/* disable endpoints, aborting down any active I/O */
usb_ep_disable(gser->out);
/* disable endpoints, aborting down any active I/O */
usb_ep_disable(gser->out);
/* finally, free any unused/unusable I/O buffers */
spin_lock_irqsave(&port->port_lock, flags);
/* finally, free any unused/unusable I/O buffers */
spin_lock_irqsave(&port->port_lock, flags);