From 259e0c71e552557294d4820c840f62185e135c3a Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Thu, 31 Mar 2022 18:21:24 +0300
Subject: [PATCH] thunderbolt: Dump path config space entries during discovery
Git-commit: 259e0c71e552557294d4820c840f62185e135c3a
References: jsc#PED-1211
Patch-mainline: v5.19-rc1
This is useful when debugging possible issues during tunnel discovery.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/thunderbolt/path.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c
index 299712accfe9..ee03fd75a472 100644
--- a/drivers/thunderbolt/path.c
+++ b/drivers/thunderbolt/path.c
@@ -166,6 +166,9 @@ struct tb_path *tb_path_discover(struct tb_port *src, int src_hopid,
return NULL;
}
+ tb_dbg(path->tb, "discovering %s path starting from %llx:%u\n",
+ path->name, tb_route(src->sw), src->port);
+
p = src;
h = src_hopid;
@@ -198,10 +201,13 @@ struct tb_path *tb_path_discover(struct tb_port *src, int src_hopid,
path->hops[i].out_port = out_port;
path->hops[i].next_hop_index = next_hop;
+ tb_dump_hop(&path->hops[i], &hop);
+
h = next_hop;
p = out_port->remote;
}
+ tb_dbg(path->tb, "path discovery complete\n");
return path;
err:
--
2.35.3