From: David Carlier <devnexen@gmail.com>
To: Jonathan Cameron <jic23@kernel.org>, linux-iio@vger.kernel.org
Cc: "David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Michael Hennerich" <Michael.Hennerich@analog.com>,
"Kim Seer Paller" <kimseer.paller@analog.com>,
"Cosmin Tanislav" <cosmin.tanislav@analog.com>,
linux-kernel@vger.kernel.org,
"David Carlier" <devnexen@gmail.com>
Subject: [PATCH 1/7] iio: dac: ad3552r: Use devm_mutex_init()
Date: Fri, 10 Apr 2026 20:37:31 +0100 [thread overview]
Message-ID: <20260410193737.35905-2-devnexen@gmail.com> (raw)
In-Reply-To: <20260410193737.35905-1-devnexen@gmail.com>
Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.
Signed-off-by: David Carlier <devnexen@gmail.com>
---
drivers/iio/dac/ad3552r.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/dac/ad3552r.c b/drivers/iio/dac/ad3552r.c
index 93c33bc3e1be..a2713b0c176e 100644
--- a/drivers/iio/dac/ad3552r.c
+++ b/drivers/iio/dac/ad3552r.c
@@ -629,7 +629,9 @@ static int ad3552r_probe(struct spi_device *spi)
if (!dac->model_data)
return -EINVAL;
- mutex_init(&dac->lock);
+ err = devm_mutex_init(&spi->dev, &dac->lock);
+ if (err)
+ return err;
err = ad3552r_init(dac);
if (err)
--
2.53.0
next prev parent reply other threads:[~2026-04-10 19:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-10 19:37 [PATCH 0/7] iio: dac: Convert several drivers to devm_mutex_init() David Carlier
2026-04-10 19:37 ` David Carlier [this message]
2026-04-10 19:37 ` [PATCH 2/7] iio: dac: ad7303: Use devm_mutex_init() David Carlier
2026-04-10 19:37 ` [PATCH 3/7] iio: dac: ad5758: " David Carlier
2026-04-10 19:37 ` [PATCH 4/7] iio: dac: ad5755: " David Carlier
2026-04-10 19:37 ` [PATCH 5/7] iio: dac: ad5686: " David Carlier
2026-04-10 19:37 ` [PATCH 6/7] iio: dac: ltc2664: " David Carlier
2026-04-10 19:37 ` [PATCH 7/7] iio: addac: ad74115: " David Carlier
2026-04-10 20:03 ` [PATCH 0/7] iio: dac: Convert several drivers to devm_mutex_init() David Lechner
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