From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [RESEND PATCH v3 03/11] ASoC: davinci-mcasp: Add DMA register locations to DT Date: Wed, 16 Oct 2013 16:04:38 +0100 Message-ID: <20131016150438.GN19196@e106331-lin.cambridge.arm.com> References: <66bdda0c0b75d737d649260b9ec10f9f870c20cd.1379590036.git.jsarha@ti.com> <20131007214718.GA2976@kartoffel> <20131008004641.GV21581@sirena.org.uk> <20131010165959.GB3910@e106331-lin.cambridge.arm.com> <5256E417.7010403@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <5256E417.7010403@ti.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Peter Ujfalusi Cc: "devicetree@vger.kernel.org" , "alsa-devel@alsa-project.org" , "joelf@ti.com" , "jsarha@ti.com" , "Hebbar, Gururaja" , "liam.r.girdwood@linux.intel.com" , Darren Etheridge , Mark Brown , "rob.herring@calxeda.com" , "bcousson@baylibre.com" , "grant.likely@linaro.org" , "linux-omap@vger.kernel.org" List-Id: devicetree@vger.kernel.org On Thu, Oct 10, 2013 at 06:29:59PM +0100, Peter Ujfalusi wrote: > On 10/10/2013 07:59 PM, Mark Rutland wrote: > >> No, they're not actually of much practical use to us at the minute but > >> it was generally felt better to include the information and not use it > >> so that if someone does come up with a use for them then the trees for > >> deployed systems already have the information. > > > > Sure, but if this device can generate multiple interrupts, we should > > make it possible to describe all of them, unambiguously. > > This is why Jyri added them to the DT. They are not used by the Linux driver, > but the HW have interrupt lines (two of them: TX and RX). The binding only describes a single interrupt, and even if multiple interrupts were listed, there's no way to disambiguate them (e.g. interrupt-names). It would be nice to remedy this. Cheers, Mark.