diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 4eac2670bfa1a016679971f36ad698fe1d9f6a4e..92f20832fd28770c16ab9d34c5560efce2a888c6 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -78,6 +78,7 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
 
 struct iommu_domain;
 struct msi_msg;
+struct device;
 
 static inline int iommu_dma_init(void)
 {