staging: iio: light: use devm_iio_device_register instead iio_device_register

Replace iio_device_register with resource managed devm_iio_device_register in order
to ease the error path. Also delete the remove function since there is no need after
this change.
Signed-off-by: NIoana Ciornei <ciorneiioana@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/light/isl29028.c

@@ -513,7 +513,7 @@ static int isl29028_probe(struct i2c_client *client,
 	indio_dev->name = id->name;
 	indio_dev->dev.parent = &client->dev;
 	indio_dev->modes = INDIO_DIRECT_MODE;
-	ret = iio_device_register(indio_dev);
+	ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
 	if (ret < 0) {
 		dev_err(chip->dev, "iio registration fails with error %d\n",
 			ret);
@@ -522,14 +522,6 @@ static int isl29028_probe(struct i2c_client *client,
 	return 0;
 }
 
-static int isl29028_remove(struct i2c_client *client)
-{
-	struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
-	iio_device_unregister(indio_dev);
-	return 0;
-}
-
 static const struct i2c_device_id isl29028_id[] = {
 	{"isl29028", 0},
 	{}
@@ -550,7 +542,6 @@ static struct i2c_driver isl29028_driver = {
 		.of_match_table = isl29028_of_match,
 	},
 	.probe	 = isl29028_probe,
-	.remove  = isl29028_remove,
 	.id_table = isl29028_id,
 };
 

drivers/staging/iio/light/tsl2583.c

@@ -862,7 +862,7 @@ static int taos_probe(struct i2c_client *clientp,
 	indio_dev->dev.parent = &clientp->dev;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->name = chip->client->name;
-	ret = iio_device_register(indio_dev);
+	ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
 	if (ret) {
 		dev_err(&clientp->dev, "iio registration failed\n");
 		return ret;
@@ -917,13 +917,6 @@ static SIMPLE_DEV_PM_OPS(taos_pm_ops, taos_suspend, taos_resume);
 #define TAOS_PM_OPS NULL
 #endif
 
-static int taos_remove(struct i2c_client *client)
-{
-	iio_device_unregister(i2c_get_clientdata(client));
-
-	return 0;
-}
-
 static struct i2c_device_id taos_idtable[] = {
 	{ "tsl2580", 0 },
 	{ "tsl2581", 1 },
@@ -940,7 +933,6 @@ static struct i2c_driver taos_driver = {
 	},
 	.id_table = taos_idtable,
 	.probe = taos_probe,
-	.remove = taos_remove,
 };
 module_i2c_driver(taos_driver);