Bluetooth: Cleanup formatting and coding style

Fix some warnings and one error reported by checkpatch.pl:
- lines longer than 80 characters are wrapped
- empty lines inserted to separate variable declarations from the actual
  code
- line break inserted after if (...)
Co-developed-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Fabian Schindlatz <fabian.schindlatz@fau.de>
Cc: linux-kernel@i4.cs.fau.de
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bpa10x.c

@@ -359,7 +359,8 @@ static int bpa10x_set_diag(struct hci_dev *hdev, bool enable)
 	return 0;
 }
 
-static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
+static int bpa10x_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
 {
 	struct bpa10x_data *data;
 	struct hci_dev *hdev;

drivers/bluetooth/hci_ll.c

@@ -128,6 +128,7 @@ static int ll_open(struct hci_uart *hu)
 
 	if (hu->serdev) {
 		struct ll_device *lldev = serdev_device_get_drvdata(hu->serdev);
+
 		if (!IS_ERR(lldev->ext_clk))
 			clk_prepare_enable(lldev->ext_clk);
 	}
@@ -162,6 +163,7 @@ static int ll_close(struct hci_uart *hu)
 
 	if (hu->serdev) {
 		struct ll_device *lldev = serdev_device_get_drvdata(hu->serdev);
+
 		gpiod_set_value_cansleep(lldev->enable_gpio, 0);
 
 		clk_disable_unprepare(lldev->ext_clk);
@@ -227,7 +229,8 @@ static void ll_device_want_to_wakeup(struct hci_uart *hu)
 		break;
 	default:
 		/* any other state is illegal */
-		BT_ERR("received HCILL_WAKE_UP_IND in state %ld", ll->hcill_state);
+		BT_ERR("received HCILL_WAKE_UP_IND in state %ld",
+		       ll->hcill_state);
 		break;
 	}
 
@@ -256,7 +259,8 @@ static void ll_device_want_to_sleep(struct hci_uart *hu)
 
 	/* sanity check */
 	if (ll->hcill_state != HCILL_AWAKE)
-		BT_ERR("ERR: HCILL_GO_TO_SLEEP_IND in state %ld", ll->hcill_state);
+		BT_ERR("ERR: HCILL_GO_TO_SLEEP_IND in state %ld",
+		       ll->hcill_state);
 
 	/* acknowledge device sleep */
 	if (send_hcill_cmd(HCILL_GO_TO_SLEEP_ACK, hu) < 0) {
@@ -289,7 +293,8 @@ static void ll_device_woke_up(struct hci_uart *hu)
 
 	/* sanity check */
 	if (ll->hcill_state != HCILL_ASLEEP_TO_AWAKE)
-		BT_ERR("received HCILL_WAKE_UP_ACK in state %ld", ll->hcill_state);
+		BT_ERR("received HCILL_WAKE_UP_ACK in state %ld",
+		       ll->hcill_state);
 
 	/* send pending packets and change state to HCILL_AWAKE */
 	__ll_do_awake(ll);
@@ -338,7 +343,8 @@ static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb)
 		skb_queue_tail(&ll->tx_wait_q, skb);
 		break;
 	default:
-		BT_ERR("illegal hcill state: %ld (losing packet)", ll->hcill_state);
+		BT_ERR("illegal hcill state: %ld (losing packet)",
+		       ll->hcill_state);
 		kfree_skb(skb);
 		break;
 	}
@@ -438,6 +444,7 @@ static int ll_recv(struct hci_uart *hu, const void *data, int count)
 static struct sk_buff *ll_dequeue(struct hci_uart *hu)
 {
 	struct ll_struct *ll = hu->priv;
+
 	return skb_dequeue(&ll->txq);
 }
 
@@ -449,7 +456,8 @@ static int read_local_version(struct hci_dev *hdev)
 	struct sk_buff *skb;
 	struct hci_rp_read_local_version *ver;
 
-	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, HCI_INIT_TIMEOUT);
+	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
+			     HCI_INIT_TIMEOUT);
 	if (IS_ERR(skb)) {
 		bt_dev_err(hdev, "Reading TI version information failed (%ld)",
 			   PTR_ERR(skb));
@@ -469,7 +477,8 @@ static int read_local_version(struct hci_dev *hdev)
 	version = le16_to_cpu(ver->lmp_subver);
 
 out:
-	if (err) bt_dev_err(hdev, "Failed to read TI version info: %d", err);
+	if (err)
+		bt_dev_err(hdev, "Failed to read TI version info: %d", err);
 	kfree_skb(skb);
 	return err ? err : version;
 }
@@ -690,7 +699,9 @@ static int hci_ti_probe(struct serdev_device *serdev)
 	serdev_device_set_drvdata(serdev, lldev);
 	lldev->serdev = hu->serdev = serdev;
 
-	lldev->enable_gpio = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW);
+	lldev->enable_gpio = devm_gpiod_get_optional(&serdev->dev,
+						     "enable",
+						     GPIOD_OUT_LOW);
 	if (IS_ERR(lldev->enable_gpio))
 		return PTR_ERR(lldev->enable_gpio);