linux-kernel - Re: Some sort corruption of my Thermal Subsystem after suspend to ram

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Message-ID: <20080501125348.GA19922@srcf.ucam.org>
Date:	Thu, 1 May 2008 13:53:48 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Len Brown <lenb@...nel.org>
Cc:	Gabriel C <nix.or.die@...glemail.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-pm@...ts.linux-foundation.org, pavel@...e.cz,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Some sort corruption of my Thermal Subsystem after suspend to ram

On Thu, May 01, 2008 at 01:57:58AM -0400, Len Brown wrote:

> I'm not aware of a native Linux device driver that talks to this device
> (nor can I think of a useful purpose for such a driver)
> So it seems what is in play here is any BIOS code that talks to this device,
> and Linux's standard PCI config space restore.

Perhaps we should be more aggressive about restoring PCI config space if 
there's no driver bound to a device. The alternative in this case would 
seem to be to write a driver for this device that does nothing other 
than handle suspend/resume.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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