linux-kernel - Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQ drivers

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Date:	Tue, 23 Dec 2008 13:56:06 +0100
From:	Valentin Longchamp <valentin.longchamp@...l.ch>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>,
	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net, adaplas@...il.com,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQ drivers

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@...l.ch, Phone: +41216937827
http://people.epfl.ch/valentin.longchamp
MEA3485, Station 9, CH-1015 Lausanne
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