diff options
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 1b897d0009..51ff3f9eaf 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2279,6 +2279,17 @@ struct regulator *_regulator_get(struct device *dev, const char *id, if (ret > 0) { rdev->use_count = 1; regulator->enable_count = 1; + + /* Propagate the regulator state to its supply */ + if (rdev->supply) { + ret = regulator_enable(rdev->supply); + if (ret < 0) { + destroy_regulator(regulator); + module_put(rdev->owner); + put_device(&rdev->dev); + return ERR_PTR(ret); + } + } } else { rdev->use_count = 0; regulator->enable_count = 0; @@ -3336,6 +3347,7 @@ struct regmap *regulator_get_regmap(struct regulator *regulator) return map ? map : ERR_PTR(-EOPNOTSUPP); } +EXPORT_SYMBOL_GPL(regulator_get_regmap); /** * regulator_get_hardware_vsel_register - get the HW voltage selector register @@ -3937,7 +3949,6 @@ static int regulator_get_optimal_voltage(struct regulator_dev *rdev, if (ret < 0) return ret; - possible_uV = desired_min_uV; done = true; goto finish; @@ -5896,7 +5907,7 @@ static const struct dev_pm_ops __maybe_unused regulator_pm_ops = { }; #endif -struct class regulator_class = { +const struct class regulator_class = { .name = "regulator", .dev_release = regulator_dev_release, .dev_groups = regulator_dev_groups, |