iio: adc: rn5t618-adc: use devm_iio_map_array_register() function

This driver already hooks a similar unwind callback via
devm_add_action_or_reset().

They pretty much do the same thing, so this change converts it to the
devm_iio_map_array_register().

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20210926162859.3567685-1-aardelean@deviqon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/rn5t618-adc.c b/drivers/iio/adc/rn5t618-adc.c
index c56fccb..7d891b4 100644 (file)
--- a/drivers/iio/adc/rn5t618-adc.c
+++ b/drivers/iio/adc/rn5t618-adc.c
@@ -197,13 +197,6 @@ static struct iio_map rn5t618_maps[] = {
        { /* sentinel */ }
 };
 
-static void unregister_map(void *data)
-{
-       struct iio_dev *iio_dev = (struct iio_dev *) data;
-
-       iio_map_array_unregister(iio_dev);
-}
-
 static int rn5t618_adc_probe(struct platform_device *pdev)
 {
        int ret;
@@ -254,11 +247,7 @@ static int rn5t618_adc_probe(struct platform_device *pdev)
                return ret;
        }
 
-       ret = iio_map_array_register(iio_dev, rn5t618_maps);
-       if (ret < 0)
-               return ret;
-
-       ret = devm_add_action_or_reset(adc->dev, unregister_map, iio_dev);
+       ret = devm_iio_map_array_register(adc->dev, iio_dev, rn5t618_maps);
        if (ret < 0)
                return ret;