opp: Don't return opp_dev from _find_opp_dev()

The caller of _find_opp_dev() only needs to know if the opp_dev is there
in the list or not.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 6f4a73a..9915e84 100644 (file)
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -32,31 +32,29 @@ DEFINE_MUTEX(opp_table_lock);
 /* Flag indicating that opp_tables list is being updated at the moment */
 static bool opp_tables_busy;
 
-static struct opp_device *_find_opp_dev(const struct device *dev,
-                                       struct opp_table *opp_table)
+static bool _find_opp_dev(const struct device *dev, struct opp_table *opp_table)
 {
        struct opp_device *opp_dev;
+       bool found = false;
 
+       mutex_lock(&opp_table->lock);
        list_for_each_entry(opp_dev, &opp_table->dev_list, node)
-               if (opp_dev->dev == dev)
-                       return opp_dev;
+               if (opp_dev->dev == dev) {
+                       found = true;
+                       break;
+               }
 
-       return NULL;
+       mutex_unlock(&opp_table->lock);
+       return found;
 }
 
 static struct opp_table *_find_opp_table_unlocked(struct device *dev)
 {
        struct opp_table *opp_table;
-       bool found;
 
        list_for_each_entry(opp_table, &opp_tables, node) {
-               mutex_lock(&opp_table->lock);
-               found = !!_find_opp_dev(dev, opp_table);
-               mutex_unlock(&opp_table->lock);
-
-               if (found) {
+               if (_find_opp_dev(dev, opp_table)) {
                        _get_opp_table_kref(opp_table);
-
                        return opp_table;
                }
        }