On Thu, 2015-07-30 at 22:53 +0800, Henry Chen wrote:
> Implement the suspend/resume function in order to control rtc's irq_wake flag
> and handle as wakeup source.
>
> Signed-off-by: Henry Chen <henryc.c...@mediatek.com>
> ---
> drivers/rtc/rtc-mt6397.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> index c0090b6..9f6c9f8 100644
> --- a/drivers/rtc/rtc-mt6397.c
> +++ b/drivers/rtc/rtc-mt6397.c
> @@ -373,6 +373,31 @@ static int mtk_rtc_remove(struct platform_device *pdev)
> return 0;
> }
>
> +#ifdef CONFIG_PM_SLEEP
> +static int mt6397_rtc_suspend(struct device *dev)
> +{
> + struct mt6397_rtc *rtc = dev_get_drvdata(dev);
> +
> + if (device_may_wakeup(dev))
> + enable_irq_wake(rtc->irq);
> +
> + return 0;
> +}
> +
> +static int mt6397_rtc_resume(struct device *dev)
> +{
> + struct mt6397_rtc *rtc = dev_get_drvdata(dev);
> +
> + if (device_may_wakeup(dev))
> + disable_irq_wake(rtc->irq);
> +
> + return 0;
> +}
> +#endif
> +
> +static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend,
> + mt6397_rtc_resume);
> +
> static const struct of_device_id mt6397_rtc_of_match[] = {
> { .compatible = "mediatek,mt6397-rtc", },
> { }
> @@ -382,6 +407,7 @@ static struct platform_driver mtk_rtc_driver = {
> .driver = {
> .name = "mt6397-rtc",
> .of_match_table = mt6397_rtc_of_match,
> + .pm = &mt6397_pm_ops,
> },
> .probe = mtk_rtc_probe,
> .remove = mtk_rtc_remove,
It looks good to me.
Acked-by: Eddie Huang <eddie.hu...@mediatek.com>
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