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usbnet: mcs7830: apply introduced usb command APIs
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Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ming Lei authored and David S. Miller committed Oct 26, 2012
1 parent 3898cdf commit 9c06a2b
Showing 1 changed file with 6 additions and 79 deletions.
85 changes: 6 additions & 79 deletions drivers/net/usb/mcs7830.c
Original file line number Diff line number Diff line change
Expand Up @@ -124,93 +124,20 @@ static const char driver_name[] = "MOSCHIP usb-ethernet driver";

static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data)
{
struct usb_device *xdev = dev->udev;
int ret;
void *buffer;

buffer = kmalloc(size, GFP_NOIO);
if (buffer == NULL)
return -ENOMEM;

ret = usb_control_msg(xdev, usb_rcvctrlpipe(xdev, 0), MCS7830_RD_BREQ,
MCS7830_RD_BMREQ, 0x0000, index, buffer,
size, MCS7830_CTRL_TIMEOUT);
memcpy(data, buffer, size);
kfree(buffer);

return ret;
return usbnet_read_cmd(dev, MCS7830_RD_BREQ, MCS7830_RD_BMREQ,
0x0000, index, data, size);
}

static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, const void *data)
{
struct usb_device *xdev = dev->udev;
int ret;
void *buffer;

buffer = kmemdup(data, size, GFP_NOIO);
if (buffer == NULL)
return -ENOMEM;

ret = usb_control_msg(xdev, usb_sndctrlpipe(xdev, 0), MCS7830_WR_BREQ,
MCS7830_WR_BMREQ, 0x0000, index, buffer,
size, MCS7830_CTRL_TIMEOUT);
kfree(buffer);
return ret;
}

static void mcs7830_async_cmd_callback(struct urb *urb)
{
struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
int status = urb->status;

if (status < 0)
printk(KERN_DEBUG "%s() failed with %d\n",
__func__, status);

kfree(req);
usb_free_urb(urb);
return usbnet_write_cmd(dev, MCS7830_WR_BREQ, MCS7830_WR_BMREQ,
0x0000, index, data, size);
}

static void mcs7830_set_reg_async(struct usbnet *dev, u16 index, u16 size, void *data)
{
struct usb_ctrlrequest *req;
int ret;
struct urb *urb;

urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
dev_dbg(&dev->udev->dev,
"Error allocating URB in write_cmd_async!\n");
return;
}

req = kmalloc(sizeof *req, GFP_ATOMIC);
if (!req) {
dev_err(&dev->udev->dev,
"Failed to allocate memory for control request\n");
goto out;
}
req->bRequestType = MCS7830_WR_BMREQ;
req->bRequest = MCS7830_WR_BREQ;
req->wValue = 0;
req->wIndex = cpu_to_le16(index);
req->wLength = cpu_to_le16(size);

usb_fill_control_urb(urb, dev->udev,
usb_sndctrlpipe(dev->udev, 0),
(void *)req, data, size,
mcs7830_async_cmd_callback, req);

ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret < 0) {
dev_err(&dev->udev->dev,
"Error submitting the control message: ret=%d\n", ret);
goto out;
}
return;
out:
kfree(req);
usb_free_urb(urb);
usbnet_write_cmd_async(dev, MCS7830_WR_BREQ, MCS7830_WR_BMREQ,
0x0000, index, data, size);
}

static int mcs7830_hif_get_mac_address(struct usbnet *dev, unsigned char *addr)
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