linux-kernel - [PATCH] x86/pci: make pci=lastbus=255 work when acpi is on

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Message-ID: <49CA9365.9090003@kernel.org>
Date:	Wed, 25 Mar 2009 13:26:13 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/pci: make pci=lastbus=255 work when acpi is on


Impact: scan more peer root buses even acpi is used

move out pci_bios_fixup_peer_bridges of pci_legacy_init.
so pci_bios_fixup_peer_bridges could be called even pci_apci_init is called.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 arch/x86/pci/legacy.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Index: linux-2.6/arch/x86/pci/legacy.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/legacy.c
+++ linux-2.6/arch/x86/pci/legacy.c
@@ -50,8 +50,6 @@ static int __init pci_legacy_init(void)
 	if (pci_root_bus)
 		pci_bus_add_devices(pci_root_bus);
 
-	pcibios_fixup_peer_bridges();
-
 	return 0;
 }
 
@@ -67,6 +65,7 @@ int __init pci_subsys_init(void)
 	pci_visws_init();
 #endif
 	pci_legacy_init();
+	pcibios_fixup_peer_bridges();
 	pcibios_irq_init();
 	pcibios_init();
 
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