From mboxrd@z Thu Jan  1 00:00:00 1970
From: Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: Re: [RFC V7 2/2] OPP: Allow "opp-hz" and "opp-microvolt" to contain
 magic values
Date: Thu, 2 Nov 2017 10:19:23 +0530
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To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Kevin Hilman <khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Viresh Kumar <vireshk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Rafael Wysocki <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>, "linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Vincent Guittot <vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Rajendra Nayak <rnayak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>, "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
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On 01-11-17, 15:39, Rob Herring wrote:
> On Tue, Oct 31, 2017 at 9:17 PM, Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> > On 31 October 2017 at 16:02, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> >> Why not a new property for magic values? opp-magic? Don't we want to
> >> know when we have magic values?
> >
> > I have kept a separate property since beginning (domain-performance-state)
> > and moved to using these magic values in the existing field because of the
> > suggestion Kevin gave earlier.
> >
> > https://marc.info/?l=linux-kernel&m=149306082218001&w=2
> >
> > I am not sure what to do now :)
> 
> Okay, I guess reusing the properties is fine.

Okay, great.

> >> Wouldn't magic values in opp-hz get propagated to user space?
> >
> > The OPP core puts them in debugfs just to know how the OPPs are
> > set. Otherwise, I am not sure that the power domain core/drivers would
> > be exposing that to user space.
> 
> I was thinking thru the cpufreq interface, but I guess this is not for cpus.

Oh no. That's not the target here for sure.

-- 
viresh
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