Re: [PATCH 2/2] dt-bindings: dma: at_xdmac: document dma-channels property

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Hi Krzysztof,

On 05/02/25 7:46 pm, Krzysztof Kozlowski wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On 05/02/2025 14:58, Dharma.B@xxxxxxxxxxxxx wrote:
>> Hi Krzysztof,
>>
>> On 05/02/25 5:10 pm, Krzysztof Kozlowski wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> On Wed, Feb 05, 2025 at 11:17:03AM +0530, Dharma Balasubiramani wrote:
>>>> Add document for the property "dma-channels" for XDMA controller.
>>>
>>> I don't understand why. You are duplicating dma schema.
> 
> Here-----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Thanks for pointing it out.

> 
>>>
>>> The same as with other patch - your commit msg is redundant. You say
>>> what we see the diff but you never explain why you are doing these
>>> changes. And in both cases this is really non-obvious.
>>>
>>> Apply this feedback to all future contributions - say why you are doing
>>> changes instead of repeating what subject and diff are already saying.
>>
>> Thanks for your feedback, do you want me to include the description of
>> dma-channels from the diff in the commit message?
>>
>> The reason for this change is:
>> "This property is required when the channel count cannot be read from
>> the XDMAC_GTYPE register (which occurs when accessing from the
>> non-secure world on certain devices)."
>>
>> Isn't this already clear from the description in the diff?
> 
> 
> OK, so this describes why you need this. It does not solve why do you
> need this patch. Do you see any warnings?

No, I don’t see any warnings because this property is already defined in 
`dma-common.yaml`, which this binding references. You’re right—I’m 
unnecessarily duplicating the DMA schema. Please drop this patch. 
Apologies for the inconvenience.

> 
> Best regards,
> Krzysztof
> 


-- 
With Best Regards,
Dharma B.




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