Source of rtc-coh901331.c - linux-imx - PHYTEC BitBucket (Stash)

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        rtap->irqmaskstore = readl(rtap->virtbase + COH901331_IRQ_MASK);
        writel(0, rtap->virtbase + COH901331_IRQ_MASK);
        clk_disable(rtap->clk);
    }
    clk_unprepare(rtap->clk);
    return 0;
}
​
static int coh901331_resume(struct device *dev)
{
    int ret;
    struct coh901331_port *rtap = dev_get_drvdata(dev);
​
    clk_prepare(rtap->clk);
    ret = clk_prepare(rtap->clk);
    if (ret)
        return ret;
​
    if (device_may_wakeup(dev)) {
        disable_irq_wake(rtap->irq);
    } else {
        clk_enable(rtap->clk);
        writel(rtap->irqmaskstore, rtap->virtbase + COH901331_IRQ_MASK);
        clk_disable(rtap->clk);
    }
    return 0;
}
#endif