Linux 2.6.35.3 Patch

22 files changed, 183 insertions, 111 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index b194bad29ace..8e2eab4e7c75 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1779,6 +1779,7 @@ static int e100_tx_clean(struct nic *nic)
 	for (cb = nic->cb_to_clean;
 	    cb->status & cpu_to_le16(cb_complete);
 	    cb = nic->cb_to_clean = cb->next) {
+		rmb(); /* read skb after status */
 		netif_printk(nic, tx_done, KERN_DEBUG, nic->netdev,
 			     "cb[%d]->status = 0x%04X\n",
 			     (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)),
@@ -1927,6 +1928,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx,
 
 	netif_printk(nic, rx_status, KERN_DEBUG, nic->netdev,
 		     "status=0x%04X\n", rfd_status);
+	rmb(); /* read size after status bit */
 
 	/* If data isn't ready, nothing to indicate */
 	if (unlikely(!(rfd_status & cb_complete))) {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 68a80893dce1..a2680bfbc7ad 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3448,6 +3448,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
 	       (count < tx_ring->count)) {
 		bool cleaned = false;
+		rmb();	/* read buffer_info after eop_desc */
 		for ( ; !cleaned; count++) {
 			tx_desc = E1000_TX_DESC(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
@@ -3637,6 +3638,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
 		if (*work_done >= work_to_do)
 			break;
 		(*work_done)++;
+		rmb(); /* read descriptor and rx_buffer_info after status DD */
 
 		status = rx_desc->status;
 		skb = buffer_info->skb;
@@ -3843,6 +3845,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 		if (*work_done >= work_to_do)
 			break;
 		(*work_done)++;
+		rmb(); /* read descriptor and rx_buffer_info after status DD */
 
 		status = rx_desc->status;
 		skb = buffer_info->skb;
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 5d1220d188d4..664ed5812cff 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -308,7 +308,7 @@ enum e1e_registers {
 #define E1000_KMRNCTRLSTA_INBAND_PARAM	0x9    /* Kumeran InBand Parameters */
 #define E1000_KMRNCTRLSTA_DIAG_NELPBK	0x1000 /* Nearend Loopback mode */
 #define E1000_KMRNCTRLSTA_K1_CONFIG	0x7
-#define E1000_KMRNCTRLSTA_K1_ENABLE	0x140E
+#define E1000_KMRNCTRLSTA_K1_ENABLE	0x0002
 #define E1000_KMRNCTRLSTA_K1_DISABLE	0x1400
 
 #define IFE_PHY_EXTENDED_STATUS_CONTROL	0x10
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 57a7e41da69e..ba246793ea4a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -774,6 +774,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 		if (*work_done >= work_to_do)
 			break;
 		(*work_done)++;
+		rmb();	/* read descriptor and rx_buffer_info after status DD */
 
 		status = rx_desc->status;
 		skb = buffer_info->skb;
@@ -984,6 +985,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
 	       (count < tx_ring->count)) {
 		bool cleaned = false;
+		rmb(); /* read buffer_info after eop_desc */
 		for (; !cleaned; count++) {
 			tx_desc = E1000_TX_DESC(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
@@ -1080,6 +1082,7 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 			break;
 		(*work_done)++;
 		skb = buffer_info->skb;
+		rmb();	/* read descriptor and rx_buffer_info after status DD */
 
 		/* in the packet split case this is header only */
 		prefetch(skb->data - NET_IP_ALIGN);
@@ -1279,6 +1282,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
 		if (*work_done >= work_to_do)
 			break;
 		(*work_done)++;
+		rmb();	/* read descriptor and rx_buffer_info after status DD */
 
 		status = rx_desc->status;
 		skb = buffer_info->skb;
@@ -3419,13 +3423,18 @@ static int e1000_test_msi(struct e1000_adapter *adapter)
 
 	/* disable SERR in case the MSI write causes a master abort */
 	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
-	pci_write_config_word(adapter->pdev, PCI_COMMAND,
-			      pci_cmd & ~PCI_COMMAND_SERR);
+	if (pci_cmd & PCI_COMMAND_SERR)
+		pci_write_config_word(adapter->pdev, PCI_COMMAND,
+				      pci_cmd & ~PCI_COMMAND_SERR);
 
 	err = e1000_test_msi_interrupt(adapter);
 
