linux-kernel - Re: [PATCH 2/3] dt-bindings: arm: Document reboot mode magic

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Message-ID: <2d8c7cc2-2c6c-4539-abf3-81700f27b1a7@linaro.org>
Date:   Mon, 20 Nov 2023 17:41:52 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Elliot Berman <quic_eberman@...cinc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Satya Durga Srinivasu Prabhala <quic_satyap@...cinc.com>,
        Melody Olvera <quic_molvera@...cinc.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Florian Fainelli <florian.fainelli@...adcom.com>
Subject: Re: [PATCH 2/3] dt-bindings: arm: Document reboot mode magic

On 20/11/2023 16:45, Elliot Berman wrote:
> 
> 
> On 11/20/2023 2:56 AM, Krzysztof Kozlowski wrote:
>> On 17/11/2023 22:18, Elliot Berman wrote:
>>> -
>>> -additionalProperties: false
>>> +  - if:
>>> +      properties:
>>> +        compatible:
>>> +          contains:
>>> +            const: arm,psci-1.0
>>> +    then:
>>> +      $ref: /schemas/power/reset/reboot-mode.yaml#
>>> +      properties:
>>> +        # "mode-normal" is just SYSTEM_RESET
>>> +        mode-normal: false
>>> +      patternProperties:
>>> +        "^mode-.*$":
>>> +          maxItems: 2
>>
>> And if you tested the patch, it would tell you it can be max 1 item.
> 
> make dt_binding_check DT_SCHEMA_FILES=arm/psci.yaml

psci.example.dtb: psci: mode-edl: [[0]] is too short
psci.example.dtb: psci: mode-bootloader: [[1, 2]] is too short

psci.example.dtb: psci: Unevaluated properties are not allowed
('mode-bootloader', 'mode-edl' were unexpected)

> 
> passes for me. Rob explained why it's working (and why it shouldn't), 
> so I'll fix it according to his recommendation in v2.

Then you wanted uint32-matrix.


Best regards,
Krzysztof