17 files changed, 1912 insertions, 433 deletions

diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index b9fbe6e7f9a..075598e1c50 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -22,6 +22,30 @@ config BT_HCIUSB_SCO
 
 	  Say Y here to compile support for SCO over HCI USB.
 
+config BT_HCIBTUSB
+	tristate "HCI USB driver (alternate version)"
+	depends on USB && EXPERIMENTAL && BT_HCIUSB=n
+	help
+	  Bluetooth HCI USB driver.
+	  This driver is required if you want to use Bluetooth devices with
+	  USB interface.
+
+          This driver is still experimental and has no SCO support.
+
+	  Say Y here to compile support for Bluetooth USB devices into the
+	  kernel or say M to compile it as module (btusb).
+
+config BT_HCIBTSDIO
+	tristate "HCI SDIO driver"
+	depends on MMC
+	help
+	  Bluetooth HCI SDIO driver.
+	  This driver is required if you want to use Bluetooth device with
+	  SDIO interface.
+
+	  Say Y here to compile support for Bluetooth SDIO devices into the
+	  kernel or say M to compile it as module (btsdio).
+
 config BT_HCIUART
 	tristate "HCI UART driver"
 	help
@@ -55,6 +79,17 @@ config BT_HCIUART_BCSP
 
 	  Say Y here to compile support for HCI BCSP protocol.
 
+config BT_HCIUART_LL
+	bool "HCILL protocol support"
+	depends on BT_HCIUART
+	help
+	  HCILL (HCI Low Level) is a serial protocol for communication
+	  between Bluetooth device and host. This protocol is required for
+	  serial Bluetooth devices that are based on Texas Instruments'
+	  BRF chips.
+
+	  Say Y here to compile support for HCILL protocol.
+
 config BT_HCIBCM203X
 	tristate "HCI BCM203x USB driver"
 	depends on USB
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index 08c10e178e0..77444afbf10 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -13,7 +13,11 @@ obj-$(CONFIG_BT_HCIBT3C)	+= bt3c_cs.o
 obj-$(CONFIG_BT_HCIBLUECARD)	+= bluecard_cs.o
 obj-$(CONFIG_BT_HCIBTUART)	+= btuart_cs.o
 
+obj-$(CONFIG_BT_HCIBTUSB)	+= btusb.o
+obj-$(CONFIG_BT_HCIBTSDIO)	+= btsdio.o
+
 hci_uart-y				:= hci_ldisc.o
 hci_uart-$(CONFIG_BT_HCIUART_H4)	+= hci_h4.o
 hci_uart-$(CONFIG_BT_HCIUART_BCSP)	+= hci_bcsp.o
+hci_uart-$(CONFIG_BT_HCIUART_LL)	+= hci_ll.o
 hci_uart-objs				:= $(hci_uart-y)
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 851de4d5b7d..bcf57927b7a 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -503,10 +503,7 @@ static irqreturn_t bluecard_interrupt(int irq, void *dev_inst)
 	unsigned int iobase;
 	unsigned char reg;
 
-	if (!info || !info->hdev) {
-		BT_ERR("Call of irq %d for unknown device", irq);
-		return IRQ_NONE;
-	}
+	BUG_ON(!info->hdev);
 
 	if (!test_bit(CARD_READY, &(info->hw_state)))
 		return IRQ_HANDLED;
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index e8ebd5d3de8..1375b5345a0 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -2,7 +2,7 @@
  *
  *  Digianswer Bluetooth USB driver
  *
- *  Copyright (C) 2004-2005  Marcel Holtmann <marcel@holtmann.org>
+ *  Copyright (C) 2004-2007  Marcel Holtmann <marcel@holtmann.org>
  *
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -21,13 +21,14 @@
  *
  */
 
-#include <linux/module.h>
-
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/sched.h>
 #include <linux/errno.h>
+#include <linux/skbuff.h>
 
 #include <linux/usb.h>
 
@@ -39,7 +40,7 @@
 #define BT_DBG(D...)
 #endif
 
-#define VERSION "0.8"
+#define VERSION "0.9"
 
 static int ignore = 0;
 
@@ -52,393 +53,285 @@ static struct usb_device_id bpa10x_table[] = {
 
 MODULE_DEVICE_TABLE(usb, bpa10x_table);
 
-#define BPA10X_CMD_EP		0x00
-#define BPA10X_EVT_EP		0x81
-#define BPA10X_TX_EP		0x02
-#define BPA10X_RX_EP		0x82
-
-#define BPA10X_CMD_BUF_SIZE	252
-#define BPA10X_EVT_BUF_SIZE	16
-#define BPA10X_TX_BUF_SIZE	384
-#define BPA10X_RX_BUF_SIZE	384
-
 struct bpa10x_data {
-	struct hci_dev		*hdev;
-	struct usb_device	*udev;
+	struct hci_dev    *hdev;
+	struct usb_device *udev;
 
-	rwlock_t		lock;
+	struct usb_anchor tx_anchor;
+	struct usb_anchor rx_anchor;
 
-	struct sk_buff_head	cmd_queue;
-	struct urb		*cmd_urb;
-	struct urb		*evt_urb;
-	struct sk_buff		*evt_skb;
-	unsigned int		evt_len;
-
-	struct sk_buff_head	tx_queue;
-	struct urb		*tx_urb;
-	struct urb		*rx_urb;
+	struct sk_buff *rx_skb[2];
 };
 
-#define HCI_VENDOR_HDR_SIZE	5
+#define HCI_VENDOR_HDR_SIZE 5
 
 struct hci_vendor_hdr {
-	__u8	type;
-	__le16	snum;
-	__le16	dlen;
+	__u8    type;
+	__le16  snum;
+	__le16  dlen;
 } __attribute__ ((packed));
 
-static void bpa10x_recv_bulk(struct bpa10x_data *data, unsigned char *buf, int count)
+static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
 {
-	struct hci_acl_hdr *ah;
-	struct hci_sco_hdr *sh;
-	struct hci_vendor_hdr *vh;
-	struct sk_buff *skb;
-	int len;
+	struct bpa10x_data *data = hdev->driver_data;
+
+	BT_DBG("%s queue %d buffer %p count %d", hdev->name,
+							queue, buf, count);
+
+	if (queue < 0 || queue > 1)
+		return -EILSEQ;
+
+	hdev->stat.byte_rx += count;
 
 	while (count) {
-		switch (*buf++) {
-		case HCI_ACLDATA_PKT:
-			ah = (struct hci_acl_hdr *) buf;
-			len = HCI_ACL_HDR_SIZE + __le16_to_cpu(ah->dlen);
-			skb = bt_skb_alloc(len, GFP_ATOMIC);
-			if (skb) {
-				memcpy(skb_put(skb, len), buf, len);
-				skb->dev = (void *) data->hdev;
-				bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
-				hci_recv_frame(skb);
-			}
-			break;
+		struct sk_buff *skb = data->rx_skb[queue];
+		struct { __u8 type; int expect; } *scb;
+		int type, len = 0;
 
-		case HCI_SCODATA_PKT:
-			sh = (struct hci_sco_hdr *) buf;
-			len = HCI_SCO_HDR_SIZE + sh->dlen;
-			skb = bt_skb_alloc(len, GFP_ATOMIC);
-			if (skb) {
-				memcpy(skb_put(skb, len), buf, len);
-				skb->dev = (void *) data->hdev;
-				bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
-				hci_recv_frame(skb);
+		if (!skb) {
+			/* Start of the frame */
+
+			type = *((__u8 *) buf);
+			count--; buf++;
+
+			switch (type) {
+			case HCI_EVENT_PKT:
+				if (count >= HCI_EVENT_HDR_SIZE) {
+					struct hci_event_hdr *h = buf;
+					len = HCI_EVENT_HDR_SIZE + h->plen;
+				} else
+					return -EILSEQ;
+				break;
+
+			case HCI_ACLDATA_PKT:
+				if (count >= HCI_ACL_HDR_SIZE) {
+					struct hci_acl_hdr *h = buf;
+					len = HCI_ACL_HDR_SIZE +
+							__le16_to_cpu(h->dlen);
+				} else
+					return -EILSEQ;
+				break;
+
+			case HCI_SCODATA_PKT:
+				if (count >= HCI_SCO_HDR_SIZE) {
+					struct hci_sco_hdr *h = buf;
+					len = HCI_SCO_HDR_SIZE + h->dlen;
+				} else
+					return -EILSEQ;
+				break;
+
+			case HCI_VENDOR_PKT:
+				if (count >= HCI_VENDOR_HDR_SIZE) {
+					struct hci_vendor_hdr *h = buf;
+					len = HCI_VENDOR_HDR_SIZE +
+							__le16_to_cpu(h->dlen);
+				} else
+					return -EILSEQ;
+				break;
 			}
-			break;
 