-	/* restore previous setting of command word */
-	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
+	/* re-enable SERR */
+	if (pci_cmd & PCI_COMMAND_SERR) {
+		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
+		pci_cmd |= PCI_COMMAND_SERR;
+		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
+	}
 
 	/* success ! */
 	if (!err)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index cea37e0837ff..c9cb9c444442 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -630,9 +630,6 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 			for (; i < adapter->rss_queues; i++)
 				adapter->rx_ring[i]->reg_idx = rbase_offset +
 				                               Q_IDX_82576(i);
-			for (; j < adapter->rss_queues; j++)
-				adapter->tx_ring[j]->reg_idx = rbase_offset +
-				                               Q_IDX_82576(j);
 		}
 	case e1000_82575:
 	case e1000_82580:
@@ -996,7 +993,10 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter)
 
 	/* Number of supported queues. */
 	adapter->num_rx_queues = adapter->rss_queues;
-	adapter->num_tx_queues = adapter->rss_queues;
+	if (adapter->vfs_allocated_count)
+		adapter->num_tx_queues = 1;
+	else
+		adapter->num_tx_queues = adapter->rss_queues;
 
 	/* start with one vector for every rx queue */
 	numvecs = adapter->num_rx_queues;
@@ -5344,6 +5344,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 
 	while ((eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)) &&
 	       (count < tx_ring->count)) {
+		rmb();	/* read buffer_info after eop_desc status */
 		for (cleaned = false; !cleaned; count++) {
 			tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
@@ -5549,6 +5550,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 		if (*work_done >= budget)
 			break;
 		(*work_done)++;
+		rmb(); /* read descriptor and rx_buffer_info after status DD */
 
 		skb = buffer_info->skb;
 		prefetch(skb->data - NET_IP_ALIGN);
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 5e2b2a8c56c6..57b5fee4ca8d 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -248,6 +248,7 @@ static bool igbvf_clean_rx_irq(struct igbvf_adapter *adapter,
 		if (*work_done >= work_to_do)
 			break;
 		(*work_done)++;
+		rmb(); /* read descriptor and rx_buffer_info after status DD */
 
 		buffer_info = &rx_ring->buffer_info[i];
 
@@ -780,6 +781,7 @@ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring)
 
 	while ((eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)) &&
 	       (count < tx_ring->count)) {
+		rmb();	/* read buffer_info after eop_desc status */
 		for (cleaned = false; !cleaned; count++) {
 			tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index c6b75c83100c..45fc89b9ba64 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1816,6 +1816,7 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
 
 	while (eop_desc->status & IXGB_TX_DESC_STATUS_DD) {
 
+		rmb(); /* read buffer_info after eop_desc */
 		for (cleaned = false; !cleaned; ) {
 			tx_desc = IXGB_TX_DESC(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
@@ -1976,6 +1977,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
 			break;
 
 		(*work_done)++;
+		rmb();	/* read descriptor and rx_buffer_info after status DD */
 		status = rx_desc->status;
 		skb = buffer_info->skb;
 		buffer_info->skb = NULL;
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 74d9b6df3029..649c8678d343 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -748,6 +748,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 	while ((eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) &&
 	       (count < tx_ring->work_limit)) {
 		bool cleaned = false;
+		rmb(); /* read buffer_info after eop_desc */
 		for ( ; !cleaned; count++) {
 			struct sk_buff *skb;
 			tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index a16cff7e54a3..3ea59f119951 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -231,6 +231,7 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter,
 	while ((eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) &&
 	       (count < tx_ring->work_limit)) {
 		bool cleaned = false;
+		rmb(); /* read buffer_info after eop_desc */
 		for ( ; !cleaned; count++) {
 			struct sk_buff *skb;
 			tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
@@ -518,6 +519,7 @@ static bool ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,
 			break;
 		(*work_done)++;
 
