Linux-libre 4.5-gnu

1 files changed, 0 insertions, 1532 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
deleted file mode 100644
index d85c138bc..000000000
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ /dev/null
@@ -1,1532 +0,0 @@
-/*
- * Copyright (c) 2011 Broadcom Corporation
- *
- * 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/kernel.h>
-#include <linux/module.h>
-#include <linux/firmware.h>
-#include <linux/usb.h>
-#include <linux/vmalloc.h>
-
-#include <brcmu_utils.h>
-#include <brcm_hw_ids.h>
-#include <brcmu_wifi.h>
-#include "bus.h"
-#include "debug.h"
-#include "firmware.h"
-#include "usb.h"
-
-
-#define IOCTL_RESP_TIMEOUT		2000
-
-#define BRCMF_USB_RESET_GETVER_SPINWAIT	100	/* in unit of ms */
-#define BRCMF_USB_RESET_GETVER_LOOP_CNT	10
-
-#define BRCMF_POSTBOOT_ID		0xA123  /* ID to detect if dongle
-						   has boot up */
-#define BRCMF_USB_NRXQ			50
-#define BRCMF_USB_NTXQ			50
-
-#define BRCMF_USB_CBCTL_WRITE		0
-#define BRCMF_USB_CBCTL_READ		1
-#define BRCMF_USB_MAX_PKT_SIZE		1600
-
-#define BRCMF_USB_43143_FW_NAME		"/*(DEBLOBBED)*/"
-#define BRCMF_USB_43236_FW_NAME		"/*(DEBLOBBED)*/"
-#define BRCMF_USB_43242_FW_NAME		"/*(DEBLOBBED)*/"
-#define BRCMF_USB_43569_FW_NAME		"/*(DEBLOBBED)*/"
-
-#define TRX_MAGIC		0x30524448	/* "HDR0" */
-#define TRX_MAX_OFFSET		3		/* Max number of file offsets */
-#define TRX_UNCOMP_IMAGE	0x20		/* Trx holds uncompressed img */
-#define TRX_RDL_CHUNK		1500		/* size of each dl transfer */
-#define TRX_OFFSETS_DLFWLEN_IDX	0
-
-/* Control messages: bRequest values */
-#define DL_GETSTATE	0	/* returns the rdl_state_t struct */
-#define DL_CHECK_CRC	1	/* currently unused */
-#define DL_GO		2	/* execute downloaded image */
-#define DL_START	3	/* initialize dl state */
-#define DL_REBOOT	4	/* reboot the device in 2 seconds */
-#define DL_GETVER	5	/* returns the bootrom_id_t struct */
-#define DL_GO_PROTECTED	6	/* execute the downloaded code and set reset
-				 * event to occur in 2 seconds.  It is the
-				 * responsibility of the downloaded code to
-				 * clear this event
-				 */
-#define DL_EXEC		7	/* jump to a supplied address */
-#define DL_RESETCFG	8	/* To support single enum on dongle
-				 * - Not used by bootloader
-				 */
-#define DL_DEFER_RESP_OK 9	/* Potentially defer the response to setup
-				 * if resp unavailable
-				 */
-
-/* states */
-#define DL_WAITING	0	/* waiting to rx first pkt */
-#define DL_READY	1	/* hdr was good, waiting for more of the
-				 * compressed image
-				 */
-#define DL_BAD_HDR	2	/* hdr was corrupted */
-#define DL_BAD_CRC	3	/* compressed image was corrupted */
-#define DL_RUNNABLE	4	/* download was successful,waiting for go cmd */
-#define DL_START_FAIL	5	/* failed to initialize correctly */
-#define DL_NVRAM_TOOBIG	6	/* host specified nvram data exceeds DL_NVRAM
-				 * value
-				 */
-#define DL_IMAGE_TOOBIG	7	/* firmware image too big */
-
-
-struct trx_header_le {
-	__le32 magic;		/* "HDR0" */
-	__le32 len;		/* Length of file including header */
-	__le32 crc32;		/* CRC from flag_version to end of file */
-	__le32 flag_version;	/* 0:15 flags, 16:31 version */
-	__le32 offsets[TRX_MAX_OFFSET];	/* Offsets of partitions from start of
-					 * header
-					 */
-};
-
-struct rdl_state_le {
-	__le32 state;
-	__le32 bytes;
-};
-
-struct bootrom_id_le {
-	__le32 chip;		/* Chip id */
-	__le32 chiprev;		/* Chip rev */
-	__le32 ramsize;		/* Size of  RAM */
-	__le32 remapbase;	/* Current remap base address */
-	__le32 boardtype;	/* Type of board */
-	__le32 boardrev;	/* Board revision */
-};
-
-struct brcmf_usb_image {
-	struct list_head list;
-	s8 *fwname;
-	u8 *image;
-	int image_len;
-};
-
-struct brcmf_usbdev_info {
-	struct brcmf_usbdev bus_pub; /* MUST BE FIRST */
-	spinlock_t qlock;
-	struct list_head rx_freeq;
-	struct list_head rx_postq;
-	struct list_head tx_freeq;
-	struct list_head tx_postq;
-	uint rx_pipe, tx_pipe;
-
-	int rx_low_watermark;
-	int tx_low_watermark;
-	int tx_high_watermark;
-	int tx_freecount;
-	bool tx_flowblock;
-	spinlock_t tx_flowblock_lock;
-
-	struct brcmf_usbreq *tx_reqs;
-	struct brcmf_usbreq *rx_reqs;
-
-	const u8 *image;	/* buffer for combine fw and nvram */
-	int image_len;
-
-	struct usb_device *usbdev;
-	struct device *dev;
-	struct mutex dev_init_lock;
-
-	int ctl_in_pipe, ctl_out_pipe;
-	struct urb *ctl_urb; /* URB for control endpoint */
-	struct usb_ctrlrequest ctl_write;
-	struct usb_ctrlrequest ctl_read;
-	u32 ctl_urb_actual_length;
-	int ctl_urb_status;
-	int ctl_completed;
-	wait_queue_head_t ioctl_resp_wait;
-	ulong ctl_op;
-	u8 ifnum;
-
-	struct urb *bulk_urb; /* used for FW download */
-
-	bool wowl_enabled;
-};
-
-static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
-				struct brcmf_usbreq  *req);
-
