Messages in this thread | | | Date | Sat, 29 Jan 2005 01:43:36 +0100 | From | Pierre Ossman <> | Subject | Re: PNP and bus association |
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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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