usbnet: Set link down initially for drivers that update link state
Some usbnet drivers update link state while others do not due to
hardware limitations. Add a flag to distinguish those that do, and
set the link down initially for their devices.
This is intended to fix this bug: http://bugs.debian.org/444043
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 86c31b7..8c84881 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -92,6 +92,7 @@
#define FLAG_SEND_ZLP 0x0200 /* hw requires ZLPs are sent */
#define FLAG_WWAN 0x0400 /* use "wwan%d" names */
+#define FLAG_LINK_INTR 0x0800 /* updates link (carrier) status */
/* init device ... can sleep, or cause probe() failure */
int (*bind)(struct usbnet *, struct usb_interface *);