Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5;
MIME-Version: 1.0
References: <20231009083856.222030-1-u.kleine-koenig@pengutronix.de> <20231009083856.222030-5-u.kleine-koenig@pengutronix.de>
In-Reply-To: <20231009083856.222030-5-u.kleine-koenig@pengutronix.de>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Tue, 10 Oct 2023 15:37:35 +0200
Message-ID: <CACRpkdawPWhYQTKMFqxYxc7=rpTGWK=3Ohis5AYb3Ye8dkxEpw@mail.gmail.com>
Subject: Re: [PATCH 04/20] pinctrl: cirrus: madera-core: Convert to platform
 remove callback returning void
To:     =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>
Cc:     Charles Keepax <ckeepax@opensource.cirrus.com>,
        Richard Fitzgerald <rf@opensource.cirrus.com>,
        alsa-devel@alsa-project.org, patches@opensource.cirrus.com,
        linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Mon, Oct 9, 2023 at 11:22=E2=80=AFAM Uwe Kleine-K=C3=B6nig
<u.kleine-koenig@pengutronix.de> wrote:


> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is ignored (apart
> from emitting a warning) and this typically results in resource leaks.
>
> To improve here there is a quest to make the remove callback return
> void. In the first step of this quest all drivers are converted to
> .remove_new(), which already returns void. Eventually after all drivers
> are converted, .remove_new() will be renamed to .remove().
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Signed-off-by: Uwe Kleine-K=C3=B6nig <u.kleine-koenig@pengutronix.de>

Patch applied.

Yours,
Linus Walleij