Re: [PATCH v2 3/3] arm64: dts: qcom: msm8998: set qcom,no-msa-ready-indicator for wifi

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On Wed, 3 Apr 2024 at 16:05, Marc Gonzalez <mgonzalez@xxxxxxxxxx> wrote:
>
> On 02/04/2024 17:55, Dmitry Baryshkov wrote:
>
> > On Tue, 2 Apr 2024 at 18:31, Marc Gonzalez wrote:
> >
> >> So, if I understand correctly, I take this to mean that I should:
> >>
> >> 1) DELETE the qcom,no-msa-ready-indicator boolean property,
> >> 2) ADD a "qcom,msm8998-wifi" (name OK?) compatible,
> >
> > I'd say, this is not correct. There is no "msm8998-wifi".
>
> Can you explain what you mean by:
> 'There is no "msm8998-wifi".' ?
>
> Do you mean that: this compatible string does not exist?
> (I am proposing that it be created.)
>
> Or do you mean that: "msm8998-wifi" is a bad name?

I mean, it is qcom,wcn3990-wifi, because the chip is wcn3990.

> And these strings in ath11k:
>
> Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml:      - qcom,ipq8074-wifi
> Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml:      - qcom,ipq6018-wifi
> Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml:      - qcom,wcn6750-wifi
> Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml:      - qcom,ipq5018-wifi

I must admit, I don't know the IPQ product naming (it well might be
that it is both the name of the SoC and the WiFI SoC).

>
> > I'd say, we should take a step back and actually verify how this was
> > handled in the vendor kernel.
>
> In our commercial product, we use the ath10k driver in the vendor kernel (v4.4 r38-rel).

I see.

> It looks like Jeff has already performed the code analysis
> wrt vendor vs mainline (including user-space tools).

>From his message it looks like we are expected to get MSA READY even on msm8998.

-- 
With best wishes
Dmitry




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