iio: adc: viperboard: 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/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c
index ee695e5..d0add8f 100644 (file)
--- a/drivers/iio/adc/viperboard_adc.c
+++ b/drivers/iio/adc/viperboard_adc.c
@@ -133,7 +133,7 @@ static int vprbrd_adc_probe(struct platform_device *pdev)
        indio_dev->channels = vprbrd_adc_iio_channels;
        indio_dev->num_channels = ARRAY_SIZE(vprbrd_adc_iio_channels);
 
-       ret = iio_device_register(indio_dev);
+       ret = devm_iio_device_register(&pdev->dev, indio_dev);
        if (ret) {
                dev_err(&pdev->dev, "could not register iio (adc)");
                return ret;
@@ -144,22 +144,12 @@ static int vprbrd_adc_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int vprbrd_adc_remove(struct platform_device *pdev)
-{
-       struct iio_dev *indio_dev = platform_get_drvdata(pdev);
-
-       iio_device_unregister(indio_dev);
-
-       return 0;
-}
-
 static struct platform_driver vprbrd_adc_driver = {
        .driver = {
                .name   = "viperboard-adc",
                .owner  = THIS_MODULE,
        },
        .probe          = vprbrd_adc_probe,
-       .remove         = vprbrd_adc_remove,
 };
 
 module_platform_driver(vprbrd_adc_driver);