On Wednesday 10 of October 2012 12:49:33 Rajagopal Venkat wrote: > On 8 October 2012 13:44, MyungJoo Ham <myungjoo....@samsung.com> wrote: > >> Prepare devfreq core framework to support devices which > >> can idle. When device idleness is detected perhaps through > >> runtime-pm, need some mechanism to suspend devfreq load > >> monitoring and resume back when device is online. Present > >> code continues monitoring unless device is removed from > >> devfreq core. > >> > >> This patch introduces following design changes, > >> > >> - use per device work instead of global work to monitor device > >> load. This enables suspend/resume of device devfreq and > >> reduces monitoring code complexity. > >> - decouple delayed work based load monitoring logic from core > >> by introducing helpers functions to be used by governors. This > >> provides flexibility for governors either to use delayed work > >> based monitoring functions or to implement their own mechanism. > >> - devfreq core interacts with governors via events to perform > >> specific actions. These events include start/stop devfreq. > >> This sets ground for adding suspend/resume events. > >> > >> The devfreq apis are not modified and are kept intact. > >> > >> Signed-off-by: Rajagopal Venkat <rajagopal.ven...@linaro.org> > > > > Thank you! > > > > > > Reviewed and Tested (at Exynos4210-Nuri). > > > > Acked-by: MyungJoo Ham <myungjoo....@samsung.com> > > > > Rafael, > > Can this patchset be queued for v3.7?
No, but it can be queued for v3.8. I'll do that tomorrow, if time permits. All non-fix things I'd had queued up for v3.7 were merged already. Thanks, Rafael > >> --- > >> Documentation/ABI/testing/sysfs-class-devfreq | 8 - > >> drivers/devfreq/devfreq.c | 443 > >> +++++++++++--------------- > >> drivers/devfreq/governor.h | 11 + > >> drivers/devfreq/governor_performance.c | 16 +- > >> drivers/devfreq/governor_powersave.c | 16 +- > >> drivers/devfreq/governor_simpleondemand.c | 24 ++ > >> drivers/devfreq/governor_userspace.c | 23 +- > >> include/linux/devfreq.h | 34 +- > >> 8 files changed, 279 insertions(+), 296 deletions(-) > >> > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
