diff --git a/mcs/openamp_demo/rpmsg_main.c b/mcs/openamp_demo/rpmsg_main.c
index cd51d9c88e1d9064d70c820d4c96021aeb5b3b16..037ec8e9fbc96a4237ef26e12dd72f865777efef 100644
--- a/mcs/openamp_demo/rpmsg_main.c
+++ b/mcs/openamp_demo/rpmsg_main.c
@@ -57,7 +57,7 @@ static int load_bin(void)
 }
 
 static struct remoteproc *rproc_init(struct remoteproc *rproc,
-                                    const struct remoteproc_ops *ops, void *arg)
+                                    struct remoteproc_ops *ops, void *arg)
 {
     struct rproc_priv *priv;
     unsigned int id = *((unsigned int *)arg);
diff --git a/mcs/openamp_demo/rpmsg_ping.c b/mcs/openamp_demo/rpmsg_ping.c
index b5423f3a9b0c43fc6d12ead0437e29aa754de421..6cea999abbefa3aa2b4ad203511ade24a4f75792 100644
--- a/mcs/openamp_demo/rpmsg_ping.c
+++ b/mcs/openamp_demo/rpmsg_ping.c
@@ -176,7 +176,7 @@ void rpmsg_app_master(void)
 		return;
 	}
 
-	vdev.role = RPMSG_HOST;
+	vdev.role = RPMSG_MASTER;
 	vdev.vrings_num = VRING_COUNT;
 	vdev.func = &dispatch;
 	rvrings[0].io = io;