[PATCH net-next] net: dsa: mt7530: enable MTU normalization

[DENG Qingfang]

MT7530 has a global RX length register, so we are actually changing its
MRU.
Enable MTU normalization for this reason.

Signed-off-by: DENG Qingfang <dqf...@gmail.com>
---
 drivers/net/dsa/mt7530.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 99bf8fed6536..a67cac15a724 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1657,6 +1657,7 @@ mt7530_setup(struct dsa_switch *ds)
         */
        dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent;
        ds->configure_vlan_while_not_filtering = true;
+       ds->mtu_enforcement_ingress = true;
 
        if (priv->id == ID_MT7530) {
                regulator_set_voltage(priv->core_pwr, 1000000, 1000000);
@@ -1895,6 +1896,7 @@ mt7531_setup(struct dsa_switch *ds)
        }
 
        ds->configure_vlan_while_not_filtering = true;
+       ds->mtu_enforcement_ingress = true;
 
        /* Flush the FDB table */
        ret = mt7530_fdb_cmd(priv, MT7530_FDB_FLUSH, NULL);
-- 
2.25.1