Commit 9c4f220f authored by Yangtao Li's avatar Yangtao Li Committed by Viresh Kumar
Browse files

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: default avatarYangtao Li <tiny.windzz@gmail.com>
Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent 32aee78b

drivers/opp/core.c

+29 −0
Original line number Diff line number Diff line
@@ -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.

include/linux/pm_opp.h

+8 −0
Original line number Diff line number Diff line
@@ -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))

{