On Tue, May 23, 2023 at 11:13:48AM +0200, Arnaud Pouliquen wrote: > + struct tee_param param[MAX_TEE_PARAM_ARRY_MEMB]; > + struct tee_shm *fw_shm; > + int ret; > + > + fw_shm = tee_shm_register_kernel_buf(tee_rproc_ctx->tee_ctx, (void *)fw->data, fw->size); > + if (IS_ERR(fw_shm)) { > + /* Fallback: Try to allocate memory in OP-TEE space */ > + fw_shm = tee_shm_alloc_kernel_buf(tee_rproc_ctx->tee_ctx, fw->size); > +EXPORT_SYMBOL(tee_rproc_load_fw); Please stick to the EXPORT_SYMBOL_GPL of the underlying tee infrastructure.