hwmon: (adt7x10) Make adt7x10_remove() return void

Up to now adt7x10_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>
Link: https://lore.kernel.org/r/20211011132754.2479853-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/adt7310.c

@@ -90,7 +90,8 @@ static int adt7310_spi_probe(struct spi_device *spi)
 
 static int adt7310_spi_remove(struct spi_device *spi)
 {
-	return adt7x10_remove(&spi->dev, spi->irq);
+	adt7x10_remove(&spi->dev, spi->irq);
+	return 0;
 }
 
 static const struct spi_device_id adt7310_id[] = {

drivers/hwmon/adt7410.c

@@ -50,7 +50,8 @@ static int adt7410_i2c_probe(struct i2c_client *client)
 
 static int adt7410_i2c_remove(struct i2c_client *client)
 {
-	return adt7x10_remove(&client->dev, client->irq);
+	adt7x10_remove(&client->dev, client->irq);
+	return 0;
 }
 
 static const struct i2c_device_id adt7410_ids[] = {

drivers/hwmon/adt7x10.c

@@ -444,7 +444,7 @@ exit_restore:
 }
 EXPORT_SYMBOL_GPL(adt7x10_probe);
 
-int adt7x10_remove(struct device *dev, int irq)
+void adt7x10_remove(struct device *dev, int irq)
 {
 	struct adt7x10_data *data = dev_get_drvdata(dev);
 
@@ -457,7 +457,6 @@ int adt7x10_remove(struct device *dev, int irq)
 	sysfs_remove_group(&dev->kobj, &adt7x10_group);
 	if (data->oldconfig != data->config)
 		adt7x10_write_byte(dev, ADT7X10_CONFIG, data->oldconfig);
-	return 0;
 }
 EXPORT_SYMBOL_GPL(adt7x10_remove);
 

drivers/hwmon/adt7x10.h

@@ -26,7 +26,7 @@ struct adt7x10_ops {
 
 int adt7x10_probe(struct device *dev, const char *name, int irq,
 	const struct adt7x10_ops *ops);
-int adt7x10_remove(struct device *dev, int irq);
+void adt7x10_remove(struct device *dev, int irq);
 
 #ifdef CONFIG_PM_SLEEP
 extern const struct dev_pm_ops adt7x10_dev_pm_ops;