--- a/drivers/net/wireless/realtek/rtw89/core.h	2024-12-24 13:22:23.758244884 -0800
+++ b/drivers/net/wireless/realtek/rtw89/core.h	2024-12-24 13:33:04.233450134 -0800
@@ -109,6 +109,7 @@
 enum rtw89_core_chip_id {
 	RTL8852A,
 	RTL8852B,
+	RTL8852BT,
 	RTL8852C,
 	RTL8851B,
 	RTL8922A,
@@ -5314,6 +5315,16 @@
 	rcu_read_unlock();
 }
 
+static inline bool rtw89_is_rtl885xb(struct rtw89_dev *rtwdev)
+{
+	enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
+
+	if (chip_id == RTL8852B || chip_id == RTL8851B || chip_id == RTL8852BT)
+		return true;
+
+	return false;
+}
+
 int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel);
 int rtw89_h2c_tx(struct rtw89_dev *rtwdev,
--- a/drivers/net/wireless/realtek/rtw89/mac.c	2024-12-24 13:22:23.759244880 -0800
+++ b/drivers/net/wireless/realtek/rtw89/mac.c	2024-12-24 13:24:41.015068494 -0800
@@ -3494,7 +3494,7 @@
 
 	rtw89_write32(rtwdev, R_AX_WCPU_FW_CTRL, val);
 
-	if (rtwdev->chip->chip_id == RTL8852B)
+	if (rtw89_is_rtl885xb(rtwdev))
 		rtw89_write32_mask(rtwdev, R_AX_SEC_CTRL,
 				   B_AX_SEC_IDMEM_SIZE_CONFIG_MASK, 0x2);