atheros: put atheros wireless drivers into ath/

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 822 deletions

diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c
deleted file mode 100644
index fddda477095c..000000000000
--- a/drivers/net/wireless/ar9170/usb.c
+++ /dev/null
@@ -1,822 +0,0 @@
-/*
- * Atheros AR9170 driver
- *
- * USB - frontend
- *
- * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2009, Christian Lamparter <chunkeey@web.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, see
- * http://www.gnu.org/licenses/.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *    Copyright (c) 2007-2008 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 <linux/module.h>
-#include <linux/usb.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-#include <net/mac80211.h>
-#include "ar9170.h"
-#include "cmd.h"
-#include "hw.h"
-#include "usb.h"
-
-MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
-MODULE_AUTHOR("Christian Lamparter <chunkeey@web.de>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Atheros AR9170 802.11n USB wireless");
-MODULE_FIRMWARE("ar9170-1.fw");
-MODULE_FIRMWARE("ar9170-2.fw");
-
-static struct usb_device_id ar9170_usb_ids[] = {
-	/* Atheros 9170 */
-	{ USB_DEVICE(0x0cf3, 0x9170) },
-	/* Atheros TG121N */
-	{ USB_DEVICE(0x0cf3, 0x1001) },
-	/* Cace Airpcap NX */
-	{ USB_DEVICE(0xcace, 0x0300) },
-	/* D-Link DWA 160A */
-	{ USB_DEVICE(0x07d1, 0x3c10) },
-	/* Netgear WNDA3100 */
-	{ USB_DEVICE(0x0846, 0x9010) },
-	/* Netgear WN111 v2 */
-	{ USB_DEVICE(0x0846, 0x9001) },
-	/* Zydas ZD1221 */
-	{ USB_DEVICE(0x0ace, 0x1221) },
-	/* ZyXEL NWD271N */
-	{ USB_DEVICE(0x0586, 0x3417) },
-	/* Z-Com UB81 BG */
-	{ USB_DEVICE(0x0cde, 0x0023) },
-	/* Z-Com UB82 ABG */
-	{ USB_DEVICE(0x0cde, 0x0026) },
-	/* Arcadyan WN7512 */
-	{ USB_DEVICE(0x083a, 0xf522) },
-	/* Planex GWUS300 */
-	{ USB_DEVICE(0x2019, 0x5304) },
-	/* IO-Data WNGDNUS2 */
-	{ USB_DEVICE(0x04bb, 0x093f) },
-
-	/* terminate */
-	{}
-};
-MODULE_DEVICE_TABLE(usb, ar9170_usb_ids);
-
-static void ar9170_usb_tx_urb_complete_free(struct urb *urb)
-{
-	struct sk_buff *skb = urb->context;
-	struct ar9170_usb *aru = (struct ar9170_usb *)
-	      usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
-
-	if (!aru) {
-		dev_kfree_skb_irq(skb);
-		return ;
-	}
-
-	ar9170_handle_tx_status(&aru->common, skb, false,
-				AR9170_TX_STATUS_COMPLETE);
-}
-
-static void ar9170_usb_tx_urb_complete(struct urb *urb)
-{
-}
-
-static void ar9170_usb_irq_completed(struct urb *urb)
-{
-	struct ar9170_usb *aru = urb->context;
-
-	switch (urb->status) {
-	/* everything is fine */
-	case 0:
-		break;
-
-	/* disconnect */
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		goto free;
-
-	default:
-		goto resubmit;
-	}
-
-	print_hex_dump_bytes("ar9170 irq: ", DUMP_PREFIX_OFFSET,
-			     urb->transfer_buffer, urb->actual_length);
-
-resubmit:
-	usb_anchor_urb(urb, &aru->rx_submitted);
-	if (usb_submit_urb(urb, GFP_ATOMIC)) {
-		usb_unanchor_urb(urb);
-		goto free;
-	}
-
-	return;
-
-free:
