diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index e14d1da43940..737b76c501a2 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -506,12 +506,12 @@ struct rtw_5g_txpwr_idx {
 	struct rtw_5g_vht_ns_pwr_idx_diff vht_2s_diff;
 	struct rtw_5g_vht_ns_pwr_idx_diff vht_3s_diff;
 	struct rtw_5g_vht_ns_pwr_idx_diff vht_4s_diff;
-};
+} __packed;
 
 struct rtw_txpwr_idx {
 	struct rtw_2g_txpwr_idx pwr_idx_2g;
 	struct rtw_5g_txpwr_idx pwr_idx_5g;
-};
+} __packed;
 
 struct rtw_channel_params {
 	u8 center_chan;
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
index 2434e2480cbe..8b01b88f6f4c 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8723d.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
@@ -39,7 +39,7 @@ struct rtw8723de_efuse {
 	u8 device_id[2];
 	u8 sub_vender_id[2];
 	u8 sub_device_id[2];
-};
+} __packed;
 
 struct rtw8723du_efuse {
 	u8 res4[48];                    /* 0xd0 */
@@ -48,12 +48,12 @@ struct rtw8723du_efuse {
 	u8 usb_option;                  /* 0x104 */
 	u8 res5[2];			/* 0x105 */
 	u8 mac_addr[ETH_ALEN];          /* 0x107 */
-};
+} __packed;
 
 struct rtw8723ds_efuse {
 	u8 res4[0x4a];			/* 0xd0 */
 	u8 mac_addr[ETH_ALEN];		/* 0x11a */
-};
+} __packed;
 
 struct rtw8723d_efuse {
 	__le16 rtl_id;
@@ -88,7 +88,7 @@ struct rtw8723d_efuse {
 		struct rtw8723du_efuse u;
 		struct rtw8723ds_efuse s;
 	};
-};
+} __packed;
 
 extern const struct rtw_chip_info rtw8723d_hw_spec;
 
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index 91ed921407bb..10172f4d74bf 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
@@ -27,7 +27,7 @@ struct rtw8821cu_efuse {
 	u8 res11[0xcf];
 	u8 package_type;		/* 0x1fb */
 	u8 res12[0x4];
-};
+} __packed;
 
 struct rtw8821ce_efuse {
 	u8 mac_addr[ETH_ALEN];		/* 0xd0 */
@@ -47,7 +47,8 @@ struct rtw8821ce_efuse {
 	u8 ltr_en:1;
 	u8 res1:2;
 	u8 obff:2;
-	u8 res2:3;
+	u8 res2_1:1;
+	u8 res2_2:2;
 	u8 obff_cap:2;
 	u8 res3:4;
 	u8 res4[3];
@@ -63,7 +64,7 @@ struct rtw8821ce_efuse {
 	u8 res6:1;
 	u8 port_t_power_on_value:5;
 	u8 res7;
-};
+} __packed;
 
 struct rtw8821cs_efuse {
 	u8 res4[0x4a];			/* 0xd0 */
@@ -101,7 +102,7 @@ struct rtw8821c_efuse {
 		struct rtw8821cu_efuse u;
 		struct rtw8821cs_efuse s;
 	};
-};
+} __packed;
 
 static inline void
 _rtw_write32s_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.h b/drivers/net/wireless/realtek/rtw88/rtw8822b.h
index 2dc3a6660f06..889ed2ada1dd 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822b.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.h
@@ -27,7 +27,7 @@ struct rtw8822bu_efuse {
 	u8 res11[0xcf];
 	u8 package_type;		/* 0x1fb */
 	u8 res12[0x4];
-};
+} __packed;
 
 struct rtw8822be_efuse {
 	u8 mac_addr[ETH_ALEN];		/* 0xd0 */
@@ -47,7 +47,8 @@ struct rtw8822be_efuse {
 	u8 ltr_en:1;
 	u8 res1:2;
 	u8 obff:2;
-	u8 res2:3;
+	u8 res2_1:1;
+	u8 res2_2:2;
 	u8 obff_cap:2;
 	u8 res3:4;
 	u8 res4[3];
@@ -63,7 +64,7 @@ struct rtw8822be_efuse {
 	u8 res6:1;
 	u8 port_t_power_on_value:5;
 	u8 res7;
-};
+} __packed;
 
 struct rtw8822bs_efuse {
 	u8 res4[0x4a];			/* 0xd0 */
@@ -101,7 +102,7 @@ struct rtw8822b_efuse {
 		struct rtw8822bu_efuse u;
 		struct rtw8822bs_efuse s;
 	};
-};
+} __packed;
 
 static inline void
 _rtw_write32s_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
index 1bc0e7f5d6bb..0c1e62d0d472 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
@@ -14,7 +14,7 @@ struct rtw8822cu_efuse {
 	u8 res1[3];
 	u8 mac_addr[ETH_ALEN];		/* 0x157 */
 	u8 res2[0x3d];
-};
+} __packed;
 
 struct rtw8822cs_efuse {
 	u8 res0[0x4a];			/* 0x120 */
@@ -39,7 +39,8 @@ struct rtw8822ce_efuse {
 	u8 ltr_en:1;
 	u8 res1:2;
 	u8 obff:2;
-	u8 res2:3;
+	u8 res2_1:1;
+	u8 res2_2:2;
 	u8 obff_cap:2;
 	u8 res3:4;
 	u8 class_code[3];
@@ -55,7 +56,7 @@ struct rtw8822ce_efuse {
 	u8 res6:1;
 	u8 port_t_power_on_value:5;
 	u8 res7;
-};
+} __packed;
 
 struct rtw8822c_efuse {
 	__le16 rtl_id;
@@ -100,7 +101,7 @@ struct rtw8822c_efuse {
 		struct rtw8822cu_efuse u;
 		struct rtw8822cs_efuse s;
 	};
-};
+} __packed;
 
 enum rtw8822c_dpk_agc_phase {
 	RTW_DPK_GAIN_CHECK,