1 /* DMA mapping routines for the MN10300 arch 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 #ifndef _ASM_DMA_MAPPING_H 12 #define _ASM_DMA_MAPPING_H 13 14 #include <asm/cache.h> 15 #include <asm/io.h> 16 17 extern const struct dma_map_ops mn10300_dma_ops; 18 get_arch_dma_ops(struct bus_type * bus)19static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) 20 { 21 return &mn10300_dma_ops; 22 } 23 24 static inline dma_cache_sync(void * vaddr,size_t size,enum dma_data_direction direction)25void dma_cache_sync(void *vaddr, size_t size, 26 enum dma_data_direction direction) 27 { 28 mn10300_dcache_flush_inv(); 29 } 30 31 #endif 32