arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain

[PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain

Posted by Jianping Li 1 month, 2 weeks ago

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

Re: [PATCH] arm64: dts: qcom: hamoa: fastrpc: set ADSP on secure domain

Posted by Dmitry Baryshkov 1 month, 2 weeks ago

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