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thunderbolt: CLx disable before system suspend only if previously enabled 

Disable CLx before system suspended only if previously was enabled.

Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Gil Fine 2022-05-26 13:59:17 +03:00 committed by Mika Westerberg
parent 990f4b85d7
commit 418a5a3d65
1 changed files with 4 additions and 2 deletions
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6
drivers/thunderbolt/switch.c
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@ -3134,8 +3134,10 @@ void tb_switch_suspend(struct tb_switch *sw, bool runtime)
* Actually only needed for Titan Ridge but for simplicity can be
* done for USB4 device too as CLx is re-enabled at resume.
*/
if (tb_switch_disable_clx(sw, TB_CL0S))
tb_sw_warn(sw, "failed to disable CLx on upstream port\n");
if (tb_switch_is_clx_enabled(sw)) {
if (tb_switch_disable_clx(sw, TB_CL0S))
tb_sw_warn(sw, "failed to disable CLx on upstream port\n");
}
err = tb_plug_events_active(sw, false);
if (err)