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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:23:55 +0200
commit33f16b25a091687388152d4b29593a39d819aa22 (patch)
tree34a8ef8acf3f14ca0e4f514756222876d00ff202 /drivers/thunderbolt/tunnel.c
parent23f87274f0ad4a9167de23a330ed88966634fdf6 (diff)
parentba4f184e126b751d1bffad5897f263108befc780 (diff)
Merge 5.9.0-rc6 into tty-next
We need the tty/serial fixes in here and this resolves a merge issue in the 8250 driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/tunnel.c')
-rw-r--r--drivers/thunderbolt/tunnel.c12
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.