Re: [RFC PATCH v2 00/12] greybus: introduce CPC as transport layer

From: Greg Kroah-Hartman

Date: Wed Nov 26 2025 - 07:33:56 EST


On Tue, Nov 25, 2025 at 10:26:36AM -0500, Damien Riégel wrote:
> Hi Greg, Johan, and Alex,
>
> On Fri Nov 14, 2025 at 10:07 AM EST, Damien Riégel wrote:
> > Hi,
> >
> > This patchset brings support for Silicon Labs' CPC (Co-Processor
> > Communication) protocol as transport layer for Greybus. This is
> > introduced as a module that sits between Greybus and CPC Host Device
> > Driver implementations, like SDIO or SPI, which are not part of this
> > RFC. If there's no push back with this RFC, the final patchset ready for
> > upstream will include the SDIO driver.
>
> Gentle poke about this RFC, I would really appreciate any kind of
> feedback on it.

Given my workload, I don't respond to "RFC" as obviously it's not ready
for the submitter to feel that it should be applied yet :)

> If it's too big I can try to make it smaller to make the review easier.
> As we're committing to Greybus to enable the coexistence of different
> radio stacks in one chip, we want to make sure we're heading in the
> right direction and that our work has a chance to get upstreamed.

Always make review easier for us, so yes, please make it smaller!

thanks,

greg k-h