of_iommu.h

Go to the documentation of this file.

#ifndef __OF_IOMMU_H
#define __OF_IOMMU_H

#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);

#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;
}

#endif  /* CONFIG_OF_IOMMU */

#endif /* __OF_IOMMU_H */