-static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev)
-{
-	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
-	return bus_if->bus_priv.usb;
-}
-
-static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev)
-{
-	return brcmf_usb_get_buspub(dev)->devinfo;
-}
-
-static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo)
-{
-	return wait_event_timeout(devinfo->ioctl_resp_wait,
-				  devinfo->ctl_completed,
-				  msecs_to_jiffies(IOCTL_RESP_TIMEOUT));
-}
-
-static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
-{
-	if (waitqueue_active(&devinfo->ioctl_resp_wait))
-		wake_up(&devinfo->ioctl_resp_wait);
-}
-
-static void
-brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status)
-{
-	brcmf_dbg(USB, "Enter, status=%d\n", status);
-
-	if (unlikely(devinfo == NULL))
-		return;
-
-	if (type == BRCMF_USB_CBCTL_READ) {
-		if (status == 0)
-			devinfo->bus_pub.stats.rx_ctlpkts++;
-		else
-			devinfo->bus_pub.stats.rx_ctlerrs++;
-	} else if (type == BRCMF_USB_CBCTL_WRITE) {
-		if (status == 0)
-			devinfo->bus_pub.stats.tx_ctlpkts++;
-		else
-			devinfo->bus_pub.stats.tx_ctlerrs++;
-	}
-
-	devinfo->ctl_urb_status = status;
-	devinfo->ctl_completed = true;
-	brcmf_usb_ioctl_resp_wake(devinfo);
-}
-
-static void
-brcmf_usb_ctlread_complete(struct urb *urb)
-{
-	struct brcmf_usbdev_info *devinfo =
-		(struct brcmf_usbdev_info *)urb->context;
-
-	brcmf_dbg(USB, "Enter\n");
-	devinfo->ctl_urb_actual_length = urb->actual_length;
-	brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ,
-		urb->status);
-}
-
-static void
-brcmf_usb_ctlwrite_complete(struct urb *urb)
-{
-	struct brcmf_usbdev_info *devinfo =
-		(struct brcmf_usbdev_info *)urb->context;
-
-	brcmf_dbg(USB, "Enter\n");
-	brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE,
-		urb->status);
-}
-
-static int
-brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
-{
-	int ret;
-	u16 size;
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo == NULL || buf == NULL ||
-	    len == 0 || devinfo->ctl_urb == NULL)
-		return -EINVAL;
-
-	size = len;
-	devinfo->ctl_write.wLength = cpu_to_le16p(&size);
-	devinfo->ctl_urb->transfer_buffer_length = size;
-	devinfo->ctl_urb_status = 0;
-	devinfo->ctl_urb_actual_length = 0;
-
-	usb_fill_control_urb(devinfo->ctl_urb,
-		devinfo->usbdev,
-		devinfo->ctl_out_pipe,
-		(unsigned char *) &devinfo->ctl_write,
-		buf, size,
-		(usb_complete_t)brcmf_usb_ctlwrite_complete,
-		devinfo);
-
-	ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
-	if (ret < 0)
-		brcmf_err("usb_submit_urb failed %d\n", ret);
-
-	return ret;
-}
-
-static int
-brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
-{
-	int ret;
-	u16 size;
-
-	brcmf_dbg(USB, "Enter\n");
-	if ((devinfo == NULL) || (buf == NULL) || (len == 0)
-		|| (devinfo->ctl_urb == NULL))
-		return -EINVAL;
-
-	size = len;
-	devinfo->ctl_read.wLength = cpu_to_le16p(&size);
-	devinfo->ctl_urb->transfer_buffer_length = size;
-
-	devinfo->ctl_read.bRequestType = USB_DIR_IN
-		| USB_TYPE_CLASS | USB_RECIP_INTERFACE;
-	devinfo->ctl_read.bRequest = 1;
-
-	usb_fill_control_urb(devinfo->ctl_urb,
-		devinfo->usbdev,
-		devinfo->ctl_in_pipe,
-		(unsigned char *) &devinfo->ctl_read,
-		buf, size,
-		(usb_complete_t)brcmf_usb_ctlread_complete,
-		devinfo);
-
-	ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
-	if (ret < 0)
-		brcmf_err("usb_submit_urb failed %d\n", ret);
-
-	return ret;
-}
-
-static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
-{
-	int err = 0;
-	int timeout = 0;
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP)
-		return -EIO;
-
-	if (test_and_set_bit(0, &devinfo->ctl_op))
-		return -EIO;
-
-	devinfo->ctl_completed = false;
-	err = brcmf_usb_send_ctl(devinfo, buf, len);
-	if (err) {
-		brcmf_err("fail %d bytes: %d\n", err, len);
-		clear_bit(0, &devinfo->ctl_op);
-		return err;
-	}
-	timeout = brcmf_usb_ioctl_resp_wait(devinfo);
-	clear_bit(0, &devinfo->ctl_op);
-	if (!timeout) {
-		brcmf_err("Txctl wait timed out\n");
-		err = -EIO;
-	}
-	return err;
-}
-
-static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
-{
-	int err = 0;
-	int timeout = 0;
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP)
-		return -EIO;
-
-	if (test_and_set_bit(0, &devinfo->ctl_op))
-		return -EIO;
-
-	devinfo->ctl_completed = false;
-	err = brcmf_usb_recv_ctl(devinfo, buf, len);
-	if (err) {
-		brcmf_err("fail %d bytes: %d\n", err, len);
-		clear_bit(0, &devinfo->ctl_op);
-		return err;
-	}
-	timeout = brcmf_usb_ioctl_resp_wait(devinfo);
-	err = devinfo->ctl_urb_status;
-	clear_bit(0, &devinfo->ctl_op);
-	if (!timeout) {
-		brcmf_err("rxctl wait timed out\n");
-		err = -EIO;
-	}
-	if (!err)
-		return devinfo->ctl_urb_actual_length;
-	else
-		return err;
-}
-
-static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo,
