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SubjectRe: [linux-pm] wacom + runtime PM = AA deadlock
Date
Am Montag, 13. September 2010, 22:02:16 schrieb Alan Stern:
> > > Is there any point in resuming the device during close() just in order
> > > to kill the interrupt URB? It seems counterproductive -- if the device
> > > had been suspended then there wouldn't be any interrupt URB to kill in
> > > the first place.
> >
> > Suppose the device does not support remote wakeup. It would never
> > be autosuspended while it is open, but simply resetting the flag
> > would never reach the PM layer.
>
> Whoops, that's right. I didn't see the assignment to
> needs_remote_wakeup.

Should I have used usb_autopm_get_interface_no_resume()?

Regards
Oliver


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