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

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Date:	Wed, 4 Apr 2007 14:20:53 +0200
From:	Olivier Galibert <galibert@...ox.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	David Miller <davem@...emloft.net>, dwmw2@...radead.org,
	flar@...andria.com, paulus@...ba.org, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers.

On Wed, Apr 04, 2007 at 12:14:34PM +0100, Alan Cox wrote:
> > If you want hierarchy, create it:
> > 
> > /sys/blah/serial/controllerX/portY
> > 
> > and keeping them all under the ttyS? major keeps the simple
> > cases working sanely too.
> 
> Currently yes you could do that, but that would break all the back
> compatibility.

libata's hd->s* does that too, with probably a much larger impact.
Could udev be useful for once and make back compatibility symlinks?
Unifying serial the same way disks, cdroms, network, etc got unified
has some charm.

  OG.

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