[PATCH 1/4] arm64: dts: ti: k3-j721e-main: Make the "scm_conf" node a "simple-bus"
Krzysztof Kozlowski
krzk at kernel.org
Wed Jul 2 13:30:37 PDT 2025
On 01/07/2025 12:23, Jayesh Choudhary wrote:
> Hello Krzysztof,
>
> On 04/06/25 15:18, Jayesh Choudhary wrote:
>> Hello Krzysztof,
>>
>> On 03/06/25 16:32, Krzysztof Kozlowski wrote:
>>> On 03/06/2025 11:56, Jayesh Choudhary wrote:
>>>> The "scm_conf" bus need not be "syscon". Now that we have "pcie*_ctrl"
>>>> child nodes for "ti,syscon-pcie-ctrl" property in "pcie" nodes, change
>>>> "scm_conf" node to "simple-bus".
>>>> Also remove "reg" property as it is not needed by "simple-bus".
>>>
>>> This (possibly) affects all other users of DTS which were expecting this
>>> ABI. It's not only about forward-compatibility, but other projects.
>>>
>>> Maybe this doe snot matter for you, so explain that in commit msg and
>>> provide rationale why you are affecting other users.
>>>
>>>
>>
>> This should not affect other users of DTS. J784S4 already has this
>> change and it serves as a validation that DT nodes are compatible
>> with other projects (for example uboot driver handles it).
>> Other SoCs are being modified with taking J784S4 as a working reference.
>>
>> Considering this, do I still need to add something? Or is it okay
>> since I am not exactly affecting other projects?
>> Should I add something along the lines of "similar to j784s4...."?
>>
>
> Gentle ping on the above comment.
>
> I have checked other projects like Barebox. That supports TI K3 SoC
> but only AM62x and AM62L. Nothing in this series affects it.
Your answer is really not sufficient, just something to reply so I will
bug off, so I decided to ignore it.
This affects other projects - it is clearly visible in the diff. You
removed a compatible and you cannot do that.
Best regards,
Krzysztof
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