (ssb_dma_mapping_error(bp->sdev, mapping) ||
+	if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
 		mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
 		/* Sigh... */
-		if (!ssb_dma_mapping_error(bp->sdev, mapping))
-			ssb_dma_unmap_single(bp->sdev, mapping,
+		if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
+			dma_unmap_single(bp->sdev->dma_dev, mapping,
 					     RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
 		dev_kfree_skb_any(skb);
 		skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
 		if (skb == NULL)
 			return -ENOMEM;
-		mapping = ssb_dma_map_single(bp->sdev, skb->data,
-					     RX_PKT_BUF_SZ,
-					     DMA_FROM_DEVICE);
-		if (ssb_dma_mapping_error(bp->sdev, mapping) ||
-			mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
-			if (!ssb_dma_mapping_error(bp->sdev, mapping))
-				ssb_dma_unmap_single(bp->sdev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+		mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
+					 RX_PKT_BUF_SZ,
+					 DMA_FROM_DEVICE);
+		if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
+		    mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
+			if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
+				dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
 			dev_kfree_skb_any(skb);
 			return -ENOMEM;
 		}
@@ -745,9 +743,9 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
 					     dest_idx * sizeof(*dest_desc),
 					     DMA_BIDIRECTIONAL);
 
-	ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping,
-				       RX_PKT_BUF_SZ,
-				       DMA_FROM_DEVICE);
+	dma_sync_single_for_device(bp->sdev->dma_dev, dest_map->mapping,
+				   RX_PKT_BUF_SZ,
+				   DMA_FROM_DEVICE);
 }
 
 static int b44_rx(struct b44 *bp, int budget)
@@ -767,9 +765,9 @@ static int b44_rx(struct b44 *bp, int budget)
 		struct rx_header *rh;
 		u16 len;
 
-		ssb_dma_sync_single_for_cpu(bp->sdev, map,
-					    RX_PKT_BUF_SZ,
-					    DMA_FROM_DEVICE);
+		dma_sync_single_for_cpu(bp->sdev->dma_dev, map,
+					RX_PKT_BUF_SZ,
+					DMA_FROM_DEVICE);
 		rh = (struct rx_header *) skb->data;
 		len = le16_to_cpu(rh->len);
 		if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) ||
@@ -801,8 +799,8 @@ static int b44_rx(struct b44 *bp, int budget)
 			skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
 			if (skb_size < 0)
 				goto drop_it;
-			ssb_dma_unmap_single(bp->sdev, map,
-					     skb_size, DMA_FROM_DEVICE);
+			dma_unmap_single(bp->sdev->dma_dev, map,
+					 skb_size, DMA_FROM_DEVICE);
 			/* Leave out rx_header */
 			skb_put(skb, len + RX_PKT_OFFSET);
 			skb_pull(skb, RX_PKT_OFFSET);
@@ -954,24 +952,24 @@ static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		goto err_out;
 	}
 
-	mapping = ssb_dma_map_single(bp->sdev, skb->data, len, DMA_TO_DEVICE);
-	if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
+	mapping = dma_map_single(bp->sdev->dma_dev, skb->data, len, DMA_TO_DEVICE);
+	if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
 		struct sk_buff *bounce_skb;
 
 		/* Chip can't handle DMA to/from >1GB, use bounce buffer */
-		if (!ssb_dma_mapping_error(bp->sdev, mapping))
-			ssb_dma_unmap_single(bp->sdev, mapping, len,
+		if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
+			dma_unmap_single(bp->sdev->dma_dev, mapping, len,
 					     DMA_TO_DEVICE);
 
 		bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA);
 		if (!bounce_skb)
 			goto err_out;
 
-		mapping = ssb_dma_map_single(bp->sdev, bounce_skb->data,
-					     len, DMA_TO_DEVICE);
-		if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
-			if (!ssb_dma_mapping_error(bp->sdev, mapping))
-				ssb_dma_unmap_single(bp->sdev, mapping,
+		mapping = dma_map_single(bp->sdev->dma_dev, bounce_skb->data,
+					 len, DMA_TO_DEVICE);
+		if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
+			if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
+				dma_unmap_single(bp->sdev->dma_dev, mapping,
 						     len, DMA_TO_DEVICE);
 			dev_kfree_skb_any(bounce_skb);
 			goto err_out;
@@ -1068,8 +1066,8 @@ static void b44_free_rings(struct b44 *bp)
 
 		if (rp->skb == NULL)
 			continue;
-		ssb_dma_unmap_single(bp->sdev, rp->mapping, RX_PKT_BUF_SZ,
-				     DMA_FROM_DEVICE);
+		dma_unmap_single(bp->sdev->dma_dev, rp->mapping, RX_PKT_BUF_SZ,
+				 DMA_FROM_DEVICE);
 		dev_kfree_skb_any(rp->skb);
 		rp->skb = NULL;
 	}
@@ -1080,8 +1078,8 @@ static void b44_free_rings(struct b44 *bp)
 
 		if (rp->skb == NULL)
 			continue;
-		ssb_dma_unmap_single(bp->sdev, rp->mapping, rp->skb->len,
-				     DMA_TO_DEVICE);
+		dma_unmap_single(bp->sdev->dma_dev, rp->mapping, rp->skb->len,
+				 DMA_TO_DEVICE);
 		dev_kfree_skb_any(rp->skb);
 		rp->skb = NULL;
 	}
@@ -1103,14 +1101,12 @@ static void b44_init_rings(struct b44 *bp)
 	memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
 
 	if (bp->flags & B44_FLAG_RX_RING_HACK)
-		ssb_dma_sync_single_for_device(bp->sdev, bp->rx_ring_dma,
-					       DMA_TABLE_BYTES,
-					       DMA_BIDIRECTIONAL);
+		dma_sync_single_for_device(bp->sdev->dma_dev, bp->rx_ring_dma,
+					   DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
 
 	if (bp->flags & B44_FLAG_TX_RING_HACK)
-		ssb_dma_sync_single_for_device(bp->sdev, bp->tx_ring_dma,
-					       DMA_TABLE_BYTES,
-					       DMA_TO_DEVICE);
+		dma_sync_single_for_device(bp->sdev->dma_dev, bp->tx_ring_dma,
+					   DMA_TABLE_BYTES, DMA_TO_DEVICE);
 
 	for (i = 0; i < bp->rx_pending; i++) {
 		if (b44_alloc_rx_skb(bp, -1, i) < 0)
@@ -1130,27 +1126,23 @@ static void b44_free_consistent(struct b44 *bp)
 	bp->tx_buffers = NULL;
 	if (bp->rx_ring) {
 		if (bp->flags & B44_FLAG_RX_RING_HACK) {
-			ssb_dma_unmap_single(bp->sdev, bp->rx_ring_dma,
-					     DMA_TABLE_BYTES,
-					     DMA_BIDIRECTIONAL);
+			dma_unmap_single(bp->sdev->dma_dev, bp->rx_ring_dma,
+					 DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
 			kfree(bp->rx_ring);
 		} else
-			ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES,
-						bp->rx_ring, bp->rx_ring_dma,
-						GFP_KERNEL);
+			dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
+					  bp->rx_ring, bp->rx_ring_dma);
 		bp->rx_ring = NULL;
 		bp->flags &= ~B44_FLAG_RX_RING_HACK;
 	}
 	if (bp->tx_ring) {
 		if (bp->flags & B44_FLAG_TX_RING_HACK) {
-			ssb_dma_unmap_single(bp->sdev, bp->tx_ring_dma,
-					     DMA_TABLE_BYTES,
-					     DMA_TO_DEVICE);
+			dma_unmap_single(bp->sdev->dma_dev, bp->tx_ring_dma,
+					 DMA_TABLE_BYTES, DMA_TO_DEVICE);
 			kfree(bp->tx_ring);
 		} else
-			ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES,
-						bp->tx_ring, bp->tx_ring_dma,
-						GFP_KERNEL);
+			dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
+					  bp->tx_ring, bp->tx_ring_dma);
 		bp->tx_ring = NULL;
 		bp->flags &= ~B44_FLAG_TX_RING_HACK;
 	}
@@ -1175,7 +1167,8 @@ static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
 		goto out_err;
 
 	size = DMA_TABLE_BYTES;
-	bp->rx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->rx_ring_dma, gfp);
+	bp->rx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
+					 &bp->rx_ring_dma, gfp);
 	if (!bp->rx_ring) {
 		/* Allocation may have failed due to pci_alloc_consistent
 		   insisting on use of GFP_DMA, which is more restrictive
@@ -1187,11 +1180,11 @@ static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
 		if (!rx_ring)
 			goto out_err;
 
-		rx_ring_dma = ssb_dma_map_single(bp->sdev, rx_ring,
-						 DMA_TABLE_BYTES,
-						 DMA_BIDIRECTIONAL);
+		rx_ring_dma = dma_map_single(bp->sdev->dma_dev, rx_ring,
+					     DMA_TABLE_BYTES,
+					     DMA_BIDIRECTIONAL);
 
-		if (ssb_dma_mapping_error(bp->sdev, rx_ring_dma) ||
+		if (dma_mapping_error(bp->sdev->dma_dev, rx_ring_dma) ||
 			rx_ring_dma + size > DMA_BIT_MASK(30)) {
 			kfree(rx_ring);
 			goto out_err;
@@ -1202,7 +1195,8 @@ static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
 		bp->flags |= B44_FLAG_RX_RING_HACK;
 	}
 
-	bp->tx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->tx_ring_dma, gfp);
+	bp->tx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
+					 &bp->tx_ring_dma, gfp);
 	if (!bp->tx_ring) {
 		/* Allocation may have failed due to ssb_dma_alloc_consistent
 		   insisting on use of GFP_DMA, which is more restrictive
@@ -1214,11 +1208,11 @@ static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
 		if (!tx_ring)
 			goto out_err;
 
-		tx_ring_dma = ssb_dma_map_single(bp->sdev, tx_ring,
-			                    DMA_TABLE_BYTES,
-			                    DMA_TO_DEVICE);
+		tx_ring_dma = dma_map_single(bp->sdev->dma_dev, tx_ring,
+					     DMA_TABLE_BYTES,
+					     DMA_TO_DEVICE);
 
-		if (ssb_dma_mapping_error(bp->sdev, tx_ring_dma) ||
+		if (dma_mapping_error(bp->sdev->dma_dev, tx_ring_dma) ||
 			tx_ring_dma + size > DMA_BIT_MASK(30)) {
 			kfree(tx_ring);
 			goto out_err;
@@ -2176,12 +2170,14 @@ static int __devinit b44_init_one(struct ssb_device *sdev,
 			"Failed to powerup the bus\n");
 		goto err_out_free_dev;
 	}
-	err = ssb_dma_set_mask(sdev, DMA_BIT_MASK(30));
-	if (err) {
+
+	if (dma_set_mask(sdev->dma_dev, DMA_BIT_MASK(30)) ||
+	    dma_set_coherent_mask(sdev->dma_dev, DMA_BIT_MASK(30))) {
 		dev_err(sdev->dev,
 			"Required 30BIT DMA mask unsupported by the system\n");
 		goto err_out_powerdown;
 	}
+
 	err = b44_get_invariants(bp);
 	if (err) {
 		dev_err(sdev->dev,

drivers/net/wireless/ath/ath5k/Makefile

@@ -13,5 +13,6 @@ ath5k-y				+= base.o
 ath5k-y				+= led.o
 ath5k-y				+= rfkill.o
 ath5k-y				+= ani.o
+ath5k-y				+= sysfs.o
 ath5k-$(CONFIG_ATH5K_DEBUG)	+= debug.o
 obj-$(CONFIG_ATH5K)		+= ath5k.o

drivers/net/wireless/ath/ath5k/ani.c

@@ -74,8 +74,8 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
 	const s8 fr[] = { -78, -80 };
 #endif
 	if (level < 0 || level >= ARRAY_SIZE(sz)) {
-		ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
-			"level out of range %d", level);
+		ATH5K_ERR(ah->ah_sc, "noise immuniy level %d out of range",
+			  level);
 		return;
 	}
 
@@ -106,8 +106,8 @@ ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level)
 
 	if (level < 0 || level >= ARRAY_SIZE(val) ||
 	    level > ah->ah_sc->ani_state.max_spur_level) {
-		ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
-			"level out of range %d", level);
+		ATH5K_ERR(ah->ah_sc, "spur immunity level %d out of range",
+			  level);
 		return;
 	}
 
@@ -130,8 +130,7 @@ ath5k_ani_set_firstep_level(struct ath5k_hw *ah, int level)
 	const int val[] = { 0, 4, 8 };
 
 	if (level < 0 || level >= ARRAY_SIZE(val)) {
-		ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI,
-			"level out of range %d", level);
+		ATH5K_ERR(ah->ah_sc, "firstep level %d out of range", level);
 		return;
 	}
 
@@ -481,14 +480,15 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
 	struct ath5k_ani_state *as = &ah->ah_sc->ani_state;
 	int listen, ofdm_high, ofdm_low, cck_high, cck_low;
 
-	if (as->ani_mode != ATH5K_ANI_MODE_AUTO)
-		return;
-
 	/* get listen time since last call and add it to the counter because we
-	 * might not have restarted the "ani period" last time */
+	 * might not have restarted the "ani period" last time.
+	 * always do this to calculate the busy time also in manual mode */
 	listen = ath5k_hw_ani_get_listen_time(ah, as);
 	as->listen_time += listen;
 
+	if (as->ani_mode != ATH5K_ANI_MODE_AUTO)
+		return;
+
 	ath5k_ani_save_and_clear_phy_errors(ah, as);
 
 	ofdm_high = as->listen_time * ATH5K_ANI_OFDM_TRIG_HIGH / 1000;

drivers/net/wireless/ath/ath5k/ath5k.h

@@ -204,6 +204,7 @@
 #define AR5K_TUNE_TPC_TXPOWER			false
 #define ATH5K_TUNE_CALIBRATION_INTERVAL_FULL    10000   /* 10 sec */
 #define ATH5K_TUNE_CALIBRATION_INTERVAL_ANI	1000	/* 1 sec */
+#define ATH5K_TUNE_CALIBRATION_INTERVAL_NF	60000	/* 60 sec */
 
 #define AR5K_INIT_CARR_SENSE_EN			1
 
@@ -1118,6 +1119,7 @@ struct ath5k_hw {
 	/* Calibration timestamp */
 	unsigned long		ah_cal_next_full;
 	unsigned long		ah_cal_next_ani;
+	unsigned long		ah_cal_next_nf;
 
 	/* Calibration mask */
 	u8			ah_cal_mask;
@@ -1148,6 +1150,9 @@ struct ath5k_hw {
 int ath5k_hw_attach(struct ath5k_softc *sc);
 void ath5k_hw_detach(struct ath5k_hw *ah);
 
