--- zzzz-none-000/linux-3.10.107/drivers/bluetooth/dtl1_cs.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/bluetooth/dtl1_cs.c	2021-02-04 17:41:59.000000000 +0000
@@ -62,7 +62,7 @@
 /* ======================== Local structures ======================== */
 
 
-typedef struct dtl1_info_t {
+struct dtl1_info {
 	struct pcmcia_device *p_dev;
 
 	struct hci_dev *hdev;
@@ -78,7 +78,7 @@
 	unsigned long rx_state;
 	unsigned long rx_count;
 	struct sk_buff *rx_skb;
-} dtl1_info_t;
+};
 
 
 static int dtl1_config(struct pcmcia_device *link);
@@ -94,11 +94,11 @@
 #define RECV_WAIT_DATA  1
 
 
-typedef struct {
+struct nsh {
 	u8 type;
 	u8 zero;
 	u16 len;
-} __packed nsh_t;	/* Nokia Specific Header */
+} __packed;	/* Nokia Specific Header */
 
 #define NSHL  4				/* Nokia Specific Header Length */
 
@@ -126,7 +126,7 @@
 }
 
 
-static void dtl1_write_wakeup(dtl1_info_t *info)
+static void dtl1_write_wakeup(struct dtl1_info *info)
 {
 	if (!info) {
 		BT_ERR("Unknown device");
@@ -153,7 +153,8 @@
 		if (!pcmcia_dev_present(info->p_dev))
 			return;
 
-		if (!(skb = skb_dequeue(&(info->txq))))
+		skb = skb_dequeue(&(info->txq));
+		if (!skb)
 			break;
 
 		/* Send frame */
@@ -175,15 +176,15 @@
 }
 
 
-static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb)
+static void dtl1_control(struct dtl1_info *info, struct sk_buff *skb)
 {
 	u8 flowmask = *(u8 *)skb->data;
 	int i;
 
 	printk(KERN_INFO "Bluetooth: Nokia control data =");
-	for (i = 0; i < skb->len; i++) {
+	for (i = 0; i < skb->len; i++)
 		printk(" %02x", skb->data[i]);
-	}
+
 	printk("\n");
 
 	/* transition to active state */
@@ -198,10 +199,10 @@
 }
 
 
-static void dtl1_receive(dtl1_info_t *info)
+static void dtl1_receive(struct dtl1_info *info)
 {
 	unsigned int iobase;
-	nsh_t *nsh;
+	struct nsh *nsh;
 	int boguscount = 0;
 
 	if (!info) {
@@ -215,16 +216,18 @@
 		info->hdev->stat.byte_rx++;
 
 		/* Allocate packet */
-		if (info->rx_skb == NULL)
-			if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
+		if (info->rx_skb == NULL) {
+			info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+			if (!info->rx_skb) {
 				BT_ERR("Can't allocate mem for new packet");
 				info->rx_state = RECV_WAIT_NSH;
 				info->rx_count = NSHL;
 				return;
 			}
+		}
 
 		*skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
-		nsh = (nsh_t *)info->rx_skb->data;
+		nsh = (struct nsh *)info->rx_skb->data;
 
 		info->rx_count--;
 
@@ -256,9 +259,8 @@
 				case 0x83:
 				case 0x84:
 					/* send frame to the HCI layer */
-					info->rx_skb->dev = (void *) info->hdev;
 					bt_cb(info->rx_skb)->pkt_type &= 0x0f;
-					hci_recv_frame(info->rx_skb);
+					hci_recv_frame(info->hdev, info->rx_skb);
 					break;
 				default:
 					/* unknown packet */
@@ -285,7 +287,7 @@
 
 static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
 {
-	dtl1_info_t *info = dev_inst;
+	struct dtl1_info *info = dev_inst;
 	unsigned int iobase;
 	unsigned char msr;
 	int boguscount = 0;
@@ -355,15 +357,13 @@
 
 static int dtl1_hci_open(struct hci_dev *hdev)
 {
-	set_bit(HCI_RUNNING, &(hdev->flags));
-
 	return 0;
 }
 
 
 static int dtl1_hci_flush(struct hci_dev *hdev)
 {
-	dtl1_info_t *info = hci_get_drvdata(hdev);
+	struct dtl1_info *info = hci_get_drvdata(hdev);
 
 	/* Drop TX queue */
 	skb_queue_purge(&(info->txq));
@@ -374,28 +374,17 @@
 
 static int dtl1_hci_close(struct hci_dev *hdev)
 {
-	if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
-		return 0;
-
 	dtl1_hci_flush(hdev);
 
 	return 0;
 }
 
 
-static int dtl1_hci_send_frame(struct sk_buff *skb)
+static int dtl1_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 {
-	dtl1_info_t *info;
-	struct hci_dev *hdev = (struct hci_dev *)(skb->dev);
+	struct dtl1_info *info = hci_get_drvdata(hdev);
 	struct sk_buff *s;
-	nsh_t nsh;
-
-	if (!hdev) {
-		BT_ERR("Frame for unknown HCI device (hdev=NULL)");
-		return -ENODEV;
-	}
-
-	info = hci_get_drvdata(hdev);
+	struct nsh nsh;
 
 	switch (bt_cb(skb)->pkt_type) {
 	case HCI_COMMAND_PKT:
@@ -412,7 +401,7 @@
 		break;
 	default:
 		return -EILSEQ;
-	};
+	}
 
 	nsh.zero = 0;
 	nsh.len = skb->len;
@@ -438,17 +427,11 @@
 }
 
 
-static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd,  unsigned long arg)
-{
-	return -ENOIOCTLCMD;
-}
-
-
 
 /* ======================== Card services HCI interaction ======================== */
 
 
-static int dtl1_open(dtl1_info_t *info)
+static int dtl1_open(struct dtl1_info *info)
 {
 	unsigned long flags;
 	unsigned int iobase = info->p_dev->resource[0]->start;
@@ -477,11 +460,10 @@
 	hci_set_drvdata(hdev, info);
 	SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
 
-	hdev->open     = dtl1_hci_open;
-	hdev->close    = dtl1_hci_close;
-	hdev->flush    = dtl1_hci_flush;
-	hdev->send     = dtl1_hci_send_frame;
-	hdev->ioctl    = dtl1_hci_ioctl;
+	hdev->open  = dtl1_hci_open;
+	hdev->close = dtl1_hci_close;
+	hdev->flush = dtl1_hci_flush;
+	hdev->send  = dtl1_hci_send_frame;
 
 	spin_lock_irqsave(&(info->lock), flags);
 
@@ -518,7 +500,7 @@
 }
 
 
-static int dtl1_close(dtl1_info_t *info)
+static int dtl1_close(struct dtl1_info *info)
 {
 	unsigned long flags;
 	unsigned int iobase = info->p_dev->resource[0]->start;
@@ -547,7 +529,7 @@
 
 static int dtl1_probe(struct pcmcia_device *link)
 {
-	dtl1_info_t *info;
+	struct dtl1_info *info;
 
 	/* Create new info device */
 	info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
@@ -565,7 +547,7 @@
 
 static void dtl1_detach(struct pcmcia_device *link)
 {
-	dtl1_info_t *info = link->priv;
+	struct dtl1_info *info = link->priv;
 
 	dtl1_close(info);
 	pcmcia_disable_device(link);
@@ -584,7 +566,7 @@
 
 static int dtl1_config(struct pcmcia_device *link)
 {
-	dtl1_info_t *info = link->priv;
+	struct dtl1_info *info = link->priv;
 	int ret;
 
 	/* Look for a generic full-sized window */