-		case HCI_VENDOR_PKT:
-			vh = (struct hci_vendor_hdr *) buf;
-			len = HCI_VENDOR_HDR_SIZE + __le16_to_cpu(vh->dlen);
 			skb = bt_skb_alloc(len, GFP_ATOMIC);
-			if (skb) {
-				memcpy(skb_put(skb, len), buf, len);
-				skb->dev = (void *) data->hdev;
-				bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
-				hci_recv_frame(skb);
+			if (!skb) {
+				BT_ERR("%s no memory for packet", hdev->name);
+				return -ENOMEM;
 			}
-			break;
-
-		default:
-			len = count - 1;
-			break;
-		}
 
-		buf   += len;
-		count -= (len + 1);
-	}
-}
-
-static int bpa10x_recv_event(struct bpa10x_data *data, unsigned char *buf, int size)
-{
-	BT_DBG("data %p buf %p size %d", data, buf, size);
+			skb->dev = (void *) hdev;
 
-	if (data->evt_skb) {
-		struct sk_buff *skb = data->evt_skb;
+			data->rx_skb[queue] = skb;
 
-		memcpy(skb_put(skb, size), buf, size);
+			scb = (void *) skb->cb;
+			scb->type = type;
+			scb->expect = len;
+		} else {
+			/* Continuation */
 
-		if (skb->len == data->evt_len) {
-			data->evt_skb = NULL;
-			data->evt_len = 0;
-			hci_recv_frame(skb);
-		}
-	} else {
-		struct sk_buff *skb;
-		struct hci_event_hdr *hdr;
-		unsigned char pkt_type;
-		int pkt_len = 0;
-
-		if (size < HCI_EVENT_HDR_SIZE + 1) {
-			BT_ERR("%s event packet block with size %d is too short",
-							data->hdev->name, size);
-			return -EILSEQ;
+			scb = (void *) skb->cb;
+			len = scb->expect;
 		}
 
-		pkt_type = *buf++;
-		size--;
-
-		if (pkt_type != HCI_EVENT_PKT) {
-			BT_ERR("%s unexpected event packet start byte 0x%02x",
-							data->hdev->name, pkt_type);
-			return -EPROTO;
-		}
+		len = min(len, count);
 
-		hdr = (struct hci_event_hdr *) buf;
-		pkt_len = HCI_EVENT_HDR_SIZE + hdr->plen;
+		memcpy(skb_put(skb, len), buf, len);
 
-		skb = bt_skb_alloc(pkt_len, GFP_ATOMIC);
-		if (!skb) {
-			BT_ERR("%s no memory for new event packet",
-							data->hdev->name);
-			return -ENOMEM;
-		}
+		scb->expect -= len;
 
-		skb->dev = (void *) data->hdev;
-		bt_cb(skb)->pkt_type = pkt_type;
+		if (scb->expect == 0) {
+			/* Complete frame */
 
-		memcpy(skb_put(skb, size), buf, size);
+			data->rx_skb[queue] = NULL;
 
-		if (pkt_len == size) {
+			bt_cb(skb)->pkt_type = scb->type;
 			hci_recv_frame(skb);
-		} else {
-			data->evt_skb = skb;
-			data->evt_len = pkt_len;
 		}
+
+		count -= len; buf += len;
 	}
 
 	return 0;
 }
 
-static void bpa10x_wakeup(struct bpa10x_data *data)
+static void bpa10x_tx_complete(struct urb *urb)
 {
-	struct urb *urb;
-	struct sk_buff *skb;
-	int err;
+	struct sk_buff *skb = urb->context;
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 
-	BT_DBG("data %p", data);
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
 
-	urb = data->cmd_urb;
-	if (urb->status == -EINPROGRESS)
-		skb = NULL;
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		goto done;
+
+	if (!urb->status)
+		hdev->stat.byte_tx += urb->transfer_buffer_length;
 	else
-		skb = skb_dequeue(&data->cmd_queue);
+		hdev->stat.err_tx++;
 
-	if (skb) {
-		struct usb_ctrlrequest *cr;
+done:
+	kfree(urb->setup_packet);
 
-		if (skb->len > BPA10X_CMD_BUF_SIZE) {
-			BT_ERR("%s command packet with size %d is too big",
-							data->hdev->name, skb->len);
-			kfree_skb(skb);
-			return;
-		}
+	kfree_skb(skb);
+}
+
+static void bpa10x_rx_complete(struct urb *urb)
+{
+	struct hci_dev *hdev = urb->context;
+	struct bpa10x_data *data = hdev->driver_data;
+	int err;
 
-		cr = (struct usb_ctrlrequest *) urb->setup_packet;
-		cr->wLength = __cpu_to_le16(skb->len);
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
 
-		skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
-		urb->transfer_buffer_length = skb->len;
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return;
 
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err < 0 && err != -ENODEV) {
-			BT_ERR("%s submit failed for command urb %p with error %d",
-							data->hdev->name, urb, err);
-			skb_queue_head(&data->cmd_queue, skb);
-		} else
-			kfree_skb(skb);
+	if (urb->status == 0) {
+		if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe),
+						urb->transfer_buffer,
+						urb->actual_length) < 0) {
+			BT_ERR("%s corrupted event packet", hdev->name);
+			hdev->stat.err_rx++;
+		}
 	}
 
-	urb = data->tx_urb;
-	if (urb->status == -EINPROGRESS)
-		skb = NULL;
-	else
-		skb = skb_dequeue(&data->tx_queue);
-
-	if (skb) {
-		skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
-		urb->transfer_buffer_length = skb->len;
-
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err < 0 && err != -ENODEV) {
-			BT_ERR("%s submit failed for command urb %p with error %d",
-							data->hdev->name, urb, err);
-			skb_queue_head(&data->tx_queue, skb);
-		} else
-			kfree_skb(skb);
+	usb_anchor_urb(urb, &data->rx_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p failed to resubmit (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
 	}
 }
 
-static void bpa10x_complete(struct urb *urb)
+static inline int bpa10x_submit_intr_urb(struct hci_dev *hdev)
 {
-	struct bpa10x_data *data = urb->context;
-	unsigned char *buf = urb->transfer_buffer;
-	int err, count = urb->actual_length;
+	struct bpa10x_data *data = hdev->driver_data;
+	struct urb *urb;
+	unsigned char *buf;
+	unsigned int pipe;
+	int err, size = 16;
 
-	BT_DBG("data %p urb %p buf %p count %d", data, urb, buf, count);
+	BT_DBG("%s", hdev->name);
 
-	read_lock(&data->lock);
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb)
+		return -ENOMEM;
 
-	if (!test_bit(HCI_RUNNING, &data->hdev->flags))
-		goto unlock;
+	buf = kmalloc(size, GFP_KERNEL);
+	if (!buf) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
 
-	if (urb->status < 0 || !count)
-		goto resubmit;
+	pipe = usb_rcvintpipe(data->udev, 0x81);
 
-	if (usb_pipein(urb->pipe)) {
-		data->hdev->stat.byte_rx += count;
+	usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+						bpa10x_rx_complete, hdev, 1);
 
-		if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT)
-			bpa10x_recv_event(data, buf, count);
+	urb->transfer_flags |= URB_FREE_BUFFER;
 
-		if (usb_pipetype(urb->pipe) == PIPE_BULK)
-			bpa10x_recv_bulk(data, buf, count);
-	} else {
-		data->hdev->stat.byte_tx += count;
+	usb_anchor_urb(urb, &data->rx_anchor);
 
