-int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,
- int where, u8 *val);
-int early_read_config_word(struct pci_controller *hose, int bus, int dev_fn,
- int where, u16 *val);
-int early_read_config_dword(struct pci_controller *hose, int bus, int dev_fn,
- int where, u32 *val);
-int early_write_config_byte(struct pci_controller *hose, int bus, int dev_fn,
- int where, u8 val);
-int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn,
- int where, u16 val);
-int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn,
- int where, u32 val);
+extern int early_read_config_byte(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u8 *val);
+extern int early_read_config_word(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u16 *val);
+extern int early_read_config_dword(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u32 *val);
+extern int early_write_config_byte(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u8 val);
+extern int early_write_config_word(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u16 val);
+extern int early_write_config_dword(struct pci_controller *hose, int bus,
+ int dev_fn, int where, u32 val);