Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 1369 deletions

diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hif_usb.c b/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hif_usb.c
deleted file mode 100644
index 424aabb2..00000000
--- a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ /dev/null
@@ -1,1369 +0,0 @@
-/*
- * Copyright (c) 2010-2011 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <asm/unaligned.h>
-#include "htc.h"
-
-/* identify firmware images */
-#define FIRMWARE_AR7010_1_1     "htc_7010.fw"
-#define FIRMWARE_AR9271         "htc_9271.fw"
-
-MODULE_FIRMWARE(FIRMWARE_AR7010_1_1);
-MODULE_FIRMWARE(FIRMWARE_AR9271);
-
-static struct usb_device_id ath9k_hif_usb_ids[] = {
-	{ USB_DEVICE(0x0cf3, 0x9271) }, /* Atheros */
-	{ USB_DEVICE(0x0cf3, 0x1006) }, /* Atheros */
-	{ USB_DEVICE(0x0846, 0x9030) }, /* Netgear N150 */
-	{ USB_DEVICE(0x07D1, 0x3A10) }, /* Dlink Wireless 150 */
-	{ USB_DEVICE(0x13D3, 0x3327) }, /* Azurewave */
-	{ USB_DEVICE(0x13D3, 0x3328) }, /* Azurewave */
-	{ USB_DEVICE(0x13D3, 0x3346) }, /* IMC Networks */
-	{ USB_DEVICE(0x13D3, 0x3348) }, /* Azurewave */
-	{ USB_DEVICE(0x13D3, 0x3349) }, /* Azurewave */
-	{ USB_DEVICE(0x13D3, 0x3350) }, /* Azurewave */
-	{ USB_DEVICE(0x04CA, 0x4605) }, /* Liteon */
-	{ USB_DEVICE(0x040D, 0x3801) }, /* VIA */
-	{ USB_DEVICE(0x0cf3, 0xb003) }, /* Ubiquiti WifiStation Ext */
-	{ USB_DEVICE(0x057c, 0x8403) }, /* AVM FRITZ!WLAN 11N v2 USB */
-
-	{ USB_DEVICE(0x0cf3, 0x7015),
-	  .driver_info = AR9287_USB },  /* Atheros */
-	{ USB_DEVICE(0x1668, 0x1200),
-	  .driver_info = AR9287_USB },  /* Verizon */
-
-	{ USB_DEVICE(0x0cf3, 0x7010),
-	  .driver_info = AR9280_USB },  /* Atheros */
-	{ USB_DEVICE(0x0846, 0x9018),
-	  .driver_info = AR9280_USB },  /* Netgear WNDA3200 */
-	{ USB_DEVICE(0x083A, 0xA704),
-	  .driver_info = AR9280_USB },  /* SMC Networks */
-	{ USB_DEVICE(0x0411, 0x017f),
-	  .driver_info = AR9280_USB },  /* Sony UWA-BR100 */
-
-	{ USB_DEVICE(0x0cf3, 0x20ff),
-	  .driver_info = STORAGE_DEVICE },
-
-	{ },
-};
-
-MODULE_DEVICE_TABLE(usb, ath9k_hif_usb_ids);
-
-static int __hif_usb_tx(struct hif_device_usb *hif_dev);
-
-static void hif_usb_regout_cb(struct urb *urb)
-{
-	struct cmd_buf *cmd = (struct cmd_buf *)urb->context;
-
-	switch (urb->status) {
-	case 0:
-		break;
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		goto free;
-	default:
-		break;
-	}
-
-	if (cmd) {
-		ath9k_htc_txcompletion_cb(cmd->hif_dev->htc_handle,
-					  cmd->skb, true);
-		kfree(cmd);
-	}
-
-	return;
-free:
-	kfree_skb(cmd->skb);
-	kfree(cmd);
-}
-
-static int hif_usb_send_regout(struct hif_device_usb *hif_dev,
-			       struct sk_buff *skb)
-{
-	struct urb *urb;
-	struct cmd_buf *cmd;
-	int ret = 0;
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (urb == NULL)
-		return -ENOMEM;
-
-	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-	if (cmd == NULL) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	cmd->skb = skb;
-	cmd->hif_dev = hif_dev;
-
-	usb_fill_bulk_urb(urb, hif_dev->udev,
-			 usb_sndbulkpipe(hif_dev->udev, USB_REG_OUT_PIPE),
-			 skb->data, skb->len,
-			 hif_usb_regout_cb, cmd);
-
-	usb_anchor_urb(urb, &hif_dev->regout_submitted);
-	ret = usb_submit_urb(urb, GFP_KERNEL);
-	if (ret) {
-		usb_unanchor_urb(urb);
-		kfree(cmd);
-	}
-	usb_free_urb(urb);
-
-	return ret;
-}
-
-static void hif_usb_mgmt_cb(struct urb *urb)
-{
-	struct cmd_buf *cmd = (struct cmd_buf *)urb->context;
-	struct hif_device_usb *hif_dev;
-	bool txok = true;
-
-	if (!cmd || !cmd->skb || !cmd->hif_dev)
-		return;
-
-	hif_dev = cmd->hif_dev;
-
-	switch (urb->status) {
-	case 0:
-		break;
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		txok = false;
-
-		/*
-		 * If the URBs are being flushed, no need to complete
-		 * this packet.
