[PATCH v1] rtc/rtc-efi: Add wakeup support

From: Riwen Lu
Date: Wed Aug 10 2022 - 03:01:49 EST


From: Riwen Lu <luriwen@xxxxxxxxxx>

Add wakeup support for rtc-efi, so we can wakeup from S3/S4/S5 through
rtcwake.

Signed-off-by: Riwen Lu <luriwen@xxxxxxxxxx>

---
v1: Tested in ARM64 platform.
---
drivers/rtc/rtc-efi.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index 11850c2880ad..e991cccdb6e9 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -271,6 +271,8 @@ static int __init efi_rtc_probe(struct platform_device *dev)
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
set_bit(RTC_FEATURE_ALARM_WAKEUP_ONLY, rtc->features);

+ device_init_wakeup(&dev->dev, true);
+
return devm_rtc_register_device(rtc);
}

--
2.25.1