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power: Add an assert for an unexpected condition

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Exit latency time should never be greater than the residency time.
Just add an assert in case the policy does not properly handle it.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin
2021-04-19 19:36:10 -07:00
committed by Anas Nashif
parent fba5779a8d
commit 11ac18abc2
1 changed files with 8 additions and 0 deletions
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8
subsys/power/power.c
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@@ -182,6 +182,14 @@ enum pm_state pm_system_suspend(int32_t ticks)
post_ops_done = 0;
if (ticks != K_TICKS_FOREVER) {
/*
* Just a sanity check in case the policy manager does not
* handle this error condition properly.
*/
__ASSERT(z_power_state.min_residency_us >=
z_power_state.exit_latency_us,
"min_residency_us < exit_latency_us");
/*
* We need to set the timer to interrupt a little bit early to
* accommodate the time required by the CPU to fully wake up.