extern struct pci_bus *pci_root_bus;
extern struct pci_ops pci_root_ops;
+void pcibios_scan_specific_bus(int busn);
+
/* pci-irq.c */
struct irq_info {
extern unsigned int pcibios_irq_mask;
-extern spinlock_t pci_config_lock;
+extern raw_spinlock_t pci_config_lock;
extern int (*pcibios_enable_irq)(struct pci_dev *dev);
extern void (*pcibios_disable_irq)(struct pci_dev *dev);