[PATCH 09/19] thunderbolt: Initialize TMU again on resume
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: 2020-08-19 12:03:52
Also in:
linux-acpi, linux-pci
Subsystem:
the rest, thunderbolt driver · Maintainers:
Linus Torvalds, Andreas Noever, Mika Westerberg, Yehezkel Bernat
The TMU will be reset after router exits sleep so in order to re-configure it upon resume make sure the structure is initialized again based on the current hardware state. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> --- drivers/thunderbolt/switch.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index fb30ea1dfc31..de186d6ed166 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c@@ -2534,6 +2534,10 @@ int tb_switch_resume(struct tb_switch *sw) if (err) return err; + err = tb_switch_tmu_init(sw); + if (err) + return err; + /* check for surviving downstream switches */ tb_switch_for_each_port(sw, port) { if (!tb_port_has_remote(port) && !port->xdomain)
--
2.28.0