diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9045-amd-xgbe-limit-the-rx-adaptation-retries-to-MAX_RX_A.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9045-amd-xgbe-limit-the-rx-adaptation-retries-to-MAX_RX_A.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9045-amd-xgbe-limit-the-rx-adaptation-retries-to-MAX_RX_A.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9045-amd-xgbe-limit-the-rx-adaptation-retries-to-MAX_RX_A.patch new file mode 100644 index 00000000..f3c733f6 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9045-amd-xgbe-limit-the-rx-adaptation-retries-to-MAX_RX_A.patch @@ -0,0 +1,74 @@ +From 0c4f9b298814a55cf55a45a5d3c51a0966a8c9a7 Mon Sep 17 00:00:00 2001 +From: Raju Rangoju <Raju.Rangoju@amd.com> +Date: Wed, 20 Apr 2022 18:09:25 +0530 +Subject: [PATCH 45/48] amd-xgbe: limit the rx-adaptation retries to + MAX_RX_ADAPT_RETRIES + +Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> +Signed-off-by: rgaridap <Ramesh.Garidapuri@amd.com> +Change-Id: I7b70cd6e5cf82368daf73076209d97eddd3f9265 +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 18 +++++++++++++----- + drivers/net/ethernet/amd/xgbe/xgbe.h | 2 +- + 2 files changed, 14 insertions(+), 6 deletions(-) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index f0cb4acbf231..168863a49360 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -2121,7 +2121,9 @@ static void xgbe_phy_rx_adaptation(struct xgbe_prv_data *pdata) + */ + + int reg; +- pdata->count = 0; ++ struct xgbe_phy_data *phy_data; ++ ++#define MAX_RX_ADAPT_RETRIES 5 + + rx_adapt_reinit: + reg = XMDIO_READ_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_RX_LSTS, +@@ -2166,18 +2168,24 @@ static void xgbe_phy_rx_adaptation(struct xgbe_prv_data *pdata) + pdata->mode_set = 0; + return; + } else { +- struct xgbe_phy_data *phy_data = pdata->phy_data; +- xgbe_phy_set_mode(pdata, phy_data->cur_mode); ++ goto set_mode; + } + } else { +- struct xgbe_phy_data *phy_data = pdata->phy_data; ++set_mode: ++ phy_data = pdata->phy_data; ++ if (pdata->rx_adapt_retries++ >= MAX_RX_ADAPT_RETRIES) { ++ pdata->rx_adapt_retries = 0; ++ return; ++ } + xgbe_phy_set_mode(pdata, phy_data->cur_mode); + } + } else { + netif_dbg(pdata, link, pdata->netdev, "%s either RX_VALID or LF_SIGDET is not set, issuing rrc\n",__func__); + xgbe_phy_rrc(pdata); +- if (pdata->count++ >= 5) ++ if (pdata->rx_adapt_retries++ >= MAX_RX_ADAPT_RETRIES) { ++ pdata->rx_adapt_retries = 0; + return; ++ } + goto rx_adapt_reinit; + } + } +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h +index 1ee48f3b9df5..b0e6a837d704 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe.h ++++ b/drivers/net/ethernet/amd/xgbe/xgbe.h +@@ -1286,7 +1286,7 @@ struct xgbe_prv_data { + bool debugfs_an_cdr_workaround; + bool debugfs_an_cdr_track_early; + bool en_rx_adap; +- int count; ++ int rx_adapt_retries; + bool rx_adapt_done; + bool mode_set; + }; +-- +2.27.0 + |