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

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Message-Id: <20070227093623.9c54f1d3.randy.dunlap@oracle.com>
Date:	Tue, 27 Feb 2007 09:36:23 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Timur Tabi <timur@...escale.com>
Cc:	linux-kernel@...r.kernel.org, Torben.Mathiasen@...com
Subject: Re: lanana: Add major/minor entries for PPC QE UART devices

On Tue, 27 Feb 2007 11:25:10 -0600 Timur Tabi wrote:

> Hi,
> 
> (Email to device@...ana.org bounces, so I'm sending this to lkml instead.)

cc: to Torben


> I'm working on a UART device driver for the Freescale PowerPC QUICCEngine, which
> is a replacement for the CPM.  Since the QE is basically "CPM v3", and you can't
> have a CPM and a QE on the same board, I figure that they can share the same
> minor numbers.
> 
> I've attached a patch that adds these entries to major number 204.  Please not
> that there's a small typo for /dev/ttyCPM5, and I've fixed that in the patch as
> well.
> 
> Please let me know if my proposal/patch is acceptable, and if not, what changes
> you want me to make.  Thanks.
> 
> patch:
> 
> Fixed a typo with /dev/ttyCPM5.  Added entries for /dev/ttyQE0-3.  The QE
> is a replacement for the CPM, so they can share the same minor numbers.
> 
> --- devices-2.6+.txt	2007-02-22 13:37:18.000000000 -0600
> +++ devices-2.6+.new	2007-02-22 13:42:50.000000000 -0600
> @@ -2770,7 +2770,10 @@
>   		 45 = /dev/ttyMM1		Marvell MPSC - port 1
>   		 46 = /dev/ttyCPM0		PPC CPM (SCC or SMC) - port 0
>   		    ...
> -		 47 = /dev/ttyCPM5		PPC CPM (SCC or SMC) - port 5
> +		 49 = /dev/ttyCPM5		PPC CPM (SCC or SMC) - port 5
> +		 46 = /dev/ttyQE0		PPC QE (UCC) - port 0
> +		    ...
> +		 49 = /dev/ttyQE3		PPC QE (UCC) - port 3
>   		 50 = /dev/ttyIOC0		Altix serial card
>   		    ...
>   		 81 = /dev/ttyIOC31		Altix serial card
> 
> 
> -- 

---
~Randy
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