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1What: /sys/bus/tee/devices/optee-ta-<uuid>/2Date: May 20203KernelVersion 5.84Contact: op-tee@lists.trustedfirmware.org5Description:6 OP-TEE bus provides reference to registered drivers under this directory. The <uuid>7 matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers8 are free to create needed API under optee-ta-<uuid> directory.9 10What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant11Date: November 202312KernelVersion: 6.713Contact: op-tee@lists.trustedfirmware.org14Description:15 Allows to distinguish whether an OP-TEE based TA/device requires user-space16 tee-supplicant to function properly or not. This attribute will be present for17 devices which depend on tee-supplicant to be running.18