+int ath5k_sysfs_register(struct ath5k_softc *sc);
+void ath5k_sysfs_unregister(struct ath5k_softc *sc);
+
 /* LED functions */
 int ath5k_init_leds(struct ath5k_softc *sc);
 void ath5k_led_enable(struct ath5k_softc *sc);
@@ -1270,6 +1275,7 @@ int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah);
 int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 			   struct ieee80211_channel *channel);
+void ath5k_hw_update_noise_floor(struct ath5k_hw *ah);
 /* Spur mitigation */
 bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
 				  struct ieee80211_channel *channel);
@@ -1280,6 +1286,7 @@ u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan);
 int ath5k_hw_phy_disable(struct ath5k_hw *ah);
 /* Antenna control */
 void ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode);
+void ath5k_hw_set_antenna_switch(struct ath5k_hw *ah, u8 ee_mode);
 /* TX power setup */
 int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		     u8 ee_mode, u8 txpower);

drivers/net/wireless/ath/ath5k/attach.c

@@ -351,8 +351,6 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
  */
 void ath5k_hw_detach(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	__set_bit(ATH_STAT_INVALID, ah->ah_sc->status);
 
 	if (ah->ah_rf_banks != NULL)

drivers/net/wireless/ath/ath5k/base.c

@@ -195,7 +195,7 @@ static const struct ieee80211_rate ath5k_rates[] = {
 static int __devinit	ath5k_pci_probe(struct pci_dev *pdev,
 				const struct pci_device_id *id);
 static void __devexit	ath5k_pci_remove(struct pci_dev *pdev);
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int		ath5k_pci_suspend(struct device *dev);
 static int		ath5k_pci_resume(struct device *dev);
 
@@ -203,7 +203,7 @@ static SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume);
 #define ATH5K_PM_OPS	(&ath5k_pm_ops)
 #else
 #define ATH5K_PM_OPS	NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 static struct pci_driver ath5k_pci_driver = {
 	.name		= KBUILD_MODNAME,
@@ -578,7 +578,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	spin_lock_init(&sc->block);
 
 	/* Set private data */
-	pci_set_drvdata(pdev, hw);
+	pci_set_drvdata(pdev, sc);
 
 	/* Setup interrupt handler */
 	ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
@@ -694,25 +694,23 @@ ath5k_pci_probe(struct pci_dev *pdev,
 static void __devexit
 ath5k_pci_remove(struct pci_dev *pdev)
 {
-	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
-	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_softc *sc = pci_get_drvdata(pdev);
 
 	ath5k_debug_finish_device(sc);
-	ath5k_detach(pdev, hw);
+	ath5k_detach(pdev, sc->hw);
 	ath5k_hw_detach(sc->ah);
 	kfree(sc->ah);
 	free_irq(pdev->irq, sc);
 	pci_iounmap(pdev, sc->iobase);
 	pci_release_region(pdev, 0);
 	pci_disable_device(pdev);
-	ieee80211_free_hw(hw);
+	ieee80211_free_hw(sc->hw);
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int ath5k_pci_suspend(struct device *dev)
 {
-	struct ieee80211_hw *hw = pci_get_drvdata(to_pci_dev(dev));
-	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
 
 	ath5k_led_off(sc);
 	return 0;
@@ -721,8 +719,7 @@ static int ath5k_pci_suspend(struct device *dev)
 static int ath5k_pci_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
-	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
-	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_softc *sc = pci_get_drvdata(pdev);
 
 	/*
 	 * Suspend/Resume resets the PCI configuration space, so we have to
@@ -734,7 +731,7 @@ static int ath5k_pci_resume(struct device *dev)
 	ath5k_led_enable(sc);
 	return 0;
 }
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 
 /***********************\
@@ -864,6 +861,8 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 
 	ath5k_init_leds(sc);
 
+	ath5k_sysfs_register(sc);
+
 	return 0;
 err_queues:
 	ath5k_txq_release(sc);
@@ -899,6 +898,7 @@ ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	ath5k_hw_release_tx_queue(sc->ah, sc->bhalq);
 	ath5k_unregister_leds(sc);
 
+	ath5k_sysfs_unregister(sc);
 	/*
 	 * NB: can't reclaim these until after ieee80211_ifdetach
 	 * returns because we'll get called back to reclaim node
@@ -2785,10 +2785,6 @@ ath5k_tasklet_calibrate(unsigned long data)
 	/* Only full calibration for now */
 	ah->ah_cal_mask |= AR5K_CALIBRATION_FULL;
 
-	/* Stop queues so that calibration
-	 * doesn't interfere with tx */
-	ieee80211_stop_queues(sc->hw);
-
 	ATH5K_DBG(sc, ATH5K_DEBUG_CALIBRATE, "channel %u/%x\n",
 		ieee80211_frequency_to_channel(sc->curchan->center_freq),
 		sc->curchan->hw_value);
@@ -2806,8 +2802,16 @@ ath5k_tasklet_calibrate(unsigned long data)
 			ieee80211_frequency_to_channel(
 				sc->curchan->center_freq));
 
-	/* Wake queues */
-	ieee80211_wake_queues(sc->hw);
+	/* Noise floor calibration interrupts rx/tx path while I/Q calibration
+	 * doesn't. We stop the queues so that calibration doesn't interfere
+	 * with TX and don't run it as often */
+	if (time_is_before_eq_jiffies(ah->ah_cal_next_nf)) {
+		ah->ah_cal_next_nf = jiffies +
+			msecs_to_jiffies(ATH5K_TUNE_CALIBRATION_INTERVAL_NF);
+		ieee80211_stop_queues(sc->hw);
+		ath5k_hw_update_noise_floor(ah);
+		ieee80211_wake_queues(sc->hw);
+	}
 
 	ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
 }
@@ -2926,6 +2930,10 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 
 	ath5k_ani_init(ah, ah->ah_sc->ani_state.ani_mode);
 
+	ah->ah_cal_next_full = jiffies;
+	ah->ah_cal_next_ani = jiffies;
+	ah->ah_cal_next_nf = jiffies;
+
 	/*
 	 * Change channels and update the h/w rate map if we're switching;
 	 * e.g. 11a to 11b/g.
@@ -3140,13 +3148,15 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
 
 	if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) {
 		if (*new_flags & FIF_PROMISC_IN_BSS) {
-			rfilt |= AR5K_RX_FILTER_PROM;
 			__set_bit(ATH_STAT_PROMISC, sc->status);
 		} else {
 			__clear_bit(ATH_STAT_PROMISC, sc->status);
 		}
 	}
 
+	if (test_bit(ATH_STAT_PROMISC, sc->status))
+		rfilt |= AR5K_RX_FILTER_PROM;
+
 	/* Note, AR5K_RX_FILTER_MCAST is already enabled */
 	if (*new_flags & FIF_ALLMULTI) {
 		mfilt[0] =  ~0;

drivers/net/wireless/ath/ath5k/caps.c

@@ -34,7 +34,6 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
 {
 	u16 ee_header;
 
-	ATH5K_TRACE(ah->ah_sc);
 	/* Capabilities stored in the EEPROM */
 	ee_header = ah->ah_capabilities.cap_eeprom.ee_header;
 
@@ -123,8 +122,6 @@ int ath5k_hw_get_capability(struct ath5k_hw *ah,
 		enum ath5k_capability_type cap_type,
 		u32 capability, u32 *result)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	switch (cap_type) {
 	case AR5K_CAP_NUM_TXQUEUES:
 		if (result) {
@@ -173,8 +170,6 @@ int ath5k_hw_get_capability(struct ath5k_hw *ah,
 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid,
 		u16 assoc_id)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	if (ah->ah_version == AR5K_AR5210) {
 		AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1,
 			AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);
@@ -186,8 +181,6 @@ int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid,
 
 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	if (ah->ah_version == AR5K_AR5210) {
 		AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1,
 			AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);

drivers/net/wireless/ath/ath5k/debug.c

@@ -307,7 +307,6 @@ static const struct {
 	{ ATH5K_DEBUG_DUMP_RX,	"dumprx",	"print received skb content" },
 	{ ATH5K_DEBUG_DUMP_TX,	"dumptx",	"print transmit skb content" },
 	{ ATH5K_DEBUG_DUMPBANDS, "dumpbands",	"dump bands" },
-	{ ATH5K_DEBUG_TRACE,	"trace",	"trace function calls" },
 	{ ATH5K_DEBUG_ANI,	"ani",		"adaptive noise immunity" },
 	{ ATH5K_DEBUG_ANY,	"all",		"show all debug levels" },
 };
@@ -426,6 +425,13 @@ static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 		"AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 		(v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 
+	v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
+	len += snprintf(buf+len, sizeof(buf)-len,
+			"\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
+	v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
+	len += snprintf(buf+len, sizeof(buf)-len,
+			"AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
+
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -729,6 +735,66 @@ static const struct file_operations fops_ani = {
 };
 
 
+/* debugfs: queues etc */
+
+static ssize_t read_file_queue(struct file *file, char __user *user_buf,
+				   size_t count, loff_t *ppos)
+{
+	struct ath5k_softc *sc = file->private_data;
+	char buf[700];
+	unsigned int len = 0;
+
+	struct ath5k_txq *txq;
+	struct ath5k_buf *bf, *bf0;
+	int i, n = 0;
+
+	len += snprintf(buf+len, sizeof(buf)-len,
+			"available txbuffers: %d\n", sc->txbuf_len);
+
+	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
+		txq = &sc->txqs[i];
+
+		len += snprintf(buf+len, sizeof(buf)-len,
+			"%02d: %ssetup\n", i, txq->setup ? "" : "not ");
+
+		if (!txq->setup)
+			continue;
+
+		list_for_each_entry_safe(bf, bf0, &txq->q, list)
+			n++;
+		len += snprintf(buf+len, sizeof(buf)-len, "  len: %d\n", n);
+	}
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_queue(struct file *file,
+				 const char __user *userbuf,
+				 size_t count, loff_t *ppos)
+{
+	struct ath5k_softc *sc = file->private_data;
+	char buf[20];
+
+	if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+		return -EFAULT;
+
+	if (strncmp(buf, "start", 5) == 0)
+		ieee80211_wake_queues(sc->hw);
+	else if (strncmp(buf, "stop", 4) == 0)
+		ieee80211_stop_queues(sc->hw);
+
+	return count;
+}
+
+
+static const struct file_operations fops_queue = {
+	.read = read_file_queue,
+	.write = write_file_queue,
+	.open = ath5k_debugfs_open,
+	.owner = THIS_MODULE,
+};
+
+
 /* init */
 
 void
@@ -772,6 +838,11 @@ ath5k_debug_init_device(struct ath5k_softc *sc)
 				S_IWUSR | S_IRUSR,
 				sc->debug.debugfs_phydir, sc,
 				&fops_ani);
+
+	sc->debug.debugfs_queue = debugfs_create_file("queue",
+				S_IWUSR | S_IRUSR,
+				sc->debug.debugfs_phydir, sc,
+				&fops_queue);
 }
 
 void
@@ -790,6 +861,7 @@ ath5k_debug_finish_device(struct ath5k_softc *sc)
 	debugfs_remove(sc->debug.debugfs_antenna);
 	debugfs_remove(sc->debug.debugfs_frameerrors);
 	debugfs_remove(sc->debug.debugfs_ani);
+	debugfs_remove(sc->debug.debugfs_queue);
 	debugfs_remove(sc->debug.debugfs_phydir);
 }
 

drivers/net/wireless/ath/ath5k/debug.h

@@ -77,6 +77,7 @@ struct ath5k_dbg_info {
 	struct dentry		*debugfs_antenna;
 	struct dentry		*debugfs_frameerrors;
 	struct dentry		*debugfs_ani;
+	struct dentry		*debugfs_queue;
 };
 
 /**
@@ -115,18 +116,12 @@ enum ath5k_debug_level {
 	ATH5K_DEBUG_DUMP_RX	= 0x00000100,
 	ATH5K_DEBUG_DUMP_TX	= 0x00000200,
 	ATH5K_DEBUG_DUMPBANDS	= 0x00000400,
-	ATH5K_DEBUG_TRACE	= 0x00001000,
 	ATH5K_DEBUG_ANI		= 0x00002000,
 	ATH5K_DEBUG_ANY		= 0xffffffff
 };
 
 #ifdef CONFIG_ATH5K_DEBUG
 
-#define ATH5K_TRACE(_sc) do { \
-	if (unlikely((_sc)->debug.level & ATH5K_DEBUG_TRACE)) \
-		printk(KERN_DEBUG "ath5k trace %s:%d\n", __func__, __LINE__); \
-	} while (0)
-
 #define ATH5K_DBG(_sc, _m, _fmt, ...) do { \
 	if (unlikely((_sc)->debug.level & (_m) && net_ratelimit())) \
 		ATH5K_PRINTK(_sc, KERN_DEBUG, "(%s:%d): " _fmt, \
@@ -168,8 +163,6 @@ ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf);
 
 #include <linux/compiler.h>
 
-#define ATH5K_TRACE(_sc) typecheck(struct ath5k_softc *, (_sc))
-
 static inline void __attribute__ ((format (printf, 3, 4)))
 ATH5K_DBG(struct ath5k_softc *sc, unsigned int m, const char *fmt, ...) {}
 

drivers/net/wireless/ath/ath5k/desc.c

@@ -176,7 +176,6 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
 	struct ath5k_hw_4w_tx_ctl *tx_ctl;
 	unsigned int frame_len;
 
-	ATH5K_TRACE(ah->ah_sc);
 	tx_ctl = &desc->ud.ds_tx5212.tx_ctl;
 
 	/*
@@ -342,8 +341,6 @@ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah,
 	struct ath5k_hw_2w_tx_ctl *tx_ctl;
 	struct ath5k_hw_tx_status *tx_status;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	tx_ctl = &desc->ud.ds_tx5210.tx_ctl;
 	tx_status = &desc->ud.ds_tx5210.tx_stat;
 
@@ -396,8 +393,6 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
 	struct ath5k_hw_4w_tx_ctl *tx_ctl;
 	struct ath5k_hw_tx_status *tx_status;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	tx_ctl = &desc->ud.ds_tx5212.tx_ctl;
 	tx_status = &desc->ud.ds_tx5212.tx_stat;
 
@@ -490,7 +485,6 @@ static int ath5k_hw_setup_rx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 {
 	struct ath5k_hw_rx_ctl *rx_ctl;
 
-	ATH5K_TRACE(ah->ah_sc);
 	rx_ctl = &desc->ud.ds_rx.rx_ctl;
 
 	/*
@@ -593,7 +587,6 @@ static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah,
 	struct ath5k_hw_rx_status *rx_status;
 	struct ath5k_hw_rx_error *rx_err;
 
-	ATH5K_TRACE(ah->ah_sc);
 	rx_status = &desc->ud.ds_rx.u.rx_stat;
 
 	/* Overlay on error */

drivers/net/wireless/ath/ath5k/dma.c

@@ -48,7 +48,6 @@
  */
 void ath5k_hw_start_rx_dma(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	ath5k_hw_reg_write(ah, AR5K_CR_RXE, AR5K_CR);
 	ath5k_hw_reg_read(ah, AR5K_CR);
 }
@@ -62,7 +61,6 @@ int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah)
 {
 	unsigned int i;
 
-	ATH5K_TRACE(ah->ah_sc);
 	ath5k_hw_reg_write(ah, AR5K_CR_RXD, AR5K_CR);
 
