static int devfreq_vbif_ev_handler(struct devfreq *devfreq,
unsigned int event, void *data)
{
int ret;
struct devfreq_dev_status stat;
memset(&stat, 0, sizeof(stat));
switch (event) {
case DEVFREQ_GOV_START:
mutex_lock(&df_lock);
df = devfreq;
if (df->profile->get_dev_status &&
!df->profile->get_dev_status(df->dev.parent, &stat) &&
stat.private_data)
dev_ab = stat.private_data;
else
pr_warn("Device doesn't take AB votes!\n");
mutex_unlock(&df_lock);
ret = devfreq_vbif_update_bw(0, 0);
if (ret) {
pr_err("Unable to update BW! Gov start failed!\n");
return ret;
}
/*
* Normally at this point governors start the polling with
* devfreq_monitor_start(df);
* This governor doesn't poll, but expect external calls
* of its devfreq_vbif_update_bw() function
*/
pr_debug("Enabled MSM VBIF governor\n");
break;
case DEVFREQ_GOV_STOP:
mutex_lock(&df_lock);
df = NULL;
mutex_unlock(&df_lock);
pr_debug("Disabled MSM VBIF governor\n");
break;
}
return 0;
}
static int devfreq_vbif_ev_handler(struct devfreq *devfreq,
unsigned int event, void *data)
{
int ret;
switch (event) {
case DEVFREQ_GOV_START:
mutex_lock(&df_lock);
df = devfreq;
mutex_unlock(&df_lock);
ret = devfreq_vbif_update_bw();
if (ret) {
pr_err("Unable to update BW! Gov start failed!\n");
return ret;
}
/*
* Normally at this point governors start the polling with
* devfreq_monitor_start(df);
* This governor doesn't poll, but expect external calls
* of its devfreq_vbif_update_bw() function
*/
pr_debug("Enabled MSM VBIF governor\n");
break;
case DEVFREQ_GOV_STOP:
mutex_lock(&df_lock);
df = NULL;
mutex_unlock(&df_lock);
pr_debug("Disabled MSM VBIF governor\n");
break;
}
return 0;
}