thunderbolt: Dump path config space entries during discovery

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>

diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c
index 299712a..ee03fd7 100644 (file)
--- 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: