If CONFIG_IOMMU_API is not defined some functions will just
return -ENODEV. Add errno.h for the definition of ENODEV.
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
#ifndef __LINUX_IOMMU_H
#define __LINUX_IOMMU_H
#ifndef __LINUX_IOMMU_H
#define __LINUX_IOMMU_H
+#include <linux/errno.h>
+
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
#define IOMMU_CACHE (4) /* DMA cache coherency */
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
#define IOMMU_CACHE (4) /* DMA cache coherency */