rtc: mt6397: implement suspend/resume function in rtc-mt6397 driver
diff mbox

Message ID 1438267994-13934-1-git-send-email-henryc.chen@mediatek.com
State New
Headers show

Commit Message

Henry Chen July 30, 2015, 2:53 p.m. UTC
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.chen@mediatek.com>
---
 drivers/rtc/rtc-mt6397.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

Comments

Eddie Huang July 31, 2015, 1:32 a.m. UTC | #1
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.chen@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.huang@mediatek.com>
Alexandre Belloni Aug. 5, 2015, 1:46 a.m. UTC | #2
On 30/07/2015 at 22:53:14 +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.chen@mediatek.com>
> ---
>  drivers/rtc/rtc-mt6397.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
Applied, thanks.

Patch
diff mbox

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,