-		 */
-		spin_lock(&hif_dev->tx.tx_lock);
-		if (hif_dev->tx.flags & HIF_USB_TX_FLUSH) {
-			spin_unlock(&hif_dev->tx.tx_lock);
-			dev_kfree_skb_any(cmd->skb);
-			kfree(cmd);
-			return;
-		}
-		spin_unlock(&hif_dev->tx.tx_lock);
-
-		break;
-	default:
-		txok = false;
-		break;
-	}
-
-	skb_pull(cmd->skb, 4);
-	ath9k_htc_txcompletion_cb(cmd->hif_dev->htc_handle,
-				  cmd->skb, txok);
-	kfree(cmd);
-}
-
-static int hif_usb_send_mgmt(struct hif_device_usb *hif_dev,
-			     struct sk_buff *skb)
-{
-	struct urb *urb;
-	struct cmd_buf *cmd;
-	int ret = 0;
-	__le16 *hdr;
-
-	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (urb == NULL)
-		return -ENOMEM;
-
-	cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
-	if (cmd == NULL) {
-		usb_free_urb(urb);
-		return -ENOMEM;
-	}
-
-	cmd->skb = skb;
-	cmd->hif_dev = hif_dev;
-
-	hdr = (__le16 *) skb_push(skb, 4);
-	*hdr++ = cpu_to_le16(skb->len - 4);
-	*hdr++ = cpu_to_le16(ATH_USB_TX_STREAM_MODE_TAG);
-
-	usb_fill_bulk_urb(urb, hif_dev->udev,
-			 usb_sndbulkpipe(hif_dev->udev, USB_WLAN_TX_PIPE),
-			 skb->data, skb->len,
-			 hif_usb_mgmt_cb, cmd);
-
-	usb_anchor_urb(urb, &hif_dev->mgmt_submitted);
-	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret) {
-		usb_unanchor_urb(urb);
-		kfree(cmd);
-	}
-	usb_free_urb(urb);
-
-	return ret;
-}
-
-static inline void ath9k_skb_queue_purge(struct hif_device_usb *hif_dev,
-					 struct sk_buff_head *list)
-{
-	struct sk_buff *skb;
-
-	while ((skb = __skb_dequeue(list)) != NULL) {
-		dev_kfree_skb_any(skb);
-	}
-}
-
-static inline void ath9k_skb_queue_complete(struct hif_device_usb *hif_dev,
-					    struct sk_buff_head *queue,
-					    bool txok)
-{
-	struct sk_buff *skb;
-
-	while ((skb = __skb_dequeue(queue)) != NULL) {
-		ath9k_htc_txcompletion_cb(hif_dev->htc_handle,
-					  skb, txok);
-		if (txok)
-			TX_STAT_INC(skb_success);
-		else
-			TX_STAT_INC(skb_failed);
-	}
-}
-
-static void hif_usb_tx_cb(struct urb *urb)
-{
-	struct tx_buf *tx_buf = (struct tx_buf *) urb->context;
-	struct hif_device_usb *hif_dev;
-	bool txok = true;
-
-	if (!tx_buf || !tx_buf->hif_dev)
-		return;
-
-	hif_dev = tx_buf->hif_dev;
-
-	switch (urb->status) {
-	case 0:
-		break;
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		txok = false;
-
-		/*
-		 * If the URBs are being flushed, no need to add this
-		 * URB to the free list.
-		 */
-		spin_lock(&hif_dev->tx.tx_lock);
-		if (hif_dev->tx.flags & HIF_USB_TX_FLUSH) {
-			spin_unlock(&hif_dev->tx.tx_lock);
-			ath9k_skb_queue_purge(hif_dev, &tx_buf->skb_queue);
-			return;
-		}
-		spin_unlock(&hif_dev->tx.tx_lock);
-
-		break;
-	default:
-		txok = false;
-		break;
-	}
-
-	ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, txok);
-
-	/* Re-initialize the SKB queue */
-	tx_buf->len = tx_buf->offset = 0;
-	__skb_queue_head_init(&tx_buf->skb_queue);
-
-	/* Add this TX buffer to the free list */
-	spin_lock(&hif_dev->tx.tx_lock);
-	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);
-	hif_dev->tx.tx_buf_cnt++;
-	if (!(hif_dev->tx.flags & HIF_USB_TX_STOP))
-		__hif_usb_tx(hif_dev); /* Check for pending SKBs */
-	TX_STAT_INC(buf_completed);
-	spin_unlock(&hif_dev->tx.tx_lock);
-}
-
-/* TX lock has to be taken */
-static int __hif_usb_tx(struct hif_device_usb *hif_dev)
-{
-	struct tx_buf *tx_buf = NULL;
-	struct sk_buff *nskb = NULL;
-	int ret = 0, i;
-	u16 tx_skb_cnt = 0;
-	u8 *buf;
-	__le16 *hdr;
-
-	if (hif_dev->tx.tx_skb_cnt == 0)
-		return 0;
-
-	/* Check if a free TX buffer is available */
-	if (list_empty(&hif_dev->tx.tx_buf))
-		return 0;
-
-	tx_buf = list_first_entry(&hif_dev->tx.tx_buf, struct tx_buf, list);
-	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_pending);
-	hif_dev->tx.tx_buf_cnt--;
-
-	tx_skb_cnt = min_t(u16, hif_dev->tx.tx_skb_cnt, MAX_TX_AGGR_NUM);
-
-	for (i = 0; i < tx_skb_cnt; i++) {
-		nskb = __skb_dequeue(&hif_dev->tx.tx_skb_queue);
-
-		/* Should never be NULL */
-		BUG_ON(!nskb);
-
-		hif_dev->tx.tx_skb_cnt--;
-
-		buf = tx_buf->buf;
-		buf += tx_buf->offset;
-		hdr = (__le16 *)buf;
-		*hdr++ = cpu_to_le16(nskb->len);
