From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valentin Longchamp Subject: Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQ drivers Date: Tue, 23 Dec 2008 13:56:06 +0100 Message-ID: <4950DFE6.2060901@epfl.ch> References: <20081218225834.GJ20756@pengutronix.de> <20081222183753.GD1614@pengutronix.de> <20081223105006.GE1614@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20081223105006.GE1614@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.arm.linux.org.uk Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org+linux-arm-kernel=m.gmane.org@lists.arm.linux.org.uk To: Guennadi Liakhovetski , linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net, adaplas@gmail.com, linux-arm-kernel@lists.arm.linux.org.uk, Da Sascha Hauer wrote: > On Mon, Dec 22, 2008 at 09:10:03PM +0100, Guennadi Liakhovetski wrote: > >> If there are no other problems with v5, could we maybe take it as a basis >> and then I would submit a patch to reduce the number of IRQs? > > Please understand my concerns with this driver. It's a quite complex > beast and experience shows that once a driver is in the kernel it is far > more complicated to change it than to do it right the first way. You > know that I'm also interested in having a MX31 framebuffer (and camera) > driver in kernel but I want to make sure that it works properly and leaves > room for feature enhancements without having to refactor the whole > driver. > It would be good if someone else could throw his 2 cents into this > discussion. > I have been on holiday since last week and I don't really have time to comment on all this until my return from great ski weeks, but I have been following the discussion very attentively and I will for sure test and comment on these patches (camera is very important for our application) as soon as I get back to work in January. It's a bit tricky with this merge window in the "middle" of holidays for me. Valentin -- Valentin Longchamp, PhD Student, EPFL-STI-LSRO1 valentin.longchamp@epfl.ch, Phone: +41216937827 http://people.epfl.ch/valentin.longchamp MEA3485, Station 9, CH-1015 Lausanne ------------------------------------------------------------------- List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php