linux-kernel - Re: [PATCH] reset: reset-meson: add support for the Meson-S4 SoC Reset Controller

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Message-ID: <CAFBinCDDxCuwC-zNurWW44v3tJnmeK5xkJajx4RDe+1uDtecuA@mail.gmail.com>
Date:   Mon, 27 Dec 2021 19:10:39 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Zelong Dong <zelong.dong@...ogic.com>
Cc:     p.zabel@...gutronix.de, khilman@...libre.com,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, jbrunet@...libre.com
Subject: Re: [PATCH] reset: reset-meson: add support for the Meson-S4 SoC
 Reset Controller

Hello,

thank you for this patch!

On Mon, Dec 27, 2021 at 10:01 AM Zelong Dong <zelong.dong@...ogic.com> wrote:
>
> Signed-off-by: Zelong Dong <zelong.dong@...ogic.com>
Most maintainers don't take patches without a proper description.
./scripts/checkpatch.pl this.patch states:
WARNING: Missing commit description - Add an appropriate one

I suggest something like:
"Compared to the A1 SoCs the number of RESET registers is different
and the offset for the level registers is the same. Add a new
compatible string and struct meson_reset_param to add support for the
reset controller on the S4 SoC."

[...]
> +        { .compatible = "amlogic,meson-s4-reset",   .data = &meson_s4_param},
checkpatch reports here:
WARNING: DT compatible string "amlogic,meson-s4-reset" appears
un-documented -- check ./Documentation/devicetree/bindings/

My suggestion is to take your previous dt-bindings patch for the reset
controller and to extend it with one entry in
Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml just
like it was done for the A1 SoC: [0]
Then take both patches (dt-binding and driver) and send them as one
series, so it's clear to the reset-maintainers and reviewers that
these patches belong together.

Best regards,
Martin

[0] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d9730b9eb05a349c278a9f6f058ebefa9063def