OPTEE_SMC_RETURN_RPC_PREFIX  325 drivers/tee/optee/optee_smc.h #define OPTEE_SMC_RPC_VAL(func)		((func) | OPTEE_SMC_RETURN_RPC_PREFIX)
OPTEE_SMC_RETURN_RPC_PREFIX  440 drivers/tee/optee/optee_smc.h 			OPTEE_SMC_RETURN_RPC_PREFIX;