linux-kernel - Re: [PATCH v2 2/3] dt-bindings: iio: adc: Add Allwinner D1/T113s/R329/T507 SoCs GPADC

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Date:   Sun, 4 Jun 2023 22:00:24 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Maxim Kiselev <bigunclemax@...il.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-iio@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        Heiko Stuebner <heiko.stuebner@...ll.eu>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Cosmin Tanislav <demonsingur@...il.com>,
        Stephen Boyd <sboyd@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        William Breathitt Gray <william.gray@...aro.org>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        Mike Looijmans <mike.looijmans@...ic.nl>,
        ChiYuan Huang <cy_huang@...htek.com>,
        Ramona Bolboaca <ramona.bolboaca@...log.com>,
        Ibrahim Tilki <Ibrahim.Tilki@...log.com>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        ChiaEn Wu <chiaen_wu@...htek.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 2/3] dt-bindings: iio: adc: Add Allwinner
 D1/T113s/R329/T507 SoCs GPADC

On Sun, Jun 04, 2023 at 11:20:43PM +0300, Maxim Kiselev wrote:
> пт, 2 июн. 2023 г. в 11:38, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org>:
> > On 02/06/2023 00:30, Maksim Kiselev wrote:
> > > From: Maxim Kiselev <bigunclemax@...il.com>
> > >
> > > Allwinner's D1/T113s/R329/T507 SoCs have a new general purpose ADC.
> > > This ADC is the same for all of this SoCs. The only difference is
> > > the number of available channels.
> >
> > Except that it wasn't tested...
> 
> Yes, you are right. I tested it only on the T113s board. And I will be glad if
> someone tests it on another SoC.

I would imagine Krzysztof meant testing the binding w/ dt_binding_check
etc, rather than testing the ADC itself.

> > Please run scripts/checkpatch.pl and fix reported warnings. Some
> > warnings can be ignored, but the code here looks like it needs a fix.
> > Feel free to get in touch if the warning is not clear.
> 
> I got a warning about required maintainer property. Should I do
> anything with this?

Yes, you should!

> If yes, then who should be a maintainer?

You, preferably.

> > Hm? So you do not allow anything from adc.yaml related? Are you sure
> > this is your intention?
> 
> I'm not sure about it. I looked at other ADC bindings and didn't find
> another driver with 'additionalProperties: true'

Try `unevaluatedProperties: false` instead.

Cheers,
Conor.

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