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

From	John Crispin <john@phrozen.org>
Newsgroups	linux.kernel
Subject	[PATCH 3/3] net-next: mediatek: add RX delay support
Date	2016-05-05 11:30 +0200
Message-ID	<rvnLB-5Kz-37@gated-at.bofh.it> (permalink)
References	<rvnLA-5Kz-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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@phrozen.org>
---
 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

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH 3/3] net-next: mediatek: add RX delay support John Crispin <john@phrozen.org> - 2016-05-05 11:30 +0200
  Re: [PATCH 3/3] net-next: mediatek: add RX delay support Andrew Lunn <andrew@lunn.ch> - 2016-05-05 14:20 +0200
    Re: [PATCH 3/3] net-next: mediatek: add RX delay support John Crispin <john@phrozen.org> - 2016-05-05 19:40 +0200

csiph-web