diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
index 2cb7ed163603..a594f5c72960 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.c
+++ b/drivers/net/wireless/realtek/rtw89/coex.c
@@ -910,76 +910,6 @@ static void _update_bt_report(struct rtw89_dev *rtwdev, u8 rpt_type, u8 *pfinfo)
 	}
 }
 
-struct rtw89_btc_fbtc_cysta_cpu {
-	u8 fver;
-	u8 rsvd;
-	u16 cycles;
-	u16 cycles_a2dp[CXT_FLCTRL_MAX];
-	u16 a2dpept;
-	u16 a2dpeptto;
-	u16 tavg_cycle[CXT_MAX];
-	u16 tmax_cycle[CXT_MAX];
-	u16 tmaxdiff_cycle[CXT_MAX];
-	u16 tavg_a2dp[CXT_FLCTRL_MAX];
-	u16 tmax_a2dp[CXT_FLCTRL_MAX];
-	u16 tavg_a2dpept;
-	u16 tmax_a2dpept;
-	u16 tavg_lk;
-	u16 tmax_lk;
-	u32 slot_cnt[CXST_MAX];
-	u32 bcn_cnt[CXBCN_MAX];
-	u32 leakrx_cnt;
-	u32 collision_cnt;
-	u32 skip_cnt;
-	u32 exception;
-	u32 except_cnt;
-	u16 tslot_cycle[BTC_CYCLE_SLOT_MAX];
-};
-
-static void rtw89_btc_fbtc_cysta_to_cpu(const struct rtw89_btc_fbtc_cysta *src,
-					struct rtw89_btc_fbtc_cysta_cpu *dst)
-{
-	static_assert(sizeof(*src) == sizeof(*dst));
-
-#define __CPY_U8(_x)	({dst->_x = src->_x; })
-#define __CPY_LE16(_x)	({dst->_x = le16_to_cpu(src->_x); })
-#define __CPY_LE16S(_x)	({int _i; for (_i = 0; _i < ARRAY_SIZE(dst->_x); _i++) \
-				   dst->_x[_i] = le16_to_cpu(src->_x[_i]); })
-#define __CPY_LE32(_x)	({dst->_x = le32_to_cpu(src->_x); })
-#define __CPY_LE32S(_x)	({int _i; for (_i = 0; _i < ARRAY_SIZE(dst->_x); _i++) \
-				   dst->_x[_i] = le32_to_cpu(src->_x[_i]); })
-
-	__CPY_U8(fver);
-	__CPY_U8(rsvd);
-	__CPY_LE16(cycles);
-	__CPY_LE16S(cycles_a2dp);
-	__CPY_LE16(a2dpept);
-	__CPY_LE16(a2dpeptto);
-	__CPY_LE16S(tavg_cycle);
-	__CPY_LE16S(tmax_cycle);
-	__CPY_LE16S(tmaxdiff_cycle);
-	__CPY_LE16S(tavg_a2dp);
-	__CPY_LE16S(tmax_a2dp);
-	__CPY_LE16(tavg_a2dpept);
-	__CPY_LE16(tmax_a2dpept);
-	__CPY_LE16(tavg_lk);
-	__CPY_LE16(tmax_lk);
-	__CPY_LE32S(slot_cnt);
-	__CPY_LE32S(bcn_cnt);
-	__CPY_LE32(leakrx_cnt);
-	__CPY_LE32(collision_cnt);
-	__CPY_LE32(skip_cnt);
-	__CPY_LE32(exception);
-	__CPY_LE32(except_cnt);
-	__CPY_LE16S(tslot_cycle);
-
-#undef __CPY_U8
-#undef __CPY_LE16
-#undef __CPY_LE16S
-#undef __CPY_LE32
-#undef __CPY_LE32S
-}
-
 #define BTC_LEAK_AP_TH 10
 #define BTC_CYSTA_CHK_PERIOD 100
 
