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Wed, 29 Jun 2022 07:25:57 -0700 (PDT) Message-ID: <80117936-6869-19b2-45a6-96a4562c6cd2@gmail.com> Date: Wed, 29 Jun 2022 16:25:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH 6/6] i2c: Make remove callback return void Content-Language: en-US To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Wolfram Sang References: <20220628140313.74984-1-u.kleine-koenig@pengutronix.de> <20220628140313.74984-7-u.kleine-koenig@pengutronix.de> From: Maximilian Luz In-Reply-To: <20220628140313.74984-7-u.kleine-koenig@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Thu, 30 Jun 2022 08:13:02 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, linux-staging@lists.linux.dev, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, Bjorn Andersson , Benjamin Tissoires , linux-mtd@lists.infradead.org, linux-i2c@vger.kernel.org, netdev@vger.kernel.org, kasan-dev@googlegroups.com, linux-clk@vger.kernel.org, linux-leds@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-rtc@vger.kernel.org, chrome-platform@lists.linux.dev, linux-omap@vger.kernel.org, Luka Perkov , Arnd Bergmann , linux-pm@vger.kernel.org, Jarkko Sakkinen , linux-pwm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Bastien Nocera , linux-input@vger.kernel.org, Miguel Ojeda , Jakub Kicinski , linux-usb@vger.kernel.org, linux-media@vger.kernel.org, Shawn Tu , linux-hwmon@v ger.kernel.org, acpi4asus-user@lists.sourceforge.net, linux-serial@vger.kernel.org, =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Manivannan Sadhasivam , Jiri Kosina , linuxppc-dev@lists.ozlabs.org, Mark Gross , Hans de Goede , Rob Herring , linux-mediatek@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, openipmi-developer@lists.sourceforge.net, Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Andy Shevchenko , Nathan Chancellor , linux-gpio@vger.kernel.org, Stephen Boyd , Greg Kroah-Hartman , Dmitry Torokhov , platform-driver-x86@vger.kernel.org, Kyungmin Park , Mark Brown , linux-crypto@vger.kernel.org, Pengutronix Kernel Team , patches@opensource.cirrus .com, linux-integrity@vger.kernel.org, =?UTF-8?Q?Pali _Roh=c3=a1r?= , "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 6/28/22 16:03, Uwe Kleine-König wrote: > From: Uwe Kleine-König > > 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 [...] > 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