+		rmb(); /* read descriptor and rx_buffer_info after status DD */
 		if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
 			hdr_info = le16_to_cpu(ixgbevf_get_hdr_info(rx_desc));
 			len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index cc559741b0fa..7a7b01a0fff8 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -84,8 +84,7 @@ struct smsc911x_data {
 	 */
 	spinlock_t mac_lock;
 
-	/* spinlock to ensure 16-bit accesses are serialised.
-	 * unused with a 32-bit bus */
+	/* spinlock to ensure register accesses are serialised */
 	spinlock_t dev_lock;
 
 	struct phy_device *phy_dev;
@@ -118,37 +117,33 @@ struct smsc911x_data {
 	unsigned int hashlo;
 };
 
-/* The 16-bit access functions are significantly slower, due to the locking
- * necessary.  If your bus hardware can be configured to do this for you
- * (in response to a single 32-bit operation from software), you should use
- * the 32-bit access functions instead. */
-
-static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
+static inline u32 __smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
 {
 	if (pdata->config.flags & SMSC911X_USE_32BIT)
 		return readl(pdata->ioaddr + reg);
 
-	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		u32 data;
-		unsigned long flags;
-
-		/* these two 16-bit reads must be performed consecutively, so
-		 * must not be interrupted by our own ISR (which would start
-		 * another read operation) */
-		spin_lock_irqsave(&pdata->dev_lock, flags);
-		data = ((readw(pdata->ioaddr + reg) & 0xFFFF) |
+	if (pdata->config.flags & SMSC911X_USE_16BIT)
+		return ((readw(pdata->ioaddr + reg) & 0xFFFF) |
 			((readw(pdata->ioaddr + reg + 2) & 0xFFFF) << 16));
-		spin_unlock_irqrestore(&pdata->dev_lock, flags);
-
-		return data;
-	}
 
 	BUG();
 	return 0;
 }
 
-static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
-				      u32 val)
+static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
+{
+	u32 data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdata->dev_lock, flags);
+	data = __smsc911x_reg_read(pdata, reg);
+	spin_unlock_irqrestore(&pdata->dev_lock, flags);
+
+	return data;
+}
+
+static inline void __smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
+					u32 val)
 {
 	if (pdata->config.flags & SMSC911X_USE_32BIT) {
 		writel(val, pdata->ioaddr + reg);
@@ -156,44 +151,54 @@ static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
 	}
 
 	if (pdata->config.flags & SMSC911X_USE_16BIT) {
-		unsigned long flags;
-
-		/* these two 16-bit writes must be performed consecutively, so
-		 * must not be interrupted by our own ISR (which would start
-		 * another read operation) */
-		spin_lock_irqsave(&pdata->dev_lock, flags);
 		writew(val & 0xFFFF, pdata->ioaddr + reg);
 		writew((val >> 16) & 0xFFFF, pdata->ioaddr + reg + 2);
-		spin_unlock_irqrestore(&pdata->dev_lock, flags);
 		return;
 	}
 
 	BUG();
 }
 
+static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
+				      u32 val)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdata->dev_lock, flags);
+	__smsc911x_reg_write(pdata, reg, val);
+	spin_unlock_irqrestore(&pdata->dev_lock, flags);
+}
+
 /* Writes a packet to the TX_DATA_FIFO */
 static inline void
 smsc911x_tx_writefifo(struct smsc911x_data *pdata, unsigned int *buf,
 		      unsigned int wordcount)
 {
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdata->dev_lock, flags);
+
 	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
 		while (wordcount--)
-			smsc911x_reg_write(pdata, TX_DATA_FIFO, swab32(*buf++));
-		return;
+			__smsc911x_reg_write(pdata, TX_DATA_FIFO,
+					     swab32(*buf++));
+		goto out;
 	}
 
 	if (pdata->config.flags & SMSC911X_USE_32BIT) {
 		writesl(pdata->ioaddr + TX_DATA_FIFO, buf, wordcount);
-		return;
+		goto out;
 	}
 
 	if (pdata->config.flags & SMSC911X_USE_16BIT) {
 		while (wordcount--)
-			smsc911x_reg_write(pdata, TX_DATA_FIFO, *buf++);
-		return;
+			__smsc911x_reg_write(pdata, TX_DATA_FIFO, *buf++);
+		goto out;
 	}
 
