On 16-10-2026 10:50, Abhinav Parihar wrote:
> Context bank 9 is reserved for secure use cases and must not be exposed
> as a FastRPC compute context bank for non-secure offloading.
>
> Remove the compute-cb@9 nodes from the Lemans and Monaco device trees to
> prevent clients from selecting a secure context bank for normal FastRPC
> workloads.
>
> Secure use case support is not currently implemented upstream.
>
can you add Fixes: tag as well?> Signed-off-by: Abhinav Parihar
<[email protected]>
> ---
> arch/arm64/boot/dts/qcom/lemans.dtsi | 16 ----------------
> arch/arm64/boot/dts/qcom/monaco.dtsi | 7 -------
separate the patch both different platforms, also please include other
applicable platforms in your next spin> 2 files changed, 23 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi
> b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 695eae1b7256..5481dfb73454 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -7861,14 +7861,6 @@ compute-cb@8 {
> dma-coherent;
> };
>
> - compute-cb@9 {
> - compatible =
> "qcom,fastrpc-compute-cb";
> - reg = <9>;
> - iommus = <&apps_smmu 0x2149
> 0x04a0>,
> - <&apps_smmu 0x2189
> 0x0400>;
> - dma-coherent;
> - };
> -
> compute-cb@11 {
> compatible =
> "qcom,fastrpc-compute-cb";
> reg = <11>;
> @@ -8000,14 +7992,6 @@ compute-cb@8 {
> dma-coherent;
> };
>
> - compute-cb@9 {
> - compatible =
> "qcom,fastrpc-compute-cb";
> - reg = <9>;
> - iommus = <&apps_smmu 0x2949
> 0x04a0>,
> - <&apps_smmu 0x2989
> 0x0400>;
> - dma-coherent;
> - };
> -
> compute-cb@10 {
> compatible =
> "qcom,fastrpc-compute-cb";
> reg = <10>;
> diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi
> b/arch/arm64/boot/dts/qcom/monaco.dtsi
> index cfe39f923224..e73a735f2f13 100644
> --- a/arch/arm64/boot/dts/qcom/monaco.dtsi
> +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi
> @@ -7822,13 +7822,6 @@ compute-cb@8 {
> dma-coherent;
> };
>
> - compute-cb@9 {
> - compatible =
> "qcom,fastrpc-compute-cb";
> - reg = <9>;
> - iommus = <&apps_smmu 0x19c9
> 0x0400>;
> - dma-coherent;
> - };
> -
> compute-cb@11 {
> compatible =
> "qcom,fastrpc-compute-cb";
> reg = <0xb>;
