1#ifndef _ASM_M32R_DMA_MAPPING_H
 2#define _ASM_M32R_DMA_MAPPING_H
 3
 4#include <linux/kernel.h>
 5#include <linux/types.h>
 6#include <linux/mm.h>
 7#include <linux/scatterlist.h>
 8#include <linux/dma-debug.h>
 9#include <linux/io.h>
10
11#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
12
13static inline struct dma_map_ops *get_dma_ops(struct device *dev)
14{
15	if (dev && dev->archdata.dma_ops)
16		return dev->archdata.dma_ops;
17	return &dma_noop_ops;
18}
19
20static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
21				  enum dma_data_direction direction)
22{
23}
24
25static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
26{
27	if (!dev->dma_mask)
28		return false;
29	return addr + size - 1 <= *dev->dma_mask;
30}
31
32#endif /* _ASM_M32R_DMA_MAPPING_H */