linux-kernel - Re: [PATCH v5 1/2] dt-bindings: hwlock: add sun6i

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Date:   Wed, 6 Jan 2021 11:14:36 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Wilken Gottwalt <wilken.gottwalt@...teo.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>
Subject: Re: [PATCH v5 1/2] dt-bindings: hwlock: add sun6i_hwspinlock

Hi,

On Wed, Dec 23, 2020 at 03:49:19PM -0700, Rob Herring wrote:
> On Wed, Dec 23, 2020 at 4:34 AM Wilken Gottwalt
> <wilken.gottwalt@...teo.net> wrote:
> >
> > Adds documentation on how to use the sun6i_hwspinlock driver for sun6i
> > compatible SoCs.
> 
> Please resend to DT list so that automated checks run and it's in my
> queue (PW). You need to run 'make dt_binding_check' as there are
> several issues.
> 
> > Signed-off-by: Wilken Gottwalt <wilken.gottwalt@...teo.net>
> > ---
> > Changes in v5:
> >   - changed binding to earliest known supported SoC sun6i-a31
> >   - dropped unnecessary entries
> >
> > Changes in v4:
> >   - changed binding to sun8i-a33-hwpinlock
> >   - added changes suggested by Maxime Ripard
> >
> > Changes in v3:
> >   - changed symbols from sunxi to sun8i
> >
> > Changes in v2:
> >   - fixed memory ranges
> > ---
> >  .../bindings/hwlock/sun6i-a31-hwspinlock.yaml | 44 +++++++++++++++++++
> >  1 file changed, 44 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
> > new file mode 100644
> > index 000000000000..481c5c995ad7
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
> > @@ -0,0 +1,44 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/hwlock/sun6i-hwspinlock.yaml#
> 
> This will fail checks. Wrong filename.

Also, the name should be the whole compatible, so
"allwinner,sun6i-a31-hwspinlock.yaml".

> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs
> > +
> > +maintainers:
> > +  - Wilken Gottwalt <wilken.gottwalt@...teo.net>
> > +
> > +description:
> > +  The hardware unit provides semaphores between the ARM cores and the embedded
> > +  companion core on the SoC.
> > +
> > +properties:
> > +  compatible:
> > +    const: allwinner,sun6i-a31-hwspinlock
> > +
> > +    reg:
> > +      maxItems: 1
> > +
> > +    clocks:
> > +      maxItems: 1
> > +
> > +    resets:
> > +      maxItems: 1

And this is not indented properly, it should be at the same level than
compatible, not under it. Doesn't the meta-schema catch this?

Maxime

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