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opp: Add devres wrapper for dev_pm_opp_set_regulators

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Add devres wrapper for dev_pm_opp_set_regulators() 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 19:33:55 +03:00 committed by Viresh Kumar
parent a74f681c37
commit 32aee78bc5
2 changed files with 38 additions and 0 deletions
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30
drivers/opp/core.c
View File

@ -2047,6 +2047,36 @@ put_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.

8
include/linux/pm_opp.h
View File

@ -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);