On 2014-8-5 4:48, Randy Dunlap wrote: > On 08/04/14 08:28, Hanjun Guo wrote: >> From: Graeme Gregory <graeme.gregory@xxxxxxxxxx> >> >> Add documentation for the guidelines of how to use ACPI >> on ARM64. >> >> Signed-off-by: Graeme Gregory <graeme.gregory@xxxxxxxxxx> >> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> >> --- >> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html