-		bpa10x_wakeup(data);
+	err = usb_submit_urb(urb, GFP_KERNEL);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+		kfree(buf);
 	}
 
-resubmit:
-	if (usb_pipein(urb->pipe)) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err < 0 && err != -ENODEV) {
-			BT_ERR("%s urb %p type %d resubmit status %d",
-				data->hdev->name, urb, usb_pipetype(urb->pipe), err);
-		}
-	}
+	usb_free_urb(urb);
 
-unlock:
-	read_unlock(&data->lock);
+	return err;
 }
 
-static inline struct urb *bpa10x_alloc_urb(struct usb_device *udev, unsigned int pipe,
-					size_t size, gfp_t flags, void *data)
+static inline int bpa10x_submit_bulk_urb(struct hci_dev *hdev)
 {
+	struct bpa10x_data *data = hdev->driver_data;
 	struct urb *urb;
-	struct usb_ctrlrequest *cr;
 	unsigned char *buf;
+	unsigned int pipe;
+	int err, size = 64;
 
-	BT_DBG("udev %p data %p", udev, data);
+	BT_DBG("%s", hdev->name);
 
-	urb = usb_alloc_urb(0, flags);
+	urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!urb)
-		return NULL;
+		return -ENOMEM;
 
-	buf = kmalloc(size, flags);
+	buf = kmalloc(size, GFP_KERNEL);
 	if (!buf) {
 		usb_free_urb(urb);
-		return NULL;
+		return -ENOMEM;
 	}
 
-	switch (usb_pipetype(pipe)) {
-	case PIPE_CONTROL:
-		cr = kmalloc(sizeof(*cr), flags);
-		if (!cr) {
-			kfree(buf);
-			usb_free_urb(urb);
-			return NULL;
-		}
+	pipe = usb_rcvbulkpipe(data->udev, 0x82);
 
-		cr->bRequestType = USB_TYPE_VENDOR;
-		cr->bRequest     = 0;
-		cr->wIndex       = 0;
-		cr->wValue       = 0;
-		cr->wLength      = __cpu_to_le16(0);
+	usb_fill_bulk_urb(urb, data->udev, pipe,
+					buf, size, bpa10x_rx_complete, hdev);
 
-		usb_fill_control_urb(urb, udev, pipe, (void *) cr, buf, 0, bpa10x_complete, data);
-		break;
+	urb->transfer_flags |= URB_FREE_BUFFER;
 
-	case PIPE_INTERRUPT:
-		usb_fill_int_urb(urb, udev, pipe, buf, size, bpa10x_complete, data, 1);
-		break;
+	usb_anchor_urb(urb, &data->rx_anchor);
 
-	case PIPE_BULK:
-		usb_fill_bulk_urb(urb, udev, pipe, buf, size, bpa10x_complete, data);
-		break;
-
-	default:
+	err = usb_submit_urb(urb, GFP_KERNEL);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
 		kfree(buf);
-		usb_free_urb(urb);
-		return NULL;
 	}
 
-	return urb;
-}
-
-static inline void bpa10x_free_urb(struct urb *urb)
-{
-	BT_DBG("urb %p", urb);
-
-	if (!urb)
-		return;
-
-	kfree(urb->setup_packet);
-	kfree(urb->transfer_buffer);
-
 	usb_free_urb(urb);
+
+	return err;
 }
 
 static int bpa10x_open(struct hci_dev *hdev)
 {
 	struct bpa10x_data *data = hdev->driver_data;
-	struct usb_device *udev = data->udev;
-	unsigned long flags;
 	int err;
 
-	BT_DBG("hdev %p data %p", hdev, data);
+	BT_DBG("%s", hdev->name);
 
 	if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
 		return 0;
 
-	data->cmd_urb = bpa10x_alloc_urb(udev, usb_sndctrlpipe(udev, BPA10X_CMD_EP),
-					BPA10X_CMD_BUF_SIZE, GFP_KERNEL, data);
-	if (!data->cmd_urb) {
-		err = -ENOMEM;
-		goto done;
-	}
-
-	data->evt_urb = bpa10x_alloc_urb(udev, usb_rcvintpipe(udev, BPA10X_EVT_EP),
-					BPA10X_EVT_BUF_SIZE, GFP_KERNEL, data);
-	if (!data->evt_urb) {
-		bpa10x_free_urb(data->cmd_urb);
-		err = -ENOMEM;
-		goto done;
-	}
-
-	data->rx_urb = bpa10x_alloc_urb(udev, usb_rcvbulkpipe(udev, BPA10X_RX_EP),
-					BPA10X_RX_BUF_SIZE, GFP_KERNEL, data);
-	if (!data->rx_urb) {
-		bpa10x_free_urb(data->evt_urb);
-		bpa10x_free_urb(data->cmd_urb);
-		err = -ENOMEM;
-		goto done;
-	}
-
-	data->tx_urb = bpa10x_alloc_urb(udev, usb_sndbulkpipe(udev, BPA10X_TX_EP),
-					BPA10X_TX_BUF_SIZE, GFP_KERNEL, data);
-	if (!data->rx_urb) {
-		bpa10x_free_urb(data->rx_urb);
-		bpa10x_free_urb(data->evt_urb);
-		bpa10x_free_urb(data->cmd_urb);
-		err = -ENOMEM;
-		goto done;
-	}
+	err = bpa10x_submit_intr_urb(hdev);
+	if (err < 0)
+		goto error;
 
-	write_lock_irqsave(&data->lock, flags);
+	err = bpa10x_submit_bulk_urb(hdev);
+	if (err < 0)
+		goto error;
 
-	err = usb_submit_urb(data->evt_urb, GFP_ATOMIC);
-	if (err < 0) {
-		BT_ERR("%s submit failed for event urb %p with error %d",
-					data->hdev->name, data->evt_urb, err);
-	} else {
-		err = usb_submit_urb(data->rx_urb, GFP_ATOMIC);
-		if (err < 0) {
-			BT_ERR("%s submit failed for rx urb %p with error %d",
-					data->hdev->name, data->evt_urb, err);
-			usb_kill_urb(data->evt_urb);
-		}
-	}
+	return 0;
 
-	write_unlock_irqrestore(&data->lock, flags);
+error:
+	usb_kill_anchored_urbs(&data->rx_anchor);
 
-done:
-	if (err < 0)
-		clear_bit(HCI_RUNNING, &hdev->flags);
+	clear_bit(HCI_RUNNING, &hdev->flags);
 
 	return err;
 }
@@ -446,27 +339,13 @@ done:
 static int bpa10x_close(struct hci_dev *hdev)
 {
 	struct bpa10x_data *data = hdev->driver_data;
-	unsigned long flags;
 
-	BT_DBG("hdev %p data %p", hdev, data);
+	BT_DBG("%s", hdev->name);
 
 	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 		return 0;
 
-	write_lock_irqsave(&data->lock, flags);
-
-	skb_queue_purge(&data->cmd_queue);
-	usb_kill_urb(data->cmd_urb);
-	usb_kill_urb(data->evt_urb);
-	usb_kill_urb(data->rx_urb);
-	usb_kill_urb(data->tx_urb);
-
-	write_unlock_irqrestore(&data->lock, flags);
-
-	bpa10x_free_urb(data->cmd_urb);
-	bpa10x_free_urb(data->evt_urb);
-	bpa10x_free_urb(data->rx_urb);
-	bpa10x_free_urb(data->tx_urb);
+	usb_kill_anchored_urbs(&data->rx_anchor);
 
 	return 0;
 }
@@ -475,9 +354,9 @@ static int bpa10x_flush(struct hci_dev *hdev)
 {
 	struct bpa10x_data *data = hdev->driver_data;
 
-	BT_DBG("hdev %p data %p", hdev, data);
+	BT_DBG("%s", hdev->name);
 
-	skb_queue_purge(&data->cmd_queue);
+	usb_kill_anchored_urbs(&data->tx_anchor);
 
 	return 0;
 }
@@ -485,45 +364,78 @@ static int bpa10x_flush(struct hci_dev *hdev)
 static int bpa10x_send_frame(struct sk_buff *skb)
 {
 	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
-	struct bpa10x_data *data;
-
-	BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len);
+	struct bpa10x_data *data = hdev->driver_data;
+	struct usb_ctrlrequest *dr;
+	struct urb *urb;
+	unsigned int pipe;
+	int err;
 
