diff options
Diffstat (limited to 'drivers/thunderbolt/tb.c')
| -rw-r--r-- | drivers/thunderbolt/tb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 983b58d66096..1b379e9487b9 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -602,6 +602,7 @@ static int tb_available_bandwidth(struct tb *tb, struct tb_port *src_port, /* Find the minimum available bandwidth over all links */ tb_for_each_port_on_path(src_port, dst_port, port) { int link_speed, link_width, up_bw, down_bw; + int pci_reserved_up, pci_reserved_down; if (!tb_port_is_null(port)) continue; @@ -695,6 +696,16 @@ static int tb_available_bandwidth(struct tb *tb, struct tb_port *src_port, up_bw -= usb3_consumed_up; down_bw -= usb3_consumed_down; + /* + * If there is anything reserved for PCIe bulk traffic + * take it into account here too. + */ + if (tb_tunnel_reserved_pci(port, &pci_reserved_up, + &pci_reserved_down)) { + up_bw -= pci_reserved_up; + down_bw -= pci_reserved_down; + } + if (up_bw < *available_up) *available_up = up_bw; if (down_bw < *available_down) |