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From: Rupesh Majhi <zoone.rupert@gmail.com>
To: "Andy Shevchenko" <andy@kernel.org>,
	"Bill Wendling" <morbo@google.com>,
	"David Lechner" <dlechner@baylibre.com>,
	"Eddie James" <eajames@linux.ibm.com>,
	"Jonathan Cameron" <jic23@kernel.org>,
	"Justin Stitt" <justinstitt@google.com>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Nuno Sá" <nuno.sa@analog.com>
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev, Rupesh Majhi <zoone.rupert@gmail.com>,
	Andy Shevchenko <andriy.shevchenko@intel.com>
Subject: [PATCH v11 1/5] iio: pressure: dps310: use devm_mutex_init()
Date: Fri,  2 Oct 2026 10:25:22 +0300	[thread overview]
Message-ID: <20261002072526.250081-2-zoone.rupert@gmail.com> (raw)
In-Reply-To: <20261002072526.250081-1-zoone.rupert@gmail.com>

Destroy the mutex on unbind so CONFIG_DEBUG_MUTEXES can check it.

Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Assisted-by: LLM
Signed-off-by: Rupesh Majhi <zoone.rupert@gmail.com>
---
 drivers/iio/pressure/dps310.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c
index 85df58ac1809..f7265df2fcb5 100644
--- a/drivers/iio/pressure/dps310.c
+++ b/drivers/iio/pressure/dps310.c
@@ -19,6 +19,7 @@
 #include <linux/limits.h>
 #include <linux/math64.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/regmap.h>
 #include <linux/unaligned.h>
 
@@ -996,7 +997,9 @@ static int dps310_probe(struct i2c_client *client)
 
 	data = iio_priv(iio);
 	data->client = client;
-	mutex_init(&data->lock);
+	rc = devm_mutex_init(dev, &data->lock);
+	if (rc)
+		return rc;
 
 	iio->name = DPS310_DEV_NAME;
 	iio->channels = dps310_channels;
-- 
2.43.0


  reply	other threads:[~2026-10-02  7:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02  7:25 [PATCH v11 0/5] iio: pressure: dps310: hardware FIFO support Rupesh Majhi
2026-10-02  7:25 ` Rupesh Majhi [this message]
2026-10-02  7:47   ` [PATCH v11 1/5] iio: pressure: dps310: use devm_mutex_init() Andy Shevchenko
2026-10-02  7:25 ` [PATCH v11 2/5] iio: pressure: dps310: read buffered samples from the hardware FIFO Rupesh Majhi
2026-10-02  7:53   ` Andy Shevchenko
2026-10-02  7:25 ` [PATCH v11 3/5] iio: pressure: dps310: derive the drain interval from the watermark Rupesh Majhi
2026-10-02  7:54   ` Andy Shevchenko
2026-10-02  7:25 ` [PATCH v11 4/5] iio: pressure: dps310: implement .hwfifo_flush_to_buffer() Rupesh Majhi
2026-10-02  7:25 ` [PATCH v11 5/5] iio: pressure: dps310: assert the lock at runtime too Rupesh Majhi
2026-10-02  7:57   ` Andy Shevchenko

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