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Commit faa9fa8e authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

rtc: rtc-sh: use set_irq_wake() 



Modify the sh_rtc driver to use set_irq_wake() during suspend
and resume. These functions are used to enable the rtc interrupts
in the interrupt controller so the rtc can be used to wakeup the
system from suspend.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 4ba50df6

drivers/rtc/rtc-sh.c

+36 −0
Original line number Diff line number Diff line
@@ -795,10 +795,46 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev) 


	return 0;

}



static void sh_rtc_set_irq_wake(struct device *dev, int enabled)

{

	struct platform_device *pdev = to_platform_device(dev);

	struct sh_rtc *rtc = platform_get_drvdata(pdev);



	set_irq_wake(rtc->periodic_irq, enabled);

	if (rtc->carry_irq > 0) {

		set_irq_wake(rtc->carry_irq, enabled);

		set_irq_wake(rtc->alarm_irq, enabled);

	}



}



static int sh_rtc_suspend(struct device *dev)

{

	if (device_may_wakeup(dev))

		sh_rtc_set_irq_wake(dev, 1);



	return 0;

}



static int sh_rtc_resume(struct device *dev)

{

	if (device_may_wakeup(dev))

		sh_rtc_set_irq_wake(dev, 0);



	return 0;

}



static struct dev_pm_ops sh_rtc_dev_pm_ops = {

	.suspend = sh_rtc_suspend,

	.resume = sh_rtc_resume,

};



static struct platform_driver sh_rtc_platform_driver = {

	.driver		= {

		.name	= DRV_NAME,

		.owner	= THIS_MODULE,

		.pm	= &sh_rtc_dev_pm_ops,

	},

	.probe		= sh_rtc_probe,

	.remove		= __devexit_p(sh_rtc_remove),