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cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag

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Use the CPUIDLE_FLAG_TIMER_STOP and let the cpuidle framework
to handle the CLOCK_EVT_NOTIFY_BROADCAST_ENTER/EXIT when entering
this state.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Daniel Lezcano 2013-03-21 12:21:32 +00:00 committed by Rafael J. Wysocki
parent b60e6a0eb0
commit cb7094e848
1 changed files with 4 additions and 7 deletions
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11
arch/arm/mach-omap2/cpuidle44xx.c
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@ -82,7 +82,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
int index)
{
struct omap4_idle_statedata *cx = &omap4_idle_data[index];
int cpu_id = smp_processor_id();
local_fiq_disable();
@ -109,8 +108,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
}
}
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id);
/*
* Call idle CPU PM enter notifier chain so that
* VFP and per CPU interrupt context is saved.
@ -152,8 +149,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
if (omap4_mpuss_read_prev_context_state())
cpu_cluster_pm_exit();
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id);
fail:
cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
cpu_done[dev->cpu] = false;
@ -193,7 +188,8 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
.exit_latency = 328 + 440,
.target_residency = 960,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
CPUIDLE_FLAG_TIMER_STOP,
.enter = omap4_enter_idle_coupled,
.name = "C2",
.desc = "MPUSS CSWR",
@ -202,7 +198,8 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
.exit_latency = 460 + 518,
.target_residency = 1100,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
CPUIDLE_FLAG_TIMER_STOP,
.enter = omap4_enter_idle_coupled,
.name = "C3",
.desc = "MPUSS OSWR",