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    Subject[PATCH 0/3] Rework GPE handling
    The current GPE code attempts to define GPEs as either runtime (the 
    default), wake or run/wake. These states are orthogonal to whether or
    not a GPE is actually enabled or not. Further, various additional flags
    are defined and set, but never used.

    This architecture is additionally complicated by changing the type of a
    GPE causing it to be disabled, resulting in complex functions that then
    have to conditionally re-enable a GPE. It also makes it impossible to
    determine how many consumers a given GPE has, preventing us from
    being able to implement runtime power management for devices requiring
    GPEs for wakeup notification.

    This patchset adds a new, simpler API and transitions the existing users
    over to it. It then removes the old code.

    drivers/acpi/acpica/acevents.h | 6 -
    drivers/acpi/acpica/aclocal.h | 2
    drivers/acpi/acpica/evgpe.c | 150 ++++---------------------------------
    drivers/acpi/acpica/evgpeblk.c | 164 +----------------------------------------
    drivers/acpi/acpica/evxface.c | 14 ---
    drivers/acpi/acpica/evxfevnt.c | 139 ++++++++++++++++++++++++++++++++--
    drivers/acpi/button.c | 18 +++-
    drivers/acpi/ec.c | 5 -
    drivers/acpi/wakeup.c | 57 +++-----------
    include/acpi/acpixf.h | 8 ++
    include/acpi/actypes.h | 32 ++------
    11 files changed, 197 insertions(+), 398 deletions(-)

    --
    Matthew Garrett | mjg59@srcf.ucam.org


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