Re: [PATCH] dt-bindings: PCI: snps,dw-pcie: Drop "#interrupt-cells" from example

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On Fri, Nov 15, 2024 at 1:26 AM Manivannan Sadhasivam
<manivannan.sadhasivam@xxxxxxxxxx> wrote:
>
> On Tue, Nov 05, 2024 at 03:32:16PM -0600, Rob Herring (Arm) wrote:
> > "#interrupt-cells" is not valid without a corresponding "interrupt-map"
> > or "interrupt-controller" property. As the example has neither, drop
> > "#interrupt-cells". This fixes a dtc interrupt_provider warning.
> >
>
> But the DWC controllers have an in-built MSI controller. Shouldn't we add
> 'interrrupt-controller' property then?

Why? Is that needed for the MSI controller to function? I don't think so.

Now we do have "interrupt-controller" present for a number of MSI
providers. I suspect that's there to get OF_DECLARE to work, but I
doubt we really need MSI controllers initialized early.

Rob





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