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pm: Fix multithread issue with force state

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The "state forced" flag has to be cleared with the scheduler locked,
otherwise the idle thread can be scheduled out without clear it and
the next call to force a state will fail.

Fixes #41911

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2022-01-28 11:35:21 -08:00 • committed by Anas Nashif
commit fdf7465851
1 changed files with 1 additions and 1 deletions
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subsys/pm/pm.c
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@ -270,12 +270,12 @@ bool pm_system_suspend(int32_t ticks)
#endif
pm_stats_update(z_cpus_pm_state[id].state);
pm_system_resume();
atomic_clear_bit(z_cpus_pm_state_forced, id);
k_sched_unlock();
SYS_PORT_TRACING_FUNC_EXIT(pm, system_suspend, ticks,
z_cpus_pm_state[id].state);
end:
atomic_clear_bit(z_cpus_pm_state_forced, id);
return ret;
}