diff --git a/src/devices/pciexp_device.c b/src/devices/pciexp_device.c
index f304545..0349f96 100644
--- a/src/devices/pciexp_device.c
+++ b/src/devices/pciexp_device.c
@@ -26,13 +26,12 @@
 
 static void pciexp_tune_dev(device_t dev)
 {
-	unsigned cap;
+	unsigned int cap;
 
 	cap = pci_find_capability(dev, PCI_CAP_ID_PCIE);
-	if (!cap) {
-		/* error... */
+	if (!cap)
 		return;
-	}
+
 #ifdef CONFIG_PCIE_TUNING
 	printk(BIOS_DEBUG, "PCIe: tuning %s\n", dev_path(dev));
 
@@ -45,16 +44,16 @@
 #endif
 }
 
-unsigned int pciexp_scan_bus(struct bus *bus,
-	unsigned min_devfn, unsigned max_devfn,
-	unsigned int max)
+unsigned int pciexp_scan_bus(struct bus *bus, unsigned int min_devfn,
+			     unsigned int max_devfn, unsigned int max)
 {
 	device_t child;
+
 	max = pci_scan_bus(bus, min_devfn, max_devfn, max);
-	for(child = bus->children; child; child = child->sibling) {
-		if (	(child->path.pci.devfn < min_devfn) ||
-			(child->path.pci.devfn > max_devfn))
-		{
+
+	for (child = bus->children; child; child = child->sibling) {
+		if ((child->path.pci.devfn < min_devfn) ||
+		    (child->path.pci.devfn > max_devfn)) {
 			continue;
 		}
 		pciexp_tune_dev(child);
@@ -76,8 +75,8 @@
 	.read_resources   = pci_bus_read_resources,
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = pci_bus_enable_resources,
-	.init		  = 0,
-	.scan_bus	  = pciexp_scan_bridge,
+	.init             = 0,
+	.scan_bus         = pciexp_scan_bridge,
 	.enable           = 0,
 	.reset_bus        = pci_bus_reset,
 	.ops_pci          = &pciexp_bus_ops_pci,