Re: [PATCH RFC 4/7] i3c: add driver for Renesas I3C IP

Wolfram Sang
2025-06-24T22:14:20Z

> > > There is a specified timeout? I couldn't find one in the specs, can you
> > > kindly point me to it? So, the solution is to use 100us as timeout?
> >
> > See: 5.1.2.5 Controller Clock Stalling
>
> Ah, I missed this one so far. Thanks!
>
> > The spec have not defined what exactly happen if stall clock more than
> > 100us.
>
> I am going to the I3C Plugfest in Warszaw in 10 days. I could ask people
> there...

Well, I also couldn't get an answer here. It seems that part of the
spec has not been excercised a lot so far. The best recommendation was
also to use a timeout < 100us, so that you have a bit of time for
cancelling.