linux-kernel - [PATCH 3/3] gpio: sim: use devm_mutex

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Date: Mon, 10 Jun 2024 16:05:48 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH 3/3] gpio: sim: use devm_mutex_init()

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Drop the hand-coded devres action callback for destroying the mutex in
favor of devm_mutex_init().

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-sim.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index 21ad8d87ef04..4157735ea791 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -308,13 +308,6 @@ static ssize_t gpio_sim_sysfs_pull_store(struct device *dev,
 	return len;
 }
 
-static void gpio_sim_mutex_destroy(void *data)
-{
-	struct mutex *lock = data;
-
-	mutex_destroy(lock);
-}
-
 static void gpio_sim_put_device(void *data)
 {
 	struct device *dev = data;
@@ -458,9 +451,7 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev)
 	if (ret)
 		return ret;
 
-	mutex_init(&chip->lock);
-	ret = devm_add_action_or_reset(dev, gpio_sim_mutex_destroy,
-				       &chip->lock);
+	ret = devm_mutex_init(dev, &chip->lock);
 	if (ret)
 		return ret;
 
-- 
2.40.1