iio: magnetometer: yamaha-yas530: Use devm_mutex_init() for mutex initialization

Use devm_mutex_init() since it brings some benefits when
CONFIG_DEBUG_MUTEXES is enabled.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/magnetometer/yamaha-yas530.c b/drivers/iio/magnetometer/yamaha-yas530.c
index 5acd23c6b97c331b8d4b74161ae3b6a4b06814f7..b3ee4351a0bf1175628fc481246f90078833ed5e 100644 (file)
--- a/drivers/iio/magnetometer/yamaha-yas530.c
+++ b/drivers/iio/magnetometer/yamaha-yas530.c
@@ -1405,7 +1405,10 @@ static int yas5xx_probe(struct i2c_client *i2c)
        yas5xx = iio_priv(indio_dev);
        i2c_set_clientdata(i2c, indio_dev);
        yas5xx->dev = dev;
-       mutex_init(&yas5xx->lock);
+
+       ret = devm_mutex_init(dev, &yas5xx->lock);
+       if (ret)
+               return ret;
 
        ret = iio_read_mount_matrix(dev, &yas5xx->orientation);
        if (ret)