Merge tag 'arcpgu-updates-2019.07.18' of github.com:abrodkin/linux into drm-next
[linux-2.6-microblaze.git] / drivers / macintosh / windfarm_cpufreq_clamp.c
index 705c620..7b726f0 100644 (file)
@@ -18,7 +18,7 @@
 
 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)
@@ -35,7 +35,7 @@ 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)
@@ -77,38 +77,44 @@ static int __init wf_cpufreq_clamp_init(void)
 
        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;
 }
 
@@ -116,7 +122,7 @@ static void __exit wf_cpufreq_clamp_exit(void)
 {
        if (clamp_control) {
                wf_unregister_control(clamp_control);
-               dev_pm_qos_remove_request(&qos_req);
+               freq_qos_remove_request(&qos_req);
        }
 }