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

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Date:   Wed, 22 Mar 2023 11:53:18 +0100
From:   Robert Marko <robimarko@...il.com>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.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 Wed, 22 Mar 2023 at 11:52, Manikanta Mylavarapu
<quic_mmanikan@...cinc.com> wrote:
>
>
>
> 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.

Great, that is rather nice to hear.

Regards,
Robert
>
> Regards,
> Manikanta.