[linux-2.6-block.git] / arch / m32r / include / asm / dma-mapping.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_M32R_DMA_MAPPING_H
#define _ASM_M32R_DMA_MAPPING_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <linux/io.h>

static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
	return &dma_noop_ops;
}

static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
				  enum dma_data_direction direction)
{
}

static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
	if (!dev->dma_mask)
		return false;
	return addr + size - 1 <= *dev->dma_mask;
}

#endif /* _ASM_M32R_DMA_MAPPING_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
eb17726b SM	2	#ifndef _ASM_M32R_DMA_MAPPING_H
	3	#define _ASM_M32R_DMA_MAPPING_H
	4
	5	#include <linux/kernel.h>
	6	#include <linux/types.h>
	7	#include <linux/mm.h>
	8	#include <linux/scatterlist.h>
	9	#include <linux/dma-debug.h>
	10	#include <linux/io.h>
	11
815dd187	12	static inline const struct dma_map_ops get_arch_dma_ops(struct bus_type bus)
eb17726b	13	{
eb17726b SM	14	return &dma_noop_ops;
	15	}
	16
	17	static inline void dma_cache_sync(struct device dev, void vaddr, size_t size,
	18	enum dma_data_direction direction)
	19	{
	20	}
	21
	22	static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
	23	{
	24	if (!dev->dma_mask)
	25	return false;
	26	return addr + size - 1 <= *dev->dma_mask;
	27	}
	28
	29	#endif /* _ASM_M32R_DMA_MAPPING_H */