[mirror_ubuntu-artful-kernel.git] / include / linux / of_iommu.h

#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 */
Commit	Line	Data
4e0ee78f HD	1	#ifndef __OF_IOMMU_H
	2	#define __OF_IOMMU_H
	3
	4	#ifdef CONFIG_OF_IOMMU
	5
	6	extern int of_get_dma_window(struct device_node dn, const char prefix,
	7	int index, unsigned long busno, dma_addr_t addr,
	8	size_t *size);
	9
	10	#else
	11
	12	static inline int of_get_dma_window(struct device_node dn, const char prefix,
	13	int index, unsigned long busno, dma_addr_t addr,
	14	size_t *size)
	15	{
	16	return -EINVAL;
	17	}
	18
	19	#endif /* CONFIG_OF_IOMMU */
	20
	21	#endif /* __OF_IOMMU_H */