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-rw-r--r--drivers/thunderbolt/tb.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 6916168e2c76..b53ef5be7263 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -286,7 +286,11 @@ struct tb_path {
/* HopIDs 0-7 are reserved by the Thunderbolt protocol */
#define TB_PATH_MIN_HOPID 8
-#define TB_PATH_MAX_HOPS 7
+/*
+ * Support paths from the farthest (depth 6) router to the host and back
+ * to the same level (not necessarily to the same router).
+ */
+#define TB_PATH_MAX_HOPS (7 * 2)
/**
* struct tb_cm_ops - Connection manager specific operations vector