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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5763-amd-xgbe-Sometimes-driver-report-incorrect-link-stat.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/5763-amd-xgbe-Sometimes-driver-report-incorrect-link-stat.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5763-amd-xgbe-Sometimes-driver-report-incorrect-link-stat.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5763-amd-xgbe-Sometimes-driver-report-incorrect-link-stat.patch
new file mode 100644
index 00000000..6c869f19
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5763-amd-xgbe-Sometimes-driver-report-incorrect-link-stat.patch
@@ -0,0 +1,39 @@
+From 6f83e3fea99f8c90cc17dc04b6591910377a06e2 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 5763/5765] amd-xgbe Sometimes driver report incorrect link
+ status and results in timeout error in driver Fix to 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(-)
+
+diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+index 151bdb629e8a..ff4eeb55ab79 100755
+--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+@@ -2565,8 +2565,18 @@ 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
+