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Commit e0fa975d authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

ACPICA: Introduce acpi_enable_all_wakeup_gpes() 



Add a routine for host OSes to enable all wakeup GPEs and disable
all of the non-wakeup ones at the same time.

It will be used for the handling of GPE wakeup from suspend-to-idle
in Linux.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 5a0b8dee

drivers/acpi/acpica/evxfgpe.c

+32 −0
Original line number Diff line number Diff line
@@ -596,6 +596,38 @@ acpi_status acpi_enable_all_runtime_gpes(void) 


ACPI_EXPORT_SYMBOL(acpi_enable_all_runtime_gpes)



/******************************************************************************

 *

 * FUNCTION:    acpi_enable_all_wakeup_gpes

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Enable all "wakeup" GPEs and disable all of the other GPEs, in

 *              all GPE blocks.

 *

 ******************************************************************************/



acpi_status acpi_enable_all_wakeup_gpes(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(acpi_enable_all_wakeup_gpes);



	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);

	if (ACPI_FAILURE(status)) {

		return_ACPI_STATUS(status);

	}



	status = acpi_hw_enable_all_wakeup_gpes();

	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);



	return_ACPI_STATUS(status);

}



ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)



/*******************************************************************************

 *

 * FUNCTION:    acpi_install_gpe_block

include/acpi/acpixf.h

+1 −0
Original line number Diff line number Diff line
@@ -692,6 +692,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status 
						     *event_status))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))



ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status

				acpi_get_gpe_device(u32 gpe_index,