diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9034-amd-xgbe-rrc-is-required-only-for-Fixed-PHY-configur.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9034-amd-xgbe-rrc-is-required-only-for-Fixed-PHY-configur.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9034-amd-xgbe-rrc-is-required-only-for-Fixed-PHY-configur.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9034-amd-xgbe-rrc-is-required-only-for-Fixed-PHY-configur.patch new file mode 100644 index 00000000..1d37cada --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9034-amd-xgbe-rrc-is-required-only-for-Fixed-PHY-configur.patch @@ -0,0 +1,33 @@ +From babc121e36ec93ceb4c09a0157c75deaab98691a Mon Sep 17 00:00:00 2001 +From: Sudheesh Mavila <sudheesh.mavila@amd.com> +Date: Tue, 10 Nov 2020 12:42:28 +0530 +Subject: [PATCH 34/48] amd-xgbe: rrc is required only for Fixed PHY + configuration + +xgbe driver does RRC in every 10 seconds if the link is down. +When AN is enabled and KR training is in progress, +doing RRC cause KR training failure. The patch enables RRC only +if AN is disabled. + +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index 371b4c91e289..73f8bf084021 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -2656,7 +2656,8 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart) + /* No link, attempt a receiver reset cycle */ + if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) { + phy_data->rrc_count = 0; +- xgbe_phy_rrc(pdata); ++ if (pdata->phy.autoneg == AUTONEG_DISABLE) ++ xgbe_phy_rrc(pdata); + } + + return 0; +-- +2.27.0 + |