linux-kernel - Re: [PATCH 08/11] remoteproc: qcom: Add Hexagon based multipd rproc driver

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Message-ID: <0bad147f-46b6-c52f-536f-92eeba8896ec@quicinc.com>
Date:   Wed, 22 Mar 2023 16:21:54 +0530
From:   Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To:     Robert Marko <robimarko@...il.com>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <jassisinghbrar@...il.com>,
        <mathieu.poirier@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <quic_gurus@...cinc.com>,
        <loic.poulain@...aro.org>, <quic_eberman@...cinc.com>,
        <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>, <quic_srichara@...cinc.com>,
        <quic_gokulsri@...cinc.com>, <quic_sjaganat@...cinc.com>,
        <quic_kathirav@...cinc.com>, <quic_arajkuma@...cinc.com>,
        <quic_anusha@...cinc.com>, <quic_poovendh@...cinc.com>
Subject: Re: [PATCH 08/11] remoteproc: qcom: Add Hexagon based multipd rproc
 driver



On 3/22/2023 3:51 PM, Robert Marko wrote:
> On Wed, 22 Mar 2023 at 11:19, Manikanta Mylavarapu
> <quic_mmanikan@...cinc.com> wrote:
>>
>>
>>
>> On 3/7/2023 9:09 PM, Krzysztof Kozlowski wrote:
>>> Why exactly do you need a new driver for this instead of extending
>>> existing PIL? I feel all this is growing because no one wants to touch
>>> existing code and merge with it...
>>
>> Previously we raised patch to add secure-pil to existing rproc driver.
>> Bjorn suggested to introduce a new secure-pil driver.
>>
>> https://patchwork.kernel.org/project/linux-arm-msm/patch/1611984013-10201-3-git-send-email-gokulsri@codeaurora.org/
>>
>>
>> Also IPQ5018, IPQ9574 soc's follows multipd model. So we decided to
>> have new driver which consists 'secure-pil + multi pd' in one
>> place.
> 
> Would it be possible to have IPQ8074 and IPQ6018 support in it as well?
> Cause, those are supported by ath11k but remoteproc support is missing,
> I have been upstreaming parts for IPQ8074 for years now and it is usable but
> we are still missing remoteproc.
> 
> Regards,
> Robert
> >>
>> Thanks & Regards,
>> Manikanta.

Yes. It's possible. Currently we added support for IPQ5018, IPQ9574.
In subsequent patches, we will add IPQ8074, IPQ6018 & IPQ5332 support
as well.

Regards,
Manikanta.