diff mbox series

[v4,2/6] thunderbolt: CLx disable before system suspend only if previously enabled

Message ID 20220526105921.17214-3-gil.fine@intel.com
State New
Headers show
Series thunderbolt: CL1 support for USB4 and Titan Ridge | expand

Commit Message

Gil Fine May 26, 2022, 10:59 a.m. UTC 
Disable CLx before system suspended only if previously was enabled.

Signed-off-by: Gil Fine <gil.fine@intel.com>
---
 drivers/thunderbolt/switch.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index ac87e8b50e52..549523c9a543 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -3063,8 +3063,10 @@  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)