Re: PNP and bus association

[Pierre Ossman]

Adam Belay wrote:

> Hi Pierre,
>
> The platform bus does not show the actual physical relationship either.  For
> x86, ACPI is typically needed to determine this. It would be easy to bind to
> spawn pnp devices off of an ISA bridge device, attached to the pci bus, but
> whether it's the actual physical parent would be very difficult to determine
> without firmware assistance.
>
> At the moment the pnp bus is only showing a logical bus relationship.  If we
> were to use ACPI to aid in the generation of the physical device tree, we
> could put these devices in the correct physical location.
>  
So it is correct behaviour that the device shows up under /sys/bus/pnp 
when found using PNP, and /sys/bus/platform when scanned for?
I'm trying to get it to work well with HAL and it would be nice if it 
could be found in a consistent way.

Rgds
Pierre

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