Merge tag 'regulator-fix-v6.9-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One fix that came in during the merge window, fixing a problem with
  bootstrapping the state of exclusive regulators which have a parent
  regulator"

* tag 'regulator-fix-v6.9-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Propagate the regulator state in case of exclusive get

Author: torvalds

drivers/regulator/core.c

@@ -2274,6 +2274,17 @@ 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;