iio: adc: rcar: Switch to sparse friendly iio_device_claim/release_direct()

These new functions allow sparse to find failures to release
direct mode reducing chances of bugs over the claim_direct_mode()
functions that are deprecated.

Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250309165819.1346684-9-jic23@kernel.org
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 11170b5..221c075 100644 (file)
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -199,13 +199,12 @@ static int rcar_gyroadc_read_raw(struct iio_dev *indio_dev,
                if (!consumer)
                        return -EINVAL;
 
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
 
                ret = rcar_gyroadc_set_power(priv, true);
                if (ret < 0) {
-                       iio_device_release_direct_mode(indio_dev);
+                       iio_device_release_direct(indio_dev);
                        return ret;
                }
 
@@ -213,7 +212,7 @@ static int rcar_gyroadc_read_raw(struct iio_dev *indio_dev,
                *val &= BIT(priv->sample_width) - 1;
 
                ret = rcar_gyroadc_set_power(priv, false);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                if (ret < 0)
                        return ret;