diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 027f1d7..2dbc930 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1048,6 +1048,10 @@
 	if (!req)
 		return true;
 
+	/* Return if req is running */
+	if (idx == thrd->req_running)
+		return true;
+
 	desc = req->desc;
 
 	ns = desc->rqcfg.nonsecure ? 1 : 0;
@@ -1587,6 +1591,8 @@
 			descdone = thrd->req[active].desc;
 			thrd->req[active].desc = NULL;
 
+			thrd->req_running = -1;
+
 			/* Get going again ASAP */
 			_start(thrd);