1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __OF_IOMMU_H 3 #define __OF_IOMMU_H 4 5 struct device; 6 struct device_node; 7 struct iommu_ops; 8 9 #ifdef CONFIG_OF_IOMMU 10 11 extern int of_iommu_configure(struct device *dev, struct device_node *master_np, 12 const u32 *id); 13 14 extern void of_iommu_get_resv_regions(struct device *dev, 15 struct list_head *list); 16 17 #else 18 19 static inline int of_iommu_configure(struct device *dev, 20 struct device_node *master_np, 21 const u32 *id) 22 { 23 return -ENODEV; 24 } 25 26 static inline void of_iommu_get_resv_regions(struct device *dev, 27 struct list_head *list) 28 { 29 } 30 31 #endif /* CONFIG_OF_IOMMU */ 32 33 #endif /* __OF_IOMMU_H */ 34
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