iio: addac: ad74115: Use devm_mutex_init()

Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.

Signed-off-by: David Carlier <devnexen@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/addac/ad74115.c b/drivers/iio/addac/ad74115.c
index f8b04d86b01f3f57b31a603cd6b177c405072aa6..41e0b1d334cc29bacd0f9dc474f36bb6e82a29f3 100644 (file)
--- a/drivers/iio/addac/ad74115.c
+++ b/drivers/iio/addac/ad74115.c
@@ -1835,7 +1835,10 @@ static int ad74115_probe(struct spi_device *spi)
        st = iio_priv(indio_dev);
 
        st->spi = spi;
-       mutex_init(&st->lock);
+       ret = devm_mutex_init(dev, &st->lock);
+       if (ret)
+               return ret;
+
        init_completion(&st->adc_data_completion);
 
        indio_dev->name = AD74115_NAME;