Bluetooth: Rename sysfs un/register to add/del

As we introduced hci_init_sysfs() we should also rename
hci_register_sysfs() and hci_unregister_sysfs() to hci_add_sysfs() and
hci_del_sysfs() like we do with hci_conn_add/del_sysfs(). It looks more
consistent now.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/hci_core.c

@@ -1506,7 +1506,7 @@ int hci_register_dev(struct hci_dev *hdev)
 	if (!hdev->workqueue)
 		goto nomem;
 
-	hci_register_sysfs(hdev);
+	hci_add_sysfs(hdev);
 
 	hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
 				RFKILL_TYPE_BLUETOOTH, &hci_rfkill_ops, hdev);
@@ -1561,7 +1561,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
 		rfkill_destroy(hdev->rfkill);
 	}
 
-	hci_unregister_sysfs(hdev);
+	hci_del_sysfs(hdev);
 
 	hci_del_off_timer(hdev);
 	del_timer(&hdev->adv_timer);

net/bluetooth/hci_sysfs.c

@@ -553,7 +553,7 @@ void hci_init_sysfs(struct hci_dev *hdev)
 	device_initialize(dev);
 }
 
-int hci_register_sysfs(struct hci_dev *hdev)
+int hci_add_sysfs(struct hci_dev *hdev)
 {
 	struct device *dev = &hdev->dev;
 	int err;
@@ -587,7 +587,7 @@ int hci_register_sysfs(struct hci_dev *hdev)
 	return 0;
 }
 
-void hci_unregister_sysfs(struct hci_dev *hdev)
+void hci_del_sysfs(struct hci_dev *hdev)
 {
 	BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);