of_iommu.h

 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 */