 	BUG();
+out:
+	spin_unlock_irqrestore(&pdata->dev_lock, flags);
 }
 
 /* Reads a packet out of the RX_DATA_FIFO */
@@ -201,24 +206,31 @@ static inline void
 smsc911x_rx_readfifo(struct smsc911x_data *pdata, unsigned int *buf,
 		     unsigned int wordcount)
 {
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdata->dev_lock, flags);
+
 	if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
 		while (wordcount--)
-			*buf++ = swab32(smsc911x_reg_read(pdata, RX_DATA_FIFO));
-		return;
+			*buf++ = swab32(__smsc911x_reg_read(pdata,
+							    RX_DATA_FIFO));
+		goto out;
 	}
 
 	if (pdata->config.flags & SMSC911X_USE_32BIT) {
 		readsl(pdata->ioaddr + RX_DATA_FIFO, buf, wordcount);
-		return;
+		goto out;
 	}
 
 	if (pdata->config.flags & SMSC911X_USE_16BIT) {
 		while (wordcount--)
-			*buf++ = smsc911x_reg_read(pdata, RX_DATA_FIFO);
-		return;
+			*buf++ = __smsc911x_reg_read(pdata, RX_DATA_FIFO);
+		goto out;
 	}
 
 	BUG();
+out:
+	spin_unlock_irqrestore(&pdata->dev_lock, flags);
 }
 
 /* waits for MAC not busy, with timeout.  Only called by smsc911x_mac_read
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index 5fdbb53b47e0..dabafb874c36 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -239,7 +239,7 @@ static void ar9002_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			if (qCoff > 15)
 				qCoff = 15;
 			else if (qCoff <= -16)
-				qCoff = 16;
+				qCoff = -16;
 
 			ath_print(common, ATH_DBG_CALIBRATE,
 				  "Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 23eb60ea5455..cb4e7daf87f1 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -944,7 +944,7 @@ static u8 ath9k_hw_ar9300_get_num_ant_config(struct ath_hw *ah,
 	return 1;
 }
 
-static u16 ath9k_hw_ar9300_get_eeprom_antenna_cfg(struct ath_hw *ah,
+static u32 ath9k_hw_ar9300_get_eeprom_antenna_cfg(struct ath_hw *ah,
 						  struct ath9k_channel *chan)
 {
 	return -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 21354c15a9a9..5f01a0f40c44 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -669,7 +669,7 @@ struct eeprom_ops {
 	int (*get_eeprom_ver)(struct ath_hw *hw);
 	int (*get_eeprom_rev)(struct ath_hw *hw);
 	u8 (*get_num_ant_config)(struct ath_hw *hw, enum ieee80211_band band);
-	u16 (*get_eeprom_antenna_cfg)(struct ath_hw *hw,
+	u32 (*get_eeprom_antenna_cfg)(struct ath_hw *hw,
 				      struct ath9k_channel *chan);
 	void (*set_board_values)(struct ath_hw *hw, struct ath9k_channel *chan);
 	void (*set_addac)(struct ath_hw *hw, struct ath9k_channel *chan);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 41a77d1bd439..1576bbbdb2c6 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -1149,13 +1149,13 @@ static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
 	}
 }
 
-static u16 ath9k_hw_4k_get_eeprom_antenna_cfg(struct ath_hw *ah,
+static u32 ath9k_hw_4k_get_eeprom_antenna_cfg(struct ath_hw *ah,
 					      struct ath9k_channel *chan)
 {
 	struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
 	struct modal_eep_4k_header *pModal = &eep->modalHeader;
 
-	return pModal->antCtrlCommon & 0xFFFF;
+	return pModal->antCtrlCommon;
 }
 
 static u8 ath9k_hw_4k_get_num_ant_config(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index b471db5fb82d..2705eb06fa5a 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -1131,13 +1131,13 @@ static u8 ath9k_hw_AR9287_get_num_ant_config(struct ath_hw *ah,
 	return 1;
 }
 
