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Date:      Wed, 30 Dec 1998 12:07:17 -0700
From:      Warner Losh <imp@village.org>
To:        "Louis A. Mamakos" <louie@TransSys.COM>
Cc:        current@FreeBSD.ORG
Subject:   Re: X-ten 
Message-ID:  <199812301907.MAA00595@harmony.village.org>
In-Reply-To: Your message of "Wed, 30 Dec 1998 11:23:23 EST." <199812301623.LAA26381@whizzo.transsys.com> 
References:  <199812301623.LAA26381@whizzo.transsys.com>  <Pine.BSF.4.05.9812300218090.63365-100000@hcarp00g.ca.nortel.com> 

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In message <199812301623.LAA26381@whizzo.transsys.com> "Louis A. Mamakos" writes:
: I don't know what the installed base of users for the TW-523 driver in
: FreeBSD, but it seems rather doubtful that many new instances of these
: are popping up.  There are a newer generation of X-10 powerline computer
: interfaces that plug into a serial ports, and this seems to be the more
: popular alternative these days.

While it is an alternative these days, it is still a more costly
alternative.  When I was looking at X-10 hardware this past fall, I
noticed that the TW-523 interface ran approx $30-$40 assembled, while
the serial versions ran more like $80 (kit) or $120 (assembled).
There is nothing wrong with the TW-523 interface, and given its cost
advantage, I suspect it will be around for a long time to come.

I've sent mail to phk privately, but will say here publicly that if
the current xten maintainer were to go missing, I'd gladly step into
the breach.

Until such time as we have a good build environment for loadable
drivers, a good devfs implementation that is default and some way to
have ports for kernel hunks, I think it premature to remove a working,
used and maintained driver from the tree.  While source tree cleanup
is a luadable goal, there needs to be more infrastructure in place
before drivers are cut loose.

Warner

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