sc16is7xx_power
sc16is7xx_power(port, 1);
sc16is7xx_power(port, 0);
sc16is7xx_power(port, (state == UART_PM_STATE_ON) ? 1 : 0);
sc16is7xx_power(port, 0);
sc16is7xx_power(&s->p[i].port, 0);