Commit f8fa2c2e authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Only configure USB4 wake for lane 0 adapters 



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

Fixes: b2911a59 ("thunderbolt: Enable wakes from system suspend")
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 77455129

drivers/thunderbolt/usb4.c

+4 −0
Original line number Diff line number Diff line
@@ -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);

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