Re: [PATCH 6/6] i2c: Make remove callback return void

Jean Delvare
2022-07-05T10:09:05Z

On Tue, 28 Jun 2022 16:03:12 +0200, Uwe Kleine-König wrote:
> From: Uwe Kleine-König <uwe@kleine-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@pengutronix.de>
> ---

That's a huge change for a relatively small benefit, but if this is
approved by the I2C core maintainer then fine with me. For:

> drivers/hwmon/adc128d818.c | 4 +---
> drivers/hwmon/adt7470.c | 3 +--
> drivers/hwmon/asb100.c | 6 ++----
> drivers/hwmon/asc7621.c | 4 +---
> drivers/hwmon/dme1737.c | 4 +---
> drivers/hwmon/f75375s.c | 5 ++---
> drivers/hwmon/fschmd.c | 6 ++----
> drivers/hwmon/ftsteutates.c | 3 +--
> drivers/hwmon/ina209.c | 4 +---
> drivers/hwmon/ina3221.c | 4 +---
> drivers/hwmon/jc42.c | 3 +--
> drivers/hwmon/mcp3021.c | 4 +---
> drivers/hwmon/occ/p8_i2c.c | 4 +---
> drivers/hwmon/pcf8591.c | 3 +--
> drivers/hwmon/smm665.c | 3 +--
> drivers/hwmon/tps23861.c | 4 +---
> drivers/hwmon/w83781d.c | 4 +---
> drivers/hwmon/w83791d.c | 6 ++----
> drivers/hwmon/w83792d.c | 6 ++----
> drivers/hwmon/w83793.c | 6 ++----
> drivers/hwmon/w83795.c | 4 +---
> drivers/hwmon/w83l785ts.c | 6 ++----
> drivers/i2c/i2c-core-base.c | 6 +-----
> drivers/i2c/i2c-slave-eeprom.c | 4 +---
> drivers/i2c/i2c-slave-testunit.c | 3 +--
> drivers/i2c/i2c-smbus.c | 3 +--
> drivers/i2c/muxes/i2c-mux-ltc4306.c | 4 +---
> drivers/i2c/muxes/i2c-mux-pca9541.c | 3 +--
> drivers/i2c/muxes/i2c-mux-pca954x.c | 3 +--

Reviewed-by: Jean Delvare <jdelvare@suse.de>

--
Jean Delvare
SUSE L3 Support