Re: [PATCH v6 04/17] rtc: sun6i: Add support for linear day storage
From: Jernej Škrabec
Date: Sat May 22 2021 - 03:26:26 EST
Hi Andre!
Dne sreda, 19. maj 2021 ob 12:41:39 CEST je Andre Przywara napisal(a):
> Newer versions of the Allwinner RTC, as for instance found in the H616
> SoC, no longer store a broken-down day/month/year representation in the
> RTC_DAY_REG, but just a linear day number.
> The user manual does not give any indication about the expected epoch
> time of this day count, but the BSP kernel uses the UNIX epoch, which
> allows easy support due to existing conversion functions in the kernel.
>
> Allow tagging a compatible string with a flag, and use that to mark
> those new RTCs. Then convert between a UNIX day number (converted into
> seconds) and the broken-down day representation using mktime64() and
> time64_to_tm() in the set_time/get_time functions.
>
> That enables support for the RTC in those new chips.
>
> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>
Change ^ to Signed-of-by. After that, you can add:
Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
Best regards,
Jernej