projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; | |
| 21 | if (!dev || !dma_contiguous_default_area) | |
| 22 | dma_contiguous_default_area = cma; | |
| 23 | } | |
| 24 | ||
| 25 | #endif | |
| 26 | #endif | |
| 27 | ||
| 28 | #endif |