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 const struct iommu_ops *of_iommu_configure(struct device *dev, |
12 | struct device_node *master_np, |
13 | const u32 *id); |
14 | |
15 | extern void of_iommu_get_resv_regions(struct device *dev, |
16 | struct list_head *list); |
17 | |
18 | #else |
19 | |
20 | static inline const struct iommu_ops *of_iommu_configure(struct device *dev, |
21 | struct device_node *master_np, |
22 | const u32 *id) |
23 | { |
24 | return NULL; |
25 | } |
26 | |
27 | static inline void of_iommu_get_resv_regions(struct device *dev, |
28 | struct list_head *list) |
29 | { |
30 | } |
31 | |
32 | #endif /* CONFIG_OF_IOMMU */ |
33 | |
34 | #endif /* __OF_IOMMU_H */ |
35 | |