linux-kernel - Re: [PATCH 1/3] ASoC: dt-bindings: fsl,xcvr: Adjust the number of interrupts

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Date: Wed, 26 Jun 2024 15:35:12 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Shengjiu Wang <shengjiu.wang@...il.com>
Cc: Shengjiu Wang <shengjiu.wang@....com>, lgirdwood@...il.com,
 broonie@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, linux-sound@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
 festevam@...il.com, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] ASoC: dt-bindings: fsl,xcvr: Adjust the number of
 interrupts

On 26/06/2024 11:34, Krzysztof Kozlowski wrote:
>>>>      items:
>>>>        - description: WAKEUPMIX Audio XCVR Interrupt 1
>>>>        - description: WAKEUPMIX Audio XCVR Interrupt 2
>>>> +      - description: SPDIF wakeup interrupt from PHY
>>>>      minItems: 1
>>>>
>>>>    clocks:
>>>> @@ -88,6 +89,7 @@ required:
>>>>    - dma-names
>>>>
>>>>  allOf:
>>>> +  - $ref: dai-common.yaml#
>>>>    - if:
>>>>        properties:
>>>>          compatible:
>>>> @@ -112,7 +114,7 @@ allOf:
>>>>      else:
>>>>        properties:
>>>>          interrupts:
>>>> -          maxItems: 1
>>>> +          maxItems: 3
>>>
>>> I have doubts this was tested. The existing example should fail,
>>> although I did not see any reports. Not sure why.
>>
>> it is tested, because the minItems is 1. so the example can pass
>>
> 
> That's a very unexpected change in dtschema. It indeed passes, but is
> not correct. Why interrupts are flexible? This should be constrained.
> Let's wait for Rob's confirmation that this is not a bug in dtschema.

Yep we need here minItems as well, so this is strictly constrained or
please explain why this should be flexible.


Best regards,
Krzysztof