-		*hdr++ = cpu_to_le16(ATH_USB_TX_STREAM_MODE_TAG);
-		buf += 4;
-		memcpy(buf, nskb->data, nskb->len);
-		tx_buf->len = nskb->len + 4;
-
-		if (i < (tx_skb_cnt - 1))
-			tx_buf->offset += (((tx_buf->len - 1) / 4) + 1) * 4;
-
-		if (i == (tx_skb_cnt - 1))
-			tx_buf->len += tx_buf->offset;
-
-		__skb_queue_tail(&tx_buf->skb_queue, nskb);
-		TX_STAT_INC(skb_queued);
-	}
-
-	usb_fill_bulk_urb(tx_buf->urb, hif_dev->udev,
-			  usb_sndbulkpipe(hif_dev->udev, USB_WLAN_TX_PIPE),
-			  tx_buf->buf, tx_buf->len,
-			  hif_usb_tx_cb, tx_buf);
-
-	ret = usb_submit_urb(tx_buf->urb, GFP_ATOMIC);
-	if (ret) {
-		tx_buf->len = tx_buf->offset = 0;
-		ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, false);
-		__skb_queue_head_init(&tx_buf->skb_queue);
-		list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);
-		hif_dev->tx.tx_buf_cnt++;
-	}
-
-	if (!ret)
-		TX_STAT_INC(buf_queued);
-
-	return ret;
-}
-
-static int hif_usb_send_tx(struct hif_device_usb *hif_dev, struct sk_buff *skb)
-{
-	struct ath9k_htc_tx_ctl *tx_ctl;
-	unsigned long flags;
-	int ret = 0;
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-
-	if (hif_dev->tx.flags & HIF_USB_TX_STOP) {
-		spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-		return -ENODEV;
-	}
-
-	/* Check if the max queue count has been reached */
-	if (hif_dev->tx.tx_skb_cnt > MAX_TX_BUF_NUM) {
-		spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-		return -ENOMEM;
-	}
-
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-
-	tx_ctl = HTC_SKB_CB(skb);
-
-	/* Mgmt/Beacon frames don't use the TX buffer pool */
-	if ((tx_ctl->type == ATH9K_HTC_MGMT) ||
-	    (tx_ctl->type == ATH9K_HTC_BEACON)) {
-		ret = hif_usb_send_mgmt(hif_dev, skb);
-	}
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-
-	if ((tx_ctl->type == ATH9K_HTC_NORMAL) ||
-	    (tx_ctl->type == ATH9K_HTC_AMPDU)) {
-		__skb_queue_tail(&hif_dev->tx.tx_skb_queue, skb);
-		hif_dev->tx.tx_skb_cnt++;
-	}
-
-	/* Check if AMPDUs have to be sent immediately */
-	if ((hif_dev->tx.tx_buf_cnt == MAX_TX_URB_NUM) &&
-	    (hif_dev->tx.tx_skb_cnt < 2)) {
-		__hif_usb_tx(hif_dev);
-	}
-
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-
-	return ret;
-}
-
-static void hif_usb_start(void *hif_handle)
-{
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
-	unsigned long flags;
-
-	hif_dev->flags |= HIF_USB_START;
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-	hif_dev->tx.flags &= ~HIF_USB_TX_STOP;
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-}
-
-static void hif_usb_stop(void *hif_handle)
-{
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
-	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-	ath9k_skb_queue_complete(hif_dev, &hif_dev->tx.tx_skb_queue, false);
-	hif_dev->tx.tx_skb_cnt = 0;
-	hif_dev->tx.flags |= HIF_USB_TX_STOP;
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-
-	/* The pending URBs have to be canceled. */
-	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
-				 &hif_dev->tx.tx_pending, list) {
-		usb_kill_urb(tx_buf->urb);
-	}
-
-	usb_kill_anchored_urbs(&hif_dev->mgmt_submitted);
-}
-
-static int hif_usb_send(void *hif_handle, u8 pipe_id, struct sk_buff *skb)
-{
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
-	int ret = 0;
-
-	switch (pipe_id) {
-	case USB_WLAN_TX_PIPE:
-		ret = hif_usb_send_tx(hif_dev, skb);
-		break;
-	case USB_REG_OUT_PIPE:
-		ret = hif_usb_send_regout(hif_dev, skb);
-		break;
-	default:
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Invalid TX pipe: %d\n", pipe_id);
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static inline bool check_index(struct sk_buff *skb, u8 idx)
-{
-	struct ath9k_htc_tx_ctl *tx_ctl;
-
-	tx_ctl = HTC_SKB_CB(skb);
-
-	if ((tx_ctl->type == ATH9K_HTC_AMPDU) &&
-	    (tx_ctl->sta_idx == idx))
-		return true;
-
-	return false;
-}
-
-static void hif_usb_sta_drain(void *hif_handle, u8 idx)
-{
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle;
-	struct sk_buff *skb, *tmp;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-
-	skb_queue_walk_safe(&hif_dev->tx.tx_skb_queue, skb, tmp) {
-		if (check_index(skb, idx)) {
