linux-kernel - RE: lanana: Add major/minor entries for PPC QE UART devices

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Date:	Wed, 28 Feb 2007 14:14:41 +0100
From:	"Mathiasen, Torben" <Torben.Mathiasen@...com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Timur Tabi" <timur@...escale.com>, <linux-kernel@...r.kernel.org>
Subject: RE: lanana: Add major/minor entries for PPC QE UART devices

> Mathiasen, Torben wrote:
> >
> > Got around looking at this one. I'm fine with this approach, but the
> > CPM5 fix looks wrong. Shouldn't it be:
> >
> > 49 = /dev/ttyCPM3		PPC CPM (SCC or SMC) - port 3
> >
> > instead?
> >
> 
> Well, how many CPM devices can exist?  If there are really 6 ports
> possible, they need minors up to 51.
> 
> Also, if QE really is just CPM v3, and they share the same minors, why
> change the name?
> 

Assuming QE has 4 entries, I would expect CPM to be the same. But we
need verification of that. If it needs 6, we are in more trouble.

Torben
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