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    Subject[PATCH -v3 4/4] PCI/PM: Add ABI document for sysfs file d3cold_allowed
    This patch adds ABI document for the following sysfs file:


    Signed-off-by: Huang Ying <>
    Acked-by: Rafael J. Wysocki <>
    Documentation/ABI/testing/sysfs-bus-pci | 12 ++++++++++++
    1 file changed, 12 insertions(+)

    --- a/Documentation/ABI/testing/sysfs-bus-pci
    +++ b/Documentation/ABI/testing/sysfs-bus-pci
    @@ -210,3 +210,15 @@ Users:
    firmware assigned instance number of the PCI
    device that can help in understanding the firmware
    intended order of the PCI device.
    +What: /sys/bus/pci/devices/.../d3cold_allowed
    +Date: July 2012
    +Contact: Huang Ying <>
    + d3cold_allowed is bit to control whether the corresponding PCI
    + device can be put into D3Cold state. If it is cleared, the
    + device will never be put into D3Cold state. If it is set, the
    + device may be put into D3Cold state if other requirements are
    + satisfied too. Reading this attribute will show the current
    + value of d3cold_allowed bit. Writing this attribute will set
    + the value of d3cold_allowed bit.

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      Last update: 2012-08-08 03:42    [W:0.021 / U:32.028 seconds]
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