The enable-method needs to be psci for the psci_cpuidle_ops to be correctly registered.
Add a note to the binding documentation on where to find the declaration of the enable-method since it is a macro and escapes any attempts to grep for it. Cc: Sudeep Holla <[email protected]> Signed-off-by: Amit Kucheria <[email protected]> --- Documentation/devicetree/bindings/arm/idle-states.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt index 45730ba60af5..3a42335a6f3d 100644 --- a/Documentation/devicetree/bindings/arm/idle-states.txt +++ b/Documentation/devicetree/bindings/arm/idle-states.txt @@ -239,6 +239,10 @@ processor idle states, defined as device tree nodes, are listed. # On ARM v8 64-bit this property is required and must be: - "psci" + (This assumes that the enable-method is "psci" + in the cpu node[6] that then uses the + CPUIDLE_METHOD_OF_DECLARE macro to setup the + psci_cpuidle_ops callbacks) # On ARM 32-bit systems this property is optional The nodes describing the idle states (state) can only be defined within the @@ -697,3 +701,6 @@ cpus { [5] Devicetree Specification https://www.devicetree.org/specifications/ + +[6] ARM Linux Kernel documentation - Booting AArch64 Linux + Documentation/arm64/booting.txt -- 2.17.1
