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author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-03-21 12:21:32 (GMT) |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-03-31 23:10:27 (GMT) |
commit | cb7094e848f7bcaa0a4cda3db4b232f08dbf5b78 (patch) | |
tree | eebae922096831afcb850f5d9f228044aac84095 /arch/arm/mach-omap2 | |
parent | b60e6a0eb0273132cbb60a9806abf5f47a4aee1c (diff) | |
download | linux-fsl-qoriq-cb7094e848f7bcaa0a4cda3db4b232f08dbf5b78.tar.xz |
cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag
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>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/cpuidle44xx.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index d639aef..fe0e025 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -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", |