Commit a74f681c authored by Yangtao Li's avatar Yangtao Li Committed by Viresh Kumar
Browse files

opp: Add devres wrapper for dev_pm_opp_set_clkname 



Add devres wrapper for dev_pm_opp_set_clkname() 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 606a5d42

drivers/opp/core.c

+27 −0
Original line number Diff line number Diff line
@@ -2119,6 +2119,33 @@ void dev_pm_opp_put_clkname(struct opp_table *opp_table) 
}

EXPORT_SYMBOL_GPL(dev_pm_opp_put_clkname);



static void devm_pm_opp_clkname_release(void *data)

{

	dev_pm_opp_put_clkname(data);

}



/**

 * devm_pm_opp_set_clkname() - Set clk name for the device

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

 * @name: Clk name.

 *

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

 *

 * Return: 0 on success and errorno otherwise.

 */

int devm_pm_opp_set_clkname(struct device *dev, const char *name)

{

	struct opp_table *opp_table;



	opp_table = dev_pm_opp_set_clkname(dev, name);

	if (IS_ERR(opp_table))

		return PTR_ERR(opp_table);



	return devm_add_action_or_reset(dev, devm_pm_opp_clkname_release,

					opp_table);

}

EXPORT_SYMBOL_GPL(devm_pm_opp_set_clkname);



/**

 * dev_pm_opp_register_set_opp_helper() - Register custom set OPP helper

 * @dev: Device for which the helper is getting registered.

include/linux/pm_opp.h

+6 −0
Original line number Diff line number Diff line
@@ -150,6 +150,7 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * con 
void dev_pm_opp_put_regulators(struct opp_table *opp_table);

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);

struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));

void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);

struct opp_table *devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
@@ -355,6 +356,11 @@ static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const 


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



static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name)

{

	return -EOPNOTSUPP;

}



static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs)

{

	return ERR_PTR(-EOPNOTSUPP);