Commit | Line | Data |
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c64be2bb MS |
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 | ||
10 | static 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 | ||
17 | static inline void dev_set_cma_area(struct device *dev, struct cma *cma) | |
18 | { | |
19 | if (dev) | |
20 | dev->cma_area = cma; | |
cc2caea5 | 21 | if (!dev && !dma_contiguous_default_area) |
c64be2bb MS |
22 | dma_contiguous_default_area = cma; |
23 | } | |
24 | ||
25 | #endif | |
26 | #endif | |
27 | ||
28 | #endif |