On 2014-8-5 4:48, Randy Dunlap wrote:
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,
Good catch, We will update it.
Thanks Hanjun