linux-kernel - Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers.

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Date:	Wed, 4 Apr 2007 14:20:34 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Brad Boyer <flar@...andria.com>,
	David Woodhouse <dwmw2@...radead.org>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers.

Alan Cox writes:

> That would be completely unmanagable on many systems with multiport
> controllers and interfaces where the naming tells you things like which
> cable port off which socket off which multiplexor is the one you are
> talking about.

I never suggested *all* serial ports should be /dev/ttySn, I said that
the built-in ports on the motherboard should be /dev/ttySn.  The
built-in ports can generally be enumerated early on boot in a stable
order, and they should be assigned the low ttySn numbers, regardless
of what chip is used to implement them.

Paul.
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