| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __OF_IOMMU_H |
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| 3 | #define __OF_IOMMU_H |
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| 4 | |
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| 5 | struct device; |
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| 6 | struct device_node; |
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| 7 | struct iommu_ops; |
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| 8 | |
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| 9 | #ifdef CONFIG_OF_IOMMU |
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| 10 | |
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| 11 | extern const struct iommu_ops *of_iommu_configure(struct device *dev, |
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| 12 | struct device_node *master_np, |
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| 13 | const u32 *id); |
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| 14 | |
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| 15 | extern void of_iommu_get_resv_regions(struct device *dev, |
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| 16 | struct list_head *list); |
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| 17 | |
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| 18 | #else |
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| 19 | |
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| 20 | static inline const struct iommu_ops *of_iommu_configure(struct device *dev, |
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| 21 | struct device_node *master_np, |
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| 22 | const u32 *id) |
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| 23 | { |
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| 24 | return NULL; |
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| 25 | } |
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| 26 | |
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| 27 | static inline void of_iommu_get_resv_regions(struct device *dev, |
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| 28 | struct list_head *list) |
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| 29 | { |
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| 30 | } |
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| 31 | |
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| 32 | #endif /* CONFIG_OF_IOMMU */ |
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| 33 | |
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| 34 | #endif /* __OF_IOMMU_H */ |
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| 35 | |
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