[PATCH v4 19/21] drivers/of: Support adding sub-tree

[Benjamin Herrenschmidt]

On Tue, 2015-05-05 at 07:14 +1000, Benjamin Herrenschmidt wrote:
> So the "trivial" way to do it (and the way we have implemented the FW
> side so far) is to have the FW simply "flatten" the subtree below the
> slot and pass it to Linux, with the intent of expanding it back below
> the slot node.
> 
> This is what Gavin proposed patches do.
> 
> The overlay mechanism adds all sorts of features that we don't seen to
> need and would make the above more complex.

Guys, I never got a final answer from you on this. Are we ok with adding
the way to just expand a subtree or are you insistent we need to use the
overlap mechanism ?

Cheers,
Ben.