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Date:   Sun, 19 Mar 2023 22:20:35 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Lizhe <sensor1010@....com>
Cc:     brgl@...ev.pl, geert+renesas@...der.be, info@...ux.net,
        rjui@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        f.fainelli@...il.com, sbranden@...adcom.com, shc_work@...l.ru,
        j-keerthy@...com, hoan@...amperecomputing.com,
        fancer.lancer@...il.com, orsonzhai@...il.com,
        baolin.wang@...ux.alibaba.com, zhang.lyra@...il.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, kaloz@...nwrt.org,
        khalasa@...p.pl, keguang.zhang@...il.com, daniel@...ngy.jp,
        romain.perier@...il.com, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, grygorii.strashko@...com,
        ssantosh@...nel.org, khilman@...nel.org, mani@...nel.org,
        ludovic.desroches@...rochip.com, andy@...nel.org,
        palmer@...belt.com, paul.walmsley@...ive.com, jonathanh@...dia.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com,
        michal.simek@...inx.com, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mips@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-pwm@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-unisoc@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH v2] drivers/gpio : Remove redundant platform_set_drvdata().

On Sun, Mar 19, 2023 at 1:02 PM Lizhe <sensor1010@....com> wrote:

> platform_set_drvdata() is redundant in these functions.
> the purpose of calling this function is to place data
> in *driver_data. but the data is not retrieved in these
> functions
>
> Signed-off-by: Lizhe <sensor1010@....com>

You have to also ascertain that the data is not used elsewhere
like in some callbacks or even in other drivers in some odd cases.

Yours,
Linus Walleij

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