Bluetooth: Some coding style cleanup for Marvell core driver

The Marvell core Bluetooth driver has various weird casting and unneeded
braces in its code that makes it hard to read. Remove all of these to
make the code a little bit simpler.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index b4f4445..db4fdb1 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -48,19 +48,18 @@
 
 void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
 {
-	struct hci_event_hdr *hdr = (struct hci_event_hdr *)skb->data;
+	struct hci_event_hdr *hdr = (void *) skb->data;
 	struct hci_ev_cmd_complete *ec;
 	u16 opcode, ocf;
 
 	BT_DBG("Enter");
 
 	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
-		ec = (struct hci_ev_cmd_complete *)(skb->data +
-						    HCI_EVENT_HDR_SIZE);
+		ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
 		opcode = __le16_to_cpu(ec->opcode);
 		ocf = hci_opcode_ocf(opcode);
-		if ((ocf == BT_CMD_MODULE_CFG_REQ) &&
-		    (priv->btmrvl_dev.sendcmdflag)) {
+		if (ocf == BT_CMD_MODULE_CFG_REQ &&
+					priv->btmrvl_dev.sendcmdflag) {
 			priv->btmrvl_dev.sendcmdflag = false;
 			priv->adapter->cmd_complete = true;
 			wake_up_interruptible(&priv->adapter->cmd_wait_q);
@@ -74,8 +73,8 @@
 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
 {
 	struct btmrvl_adapter *adapter = priv->adapter;
-	u8 ret = 0;
 	struct btmrvl_event *event;
+	u8 ret = 0;
 
 	BT_DBG("Enter");
 
@@ -103,7 +102,7 @@
 	case BT_CMD_HOST_SLEEP_CONFIG:
 		if (!event->data[3])
 			BT_DBG("gpio=%x, gap=%x", event->data[1],
-				event->data[2]);
+							event->data[2]);
 		else
 			BT_DBG("HSCFG command failed");
 		break;
@@ -121,12 +120,12 @@
 		break;
 
 	case BT_CMD_MODULE_CFG_REQ:
-		if ((priv->btmrvl_dev.sendcmdflag) &&
-			(event->data[1] == MODULE_BRINGUP_REQ)) {
+		if (priv->btmrvl_dev.sendcmdflag &&
+				event->data[1] == MODULE_BRINGUP_REQ) {
 			BT_DBG("EVENT:%s", (event->data[2]) ?
 				"Bring-up failed" : "Bring-up succeed");
-		} else if ((priv->btmrvl_dev.sendcmdflag) &&
-			(event->data[1] == MODULE_SHUTDOWN_REQ)) {
+		} else if (priv->btmrvl_dev.sendcmdflag &&
+				event->data[1] == MODULE_SHUTDOWN_REQ) {
 			BT_DBG("EVENT:%s", (event->data[2]) ?
 				"Shutdown failed" : "Shutdown succeed");
 		} else {
@@ -160,9 +159,9 @@
 
 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
 {
-	struct sk_buff *skb = NULL;
-	u8 ret = 0;
+	struct sk_buff *skb;
 	struct btmrvl_cmd *cmd;
+	u8 ret = 0;
 
 	BT_DBG("Enter");
 
@@ -181,7 +180,7 @@
 	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
 
 	skb_put(skb, sizeof(*cmd));
-	skb->dev = (void *)priv->btmrvl_dev.hcidev;
+	skb->dev = (void *) priv->btmrvl_dev.hcidev;
 	skb_queue_head(&priv->adapter->tx_queue, skb);
 
 	priv->btmrvl_dev.sendcmdflag = true;
@@ -192,13 +191,12 @@
 
 	wake_up_interruptible(&priv->main_thread.wait_q);
 
-	if (!wait_event_interruptible_timeout(
-			priv->adapter->cmd_wait_q,
-			priv->adapter->cmd_complete,
-			msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) {
+	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
+				priv->adapter->cmd_complete,
+				msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) {
 		ret = -ETIMEDOUT;
 		BT_ERR("module_cfg_cmd(%x): timeout: %d",
-			subcmd, priv->btmrvl_dev.sendcmdflag);
+					subcmd, priv->btmrvl_dev.sendcmdflag);
 	}
 
 	BT_DBG("module cfg Command done");
@@ -212,9 +210,9 @@
 
 static int btmrvl_enable_hs(struct btmrvl_private *priv)
 {
-	struct sk_buff *skb = NULL;
-	u8 ret = 0;
+	struct sk_buff *skb;
 	struct btmrvl_cmd *cmd;
+	u8 ret = 0;
 
 	BT_DBG("Enter");
 
@@ -232,22 +230,20 @@
 	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
 
 	skb_put(skb, sizeof(*cmd));
-	skb->dev = (void *)priv->btmrvl_dev.hcidev;
+	skb->dev = (void *) priv->btmrvl_dev.hcidev;
 	skb_queue_head(&priv->adapter->tx_queue, skb);
 
 	BT_DBG("Queue hs enable Command");
 
 	wake_up_interruptible(&priv->main_thread.wait_q);
 
-	if (!wait_event_interruptible_timeout(
-			priv->adapter->cmd_wait_q,
+	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
 			priv->adapter->hs_state,
 			msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED))) {
 		ret = -ETIMEDOUT;
-		BT_ERR("timeout: %d, %d,%d",
-			priv->adapter->hs_state,
-			priv->adapter->ps_state,
-			priv->adapter->wakeup_tries);
+		BT_ERR("timeout: %d, %d,%d", priv->adapter->hs_state,
+						priv->adapter->ps_state,
+						priv->adapter->wakeup_tries);
 	}
 
 exit:
@@ -259,8 +255,8 @@
 int btmrvl_prepare_command(struct btmrvl_private *priv)
 {
 	struct sk_buff *skb = NULL;
-	u8 ret = 0;
 	struct btmrvl_cmd *cmd;
+	u8 ret = 0;
 
