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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-03-21 12:21:33 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-01 01:10:27 +0200 |
| commit | 8de46eff656f028b120971ba0edabaab09d854f2 (patch) | |
| tree | 7326da8eb6e0b8b99dcb996bdb539b2a565212c0 /arch/arm/mach-imx/cpuidle-imx6q.c | |
| parent | cb7094e848f7bcaa0a4cda3db4b232f08dbf5b78 (diff) | |
| download | lwn-8de46eff656f028b120971ba0edabaab09d854f2.tar.gz lwn-8de46eff656f028b120971ba0edabaab09d854f2.zip | |
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.c | 8 |
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", |