serial8250_rpm_get_tx  156 drivers/tty/serial/8250/8250.h void serial8250_rpm_get_tx(struct uart_8250_port *p);
serial8250_rpm_get_tx  688 drivers/tty/serial/8250/8250_port.c EXPORT_SYMBOL_GPL(serial8250_rpm_get_tx);
serial8250_rpm_get_tx 1586 drivers/tty/serial/8250/8250_port.c 	serial8250_rpm_get_tx(up);