From cb7094e848f7bcaa0a4cda3db4b232f08dbf5b78 Mon Sep 17 00:00:00 2001
From: Daniel Lezcano <daniel.lezcano@linaro.org>
Date: Thu, 21 Mar 2013 12:21:32 +0000
Subject: [PATCH] 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>
---
arch/arm/mach-omap2/cpuidle44xx.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index d639aef0deda..fe0e02545b23 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",
--
2.34.1