Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH 2/2] Introduce CONFIG_SUSPEND (updated) | Date | Tue, 31 Jul 2007 11:15:27 +0200 |
| |
On Tuesday, 31 July 2007 06:59, Len Brown wrote: > On Sunday 29 July 2007 17:27, Rafael J. Wysocki wrote: > > Still, there are many other files in which CONFIG_PM can be replaced > > with CONFIG_PM_SLEEP or even with CONFIG_SUSPEND, but they can be updated in > > the future. > > There is #ifdef CONFIG_PM > around all the .suspend and .resume methods. > > Technically they are PM_DEVICE_STATES or something, > that could really be under PM, and both SUSPEND and HIBERNATE > would depend on PM_DEVICE_STATES, but it is also possible to have > PM_DEVICE_STATES without SUSPEND and HIBERNATE.
Well, the people on linux-pm seem to agree that the .suspend() and .resume() callbacks are not suitable for runtime power management, so having them built without SUSPEND or HIBERNATION wouldn't be very useful. ;-)
Greetings, Rafael
-- "Premature optimization is the root of all evil." - Donald Knuth - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |