staging: rtl8723bs: remove unused private debug counters

The driver maintains a private `struct debug_priv` embedded within
`struct dvobj_priv` to track various error counters (e.g., suspend
errors, alloc failures, RX drops).

These counters are incremented in various files but the data is
never read or exposed to userspace.

Remove the unused `debug_priv` structure definition, the instance
in `dvobj_priv`, and all associated increment operations across
the driver to clean up the code.

This also removes the following helper functions which were used
solely to update these counters:
 - rtw_reset_rx_info()
 - recv_indicatepkts_pkt_loss_cnt()

Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/20260131212128.25548-1-ethantidmore06@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Ethan Tidmore

drivers/staging/rtl8723bs/core/rtw_mlme.c

@@ -819,15 +819,6 @@ static void free_scanqueue(struct	mlme_priv *pmlmepriv)
 	spin_unlock_bh(&scan_queue->lock);
 }
 
-static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
-{
-	pdbgpriv->dbg_rx_ampdu_drop_count = 0;
-	pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
-	pdbgpriv->dbg_rx_ampdu_loss_count = 0;
-	pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
-	pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
-}
-
 static void find_network(struct adapter *adapter)
 {
 	struct wlan_network *pwlan = NULL;
@@ -848,8 +839,6 @@ void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
 {
 	struct	mlme_priv *pmlmepriv = &adapter->mlmepriv;
 	struct wlan_network *tgt_network = &pmlmepriv->cur_network;
-	struct dvobj_priv *psdpriv = adapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 
 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
 		struct sta_info *psta;
@@ -873,8 +862,6 @@ void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
 
 	if (lock_scanned_queue)
 		adapter->securitypriv.key_mask = 0;
-
-	rtw_reset_rx_info(pdbgpriv);
 }
 
 /* rtw_indicate_connect: the caller has to lock pmlmepriv->lock */

drivers/staging/rtl8723bs/core/rtw_mlme_ext.c

@@ -438,8 +438,6 @@ void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame)
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 	u8 *pframe = precv_frame->u.hdr.rx_data;
 	struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe));
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 
 	if (GetFrameType(pframe) != WIFI_MGT_TYPE)
 		return;
@@ -463,7 +461,6 @@ void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame)
 		if (GetRetry(pframe)) {
 			if (precv_frame->u.hdr.attrib.seq_num == psta->RxMgmtFrameSeqNum) {
 				/* drop the duplicate management frame */
-				pdbgpriv->dbg_rx_dup_mgt_frame_drop_count++;
 				return;
 			}
 		}

drivers/staging/rtl8723bs/core/rtw_pwrctrl.c

@@ -139,8 +139,6 @@ static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
 void rtw_ps_processor(struct adapter *padapter)
 {
 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 	u32 ps_deny = 0;
 
 	mutex_lock(&adapter_to_pwrctl(padapter)->lock);
@@ -149,10 +147,8 @@ void rtw_ps_processor(struct adapter *padapter)
 	if (ps_deny != 0)
 		goto exit;
 
-	if (pwrpriv->bInSuspend) {/* system suspend or autosuspend */
-		pdbgpriv->dbg_ps_insuspend_cnt++;
+	if (pwrpriv->bInSuspend) /* system suspend or autosuspend */
 		return;
-	}
 
 	pwrpriv->ps_processing = true;
 

drivers/staging/rtl8723bs/core/rtw_recv.c

@@ -1782,9 +1782,6 @@ static int amsdu_to_msdu(struct adapter *padapter, union recv_frame *prframe)
 
 static int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_num)
 {
-	struct adapter *padapter = preorder_ctrl->padapter;
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 	u8 wsize = preorder_ctrl->wsize_b;
 	u16 wend = (preorder_ctrl->indicate_seq + wsize - 1) % 4096u;
 
@@ -1810,7 +1807,6 @@ static int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_n
 			preorder_ctrl->indicate_seq = seq_num + 1 - wsize;
 		else
 			preorder_ctrl->indicate_seq = 0xFFF - (wsize - (seq_num + 1)) + 1;
-		pdbgpriv->dbg_rx_ampdu_window_shift_cnt++;
 	}
 
 	return true;
@@ -1861,15 +1857,6 @@ static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, un
 
