diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/usb/cdc_subset.c | 27 | ||||
| -rw-r--r-- | drivers/net/usb/usbnet.c | 8 |
2 files changed, 33 insertions, 2 deletions
diff --git a/drivers/net/usb/cdc_subset.c b/drivers/net/usb/cdc_subset.c index 91f0919fe27..3ef411efd86 100644 --- a/drivers/net/usb/cdc_subset.c +++ b/drivers/net/usb/cdc_subset.c @@ -85,9 +85,34 @@ static int always_connected (struct usbnet *dev) * *-------------------------------------------------------------------------*/ +static void m5632_recover(struct usbnet *dev) +{ + struct usb_device *udev = dev->udev; + struct usb_interface *intf = dev->intf; + int r; + + r = usb_lock_device_for_reset(udev, intf); + if (r < 0) + return; + + usb_reset_device(udev); + usb_unlock_device(udev); +} + +static int dummy_prereset(struct usb_interface *intf) +{ + return 0; +} + +static int dummy_postreset(struct usb_interface *intf) +{ + return 0; +} + static const struct driver_info ali_m5632_info = { .description = "ALi M5632", .flags = FLAG_POINTTOPOINT, + .recover = m5632_recover, }; #endif @@ -332,6 +357,8 @@ static struct usb_driver cdc_subset_driver = { .probe = usbnet_probe, .suspend = usbnet_suspend, .resume = usbnet_resume, + .pre_reset = dummy_prereset, + .post_reset = dummy_postreset, .disconnect = usbnet_disconnect, .id_table = products, .disable_hub_initiated_lpm = 1, diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index f9e96c42755..5173821a957 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1218,8 +1218,12 @@ void usbnet_tx_timeout (struct net_device *net) unlink_urbs (dev, &dev->txq); tasklet_schedule (&dev->bh); - - // FIXME: device recovery -- reset? + /* this needs to be handled individually because the generic layer + * doesn't know what is sufficient and could not restore private + * information if a remedy of an unconditional reset were used. + */ + if (dev->driver_info->recover) + (dev->driver_info->recover)(dev); } EXPORT_SYMBOL_GPL(usbnet_tx_timeout); |