summaryrefslogtreecommitdiff
path: root/include/linux/of_iommu.h
blob: 9a5e6b410dd2fb154c40da4139514c0945f6e370 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* 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 const struct iommu_ops *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 const struct iommu_ops *of_iommu_configure(struct device *dev,
					 struct device_node *master_np,
					 const u32 *id)
{
	return NULL;
}

static inline void of_iommu_get_resv_regions(struct device *dev,
					     struct list_head *list)
{
}

#endif	/* CONFIG_OF_IOMMU */

#endif /* __OF_IOMMU_H */