Re: [PATCH] hw/i2c: Add designware i2c controller

[Joel Stanley <joel@jms.id.au>]

Hello Alano and Peter,

On Fri, 16 Jan 2026 at 03:17, Peter Maydell <peter.maydell@linaro.org> wrote:
>
> On Fri, 9 Jan 2026 at 12:33, Joel Stanley <joel@jms.id.au> wrote:
> >
> > From: Chris Rauer <crauer@google.com>
> >
> > Reviewed-by: Hao Wu <wuhaotsh@google.com>
> > Signed-off-by: Chris Rauer <crauer@google.com>
> > Link: https://lore.kernel.org/qemu-devel/20220110214755.810343-2-venture@google.com
> > [jms: rebase and minor build fixes for class_init and reset callback]
> > Signed-off-by: Joel Stanley <joel@jms.id.au>
> > ---
> > This is a re-submission of the model with Chris' permission, with a
> > light touch of updates to make it build with qemu master.
> >
> > It will be used by the Tenstorrent Atlantis machine, which will include
> > a functional test for i2c devices attached to the controller.
> >
> > Daniel suggested that Alistair would take it through the riscv tree as
> > a (soft) pre-req for the Atlantis machine.
>
> Hi -- what relation does this model have to the
> patch posted by Alano Song a few days earlier?
>  https://lore.kernel.org/qemu-devel/20260106131253.16192-1-AlanoSong@163.com/
> Are these independent re-implementations? Do we
> have any particular reason to prefer one over the other?

A race condition I think. I grabbed the patch from the list a few
months back, but didn't post my series until January. It seems Alano
posted this in the meantime.

Alano, is there anything missing from this version that your model
supports? Are you okay with using this version?

Cheers,

Joel