* [PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain
@ 2025-12-24 8:57 Jianping Li
2025-12-24 9:34 ` Dmitry Baryshkov
0 siblings, 1 reply; 2+ messages in thread
From: Jianping Li @ 2025-12-24 8:57 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio
Cc: Jianping Li, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
linux-arm-msm, devicetree, linux-kernel, ekansh.gupta,
quic_chennak
On Hamoa platforms, ADSP FastRPC should be instantiated as a secure
domain. The presence of `qcom,non-secure-domain` under the ADSP fastrpc
node causes the kernel to expose a non-secure device node, which is not
desired for Hamoa.
Signed-off-by: Jianping Li <jianping.li@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/hamoa.dtsi | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
index a17900eacb20..da62c5741350 100644
--- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
@@ -4193,7 +4193,6 @@ fastrpc {
compatible = "qcom,fastrpc";
qcom,glink-channels = "fastrpcglink-apps-dsp";
label = "adsp";
- qcom,non-secure-domain;
#address-cells = <1>;
#size-cells = <0>;
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain
2025-12-24 8:57 [PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain Jianping Li
@ 2025-12-24 9:34 ` Dmitry Baryshkov
0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Baryshkov @ 2025-12-24 9:34 UTC (permalink / raw)
To: Jianping Li
Cc: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, linux-arm-msm, devicetree, linux-kernel,
ekansh.gupta, quic_chennak
On Wed, Dec 24, 2025 at 04:57:09PM +0800, Jianping Li wrote:
> On Hamoa platforms, ADSP FastRPC should be instantiated as a secure
> domain. The presence of `qcom,non-secure-domain` under the ADSP fastrpc
> node causes the kernel to expose a non-secure device node, which is not
> desired for Hamoa.
Why? You made some claims, but provided no explanation for them.
>
> Signed-off-by: Jianping Li <jianping.li@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/hamoa.dtsi | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> index a17900eacb20..da62c5741350 100644
> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> @@ -4193,7 +4193,6 @@ fastrpc {
> compatible = "qcom,fastrpc";
> qcom,glink-channels = "fastrpcglink-apps-dsp";
> label = "adsp";
> - qcom,non-secure-domain;
> #address-cells = <1>;
> #size-cells = <0>;
>
> --
> 2.43.0
>
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-12-24 8:57 [PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain Jianping Li
2025-12-24 9:34 ` Dmitry Baryshkov
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