linux-kernel - Re: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Add firmware-name to QUPv3 nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <kijycy56wjgztfgltj773opeu7zc2ct32msbfioliliming6im@r4imwgdv3x2h>
Date: Tue, 23 Sep 2025 21:32:36 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        mukesh.savaliya@....qualcomm.com, anup.kulkarni@....qualcomm.com
Subject: Re: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Add firmware-name
 to QUPv3 nodes

On Tue, Sep 23, 2025 at 09:41:07PM +0530, Viken Dadhaniya wrote:
> Traditionally, firmware loading for Serial Engines (SE) in the QUP hardware
> of Qualcomm SoCs has been managed by TrustZone (TZ). While this approach
> ensures secure SE assignment and access control, it limits flexibility for
> developers who need to enable various protocols on different SEs.
> 
> Add the firmware-name property to QUPv3 nodes in the device tree to enable
> firmware loading from the Linux environment. Handle SE assignments and
> access control permissions directly within Linux, removing the dependency
> on TrustZone.
> 
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
> ---
> v1 -> v2:
> 
> - Updated the commit log.
> 
> v1 Link: https://lore.kernel.org/all/20250923143431.3490452-1-viken.dadhaniya@oss.qualcomm.com/
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry