+#ifdef CONFIG_DM_USB
+static void show_info(struct udevice *dev)
+{
+ struct udevice *child;
+ struct usb_device *udev;
+
+ udev = dev_get_parentdata(dev);
+ usb_display_desc(udev);
+ usb_display_config(udev);
+ for (device_find_first_child(dev, &child);
+ child;
+ device_find_next_child(&child)) {
+ if (device_active(child))
+ show_info(child);
+ }
+}
+
+static int usb_device_info(void)
+{
+ struct udevice *bus;
+
+ for (uclass_first_device(UCLASS_USB, &bus);
+ bus;
+ uclass_next_device(&bus)) {
+ struct udevice *hub;
+
+ device_find_first_child(bus, &hub);
+ if (device_get_uclass_id(hub) == UCLASS_USB_HUB &&
+ device_active(hub)) {
+ show_info(hub);
+ }
+ }
+
+ return 0;
+}
+#endif
+