From: Mukesh Savaliya <mukesh.savaliya@oss.qualcomm.com>
To: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>,
andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: mukesh.savaliya@oss.qualcomm.com, anup.kulkarni@oss.qualcomm.com
Subject: Re: [PATCH v1] arm64: dts: qcom: lemans-evk: Add firmware-name to QUPv3 nodes
Date: Wed, 24 Sep 2025 12:52:42 +0530 [thread overview]
Message-ID: <ce1e5c0a-46e9-432b-b2ac-44abba85c7f0@oss.qualcomm.com> (raw)
In-Reply-To: <20250924035409.3976652-1-viken.dadhaniya@oss.qualcomm.com>
On 9/24/2025 9:24 AM, 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@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/lemans-evk.dts | 3 +++
> 1 file changed, 3 insertions(+)
Acked-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
next prev parent reply other threads:[~2025-09-24 7:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-24 3:54 Viken Dadhaniya
2025-09-24 7:22 ` Mukesh Savaliya [this message]
2025-09-24 19:35 ` Dmitry Baryshkov
2025-10-27 22:37 ` Bjorn Andersson
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