Re: [PATCH v1] Documentation/process: add soc maintainer handbook

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On Tue, May 16, 2023, at 10:57, Conor Dooley wrote:
> On Tue, May 16, 2023 at 10:31:19AM +0200, Krzysztof Kozlowski wrote:
>> On 15/05/2023 21:20, Conor Dooley wrote:
>
>> > + - Defer the devicetree changes to a release after the binding and driver have
>> > +   already been merged
>> > +
>> > + - Change the bindings in a shared immutable branch that is used as the base for
>> > +   both the driver change and the devicetree changes
>> 
>> The policy told to me some time ago was that no merges from driver
>> branch or tree are allowed towards DTS branch, even if they come only
>> with binding header change. There are exceptions for this, e.g. [1], but
>> that would mean we need to express here rules for cross-tree merges.
>
> I've got away with having an immutable branch for dt-binding headers!
> That said, Arnd did actually have a look at this (and suggested some
> changes) before I sent it & did not cry fowl about this section. IIRC,
> this is actually his wording, not mine.

Yes, I merge a lot of shared branches with dt-binding changes into the
soc/dt branch, and I wasn't aware of a policy against that, certainly did
not enforce it.

I generally object to changes touching drivers/* or anything else besides
arch/*/boot/dts, Documentation/devicetree/bindings/ and include/dt-bindings
in the dt branches, but I have made expections in the past when there
was a particular important reason.

    Arnd



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