[PATCH v8 4/6] iio: proximity: rfd77402: Use devm-managed mutex initialization
From: Shrikant Raskar via B4 Relay
Date: Wed Jan 28 2026 - 12:57:23 EST
From: Shrikant Raskar <raskar.shree97@xxxxxxxxx>
Use devm_mutex_init() to tie the mutex lifetime to the device and
improve debugging when CONFIG_DEBUG_MUTEXES is enabled.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Signed-off-by: Shrikant Raskar <raskar.shree97@xxxxxxxxx>
---
drivers/iio/proximity/rfd77402.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index 6b23fb3bfe1d..a374a7389c33 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -283,7 +283,10 @@ static int rfd77402_probe(struct i2c_client *client)
data = iio_priv(indio_dev);
data->client = client;
- mutex_init(&data->lock);
+
+ ret = devm_mutex_init(&client->dev, &data->lock);
+ if (ret)
+ return ret;
indio_dev->info = &rfd77402_info;
indio_dev->channels = rfd77402_channels;
--
2.43.0