diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index 2efb9c70ff..12a376e132 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -183,7 +183,8 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
 	    ath79_soc == ATH79_SOC_AR9342 ||
 	    ath79_soc == ATH79_SOC_AR9344 ||
 	    ath79_soc == ATH79_SOC_QCA9556 ||
-	    ath79_soc == ATH79_SOC_QCA9558)
+	    ath79_soc == ATH79_SOC_QCA9558 ||
+	    ath79_soc == ATH79_SOC_QCA956X)
 		max_id = 1;
 	else
 		max_id = 0;