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usbnet: net1080: apply introduced usb command APIs 

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 19:47:00 +00:00 committed by David S. Miller
parent 9c06a2b582
commit 5ffbe4daa8
1 changed files with 30 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

110
drivers/net/usb/net1080.c
View File

@ -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,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, regnum,
NULL, 0, // data is in setup packet
USB_CTRL_SET_TIMEOUT);
usbnet_write_cmd(dev, req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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;
@ -355,59 +342,22 @@ 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;
if (++dev->frame_errors <= 5)
return;
/* Send a flush */
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return;
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 = kmalloc(sizeof *req, GFP_ATOMIC);
if (!req) {
usb_free_urb(urb);
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;
}
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)