PERFORCE change 170842 for review

[Hans Petter Selasky]

On Thursday 19 November 2009 23:47:59 Nathan Whitehorn wrote:
> Hans Petter Selasky wrote:
> > http://p4web.freebsd.org/chv.cgi?CH=170842
> >
> > Change 170842 by hselasky at hselasky_laptop001 on 2009/11/19 22:34:49
> >
> >
> > 	USB input:
> > 		 - ATP patch from Rohit Grover:
> > 		   - fixes some minor issues and
> > 		     makes the control transfer
> > 		     fully asynchronous
>
> [...]
>
> > @@ -1530,7 +1574,7 @@
> >  		return (ENXIO);
> >
> >  	if (usbd_lookup_id_by_uaa(atp_devs, sizeof(atp_devs), uaa) == 0)
> > -		return BUS_PROBE_SPECIFIC;
> > +		return 0;
> >  	else
> >  		return ENXIO;
> >  }
>
> Why are you replacing symbolic constants with less informative numeric
> ones? -Nathan

Because returning zero in probe has special meaning and is hardcoded in the 
subr_bus.c code aswell. The other return values will not be changed.

--HPS