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author | Luka Perkov <luka.perkov@sartura.hr> | 2016-06-23 13:57:21 +0200 |
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committer | GitHub <noreply@github.com> | 2016-06-23 13:57:21 +0200 |
commit | 282b917e47d9ae5017e1e426face9b75cb7aabd0 (patch) | |
tree | 3284ca2d20d9c8d7a4563c6446675c1ecf3feac2 /target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch | |
parent | 34d432b05312de6d9575c559db8209809489096d (diff) | |
parent | 441a9c879ba6562ea9f431cf33bbb0c0400d5fd0 (diff) | |
download | master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.tar.gz master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.tar.bz2 master-187ad058-282b917e47d9ae5017e1e426face9b75cb7aabd0.zip |
Merge pull request #11 from wigyori/master
pull req for 4.4.12, ar71xx/mediatek updates, package upgrades
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch b/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch new file mode 100644 index 0000000000..1d176f2ece --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch @@ -0,0 +1,31 @@ +From 25eaa5d6483a5899e6bf48b47f762f05c186b4b6 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Fri, 22 Apr 2016 11:08:43 +0200 +Subject: [PATCH 080/102] net-next: mediatek: properly handle RGMII modes + +If an external Gigabit PHY is connected to either of the MACs we need to +be able to tell the PHY to use a delay. Not doing so will result in heavy +packet loss and/or data corruption when using PHYs such as the IC+ IP1001. +We tell the PHY which MII delay mode to use via the devictree. + +The ethernet driver needs to be adapted to handle all 3 rgmii-*id modes +in the same way as normal rgmii when setting up the MAC. + +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -236,6 +236,9 @@ static int mtk_phy_connect(struct mtk_ma + return -ENODEV; + + switch (of_get_phy_mode(np)) { ++ case PHY_INTERFACE_MODE_RGMII_TXID: ++ case PHY_INTERFACE_MODE_RGMII_RXID: ++ case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + ge_mode = 0; + break; |