Messages in this thread Patch in this message | | | From | Lukas Wunner <> | Date | Sun, 9 Sep 2018 23:42:01 +0200 | Subject | [PATCH 1/5] thunderbolt: Skip disabled ports on tunnel establishment |
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If a PCIe downstream adapter is marked disabled in the DROM, that port is ineligible for tunnel establishment, so skip over it when searching for an unused port.
Signed-off-by: Lukas Wunner <lukas@wunner.de> --- drivers/thunderbolt/tb.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 1424581fd9af..0da2e7a06ab5 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -147,6 +147,8 @@ static struct tb_port *tb_find_unused_down_port(struct tb_switch *sw) int res; int data; for (i = 1; i <= sw->config.max_port_number; i++) { + if (sw->ports[i].disabled) + continue; if (tb_is_upstream_port(&sw->ports[i])) continue; if (sw->ports[i].config.type != TB_TYPE_PCIE_DOWN) -- 2.18.0
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