Re: [RFC PATCH 1/2] ACPI / PNP: Don't add "enumeration_by_parent" devices

[Mika Westerberg]

On Thu, Apr 26, 2018 at 03:23:17PM +0100, John Garry wrote:
> Not that I know about. Can you describe this method? I guess I also don't
> need to set the mfd_cell pnpid either for this special case device.

There is some documentation in "MFD devices" chapter of
Documentation/acpi/enumeration.txt at least.