diff options
Diffstat (limited to 'common/throttle_ap.c')
| -rw-r--r-- | common/throttle_ap.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/common/throttle_ap.c b/common/throttle_ap.c index 8a4314db4d..e07fa42357 100644 --- a/common/throttle_ap.c +++ b/common/throttle_ap.c @@ -95,6 +95,16 @@ static void prochot_input_deferred(void) if (prochot_in == debounced_prochot_in) return; + /* + * b/173180788 Confirmed from Intel internal that SLP_S3# asserts low + * about 10us before PROCHOT# asserts low, which means that + * the CPU is already in reset and therefore the PROCHOT# + * asserting low is normal behavior and not a concern + * for PROCHOT# event. Ignore all PROCHOT changes while the AP is off + */ + if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) + return; + debounced_prochot_in = prochot_in; if (debounced_prochot_in) { |