old_dl 811 drivers/tty/serial/8250/8250_port.c unsigned short old_dl; old_dl 822 drivers/tty/serial/8250/8250_port.c old_dl = serial_dl_read(up); old_dl 834 drivers/tty/serial/8250/8250_port.c serial_dl_write(up, old_dl); old_dl 848 drivers/tty/serial/8250/8250_port.c unsigned int id, old_dl; old_dl 852 drivers/tty/serial/8250/8250_port.c old_dl = serial_dl_read(p); old_dl 855 drivers/tty/serial/8250/8250_port.c serial_dl_write(p, old_dl);