-			__skb_unlink(skb, &hif_dev->tx.tx_skb_queue);
-			ath9k_htc_txcompletion_cb(hif_dev->htc_handle,
-						  skb, false);
-			hif_dev->tx.tx_skb_cnt--;
-			TX_STAT_INC(skb_failed);
-		}
-	}
-
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-}
-
-static struct ath9k_htc_hif hif_usb = {
-	.transport = ATH9K_HIF_USB,
-	.name = "ath9k_hif_usb",
-
-	.control_ul_pipe = USB_REG_OUT_PIPE,
-	.control_dl_pipe = USB_REG_IN_PIPE,
-
-	.start = hif_usb_start,
-	.stop = hif_usb_stop,
-	.sta_drain = hif_usb_sta_drain,
-	.send = hif_usb_send,
-};
-
-static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
-				    struct sk_buff *skb)
-{
-	struct sk_buff *nskb, *skb_pool[MAX_PKT_NUM_IN_TRANSFER];
-	int index = 0, i = 0, len = skb->len;
-	int rx_remain_len, rx_pkt_len;
-	u16 pool_index = 0;
-	u8 *ptr;
-
-	spin_lock(&hif_dev->rx_lock);
-
-	rx_remain_len = hif_dev->rx_remain_len;
-	rx_pkt_len = hif_dev->rx_transfer_len;
-
-	if (rx_remain_len != 0) {
-		struct sk_buff *remain_skb = hif_dev->remain_skb;
-
-		if (remain_skb) {
-			ptr = (u8 *) remain_skb->data;
-
-			index = rx_remain_len;
-			rx_remain_len -= hif_dev->rx_pad_len;
-			ptr += rx_pkt_len;
-
-			memcpy(ptr, skb->data, rx_remain_len);
-
-			rx_pkt_len += rx_remain_len;
-			hif_dev->rx_remain_len = 0;
-			skb_put(remain_skb, rx_pkt_len);
-
-			skb_pool[pool_index++] = remain_skb;
-
-		} else {
-			index = rx_remain_len;
-		}
-	}
-
-	spin_unlock(&hif_dev->rx_lock);
-
-	while (index < len) {
-		u16 pkt_len;
-		u16 pkt_tag;
-		u16 pad_len;
-		int chk_idx;
-
-		ptr = (u8 *) skb->data;
-
-		pkt_len = get_unaligned_le16(ptr + index);
-		pkt_tag = get_unaligned_le16(ptr + index + 2);
-
-		if (pkt_tag != ATH_USB_RX_STREAM_MODE_TAG) {
-			RX_STAT_INC(skb_dropped);
-			return;
-		}
-
-		pad_len = 4 - (pkt_len & 0x3);
-		if (pad_len == 4)
-			pad_len = 0;
-
-		chk_idx = index;
-		index = index + 4 + pkt_len + pad_len;
-
-		if (index > MAX_RX_BUF_SIZE) {
-			spin_lock(&hif_dev->rx_lock);
-			hif_dev->rx_remain_len = index - MAX_RX_BUF_SIZE;
-			hif_dev->rx_transfer_len =
-				MAX_RX_BUF_SIZE - chk_idx - 4;
-			hif_dev->rx_pad_len = pad_len;
-
-			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
-			if (!nskb) {
-				dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation error\n");
-				spin_unlock(&hif_dev->rx_lock);
-				goto err;
-			}
-			skb_reserve(nskb, 32);
-			RX_STAT_INC(skb_allocated);
-
-			memcpy(nskb->data, &(skb->data[chk_idx+4]),
-			       hif_dev->rx_transfer_len);
-
-			/* Record the buffer pointer */
-			hif_dev->remain_skb = nskb;
-			spin_unlock(&hif_dev->rx_lock);
-		} else {
-			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
-			if (!nskb) {
-				dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation error\n");
-				goto err;
-			}
-			skb_reserve(nskb, 32);
-			RX_STAT_INC(skb_allocated);
-
-			memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len);
-			skb_put(nskb, pkt_len);
-			skb_pool[pool_index++] = nskb;
-		}
-	}
-
-err:
-	for (i = 0; i < pool_index; i++) {
-		ath9k_htc_rx_msg(hif_dev->htc_handle, skb_pool[i],
-				 skb_pool[i]->len, USB_WLAN_RX_PIPE);
-		RX_STAT_INC(skb_completed);
-	}
-}
-
-static void ath9k_hif_usb_rx_cb(struct urb *urb)
-{
-	struct sk_buff *skb = (struct sk_buff *) urb->context;
-	struct hif_device_usb *hif_dev =
-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
-	int ret;
-
-	if (!skb)
-		return;
-
-	if (!hif_dev)
-		goto free;
-
-	switch (urb->status) {
-	case 0:
-		break;
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		goto free;
-	default:
-		goto resubmit;
-	}
-
-	if (likely(urb->actual_length != 0)) {
-		skb_put(skb, urb->actual_length);
-		ath9k_hif_usb_rx_stream(hif_dev, skb);
-	}
-
-resubmit:
-	skb_reset_tail_pointer(skb);
-	skb_trim(skb, 0);
-
-	usb_anchor_urb(urb, &hif_dev->rx_submitted);
-	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret) {
-		usb_unanchor_urb(urb);
-		goto free;
-	}
-
-	return;
-free:
-	kfree_skb(skb);
-}
-
-static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
-{
-	struct sk_buff *skb = (struct sk_buff *) urb->context;
