diff options
| -rw-r--r-- | drivers/rtc/rtc-sun6i.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index 956c0846201f..04d74e59f3d5 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c @@ -633,6 +633,33 @@ static const struct rtc_class_ops sun6i_rtc_ops = { .alarm_irq_enable = sun6i_rtc_alarm_irq_enable }; +#ifdef CONFIG_PM_SLEEP +/* Enable IRQ wake on suspend, to wake up from RTC. */ +static int sun6i_rtc_suspend(struct device *dev) +{ + struct sun6i_rtc_dev *chip = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(chip->irq); + + return 0; +} + +/* Disable IRQ wake on resume. */ +static int sun6i_rtc_resume(struct device *dev) +{ + struct sun6i_rtc_dev *chip = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(chip->irq); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(sun6i_rtc_pm_ops, + sun6i_rtc_suspend, sun6i_rtc_resume); + static int sun6i_rtc_probe(struct platform_device *pdev) { struct sun6i_rtc_dev *chip = sun6i_rtc; @@ -683,6 +710,8 @@ static int sun6i_rtc_probe(struct platform_device *pdev) clk_prepare_enable(chip->losc); + device_init_wakeup(&pdev->dev, 1); + chip->rtc = devm_rtc_device_register(&pdev->dev, "rtc-sun6i", &sun6i_rtc_ops, THIS_MODULE); if (IS_ERR(chip->rtc)) { @@ -718,6 +747,7 @@ static struct platform_driver sun6i_rtc_driver = { .driver = { .name = "sun6i-rtc", .of_match_table = sun6i_rtc_dt_ids, + .pm = &sun6i_rtc_pm_ops, }, }; builtin_platform_driver(sun6i_rtc_driver); |