[PATCH v8 0/3] Add of_regulator_get_optional() and Fix MTK Power Domain Driver

[Chen-Yu Tsai]

On Thu, Sep 26, 2024 at 11:49 PM Ulf Hansson <ulf.hansson at linaro.org> wrote:
>
> On Wed, 25 Sept 2024 at 11:38, Chen-Yu Tsai <wenst at chromium.org> wrote:
> >
> > Hi folks,
> >
> > This series is split off from my "DT hardware prober" series [1].
> >
> > Changes since v7:
> > - Added stub versions for of_regulator_get_optional() for !CONFIG_OF
> >   and !CONFIG_REGULATOR
> > - Added new patches for devres version and converting MTK pmdomain
> >   driver
> >
> > At ELCE, Sebastian told me about his recent work on adding regulator
> > supply support to the Rockchip power domain driver [2], how the MediaTek
> > driver has been using the existing devm_regulator_get() API and
> > reassigning different device nodes to the device doing the lookup, and
> > how the new of_regulator_get_optional() is the proper fit for this.
> >
> > Patch 1 adds a new of_regulator_get_optional() function to look up
> > regulator supplies using device tree nodes.
> >
> > Patch 2 adds a devres version of the aforementioned function at
> > Sebastian's request for the two power domain drivers.
> >
> > Patch 3 converts the MediaTek power domain driver to use function.
> >
> >
> > Each of the latter two patches depend on the previous one at build time.
> > Mark, would it be possible for you to put the two regulator patches
> > on an immutable branch / tag? Otherwise we could have Ulf ack the
> > pmdomain patch and merge it through your tree. Sebastian was fine
> > with converting the rockchip pmdomain some time later.
>
> Thanks for providing some context!
>
> In my opinion I would prefer an immutable branch/tag of the regulator
> core changes, so I can carry the pmdomain changes for MTK through my
> pmdomain tree, but also because I would prefer if Sebastian could make
> the corresponding conversion for the Rockchip pmdomain driver. If this
> can get queued soon, there is really no need to have an intermediate
> step for Rockchip, I think.
>
> Does it make sense - or do you prefer another way forward?

Makes sense to me!

ChenYu