Input: tsc200x - make tsc200x_remove() return void

Up to now tsc200x_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 <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/tsc2004.c

···
 
 static int tsc2004_remove(struct i2c_client *i2c)
 {
-	return tsc200x_remove(&i2c->dev);
+	tsc200x_remove(&i2c->dev);
+
+	return 0;
 }
 
 static const struct i2c_device_id tsc2004_idtable[] = {

drivers/input/touchscreen/tsc2005.c

···
 
 static int tsc2005_remove(struct spi_device *spi)
 {
-	return tsc200x_remove(&spi->dev);
+	tsc200x_remove(&spi->dev);
+
+	return 0;
 }
 
 #ifdef CONFIG_OF

drivers/input/touchscreen/tsc200x-core.c

···
 }
 EXPORT_SYMBOL_GPL(tsc200x_probe);
 
-int tsc200x_remove(struct device *dev)
+void tsc200x_remove(struct device *dev)
 {
 	struct tsc200x *ts = dev_get_drvdata(dev);
 
 	sysfs_remove_group(&dev->kobj, &tsc200x_attr_group);
 
 	regulator_disable(ts->vio);
-
-	return 0;
 }
 EXPORT_SYMBOL_GPL(tsc200x_remove);
 

drivers/input/touchscreen/tsc200x-core.h

···
 int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
 		  struct regmap *regmap,
 		  int (*tsc200x_cmd)(struct device *dev, u8 cmd));
-int tsc200x_remove(struct device *dev);
+void tsc200x_remove(struct device *dev);
 
 #endif