--- zzzz-none-000/linux-4.4.271/arch/arm64/include/asm/cacheflush.h	2021-06-03 06:22:09.000000000 +0000
+++ maple-fsgw-759/linux-4.4.271/arch/arm64/include/asm/cacheflush.h	2023-12-20 10:37:01.000000000 +0000
@@ -85,6 +85,12 @@
 extern void __dma_map_area(const void *, size_t, int);
 extern void __dma_unmap_area(const void *, size_t, int);
 extern void __dma_flush_range(const void *, const void *);
+extern void __dma_inv_range(const void *, const void *);
+extern void __dma_clean_range(const void *, const void *);
+
+extern void dmac_flush_range(const void *, const void *);
+extern void dmac_inv_range(const void *, const void *);
+extern void dmac_clean_range(const void *, const void *);
 
 /*
  * Copy user data from/to a page which is mapped into a different