[PATCH 1/7] iio: dac: ad3552r: Use devm_mutex_init()

[David Carlier]

Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.

Signed-off-by: David Carlier <devnexen@xxxxxxxxx>
---
 drivers/iio/dac/ad3552r.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/dac/ad3552r.c b/drivers/iio/dac/ad3552r.c
index 93c33bc3e1be..a2713b0c176e 100644
--- a/drivers/iio/dac/ad3552r.c
+++ b/drivers/iio/dac/ad3552r.c
@@ -629,7 +629,9 @@ static int ad3552r_probe(struct spi_device *spi)
 	if (!dac->model_data)
 		return -EINVAL;
 
-	mutex_init(&dac->lock);
+	err = devm_mutex_init(&spi->dev, &dac->lock);
+	if (err)
+		return err;
 
 	err = ad3552r_init(dac);
 	if (err)
-- 
2.53.0