 }
 
-static void recv_indicatepkts_pkt_loss_cnt(struct debug_priv *pdbgpriv, u64 prev_seq, u64 current_seq)
-{
-	if (current_seq < prev_seq)
-		pdbgpriv->dbg_rx_ampdu_loss_count += (4096 + current_seq - prev_seq);
-	else
-		pdbgpriv->dbg_rx_ampdu_loss_count += (current_seq - prev_seq);
-
-}
-
 static int rtw_recv_indicatepkt(struct adapter *padapter, union recv_frame *precv_frame)
 {
 	struct recv_priv *precvpriv;
@@ -1916,8 +1903,6 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor
 	int bPktInBuf = false;
 	struct recv_priv *precvpriv = &padapter->recvpriv;
 	struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 
 	/* spin_lock_irqsave(&ppending_recvframe_queue->lock, irql); */
 	/* spin_lock(&ppending_recvframe_queue->lock); */
@@ -1927,7 +1912,6 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor
 
 	/*  Handling some condition for forced indicate case. */
 	if (bforced == true) {
-		pdbgpriv->dbg_rx_ampdu_forced_indicate_count++;
 		if (list_empty(phead)) {
 			/*  spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql); */
 			/* spin_unlock(&ppending_recvframe_queue->lock); */
@@ -1937,7 +1921,6 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor
 		prframe = (union recv_frame *)plist;
 		pattrib = &prframe->u.hdr.attrib;
 
-		recv_indicatepkts_pkt_loss_cnt(pdbgpriv, preorder_ctrl->indicate_seq, pattrib->seq_num);
 		preorder_ctrl->indicate_seq = pattrib->seq_num;
 
 	}
@@ -1998,8 +1981,6 @@ static int recv_indicatepkt_reorder(struct adapter *padapter, union recv_frame *
 	struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
 	struct recv_reorder_ctrl *preorder_ctrl = prframe->u.hdr.preorder_ctrl;
 	struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 
 	if (!pattrib->amsdu) {
 		/* s1. */
@@ -2042,11 +2023,8 @@ static int recv_indicatepkt_reorder(struct adapter *padapter, union recv_frame *
 	spin_lock_bh(&ppending_recvframe_queue->lock);
 
 	/* s2. check if winstart_b(indicate_seq) needs to been updated */
-	if (!check_indicate_seq(preorder_ctrl, pattrib->seq_num)) {
-		pdbgpriv->dbg_rx_ampdu_drop_count++;
+	if (!check_indicate_seq(preorder_ctrl, pattrib->seq_num))
 		goto _err_exit;
-	}
-
 
 	/* s3. Insert all packet into Reorder Queue to maintain its ordering. */
 	if (!enqueue_reorder_recvframe(preorder_ctrl, prframe)) {

drivers/staging/rtl8723bs/hal/hal_com.c

@@ -782,21 +782,8 @@ bool GetU1ByteIntegerFromStringInDecimal(char *Str, u8 *pInt)
 
 void rtw_hal_check_rxfifo_full(struct adapter *adapter)
 {
-	struct dvobj_priv *psdpriv = adapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
-	int save_cnt = false;
-
 	/* switch counter to RX fifo */
 	rtw_write8(adapter, REG_RXERR_RPT+3, rtw_read8(adapter, REG_RXERR_RPT+3)|0xf0);
-	save_cnt = true;
-	/* todo: other chips */
-
-	if (save_cnt) {
-		/* rtw_write8(adapter, REG_RXERR_RPT+3, rtw_read8(adapter, REG_RXERR_RPT+3)|0xa0); */
-		pdbgpriv->dbg_rx_fifo_last_overflow = pdbgpriv->dbg_rx_fifo_curr_overflow;
-		pdbgpriv->dbg_rx_fifo_curr_overflow = rtw_read16(adapter, REG_RXERR_RPT);
-		pdbgpriv->dbg_rx_fifo_diff_overflow = pdbgpriv->dbg_rx_fifo_curr_overflow-pdbgpriv->dbg_rx_fifo_last_overflow;
-	}
 }
 
