On Tuesday 18 August 2009, Zhang Rui wrote: > On Mon, 2009-08-17 at 08:15 +0800, Rafael J. Wysocki wrote: > > On Wednesday 12 August 2009, Rafael J. Wysocki wrote: > > > Hi, > > > > > > The following patches introduce a mechanism allowing us to execute device > > > drivers' suspend and resume callbacks asynchronously during system sleep > > > transitions, such as suspend to RAM. The idea is explained in the [1/1] patch > > > message. > > > > Changes: > > > > * Added [1/7] that fixes kerneldoc comments in drivers/base/power/main.c > > (this is a 2.6.32 candidate). > > > > * Added [2/7] adding a framework for representing PM link (idea described > > in the patch message). > > > > * [3/7] is the async resume patch (idea described in the patch message). > > > > * [4/7] is the async suspend patch. > > > > * [5/7] - [7/7] set async_suspend for devices in a few selected subsystems. > > > > The patches have been tested on HP nx6325. > > > I tried this patch set and it does work. :) > But unfortunately it doesn't save too much time. > > I still think that the child device should inherit its parent's > async_suspend flag to do the asynchronous resume more efficiently. > > or at least we should provide such an interface > in drivers/base/power/common.c, so that device can tell the device core > to inherit this flag if there is no off-tree dependency. Well, I'd prefer to identify all of the off-tree dependencies that have to be taken into account and handle all devices asynchronously. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
