Re: [net-next: PATCH 08/12] ACPI: scan: prevent double enumeration of MDIO bus children

From: Andrew Lunn
Date: Mon Jun 20 2022 - 15:11:48 EST


On Mon, Jun 20, 2022 at 05:02:21PM +0200, Marcin Wojtas wrote:
> The MDIO bus is responsible for probing and registering its respective
> children, such as PHYs or other kind of devices.
>
> It is required that ACPI scan code should not enumerate such
> devices, leaving this task for the generic MDIO bus routines,
> which are initiated by the controller driver.

I suppose the question is, should you ignore the ACPI way of doing
things, or embrace the ACPI way?

At least please add a comment why the ACPI way is wrong, despite this
being an ACPI binding.

Andrew