Re: [PATCH v2 2/4] dt-bindings: PCI: mediatek,mt7621: add missing child node reg

[Krzysztof Kozlowski]

On 10/04/2024 23:26, Bjorn Helgaas wrote:
> On Wed, Apr 10, 2024 at 08:15:19PM +0200, Krzysztof Kozlowski wrote:
>> MT7621 PCI host bridge has children which apparently are also PCI host
>> bridges, at least that's what the binding suggest.
> 
> What does it even mean for a PCI host bridge to have a child that is
> also a PCI host bridge?
> 
> Does this mean a driver binds to the "parent" host bridge, enumerates
> the PCI devices below it, and finds a "child" host bridge?

I think the question should be towards Mediatek folks. I don't know what
this hardware is exactly, just looks like pci-pci-bridge. The driver
calls the children host bridges as "ports".

Best regards,
Krzysztof