PCI: Fix types in pbus_size_io()

This patch changes the type of "size" to resource_size_t and makes the
corresponding dev_printk() change.

[bhelgaas: changelog]
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 939ca1b..d4f1ad9 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -747,7 +747,7 @@
 {
 	struct pci_dev *dev;
 	struct resource *b_res = find_free_bus_resource(bus, IORESOURCE_IO);
-	unsigned long size = 0, size0 = 0, size1 = 0;
+	resource_size_t size = 0, size0 = 0, size1 = 0;
 	resource_size_t children_add_size = 0;
 	resource_size_t min_align, io_align, align;
 
@@ -807,8 +807,9 @@
 		add_to_list(realloc_head, bus->self, b_res, size1-size0,
 			    min_align);
 		dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
-				 "%pR to %pR add_size %lx\n", b_res,
-				 &bus->busn_res, size1-size0);
+				 "%pR to %pR add_size %llx\n", b_res,
+				 &bus->busn_res,
+				 (unsigned long long)size1-size0);
 	}
 }