| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __OF_IOMMU_H |
| #define __OF_IOMMU_H |
| |
| struct device; |
| struct device_node; |
| struct iommu_ops; |
| |
| #ifdef CONFIG_OF_IOMMU |
| |
| extern int of_iommu_configure(struct device *dev, struct device_node *master_np, |
| const u32 *id); |
| |
| extern void of_iommu_get_resv_regions(struct device *dev, |
| struct list_head *list); |
| |
| #else |
| |
| static inline int of_iommu_configure(struct device *dev, |
| struct device_node *master_np, |
| const u32 *id) |
| { |
| return -ENODEV; |
| } |
| |
| static inline void of_iommu_get_resv_regions(struct device *dev, |
| struct list_head *list) |
| { |
| } |
| |
| #endif /* CONFIG_OF_IOMMU */ |
| |
| #endif /* __OF_IOMMU_H */ |