Re: [PATCH -next 0/2] Add i2c arbitration support for new SoCs

Andy Shevchenko
2022-09-19T13:59:53Z

On Fri, Sep 16, 2022 at 03:18:52PM +0200, Jan Dabros wrote:
> This patchset comprises changes into i2c-designware-amdpsp.c module
> which aims to add support for new SoCs, while keep backward
> compatibility with Cezanne platforms.
>
> Beside new algorithm introduced for the PSP-x86 communication, it also
> switches from MSR/MMIO access to SMN (System Management Network) since
> only the latter is working on both old new revisions of SoCs.

Which one is better performance/energy/etc wise? If it's not the SMN,
can we keep better in place?

--
With Best Regards,
Andy Shevchenko