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authorMagnus Damm <damm+renesas@opensource.se>2018-11-21 20:21:17 +0900
committerDavid S. Miller <davem@davemloft.net>2018-11-23 11:14:47 -0800
commitebc227fd91f26406840543074c2e7a55700a5644 (patch)
tree224b13cd785a0e3963120d931aa69a06bc91808d /drivers/net/ethernet/renesas
parent02d805dc5fe34358b8a5e9fc141031a40cd496ed (diff)
downloadlinux-ebc227fd91f26406840543074c2e7a55700a5644.tar.gz
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>
Diffstat (limited to 'drivers/net/ethernet/renesas')
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index defed0d0c51d..24ad493ec136 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1088,6 +1088,10 @@ static int ravb_phy_init(struct net_device *ndev)
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;