include/linux/of_iommu.h

   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 const struct iommu_ops *of_iommu_configure(struct device *dev,
  12                                         struct device_node *master_np,
  13                                         const u32 *id);
  14
  15 #else
  16
  17 static inline const struct iommu_ops *of_iommu_configure(struct device *dev,
  18                                          struct device_node *master_np,
  19                                          const u32 *id)
  20 {
  21         return NULL;
  22 }
  23
  24 #endif  /* CONFIG_OF_IOMMU */
  25
  26 #endif /* __OF_IOMMU_H */