From: David Lechner <dlechner@baylibre.com>
Date: Wed, 17 Sep 2025 15:22:30 +0000 (-0500)
Subject: iio: adc: ad7124: use devm_mutex_init()
X-Git-Tag: v6.19-rc1~65^2~58^2~145
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b028373f87a354ad5f7665034f71007b8f3d9e2;p=thirdparty%2Fkernel%2Flinux.git

iio: adc: ad7124: use devm_mutex_init()

Use devm_mutex_init() to initialize the mutex to handle automatically
freeing in debug builds.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index b13a7824ae014..dff935360e6d1 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -1486,7 +1486,10 @@ static int ad7124_setup(struct ad7124_state *st)
 	st->adc_control &= ~AD7124_ADC_CONTROL_MODE;
 	st->adc_control |= FIELD_PREP(AD7124_ADC_CONTROL_MODE, AD_SD_MODE_IDLE);
 
-	mutex_init(&st->cfgs_lock);
+	ret = devm_mutex_init(dev, &st->cfgs_lock);
+	if (ret)
+		return ret;
+
 	INIT_KFIFO(st->live_cfgs_fifo);
 	for (i = 0; i < st->num_channels; i++) {
 		struct ad7124_channel_config *cfg = &st->channels[i].cfg;