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ACPI / ACPICA: Disable GPEs during initialization

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GPEs with corresponding _Lxx/_Exx control methods need to be disabled
during initialization in case they have been enabled by the BIOS, so
that they don't fire up until they are enabled by acpi_update_gpes().

References: https://bugzilla.kernel.org/show_bug.cgi?id=25412
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Rafael J. Wysocki 2010-12-26 12:47:06 +01:00 committed by Len Brown
parent b581a7f9c3
commit 5acdb1af90
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/acpica/evgpeinit.c
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@ -408,6 +408,9 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
return_ACPI_STATUS(AE_OK); return_ACPI_STATUS(AE_OK);
} }
/* Disable the GPE in case it's been enabled already. */
(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
/* /*
* Add the GPE information from above to the gpe_event_info block for * Add the GPE information from above to the gpe_event_info block for
* use during dispatch of this GPE. * use during dispatch of this GPE.