linux-kernel - Re: [PATCH v3 05/11] spi: dw: Add Pensando Elba SoC SPI Controller bindings

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Date:   Mon, 15 Nov 2021 14:24:40 -0800
From:   Brad Larson <brad@...sando.io>
To:     Serge Semin <fancer.lancer@...il.com>
Cc:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Rob Herring <robh@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Mark Brown <broonie@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Olof Johansson <olof@...om.net>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 05/11] spi: dw: Add Pensando Elba SoC SPI Controller bindings

Hi Sergey,

On Thu, Oct 28, 2021 at 12:49 AM Serge Semin <fancer.lancer@...il.com> wrote:
>
> On Sun, Oct 24, 2021 at 06:51:50PM -0700, Brad Larson wrote:
> > The Pensando Elba SoC has integrated the DW APB SPI Controller
>
> Please add the "dt-bindings: " prefix to the patch name and discard
> the word "bindings" from the title as the submitting DT-patches
> requires:
> Documentation/devicetree/bindings/submitting-patches.rst

I'll add that.  I recall looking at the recent git log for similar
changes to the file as the current recommended approach.

> >
> > Signed-off-by: Brad Larson <brad@...sando.io>
> > ---
> >  Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > index d7e08b03e204..0b5ebb2ae6e7 100644
> > --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > @@ -73,6 +73,8 @@ properties:
> >                - renesas,r9a06g032-spi # RZ/N1D
> >                - renesas,r9a06g033-spi # RZ/N1S
> >            - const: renesas,rzn1-spi   # RZ/N1
>
> > +      - description: Pensando Elba SoC SPI Controller
> > +        const: pensando,elba-spi
>
> AFAICS from the driver-part of the patchset it's not enough. You've
> also got the syscon phandle, which needs to be reflected in the
> bindings. That also makes me thinking that you didn't perform the
> "dtbs_check" on the dts-files you were going to submit, but for some
> reason discarded from this series (btw why?). If you did you would
> have got an error of an unevaluated property detection.

I ran the checks below and didn't get errors.  Rob provided some info
and I found the server did not have yamllint installed (not flagged by
tool).  Also dt-schema was not the latest.  I'm re-doing this and
including "DT_CHECKER_FLAGS=-m" as that is new with v5.13.

make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/vendor-prefixes.yaml
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/pensando,elba.yaml

make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/vendor-prefixes.yaml
make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/pensando,elba.yaml

Thanks
Brad