[linux-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 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 */
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
53c92d79	11	extern const struct iommu_ops of_iommu_configure(struct device dev,
a081bd4a LP	12	struct device_node *master_np,
a081bd4a LP	13	const u32 *id);
1cd076bf	14
a5bf3cfc TR	15	extern void of_iommu_get_resv_regions(struct device *dev,
	16	struct list_head *list);
	17
4e0ee78f HD	18	#else
4e0ee78f HD	19
53c92d79	20	static inline const struct iommu_ops of_iommu_configure(struct device dev,
a081bd4a LP	21	struct device_node *master_np,
a081bd4a LP	22	const u32 *id)
7eba1d51 WD	23	{
	24	return NULL;
	25	}
1cd076bf	26
a5bf3cfc TR	27	static inline void of_iommu_get_resv_regions(struct device *dev,
	28	struct list_head *list)
	29	{
	30	}
	31
4e0ee78f HD	32	#endif /* CONFIG_OF_IOMMU */
	33
	34	#endif /* __OF_IOMMU_H */