linux-kernel - Re: [PATCH V2 10/13] remoteproc: qcom: Add Hexagon based multipd rproc driver

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Date:   Sat, 1 Jul 2023 12:55:55 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, jassisinghbrar@...il.com,
        mathieu.poirier@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, quic_eberman@...cinc.com, quic_mojha@...cinc.com,
        kvalo@...nel.org, loic.poulain@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     quic_srichara@...cinc.com, quic_sjaganat@...cinc.com,
        quic_kathirav@...cinc.com, quic_anusha@...cinc.com,
        quic_poovendh@...cinc.com, quic_varada@...cinc.com,
        quic_devipriy@...cinc.com
Subject: Re: [PATCH V2 10/13] remoteproc: qcom: Add Hexagon based multipd
 rproc driver

On 30/06/2023 12:29, Manikanta Mylavarapu wrote:
> 
> 
> On 6/27/2023 6:09 PM, Manikanta Mylavarapu wrote:
>>
>>

Do you see the lines above? You quote my reply and claim it is you who
wrote it.

Please fix your mailer, it's making discussions unnecessary difficult.


>>>> +      Say y here to support the Qualcomm Secure Peripheral Image Loader
>>>> +      for the Hexagon based MultiPD model remote processors on e.g. 
>>>> IPQ5018.
>>>> +      This is trustZone wireless subsystem.
>>>> +
>>>
>>> ...
>>>
> 	I didn't understand. Can you please elaborate your comment?

https://en.wikipedia.org/wiki/Ellipsis

> 
>>>> +    int (*powerup_scm)(u32 peripheral);
>>>> +    int (*powerdown_scm)(u32 peripheral);
>>>> +};
>>>> +
>>>> +/**
>>>> + * qcom_get_pd_asid() - get the pd asid number from DT node
>>>
>>>  From node name? NAK. It does not work like that. Node names can change
>>> and you did not define this number as part of ABI.
>>>
>>> Probably you wanted unit address.
>>>
> 
> 	Yeah i got your point. Each of the WCSS PD's are internally
> 	represented in Q6 with their corresponding "spawn" bit numbers.
> 	I will use same and remove the "PD-" hardcodings.
> 
> 	Is this fine ?

I don't get what you are going to use, so post a patch. Talk is cheap.


Best regards,
Krzysztof