diff options
Diffstat (limited to 'drivers/thunderbolt/tb.c')
| -rw-r--r-- | drivers/thunderbolt/tb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 1aa6dd7dc68b..d2c3fe346e91 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -38,6 +38,11 @@ static void tb_scan_port(struct tb_port *port) return; if (port->config.type != TB_TYPE_PORT) return; + if (port->dual_link_port && port->link_nr) + return; /* + * Downstream switch is reachable through two ports. + * Only scan on the primary port (link_nr == 0). + */ if (tb_wait_for_port(port, false) <= 0) return; if (port->remote) { |