[linux-2.6-block.git] / include / linux / of_iommu.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
4e0ee78f HD	2	#ifndef __OF_IOMMU_H
	3	#define __OF_IOMMU_H
	4
bb6bfd79 RH	5	struct device;
	6	struct device_node;
	7	struct iommu_ops;
1cd076bf	8
4e0ee78f HD	9	#ifdef CONFIG_OF_IOMMU
4e0ee78f HD	10
6ff6e184 JG	11	extern int of_iommu_configure(struct device dev, struct device_node master_np,
6ff6e184 JG	12	const u32 *id);
1cd076bf	13
a5bf3cfc TR	14	extern void of_iommu_get_resv_regions(struct device *dev,
	15	struct list_head *list);
	16
4e0ee78f HD	17	#else
4e0ee78f HD	18
6ff6e184 JG	19	static inline int of_iommu_configure(struct device *dev,
	20	struct device_node *master_np,
	21	const u32 *id)
7eba1d51	22	{
6ff6e184	23	return -ENODEV;
7eba1d51	24	}
1cd076bf	25
a5bf3cfc TR	26	static inline void of_iommu_get_resv_regions(struct device *dev,
	27	struct list_head *list)
	28	{
	29	}
	30
4e0ee78f HD	31	#endif /* CONFIG_OF_IOMMU */
	32
	33	#endif /* __OF_IOMMU_H */