From a0386bba70934d42f586eaf68b21d5eeaffa7bd0 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Sun, 23 Jan 2022 18:52:01 +0100 Subject: spi: make remove callback a void function The value returned by an spi 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 Acked-by: Marc Kleine-Budde Acked-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven Acked-by: Jérôme Pouiller Acked-by: Miquel Raynal Acked-by: Jonathan Cameron Acked-by: Claudius Heine Acked-by: Stefan Schmidt Acked-by: Alexandre Belloni Acked-by: Ulf Hansson # For MMC Acked-by: Marcus Folkesson Acked-by: Łukasz Stelmach Acked-by: Lee Jones Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de Signed-off-by: Mark Brown --- drivers/hwmon/adcxx.c | 4 +--- drivers/hwmon/adt7310.c | 3 +-- drivers/hwmon/max1111.c | 3 +-- drivers/hwmon/max31722.c | 4 +--- 4 files changed, 4 insertions(+), 10 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index e5bc5ce09f4e..de37bce24fa6 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -194,7 +194,7 @@ out_err: return status; } -static int adcxx_remove(struct spi_device *spi) +static void adcxx_remove(struct spi_device *spi) { struct adcxx *adc = spi_get_drvdata(spi); int i; @@ -205,8 +205,6 @@ static int adcxx_remove(struct spi_device *spi) device_remove_file(&spi->dev, &ad_input[i].dev_attr); mutex_unlock(&adc->lock); - - return 0; } static const struct spi_device_id adcxx_ids[] = { diff --git a/drivers/hwmon/adt7310.c b/drivers/hwmon/adt7310.c index c40cac16af68..832d9ec64934 100644 --- a/drivers/hwmon/adt7310.c +++ b/drivers/hwmon/adt7310.c @@ -88,10 +88,9 @@ static int adt7310_spi_probe(struct spi_device *spi) &adt7310_spi_ops); } -static int adt7310_spi_remove(struct spi_device *spi) +static void adt7310_spi_remove(struct spi_device *spi) { adt7x10_remove(&spi->dev, spi->irq); - return 0; } static const struct spi_device_id adt7310_id[] = { diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index 5fcfd57df61e..4c5487aeb3cf 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -254,7 +254,7 @@ err_remove: return err; } -static int max1111_remove(struct spi_device *spi) +static void max1111_remove(struct spi_device *spi) { struct max1111_data *data = spi_get_drvdata(spi); @@ -265,7 +265,6 @@ static int max1111_remove(struct spi_device *spi) sysfs_remove_group(&spi->dev.kobj, &max1110_attr_group); sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group); mutex_destroy(&data->drvdata_lock); - return 0; } static const struct spi_device_id max1111_ids[] = { diff --git a/drivers/hwmon/max31722.c b/drivers/hwmon/max31722.c index 4cf4fe6809a3..93e048ee4955 100644 --- a/drivers/hwmon/max31722.c +++ b/drivers/hwmon/max31722.c @@ -100,7 +100,7 @@ static int max31722_probe(struct spi_device *spi) return 0; } -static int max31722_remove(struct spi_device *spi) +static void max31722_remove(struct spi_device *spi) { struct max31722_data *data = spi_get_drvdata(spi); int ret; @@ -111,8 +111,6 @@ static int max31722_remove(struct spi_device *spi) if (ret) /* There is nothing we can do about this ... */ dev_warn(&spi->dev, "Failed to put device in stand-by mode\n"); - - return 0; } static int __maybe_unused max31722_suspend(struct device *dev) -- cgit v1.2.3