svn commit: r222449 - in head/sys: conf dev/iicbus powerpc/conf

[John Baldwin]

On Saturday, June 04, 2011 6:01:44 am Henrik Brix Andersen wrote:
> Hi,
> 
> On Jun 4, 2011, at 11:45, Andreas Tobler wrote:
> > The chip itself is not PowerMac specific. It contains four times the 
functionality of the ad7418 which is already in there. (dev/iicbus)
> > 
> > The ofw is only needed to detect the chip and to wire the sensor place to 
the right fan property. I think this could be refactored that it is PowerMac 
only and others could benefit from the driver too.
> 
> Right. Since iicbus(4) is a hinted bus, I believe the current scenario could 
be improved either by having a dynamic hints system (and an OFW specific layer 
that added hints about known devices at runtime) or perhaps an OFW iicbus 
subclass (didn't Nathan start on this in r186833?).

I would vote for the latter.  It is what we do for the ISA bus when PnPBIOS or 
ACPI enumerate devices on it.

-- 
John Baldwin