On Wed, Oct 15, 2014 at 02:02:18PM +0100, Mark Rutland wrote:
> > > + CPU_SLEEP: cpu-sleep {
> > > + compatible = "arm,idle-state";
> > > + local-timer-stop;
> > > + arm,psci-suspend-param = <0x0010000>;
> > > + entry-latency-us = <20>;
> > > + exit-latency-us = <150>;
> > > + min-residency-us = <2100>;
> > > + status = "enabled";
>
> While status is a relatively standard property, it's absence implies
> everything is OK. There no need for it here as-is.
>
> Additionally, the canonical value is "okay", not "enabled", so this
> would fail were we to use of_device_is_available in the idle states
> parsing.
Good point. I still want it documented in the bindings, keeping in mind
your remark above.
> > status ? This is not a documented property. If you need it please explain
> > why, define its bindings and we can see how to accommodate it.
>
> Do we expect that some idle states won't be available on some boards
> built from the same platform?
I think it is something we should expect and be able to cope with that.
I will add status to idle-states bindings updates for this cycle and patch DT
parsing code accordingly.
Lorenzo
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