/**
* sr_classp5_recal_work() - work which actually does the recalibration
* @work: pointer to the work
*
* on a periodic basis, we come and reset our calibration setup
* so that a recalibration of the OPPs take place. This takes
* care of aging factor in the system.
*/
static void sr_classp5_recal_work(struct work_struct *work)
{
unsigned long delay;
/* try lock only to avoid deadlock with suspend handler */
if (!mutex_trylock(&omap_dvfs_lock)) {
pr_err("%s: Can't acquire lock, delay recalibration\n",
__func__);
schedule_delayed_work(&recal_work, msecs_to_jiffies
(SRP5_SAMPLING_DELAY_MS *
SRP5_STABLE_SAMPLES));
return;
}
/*
* Deny Idle during recalibration due to the following reasons:
* - HW loop is enabled when we enter this function
* - HW loop may be triggered at any moment of time from idle
* - As result we may have race between SmartReflex disabling/enabling
* from CPU Idle and from recalibration function
*/
pm_qos_update_request(&recal_qos, 0);
delay = msecs_to_jiffies(CONFIG_OMAP_SR_CLASS1_P5_RECALIBRATION_DELAY);
if (voltdm_for_each(sr_classp5_voltdm_recal, NULL))
pr_err("%s: Recalibration failed\n", __func__);
/* Enable CPU Idle */
pm_qos_update_request(&recal_qos, PM_QOS_DEFAULT_VALUE);
next_recal_time = jiffies + delay;
schedule_delayed_work(&recal_work, delay);
mutex_unlock(&omap_dvfs_lock);
}
/**
* sr_class1p5_recal_work() - work which actually does the calibration
* @work: pointer to the work
*
* on a periodic basis, we come and reset our calibration setup
* so that a recalibration of the OPPs take place. This takes
* care of aging factor in the system.
*/
static void sr_class1p5_recal_work(struct work_struct *work)
{
mutex_lock(&omap_dvfs_lock);
if (voltdm_for_each(sr_class1p5_voltdm_recal, NULL))
pr_err("%s: Recalibration failed\n", __func__);
mutex_unlock(&omap_dvfs_lock);
/* We come back again after time the usual delay */
schedule_delayed_work(&recal_work,
msecs_to_jiffies
(CONFIG_OMAP_SR_CLASS1P5_RECALIBRATION_DELAY));
}
static int pm_dbg_show_counters(struct seq_file *s, void *unused)
{
pwrdm_for_each(pwrdm_dbg_show_counter, s);
voltdm_for_each(voltdm_dbg_show_counters, s);
return 0;
}
