[TEST/REVIEW/HEADSUP] tty drivers mega-patch
Poul-Henning Kamp
phk at phk.freebsd.dk
Thu Jul 15 00:48:19 PDT 2004
In message <20040715171007.X2308 at epsplex.bde.org>, Bruce Evans writes:
>Compatibility is apparently unimportant, since the old names were not
>simply ttyd#* for most multiport drivers. They were often ttyd##*, where
>the first # is for the adapter (card) and the second number is for the
>port number within the adaptor.
This makes sense.
>'i' and 'l' were intentionally not placed at the end, to keep unit
>numbers at the end and to keep the initial and lock state devices out
>of the normal device namespace (so ttyd* matches only the data devices).
This makes less sense because it prevent us from using 'i' and 'l'
as tty driver identifiers.
>> > I would prefer to stick to the "tty" and "cua" prefixes however.
>
>Actually, cu* makes considerably more sense and is less of an
>anachronism than tty (teletypewriter, remember them? (*)).
I think we should be consistent here, I don't like serial
ports to have names like "ucom" and "uart", "dcons" etc.
>(*) I last saw one in about 1985. I've seen manual typewriters more
>recently (had some stored in the gararge until 7 years ago).
We have a working ASR33 in our museum and a flexowriter which almost
works again.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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