staging: iio: ad2s1210: Use device-managed API

Use device-managed API to simplify the code.
The remove function is redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 0c1bd108c38645cc8733549b84b6d3e94b7c513d..4b25a3a314edbc23af483024335e89251834e388 100644 (file)
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -671,7 +671,7 @@ static int ad2s1210_probe(struct spi_device *spi)
        indio_dev->num_channels = ARRAY_SIZE(ad2s1210_channels);
        indio_dev->name = spi_get_device_id(spi)->name;
 
-       ret = iio_device_register(indio_dev);
+       ret = devm_iio_device_register(&spi->dev, indio_dev);
        if (ret)
                return ret;
 
@@ -683,15 +683,6 @@ static int ad2s1210_probe(struct spi_device *spi)
        return 0;
 }
 
-static int ad2s1210_remove(struct spi_device *spi)
-{
-       struct iio_dev *indio_dev = spi_get_drvdata(spi);
-
-       iio_device_unregister(indio_dev);
-
-       return 0;
-}
-
 static const struct of_device_id ad2s1210_of_match[] = {
        { .compatible = "adi,ad2s1210", },
        { }
@@ -710,7 +701,6 @@ static struct spi_driver ad2s1210_driver = {
                .of_match_table = of_match_ptr(ad2s1210_of_match),
        },
        .probe = ad2s1210_probe,
-       .remove = ad2s1210_remove,
        .id_table = ad2s1210_id,
 };
 module_spi_driver(ad2s1210_driver);