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From f06a9803b44b5a1f9cd626a6ba66b976ca17df6c Mon Sep 17 00:00:00 2001
From: Sudheesh Mavila <sudheesh.mavila@amd.com>
Date: Tue, 12 Mar 2019 22:33:11 +0530
Subject: [PATCH 0629/2940] amd-xgbe Sometimes driver report incorrect link
status and results in timeout error in driver EMBSWDEV-6825
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
---
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
mode change 100644 => 100755 drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
old mode 100644
new mode 100755
index 5f01b36a6f8a..9cddcc8433e1
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -2563,8 +2563,18 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
*/
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
- if (reg & MDIO_STAT1_LSTATUS)
- return 1;
+ if(phy_data->sfp_speed == XGBE_SFP_SPEED_10000) {
+ if ((reg & MDIO_STAT1_LSTATUS) && !(reg & MDIO_STAT1_FAULT)) {
+ return 1;
+ } else {
+ *an_restart = 1;
+ pdata->phy_if.phy_reset(pdata);
+ return 0;
+ }
+ } else {
+ if (reg & MDIO_STAT1_LSTATUS)
+ return 1;
+ }
/* No link, attempt a receiver reset cycle */
if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) {
--
2.17.1
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