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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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
wifi-calibration
Rafael J. Wysocki 2014-09-30 02:25:42 +02:00
parent 5a0b8deeeb
commit e0fa975d85
2 changed files with 33 additions and 0 deletions
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32
drivers/acpi/acpica/evxfgpe.c
View File

@ -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

1
include/acpi/acpixf.h
View File

@ -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,