--- zzzz-none-000/linux-4.4.271/arch/arm/mm/dma.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/arm/mm/dma.h	2023-04-19 10:22:27.000000000 +0000
@@ -4,9 +4,6 @@
 #include <asm/glue-cache.h>
 
 #ifndef MULTI_CACHE
-#define dmac_map_area			__glue(_CACHE,_dma_map_area)
-#define dmac_unmap_area 		__glue(_CACHE,_dma_unmap_area)
-
 /*
  * These are private to the dma-mapping API.  Do not use directly.
  * Their sole purpose is to ensure that data held in the cache