diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0005-amd-xgbe-Fix-for-Network-fluctuations.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0005-amd-xgbe-Fix-for-Network-fluctuations.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0005-amd-xgbe-Fix-for-Network-fluctuations.patch b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0005-amd-xgbe-Fix-for-Network-fluctuations.patch new file mode 100644 index 00000000..72638d6d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0005-amd-xgbe-Fix-for-Network-fluctuations.patch @@ -0,0 +1,39 @@ +From a3cab0a6e63a95ad35ce408a4e455fe6354d8aa0 Mon Sep 17 00:00:00 2001 +From: Sudheesh Mavila <sudheesh.mavila@amd.com> +Date: Tue, 12 Jan 2021 15:11:03 +0530 +Subject: [PATCH 05/10] amd-xgbe: Fix for Network fluctuations + +BEL SFP, when connected to amd-xgbe shows frequent link down and up events on dmesg. +Refer ticket EMBDEV-8951. This fix avoids the frquent link up/down issue. + +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index 90f33c3ddb32..5307f7e6e64b 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -1049,6 +1049,18 @@ static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata) + } + phy_data->phydev = phydev; + ++ switch (phy_data->port_mode) { ++ case XGBE_PORT_MODE_SFP: ++ /* reset the sfp phy EMBDEV-8951 */ ++ if(phydev) ++ genphy_soft_reset(phydev); ++ else ++ netdev_err(pdata->netdev, "phy reset failed\n"); ++ break; ++ default: ++ break; ++ } ++ + xgbe_phy_external_phy_quirks(pdata); + + linkmode_and(phydev->advertising, phydev->advertising, +-- +2.17.1 + |