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

Viresh Kumar viresh.kumar at linaro.org
Mon Nov 9 05:53:20 UTC 2020


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 ?

-- 
viresh


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