diff --git a/arch/arm64/include/asm/dma-iommu.h b/arch/arm64/include/asm/dma-iommu.h
index a8c56acc8c98..4bba210fb51a 100644
--- a/arch/arm64/include/asm/dma-iommu.h
+++ b/arch/arm64/include/asm/dma-iommu.h
@@ -22,6 +22,8 @@ struct dma_iommu_mapping {
 	struct kref		kref;
 };
 
+#ifdef CONFIG_ARM64_DMA_USE_IOMMU
+
 struct dma_iommu_mapping *
 arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size,
 			 int order);
@@ -32,5 +34,30 @@ int arm_iommu_attach_device(struct device *dev,
 					struct dma_iommu_mapping *mapping);
 void arm_iommu_detach_device(struct device *dev);
 
+#else  /* !CONFIG_ARM64_DMA_USE_IOMMU */
+
+static inline struct dma_iommu_mapping *
+arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size,
+			int order)
+{
+	return NULL;
+}
+
+static inline void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping)
+{
+}
+
+static inline int arm_iommu_attach_device(struct device *dev,
+			struct dma_iommu_mapping *mapping)
+{
+	return -ENODEV;
+}
+
+static inline void arm_iommu_detach_device(struct device *dev)
+{
+}
+
+#endif	/* CONFIG_ARM64_DMA_USE_IOMMU */
+
 #endif /* __KERNEL__ */
 #endif