linux-kernel - Re: S2RAM and PCI quirks

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Date:	Wed, 08 Nov 2006 16:01:51 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: S2RAM and PCI quirks

Ar Mer, 2006-11-08 am 16:48 +0100, ysgrifennodd Arjan van de Ven:
> at the same time I'm not 100% convinced it's ok to always run all quirks
> at resume, for one the difference is that there now is a driver active
> owning the device... Almost sounds like having a per quirk flag stating
> "run at resume" is needed ;-(

We probably need a quirk class for resume in this situation. The kind of
things that worry me if we are not doing the quirk handling, and what I
suspect happened in the case I looked at are that chipset bug
workarounds did not get restored, and in this case the older VIA chipset
involved then corrupted DMA streams and trashed the users disk.

> (also I think the quirks are currently __init but that's relatively easy
> to fix)

Some are yes, but not others.

Alan

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