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| author | Loic Poulain <loic.poulain@linaro.org> | 2022-02-16 16:24:42 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-03-25 11:37:55 +0100 |
| commit | b5bf5b283d07bd1f4d49657557fb99ec5fbfc588 (patch) | |
| tree | 9547a50b16a14bbc35e7e0ef07cb5b47c4c8a0e6 /drivers/rtc | |
| parent | 1521ca5b9f93e3d8c9782ac10a42bc5c3a3ba370 (diff) | |
| download | linux-b5bf5b283d07bd1f4d49657557fb99ec5fbfc588.tar.gz linux-b5bf5b283d07bd1f4d49657557fb99ec5fbfc588.tar.bz2 linux-b5bf5b283d07bd1f4d49657557fb99ec5fbfc588.zip | |
rtc: pm8xxx: Attach wake irq to device
Attach the interrupt as a wake-irq to the device, so that:
- A corresponding wakeup source is created (and reported in e.g
/sys/kernel/debug/wakeup_sources).
- The power subsystem take cares of arming/disarming
irq-wake automatically on suspend/resume.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1645025082-6138-1-git-send-email-loic.poulain@linaro.org
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-pm8xxx.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index 29a1c65661e9..75954dd8a60e 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -7,6 +7,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/pm_wakeirq.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/spinlock.h> @@ -527,40 +528,28 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev) return rc; } - return devm_rtc_register_device(rtc_dd->rtc); -} - -#ifdef CONFIG_PM_SLEEP -static int pm8xxx_rtc_resume(struct device *dev) -{ - struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); + rc = devm_rtc_register_device(rtc_dd->rtc); + if (rc) + return rc; - if (device_may_wakeup(dev)) - disable_irq_wake(rtc_dd->rtc_alarm_irq); + rc = dev_pm_set_wake_irq(&pdev->dev, rtc_dd->rtc_alarm_irq); + if (rc) + return rc; return 0; } -static int pm8xxx_rtc_suspend(struct device *dev) +static int pm8xxx_remove(struct platform_device *pdev) { - struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); - - if (device_may_wakeup(dev)) - enable_irq_wake(rtc_dd->rtc_alarm_irq); - + dev_pm_clear_wake_irq(&pdev->dev); return 0; } -#endif - -static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, - pm8xxx_rtc_suspend, - pm8xxx_rtc_resume); static struct platform_driver pm8xxx_rtc_driver = { .probe = pm8xxx_rtc_probe, + .remove = pm8xxx_remove, .driver = { .name = "rtc-pm8xxx", - .pm = &pm8xxx_rtc_pm_ops, .of_match_table = pm8xxx_id_table, }, }; |