iio: magnetometer: mag3110: 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.

Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-23-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index b633bdf..92d4511 100644 (file)
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -303,11 +303,10 @@ static int mag3110_read_raw(struct iio_dev *indio_dev,
 
        switch (mask) {
        case IIO_CHAN_INFO_RAW:
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
                ret = __mag3110_read_info_raw(data, chan, val);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                return ret;
 
        case IIO_CHAN_INFO_SCALE:
@@ -378,11 +377,10 @@ static int mag3110_write_raw(struct iio_dev *indio_dev,
        struct mag3110_data *data = iio_priv(indio_dev);
        int ret;
 
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
        ret = __mag3110_write_raw(data, chan, val, val2, mask);
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
 
        return ret;
 }