linux-kernel - [PATCH] x86/mrst: correct pin to irq mapping

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Date:	Thu,  7 Apr 2011 11:32:52 -0700
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Feng Tang <feng.tang@...el.com>,
	Alan Cox <alan@...ux.intel.com>,
	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: [PATCH] x86/mrst: correct pin to irq mapping

Set mp_bus_not_pci bit to allow 1:1 mapping of pin2irq on Moorestown.
Refer to discussion in:
https://lkml.org/lkml/2010/6/10/70

Suggested-by: "Eric W. Biederman" <ebiederm@...ssion.com>

Signed-off-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>
---
 arch/x86/platform/mrst/mrst.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 5c0207b..d51d644 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -282,7 +282,7 @@ void __init x86_mrst_early_setup(void)
 	/* Avoid searching for BIOS MP tables */
 	x86_init.mpparse.find_smp_config = x86_init_noop;
 	x86_init.mpparse.get_smp_config = x86_init_uint_noop;
-
+	set_bit(0, mp_bus_not_pci);
 }
 
 /*
-- 
1.7.1

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