"Rafael J. Wysocki" <rjw@xxxxxxx> writes: > From: Rafael J. Wysocki <rjw@xxxxxxx> > > Introduce common headers, helper functions and callbacks allowing > platforms to use simple generic power domains for runtime power > management. > > Introduce struct generic_pm_domain to be used for representing > power domains that each contain a number of devices and may be > parent 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_off() is > supposed to remove power from the entire power domain > and ->power_on() 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. > > Introduce configuration option CONFIG_PM_GENERIC_DOMAINS to be > selected by the platforms that want to use the new code. > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx> Reviewed-by: Kevin Hilman <khilman@xxxxxx> While I still don't think this is generic enough for some more complicated SoCs, it most certainly a huge step in the right direction, and I think we can address the other complexities with additional patches as needed. Thanks Rafael for all your hard work on this and putting up with my nagging. ;) Kevin _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
