From: Erik Rosen <erik.rosen@metormote.com>
Date: Mon, 1 Feb 2021 19:59:28 +0000 (+0100)
Subject: hwmon: (pmbus) Clear sensor data after chip write
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1ae5aaf5d1c5473616413f3aa8ce05e9c739a298;p=linux.git

hwmon: (pmbus) Clear sensor data after chip write

Set the sensor->data field to -ENODATA to force a chip access next time
the sensor value is read.

Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210201195929.1200-2-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 1cf7d9e9d0894..aadea85fe6307 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -974,7 +974,7 @@ static ssize_t pmbus_set_sensor(struct device *dev,
 	if (ret < 0)
 		rv = ret;
 	else
-		sensor->data = regval;
+		sensor->data = -ENODATA;
 	mutex_unlock(&data->update_lock);
 	return rv;
 }