if (!wcn_ch->cpu_addr)
                return -ENOMEM;
 
-       cur_dxe = (struct wcn36xx_dxe_desc *)wcn_ch->cpu_addr;
+       cur_dxe = wcn_ch->cpu_addr;
        cur_ctl = wcn_ch->head_blk_ctl;
 
        for (i = 0; i < wcn_ch->desc_num; i++) {
 
 static irqreturn_t wcn36xx_irq_tx_complete(int irq, void *dev)
 {
-       struct wcn36xx *wcn = (struct wcn36xx *)dev;
+       struct wcn36xx *wcn = dev;
        int int_src, int_reason;
 
        wcn36xx_dxe_read_register(wcn, WCN36XX_DXE_INT_SRC_RAW_REG, &int_src);
 
 static irqreturn_t wcn36xx_irq_rx_ready(int irq, void *dev)
 {
-       struct wcn36xx *wcn = (struct wcn36xx *)dev;
+       struct wcn36xx *wcn = dev;
 
        wcn36xx_dxe_rx_frame(wcn);
 
 
        if (len < sizeof(*rsp))
                return -EIO;
 
-       rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
+       rsp = buf;
 
        if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
                return -EIO;
        ret = wcn36xx_smd_rsp_status_check(buf, len);
        if (ret)
                return ret;
-       rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
+       rsp = buf;
        wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
                    rsp->channel_number, rsp->status);
        return ret;
        if (ret)
                return ret;
 
-       rsp = (struct wcn36xx_hal_process_ptt_msg_rsp_msg *)buf;
+       rsp = buf;
 
        wcn36xx_dbg(WCN36XX_DBG_HAL, "process ptt msg responded with length %d\n",
                    rsp->header.len);
 {
        struct wcn36xx_hal_update_scan_params_resp *rsp;
 
-       rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
+       rsp = buf;
 
        /* Remove the PNO version bit */
        rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
        if (len < sizeof(*rsp))
                return -EINVAL;
 
-       rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
+       rsp = buf;
 
        if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
                wcn36xx_warn("hal add sta self failure: %d\n",
        if (wcn36xx_smd_rsp_status_check(buf, len))
                return -EIO;
 
-       rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
+       rsp = buf;
 
        wcn36xx_dbg(WCN36XX_DBG_HAL,
                    "hal rsp join status %d tx_mgmt_power %d\n",
        if (len < sizeof(*rsp))
                return -EINVAL;
 
-       rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
+       rsp = buf;
        params = &rsp->params;
 
        if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
        if (len < sizeof(*rsp))
                return -EINVAL;
 
-       rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf;
+       rsp = buf;
        params = &rsp->bss_rsp_params;
 
        if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
        if (len < sizeof(*rsp))
                return -EINVAL;
 
-       rsp = (struct wcn36xx_hal_add_ba_session_rsp_msg *)buf;
+       rsp = buf;
        if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS)
                return rsp->status;
 
        if (len < sizeof(*rsp))
                return -EINVAL;
 
-       rsp = (struct wcn36xx_hal_trigger_ba_rsp_msg *) buf;
+       rsp = buf;
 
        if (rsp->candidate_cnt < 1)
                return rsp->status ? rsp->status : -EINVAL;