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thunderbolt: Use correct function to calculate maximum USB3 link rate

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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: 0bd680cd90 ("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>
This commit is contained in:
Mika Westerberg 2022-05-20 13:35:19 +03:00
parent 23257cfc1c
commit e8ff07fb33
1 changed files with 1 additions and 1 deletions
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2
drivers/thunderbolt/tunnel.c
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@ -1275,7 +1275,7 @@ static void tb_usb3_reclaim_available_bandwidth(struct tb_tunnel *tunnel,
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;