1#ifndef ASM_DMA_CONTIGUOUS_H
 2#define ASM_DMA_CONTIGUOUS_H
 3
 4#ifdef __KERNEL__
 5#ifdef CONFIG_CMA
 6
 7#include <linux/device.h>
 8#include <linux/dma-contiguous.h>
 9
10static inline struct cma *dev_get_cma_area(struct device *dev)
11{
12	if (dev && dev->cma_area)
13		return dev->cma_area;
14	return dma_contiguous_default_area;
15}
16
17static inline void dev_set_cma_area(struct device *dev, struct cma *cma)
18{
19	if (dev)
20		dev->cma_area = cma;
21	if (!dev && !dma_contiguous_default_area)
22		dma_contiguous_default_area = cma;
23}
24
25#endif
26#endif
27
28#endif