From a33e9e7f35ef6dcab528e0327f29188475f60691 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Tue, 16 Jun 2009 17:17:27 +0300 Subject: usbnet: Add stop function pointer to 'struct rndis_data'. Allow minidriver to know that netdev has stopped. This is to let wireless turn off radio when usbnet dev is stopped. Signed-off-by: Jussi Kivilinna Acked-by: David Brownell Acked-by: David S. Miller Signed-off-by: John W. Linville --- drivers/net/usb/usbnet.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index edfd9e10ceba..25e435c49040 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; -- cgit v1.2.3-59-g8ed1b