 	/*
@@ -96,8 +94,6 @@ u32 ath5k_hw_get_rxdp(struct ath5k_hw *ah)
  */
 void ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	ath5k_hw_reg_write(ah, phys_addr, AR5K_RXDP);
 }
 
@@ -125,7 +121,6 @@ int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 {
 	u32 tx_queue;
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	/* Return if queue is declared inactive */
@@ -186,7 +181,6 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 	unsigned int i = 40;
 	u32 tx_queue, pending;
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	/* Return if queue is declared inactive */
@@ -297,7 +291,6 @@ u32 ath5k_hw_get_txdp(struct ath5k_hw *ah, unsigned int queue)
 {
 	u16 tx_reg;
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	/*
@@ -340,7 +333,6 @@ int ath5k_hw_set_txdp(struct ath5k_hw *ah, unsigned int queue, u32 phys_addr)
 {
 	u16 tx_reg;
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	/*
@@ -400,8 +392,6 @@ int ath5k_hw_update_tx_triglevel(struct ath5k_hw *ah, bool increase)
 	u32 trigger_level, imr;
 	int ret = -EIO;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/*
 	 * Disable interrupts by setting the mask
 	 */
@@ -451,7 +441,6 @@ int ath5k_hw_update_tx_triglevel(struct ath5k_hw *ah, bool increase)
  */
 bool ath5k_hw_is_intr_pending(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	return ath5k_hw_reg_read(ah, AR5K_INTPEND) == 1 ? 1 : 0;
 }
 
@@ -475,8 +464,6 @@ int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
 {
 	u32 data;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/*
 	 * Read interrupt status from the Interrupt Status register
 	 * on 5210

drivers/net/wireless/ath/ath5k/eeprom.c

@@ -35,7 +35,6 @@ static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data)
 {
 	u32 status, timeout;
 
-	ATH5K_TRACE(ah->ah_sc);
 	/*
 	 * Initialize EEPROM access
 	 */
@@ -715,7 +714,7 @@ ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode,
 
 		/* Only one curve for RF5111
 		 * find out which one and place
-		 * in in pd_curves.
+		 * in pd_curves.
 		 * Note: ee_x_gain is reversed here */
 		for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) {
 

drivers/net/wireless/ath/ath5k/gpio.c

@@ -34,8 +34,6 @@ void ath5k_hw_set_ledstate(struct ath5k_hw *ah, unsigned int state)
 	/*5210 has different led mode handling*/
 	u32 led_5210;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/*Reset led status*/
 	if (ah->ah_version != AR5K_AR5210)
 		AR5K_REG_DISABLE_BITS(ah, AR5K_PCICFG,
@@ -82,7 +80,6 @@ void ath5k_hw_set_ledstate(struct ath5k_hw *ah, unsigned int state)
  */
 int ath5k_hw_set_gpio_input(struct ath5k_hw *ah, u32 gpio)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (gpio >= AR5K_NUM_GPIO)
 		return -EINVAL;
 
@@ -98,7 +95,6 @@ int ath5k_hw_set_gpio_input(struct ath5k_hw *ah, u32 gpio)
  */
 int ath5k_hw_set_gpio_output(struct ath5k_hw *ah, u32 gpio)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (gpio >= AR5K_NUM_GPIO)
 		return -EINVAL;
 
@@ -114,7 +110,6 @@ int ath5k_hw_set_gpio_output(struct ath5k_hw *ah, u32 gpio)
  */
 u32 ath5k_hw_get_gpio(struct ath5k_hw *ah, u32 gpio)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (gpio >= AR5K_NUM_GPIO)
 		return 0xffffffff;
 
@@ -129,7 +124,6 @@ u32 ath5k_hw_get_gpio(struct ath5k_hw *ah, u32 gpio)
 int ath5k_hw_set_gpio(struct ath5k_hw *ah, u32 gpio, u32 val)
 {
 	u32 data;
-	ATH5K_TRACE(ah->ah_sc);
 
 	if (gpio >= AR5K_NUM_GPIO)
 		return -EINVAL;
@@ -153,7 +147,6 @@ void ath5k_hw_set_gpio_intr(struct ath5k_hw *ah, unsigned int gpio,
 {
 	u32 data;
 
-	ATH5K_TRACE(ah->ah_sc);
 	if (gpio >= AR5K_NUM_GPIO)
 		return;
 

drivers/net/wireless/ath/ath5k/pcu.c

@@ -59,8 +59,6 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype op_mode)
 
 	beacon_reg = 0;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	switch (op_mode) {
 	case NL80211_IFTYPE_ADHOC:
 		pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_KEYSRCH_MODE;
@@ -173,7 +171,6 @@ void ath5k_hw_set_ack_bitrate_high(struct ath5k_hw *ah, bool high)
  */
 static int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_ACK))
 			<= timeout)
 		return -EINVAL;
@@ -192,7 +189,6 @@ static int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout)
  */
 static int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_CTS))
 			<= timeout)
 		return -EINVAL;
@@ -297,7 +293,6 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
 	u32 low_id, high_id;
 	u32 pcu_reg;
 
-	ATH5K_TRACE(ah->ah_sc);
 	/* Set new station ID */
 	memcpy(common->macaddr, mac, ETH_ALEN);
 
@@ -357,7 +352,6 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah)
 void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
 {
 	struct ath_common *common = ath5k_hw_common(ah);
-	ATH5K_TRACE(ah->ah_sc);
 
 	/* Cache bssid mask so that we can restore it
 	 * on reset */
@@ -382,7 +376,6 @@ void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
  */
 void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
 }
 
@@ -397,7 +390,6 @@ void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah)
  */
 void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
 }
 
@@ -406,8 +398,6 @@ void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah)
  */
 void ath5k_hw_set_mcast_filter(struct ath5k_hw *ah, u32 filter0, u32 filter1)
 {
-	ATH5K_TRACE(ah->ah_sc);
-	/* Set the multicat filter */
 	ath5k_hw_reg_write(ah, filter0, AR5K_MCAST_FILTER0);
 	ath5k_hw_reg_write(ah, filter1, AR5K_MCAST_FILTER1);
 }
@@ -427,7 +417,6 @@ u32 ath5k_hw_get_rx_filter(struct ath5k_hw *ah)
 {
 	u32 data, filter = 0;
 
-	ATH5K_TRACE(ah->ah_sc);
 	filter = ath5k_hw_reg_read(ah, AR5K_RX_FILTER);
 
 	/*Radar detection for 5212*/
@@ -457,8 +446,6 @@ void ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter)
 {
 	u32 data = 0;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/* Set PHY error filter register on 5212*/
 	if (ah->ah_version == AR5K_AR5212) {
 		if (filter & AR5K_RX_FILTER_RADARERR)
@@ -533,8 +520,6 @@ u64 ath5k_hw_get_tsf64(struct ath5k_hw *ah)
 
 	WARN_ON( i == ATH5K_MAX_TSF_READ );
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	return (((u64)tsf_upper1 << 32) | tsf_lower);
 }
 
@@ -548,8 +533,6 @@ u64 ath5k_hw_get_tsf64(struct ath5k_hw *ah)
  */
 void ath5k_hw_set_tsf64(struct ath5k_hw *ah, u64 tsf64)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	ath5k_hw_reg_write(ah, tsf64 & 0xffffffff, AR5K_TSF_L32);
 	ath5k_hw_reg_write(ah, (tsf64 >> 32) & 0xffffffff, AR5K_TSF_U32);
 }
@@ -565,8 +548,6 @@ void ath5k_hw_reset_tsf(struct ath5k_hw *ah)
 {
 	u32 val;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	val = ath5k_hw_reg_read(ah, AR5K_BEACON) | AR5K_BEACON_RESET_TSF;
 
 	/*
@@ -586,7 +567,6 @@ void ath5k_hw_init_beacon(struct ath5k_hw *ah, u32 next_beacon, u32 interval)
 {
 	u32 timer1, timer2, timer3;
 
-	ATH5K_TRACE(ah->ah_sc);
 	/*
 	 * Set the additional timers by mode
 	 */
@@ -674,7 +654,6 @@ int ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry)
 	unsigned int i, type;
 	u16 micentry = entry + AR5K_KEYTABLE_MIC_OFFSET;
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE);
 
 	type = ath5k_hw_reg_read(ah, AR5K_KEYTABLE_TYPE(entry));
@@ -749,8 +728,6 @@ int ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry,
 	bool is_tkip;
 	const u8 *key_ptr;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	is_tkip = (key->alg == ALG_TKIP);
 
 	/*
@@ -836,7 +813,6 @@ int ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac)
 {
 	u32 low_id, high_id;
 
-	ATH5K_TRACE(ah->ah_sc);
 	 /* Invalid entry (key table overflow) */
 	AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE);
 

drivers/net/wireless/ath/ath5k/phy.c

@@ -378,8 +378,6 @@ enum ath5k_rfgain ath5k_hw_gainf_calibrate(struct ath5k_hw *ah)
 	u32 data, type;
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	if (ah->ah_rf_banks == NULL ||
 	ah->ah_gain.g_state == AR5K_RFGAIN_INACTIVE)
 		return AR5K_RFGAIN_INACTIVE;
@@ -1167,7 +1165,7 @@ static s16 ath5k_hw_get_median_noise_floor(struct ath5k_hw *ah)
  * The median of the values in the history is then loaded into the
  * hardware for its own use for RSSI and CCA measurements.
  */
-static void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
+void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	u32 val;
@@ -1248,7 +1246,6 @@ static void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 /*
  * Perform a PHY calibration on RF5110
  * -Fix BPSK/QAM Constellation (I/Q correction)
- * -Calculate Noise Floor
  */
 static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 		struct ieee80211_channel *channel)
@@ -1335,8 +1332,6 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 		return ret;
 	}
 
-	ath5k_hw_update_noise_floor(ah);
-
 	/*
 	 * Re-enable RX/TX and beacons
 	 */
@@ -1348,22 +1343,20 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 }
 
 /*
- * Perform a PHY calibration on RF5111/5112 and newer chips
+ * Perform I/Q calibration on RF5111/5112 and newer chips
  */
-static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
-		struct ieee80211_channel *channel)
+static int
+ath5k_hw_rf511x_iq_calibrate(struct ath5k_hw *ah)
 {
 	u32 i_pwr, q_pwr;
 	s32 iq_corr, i_coff, i_coffd, q_coff, q_coffd;
 	int i;
-	ATH5K_TRACE(ah->ah_sc);
 
 	if (!ah->ah_calibration ||
 		ath5k_hw_reg_read(ah, AR5K_PHY_IQ) & AR5K_PHY_IQ_RUN)
-		goto done;
+		return 0;
 
 	/* Calibration has finished, get the results and re-run */
-
 	/* work around empty results which can apparently happen on 5212 */
 	for (i = 0; i <= 10; i++) {
 		iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR);
@@ -1384,7 +1377,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 
 	/* protect against divide by 0 and loss of sign bits */
 	if (i_coffd == 0 || q_coffd < 2)
-		goto done;
+		return -1;
 
 	i_coff = (-iq_corr) / i_coffd;
 	i_coff = clamp(i_coff, -32, 31); /* signed 6 bit */
@@ -1410,17 +1403,6 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 			AR5K_PHY_IQ_CAL_NUM_LOG_MAX, 15);
 	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_RUN);
 
-done:
-
-	/* TODO: Separate noise floor calibration from I/Q calibration
-	 * since noise floor calibration interrupts rx path while I/Q
-	 * calibration doesn't. We don't need to run noise floor calibration
-	 * as often as I/Q calibration.*/
-	ath5k_hw_update_noise_floor(ah);
-
-	/* Initiate a gain_F calibration */
-	ath5k_hw_request_rfgain_probe(ah);
-
 	return 0;
 }
 
@@ -1434,8 +1416,10 @@ int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 
 	if (ah->ah_radio == AR5K_RF5110)
 		ret = ath5k_hw_rf5110_calibrate(ah, channel);
-	else
-		ret = ath5k_hw_rf511x_calibrate(ah, channel);
+	else {
+		ret = ath5k_hw_rf511x_iq_calibrate(ah);
+		ath5k_hw_request_rfgain_probe(ah);
+	}
 
 	return ret;
 }
@@ -1693,7 +1677,6 @@ ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 
 int ath5k_hw_phy_disable(struct ath5k_hw *ah)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	/*Just a try M.F.*/
 	ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
 
@@ -1709,8 +1692,6 @@ u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
 	u32 srev;
 	u16 ret;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/*
 	 * Set the radio chip access register
 	 */
@@ -1755,8 +1736,6 @@ u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
 static void /*TODO:Boundary check*/
 ath5k_hw_set_def_antenna(struct ath5k_hw *ah, u8 ant)
 {
-	ATH5K_TRACE(ah->ah_sc);
-
 	if (ah->ah_version != AR5K_AR5210)
 		ath5k_hw_reg_write(ah, ant & 0x7, AR5K_DEFAULT_ANTENNA);
 }
@@ -1789,19 +1768,50 @@ ath5k_hw_set_fast_div(struct ath5k_hw *ah, u8 ee_mode, bool enable)
 
 	if (enable) {
 		AR5K_REG_WRITE_BITS(ah, AR5K_PHY_RESTART,
-				AR5K_PHY_RESTART_DIV_GC, 0xc);
+				AR5K_PHY_RESTART_DIV_GC, 1);
 
 		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_FAST_ANT_DIV,
 					AR5K_PHY_FAST_ANT_DIV_EN);
 	} else {
 		AR5K_REG_WRITE_BITS(ah, AR5K_PHY_RESTART,
-				AR5K_PHY_RESTART_DIV_GC, 0x8);
+				AR5K_PHY_RESTART_DIV_GC, 0);
 
 		AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_FAST_ANT_DIV,
 					AR5K_PHY_FAST_ANT_DIV_EN);
 	}
 }
 
+void
+ath5k_hw_set_antenna_switch(struct ath5k_hw *ah, u8 ee_mode)
+{
+	u8 ant0, ant1;
+
+	/*
+	 * In case a fixed antenna was set as default
+	 * use the same switch table twice.
+	 */
+	if (ah->ah_ant_mode == AR5K_ANTMODE_FIXED_A)
+		ant0 = ant1 = AR5K_ANT_SWTABLE_A;
+	else if (ah->ah_ant_mode == AR5K_ANTMODE_FIXED_B)
+		ant0 = ant1 = AR5K_ANT_SWTABLE_B;
+	else {
+		ant0 = AR5K_ANT_SWTABLE_A;
+		ant1 = AR5K_ANT_SWTABLE_B;
+	}
+
+	/* Set antenna idle switch table */
+	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_ANT_CTL,
+			AR5K_PHY_ANT_CTL_SWTABLE_IDLE,
+			(ah->ah_ant_ctl[ee_mode][AR5K_ANT_CTL] |
+			AR5K_PHY_ANT_CTL_TXRX_EN));
+
+	/* Set antenna switch tables */
+	ath5k_hw_reg_write(ah, ah->ah_ant_ctl[ee_mode][ant0],
+		AR5K_PHY_ANT_SWITCH_TABLE_0);
+	ath5k_hw_reg_write(ah, ah->ah_ant_ctl[ee_mode][ant1],
+		AR5K_PHY_ANT_SWITCH_TABLE_1);
+}
+
 /*
  * Set antenna operating mode
  */
@@ -1814,9 +1824,14 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 	u8 def_ant, tx_ant, ee_mode;
 	u32 sta_id1 = 0;
 
