linux-kernel - Re: [PATCH v5 01/15] dt-bindings: clock: split qcom,gcc.yaml to common and specific schema

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Date:   Thu, 24 Mar 2022 08:16:46 -0500
From:   Rob Herring <robh@...nel.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Taniya Das <tdas@...eaurora.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 01/15] dt-bindings: clock: split qcom,gcc.yaml to
 common and specific schema

On Wed, Mar 23, 2022 at 08:47:15PM +0100, Ansuel Smith wrote:
> On Wed, Mar 23, 2022 at 08:55:30AM -0500, Rob Herring wrote:
> > On Thu, Feb 24, 2022 at 10:48 AM Ansuel Smith <ansuelsmth@...il.com> wrote:
> > >
> > > Split qcom,gcc.yaml to common and specific schema to use it as a
> > > template for schema that needs to use the gcc bindings and require
> > > to add additional bindings.
> > >
> > > Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> > > ---
> > >  .../bindings/clock/qcom,gcc-other.yaml        | 76 +++++++++++++++++++
> > 
> > This now throws errors in linux-next:
> > 
> > Traceback (most recent call last):
> >   File "/usr/local/lib/python3.8/dist-packages/jsonschema/validators.py",
> > line 816, in resolve_from_url
> >     document = self.resolve_remote(url)
> >   File "/usr/local/lib/python3.8/dist-packages/jsonschema/validators.py",
> > line 923, in resolve_remote
> >     result = json.loads(url.read().decode("utf-8"))
> >   File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
> >     return _default_decoder.decode(s)
> >   File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
> >     obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> >   File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
> >     raise JSONDecodeError("Expecting value", s, err.value) from None
> > json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
> > During handling of the above exception, another exception occurred:
> > Traceback (most recent call last):
> >   File "/usr/local/bin/dt-doc-validate", line 70, in <module>
> >     ret = check_doc(f)
> >   File "/usr/local/bin/dt-doc-validate", line 36, in check_doc
> >     for error in
> > sorted(dtschema.DTValidator.iter_schema_errors(testtree), key=lambda
> > e: e.linecol):
> >   File "/usr/local/lib/python3.8/dist-packages/dtschema/lib.py", line
> > 1016, in iter_schema_errors
> >     meta_schema = cls.resolver.resolve_from_url(schema['$schema'])
> >   File "/usr/local/lib/python3.8/dist-packages/jsonschema/validators.py",
> > line 818, in resolve_from_url
> >     raise exceptions.RefResolutionError(exc)
> > jsonschema.exceptions.RefResolutionError: Expecting value: line 1
> > column 1 (char 0)
> > ./Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml:
> > mapping values are not allowed in this context
> >   in "<unicode string>", line 17, column 11
> > 
> > >  .../devicetree/bindings/clock/qcom,gcc.yaml   | 59 +-------------
> > >  2 files changed, 80 insertions(+), 55 deletions(-)
> > >  create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> > > new file mode 100644
> > > index 000000000000..4e5903bcd70d
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-other.yaml
> > > @@ -0,0 +1,76 @@
> > > +# SPDX-License-Identifier: GPL-2.0-only
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/clock/qcom,gcc-other.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Qualcomm Global Clock & Reset Controller Binding
> > > +
> > > +maintainers:
> > > +  - Stephen Boyd <sboyd@...nel.org>
> > > +  - Taniya Das <tdas@...eaurora.org>
> > > +
> > > +description:
> > > +  Qualcomm global clock control module which supports the clocks, resets and
> > > +  power domains.
> > > +
> > > +  See also:
> > 
> > I think the problem is here. You need a '|' after 'description' to
> > preserve formatting and ignore what looks like a mapping.
> >
> 
> Yes, I just sent a patch to fix this.
> Out of curiosity, any idea why this wasn't flagged by an old run of
> dt_binding_check? I totally remember running dt_binding_check on these
> Documentation and I had no problem. There was a bug in the old version
> and it does now correctly find these kind of errors?

Not sure exactly, but I don't think there was any change. v3 didn't 
have the issue and the bot checks didn't run on v4 or later. Probably 
because it couldn't apply them.

Rob