Re: Call for Participation: Embedded & IoT micro-conference at Linux Plumbers 2025

Hi Sebastian,

On Tue, Sep 23, 2025 at 7:03 PM Sebastian Reichel <[email protected]> wrote:
> I would like to present / discuss fusb302 (or other chips handled via
> the TCPM framework) using boards that are mainly powered via USB-C and
> not having any backup power source. This kind of setup is often found
> on Rockchip boards (e.g. Libre Computer ROC-RK3399-PC, Radxa ROCK 5B
> or ArmSoM Sige 5) and quite a pain, because a hard-reset effectively
> kills the board power.
>
> I would present the problem(s), what I've done so far to get it working
> to some degree with the upstream kernel and then discuss how to improve
> the situation.
>
> I think to become a worthwhile discussion the session would need some
> people that know the USB-PD specification and kernel subsystem, such as:
>
>  * Heikki Krogerus (USB-C maintainer)
>  * Greg Kroah-Hartman (USB maintainer)
>  * RD Babiera or Amit Sunil Dhamne (Google is actively working on
>    ensuring TCPM code being compatible with the USB-PD specification
>    and they were unhappy about some of my changes :))
>
> P.S.: I'm not sure how the CfP for the LPC micro-conferences works.
> Please tell me if this mail is not good enough and I need to insert
> something into some system.

You need to submit a proposal to
https://lpc.events/event/19/abstracts/. You'll have to create an
account, and there will be a "Submit new abstract" button at the
bottom right of the page.

I went through the process for a talk that I submitted: "Fixing Clock
Tree Propagation in the Common Clk Framework". It's related to this
work:
https://lore.kernel.org/linux-clk/[email protected]/T/

Brian