serial8250_do_shutdown 194 drivers/tty/serial/8250/8250_aspeed_vuart.c serial8250_do_shutdown(uart_port); serial8250_do_shutdown 194 drivers/tty/serial/8250/8250_exar.c serial8250_do_shutdown(port); serial8250_do_shutdown 210 drivers/tty/serial/8250/8250_mtk.c return serial8250_do_shutdown(port); serial8250_do_shutdown 2403 drivers/tty/serial/8250/8250_port.c EXPORT_SYMBOL_GPL(serial8250_do_shutdown); serial8250_do_shutdown 2410 drivers/tty/serial/8250/8250_port.c serial8250_do_shutdown(port); serial8250_do_shutdown 160 include/linux/serial_8250.h extern void serial8250_do_shutdown(struct uart_port *port);