PM / Domains: Drop unused in-parameter to some genpd functions

Both genpd_alloc_dev_data() and genpd_add_device(), that are internal
genpd functions, allow a struct gpd_timing_data *td to be passed as an
in-parameter. However, as NULL is always passed, let's just drop the
in-parameter altogether.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/base/power/domain.c

@@ -1396,8 +1396,7 @@ EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweron);
 
 #endif /* CONFIG_PM_SLEEP */
 
-static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev,
-					struct gpd_timing_data *td)
+static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev)
 {
 	struct generic_pm_domain_data *gpd_data;
 	int ret;
@@ -1412,9 +1411,6 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev,
 		goto err_put;
 	}
 
-	if (td)
-		gpd_data->td = *td;
-
 	gpd_data->base.dev = dev;
 	gpd_data->td.constraint_changed = true;
 	gpd_data->td.effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS;
@@ -1504,8 +1500,7 @@ static void genpd_clear_cpumask(struct generic_pm_domain *genpd,
 	genpd_update_cpumask(genpd, dev, false);
 }
 
-static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
-			    struct gpd_timing_data *td)
+static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev)
 {
 	struct generic_pm_domain_data *gpd_data;
 	int ret;
@@ -1515,7 +1510,7 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(dev))
 		return -EINVAL;
 
-	gpd_data = genpd_alloc_dev_data(dev, td);
+	gpd_data = genpd_alloc_dev_data(dev);
 	if (IS_ERR(gpd_data))
 		return PTR_ERR(gpd_data);
 
@@ -1553,7 +1548,7 @@ int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev)
 	int ret;
 
 	mutex_lock(&gpd_list_lock);
-	ret = genpd_add_device(genpd, dev, NULL);
+	ret = genpd_add_device(genpd, dev);
 	mutex_unlock(&gpd_list_lock);
 
 	return ret;
@@ -2259,7 +2254,7 @@ int of_genpd_add_device(struct of_phandle_args *genpdspec, struct device *dev)
 		goto out;
 	}
 
-	ret = genpd_add_device(genpd, dev, NULL);
+	ret = genpd_add_device(genpd, dev);
 
 out:
 	mutex_unlock(&gpd_list_lock);
@@ -2429,7 +2424,7 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device *base_dev,
 
 	dev_dbg(dev, "adding to PM domain %s\n", pd->name);
 
-	ret = genpd_add_device(pd, dev, NULL);
+	ret = genpd_add_device(pd, dev);
 	mutex_unlock(&gpd_list_lock);
 
 	if (ret < 0) {