Re: [PATCH 1/2] cpufreq: dt-platdev: Automatically create cpufreq device with OPP v2
From: Chen-Yu Tsai
Date: Wed Aug 16 2017 - 04:49:42 EST
On Wed, Aug 16, 2017 at 1:37 PM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> The initial idea of creating the cpufreq-dt-platdev.c file was to keep a
> list of platforms that use the "operating-points" (V1) bindings and
> create cpufreq device for them only, as we weren't sure which platforms
> would want the device to get created automatically as some had their own
> cpufreq drivers as well, or wanted to initialize cpufreq after doing
> some stuff from platform code.
>
> But that wasn't the case with platforms using "operating-points-v2"
> property. We wanted the device to get created automatically without the
> need of adding them to the whitelist. Though, we will still have some
> exceptions where we don't want to create the device automatically.
>
> Rename the earlier platform list as *whitelist* and create a new
> *blacklist* as well.
>
> The cpufreq-dt device will get created if:
> - The platform is there in the whitelist OR
> - The platform has "operating-points-v2" property in CPU0's DT node and
> isn't part of the blacklist .
>
> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Does this mean "cpufreq: dt: Add support for some new Allwinner SoCs",
or any other patch adding new SoCs to the list, isn't needed anymore?
ChenYu