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| author | Patrick Cain <pcain@codeaurora.org> | 2014-06-13 15:18:58 -0700 |
|---|---|---|
| committer | Rohit Vaswani <rvaswani@codeaurora.org> | 2016-03-01 12:22:11 -0800 |
| commit | 0a142de28237fef1bcd2b8674f46a974c762bbf5 (patch) | |
| tree | 487b76458a035140273218ba50aa368f83e5c245 | |
| parent | 1892a28560dab93d714ca6b8e4f1b4b3836600b6 (diff) | |
arm64: Call idle notifiers in CPU idle
When CPU idle is enabled, the idle call should also notifiy the
idle_notifier_call_chain of the change in status. Otherwise some
processes will think the CPU is always active.
CRs-Fixed: 677525
Change-Id: Iabd6f617d6835688cf8b482ac1321e5c1deafffd
Signed-off-by: Patrick Cain <pcain@codeaurora.org>
| -rw-r--r-- | arch/arm64/kernel/process.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 62068ded1e90..708c9b00f067 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -82,6 +82,16 @@ void arch_cpu_idle(void) trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); } +void arch_cpu_idle_enter(void) +{ + idle_notifier_call_chain(IDLE_START); +} + +void arch_cpu_idle_exit(void) +{ + idle_notifier_call_chain(IDLE_END); +} + #ifdef CONFIG_HOTPLUG_CPU void arch_cpu_idle_dead(void) { |