if (sport && level == SUSPEND_DISABLE)
if (sport)
static int serial_imx_suspend(struct device *_dev, pm_message_t state, u32 level){        struct imx_port *sport = dev_get_drvdata(_dev);        if (sport && level == SUSPEND_DISABLE)                uart_suspend_port(&imx_reg, &sport->port);        return 0;}