 static u32 Array_kfreemap[] = {

drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c

@@ -304,8 +304,6 @@ s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool  bUsedWoWLANFw)
 	const struct firmware *fw;
 	struct device *device = dvobj_to_dev(padapter->dvobj);
 	u8 *fwfilepath;
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 	u8 tmp_ps;
 
 	pFirmware = kzalloc(sizeof(struct rt_firmware), GFP_KERNEL);
@@ -324,8 +322,6 @@ s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool  bUsedWoWLANFw)
 	/* 2. read power_state = 0xA0[1:0] */
 	tmp_ps = rtw_read8(padapter, 0xa0);
 	tmp_ps &= 0x03;
-	if (tmp_ps != 0x01)
-		pdbgpriv->dbg_downloadfw_pwr_state_cnt++;
 
 	fwfilepath = "rtlwifi/rtl8723bs_nic.bin";
 

drivers/staging/rtl8723bs/hal/sdio_halinit.c

@@ -886,9 +886,6 @@ static void CardDisableRTL8723BSdio(struct adapter *padapter)
 
 u32 rtl8723bs_hal_deinit(struct adapter *padapter)
 {
-	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
-
 	if (padapter->hw_init_completed) {
 		if (adapter_to_pwrctl(padapter)->bips_processing) {
 			if (padapter->netif_up) {
@@ -921,18 +918,15 @@ u32 rtl8723bs_hal_deinit(struct adapter *padapter)
 				adapter_to_pwrctl(padapter)->pre_ips_type = 0;
 
 			} else {
-				pdbgpriv->dbg_carddisable_cnt++;
 				CardDisableRTL8723BSdio(padapter);
 
 				adapter_to_pwrctl(padapter)->pre_ips_type = 1;
 			}
 
 		} else {
-			pdbgpriv->dbg_carddisable_cnt++;
 			CardDisableRTL8723BSdio(padapter);
 		}
-	} else
-		pdbgpriv->dbg_deinit_fail_cnt++;
+	}
 
 	return _SUCCESS;
 }

drivers/staging/rtl8723bs/include/drv_types.h

@@ -173,45 +173,6 @@ struct registry_priv {
 #define GET_IFACE_NUMS(padapter) (((struct adapter *)padapter)->dvobj->iface_nums)
 #define GET_ADAPTER(padapter, iface_id) (((struct adapter *)padapter)->dvobj->padapters[iface_id])
 
-struct debug_priv {
-	u32 dbg_sdio_free_irq_error_cnt;
-	u32 dbg_sdio_alloc_irq_error_cnt;
-	u32 dbg_sdio_free_irq_cnt;
-	u32 dbg_sdio_alloc_irq_cnt;
-	u32 dbg_sdio_deinit_error_cnt;
-	u32 dbg_sdio_init_error_cnt;
-	u32 dbg_suspend_error_cnt;
-	u32 dbg_suspend_cnt;
-	u32 dbg_resume_cnt;
-	u32 dbg_resume_error_cnt;
-	u32 dbg_deinit_fail_cnt;
-	u32 dbg_carddisable_cnt;
-	u32 dbg_carddisable_error_cnt;
-	u32 dbg_ps_insuspend_cnt;
-	u32 dbg_dev_unload_inIPS_cnt;
-	u32 dbg_wow_leave_ps_fail_cnt;
-	u32 dbg_scan_pwr_state_cnt;
-	u32 dbg_downloadfw_pwr_state_cnt;
-	u32 dbg_fw_read_ps_state_fail_cnt;
-	u32 dbg_leave_ips_fail_cnt;
-	u32 dbg_leave_lps_fail_cnt;
-	u32 dbg_h2c_leave32k_fail_cnt;
-	u32 dbg_diswow_dload_fw_fail_cnt;
-	u32 dbg_enwow_dload_fw_fail_cnt;
-	u32 dbg_ips_drvopen_fail_cnt;
-	u32 dbg_poll_fail_cnt;
-	u32 dbg_rpwm_toggle_cnt;
-	u32 dbg_rpwm_timeout_fail_cnt;
-	u64 dbg_rx_fifo_last_overflow;
-	u64 dbg_rx_fifo_curr_overflow;
-	u64 dbg_rx_fifo_diff_overflow;
-	u64 dbg_rx_ampdu_drop_count;
-	u64 dbg_rx_ampdu_forced_indicate_count;
-	u64 dbg_rx_ampdu_loss_count;
-	u64 dbg_rx_dup_mgt_frame_drop_count;
-	u64 dbg_rx_ampdu_window_shift_cnt;
-};
-
 struct rtw_traffic_statistics {
 	/*  tx statistics */
 	u64	tx_bytes;
@@ -247,8 +208,6 @@ struct dvobj_priv {
 