-	usb_buffer_free(aru->udev, 64, urb->transfer_buffer, urb->transfer_dma);
-}
-
-static void ar9170_usb_rx_completed(struct urb *urb)
-{
-	struct sk_buff *skb = urb->context;
-	struct ar9170_usb *aru = (struct ar9170_usb *)
-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
-	int err;
-
-	if (!aru)
-		goto free;
-
-	switch (urb->status) {
-	/* everything is fine */
-	case 0:
-		break;
-
-	/* disconnect */
-	case -ENOENT:
-	case -ECONNRESET:
-	case -ENODEV:
-	case -ESHUTDOWN:
-		goto free;
-
-	default:
-		goto resubmit;
-	}
-
-	skb_put(skb, urb->actual_length);
-	ar9170_rx(&aru->common, skb);
-
-resubmit:
-	skb_reset_tail_pointer(skb);
-	skb_trim(skb, 0);
-
-	usb_anchor_urb(urb, &aru->rx_submitted);
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err) {
-		usb_unanchor_urb(urb);
-		dev_kfree_skb_irq(skb);
-	}
-
-	return ;
-
-free:
-	dev_kfree_skb_irq(skb);
-	return;
-}
-
-static int ar9170_usb_prep_rx_urb(struct ar9170_usb *aru,
-				  struct urb *urb, gfp_t gfp)
-{
-	struct sk_buff *skb;
-
-	skb = __dev_alloc_skb(AR9170_MAX_RX_BUFFER_SIZE + 32, gfp);
-	if (!skb)
-		return -ENOMEM;
-
-	/* reserve some space for mac80211's radiotap */
-	skb_reserve(skb, 32);
-
-	usb_fill_bulk_urb(urb, aru->udev,
-			  usb_rcvbulkpipe(aru->udev, AR9170_EP_RX),
-			  skb->data, min(skb_tailroom(skb),
-			  AR9170_MAX_RX_BUFFER_SIZE),
-			  ar9170_usb_rx_completed, skb);
-
-	return 0;
-}
-
-static int ar9170_usb_alloc_rx_irq_urb(struct ar9170_usb *aru)
-{
-	struct urb *urb = NULL;
-	void *ibuf;
-	int err = -ENOMEM;
-
-	/* initialize interrupt endpoint */
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb)
-		goto out;
-
-	ibuf = usb_buffer_alloc(aru->udev, 64, GFP_KERNEL, &urb->transfer_dma);
-	if (!ibuf)
-		goto out;
-
-	usb_fill_int_urb(urb, aru->udev,
-			 usb_rcvintpipe(aru->udev, AR9170_EP_IRQ), ibuf,
-			 64, ar9170_usb_irq_completed, aru, 1);
-	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	usb_anchor_urb(urb, &aru->rx_submitted);
-	err = usb_submit_urb(urb, GFP_KERNEL);
-	if (err) {
-		usb_unanchor_urb(urb);
-		usb_buffer_free(aru->udev, 64, urb->transfer_buffer,
-				urb->transfer_dma);
-	}
-
-out:
-	usb_free_urb(urb);
-	return err;
-}
-
-static int ar9170_usb_alloc_rx_bulk_urbs(struct ar9170_usb *aru)
-{
-	struct urb *urb;
-	int i;
-	int err = -EINVAL;
-
-	for (i = 0; i < AR9170_NUM_RX_URBS; i++) {
-		err = -ENOMEM;
-		urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!urb)
-			goto err_out;
-
-		err = ar9170_usb_prep_rx_urb(aru, urb, GFP_KERNEL);
-		if (err) {
-			usb_free_urb(urb);
-			goto err_out;
-		}
-
-		usb_anchor_urb(urb, &aru->rx_submitted);
-		err = usb_submit_urb(urb, GFP_KERNEL);
-		if (err) {
-			usb_unanchor_urb(urb);
-			dev_kfree_skb_any((void *) urb->transfer_buffer);
-			usb_free_urb(urb);
-			goto err_out;
-		}
-		usb_free_urb(urb);
-	}
-
-	/* the device now waiting for a firmware. */
-	aru->common.state = AR9170_IDLE;
-	return 0;
-
-err_out:
-
-	usb_kill_anchored_urbs(&aru->rx_submitted);
-	return err;
-}
-
-static void ar9170_usb_cancel_urbs(struct ar9170_usb *aru)
-{
-	int ret;
-
