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31 Oct, 2013

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  • This patch ports new counters and statistics interface, already
    implemented in ACPICA upstream, to Linux. That helps to reduce
    source code differences between Linux and ACPICA upstream.

    [rjw: Changelog]
    Signed-off-by: Lv Zheng
    Signed-off-by: Rafael J. Wysocki

    Lv Zheng
     

24 Sep, 2013

2 commits

  • The SCI interrupt number is not needed for the SCI handlers, and was
    just unnecessary overhead.

    Signed-off-by: Bob Moore
    Signed-off-by: Lv Zheng
    Reviewed-by: Len Brown
    Signed-off-by: Rafael J. Wysocki

    Bob Moore
     
  • This change adds support to allow hosts to install System Control
    Interrupt handlers. Certain ACPI functionality requires the host
    to handle raw SCIs. For example, the "SCI Doorbell" that is defined
    for memory power state support requires the host device driver to
    handle SCIs to examine if the doorbell has been activated. Multiple
    SCI handlers can be installed to allow for future expansion.
    Debugger support is included.
    Lv Zheng, Bob Moore. ACPICA BZ 1032.

    Bug summary:
    It is reported when the PCC (Platform Communication Channel, via
    MPST table, defined in ACPI specification 5.0) subchannel responds
    to the host, it issues an SCI and the host must probe the subchannel
    for channel status.

    Buglink: http://bugs.acpica.org/show_bug.cgi?id=1032
    Signed-off-by: Lv Zheng
    Signed-off-by: Bob Moore
    Reviewed-by: Len Brown
    Signed-off-by: Rafael J. Wysocki

    Lv Zheng
     

12 Mar, 2013

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