From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 27.mail-out.ovh.net ([91.121.30.210]) by bombadil.infradead.org with smtp (Exim 4.72 #1 (Red Hat Linux)) id 1OgbEv-0001m7-HL for barebox@lists.infradead.org; Wed, 04 Aug 2010 10:30:28 +0000 Date: Wed, 4 Aug 2010 12:25:45 +0200 From: Jean-Christophe PLAGNIOL-VILLARD Message-ID: <20100804102545.GB12545@game.jcrosoft.org> References: <20100802120213.GC13044@game.jcrosoft.org> <20100804064641.GB17208@jasper.tkos.co.il> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20100804064641.GB17208@jasper.tkos.co.il> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 0/3] arm/imx: serial number / UID support To: Baruch Siach Cc: barebox@lists.infradead.org On 09:46 Wed 04 Aug , Baruch Siach wrote: > Hi Jean-Christophe, > > On Mon, Aug 02, 2010 at 02:02:13PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > > serial number is more for board ref than CPU ref > > as you can easly read it from the register. > > > > So why pass it via the ATAG? > > The point of the serial number ATAG is to uniquely identify the system. > Getting this unique ID from the CPU is as good as any other IMO. I'm not aware > of any other UID source on the mx25 3DS system. Besides, having the serial > number nicely listed in /proc/cpuinfo is far easier than reading registers. > > Anyway, patches 1 and 2 in this series are useful on their own, I think. I > intend to use this functionality for our own board. I've added the mx25 3ds > two lines patch to justify the bloat :). I agree about the other patch I just do not think we need to pass the CPUID to the kernel as he can easly get it by himself IMHO Best Regards, J. _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox