linux-kernel - Re: [PATCH 3/6] spi: spi-rpc-if: Check return value of rpcif_sw

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Message-ID: <CAMuHMdXVxOtvXu_DM5FjFzNcPbLtrRJ9W2R6CHmCc0ZJg9JJYw@mail.gmail.com>
Date:   Tue, 5 Oct 2021 17:25:51 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Vignesh Raghavendra <vigneshr@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Mark Brown <broonie@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        MTD Maling List <linux-mtd@...ts.infradead.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 3/6] spi: spi-rpc-if: Check return value of rpcif_sw_init()

Hi Prabhakar,

Thanks for your patch!

On Tue, Sep 28, 2021 at 4:07 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> rpcif_sw_init() can fail so make sure we check the return value
> of it and on error exit rpcif_spi_probe() callback with error code.

Indeed, it will now fail earlier if CONFIG_RESET_CONTROLLER=n
Patch sent
https://lore.kernel.org/all/d4383bd1a97c0490c0bdc9dae5695f4230d4a420.1633447185.git.geert+renesas@glider.be

> Fixes: eb8d6d464a27 ("spi: add Renesas RPC-IF driver")
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@...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