linux-kernel - Re: [PATCH v3 10/10] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

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Message-ID: <CAE-0n50_nRZc+YCYwFdBe+4oMpxovQgiF9e_ciDwAJussUAwmw@mail.gmail.com>
Date:   Mon, 23 Aug 2021 15:12:02 -0500
From:   Stephen Boyd <swboyd@...omium.org>
To:     Sibi Sankar <sibis@...eaurora.org>, bjorn.andersson@...aro.org,
        mka@...omium.org, robh+dt@...nel.org,
        saiprakash.ranjan@...eaurora.org, will@...nel.org
Cc:     ohad@...ery.com, agross@...nel.org, mathieu.poirier@...aro.org,
        robin.murphy@....com, joro@...tes.org, p.zabel@...gutronix.de,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, evgreen@...omium.org,
        dianders@...omium.org
Subject: Re: [PATCH v3 10/10] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

Quoting Sibi Sankar (2021-08-18 20:36:25)
> Update MSS node to support MSA based modem boot on SC7280 SoCs.
>
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>

>
> v3:
>  * Place remoteproc_mpss node in alphabetical order above pinctrl
>    section. [Stephen]
>
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi |  7 +++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi     | 19 ++++++++++++++++---
>  2 files changed, 23 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 103d89c1e1c7..f1c8641b0c26 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -263,6 +263,13 @@
>         status = "okay";
>  };
>
> +&remoteproc_mpss {
> +       status = "okay";
> +       compatible = "qcom,sc7280-mss-pil";
> +       iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
> +       memory-region = <&mba_mem &mpss_mem>;

Nitpick:

	memory-region = <&mba_mem>, <&mpss_mem>;

would be better as it indicates that &mpss_mem isn't being parsed when
&mba_mem is being parsed, i.e. they're independent phandles.

> +};
> +
>  &sdhc_1 {
>         status = "okay";
>