From: Mika Westerberg mika.westerberg@linux.intel.com
commit e8ff07fb33026c5c1bb5b81293496faba5d68059 upstream.
We need to take minimum of both sides of the USB3 link into consideration, not just the downstream port. Fix this by calling tb_usb3_max_link_rate() instead.
Fixes: 0bd680cd900c ("thunderbolt: Add USB3 bandwidth management") Cc: stable@vger.kernel.org Acked-by: Yehezkel Bernat YehezkelShB@gmail.com Signed-off-by: Mika Westerberg mika.westerberg@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/thunderbolt/tunnel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -956,7 +956,7 @@ static void tb_usb3_reclaim_available_ba 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); + ret = tb_usb3_max_link_rate(tunnel->dst_port, tunnel->src_port); if (ret < 0) { tb_tunnel_warn(tunnel, "failed to read maximum link rate\n"); return;