PM / OPP: Relocate dev_pm_opp_set_sharing_cpus()
authorViresh Kumar <viresh.kumar@linaro.org>
Thu, 21 Apr 2016 08:58:56 +0000 (14:28 +0530)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 25 Apr 2016 14:10:16 +0000 (16:10 +0200)
Move dev_pm_opp_set_sharing_cpus() towards the end of the file. This
is required for better readability after the next patch is applied,
which adds dev_pm_opp_get_sharing_cpus().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/base/power/opp/cpu.c

index b151401..491e868 100644 (file)
@@ -119,62 +119,6 @@ void dev_pm_opp_free_cpufreq_table(struct device *dev,
 EXPORT_SYMBOL_GPL(dev_pm_opp_free_cpufreq_table);
 #endif /* CONFIG_CPU_FREQ */
 
-/**
- * dev_pm_opp_set_sharing_cpus() - Mark OPP table as shared by few CPUs
- * @cpu_dev:   CPU device for which we do this operation
- * @cpumask:   cpumask of the CPUs which share the OPP table with @cpu_dev
- *
- * This marks OPP table of the @cpu_dev as shared by the CPUs present in
- * @cpumask.
- *
- * Returns -ENODEV if OPP table isn't already present.
- *
- * Locking: The internal opp_table and opp structures are RCU protected.
- * Hence this function internally uses RCU updater strategy with mutex locks
- * to keep the integrity of the internal data structures. Callers should ensure
- * that this function is *NOT* called under RCU protection or in contexts where
- * mutex cannot be locked.
- */
-int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
-{
-       struct opp_device *opp_dev;
-       struct opp_table *opp_table;
-       struct device *dev;
-       int cpu, ret = 0;
-
-       mutex_lock(&opp_table_lock);
-
-       opp_table = _find_opp_table(cpu_dev);
-       if (IS_ERR(opp_table)) {
-               ret = PTR_ERR(opp_table);
-               goto unlock;
-       }
-
-       for_each_cpu(cpu, cpumask) {
-               if (cpu == cpu_dev->id)
-                       continue;
-
-               dev = get_cpu_device(cpu);
-               if (!dev) {
-                       dev_err(cpu_dev, "%s: failed to get cpu%d device\n",
-                               __func__, cpu);
-                       continue;
-               }
-
-               opp_dev = _add_opp_dev(dev, opp_table);
-               if (!opp_dev) {
-                       dev_err(dev, "%s: failed to add opp-dev for cpu%d device\n",
-                               __func__, cpu);
-                       continue;
-               }
-       }
-unlock:
-       mutex_unlock(&opp_table_lock);
-
-       return ret;
-}
-EXPORT_SYMBOL_GPL(dev_pm_opp_set_sharing_cpus);
-
 #ifdef CONFIG_OF
 /**
  * dev_pm_opp_of_cpumask_remove_table() - Removes OPP table for @cpumask
@@ -326,3 +270,59 @@ put_cpu_node:
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_sharing_cpus);
 #endif
+
+/**
+ * dev_pm_opp_set_sharing_cpus() - Mark OPP table as shared by few CPUs
+ * @cpu_dev:   CPU device for which we do this operation
+ * @cpumask:   cpumask of the CPUs which share the OPP table with @cpu_dev
+ *
+ * This marks OPP table of the @cpu_dev as shared by the CPUs present in
+ * @cpumask.
+ *
+ * Returns -ENODEV if OPP table isn't already present.
+ *
+ * Locking: The internal opp_table and opp structures are RCU protected.
+ * Hence this function internally uses RCU updater strategy with mutex locks
+ * to keep the integrity of the internal data structures. Callers should ensure
+ * that this function is *NOT* called under RCU protection or in contexts where
+ * mutex cannot be locked.
+ */
+int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
+{
+       struct opp_device *opp_dev;
+       struct opp_table *opp_table;
+       struct device *dev;
+       int cpu, ret = 0;
+
+       mutex_lock(&opp_table_lock);
+
+       opp_table = _find_opp_table(cpu_dev);
+       if (IS_ERR(opp_table)) {
+               ret = PTR_ERR(opp_table);
+               goto unlock;
+       }
+
+       for_each_cpu(cpu, cpumask) {
+               if (cpu == cpu_dev->id)
+                       continue;
+
+               dev = get_cpu_device(cpu);
+               if (!dev) {
+                       dev_err(cpu_dev, "%s: failed to get cpu%d device\n",
+                               __func__, cpu);
+                       continue;
+               }
+
+               opp_dev = _add_opp_dev(dev, opp_table);
+               if (!opp_dev) {
+                       dev_err(dev, "%s: failed to add opp-dev for cpu%d device\n",
+                               __func__, cpu);
+                       continue;
+               }
+       }
+unlock:
+       mutex_unlock(&opp_table_lock);
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_set_sharing_cpus);