opp: Add dev_pm_opp_of_add_table_noclk()

A few drivers have device's clk but they don't want the OPP core to
handle that. Add a new helper for them, dev_pm_opp_of_add_table_noclk().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index d4b51b2e384f31ed29c0c87f8c6a182ec21f48eb..a905497c75f8530d342ed53b90fc4b5521396bcf 100644 (file)
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1030,6 +1030,24 @@ int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
 }
 EXPORT_SYMBOL_GPL(dev_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.
+ * @index:     Index number.
+ *
+ * Register the initial OPP table with the OPP library for given device only
+ * using the "operating-points-v2" property. Do not try to get the clk for the
+ * device.
+ *
+ * Return: Refer to dev_pm_opp_of_add_table() for return values.
+ */
+int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
+{
+       return _of_add_table_indexed(dev, index, false);
+}
+EXPORT_SYMBOL_GPL(dev_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 979b208bc4a87241419ba1abbf08a548ba1aa3a7..158158620dde26d6a81db186d100b533e58966a7 100644 (file)
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -395,6 +395,7 @@ 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 dev_pm_opp_of_add_table_noclk(struct device *dev, int index);
 void dev_pm_opp_of_remove_table(struct device *dev);
 int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
 void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
@@ -419,6 +420,11 @@ static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
        return -ENOTSUPP;
 }
 
+static inline int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
+{
+       return -ENOTSUPP;
+}
+
 static inline void dev_pm_opp_of_remove_table(struct device *dev)
 {
 }