sc16is7xx_port_write
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr);
sc16is7xx_port_write(port, SC16IS7XX_XON1_REG, termios->c_cc[VSTART]);
sc16is7xx_port_write(port, SC16IS7XX_XOFF1_REG, termios->c_cc[VSTOP]);
sc16is7xx_port_write(port, SC16IS7XX_FCR_REG, val);
sc16is7xx_port_write(port, SC16IS7XX_FCR_REG,
sc16is7xx_port_write(port, SC16IS7XX_TCR_REG,
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, SC16IS7XX_LCR_WORD_LEN_8);
sc16is7xx_port_write(port, SC16IS7XX_IER_REG, val);
sc16is7xx_port_write(port, SC16IS7XX_IER_REG, 0);
sc16is7xx_port_write(port, SC16IS7XX_IOSTATE_REG, state);
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, 0x00);
sc16is7xx_port_write(port, SC16IS7XX_IER_REG, 0);
sc16is7xx_port_write(port, SC16IS7XX_EFCR_REG,
sc16is7xx_port_write(port, SC16IS7XX_EFR_REG,
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, register_set);
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, one->old_lcr);
sc16is7xx_port_write(port, SC16IS7XX_DLH_REG, div / 256);
sc16is7xx_port_write(port, SC16IS7XX_DLL_REG, div % 256);
sc16is7xx_port_write(port, SC16IS7XX_THR_REG, port->x_char);