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From: Yinghai Lu <yhlu.kernel.send@gmail.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>, Ingo Molnar <mingo@elte.hu>
Cc: kernel list <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86_64: don't need set default res if only have one root bus
Date: Fri, 11 Apr 2008 15:14:52 -0700	[thread overview]
Message-ID: <200804111514.53680.yhlu.kernel@gmail.com> (raw)

only one root bus, don't need to split that root resources.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>

diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c
index 7ed7f51..c433982 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/k8-bus_64.c
@@ -69,7 +69,8 @@ void set_pci_bus_resources_arch_default(struct pci_bus *b)
 	int j;
 	struct pci_root_info *info;
 
-	if (!pci_root_num)
+	/* if only one root bus, don't need to anything */
+	if (pci_root_num < 2)
 		return;
 
 	for (i = 0; i < pci_root_num; i++) {

             reply	other threads:[~2008-04-11 22:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-11 22:14 Yinghai Lu [this message]
2008-04-11 22:54 ` Rafael J. Wysocki
2008-04-13  7:47   ` Ingo Molnar

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