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thunderbolt: Only configure USB4 wake for lane 0 adapters

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Only USB4 lane 0 adapter has the USB4 port capability for wakes so only
program wakes on such adapters.

Fixes: b2911a593a ("thunderbolt: Enable wakes from system suspend")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg 2020-10-05 18:55:24 +03:00
parent 77455129fb
commit f8fa2c2e63
1 changed files with 4 additions and 0 deletions
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4
drivers/thunderbolt/usb4.c
View file

@ -421,8 +421,12 @@ int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags)
* upstream USB4 port.
*/
tb_switch_for_each_port(sw, port) {
if (!tb_port_is_null(port))
continue;
if (!route && tb_is_upstream_port(port))
continue;
if (!port->cap_usb4)
continue;
ret = tb_port_read(port, &val, TB_CFG_PORT,
port->cap_usb4 + PORT_CS_19, 1);