linux-kernel - Re: [PATCH] iwlwifi: pcie: fix SPLC structure parsing

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Message-ID: <1476380983.3880.33.camel@coelho.fi>
Date:   Thu, 13 Oct 2016 20:49:43 +0300
From:   Luca Coelho <luca@...lho.fi>
To:     Paul Bolle <pebolle@...cali.nl>, linux-wireless@...r.kernel.org,
        chris@...vick.com
Cc:     linuxwifi@...el.com, emmanuel.grumbach@...el.com,
        johannes@...solutions.net, kvalo@...eaurora.org,
        oren.givon@...el.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iwlwifi: pcie: fix SPLC structure parsing

On Thu, 2016-10-13 at 14:55 +0200, Paul Bolle wrote:
> On Thu, 2016-10-13 at 15:44 +0300, Luca Coelho wrote:
> >  Even though there is apparently something wrong with this part of the
> > ACPI table on you laptop, since it doesn't match our specifications.
> >  In any case, it's mostly harmless.
> 
> 
> Would a correct implementation by Dell have any benefits for the users
> of these laptops? In other words: should I bother somehow contacting
> Dell and point them to this discussion in order to have them fix this?

This value provides a way for the OEM to fine tune the power budget of
the device.  This is (usually) used to prevent parts of the platform
from getting too hot.  We have a certain default that is good enough
for most cases.  If Dell didn't want to set proper limits for this
device, it probably means that it is not a concern.  Dell does set
these values correctly for other platforms.

So, I guess it's up to you if you want to clarify this with them.  This
could be some default "blank" values when they don't want to change
them.

--
Luca.