udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
        return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
-static void usbhs_mod_gadget_release(struct device *pdev)
-{
-       /* do nothing */
-}
-
 int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
        struct usbhsg_gpriv *gpriv;
         * init gadget
         */
        gpriv->gadget.dev.parent        = dev;
-       gpriv->gadget.dev.release       = usbhs_mod_gadget_release;
        gpriv->gadget.name              = "renesas_usbhs_udc";
        gpriv->gadget.ops               = &usbhsg_gadget_ops;
        gpriv->gadget.max_speed         = USB_SPEED_HIGH;