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
of_get_dma_window(struct device_node * dn,const char * prefix,int index,unsigned long * busno,dma_addr_t * addr,size_t * size)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 */
22