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From: linas@austin.ibm.com (Linas Vepstas)
To: Joachim Fenkes <FENKES@de.ibm.com>
Cc: Thomas Q Klein <tklein@de.ibm.com>,
	Jan-Bernd Themann <themann@de.ibm.com>,
	Paul Mackerras <pmac@au1.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	LinuxPPC-Dev <linuxppc-dev@ozlabs.org>,
	Christoph Raisch <raisch@de.ibm.com>,
	Nathan Lynch <ntl@pobox.com>, Paul Mackerras <paulus@samba.org>,
	Stefan Roscher <stefan.roscher@de.ibm.com>
Subject: Re: [PATCH 2.6.23] ibmebus: Prevent bus_id collisions
Date: Thu, 30 Aug 2007 16:28:16 -0500	[thread overview]
Message-ID: <20070830212816.GA4263@austin.ibm.com> (raw)
In-Reply-To: <OF9D1ED44F.896DCCC5-ONC1257347.0044D256-C1257347.004CFB07@de.ibm.com>

On Thu, Aug 30, 2007 at 04:00:56PM +0200, Joachim Fenkes wrote:
> 
> Plus, I rather like using 
> the full_name since it also contains a descriptive name as opposed to 
> being just nondescript numbers, helping the layman (ie user) to make sense 
> out of a dev_id.

Yes, well, but no. The location code is useful as a geographical
location: slots and devices are physically labelled with stickers 
so you can tell which is which.  Handy when you have to unplug stuff. 
By contrast, the device-tree full_name is mostly just gobldy-gook, 
with some crazy phb numbering in there that, after four years of 
staring at them, I still can't reliably do anything useful with.  
Location codes are nice. 

--linas

  parent reply	other threads:[~2007-08-30 21:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-29 16:15 [PATCH 2.6.23] ibmebus: Prevent bus_id collisions Joachim Fenkes
2007-08-29 18:12 ` Nathan Lynch
2007-08-29 18:33 ` jschopp
2007-08-30 14:00   ` Joachim Fenkes
2007-08-30 17:56     ` Nathan Lynch
2007-08-30 20:36     ` Joel Schopp
2007-08-30 21:28     ` Linas Vepstas [this message]
2007-08-31  8:57       ` Joachim Fenkes
2007-08-30 18:22 ` Arnd Bergmann
2007-08-31 14:34   ` Joachim Fenkes
2007-08-31 17:08     ` Arnd Bergmann
2007-08-31 17:46       ` Joachim Fenkes

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