diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ec.c | 5 | ||||
| -rw-r--r-- | drivers/acpi/internal.h | 1 | ||||
| -rw-r--r-- | drivers/acpi/sleep.c | 19 |
3 files changed, 16 insertions, 9 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d1f1cf5d4bf0..9b9094b0b73f 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -2037,6 +2037,11 @@ void acpi_ec_set_gpe_wake_mask(u8 action) acpi_set_gpe_wake_mask(NULL, first_ec->gpe, action); } +bool acpi_ec_other_gpes_active(void) +{ + return acpi_any_gpe_status_set(first_ec ? first_ec->gpe : U32_MAX); +} + bool acpi_ec_dispatch_gpe(void) { u32 ret; diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 3616daec650b..d44c591c4ee4 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -202,6 +202,7 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); #ifdef CONFIG_PM_SLEEP void acpi_ec_flush_work(void); +bool acpi_ec_other_gpes_active(void); bool acpi_ec_dispatch_gpe(void); #endif diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index a66078644fc5..bb1ae400ec1f 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -1010,19 +1010,20 @@ static bool acpi_s2idle_wake(void) return true; /* - * If there are no EC events to process and at least one of the - * other enabled GPEs is active, the wakeup is regarded as a - * genuine one. - * - * Note that the checks below must be carried out in this order - * to avoid returning prematurely due to a change of the EC GPE - * status bit from unset to set between the checks with the - * status bits of all the other GPEs unset. + * If the status bit is set for any enabled GPE other than the + * EC one, the wakeup is regarded as a genuine one. */ - if (acpi_any_gpe_status_set(U32_MAX) && !acpi_ec_dispatch_gpe()) + if (acpi_ec_other_gpes_active()) return true; /* + * If the EC GPE status bit has not been set, the wakeup is + * regarded as a spurious one. + */ + if (!acpi_ec_dispatch_gpe()) + return false; + + /* * Cancel the wakeup and process all pending events in case * there are any wakeup ones in there. * |