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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2010-12-26 12:47:06 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-12-26 17:02:55 -0500 |
| commit | 5acdb1af907d5908b4942d425c0983f353dd8fc5 (patch) | |
| tree | 41a37586a26042a2a299a40ec7a18aea1eefec90 /drivers/acpi | |
| parent | b581a7f9c3abc6c7afacd021747543d32ff17adb (diff) | |
| download | linux-stable-5acdb1af907d5908b4942d425c0983f353dd8fc5.tar.gz linux-stable-5acdb1af907d5908b4942d425c0983f353dd8fc5.tar.bz2 linux-stable-5acdb1af907d5908b4942d425c0983f353dd8fc5.zip | |
ACPI / ACPICA: Disable GPEs during initialization
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>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/evgpeinit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index 2c7def95f721..4c8dea513b66 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -408,6 +408,9 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, 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 * use during dispatch of this GPE. |