| Hiroshi Doyu | 4e0ee78 | 2012-06-25 14:23:54 +0300 | [diff] [blame] | 1 | #ifndef __OF_IOMMU_H |
| 2 | #define __OF_IOMMU_H |
| 3 | |
| 4 | #ifdef CONFIG_OF_IOMMU |
| 5 | |
| 6 | extern int of_get_dma_window(struct device_node *dn, const char *prefix, |
| 7 | int index, unsigned long *busno, dma_addr_t *addr, |
| 8 | size_t *size); |
| 9 | |
| 10 | #else |
| 11 | |
| 12 | static inline int of_get_dma_window(struct device_node *dn, const char *prefix, |
| 13 | int index, unsigned long *busno, dma_addr_t *addr, |
| 14 | size_t *size) |
| 15 | { |
| 16 | return -EINVAL; |
| 17 | } |
| 18 | |
| 19 | #endif /* CONFIG_OF_IOMMU */ |
| 20 | |
| 21 | #endif /* __OF_IOMMU_H */ |