linux-kernel - Re: [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

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Date:   Tue, 14 Feb 2023 18:33:44 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>
Cc:     linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

Hi Krzysztof,

On 2023/02/13 18:10, Krzysztof Kozlowski wrote:
> On 13/02/2023 05:54, Kunihiko Hayashi wrote:
>> Add UniPhier SATA controller compatible string to the platform binding.
>> This controller needs maximum three reset controls.
>>
>> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
>> ---
>>   .../devicetree/bindings/ata/ahci-platform.yaml  | 17 +++++++++++++++++
>>   1 file changed, 17 insertions(+)
>>
>> Changes since v1:
>> - Restrict resets property changes with compatible strings
>> - Fix maxItems from two to three
>>
>> diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml
>> b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
>> index 7dc2a2e8f598..25dd5ffaa517 100644
>> --- a/Documentation/devicetree/bindings/ata/ahci-platform.yaml
>> +++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
>> @@ -45,6 +45,9 @@ properties:
>>                 - marvell,armada-8k-ahci
>>                 - marvell,berlin2-ahci
>>                 - marvell,berlin2q-ahci
>> +              - socionext,uniphier-pro4-ahci
>> +              - socionext,uniphier-pxs2-ahci
>> +              - socionext,uniphier-pxs3-ahci
>>             - const: generic-ahci
>>         - enum:
> 
> Top level is saying reset=1, so did you test your bindings?

Umm, I didn't see any errors on dt_binding_check, anyway I'll add
initial minItems:1 and maxItems:3 on top level first.

> 
>>             - cavium,octeon-7130-ahci
>> @@ -76,6 +79,20 @@ properties:
>>     resets:
>>       maxItems: 1
>>
>> +if:
> Keep it in allOf like in example-schema. Will save you one re-indent
> pretty soon...

I see. I'll move if clause into allOf, and also move the original allOf.

>> +  properties:
>> +    compatible:
>> +      contains:
>> +        enum:
>> +          - socionext,uniphier-pro4-ahci
>> +          - socionext,uniphier-pxs2-ahci
>> +          - socionext,uniphier-pxs3-ahci
>> +then:
>> +  properties:
>> +    resets:
>> +      minItems: 1
>> +      maxItems: 3
> 
> And entire allOf goes to the place like in example-schema.

I've got it. and I'll fix it (minItems:2).

Thank you,

---
Best Regards
Kunihiko Hayashi