From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Fri, 16 Aug 2024 21:11:25 +0000 (-0700)
Subject: Input: lpc32xx_ts - use guard notation when acquiring mutex
X-Git-Tag: v7.1-rc1~44^2^2~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a00a9fad1c05293859c25b30621dde0f34290121;p=thirdparty%2Fkernel%2Flinux.git

Input: lpc32xx_ts - use guard notation when acquiring mutex

Guard notation simplifies code.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c
index 9bad8b93c039..5de752a06b26 100644
--- a/drivers/input/touchscreen/lpc32xx_ts.c
+++ b/drivers/input/touchscreen/lpc32xx_ts.c
@@ -279,7 +279,7 @@ static int lpc32xx_ts_suspend(struct device *dev)
 	 * avoid calling the TSC stop and start functions as the TSC
 	 * isn't yet clocked.
 	 */
-	mutex_lock(&input->mutex);
+	guard(mutex)(&input->mutex);
 
 	if (input_device_enabled(input)) {
 		if (device_may_wakeup(dev))
@@ -288,8 +288,6 @@ static int lpc32xx_ts_suspend(struct device *dev)
 			lpc32xx_stop_tsc(tsc);
 	}
 
-	mutex_unlock(&input->mutex);
-
 	return 0;
 }
 
@@ -298,7 +296,7 @@ static int lpc32xx_ts_resume(struct device *dev)
 	struct lpc32xx_tsc *tsc = dev_get_drvdata(dev);
 	struct input_dev *input = tsc->dev;
 
-	mutex_lock(&input->mutex);
+	guard(mutex)(&input->mutex);
 
 	if (input_device_enabled(input)) {
 		if (device_may_wakeup(dev))
@@ -307,8 +305,6 @@ static int lpc32xx_ts_resume(struct device *dev)
 			lpc32xx_setup_tsc(tsc);
 	}
 
-	mutex_unlock(&input->mutex);
-
 	return 0;
 }