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-rw-r--r--arch/x86/pci/common.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 8c362b96b64..2202b6257b8 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -147,10 +147,13 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
* are examined.
*/
-void __devinit pcibios_fixup_bus(struct pci_bus *b)
+void __devinit pcibios_fixup_bus(struct pci_bus *b)
{
struct pci_dev *dev;
+ /* root bus? */
+ if (!b->parent)
+ x86_pci_root_bus_res_quirks(b);
pci_read_bridge_bases(b);
list_for_each_entry(dev, &b->devices, bus_list)
pcibios_fixup_device_resources(dev);