diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index e8f2ca625837f..f7a9e6599a642 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -245,6 +245,8 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= meson_gxl_config_intr,
 		.suspend        = genphy_suspend,
 		.resume         = genphy_resume,
+		.read_mmd	= genphy_read_mmd_unsupported,
+		.write_mmd	= genphy_write_mmd_unsupported,
 	},
 };