iio: accel: adxl372: Use devm-managed mutex initialization

Use devm_mutex_init() to tie the mutex lifetime to the device and
improve debugging when CONFIG_DEBUG_MUTEXES is enabled.

Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c
index 545a21e5a3084fb88b0a0555305dd37801812c8a..1a6ba94f54f4be8749dcdd208a68368061ce4e9b 100644 (file)
--- a/drivers/iio/accel/adxl372.c
+++ b/drivers/iio/accel/adxl372.c
@@ -1299,7 +1299,9 @@ int adxl372_probe(struct device *dev, struct regmap *regmap,
        st->irq = irq;
        st->chip_info = chip_info;
 
-       mutex_init(&st->threshold_m);
+       ret = devm_mutex_init(dev, &st->threshold_m);
+       if (ret < 0)
+               return ret;
 
        indio_dev->channels = adxl372_channels;
        indio_dev->num_channels = ARRAY_SIZE(adxl372_channels);