net: dsa: felix: stop clearing CPU flooding in felix_setup_tag_8021q

felix_migrate_flood_to_tag_8021q_port() takes care of clearing the
flooding bits on the old CPU port (which was the CPU port module), so
manually clearing this bit from PGID_UC, PGID_MC, PGID_BC is redundant.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index e9ce0d6..638f420 100644 (file)
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -465,7 +465,6 @@ static int felix_update_trapping_destinations(struct dsa_switch *ds,
 static int felix_setup_tag_8021q(struct dsa_switch *ds, int cpu, bool change)
 {
        struct ocelot *ocelot = ds->priv;
-       unsigned long cpu_flood;
        struct dsa_port *dp;
        int err;
 
@@ -487,15 +486,6 @@ static int felix_setup_tag_8021q(struct dsa_switch *ds, int cpu, bool change)
                                 ANA_PORT_CPU_FWD_BPDU_CFG, dp->index);
        }
 
-       /* In tag_8021q mode, the CPU port module is unused, except for PTP
-        * frames. So we want to disable flooding of any kind to the CPU port
-        * module, since packets going there will end in a black hole.
-        */
-       cpu_flood = ANA_PGID_PGID_PGID(BIT(ocelot->num_phys_ports));
-       ocelot_rmw_rix(ocelot, 0, cpu_flood, ANA_PGID_PGID, PGID_UC);
-       ocelot_rmw_rix(ocelot, 0, cpu_flood, ANA_PGID_PGID, PGID_MC);
-       ocelot_rmw_rix(ocelot, 0, cpu_flood, ANA_PGID_PGID, PGID_BC);
-
        err = dsa_tag_8021q_register(ds, htons(ETH_P_8021AD));
        if (err)
                return err;