opp: Add more resource-managed variants of dev_pm_opp_of_add_table()

Add resource-managed variants of dev_pm_opp_of_add_table_indexed() and
dev_pm_opp_of_add_table_noclk(), allowing drivers to remove boilerplate
code.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[ Viresh: Added underscore to devm_of_add_table_indexed() ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

2 files changed, 51 insertions, 7 deletions

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 5437085fb380..fe218af735b0 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1081,6 +1081,17 @@ static void devm_pm_opp_of_table_release(void *data)
 	dev_pm_opp_of_remove_table(data);
 }
 
+static int _devm_of_add_table_indexed(struct device *dev, int index, bool getclk)
+{
+	int ret;
+
+	ret = _of_add_table_indexed(dev, index, getclk);
+	if (ret)
+		return ret;
+
+	return devm_add_action_or_reset(dev, devm_pm_opp_of_table_release, dev);
+}
+
 /**
  * devm_pm_opp_of_add_table() - Initialize opp table from device tree
  * @dev:	device pointer used to lookup OPP table.
@@ -1102,13 +1113,7 @@ static void devm_pm_opp_of_table_release(void *data)
  */
 int devm_pm_opp_of_add_table(struct device *dev)
 {
-	int ret;
-
-	ret = dev_pm_opp_of_add_table(dev);
-	if (ret)
-		return ret;
-
-	return devm_add_action_or_reset(dev, devm_pm_opp_of_table_release, dev);
+	return _devm_of_add_table_indexed(dev, 0, true);
 }
 EXPORT_SYMBOL_GPL(devm_pm_opp_of_add_table);
 
@@ -1152,6 +1157,19 @@ int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
 EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table_indexed);
 
 /**
+ * devm_pm_opp_of_add_table_indexed() - Initialize indexed opp table from device tree
+ * @dev:	device pointer used to lookup OPP table.
+ * @index:	Index number.
+ *
+ * This is a resource-managed variant of dev_pm_opp_of_add_table_indexed().
+ */
+int devm_pm_opp_of_add_table_indexed(struct device *dev, int index)
+{
+	return _devm_of_add_table_indexed(dev, index, true);
+}
+EXPORT_SYMBOL_GPL(devm_pm_opp_of_add_table_indexed);
+
+/**
  * dev_pm_opp_of_add_table_noclk() - Initialize indexed opp table from device
  *		tree without getting clk for device.
  * @dev:	device pointer used to lookup OPP table.
@@ -1169,6 +1187,20 @@ int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table_noclk);
 
+/**
+ * devm_pm_opp_of_add_table_noclk() - Initialize indexed opp table from device
+ *		tree without getting clk for device.
+ * @dev:	device pointer used to lookup OPP table.
+ * @index:	Index number.
+ *
+ * This is a resource-managed variant of dev_pm_opp_of_add_table_noclk().
+ */
+int devm_pm_opp_of_add_table_noclk(struct device *dev, int index)
+{
+	return _devm_of_add_table_indexed(dev, index, false);
+}
+EXPORT_SYMBOL_GPL(devm_pm_opp_of_add_table_noclk);
+
 /* CPU device specific helpers */
 
 /**
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 7f1f066fc377..879c138c7b8e 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -439,7 +439,9 @@ static inline int dev_pm_opp_sync_regulators(struct device *dev)
 #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
 int dev_pm_opp_of_add_table(struct device *dev);
 int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
+int devm_pm_opp_of_add_table_indexed(struct device *dev, int index);
 int dev_pm_opp_of_add_table_noclk(struct device *dev, int index);
+int devm_pm_opp_of_add_table_noclk(struct device *dev, int index);
 void dev_pm_opp_of_remove_table(struct device *dev);
 int devm_pm_opp_of_add_table(struct device *dev);
 int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
@@ -465,11 +467,21 @@ static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
 	return -EOPNOTSUPP;
 }
 
+static inline int devm_pm_opp_of_add_table_indexed(struct device *dev, int index)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
 {
 	return -EOPNOTSUPP;
 }
 
+static inline int devm_pm_opp_of_add_table_noclk(struct device *dev, int index)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline void dev_pm_opp_of_remove_table(struct device *dev)
 {
 }