From c8b9924211cba2daadb953b9a4bce402f0f3127e Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@novell.com>
Date: Wed, 23 Feb 2011 10:08:10 +0000
Subject: [PATCH] --- yaml --- r: 250092 b: refs/heads/master c:
 a3170c1f924ce2565c4e160b9b095e65c03b2dc6 h: refs/heads/master v: v3

---
 [refs]                               |  2 +-
 trunk/arch/x86/pci/mmconfig-shared.c | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 7cc79948c186..f8bc1a48ad87 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 51c2e0a7e5bc7ed1384cc68cfb95e702571500c9
+refs/heads/master: a3170c1f924ce2565c4e160b9b095e65c03b2dc6
diff --git a/trunk/arch/x86/pci/mmconfig-shared.c b/trunk/arch/x86/pci/mmconfig-shared.c
index e282886616a0..750c346ef50a 100644
--- a/trunk/arch/x86/pci/mmconfig-shared.c
+++ b/trunk/arch/x86/pci/mmconfig-shared.c
@@ -606,6 +606,16 @@ static void __init __pci_mmcfg_init(int early)
 	if (list_empty(&pci_mmcfg_list))
 		return;
 
+	if (pcibios_last_bus < 0) {
+		const struct pci_mmcfg_region *cfg;
+
+		list_for_each_entry(cfg, &pci_mmcfg_list, list) {
+			if (cfg->segment)
+				break;
+			pcibios_last_bus = cfg->end_bus;
+		}
+	}
+
 	if (pci_mmcfg_arch_init())
 		pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 	else {