linux-kernel - Re: [PATCH v2 6/6] arm64: dts: qcom: r0q: fix reserved memory regions

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Message-ID: <ea12c0c7-c629-4014-8bbf-862264182c0b@oss.qualcomm.com>
Date: Tue, 14 Oct 2025 12:02:48 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Eric Gonçalves <ghatto404@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Andersson
 <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/6] arm64: dts: qcom: r0q: fix reserved memory regions

On 10/14/25 6:41 AM, Eric Gonçalves wrote:
> ADSP and video memory regions in SoC dtsi is misplaced on this
> platform, fix them by deleting those nodes and redefining them.
> 
> Signed-off-by: Eric Gonçalves <ghatto404@...il.com>
> ---
>  arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts b/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
> index a3b81403d180..8ed8a67aae0d 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
> @@ -10,6 +10,9 @@
>  #include "pm8350c.dtsi"
>  #include "pmk8350.dtsi"
>  
> +/delete-node/ &adsp_mem;
> +/delete-node/ &video_mem;
> +
>  / {
>  	model = "Samsung Galaxy S22 5G";
>  	compatible = "samsung,r0q", "qcom,sm8450";
> @@ -64,6 +67,16 @@ splash-region@...00000 {
>  			reg = <0x0 0xb8000000 0x0 0x2b00000>;
>  			no-map;
>  		};
> +
> +		adsp_mem: memory@...00000 {
> +			reg = <0x0 0x84500000 0x0 0x3b00000>;
> +			no-map;
> +		};
> +
> +		video_mem: memory@...00000 {
> +			reg = <0x0 0x83e00000 0x0 0x700000>;
> +			no-map;
> +		};

Please keep the entries sorted, also with regards to the existing ones

Konrad