OpenCloudOS-Kernel/include/linux/of_iommu.h

35 lines
703 B
C

/* 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 */