From: Magnus Damm <[email protected]> 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.
Not-Yet-Signed-off-by: Magnus Damm <[email protected]> Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") Reviewed-by: Sergei Shtylyov <[email protected]> --- Written on top of next-20180820 drivers/net/ethernet/renesas/ravb_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- 0001/drivers/net/ethernet/renesas/ravb_main.c +++ work/drivers/net/ethernet/renesas/ravb_main.c 2018-08-20 23:42:46.670859449 +0900 @@ -1076,8 +1076,9 @@ static int ravb_phy_init(struct net_devi netdev_info(ndev, "limited PHY to 100Mbit/s\n"); } - /* 10BASE is not supported */ - phydev->supported &= ~PHY_10BT_FEATURES; + /* Neither 10BASE nor half duplex are supported */ + phydev->supported &= ~(PHY_10BT_FEATURES | SUPPORTED_100baseT_Half | + SUPPORTED_1000baseT_Half); phy_attached_info(phydev);
