Re: [PATCH 02/17] dt-bindings: arm: apple: apple,pmgr: Add t8112-pmgr compatible

[Krzysztof Kozlowski]

On 13/02/2023 12:57, Janne Grunau wrote:
> On 2023-02-13 12:10:36 +0100, Krzysztof Kozlowski wrote:
>> On 12/02/2023 16:41, Janne Grunau wrote:
>>> The block on Apple M2 SoCs is compatible with the existing driver so
>>> just add its per-SoC compatible.
>>>
>>> Signed-off-by: Janne Grunau <j@xxxxxxxxxx>
>>>
>>> ---
>>> This trivial dt-bindings update should be merged through the asahi-soc
>>> tree to ensure validation of the Apple M2 (t8112) devicetrees in this
>>> series.
>>
>> No, the bindings go via subsystem. Just because you want to validate
>> something is not really a reason - you can validate on next. Don't
>> create special rules for Asahi... or rather - why Asahi is special than
>> everyone else?
> 
> We did that 2 or 3 times in the past without commnts that it is not 
> desired so I wasn't aware that this would be special handling.
> 
> Merging binding and devicetree updates together looks to me like the 
> most sensible option since dtbs validation is the only testable 
> dependecy of dt binding updates.
> Keeping them together ensures the dtbs validate without delaying 
> devicetree changes by one kernel release after the dt-bindings change 
> was merged.
> I suppose it works out most of the time if the merge request is sent 
> only if it validates in next. That still depends on the merge order in 
> the merge window but -rc1 should be fine.

BTW, your approach causes also bisectability with checkpatch on the
drivers or the delay of drivers... Therefore not much solved here.

Best regards,
Krzysztof