Re: [PATCH 1/4] dt-bindings: reset: mobileye,eyeq5-reset: add bindings

From: Théo Lebrun
Date: Wed Dec 20 2023 - 04:25:24 EST


Hello,

Thanks for your comments. I have a question for one:

On Tue Dec 19, 2023 at 8:40 AM CET, Krzysztof Kozlowski wrote:
> On 18/12/2023 18:16, Théo Lebrun wrote:
> > Add DT-Schema bindings for the EyeQ5 reset controller.
> >
> > Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
> > ---
> > .../bindings/reset/mobileye,eyeq5-reset.yaml | 69 +++++++++++++++++++
> > MAINTAINERS | 2 +
> > include/dt-bindings/reset/mobileye,eyeq5-reset.h | 80 ++++++++++++++++++++++
> > 3 files changed, 151 insertions(+)
> >

[...]

> > diff --git a/include/dt-bindings/reset/mobileye,eyeq5-reset.h b/include/dt-bindings/reset/mobileye,eyeq5-reset.h
> > new file mode 100644
> > index 000000000000..ce59fe5409ac
> > --- /dev/null
> > +++ b/include/dt-bindings/reset/mobileye,eyeq5-reset.h
> > @@ -0,0 +1,80 @@
> > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > +/*
> > + * Copyright (C) 2023 Mobileye Vision Technologies Ltd.
> > + */
> > +
> > +#ifndef _DT_BINDINGS_RESET_MOBILEYE_EYEQ5_RESET_H
> > +#define _DT_BINDINGS_RESET_MOBILEYE_EYEQ5_RESET_H
> > +
> > +/* Domain 0 */
> > +
> > +/* 0..2 are reserved */
>
> No, they are not. IDs cannot be reserved. IDs start from 0 and are
> incremented by 1. Reserving an ID contradicts to entire point of that
> ID, so either drop entire file or make this proper IDs.

Those are hardware IDs. I get what you mean is that they should not leak
into bindings. That implies a mapping operation from bindings IDs to
understood-by-hardware IDs. Can you confirm this is what you expect?

Thanks,

--
Théo Lebrun, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com