linux-kernel - Re: [PATCH v3 1/2] regulator: mt6360: Add support for MT6360 regulator

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Message-ID: <20200824110458.GB4676@sirena.org.uk>
Date:   Mon, 24 Aug 2020 12:04:58 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Gene Chen <gene.chen.richtek@...il.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>, robh+dt@...nel.org,
        lgirdwood@...il.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Gene Chen <gene_chen@...htek.com>
Subject: Re: [PATCH v3 1/2] regulator: mt6360: Add support for MT6360
 regulator

On Mon, Aug 24, 2020 at 06:23:19PM +0800, Gene Chen wrote:
> Mark Brown <broonie@...nel.org> 於 2020年8月20日 週四 下午7:45寫道：

> > This device only exists in the context of a single parent device, there
> > should be no need for a compatible string here - this is just a detail
> > of how Linux does things.  The MFD should just instntiate the platform
> > device.

> Trying to autoload module without of_id_table will cause run-time error:
> ueventd: LoadWithAliases was unable to load
> of:NregulatorT(null)Cmediatek,mt6360-regulator

You shouldn't have this described in the device tree at all, like I say
the MFD should just instantiate the platform device.

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