Messages in this thread | | | Date | Mon, 04 Aug 2014 13:48:11 -0700 | From | Randy Dunlap <> | Subject | Re: [PATCH v2 18/18] Documentation: ACPI for ARM64 |
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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 > +--------------------- > +
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> + > +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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