linux-kernel - Re: [PATCH] dt-bindings: mtd: spi-nand: Convert to DT schema format

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Date:   Tue, 20 Jul 2021 19:43:30 +0530
From:   "Nandan, Apurva" <a-nandan@...com>
To:     Rob Herring <robh@...nel.org>
CC:     Pratyush Yadav <p.yadav@...com>, Michael Walle <michael@...le.cc>,
        Vignesh Raghavendra <vigneshr@...com>,
        <linux-mtd@...ts.infradead.org>,
        Richard Weinberger <richard@....at>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: mtd: spi-nand: Convert to DT schema format



On 19-Jul-21 7:17 PM, Rob Herring wrote:
> On Sun, 18 Jul 2021 00:41:25 +0000, Apurva Nandan wrote:
>> Convert spi-nand.txt binding to YAML format with an added example.
>>
>> Signed-off-by: Apurva Nandan <a-nandan@...com>
>> ---
>>  .../devicetree/bindings/mtd/spi-nand.txt      |  5 --
>>  .../devicetree/bindings/mtd/spi-nand.yaml     | 74 +++++++++++++++++++
>>  2 files changed, 74 insertions(+), 5 deletions(-)
>>  delete mode 100644 Documentation/devicetree/bindings/mtd/spi-nand.txt
>>  create mode 100644 Documentation/devicetree/bindings/mtd/spi-nand.yaml
>>
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.example.dt.yaml: spi-flash@1: $nodename:0: 'spi-flash@1' does not match '^flash(@.*)?$'

I propose to change the nodename in snps,dw-apb-ssi.yaml from
'spi-flash@1' to 'flash@1', making it similar to the convention followed
by jedec,spi-nor.yaml. Currently, there is no user of snps,dw-apb-ssi
with a spi-nand as child node, so let's make the node name uniform
across different types of flashes i.e. 'flash@*'. What do you suggest?

> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/spi-nand.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.example.dt.yaml: spi-flash@1: 'rx-sample-delay-ns' does not match any of the regexes: '^otp(-[0-9]+)?$', '^partition@', 'pinctrl-[0-9]+'
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/spi-nand.yaml
> \ndoc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/patch/1506558
> 
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit.
> 

Yes, yamllint was not installed. I will correct them and send as v2.

Thanks,
Apurva Nandan