[PATCH v4 5/6] iio: adc: bcm_iproc_adc: use devm-managed mutex initialization

[mdshahid03@gmail.com]

From: Mohammad Shahid <mdshahid03@gmail.com>

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

Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>
---
 drivers/iio/adc/bcm_iproc_adc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/bcm_iproc_adc.c b/drivers/iio/adc/bcm_iproc_adc.c
index ff271c7fb2de..9881a3104c26 100644
--- a/drivers/iio/adc/bcm_iproc_adc.c
+++ b/drivers/iio/adc/bcm_iproc_adc.c
@@ -525,7 +525,9 @@ static int iproc_adc_probe(struct platform_device *pdev)
 	adc_priv = iio_priv(indio_dev);
 	platform_set_drvdata(pdev, indio_dev);
 
-	mutex_init(&adc_priv->mutex);
+	ret = devm_mutex_init(dev, &adc_priv->mutex);
+	if (ret)
+		return ret;
 
 	init_completion(&adc_priv->completion);
 
-- 
2.43.0