Re: [PATCH v3] arm64: defconfig: Enable QCOMTEE on Qualcomm SM8650+

[Bjorn Andersson]

On Fri, Jan 02, 2026 at 02:21:57PM +0530, Harshal Dev wrote:
[..]
> 
> 
> I agree that the defconfig change effectively enables the driver for all arm64
> boards, not just Qualcomm SoC based ones. To clarify this in the commit message,
> let me explicitly state the following:
> - Why we are enabling it for all arm64 boards.
> - From which Qualcomm SoC onwards the driver is applicable to.
> - What functionality the driver provides.
> - How it's functionality has been tested and on which board.
> 
> "
> arm64: defconfig: Enable QCOMTEE module for QTEE-enabled Qualcomm SoCs
> 
> All Qualcomm SoCs starting from SM8650 provide access to the Qualcomm Trusted
> Execution Environment (QTEE) through the SMCInvoke interface, implemented by
> the QCOMTEE driver. QTEE runs in the Secure World domain on ARM64 CPUs and
> exposes secure services to Linux running in the Normal World domain.
> 
> This change enables the QCOMTEE driver as a module to support communication
> with QTEE.
> 
> QCOMTEE has been tested on a Qualcomm RB3Gen2 board by loading and executing
> a Trusted Application via tests hosted at github.com/qualcomm/minkipc.
> "

This commit message looks good to me.

It also makes it clear that all platforms up to (not including) SM8650
_only_ supports QSEECOM, and hence makes it clear that we have reason to
support both mechanisms.

Thank you,
Bjorn