-	if (!hdev) {
-		BT_ERR("Frame for unknown HCI device");
-		return -ENODEV;
-	}
+	BT_DBG("%s", hdev->name);
 
 	if (!test_bit(HCI_RUNNING, &hdev->flags))
 		return -EBUSY;
 
-	data = hdev->driver_data;
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!urb)
+		return -ENOMEM;
 
 	/* Prepend skb with frame type */
-	memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+	*skb_push(skb, 1) = bt_cb(skb)->pkt_type;
 
 	switch (bt_cb(skb)->pkt_type) {
 	case HCI_COMMAND_PKT:
+		dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+		if (!dr) {
+			usb_free_urb(urb);
+			return -ENOMEM;
+		}
+
+		dr->bRequestType = USB_TYPE_VENDOR;
+		dr->bRequest     = 0;
+		dr->wIndex       = 0;
+		dr->wValue       = 0;
+		dr->wLength      = __cpu_to_le16(skb->len);
+
+		pipe = usb_sndctrlpipe(data->udev, 0x00);
+
+		usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+				skb->data, skb->len, bpa10x_tx_complete, skb);
+
 		hdev->stat.cmd_tx++;
-		skb_queue_tail(&data->cmd_queue, skb);
 		break;
 
 	case HCI_ACLDATA_PKT:
+		pipe = usb_sndbulkpipe(data->udev, 0x02);
+
+		usb_fill_bulk_urb(urb, data->udev, pipe,
+				skb->data, skb->len, bpa10x_tx_complete, skb);
+
 		hdev->stat.acl_tx++;
-		skb_queue_tail(&data->tx_queue, skb);
 		break;
 
 	case HCI_SCODATA_PKT:
+		pipe = usb_sndbulkpipe(data->udev, 0x02);
+
+		usb_fill_bulk_urb(urb, data->udev, pipe,
+				skb->data, skb->len, bpa10x_tx_complete, skb);
+
 		hdev->stat.sco_tx++;
-		skb_queue_tail(&data->tx_queue, skb);
 		break;
-	};
 
-	read_lock(&data->lock);
+	default:
+		return -EILSEQ;
+	}
+
+	usb_anchor_urb(urb, &data->tx_anchor);
 
-	bpa10x_wakeup(data);
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed", hdev->name, urb);
+		kfree(urb->setup_packet);
+		usb_unanchor_urb(urb);
+	}
 
-	read_unlock(&data->lock);
+	usb_free_urb(urb);
 
 	return 0;
 }
@@ -532,16 +444,17 @@ static void bpa10x_destruct(struct hci_dev *hdev)
 {
 	struct bpa10x_data *data = hdev->driver_data;
 
-	BT_DBG("hdev %p data %p", hdev, data);
+	BT_DBG("%s", hdev->name);
 
+	kfree(data->rx_skb[0]);
+	kfree(data->rx_skb[1]);
 	kfree(data);
 }
 
 static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
-	struct usb_device *udev = interface_to_usbdev(intf);
-	struct hci_dev *hdev;
 	struct bpa10x_data *data;
+	struct hci_dev *hdev;
 	int err;
 
 	BT_DBG("intf %p id %p", intf, id);
@@ -549,48 +462,43 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
 	if (ignore)
 		return -ENODEV;
 
-	if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 		return -ENODEV;
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data) {
-		BT_ERR("Can't allocate data structure");
+	if (!data)
 		return -ENOMEM;
-	}
-
-	data->udev = udev;
 
-	rwlock_init(&data->lock);
+	data->udev = interface_to_usbdev(intf);
 
-	skb_queue_head_init(&data->cmd_queue);
-	skb_queue_head_init(&data->tx_queue);
+	init_usb_anchor(&data->tx_anchor);
+	init_usb_anchor(&data->rx_anchor);
 
 	hdev = hci_alloc_dev();
 	if (!hdev) {
-		BT_ERR("Can't allocate HCI device");
 		kfree(data);
 		return -ENOMEM;
 	}
 
-	data->hdev = hdev;
-
 	hdev->type = HCI_USB;
 	hdev->driver_data = data;
+
+	data->hdev = hdev;
+
 	SET_HCIDEV_DEV(hdev, &intf->dev);
 
-	hdev->open	= bpa10x_open;
-	hdev->close	= bpa10x_close;
-	hdev->flush	= bpa10x_flush;
-	hdev->send	= bpa10x_send_frame;
-	hdev->destruct	= bpa10x_destruct;
+	hdev->open     = bpa10x_open;
+	hdev->close    = bpa10x_close;
+	hdev->flush    = bpa10x_flush;
+	hdev->send     = bpa10x_send_frame;
+	hdev->destruct = bpa10x_destruct;
 
 	hdev->owner = THIS_MODULE;
 
 	err = hci_register_dev(hdev);
 	if (err < 0) {
-		BT_ERR("Can't register HCI device");
-		kfree(data);
 		hci_free_dev(hdev);
+		kfree(data);
 		return err;
 	}
 
@@ -602,19 +510,17 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
 static void bpa10x_disconnect(struct usb_interface *intf)
 {
 	struct bpa10x_data *data = usb_get_intfdata(intf);
-	struct hci_dev *hdev = data->hdev;
 
 	BT_DBG("intf %p", intf);
 
-	if (!hdev)
+	if (!data)
 		return;
 
 	usb_set_intfdata(intf, NULL);
 
-	if (hci_unregister_dev(hdev) < 0)
-		BT_ERR("Can't unregister HCI device %s", hdev->name);
+	hci_unregister_dev(data->hdev);
 
-	hci_free_dev(hdev);
+	hci_free_dev(data->hdev);
 }
 
 static struct usb_driver bpa10x_driver = {
@@ -626,15 +532,9 @@ static struct usb_driver bpa10x_driver = {
 
 static int __init bpa10x_init(void)
 {
-	int err;
-
 	BT_INFO("Digianswer Bluetooth USB driver ver %s", VERSION);
 
-	err = usb_register(&bpa10x_driver);
-	if (err < 0)
-		BT_ERR("Failed to register USB driver");
-
-	return err;
+	return usb_register(&bpa10x_driver);
 }
 
 static void __exit bpa10x_exit(void)
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 39516074636..a18f9b8c9e1 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -344,10 +344,7 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst)
 	unsigned int iobase;
 	int iir;
 
-	if (!info || !info->hdev) {
-		BT_ERR("Call of irq %d for unknown device", irq);
-		return IRQ_NONE;
-	}
+	BUG_ON(!info->hdev);
 
 	iobase = info->p_dev->io.BasePort1;
 