@@ -1002,9 +932,8 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 	struct rtw89_btc_bt_info *bt = &btc->cx.bt;
 	struct rtw89_btc_fbtc_rpt_ctrl *prpt;
 	struct rtw89_btc_fbtc_rpt_ctrl_v1 *prpt_v1;
-	struct rtw89_btc_fbtc_cysta *pcysta_le32 = NULL;
+	struct rtw89_btc_fbtc_cysta *pcysta = NULL;
 	struct rtw89_btc_fbtc_cysta_v1 *pcysta_v1 = NULL;
-	struct rtw89_btc_fbtc_cysta_cpu pcysta[1];
 	struct rtw89_btc_prpt *btc_prpt = NULL;
 	void *rpt_content = NULL, *pfinfo = NULL;
 	u8 rpt_type = 0;
@@ -1066,8 +995,7 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 		pcinfo = &pfwinfo->rpt_fbtc_cysta.cinfo;
 		if (chip->chip_id == RTL8852A) {
 			pfinfo = &pfwinfo->rpt_fbtc_cysta.finfo;
-			pcysta_le32 = &pfwinfo->rpt_fbtc_cysta.finfo;
-			rtw89_btc_fbtc_cysta_to_cpu(pcysta_le32, pcysta);
+			pcysta = &pfwinfo->rpt_fbtc_cysta.finfo;
 			pcinfo->req_len = sizeof(pfwinfo->rpt_fbtc_cysta.finfo);
 		} else {
 			pfinfo = &pfwinfo->rpt_fbtc_cysta.finfo_v1;
@@ -1259,13 +1187,13 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 		break;
 	case BTC_RPT_TYPE_CYSTA:
 		if (chip->chip_id == RTL8852A) {
-			if (pcysta->cycles < BTC_CYSTA_CHK_PERIOD)
+			if (le16_to_cpu(pcysta->cycles) < BTC_CYSTA_CHK_PERIOD)
 				break;
 			/* Check Leak-AP */
-			if (pcysta->slot_cnt[CXST_LK] != 0 &&
-			    pcysta->leakrx_cnt != 0 && dm->tdma_now.rxflctrl) {
-				if (pcysta->slot_cnt[CXST_LK] <
-				    BTC_LEAK_AP_TH * pcysta->leakrx_cnt)
+			if (le32_to_cpu(pcysta->slot_cnt[CXST_LK]) != 0 &&
+			    le32_to_cpu(pcysta->leakrx_cnt) != 0 && dm->tdma_now.rxflctrl) {
+				if (le32_to_cpu(pcysta->slot_cnt[CXST_LK]) <
+				    BTC_LEAK_AP_TH * le32_to_cpu(pcysta->leakrx_cnt))
 					dm->leak_ap = 1;
 			}
 
@@ -1276,18 +1204,18 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 			else
 				wl_slot_set = le16_to_cpu(dm->slot_now[CXST_W1].dur);
 
-			if (pcysta->tavg_cycle[CXT_WL] > wl_slot_set) {
-				diff_t = pcysta->tavg_cycle[CXT_WL] - wl_slot_set;
+			if (le16_to_cpu(pcysta->tavg_cycle[CXT_WL]) > wl_slot_set) {
+				diff_t = le16_to_cpu(pcysta->tavg_cycle[CXT_WL]) - wl_slot_set;
 				_chk_btc_err(rtwdev,
 					     BTC_DCNT_WL_SLOT_DRIFT, diff_t);
 			}
 
 			_chk_btc_err(rtwdev, BTC_DCNT_W1_FREEZE,
-				     pcysta->slot_cnt[CXST_W1]);
+				     le32_to_cpu(pcysta->slot_cnt[CXST_W1]));
 			_chk_btc_err(rtwdev, BTC_DCNT_W1_FREEZE,
-				     pcysta->slot_cnt[CXST_B1]);
+				     le32_to_cpu(pcysta->slot_cnt[CXST_B1]));
 			_chk_btc_err(rtwdev, BTC_DCNT_CYCLE_FREEZE,
-				     (u32)pcysta->cycles);
+				     le16_to_cpu(pcysta->cycles));
 		} else {
 			if (le16_to_cpu(pcysta_v1->cycles) < BTC_CYSTA_CHK_PERIOD)
 				break;
@@ -6385,7 +6313,6 @@ static void _show_fbtc_cysta(struct rtw89_dev *rtwdev, struct seq_file *m)
 	struct rtw89_btc_bt_a2dp_desc *a2dp = &btc->cx.bt.link_info.a2dp_desc;
 	struct rtw89_btc_rpt_cmn_info *pcinfo = NULL;
 	struct rtw89_btc_fbtc_cysta *pcysta_le32 = NULL;
-	struct rtw89_btc_fbtc_cysta_cpu pcysta[1];
 	union rtw89_btc_fbtc_rxflct r;
 	u8 i, cnt = 0, slot_pair;
 	u16 cycle, c_begin, c_end, store_index;
@@ -6395,64 +6322,65 @@ static void _show_fbtc_cysta(struct rtw89_dev *rtwdev, struct seq_file *m)
 		return;
 
