From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756642Ab2FNSrH (ORCPT ); Thu, 14 Jun 2012 14:47:07 -0400 Received: from cassiel.sirena.org.uk ([80.68.93.111]:57699 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756579Ab2FNSrE (ORCPT ); Thu, 14 Jun 2012 14:47:04 -0400 Date: Thu, 14 Jun 2012 19:46:58 +0100 From: Mark Brown To: Lee Jones Cc: linus.walleij@stericsson.com, arnd@arndb.de, Linus Walleij , linux-kernel@vger.kernel.org, grant.likely@secretlab.ca, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver Message-ID: <20120614184656.GD30185@sirena.org.uk> References: <1339428307-3850-1-git-send-email-lee.jones@linaro.org> <1339428307-3850-10-git-send-email-lee.jones@linaro.org> <4FD6F0E8.5040606@linaro.org> <4FD83AAD.2010701@linaro.org> <4FD88761.9050703@linaro.org> <20120614183636.GB30185@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120614183636.GB30185@sirena.org.uk> X-Cookie: Do not try this at home. User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: broonie@sirena.org.uk X-SA-Exim-Scanned: No (on cassiel.sirena.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 14, 2012 at 07:36:36PM +0100, Mark Brown wrote: > You're not understanding Linus' point. The compatible string isn't > useful here because properties like the maximum clock rate of the bus > depend on the board design, not the silicon. The controller may be > perfectly happy to run at a given rate but other devices on the bus or > the electrical engineering of the PCB itself may restrict this further. Sorry, I read the next revision and see this was actually resolved OK. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver Date: Thu, 14 Jun 2012 19:46:58 +0100 Message-ID: <20120614184656.GD30185@sirena.org.uk> References: <1339428307-3850-1-git-send-email-lee.jones@linaro.org> <1339428307-3850-10-git-send-email-lee.jones@linaro.org> <4FD6F0E8.5040606@linaro.org> <4FD83AAD.2010701@linaro.org> <4FD88761.9050703@linaro.org> <20120614183636.GB30185@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20120614183636.GB30185-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Lee Jones Cc: linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, Linus Walleij , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-i2c@vger.kernel.org On Thu, Jun 14, 2012 at 07:36:36PM +0100, Mark Brown wrote: > You're not understanding Linus' point. The compatible string isn't > useful here because properties like the maximum clock rate of the bus > depend on the board design, not the silicon. The controller may be > perfectly happy to run at a given rate but other devices on the bus or > the electrical engineering of the PCB itself may restrict this further. Sorry, I read the next revision and see this was actually resolved OK. From mboxrd@z Thu Jan 1 00:00:00 1970 From: broonie@opensource.wolfsonmicro.com (Mark Brown) Date: Thu, 14 Jun 2012 19:46:58 +0100 Subject: [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver In-Reply-To: <20120614183636.GB30185@sirena.org.uk> References: <1339428307-3850-1-git-send-email-lee.jones@linaro.org> <1339428307-3850-10-git-send-email-lee.jones@linaro.org> <4FD6F0E8.5040606@linaro.org> <4FD83AAD.2010701@linaro.org> <4FD88761.9050703@linaro.org> <20120614183636.GB30185@sirena.org.uk> Message-ID: <20120614184656.GD30185@sirena.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jun 14, 2012 at 07:36:36PM +0100, Mark Brown wrote: > You're not understanding Linus' point. The compatible string isn't > useful here because properties like the maximum clock rate of the bus > depend on the board design, not the silicon. The controller may be > perfectly happy to run at a given rate but other devices on the bus or > the electrical engineering of the PCB itself may restrict this further. Sorry, I read the next revision and see this was actually resolved OK.