diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 214640db084b466c931957d11f8eabd29dee9525..88bcb111ca6837e926c0fa9f60f9d652d0ce8100 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1421,6 +1421,34 @@ void regulator_put(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_put); +static int devm_regulator_match(struct device *dev, void *res, void *data) +{ + struct regulator **r = res; + if (!r || !*r) { + WARN_ON(!r || !*r); + return 0; + } + return *r == data; +} + +/** + * devm_regulator_put - Resource managed regulator_put() + * @regulator: regulator to free + * + * Deallocate a regulator allocated with devm_regulator_get(). Normally + * this function will not need to be called and the resource management + * code will ensure that the resource is freed. + */ +void devm_regulator_put(struct regulator *regulator) +{ + int rc; + + rc = devres_destroy(regulator->dev, devm_regulator_release, + devm_regulator_match, regulator); + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_put); + static int _regulator_can_change_status(struct regulator_dev *rdev) { if (!rdev->constraints) diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index bcfe10658763dff7ed5ae791d51ac141333b411f..60c2f996d89576602c544c4cfa63d3f2996d25d0 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -137,6 +137,7 @@ struct regulator *__must_check devm_regulator_get(struct device *dev, 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);