linux-kernel - Re: [PATCH v2 4/9] mfd: mt6360: Combine mt6360 pmic/ldo resouces into mt6360 regulator resources

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Date:   Fri, 31 Jul 2020 12:12:29 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Gene Chen <gene.chen.richtek@...il.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Gene Chen <gene_chen@...htek.com>, benjamin.chao@...iatek.com,
        shufan_lee@...htek.com, cy_huang@...htek.com
Subject: Re: [PATCH v2 4/9] mfd: mt6360: Combine mt6360 pmic/ldo resouces
 into mt6360 regulator resources

On Fri, 31 Jul 2020, Gene Chen wrote:

> Lee Jones <lee.jones@...aro.org> 於 2020年7月28日 週二 下午2:54寫道：
> >
> > On Tue, 28 Jul 2020, Gene Chen wrote:
> >
> > > Lee Jones <lee.jones@...aro.org> 於 2020年7月27日 週一 下午7:29寫道：
> > > >
> > > > On Fri, 17 Jul 2020, Gene Chen wrote:
> > > >
> > > > > From: Gene Chen <gene_chen@...htek.com>
> > > > >
> > > > > Combine mt6360 pmic/ldo resouces into mt6360 regulator resources
> > > > > to simplify the similar resources object.
> > > >
> > > > Do the sub-devices actually share these resources, or are you doing
> > > > this just to make the code simpler?
> > > >
> > >
> > > They are different resources used by different bucks and ldos without
> > > sharing relations.
> > > I just to make the code simpler.
> >
> > I don't think that's sensible.
> >
> > You should only share resources with child devices that consume them.
> >
> 
> At first, I separated regulators into two drivers, mt6360-pmic.c and
> mt6360-ldo.c, according to default-on power or not.
> Then, I merged two drivers into mt6360-regulator.c and merged their
> resources as well.
> Therefore, for every device of BUCK/LDO, I'll find resources according
> to their name and request IRQs.

Okay, so all of the resources are consumed by a single driver?

That is fine then.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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