serial_port_out_sync 2214 drivers/tty/serial/8250/8250_port.c 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);
serial_port_out_sync 2218 drivers/tty/serial/8250/8250_port.c 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);