linux-kernel - Re: [PATCH 1/3] arm64: dts: qcom: sdm630: Add modem metadata mem

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Message-ID: <lapjaf4edsuvnw22khjiuzhtiwrxfyiijcwj6piw5n5yby5ik3@r2jvfgvx2gqt>
Date: Sun, 4 May 2025 17:48:33 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Alexey Minnekhanov <alexeymin@...tmarketos.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>, Dang Huynh <danct12@...eup.net>,
        Alexey Minnekhanov <alexey.min@...il.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sdm630: Add modem metadata mem

On Sun, May 04, 2025 at 02:51:18PM +0300, Alexey Minnekhanov wrote:
> Similarly to MSM8998, add and use modem metadata memory region.
> This does not seemingly affect device functionality. But it fixes
> DTBs check warning:
> 
>  remoteproc@...0000: memory-region: [[45], [46]] is too short

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

> 
> Signed-off-by: Alexey Minnekhanov <alexeymin@...tmarketos.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index 2d3820536ddf4..8b1a45a4e56ed 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -509,6 +509,12 @@ zap_shader_region: gpu@...00000 {
>  			reg = <0x0 0xfed00000 0x0 0xa00000>;
>  			no-map;
>  		};
> +
> +		mdata_mem: mpss-metadata {
> +			alloc-ranges = <0x0 0xa0000000 0x0 0x20000000>;
> +			size = <0x0 0x4000>;
> +			no-map;
> +		};
>  	};
>  
>  	smem: smem {
> @@ -1056,7 +1062,7 @@ remoteproc_mss: remoteproc@...0000 {
>  					<&rpmpd SDM660_VDDMX>;
>  			power-domain-names = "cx", "mx";
>  
> -			memory-region = <&mba_region>, <&mpss_region>;
> +			memory-region = <&mba_region>, <&mpss_region>, <&mdata_mem>;
>  
>  			status = "disabled";
>  
> -- 
> 2.49.0
> 

-- 
With best wishes
Dmitry