diff options
Diffstat (limited to 'drivers/thunderbolt/tunnel.c')
| -rw-r--r-- | drivers/thunderbolt/tunnel.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c index 1a7e849840b2..829b6ccdd5d4 100644 --- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -951,10 +951,18 @@ static void tb_usb3_reclaim_available_bandwidth(struct tb_tunnel *tunnel, int ret, max_rate, allocate_up, allocate_down; ret = usb4_usb3_port_actual_link_rate(tunnel->src_port); - if (ret <= 0) { - tb_tunnel_warn(tunnel, "tunnel is not up\n"); + if (ret < 0) { + tb_tunnel_warn(tunnel, "failed to read actual link rate\n"); return; + } else if (!ret) { + /* Use maximum link rate if the link valid is not set */ + ret = usb4_usb3_port_max_link_rate(tunnel->src_port); + if (ret < 0) { + tb_tunnel_warn(tunnel, "failed to read maximum link rate\n"); + return; + } } + /* * 90% of the max rate can be allocated for isochronous * transfers. |