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From 405444ebad260912ba3cf22596ad73e1eb8c0207 Mon Sep 17 00:00:00 2001
From: Sudheesh Mavila <sudheesh.mavila@amd.com>
Date: Wed, 11 Nov 2020 12:13:33 +0530
Subject: [PATCH 19/21] amd-xgbe: increased cdr delay
amd-xgbe driver needs delay to emable CDR.
Some link partner's use 20ms of idle time before sending valid clock.
The patch uses a delay of 22ms for the first time and increases
by a step of 22ms.
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
---
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 28e2c5961747..ea00a6c4eba3 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -149,9 +149,9 @@
#define XGBE_RATECHANGE_COUNT 500
/* CDR delay values for KR support (in usec) */
-#define XGBE_CDR_DELAY_INIT 10000
-#define XGBE_CDR_DELAY_INC 10000
-#define XGBE_CDR_DELAY_MAX 100000
+#define XGBE_CDR_DELAY_INIT 22000
+#define XGBE_CDR_DELAY_INC 22000
+#define XGBE_CDR_DELAY_MAX 110000
/* RRC frequency during link status check */
#define XGBE_RRC_FREQUENCY 10
--
2.17.1
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