diff options
| -rw-r--r-- | drivers/net/usb/usbnet.c | 14 | ||||
| -rw-r--r-- | include/linux/usb/usbnet.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index edfd9e1..25e435c 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -575,7 +575,9 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs); int usbnet_stop (struct net_device *net) { struct usbnet *dev = netdev_priv(net); + struct driver_info *info = dev->driver_info; int temp; + int retval; DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup); DECLARE_WAITQUEUE (wait, current); @@ -587,6 +589,18 @@ int usbnet_stop (struct net_device *net) net->stats.rx_errors, net->stats.tx_errors ); + /* allow minidriver to stop correctly (wireless devices to turn off + * radio etc) */ + if (info->stop) { + retval = info->stop(dev); + if (retval < 0 && netif_msg_ifdown(dev)) + devinfo(dev, + "stop fail (%d) usbnet usb-%s-%s, %s", + retval, + dev->udev->bus->bus_name, dev->udev->devpath, + info->description); + } + // ensure there are no more active urbs add_wait_queue (&unlink_wakeup, &wait); dev->wait = &unlink_wakeup; diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 310e18a..7c17b2e 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -97,6 +97,9 @@ struct driver_info { /* reset device ... can sleep */ int (*reset)(struct usbnet *); + /* stop device ... can sleep */ + int (*stop)(struct usbnet *); + /* see if peer is connected ... can sleep */ int (*check_connect)(struct usbnet *); |