linux-kernel - [PATCH] PCI MMConfig: Only call unreachable

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Date:	Thu, 7 Dec 2006 15:50:24 +0100
From:	Olivier Galibert <galibert@...ox.com>
To:	Andi Kleen <ak@...e.de>, linux-pci@...ey.karlin.mff.cuni.cz,
	"Hack inc." <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: [PATCH] PCI MMConfig: Only call unreachable_devices() when type 1 is available.

unreachable_devices compares between the results of pci configuration
accesses through type1 and mmconfig, so it should be called only if
type1 actually works in the first place.

Signed-off-by: Olivier Galibert <galibert@...ox.com>
---
 arch/i386/pci/mmconfig-shared.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/i386/pci/mmconfig-shared.c b/arch/i386/pci/mmconfig-shared.c
index 4ca3f5a..7a8a498 100644
--- a/arch/i386/pci/mmconfig-shared.c
+++ b/arch/i386/pci/mmconfig-shared.c
@@ -82,7 +82,8 @@ void __init pci_mmcfg_init(int type)
 	}
 
 	if (pci_mmcfg_arch_init()) {
-		unreachable_devices();
+		if (type == 1)
+			unreachable_devices();
 		pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 	}
 }
-- 
1.4.4.1.g278f

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