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authorDaniel Lezcano <daniel.lezcano@linaro.org>2013-03-21 16:21:33 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-04-01 03:10:27 +0400
commit8de46eff656f028b120971ba0edabaab09d854f2 (patch)
tree7326da8eb6e0b8b99dcb996bdb539b2a565212c0 /arch/arm/mach-imx/cpuidle-imx6q.c
parentcb7094e848f7bcaa0a4cda3db4b232f08dbf5b78 (diff)
downloadlinux-8de46eff656f028b120971ba0edabaab09d854f2.tar.xz
cpuidle / imx6 : 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-imx/cpuidle-imx6q.c')
-rw-r--r--arch/arm/mach-imx/cpuidle-imx6q.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c
index d533e2695f0e..5ae22f701813 100644
--- a/arch/arm/mach-imx/cpuidle-imx6q.c
+++ b/arch/arm/mach-imx/cpuidle-imx6q.c
@@ -21,10 +21,6 @@ static DEFINE_SPINLOCK(master_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
- int cpu = dev->cpu;
-
- clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
-
if (atomic_inc_return(&master) == num_online_cpus()) {
/*
* With this lock, we prevent other cpu to exit and enter
@@ -43,7 +39,6 @@ idle:
cpu_do_idle();
done:
atomic_dec(&master);
- clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
return index;
}
@@ -70,7 +65,8 @@ static struct cpuidle_driver imx6q_cpuidle_driver = {
{
.exit_latency = 50,
.target_residency = 75,
- .flags = CPUIDLE_FLAG_TIME_VALID,
+ .flags = CPUIDLE_FLAG_TIME_VALID |
+ CPUIDLE_FLAG_TIMER_STOP,
.enter = imx6q_enter_wait,
.name = "WAIT",
.desc = "Clock off",