Merge branches 'acpica', 'bgrt', 'bz-11533', 'cpuidle', 'ec', 'hotplug', 'misc',...
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / cpuidle44xx.c
index cfdbb86bc84e5aae04357abce9b46d690ab0ccd7..f386cbe9c889032668058731e56fb116af245436 100644 (file)
@@ -62,16 +62,9 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
 {
        struct omap4_idle_statedata *cx =
                        cpuidle_get_statedata(&dev->states_usage[index]);
-       struct timespec ts_preidle, ts_postidle, ts_idle;
        u32 cpu1_state;
-       int idle_time;
-       int new_state_idx;
        int cpu_id = smp_processor_id();
 
-       /* Used to keep track of the total time in idle */
-       getnstimeofday(&ts_preidle);
-
-       local_irq_disable();
        local_fiq_disable();
 
        /*
@@ -84,8 +77,8 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
         */
        cpu1_state = pwrdm_read_pwrst(cpu1_pd);
        if (cpu1_state != PWRDM_POWER_OFF) {
-               new_state_idx = drv->safe_state_index;
-               cx = cpuidle_get_statedata(&dev->states_usage[new_state_idx]);
+               index = drv->safe_state_index;
+               cx = cpuidle_get_statedata(&dev->states_usage[index]);
        }
 
        if (index > 0)
@@ -129,26 +122,17 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
        if (index > 0)
                clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id);
 
-       getnstimeofday(&ts_postidle);
-       ts_idle = timespec_sub(ts_postidle, ts_preidle);
-
-       local_irq_enable();
        local_fiq_enable();
 
-       idle_time = ts_idle.tv_nsec / NSEC_PER_USEC + ts_idle.tv_sec * \
-                                                               USEC_PER_SEC;
-
-       /* Update cpuidle counters */
-       dev->last_residency = idle_time;
-
        return index;
 }
 
 DEFINE_PER_CPU(struct cpuidle_device, omap4_idle_dev);
 
 struct cpuidle_driver omap4_idle_driver = {
-       .name =         "omap4_idle",
-       .owner =        THIS_MODULE,
+       .name                           = "omap4_idle",
+       .owner                          = THIS_MODULE,
+       .en_core_tk_irqen               = 1,
 };
 
 static inline void _fill_cstate(struct cpuidle_driver *drv,