-	aru->common.state = AR9170_UNKNOWN_STATE;
-
-	usb_unlink_anchored_urbs(&aru->tx_submitted);
-
-	/* give the LED OFF command and the deauth frame a chance to air. */
-	ret = usb_wait_anchor_empty_timeout(&aru->tx_submitted,
-					    msecs_to_jiffies(100));
-	if (ret == 0)
-		dev_err(&aru->udev->dev, "kill pending tx urbs.\n");
-	usb_poison_anchored_urbs(&aru->tx_submitted);
-
-	usb_poison_anchored_urbs(&aru->rx_submitted);
-}
-
-static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd,
-			       unsigned int plen, void *payload,
-			       unsigned int outlen, void *out)
-{
-	struct ar9170_usb *aru = (void *) ar;
-	struct urb *urb = NULL;
-	unsigned long flags;
-	int err = -ENOMEM;
-
-	if (unlikely(!IS_ACCEPTING_CMD(ar)))
-		return -EPERM;
-
-	if (WARN_ON(plen > AR9170_MAX_CMD_LEN - 4))
-		return -EINVAL;
-
-	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (unlikely(!urb))
-		goto err_free;
-
-	ar->cmdbuf[0] = cpu_to_le32(plen);
-	ar->cmdbuf[0] |= cpu_to_le32(cmd << 8);
-	/* writing multiple regs fills this buffer already */
-	if (plen && payload != (u8 *)(&ar->cmdbuf[1]))
-		memcpy(&ar->cmdbuf[1], payload, plen);
-
-	spin_lock_irqsave(&aru->common.cmdlock, flags);
-	aru->readbuf = (u8 *)out;
-	aru->readlen = outlen;
-	spin_unlock_irqrestore(&aru->common.cmdlock, flags);
-
-	usb_fill_int_urb(urb, aru->udev,
-			 usb_sndbulkpipe(aru->udev, AR9170_EP_CMD),
-			 aru->common.cmdbuf, plen + 4,
-			 ar9170_usb_tx_urb_complete, NULL, 1);
-
-	usb_anchor_urb(urb, &aru->tx_submitted);
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (err) {
-		usb_unanchor_urb(urb);
-		usb_free_urb(urb);
-		goto err_unbuf;
-	}
-	usb_free_urb(urb);
-
-	err = wait_for_completion_timeout(&aru->cmd_wait, HZ);
-	if (err == 0) {
-		err = -ETIMEDOUT;
-		goto err_unbuf;
-	}
-
-	if (outlen >= 0 && aru->readlen != outlen) {
-		err = -EMSGSIZE;
-		goto err_unbuf;
-	}
-
-	return 0;
-
-err_unbuf:
-	/* Maybe the device was removed in the second we were waiting? */
-	if (IS_STARTED(ar)) {
-		dev_err(&aru->udev->dev, "no command feedback "
-					 "received (%d).\n", err);
-
-		/* provide some maybe useful debug information */
-		print_hex_dump_bytes("ar9170 cmd: ", DUMP_PREFIX_NONE,
-				     aru->common.cmdbuf, plen + 4);
-		dump_stack();
-	}
-
-	/* invalidate to avoid completing the next prematurely */
-	spin_lock_irqsave(&aru->common.cmdlock, flags);
-	aru->readbuf = NULL;
-	aru->readlen = 0;
-	spin_unlock_irqrestore(&aru->common.cmdlock, flags);
-
-err_free:
-
-	return err;
-}
-
-static int ar9170_usb_tx(struct ar9170 *ar, struct sk_buff *skb,
-			 bool txstatus_needed, unsigned int extra_len)
-{
-	struct ar9170_usb *aru = (struct ar9170_usb *) ar;
-	struct urb *urb;
-	int err;
-
-	if (unlikely(!IS_STARTED(ar))) {
-		/* Seriously, what were you drink... err... thinking!? */
-		return -EPERM;
-	}
-
-	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (unlikely(!urb))
-		return -ENOMEM;
-
-	usb_fill_bulk_urb(urb, aru->udev,
-			  usb_sndbulkpipe(aru->udev, AR9170_EP_TX),
-			  skb->data, skb->len + extra_len, (txstatus_needed ?
