UART_TRG 2168 drivers/tty/serial/8250/8250_port.c serial_port_out(port, UART_TRG, UART_TRG_96); UART_TRG 2171 drivers/tty/serial/8250/8250_port.c serial_port_out(port, UART_TRG, UART_TRG_96);