From: Corentin Labbe <clabbe.montjoie@gmail.com>
Date: Fri, 18 Jan 2019 14:03:29 +0000 (+0100)
Subject: hwmon: (adm1029) Add a comment for locking mutex
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8241f885750a3fc7325b84711ee6895ae51b261e;p=openwrt%2Fstaging%2Fblogic.git

hwmon: (adm1029) Add a comment for locking mutex

Checkpatch complains that mutex does not have any comment.
This patch fix that.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index e9fe4fc3489e..e561279aea21 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -108,7 +108,7 @@ static const u8 ADM1029_REG_FAN_DIV[] = {
 
 struct adm1029_data {
 	struct i2c_client *client;
-	struct mutex update_lock;
+	struct mutex update_lock; /* protect register access */
 	char valid;		/* zero until following fields are valid */
 	unsigned long last_updated;	/* in jiffies */