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authorYangtao Li <tiny.windzz@gmail.com>2021-03-14 19:33:56 +0300
committerViresh Kumar <viresh.kumar@linaro.org>2021-03-15 09:26:53 +0530
commit9c4f220f3dc260e325c92e8588ade2affcb6528c (patch)
treed883a49ddfd0c7d418fa65ecc70955b0bfd901eb
parent32aee78bc5184c7a51a081939721e97cfad4a44e (diff)
opp: Add devres wrapper for dev_pm_opp_set_supported_hw
Add devres wrapper for dev_pm_opp_set_supported_hw() to simplify drivers code. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
-rw-r--r--drivers/opp/core.c29
-rw-r--r--include/linux/pm_opp.h8
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index d77ec2c55783..956ea22a21d6 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1857,6 +1857,35 @@ void dev_pm_opp_put_supported_hw(struct opp_table *opp_table)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_put_supported_hw);
+static void devm_pm_opp_supported_hw_release(void *data)
+{
+ dev_pm_opp_put_supported_hw(data);
+}
+
+/**
+ * devm_pm_opp_set_supported_hw() - Set supported platforms
+ * @dev: Device for which supported-hw has to be set.
+ * @versions: Array of hierarchy of versions to match.
+ * @count: Number of elements in the array.
+ *
+ * This is a resource-managed variant of dev_pm_opp_set_supported_hw().
+ *
+ * Return: 0 on success and errorno otherwise.
+ */
+int devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions,
+ unsigned int count)
+{
+ struct opp_table *opp_table;
+
+ opp_table = dev_pm_opp_set_supported_hw(dev, versions, count);
+ if (IS_ERR(opp_table))
+ return PTR_ERR(opp_table);
+
+ return devm_add_action_or_reset(dev, devm_pm_opp_supported_hw_release,
+ opp_table);
+}
+EXPORT_SYMBOL_GPL(devm_pm_opp_set_supported_hw);
+
/**
* dev_pm_opp_set_prop_name() - Set prop-extn name
* @dev: Device for which the prop-name has to be set.
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 3e667af57211..e455b187e405 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -144,6 +144,7 @@ int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb
struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
+int devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name);
void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
@@ -321,6 +322,13 @@ static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}
+static inline int devm_pm_opp_set_supported_hw(struct device *dev,
+ const u32 *versions,
+ unsigned int count)
+{
+ return -EOPNOTSUPP;
+}
+
static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev,
int (*set_opp)(struct dev_pm_set_opp_data *data))
{