iio: dac: ad5446: drop driver remove callbacks

Drop use of the driver remove callbacks in the ad5446 driver.

By making use of a a devm_ helper, we can avoid the need for the remove
callbacks entirely.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241023-iio-regulator-refactor-round-5-v1-4-d0bd396b3f50@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 574de97..6ad99f9 100644 (file)
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -233,7 +233,6 @@ static int ad5446_probe(struct device *dev, const char *name,
        st = iio_priv(indio_dev);
        st->chip_info = chip_info;
 
-       dev_set_drvdata(dev, indio_dev);
        st->dev = dev;
 
        indio_dev->name = name;
@@ -258,14 +257,7 @@ static int ad5446_probe(struct device *dev, const char *name,
                st->vref_mv = ret / 1000;
        }
 
-       return iio_device_register(indio_dev);
-}
-
-static void ad5446_remove(struct device *dev)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-
-       iio_device_unregister(indio_dev);
+       return devm_iio_device_register(dev, indio_dev);
 }
 
 #if IS_ENABLED(CONFIG_SPI_MASTER)
@@ -466,18 +458,12 @@ static int ad5446_spi_probe(struct spi_device *spi)
                &ad5446_spi_chip_info[id->driver_data]);
 }
 
-static void ad5446_spi_remove(struct spi_device *spi)
-{
-       ad5446_remove(&spi->dev);
-}
-
 static struct spi_driver ad5446_spi_driver = {
        .driver = {
                .name   = "ad5446",
                .of_match_table = ad5446_of_ids,
        },
        .probe          = ad5446_spi_probe,
-       .remove         = ad5446_spi_remove,
        .id_table       = ad5446_spi_ids,
 };
 
@@ -550,11 +536,6 @@ static int ad5446_i2c_probe(struct i2c_client *i2c)
                &ad5446_i2c_chip_info[id->driver_data]);
 }
 
-static void ad5446_i2c_remove(struct i2c_client *i2c)
-{
-       ad5446_remove(&i2c->dev);
-}
-
 static const struct i2c_device_id ad5446_i2c_ids[] = {
        {"ad5301", ID_AD5602},
        {"ad5311", ID_AD5612},
@@ -571,7 +552,6 @@ static struct i2c_driver ad5446_i2c_driver = {
                   .name = "ad5446",
        },
        .probe = ad5446_i2c_probe,
-       .remove = ad5446_i2c_remove,
        .id_table = ad5446_i2c_ids,
 };