Source of rtc-mt6397.c - linux-imx - PHYTEC BitBucket (Stash)

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    rtc->irq = platform_get_irq(pdev, 0);
    if (rtc->irq < 0)
        return rtc->irq;
​
    rtc->regmap = mt6397_chip->regmap;
    rtc->dev = &pdev->dev;
    mutex_init(&rtc->lock);
​
    platform_set_drvdata(pdev, rtc);
​
    rtc->rtc_dev = devm_rtc_allocate_device(rtc->dev);
    if (IS_ERR(rtc->rtc_dev))
        return PTR_ERR(rtc->rtc_dev);
​
    ret = request_threaded_irq(rtc->irq, NULL,
                   mtk_rtc_irq_handler_thread,
                   IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
                   "mt6397-rtc", rtc);
    if (ret) {
        dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
            rtc->irq, ret);
        goto out_dispose_irq;
    }
​
    device_init_wakeup(&pdev->dev, 1);
​
    rtc->rtc_dev = rtc_device_register("mt6397-rtc", &pdev->dev,
                       &mtk_rtc_ops, THIS_MODULE);
    if (IS_ERR(rtc->rtc_dev)) {
    rtc->rtc_dev->ops = &mtk_rtc_ops;
​
    ret = rtc_register_device(rtc->rtc_dev);
    if (ret) {
        dev_err(&pdev->dev, "register rtc device failed\n");
        ret = PTR_ERR(rtc->rtc_dev);
        goto out_free_irq;
    }
​
    return 0;
​
out_free_irq:
    free_irq(rtc->irq, rtc->rtc_dev);
out_dispose_irq:
    irq_dispose_mapping(rtc->irq);
    return ret;
}
​
static int mtk_rtc_remove(struct platform_device *pdev)
{
    struct mt6397_rtc *rtc = platform_get_drvdata(pdev);
​
    rtc_device_unregister(rtc->rtc_dev);
    free_irq(rtc->irq, rtc->rtc_dev);
    irq_dispose_mapping(rtc->irq);
​
    return 0;
}
​
#ifdef CONFIG_PM_SLEEP
static int mt6397_rtc_suspend(struct device *dev)
{
    struct mt6397_rtc *rtc = dev_get_drvdata(dev);