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

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Date:	Wed, 4 Apr 2007 12:50:23 -0500
From:	linas@...tin.ibm.com (Linas Vepstas)
To:	David Lang <david.lang@...italinsight.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, paulus@...ba.org, dwmw2@...radead.org,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers.

On Tue, Apr 03, 2007 at 06:23:07PM -0700, David Lang wrote:
> 
> people working with ~50 serial ports or ethernet ports aren't useing stock 
> distros anyway.

???  For "big servers", Suse SLES and RedHat RHEL are the defacto choices, 
with Ubuntu a rising star. It doesn't get much more stock than that.

> > Which is also another reason for building the "all serial devices"
> > mapping by using udev, as it can provide multiple simultaneous views. The
> > serial console unfortunately rather breaks that approach as Dave pointed
> > out
> 
> I would reverse this. instead of having a bunch of different names and then 
> requiring a tool to create sane names from them, start off with a nice nameing 
> scheme and have a tool that tells you the under-the-covers details.

Except that udev already exists, and is widely deployed by most distros
to handle the "sane naming" problem. In particular, "sane naming"
becomes hard if devices can be hotplugged, whether they are usb or pci
(e.g. a usb-to-serial converter).

--linas

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