diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 4dfce15..ba66f8c 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -51,11 +51,11 @@
  */
 void
 pcibios_align_resource(void *data, struct resource *res,
-		       unsigned long size, unsigned long align)
+		       resource_size_t size, resource_size_t align)
 {
 	struct pci_dev *dev = data;
 	struct pci_controller *hose = dev->sysdata;
-	unsigned long start = res->start;
+	resource_size_t start = res->start;
 
 	if (res->flags & IORESOURCE_IO) {
 		/* Make sure we start at our min on all hoses */