blob: 3fc1170a64880cdfc495fb3aca16fe8904d807b3 [file] [log] [blame]
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
* Copyright (C) 2003 - 2005 Tensilica Inc.
* Copyright (C) 2015 Cadence Design Systems Inc.
#include <asm/cache.h>
#include <asm/io.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
extern struct dma_map_ops xtensa_dma_map_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
if (dev && dev->archdata.dma_ops)
return dev->archdata.dma_ops;
return &xtensa_dma_map_ops;
void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction);
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
return (dma_addr_t)paddr;
static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
return (phys_addr_t)daddr;
#endif /* _XTENSA_DMA_MAPPING_H */