Re: [RFC] Mapping Device Power States

Li Shaohua
2005-04-11T09:50:09Z

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On Fri, 2005-04-08 at 05:25, Adam Belay wrote:
>
> POWER_ON: the device is fully functional
> POWER_LIGHT: device context and configuration are maintained, but
> device
> isn't functional.
> POWER_MODERATE: device configuration is maintained, but the context is
> not. The device isn't functional
> POWER_DEEP: no device configuration or context is maintained, but
> device
> is not fully off. The device is not functional.
> POWER_OFF: no power is applied to the device. The device is not
> functional.
I think there are two POWER_OFF. One is the device is not functional but
its related device such as PIC is enabled. And the other is its related
device is disabled. In STR, the state of a device is it's powroff and
its related devices such as the pic/ioapic pin and irq router is are
disabled/masked.

Thanks,
Shaohua