diff --git a/include/linux/pci.h b/include/linux/pci.h
index a59517b..509159b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -667,7 +667,7 @@
 
 void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
 		  void *userdata);
-int pci_cfg_space_size_ext(struct pci_dev *dev, unsigned check_exp_pcix);
+int pci_cfg_space_size_ext(struct pci_dev *dev);
 int pci_cfg_space_size(struct pci_dev *dev);
 unsigned char pci_bus_max_busnr(struct pci_bus *bus);