-	struct sk_buff *nskb;
-	struct hif_device_usb *hif_dev =
-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
-	int ret;
-
-	if (!skb)
-		return;
-
-	if (!hif_dev)
-		goto free;
-
-	switch (urb->status) {
-	case 0:
-		break;
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		goto free;
-	default:
-		skb_reset_tail_pointer(skb);
-		skb_trim(skb, 0);
-
-		goto resubmit;
-	}
-
-	if (likely(urb->actual_length != 0)) {
-		skb_put(skb, urb->actual_length);
-
-		/* Process the command first */
-		ath9k_htc_rx_msg(hif_dev->htc_handle, skb,
-				 skb->len, USB_REG_IN_PIPE);
-
-
-		nskb = alloc_skb(MAX_REG_IN_BUF_SIZE, GFP_ATOMIC);
-		if (!nskb) {
-			dev_err(&hif_dev->udev->dev,
-				"ath9k_htc: REG_IN memory allocation failure\n");
-			urb->context = NULL;
-			return;
-		}
-
-		usb_fill_bulk_urb(urb, hif_dev->udev,
-				 usb_rcvbulkpipe(hif_dev->udev,
-						 USB_REG_IN_PIPE),
-				 nskb->data, MAX_REG_IN_BUF_SIZE,
-				 ath9k_hif_usb_reg_in_cb, nskb);
-	}
-
-resubmit:
-	usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
-	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret) {
-		usb_unanchor_urb(urb);
-		goto free;
-	}
-
-	return;
-free:
-	kfree_skb(skb);
-	urb->context = NULL;
-}
-
-static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev)
-{
-	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;
-	unsigned long flags;
-
-	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
-				 &hif_dev->tx.tx_buf, list) {
-		usb_kill_urb(tx_buf->urb);
-		list_del(&tx_buf->list);
-		usb_free_urb(tx_buf->urb);
-		kfree(tx_buf->buf);
-		kfree(tx_buf);
-	}
-
-	spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
-	hif_dev->tx.flags |= HIF_USB_TX_FLUSH;
-	spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
-
-	list_for_each_entry_safe(tx_buf, tx_buf_tmp,
-				 &hif_dev->tx.tx_pending, list) {
-		usb_kill_urb(tx_buf->urb);
-		list_del(&tx_buf->list);
-		usb_free_urb(tx_buf->urb);
-		kfree(tx_buf->buf);
-		kfree(tx_buf);
-	}
-
-	usb_kill_anchored_urbs(&hif_dev->mgmt_submitted);
-}
-
-static int ath9k_hif_usb_alloc_tx_urbs(struct hif_device_usb *hif_dev)
-{
-	struct tx_buf *tx_buf;
-	int i;
-
-	INIT_LIST_HEAD(&hif_dev->tx.tx_buf);
-	INIT_LIST_HEAD(&hif_dev->tx.tx_pending);
-	spin_lock_init(&hif_dev->tx.tx_lock);
-	__skb_queue_head_init(&hif_dev->tx.tx_skb_queue);
-	init_usb_anchor(&hif_dev->mgmt_submitted);
-
-	for (i = 0; i < MAX_TX_URB_NUM; i++) {
-		tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL);
-		if (!tx_buf)
-			goto err;
-
-		tx_buf->buf = kzalloc(MAX_TX_BUF_SIZE, GFP_KERNEL);
-		if (!tx_buf->buf)
-			goto err;
-
-		tx_buf->urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!tx_buf->urb)
-			goto err;
-
-		tx_buf->hif_dev = hif_dev;
-		__skb_queue_head_init(&tx_buf->skb_queue);
-
-		list_add_tail(&tx_buf->list, &hif_dev->tx.tx_buf);
-	}
-
-	hif_dev->tx.tx_buf_cnt = MAX_TX_URB_NUM;
-
-	return 0;
-err:
-	if (tx_buf) {
-		kfree(tx_buf->buf);
-		kfree(tx_buf);
-	}
-	ath9k_hif_usb_dealloc_tx_urbs(hif_dev);
-	return -ENOMEM;
-}
-
-static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev)
-{
-	usb_kill_anchored_urbs(&hif_dev->rx_submitted);
-}
-
-static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
-{
-	struct urb *urb = NULL;
-	struct sk_buff *skb = NULL;
-	int i, ret;
-
-	init_usb_anchor(&hif_dev->rx_submitted);
-	spin_lock_init(&hif_dev->rx_lock);
-
-	for (i = 0; i < MAX_RX_URB_NUM; i++) {
-
-		/* Allocate URB */
-		urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (urb == NULL) {
-			ret = -ENOMEM;
-			goto err_urb;
-		}
-
-		/* Allocate buffer */
-		skb = alloc_skb(MAX_RX_BUF_SIZE, GFP_KERNEL);
-		if (!skb) {
-			ret = -ENOMEM;
-			goto err_skb;
-		}
-
-		usb_fill_bulk_urb(urb, hif_dev->udev,
-				  usb_rcvbulkpipe(hif_dev->udev,
-						  USB_WLAN_RX_PIPE),
-				  skb->data, MAX_RX_BUF_SIZE,
-				  ath9k_hif_usb_rx_cb, skb);
-
-		/* Anchor URB */
-		usb_anchor_urb(urb, &hif_dev->rx_submitted);
-
-		/* Submit URB */
-		ret = usb_submit_urb(urb, GFP_KERNEL);
-		if (ret) {
-			usb_unanchor_urb(urb);
-			goto err_submit;
-		}
-
-		/*
-		 * Drop reference count.
