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);