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Date:   Sat, 1 Aug 2020 23:27:02 +0200
From:   Pavel Pisa <pisa@....felk.cvut.cz>
To:     Rob Herring <robh@...nel.org>
Cc:     c.emde@...dl.org, devicetree@...r.kernel.org, mkl@...gutronix.de,
        linux-can@...r.kernel.org, socketcan@...tkopp.net,
        wg@...ndegger.com, davem@...emloft.net, mark.rutland@....com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        martin.jerabek01@...il.com, ondrej.ille@...il.com,
        jnovak@....cvut.cz, jara.beran@...il.com, porazil@...ron.com
Subject: Re: [PATCH v3 2/6] dt-bindings: net: can: binding for CTU CAN FD open-source IP core.

Hello Rob ad others,

On Wednesday 29 of July 2020 01:12:31 Pavel Pisa wrote:
> On Saturday 04 of January 2020 00:53:59 Rob Herring wrote:
> > On Sat, Dec 21, 2019 at 03:07:31PM +0100, pisa@....felk.cvut.cz wrote:
> > > From: Pavel Pisa <pisa@....felk.cvut.cz>
> > >
> > > Signed-off-by: Pavel Pisa <pisa@....felk.cvut.cz>
> > > ---
> > >  .../devicetree/bindings/net/can/ctu,ctucanfd.txt   | 61
> > > ++++++++++++++++++++++ 1 file changed, 61 insertions(+)
> > >  create mode 100644
> > > Documentation/devicetree/bindings/net/can/ctu,ctucanfd.txt
> >
> > Bindings are moving DT schema format now. Not something I'd require on a
> > respin I've already reviewed, but OTOH it's been 10 months to respin
> > from v2. So:
> >
> > Reviewed-by: Rob Herring <robh@...nel.org>
> >
> > If you have a v4, then please convert to a schema.
>

...

> I am trying to resolve that only one review feedback which I have received
> before v4 patches sending. I have spent half day to update and integrate
> self build packages to my stable Debian to can run
>
>    make -k dt_binding_check
>
> but unfortunately, I have not achieved promissing result even when tested
> on Linux kernel unpatched sources. I used actual git
> dt-schema/dt-doc-validate with 5.4 kernel build but I get only long series
> of

I have succeed to run make dt_binding_check on stable Debian with 5.4
kernel with only denumerable bunch of errors, probably normal one.
Details to make dt_binding_check usable on stable Debian later.

When invoked with base directory specified

/usr/local/bin/dt-doc-validate -u /usr/src/linux-5.4/Documentation/devicetree/bindings/ net/can/ctu,ctucanfd.yaml

then no problem is reported in ctu,ctucanfd.yaml .
Please is the specification correct even after human check?

> pi@...ee:/usr/src/linux-5.4-rt/_build/arm/px6$ make dt_binding_check -k
> GNUmakefile:40: *** mixed implicit and normal rules: deprecated syntax
> make -C /usr/src/linux-5.4-rt O=/usr/src/linux-5.4-rt/_build/arm/px6/
> ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- QTDIR=/usr/share/qt4
> dt_binding_check CHKDT   Documentation/devicetree/bindings/arm/actions.yaml
> /usr/src/linux-5.4-rt/Documentation/devicetree/bindings/arm/actions.yaml: 
> found incompatible YAML document in "<unicode string>", line 2, column 1
> make[3]: ***

The remark to save time of others, actual stable Debian Buster provides package
python3-ruamel.yaml in 0.15.34-1+b1 version. But use of make dt_binding_check
and dt-doc-validate and dt-validate with this version lead to many errors
"found incompatible YAML document". The validation tools can be make
to work when next packages are added and replaced in stable Debian

python3-pyrsistent 0.15.5-1
python3-pyfakefs 4.0.2-1
python3-zipp 1.0.0-3
python3-importlib-metadata 1.6.0
python3-jsonschema 3.2.0-3
python3-ruamel.yaml.clib 0.2.0-3
python3-ruamel.yaml 0.16.10-2

The dependencies and interdependence of the tools are really wide and that
the tools are unusable in the actual regular Debian stable distribution
should be described somewhere visible enough to save developers
time.

Best wishes,

                Pavel
-- 
                Pavel Pisa
    phone:      +420 603531357
    e-mail:     pisa@....felk.cvut.cz
    Department of Control Engineering FEE CVUT
    Karlovo namesti 13, 121 35, Prague 2
    university: http://dce.fel.cvut.cz/
    personal:   http://cmp.felk.cvut.cz/~pisa
    projects:   https://www.openhub.net/accounts/ppisa
    CAN related:http://canbus.pages.fel.cvut.cz/

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