-					  struct list_head *q, int *counter)
-{
-	unsigned long flags;
-	struct brcmf_usbreq  *req;
-	spin_lock_irqsave(&devinfo->qlock, flags);
-	if (list_empty(q)) {
-		spin_unlock_irqrestore(&devinfo->qlock, flags);
-		return NULL;
-	}
-	req = list_entry(q->next, struct brcmf_usbreq, list);
-	list_del_init(q->next);
-	if (counter)
-		(*counter)--;
-	spin_unlock_irqrestore(&devinfo->qlock, flags);
-	return req;
-
-}
-
-static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo,
-			  struct list_head *q, struct brcmf_usbreq *req,
-			  int *counter)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&devinfo->qlock, flags);
-	list_add_tail(&req->list, q);
-	if (counter)
-		(*counter)++;
-	spin_unlock_irqrestore(&devinfo->qlock, flags);
-}
-
-static struct brcmf_usbreq *
-brcmf_usbdev_qinit(struct list_head *q, int qsize)
-{
-	int i;
-	struct brcmf_usbreq *req, *reqs;
-
-	reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC);
-	if (reqs == NULL)
-		return NULL;
-
-	req = reqs;
-
-	for (i = 0; i < qsize; i++) {
-		req->urb = usb_alloc_urb(0, GFP_ATOMIC);
-		if (!req->urb)
-			goto fail;
-
-		INIT_LIST_HEAD(&req->list);
-		list_add_tail(&req->list, q);
-		req++;
-	}
-	return reqs;
-fail:
-	brcmf_err("fail!\n");
-	while (!list_empty(q)) {
-		req = list_entry(q->next, struct brcmf_usbreq, list);
-		if (req)
-			usb_free_urb(req->urb);
-		list_del(q->next);
-	}
-	return NULL;
-
-}
-
-static void brcmf_usb_free_q(struct list_head *q, bool pending)
-{
-	struct brcmf_usbreq *req, *next;
-	int i = 0;
-	list_for_each_entry_safe(req, next, q, list) {
-		if (!req->urb) {
-			brcmf_err("bad req\n");
-			break;
-		}
-		i++;
-		if (pending) {
-			usb_kill_urb(req->urb);
-		} else {
-			usb_free_urb(req->urb);
-			list_del_init(&req->list);
-		}
-	}
-}
-
-static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo,
-				struct brcmf_usbreq *req)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&devinfo->qlock, flags);
-	list_del_init(&req->list);
-	spin_unlock_irqrestore(&devinfo->qlock, flags);
-}
-
-
-static void brcmf_usb_tx_complete(struct urb *urb)
-{
-	struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
-	struct brcmf_usbdev_info *devinfo = req->devinfo;
-	unsigned long flags;
-
-	brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status,
-		  req->skb);
-	brcmf_usb_del_fromq(devinfo, req);
-
-	brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0);
-	req->skb = NULL;
-	brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount);
-	spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags);
-	if (devinfo->tx_freecount > devinfo->tx_high_watermark &&
-		devinfo->tx_flowblock) {
-		brcmf_txflowblock(devinfo->dev, false);
-		devinfo->tx_flowblock = false;
-	}
-	spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags);
-}
-
-static void brcmf_usb_rx_complete(struct urb *urb)
-{
-	struct brcmf_usbreq  *req = (struct brcmf_usbreq *)urb->context;
-	struct brcmf_usbdev_info *devinfo = req->devinfo;
-	struct sk_buff *skb;
-
-	brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status);
-	brcmf_usb_del_fromq(devinfo, req);
-	skb = req->skb;
-	req->skb = NULL;
-
-	/* zero lenght packets indicate usb "failure". Do not refill */
-	if (urb->status != 0 || !urb->actual_length) {
-		brcmu_pkt_buf_free_skb(skb);
-		brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
-		return;
-	}
-
-	if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) {
-		skb_put(skb, urb->actual_length);
-		brcmf_rx_frame(devinfo->dev, skb);
-		brcmf_usb_rx_refill(devinfo, req);
-	} else {
-		brcmu_pkt_buf_free_skb(skb);
-		brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
-	}
-	return;
-
-}
-
-static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
-				struct brcmf_usbreq  *req)
-{
-	struct sk_buff *skb;
-	int ret;
-
-	if (!req || !devinfo)
-		return;
-
-	skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu);
-	if (!skb) {
-		brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
-		return;
-	}
-	req->skb = skb;
-
-	usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe,
-			  skb->data, skb_tailroom(skb), brcmf_usb_rx_complete,
-			  req);
-	req->devinfo = devinfo;
-	brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL);
-
-	ret = usb_submit_urb(req->urb, GFP_ATOMIC);
-	if (ret) {
-		brcmf_usb_del_fromq(devinfo, req);
-		brcmu_pkt_buf_free_skb(req->skb);
-		req->skb = NULL;
-		brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
-	}
-	return;
-}
-
-static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo)
-{
-	struct brcmf_usbreq *req;
-
-	if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) {
-		brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state);
-		return;
-	}
-	while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL)
