Re: [linux-pm] [PATCH] Custom power states for non-ACPI systems

[Benjamin Herrenschmidt]

On Tue, 2005-03-01 at 18:03 -0800, Todd Poynor wrote:
> Advertise custom sets of system power states for non-ACPI systems.
> Currently, /sys/power/state shows and accepts a static set of choices
> that are not necessarily meaningful on all platforms (for example,
> suspend-to-disk is an option even on diskless embedded systems, and the
> meaning of standby vs. suspend-to-mem is not well-defined on
> non-ACPI-systems).  This patch allows the platform to register power
> states with meaningful names that correspond to the platform's
> conventions (for example, "big sleep" and "deep sleep" on TI OMAP), and
> only those states that make sense for the platform.
> .../...

Note that I'd like to rework the whole notion of power states
ultimately. Devices themselves need custom state if we want anything
sane other than global system wide suspend.

Ben.


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