public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
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 4/7] iio: dac: ad5755: Use devm_mutex_init()
Date: Fri, 10 Apr 2026 20:37:34 +0100	[thread overview]
Message-ID: <20260410193737.35905-5-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/ad5755.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index d0e5f35462b1..cc6d56140d66 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -827,8 +827,9 @@ static int ad5755_probe(struct spi_device *spi)
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->num_channels = AD5755_NUM_CHANNELS;
 
-	mutex_init(&st->lock);
-
+	ret = devm_mutex_init(&spi->dev, &st->lock);
+	if (ret)
+		return ret;
 
 	pdata = ad5755_parse_fw(&spi->dev);
 	if (!pdata) {
-- 
2.53.0


  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 ` [PATCH 1/7] iio: dac: ad3552r: Use devm_mutex_init() David Carlier
2026-04-10 19:37 ` [PATCH 2/7] iio: dac: ad7303: " David Carlier
2026-04-10 19:37 ` [PATCH 3/7] iio: dac: ad5758: " David Carlier
2026-04-10 19:37 ` David Carlier [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260410193737.35905-5-devnexen@gmail.com \
    --to=devnexen@gmail.com \
    --cc=Michael.Hennerich@analog.com \
    --cc=andy@kernel.org \
    --cc=cosmin.tanislav@analog.com \
    --cc=dlechner@baylibre.com \
    --cc=jic23@kernel.org \
    --cc=kimseer.paller@analog.com \
    --cc=lars@metafoo.de \
    --cc=linux-iio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nuno.sa@analog.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox