linux-kernel - Re: [PATCH] i2c: riic: Simplify reset handling

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Message-ID: <CAMuHMdUgtbqA9M_ZuCJpB0EcH3Ysw-zqG2c1EHuih2DJO714qg@mail.gmail.com>
Date:   Fri, 18 Feb 2022 09:44:06 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Chris Brandt <chris.brandt@...esas.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH] i2c: riic: Simplify reset handling

On Thu, Feb 10, 2022 at 12:22 AM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Read reset phandle as optional instead of exclusive so that all the DT's
> passing the reset phandle can be used to assert/deassert the reset line.
> With this change we don't have to differentiate the RZ/G2L SoC.
>
> With the above changes we no longer need the "renesas,riic-r9a07g044"
> compatible string, so drop it from riic_i2c_dt_ids[]. No changes are
> required to the r9a07g044.dtsi as we already have "renesas,riic-rz" as a
> fallback compatible string.
>
> While at it, check the return code of reset_control_deassert() as it might
> fail and also add a devres action to assert the reset line.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds