x86/PCI: Don't try to move IORESOURCE_PCI_FIXED resources

Don't attempt to move resource marked IORESOURCE_PCI_FIXED, even if
pci_claim_resource() fails.  In some cases, these are legacy resources that
cannot be moved.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

arch/x86/pci/i386.c

@@ -271,6 +271,10 @@ static void pcibios_allocate_dev_resources(struct pci_dev *dev, int pass)
 					"BAR %d: reserving %pr (d=%d, p=%d)\n",
 					idx, r, disabled, pass);
 				if (pci_claim_resource(dev, idx) < 0) {
+					if (r->flags & IORESOURCE_PCI_FIXED) {
+						dev_info(&dev->dev, "BAR %d %pR is immovable\n",
+							 idx, r);
+					} else {
 						/* We'll assign a new address later */
 						pcibios_save_fw_addr(dev,
 								idx, r->start);
@@ -279,6 +283,7 @@ static void pcibios_allocate_dev_resources(struct pci_dev *dev, int pass)
 					}
 				}
 			}
+		}
 	if (!pass) {
 		r = &dev->resource[PCI_ROM_RESOURCE];
 		if (r->flags & IORESOURCE_ROM_ENABLE) {