Re: [PATCH 02/13] arm64: dts: qcom: msm8916/39: Add QDSP6

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On Tue, Sep 26, 2023 at 09:05:24PM +0200, Konrad Dybcio wrote:
> On 26.09.2023 20:54, Stephan Gerhold wrote:
> > On Tue, Sep 26, 2023 at 08:46:36PM +0200, Konrad Dybcio wrote:
> >> On 26.09.2023 18:51, Stephan Gerhold wrote:
> >>> MSM8916 and MSM8939 do not have a dedicated ADSP. Instead, the audio
> >>> services via APR are also implemented by the modem DSP. Audio can be
> >>> either routed via the modem DSP (necessary for voice call audio etc)
> >>> or directly sent to the LPASS hardware (currently used by DB410c).
> >>> Bypassing QDSP6 audio is only possible with special firmware
> >>> (on DB410c) or when the modem DSP is completely disabled.
> >>>
> >>> Add the typical nodes for QDSP6 audio to msm8916.dtsi and msm8939.dtsi.
> >>> The apr node is disabled by default to avoid changing behavior for
> >>> devices like DB410c that use the bypassed audio path.
> >>>
> >>> Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
> >>> ---
> >> I'm generally grumpy with regards to multi-soc changes that
> >> have no need to be multi-soc..
> >>
> > 
> > Well it's 100% the same diff so reviewing it separately doesn't really
> > make sense IMHO. When I do "msm8916/39" patches these are generally the
> > changes where strictly speaking there is no need to duplicate at all.
> > It could go into a common include between both. We just haven't found
> > a good solution/agreement yet how sharing SoC components could work.
> My bottom line is that, somebody trying to track down an issue on
> one may need to unnecessarily resolve 2 merge conflicts when reverting :/

I mean you could easily discard the changes in the other .dtsi. Probably
a single shell command if one knows enough "Git-fu".


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