From 5f0b2976cb2b62668a076f54419c24b8ab677167 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Mon, 14 Apr 2008 16:08:25 -0700
Subject: x86: add pci=check_enable_amd_mmconf and dmi check

so will disable that feature by default, and only enable that via
pci=check_enable_amd_mmconf or for system match with dmi table.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/pci/common.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/x86/pci/common.c')

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 07d5318..2a4d751 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -425,6 +425,10 @@ char * __devinit  pcibios_setup(char *str)
 		pci_probe &= ~PCI_PROBE_MMCONF;
 		return NULL;
 	}
+	else if (!strcmp(str, "check_enable_amd_mmconf")) {
+		pci_probe |= PCI_CHECK_ENABLE_AMD_MMCONF;
+		return NULL;
+	}
 #endif
 	else if (!strcmp(str, "noacpi")) {
 		acpi_noirq_set();
-- 
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