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