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thunderbolt: Initialize TMU again on resume

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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>
This commit is contained in:
Mika Westerberg 2020-03-27 17:20:31 +02:00
parent 81a2e3e49f
commit 8145c4350e
1 changed files with 4 additions and 0 deletions
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4
drivers/thunderbolt/switch.c
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@ -2533,6 +2533,10 @@ 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)