linux-kernel - Re: [RFC][PATCH 4/4] PM: Permit registrarion of parentless devices during system suspend

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Message-ID: <Pine.LNX.4.44L0.1012151546320.2171-100000@iolanthe.rowland.org>
Date:	Wed, 15 Dec 2010 15:58:38 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [RFC][PATCH 4/4] PM: Permit registrarion of parentless devices
 during system suspend

On Wed, 15 Dec 2010, Rafael J. Wysocki wrote:

> > You could clear in_suspend at the start of device_resume.
> 
> The patch below (replacing [3/4]) does that (the second clearing is for
> devices whose ->suspend() methods have not been called, which can happen if
> there's a suspend error).
> 
> I hope the USB part is still valid?

It is.  Although now that I look at it, the third USB test is (and has
always been) totally wrong.  It should be removed completely.  I'll do 
that separately; for now your update won't affect the way it works.

Alan Stern

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