Re: [PATCH v4 00/34] component: Make into an aggregate bus

From: Stephen Boyd
Date: Mon Dec 13 2021 - 16:43:28 EST


Quoting Daniel Vetter (2021-12-07 10:22:15)
> On Thu, Dec 02, 2021 at 02:26:58PM -0800, Stephen Boyd wrote:
> > This series is from discussion we had on reordering the device lists for
> > drm shutdown paths[1]. I've introduced an 'aggregate' bus that we put
> > the aggregate device onto and then we probe the aggregate device once
> > all the components are probed and call component_add(). The probe/remove
> > hooks are where the bind/unbind calls go, and then a shutdown hook is
> > added that can be used to shutdown the drm display pipeline at the right
> > time.
> >
> > This works for me on my sc7180 board. I no longer get a warning from i2c
> > at shutdown that we're trying to make an i2c transaction after the i2c
> > bus has been shutdown. There's more work to do on the msm drm driver to
> > extract component device resources like clks, regulators, etc. out of
> > the component bind function into the driver probe but I wanted to move
> > everything over now in other component drivers before tackling that
> > problem.
> >
> > Tested-by tags would be appreciated, and Acked-by/Reviewed-by tags too.
>
> Thanks for pushing this forward. Unfortunately I'm completely burried and
> it's just not improving, so merge plan:
>
> - please get Greg KH to ack the bus/driver core stuff
>
> - please get one of the drm-misc committers we have from Google's Chromeos
> team (there should be a few by now) to review&push this.

Sounds like a plan. Thanks!

>
> Otherwise I fear this might get stuck and I'd really like to avoid that.
>