netdev - Re: [PATCH] iwlwifi: pcie: reduce "unsupported splx" to a warning

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Message-ID: <1476275099.7776.28.camel@coelho.fi>
Date:   Wed, 12 Oct 2016 15:24:59 +0300
From:   Luca Coelho <luca@...lho.fi>
To:     Chris Rorvick <chris@...vick.com>, Paul Bolle <pebolle@...cali.nl>
Cc:     Intel Linux Wireless <linuxwifi@...el.com>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Oren Givon <oren.givon@...el.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iwlwifi: pcie: reduce "unsupported splx" to a warning

On Tue, 2016-10-11 at 23:32 -0500, Chris Rorvick wrote:
> On Tue, Oct 11, 2016 at 5:11 AM, Paul Bolle <pebolle@...cali.nl> wrote:
> > For what it's worth, on my machine I have twenty (!) SPLX entries, all
> > reading:
> >     Name (SPLX, Package (0x04)
> >     {
> >         Zero,
> >         Package (0x03)
> >         {
> >             0x80000000,
> >             0x80000000,
> >             0x80000000
> >         },
> > 
> >         Package (0x03)
> >         {
> >            0x80000000,
> >            0x80000000,
> >            0x80000000
> >         },
> > 
> >         Package (0x03)
> >         {
> >             0x80000000,
> >             0x80000000,
> >             0x80000000
> >         }
> >     })
> 
> 
> I actually see exactly the same on my Dell XPS 13 (9350) when I  use
> acpidump, etc.  I typed the entry I included in the commit log by hand
> based on what the driver gets back from the SPLC method (I added a
> function to dump the returned object.)

Okay... Actually this is a structure in the BIOS and the actual method
we call is SPLC.  The SPLC method may return one item from this table,
or something entirely different, possible one of the three values
depending on a configuration option or so.

Can you to find and send me the actual SPLC method that we call, from
your BIOS?

--
Cheers,
Luca.