diff options
Diffstat (limited to 'drivers/thunderbolt/usb4.c')
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 485b6e430686..9f5a98347bee 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -234,8 +234,8 @@ static bool link_is_usb4(struct tb_port *port) */ int usb4_switch_setup(struct tb_switch *sw) { - struct tb_port *downstream_port; - struct tb_switch *parent; + struct tb_switch *parent = tb_switch_parent(sw); + struct tb_port *down; bool tbt3, xhci; u32 val = 0; int ret; @@ -249,9 +249,8 @@ int usb4_switch_setup(struct tb_switch *sw) if (ret) return ret; - parent = tb_switch_parent(sw); - downstream_port = tb_port_at(tb_route(sw), parent); - sw->link_usb4 = link_is_usb4(downstream_port); + down = tb_switch_downstream_port(sw); + sw->link_usb4 = link_is_usb4(down); tb_sw_dbg(sw, "link: %s\n", sw->link_usb4 ? "USB4" : "TBT"); xhci = val & ROUTER_CS_6_HCI; |