Re: [PATCH v1 17/30] mmc: sdhci-tegra: Support OPP and core voltage scaling

Frank Lee
2020-11-09T11:21:06Z

On Mon, Nov 9, 2020 at 1:53 PM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 09-11-20, 08:44, Dmitry Osipenko wrote:
> > 09.11.2020 08:35, Viresh Kumar пишет:
> > > On 09-11-20, 08:19, Dmitry Osipenko wrote:
> > >> Thanks, I made it in a different way by simply adding helpers to the
> > >> pm_opp.h which use devm_add_action_or_reset(). This doesn't require to
> > >> add new kernel symbols.
> > >
> > > I will prefer to add it in core.c itself, and yes
> > > devm_add_action_or_reset() looks better. But I am still not sure for
> > > which helpers do we need the devm_*() variants, as this is only useful
> > > for non-CPU devices. But if we have users that we can add right now,
> > > why not.
> >
> > All current non-CPU drivers (devfreq, mmc, memory, etc) can benefit from it.
> >
> > For Tegra drivers we need these variants:
> >
> > devm_pm_opp_set_supported_hw()
> > devm_pm_opp_set_regulators() [if we won't use GENPD]
> > devm_pm_opp_set_clkname()
> > devm_pm_opp_of_add_table()
>
> I tried to look earlier for the stuff already merged in and didn't
> find a lot of stuff where the devm_* could be used, maybe I missed
> some of it.
>
> Frank, would you like to refresh your series based on suggestions from
> Dmitry and make other drivers adapt to the new APIs ?

I am glad to do this.：）

Yangtao