#define sbus_iounmap(__addr, __size) \
release_region((unsigned long)(__addr), (__size))
-/* Nothing to do */
-
-#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)
-
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access