diff --git a/arch/mips/pci/fixup-tx4938.c b/arch/mips/pci/fixup-tx4938.c
index 2485f47dfe6fec88fee4829389c6ed3805f778a4..f2ba06ee0c10f8d71897de805e8c2d682f45ea20 100644
--- a/arch/mips/pci/fixup-tx4938.c
+++ b/arch/mips/pci/fixup-tx4938.c
@@ -18,7 +18,7 @@
 
 extern struct pci_controller tx4938_pci_controller[];
 
-int pci_get_irq(struct pci_dev *dev, int pin)
+static int pci_get_irq(const struct pci_dev *dev, int pin)
 {
 	int irq = pin;
 	u8 slot = PCI_SLOT(dev->devfn);