diff options
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a27a5b6267dd..4b9039b43b6c 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1494,6 +1494,36 @@ static void _regulator_put(struct regulator *regulator) } /** + * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_exclusive(). Regulators returned from this function + * are automatically regulator_put() on driver detach. See regulator_get() for + * more information. + */ +struct regulator *devm_regulator_get_exclusive(struct device *dev, + const char *id) +{ + struct regulator **ptr, *regulator; + + ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + regulator = _regulator_get(dev, id, 1); + if (!IS_ERR(regulator)) { + *ptr = regulator; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return regulator; +} +EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); + +/** * regulator_put - "free" the regulator source * @regulator: regulator source * |