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
new file mode 100644
index 00000000000..b786f618790
--- /dev/null
+++ b/drivers/bluetooth/btsdio.c
@@ -0,0 +1,406 @@
+/*
+ *
+ *  Generic Bluetooth SDIO driver
+ *
+ *  Copyright (C) 2007  Cambridge Silicon Radio Ltd.
+ *  Copyright (C) 2007  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#ifndef CONFIG_BT_HCIBTSDIO_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "0.1"
+
+static const struct sdio_device_id btsdio_table[] = {
+	/* Generic Bluetooth Type-A SDIO device */
+	{ SDIO_DEVICE_CLASS(SDIO_CLASS_BT_A) },
+
+	/* Generic Bluetooth Type-B SDIO device */
+	{ SDIO_DEVICE_CLASS(SDIO_CLASS_BT_B) },
+
+	{ }	/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(sdio, btsdio_table);
+
+struct btsdio_data {
+	struct hci_dev   *hdev;
+	struct sdio_func *func;
+
+	struct work_struct work;
+
+	struct sk_buff_head txq;
+};
+
+#define REG_RDAT     0x00	/* Receiver Data */
+#define REG_TDAT     0x00	/* Transmitter Data */
+#define REG_PC_RRT   0x10	/* Read Packet Control */
+#define REG_PC_WRT   0x11	/* Write Packet Control */
+#define REG_RTC_STAT 0x12	/* Retry Control Status */
+#define REG_RTC_SET  0x12	/* Retry Control Set */
+#define REG_INTRD    0x13	/* Interrupt Indication */
+#define REG_CL_INTRD 0x13	/* Interrupt Clear */
+#define REG_EN_INTRD 0x14	/* Interrupt Enable */
+#define REG_MD_STAT  0x20	/* Bluetooth Mode Status */
+
+static int btsdio_tx_packet(struct btsdio_data *data, struct sk_buff *skb)
+{
+	int err;
+
+	BT_DBG("%s", data->hdev->name);
+
+	/* Prepend Type-A header */
+	skb_push(skb, 4);
+	skb->data[0] = (skb->len & 0x0000ff);
+	skb->data[1] = (skb->len & 0x00ff00) >> 8;
+	skb->data[2] = (skb->len & 0xff0000) >> 16;
+	skb->data[3] = bt_cb(skb)->pkt_type;
+
+	err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len);
+	if (err < 0) {
+		sdio_writeb(data->func, 0x01, REG_PC_WRT, NULL);
+		return err;
+	}
+
+	data->hdev->stat.byte_tx += skb->len;
+
+	kfree_skb(skb);
+
+	return 0;
+}
+
+static void btsdio_work(struct work_struct *work)
+{
+	struct btsdio_data *data = container_of(work, struct btsdio_data, work);
+	struct sk_buff *skb;
+	int err;
+
+	BT_DBG("%s", data->hdev->name);
+
+	sdio_claim_host(data->func);
+
+	while ((skb = skb_dequeue(&data->txq))) {
+		err = btsdio_tx_packet(data, skb);
+		if (err < 0) {
+			data->hdev->stat.err_tx++;
+			skb_queue_head(&data->txq, skb);
+			break;
+		}
+	}
+
+	sdio_release_host(data->func);
+}
+
+static int btsdio_rx_packet(struct btsdio_data *data)
+{
+	u8 hdr[4] __attribute__ ((aligned(4)));
+	struct sk_buff *skb;
+	int err, len;
+
+	BT_DBG("%s", data->hdev->name);
+
+	err = sdio_readsb(data->func, hdr, REG_RDAT, 4);
+	if (err < 0)
+		return err;
+
+	len = hdr[0] | (hdr[1] << 8) | (hdr[2] << 16);
+	if (len < 4 || len > 65543)
+		return -EILSEQ;
+
+	skb = bt_skb_alloc(len - 4, GFP_KERNEL);
+	if (!skb) {
+		/* Out of memory. Prepare a read retry and just
+		 * return with the expectation that the next time
+		 * we're called we'll have more memory. */
+		return -ENOMEM;
+	}
+
+	skb_put(skb, len - 4);
+
+	err = sdio_readsb(data->func, skb->data, REG_RDAT, len - 4);
+	if (err < 0) {
+		kfree(skb);
+		return err;
+	}
+
+	data->hdev->stat.byte_rx += len;
+
+	skb->dev = (void *) data->hdev;
+	bt_cb(skb)->pkt_type = hdr[3];
+
+	err = hci_recv_frame(skb);
+	if (err < 0) {
+		kfree(skb);
+		return err;
+	}
+
+	sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL);
+
+	return 0;
+}
+
+static void btsdio_interrupt(struct sdio_func *func)
+{
+	struct btsdio_data *data = sdio_get_drvdata(func);
+	int intrd;
+
+	BT_DBG("%s", data->hdev->name);
+
+	intrd = sdio_readb(func, REG_INTRD, NULL);
+	if (intrd & 0x01) {
+		sdio_writeb(func, 0x01, REG_CL_INTRD, NULL);
+
+		if (btsdio_rx_packet(data) < 0) {
+			data->hdev->stat.err_rx++;
+			sdio_writeb(data->func, 0x01, REG_PC_RRT, NULL);
+		}
+	}
+}
+
+static int btsdio_open(struct hci_dev *hdev)
+{
+	struct btsdio_data *data = hdev->driver_data;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	sdio_claim_host(data->func);
+
+	err = sdio_enable_func(data->func);
+	if (err < 0) {
+		clear_bit(HCI_RUNNING, &hdev->flags);
+		goto release;
+	}
+
+	err = sdio_claim_irq(data->func, btsdio_interrupt);
+	if (err < 0) {
+		sdio_disable_func(data->func);
+		clear_bit(HCI_RUNNING, &hdev->flags);
+		goto release;
+	}
+
+	if (data->func->class == SDIO_CLASS_BT_B)
+		sdio_writeb(data->func, 0x00, REG_MD_STAT, NULL);
+
+	sdio_writeb(data->func, 0x01, REG_EN_INTRD, NULL);
+
+release:
+	sdio_release_host(data->func);
+
+	return err;
+}
+
+static int btsdio_close(struct hci_dev *hdev)
+{
+	struct btsdio_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	sdio_claim_host(data->func);
+
+	sdio_writeb(data->func, 0x00, REG_EN_INTRD, NULL);
+
+	sdio_release_irq(data->func);
+	sdio_disable_func(data->func);
+
+	sdio_release_host(data->func);
+
+	return 0;
+}
+
+static int btsdio_flush(struct hci_dev *hdev)
+{
+	struct btsdio_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	skb_queue_purge(&data->txq);
+
+	return 0;
+}
+
+static int btsdio_send_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+	struct btsdio_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return -EBUSY;
+
+	switch (bt_cb(skb)->pkt_type) {
+	case HCI_COMMAND_PKT:
+		hdev->stat.cmd_tx++;
+		break;
+
+	case HCI_ACLDATA_PKT:
+		hdev->stat.acl_tx++;
+		break;
+
+	case HCI_SCODATA_PKT:
+		hdev->stat.sco_tx++;
+		break;
+
+	default:
+		return -EILSEQ;
+	}
+
+	skb_queue_tail(&data->txq, skb);
+
+	schedule_work(&data->work);
+
+	return 0;
+}
+
+static void btsdio_destruct(struct hci_dev *hdev)
+{
+	struct btsdio_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	kfree(data);
+}
+
+static int btsdio_probe(struct sdio_func *func,
+				const struct sdio_device_id *id)
+{
+	struct btsdio_data *data;
+	struct hci_dev *hdev;
+	struct sdio_func_tuple *tuple = func->tuples;
+	int err;
+
+	BT_DBG("func %p id %p class 0x%04x", func, id, func->class);
+
+	while (tuple) {
+		BT_DBG("code 0x%x size %d", tuple->code, tuple->size);
+		tuple = tuple->next;
+	}
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	data->func = func;
+
+	INIT_WORK(&data->work, btsdio_work);
+
+	skb_queue_head_init(&data->txq);
+
+	hdev = hci_alloc_dev();
+	if (!hdev) {
+		kfree(data);
+		return -ENOMEM;
+	}
+
+	hdev->type = HCI_SDIO;
+	hdev->driver_data = data;
+
+	data->hdev = hdev;
+
+	SET_HCIDEV_DEV(hdev, &func->dev);
+
+	hdev->open     = btsdio_open;
+	hdev->close    = btsdio_close;
+	hdev->flush    = btsdio_flush;
+	hdev->send     = btsdio_send_frame;
+	hdev->destruct = btsdio_destruct;
+
+	hdev->owner = THIS_MODULE;
+
+	err = hci_register_dev(hdev);
+	if (err < 0) {
+		hci_free_dev(hdev);
+		kfree(data);
+		return err;
+	}
+
+	sdio_set_drvdata(func, data);
+
+	return 0;
+}
+
+static void btsdio_remove(struct sdio_func *func)
+{
+	struct btsdio_data *data = sdio_get_drvdata(func);
+	struct hci_dev *hdev;
+
+	BT_DBG("func %p", func);
+
+	if (!data)
+		return;
+
+	hdev = data->hdev;
+
+	sdio_set_drvdata(func, NULL);
+
+	hci_unregister_dev(hdev);
+
+	hci_free_dev(hdev);
+}
+
+static struct sdio_driver btsdio_driver = {
+	.name		= "btsdio",
+	.probe		= btsdio_probe,
+	.remove		= btsdio_remove,
+	.id_table	= btsdio_table,
+};
+
+static int __init btsdio_init(void)
+{
+	BT_INFO("Generic Bluetooth SDIO driver ver %s", VERSION);
+
+	return sdio_register_driver(&btsdio_driver);
+}
+
+static void __exit btsdio_exit(void)
+{
+	sdio_unregister_driver(&btsdio_driver);
+}
+
+module_init(btsdio_init);
+module_exit(btsdio_exit);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Generic Bluetooth SDIO driver ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index d7d2ea0d86a..08f48d577ab 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -294,10 +294,7 @@ static irqreturn_t btuart_interrupt(int irq, void *dev_inst)
 	int boguscount = 0;
 	int iir, lsr;
 
