thunderbolt: Drop duplicated get_switch_at_route()

tb_switch_find_by_route() does the same already so use it instead and
remove duplicated get_switch_at_route().

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lukas Wunner <lukas@wunner.de>

1 files changed, 0 insertions, 18 deletions

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 504365d46827..5c2c0201ae7f 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -644,24 +644,6 @@ int tb_switch_reset(struct tb *tb, u64 route)
         return res.err;
 }
 
-struct tb_switch *get_switch_at_route(struct tb_switch *sw, u64 route)
-{
-        u8 next_port = route; /*
-                               * Routes use a stride of 8 bits,
-                               * eventhough a port index has 6 bits at most.
-                               * */
-        if (route == 0)
-                return sw;
-        if (next_port > sw->config.max_port_number)
-                return NULL;
-        if (tb_is_upstream_port(&sw->ports[next_port]))
-                return NULL;
-        if (!sw->ports[next_port].remote)
-                return NULL;
-        return get_switch_at_route(sw->ports[next_port].remote->sw,
-                                   route >> TB_ROUTE_SHIFT);
-}
-
 /**
  * tb_plug_events_active() - enable/disable plug events on a switch
  *