Re: [PATCH 3/3] ACPI / ACPICA: Disable GPEs during initialization

["Rafael J. Wysocki" <rjw@sisk.pl>]

Hi,

The patch below is needed in the ACPICA core.

On Sunday, December 26, 2010, Len Brown wrote:
> From: Rafael J. Wysocki <rjw@sisk.pl>
> 
> 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>
> ---
>  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 2c7def9..4c8dea5 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.
>