commit ebc227fd91f26406840543074c2e7a55700a5644
author Magnus Damm <damm+renesas@opensource.se> Wed Nov 21 20:21:17 2018 +0900
committer David S. Miller <davem@davemloft.net> Fri Nov 23 11:14:47 2018 -0800
tree 224b13cd785a0e3963120d931aa69a06bc91808d
parent 02d805dc5fe34358b8a5e9fc141031a40cd496ed

ravb: Do not announce HDX as supported

According to the data sheet the Ethernet-AVB hardware in R-Car Gen3
and R-Car Gen2 SoCs do not support half duplex operation. So update
the driver to mark 100Mbit and 1Gbps HDX as unsupported.

Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/ravb_main.c

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index defed0d..24ad493 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1088,6 +1088,10 @@
 	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_Pause_BIT);
 	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_Asym_Pause_BIT);
 
+	/* Half Duplex is not supported */
+	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
+	phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_100baseT_Half_BIT);
+
 	phy_attached_info(phydev);
 
 	return 0;