-	if (!info || !info->hdev) {
-		BT_ERR("Call of irq %d for unknown device", irq);
-		return IRQ_NONE;
-	}
+	BUG_ON(!info->hdev);
 
 	iobase = info->p_dev->io.BasePort1;
 
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
new file mode 100644
index 00000000000..12e108914f1
--- /dev/null
+++ b/drivers/bluetooth/btusb.c
@@ -0,0 +1,564 @@
+/*
+ *
+ *  Generic Bluetooth USB driver
+ *
+ *  Copyright (C) 2005-2007  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+
+#include <linux/usb.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+//#define CONFIG_BT_HCIBTUSB_DEBUG
+#ifndef CONFIG_BT_HCIBTUSB_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "0.1"
+
+static struct usb_device_id btusb_table[] = {
+	/* Generic Bluetooth USB device */
+	{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
+
+	{ }	/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, btusb_table);
+
+static struct usb_device_id blacklist_table[] = {
+	{ }	/* Terminating entry */
+};
+
+#define BTUSB_INTR_RUNNING	0
+#define BTUSB_BULK_RUNNING	1
+
+struct btusb_data {
+	struct hci_dev       *hdev;
+	struct usb_device    *udev;
+
+	spinlock_t lock;
+
+	unsigned long flags;
+
+	struct work_struct work;
+
+	struct usb_anchor tx_anchor;
+	struct usb_anchor intr_anchor;
+	struct usb_anchor bulk_anchor;
+
+	struct usb_endpoint_descriptor *intr_ep;
+	struct usb_endpoint_descriptor *bulk_tx_ep;
+	struct usb_endpoint_descriptor *bulk_rx_ep;
+};
+
+static void btusb_intr_complete(struct urb *urb)
+{
+	struct hci_dev *hdev = urb->context;
+	struct btusb_data *data = hdev->driver_data;
+	int err;
+
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return;
+
+	if (urb->status == 0) {
+		if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
+						urb->transfer_buffer,
+						urb->actual_length) < 0) {
+			BT_ERR("%s corrupted event packet", hdev->name);
+			hdev->stat.err_rx++;
+		}
+	}
+
+	if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
+		return;
+
+	usb_anchor_urb(urb, &data->intr_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p failed to resubmit (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+	}
+}
+
+static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+	struct urb *urb;
+	unsigned char *buf;
+	unsigned int pipe;
+	int err, size;
+
+	BT_DBG("%s", hdev->name);
+
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!urb)
+		return -ENOMEM;
+
+	size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+
+	buf = kmalloc(size, GFP_ATOMIC);
+	if (!buf) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
+
+	pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
+
+	usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+						btusb_intr_complete, hdev,
+						data->intr_ep->bInterval);
+
+	urb->transfer_flags |= URB_FREE_BUFFER;
+
+	usb_anchor_urb(urb, &data->intr_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+		kfree(buf);
+	}
+
+	usb_free_urb(urb);
+
+	return err;
+}
+
+static void btusb_bulk_complete(struct urb *urb)
+{
+	struct hci_dev *hdev = urb->context;
+	struct btusb_data *data = hdev->driver_data;
+	int err;
+
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return;
+
+	if (urb->status == 0) {
+		if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
+						urb->transfer_buffer,
+						urb->actual_length) < 0) {
+			BT_ERR("%s corrupted ACL packet", hdev->name);
+			hdev->stat.err_rx++;
+		}
+	}
+
+	if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
+		return;
+
+	usb_anchor_urb(urb, &data->bulk_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p failed to resubmit (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+	}
+}
+
+static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+	struct urb *urb;
+	unsigned char *buf;
+	unsigned int pipe;
+	int err, size;
+
+	BT_DBG("%s", hdev->name);
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb)
+		return -ENOMEM;
+
+	size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize);
+
+	buf = kmalloc(size, GFP_KERNEL);
+	if (!buf) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
+
+	pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
+
+	usb_fill_bulk_urb(urb, data->udev, pipe,
+					buf, size, btusb_bulk_complete, hdev);
+
+	urb->transfer_flags |= URB_FREE_BUFFER;
+
+	usb_anchor_urb(urb, &data->bulk_anchor);
+
+	err = usb_submit_urb(urb, GFP_KERNEL);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+		kfree(buf);
+	}
+
+	usb_free_urb(urb);
+
+	return err;
+}
+
+static void btusb_tx_complete(struct urb *urb)
+{
+	struct sk_buff *skb = urb->context;
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		goto done;
+
+	if (!urb->status)
+		hdev->stat.byte_tx += urb->transfer_buffer_length;
+	else
+		hdev->stat.err_tx++;
+
+done:
+	kfree(urb->setup_packet);
+
+	kfree_skb(skb);
+}
+
+static int btusb_open(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
+		return 0;
+
+	err = btusb_submit_intr_urb(hdev);
+	if (err < 0) {
+		clear_bit(BTUSB_INTR_RUNNING, &hdev->flags);
+		clear_bit(HCI_RUNNING, &hdev->flags);
+	}
+
+	return err;
+}
+
+static int btusb_close(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+	usb_kill_anchored_urbs(&data->bulk_anchor);
+
+	clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+	usb_kill_anchored_urbs(&data->intr_anchor);
+
+	return 0;
+}
+
+static int btusb_flush(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	usb_kill_anchored_urbs(&data->tx_anchor);
+
+	return 0;
+}
+
+static int btusb_send_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+	struct btusb_data *data = hdev->driver_data;
+	struct usb_ctrlrequest *dr;
+	struct urb *urb;
+	unsigned int pipe;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return -EBUSY;
+
+	switch (bt_cb(skb)->pkt_type) {
+	case HCI_COMMAND_PKT:
+		urb = usb_alloc_urb(0, GFP_ATOMIC);
+		if (!urb)
+			return -ENOMEM;
+
+		dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+		if (!dr) {
+			usb_free_urb(urb);
+			return -ENOMEM;
+		}
+
+		dr->bRequestType = USB_TYPE_CLASS;
+		dr->bRequest     = 0;
+		dr->wIndex       = 0;
+		dr->wValue       = 0;
+		dr->wLength      = __cpu_to_le16(skb->len);
+
+		pipe = usb_sndctrlpipe(data->udev, 0x00);
+
+		usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+				skb->data, skb->len, btusb_tx_complete, skb);
+
+		hdev->stat.cmd_tx++;
+		break;
+
+	case HCI_ACLDATA_PKT:
+		urb = usb_alloc_urb(0, GFP_ATOMIC);
+		if (!urb)
+			return -ENOMEM;
+
+		pipe = usb_sndbulkpipe(data->udev,
+					data->bulk_tx_ep->bEndpointAddress);
+
+		usb_fill_bulk_urb(urb, data->udev, pipe,
+				skb->data, skb->len, btusb_tx_complete, skb);
+
+		hdev->stat.acl_tx++;
+		break;
+
+	case HCI_SCODATA_PKT:
+		hdev->stat.sco_tx++;
+		kfree_skb(skb);
+		return 0;
+
+	default:
+		return -EILSEQ;
+	}
+
+	usb_anchor_urb(urb, &data->tx_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed", hdev->name, urb);
+		kfree(urb->setup_packet);
+		usb_unanchor_urb(urb);
+	}
+
+	usb_free_urb(urb);
+
+	return err;
+}
+
+static void btusb_destruct(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+
+	BT_DBG("%s", hdev->name);
+
+	kfree(data);
+}
+
+static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
+{
+	struct btusb_data *data = hdev->driver_data;
+
+	BT_DBG("%s evt %d", hdev->name, evt);
+
+	if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL)
+		schedule_work(&data->work);
+}
+
+static void btusb_work(struct work_struct *work)
+{
+	struct btusb_data *data = container_of(work, struct btusb_data, work);
+	struct hci_dev *hdev = data->hdev;
+
+	if (hdev->conn_hash.acl_num == 0) {
+		clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+		usb_kill_anchored_urbs(&data->bulk_anchor);
+		return;
+	}
+
+	if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+		if (btusb_submit_bulk_urb(hdev) < 0)
+			clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+		else
+			btusb_submit_bulk_urb(hdev);
+	}
+}
+
+static int btusb_probe(struct usb_interface *intf,
+				const struct usb_device_id *id)
+{
+	struct usb_endpoint_descriptor *ep_desc;
+	struct btusb_data *data;
+	struct hci_dev *hdev;
+	int i, err;
+
+	BT_DBG("intf %p id %p", intf, id);
+
+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+		return -ENODEV;
+
+	if (!id->driver_info) {
+		const struct usb_device_id *match;
+		match = usb_match_id(intf, blacklist_table);
+		if (match)
+			id = match;
+	}
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+		ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+		if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
+			data->intr_ep = ep_desc;
+			continue;
+		}
+
+		if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+			data->bulk_tx_ep = ep_desc;
+			continue;
+		}
+
+		if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+			data->bulk_rx_ep = ep_desc;
+			continue;
+		}
+	}
+
+	if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
+		kfree(data);
+		return -ENODEV;
+	}
+
+	data->udev = interface_to_usbdev(intf);
+
+	spin_lock_init(&data->lock);
+
+	INIT_WORK(&data->work, btusb_work);
+
+	init_usb_anchor(&data->tx_anchor);
+	init_usb_anchor(&data->intr_anchor);
+	init_usb_anchor(&data->bulk_anchor);
+
+	hdev = hci_alloc_dev();
+	if (!hdev) {
+		kfree(data);
+		return -ENOMEM;
+	}
+
+	hdev->type = HCI_USB;
+	hdev->driver_data = data;
+
+	data->hdev = hdev;
+
+	SET_HCIDEV_DEV(hdev, &intf->dev);
+
+	hdev->open     = btusb_open;
+	hdev->close    = btusb_close;
+	hdev->flush    = btusb_flush;
+	hdev->send     = btusb_send_frame;
+	hdev->destruct = btusb_destruct;
+	hdev->notify   = btusb_notify;
+
+	hdev->owner = THIS_MODULE;
+
+	set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
+
+	err = hci_register_dev(hdev);
+	if (err < 0) {
+		hci_free_dev(hdev);
+		kfree(data);
+		return err;
+	}
+
+	usb_set_intfdata(intf, data);
+
+	return 0;
+}
+
+static void btusb_disconnect(struct usb_interface *intf)
+{
+	struct btusb_data *data = usb_get_intfdata(intf);
+	struct hci_dev *hdev;
+
+	BT_DBG("intf %p", intf);
+
+	if (!data)
+		return;
+
+	hdev = data->hdev;
+
+	usb_set_intfdata(intf, NULL);
+
+	hci_unregister_dev(hdev);
+
+	hci_free_dev(hdev);
+}
+
+static struct usb_driver btusb_driver = {
+	.name		= "btusb",
+	.probe		= btusb_probe,
+	.disconnect	= btusb_disconnect,
+	.id_table	= btusb_table,
+};
+
+static int __init btusb_init(void)
+{
+	BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);
+
+	return usb_register(&btusb_driver);
+}
+
+static void __exit btusb_exit(void)
+{
+	usb_deregister(&btusb_driver);
+}
+
+module_init(btusb_init);
+module_exit(btusb_exit);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 7f9c54b9964..dae45cdf02b 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -298,10 +298,7 @@ static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
 	int boguscount = 0;
 	int iir, lsr;
 
