linux-kernel - Re: [PATCH v2 2/5] mfd: stmpe: Probe sub-function by compatible

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Message-ID: <CACRpkdbSVOR6RA5Ji4qQm2OvMPjHHbe=hM5a6cv9M4tb21LALA@mail.gmail.com>
Date:   Mon, 18 Jul 2022 11:20:37 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Francesco Dolcini <francesco.dolcini@...adex.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Ahmad Fatoum <a.fatoum@...gutronix.de>
Subject: Re: [PATCH v2 2/5] mfd: stmpe: Probe sub-function by compatible

On Tue, Jul 12, 2022 at 6:36 PM Francesco Dolcini
<francesco.dolcini@...adex.com> wrote:

> Use sub-function of_compatible during probe, instead of using the node
> name. The code should not rely on the node names during probe, in
> addition to that the previously hard-coded node names are not compliant
> to the latest naming convention (they are not generic and they use
> underscores), and it was broken by mistake already once [1].
>
> [1] commit 56086b5e804f ("ARM: dts: imx6qdl-apalis: Avoid underscore in node name")
>
> Suggested-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
> ---
> v2:
>  - remove define usage for compatible strings
>  - moved rotator removal from probe to a separate patch

v2 LGTM
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij