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usbnet: allow "minidriver" to prevent urb unlinking on usbnet_stop

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rndis_wlan devices freeze after running usbnet_stop several times. It appears
that firmware freezes in state where it does not respond to any RNDIS commands
and device have to be physically unplugged/replugged. This patch lets
minidrivers to disable unlink_urbs on usbnet_stop through new info flag.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jussi Kivilinna 2009-07-30 19:41:20 +03:00 • committed by John W. Linville
commit 1487cd5e76
3 changed files with 25 additions and 17 deletions
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1
include/linux/usb/usbnet.h
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@ -86,6 +86,7 @@ struct driver_info {
#define FLAG_FRAMING_AX 0x0040 /* AX88772/178 packets */
#define FLAG_WLAN 0x0080 /* use "wlan%d" names */
#define FLAG_AVOID_UNLINK_URBS 0x0100 /* don't unlink urbs at usbnet_stop() */
/* init device ... can sleep, or cause probe() failure */