diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5ea80e94eb69..080c2334edc5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4179,80 +4179,6 @@ void regulator_unregister(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(regulator_unregister); -static int _regulator_suspend_prepare(struct device *dev, void *data) -{ - struct regulator_dev *rdev = dev_to_rdev(dev); - const suspend_state_t *state = data; - int ret; - - mutex_lock(&rdev->mutex); - ret = suspend_prepare(rdev, *state); - mutex_unlock(&rdev->mutex); - - return ret; -} - -/** - * regulator_suspend_prepare - prepare regulators for system wide suspend - * @state: system suspend state - * - * Configure each regulator with it's suspend operating parameters for state. - * This will usually be called by machine suspend code prior to supending. - */ -int regulator_suspend_prepare(suspend_state_t state) -{ - /* ON is handled by regulator active state */ - if (state == PM_SUSPEND_ON) - return -EINVAL; - - return class_for_each_device(®ulator_class, NULL, &state, - _regulator_suspend_prepare); -} -EXPORT_SYMBOL_GPL(regulator_suspend_prepare); - -static int _regulator_suspend_finish(struct device *dev, void *data) -{ - struct regulator_dev *rdev = dev_to_rdev(dev); - int ret; - - mutex_lock(&rdev->mutex); - if (rdev->use_count > 0 || rdev->constraints->always_on) { - if (!_regulator_is_enabled(rdev)) { - ret = _regulator_do_enable(rdev); - if (ret) - dev_err(dev, - "Failed to resume regulator %d\n", - ret); - } - } else { - if (!have_full_constraints()) - goto unlock; - if (!_regulator_is_enabled(rdev)) - goto unlock; - - ret = _regulator_do_disable(rdev); - if (ret) - dev_err(dev, "Failed to suspend regulator %d\n", ret); - } -unlock: - mutex_unlock(&rdev->mutex); - - /* Keep processing regulators in spite of any errors */ - return 0; -} - -/** - * regulator_suspend_finish - resume regulators from system wide suspend - * - * Turn on regulators that might be turned off by regulator_suspend_prepare - * and that should be turned on according to the regulators properties. - */ -int regulator_suspend_finish(void) -{ - return class_for_each_device(®ulator_class, NULL, NULL, - _regulator_suspend_finish); -} -EXPORT_SYMBOL_GPL(regulator_suspend_finish); /** * regulator_has_full_constraints - the system has fully specified constraints |