diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index d28eff1b5c..6b0d9f9e4d 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -314,6 +314,16 @@ void usb_legacy_register(const char *typename, const char *usbdevice_name,
     }
 }
 
+USBDevice *usb_new(const char *name)
+{
+    return USB_DEVICE(qdev_new(name));
+}
+
+bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp)
+{
+    return qdev_realize_and_unref(&dev->qdev, &bus->qbus, errp);
+}
+
 USBDevice *usb_create(USBBus *bus, const char *name)
 {
     DeviceState *dev;
diff --git a/include/hw/usb.h b/include/hw/usb.h
index e2128c7c45..1cc0ba0fed 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -504,6 +504,8 @@ USBBus *usb_bus_find(int busnr);
 void usb_legacy_register(const char *typename, const char *usbdevice_name,
                          USBDevice *(*usbdevice_init)(USBBus *bus,
                                                       const char *params));
+USBDevice *usb_new(const char *name);
+bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp);
 USBDevice *usb_create(USBBus *bus, const char *name);
 USBDevice *usb_create_simple(USBBus *bus, const char *name);
 USBDevice *usbdevice_create(const char *cmdline);