Re: [PATCH v4 8/8] arm64: dts: qcom: sdm850-lenovo-yoga-c630: fix RTC offset info

[Dmitry Baryshkov]

On Thu, Jun 26, 2025 at 12:16:49PM +0200, Johan Hovold wrote:
> On Wed, Jun 25, 2025 at 01:53:27AM +0300, Dmitry Baryshkov wrote:
> > Lenovo Yoga C630 as most of the other WoA devices stores RTC offset in
> > the UEFI variable. Add corresponding property to the RTC device in order
> > to make RTC driver wait for UEFI variables to become available and then
> > read offset value from the corresponding variable.
> 
> This is not a fix so please drop that word from Subject.

ack

> 
> I'd also expect you to mention that the RTC would be heavily crippled on
> this machine as the efi variables cannot be updated.

ack

> 
> Is there even a UEFI setup setting for this so that users that have
> blown away Windows can ever set the time (which may become totally off
> due to drift)?

There is a UEFI setup UI.

> I'm still not convinced that this is something we want, especially since
> you could have a fully functional RTC by providing an SDAM offset
> instead like we do on the sc8280xp CRD.

No, I don't want to go that way.

-- 
With best wishes
Dmitry