linux-kernel - Re: linux-next: build failure after merge of the iommu tree

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Message-ID: <CAK=WgbbukmB_HBmfdzt9SQhHyQBbjKYb8xPZPB-vq6Pwu9gFQA@mail.gmail.com>
Date:	Mon, 29 Aug 2011 08:11:53 +0300
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Joerg Roedel <joro@...tes.org>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the iommu tree

On Mon, Aug 29, 2011 at 6:32 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> After merging the iommu tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/iommu/omap-iommu.c:27:24: fatal error: plat/iommu.h: No such file or directory
>
> Caused by commit fcf3a6ef4a58 ("omap: iommu/iovmm: move to dedicated
> iommu folder").  Presumably building of this code should be restricted to
> just some platforms only.

Thank you, Stephen, you're completely right of course.

Here is what we're missing (patch also attached):

>From 7a7949ca60bb0d58079b669733f9aa43015ba0f0 Mon Sep 17 00:00:00 2001
From: Ohad Ben-Cohen <ohad@...ery.com>
Date: Mon, 29 Aug 2011 07:57:44 +0300
Subject: [PATCH] iommu: omap: add Kconfig OMAP dependency

Make CONFIG_OMAP_IOMMU depend on CONFIG_ARCH_OMAP so other
allmodconfig builds won't fail.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com>
---
 drivers/iommu/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 432463b..d901930 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -110,6 +110,7 @@ config INTR_REMAP
 # OMAP IOMMU support
 config OMAP_IOMMU
 	bool "OMAP IOMMU Support"
+	depends on ARCH_OMAP
 	select IOMMU_API

 config OMAP_IOVMM
-- 
1.7.4.1

View attachment "0001-iommu-omap-add-Kconfig-OMAP-dependency.patch" of type "text/x-patch" (815 bytes)