This is a partial backport of commit 5a30833b9a16f8d1aa15de06636f9317ca51f9df ("net: dsa: mt7530: support MDB and bridge flag operations") upstream. Make sure that the standalone ports start up with learning disabled. Signed-off-by: DENG Qingfang <dqfext@xxxxxxxxx> --- drivers/net/dsa/mt7530.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 6335c4ea0957..67dfab774618 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -803,6 +803,8 @@ mt7530_port_bridge_join(struct dsa_switch *ds, int port, PCR_MATRIX_MASK, PCR_MATRIX(port_bitmap)); priv->ports[port].pm |= PCR_MATRIX(port_bitmap); + mt7530_clear(priv, MT7530_PSC_P(port), SA_DIS); + mutex_unlock(&priv->reg_mutex); return 0; @@ -907,6 +909,8 @@ mt7530_port_bridge_leave(struct dsa_switch *ds, int port, mt7530_port_set_vlan_unaware(ds, port); + mt7530_set(priv, MT7530_PSC_P(port), SA_DIS); + mutex_unlock(&priv->reg_mutex); } @@ -1287,11 +1291,15 @@ mt7530_setup(struct dsa_switch *ds) mt7530_rmw(priv, MT7530_PCR_P(i), PCR_MATRIX_MASK, PCR_MATRIX_CLR); - if (dsa_is_cpu_port(ds, i)) + if (dsa_is_cpu_port(ds, i)) { mt7530_cpu_port_enable(priv, i); - else + } else { mt7530_port_disable(ds, i, NULL); + /* Disable learning by default on all user ports */ + mt7530_set(priv, MT7530_PSC_P(i), SA_DIS); + } + /* Enable consistent egress tag */ mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK, PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT)); -- 2.25.1