Re: [PATCH 2/2] USB: update last_busy time after autosuspend fails

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On Thu, Nov 03, 2011 at 11:47:34PM +0100, Rafael J. Wysocki wrote:
> On Thursday, November 03, 2011, Alan Stern wrote:
> > Originally, the runtime PM core would send an idle notification
> > whenever a suspend attempt failed.  The idle callback routine could
> > then schedule a delayed suspend for some time later.
> > 
> > However this behavior was changed by commit
> > f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
> > notification after failing suspend).  No notifications were sent, and
> > there was no clear mechanism to retry failed suspends.
> > 
> > This caused problems for the usbhid driver, because it fails
> > autosuspend attempts as long as a key is being held down.  A companion
> > patch changes the PM core's behavior, but we also need to change the
> > USB core.  In particular, this patch (as1493) updates the device's
> > last_busy time when an autosuspend fails, so that the PM core will
> > retry the autosuspend in the future when the delay time expires
> > again.
> > 
> > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> > Tested-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> > CC: <stable@xxxxxxxxxx>
> 
> Greg, are you going to take this one or do you want me to do that?

oops, as you took patch 1/2, might as well take this one as well:
	Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx>


thanks,

greg k-h
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