diff --git a/common/usb.c b/common/usb.c
index 4ddf98f..d237478 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -1030,7 +1030,7 @@
 }
 
 static int usb_prepare_device(struct usb_device *dev, int addr, bool do_read,
-			      struct usb_device *parent, int portnr)
+			      struct usb_device *parent)
 {
 	int err;
 
@@ -1048,7 +1048,7 @@
 	err = usb_setup_descriptor(dev, do_read);
 	if (err)
 		return err;
-	err = usb_legacy_port_reset(parent, portnr);
+	err = usb_legacy_port_reset(parent, dev->portnr);
 	if (err)
 		return err;
 
@@ -1126,7 +1126,7 @@
 }
 
 int usb_setup_device(struct usb_device *dev, bool do_read,
-		     struct usb_device *parent, int portnr)
+		     struct usb_device *parent)
 {
 	int addr;
 	int ret;
@@ -1135,7 +1135,7 @@
 	addr = dev->devnum;
 	dev->devnum = 0;
 
-	ret = usb_prepare_device(dev, addr, do_read, parent, portnr);
+	ret = usb_prepare_device(dev, addr, do_read, parent);
 	if (ret)
 		return ret;
 	ret = usb_select_config(dev);
@@ -1165,7 +1165,7 @@
 #ifdef CONFIG_USB_XHCI
 	do_read = false;
 #endif
-	err = usb_setup_device(dev, do_read, dev->parent, dev->portnr);
+	err = usb_setup_device(dev, do_read, dev->parent);
 	if (err)
 		return err;
 
diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c
index 10d4712..18680c9 100644
--- a/drivers/usb/host/usb-uclass.c
+++ b/drivers/usb/host/usb-uclass.c
@@ -565,7 +565,7 @@
 	debug("Calling usb_setup_device(), portnr=%d\n", udev->portnr);
 	parent_udev = device_get_uclass_id(parent) == UCLASS_USB_HUB ?
 		dev_get_parentdata(parent) : NULL;
-	ret = usb_setup_device(udev, priv->desc_before_addr, parent_udev, port);
+	ret = usb_setup_device(udev, priv->desc_before_addr, parent_udev);
 	debug("read_descriptor for '%s': ret=%d\n", parent->name, ret);
 	if (ret)
 		return ret;
diff --git a/include/usb.h b/include/usb.h
index 6b5d536..8a71e28 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -734,14 +734,14 @@
  *
  * @dev:	USB device pointer. This need not be a real device - it is
  *		common for it to just be a local variable with its ->dev
- *		member (i.e. @dev->dev) set to the parent device
+ *		member (i.e. @dev->dev) set to the parent device and
+ *		dev->portnr set to the port number on the hub (1=first)
  * @do_read:	true to read the device descriptor before an address is set
  *		(should be false for XHCI buses, true otherwise)
  * @parent:	Parent device (either UCLASS_USB or UCLASS_USB_HUB)
- * @portnr:	Port number on hub (1=first) or 0 for none
  * @return 0 if OK, -ve on error */
 int usb_setup_device(struct usb_device *dev, bool do_read,
-		     struct usb_device *parent, int portnr);
+		     struct usb_device *parent);
 
 /**
  * usb_hub_scan() - Scan a hub and find its devices