[PATCH v13 07/10] firmware: psci: Implement vendor-specific resets as reboot-mode
Shivendra Pratap
shivendra.pratap at oss.qualcomm.com
Mon Jul 28 08:54:06 PDT 2025
On 7/28/2025 5:53 PM, Krzysztof Kozlowski wrote:
> On 28/07/2025 14:03, Dmitry Baryshkov wrote:
>>>
>>>> and the reboot-mode is defined in the
>>>> previous patch. So, I'd assume, the path is defined.
>>>
>>> As I said, path is not. only psci/reboot-mode is.
>>
>> Do we have an _actual_ use case where PSCI node is not at at root node?
>
> Yes, many cases, because it belongs as well to firmware node.
>
>> If not, it's obviously a deficiency of the schema. Could you please
>> provide suggestions on how to describe that in DT schema?
>
> I do not see deficiency. There is no ABI that psci must be root node, so
> there is no issue to fix there.
>
> If you want to add such ABI, I will answer: no, don't, because we do not
> want paths or node names to be the ABI.
>
> Compatible is the ABI.
Will define a compatible for psci->reboot-mode node and use it to find the
node. Hope its fine to define a compatible for reboot-mode which is defined
as a property inside psci?
thanks.
>
> Best regards,
> Krzysztof
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