iio: adc: rcar-gyroadc: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding.
Note that the rcar-gyroadc driver is used with DT only, so there's
always a valid match.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c
index 0098c66..dcb5017 100644 (file)
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -487,8 +487,6 @@ err:
 
 static int rcar_gyroadc_probe(struct platform_device *pdev)
 {
-       const struct of_device_id *of_id =
-               of_match_device(rcar_gyroadc_match, &pdev->dev);
        struct device *dev = &pdev->dev;
        struct rcar_gyroadc *priv;
        struct iio_dev *indio_dev;
@@ -525,7 +523,8 @@ static int rcar_gyroadc_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       priv->model = (enum rcar_gyroadc_model)of_id->data;
+       priv->model = (enum rcar_gyroadc_model)
+               of_device_get_match_data(&pdev->dev);
 
        platform_set_drvdata(pdev, indio_dev);