-	def_ant = ah->ah_def_ant;
+	/* if channel is not initialized yet we can't set the antennas
+	 * so just store the mode. it will be set on the next reset */
+	if (channel == NULL) {
+		ah->ah_ant_mode = ant_mode;
+		return;
+	}
 
-	ATH5K_TRACE(ah->ah_sc);
+	def_ant = ah->ah_def_ant;
 
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
@@ -1916,6 +1931,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 	if (sta_id1)
 		AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, sta_id1);
 
+	ath5k_hw_set_antenna_switch(ah, ee_mode);
 	/* Note: set diversity before default antenna
 	 * because it won't work correctly */
 	ath5k_hw_set_fast_div(ah, ee_mode, fast_div);
@@ -2981,7 +2997,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 	u8 type;
 	int ret;
 
-	ATH5K_TRACE(ah->ah_sc);
 	if (txpower > AR5K_TUNE_MAX_TXPOWER) {
 		ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
 		return -EINVAL;
@@ -3077,8 +3092,6 @@ int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower)
 	struct ieee80211_channel *channel = ah->ah_current_channel;
 	u8 ee_mode;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
 	case CHANNEL_T:

drivers/net/wireless/ath/ath5k/qcu.c

@@ -31,7 +31,6 @@ Queue Control Unit, DFS Control Unit Functions
 int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
 		struct ath5k_txq_info *queue_info)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	memcpy(queue_info, &ah->ah_txq[queue], sizeof(struct ath5k_txq_info));
 	return 0;
 }
@@ -42,7 +41,6 @@ int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
 int ath5k_hw_set_tx_queueprops(struct ath5k_hw *ah, int queue,
 				const struct ath5k_txq_info *queue_info)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	if (ah->ah_txq[queue].tqi_type == AR5K_TX_QUEUE_INACTIVE)
@@ -69,8 +67,6 @@ int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type,
 	unsigned int queue;
 	int ret;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/*
 	 * Get queue by type
 	 */
@@ -149,7 +145,6 @@ int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type,
 u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue)
 {
 	u32 pending;
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	/* Return if queue is declared inactive */
@@ -177,7 +172,6 @@ u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue)
  */
 void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 {
-	ATH5K_TRACE(ah->ah_sc);
 	if (WARN_ON(queue >= ah->ah_capabilities.cap_queues.q_tx_num))
 		return;
 
@@ -195,7 +189,6 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 	u32 cw_min, cw_max, retry_lg, retry_sh;
 	struct ath5k_txq_info *tq = &ah->ah_txq[queue];
 
-	ATH5K_TRACE(ah->ah_sc);
 	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
 	tq = &ah->ah_txq[queue];
@@ -523,8 +516,6 @@ int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time)
 {
 	u32 slot_time_clock = ath5k_hw_htoclock(ah, slot_time);
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	if (slot_time < 6 || slot_time_clock > AR5K_SLOT_TIME_MAX)
 		return -EINVAL;
 

drivers/net/wireless/ath/ath5k/reset.c

@@ -201,8 +201,6 @@ static int ath5k_hw_nic_reset(struct ath5k_hw *ah, u32 val)
 	int ret;
 	u32 mask = val ? val : ~0U;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/* Read-and-clear RX Descriptor Pointer*/
 	ath5k_hw_reg_read(ah, AR5K_RXDP);
 
@@ -246,7 +244,6 @@ static int ath5k_hw_set_power(struct ath5k_hw *ah, enum ath5k_power_mode mode,
 	unsigned int i;
 	u32 staid, data;
 
-	ATH5K_TRACE(ah->ah_sc);
 	staid = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 
 	switch (mode) {
@@ -393,8 +390,6 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
 	mode = 0;
 	clock = 0;
 
-	ATH5K_TRACE(ah->ah_sc);
-
 	/* Wakeup the device */
 	ret = ath5k_hw_set_power(ah, AR5K_PM_AWAKE, true, 0);
 	if (ret) {
@@ -734,7 +729,7 @@ static void ath5k_hw_tweak_initval_settings(struct ath5k_hw *ah,
 }
 
 static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
-		struct ieee80211_channel *channel, u8 *ant, u8 ee_mode)
+		struct ieee80211_channel *channel, u8 ee_mode)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	s16 cck_ofdm_pwr_delta;
@@ -768,17 +763,9 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
 						ee->ee_cck_ofdm_gain_delta;
 	}
 
-	/* Set antenna idle switch table */
-	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_ANT_CTL,
-			AR5K_PHY_ANT_CTL_SWTABLE_IDLE,
-			(ah->ah_ant_ctl[ee_mode][0] |
-			AR5K_PHY_ANT_CTL_TXRX_EN));
-
-	/* Set antenna switch tables */
-	ath5k_hw_reg_write(ah, ah->ah_ant_ctl[ee_mode][ant[0]],
-		AR5K_PHY_ANT_SWITCH_TABLE_0);
-	ath5k_hw_reg_write(ah, ah->ah_ant_ctl[ee_mode][ant[1]],
-		AR5K_PHY_ANT_SWITCH_TABLE_1);
+	/* XXX: necessary here? is called from ath5k_hw_set_antenna_mode()
+	 * too */
+	ath5k_hw_set_antenna_switch(ah, ee_mode);
 
 	/* Noise floor threshold */
 	ath5k_hw_reg_write(ah,
@@ -855,7 +842,6 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
 			AR5K_PHY_NF_THRESH62,
 			ee->ee_thr_62[ee_mode]);
 
-
 	/* False detect backoff for channels
 	 * that have spur noise. Write the new
 	 * cyclic power RSSI threshold. */
@@ -891,14 +877,11 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	struct ieee80211_channel *channel, bool change_channel)
 {
 	struct ath_common *common = ath5k_hw_common(ah);
-	u32 s_seq[10], s_ant, s_led[3], staid1_flags, tsf_up, tsf_lo;
+	u32 s_seq[10], s_led[3], staid1_flags, tsf_up, tsf_lo;
 	u32 phy_tst1;
-	u8 mode, freq, ee_mode, ant[2];
+	u8 mode, freq, ee_mode;
 	int i, ret;
 
-	ATH5K_TRACE(ah->ah_sc);
-
-	s_ant = 0;
 	ee_mode = 0;
 	staid1_flags = 0;
 	tsf_up = 0;
@@ -995,9 +978,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 			}
 		}
 
-		/* Save default antenna */
-		s_ant = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
-
 		if (ah->ah_version == AR5K_AR5212) {
 			/* Restore normal 32/40MHz clock operation
 			 * to avoid register access delay on certain
@@ -1094,22 +1074,17 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 		/* Write OFDM timings on 5212*/
 		if (ah->ah_version == AR5K_AR5212 &&
 			channel->hw_value & CHANNEL_OFDM) {
-			struct ath5k_eeprom_info *ee =
-					&ah->ah_capabilities.cap_eeprom;
 
 			ret = ath5k_hw_write_ofdm_timings(ah, channel);
 			if (ret)
 				return ret;
 
-			/* Note: According to docs we can have a newer
-			 * EEPROM on old hardware, so we need to verify
-			 * that our hardware is new enough to have spur
-			 * mitigation registers (delta phase etc) */
-			if (ah->ah_mac_srev >= AR5K_SREV_AR5424 ||
-			(ah->ah_mac_srev >= AR5K_SREV_AR5424 &&
-			ee->ee_version >= AR5K_EEPROM_VERSION_5_3))
+			/* Spur info is available only from EEPROM versions
+			 * bigger than 5.3 but but the EEPOM routines will use
+			 * static values for older versions */
+			if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
 				ath5k_hw_set_spur_mitigation_filter(ah,
-								channel);
+								    channel);
 		}
 
 		/*Enable/disable 802.11b mode on 5111
@@ -1123,21 +1098,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 				    AR5K_TXCFG_B_MODE);
 		}
 
-		/*
-		 * In case a fixed antenna was set as default
-		 * use the same switch table twice.
-		 */
-		if (ah->ah_ant_mode == AR5K_ANTMODE_FIXED_A)
-				ant[0] = ant[1] = AR5K_ANT_SWTABLE_A;
-		else if (ah->ah_ant_mode == AR5K_ANTMODE_FIXED_B)
-				ant[0] = ant[1] = AR5K_ANT_SWTABLE_B;
-		else {
-			ant[0] = AR5K_ANT_SWTABLE_A;
-			ant[1] = AR5K_ANT_SWTABLE_B;
-		}
-
 		/* Commit values from EEPROM */
-		ath5k_hw_commit_eeprom_settings(ah, channel, ant, ee_mode);
+		ath5k_hw_commit_eeprom_settings(ah, channel, ee_mode);
 
 	} else {
 		/*
@@ -1175,8 +1137,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 				ath5k_hw_reg_write(ah, tsf_lo, AR5K_TSF_L32);
 			}
 		}
-
-		ath5k_hw_reg_write(ah, s_ant, AR5K_DEFAULT_ANTENNA);
 	}
 
 	/* Ledstate */

drivers/net/wireless/ath/ath5k/sysfs.c

+#include <linux/device.h>
+#include <linux/pci.h>
+
+#include "base.h"
+#include "ath5k.h"
+#include "reg.h"
+
+#define SIMPLE_SHOW_STORE(name, get, set)				\
+static ssize_t ath5k_attr_show_##name(struct device *dev,		\
+			struct device_attribute *attr,			\
+			char *buf)					\
+{									\
+	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	return snprintf(buf, PAGE_SIZE, "%d\n", get); 			\
+}									\
+									\
+static ssize_t ath5k_attr_store_##name(struct device *dev,		\
+			struct device_attribute *attr,			\
+			const char *buf, size_t count)			\
+{									\
+	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	int val;							\
+									\
+	val = (int)simple_strtoul(buf, NULL, 10);			\
+	set(sc->ah, val);						\
+	return count;							\
+}									\
+static DEVICE_ATTR(name, S_IRUGO | S_IWUSR,				\
+		   ath5k_attr_show_##name, ath5k_attr_store_##name)
+
+#define SIMPLE_SHOW(name, get)						\
+static ssize_t ath5k_attr_show_##name(struct device *dev,		\
+			struct device_attribute *attr,			\
+			char *buf)					\
+{									\
+	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	return snprintf(buf, PAGE_SIZE, "%d\n", get); 			\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
+
+/*** ANI ***/
+
+SIMPLE_SHOW_STORE(ani_mode, sc->ani_state.ani_mode, ath5k_ani_init);
+SIMPLE_SHOW_STORE(noise_immunity_level, sc->ani_state.noise_imm_level,
+			ath5k_ani_set_noise_immunity_level);
+SIMPLE_SHOW_STORE(spur_level, sc->ani_state.spur_level,
+			ath5k_ani_set_spur_immunity_level);
+SIMPLE_SHOW_STORE(firstep_level, sc->ani_state.firstep_level,
+			ath5k_ani_set_firstep_level);
+SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, sc->ani_state.ofdm_weak_sig,
+			ath5k_ani_set_ofdm_weak_signal_detection);
+SIMPLE_SHOW_STORE(cck_weak_signal_detection, sc->ani_state.cck_weak_sig,
+			ath5k_ani_set_cck_weak_signal_detection);
+SIMPLE_SHOW(spur_level_max, sc->ani_state.max_spur_level);
+
+static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
+}
+static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO,
+		   ath5k_attr_show_noise_immunity_level_max, NULL);
+
+static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
+}
+static DEVICE_ATTR(firstep_level_max, S_IRUGO,
+		   ath5k_attr_show_firstep_level_max, NULL);
+
+static struct attribute *ath5k_sysfs_entries_ani[] = {
+	&dev_attr_ani_mode.attr,
+	&dev_attr_noise_immunity_level.attr,
+	&dev_attr_spur_level.attr,
+	&dev_attr_firstep_level.attr,
+	&dev_attr_ofdm_weak_signal_detection.attr,
+	&dev_attr_cck_weak_signal_detection.attr,
+	&dev_attr_noise_immunity_level_max.attr,
+	&dev_attr_spur_level_max.attr,
+	&dev_attr_firstep_level_max.attr,
+	NULL
+};
+
+static struct attribute_group ath5k_attribute_group_ani = {
+	.name = "ani",
+	.attrs = ath5k_sysfs_entries_ani,
+};
+
+
+/*** register / unregister ***/
+
+int
+ath5k_sysfs_register(struct ath5k_softc *sc)
+{
+	struct device *dev = &sc->pdev->dev;
+	int err;
+
+	err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
+	if (err) {
+		ATH5K_ERR(sc, "failed to create sysfs group\n");
+		return err;
+	}
+
+	return 0;
+}
+
+void
+ath5k_sysfs_unregister(struct ath5k_softc *sc)
+{
+	struct device *dev = &sc->pdev->dev;
+
+	sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
+}

drivers/net/wireless/ath/ath9k/ani.c

@@ -495,6 +495,7 @@ void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
 	REG_WRITE(ah, AR_FILT_OFDM, 0);
 	REG_WRITE(ah, AR_FILT_CCK, 0);
 }
+EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
 
 u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah,
 				  u32 *rxc_pcnt,

drivers/net/wireless/ath/ath9k/ar5008_phy.c

@@ -742,17 +742,6 @@ static int ar5008_hw_process_ini(struct ath_hw *ah,
 		return -EINVAL;
 	}
 
-	if (AR_SREV_9287_12_OR_LATER(ah)) {
-		/* Enable ASYNC FIFO */
-		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
-				AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
-		REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
-		REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
-				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
-		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
-				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
-	}
-
 	/*
 	 * Set correct baseband to analog shift setting to
 	 * access analog chips.

drivers/net/wireless/ath/ath9k/ar9002_hw.c

@@ -18,6 +18,7 @@
 #include "ar5008_initvals.h"
 #include "ar9001_initvals.h"
 #include "ar9002_initvals.h"
+#include "ar9002_phy.h"
 
 /* General hardware code for the A5008/AR9001/AR9002 hadware families */
 
@@ -436,55 +437,84 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
 		}
 
 		udelay(1000);
+	}
 
-		/* set bit 19 to allow forcing of pcie core into L1 state */
-		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+	if (power_off) {
+		/* clear bit 19 to disable L1 */
+		REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
 
