Commit 32aee78b authored by Yangtao Li's avatar Yangtao Li Committed by Viresh Kumar
Browse files

opp: Add devres wrapper for dev_pm_opp_set_regulators 



Add devres wrapper for dev_pm_opp_set_regulators() 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 a74f681c

drivers/opp/core.c

+30 −0
Original line number Diff line number Diff line
@@ -2047,6 +2047,36 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) 
}

EXPORT_SYMBOL_GPL(dev_pm_opp_put_regulators);



static void devm_pm_opp_regulators_release(void *data)

{

	dev_pm_opp_put_regulators(data);

}



/**

 * devm_pm_opp_set_regulators() - Set regulator names for the device

 * @dev: Device for which regulator name is being set.

 * @names: Array of pointers to the names of the regulator.

 * @count: Number of regulators.

 *

 * This is a resource-managed variant of dev_pm_opp_set_regulators().

 *

 * Return: 0 on success and errorno otherwise.

 */

int devm_pm_opp_set_regulators(struct device *dev,

			       const char * const names[],

			       unsigned int count)

{

	struct opp_table *opp_table;



	opp_table = dev_pm_opp_set_regulators(dev, names, count);

	if (IS_ERR(opp_table))

		return PTR_ERR(opp_table);



	return devm_add_action_or_reset(dev, devm_pm_opp_regulators_release,

					opp_table);

}

EXPORT_SYMBOL_GPL(devm_pm_opp_set_regulators);



/**

 * dev_pm_opp_set_clkname() - Set clk name for the device

 * @dev: Device for which clk name is being set.

include/linux/pm_opp.h

+8 −0
Original line number Diff line number Diff line
@@ -148,6 +148,7 @@ 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);

void dev_pm_opp_put_regulators(struct opp_table *opp_table);

int devm_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);

struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name);

void dev_pm_opp_put_clkname(struct opp_table *opp_table);

int devm_pm_opp_set_clkname(struct device *dev, const char *name);
@@ -349,6 +350,13 @@ static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, co 


static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}



static inline int devm_pm_opp_set_regulators(struct device *dev,

					     const char * const names[],

					     unsigned int count)

{

	return -EOPNOTSUPP;

}



static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name)

{

	return ERR_PTR(-EOPNOTSUPP);