hwmon: VRM is not read from registers

The VRM value is not read from chip registers, so there's no need
to update the device data cache before exporting the VRM value to
user-space.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index de4eb3e..b6f2ebf 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -832,7 +832,7 @@
 static ssize_t show_vrm_reg(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	struct w83791d_data *data = w83791d_update_device(dev);
+	struct w83791d_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n", data->vrm);
 }