linux-kernel - Re: [PATCH 3/3] Sound (HDA Intel): Restore PCI configuration space with interrupts off

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Message-ID: <s5htz9bgpgl.wl%tiwai@suse.de>
Date:	Thu, 11 Dec 2008 08:07:06 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg KH <greg@...ah.com>, Ingo Molnar <mingo@...e.hu>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [PATCH 3/3] Sound (HDA Intel): Restore PCI configuration space with interrupts off

At Sun, 07 Dec 2008 10:47:56 +0100,
I wrote:
> 
> At Sat, 6 Dec 2008 20:45:35 -0800,
> Jesse Barnes wrote:
> > 
> > On Saturday, December 6, 2008 6:09 am Rafael J. Wysocki wrote:
> > > From: Rafael J. Wysocki <rjw@...k.pl>
> > > Subject: Sound (HDA Intel): Restore PCI configuration space with interrupts
> > > off
> > >
> > > Move the restoration of the standard PCI configuration registers
> > > in the snd_hda_intel driver to a ->resume_early() callback executed
> > > with interrupts disabled, since doing that with interrupts enabled
> > > may lead to problems in some cases.
> > >
> > > This patch addresses the regression from 2.6.26 tracked as
> > > http://bugzilla.kernel.org/show_bug.cgi?id=12121 .
> > 
> > Since I only applied 1 and 2 you'll need to send this one through Takashi.
> 
> OK, I merged it to for-next branch now.
> It should appear in the linux-next tree of tomorrow.

There is no build errors at least on linux-next, but I guess the
testing about PM has been rarely done on linux-next kernel...

BTW, Rafael, is this particular patch (against hda_intel.c) works in
general or dependent on other two patches?


thanks,

Takashi
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