linux-kernel - Re: [PATCH] ACPI / PCI: Make _SxD/

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Date:	Thu, 12 Jul 2012 05:30:45 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Len Brown <lenb@...nel.org>,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	linux-pci@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
	"Oleksij Rempel (fishor)" <bug-track@...her-privat.net>,
	LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH] ACPI / PCI: Make _SxD/_SxW check follow ACPI 4.0a spec

On Wed, 2012-07-11 at 21:04 +0200, Rafael J. Wysocki wrote:
> On Wednesday, July 11, 2012, Greg KH wrote:
> > On Wed, Jul 11, 2012 at 11:07:56AM +0200, Rafael J. Wysocki wrote:
> > > On Wednesday, July 11, 2012, Greg KH wrote:
> > > > On Sun, Apr 29, 2012 at 10:44:16PM +0200, Rafael J. Wysocki wrote:
> > > > > From: Oleksij Rempel <bug-track@...her-privat.net>
> > > > > 
> > > > > This patch makes _SxD/_SxW check follow the ACPI 4.0a specification
> > > > > more closely and fixes suspend bug found on ASUS Zenbook UX31E.
> > > > > 
> > > > > Some OEM use _SxD fileds do blacklist brocken Dx states.
> > > > > If _SxD/_SxW return values are check before suspend as appropriate,
> > > > > some nasty suspend/resume issues may be avoided.
> > > > > 
> > > > > References: https://bugzilla.kernel.org/show_bug.cgi?id=42728
> > > > > Signed-off-by: Oleksij Rempel <bug-track@...her-privat.net>
> > > > > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> > > > > ---
> > > > > 
> > > > > Bjorn, Len,
> > > > > 
> > > > > This is -stable material and therefore v3.4 as well, IMO.  Please let me
> > > > > know if one of you can take it or whether you want me to handle it all the
> > > > > way to Linus.
> > > > 
> > > > What ever hapened to this patch?
> > > 
> > > It was split and partially merged.  As far as the other part is concerned,
> > > the jury is still out.
> > 
> > Ok, I'll wait for someone to ask for it to be added to the stable tree
> > before I do anything.
> 
> In fact, it should have been marked as -stable material, so please add:
> 
> commit dbe9a2edd17d843d80faf2b99f20a691c1853418
> Author: Rafael J. Wysocki <rjw@...k.pl>
> Date:   Tue May 29 21:21:07 2012 +0200
> 
>     ACPI / PM: Make acpi_pm_device_sleep_state() follow the specification

Queued up for 3.2.y.

Ben.

-- 
Ben Hutchings
The generation of random numbers is too important to be left to chance.
                                                            - Robert Coveyou

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