Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751898AbYLWNC5 (ORCPT ); Tue, 23 Dec 2008 08:02:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750995AbYLWNCt (ORCPT ); Tue, 23 Dec 2008 08:02:49 -0500 Received: from smtp0.epfl.ch ([128.178.224.219]:41912 "HELO smtp0.epfl.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750945AbYLWNCs (ORCPT ); Tue, 23 Dec 2008 08:02:48 -0500 X-Greylist: delayed 399 seconds by postgrey-1.27 at vger.kernel.org; Tue, 23 Dec 2008 08:02:48 EST Message-ID: <4950DFE6.2060901@epfl.ch> Date: Tue, 23 Dec 2008 13:56:06 +0100 From: Valentin Longchamp User-Agent: Thunderbird 2.0.0.18 (X11/20081125) MIME-Version: 1.0 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, Dan Williams Subject: Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQ drivers References: <20081218225834.GJ20756@pengutronix.de> <20081222183753.GD1614@pengutronix.de> <20081223105006.GE1614@pengutronix.de> In-Reply-To: <20081223105006.GE1614@pengutronix.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1621 Lines: 37 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/