UART_FCR_R_TRIG_00 180 drivers/tty/serial/8250/8250_port.c .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, UART_FCR_R_TRIG_00 221 drivers/tty/serial/8250/8250_port.c UART_FCR_R_TRIG_00 | UART_FCR_T_TRIG_00, UART_FCR_R_TRIG_00 2863 drivers/tty/serial/8250/8250_port.c if (!conf_type->rxtrig_bytes[UART_FCR_R_TRIG_BITS(UART_FCR_R_TRIG_00)])