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    SubjectRe: [PATCH v2 18/18] Documentation: ACPI for ARM64
    On 08/04/14 08:28, Hanjun Guo wrote:
    > From: Graeme Gregory <graeme.gregory@linaro.org>
    >
    > Add documentation for the guidelines of how to use ACPI
    > on ARM64.
    >
    > Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
    > Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
    > ---
    > Documentation/arm64/arm-acpi.txt | 215 ++++++++++++++++++++++++++++++++++++++
    > 1 file changed, 215 insertions(+)
    > create mode 100644 Documentation/arm64/arm-acpi.txt
    >
    > diff --git a/Documentation/arm64/arm-acpi.txt b/Documentation/arm64/arm-acpi.txt
    > new file mode 100644
    > index 0000000..a6e14a2
    > --- /dev/null
    > +++ b/Documentation/arm64/arm-acpi.txt
    > @@ -0,0 +1,215 @@
    > +ACPI on ARMv8 Servers
    > +---------------------
    > +

    ...

    > +
    > +ACPI Detection
    > +--------------
    > +
    > +Drivers should determine their probe() type by checking for ACPI_HANDLE,
    > +or .of_node, or other information in the device structure. This is
    > +detailed further in the "Driver Recommendations" section.
    > +
    > +In non-driver code If the presence of ACPI needs to be detected at runtime,
    > +then check the value of acpi_disabled. If CONFIG_ACPI not being set,

    If CONFIG_ACPI is not set,

    > +acpi_disabled will always be 1.
    > +
    > +Device Enumeration
    > +------------------


    --
    ~Randy


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