Re: [PATCH] pxa-camera: fix redefinition warnings and missing DMA definitions

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On Sat, 3 Jan 2009, Guennadi Liakhovetski wrote:

On Sat, 3 Jan 2009, Andy Walls wrote:

On Sat, 2009-01-03 at 15:04 +0100, Guennadi Liakhovetski wrote:

Can we pleeeeease somehow consider possibilities to move to a complete
kernel-tree development, or at least allow both. Whereas I personally see
no good way to have both. I really don't understand why you think, that
v4l users are not intelligent enough to compile complete kernel trees.
IMHO it is simpler, than compiling external drivers, but that's subjective
of course.

I'd just like to interject that my 53.333 kbps download speed on
dial-up, on a good day, makes an initial git clone (or whatever) of 150
MB a painful experience.

I think, I can understand you quite well, I only moved to DSL about 3
years ago, and the first DSL that I had was WLAN to some hot-spot with
varying quality and availability... But - you don't have to clone kernels
_often_. As you say, you only have to do this once. And I would make a
"shallow" clone - you don't need the whole kernel history since the
introduction of git. And yes, I think, it will make up those 150MB you're
referring above. And then, after the initial clone you just pull updates,
which is much less, as you certainly know. So, yes, the initial clone
would be painful for you, sorry... Is it at least a flat-rate?

Andy, I understand your concerns, but, on the other hand, sometimes I loose an entire day going back and forward between -git and -hg, when we have more serious conflicts. So, we really need to use a more standard approach. This envolves migrating to -git.

This can't happen soon, due to the reasons I've pointed on my previous email, but we need to address this during this year.

When we started with -hg, we had about 50-60 patches per kernel window. We're now having about 700! Since the changes for problems are exponential, as we have more patches, we're now 100x worse than before.

Compiling whole kernels: no big deal on a modern machine.

I'm sure also here not everyone will agree. I also only upgraded from my
Duron 900MHz less than a year ago.

make drivers/media/ allows you to compile just the V4L stuff. With this, you can check if your patches are ok against upstream. This is something that everyone should do, anyway.

Cheers,
Mauro
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