From 641cdbea7635be3a177dbdf81356ccb16f3769e3 Mon Sep 17 00:00:00 2001
From: Sanjay R Mehta <sanju.mehta@amd.com>
Date: Fri, 24 Sep 2021 02:44:24 -0500
Subject: [PATCH] thunderbolt: Enable retry logic for intra-domain control
packets
Git-commit: 641cdbea7635be3a177dbdf81356ccb16f3769e3
References: jsc#SLE-19356 jsc#SLE-19359
Patch-mainline: v5.16-rc1
In case of software connection manager, the response packets are lost
sometimes within the stipulated time. Hence resending the control
packets in such scenario by increasing the retry count TB_CTL_RETRIES
value.
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/thunderbolt/ctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 0fb5e04191e2..4986edfbdf67 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -17,7 +17,7 @@
#define TB_CTL_RX_PKG_COUNT 10
-#define TB_CTL_RETRIES 1
+#define TB_CTL_RETRIES 4
/**
* struct tb_ctl - Thunderbolt control channel
--
2.26.2