linux-kernel - Re: [Bug #14730] sky2 won't work after suspend/resume cycle

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Message-Id: <200912300040.15773.rjw@sisk.pl>
Date:	Wed, 30 Dec 2009 00:40:15 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"Maciej J. Woloszyk" <mat@....com.pl>
Subject: Re: [Bug #14730] sky2 won't work after suspend/resume cycle

On Wednesday 30 December 2009, OGAWA Hirofumi wrote:
> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> 
> >> Well, anyway, another likely one is - restore() should be called after
> >> pci_pm_default_resume()?
> >
> > No, because we want the PCI standard config spaces to be restored before
> > the device interrupts are enabled to avoid intermittent resume failures related
> > to interrupt mishandling.
> >
> > That's why it is important to understand the nature of the sky2 failure here.
> 
> Um..., it was 0xff, so, I thought the config space is not working.  On
> that system, the device is not affected by acpi's _DSW or _PSW?

I don't think it is, but of course I'm not sure.

Rafael
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