printf("\n");
 }
 
+static inline char *portspeed(int speed)
+{
+       if (speed == USB_SPEED_HIGH)
+               return "480 Mb/s";
+       else if (speed == USB_SPEED_LOW)
+               return "1.5 Mb/s";
+       else
+               return "12 Mb/s";
+}
+
 /* shows the device tree recursively */
 void usb_show_tree_graph(struct usb_device *dev, char *pre)
 {
        pre[index] = 0;
        printf(" %s (%s, %dmA)\n", usb_get_class_desc(
                                        dev->config.if_desc[0].bInterfaceClass),
-                                       dev->speed ? "1.5MBit/s" : "12MBit/s",
+                                       portspeed(dev->speed),
                                        dev->config.MaxPower * 2);
        if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial))
                printf(" %s  %s %s %s\n", pre, dev->mf, dev->prod, dev->serial);
 
                err = usb_string_sub(dev, 0, 0, tbuf);
                if (err < 0) {
                        USB_PRINTF("error getting string descriptor 0 " \
-                                  "(error=%x)\n", dev->status);
+                                  "(error=%lx)\n", dev->status);
                        return -1;
                } else if (tbuf[0] < 4) {
                        USB_PRINTF("string descriptor 0 too short\n");
 
 #define MAX_TRIES 5
 
+static inline char *portspeed(int portstatus)
+{
+       if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
+               return "480 Mb/s";
+       else if (portstatus & (1 << USB_PORT_FEAT_LOWSPEED))
+               return "1.5 Mb/s";
+       else
+               return "12 Mb/s";
+}
+
 static int hub_port_reset(struct usb_device *dev, int port,
                        unsigned short *portstat)
 {
 
                USB_HUB_PRINTF("portstatus %x, change %x, %s\n",
                                portstatus, portchange,
-                               portstatus & (1 << USB_PORT_FEAT_LOWSPEED) ? \
-                                               "Low Speed" : "High Speed");
+                               portspeed(portstatus));
 
                USB_HUB_PRINTF("STAT_C_CONNECTION = %d STAT_CONNECTION = %d" \
                               "  USB_PORT_STAT_ENABLE %d\n",
        portstatus = le16_to_cpu(portsts.wPortStatus);
        portchange = le16_to_cpu(portsts.wPortChange);
        USB_HUB_PRINTF("portstatus %x, change %x, %s\n",
-                       portstatus, portchange,
-                       portstatus&(1 << USB_PORT_FEAT_LOWSPEED) ? \
-                                               "Low Speed" : "High Speed");
+                       portstatus, portchange, portspeed(portstatus));
 
        /* Clear the connection change status */
        usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_C_CONNECTION);