uart_bus_detach
return (uart_bus_detach(dev));
int uart_bus_detach(device_t dev);
DEVMETHOD(device_detach, uart_bus_detach),
DEVMETHOD(device_detach, uart_bus_detach),
DEVMETHOD(device_detach, uart_bus_detach),
return (uart_bus_detach(dev));
DEVMETHOD(device_detach, uart_bus_detach),
DEVMETHOD(device_detach, uart_bus_detach),
error = uart_bus_detach(dev);
DEVMETHOD(device_detach, uart_bus_detach),