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[SRU,OEM-5.14] thunderbolt: Enable retry logic for intra-domain control packets

Message ID 20211009020637.2353160-2-alex.hung@canonical.com
State New
Headers show
Series [SRU,OEM-5.14] thunderbolt: Enable retry logic for intra-domain control packets | expand

Commit Message

Alex Hung Oct. 9, 2021, 2:06 a.m. UTC 
From: Sanjay R Mehta <sanju.mehta@amd.com>

BugLink: https://bugs.launchpad.net/bugs/1945361

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>
(cherry picked from commit 641cdbea7635be3a177dbdf81356ccb16f3769e3 linux-next)
Signed-off-by: Alex Hung <alex.hung@canonical.com>
---
 drivers/thunderbolt/ctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 0fb5e04..4986edf 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