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

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Date: Thu, 27 Jun 2024 10:14:59 +0800
From: Shengjiu Wang <shengjiu.wang@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
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 Wed, Jun 26, 2024 at 9:35 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> 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.
>
Ok, will add minitems:3 here, and update example.

Best regards
Shengjiu Wang
>
> Best regards,
> Krzysztof
>