Re: [PATCH] dt-bindings: arm: cpus: Deprecate Qualcomm generic compatibles

[Rob Herring]

On Thu, Jan 15, 2026 at 11:19:47AM +0100, Konrad Dybcio wrote:
> On 1/15/26 9:35 AM, Krzysztof Kozlowski wrote:
> > Move four compatibles for Qualcomm Krait, Kryo, Oryon and Scorpion
> > custom CPU cores out of the enum into separate one with deprecated: true
> > annotation, because these are too generic names.
> > 
> > These are names of the families and there are significant differences
> > within individual processors, e.g. Kryo6xx can based on architectures
> > from Cortex-X2, A710, A510 to A78 and probably more.
> > 
> > Just like other vendor processors are differentiated, also Qualcomm CPUs
> > should come with specific compatibles.
> > 
> > Cc: Bjorn Andersson <andersson@xxxxxxxxxx>
> > Cc: Konrad Dybcio <konradybcio@xxxxxxxxxx>
> > Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> > ---
> 
> [...]
> 
> > -      - arm,armv8 # Only for s/w models
> 
> I'm still bitter about this one existing
> 
> $ rg '"arm,armv8"' arch -l | sort
> 
> arch/arm64/boot/dts/arm/foundation-v8.dtsi
> 
> This makes some sense (see [1])
> 
> arch/arm64/boot/dts/arm/fvp-base-revc.dts
> arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
> 
> These seem to be spawned with a specific virtualized Cortex type

No, these are "generic" cores where arch features can be turned on/off 
and configured.

> 
> arch/arm64/boot/dts/nvidia/tegra264.dtsi

It's hard to keep new ones from sneaking in...

Rob