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Date: Fri, 26 Jul 2013 10:01:15 +0200
From: Richard Cochran <richardcochran@gmail.com>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
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Subject: Re: DT bindings as ABI [was: Do we have people interested in device
 tree janitoring / cleanup?]
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On Thu, Jul 25, 2013 at 03:37:53PM -0600, Jason Gunthorpe wrote:
> 
> We use DT has a kernel configuration input. Our environment is
> designed to guarantee 100% that the kernel and DT match exactly. DT
> very deliberately isn't an ABI boundary in our systems.

Think about what you just said.

The DT describes the *hardware* not the kernel. Why should you ever
need to update your DT at all?

(Hint: the answer is, because the DT system is broken.)

Thanks,
Richard