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Commit 5ffbe4da authored by Ming Lei's avatar Ming Lei Committed by David S. Miller
Browse files

usbnet: net1080: apply introduced usb command APIs 



Acked-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarMing Lei <ming.lei@canonical.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9c06a2b5

drivers/net/usb/net1080.c

+30 −80
Original line number Diff line number Diff line
@@ -109,13 +109,11 @@ struct nc_trailer { 
static int

nc_vendor_read(struct usbnet *dev, u8 req, u8 regnum, u16 *retval_ptr)

{

	int status = usb_control_msg(dev->udev,

		usb_rcvctrlpipe(dev->udev, 0),

		req,

		USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,

		0, regnum,

		retval_ptr, sizeof *retval_ptr,

		USB_CTRL_GET_TIMEOUT);

	int status = usbnet_read_cmd(dev, req,

				     USB_DIR_IN | USB_TYPE_VENDOR |

				     USB_RECIP_DEVICE,

				     0, regnum, retval_ptr,

				     sizeof *retval_ptr);

	if (status > 0)

		status = 0;

	if (!status)
@@ -133,13 +131,9 @@ nc_register_read(struct usbnet *dev, u8 regnum, u16 *retval_ptr) 
static void

nc_vendor_write(struct usbnet *dev, u8 req, u8 regnum, u16 value)

{

	usb_control_msg(dev->udev,

		usb_sndctrlpipe(dev->udev, 0),

		req,

	usbnet_write_cmd(dev, req,

			 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,

		value, regnum,

		NULL, 0,			// data is in setup packet

		USB_CTRL_SET_TIMEOUT);

			 value, regnum, NULL, 0);

}



static inline void
@@ -288,37 +282,34 @@ static inline void nc_dump_ttl(struct usbnet *dev, u16 ttl) 
static int net1080_reset(struct usbnet *dev)

{

	u16		usbctl, status, ttl;

	u16		*vp = kmalloc(sizeof (u16), GFP_KERNEL);

	u16		vp;

	int		retval;



	if (!vp)

		return -ENOMEM;



	// nc_dump_registers(dev);



	if ((retval = nc_register_read(dev, REG_STATUS, vp)) < 0) {

	if ((retval = nc_register_read(dev, REG_STATUS, &vp)) < 0) {

		netdev_dbg(dev->net, "can't read %s-%s status: %d\n",

			   dev->udev->bus->bus_name, dev->udev->devpath, retval);

		goto done;

	}

	status = *vp;

	status = vp;

	nc_dump_status(dev, status);



	if ((retval = nc_register_read(dev, REG_USBCTL, vp)) < 0) {

	if ((retval = nc_register_read(dev, REG_USBCTL, &vp)) < 0) {

		netdev_dbg(dev->net, "can't read USBCTL, %d\n", retval);

		goto done;

	}

	usbctl = *vp;

	usbctl = vp;

	nc_dump_usbctl(dev, usbctl);



	nc_register_write(dev, REG_USBCTL,

			USBCTL_FLUSH_THIS | USBCTL_FLUSH_OTHER);



	if ((retval = nc_register_read(dev, REG_TTL, vp)) < 0) {

	if ((retval = nc_register_read(dev, REG_TTL, &vp)) < 0) {

		netdev_dbg(dev->net, "can't read TTL, %d\n", retval);

		goto done;

	}

	ttl = *vp;

	ttl = vp;

	// nc_dump_ttl(dev, ttl);



	nc_register_write(dev, REG_TTL,
@@ -331,7 +322,6 @@ static int net1080_reset(struct usbnet *dev) 
	retval = 0;



done:

	kfree(vp);

	return retval;

}
@@ -339,13 +329,10 @@ static int net1080_check_connect(struct usbnet *dev) 
{

	int			retval;

	u16			status;

	u16			*vp = kmalloc(sizeof (u16), GFP_KERNEL);

	u16			vp;



	if (!vp)

		return -ENOMEM;

	retval = nc_register_read(dev, REG_STATUS, vp);

	status = *vp;

	kfree(vp);

	retval = nc_register_read(dev, REG_STATUS, &vp);

	status = vp;

	if (retval != 0) {

		netdev_dbg(dev->net, "net1080_check_conn read - %d\n", retval);

		return retval;
@@ -355,60 +342,23 @@ static int net1080_check_connect(struct usbnet *dev) 
	return 0;

}



static void nc_flush_complete(struct urb *urb)

{

	kfree(urb->context);

	usb_free_urb(urb);

}



static void nc_ensure_sync(struct usbnet *dev)

{

	dev->frame_errors++;

	if (dev->frame_errors > 5) {

		struct urb		*urb;

		struct usb_ctrlrequest	*req;

		int			status;



		/* Send a flush */

		urb = usb_alloc_urb(0, GFP_ATOMIC);

		if (!urb)

	if (++dev->frame_errors <= 5)

		return;



		req = kmalloc(sizeof *req, GFP_ATOMIC);

		if (!req) {

			usb_free_urb(urb);

	if (usbnet_write_cmd_async(dev, REQUEST_REGISTER,

					USB_DIR_OUT | USB_TYPE_VENDOR |

					USB_RECIP_DEVICE,

					USBCTL_FLUSH_THIS |

					USBCTL_FLUSH_OTHER,

					REG_USBCTL, NULL, 0))

		return;

		}



		req->bRequestType = USB_DIR_OUT

			| USB_TYPE_VENDOR

			| USB_RECIP_DEVICE;

		req->bRequest = REQUEST_REGISTER;

		req->wValue = cpu_to_le16(USBCTL_FLUSH_THIS

				| USBCTL_FLUSH_OTHER);

		req->wIndex = cpu_to_le16(REG_USBCTL);

		req->wLength = cpu_to_le16(0);



		/* queue an async control request, we don't need

		 * to do anything when it finishes except clean up.

		 */

		usb_fill_control_urb(urb, dev->udev,

			usb_sndctrlpipe(dev->udev, 0),

			(unsigned char *) req,

			NULL, 0,

			nc_flush_complete, req);

		status = usb_submit_urb(urb, GFP_ATOMIC);

		if (status) {

			kfree(req);

			usb_free_urb(urb);

			return;

		}



	netif_dbg(dev, rx_err, dev->net,

		  "flush net1080; too many framing errors\n");

	dev->frame_errors = 0;

}

}



static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb)

{