On Monday 29 April 2013 13:33:55 Dan Williams wrote: > Some drivers (sierra_net) need the status interrupt URB > active even when the device is closed, because they receive > custom indications from firmware. Add functions to refcount > the status interrupt URB submit/kill operation so that > sub-drivers and the generic driver don't fight over whether > the status interrupt URB is active or not. > > A sub-driver can call usbnet_status_start() at any time, but > the URB is only submitted the first time the function is > called. Likewise, when the sub-driver is done with the URB, > it calls usbnet_status_stop() but the URB is only killed when > all users have stopped it. The URB is still killed and > re-submitted for suspend/resume, as before, with the same > refcount it had at suspend. > > Signed-off-by: Dan Williams <dcbw@xxxxxxxxxx> Acked-by: Oliver Neukum <oliver@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
