DEV_PORT_SPEED
DEV_PORT_SPEED(portsc));
ret = xhci_port_bw_show(xhci, DEV_PORT_SPEED(XDEV_SS), s);
ret = xhci_port_bw_show(xhci, DEV_PORT_SPEED(XDEV_HS), s);
ret = xhci_port_bw_show(xhci, DEV_PORT_SPEED(XDEV_FS), s);
speed_id = DEV_PORT_SPEED(portsc);
ret += sprintf(str + ret, "Speed=%d ", DEV_PORT_SPEED(portsc));