-			  ar9170_usb_tx_urb_complete :
-			  ar9170_usb_tx_urb_complete_free), skb);
-	urb->transfer_flags |= URB_ZERO_PACKET;
-
-	usb_anchor_urb(urb, &aru->tx_submitted);
-	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (unlikely(err))
-		usb_unanchor_urb(urb);
-
-	usb_free_urb(urb);
-	return err;
-}
-
-static void ar9170_usb_callback_cmd(struct ar9170 *ar, u32 len , void *buffer)
-{
-	struct ar9170_usb *aru = (void *) ar;
-	unsigned long flags;
-	u32 in, out;
-
-	if (!buffer)
-		return ;
-
-	in = le32_to_cpup((__le32 *)buffer);
-	out = le32_to_cpu(ar->cmdbuf[0]);
-
-	/* mask off length byte */
-	out &= ~0xFF;
-
-	if (aru->readlen >= 0) {
-		/* add expected length */
-		out |= aru->readlen;
-	} else {
-		/* add obtained length */
-		out |= in & 0xFF;
-	}
-
-	/*
-	 * Some commands (e.g: AR9170_CMD_FREQUENCY) have a variable response
-	 * length and we cannot predict the correct length in advance.
-	 * So we only check if we provided enough space for the data.
-	 */
-	if (unlikely(out < in)) {
-		dev_warn(&aru->udev->dev, "received invalid command response "
-					  "got %d bytes, instead of %d bytes "
-					  "and the resp length is %d bytes\n",
-			 in, out, len);
-		print_hex_dump_bytes("ar9170 invalid resp: ",
-				     DUMP_PREFIX_OFFSET, buffer, len);
-		/*
-		 * Do not complete, then the command times out,
-		 * and we get a stack trace from there.
-		 */
-		return ;
-	}
-
-	spin_lock_irqsave(&aru->common.cmdlock, flags);
-	if (aru->readbuf && len > 0) {
-		memcpy(aru->readbuf, buffer + 4, len - 4);
-		aru->readbuf = NULL;
-	}
-	complete(&aru->cmd_wait);
-	spin_unlock_irqrestore(&aru->common.cmdlock, flags);
-}
-
-static int ar9170_usb_upload(struct ar9170_usb *aru, const void *data,
-			     size_t len, u32 addr, bool complete)
-{
-	int transfer, err;
-	u8 *buf = kmalloc(4096, GFP_KERNEL);
-
-	if (!buf)
-		return -ENOMEM;
-
-	while (len) {
-		transfer = min_t(int, len, 4096);
-		memcpy(buf, data, transfer);
-
-		err = usb_control_msg(aru->udev, usb_sndctrlpipe(aru->udev, 0),
-				      0x30 /* FW DL */, 0x40 | USB_DIR_OUT,
-				      addr >> 8, 0, buf, transfer, 1000);
-
-		if (err < 0) {
-			kfree(buf);
-			return err;
-		}
-
-		len -= transfer;
-		data += transfer;
-		addr += transfer;
-	}
-	kfree(buf);
-
-	if (complete) {
-		err = usb_control_msg(aru->udev, usb_sndctrlpipe(aru->udev, 0),
-				      0x31 /* FW DL COMPLETE */,
-				      0x40 | USB_DIR_OUT, 0, 0, NULL, 0, 5000);
-	}
-
-	return 0;
-}
-
-static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
-{
-	int err = 0;
-
-	err = request_firmware(&aru->init_values, "ar9170-1.fw",
-			       &aru->udev->dev);
-	if (err) {
-		dev_err(&aru->udev->dev, "file with init values not found.\n");
-		return err;
-	}
-
-	err = request_firmware(&aru->firmware, "ar9170-2.fw", &aru->udev->dev);
-	if (err) {
-		release_firmware(aru->init_values);
-		dev_err(&aru->udev->dev, "firmware file not found.\n");
-		return err;
-	}
-
-	return err;
-}
-
-static int ar9170_usb_reset(struct ar9170_usb *aru)
-{
-	int ret, lock = (aru->intf->condition != USB_INTERFACE_BINDING);
-
-	if (lock) {
