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

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Message-Id: <201009132120.23372.oliver@neukum.org>
Date:	Mon, 13 Sep 2010 21:20:23 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	linux-pm@...ts.linux-foundation.org
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>, 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

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.

	Regards
		Oliver
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