diff --git a/drivers/net/pcs/pcs-lynx.c b/drivers/net/pcs/pcs-lynx.c
index dc3962b2aa6b..853b8c138718 100644
--- a/drivers/net/pcs/pcs-lynx.c
+++ b/drivers/net/pcs/pcs-lynx.c
@@ -398,4 +398,5 @@ void lynx_pcs_destroy(struct phylink_pcs *pcs)
 }
 EXPORT_SYMBOL(lynx_pcs_destroy);
 
+MODULE_DESCRIPTION("NXP Lynx PCS phylink library");
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/pcs/pcs-mtk-lynxi.c b/drivers/net/pcs/pcs-mtk-lynxi.c
index 8501dd365279..4f63abe638c4 100644
--- a/drivers/net/pcs/pcs-mtk-lynxi.c
+++ b/drivers/net/pcs/pcs-mtk-lynxi.c
@@ -303,4 +303,5 @@ void mtk_pcs_lynxi_destroy(struct phylink_pcs *pcs)
 }
 EXPORT_SYMBOL(mtk_pcs_lynxi_destroy);
 
+MODULE_DESCRIPTION("MediaTek SGMII library for LynxI");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 31f0beba638a..52a7757ee419 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -1456,4 +1456,5 @@ struct dw_xpcs *xpcs_create_mdiodev(struct mii_bus *bus, int addr,
 }
 EXPORT_SYMBOL_GPL(xpcs_create_mdiodev);
 
+MODULE_DESCRIPTION("Synopsys DesignWare XPCS library");
 MODULE_LICENSE("GPL v2");