 	s32	processing_dev_remove;
 
-	struct debug_priv drv_dbg;
-
 	/* for local/global synchronization */
 	/*  */
 	spinlock_t	lock;

drivers/staging/rtl8723bs/os_dep/os_intfs.c

@@ -973,8 +973,6 @@ void rtw_ndev_destructor(struct net_device *ndev)
 void rtw_dev_unload(struct adapter *padapter)
 {
 	struct pwrctrl_priv *pwrctl = adapter_to_pwrctl(padapter);
-	struct dvobj_priv *pobjpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &pobjpriv->drv_dbg;
 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 	u8 cnt = 0;
 
@@ -1003,7 +1001,6 @@ void rtw_dev_unload(struct adapter *padapter)
 			/* check HW status and SW state */
 			netdev_dbg(padapter->pnetdev,
 				   "%s: driver in IPS-FWLPS\n", __func__);
-			pdbgpriv->dbg_dev_unload_inIPS_cnt++;
 			LeaveAllPowerSaveMode(padapter);
 		} else {
 			netdev_dbg(padapter->pnetdev,
@@ -1086,24 +1083,21 @@ static void rtw_suspend_normal(struct adapter *padapter)
 void rtw_suspend_common(struct adapter *padapter)
 {
 	struct dvobj_priv *psdpriv = padapter->dvobj;
-	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
 	struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 
 	unsigned long start_time = jiffies;
 
 	netdev_dbg(padapter->pnetdev, " suspend start\n");
-	pdbgpriv->dbg_suspend_cnt++;
 
 	pwrpriv->bInSuspend = true;
 
 	while (pwrpriv->bips_processing)
 		msleep(1);
 
-	if ((!padapter->bup) || (padapter->bDriverStopped) || (padapter->bSurpriseRemoved)) {
-		pdbgpriv->dbg_suspend_error_cnt++;
+	if ((!padapter->bup) || (padapter->bDriverStopped) || (padapter->bSurpriseRemoved))
 		return;
-	}
+
 	rtw_ps_deny(padapter, PS_DENY_SUSPEND);
 
 	rtw_cancel_all_timer(padapter);
@@ -1131,8 +1125,6 @@ static int rtw_resume_process_normal(struct adapter *padapter)
 	struct net_device *pnetdev;
 	struct pwrctrl_priv *pwrpriv;
 	struct mlme_priv *pmlmepriv;
-	struct dvobj_priv *psdpriv;
-	struct debug_priv *pdbgpriv;
 
 	int ret = _SUCCESS;
 
@@ -1144,8 +1136,6 @@ static int rtw_resume_process_normal(struct adapter *padapter)
 	pnetdev = padapter->pnetdev;
 	pwrpriv = adapter_to_pwrctl(padapter);
 	pmlmepriv = &padapter->mlmepriv;
-	psdpriv = padapter->dvobj;
-	pdbgpriv = &psdpriv->drv_dbg;
 	/*  interface init */
 	/* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */
 	if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) {
@@ -1164,7 +1154,6 @@ static int rtw_resume_process_normal(struct adapter *padapter)
 
 	if (pm_netdev_open(pnetdev, true) != 0) {
 		ret = -1;
-		pdbgpriv->dbg_resume_error_cnt++;
 		goto exit;
 	}