diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index e8400042b358..4dda23f22a67 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -63,6 +63,7 @@ enum xiic_endian {
  * @state:	See STATE_
  * @rx_msg:	Current RX message
  * @rx_pos:	Position within current RX message
+ * @endianness: big/little-endian byte order
  */
 struct xiic_i2c {
 	void __iomem		*base;