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usbnet: asix: 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>
This commit is contained in:
Ming Lei 2012-10-24 19:46:55 +00:00 committed by David S. Miller
parent 877bd862f3
commit 0bc69efb91
1 changed files with 13 additions and 104 deletions
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117
drivers/net/usb/asix_common.c
View File

@ -25,121 +25,30 @@
int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
void *buf;
int err = -ENOMEM;
int ret;
ret = usbnet_read_cmd(dev, cmd,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, data, size);
netdev_dbg(dev->net, "asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
cmd, value, index, size);
buf = kmalloc(size, GFP_KERNEL);
if (!buf)
goto out;
err = usb_control_msg(
dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
cmd,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
buf,
size,
USB_CTRL_GET_TIMEOUT);
if (err == size)
memcpy(data, buf, size);
else if (err >= 0)
err = -EINVAL;
kfree(buf);
out:
return err;
if (ret != size && ret >= 0)
return -EINVAL;
return ret;
}
int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
void *buf = NULL;
int err = -ENOMEM;
netdev_dbg(dev->net, "asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
cmd, value, index, size);
if (data) {
buf = kmemdup(data, size, GFP_KERNEL);
if (!buf)
goto out;
}
err = usb_control_msg(
dev->udev,
usb_sndctrlpipe(dev->udev, 0),
cmd,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
buf,
size,
USB_CTRL_SET_TIMEOUT);
kfree(buf);
out:
return err;
}
static void asix_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 "asix_async_cmd_callback() failed with %d",
status);
kfree(req);
usb_free_urb(urb);
return usbnet_write_cmd(dev, cmd,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, data, size);
}
void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
struct usb_ctrlrequest *req;
int status;
struct urb *urb;
netdev_dbg(dev->net, "asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
cmd, value, index, size);
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
netdev_err(dev->net, "Error allocating URB in write_cmd_async!\n");
return;
}
req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (!req) {
netdev_err(dev->net, "Failed to allocate memory for control request\n");
usb_free_urb(urb);
return;
}
req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
req->bRequest = cmd;
req->wValue = cpu_to_le16(value);
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,
asix_async_cmd_callback, req);
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status < 0) {
netdev_err(dev->net, "Error submitting the control message: status=%d\n",
status);
kfree(req);
usb_free_urb(urb);
}
usbnet_write_cmd_async(dev, cmd,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, data, size);
}
int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)