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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2009-06-16 17:17:27 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-07-10 14:57:52 -0400
commita33e9e7f35ef6dcab528e0327f29188475f60691 (patch)
treeb49fbe81598cd21fbc1437318f6f525a0e828767 /drivers/net/usb/usbnet.c
parentd75ec2b7ec27fd6cdba78492fbd63bee4d091a87 (diff)
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 <jussi.kivilinna@mbnet.fi> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c14
1 files changed, 14 insertions, 0 deletions
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;