[PATCH v3 09/10] DT: QCOM: Add cpufreq-dt to msm8996

[Stephen Boyd]

Quoting ilialin at codeaurora.org (2018-03-20 06:46:19)
> > From: Stephen Boyd <sboyd at kernel.org>
> > Quoting Ilia Lin (2018-02-14 05:59:51)
> > > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c
> > > b/drivers/cpufreq/cpufreq-dt-platdev.c
> > > index 3b585e4..b6cd0ae 100644
> > > --- a/drivers/cpufreq/cpufreq-dt-platdev.c
> > > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
> > > @@ -95,6 +95,9 @@
> > >         { .compatible = "xlnx,zynq-7000", },
> > >         { .compatible = "xlnx,zynqmp", },
> > >
> > > +       { .compatible = "qcom,msm8996", },
> > > +       { .compatible = "qcom,apq8096", },
> > > +
> > 
> > Why can't we base it on the kryocc node being present?
> This could be good idea, if I would writing a platform specific cpufreq driver, which may be a future option.

Well maybe cpufreq-dt can also look at the cpus nodes for a cpu with a
certain type (in this case kryo). Then we can add cpufreq dt based on
that CPU node being there.

> > Or even populate
> > the cpufreq-dt from the kryocc driver?
> There is a problem that during the clock probe the OPP table still doesn't exist. 

The OPP table is in DT? Why doesn't it exist?