diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 8bbcbfe7695cf82aabda359b7a9036527e4951b3..381ca5a37a7b7de9b338236b28202c6c46f306df 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -25,6 +25,7 @@
 #include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/barrier.h>