-		/* Several PCIe massages to ensure proper behaviour */
+		val = REG_READ(ah, AR_WA);
+
+		/*
+		 * Set PCIe workaround bits
+		 * In AR9280 and AR9285, bit 14 in WA register (disable L1)
+		 * should only  be set when device enters D3 and be
+		 * cleared when device comes back to D0.
+		 */
+		if (ah->config.pcie_waen) {
+			if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
+				val |= AR_WA_D3_L1_DISABLE;
+		} else {
+			if (((AR_SREV_9285(ah) ||
+			      AR_SREV_9271(ah) ||
+			      AR_SREV_9287(ah)) &&
+			     (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
+			    (AR_SREV_9280(ah) &&
+			     (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
+				val |= AR_WA_D3_L1_DISABLE;
+			}
+		}
+
+		if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
+			/*
+			 * Disable bit 6 and 7 before entering D3 to
+			 * prevent system hang.
+			 */
+			val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
+		}
+
+		if (AR_SREV_9285E_20(ah))
+			val |= AR_WA_BIT23;
+
+		REG_WRITE(ah, AR_WA, val);
+	} else {
 		if (ah->config.pcie_waen) {
 			val = ah->config.pcie_waen;
 			if (!power_off)
 				val &= (~AR_WA_D3_L1_DISABLE);
 		} else {
-			if (AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+			if (AR_SREV_9285(ah) ||
+			    AR_SREV_9271(ah) ||
 			    AR_SREV_9287(ah)) {
 				val = AR9285_WA_DEFAULT;
 				if (!power_off)
 					val &= (~AR_WA_D3_L1_DISABLE);
-			} else if (AR_SREV_9280(ah)) {
+			}
+			else if (AR_SREV_9280(ah)) {
 				/*
-				 * On AR9280 chips bit 22 of 0x4004 needs to be
-				 * set otherwise card may disappear.
+				 * For AR9280 chips, bit 22 of 0x4004
+				 * needs to be set.
 				 */
 				val = AR9280_WA_DEFAULT;
 				if (!power_off)
 					val &= (~AR_WA_D3_L1_DISABLE);
-			} else
+			} else {
 				val = AR_WA_DEFAULT;
+			}
+		}
+
+		/* WAR for ASPM system hang */
+		if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
+			val |= (AR_WA_BIT6 | AR_WA_BIT7);
 		}
 
+		if (AR_SREV_9285E_20(ah))
+			val |= AR_WA_BIT23;
+
 		REG_WRITE(ah, AR_WA, val);
-	}
 
-	if (power_off) {
-		/*
-		 * Set PCIe workaround bits
-		 * bit 14 in WA register (disable L1) should only
-		 * be set when device enters D3 and be cleared
-		 * when device comes back to D0.
-		 */
-		if (ah->config.pcie_waen) {
-			if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
-				REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
-		} else {
-			if (((AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
-			      AR_SREV_9287(ah)) &&
-			     (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
-			    (AR_SREV_9280(ah) &&
-			     (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
-				REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
-			}
-		}
+		/* set bit 19 to allow forcing of pcie core into L1 state */
+		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
 	}
 }
 
@@ -536,18 +566,29 @@ int ar9002_hw_rf_claim(struct ath_hw *ah)
 	return 0;
 }
 
+void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
+		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
+		REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
+		REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+	}
+}
+
 /*
- * Enable ASYNC FIFO
- *
  * If Async FIFO is enabled, the following counters change as MAC now runs
  * at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
  *
  * The values below tested for ht40 2 chain.
  * Overwrite the delay/timeouts initialized in process ini.
  */
-void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
+void ar9002_hw_update_async_fifo(struct ath_hw *ah)
 {
-	if (AR_SREV_9287_12_OR_LATER(ah)) {
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
 		REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
 			  AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
 		REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
@@ -571,9 +612,9 @@ void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
  */
 void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
 {
-	if (AR_SREV_9287_12_OR_LATER(ah)) {
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
 		REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
-				AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
+			    AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
 	}
 }
 

drivers/net/wireless/ath/ath9k/ar9002_initvals.h

@@ -4492,7 +4492,7 @@ static const u32 ar9287PciePhy_clkreq_off_L1_9287_1_1[][2] = {
 };
 
 
-/* AR9271 initialization values automaticaly created: 06/04/09 */
+/* AR9271 initialization values automaticaly created: 03/31/10 */
 static const u32 ar9271Modes_9271[][6] = {
     { 0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160, 0x000001e0 },
     { 0x00001070, 0x00000168, 0x000002d0, 0x00000318, 0x0000018c, 0x000001e0 },
@@ -5011,7 +5011,7 @@ static const u32 ar9271Common_9271[][2] = {
     { 0x0000783c, 0x72ee0a72 },
     { 0x00007840, 0xbbfffffc },
     { 0x00007844, 0x000c0db6 },
-    { 0x00007848, 0x6db61b6f },
+    { 0x00007848, 0x6db6246f },
     { 0x0000784c, 0x6d9b66db },
     { 0x00007850, 0x6d8c6dba },
     { 0x00007854, 0x00040000 },
@@ -5218,7 +5218,7 @@ static const u32 ar9271Modes_high_power_tx_gain_9271[][6] = {
     { 0x00007824, 0x00d8a7ff, 0x00d8a7ff, 0x00d8a7ff, 0x00d8a7ff, 0x00d8a7ff },
     { 0x0000786c, 0x08609eb6, 0x08609eb6, 0x08609eba, 0x08609eba, 0x08609eb6 },
     { 0x00007820, 0x00000c00, 0x00000c00, 0x00000c00, 0x00000c00, 0x00000c00 },
-    { 0x0000a274, 0x0a22a652, 0x0a22a652, 0x0a212652, 0x0a212652, 0x0a22a652 },
+    { 0x0000a274, 0x0a22a652, 0x0a22a652, 0x0a214652, 0x0a214652, 0x0a22a652 },
     { 0x0000a278, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7 },
     { 0x0000a27c, 0x05018063, 0x05038063, 0x05018063, 0x05018063, 0x05018063 },
     { 0x0000a394, 0x06318c63, 0x06318c63, 0x06318c63, 0x06318c63, 0x06318c63 },

drivers/net/wireless/ath/ath9k/ar9003_initvals.h → drivers/net/wireless/ath/ath9k/ar9003_2p0_initvals.h

@@ -14,8 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#ifndef INITVALS_9003_H
-#define INITVALS_9003_H
+#ifndef INITVALS_9003_2P0_H
+#define INITVALS_9003_2P0_H
 
 /* AR9003 2.0 */
 
@@ -1781,4 +1781,4 @@ static const u32 ar9300PciePhy_clkreq_disable_L1_2p0[][2] = {
 	{0x00004044, 0x00000000},
 };
 
-#endif /* INITVALS_9003_H */
+#endif /* INITVALS_9003_2P0_H */

drivers/net/wireless/ath/ath9k/ar9003_calib.c

@@ -739,6 +739,12 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
 	 */
 	ar9003_hw_set_chain_masks(ah, 0x7, 0x7);
 
+	/* Do Tx IQ Calibration */
+	ar9003_hw_tx_iq_cal(ah);
+	REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
+	udelay(5);
+	REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+
 	/* Calibrate the AGC */
 	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
 		  REG_READ(ah, AR_PHY_AGC_CONTROL) |
@@ -753,10 +759,6 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
 		return false;
 	}
 
-	/* Do Tx IQ Calibration */
-	if (ah->config.tx_iq_calibration)
-		ar9003_hw_tx_iq_cal(ah);
-
 	/* Revert chainmasks to their original values before NF cal */
 	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
 

drivers/net/wireless/ath/ath9k/ar9003_hw.c

@@ -16,7 +16,8 @@
 
 #include "hw.h"
 #include "ar9003_mac.h"
-#include "ar9003_initvals.h"
+#include "ar9003_2p0_initvals.h"
+#include "ar9003_2p2_initvals.h"
 
 /* General hardware code for the AR9003 hadware family */
 
@@ -31,12 +32,8 @@ static bool ar9003_hw_macversion_supported(u32 macversion)
 	return false;
 }
 
-/* AR9003 2.0 - new INI format (pre, core, post arrays per subsystem) */
-/*
- * XXX: move TX/RX gain INI to its own init_mode_gain_regs after
- * ensuring it does not affect hardware bring up
- */
-static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
+/* AR9003 2.0 */
+static void ar9003_2p0_hw_init_mode_regs(struct ath_hw *ah)
 {
 	/* mac */
 	INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
@@ -106,27 +103,128 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 		       3);
 }
 
+/* AR9003 2.2 */
+static void ar9003_2p2_hw_init_mode_regs(struct ath_hw *ah)
+{
+	/* mac */
+	INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+	INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+		       ar9300_2p2_mac_core,
+		       ARRAY_SIZE(ar9300_2p2_mac_core), 2);
+	INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+		       ar9300_2p2_mac_postamble,
+		       ARRAY_SIZE(ar9300_2p2_mac_postamble), 5);
+
+	/* bb */
+	INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], NULL, 0, 0);
+	INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+		       ar9300_2p2_baseband_core,
+		       ARRAY_SIZE(ar9300_2p2_baseband_core), 2);
+	INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+		       ar9300_2p2_baseband_postamble,
+		       ARRAY_SIZE(ar9300_2p2_baseband_postamble), 5);
+
+	/* radio */
+	INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+	INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+		       ar9300_2p2_radio_core,
+		       ARRAY_SIZE(ar9300_2p2_radio_core), 2);
+	INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+		       ar9300_2p2_radio_postamble,
+		       ARRAY_SIZE(ar9300_2p2_radio_postamble), 5);
+
+	/* soc */
+	INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+		       ar9300_2p2_soc_preamble,
+		       ARRAY_SIZE(ar9300_2p2_soc_preamble), 2);
+	INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+	INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST],
+		       ar9300_2p2_soc_postamble,
+		       ARRAY_SIZE(ar9300_2p2_soc_postamble), 5);
+
+	/* rx/tx gain */
+	INIT_INI_ARRAY(&ah->iniModesRxGain,
+		       ar9300Common_rx_gain_table_2p2,
+		       ARRAY_SIZE(ar9300Common_rx_gain_table_2p2), 2);
+	INIT_INI_ARRAY(&ah->iniModesTxGain,
+		       ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+		       ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+		       5);
+
+	/* Load PCIE SERDES settings from INI */
+
+	/* Awake Setting */
+
+	INIT_INI_ARRAY(&ah->iniPcieSerdes,
+		       ar9300PciePhy_pll_on_clkreq_disable_L1_2p2,
+		       ARRAY_SIZE(ar9300PciePhy_pll_on_clkreq_disable_L1_2p2),
+		       2);
+
+	/* Sleep Setting */
+
+	INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
+		       ar9300PciePhy_clkreq_enable_L1_2p2,
+		       ARRAY_SIZE(ar9300PciePhy_clkreq_enable_L1_2p2),
+		       2);
+
+	/* Fast clock modal settings */
+	INIT_INI_ARRAY(&ah->iniModesAdditional,
+		       ar9300Modes_fast_clock_2p2,
+		       ARRAY_SIZE(ar9300Modes_fast_clock_2p2),
+		       3);
+}
+
+/*
+ * The AR9003 family uses a new INI format (pre, core, post
+ * arrays per subsystem).
+ */
+static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
+{
+	if (AR_SREV_9300_20(ah))
+		ar9003_2p0_hw_init_mode_regs(ah);
+	else
+		ar9003_2p2_hw_init_mode_regs(ah);
+}
+
 static void ar9003_tx_gain_table_apply(struct ath_hw *ah)
 {
 	switch (ar9003_hw_get_tx_gain_idx(ah)) {
 	case 0:
 	default:
-		INIT_INI_ARRAY(&ah->iniModesTxGain,
-			       ar9300Modes_lowest_ob_db_tx_gain_table_2p0,
-			       ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p0),
-			       5);
+		if (AR_SREV_9300_20(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_lowest_ob_db_tx_gain_table_2p0,
+				       ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p0),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+				       5);
 		break;
 	case 1:
-		INIT_INI_ARRAY(&ah->iniModesTxGain,
-			       ar9300Modes_high_ob_db_tx_gain_table_2p0,
-			       ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p0),
-			       5);
+		if (AR_SREV_9300_20(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_high_ob_db_tx_gain_table_2p0,
+				       ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p0),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_high_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p2),
+				       5);
 		break;
 	case 2:
-		INIT_INI_ARRAY(&ah->iniModesTxGain,
-			       ar9300Modes_low_ob_db_tx_gain_table_2p0,
-			       ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p0),
-			       5);
+		if (AR_SREV_9300_20(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_low_ob_db_tx_gain_table_2p0,
+				       ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p0),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_low_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p2),
+				       5);
 		break;
 	}
 }
@@ -136,15 +234,28 @@ static void ar9003_rx_gain_table_apply(struct ath_hw *ah)
 	switch (ar9003_hw_get_rx_gain_idx(ah)) {
 	case 0:
 	default:
-		INIT_INI_ARRAY(&ah->iniModesRxGain, ar9300Common_rx_gain_table_2p0,
-			       ARRAY_SIZE(ar9300Common_rx_gain_table_2p0),
-			       2);
+		if (AR_SREV_9300_20(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_rx_gain_table_2p0,
+				       ARRAY_SIZE(ar9300Common_rx_gain_table_2p0),
+				       2);
+		else
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_rx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Common_rx_gain_table_2p2),
+				       2);
 		break;
 	case 1:
-		INIT_INI_ARRAY(&ah->iniModesRxGain,
-			       ar9300Common_wo_xlna_rx_gain_table_2p0,
-			       ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p0),
-			       2);
+		if (AR_SREV_9300_20(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_wo_xlna_rx_gain_table_2p0,
+				       ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p0),
+				       2);
+		else
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_wo_xlna_rx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p2),
+				       2);
 		break;
 	}
 }

drivers/net/wireless/ath/ath9k/ar9003_mac.c

@@ -90,6 +90,8 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 				  MAP_ISR_S2_CST);
 			mask2 |= ((isr2 & AR_ISR_S2_TSFOOR) >>
 				  MAP_ISR_S2_TSFOOR);
+			mask2 |= ((isr2 & AR_ISR_S2_BB_WATCHDOG) >>
+				  MAP_ISR_S2_BB_WATCHDOG);
 
 			if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
 				REG_WRITE(ah, AR_ISR_S2, isr2);
@@ -167,6 +169,9 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 
 			(void) REG_READ(ah, AR_ISR);
 		}
+
+		if (*masked & ATH9K_INT_BB_WATCHDOG)
+			ar9003_hw_bb_watchdog_read(ah);
 	}
 
 	if (sync_cause) {

drivers/net/wireless/ath/ath9k/ar9003_mac.h

@@ -47,6 +47,7 @@
 #define MAP_ISR_S2_DTIMSYNC     7
 #define MAP_ISR_S2_DTIM         7
 #define MAP_ISR_S2_TSFOOR       4
+#define MAP_ISR_S2_BB_WATCHDOG  6
 