-		ret = usb_lock_device_for_reset(aru->udev, aru->intf);
-		if (ret < 0) {
-			dev_err(&aru->udev->dev, "unable to lock device "
-				"for reset (%d).\n", ret);
-			return ret;
-		}
-	}
-
-	ret = usb_reset_device(aru->udev);
-	if (lock)
-		usb_unlock_device(aru->udev);
-
-	/* let it rest - for a second - */
-	msleep(1000);
-
-	return ret;
-}
-
-static int ar9170_usb_upload_firmware(struct ar9170_usb *aru)
-{
-	int err;
-
-	/* First, upload initial values to device RAM */
-	err = ar9170_usb_upload(aru, aru->init_values->data,
-				aru->init_values->size, 0x102800, false);
-	if (err) {
-		dev_err(&aru->udev->dev, "firmware part 1 "
-			"upload failed (%d).\n", err);
-		return err;
-	}
-
-	/* Then, upload the firmware itself and start it */
-	return ar9170_usb_upload(aru, aru->firmware->data, aru->firmware->size,
-				0x200000, true);
-}
-
-static int ar9170_usb_init_transport(struct ar9170_usb *aru)
-{
-	struct ar9170 *ar = (void *) &aru->common;
-	int err;
-
-	ar9170_regwrite_begin(ar);
-
-	/* Set USB Rx stream mode MAX packet number to 2 */
-	ar9170_regwrite(AR9170_USB_REG_MAX_AGG_UPLOAD, 0x4);
-
-	/* Set USB Rx stream mode timeout to 10us */
-	ar9170_regwrite(AR9170_USB_REG_UPLOAD_TIME_CTL, 0x80);
-
-	ar9170_regwrite_finish();
-
-	err = ar9170_regwrite_result();
-	if (err)
-		dev_err(&aru->udev->dev, "USB setup failed (%d).\n", err);
-
-	return err;
-}
-
-static void ar9170_usb_stop(struct ar9170 *ar)
-{
-	struct ar9170_usb *aru = (void *) ar;
-	int ret;
-
-	if (IS_ACCEPTING_CMD(ar))
-		aru->common.state = AR9170_STOPPED;
-
-	/* lets wait a while until the tx - queues are dried out */
-	ret = usb_wait_anchor_empty_timeout(&aru->tx_submitted,
-					    msecs_to_jiffies(1000));
-	if (ret == 0)
-		dev_err(&aru->udev->dev, "kill pending tx urbs.\n");
-
-	usb_poison_anchored_urbs(&aru->tx_submitted);
-
-	/*
-	 * Note:
-	 * So far we freed all tx urbs, but we won't dare to touch any rx urbs.
-	 * Else we would end up with a unresponsive device...
-	 */
-}
-
-static int ar9170_usb_open(struct ar9170 *ar)
-{
-	struct ar9170_usb *aru = (void *) ar;
-	int err;
-
-	usb_unpoison_anchored_urbs(&aru->tx_submitted);
-	err = ar9170_usb_init_transport(aru);
-	if (err) {
-		usb_poison_anchored_urbs(&aru->tx_submitted);
-		return err;
-	}
-
-	aru->common.state = AR9170_IDLE;
-	return 0;
-}
-
-static int ar9170_usb_init_device(struct ar9170_usb *aru)
-{
-	int err;
-
-	err = ar9170_usb_alloc_rx_irq_urb(aru);
-	if (err)
-		goto err_out;
-
-	err = ar9170_usb_alloc_rx_bulk_urbs(aru);
-	if (err)
-		goto err_unrx;
-
-	err = ar9170_usb_upload_firmware(aru);
-	if (err) {
-		err = ar9170_echo_test(&aru->common, 0x60d43110);
-		if (err) {
-			/* force user invention, by disabling the device */
-			err = usb_driver_set_configuration(aru->udev, -1);
-			dev_err(&aru->udev->dev, "device is in a bad state. "
-						 "please reconnect it!\n");
-			goto err_unrx;
-		}
-	}
-
-	return 0;
-
-err_unrx:
-	ar9170_usb_cancel_urbs(aru);
-
-err_out:
-	return err;
-}
-
-static int ar9170_usb_probe(struct usb_interface *intf,
-			const struct usb_device_id *id)
-{
-	struct ar9170_usb *aru;
-	struct ar9170 *ar;
