diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index 6906e2b2559fb..93a9945e14977 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -1470,10 +1470,12 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
 	val |= BIT_ENSWBCN >> 8;
 	rtw_write8(rtwdev, REG_CR + 1, val);
 
-	val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
-	bckp[1] = val;
-	val &= ~(BIT_EN_BCNQ_DL >> 16);
-	rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
+	if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {
+		val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
+		bckp[1] = val;
+		val &= ~(BIT_EN_BCNQ_DL >> 16);
+		rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
+	}
 
 	ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
 	if (ret) {
@@ -1498,7 +1500,8 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
 	rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
 	rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
 		    rsvd_pg_head | BIT_BCN_VALID_V1);
-	rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
+	if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
+		rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
 	rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
 
 	return ret;