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: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Laura Abbott · Joerg Roedel
1 parent 2c53b436a3
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
include/linux/iommu.h
@@ -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 */
...	...	@@ -19,6 +19,8 @@
19	19	#ifndef __LINUX_IOMMU_H
20	20	#define __LINUX_IOMMU_H
21	21
	22	+#include <linux/errno.h>
	23	+
22	24	#define IOMMU_READ (1)
23	25	#define IOMMU_WRITE (2)
24	26	#define IOMMU_CACHE (4) /* DMA cache coherency */