 	pcysta_le32 = &pfwinfo->rpt_fbtc_cysta.finfo;
-	rtw89_btc_fbtc_cysta_to_cpu(pcysta_le32, pcysta);
 	seq_printf(m,
 		   " %-15s : cycle:%d, bcn[all:%d/all_ok:%d/bt:%d/bt_ok:%d]",
-		   "[cycle_cnt]", pcysta->cycles, pcysta->bcn_cnt[CXBCN_ALL],
-		   pcysta->bcn_cnt[CXBCN_ALL_OK],
-		   pcysta->bcn_cnt[CXBCN_BT_SLOT],
-		   pcysta->bcn_cnt[CXBCN_BT_OK]);
+		   "[cycle_cnt]",
+		   le16_to_cpu(pcysta_le32->cycles),
+		   le32_to_cpu(pcysta_le32->bcn_cnt[CXBCN_ALL]),
+		   le32_to_cpu(pcysta_le32->bcn_cnt[CXBCN_ALL_OK]),
+		   le32_to_cpu(pcysta_le32->bcn_cnt[CXBCN_BT_SLOT]),
+		   le32_to_cpu(pcysta_le32->bcn_cnt[CXBCN_BT_OK]));
 
 	for (i = 0; i < CXST_MAX; i++) {
-		if (!pcysta->slot_cnt[i])
+		if (!le32_to_cpu(pcysta_le32->slot_cnt[i]))
 			continue;
-		seq_printf(m,
-			   ", %d:%d", (u32)i, pcysta->slot_cnt[i]);
+		seq_printf(m, ", %d:%d", (u32)i,
+			   le32_to_cpu(pcysta_le32->slot_cnt[i]));
 	}
 
 	if (dm->tdma_now.rxflctrl) {
-		seq_printf(m,
-			   ", leak_rx:%d", pcysta->leakrx_cnt);
+		seq_printf(m, ", leak_rx:%d",
+			   le32_to_cpu(pcysta_le32->leakrx_cnt));
 	}
 
-	if (pcysta->collision_cnt) {
-		seq_printf(m,
-			   ", collision:%d", pcysta->collision_cnt);
+	if (le32_to_cpu(pcysta_le32->collision_cnt)) {
+		seq_printf(m, ", collision:%d",
+			   le32_to_cpu(pcysta_le32->collision_cnt));
 	}
 
-	if (pcysta->skip_cnt) {
-		seq_printf(m,
-			   ", skip:%d", pcysta->skip_cnt);
+	if (le32_to_cpu(pcysta_le32->skip_cnt)) {
+		seq_printf(m, ", skip:%d",
+			   le32_to_cpu(pcysta_le32->skip_cnt));
 	}
 	seq_puts(m, "\n");
 
 	seq_printf(m, " %-15s : avg_t[wl:%d/bt:%d/lk:%d.%03d]",
 		   "[cycle_time]",
-		   pcysta->tavg_cycle[CXT_WL],
-		   pcysta->tavg_cycle[CXT_BT],
-		   pcysta->tavg_lk / 1000, pcysta->tavg_lk % 1000);
-	seq_printf(m,
-		   ", max_t[wl:%d/bt:%d/lk:%d.%03d]",
-		   pcysta->tmax_cycle[CXT_WL],
-		   pcysta->tmax_cycle[CXT_BT],
-		   pcysta->tmax_lk / 1000, pcysta->tmax_lk % 1000);
-	seq_printf(m,
-		   ", maxdiff_t[wl:%d/bt:%d]\n",
-		   pcysta->tmaxdiff_cycle[CXT_WL],
-		   pcysta->tmaxdiff_cycle[CXT_BT]);
+		   le16_to_cpu(pcysta_le32->tavg_cycle[CXT_WL]),
+		   le16_to_cpu(pcysta_le32->tavg_cycle[CXT_BT]),
+		   le16_to_cpu(pcysta_le32->tavg_lk) / 1000,
+		   le16_to_cpu(pcysta_le32->tavg_lk) % 1000);
+	seq_printf(m, ", max_t[wl:%d/bt:%d/lk:%d.%03d]",
+		   le16_to_cpu(pcysta_le32->tmax_cycle[CXT_WL]),
+		   le16_to_cpu(pcysta_le32->tmax_cycle[CXT_BT]),
+		   le16_to_cpu(pcysta_le32->tmax_lk) / 1000,
+		   le16_to_cpu(pcysta_le32->tmax_lk) % 1000);
+	seq_printf(m, ", maxdiff_t[wl:%d/bt:%d]\n",
+		   le16_to_cpu(pcysta_le32->tmaxdiff_cycle[CXT_WL]),
+		   le16_to_cpu(pcysta_le32->tmaxdiff_cycle[CXT_BT]));
 
