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Provide managed versions of regulator_get() and regulator_bulk_get(),

Browse source 
saving code in error handling and cleanup paths by ensuring that that
 the regulators will be automatically unregistered when the device is
 unregistered.
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Merge tag 'topic/devm' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into HEAD

Provide managed versions of regulator_get() and regulator_bulk_get(),
saving code in error handling and cleanup paths by ensuring that that
the regulators will be automatically unregistered when the device is
unregistered.
This commit is contained in:
Mark Brown 2012-01-26 16:07:46 +00:00
commit e8f00041a6
3 changed files with 123 additions and 0 deletions
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12
include/linux/regulator/consumer.h
View file

@ -132,9 +132,12 @@ struct regulator_bulk_data {
/* regulator get and put */
struct regulator *__must_check regulator_get(struct device *dev,
const char *id);
struct regulator *__must_check devm_regulator_get(struct device *dev,
const char *id);
struct regulator *__must_check regulator_get_exclusive(struct device *dev,
const char *id);
void regulator_put(struct regulator *regulator);
void devm_regulator_free(struct regulator *regulator);
/* regulator output control and status */
int regulator_enable(struct regulator *regulator);
@ -145,6 +148,8 @@ int regulator_disable_deferred(struct regulator *regulator, int ms);
int regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers);
int devm_regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers);
int regulator_bulk_enable(int num_consumers,
struct regulator_bulk_data *consumers);
int regulator_bulk_disable(int num_consumers,
@ -200,6 +205,13 @@ static inline struct regulator *__must_check regulator_get(struct device *dev,
*/
return NULL;
}
static inline struct regulator *__must_check
devm_regulator_get(struct device *dev, const char *id)
{
return NULL;
}
static inline void regulator_put(struct regulator *regulator)
{
}