net: dsa: felix: set TX flow control according to the phylink_mac_link_up resolution
authorVladimir Oltean <vladimir.oltean@nxp.com>
Tue, 8 Jun 2021 11:16:51 +0000 (14:16 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 8 Jun 2021 23:35:14 +0000 (16:35 -0700)
Instead of relying on the static initialization done by ocelot_init_port()
which enables flow control unconditionally, set SYS_PAUSE_CFG_PAUSE_ENA
according to the parameters negotiated by the PHY.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/dsa/ocelot/felix.c

index ce607fb..a2a1591 100644 (file)
@@ -940,6 +940,8 @@ static void felix_phylink_mac_link_up(struct dsa_switch *ds, int port,
 
        ocelot_write_rix(ocelot, 0, ANA_POL_FLOWC, port);
 
+       ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, tx_pause);
+
        /* Undo the effects of felix_phylink_mac_link_down:
         * enable MAC module
         */