diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b899947d839d87b03608d1f9bf4b4208cf57aa01..cc242aa368efd0bad3159b799a65cc8de7b281f6 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3502,7 +3502,18 @@ static struct class regulator_class = {
 
 static void rdev_init_debugfs(struct regulator_dev *rdev)
 {
-	rdev->debugfs = debugfs_create_dir(rdev_get_name(rdev), debugfs_root);
+	struct device *parent = rdev->dev.parent;
+	const char *rname = rdev_get_name(rdev);
+	char name[NAME_MAX];
+
+	/* Avoid duplicate debugfs directory names */
+	if (parent && rname == rdev->desc->name) {
+		snprintf(name, sizeof(name), "%s-%s", dev_name(parent),
+			 rname);
+		rname = name;
+	}
+
+	rdev->debugfs = debugfs_create_dir(rname, debugfs_root);
 	if (!rdev->debugfs) {
 		rdev_warn(rdev, "Failed to create debugfs directory\n");
 		return;