 #define AR9003TXC_CONST(_ds) ((const struct ar9003_txc *) _ds)
 

drivers/net/wireless/ath/ath9k/ar9003_phy.c

@@ -1132,3 +1132,122 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
 	priv_ops->do_getnf = ar9003_hw_do_getnf;
 	priv_ops->loadnf = ar9003_hw_loadnf;
 }
+
+void ar9003_hw_bb_watchdog_config(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	u32 idle_tmo_ms = ah->bb_watchdog_timeout_ms;
+	u32 val, idle_count;
+
+	if (!idle_tmo_ms) {
+		/* disable IRQ, disable chip-reset for BB panic */
+		REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2,
+			  REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) &
+			  ~(AR_PHY_WATCHDOG_RST_ENABLE |
+			    AR_PHY_WATCHDOG_IRQ_ENABLE));
+
+		/* disable watchdog in non-IDLE mode, disable in IDLE mode */
+		REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1,
+			  REG_READ(ah, AR_PHY_WATCHDOG_CTL_1) &
+			  ~(AR_PHY_WATCHDOG_NON_IDLE_ENABLE |
+			    AR_PHY_WATCHDOG_IDLE_ENABLE));
+
+		ath_print(common, ATH_DBG_RESET, "Disabled BB Watchdog\n");
+		return;
+	}
+
+	/* enable IRQ, disable chip-reset for BB watchdog */
+	val = REG_READ(ah, AR_PHY_WATCHDOG_CTL_2) & AR_PHY_WATCHDOG_CNTL2_MASK;
+	REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_2,
+		  (val | AR_PHY_WATCHDOG_IRQ_ENABLE) &
+		  ~AR_PHY_WATCHDOG_RST_ENABLE);
+
+	/* bound limit to 10 secs */
+	if (idle_tmo_ms > 10000)
+		idle_tmo_ms = 10000;
+
+	/*
+	 * The time unit for watchdog event is 2^15 44/88MHz cycles.
+	 *
+	 * For HT20 we have a time unit of 2^15/44 MHz = .74 ms per tick
+	 * For HT40 we have a time unit of 2^15/88 MHz = .37 ms per tick
+	 *
+	 * Given we use fast clock now in 5 GHz, these time units should
+	 * be common for both 2 GHz and 5 GHz.
+	 */
+	idle_count = (100 * idle_tmo_ms) / 74;
+	if (ah->curchan && IS_CHAN_HT40(ah->curchan))
+		idle_count = (100 * idle_tmo_ms) / 37;
+
+	/*
+	 * enable watchdog in non-IDLE mode, disable in IDLE mode,
+	 * set idle time-out.
+	 */
+	REG_WRITE(ah, AR_PHY_WATCHDOG_CTL_1,
+		  AR_PHY_WATCHDOG_NON_IDLE_ENABLE |
+		  AR_PHY_WATCHDOG_IDLE_MASK |
+		  (AR_PHY_WATCHDOG_NON_IDLE_MASK & (idle_count << 2)));
+
+	ath_print(common, ATH_DBG_RESET,
+		  "Enabled BB Watchdog timeout (%u ms)\n",
+		  idle_tmo_ms);
+}
+
+void ar9003_hw_bb_watchdog_read(struct ath_hw *ah)
+{
+	/*
+	 * we want to avoid printing in ISR context so we save the
+	 * watchdog status to be printed later in bottom half context.
+	 */
+	ah->bb_watchdog_last_status = REG_READ(ah, AR_PHY_WATCHDOG_STATUS);
+
+	/*
+	 * the watchdog timer should reset on status read but to be sure
+	 * sure we write 0 to the watchdog status bit.
+	 */
+	REG_WRITE(ah, AR_PHY_WATCHDOG_STATUS,
+		  ah->bb_watchdog_last_status & ~AR_PHY_WATCHDOG_STATUS_CLR);
+}
+
+void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	u32 rxc_pcnt = 0, rxf_pcnt = 0, txf_pcnt = 0, status;
+
+	if (likely(!(common->debug_mask & ATH_DBG_RESET)))
+		return;
+
+	status = ah->bb_watchdog_last_status;
+	ath_print(common, ATH_DBG_RESET,
+		  "\n==== BB update: BB status=0x%08x ====\n", status);
+	ath_print(common, ATH_DBG_RESET,
+		  "** BB state: wd=%u det=%u rdar=%u rOFDM=%d "
+		  "rCCK=%u tOFDM=%u tCCK=%u agc=%u src=%u **\n",
+		  MS(status, AR_PHY_WATCHDOG_INFO),
+		  MS(status, AR_PHY_WATCHDOG_DET_HANG),
+		  MS(status, AR_PHY_WATCHDOG_RADAR_SM),
+		  MS(status, AR_PHY_WATCHDOG_RX_OFDM_SM),
+		  MS(status, AR_PHY_WATCHDOG_RX_CCK_SM),
+		  MS(status, AR_PHY_WATCHDOG_TX_OFDM_SM),
+		  MS(status, AR_PHY_WATCHDOG_TX_CCK_SM),
+		  MS(status, AR_PHY_WATCHDOG_AGC_SM),
+		  MS(status,AR_PHY_WATCHDOG_SRCH_SM));
+
+	ath_print(common, ATH_DBG_RESET,
+		  "** BB WD cntl: cntl1=0x%08x cntl2=0x%08x **\n",
+		  REG_READ(ah, AR_PHY_WATCHDOG_CTL_1),
+		  REG_READ(ah, AR_PHY_WATCHDOG_CTL_2));
+	ath_print(common, ATH_DBG_RESET,
+		  "** BB mode: BB_gen_controls=0x%08x **\n",
+		  REG_READ(ah, AR_PHY_GEN_CTRL));
+
+	if (ath9k_hw_GetMibCycleCountsPct(ah, &rxc_pcnt, &rxf_pcnt, &txf_pcnt))
+		ath_print(common, ATH_DBG_RESET,
+			  "** BB busy times: rx_clear=%d%%, "
+			  "rx_frame=%d%%, tx_frame=%d%% **\n",
+			  rxc_pcnt, rxf_pcnt, txf_pcnt);
+
+	ath_print(common, ATH_DBG_RESET,
+		  "==== BB update: done ====\n\n");
+}
+EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info);

drivers/net/wireless/ath/ath9k/ar9003_phy.h

@@ -483,10 +483,10 @@
 #define AR_PHY_TX_IQCAL_STATUS_B0   (AR_SM_BASE + 0x48c)
 #define AR_PHY_TX_IQCAL_CORR_COEFF_01_B0    (AR_SM_BASE + 0x450)
 
-#define AR_PHY_PANIC_WD_STATUS      (AR_SM_BASE + 0x5c0)
-#define AR_PHY_PANIC_WD_CTL_1       (AR_SM_BASE + 0x5c4)
-#define AR_PHY_PANIC_WD_CTL_2       (AR_SM_BASE + 0x5c8)
-#define AR_PHY_BT_CTL               (AR_SM_BASE + 0x5cc)
+#define AR_PHY_WATCHDOG_STATUS      (AR_SM_BASE + 0x5c0)
+#define AR_PHY_WATCHDOG_CTL_1       (AR_SM_BASE + 0x5c4)
+#define AR_PHY_WATCHDOG_CTL_2       (AR_SM_BASE + 0x5c8)
+#define AR_PHY_WATCHDOG_CTL         (AR_SM_BASE + 0x5cc)
 #define AR_PHY_ONLY_WARMRESET       (AR_SM_BASE + 0x5d0)
 #define AR_PHY_ONLY_CTL             (AR_SM_BASE + 0x5d4)
 #define AR_PHY_ECO_CTRL             (AR_SM_BASE + 0x5dc)
@@ -812,35 +812,35 @@
 #define AR_PHY_CAL_MEAS_2_9300_10(_i) (AR_PHY_IQ_ADC_MEAS_2_B0_9300_10 + (AR_PHY_CHAIN_OFFSET * (_i)))
 #define AR_PHY_CAL_MEAS_3_9300_10(_i) (AR_PHY_IQ_ADC_MEAS_3_B0_9300_10 + (AR_PHY_CHAIN_OFFSET * (_i)))
 
-#define AR_PHY_BB_PANIC_NON_IDLE_ENABLE 0x00000001
-#define AR_PHY_BB_PANIC_IDLE_ENABLE     0x00000002
-#define AR_PHY_BB_PANIC_IDLE_MASK       0xFFFF0000
-#define AR_PHY_BB_PANIC_NON_IDLE_MASK   0x0000FFFC
-
-#define AR_PHY_BB_PANIC_RST_ENABLE      0x00000002
-#define AR_PHY_BB_PANIC_IRQ_ENABLE      0x00000004
-#define AR_PHY_BB_PANIC_CNTL2_MASK      0xFFFFFFF9
-
-#define AR_PHY_BB_WD_STATUS             0x00000007
-#define AR_PHY_BB_WD_STATUS_S           0
-#define AR_PHY_BB_WD_DET_HANG           0x00000008
-#define AR_PHY_BB_WD_DET_HANG_S         3
-#define AR_PHY_BB_WD_RADAR_SM           0x000000F0
-#define AR_PHY_BB_WD_RADAR_SM_S         4
-#define AR_PHY_BB_WD_RX_OFDM_SM         0x00000F00
-#define AR_PHY_BB_WD_RX_OFDM_SM_S       8
-#define AR_PHY_BB_WD_RX_CCK_SM          0x0000F000
-#define AR_PHY_BB_WD_RX_CCK_SM_S        12
-#define AR_PHY_BB_WD_TX_OFDM_SM         0x000F0000
-#define AR_PHY_BB_WD_TX_OFDM_SM_S       16
-#define AR_PHY_BB_WD_TX_CCK_SM          0x00F00000
-#define AR_PHY_BB_WD_TX_CCK_SM_S        20
-#define AR_PHY_BB_WD_AGC_SM             0x0F000000
-#define AR_PHY_BB_WD_AGC_SM_S           24
-#define AR_PHY_BB_WD_SRCH_SM            0xF0000000
-#define AR_PHY_BB_WD_SRCH_SM_S          28
-
-#define AR_PHY_BB_WD_STATUS_CLR         0x00000008
+#define AR_PHY_WATCHDOG_NON_IDLE_ENABLE    0x00000001
+#define AR_PHY_WATCHDOG_IDLE_ENABLE        0x00000002
+#define AR_PHY_WATCHDOG_IDLE_MASK          0xFFFF0000
+#define AR_PHY_WATCHDOG_NON_IDLE_MASK      0x0000FFFC
+
+#define AR_PHY_WATCHDOG_RST_ENABLE         0x00000002
+#define AR_PHY_WATCHDOG_IRQ_ENABLE         0x00000004
+#define AR_PHY_WATCHDOG_CNTL2_MASK         0xFFFFFFF9
+
+#define AR_PHY_WATCHDOG_INFO               0x00000007
+#define AR_PHY_WATCHDOG_INFO_S             0
+#define AR_PHY_WATCHDOG_DET_HANG           0x00000008
+#define AR_PHY_WATCHDOG_DET_HANG_S         3
+#define AR_PHY_WATCHDOG_RADAR_SM           0x000000F0
+#define AR_PHY_WATCHDOG_RADAR_SM_S         4
+#define AR_PHY_WATCHDOG_RX_OFDM_SM         0x00000F00
+#define AR_PHY_WATCHDOG_RX_OFDM_SM_S       8
+#define AR_PHY_WATCHDOG_RX_CCK_SM          0x0000F000
+#define AR_PHY_WATCHDOG_RX_CCK_SM_S        12
+#define AR_PHY_WATCHDOG_TX_OFDM_SM         0x000F0000
+#define AR_PHY_WATCHDOG_TX_OFDM_SM_S       16
+#define AR_PHY_WATCHDOG_TX_CCK_SM          0x00F00000
+#define AR_PHY_WATCHDOG_TX_CCK_SM_S        20
+#define AR_PHY_WATCHDOG_AGC_SM             0x0F000000
+#define AR_PHY_WATCHDOG_AGC_SM_S           24
+#define AR_PHY_WATCHDOG_SRCH_SM            0xF0000000
+#define AR_PHY_WATCHDOG_SRCH_SM_S          28
+
+#define AR_PHY_WATCHDOG_STATUS_CLR         0x00000008
 
 void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
 

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -136,6 +136,8 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 #define ATH_MAX_ANTENNA         3
 #define ATH_RXBUF               512
 #define ATH_TXBUF               512
+#define ATH_TXBUF_RESERVE       5
+#define ATH_MAX_QDEPTH          (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
 #define ATH_TXMAXTRY            13
 #define ATH_MGT_TXMAXTRY        4
 
@@ -204,6 +206,71 @@ struct ath_txq {
 	struct list_head txq_fifo_pending;
 	u8 txq_headidx;
 	u8 txq_tailidx;
+	int pending_frames;
+};
+
+struct ath_atx_ac {
+	int sched;
+	int qnum;
+	struct list_head list;
+	struct list_head tid_q;
+};
+
+struct ath_buf_state {
+	int bfs_nframes;
+	u16 bfs_al;
+	u16 bfs_frmlen;
+	int bfs_seqno;
+	int bfs_tidno;
+	int bfs_retries;
+	u8 bf_type;
+	u32 bfs_keyix;
+	enum ath9k_key_type bfs_keytype;
+};
+
+struct ath_buf {
+	struct list_head list;
+	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
+					   an aggregate) */
+	struct ath_buf *bf_next;	/* next subframe in the aggregate */
+	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
+	void *bf_desc;			/* virtual addr of desc */
+	dma_addr_t bf_daddr;		/* physical addr of desc */
+	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
+	bool bf_stale;
+	bool bf_isnullfunc;
+	bool bf_tx_aborted;
+	u16 bf_flags;
+	struct ath_buf_state bf_state;
+	dma_addr_t bf_dmacontext;
+	struct ath_wiphy *aphy;
+	struct ath_txq *txq;
+};
+
+struct ath_atx_tid {
+	struct list_head list;
+	struct list_head buf_q;
+	struct ath_node *an;
+	struct ath_atx_ac *ac;
+	struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
+	u16 seq_start;
+	u16 seq_next;
+	u16 baw_size;
+	int tidno;
+	int baw_head;   /* first un-acked tx buffer */
+	int baw_tail;   /* next unused tx buffer slot */
+	int sched;
+	int paused;
+	u8 state;
+};
+
+struct ath_node {
+	struct ath_common *common;
+	struct ath_atx_tid tid[WME_NUM_TID];
+	struct ath_atx_ac ac[WME_NUM_AC];
+	u16 maxampdu;
+	u8 mpdudensity;
+	int last_rssi;
 };
 
 #define AGGR_CLEANUP         BIT(1)
@@ -267,7 +334,6 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
 int ath_tx_init(struct ath_softc *sc, int nbufs);
 void ath_tx_cleanup(struct ath_softc *sc);
-struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
 int ath_txq_update(struct ath_softc *sc, int qnum,
 		   struct ath9k_tx_queue_info *q);
 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,

drivers/net/wireless/ath/ath9k/common.c

@@ -27,270 +27,6 @@ MODULE_AUTHOR("Atheros Communications");
 MODULE_DESCRIPTION("Shared library for Atheros wireless 802.11n LAN cards.");
 MODULE_LICENSE("Dual BSD/GPL");
 
