serial8250_do_get_mctrl 112 drivers/tty/serial/8250/8250_lpss.c unsigned int ret = serial8250_do_get_mctrl(port); serial8250_do_get_mctrl 1914 drivers/tty/serial/8250/8250_port.c EXPORT_SYMBOL_GPL(serial8250_do_get_mctrl); serial8250_do_get_mctrl 1920 drivers/tty/serial/8250/8250_port.c return serial8250_do_get_mctrl(port); serial8250_do_get_mctrl 158 include/linux/serial_8250.h extern unsigned int serial8250_do_get_mctrl(struct uart_port *port);