-		brcmf_usb_rx_refill(devinfo, req);
-}
-
-static void
-brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state)
-{
-	struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus;
-	int old_state;
-
-	brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n",
-		  devinfo->bus_pub.state, state);
-
-	if (devinfo->bus_pub.state == state)
-		return;
-
-	old_state = devinfo->bus_pub.state;
-	devinfo->bus_pub.state = state;
-
-	/* update state of upper layer */
-	if (state == BRCMFMAC_USB_STATE_DOWN) {
-		brcmf_dbg(USB, "DBUS is down\n");
-		brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN);
-	} else if (state == BRCMFMAC_USB_STATE_UP) {
-		brcmf_dbg(USB, "DBUS is up\n");
-		brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP);
-	} else {
-		brcmf_dbg(USB, "DBUS current state=%d\n", state);
-	}
-}
-
-static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
-{
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-	struct brcmf_usbreq  *req;
-	int ret;
-	unsigned long flags;
-
-	brcmf_dbg(USB, "Enter, skb=%p\n", skb);
-	if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) {
-		ret = -EIO;
-		goto fail;
-	}
-
-	req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq,
-					&devinfo->tx_freecount);
-	if (!req) {
-		brcmf_err("no req to send\n");
-		ret = -ENOMEM;
-		goto fail;
-	}
-
-	req->skb = skb;
-	req->devinfo = devinfo;
-	usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe,
-			  skb->data, skb->len, brcmf_usb_tx_complete, req);
-	req->urb->transfer_flags |= URB_ZERO_PACKET;
-	brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL);
-	ret = usb_submit_urb(req->urb, GFP_ATOMIC);
-	if (ret) {
-		brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n");
-		brcmf_usb_del_fromq(devinfo, req);
-		req->skb = NULL;
-		brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req,
-			      &devinfo->tx_freecount);
-		goto fail;
-	}
-
-	spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags);
-	if (devinfo->tx_freecount < devinfo->tx_low_watermark &&
-	    !devinfo->tx_flowblock) {
-		brcmf_txflowblock(dev, true);
-		devinfo->tx_flowblock = true;
-	}
-	spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags);
-	return 0;
-
-fail:
-	return ret;
-}
-
-
-static int brcmf_usb_up(struct device *dev)
-{
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP)
-		return 0;
-
-	/* Success, indicate devinfo is fully up */
-	brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP);
-
-	if (devinfo->ctl_urb) {
-		devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0);
-		devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0);
-
-		/* CTL Write */
-		devinfo->ctl_write.bRequestType =
-			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
-		devinfo->ctl_write.bRequest = 0;
-		devinfo->ctl_write.wValue = cpu_to_le16(0);
-		devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum);
-
-		/* CTL Read */
-		devinfo->ctl_read.bRequestType =
-			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
-		devinfo->ctl_read.bRequest = 1;
-		devinfo->ctl_read.wValue = cpu_to_le16(0);
-		devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum);
-	}
-	brcmf_usb_rx_fill_all(devinfo);
-	return 0;
-}
-
-static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo)
-{
-	if (devinfo->ctl_urb)
-		usb_kill_urb(devinfo->ctl_urb);
-	if (devinfo->bulk_urb)
-		usb_kill_urb(devinfo->bulk_urb);
-	brcmf_usb_free_q(&devinfo->tx_postq, true);
-	brcmf_usb_free_q(&devinfo->rx_postq, true);
-}
-
-static void brcmf_usb_down(struct device *dev)
-{
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo == NULL)
-		return;
-
-	if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN)
-		return;
-
-	brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN);
-
-	brcmf_cancel_all_urbs(devinfo);
-}
-
-static void
-brcmf_usb_sync_complete(struct urb *urb)
-{
-	struct brcmf_usbdev_info *devinfo =
-			(struct brcmf_usbdev_info *)urb->context;
-
-	devinfo->ctl_completed = true;
-	brcmf_usb_ioctl_resp_wake(devinfo);
-}
-
-static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
-			    void *buffer, int buflen)
-{
-	int ret;
-	char *tmpbuf;
-	u16 size;
-
-	if ((!devinfo) || (devinfo->ctl_urb == NULL))
-		return -EINVAL;
-
-	tmpbuf = kmalloc(buflen, GFP_ATOMIC);
-	if (!tmpbuf)
-		return -ENOMEM;
-
-	size = buflen;
-	devinfo->ctl_urb->transfer_buffer_length = size;
-
-	devinfo->ctl_read.wLength = cpu_to_le16p(&size);
-	devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR |
-		USB_RECIP_INTERFACE;
-	devinfo->ctl_read.bRequest = cmd;
-
-	usb_fill_control_urb(devinfo->ctl_urb,
-		devinfo->usbdev,
-		usb_rcvctrlpipe(devinfo->usbdev, 0),
-		(unsigned char *) &devinfo->ctl_read,
-		(void *) tmpbuf, size,
-		(usb_complete_t)brcmf_usb_sync_complete, devinfo);
