Re: [PATCH v2 2/4] rtc: Add support for the MediaTek MT2712 RTC

[Ran Bi]

On Thu, 2019-08-22 at 11:12 +0200, Matthias Brugger wrote:
> 
> On 01/08/2019 13:01, Ran Bi wrote:
> > This add support for the MediaTek MT2712 RTC. It was SoC based RTC, but
> > had different architecture compared with MT7622 RTC.
> > 
> > Signed-off-by: Ran Bi <ran.bi@xxxxxxxxxxxx>
> > ---
> >  drivers/rtc/Kconfig      |  10 +
> >  drivers/rtc/Makefile     |   1 +
> >  drivers/rtc/rtc-mt2712.c | 444 +++++++++++++++++++++++++++++++++++++++
> 
> Can't we just adjust rtc-mt7622.c (and rename it) to unify the source for both
> devices. What is the difference that we need to write a driver of our own?
> 
> Regards,
> Matthias

We cannot merge rtc-mt7622.c and rtc-mt2712.c together. These two rtc
hardwares have totally different design. Registers naming, registers
offset and operating method are different.