> +struct prm_cmd_request_rsc { > + struct apm_module_param_data param_data; > + uint32_t num_clk_id; > + struct audio_hw_clk_cfg clock_ids[1]; > +} __packed; > + > +struct prm_cmd_release_rsc { > + struct apm_module_param_data param_data; > + uint32_t num_clk_id; > + struct audio_hw_clk_cfg clock_ids[1]; why do you need arrays of one element? I thought this was also frowned upon if not already deprecated? > +} __packed; > + > +static int q6prm_send_cmd_sync(struct q6prm *prm, struct gpr_pkt *pkt, > + uint32_t rsp_opcode) > +{ > + gpr_device_t *gdev = prm->gdev; > + struct gpr_hdr *hdr = &pkt->hdr; > + int rc; > + > + mutex_lock(&prm->lock); > + prm->result.opcode = 0; > + prm->result.status = 0; > + > + rc = gpr_send_pkt(prm->gdev, pkt); > + if (rc < 0) > + goto err; > + > + if (rsp_opcode) > + rc = wait_event_timeout(prm->wait, > + (prm->result.opcode == hdr->opcode) || > + (prm->result.opcode == rsp_opcode), > + 5 * HZ); > + else > + rc = wait_event_timeout(prm->wait, > + (prm->result.opcode == hdr->opcode), > + 5 * HZ); > + > + if (!rc) { > + dev_err(&gdev->dev, "CMD timeout for [%x] opcode\n", > + hdr->opcode); > + rc = -ETIMEDOUT; > + } else if (prm->result.status > 0) { > + dev_err(&gdev->dev, "DSP returned error[%x] %x\n", hdr->opcode, > + prm->result.status); > + rc = -EINVAL; > + } else { > + dev_err(&gdev->dev, "DSP returned [%x]\n", > + prm->result.status); > + rc = 0; > + } > + > +err: > + mutex_unlock(&prm->lock); > + return rc; > +} this looks again like the same code we've seen twice already? > + > +static int q6prm_set_hw_core_req(struct device *dev, uint32_t hw_block_id, bool enable) > +{ > + struct prm_cmd_request_hw_core *req; > + struct apm_module_param_data *param_data; > + struct gpr_pkt *pkt; > + struct q6prm *prm = dev_get_drvdata(dev->parent); > + gpr_device_t *gdev = prm->gdev; > + void *p; > + int rc = 0; > + uint32_t opcode, rsp_opcode; > + > + if (enable) { > + opcode = PRM_CMD_REQUEST_HW_RSC; > + rsp_opcode = PRM_CMD_RSP_REQUEST_HW_RSC; > + } else { > + opcode = PRM_CMD_RELEASE_HW_RSC; > + rsp_opcode = PRM_CMD_RSP_RELEASE_HW_RSC; > + } > + > + p = audioreach_alloc_cmd_pkt(sizeof(*req), opcode, 0, gdev->svc.id, > + GPR_PRM_MODULE_IID); > + if (IS_ERR(p)) > + return -ENOMEM; > + > + pkt = p; same comment as before for the rest of this file: pkt = audioreach_alloc_cmd_pkt(sizeof(*req), opcode, 0, gdev->svc.id, GPR_PRM_MODULE_IID); kfree(pkt); > + req = p + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; > + > + param_data = &req->param_data; > + > + param_data->module_instance_id = GPR_PRM_MODULE_IID; > + param_data->error_code = 0; > + param_data->param_id = PARAM_ID_RSC_HW_CORE; > + param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE; > + > + req->hw_clk_id = hw_block_id; > + > + q6prm_send_cmd_sync(prm, pkt, rsp_opcode); > + > + kfree(pkt); > + > + return rc; > +} > +