[PATCH 3/3] net-next: mediatek: add RX delay support

From: John Crispin
Date: Thu May 05 2016 - 05:24:51 EST


If an external Gigabit PHY is connected to either of the MACs we need to
tell the to use a RX delay. Not doing so will result in heavy packet loss
and/or data corruption of RX traffic.

Signed-off-by: John Crispin <john@xxxxxxxxxxx>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index d397bec..41cdc0d 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -226,6 +226,7 @@ static int mtk_phy_connect(struct mtk_mac *mac)
return -ENODEV;

switch (of_get_phy_mode(np)) {
+ case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII:
ge_mode = 0;
break;
--
1.7.10.4