Re: introduce device_is_attached()

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Mon, Apr 16, 2012 at 07:49:28PM +0100, Iain Hibbert wrote:
> I'm kind of with David Young, surely this is what the softc is for.. so
> that the parent can keep track of which resources it has allocated (and by
> inference, not reallocate them to another device)

I agree with this too; numerous drivers/frameworks use the above scheme.
If you add this function, please refactor these to follow this new
(superfluous) idiom.

- Jukka.