Bluetooth: Use system workqueue to schedule power_on

hdev->workqueue should be only for rx/tx, so move this one out.
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/hci_core.c

@@ -1522,7 +1522,7 @@ int hci_register_dev(struct hci_dev *hdev)
 
 	set_bit(HCI_AUTO_OFF, &hdev->flags);
 	set_bit(HCI_SETUP, &hdev->flags);
-	queue_work(hdev->workqueue, &hdev->power_on);
+	schedule_work(&hdev->power_on);
 
 	hci_notify(hdev, HCI_DEV_REG);
 

net/bluetooth/mgmt.c

@@ -415,7 +415,7 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
 	}
 
 	if (cp->val)
-		queue_work(hdev->workqueue, &hdev->power_on);
+		schedule_work(&hdev->power_on);
 	else
 		schedule_work(&hdev->power_off.work);