[cip-dev] [PATCH 62/86] ARM: dts: r8a7745: Add operating-points to cpu0

Ben Hutchings
2018-07-08T19:01:52Z

On Fri, 2018-07-06 at 10:00 +0000, Fabrizio Castro wrote:
> Hello Ben,
>
> Thank you for your feedback.
>
> > Subject: Re: [cip-dev][PATCH 62/86] ARM: dts: r8a7745: Add
> > operating-points to cpu0
> >
> > On Fri, 2018-06-29 at 15:39 +0100, Fabrizio Castro wrote:
> > > shmobile_defconfig builds cpu freq into the kernel by default,
> > > therefore we get error and warning messages at boot, when
> > > hotplugging cpus, and when waking up from suspend to RAM.
> > >
> > > Although the r8a7745 SoC does not support DVFS, defining one
> > > operating point makes cpu freq happy and therefore all of the
> > > nasty messages disappear.
> >
> > Why was this not needed upstream?
>
> Since there is a chance for the OPP to be registered dynamically the
> upstream kernel won't print error messages (only debug messages), as
> opposed to the CIP kernel which will print error messages. Have a
> look at 5b60697cd89cf5a438b2984e11859228e5ec1c6b.
[...]

Then I will cherry-pick that commit instead.

Ben.

--
Ben Hutchings, Software Developer ? Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom