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opp: Add devres wrapper for dev_pm_opp_set_clkname

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Add devres wrapper for dev_pm_opp_set_clkname() 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>
This commit is contained in:
Yangtao Li
2021-03-14 19:33:54 +03:00
committed by Viresh Kumar
parent 606a5d4227
commit a74f681c37
2 changed files with 33 additions and 0 deletions
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27
drivers/opp/core.c
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@@ -2119,6 +2119,33 @@ void dev_pm_opp_put_clkname(struct opp_table *opp_table)
} }
EXPORT_SYMBOL_GPL(dev_pm_opp_put_clkname); 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_pm_opp_register_set_opp_helper() - Register custom set OPP helper
* @dev: Device for which the helper is getting registered. * @dev: Device for which the helper is getting registered.

6
include/linux/pm_opp.h
View File

@@ -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); 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); 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); 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)); 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); 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)); 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 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) static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs)
{ {
return ERR_PTR(-EOPNOTSUPP); return ERR_PTR(-EOPNOTSUPP);