-	if (!info || !info->hdev) {
-		BT_ERR("Call of irq %d for unknown device", irq);
-		return IRQ_NONE;
-	}
+	BUG_ON(!info->hdev);
 
 	iobase = info->p_dev->io.BasePort1;
 
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index d66064ccb31..696f7528f02 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -237,7 +237,8 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
 	if (hciextn && chan == 5) {
 		struct hci_command_hdr *hdr = (struct hci_command_hdr *) data;
 
-		if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == OGF_VENDOR_CMD) {
+		/* Vendor specific commands */
+		if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == 0x3f) {
 			u8 desc = *(data + HCI_COMMAND_HDR_SIZE);
 			if ((desc & 0xf0) == 0xc0) {
 				data += HCI_COMMAND_HDR_SIZE + 1;
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 6055b9c0ac0..e68821d074b 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -549,7 +549,10 @@ static int __init hci_uart_init(void)
 #ifdef CONFIG_BT_HCIUART_BCSP
 	bcsp_init();
 #endif
-	
+#ifdef CONFIG_BT_HCIUART_LL
+	ll_init();
+#endif
+
 	return 0;
 }
 
@@ -563,6 +566,9 @@ static void __exit hci_uart_exit(void)
 #ifdef CONFIG_BT_HCIUART_BCSP
 	bcsp_deinit();
 #endif
+#ifdef CONFIG_BT_HCIUART_LL
+	ll_deinit();
+#endif
 
