--- zzzz-none-000/linux-4.4.60/arch/arm/mm/dma.h	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/arch/arm/mm/dma.h	2022-03-30 14:21:51.000000000 +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