PORT_16750
up.port.type = PORT_16750;
uart.port.type = PORT_16750;
{ .compatible = "ns16750", .data = (void *)PORT_16750, },
up->port.type = PORT_16750;
bool is_16750 = port->type == PORT_16750;
[PORT_16750] = {
up->port.type = PORT_16750;
if (up->port.type == PORT_16750)
if (up->port.type == PORT_16750)
if (up->port.type != PORT_16750) {