-
-	devinfo->ctl_completed = false;
-	ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
-	if (ret < 0) {
-		brcmf_err("usb_submit_urb failed %d\n", ret);
-		goto finalize;
-	}
-
-	if (!brcmf_usb_ioctl_resp_wait(devinfo)) {
-		usb_kill_urb(devinfo->ctl_urb);
-		ret = -ETIMEDOUT;
-	} else {
-		memcpy(buffer, tmpbuf, buflen);
-	}
-
-finalize:
-	kfree(tmpbuf);
-	return ret;
-}
-
-static bool
-brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
-{
-	struct bootrom_id_le id;
-	u32 chipid, chiprev;
-
-	brcmf_dbg(USB, "Enter\n");
-
-	if (devinfo == NULL)
-		return false;
-
-	/* Check if firmware downloaded already by querying runtime ID */
-	id.chip = cpu_to_le32(0xDEAD);
-	brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id));
-
-	chipid = le32_to_cpu(id.chip);
-	chiprev = le32_to_cpu(id.chiprev);
-
-	if ((chipid & 0x4300) == 0x4300)
-		brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev);
-	else
-		brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev);
-	if (chipid == BRCMF_POSTBOOT_ID) {
-		brcmf_dbg(USB, "firmware already downloaded\n");
-		brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id));
-		return false;
-	} else {
-		devinfo->bus_pub.devid = chipid;
-		devinfo->bus_pub.chiprev = chiprev;
-	}
-	return true;
-}
-
-static int
-brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo)
-{
-	struct bootrom_id_le id;
-	u32 loop_cnt;
-	int err;
-
-	brcmf_dbg(USB, "Enter\n");
-
-	loop_cnt = 0;
-	do {
-		mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT);
-		loop_cnt++;
-		id.chip = cpu_to_le32(0xDEAD);       /* Get the ID */
-		err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id));
-		if ((err) && (err != -ETIMEDOUT))
-			return err;
-		if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID))
-			break;
-	} while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT);
-
-	if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) {
-		brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n",
-			  le32_to_cpu(id.chip), le32_to_cpu(id.chiprev));
-
-		brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id));
-		return 0;
-	} else {
-		brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n",
-			  BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt);
-		return -EINVAL;
-	}
-}
-
-
-static int
-brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len)
-{
-	int ret;
-
-	if ((devinfo == NULL) || (devinfo->bulk_urb == NULL))
-		return -EINVAL;
-
-	/* Prepare the URB */
-	usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev,
-			  devinfo->tx_pipe, buffer, len,
-			  (usb_complete_t)brcmf_usb_sync_complete, devinfo);
-
-	devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET;
-
-	devinfo->ctl_completed = false;
-	ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC);
-	if (ret) {
-		brcmf_err("usb_submit_urb failed %d\n", ret);
-		return ret;
-	}
-	ret = brcmf_usb_ioctl_resp_wait(devinfo);
-	return (ret == 0);
-}
-
-static int
-brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
-{
-	unsigned int sendlen, sent, dllen;
-	char *bulkchunk = NULL, *dlpos;
-	struct rdl_state_le state;
-	u32 rdlstate, rdlbytes;
-	int err = 0;
-
-	brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen);
-
-	bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC);
-	if (bulkchunk == NULL) {
-		err = -ENOMEM;
-		goto fail;
-	}
-
-	/* 1) Prepare USB boot loader for runtime image */
-	brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state));
-
-	rdlstate = le32_to_cpu(state.state);
-	rdlbytes = le32_to_cpu(state.bytes);
-
-	/* 2) Check we are in the Waiting state */
-	if (rdlstate != DL_WAITING) {
-		brcmf_err("Failed to DL_START\n");
-		err = -EINVAL;
-		goto fail;
-	}
-	sent = 0;
-	dlpos = fw;
-	dllen = fwlen;
-
-	/* Get chip id and rev */
-	while (rdlbytes != dllen) {
-		/* Wait until the usb device reports it received all
-		 * the bytes we sent */
-		if ((rdlbytes == sent) && (rdlbytes != dllen)) {
-			if ((dllen-sent) < TRX_RDL_CHUNK)
-				sendlen = dllen-sent;
-			else
-				sendlen = TRX_RDL_CHUNK;
-
-			/* simply avoid having to send a ZLP by ensuring we
-			 * never have an even
-			 * multiple of 64
-			 */
-			if (!(sendlen % 64))
-				sendlen -= 4;
-
-			/* send data */
-			memcpy(bulkchunk, dlpos, sendlen);
-			if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk,
-						   sendlen)) {
-				brcmf_err("send_bulk failed\n");
-				err = -EINVAL;
-				goto fail;
-			}
-
-			dlpos += sendlen;
-			sent += sendlen;
-		}
-		err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
-				       sizeof(state));
-		if (err) {
-			brcmf_err("DL_GETSTATE Failed\n");
-			goto fail;
-		}
-
-		rdlstate = le32_to_cpu(state.state);
-		rdlbytes = le32_to_cpu(state.bytes);
-
-		/* restart if an error is reported */
