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regulator: devres: remove devm_regulator_unregister() function
This API hook isn't used anywhere and most-likely exists because of the general principle of C APIs, where if an API function does an allocation/registration, it must also have an equivalent deallocation/deregistration counterpart. For devm_ functions this isn't all that true (for all cases), as the idea of these function is to provide an auto-cleanup logic on drivers/system de-init. Removing this also discourages any weird logic that could be created with such an API function. Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com> Link: https://lore.kernel.org/r/20210625122324.327585-3-aardelean@deviqon.com Signed-off-by: Mark Brown <broonie@kernel.org>
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2 changed files with 0 additions and 30 deletions
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@ -205,35 +205,6 @@ struct regulator_dev *devm_regulator_register(struct device *dev,
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}
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EXPORT_SYMBOL_GPL(devm_regulator_register);
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static int devm_rdev_match(struct device *dev, void *res, void *data)
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{
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struct regulator_dev **r = res;
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if (!r || !*r) {
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WARN_ON(!r || !*r);
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return 0;
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}
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return *r == data;
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}
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/**
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* devm_regulator_unregister - Resource managed regulator_unregister()
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* @dev: device to supply
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* @rdev: regulator to free
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*
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* Unregister a regulator registered with devm_regulator_register().
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* Normally this function will not need to be called and the resource
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* management code will ensure that the resource is freed.
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*/
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void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev)
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{
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int rc;
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rc = devres_release(dev, devm_rdev_release, devm_rdev_match, rdev);
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if (rc != 0)
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WARN_ON(rc);
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}
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EXPORT_SYMBOL_GPL(devm_regulator_unregister);
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struct regulator_supply_alias_match {
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struct device *dev;
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const char *id;
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@ -645,7 +645,6 @@ devm_regulator_register(struct device *dev,
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const struct regulator_desc *regulator_desc,
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const struct regulator_config *config);
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void regulator_unregister(struct regulator_dev *rdev);
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void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev);
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int regulator_notifier_call_chain(struct regulator_dev *rdev,
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unsigned long event, void *data);
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