From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 26 Mar 2008 09:12:09 +1100 From: David Gibson To: Segher Boessenkool Subject: Re: DTS question Message-ID: <20080325221209.GB8281@localhost.localdomain> References: <20080320173302.7075a1d9@lappy.seanm.ca> <20080320181926.2ff7e297@lappy.seanm.ca> <47E2E4A2.9000801@freescale.com> <20080321001236.4e37bba4@lappy.seanm.ca> <20080321010941.5e4bf9d4@lappy.seanm.ca> <20080321070512.GA29010@localhost.localdomain> <22b5aa51cfbcba3072020c4897206473@kernel.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <22b5aa51cfbcba3072020c4897206473@kernel.crashing.org> Cc: Scott Wood , linuxppc-dev@ozlabs.org, Sean MacLennan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Mar 21, 2008 at 12:35:39PM +0100, Segher Boessenkool wrote: >>>> Convention is to use the stock ticker symbol. If the company is >>>> private and has no stock ticker symbol, then the company name should >>>> be used. >>> >>> I didn't know that. ADI it is then. >> >> Well.. stock ticker is the new convention. IEEE1275 used IEEE >> assigned OUI strings (Organization Unique Identifiers). Often those >> are the same as the stock ticker, but not always. > > Erm, an OUI is a 24-bit number. I think you're confusing something > here. Yes, I think I am. I somehow had the impression that in addition to the 24-bit OUIs used in MAC addresses, there were also string-form OUIs assigned. >> Stock ticker is a good choice for new things, but for anything from a >> vendor which has existing 1275 bindings for its products, I think we >> should keep the original assigned OUI, even if it differs from the >> stock ticker. > > Yes, when there is an existing binding, obviously you should use what > it says (unless that binding is *completely* broken). Compatibility > is good. > > Note that a stock symbol needs to be written in uppercase; in lowercase, > it is just a random name that has no collision protection. Um.. bit too late for that. AFAIK, uppercase has been used by *no-one* for stock ticker derived vendor IDs. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson