diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4104-Fix-hot-plug-failure-with-SFP-RJ45-module.-Do-force-.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4104-Fix-hot-plug-failure-with-SFP-RJ45-module.-Do-force-.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4104-Fix-hot-plug-failure-with-SFP-RJ45-module.-Do-force-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4104-Fix-hot-plug-failure-with-SFP-RJ45-module.-Do-force-.patch new file mode 100644 index 00000000..9bbb1ee4 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4104-Fix-hot-plug-failure-with-SFP-RJ45-module.-Do-force-.patch @@ -0,0 +1,42 @@ +From e33b0e04ddd97a9ed4a04f001255fb23263cfa13 Mon Sep 17 00:00:00 2001 +From: Sudheer Anumolu <sudheer.anumolu@amd.com> +Date: Tue, 26 Nov 2019 18:37:56 +0530 +Subject: [PATCH 4104/4736] Fix hot plug failure with SFP+RJ45 module. Do force + MDIO only if an external phy is available. + +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index a6fb6754984f..3fcfd7cb04d6 100755 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -989,6 +989,13 @@ static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata) + /* Clear the extra AN flag */ + pdata->an_again = 0; + ++ /* For SFP, only use an external PHY if available */ ++ if (phy_data->port_mode == XGBE_PORT_MODE_SFP) { ++ force_mdio_mv_bp_con = 0; ++ if(!phy_data->sfp_phy_avail) ++ return 0; ++ } ++ + /* Check for the use of an external PHY */ + if (phy_data->phydev_mode == XGBE_MDIO_MODE_NONE) { + if(force_mdio_mv_bp_con) { +@@ -1000,10 +1007,6 @@ static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata) + } + } + +- /* For SFP, only use an external PHY if available */ +- if ((phy_data->port_mode == XGBE_PORT_MODE_SFP) && +- !phy_data->sfp_phy_avail) +- return 0; + + /* Set the proper MDIO mode for the PHY */ + ret = pdata->hw_if.set_ext_mii_mode(pdata, phy_data->mdio_addr, +-- +2.17.1 + |