linux-kernel - Re: [PATCH v3 03/18] dt-bindings: interrupt-controller: qcom-pdc: add compatible for sa8775p

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Message-ID: <b46028dc-b539-384c-78aa-2f5e6f6516f2@linaro.org>
Date:   Mon, 17 Apr 2023 09:55:03 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH v3 03/18] dt-bindings: interrupt-controller: qcom-pdc: add
 compatible for sa8775p

On 17/04/2023 09:27, Bartosz Golaszewski wrote:
> On Sun, Apr 16, 2023 at 5:04 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> On 14/04/2023 11:33, Bartosz Golaszewski wrote:
>>> On Thu, Apr 6, 2023 at 4:10 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>>>>
>>>> On Mon, Mar 27, 2023 at 2:53 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>>>>>
>>>>> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>>>>>
>>>>> Add a compatible for the Power Domain Controller on SA8775p platforms.
>>>>> Increase the number of PDC pin mappings.
>>>>>
>>>>> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>>>>> Cc: Thomas Gleixner <tglx@...utronix.de>
>>>>> Cc: Marc Zyngier <maz@...nel.org>
>>>>> ---
>>>>>  .../devicetree/bindings/interrupt-controller/qcom,pdc.yaml     | 3 ++-
>>>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
>>>>> index 94791e261c42..641ff32e4a6c 100644
>>>>> --- a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
>>>>> +++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
>>>>> @@ -26,6 +26,7 @@ properties:
>>>>>    compatible:
>>>>>      items:
>>>>>        - enum:
>>>>> +          - qcom,sa8775p-pdc
>>>>>            - qcom,sc7180-pdc
>>>>>            - qcom,sc7280-pdc
>>>>>            - qcom,sc8280xp-pdc
>>>>> @@ -53,7 +54,7 @@ properties:
>>>>>    qcom,pdc-ranges:
>>>>>      $ref: /schemas/types.yaml#/definitions/uint32-matrix
>>>>>      minItems: 1
>>>>> -    maxItems: 32 # no hard limit
>>>>> +    maxItems: 38 # no hard limit
>>
>> I don't think the limit is correct. I still see warnings with this
>> patch. We already have 57 elements, so limit should be I guess 128 or
>> something.
>>
> 
> You mean for other platforms? This limit applies to sa8775p as the

I see errors on sa8775p.

> goal of the patch is to add its own PDC compatible. If other platforms
> have more interrupts then we need to fix it first with a separate
> commit IMO. I'll send out two patches for that.

Best regards,
Krzysztof