linux-kernel - Re: [linux-pm] wacom + runtime PM = AA deadlock

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Message-ID: <20100914005209.GB27540@core.coreip.homeip.net>
Date:	Mon, 13 Sep 2010 17:52:10 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-pm@...ts.linux-foundation.org, pingc@...om.com,
	Jiri Slaby <jslaby@...e.cz>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org
Subject: Re: [linux-pm] wacom + runtime PM = AA deadlock

On Mon, Sep 13, 2010 at 09:20:23PM +0200, Oliver Neukum wrote:
> Am Montag, 13. September 2010, 19:10:47 schrieb Dmitry Torokhov:
> 
> > I think this introduces significant change in behavior though - before
> > we did not do usb_autopm_put_interface() on successful open, basically
> > disabling autopm facilities, right?
> 
> Right. Which makes no sense at all. You'd better remove anything related
> to runtime PM and not set supports_autosuspend for that.
> 

That not what I meant, I do not want to remove autopm, it's just it was
effectively disabled and if we fix it we might start getting some
regression reports ;)

-- 
Dmitry
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