[PATCH v1] RFC: rtc: rv8803: avoid bootloop on low voltage of button cell

[Michael Walle]

Am 2023-02-08 08:38, schrieb Oliver Graute:
> if the rtc button cell is on low voltage this can result in a permanent
> bootloop in u-boot because V2F Register is permanent set.
> 
> ### Warning: temperature compensation has stopped
> ### Warning: Voltage low, data is invalid
> resetting ...
> 
> With this patch the bootloop is prevented
> 
> Signed-off-by: Oliver Graute <oliver.graute at kococonnector.com>

I'm curious, how is the call tree here? I don't see the dm_rtc_get()
being called during boot. Basically, you are now just ignoring the 
error.

-michael