static int clamped;
static struct wf_control *clamp_control;
-static struct dev_pm_qos_request qos_req;
+static struct freq_qos_request qos_req;
static unsigned int min_freq, max_freq;
static int clamp_set(struct wf_control *ct, s32 value)
}
clamped = value;
- return dev_pm_qos_update_request(&qos_req, freq);
+ return freq_qos_update_request(&qos_req, freq);
}
static int clamp_get(struct wf_control *ct, s32 *value)
min_freq = policy->cpuinfo.min_freq;
max_freq = policy->cpuinfo.max_freq;
+
+ ret = freq_qos_add_request(&policy->constraints, &qos_req, FREQ_QOS_MAX,
+ max_freq);
+
cpufreq_cpu_put(policy);
+ if (ret < 0) {
+ pr_err("%s: Failed to add freq constraint (%d)\n", __func__,
+ ret);
+ return ret;
+ }
+
dev = get_cpu_device(0);
if (unlikely(!dev)) {
pr_warn("%s: No cpu device for cpu0\n", __func__);
- return -ENODEV;
+ ret = -ENODEV;
+ goto fail;
}
clamp = kmalloc(sizeof(struct wf_control), GFP_KERNEL);
- if (clamp == NULL)
- return -ENOMEM;
-
- ret = dev_pm_qos_add_request(dev, &qos_req, DEV_PM_QOS_MAX_FREQUENCY,
- max_freq);
- if (ret < 0) {
- pr_err("%s: Failed to add freq constraint (%d)\n", __func__,
- ret);
- goto free;
+ if (clamp == NULL) {
+ ret = -ENOMEM;
+ goto fail;
}
clamp->ops = &clamp_ops;
clamp->name = "cpufreq-clamp";
ret = wf_register_control(clamp);
if (ret)
- goto fail;
+ goto free;
+
clamp_control = clamp;
return 0;
- fail:
- dev_pm_qos_remove_request(&qos_req);
free:
kfree(clamp);
+ fail:
+ freq_qos_remove_request(&qos_req);
return ret;
}
{
if (clamp_control) {
wf_unregister_control(clamp_control);
- dev_pm_qos_remove_request(&qos_req);
+ freq_qos_remove_request(&qos_req);
}
}