linux-kernel - [PATCH 7/7] hwmon: adm1029: Add a comment for locking mutex

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Date:   Fri, 18 Jan 2019 15:03:29 +0100
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     jdelvare@...e.com, linux@...ck-us.net
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH 7/7] 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@...il.com>
---
 drivers/hwmon/adm1029.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 */
 
-- 
2.19.2