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Commit d7f9777d authored by Henry Chen's avatar Henry Chen Committed by Alexandre Belloni
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rtc: mt6397: implement suspend/resume function in rtc-mt6397 driver 



Implement the suspend/resume function in order to control rtc's irq_wake flag and handle as wakeup source.

Signed-off-by: default avatarHenry Chen <henryc.chen@mediatek.com>
Acked-by: default avatarEddie Huang <eddie.huang@mediatek.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 3ee2c40b

drivers/rtc/rtc-mt6397.c

+26 −0
Original line number Diff line number Diff line
@@ -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,