Commit 74315ccc authored by Laura Abbott's avatar Laura Abbott Committed by Joerg Roedel
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iommu-api: Add missing header file 



If CONFIG_IOMMU_API is not defined some functions will just
return -ENODEV. Add errno.h for the definition of ENODEV.

Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 2c53b436

include/linux/iommu.h

+2 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#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 */