Re: [PATCH v2 16/21] dt-bindings: spi: document support for SA8255p

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On 9/5/2024 7:39 AM, Krzysztof Kozlowski wrote:
> On 05/09/2024 16:15, Nikunj Kela wrote:
>> On 9/5/2024 7:09 AM, Krzysztof Kozlowski wrote:
>>> On 05/09/2024 16:03, Nikunj Kela wrote:
>>>> On 9/5/2024 1:04 AM, Krzysztof Kozlowski wrote:
>>>>> On 04/09/2024 23:06, Nikunj Kela wrote:
>>>>>> On 9/4/2024 9:58 AM, Andrew Lunn wrote:
>>>>>>>> Sorry, didn't realize SPI uses different subject format than other
>>>>>>>> subsystems. Will fix in v3. Thanks
>>>>>>> Each subsystem is free to use its own form. e.g for netdev you will
>>>>>>> want the prefix [PATCH net-next v42] net: stmmac: dwmac-qcom-ethqos:
>>>>>> of course they are! No one is disputing that.
>>>>>>> This is another reason why you should be splitting these patches per
>>>>>>> subsystem, and submitting both the DT bindings and the code changes as
>>>>>>> a two patch patchset. You can then learn how each subsystem names its
>>>>>>> patches.
>>>>>> Qualcomm QUPs chips have serial engines that can be configured as
>>>>>> UART/I2C/SPI so QUPs changes require to be pushed in one series for all
>>>>>> 3 subsystems as they all are dependent.
>>>>> No, they are not dependent. They have never been. Look how all other
>>>>> upstreaming process worked in the past.
>>>> Top level QUP node(patch#18) includes i2c,spi,uart nodes.
>>>> soc/qcom/qcom,geni-se.yaml validate those subnodes against respective
>>>> yaml. The example that is added in YAML file for QUP node will not find
>>>> sa8255p compatibles if all 4 yaml(qup, i2c, spi, serial nodes) are not
>>>> included in the same series.
>>>>
>>> So where is the dependency? I don't see it. 
>> Ok, what is your suggestion on dt-schema check failure in that case as I
>> mentioned above? Shall we remove examples from yaml that we added?
> I don't understand what sort of failure you want to fix and why examples
> have any problem here. 

If the QUPs yaml changes are not included in the same series with
i2c,serial yaml changes, you see these errors:

/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.example.dtb: geniqup@9c0000: serial@990000:compatible:0: 'qcom,sa8255p-geni-uart' is not one of ['qcom,geni-uart', 'qcom,geni-debug-uart']
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.example.dtb: geniqup@9c0000: i2c@984000:compatible:0: 'qcom,sa8255p-geni-i2c' is not one of ['qcom,geni-i2c', 'qcom,geni-i2c-master-hub']

> I said it multiple times already but I think you
> never confirmed. Do you understand how patches are merged? That they go
> via different trees but everything must be 100% bisectable?
>
> Best regards,
> Krzysztof
>




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