From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Likely Subject: Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage Date: Tue, 14 Jun 2011 16:06:32 -0600 Message-ID: References: <1307858800-16712-1-git-send-email-nicolas.pitre@linaro.org> <201106142232.02217.arnd@arndb.de> <201106142342.29405.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <201106142342.29405.arnd-r2nGTMty4D4@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Arnd Bergmann Cc: Nicolas Pitre , Tony Lindgren , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Russell King - ARM Linux , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Tue, Jun 14, 2011 at 3:42 PM, Arnd Bergmann wrote: > On Tuesday 14 June 2011 23:21:52 Nicolas Pitre wrote: >> Otherwise, if the revision number is effectively non probable, then I >> would guess it is the device tree's purpose to carry that information >> somehow, right? =A0Maybe this can be appended to the board name string? > > That's what I meant with adding it to "compatible", which is a list of > strings with varying degrees of detailed information, e.g. > > =A0ti,omap7 > =A0ti,omap7-squirrelboard > =A0ti,omap7-squirrelboard-v3 > =A0ti,omap7-squirrelboard-v3.17b > > You can match the list against a specific revision or a less specific > identifier if you just want to know whether you are on a squirrelboard > or a hamsterboard. Yes, that's generally the right way to handle it. In practice I've not seen many cases where it is really required, but it doesn't hurt if somebody wants to include it in the DT for their board. g.