linux-kernel - Re: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500 (bisected)

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Date:	Fri, 5 Dec 2008 13:00:16 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Frans Pop <elendil@...net.nl>, Greg KH <greg@...ah.com>,
	Ingo Molnar <mingo@...e.hu>, jbarnes@...tuousgeek.org,
	lenb@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	tiwai@...e.de, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500 (bisected)

On Friday, 5 of December 2008, Linus Torvalds wrote:
> 
> On Thu, 4 Dec 2008, Linus Torvalds wrote:
> > 
> > Ok, the ICH6 LPC side has something similar, but not the same. Just two 
> > ranges, and slightly less flexible wrt sizing.
> > 
> > And ICH8/9/10 seems to have the same thing as ICH7.
> 
> Here's a patch that implements what I think is the correct quirks (apart 
> from the commented ICH6 lazy detail I didn't do).
> 
> It would be very interesting to see if people affected get any printouts 
> about IO decodes that don't show up in /proc/ioports...

>From my box:

pci 0000:00:1f.0: quirk: region d800-d87f claimed by ICH6 ACPI/GP IO/TCO
pci 0000:00:1f.0: quirk: region eec0-eeff claimed by ICH6 GPIO
pci 0000:00:1f.0: ICH7 LPC Generic IO decode 1 PIO at 0680 (mask 007f)
pci 0000:00:1f.0: ICH7 LPC Generic IO decode 4 PIO at 01e0 (mask 000f)

The second one shows up in /proc/ioports as "01e0-01ef : pnp 00:09", but the
first one (at 680) doesn't.

Thanks,
Rafael
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