[PATCH 3/7] iio: dac: ad5758: Use devm_mutex_init()

[David Carlier <devnexen@gmail.com>]

Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.

Signed-off-by: David Carlier <devnexen@gmail.com>
---
 drivers/iio/dac/ad5758.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/dac/ad5758.c b/drivers/iio/dac/ad5758.c
index 4ed4fda76ea9..8e6fb46cce4d 100644
--- a/drivers/iio/dac/ad5758.c
+++ b/drivers/iio/dac/ad5758.c
@@ -851,7 +851,9 @@ static int ad5758_probe(struct spi_device *spi)
 
 	st->spi = spi;
 
-	mutex_init(&st->lock);
+	ret = devm_mutex_init(&spi->dev, &st->lock);
+	if (ret)
+		return ret;
 
 	indio_dev->name = spi_get_device_id(spi)->name;
 	indio_dev->info = &ad5758_info;
-- 
2.53.0