diff --git a/drivers/misc/cb710/sgbuf2.c b/drivers/misc/cb710/sgbuf2.c
index dfd2969e3628..e5a4ed3701eb 100644
--- a/drivers/misc/cb710/sgbuf2.c
+++ b/drivers/misc/cb710/sgbuf2.c
@@ -117,6 +117,7 @@ static void sg_dwiter_write_slow(struct sg_mapping_iter *miter, uint32_t data)
 /**
  * cb710_sg_dwiter_write_next_block() - write next 32-bit word to sg buffer
  * @miter: sg mapping iterator used for writing
+ * @data: data to write to sg buffer
  *
  * Description:
  *   Writes 32-bit word starting at byte pointed to by @miter@