rtc: efi: Add wakeup support

Riwen Lu · alexandrebelloni · commit eec79501cce6 · 2022-11-16T23:16:38.000+01:00
Add wakeup support for rtc-efi, so we can wakeup from S3/S4/S5 through rtcwake. Signed-off-by: Riwen Lu <luriwen@kylinos.cn> Link: https://lore.kernel.org/r/TYWP286MB260191455377CEBD2336557EB1659@TYWP286MB2601.JPNP286.PROD.OUTLOOK.COM Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git 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);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -271,6 +271,8 @@ static int __init efi_rtc_probe(struct platform_device *dev)`
`271`	`271`	`clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);`
`272`	`272`	`set_bit(RTC_FEATURE_ALARM_WAKEUP_ONLY, rtc->features);`
`273`	`273`
	`274`	`+ device_init_wakeup(&dev->dev, true);`
	`275`	`+`
`274`	`276`	`return devm_rtc_register_device(rtc);`
`275`	`277`	`}`
`276`	`278`