From cddd4591404fb4c53dc0b3c0b15b942cdbed4356 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Fri, 10 Apr 2020 10:47:05 +0800 Subject: layerscape: add patches-5.4 Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu --- ...-376-enetc-disable-EEE-autoneg-by-default.patch | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/701-net-0342-LF-376-enetc-disable-EEE-autoneg-by-default.patch (limited to 'target/linux/layerscape/patches-5.4/701-net-0342-LF-376-enetc-disable-EEE-autoneg-by-default.patch') diff --git a/target/linux/layerscape/patches-5.4/701-net-0342-LF-376-enetc-disable-EEE-autoneg-by-default.patch b/target/linux/layerscape/patches-5.4/701-net-0342-LF-376-enetc-disable-EEE-autoneg-by-default.patch new file mode 100644 index 0000000000..18b4d77dc9 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0342-LF-376-enetc-disable-EEE-autoneg-by-default.patch @@ -0,0 +1,38 @@ +From cb87015e005f429bff6fc084a61281235ca83d51 Mon Sep 17 00:00:00 2001 +From: Yangbo Lu +Date: Fri, 6 Dec 2019 12:41:48 +0800 +Subject: [PATCH] LF-376 enetc: disable EEE autoneg by default + +The EEE support has not been enabled on ENETC, but it may connect +to a PHY which supports EEE and advertises EEE by default, while +its link partner also advertises EEE. If this happens, the PHY enters +low power mode when the traffic rate is low and causes packet loss. +This patch disables EEE advertisement by default for any PHY that +ENETC connects to, to prevent the above unwanted outcome. + +Signed-off-by: Yangbo Lu +--- + drivers/net/ethernet/freescale/enetc/enetc.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/net/ethernet/freescale/enetc/enetc.c ++++ b/drivers/net/ethernet/freescale/enetc/enetc.c +@@ -1369,6 +1369,7 @@ static int enetc_phy_connect(struct net_ + { + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct phy_device *phydev; ++ struct ethtool_eee edata; + + if (!priv->phy_node) + return 0; /* phy-less mode */ +@@ -1382,6 +1383,10 @@ static int enetc_phy_connect(struct net_ + + phy_attached_info(phydev); + ++ /* disable EEE autoneg, until ENETC driver supports it */ ++ memset(&edata, 0, sizeof(struct ethtool_eee)); ++ phy_ethtool_set_eee(phydev, &edata); ++ + return 0; + } + -- cgit v1.2.3