-		if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) {
-			brcmf_err("Bad Hdr or Bad CRC state %d\n",
-				  rdlstate);
-			err = -EINVAL;
-			goto fail;
-		}
-	}
-
-fail:
-	kfree(bulkchunk);
-	brcmf_dbg(USB, "Exit, err=%d\n", err);
-	return err;
-}
-
-static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len)
-{
-	int err;
-
-	brcmf_dbg(USB, "Enter\n");
-
-	if (devinfo == NULL)
-		return -EINVAL;
-
-	if (devinfo->bus_pub.devid == 0xDEAD)
-		return -EINVAL;
-
-	err = brcmf_usb_dl_writeimage(devinfo, fw, len);
-	if (err == 0)
-		devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE;
-	else
-		devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL;
-	brcmf_dbg(USB, "Exit, err=%d\n", err);
-
-	return err;
-}
-
-static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo)
-{
-	struct rdl_state_le state;
-
-	brcmf_dbg(USB, "Enter\n");
-	if (!devinfo)
-		return -EINVAL;
-
-	if (devinfo->bus_pub.devid == 0xDEAD)
-		return -EINVAL;
-
-	/* Check we are runnable */
-	state.state = 0;
-	brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state));
-
-	/* Start the image */
-	if (state.state == cpu_to_le32(DL_RUNNABLE)) {
-		if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state)))
-			return -ENODEV;
-		if (brcmf_usb_resetcfg(devinfo))
-			return -ENODEV;
-		/* The Dongle may go for re-enumeration. */
-	} else {
-		brcmf_err("Dongle not runnable\n");
-		return -EINVAL;
-	}
-	brcmf_dbg(USB, "Exit\n");
-	return 0;
-}
-
-static bool brcmf_usb_chip_support(int chipid, int chiprev)
-{
-	switch(chipid) {
-	case BRCM_CC_43143_CHIP_ID:
-		return true;
-	case BRCM_CC_43235_CHIP_ID:
-	case BRCM_CC_43236_CHIP_ID:
-	case BRCM_CC_43238_CHIP_ID:
-		return (chiprev == 3);
-	case BRCM_CC_43242_CHIP_ID:
-		return true;
-	case BRCM_CC_43566_CHIP_ID:
-	case BRCM_CC_43569_CHIP_ID:
-		return true;
-	default:
-		break;
-	}
-	return false;
-}
-
-static int
-brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
-{
-	int devid, chiprev;
-	int err;
-
-	brcmf_dbg(USB, "Enter\n");
-	if (devinfo == NULL)
-		return -ENODEV;
-
-	devid = devinfo->bus_pub.devid;
-	chiprev = devinfo->bus_pub.chiprev;
-
-	if (!brcmf_usb_chip_support(devid, chiprev)) {
-		brcmf_err("unsupported chip %d rev %d\n",
-			  devid, chiprev);
-		return -EINVAL;
-	}
-
-	if (!devinfo->image) {
-		brcmf_err("No firmware!\n");
-		return -ENOENT;
-	}
-
-	err = brcmf_usb_dlstart(devinfo,
-		(u8 *)devinfo->image, devinfo->image_len);
-	if (err == 0)
-		err = brcmf_usb_dlrun(devinfo);
-	return err;
-}
-
-
-static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo)
-{
-	brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo);
-
-	/* free the URBS */
-	brcmf_usb_free_q(&devinfo->rx_freeq, false);
-	brcmf_usb_free_q(&devinfo->tx_freeq, false);
-
-	usb_free_urb(devinfo->ctl_urb);
-	usb_free_urb(devinfo->bulk_urb);
-
-	kfree(devinfo->tx_reqs);
-	kfree(devinfo->rx_reqs);
-}
-
-
-static int check_file(const u8 *headers)
-{
-	struct trx_header_le *trx;
-	int actual_len = -1;
-
-	brcmf_dbg(USB, "Enter\n");
-	/* Extract trx header */
-	trx = (struct trx_header_le *) headers;
-	if (trx->magic != cpu_to_le32(TRX_MAGIC))
-		return -1;
-
-	headers += sizeof(struct trx_header_le);
-
-	if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) {
-		actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]);
-		return actual_len + sizeof(struct trx_header_le);
-	}
-	return -1;
-}
-
-static const char *brcmf_usb_get_fwname(struct brcmf_usbdev_info *devinfo)
-{
-	switch (devinfo->bus_pub.devid) {
-	case BRCM_CC_43143_CHIP_ID:
-		return BRCMF_USB_43143_FW_NAME;
-	case BRCM_CC_43235_CHIP_ID:
-	case BRCM_CC_43236_CHIP_ID:
-	case BRCM_CC_43238_CHIP_ID:
-		return BRCMF_USB_43236_FW_NAME;
-	case BRCM_CC_43242_CHIP_ID:
-		return BRCMF_USB_43242_FW_NAME;
-	case BRCM_CC_43566_CHIP_ID:
-	case BRCM_CC_43569_CHIP_ID:
-		return BRCMF_USB_43569_FW_NAME;
-	default:
-		return NULL;
-	}
-}
-
-
-static
-struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
-				      int nrxq, int ntxq)
-{
-	brcmf_dbg(USB, "Enter\n");
-
-	devinfo->bus_pub.nrxq = nrxq;
-	devinfo->rx_low_watermark = nrxq / 2;
-	devinfo->bus_pub.devinfo = devinfo;
-	devinfo->bus_pub.ntxq = ntxq;
-	devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN;
-
-	/* flow control when too many tx urbs posted */
-	devinfo->tx_low_watermark = ntxq / 4;
-	devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3;
-	devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
-
-	/* Initialize other structure content */
-	init_waitqueue_head(&devinfo->ioctl_resp_wait);
-
-	/* Initialize the spinlocks */
-	spin_lock_init(&devinfo->qlock);
-	spin_lock_init(&devinfo->tx_flowblock_lock);
-
-	INIT_LIST_HEAD(&devinfo->rx_freeq);
-	INIT_LIST_HEAD(&devinfo->rx_postq);
-
