diff --git a/drivers/net/pcs/pcs-mtk-lynxi.c b/drivers/net/pcs/pcs-mtk-lynxi.c
index c12f8087af9b..a753bd88cbc2 100644
--- a/drivers/net/pcs/pcs-mtk-lynxi.c
+++ b/drivers/net/pcs/pcs-mtk-lynxi.c
@@ -129,6 +129,9 @@ static int mtk_pcs_config_polarity(struct mtk_pcs_lynxi *mpcs,
 	unsigned int val = 0;
 	int ret;
 
+	if (!fwnode)
+		return 0;
+
 	if (fwnode_property_read_bool(fwnode, "mediatek,pnswap"))
 		default_pol = PHY_POL_INVERT;