/* Don't touch classless devices or host bridges or ioapics. */
if (class == PCI_CLASS_NOT_DEFINED ||
- class == PCI_CLASS_BRIDGE_HOST ||
- class == PCI_CLASS_SYSTEM_PIC)
+ class == PCI_CLASS_BRIDGE_HOST)
continue;
+ /* Don't touch ioapic devices already enabled by firmware */
+ if (class == PCI_CLASS_SYSTEM_PIC) {
+ u16 command;
+ pci_read_config_word(dev, PCI_COMMAND, &command);
+ if (command & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY))
+ continue;
+ }
+
pdev_sort_resources(dev, &head);
}
order = __ffs(align) - 20;
if (order > 11) {
printk(KERN_WARNING "PCI: region %s/%d "
- "too large: %lx-%lx\n",
- pci_name(dev), i, r->start, r->end);
+ "too large: %llx-%llx\n",
+ pci_name(dev), i,
+ (unsigned long long)r->start,
+ (unsigned long long)r->end);
r->flags = 0;
continue;
}