-	struct usb_device *udev;
-	int err;
-
-	aru = ar9170_alloc(sizeof(*aru));
-	if (IS_ERR(aru)) {
-		err = PTR_ERR(aru);
-		goto out;
-	}
-
-	udev = interface_to_usbdev(intf);
-	usb_get_dev(udev);
-	aru->udev = udev;
-	aru->intf = intf;
-	ar = &aru->common;
-
-	usb_set_intfdata(intf, aru);
-	SET_IEEE80211_DEV(ar->hw, &udev->dev);
-
-	init_usb_anchor(&aru->rx_submitted);
-	init_usb_anchor(&aru->tx_submitted);
-	init_completion(&aru->cmd_wait);
-
-	aru->common.stop = ar9170_usb_stop;
-	aru->common.open = ar9170_usb_open;
-	aru->common.tx = ar9170_usb_tx;
-	aru->common.exec_cmd = ar9170_usb_exec_cmd;
-	aru->common.callback_cmd = ar9170_usb_callback_cmd;
-
-	err = ar9170_usb_reset(aru);
-	if (err)
-		goto err_freehw;
-
-	err = ar9170_usb_request_firmware(aru);
-	if (err)
-		goto err_freehw;
-
-	err = ar9170_usb_init_device(aru);
-	if (err)
-		goto err_freefw;
-
-	err = ar9170_usb_open(ar);
-	if (err)
-		goto err_unrx;
-
-	err = ar9170_register(ar, &udev->dev);
-
-	ar9170_usb_stop(ar);
-	if (err)
-		goto err_unrx;
-
-	return 0;
-
-err_unrx:
-	ar9170_usb_cancel_urbs(aru);
-
-err_freefw:
-	release_firmware(aru->init_values);
-	release_firmware(aru->firmware);
-
-err_freehw:
-	usb_set_intfdata(intf, NULL);
-	usb_put_dev(udev);
-	ieee80211_free_hw(ar->hw);
-out:
-	return err;
-}
-
-static void ar9170_usb_disconnect(struct usb_interface *intf)
-{
-	struct ar9170_usb *aru = usb_get_intfdata(intf);
-
-	if (!aru)
-		return;
-
-	aru->common.state = AR9170_IDLE;
-	ar9170_unregister(&aru->common);
-	ar9170_usb_cancel_urbs(aru);
-
-	release_firmware(aru->init_values);
-	release_firmware(aru->firmware);
-
-	usb_put_dev(aru->udev);
-	usb_set_intfdata(intf, NULL);
-	ieee80211_free_hw(aru->common.hw);
-}
-
-#ifdef CONFIG_PM
-static int ar9170_suspend(struct usb_interface *intf,
-			  pm_message_t  message)
-{
-	struct ar9170_usb *aru = usb_get_intfdata(intf);
-
-	if (!aru)
-		return -ENODEV;
-
-	aru->common.state = AR9170_IDLE;
-	ar9170_usb_cancel_urbs(aru);
-
-	return 0;
-}
-
-static int ar9170_resume(struct usb_interface *intf)
-{
-	struct ar9170_usb *aru = usb_get_intfdata(intf);
-	int err;
-
-	if (!aru)
-		return -ENODEV;
-
-	usb_unpoison_anchored_urbs(&aru->rx_submitted);
-	usb_unpoison_anchored_urbs(&aru->tx_submitted);
-
-	/*
-	 * FIXME: firmware upload will fail on resume.
-	 * but this is better than a hang!
-	 */
-
-	err = ar9170_usb_init_device(aru);
-	if (err)
-		goto err_unrx;
-
-	err = ar9170_usb_open(&aru->common);
-	if (err)
-		goto err_unrx;
-
-	return 0;
-
-err_unrx:
-	aru->common.state = AR9170_IDLE;
-	ar9170_usb_cancel_urbs(aru);
-
-	return err;
-}
-#endif /* CONFIG_PM */
-
-static struct usb_driver ar9170_driver = {
-	.name = "ar9170usb",
-	.probe = ar9170_usb_probe,
-	.disconnect = ar9170_usb_disconnect,
-	.id_table = ar9170_usb_ids,
-	.soft_unbind = 1,
-#ifdef CONFIG_PM
-	.suspend = ar9170_suspend,
-	.resume = ar9170_resume,
-#endif /* CONFIG_PM */
-};
-
-static int __init ar9170_init(void)
-{
-	return usb_register(&ar9170_driver);
-}
-
-static void __exit ar9170_exit(void)
-{
-	usb_deregister(&ar9170_driver);
-}
-
-module_init(ar9170_init);
-module_exit(ar9170_exit);