/* do we need to apply the constraint voltage */
if (rdev->constraints->apply_uV &&
- rdev->constraints->min_uV == rdev->constraints->max_uV) {
+ rdev->constraints->min_uV && rdev->constraints->max_uV) {
+ int target_min, target_max;
int current_uV = _regulator_get_voltage(rdev);
if (current_uV < 0) {
rdev_err(rdev,
current_uV);
return current_uV;
}
- if (current_uV < rdev->constraints->min_uV ||
- current_uV > rdev->constraints->max_uV) {
+
+ /*
+ * If we're below the minimum voltage move up to the
+ * minimum voltage, if we're above the maximum voltage
+ * then move down to the maximum.
+ */
+ target_min = current_uV;
+ target_max = current_uV;
+
+ if (current_uV < rdev->constraints->min_uV) {
+ target_min = rdev->constraints->min_uV;
+ target_max = rdev->constraints->min_uV;
+ }
+
+ if (current_uV > rdev->constraints->max_uV) {
+ target_min = rdev->constraints->max_uV;
+ target_max = rdev->constraints->max_uV;
+ }
+
+ if (target_min != current_uV || target_max != current_uV) {
ret = _regulator_do_set_voltage(
- rdev, rdev->constraints->min_uV,
- rdev->constraints->max_uV);
+ rdev, target_min, target_max);
if (ret < 0) {
rdev_err(rdev,
- "failed to apply %duV constraint(%d)\n",
- rdev->constraints->min_uV, ret);
+ "failed to apply %d-%duV constraint(%d)\n",
+ target_min, target_max, ret);
return ret;
}
}
&rdev->bypass_count);
}
+static int regulator_register_resolve_supply(struct device *dev, void *data)
+{
+ return regulator_resolve_supply(dev_to_rdev(dev));
+}
+
/**
* regulator_register - register regulator
* @regulator_desc: regulator to register
}
rdev_init_debugfs(rdev);
-out:
mutex_unlock(®ulator_list_mutex);
+
+ /* try to resolve regulators supply since a new one was registered */
+ class_for_each_device(®ulator_class, NULL, NULL,
+ regulator_register_resolve_supply);
kfree(config);
return rdev;
regulator_ena_gpio_free(rdev);
device_unregister(&rdev->dev);
/* device core frees rdev */
- rdev = ERR_PTR(ret);
goto out;
wash:
regulator_ena_gpio_free(rdev);
clean:
kfree(rdev);
- rdev = ERR_PTR(ret);
- goto out;
+out:
+ mutex_unlock(®ulator_list_mutex);
+ kfree(config);
+ return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(regulator_register);