diff --git a/[refs] b/[refs]
index 06cb69d50d50..fc31ef0590f5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7dd145252574e34d92ad574e5168e4115639c0be
+refs/heads/master: 88b386c0a7c278581d2b8e2c2761d12f6475938d
diff --git a/trunk/drivers/dma/of-dma.c b/trunk/drivers/dma/of-dma.c
index 583e50e3d47c..69d04d28b1ef 100644
--- a/trunk/drivers/dma/of-dma.c
+++ b/trunk/drivers/dma/of-dma.c
@@ -118,7 +118,9 @@ int of_dma_controller_register(struct device_node *np,
 	ofdma->use_count = 0;
 
 	/* Now queue of_dma controller structure in list */
+	spin_lock(&of_dma_lock);
 	list_add_tail(&ofdma->of_dma_controllers, &of_dma_list);
+	spin_unlock(&of_dma_lock);
 
 	return 0;
 }