staging: mei: adding mei_wd_stop function comment

Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/mei/wd.c b/drivers/staging/mei/wd.c
index b56b1cc1e8dc3189e4cac6a0076f0e9cd19d3d01..ffca7ca3265861c4ee825cdbb99174c39fbaa852 100644 (file)
--- a/drivers/staging/mei/wd.c
+++ b/drivers/staging/mei/wd.c
@@ -120,6 +120,16 @@ int mei_wd_send(struct mei_device *dev)
        return -EIO;
 }
 
+/**
+ * mei_wd_stop - sends watchdog stop message to fw.
+ *
+ * @dev: the device structure
+ * @preserve: indicate if to keep the timeout value
+ *
+ * returns 0 if success,
+ *     -EIO when message send fails
+ *     -EINVAL when invalid message is to be sent
+ */
 int mei_wd_stop(struct mei_device *dev, bool preserve)
 {
        int ret;