staging: iio: ad7816: Use devm_iio_device_register

devm_iio_device_register simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index 9f48e5c74eed85c8f164208d4ddbaf4ed108dfb8..2369cf28412ed682046e99c715b21a0b778faee5 100644 (file)
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -412,7 +412,7 @@ static int ad7816_probe(struct spi_device *spi_dev)
                        return ret;
        }
 
-       ret = iio_device_register(indio_dev);
+       ret = devm_iio_device_register(&spi_dev->dev, indio_dev);
        if (ret)
                return ret;
 
@@ -422,15 +422,6 @@ static int ad7816_probe(struct spi_device *spi_dev)
        return 0;
 }
 
-static int ad7816_remove(struct spi_device *spi_dev)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(&spi_dev->dev);
-
-       iio_device_unregister(indio_dev);
-
-       return 0;
-}
-
 static const struct spi_device_id ad7816_id[] = {
        { "ad7816", 0 },
        { "ad7817", 0 },
@@ -446,7 +437,6 @@ static struct spi_driver ad7816_driver = {
                .owner = THIS_MODULE,
        },
        .probe = ad7816_probe,
-       .remove = ad7816_remove,
        .id_table = ad7816_id,
 };
 module_spi_driver(ad7816_driver);