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SubjectRe: [PATCH 2/2] ARM: multi_v7_defconfig: Enable OP-TEE
On Thu, Dec 28, 2017 at 02:03:01PM +0100, Krzysztof Kozlowski wrote:
>On Thu, Dec 28, 2017 at 10:34 AM, Peng Fan <peng.fan@nxp.com> wrote:
>> Enable OP-TEE for multi_v7_defconfig
>
>Why? You essentially copied here the subject of patch. That is not enough.

This patch could be dropped. Previously, I could not select OP-TEE in
imx_v6_v7_defconfig, seems things changed. I'll move this to imx_v6_v7_defconfig.

OP-TEE stands for Open Portable Trusted Execution Environment. With Linux
running in trustzone nonsecure world, OP-TEE runs in secure world,
with TEE/OP-TEE driver enabled, linux could use secure services provided
by OP-TEE. With TEE/OP-TEE options selected, we could use the following
node to let the driver probed.
"
firmware {
optee {
compatible = "linaro,optee-tz";
method = "smc";
};
};
"

Thanks,
Peng.
>
>Best regards,
>Krzysztof

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