regulator: Add devm_regulator_get_exclusive()
Add a resource managed regulator_get_exclusive() Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -1493,6 +1493,36 @@ static void _regulator_put(struct regulator *regulator)
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module_put(rdev->owner);
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}
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/**
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* devm_regulator_get_exclusive - Resource managed regulator_get_exclusive()
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* @dev: device for regulator "consumer"
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* @id: Supply name or regulator ID.
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*
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* Managed regulator_get_exclusive(). Regulators returned from this function
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* are automatically regulator_put() on driver detach. See regulator_get() for
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* more information.
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*/
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struct regulator *devm_regulator_get_exclusive(struct device *dev,
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const char *id)
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{
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struct regulator **ptr, *regulator;
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ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
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if (!ptr)
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return ERR_PTR(-ENOMEM);
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regulator = _regulator_get(dev, id, 1);
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if (!IS_ERR(regulator)) {
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*ptr = regulator;
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devres_add(dev, ptr);
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} else {
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devres_free(ptr);
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}
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return regulator;
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}
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EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive);
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/**
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* regulator_put - "free" the regulator source
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* @regulator: regulator source
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@ -137,6 +137,8 @@ struct regulator *__must_check devm_regulator_get(struct device *dev,
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const char *id);
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struct regulator *__must_check regulator_get_exclusive(struct device *dev,
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const char *id);
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struct regulator *__must_check devm_regulator_get_exclusive(struct device *dev,
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const char *id);
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struct regulator *__must_check regulator_get_optional(struct device *dev,
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const char *id);
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struct regulator *__must_check devm_regulator_get_optional(struct device *dev,
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