-	INIT_LIST_HEAD(&devinfo->tx_freeq);
-	INIT_LIST_HEAD(&devinfo->tx_postq);
-
-	devinfo->tx_flowblock = false;
-
-	devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq);
-	if (!devinfo->rx_reqs)
-		goto error;
-
-	devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
-	if (!devinfo->tx_reqs)
-		goto error;
-	devinfo->tx_freecount = ntxq;
-
-	devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (!devinfo->ctl_urb) {
-		brcmf_err("usb_alloc_urb (ctl) failed\n");
-		goto error;
-	}
-	devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (!devinfo->bulk_urb) {
-		brcmf_err("usb_alloc_urb (bulk) failed\n");
-		goto error;
-	}
-
-	return &devinfo->bus_pub;
-
-error:
-	brcmf_err("failed!\n");
-	brcmf_usb_detach(devinfo);
-	return NULL;
-}
-
-static void brcmf_usb_wowl_config(struct device *dev, bool enabled)
-{
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
-
-	brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled);
-	devinfo->wowl_enabled = enabled;
-	if (enabled)
-		device_set_wakeup_enable(devinfo->dev, true);
-	else
-		device_set_wakeup_enable(devinfo->dev, false);
-}
-
-static struct brcmf_bus_ops brcmf_usb_bus_ops = {
-	.txdata = brcmf_usb_tx,
-	.stop = brcmf_usb_down,
-	.txctl = brcmf_usb_tx_ctlpkt,
-	.rxctl = brcmf_usb_rx_ctlpkt,
-	.wowl_config = brcmf_usb_wowl_config,
-};
-
-static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo)
-{
-	int ret;
-
-	/* Attach to the common driver interface */
-	ret = brcmf_attach(devinfo->dev);
-	if (ret) {
-		brcmf_err("brcmf_attach failed\n");
-		return ret;
-	}
-
-	ret = brcmf_usb_up(devinfo->dev);
-	if (ret)
-		goto fail;
-
-	ret = brcmf_bus_start(devinfo->dev);
-	if (ret)
-		goto fail;
-
-	return 0;
-fail:
-	brcmf_detach(devinfo->dev);
-	return ret;
-}
-
-static void brcmf_usb_probe_phase2(struct device *dev,
-				   const struct firmware *fw,
-				   void *nvram, u32 nvlen)
-{
-	struct brcmf_bus *bus = dev_get_drvdata(dev);
-	struct brcmf_usbdev_info *devinfo;
-	int ret;
-
-	brcmf_dbg(USB, "Start fw downloading\n");
-
-	devinfo = bus->bus_priv.usb->devinfo;
-	ret = check_file(fw->data);
-	if (ret < 0) {
-		brcmf_err("invalid firmware\n");
-		release_firmware(fw);
-		goto error;
-	}
-
-	devinfo->image = fw->data;
-	devinfo->image_len = fw->size;
-
-	ret = brcmf_usb_fw_download(devinfo);
-	release_firmware(fw);
-	if (ret)
-		goto error;
-
-	ret = brcmf_usb_bus_setup(devinfo);
-	if (ret)
-		goto error;
-
-	mutex_unlock(&devinfo->dev_init_lock);
-	return;
-error:
-	brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret);
-	mutex_unlock(&devinfo->dev_init_lock);
-	device_release_driver(dev);
-}
-
-static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo)
-{
-	struct brcmf_bus *bus = NULL;
-	struct brcmf_usbdev *bus_pub = NULL;
-	struct device *dev = devinfo->dev;
-	int ret;
-
-	brcmf_dbg(USB, "Enter\n");
-	bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ);
-	if (!bus_pub)
-		return -ENODEV;
-
-	bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
-	if (!bus) {
-		ret = -ENOMEM;
-		goto fail;
-	}
-
-	bus->dev = dev;
-	bus_pub->bus = bus;
-	bus->bus_priv.usb = bus_pub;
-	dev_set_drvdata(dev, bus);
-	bus->ops = &brcmf_usb_bus_ops;
-	bus->proto_type = BRCMF_PROTO_BCDC;
-	bus->always_use_fws_queue = true;
-#ifdef CONFIG_PM
-	bus->wowl_supported = true;
-#endif
-
-	if (!brcmf_usb_dlneeded(devinfo)) {
-		ret = brcmf_usb_bus_setup(devinfo);
-		if (ret)
-			goto fail;
-		/* we are done */
-		mutex_unlock(&devinfo->dev_init_lock);
-		return 0;
-	}
-	bus->chip = bus_pub->devid;
-	bus->chiprev = bus_pub->chiprev;
-
-	/* request firmware here */
-	ret = brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo),
-				     NULL, brcmf_usb_probe_phase2);
-	if (ret) {
-		brcmf_err("firmware request failed: %d\n", ret);
-		goto fail;
-	}
-
-	return 0;
-
-fail:
-	/* Release resources in reverse order */
-	kfree(bus);
-	brcmf_usb_detach(devinfo);
-	return ret;
-}
-
-static void
-brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo)
-{
-	if (!devinfo)
-		return;
-	brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo);
-
-	brcmf_detach(devinfo->dev);
-	kfree(devinfo->bus_pub.bus);
-	brcmf_usb_detach(devinfo);
-}
-
-static int
-brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
-{
-	struct usb_device *usb = interface_to_usbdev(intf);
-	struct brcmf_usbdev_info *devinfo;
-	struct usb_interface_descriptor	*desc;
-	struct usb_endpoint_descriptor *endpoint;
-	int ret = 0;
-	u32 num_of_eps;
-	u8 endpoint_num, ep;
-
-	brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct);
-
-	devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC);
-	if (devinfo == NULL)
-		return -ENOMEM;
-
-	devinfo->usbdev = usb;
-	devinfo->dev = &usb->dev;
-	/* Take an init lock, to protect for disconnect while still loading.
