staging: iio: lpc32xx_adc: 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/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c
index ef0a21d..a876ce7 100644 (file)
--- a/drivers/staging/iio/adc/lpc32xx_adc.c
+++ b/drivers/staging/iio/adc/lpc32xx_adc.c
@@ -183,7 +183,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
        iodev->channels = lpc32xx_adc_iio_channels;
        iodev->num_channels = ARRAY_SIZE(lpc32xx_adc_iio_channels);
 
-       retval = iio_device_register(iodev);
+       retval = devm_iio_device_register(&pdev->dev, iodev);
        if (retval)
                return retval;
 
@@ -192,15 +192,6 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int lpc32xx_adc_remove(struct platform_device *pdev)
-{
-       struct iio_dev *iodev = platform_get_drvdata(pdev);
-
-       iio_device_unregister(iodev);
-
-       return 0;
-}
-
 #ifdef CONFIG_OF
 static const struct of_device_id lpc32xx_adc_match[] = {
        { .compatible = "nxp,lpc3220-adc" },
@@ -211,7 +202,6 @@ MODULE_DEVICE_TABLE(of, lpc32xx_adc_match);
 
 static struct platform_driver lpc32xx_adc_driver = {
        .probe          = lpc32xx_adc_probe,
-       .remove         = lpc32xx_adc_remove,
        .driver         = {
                .name   = MOD_NAME,
                .owner  = THIS_MODULE,