-/* Common RX processing */
-
-/* Assumes you've already done the endian to CPU conversion */
-static bool ath9k_rx_accept(struct ath_common *common,
-			    struct sk_buff *skb,
-			    struct ieee80211_rx_status *rxs,
-			    struct ath_rx_status *rx_stats,
-			    bool *decrypt_error)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_hdr *hdr;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *) skb->data;
-	fc = hdr->frame_control;
-
-	if (!rx_stats->rs_datalen)
-		return false;
-        /*
-         * rs_status follows rs_datalen so if rs_datalen is too large
-         * we can take a hint that hardware corrupted it, so ignore
-         * those frames.
-         */
-	if (rx_stats->rs_datalen > common->rx_bufsize)
-		return false;
-
-	/*
-	 * rs_more indicates chained descriptors which can be used
-	 * to link buffers together for a sort of scatter-gather
-	 * operation.
-	 * reject the frame, we don't support scatter-gather yet and
-	 * the frame is probably corrupt anyway
-	 */
-	if (rx_stats->rs_more)
-		return false;
-
-	/*
-	 * The rx_stats->rs_status will not be set until the end of the
-	 * chained descriptors so it can be ignored if rs_more is set. The
-	 * rs_more will be false at the last element of the chained
-	 * descriptors.
-	 */
-	if (rx_stats->rs_status != 0) {
-		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
-			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
-		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
-			return false;
-
-		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
-			*decrypt_error = true;
-		} else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
-			if (ieee80211_is_ctl(fc))
-				/*
-				 * Sometimes, we get invalid
-				 * MIC failures on valid control frames.
-				 * Remove these mic errors.
-				 */
-				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
-			else
-				rxs->flag |= RX_FLAG_MMIC_ERROR;
-		}
-		/*
-		 * Reject error frames with the exception of
-		 * decryption and MIC failures. For monitor mode,
-		 * we also ignore the CRC error.
-		 */
-		if (ah->opmode == NL80211_IFTYPE_MONITOR) {
-			if (rx_stats->rs_status &
-			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
-			      ATH9K_RXERR_CRC))
-				return false;
-		} else {
-			if (rx_stats->rs_status &
-			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
-				return false;
-			}
-		}
-	}
-	return true;
-}
-
-static int ath9k_process_rate(struct ath_common *common,
-			      struct ieee80211_hw *hw,
-			      struct ath_rx_status *rx_stats,
-			      struct ieee80211_rx_status *rxs,
-			      struct sk_buff *skb)
-{
-	struct ieee80211_supported_band *sband;
-	enum ieee80211_band band;
-	unsigned int i = 0;
-
-	band = hw->conf.channel->band;
-	sband = hw->wiphy->bands[band];
-
-	if (rx_stats->rs_rate & 0x80) {
-		/* HT rate */
-		rxs->flag |= RX_FLAG_HT;
-		if (rx_stats->rs_flags & ATH9K_RX_2040)
-			rxs->flag |= RX_FLAG_40MHZ;
-		if (rx_stats->rs_flags & ATH9K_RX_GI)
-			rxs->flag |= RX_FLAG_SHORT_GI;
-		rxs->rate_idx = rx_stats->rs_rate & 0x7f;
-		return 0;
-	}
-
-	for (i = 0; i < sband->n_bitrates; i++) {
-		if (sband->bitrates[i].hw_value == rx_stats->rs_rate) {
-			rxs->rate_idx = i;
-			return 0;
-		}
-		if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) {
-			rxs->flag |= RX_FLAG_SHORTPRE;
-			rxs->rate_idx = i;
-			return 0;
-		}
-	}
-
-	/*
-	 * No valid hardware bitrate found -- we should not get here
-	 * because hardware has already validated this frame as OK.
-	 */
-	ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected "
-		  "0x%02x using 1 Mbit\n", rx_stats->rs_rate);
-	if ((common->debug_mask & ATH_DBG_XMIT))
-		print_hex_dump_bytes("", DUMP_PREFIX_NONE, skb->data, skb->len);
-
-	return -EINVAL;
-}
-
-static void ath9k_process_rssi(struct ath_common *common,
-			       struct ieee80211_hw *hw,
-			       struct sk_buff *skb,
-			       struct ath_rx_status *rx_stats)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_sta *sta;
-	struct ieee80211_hdr *hdr;
-	struct ath_node *an;
-	int last_rssi = ATH_RSSI_DUMMY_MARKER;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-
-	rcu_read_lock();
-	/*
-	 * XXX: use ieee80211_find_sta! This requires quite a bit of work
-	 * under the current ath9k virtual wiphy implementation as we have
-	 * no way of tying a vif to wiphy. Typically vifs are attached to
-	 * at least one sdata of a wiphy on mac80211 but with ath9k virtual
-	 * wiphy you'd have to iterate over every wiphy and each sdata.
-	 */
-	sta = ieee80211_find_sta_by_hw(hw, hdr->addr2);
-	if (sta) {
-		an = (struct ath_node *) sta->drv_priv;
-		if (rx_stats->rs_rssi != ATH9K_RSSI_BAD &&
-		   !rx_stats->rs_moreaggr)
-			ATH_RSSI_LPF(an->last_rssi, rx_stats->rs_rssi);
-		last_rssi = an->last_rssi;
-	}
-	rcu_read_unlock();
-
-	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;
-
-	/* Update Beacon RSSI, this is used by ANI. */
-	if (ieee80211_is_beacon(fc))
-		ah->stats.avgbrssi = rx_stats->rs_rssi;
-}
-
-/*
- * For Decrypt or Demic errors, we only mark packet status here and always push
- * up the frame up to let mac80211 handle the actual error case, be it no
- * decryption key or real decryption error. This let us keep statistics there.
- */
-int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
-				struct ieee80211_hw *hw,
-				struct sk_buff *skb,
-				struct ath_rx_status *rx_stats,
-				struct ieee80211_rx_status *rx_status,
-				bool *decrypt_error)
-{
-	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.
-	 */
-	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
-		return -EINVAL;
-
-	ath9k_process_rssi(common, hw, skb, rx_stats);
-
-	if (ath9k_process_rate(common, hw, rx_stats, rx_status, skb))
-		return -EINVAL;
-
-	rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp);
-	rx_status->band = hw->conf.channel->band;
-	rx_status->freq = hw->conf.channel->center_freq;
-	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
-	rx_status->antenna = rx_stats->rs_antenna;
-	rx_status->flag |= RX_FLAG_TSFT;
-
-	return 0;
-}
-EXPORT_SYMBOL(ath9k_cmn_rx_skb_preprocess);
-
-void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
-				  struct sk_buff *skb,
-				  struct ath_rx_status *rx_stats,
-				  struct ieee80211_rx_status *rxs,
-				  bool decrypt_error)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_hdr *hdr;
-	int hdrlen, padpos, padsize;
-	u8 keyix;
-	__le16 fc;
-
-	/* see if any padding is done by the hw and remove it */
-	hdr = (struct ieee80211_hdr *) skb->data;
-	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-	fc = hdr->frame_control;
-	padpos = ath9k_cmn_padpos(hdr->frame_control);
-
-	/* The MAC header is padded to have 32-bit boundary if the
-	 * packet payload is non-zero. The general calculation for
-	 * padsize would take into account odd header lengths:
-	 * padsize = (4 - padpos % 4) % 4; However, since only
-	 * even-length headers are used, padding can only be 0 or 2
-	 * bytes and we can optimize this a bit. In addition, we must
-	 * not try to remove padding from short control frames that do
-	 * not have payload. */
-	padsize = padpos & 3;
-	if (padsize && skb->len>=padpos+padsize+FCS_LEN) {
-		memmove(skb->data + padsize, skb->data, padpos);
-		skb_pull(skb, padsize);
-	}
-
-	keyix = rx_stats->rs_keyix;
-
-	if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error &&
-	    ieee80211_has_protected(fc)) {
-		rxs->flag |= RX_FLAG_DECRYPTED;
-	} else if (ieee80211_has_protected(fc)
-		   && !decrypt_error && skb->len >= hdrlen + 4) {
-		keyix = skb->data[hdrlen + 3] >> 6;
-
-		if (test_bit(keyix, common->keymap))
-			rxs->flag |= RX_FLAG_DECRYPTED;
-	}
-	if (ah->sw_mgmt_crypto &&
-	    (rxs->flag & RX_FLAG_DECRYPTED) &&
-	    ieee80211_is_mgmt(fc))
-		/* Use software decrypt for management frames. */
-		rxs->flag &= ~RX_FLAG_DECRYPTED;
-}
-EXPORT_SYMBOL(ath9k_cmn_rx_skb_postprocess);
-
 int ath9k_cmn_padpos(__le16 frame_control)
 {
 	int padpos = 24;
@@ -475,10 +211,14 @@ static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
 	return -1;
 }
 
-static int ath_reserve_key_cache_slot(struct ath_common *common)
+static int ath_reserve_key_cache_slot(struct ath_common *common,
+				      enum ieee80211_key_alg alg)
 {
 	int i;
 
+	if (alg == ALG_TKIP)
+		return ath_reserve_key_cache_slot_tkip(common);
+
 	/* First, try to find slots that would not be available for TKIP. */
 	if (common->splitmic) {
 		for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
@@ -547,6 +287,7 @@ int ath9k_cmn_key_config(struct ath_common *common,
 	struct ath_hw *ah = common->ah;
 	struct ath9k_keyval hk;
 	const u8 *mac = NULL;
+	u8 gmac[ETH_ALEN];
 	int ret = 0;
 	int idx;
 
@@ -570,9 +311,23 @@ int ath9k_cmn_key_config(struct ath_common *common,
 	memcpy(hk.kv_val, key->key, key->keylen);
 
 	if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
-		/* For now, use the default keys for broadcast keys. This may
-		 * need to change with virtual interfaces. */
-		idx = key->keyidx;
+		switch (vif->type) {
+		case NL80211_IFTYPE_AP:
+			memcpy(gmac, vif->addr, ETH_ALEN);
+			gmac[0] |= 0x01;
+			mac = gmac;
+			idx = ath_reserve_key_cache_slot(common, key->alg);
+			break;
+		case NL80211_IFTYPE_ADHOC:
+			memcpy(gmac, sta->addr, ETH_ALEN);
+			gmac[0] |= 0x01;
+			mac = gmac;
+			idx = ath_reserve_key_cache_slot(common, key->alg);
+			break;
+		default:
+			idx = key->keyidx;
+			break;
+		}
 	} else if (key->keyidx) {
 		if (WARN_ON(!sta))
 			return -EOPNOTSUPP;
@@ -589,14 +344,12 @@ int ath9k_cmn_key_config(struct ath_common *common,
 			return -EOPNOTSUPP;
 		mac = sta->addr;
 
-		if (key->alg == ALG_TKIP)
-			idx = ath_reserve_key_cache_slot_tkip(common);
-		else
-			idx = ath_reserve_key_cache_slot(common);
-		if (idx < 0)
-			return -ENOSPC; /* no free key cache entries */
+		idx = ath_reserve_key_cache_slot(common, key->alg);
 	}
 
+	if (idx < 0)
+		return -ENOSPC; /* no free key cache entries */
+
 	if (key->alg == ALG_TKIP)
 		ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
 				      vif->type == NL80211_IFTYPE_AP);
@@ -644,6 +397,19 @@ void ath9k_cmn_key_delete(struct ath_common *common,
 }
 EXPORT_SYMBOL(ath9k_cmn_key_delete);
 
+int ath9k_cmn_count_streams(unsigned int chainmask, int max)
+{
+	int streams = 0;
+
+	do {
+		if (++streams == max)
+			break;
+	} while ((chainmask = chainmask & (chainmask - 1)));
+
+	return streams;
+}
+EXPORT_SYMBOL(ath9k_cmn_count_streams);
+
 static int __init ath9k_cmn_init(void)
 {
 	return 0;

drivers/net/wireless/ath/ath9k/common.h

@@ -52,82 +52,6 @@
 #define ATH_EP_RND(x, mul) 						\
 	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
 
-struct ath_atx_ac {
-	int sched;
-	int qnum;
-	struct list_head list;
-	struct list_head tid_q;
-};
-
-struct ath_buf_state {
-	int bfs_nframes;
-	u16 bfs_al;
-	u16 bfs_frmlen;
-	int bfs_seqno;
-	int bfs_tidno;
-	int bfs_retries;
-	u8 bf_type;
-	u32 bfs_keyix;
-	enum ath9k_key_type bfs_keytype;
-};
-
-struct ath_buf {
-	struct list_head list;
-	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
-					   an aggregate) */
-	struct ath_buf *bf_next;	/* next subframe in the aggregate */
-	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
-	void *bf_desc;			/* virtual addr of desc */
-	dma_addr_t bf_daddr;		/* physical addr of desc */
-	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
-	bool bf_stale;
-	bool bf_isnullfunc;
-	bool bf_tx_aborted;
-	u16 bf_flags;
-	struct ath_buf_state bf_state;
-	dma_addr_t bf_dmacontext;
-	struct ath_wiphy *aphy;
-};
-
-struct ath_atx_tid {
-	struct list_head list;
-	struct list_head buf_q;
-	struct ath_node *an;
-	struct ath_atx_ac *ac;
-	struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
-	u16 seq_start;
-	u16 seq_next;
-	u16 baw_size;
-	int tidno;
-	int baw_head;   /* first un-acked tx buffer */
-	int baw_tail;   /* next unused tx buffer slot */
-	int sched;
-	int paused;
-	u8 state;
-};
-
-struct ath_node {
-	struct ath_common *common;
-	struct ath_atx_tid tid[WME_NUM_TID];
-	struct ath_atx_ac ac[WME_NUM_AC];
-	u16 maxampdu;
-	u8 mpdudensity;
-	int last_rssi;
-};
-
-int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
-				struct ieee80211_hw *hw,
-				struct sk_buff *skb,
-				struct ath_rx_status *rx_stats,
-				struct ieee80211_rx_status *rx_status,
-				bool *decrypt_error);
-
-void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
-				  struct sk_buff *skb,
-				  struct ath_rx_status *rx_stats,
-				  struct ieee80211_rx_status *rxs,
-				  bool decrypt_error);
-
 int ath9k_cmn_padpos(__le16 frame_control);
 int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
 void ath9k_cmn_update_ichannel(struct ieee80211_hw *hw,
@@ -140,3 +64,4 @@ int ath9k_cmn_key_config(struct ath_common *common,
 			 struct ieee80211_key_conf *key);
 void ath9k_cmn_key_delete(struct ath_common *common,
 			  struct ieee80211_key_conf *key);
+int ath9k_cmn_count_streams(unsigned int chainmask, int max);

drivers/net/wireless/ath/ath9k/debug.c

@@ -42,7 +42,7 @@ static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 	char buf[32];
 	unsigned int len;
 
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", common->debug_mask);
+	len = sprintf(buf, "0x%08x\n", common->debug_mask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -57,7 +57,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 
 	len = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, len))
-		return -EINVAL;
+		return -EFAULT;
 
 	buf[len] = '\0';
 	if (strict_strtoul(buf, 0, &mask))
@@ -86,7 +86,7 @@ static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
 	char buf[32];
 	unsigned int len;
 
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", common->tx_chainmask);
+	len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -101,7 +101,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use
 
 	len = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, len))
-		return -EINVAL;
+		return -EFAULT;
 
 	buf[len] = '\0';
 	if (strict_strtoul(buf, 0, &mask))
@@ -128,7 +128,7 @@ static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
 	char buf[32];
 	unsigned int len;
 
