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>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 86c31b753266..8c84881f8478 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -92,6 +92,7 @@ struct driver_info {
 #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 *);