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Date:   Wed, 29 Jun 2022 16:25:54 +0200
From:   Maximilian Luz <luzmaximilian@...il.com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Wolfram Sang <wsa@...nel.org>
Cc:     Uwe Kleine-König <uwe@...ine-koenig.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Luka Perkov <luka.perkov@...tura.hr>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Bastien Nocera <hadess@...ess.net>,
        Hans de Goede <hdegoede@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Shawn Tu <shawnx.tu@...el.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Andy Shevchenko <andy@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Gross <markgross@...nel.org>,
        Pali Rohár <pali@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org,
        openipmi-developer@...ts.sourceforge.net,
        linux-integrity@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-gpio@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, chrome-platform@...ts.linux.dev,
        linux-rpi-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-leds@...r.kernel.org, linux-media@...r.kernel.org,
        patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        linux-omap@...r.kernel.org, linux-mtd@...ts.infradead.org,
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        linux-pwm@...r.kernel.org, linux-rtc@...r.kernel.org,
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        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 6/6] i2c: Make remove callback return void

On 6/28/22 16:03, Uwe Kleine-König wrote:
> From: Uwe Kleine-König <uwe@...ine-koenig.org>
> 
> The value returned by an i2c driver's remove function is mostly ignored.
> (Only an error message is printed if the value is non-zero that the
> error is ignored.)
> 
> So change the prototype of the remove function to return no value. This
> way driver authors are not tempted to assume that passing an error to
> the upper layer is a good idea. All drivers are adapted accordingly.
> There is no intended change of behaviour, all callbacks were prepared to
> return 0 before.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

[...]
>   drivers/platform/surface/surface3_power.c                 | 4 +---

[...]

> diff --git a/drivers/platform/surface/surface3_power.c b/drivers/platform/surface/surface3_power.c
> index 444ec81ba02d..3b20dddeb815 100644
> --- a/drivers/platform/surface/surface3_power.c
> +++ b/drivers/platform/surface/surface3_power.c
> @@ -554,7 +554,7 @@ static int mshw0011_probe(struct i2c_client *client)
>   	return error;
>   }
>   
> -static int mshw0011_remove(struct i2c_client *client)
> +static void mshw0011_remove(struct i2c_client *client)
>   {
>   	struct mshw0011_data *cdata = i2c_get_clientdata(client);
>   
> @@ -564,8 +564,6 @@ static int mshw0011_remove(struct i2c_client *client)
>   		kthread_stop(cdata->poll_task);
>   
>   	i2c_unregister_device(cdata->bat0);
> -
> -	return 0;
>   }
>   
>   static const struct acpi_device_id mshw0011_acpi_match[] = {

For the quoted above:

Reviewed-by: Maximilian Luz <luzmaximilian@...il.com>

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