#ifndef __OF_IOMMU_H
#define __OF_IOMMU_H
-#include <linux/device.h>
-#include <linux/iommu.h>
-#include <linux/of.h>
+struct device;
+struct device_node;
+struct iommu_ops;
#ifdef CONFIG_OF_IOMMU
-extern int of_get_dma_window(struct device_node *dn, const char *prefix,
- int index, unsigned long *busno, dma_addr_t *addr,
- size_t *size);
-
extern const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np,
const u32 *id);
#else
-static inline int of_get_dma_window(struct device_node *dn, const char *prefix,
- int index, unsigned long *busno, dma_addr_t *addr,
- size_t *size)
-{
- return -EINVAL;
-}
-
static inline const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np,
const u32 *id)