-static u16 ath9k_hw_AR9287_get_eeprom_antenna_cfg(struct ath_hw *ah,
+static u32 ath9k_hw_AR9287_get_eeprom_antenna_cfg(struct ath_hw *ah,
 						  struct ath9k_channel *chan)
 {
 	struct ar9287_eeprom *eep = &ah->eeprom.map9287;
 	struct modal_eep_ar9287_header *pModal = &eep->modalHeader;
 
-	return pModal->antCtrlCommon & 0xFFFF;
+	return pModal->antCtrlCommon;
 }
 
 static u16 ath9k_hw_AR9287_get_spur_channel(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 7e1ed78d0e64..54ce34ef1873 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -729,7 +729,7 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
 				    vpdTableI[i][sizeCurrVpdTable - 2]);
 		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
 
-		if (tgtIndex > maxIndex) {
+		if (tgtIndex >= maxIndex) {
 			while ((ss <= tgtIndex) &&
 			       (k < (AR5416_NUM_PDADC_VALUES - 1))) {
 				tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +
@@ -1437,14 +1437,14 @@ static u8 ath9k_hw_def_get_num_ant_config(struct ath_hw *ah,
 	return num_ant_config;
 }
 
-static u16 ath9k_hw_def_get_eeprom_antenna_cfg(struct ath_hw *ah,
+static u32 ath9k_hw_def_get_eeprom_antenna_cfg(struct ath_hw *ah,
 					       struct ath9k_channel *chan)
 {
 	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
 	struct modal_eep_header *pModal =
 		&(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
 
-	return pModal->antCtrlCommon & 0xFFFF;
+	return pModal->antCtrlCommon;
 }
 
 static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index c33f17dbe6f1..2feee1ddb50d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -537,7 +537,8 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 
 	if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
 		if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
-		    (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
+		    ((AR_SREV_9160(ah) || AR_SREV_9280(ah)) &&
+		     !ah->is_pciexpress)) {
 			ah->config.serialize_regmode =
 				SER_REG_MODE_ON;
 		} else {
@@ -1232,9 +1233,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	if (!ah->chip_fullsleep) {
 		ath9k_hw_abortpcurecv(ah);
-		if (!ath9k_hw_stopdmarecv(ah))
+		if (!ath9k_hw_stopdmarecv(ah)) {
 			ath_print(common, ATH_DBG_XMIT,
 				"Failed to stop receive dma\n");
+			bChannelChange = false;
+		}
 	}
 
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
@@ -1265,7 +1268,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
 
 	/* For chips on which RTC reset is done, save TSF before it gets cleared */
-	if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+	if (AR_SREV_9100(ah) ||
+	    (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)))
 		tsf = ath9k_hw_gettsf64(ah);
 
 	saveLedState = REG_READ(ah, AR_CFG_LED) &
@@ -1297,7 +1301,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	}
 
 	/* Restore TSF */
-	if (tsf && AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+	if (tsf)
 		ath9k_hw_settsf64(ah, tsf);
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
@@ -1307,6 +1311,17 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (r)
 		return r;
 
+	/*
+	 * Some AR91xx SoC devices frequently fail to accept TSF writes
+	 * right after the chip reset. When that happens, write a new
+	 * value after the initvals have been applied, with an offset
+	 * based on measured time difference
+	 */
+	if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) {
+		tsf += 1500;
+		ath9k_hw_settsf64(ah, tsf);
+	}
+
 	/* Setup MFP options for CCMP */
 	if (AR_SREV_9280_20_OR_LATER(ah)) {
 		/* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 859aa4ab0769..d8dd5034abee 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -328,6 +328,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	u32 ba[WME_BA_BMP_SIZE >> 5];
 	int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
 	bool rc_update = true;
+	struct ieee80211_tx_rate rates[4];
 
 	skb = bf->bf_mpdu;
 	hdr = (struct ieee80211_hdr *)skb->data;
@@ -335,12 +336,30 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	tx_info = IEEE80211_SKB_CB(skb);
 	hw = bf->aphy->hw;
 
+	memcpy(rates, tx_info->control.rates, sizeof(rates));
+
 	rcu_read_lock();
 