-	 * Necessary because of the asynchronous firmware load construction
-	 */
-	mutex_init(&devinfo->dev_init_lock);
-	mutex_lock(&devinfo->dev_init_lock);
-
-	usb_set_intfdata(intf, devinfo);
-
-	/* Check that the device supports only one configuration */
-	if (usb->descriptor.bNumConfigurations != 1) {
-		brcmf_err("Number of configurations: %d not supported\n",
-			  usb->descriptor.bNumConfigurations);
-		ret = -ENODEV;
-		goto fail;
-	}
-
-	if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) &&
-	    (usb->descriptor.bDeviceClass != USB_CLASS_MISC) &&
-	    (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) {
-		brcmf_err("Device class: 0x%x not supported\n",
-			  usb->descriptor.bDeviceClass);
-		ret = -ENODEV;
-		goto fail;
-	}
-
-	desc = &intf->altsetting[0].desc;
-	if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
-	    (desc->bInterfaceSubClass != 2) ||
-	    (desc->bInterfaceProtocol != 0xff)) {
-		brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n",
-			  desc->bInterfaceNumber, desc->bInterfaceClass,
-			  desc->bInterfaceSubClass, desc->bInterfaceProtocol);
-		ret = -ENODEV;
-		goto fail;
-	}
-
-	num_of_eps = desc->bNumEndpoints;
-	for (ep = 0; ep < num_of_eps; ep++) {
-		endpoint = &intf->altsetting[0].endpoint[ep].desc;
-		endpoint_num = usb_endpoint_num(endpoint);
-		if (!usb_endpoint_xfer_bulk(endpoint))
-			continue;
-		if (usb_endpoint_dir_in(endpoint)) {
-			if (!devinfo->rx_pipe)
-				devinfo->rx_pipe =
-					usb_rcvbulkpipe(usb, endpoint_num);
-		} else {
-			if (!devinfo->tx_pipe)
-				devinfo->tx_pipe =
-					usb_sndbulkpipe(usb, endpoint_num);
-		}
-	}
-	if (devinfo->rx_pipe == 0) {
-		brcmf_err("No RX (in) Bulk EP found\n");
-		ret = -ENODEV;
-		goto fail;
-	}
-	if (devinfo->tx_pipe == 0) {
-		brcmf_err("No TX (out) Bulk EP found\n");
-		ret = -ENODEV;
-		goto fail;
-	}
-
-	devinfo->ifnum = desc->bInterfaceNumber;
-
-	if (usb->speed == USB_SPEED_SUPER)
-		brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n");
-	else if (usb->speed == USB_SPEED_HIGH)
-		brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n");
-	else
-		brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n");
-
-	ret = brcmf_usb_probe_cb(devinfo);
-	if (ret)
-		goto fail;
-
-	/* Success */
-	return 0;
-
-fail:
-	mutex_unlock(&devinfo->dev_init_lock);
-	kfree(devinfo);
-	usb_set_intfdata(intf, NULL);
-	return ret;
-}
-
-static void
-brcmf_usb_disconnect(struct usb_interface *intf)
-{
-	struct brcmf_usbdev_info *devinfo;
-
-	brcmf_dbg(USB, "Enter\n");
-	devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf);
-
-	if (devinfo) {
-		mutex_lock(&devinfo->dev_init_lock);
-		/* Make sure that devinfo still exists. Firmware probe routines
-		 * may have released the device and cleared the intfdata.
-		 */
-		if (!usb_get_intfdata(intf))
-			goto done;
-
-		brcmf_usb_disconnect_cb(devinfo);
-		kfree(devinfo);
-	}
-done:
-	brcmf_dbg(USB, "Exit\n");
-}
-
-/*
- * only need to signal the bus being down and update the state.
- */
-static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state)
-{
-	struct usb_device *usb = interface_to_usbdev(intf);
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP;
-	if (devinfo->wowl_enabled)
-		brcmf_cancel_all_urbs(devinfo);
-	else
-		brcmf_detach(&usb->dev);
-	return 0;
-}
-
-/*
- * (re-) start the bus.
- */
-static int brcmf_usb_resume(struct usb_interface *intf)
-{
-	struct usb_device *usb = interface_to_usbdev(intf);
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
-
-	brcmf_dbg(USB, "Enter\n");
-	if (!devinfo->wowl_enabled)
-		return brcmf_usb_bus_setup(devinfo);
-
-	devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP;
-	brcmf_usb_rx_fill_all(devinfo);
-	return 0;
-}
-
-static int brcmf_usb_reset_resume(struct usb_interface *intf)
-{
-	struct usb_device *usb = interface_to_usbdev(intf);
-	struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
-
-	brcmf_dbg(USB, "Enter\n");
-
-	return brcmf_fw_get_firmwares(&usb->dev, 0,
-				      brcmf_usb_get_fwname(devinfo), NULL,
-				      brcmf_usb_probe_phase2);
-}
-
-#define BRCMF_USB_DEVICE(dev_id)	\
-	{ USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) }
-
-static struct usb_device_id brcmf_usb_devid_table[] = {
-	BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID),
-	BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID),
-	BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID),
-	BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID),
-	/* special entry for device with firmware loaded and running */
-	BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID),
-	{ /* end: all zeroes */ }
-};
-
-MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table);
-/*(DEBLOBBED)*/
-
-static struct usb_driver brcmf_usbdrvr = {
-	.name = KBUILD_MODNAME,
-	.probe = brcmf_usb_probe,
-	.disconnect = brcmf_usb_disconnect,
-	.id_table = brcmf_usb_devid_table,
-	.suspend = brcmf_usb_suspend,
-	.resume = brcmf_usb_resume,
-	.reset_resume = brcmf_usb_reset_resume,
-	.supports_autosuspend = 1,
-	.disable_hub_initiated_lpm = 1,
-};
-
-static int brcmf_usb_reset_device(struct device *dev, void *notused)
-{
-	/* device past is the usb interface so we
-	 * need to use parent here.
-	 */
-	brcmf_dev_reset(dev->parent);
-	return 0;
-}
-
-void brcmf_usb_exit(void)
-{
-	struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver;
-	int ret;
-
-	brcmf_dbg(USB, "Enter\n");
-	ret = driver_for_each_device(drv, NULL, NULL,
-				     brcmf_usb_reset_device);
-	usb_deregister(&brcmf_usbdrvr);
-}
-
-void brcmf_usb_register(void)
-{
-	brcmf_dbg(USB, "Enter\n");
-	usb_register(&brcmf_usbdrvr);
-}