Messages in this thread | | | Subject | [PATCH V2 0/2] time/cpuidle: Support in tick broadcast framework in absence of external clock device | From | Preeti U Murthy <> | Date | Fri, 24 Jan 2014 12:27:08 +0530 |
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This earlier version of this patchset can be found here: https://lkml.org/lkml/2013/12/12/687. This version has been based on the discussion in http://www.kernelhub.org/?p=2&msg=399516.
This patchset provides the hooks that the architectures without an external clock device and deep idle states where the local timers stop can make use of.
Presently we are in need of this support on certain implementations of PowerPC. This patchset has been used on PowerPC for testing with
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Preeti U Murthy (1): time: Change the return type of clockevents_notify() to integer
Thomas Gleixner (1): tick/cpuidle: Initialize hrtimer mode of broadcast
include/linux/clockchips.h | 15 ++++- kernel/time/Makefile | 2 - kernel/time/clockevents.c | 8 ++- kernel/time/tick-broadcast-hrtimer.c | 102 ++++++++++++++++++++++++++++++++++ kernel/time/tick-broadcast.c | 51 ++++++++++++++++- kernel/time/tick-internal.h | 6 +- 6 files changed, 171 insertions(+), 13 deletions(-) create mode 100644 kernel/time/tick-broadcast-hrtimer.c
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