[Ksummit-2013-discuss] DT bindings as ABI [was: Do we have people interested in device tree janitoring / cleanup?]

[ben@decadent.org.uk (Ben Hutchings)]

On Thu, Jul 25, 2013 at 04:32:28PM -0400, Jason Cooper wrote:
[...]
> One of the things I've been trying to square up in my head is how to
> retain the history of the binding when moving to the new tree.  My
> current idea was to clone the kernel tree, add one patch deleting
> everything but the bindings and dts files, and one more patch moving
> things where we want them (arch/{powerpc,arm}/boot/dts -> dts).
> 
> Then, as needed, we could merge a kernel version tag and delete
> everything we don't need (code) in the merge commit.
> 
> The downside of this is it would be messy, the upside is that we could
> closely track the kernel tree (until the bindings and dts are moved
> out), and retain the history of the bindings and dts files.
[...]

It's *extremely* messy, but 'git filter-branch' might help to make a
clean tracking branch preserving history of just DT files.  David
Woodhouse did something like that for the linux-firmware repo
initially.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus