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