diff --git a/include/linux/rio.h b/include/linux/rio.h
index 1a7b6c7787a5136c0c5617758c9df71ac0ceaee7..ba382f2b57ef1b6be5163e511b9a675f0542d092 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -236,6 +236,7 @@ enum rio_phy_type {
  * @phys_efptr: RIO port extended features pointer
  * @name: Port name string
  * @priv: Master port private data
+ * @dma: DMA device associated with mport
  */
 struct rio_mport {
 	struct list_head dbells;	/* list of doorbell events */
@@ -404,7 +405,7 @@ union rio_pw_msg {
 
 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
 
-/**
+/*
  * enum rio_write_type - RIO write transaction types used in DMA transfers
  *
  * Note: RapidIO specification defines write (NWRITE) and