 	/* XXX: use ieee80211_find_sta! */
 	sta = ieee80211_find_sta_by_hw(hw, hdr->addr1);
 	if (!sta) {
 		rcu_read_unlock();
+
+		INIT_LIST_HEAD(&bf_head);
+		while (bf) {
+			bf_next = bf->bf_next;
+
+			bf->bf_state.bf_type |= BUF_XRETRY;
+			if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
+			    !bf->bf_stale || bf_next != NULL)
+				list_move_tail(&bf->list, &bf_head);
+
+			ath_tx_rc_status(bf, ts, 0, 0, false);
+			ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
+				0, 0);
+
+			bf = bf_next;
+		}
 		return;
 	}
 
@@ -375,6 +394,9 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		txfail = txpending = 0;
 		bf_next = bf->bf_next;
 
+		skb = bf->bf_mpdu;
+		tx_info = IEEE80211_SKB_CB(skb);
+
 		if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, bf->bf_seqno))) {
 			/* transmit completion, subframe is
 			 * acked by block ack */
@@ -428,6 +450,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			spin_unlock_bh(&txq->axq_lock);
 
 			if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
+				memcpy(tx_info->control.rates, rates, sizeof(rates));
 				ath_tx_rc_status(bf, ts, nbad, txok, true);
 				rc_update = false;
 			} else {
@@ -487,6 +510,14 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		bf = bf_next;
 	}
 
+	/* prepend un-acked frames to the beginning of the pending frame queue */
+	if (!list_empty(&bf_pending)) {
+		spin_lock_bh(&txq->axq_lock);
+		list_splice(&bf_pending, &tid->buf_q);
+		ath_tx_queue_tid(txq, tid);
+		spin_unlock_bh(&txq->axq_lock);
+	}
+
 	if (tid->state & AGGR_CLEANUP) {
 		if (tid->baw_head == tid->baw_tail) {
 			tid->state &= ~AGGR_ADDBA_COMPLETE;
@@ -499,14 +530,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		return;
 	}
 
-	/* prepend un-acked frames to the beginning of the pending frame queue */
-	if (!list_empty(&bf_pending)) {
-		spin_lock_bh(&txq->axq_lock);
-		list_splice(&bf_pending, &tid->buf_q);
-		ath_tx_queue_tid(txq, tid);
-		spin_unlock_bh(&txq->axq_lock);
-	}
-
 	rcu_read_unlock();
 
 	if (needreset)
@@ -2050,7 +2073,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts,
 		tx_info->status.rates[i].idx = -1;
 	}
 
-	tx_info->status.rates[tx_rateindex].count = bf->bf_retries + 1;
+	tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
 }
 
 static void ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq)
@@ -2161,7 +2184,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			 * This frame is sent out as a single frame.
 			 * Use hardware retry status for this frame.
 			 */
-			bf->bf_retries = ts.ts_longretry;
 			if (ts.ts_status & ATH9K_TXERR_XRETRY)
 				bf->bf_state.bf_type |= BUF_XRETRY;
 			ath_tx_rc_status(bf, &ts, 0, txok, true);
@@ -2280,7 +2302,6 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
 		txok = !(txs.ts_status & ATH9K_TXERR_MASK);
 
 		if (!bf_isampdu(bf)) {
-			bf->bf_retries = txs.ts_longretry;
 			if (txs.ts_status & ATH9K_TXERR_XRETRY)
 				bf->bf_state.bf_type |= BUF_XRETRY;
 			ath_tx_rc_status(bf, &txs, 0, txok, true);
@@ -2449,37 +2470,37 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an)
 
 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
 {
-	int i;
-	struct ath_atx_ac *ac, *ac_tmp;
-	struct ath_atx_tid *tid, *tid_tmp;
+	struct ath_atx_ac *ac;
+	struct ath_atx_tid *tid;
 	struct ath_txq *txq;
+	int i, tidno;
 
-	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
-		if (ATH_TXQ_SETUP(sc, i)) {
-			txq = &sc->tx.txq[i];
+	for (tidno = 0, tid = &an->tid[tidno];
+	     tidno < WME_NUM_TID; tidno++, tid++) {
+		i = tid->ac->qnum;
 
