On Wednesday 31 of July 2013 17:07:19 Richard Cochran wrote:

On Wed, Jul 31, 2013 at 12:59:59PM +0200, Tomasz Figa wrote:

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On Wednesday 31 of July 2013 12:37:37 Maxime Bizon wrote:

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Board files are C code anyone has the skill to edit/understand/refactor.
Moving to DT and keep them in tree tightly coupled with the kernel
version just adds another layer of indirection for *no purpose*.

+1

That is exactly what I tried to say.

I agree with you to some extent. Don't be so extreme though. As I already 
said, this is not entirely "no purpose", as there are more benefits of having 
device tree than just separation from kernel tree.

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Linus started the whole thing some years ago by refusing to pull ARM
tree [1]. Reread his post, what he wants is clearly b).

Going a) does not solve any problem. You are just moving churn to
somewhere else. We had board files churn, then defconfigs churn, DTS
files (and associated drivers) will be next.

And at this rate, we are headed for another Linus ultimatum, sooner or
later.

(see end of the message)

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DT is self inflicted pain. It has to be for the greater good.

It has several benefits over board files that I mentioned above, possible
without fully separating them from kernel tree.

Every time a criticism is voiced about DT, the DT people stick their
fingers in their ears and say, "NAH, NAH, NAH, I CAN'T HEAR YOU!"

I won't comment this...

WRT to DT-as-platform-device, we would rather stick with the C code,
please. Just pushing the configuration tables into an external form
does not simplify the problem. In fact, it creates new problems by
inviting the possibility of a bootloader/DT/kernel mismatch.

Care to stop ignoring my points other than those defending ideas (nowhere 
stated as good or bad) from extreme opinions?

I said it many, many times, that a) and b) I proposed are just two extremes. 
It is unlikely that an extreme solution will be the best option to choose. I 
am strongly for something in the middle, just like I wrote in several of my 
previous replies.

This is something that should be commented, not those extreme options.

Best regards,
Tomasz