From: Nuno Sá <nuno.sa@analog.com>
Date: Tue, 4 Nov 2025 15:35:13 +0000 (+0000)
Subject: iio: dac: ad5446: Make use of devm_mutex_init()
X-Git-Tag: v6.19-rc1~65^2~58^2~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e43c10675d876a5fb71e57a9bcca9533fccccd9;p=thirdparty%2Flinux.git

iio: dac: ad5446: Make use of devm_mutex_init()

Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index c7876217c7ecf..59e1f67ef3342 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -184,7 +184,9 @@ int ad5446_probe(struct device *dev, const char *name,
 	indio_dev->channels = &st->chip_info->channel;
 	indio_dev->num_channels = 1;
 
-	mutex_init(&st->lock);
+	ret = devm_mutex_init(dev, &st->lock);
+	if (ret)
+		return ret;
 
 	st->pwr_down_mode = MODE_PWRDWN_1k;