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authorDmitry Osipenko <digetx@gmail.com>2021-01-21 00:16:02 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-01-26 01:57:24 +0300
commit454ba154a62c8806e82a3581c5233a5176cd7dd7 (patch)
treeb387bd22dadecd72f5ad828093059fee6d123583
parentf66e7f2d32b9f53b4c43d9c4ac0c1c83141db735 (diff)
downloadlinux-454ba154a62c8806e82a3581c5233a5176cd7dd7.tar.xz
rtc: tps65910: Support wakeup-source property
TPS65910 is a PMIC MFD device and RTC is one of its functions. The wakeup-source DT property is specified for the parent MFD device and we need to use this property for the RTC in order to allow to use RTC alarm for waking up system from suspend by default, instead of requiring user to enable wakeup manually via sysfs. Tested-by: Peter Geis <pgwipeout@gmail.com> Tested-by: Matt Merhar <mattmerhar@protonmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210120211603.18555-1-digetx@gmail.com
-rw-r--r--drivers/rtc/rtc-tps65910.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index e1415a49f4ee..288abb1abdb8 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -418,10 +418,14 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
irq = -1;
tps_rtc->irq = irq;
- if (irq != -1)
- device_set_wakeup_capable(&pdev->dev, 1);
- else
+ if (irq != -1) {
+ if (device_property_present(tps65910->dev, "wakeup-source"))
+ device_init_wakeup(&pdev->dev, 1);
+ else
+ device_set_wakeup_capable(&pdev->dev, 1);
+ } else {
clear_bit(RTC_FEATURE_ALARM, tps_rtc->rtc->features);
+ }
tps_rtc->rtc->ops = &tps65910_rtc_ops;
tps_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;