On Sat, Apr 30, 2011 at 02:54:46AM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rjw@xxxxxxx> > > Introcude common headers, helper functions and callbacks allowing > platforms to use simple generic power domains for runtime power > management. > > Introduce struct generic_power_domain to be used for representing > power domains that each contain a number of devices and may be > master domains or subdomains with respect to other power domains. > Among other things, this structure includes callbacks to be > provided by platforms for performing specific tasks related to > power management (i.e. ->stop_device() may disable a device's > clocks, while ->start_device() may enable them, ->power_on() is > supposed to remove power from the entire power domain > and ->power_off() is supposed to restore it). > > Introduce functions that can be used as power domain runtime PM > callbacks, pm_genpd_runtime_suspend() and pm_genpd_runtime_resume(), > as well as helper functions for the initialization of a power > domain represented by a struct generic_power_domain object, > adding a device to or removing a device from it and adding or > removing subdomains. > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx> > --- > > Hi, > > This version of the patch fixes a bug that caused pm_runtime_suspend() > (and equivalent) to return -EBUSY erroneously when suspending the last > active device in a power domain. It has been tested on an ARM shmobile > system. > > Greg, I hope your ACK is still valid. :-) Yes, it is. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
