Re: [PATCH v2 2/3] dt-bindings: mmc: meson-gx: support specifying cd interrupt

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On 16/02/2023 10:29, Heiner Kallweit wrote:
> On 16.02.2023 10:18, Krzysztof Kozlowski wrote:
>> On 14/02/2023 22:42, Heiner Kallweit wrote:
>>> Support passing a second interrupt as card detect interrupt.
>>>
>>> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
>>> ---
>>>  Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml
>>> index 46e235bf2..c8c30300d 100644
>>> --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml
>>> +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml
>>> @@ -28,7 +28,7 @@ properties:
>>>      maxItems: 1
>>>  
>>>    interrupts:
>>> -    maxItems: 1
>>> +    maxItems: 2
>>
>> Wait, you now *require* (not support) cd interrupt, so this looks like
>> ABI break.
>>
> The second interrupt is optional. If not provided MMC core falls back to
> cd polling.

It is not. Your binding requires it. Did you test it on DTS without the
second interrupt?

> 
>> Second, you must describe the items.
>>
> OK, this will be added.


Best regards,
Krzysztof




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