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| author | Yinghai Lu <yhlu.kernel.send@gmail.com> | 2008-04-11 15:14:52 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 23:41:04 +0200 |
| commit | 4cf19463745fad81ef2eed3e4e0038da5fd153f8 (patch) | |
| tree | 8a840b0366a3d7a4881832efeeab06287fa55832 | |
| parent | 6e184f299d696203bc40545b9db216089d88bef7 (diff) | |
| download | blackbird-op-linux-4cf19463745fad81ef2eed3e4e0038da5fd153f8.tar.gz blackbird-op-linux-4cf19463745fad81ef2eed3e4e0038da5fd153f8.zip | |
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>
| -rw-r--r-- | arch/x86/pci/k8-bus_64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c index 84b2030fc2f0..4e64c58e17a0 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++) { |