-		 * This ensures that the URB is freed when killing them.
-		 */
-		usb_free_urb(urb);
-	}
-
-	return 0;
-
-err_submit:
-	kfree_skb(skb);
-err_skb:
-	usb_free_urb(urb);
-err_urb:
-	ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
-	return ret;
-}
-
-static void ath9k_hif_usb_dealloc_reg_in_urbs(struct hif_device_usb *hif_dev)
-{
-	usb_kill_anchored_urbs(&hif_dev->reg_in_submitted);
-}
-
-static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
-{
-	struct urb *urb = NULL;
-	struct sk_buff *skb = NULL;
-	int i, ret;
-
-	init_usb_anchor(&hif_dev->reg_in_submitted);
-
-	for (i = 0; i < MAX_REG_IN_URB_NUM; i++) {
-
-		/* Allocate URB */
-		urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (urb == NULL) {
-			ret = -ENOMEM;
-			goto err_urb;
-		}
-
-		/* Allocate buffer */
-		skb = alloc_skb(MAX_REG_IN_BUF_SIZE, GFP_KERNEL);
-		if (!skb) {
-			ret = -ENOMEM;
-			goto err_skb;
-		}
-
-		usb_fill_bulk_urb(urb, hif_dev->udev,
-				  usb_rcvbulkpipe(hif_dev->udev,
-						  USB_REG_IN_PIPE),
-				  skb->data, MAX_REG_IN_BUF_SIZE,
-				  ath9k_hif_usb_reg_in_cb, skb);
-
-		/* Anchor URB */
-		usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
-
-		/* Submit URB */
-		ret = usb_submit_urb(urb, GFP_KERNEL);
-		if (ret) {
-			usb_unanchor_urb(urb);
-			goto err_submit;
-		}
-
-		/*
-		 * Drop reference count.
-		 * This ensures that the URB is freed when killing them.
-		 */
-		usb_free_urb(urb);
-	}
-
-	return 0;
-
-err_submit:
-	kfree_skb(skb);
-err_skb:
-	usb_free_urb(urb);
-err_urb:
-	ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
-	return ret;
-}
-
-static int ath9k_hif_usb_alloc_urbs(struct hif_device_usb *hif_dev)
-{
-	/* Register Write */
-	init_usb_anchor(&hif_dev->regout_submitted);
-
-	/* TX */
-	if (ath9k_hif_usb_alloc_tx_urbs(hif_dev) < 0)
-		goto err;
-
-	/* RX */
-	if (ath9k_hif_usb_alloc_rx_urbs(hif_dev) < 0)
-		goto err_rx;
-
-	/* Register Read */
-	if (ath9k_hif_usb_alloc_reg_in_urbs(hif_dev) < 0)
-		goto err_reg;
-
-	return 0;
-err_reg:
-	ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
-err_rx:
-	ath9k_hif_usb_dealloc_tx_urbs(hif_dev);
-err:
-	return -ENOMEM;
-}
-
-static void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev)
-{
-	usb_kill_anchored_urbs(&hif_dev->regout_submitted);
-	ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
-	ath9k_hif_usb_dealloc_tx_urbs(hif_dev);
-	ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
-}
-
-static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
-{
-	int transfer, err;
-	const void *data = hif_dev->firmware->data;
-	size_t len = hif_dev->firmware->size;
-	u32 addr = AR9271_FIRMWARE;
-	u8 *buf = kzalloc(4096, GFP_KERNEL);
-	u32 firm_offset;
-
-	if (!buf)
-		return -ENOMEM;
-
-	while (len) {
-		transfer = min_t(size_t, len, 4096);
-		memcpy(buf, data, transfer);
-
-		err = usb_control_msg(hif_dev->udev,
-				      usb_sndctrlpipe(hif_dev->udev, 0),
-				      FIRMWARE_DOWNLOAD, 0x40 | USB_DIR_OUT,
-				      addr >> 8, 0, buf, transfer, HZ);
-		if (err < 0) {
-			kfree(buf);
-			return err;
-		}
-
-		len -= transfer;
-		data += transfer;
-		addr += transfer;
-	}
-	kfree(buf);
-
-	if (IS_AR7010_DEVICE(hif_dev->usb_device_id->driver_info))
-		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,
-			      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",
-		 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)
-{
-	struct usb_host_interface *alt = &hif_dev->interface->altsetting[0];
-	struct usb_endpoint_descriptor *endp;
-	int ret, idx;
-
-	ret = ath9k_hif_usb_download_fw(hif_dev);
-	if (ret) {
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Firmware - %s download failed\n",
-			hif_dev->fw_name);
-		return ret;
-	}
-
-	/* On downloading the firmware to the target, the USB descriptor of EP4
-	 * is 'patched' to change the type of the endpoint to Bulk. This will
-	 * bring down CPU usage during the scan period.
