UPF_EXAR_EFR      588 drivers/tty/serial/8250/8250_exar.c 	uart.port.flags = UPF_SHARE_IRQ | UPF_EXAR_EFR | UPF_FIXED_TYPE | UPF_FIXED_PORT;
UPF_EXAR_EFR     2659 drivers/tty/serial/8250/8250_port.c 		if (port->flags & UPF_EXAR_EFR)