 	BT_DBG("Enter");
 
@@ -284,11 +280,11 @@
 		bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
 
 		skb_put(skb, sizeof(*cmd));
-		skb->dev = (void *)priv->btmrvl_dev.hcidev;
+		skb->dev = (void *) priv->btmrvl_dev.hcidev;
 		skb_queue_head(&priv->adapter->tx_queue, skb);
 
 		BT_DBG("Queue HSCFG Command, gpio=0x%x, gap=0x%x",
-		       cmd->data[0], cmd->data[1]);
+						cmd->data[0], cmd->data[1]);
 	}
 
 	if (priv->btmrvl_dev.pscmd) {
@@ -314,7 +310,7 @@
 		bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
 
 		skb_put(skb, sizeof(*cmd));
-		skb->dev = (void *)priv->btmrvl_dev.hcidev;
+		skb->dev = (void *) priv->btmrvl_dev.hcidev;
 		skb_queue_head(&priv->adapter->tx_queue, skb);
 
 		BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
@@ -350,7 +346,7 @@
 
 	if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
 		BT_ERR("Tx Error: Bad skb length %d : %d",
-			skb->len, BTM_UPLD_SIZE);
+						skb->len, BTM_UPLD_SIZE);
 		BT_DBG("Leave");
 		return -EINVAL;
 	}
@@ -416,8 +412,8 @@
 	BT_DBG("Leave");
 }
 
-static int
-btmrvl_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
+static int btmrvl_ioctl(struct hci_dev *hdev,
+				unsigned int cmd, unsigned long arg)
 {
 	BT_DBG("Enter");
 
@@ -435,7 +431,7 @@
 
 static int btmrvl_send_frame(struct sk_buff *skb)
 {
-	struct hci_dev *hdev = (struct hci_dev *)skb->dev;
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 	struct btmrvl_private *priv = NULL;
 
 	BT_DBG("Enter: type=%d, len=%d", skb->pkt_type, skb->len);
@@ -446,11 +442,11 @@
 		return -ENODEV;
 	}
 
-	priv = (struct btmrvl_private *)hdev->driver_data;
+	priv = (struct btmrvl_private *) hdev->driver_data;
 	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
 		BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
 		print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
-					skb->data, skb->len);
+							skb->data, skb->len);
 		BT_DBG("Leave");
 		return -EBUSY;
 	}
@@ -480,8 +476,7 @@
 
 static int btmrvl_flush(struct hci_dev *hdev)
 {
-	struct btmrvl_private *priv =
-				(struct btmrvl_private *) hdev->driver_data;
+	struct btmrvl_private *priv = hdev->driver_data;
 
 	BT_DBG("Enter");
 
@@ -494,8 +489,7 @@
 
 static int btmrvl_close(struct hci_dev *hdev)
 {
-	struct btmrvl_private *priv =
-				(struct btmrvl_private *) hdev->driver_data;
+	struct btmrvl_private *priv = hdev->driver_data;
 
 	BT_DBG("Enter");
 
@@ -547,9 +541,9 @@
 		set_current_state(TASK_INTERRUPTIBLE);
 
 		if (adapter->wakeup_tries ||
-		    ((!adapter->int_count) &&
-		     (!priv->btmrvl_dev.tx_dnld_rdy ||
-		      skb_queue_empty(&adapter->tx_queue)))) {
+				((!adapter->int_count) &&
+				(!priv->btmrvl_dev.tx_dnld_rdy ||
+				skb_queue_empty(&adapter->tx_queue)))) {
 			BT_DBG("main_thread is sleeping...");
 			schedule();
 		}
@@ -568,8 +562,8 @@
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		if (adapter->int_count) {
 			adapter->int_count = 0;
-		} else if ((adapter->ps_state == PS_SLEEP) &&
-			   !skb_queue_empty(&adapter->tx_queue)) {
+		} else if (adapter->ps_state == PS_SLEEP &&
+					!skb_queue_empty(&adapter->tx_queue)) {
 			spin_unlock_irqrestore(&priv->driver_lock, flags);
 			adapter->wakeup_tries++;
 			priv->hw_wakeup_firmware(priv);
@@ -588,8 +582,7 @@
 			if (btmrvl_tx_pkt(priv, skb))
 				priv->btmrvl_dev.hcidev->stat.err_tx++;
 			else
-				priv->btmrvl_dev.hcidev->stat.byte_tx
-					+= skb->len;
+				priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;
 
 			kfree_skb(skb);
 		}
@@ -603,7 +596,7 @@
 struct btmrvl_private *btmrvl_add_card(void *card)
 {
 	struct hci_dev *hdev = NULL;
-	struct btmrvl_private *priv = NULL;
+	struct btmrvl_private *priv;
 	int ret;
 
 	BT_DBG("Enter");
@@ -634,7 +627,7 @@
 
 	init_waitqueue_head(&priv->main_thread.wait_q);
 	priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
-		&priv->main_thread, "btmrvl_main_service");
+				&priv->main_thread, "btmrvl_main_service");
 
 	priv->btmrvl_dev.hcidev = hdev;
 	priv->btmrvl_dev.card = card;
@@ -717,6 +710,6 @@
 EXPORT_SYMBOL_GPL(btmrvl_remove_card);
 
 MODULE_AUTHOR("Marvell International Ltd.");
-MODULE_DESCRIPTION("Marvell Bluetooth Driver v" VERSION);
+MODULE_DESCRIPTION("Marvell Bluetooth Driver ver" VERSION);
 MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL v2");