| Message ID | 20211012153945.2651412-6-u.kleine-koenig@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Make some spi device drivers return zero in .remove() | expand |
On Tue, Oct 12, 2021 at 05:39:30PM +0200, Uwe Kleine-König wrote: > Up to now adxl34x_remove() returns zero unconditionally. Make it return > void instead which makes it easier to see in the callers that there is > no error to handle. > > Also the return value of i2c and spi remove callbacks is ignored anyway. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Applied, thank you.
> -----Original Message----- > From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> > Sent: Dienstag, 12. Oktober 2021 17:40 > To: Dmitry Torokhov <dmitry.torokhov@gmail.com>; Hennerich, Michael > <Michael.Hennerich@analog.com> > Cc: Mark Brown <broonie@kernel.org>; kernel@pengutronix.de; linux- > input@vger.kernel.org; linux-spi@vger.kernel.org > Subject: [PATCH v2 05/20] input: adxl34xx: Make adxl34x_remove() return void > > Up to now adxl34x_remove() returns zero unconditionally. Make it return void > instead which makes it easier to see in the callers that there is no error to > handle. > > Also the return value of i2c and spi remove callbacks is ignored anyway. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Michael Hennerich <michael.hennerich@analog.com> > --- > drivers/input/misc/adxl34x-i2c.c | 4 +++- drivers/input/misc/adxl34x-spi.c | 4 > +++- > drivers/input/misc/adxl34x.c | 4 +--- > drivers/input/misc/adxl34x.h | 2 +- > 4 files changed, 8 insertions(+), 6 deletions(-) > > diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c > index e64368a63346..a3b5f88d2bd1 100644 > --- a/drivers/input/misc/adxl34x-i2c.c > +++ b/drivers/input/misc/adxl34x-i2c.c > @@ -103,7 +103,9 @@ static int adxl34x_i2c_remove(struct i2c_client *client) > { > struct adxl34x *ac = i2c_get_clientdata(client); > > - return adxl34x_remove(ac); > + adxl34x_remove(ac); > + > + return 0; > } > > static int __maybe_unused adxl34x_i2c_suspend(struct device *dev) diff --git > a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c > index df6afa455e46..6e51c9bc619f 100644 > --- a/drivers/input/misc/adxl34x-spi.c > +++ b/drivers/input/misc/adxl34x-spi.c > @@ -91,7 +91,9 @@ static int adxl34x_spi_remove(struct spi_device *spi) { > struct adxl34x *ac = spi_get_drvdata(spi); > > - return adxl34x_remove(ac); > + adxl34x_remove(ac); > + > + return 0; > } > > static int __maybe_unused adxl34x_spi_suspend(struct device *dev) diff --git > a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index > 4cc4e8ff42b3..34beac80e6f0 100644 > --- a/drivers/input/misc/adxl34x.c > +++ b/drivers/input/misc/adxl34x.c > @@ -896,15 +896,13 @@ struct adxl34x *adxl34x_probe(struct device *dev, > int irq, } EXPORT_SYMBOL_GPL(adxl34x_probe); > > -int adxl34x_remove(struct adxl34x *ac) > +void adxl34x_remove(struct adxl34x *ac) > { > sysfs_remove_group(&ac->dev->kobj, &adxl34x_attr_group); > free_irq(ac->irq, ac); > input_unregister_device(ac->input); > dev_dbg(ac->dev, "unregistered accelerometer\n"); > kfree(ac); > - > - return 0; > } > EXPORT_SYMBOL_GPL(adxl34x_remove); > > diff --git a/drivers/input/misc/adxl34x.h b/drivers/input/misc/adxl34x.h index > 83a0eeccf613..febf85270fff 100644 > --- a/drivers/input/misc/adxl34x.h > +++ b/drivers/input/misc/adxl34x.h > @@ -25,6 +25,6 @@ void adxl34x_resume(struct adxl34x *ac); struct adxl34x > *adxl34x_probe(struct device *dev, int irq, > bool fifo_delay_default, > const struct adxl34x_bus_ops *bops); -int > adxl34x_remove(struct adxl34x *ac); > +void adxl34x_remove(struct adxl34x *ac); > > #endif > -- > 2.30.2
diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c index e64368a63346..a3b5f88d2bd1 100644 --- a/drivers/input/misc/adxl34x-i2c.c +++ b/drivers/input/misc/adxl34x-i2c.c @@ -103,7 +103,9 @@ static int adxl34x_i2c_remove(struct i2c_client *client) { struct adxl34x *ac = i2c_get_clientdata(client); - return adxl34x_remove(ac); + adxl34x_remove(ac); + + return 0; } static int __maybe_unused adxl34x_i2c_suspend(struct device *dev) diff --git a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c index df6afa455e46..6e51c9bc619f 100644 --- a/drivers/input/misc/adxl34x-spi.c +++ b/drivers/input/misc/adxl34x-spi.c @@ -91,7 +91,9 @@ static int adxl34x_spi_remove(struct spi_device *spi) { struct adxl34x *ac = spi_get_drvdata(spi); - return adxl34x_remove(ac); + adxl34x_remove(ac); + + return 0; } static int __maybe_unused adxl34x_spi_suspend(struct device *dev) diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index 4cc4e8ff42b3..34beac80e6f0 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -896,15 +896,13 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, } EXPORT_SYMBOL_GPL(adxl34x_probe); -int adxl34x_remove(struct adxl34x *ac) +void adxl34x_remove(struct adxl34x *ac) { sysfs_remove_group(&ac->dev->kobj, &adxl34x_attr_group); free_irq(ac->irq, ac); input_unregister_device(ac->input); dev_dbg(ac->dev, "unregistered accelerometer\n"); kfree(ac); - - return 0; } EXPORT_SYMBOL_GPL(adxl34x_remove); diff --git a/drivers/input/misc/adxl34x.h b/drivers/input/misc/adxl34x.h index 83a0eeccf613..febf85270fff 100644 --- a/drivers/input/misc/adxl34x.h +++ b/drivers/input/misc/adxl34x.h @@ -25,6 +25,6 @@ void adxl34x_resume(struct adxl34x *ac); struct adxl34x *adxl34x_probe(struct device *dev, int irq, bool fifo_delay_default, const struct adxl34x_bus_ops *bops); -int adxl34x_remove(struct adxl34x *ac); +void adxl34x_remove(struct adxl34x *ac); #endif
Up to now adxl34x_remove() returns zero unconditionally. Make it return void instead which makes it easier to see in the callers that there is no error to handle. Also the return value of i2c and spi remove callbacks is ignored anyway. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/input/misc/adxl34x-i2c.c | 4 +++- drivers/input/misc/adxl34x-spi.c | 4 +++- drivers/input/misc/adxl34x.c | 4 +--- drivers/input/misc/adxl34x.h | 2 +- 4 files changed, 8 insertions(+), 6 deletions(-)