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", common->rx_chainmask);
+	len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -143,7 +143,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use
 
 	len = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, len))
-		return -EINVAL;
+		return -EFAULT;
 
 	buf[len] = '\0';
 	if (strict_strtoul(buf, 0, &mask))
@@ -176,7 +176,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 
 	buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 	if (!buf)
-		return 0;
+		return -ENOMEM;
 
 	ath9k_ps_wakeup(sc);
 
@@ -248,6 +248,9 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 
 	ath9k_ps_restore(sc);
 
+	if (len > DMA_BUF_LEN)
+		len = DMA_BUF_LEN;
+
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);
 	return retval;
@@ -269,6 +272,8 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 			sc->debug.stats.istats.rxlp++;
 		if (status & ATH9K_INT_RXHP)
 			sc->debug.stats.istats.rxhp++;
+		if (status & ATH9K_INT_BB_WATCHDOG)
+			sc->debug.stats.istats.bb_watchdog++;
 	} else {
 		if (status & ATH9K_INT_RX)
 			sc->debug.stats.istats.rxok++;
@@ -319,6 +324,9 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 			"%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
 		len += snprintf(buf + len, sizeof(buf) - len,
 			"%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
+		len += snprintf(buf + len, sizeof(buf) - len,
+			"%8s: %10u\n", "WATCHDOG",
+			sc->debug.stats.istats.bb_watchdog);
 	} else {
 		len += snprintf(buf + len, sizeof(buf) - len,
 			"%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
@@ -358,6 +366,9 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, sizeof(buf) - len,
 		"%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
 
+	if (len > sizeof(buf))
+		len = sizeof(buf);
+
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -397,11 +408,10 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
 	if (sc->cur_rate_table == NULL)
 		return 0;
 
-	max = 80 + sc->cur_rate_table->rate_cnt * 1024;
-	buf = kmalloc(max + 1, GFP_KERNEL);
+	max = 80 + sc->cur_rate_table->rate_cnt * 1024 + 1;
+	buf = kmalloc(max, GFP_KERNEL);
 	if (buf == NULL)
-		return 0;
-	buf[max] = 0;
+		return -ENOMEM;
 
 	len += sprintf(buf, "%6s %6s %6s "
 		       "%10s %10s %10s %10s\n",
@@ -443,6 +453,9 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
 			stats->per);
 	}
 
+	if (len > max)
+		len = max;
+
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);
 	return retval;
@@ -505,6 +518,9 @@ static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"addrmask: %pM\n", addr);
 
+	if (len > sizeof(buf))
+		len = sizeof(buf);
+
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -630,7 +646,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
-		return 0;
+		return -ENOMEM;
 
 	len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
 
@@ -648,6 +664,9 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 	PR("DATA Underrun:   ", data_underrun);
 	PR("DELIM Underrun:  ", delim_underrun);
 
+	if (len > size)
+		len = size;
+
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);
 
@@ -700,7 +719,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 
 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
-		return 0;
+		return -ENOMEM;
 
 	len += snprintf(buf + len, size - len,
 			"%18s : %10u\n", "CRC ERR",
@@ -751,6 +770,9 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 	PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 
+	if (len > size)
+		len = size;
+
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);
 
@@ -802,7 +824,7 @@ static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
 	char buf[32];
 	unsigned int len;
 
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.regidx);
+	len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -816,7 +838,7 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
 
 	len = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, len))
-		return -EINVAL;
+		return -EFAULT;
 
 	buf[len] = '\0';
 	if (strict_strtoul(buf, 0, &regidx))
@@ -843,7 +865,7 @@ static ssize_t read_file_regval(struct file *file, char __user *user_buf,
 	u32 regval;
 
 	regval = REG_READ_D(ah, sc->debug.regidx);
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", regval);
+	len = sprintf(buf, "0x%08x\n", regval);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -858,7 +880,7 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
 
 	len = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, len))
-		return -EINVAL;
+		return -EFAULT;
 
 	buf[len] = '\0';
 	if (strict_strtoul(buf, 0, &regval))

drivers/net/wireless/ath/ath9k/debug.h

@@ -53,6 +53,7 @@ struct ath_buf;
  * @cabend: RX End of CAB traffic
  * @dtimsync: DTIM sync lossage
  * @dtim: RX Beacon with DTIM
+ * @bb_watchdog: Baseband watchdog
  */
 struct ath_interrupt_stats {
 	u32 total;
@@ -76,6 +77,7 @@ struct ath_interrupt_stats {
 	u32 cabend;
 	u32 dtimsync;
 	u32 dtim;
+	u32 bb_watchdog;
 };
 
 struct ath_rc_stats {

drivers/net/wireless/ath/ath9k/eeprom.c

@@ -24,6 +24,14 @@ static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
 	return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
 }
 
+void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
+{
+        REG_WRITE(ah, reg, val);
+
+        if (ah->config.analog_shiftreg)
+		udelay(100);
+}
+
 void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
 			       u32 shift, u32 val)
 {
@@ -250,6 +258,27 @@ u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
 	return twiceMaxEdgePower;
 }
 
+void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+
+	switch (ar5416_get_ntxchains(ah->txchainmask)) {
+	case 1:
+		break;
+	case 2:
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
+		break;
+	case 3:
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
+		break;
+	default:
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Invalid chainmask configuration\n");
+		break;
+	}
+}
+
 int ath9k_hw_eeprom_init(struct ath_hw *ah)
 {
 	int status;

drivers/net/wireless/ath/ath9k/eeprom.h

@@ -679,6 +679,7 @@ struct eeprom_ops {
 	u16 (*get_spur_channel)(struct ath_hw *ah, u16 i, bool is2GHz);
 };
 
+void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val);
 void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
 			       u32 shift, u32 val);
 int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
@@ -704,6 +705,7 @@ void ath9k_hw_get_target_powers(struct ath_hw *ah,
 				u16 numRates, bool isHt40Target);
 u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
 				bool is2GHz, int num_band_edges);
+void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah);
 int ath9k_hw_eeprom_init(struct ath_hw *ah);
 
 #define ar5416_get_ntxchains(_txchainmask)			\

drivers/net/wireless/ath/ath9k/eeprom_4k.c

@@ -249,6 +249,7 @@ static void ath9k_hw_get_4k_gain_boundaries_pdadcs(struct ath_hw *ah,
 	struct chan_centers centers;
 #define PD_GAIN_BOUNDARY_DEFAULT 58;
 
+	memset(&minPwrT4, 0, AR9287_NUM_PD_GAINS);
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 
 	for (numPiers = 0; numPiers < availPiers; numPiers++) {

drivers/net/wireless/ath/ath9k/eeprom_def.c

@@ -617,6 +617,7 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
 	int16_t minDelta = 0;
 	struct chan_centers centers;
 
+	memset(&minPwrT4, 0, AR9287_NUM_PD_GAINS);
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 
 	for (numPiers = 0; numPiers < availPiers; numPiers++) {

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -16,12 +16,10 @@
 
 #include "htc.h"
 
-#define ATH9K_FW_USB_DEV(devid, fw)					\
-	{ USB_DEVICE(0x0cf3, devid), .driver_info = (unsigned long) fw }
-
 static struct usb_device_id ath9k_hif_usb_ids[] = {
-	ATH9K_FW_USB_DEV(0x9271, "ar9271.fw"),
-	ATH9K_FW_USB_DEV(0x1006, "ar9271.fw"),
+	{ USB_DEVICE(0x0cf3, 0x9271) },
+	{ USB_DEVICE(0x0cf3, 0x1006) },
+	{ USB_DEVICE(0x0cf3, 0x7010) },
 	{ },
 };
 
@@ -756,6 +754,7 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
 	size_t len = hif_dev->firmware->size;
 	u32 addr = AR9271_FIRMWARE;
 	u8 *buf = kzalloc(4096, GFP_KERNEL);
+	u32 firm_offset;
 
 	if (!buf)
 		return -ENOMEM;
@@ -779,32 +778,37 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
 	}
 	kfree(buf);
 
+	if (hif_dev->device_id == 0x7010)
+		firm_offset = AR7010_FIRMWARE_TEXT;
+	else
+		firm_offset = AR9271_FIRMWARE_TEXT;
+
 	/*
 	 * Issue FW download complete command to firmware.
 	 */
 	err = usb_control_msg(hif_dev->udev, usb_sndctrlpipe(hif_dev->udev, 0),
 			      FIRMWARE_DOWNLOAD_COMP,
 			      0x40 | USB_DIR_OUT,
-			      AR9271_FIRMWARE_TEXT >> 8, 0, NULL, 0, HZ);
+			      firm_offset >> 8, 0, NULL, 0, HZ);
 	if (err)
 		return -EIO;
 
 	dev_info(&hif_dev->udev->dev, "ath9k_htc: Transferred FW: %s, size: %ld\n",
-		 "ar9271.fw", (unsigned long) hif_dev->firmware->size);
+		 hif_dev->fw_name, (unsigned long) hif_dev->firmware->size);
 
 	return 0;
 }
 
-static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev,
-				  const char *fw_name)
+static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
 {
 	int ret;
 
 	/* Request firmware */
-	ret = request_firmware(&hif_dev->firmware, fw_name, &hif_dev->udev->dev);
+	ret = request_firmware(&hif_dev->firmware, hif_dev->fw_name,
+			       &hif_dev->udev->dev);
 	if (ret) {
 		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Firmware - %s not found\n", fw_name);
+			"ath9k_htc: Firmware - %s not found\n", hif_dev->fw_name);
 		goto err_fw_req;
 	}
 
@@ -820,7 +824,8 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev,
 	ret = ath9k_hif_usb_download_fw(hif_dev);
 	if (ret) {
 		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Firmware - %s download failed\n", fw_name);
+			"ath9k_htc: Firmware - %s download failed\n",
+			hif_dev->fw_name);
 		goto err_fw_download;
 	}
 
@@ -847,7 +852,6 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
 {
 	struct usb_device *udev = interface_to_usbdev(interface);
 	struct hif_device_usb *hif_dev;
-	const char *fw_name = (const char *) id->driver_info;
 	int ret = 0;
 
 	hif_dev = kzalloc(sizeof(struct hif_device_usb), GFP_KERNEL);
@@ -872,7 +876,29 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
 		goto err_htc_hw_alloc;
 	}
 
-	ret = ath9k_hif_usb_dev_init(hif_dev, fw_name);
+	/* Find out which firmware to load */
+
+	switch(hif_dev->device_id) {
+	case 0x9271:
+	case 0x1006:
+		hif_dev->fw_name = "ar9271.fw";
+		break;
+	case 0x7010:
+		if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x0202)
+			hif_dev->fw_name = "ar7010_1_1.fw";
+		else
+			hif_dev->fw_name = "ar7010.fw";
+		break;
+	default:
+		break;
+	}
+
+	if (!hif_dev->fw_name) {
+		dev_err(&udev->dev, "Can't determine firmware !\n");
+		goto err_htc_hw_alloc;
+	}
+
+	ret = ath9k_hif_usb_dev_init(hif_dev);
 	if (ret) {
 		ret = -EINVAL;
 		goto err_hif_init_usb;
@@ -907,12 +933,10 @@ static void ath9k_hif_usb_reboot(struct usb_device *udev)
 	void *buf;
 	int ret;
 
-	buf = kmalloc(4, GFP_KERNEL);
+	buf = kmemdup(&reboot_cmd, 4, GFP_KERNEL);
 	if (!buf)
 		return;
 
-	memcpy(buf, &reboot_cmd, 4);
-
 	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, USB_REG_OUT_PIPE),
 			   buf, 4, NULL, HZ);
 	if (ret)

drivers/net/wireless/ath/ath9k/hif_usb.h

@@ -19,6 +19,7 @@
 
 #define AR9271_FIRMWARE       0x501000
 #define AR9271_FIRMWARE_TEXT  0x903000
+#define AR7010_FIRMWARE_TEXT  0x906000
 
 #define FIRMWARE_DOWNLOAD       0x30
 #define FIRMWARE_DOWNLOAD_COMP  0x31
@@ -90,6 +91,7 @@ struct hif_device_usb {
 	struct usb_anchor regout_submitted;
 	struct usb_anchor rx_submitted;
 	struct sk_buff *remain_skb;
+	const char *fw_name;
 	int rx_remain_len;
 	int rx_pkt_len;
 	int rx_transfer_len;

drivers/net/wireless/ath/ath9k/htc.h

@@ -257,12 +257,15 @@ struct ath9k_htc_tx_ctl {
 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
 
+#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
+
 struct ath_tx_stats {
 	u32 buf_queued;
 	u32 buf_completed;
 	u32 skb_queued;
 	u32 skb_completed;
 	u32 skb_dropped;
+	u32 queue_stats[WME_NUM_AC];
 };
 
 struct ath_rx_stats {
@@ -286,6 +289,8 @@ struct ath9k_debug {
 #define TX_STAT_INC(c) do { } while (0)
 #define RX_STAT_INC(c) do { } while (0)
 
+#define TX_QSTAT_INC(c) do { } while (0)
+
 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
 
 #define ATH_LED_PIN_DEF             1
@@ -390,13 +395,14 @@ struct ath9k_htc_priv {
 	int led_off_duration;
 	int led_on_cnt;
 	int led_off_cnt;
+
+	int beaconq;
+	int cabq;
 	int hwq_map[ATH9K_WME_AC_VO+1];
 
 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
 	struct ath9k_debug debug;
 #endif
-	struct ath9k_htc_target_rate tgt_rate;
-
 	struct mutex mutex;
 };
 
@@ -405,6 +411,7 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 	common->bus_ops->read_cachesize(common, csz);
 }
 
+void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
 			     struct ieee80211_vif *vif);
 void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
@@ -426,6 +433,7 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv,
 			 enum ath9k_tx_queue_subtype qtype);
+int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
 int get_hw_qnum(u16 queue, int *hwq_map);
 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
 		       struct ath9k_tx_queue_info *qinfo);

drivers/net/wireless/ath/ath9k/htc_hst.c

@@ -89,7 +89,6 @@ static void htc_process_target_rdy(struct htc_target *target,
 	struct htc_endpoint *endpoint;
 	struct htc_ready_msg *htc_ready_msg = (struct htc_ready_msg *) buf;
 
-	target->credits = be16_to_cpu(htc_ready_msg->credits);
 	target->credit_size = be16_to_cpu(htc_ready_msg->credit_size);
 
 	endpoint = &target->endpoint[ENDPOINT0];
@@ -159,7 +158,7 @@ static int htc_config_pipe_credits(struct htc_target *target)
 
 	cp_msg->message_id = cpu_to_be16(HTC_MSG_CONFIG_PIPE_ID);
 	cp_msg->pipe_id = USB_WLAN_TX_PIPE;
-	cp_msg->credits = 28;
+	cp_msg->credits = target->credits;
 
 	target->htc_flags |= HTC_OP_CONFIG_PIPE_CREDITS;
 

drivers/net/wireless/ath/ath9k/wmi.c

@@ -279,9 +279,6 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
 	if (wmi->drv_priv->op_flags & OP_UNPLUGGED)
 		return 0;
 
-	if (!wmi)
-		return -EINVAL;
-
 	skb = alloc_skb(headroom + cmd_len, GFP_ATOMIC);
 	if (!skb)
 		return -ENOMEM;