linux-kernel - Re: What should PCI core do during suspend-resume? (was: Re: 2.6.29-rc3: tg3 dead after resume)

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Message-ID: <20090207092131.GG1411@ucw.cz>
Date:	Sat, 7 Feb 2009 10:21:31 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Parag Warudkar <parag.lkml@...il.com>,
	Matt Carlson <mcarlson@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: What should PCI core do during suspend-resume? (was: Re:
	2.6.29-rc3: tg3 dead after resume)

Hi!

> What about devices with no drivers and/or without suspend/resume support?
> Do you want them to be disabled during suspend and enabled during resume by
> the core?  [I guess you do, they have no interrupt handlers that may break
> after all.]

Device with driver but with no suspend/resume support can still use
interrupts. But I don't think there's much we can do in that
case... except perhaps failing the suspend.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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