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References: <20211110224622.16022-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20211110224622.16022-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
In-Reply-To: <20211110224622.16022-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Fri, 12 Nov 2021 15:06:21 +0100
Message-ID: <CAMuHMdVGeuabyQPYE2JPMzg_Kt0r-MxFr62SobQNLzFoWLo=8g@mail.gmail.com>
Subject: Re: [PATCH v3 3/6] pinctrl: renesas: pinctrl-rzg2l: Add helper
 functions to read/write pin config
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc:     Linus Walleij <linus.walleij@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Prabhakar <prabhakar.csengg@gmail.com>,
        Biju Das <biju.das.jz@bp.renesas.com>
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Precedence: bulk

Hi Prabhakar,

On Wed, Nov 10, 2021 at 11:46 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> Add helper functions to read/read modify write pin config.
>
> Switch to use helper functions for pins supporting PIN_CONFIG_INPUT_ENABLE
> capabilities.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
> ---
> v2->v3
> * Dropped duplicate masking in rzg2l_read_pin_config
> * Dropped port_pin flag
> * Dropped spinlocks around read/write

You do need the spinlock in the read-modify-write case.
No worries, I'll add it back while applying.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-pinctrl-for-v5.17.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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