usb_get_role_switch_default_mode
enum usb_dr_mode mode = usb_get_role_switch_default_mode(&port->dev);
EXPORT_SYMBOL_GPL(usb_get_role_switch_default_mode);
hsotg->role_sw_default_mode = usb_get_role_switch_default_mode(hsotg->dev);
dwc->role_switch_default_mode = usb_get_role_switch_default_mode(dwc->dev);
(usb_get_role_switch_default_mode(dev) == USB_DR_MODE_HOST))
mode = usb_get_role_switch_default_mode(dev);
extern enum usb_dr_mode usb_get_role_switch_default_mode(struct device *dev);