-	if (pcysta->cycles == 0)
+	if (le16_to_cpu(pcysta_le32->cycles) == 0)
 		return;
 
 	/* 1 cycle record 1 wl-slot and 1 bt-slot */
 	slot_pair = BTC_CYCLE_SLOT_MAX / 2;
 
-	if (pcysta->cycles <= slot_pair)
+	if (le16_to_cpu(pcysta_le32->cycles) <= slot_pair)
 		c_begin = 1;
 	else
-		c_begin = pcysta->cycles - slot_pair + 1;
+		c_begin = le16_to_cpu(pcysta_le32->cycles) - slot_pair + 1;
 
-	c_end = pcysta->cycles;
+	c_end = le16_to_cpu(pcysta_le32->cycles);
 
 	for (cycle = c_begin; cycle <= c_end; cycle++) {
 		cnt++;
@@ -6461,13 +6389,13 @@ static void _show_fbtc_cysta(struct rtw89_dev *rtwdev, struct seq_file *m)
 		if (cnt % (BTC_CYCLE_SLOT_MAX / 4) == 1)
 			seq_printf(m,
 				   " %-15s : ->b%02d->w%02d", "[cycle_step]",
-				   pcysta->tslot_cycle[store_index],
-				   pcysta->tslot_cycle[store_index + 1]);
+				   le16_to_cpu(pcysta_le32->tslot_cycle[store_index]),
+				   le16_to_cpu(pcysta_le32->tslot_cycle[store_index + 1]));
 		else
 			seq_printf(m,
 				   "->b%02d->w%02d",
-				   pcysta->tslot_cycle[store_index],
-				   pcysta->tslot_cycle[store_index + 1]);
+				   le16_to_cpu(pcysta_le32->tslot_cycle[store_index]),
+				   le16_to_cpu(pcysta_le32->tslot_cycle[store_index + 1]));
 		if (cnt % (BTC_CYCLE_SLOT_MAX / 4) == 0 || cnt == c_end)
 			seq_puts(m, "\n");
 	}
@@ -6476,28 +6404,30 @@ static void _show_fbtc_cysta(struct rtw89_dev *rtwdev, struct seq_file *m)
 		seq_printf(m,
 			   " %-15s : a2dp_ept:%d, a2dp_late:%d",
 			   "[a2dp_t_sta]",
-			   pcysta->a2dpept, pcysta->a2dpeptto);
+			   le16_to_cpu(pcysta_le32->a2dpept),
+			   le16_to_cpu(pcysta_le32->a2dpeptto));
 
 		seq_printf(m,
 			   ", avg_t:%d, max_t:%d",
-			   pcysta->tavg_a2dpept, pcysta->tmax_a2dpept);
+			   le16_to_cpu(pcysta_le32->tavg_a2dpept),
+			   le16_to_cpu(pcysta_le32->tmax_a2dpept));
 		r.val = dm->tdma_now.rxflctrl;
 
 		if (r.type && r.tgln_n) {
 			seq_printf(m,
 				   ", cycle[PSTDMA:%d/TDMA:%d], ",
-				   pcysta->cycles_a2dp[CXT_FLCTRL_ON],
-				   pcysta->cycles_a2dp[CXT_FLCTRL_OFF]);
+				   le16_to_cpu(pcysta_le32->cycles_a2dp[CXT_FLCTRL_ON]),
+				   le16_to_cpu(pcysta_le32->cycles_a2dp[CXT_FLCTRL_OFF]));
 
 			seq_printf(m,
 				   "avg_t[PSTDMA:%d/TDMA:%d], ",
-				   pcysta->tavg_a2dp[CXT_FLCTRL_ON],
-				   pcysta->tavg_a2dp[CXT_FLCTRL_OFF]);
+				   le16_to_cpu(pcysta_le32->tavg_a2dp[CXT_FLCTRL_ON]),
+				   le16_to_cpu(pcysta_le32->tavg_a2dp[CXT_FLCTRL_OFF]));
 
 			seq_printf(m,
 				   "max_t[PSTDMA:%d/TDMA:%d]",
-				   pcysta->tmax_a2dp[CXT_FLCTRL_ON],
-				   pcysta->tmax_a2dp[CXT_FLCTRL_OFF]);
+				   le16_to_cpu(pcysta_le32->tmax_a2dp[CXT_FLCTRL_ON]),
+				   le16_to_cpu(pcysta_le32->tmax_a2dp[CXT_FLCTRL_OFF]));
 		}
 		seq_puts(m, "\n");
 	}