diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index eec9738..eb219a1 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -21,7 +21,7 @@
 static void __init
 pdev_fixup_irq(struct pci_dev *dev,
 	       u8 (*swizzle)(struct pci_dev *, u8 *),
-	       int (*map_irq)(struct pci_dev *, u8, u8))
+	       int (*map_irq)(const struct pci_dev *, u8, u8))
 {
 	u8 pin, slot;
 	int irq = 0;
@@ -56,7 +56,7 @@
 
 void __init
 pci_fixup_irqs(u8 (*swizzle)(struct pci_dev *, u8 *),
-	       int (*map_irq)(struct pci_dev *, u8, u8))
+	       int (*map_irq)(const struct pci_dev *, u8, u8))
 {
 	struct pci_dev *dev = NULL;
 	for_each_pci_dev(dev)