On Tue, Nov 24, 2020 at 08:46:38PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > When wakeup signaling is enabled for a bridge for the second (or every > next) time in a row, its existing device wakeup power configuration > may not match the new conditions. For example, some devices below > it may have been put into low-power states and that changes the > device wakeup power conditions or similar. This causes functional > problems to appear on some systems (for example, because of it the > Thunderbolt port on Dell Precision 5550 cannot detect devices plugged > in after it has been suspended). > > For this reason, modify __acpi_device_wakeup_enable() to refresh the > device wakeup power configuration of the target device on every > invocation, not just when it is called for that device first time > in a row. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Reported-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> > Tested-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
