From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
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 <damm+renesas@xxxxxxxxxxxxx>
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
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);
