Re: [PATCH v2 5/6] arm64: dts: qcom: sdm630: Remove FastRPC compute CB9 entry

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 10/23/26 11:03 AM, Abhinav Parihar wrote:
> Remove the compute-cb@9 nodes from sdm630 device tree to
> prevent clients from selecting a secure context bank for normal FastRPC
> workloads.
> 
> Secure use case support is not currently implemented upstream.
> 
> Fixes: e8e1fb5c703f ("arm64: dts: qcom: sdm630: set adsp compute-cbs' regs properly")
> Cc: stable@vger.kernel.org
> Signed-off-by: Abhinav Parihar <abhinav.parihar@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index a41ba0da380b..721885455639 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -2483,11 +2483,6 @@ compute-cb@8 {
>  						iommus = <&lpass_smmu 8>;
>  					};
>  
> -					compute-cb@9 {
> -						compatible = "qcom,fastrpc-compute-cb";
> -						reg = <9>;
> -						iommus = <&lpass_smmu 9>;
> -					};

I think 4/5 are secure on LPASS on 630.

Konrad