-	 */
-	for (idx = 0; idx < alt->desc.bNumEndpoints; idx++) {
-		endp = &alt->endpoint[idx].desc;
-		if ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-				== USB_ENDPOINT_XFER_INT) {
-			endp->bmAttributes &= ~USB_ENDPOINT_XFERTYPE_MASK;
-			endp->bmAttributes |= USB_ENDPOINT_XFER_BULK;
-			endp->bInterval = 0;
-		}
-	}
-
-	/* Alloc URBs */
-	ret = ath9k_hif_usb_alloc_urbs(hif_dev);
-	if (ret) {
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Unable to allocate URBs\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static void ath9k_hif_usb_dev_deinit(struct hif_device_usb *hif_dev)
-{
-	ath9k_hif_usb_dealloc_urbs(hif_dev);
-}
-
-/*
- * If initialization fails or the FW cannot be retrieved,
- * detach the device.
- */
-static void ath9k_hif_usb_firmware_fail(struct hif_device_usb *hif_dev)
-{
-	struct device *parent = hif_dev->udev->dev.parent;
-
-	complete(&hif_dev->fw_done);
-
-	if (parent)
-		device_lock(parent);
-
-	device_release_driver(&hif_dev->udev->dev);
-
-	if (parent)
-		device_unlock(parent);
-}
-
-static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context)
-{
-	struct hif_device_usb *hif_dev = context;
-	int ret;
-
-	if (!fw) {
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Failed to get firmware %s\n",
-			hif_dev->fw_name);
-		goto err_fw;
-	}
-
-	hif_dev->htc_handle = ath9k_htc_hw_alloc(hif_dev, &hif_usb,
-						 &hif_dev->udev->dev);
-	if (hif_dev->htc_handle == NULL) {
-		goto err_fw;
-	}
-
-	hif_dev->firmware = fw;
-
-	/* Proceed with initialization */
-
-	ret = ath9k_hif_usb_dev_init(hif_dev);
-	if (ret)
-		goto err_dev_init;
-
-	ret = ath9k_htc_hw_init(hif_dev->htc_handle,
-				&hif_dev->interface->dev,
-				hif_dev->usb_device_id->idProduct,
-				hif_dev->udev->product,
-				hif_dev->usb_device_id->driver_info);
-	if (ret) {
-		ret = -EINVAL;
-		goto err_htc_hw_init;
-	}
-
-	complete(&hif_dev->fw_done);
-
-	return;
-
-err_htc_hw_init:
-	ath9k_hif_usb_dev_deinit(hif_dev);
-err_dev_init:
-	ath9k_htc_hw_free(hif_dev->htc_handle);
-	release_firmware(fw);
-	hif_dev->firmware = NULL;
-err_fw:
-	ath9k_hif_usb_firmware_fail(hif_dev);
-}
-
-/*
- * An exact copy of the function from zd1211rw.
- */
-static int send_eject_command(struct usb_interface *interface)
-{
-	struct usb_device *udev = interface_to_usbdev(interface);
-	struct usb_host_interface *iface_desc = &interface->altsetting[0];
-	struct usb_endpoint_descriptor *endpoint;
-	unsigned char *cmd;
-	u8 bulk_out_ep;
-	int r;
-
-	/* Find bulk out endpoint */
-	for (r = 1; r >= 0; r--) {
-		endpoint = &iface_desc->endpoint[r].desc;
-		if (usb_endpoint_dir_out(endpoint) &&
-		    usb_endpoint_xfer_bulk(endpoint)) {
-			bulk_out_ep = endpoint->bEndpointAddress;
-			break;
-		}
-	}
-	if (r == -1) {
-		dev_err(&udev->dev,
-			"ath9k_htc: Could not find bulk out endpoint\n");
-		return -ENODEV;
-	}
-
-	cmd = kzalloc(31, GFP_KERNEL);
-	if (cmd == NULL)
-		return -ENODEV;
-
-	/* USB bulk command block */
-	cmd[0] = 0x55;	/* bulk command signature */
-	cmd[1] = 0x53;	/* bulk command signature */
-	cmd[2] = 0x42;	/* bulk command signature */
-	cmd[3] = 0x43;	/* bulk command signature */
-	cmd[14] = 6;	/* command length */
-
-	cmd[15] = 0x1b;	/* SCSI command: START STOP UNIT */
-	cmd[19] = 0x2;	/* eject disc */
-
-	dev_info(&udev->dev, "Ejecting storage device...\n");
-	r = usb_bulk_msg(udev, usb_sndbulkpipe(udev, bulk_out_ep),
-		cmd, 31, NULL, 2000);
-	kfree(cmd);
-	if (r)
-		return r;
-
-	/* At this point, the device disconnects and reconnects with the real
-	 * ID numbers. */
-
-	usb_set_intfdata(interface, NULL);
-	return 0;
-}
-
-static int ath9k_hif_usb_probe(struct usb_interface *interface,
-			       const struct usb_device_id *id)
-{
-	struct usb_device *udev = interface_to_usbdev(interface);
-	struct hif_device_usb *hif_dev;
-	int ret = 0;
-
-	if (id->driver_info == STORAGE_DEVICE)
