diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 00c5280..a31c4f6 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1221,6 +1221,7 @@
 	u32				tx_int_status_reg;
 	u32				rx_dma_l4_valid;
 	int				ip_align;
+	spinlock_t			syscfg0_lock;
 };
 
 /* struct mtk_mac -	the structure that holds the info about the MACs of the