Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...

Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David

1 files changed, 65 insertions, 94 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 5a2dfe87c6b6..3dff56ec195a 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
+	Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
 	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
 	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
 	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
@@ -100,19 +101,6 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 	msleep(10);
 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 
-	/*
-	 * Send signal to firmware during boot time.
-	 */
-	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
-
-	if (rt2x00_rt(rt2x00dev, RT3070) ||
-	    rt2x00_rt(rt2x00dev, RT3071) ||
-	    rt2x00_rt(rt2x00dev, RT3572)) {
-		udelay(200);
-		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
-		udelay(10);
-	}
-
 	return 0;
 }
 
@@ -134,26 +122,18 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
-	int i;
 
 	/*
 	 * Wait until BBP and RF are ready.
 	 */
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-		if (reg && reg != ~0)
-			break;
-		msleep(1);
-	}
-
-	if (i == REGISTER_BUSY_COUNT) {
-		ERROR(rt2x00dev, "Unstable hardware.\n");
+	if (rt2800_wait_csr_ready(rt2x00dev))
 		return -EBUSY;
-	}
 
 	rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
@@ -172,30 +152,10 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
-	u16 word;
 
-	/*
-	 * Initialize all registers.
-	 */
-	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800_init_registers(rt2x00dev) ||
-		     rt2800_init_bbp(rt2x00dev) ||
-		     rt2800_init_rfcsr(rt2x00dev)))
+	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 		return -EIO;
 
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	udelay(50);
-
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-
 	rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
@@ -210,45 +170,12 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 	rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg);
 
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	/*
-	 * Initialize LED control
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	return 0;
+	return rt2800_enable_radio(rt2x00dev);
 }
 
 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
-
-	/* Wait for DMA, ignore error */
-	rt2800_wait_wpdma_ready(rt2x00dev);
-
+	rt2800_disable_radio(rt2x00dev);
 	rt2x00usb_disable_radio(rt2x00dev);
 }
 
@@ -320,21 +247,19 @@ static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt2800usb_write_tx_data(struct queue_entry* entry,
-				    struct txentry_desc *txdesc)
+static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 {
-	__le32 *txwi = (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
-
-	rt2800_write_txwi(txwi, txdesc);
+	if (entry->queue->qid == QID_BEACON)
+		return (__le32 *) (entry->skb->data);
+	else
+		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 }
 
-
-static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	__le32 *txi = (__le32 *) skb->data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *txi = (__le32 *) entry->skb->data;
 	u32 word;
 
 	/*
@@ -342,7 +267,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 */
 	rt2x00_desc_read(txi, 0, &word);
 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
-			   skb->len - TXINFO_DESC_SIZE);
+			   entry->skb->len - TXINFO_DESC_SIZE);
 	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
@@ -379,6 +304,46 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 }
 
 /*
+ * TX control handlers
+ */
+static void rt2800usb_work_txdone(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, txdone_work);
+	struct data_queue *queue;
+	struct queue_entry *entry;
+
+	rt2800_txdone(rt2x00dev);
+
+	/*
+	 * Process any trailing TX status reports for IO failures,
+	 * we loop until we find the first non-IO error entry. This
+	 * can either be a frame which is free, is being uploaded,
+	 * or has completed the upload but didn't have an entry
+	 * in the TX_STAT_FIFO register yet.
+	 */
+	tx_queue_for_each(rt2x00dev, queue) {
+		while (!rt2x00queue_empty(queue)) {
+			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+
+			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+			    !test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+				break;
+
+			rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
+		}
+	}
+}
+
+static void rt2800usb_kill_tx_queue(struct data_queue *queue)
+{
+	if (queue->qid == QID_BEACON)
+		rt2x00usb_register_write(queue->rt2x00dev, BCN_TIME_CFG, 0);
+
+	rt2x00usb_kill_tx_queue(queue);
+}
+
+/*
  * RX control handlers
  */
 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
@@ -514,6 +479,11 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	 */
 	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
 
+	/*
+	 * Overwrite TX done handler
+	 */
+	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
+
 	return 0;
 }
 
@@ -549,6 +519,7 @@ static const struct rt2800_ops rt2800usb_rt2800_ops = {
 	.regbusy_read		= rt2x00usb_regbusy_read,
 	.drv_write_firmware	= rt2800usb_write_firmware,
 	.drv_init_registers	= rt2800usb_init_registers,
+	.drv_get_txwi		= rt2800usb_get_txwi,
 };
 
 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
@@ -566,11 +537,11 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 	.link_tuner		= rt2800_link_tuner,
 	.watchdog		= rt2x00usb_watchdog,
 	.write_tx_desc		= rt2800usb_write_tx_desc,
-	.write_tx_data		= rt2800usb_write_tx_data,
+	.write_tx_data		= rt2800_write_tx_data,
 	.write_beacon		= rt2800_write_beacon,
 	.get_tx_data_len	= rt2800usb_get_tx_data_len,
 	.kick_tx_queue		= rt2x00usb_kick_tx_queue,
-	.kill_tx_queue		= rt2x00usb_kill_tx_queue,
+	.kill_tx_queue		= rt2800usb_kill_tx_queue,
 	.fill_rxdone		= rt2800usb_fill_rxdone,
 	.config_shared_key	= rt2800_config_shared_key,
 	.config_pairwise_key	= rt2800_config_pairwise_key,