-		return send_eject_command(interface);
-
-	hif_dev = kzalloc(sizeof(struct hif_device_usb), GFP_KERNEL);
-	if (!hif_dev) {
-		ret = -ENOMEM;
-		goto err_alloc;
-	}
-
-	usb_get_dev(udev);
-
-	hif_dev->udev = udev;
-	hif_dev->interface = interface;
-	hif_dev->usb_device_id = id;
-#ifdef CONFIG_PM
-	udev->reset_resume = 1;
-#endif
-	usb_set_intfdata(interface, hif_dev);
-
-	init_completion(&hif_dev->fw_done);
-
-	/* Find out which firmware to load */
-
-	if (IS_AR7010_DEVICE(id->driver_info))
-		hif_dev->fw_name = FIRMWARE_AR7010_1_1;
-	else
-		hif_dev->fw_name = FIRMWARE_AR9271;
-
-	ret = request_firmware_nowait(THIS_MODULE, true, hif_dev->fw_name,
-				      &hif_dev->udev->dev, GFP_KERNEL,
-				      hif_dev, ath9k_hif_usb_firmware_cb);
-	if (ret) {
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Async request for firmware %s failed\n",
-			hif_dev->fw_name);
-		goto err_fw_req;
-	}
-
-	dev_info(&hif_dev->udev->dev, "ath9k_htc: Firmware %s requested\n",
-		 hif_dev->fw_name);
-
-	return 0;
-
-err_fw_req:
-	usb_set_intfdata(interface, NULL);
-	kfree(hif_dev);
-	usb_put_dev(udev);
-err_alloc:
-	return ret;
-}
-
-static void ath9k_hif_usb_reboot(struct usb_device *udev)
-{
-	u32 reboot_cmd = 0xffffffff;
-	void *buf;
-	int ret;
-
-	buf = kmemdup(&reboot_cmd, 4, GFP_KERNEL);
-	if (!buf)
-		return;
-
-	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, USB_REG_OUT_PIPE),
-			   buf, 4, NULL, HZ);
-	if (ret)
-		dev_err(&udev->dev, "ath9k_htc: USB reboot failed\n");
-
-	kfree(buf);
-}
-
-static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
-{
-	struct usb_device *udev = interface_to_usbdev(interface);
-	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
-	bool unplugged = (udev->state == USB_STATE_NOTATTACHED) ? true : false;
-
-	if (!hif_dev)
-		return;
-
-	wait_for_completion(&hif_dev->fw_done);
-
-	if (hif_dev->firmware) {
-		ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged);
-		ath9k_htc_hw_free(hif_dev->htc_handle);
-		ath9k_hif_usb_dev_deinit(hif_dev);
-		release_firmware(hif_dev->firmware);
-	}
-
-	usb_set_intfdata(interface, NULL);
-
-	if (!unplugged && (hif_dev->flags & HIF_USB_START))
-		ath9k_hif_usb_reboot(udev);
-
-	kfree(hif_dev);
-	dev_info(&udev->dev, "ath9k_htc: USB layer deinitialized\n");
-	usb_put_dev(udev);
-}
-
-#ifdef CONFIG_PM
-static int ath9k_hif_usb_suspend(struct usb_interface *interface,
-				 pm_message_t message)
-{
-	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
-
-	/*
-	 * The device has to be set to FULLSLEEP mode in case no
-	 * interface is up.
-	 */
-	if (!(hif_dev->flags & HIF_USB_START))
-		ath9k_htc_suspend(hif_dev->htc_handle);
-
-	ath9k_hif_usb_dealloc_urbs(hif_dev);
-
-	return 0;
-}
-
-static int ath9k_hif_usb_resume(struct usb_interface *interface)
-{
-	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
-	struct htc_target *htc_handle = hif_dev->htc_handle;
-	int ret;
-
-	ret = ath9k_hif_usb_alloc_urbs(hif_dev);
-	if (ret)
-		return ret;
-
-	if (hif_dev->firmware) {
-		ret = ath9k_hif_usb_download_fw(hif_dev);
-		if (ret)
-			goto fail_resume;
-	} else {
-		ath9k_hif_usb_dealloc_urbs(hif_dev);
-		return -EIO;
-	}
-
-	mdelay(100);
-
-	ret = ath9k_htc_resume(htc_handle);
-
-	if (ret)
-		goto fail_resume;
-
-	return 0;
-
-fail_resume:
-	ath9k_hif_usb_dealloc_urbs(hif_dev);
-
-	return ret;
-}
-#endif
-
-static struct usb_driver ath9k_hif_usb_driver = {
-	.name = KBUILD_MODNAME,
-	.probe = ath9k_hif_usb_probe,
-	.disconnect = ath9k_hif_usb_disconnect,
-#ifdef CONFIG_PM
-	.suspend = ath9k_hif_usb_suspend,
-	.resume = ath9k_hif_usb_resume,
-	.reset_resume = ath9k_hif_usb_resume,
-#endif
-	.id_table = ath9k_hif_usb_ids,
-	.soft_unbind = 1,
-};
-
-int ath9k_hif_usb_init(void)
-{
-	return usb_register(&ath9k_hif_usb_driver);
-}
-
-void ath9k_hif_usb_exit(void)
-{
-	usb_deregister(&ath9k_hif_usb_driver);
-}