On Fri, Mar 2, 2018 at 5:24 PM, Andre Przywara <andre.przyw...@arm.com> wrote:
> Regarding the whole forward/backward compatibility:
> I clearly see the difficulty in coming up with a "perfect" DT from day
> one, especially for badly documented SoCs, where mainlining is driven by
> hobbyists. So I was wondering if we introduce a grace period, where we
> declare the DT "unstable" or "subject to incompatible changes" for some
> releases (not too many). In hindsight we might declare 4.12 the stable
> DT base for the A64, for instance.
> This would allow us to start upstreaming early, with a small feature set
> only (just serial + clocks + pinctrl, as for the H6). Additional
> features (PMIC) might then add small incompatibilities (like this one
> here), until we are reasonably confident about the DT.
> Does that sound useful?

Kind of "staging" for DT ?

Vincent Legoll
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