Re: [PATCH v4 00/10] Add support for RaspberryPi RP1 PCI device using a DT overlay

Andrea della Porta
2024-11-25T08:58:23Z

Hi Andrew,

On 20:26 Sun 24 Nov , Andrew Lunn wrote:
> > This patchset is also a first attempt to be more agnostic wrt hardware
> > description standards such as OF devicetree and ACPI, where 'agnostic'
> > means "using DT in coexistence with ACPI", as been already promoted
> > by e.g. AL (see [4]). Although there's currently no evidence it will also
> > run out of the box on purely ACPI system, it is a first step towards
> > that direction.
>
> When combined with CONFIG_PCI_DYNAMIC_OF_NODES and this patch series:
>
> https://patchwork.kernel.org/project/linux-pci/cover/20241114165446.611458-1-herve.codina@bootlin.com/

That's great. I'll do some tests as soon as I can start my rpi5 from ACPI,
I saw there has been some experimentation about it and should be feasible
to run it succesfuly.

>
> It probably does work, or is very near to working. Bootlin appear to
> have the LAN966x working on an ACPI system, and what you are adding is
> not very different.
>
> I'm also currently playing around in this area, trying to instantiate
> some complex networking hardware using DT overlays on an ACPI system.

Nice!

Cheers,
Andrea

>
> Andrew