-#ifdef CONFIG_NOT_COHERENT_CACHE
-
-#define dma_cache_inv(_start,_size) \
- invalidate_dcache_range(_start, (_start + _size))
-#define dma_cache_wback(_start,_size) \
- clean_dcache_range(_start, (_start + _size))
-#define dma_cache_wback_inv(_start,_size) \
- flush_dcache_range(_start, (_start + _size))
-
-#else /* CONFIG_NOT_COHERENT_CACHE */
-
-#define dma_cache_inv(_start,_size) do { } while (0)
-#define dma_cache_wback(_start,_size) do { } while (0)
-#define dma_cache_wback_inv(_start,_size) do { } while (0)
-
-#endif /* !CONFIG_NOT_COHERENT_CACHE */
-