Bluetooth: hci_qca: Remove duplicate power off in proto close

During serdev unregister, hdev->shutdown is called before
proto close. Removing duplicates power OFF call.
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/hci_qca.c

@@ -693,8 +693,6 @@ static int qca_close(struct hci_uart *hu)
 	destroy_workqueue(qca->workqueue);
 	qca->hu = NULL;
 
-	qca_power_shutdown(hu);
-
 	kfree_skb(qca->rx_skb);
 
 	hu->priv = NULL;
@@ -2031,8 +2029,9 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 static void qca_serdev_remove(struct serdev_device *serdev)
 {
 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+	struct qca_power *power = qcadev->bt_power;
 
-	if (qca_is_wcn399x(qcadev->btsoc_type))
+	if (qca_is_wcn399x(qcadev->btsoc_type) && power->vregs_on)
 		qca_power_shutdown(&qcadev->serdev_hu);
 	else if (qcadev->susclk)
 		clk_disable_unprepare(qcadev->susclk);