Commit 4cf19463 authored Apr 11, 2008 by Yinghai Lu Committed by Ingo Molnar Apr 26, 2008

x86_64: don't need set default res if only have one root bus

if there's only one root bus there's no need to split resources.

This patch fixes the issue described at:

  http://lkml.org/lkml/2008/4/10/304



Reported-and-bisected-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
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>

parent 6e184f29

arch/x86/pci/k8-bus_64.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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++) {