1 files changed, 3 insertions, 55 deletions

diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c
index ce9149302cc..488e07472d9 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>
@@ -22,7 +21,6 @@
 
 static atomic_t master = ATOMIC_INIT(0);
 static DEFINE_SPINLOCK(master_lock);
-static DEFINE_PER_CPU(struct cpuidle_device, ux500_cpuidle_device);
 
 static inline int ux500_enter_idle(struct cpuidle_device *dev,
 				   struct cpuidle_driver *drv, int index)
@@ -30,8 +28,6 @@ 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
@@ -91,22 +87,20 @@ out:
 		spin_unlock(&master_lock);
 	}
 
-	clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &this_cpu);
-
 	return index;
 }
 
 static struct cpuidle_driver ux500_idle_driver = {
 	.name = "ux500_idle",
 	.owner = THIS_MODULE,
-	.en_core_tk_irqen = 1,
 	.states = {
 		ARM_CPUIDLE_WFI_STATE,
 		{
 			.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",
 		},
@@ -115,59 +109,13 @@ 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;
-	struct cpuidle_device *device;
-
         /* Configure wake up reasons */
 	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");
-		return ret;
-	}
-
-	for_each_online_cpu(cpu) {
-		device = &per_cpu(ux500_cpuidle_device, cpu);
-		device->cpu = cpu;
-		ret = cpuidle_register_device(device);
-		if (ret) {
-			printk(KERN_ERR "Failed to register cpuidle "
-			       "device for cpu%d\n", cpu);
-			goto out_unregister;
-		}
-	}
-out:
-	return ret;
-
-out_unregister:
-	for_each_online_cpu(cpu) {
-		device = &per_cpu(ux500_cpuidle_device, cpu);
-		cpuidle_unregister_device(device);
-	}
-
-	cpuidle_unregister_driver(&ux500_idle_driver);
-	goto out;
+	return cpuidle_register(&ux500_idle_driver, NULL);
 }
 
 device_initcall(ux500_idle_init);