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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-08 12:32:07 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-08 12:32:07 +0200 |
commit | f69e44b2059f2238ac558b4a115ebcdefe20b9be (patch) | |
tree | be2a95654d7c9cb38bbcbb7a83b862db359c79e1 /arch/arm/mach-ux500 | |
parent | 0f0c8aa0d0562954cdfa135efb827067de7ba855 (diff) | |
parent | b6269efb146eb8770d753e3dc1c561f1cffb631a (diff) | |
download | op-kernel-dev-f69e44b2059f2238ac558b4a115ebcdefe20b9be.zip op-kernel-dev-f69e44b2059f2238ac558b4a115ebcdefe20b9be.tar.gz |
Merge branch 'pm-cpuidle-next' into linux-next
* pm-cpuidle-next:
cpuidle: imx6: remove timer broadcast initialization
cpuidle: OMAP4: remove timer broadcast initialization
cpuidle: ux500: remove timer broadcast initialization
cpuidle: initialize the broadcast timer framework
timer: move enum definition out of ifdef section
cpuidle: kirkwood: fix coccicheck warnings
cpuidle / kirkwood: remove redundant Kconfig option
cpuidle / ux500 : use CPUIDLE_FLAG_TIMER_STOP flag
cpuidle / imx6 : use CPUIDLE_FLAG_TIMER_STOP flag
cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag
cpuidle : handle clockevent notify from the cpuidle framework
Diffstat (limited to 'arch/arm/mach-ux500')
-rw-r--r-- | arch/arm/mach-ux500/cpuidle.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c index ce91493..1b16d9e 100644 --- a/arch/arm/mach-ux500/cpuidle.c +++ b/arch/arm/mach-ux500/cpuidle.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/cpuidle.h> -#include <linux/clockchips.h> #include <linux/spinlock.h> #include <linux/atomic.h> #include <linux/smp.h> @@ -30,8 +29,6 @@ static inline int ux500_enter_idle(struct cpuidle_device *dev, int this_cpu = smp_processor_id(); bool recouple = false; - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &this_cpu); - if (atomic_inc_return(&master) == num_online_cpus()) { /* With this lock, we prevent the other cpu to exit and enter @@ -91,8 +88,6 @@ out: spin_unlock(&master_lock); } - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &this_cpu); - return index; } @@ -106,7 +101,8 @@ static struct cpuidle_driver ux500_idle_driver = { .enter = ux500_enter_idle, .exit_latency = 70, .target_residency = 260, - .flags = CPUIDLE_FLAG_TIME_VALID, + .flags = CPUIDLE_FLAG_TIME_VALID | + CPUIDLE_FLAG_TIMER_STOP, .name = "ApIdle", .desc = "ARM Retention", }, @@ -115,16 +111,6 @@ static struct cpuidle_driver ux500_idle_driver = { .state_count = 2, }; -/* - * For each cpu, setup the broadcast timer because we will - * need to migrate the timers for the states >= ApIdle. - */ -static void ux500_setup_broadcast_timer(void *arg) -{ - int cpu = smp_processor_id(); - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); -} - int __init ux500_idle_init(void) { int ret, cpu; @@ -134,13 +120,6 @@ int __init ux500_idle_init(void) prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) | PRCMU_WAKEUP(ABB)); - /* - * Configure the timer broadcast for each cpu, that must - * be done from the cpu context, so we use a smp cross - * call with 'on_each_cpu'. - */ - on_each_cpu(ux500_setup_broadcast_timer, NULL, 1); - ret = cpuidle_register_driver(&ux500_idle_driver); if (ret) { printk(KERN_ERR "failed to register ux500 idle driver\n"); |