linux-kernel - Re: [PATCH v3] dmi: Make dmi_walk and dmi_walk

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Date:	Tue, 2 Feb 2016 09:00:29 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Jean Delvare <jdelvare@...e.de>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Andy Lutomirski <luto@...nel.org>,
	Pali Rohár <pali.rohar@...il.com>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dmi: Make dmi_walk and dmi_walk_early return real
 error codes

On Sat, Jan 30, 2016 at 08:18:50PM +0100, Jean Delvare wrote:
> On Sat, 30 Jan 2016 10:13:09 -0800, Andy Lutomirski wrote:
> > On Sat, Jan 30, 2016 at 10:05 AM, Darren Hart <dvhart@...radead.org> wrote:
> > > If I understand this correctly, this is the first of 5 patches, and this one has
> > > some unanswered questions from Jean here. If this patch gets respun, the
> > > following are also impacted:
> > >
> > > dell-wmi: Stop storing pointers to DMI tables
> > > dell-wmi, dell-laptop: select DMI
> > > dell-wmi: Clean up hotkey table size check
> > > dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)
> > >
> > > Is that correct?
> > 
> > Not really.  It's just the three patches here:
> > 
> > http://article.gmane.org/gmane.linux.drivers.platform.x86.devel/8503
> > 
> > This patch (the dmi_walk error code one) is no longer really related.
> > Due to Jean's earlier comment about what happens if DMI isn't enabled
> > at all, I no longer propagate the error code from dmi_walk in
> > dell-wmi, so the error code won't have any effect.  (Instead I just
> > warn and let the driver load in legacy mode, which matches the current
> > behavior.)
> > 
> > I think the way to go is for the v3 "dell-wmi: DMI misuse fixes"
> > series to go in through your tree, and I'll hash out the error code
> > thing separately with Jean.
> > 
> > Does that seem sensible?
> 
> Yes, I agree that this patch is independent from the dell-wmi patch
> series now.

Excellent, works for me.

-- 
Darren Hart
Intel Open Source Technology Center