linux-kernel - Re: [PATCH 0/2] opp: core: add regulators enable and disable

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Date:   Thu, 21 May 2020 14:23:00 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     k.konieczny@...sung.com,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>,
        "open list:ALLWINNER CPUFREQ DRIVER" <linux-pm@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Rafael Wysocki <rjw@...ysocki.net>,
        Mark Brown <broonie@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] opp: core: add regulators enable and disable

Hi,

On Fri, 15 May 2020 at 14:00, Clément Péron <peron.clem@...il.com> wrote:
>
> Hi Viresh,
>
> On Fri, 15 May 2020 at 09:57, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> >
> > Hi,
> >
> > This series reintroduces the usage of regulator_enable/disable() to the
> > OPP core after the previous attempt was reverted [1] shortly after getting
> > applied. This time the regulator is enabled only after it is configured
> > by the OPP core.
> >
> > Marek, Kamil and Clément: Can you guys please test this out and report
> > if this doesn't work as expected ?
>
> I have reviewed the patch and it seems fine for my use case.
> Unfortunately I can't test it until next week.

Ok, before the patch the regulator was released by regulator_late_cleanup() :
[   33.756849] vdd-gpu: disabling

Now it works fine and the vdd-gpu is no more disabled.

Tested-by: Clément Péron <peron.clem@...il.com>

Regards,
Clement

>
> Acked-by: Clément Péron <peron.clem@...il.com>
>
> Regards,
> Clement
>
>
> >
> > --
> > viresh
> >
> > [1] https://lore.kernel.org/lkml/20191017102758.8104-1-m.szyprowski@samsung.com/
> >
> > Kamil Konieczny (1):
> >   opp: core: add regulators enable and disable
> >
> > Viresh Kumar (1):
> >   opp: Reorder the code for !target_freq case
> >
> >  drivers/opp/core.c | 39 ++++++++++++++++++++++++++++++++++-----
> >  drivers/opp/opp.h  |  2 ++
> >  2 files changed, 36 insertions(+), 5 deletions(-)
> >
> > --
> > 2.25.0.rc1.19.g042ed3e048af
> >