> Am creating pseudo device instances and have some attach arguments
> that the device would like to see, but config_attach_pseudo() does
> not pass aux arguments through to the device attach routine as
> config_found() would.

> I can configure the device externally (I get the softc back and can
> twiddle it directly) but it seems cleaner for the device attach()
> routine to handle that.

I've always wondered why pseudo-devices don't attach to a "pseudo" bus,
one that has no hardware behind it and exists solely for pseudo-devices
to attach to.  That's what I did when I wanted to build a particular
flavour of pseudo-disk and discovered I needed it to have a struct
device for internal purposes.

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