--- zzzz-none-000/linux-4.4.271/arch/arm64/include/asm/device.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/arm64/include/asm/device.h	2023-04-19 10:22:27.000000000 +0000
@@ -17,10 +17,11 @@
 #define __ASM_DEVICE_H
 
 struct dev_archdata {
-	struct dma_map_ops *dma_ops;
+	const struct dma_map_ops *dma_ops;
 #ifdef CONFIG_IOMMU_API
 	void *iommu;			/* private IOMMU data */
 #endif
+	struct dma_iommu_mapping	*mapping;
 	bool dma_coherent;
 };