-			spin_lock_bh(&txq->axq_lock);
+		if (!ATH_TXQ_SETUP(sc, i))
+			continue;
 
-			list_for_each_entry_safe(ac,
-					ac_tmp, &txq->axq_acq, list) {
-				tid = list_first_entry(&ac->tid_q,
-						struct ath_atx_tid, list);
-				if (tid && tid->an != an)
-					continue;
-				list_del(&ac->list);
-				ac->sched = false;
-
-				list_for_each_entry_safe(tid,
-						tid_tmp, &ac->tid_q, list) {
-					list_del(&tid->list);
-					tid->sched = false;
-					ath_tid_drain(sc, txq, tid);
-					tid->state &= ~AGGR_ADDBA_COMPLETE;
-					tid->state &= ~AGGR_CLEANUP;
-				}
-			}
+		txq = &sc->tx.txq[i];
+		ac = tid->ac;
 
-			spin_unlock_bh(&txq->axq_lock);
+		spin_lock_bh(&txq->axq_lock);
+
+		if (tid->sched) {
+			list_del(&tid->list);
+			tid->sched = false;
+		}
+
+		if (ac->sched) {
+			list_del(&ac->list);
+			tid->ac->sched = false;
 		}
+
+		ath_tid_drain(sc, txq, tid);
+		tid->state &= ~AGGR_ADDBA_COMPLETE;
+		tid->state &= ~AGGR_CLEANUP;
+
+		spin_unlock_bh(&txq->axq_lock);
 	}
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index ae7319bb3a99..4cf864c664ee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -193,7 +193,7 @@ TRACE_EVENT(iwlwifi_dev_tx,
 		__entry->framelen = buf0_len + buf1_len;
 		memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
 		memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
-		memcpy(__get_dynamic_array(buf1), buf1, buf0_len);
+		memcpy(__get_dynamic_array(buf1), buf1, buf1_len);
 	),
 	TP_printk("[%p] TX %.2x (%zu bytes)",
 		  __entry->priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 386c5f96eff8..e1af9fd5ac3a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -420,11 +420,10 @@ void iwl_bg_scan_check(struct work_struct *data)
 		return;
 
 	mutex_lock(&priv->mutex);
-	if (test_bit(STATUS_SCANNING, &priv->status) ||
-	    test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-		IWL_DEBUG_SCAN(priv, "Scan completion watchdog resetting "
-			"adapter (%dms)\n",
-			jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG));
+	if (test_bit(STATUS_SCANNING, &priv->status) &&
+	    !test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
+		IWL_DEBUG_SCAN(priv, "Scan completion watchdog (%dms)\n",
+			       jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG));
 
 		if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
 			iwl_send_scan_abort(priv);
@@ -489,12 +488,11 @@ void iwl_bg_abort_scan(struct work_struct *work)
 	    !test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 		return;
 
-	mutex_lock(&priv->mutex);
-
-	cancel_delayed_work_sync(&priv->scan_check);
-	set_bit(STATUS_SCAN_ABORTING, &priv->status);
-	iwl_send_scan_abort(priv);
+	cancel_delayed_work(&priv->scan_check);
 
+	mutex_lock(&priv->mutex);
+	if (test_bit(STATUS_SCAN_ABORTING, &priv->status))
+		iwl_send_scan_abort(priv);
 	mutex_unlock(&priv->mutex);
 }
 EXPORT_SYMBOL(iwl_bg_abort_scan);
diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c
index 515817de2905..15f09e81614e 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c
@@ -688,6 +688,8 @@ void rtl8180_beacon_work(struct work_struct *work)
 
 	/* grab a fresh beacon */
 	skb = ieee80211_beacon_get(dev, vif);
+	if (!skb)
+		goto resched;
 
 	/*
 	 * update beacon timestamp w/ TSF value
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index d504e2b60257..b50fedcef8ac 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1621,6 +1621,7 @@ static void backend_changed(struct xenbus_device *dev,
 		if (xennet_connect(netdev) != 0)
 			break;
 		xenbus_switch_state(dev, XenbusStateConnected);
+		netif_notify_peers(netdev);
 		break;
 
 	case XenbusStateClosing: