Re: [PATCH] spi/spidev: Convert to use unified device property API

Mika Westerberg
2014-12-30T07:37:20Z

On Mon, Dec 29, 2014 at 04:03:16PM +0000, Mark Brown wrote:
> On Mon, Dec 29, 2014 at 11:41:14AM +0200, Mika Westerberg wrote:
> > This will allow the driver to match using DT compatible property if the
> > device has ACPI _HID of "PRP0001" and accompanying "compatible" property
> > listed in _DSD.
>
> Which nobody should be doing since it's already totally broken for
> something to be using this on the DT side except in the one case of the
> Rohm device which is listed there. I don't want to merge anything which
> allows the breakage we're seeing with people putting spidev in their DTs
> to be propagated into ACPI, at most we should have something that
> specifically identifies individual devices only.

It is pretty convenient for testing SPI bus and that's why I thought
it would be good to have possibility to enumerate this in similar way
than DT does but I understand your point.