linux-kernel - [PATCH] iommu-api: Add missing header file

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Message-Id: <1307568552-9239-1-git-send-email-lauraa@codeaurora.org>
Date:	Wed,  8 Jun 2011 14:29:11 -0700
From:	Laura Abbott <lauraa@...eaurora.org>
To:	iommu@...ts.linux-foundation.org, Tom Lyon <pugs@...co.com>,
	Joerg Roedel <joerg.roedel@....com>
Cc:	Laura Abbott <lauraa@...eaurora.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...eaurora.org>
---
 include/linux/iommu.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 0a2ba40..9940319 100644
--- a/include/linux/iommu.h
+++ b/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 */
--
1.7.3.3

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