linux-kernel - Re: [PATCH 2/2] regulator: rt5759: Add support for Richtek RT5759 DCDC converter

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Message-ID: <Yj5nYUeizlmlbX4O@sirena.org.uk>
Date:   Sat, 26 Mar 2022 01:07:45 +0000
From:   Mark Brown <broonie@...nel.org>
To:     ChiYuan Huang <u0084500@...il.com>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        cy_huang <cy_huang@...htek.com>, gene_chen@...htek.com,
        lkml <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 2/2] regulator: rt5759: Add support for Richtek RT5759
 DCDC converter

On Sat, Mar 26, 2022 at 08:58:47AM +0800, ChiYuan Huang wrote:

> I tried to remove only __maybe_unused and build with x86 config  that
> CONFIG_OF=n.
> There's no warning or error message when compiling the rt5759 source code.

> If so, I will remove only '__maybe_unused'.
> May I ask whether 'of_match_ptr'  need to be added or not?

If you add of_match_ptr() (which is a little better, though it's
a tiny different either way) then you shouldn't remove
__maybe_unused - the thing here is that the __maybe_unused is
needed because of_match_ptr() is used.

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