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ACPICA: Add new GPE public interface - acpi_mark_gpe_for_wake.

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ACPICA commit c49dbfed2bc069d0038ea7e1294409bfde7c2c8c

Some potential callers of acpi_setup_gpe_for_wake may know in advance that
there won't be any notify handlers installed for device wake notifications
from the given GPE (one example is a button GPE in Linux). For these cases,
acpi_mark_gpe_for_wake should be used instead of acpi_setup_gpe_for_wake.
This will set the ACPI_GPE_CAN_WAKE flag for the GPE without trying to
setup implicit wake notification for it (since there's no handler method).
Rafael Wysocki.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
This commit is contained in:
Rafael J. Wysocki
2014-07-23 13:12:16 +08:00
parent b9ca3d7b51
commit c12f07d17c
2 changed files with 51 additions and 0 deletions
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4
include/acpi/acpixf.h
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@@ -674,6 +674,10 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
acpi_finish_gpe(acpi_handle gpe_device,
u32 gpe_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
acpi_mark_gpe_for_wake(acpi_handle gpe_device,
u32 gpe_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
acpi_setup_gpe_for_wake(acpi_handle
parent_device,