MAX310X_THR_REG 754 drivers/tty/serial/max310x.c max310x_port_write(port, MAX310X_THR_REG, port->x_char); MAX310X_THR_REG 1365 drivers/tty/serial/max310x.c s->p[i].wr_header = (s->p[i].port.iobase + MAX310X_THR_REG) |