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SubjectRe: [PATCH v3 11/11] arm64: dts: qcom: sc7180: Add pdc interrupt controller
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On 10/31/2019 1:20 AM, Matthias Kaehlcke wrote:
> On Tue, Oct 29, 2019 at 09:50:40AM -0700, Stephen Boyd wrote:
>> Quoting Rajendra Nayak (2019-10-23 02:02:19)
>>> From: Maulik Shah <mkshah@codeaurora.org>
>>>
>>> Add pdc interrupt controller for sc7180
>>>
>>> Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
>>> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
>>> ---
>>> v3:
>>> Used the qcom,sdm845-pdc compatible for pdc node
>>
>> Everything else isn't doing the weird old compatible thing. Why not just
>> add the new compatible and update the driver? I guess I'll have to go
>> read the history.
>
> Marc Zyngier complained on v2 about the churn from adding compatible
> strings for identical components, and I kinda see his point.
>
> I agree that using the 'sdm845' compatible string for sc7180 is odd too.
> Maybe we should introduce SoC independent compatible strings for IP blocks
> that are shared across multiple SoCs? If differentiation is needed SoC
> specific strings can be added.

Sure, I will perhaps add a qcom,pdc SoC independent compatible to avoid
confusion.


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