Re: [PATCH v2 3/3] drivers core: allow id match override when manually binding driver

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On Mon, Jun 27, 2016 at 09:40:38PM +0200, Michal Suchanek wrote:

> No. It's for buses that have some inherent identification. It's not for

> 1) generate random compatible and stick it in device tree

Don't generate a random compatible, generate one that accurately
describes your hardware.

> also AFAIK new_id is not automagic and not all buses have it.

Yes, this is the bit I've been trying to prompt you to implement rather
than going off doing something broken.

> So it would have to be implemented on SPI. How? On PCI new_id is a PCI
> id. What is it on SPI? ACPI PnP id? DT compatible? How do you tell?

Those sound like sensible ideas.

> And why when the bus does not even have IDs?

Identifiers are just a useful way of describing what the hardware is,
the fact that some of them can be read back from hardware isn't terribly
important here.

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