From: "Nuno Sá via B4 Relay" <devnull+nuno.sa.analog.com@kernel.org>
To: linux-iio@vger.kernel.org, devicetree@vger.kernel.org
Cc: Michael Hennerich <Michael.Hennerich@analog.com>,
Jonathan Cameron <jic23@kernel.org>,
David Lechner <dlechner@baylibre.com>,
Andy Shevchenko <andy@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Subject: [PATCH v4 08/12] iio: dac: ad5446: Make use of devm_mutex_init()
Date: Tue, 04 Nov 2025 15:35:13 +0000 [thread overview]
Message-ID: <20251104-dev-add-ad5542-v4-8-6fe35458bf8c@analog.com> (raw)
In-Reply-To: <20251104-dev-add-ad5542-v4-0-6fe35458bf8c@analog.com>
From: Nuno Sá <nuno.sa@analog.com>
Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
---
drivers/iio/dac/ad5446.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index c7876217c7ec..59e1f67ef334 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;
--
2.51.0
next prev parent reply other threads:[~2025-11-04 15:34 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 15:35 [PATCH v4 00/12] iio: dac: ad5446: Refactor and add support for AD5542 Nuno Sá via B4 Relay
2025-11-04 15:35 ` [PATCH v4 01/12] dt-bindings: iio: dac: Document AD5446 and similar devices Nuno Sá via B4 Relay
2025-11-04 17:51 ` [PATCH v5 6/7] dt-bindings: clock: rockchip: Add RK3506 clock and reset unit Conor Dooley
2025-11-04 15:35 ` [PATCH v4 02/12] iio: dac: ad5446: Use DMA safe buffer for transfers Nuno Sá via B4 Relay
2025-11-04 17:10 ` Andy Shevchenko
2025-11-04 15:35 ` [PATCH v4 03/12] iio: dac: ad5446: Drop duplicated spi_id entry Nuno Sá via B4 Relay
2025-11-04 17:12 ` Andy Shevchenko
2025-11-05 10:16 ` Nuno Sá
2025-11-04 15:35 ` [PATCH v4 04/12] iio: dac: ad5446: Don't ignore missing regulator Nuno Sá via B4 Relay
2025-11-04 15:35 ` [PATCH v4 05/12] iio: dac: ad5446: Move to single chip_info structures Nuno Sá via B4 Relay
2025-11-04 15:35 ` [PATCH v4 06/12] iio: dac: ad5456: Add missing DT compatibles Nuno Sá via B4 Relay
2025-11-04 15:35 ` [PATCH v4 07/12] iio: dac: ad5446: Separate I2C/SPI into different drivers Nuno Sá via B4 Relay
2025-11-04 18:20 ` Andy Shevchenko
2025-11-04 15:35 ` Nuno Sá via B4 Relay [this message]
2025-11-04 15:35 ` [PATCH v4 09/12] iio: dac: ad5446: Make use of the cleanup helpers Nuno Sá via B4 Relay
2025-11-04 18:23 ` Andy Shevchenko
2025-11-04 15:35 ` [PATCH v4 10/12] iio: dac: ad5446: Refactor header inclusion Nuno Sá via B4 Relay
2025-11-04 18:24 ` Andy Shevchenko
2025-11-04 15:35 ` [PATCH v4 11/12] iio: dac: ad5446: Fix coding style issues Nuno Sá via B4 Relay
2025-11-04 18:26 ` Andy Shevchenko
2025-11-04 15:35 ` [PATCH v4 12/12] iio: dac: ad5446: Add AD5542 to the spi id table Nuno Sá via B4 Relay
2025-11-04 18:30 ` [PATCH v4 00/12] iio: dac: ad5446: Refactor and add support for AD5542 Andy Shevchenko
2025-11-05 10:16 ` Nuno Sá
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