linux-kernel - [PATCH 1/4] powerpc: Add Kconfig dependency for PCI

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Message-Id: <1258459659-11770-2-git-send-email-mel@csn.ul.ie>
Date:	Tue, 17 Nov 2009 12:07:36 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	Mel Gorman <mel@....ul.ie>
Subject: [PATCH 1/4] powerpc: Add Kconfig dependency for PCI_MSI as needed by XICS

It's possible to set CONFIG_XICS without CONFIG_PCI_MSI. When that
happens, the kernel fails to build with

arch/powerpc/platforms/built-in.o: In function `.xics_startup':
xics.c:(.text+0x12f60): undefined reference to `.unmask_msi_irq'
make: *** [.tmp_vmlinux1] Error 1

This patch adds the dependency in KConfig.

Signed-off-by: Mel Gorman <mel@....ul.ie>
---
 arch/powerpc/platforms/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 04a8061..21a1fa1 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -52,7 +52,7 @@ config PPC_UDBG_BEAT
 	default n
 
 config XICS
-	depends on PPC_PSERIES
+	depends on PPC_PSERIES && PCI_MSI
 	bool
 	default y
 
-- 
1.6.5

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