 	/* Release tty registration of line discipline */
 	if ((err = tty_unregister_ldisc(N_HCI)))
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
new file mode 100644
index 00000000000..8c3e62a17b4
--- /dev/null
+++ b/drivers/bluetooth/hci_ll.c
@@ -0,0 +1,531 @@
+/*
+ *  Texas Instruments' Bluetooth HCILL UART protocol
+ *
+ *  HCILL (HCI Low Level) is a Texas Instruments' power management
+ *  protocol extension to H4.
+ *
+ *  Copyright (C) 2007 Texas Instruments, Inc.
+ *
+ *  Written by Ohad Ben-Cohen <ohad@bencohen.org>
+ *
+ *  Acknowledgements:
+ *  This file is based on hci_h4.c, which was written
+ *  by Maxim Krasnyansky and Marcel Holtmann.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ptrace.h>
+#include <linux/poll.h>
+
+#include <linux/slab.h>
+#include <linux/tty.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/signal.h>
+#include <linux/ioctl.h>
+#include <linux/skbuff.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "hci_uart.h"
+
+/* HCILL commands */
+#define HCILL_GO_TO_SLEEP_IND	0x30
+#define HCILL_GO_TO_SLEEP_ACK	0x31
+#define HCILL_WAKE_UP_IND	0x32
+#define HCILL_WAKE_UP_ACK	0x33
+
+/* HCILL receiver States */
+#define HCILL_W4_PACKET_TYPE	0
+#define HCILL_W4_EVENT_HDR	1
+#define HCILL_W4_ACL_HDR	2
+#define HCILL_W4_SCO_HDR	3
+#define HCILL_W4_DATA		4
+
+/* HCILL states */
+enum hcill_states_e {
+	HCILL_ASLEEP,
+	HCILL_ASLEEP_TO_AWAKE,
+	HCILL_AWAKE,
+	HCILL_AWAKE_TO_ASLEEP
+};
+
+struct hcill_cmd {
+	u8 cmd;
+} __attribute__((packed));
+
+struct ll_struct {
+	unsigned long rx_state;
+	unsigned long rx_count;
+	struct sk_buff *rx_skb;
+	struct sk_buff_head txq;
+	spinlock_t hcill_lock;		/* HCILL state lock	*/
+	unsigned long hcill_state;	/* HCILL power state	*/
+	struct sk_buff_head tx_wait_q;	/* HCILL wait queue	*/
+};
+
+/*
+ * Builds and sends an HCILL command packet.
+ * These are very simple packets with only 1 cmd byte
+ */
+static int send_hcill_cmd(u8 cmd, struct hci_uart *hu)
+{
+	int err = 0;
+	struct sk_buff *skb = NULL;
+	struct ll_struct *ll = hu->priv;
+	struct hcill_cmd *hcill_packet;
+
+	BT_DBG("hu %p cmd 0x%x", hu, cmd);
+
+	/* allocate packet */
+	skb = bt_skb_alloc(1, GFP_ATOMIC);
+	if (!skb) {
+		BT_ERR("cannot allocate memory for HCILL packet");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/* prepare packet */
+	hcill_packet = (struct hcill_cmd *) skb_put(skb, 1);
+	hcill_packet->cmd = cmd;
+	skb->dev = (void *) hu->hdev;
+
+	/* send packet */
+	skb_queue_tail(&ll->txq, skb);
+out:
+	return err;
+}
+
+/* Initialize protocol */
+static int ll_open(struct hci_uart *hu)
+{
+	struct ll_struct *ll;
+
+	BT_DBG("hu %p", hu);
+
+	ll = kzalloc(sizeof(*ll), GFP_ATOMIC);
+	if (!ll)
+		return -ENOMEM;
+
+	skb_queue_head_init(&ll->txq);
+	skb_queue_head_init(&ll->tx_wait_q);
+	spin_lock_init(&ll->hcill_lock);
+
+	ll->hcill_state = HCILL_AWAKE;
+
+	hu->priv = ll;
+
+	return 0;
+}
+
+/* Flush protocol data */
+static int ll_flush(struct hci_uart *hu)
+{
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p", hu);
+
+	skb_queue_purge(&ll->tx_wait_q);
+	skb_queue_purge(&ll->txq);
+
+	return 0;
+}
+
+/* Close protocol */
+static int ll_close(struct hci_uart *hu)
+{
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p", hu);
+
+	skb_queue_purge(&ll->tx_wait_q);
+	skb_queue_purge(&ll->txq);
+
+	if (ll->rx_skb)
+		kfree_skb(ll->rx_skb);
+
+	hu->priv = NULL;
+
+	kfree(ll);
+
+	return 0;
+}
+
+/*
+ * internal function, which does common work of the device wake up process:
+ * 1. places all pending packets (waiting in tx_wait_q list) in txq list.
+ * 2. changes internal state to HCILL_AWAKE.
+ * Note: assumes that hcill_lock spinlock is taken,
+ * shouldn't be called otherwise!
+ */
+static void __ll_do_awake(struct ll_struct *ll)
+{
+	struct sk_buff *skb = NULL;
+
+	while ((skb = skb_dequeue(&ll->tx_wait_q)))
+		skb_queue_tail(&ll->txq, skb);
+
+	ll->hcill_state = HCILL_AWAKE;
+}
+
+/*
+ * Called upon a wake-up-indication from the device
+ */
+static void ll_device_want_to_wakeup(struct hci_uart *hu)
+{
+	unsigned long flags;
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p", hu);
+
+	/* lock hcill state */
+	spin_lock_irqsave(&ll->hcill_lock, flags);
+
+	switch (ll->hcill_state) {
+	case HCILL_ASLEEP:
+		/* acknowledge device wake up */
+		if (send_hcill_cmd(HCILL_WAKE_UP_ACK, hu) < 0) {
+			BT_ERR("cannot acknowledge device wake up");
+			goto out;
+		}
+		break;
+	case HCILL_ASLEEP_TO_AWAKE:
+		/*
+		 * this state means that a wake-up-indication
+		 * is already on its way to the device,
+		 * and will serve as the required wake-up-ack
+		 */
+		BT_DBG("dual wake-up-indication");
+		break;
+	default:
+		/* any other state are illegal */
+		BT_ERR("received HCILL_WAKE_UP_IND in state %ld", ll->hcill_state);
+		break;
+	}
+
+	/* send pending packets and change state to HCILL_AWAKE */
+	__ll_do_awake(ll);
+
+out:
+	spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+	/* actually send the packets */
+	hci_uart_tx_wakeup(hu);
+}
+
+/*
+ * Called upon a sleep-indication from the device
+ */
+static void ll_device_want_to_sleep(struct hci_uart *hu)
+{
+	unsigned long flags;
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p", hu);
+
+	/* lock hcill state */
+	spin_lock_irqsave(&ll->hcill_lock, flags);
+
+	/* sanity check */
+	if (ll->hcill_state != HCILL_AWAKE)
+		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) {
+		BT_ERR("cannot acknowledge device sleep");
+		goto out;
+	}
+
+	/* update state */
+	ll->hcill_state = HCILL_ASLEEP;
+
+out:
+	spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+	/* actually send the sleep ack packet */
+	hci_uart_tx_wakeup(hu);
+}
+
+/*
+ * Called upon wake-up-acknowledgement from the device
+ */
+static void ll_device_woke_up(struct hci_uart *hu)
+{
+	unsigned long flags;
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p", hu);
+
+	/* lock hcill state */
+	spin_lock_irqsave(&ll->hcill_lock, flags);
+
+	/* sanity check */
+	if (ll->hcill_state != HCILL_ASLEEP_TO_AWAKE)
+		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);
+
+	spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+	/* actually send the packets */
+	hci_uart_tx_wakeup(hu);
+}
+
+/* Enqueue frame for transmittion (padding, crc, etc) */
+/* may be called from two simultaneous tasklets */
+static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb)
+{
+	unsigned long flags = 0;
+	struct ll_struct *ll = hu->priv;
+
+	BT_DBG("hu %p skb %p", hu, skb);
+
+	/* Prepend skb with frame type */
+	memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+
+	/* lock hcill state */
+	spin_lock_irqsave(&ll->hcill_lock, flags);
+
+	/* act according to current state */
+	switch (ll->hcill_state) {
+	case HCILL_AWAKE:
+		BT_DBG("device awake, sending normally");
+		skb_queue_tail(&ll->txq, skb);
+		break;
+	case HCILL_ASLEEP:
+		BT_DBG("device asleep, waking up and queueing packet");
+		/* save packet for later */
+		skb_queue_tail(&ll->tx_wait_q, skb);
+		/* awake device */
+		if (send_hcill_cmd(HCILL_WAKE_UP_IND, hu) < 0) {
+			BT_ERR("cannot wake up device");
+			break;
+		}
+		ll->hcill_state = HCILL_ASLEEP_TO_AWAKE;
+		break;
+	case HCILL_ASLEEP_TO_AWAKE:
+		BT_DBG("device waking up, queueing packet");
+		/* transient state; just keep packet for later */
+		skb_queue_tail(&ll->tx_wait_q, skb);
+		break;
+	default:
+		BT_ERR("illegal hcill state: %ld (losing packet)", ll->hcill_state);
+		kfree_skb(skb);
+		break;
+	}
+
+	spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+	return 0;
+}
+
+static inline int ll_check_data_len(struct ll_struct *ll, int len)
+{
+	register int room = skb_tailroom(ll->rx_skb);
+
+	BT_DBG("len %d room %d", len, room);
+
+	if (!len) {
+		hci_recv_frame(ll->rx_skb);
+	} else if (len > room) {
+		BT_ERR("Data length is too large");
+		kfree_skb(ll->rx_skb);
+	} else {
+		ll->rx_state = HCILL_W4_DATA;
+		ll->rx_count = len;
+		return len;
+	}
+
+	ll->rx_state = HCILL_W4_PACKET_TYPE;
+	ll->rx_skb   = NULL;
+	ll->rx_count = 0;
+
+	return 0;
+}
+
+/* Recv data */
+static int ll_recv(struct hci_uart *hu, void *data, int count)
+{
+	struct ll_struct *ll = hu->priv;
+	register char *ptr;
+	struct hci_event_hdr *eh;
+	struct hci_acl_hdr   *ah;
+	struct hci_sco_hdr   *sh;
+	register int len, type, dlen;
+
+	BT_DBG("hu %p count %d rx_state %ld rx_count %ld", hu, count, ll->rx_state, ll->rx_count);
+
+	ptr = data;
+	while (count) {
+		if (ll->rx_count) {
+			len = min_t(unsigned int, ll->rx_count, count);
+			memcpy(skb_put(ll->rx_skb, len), ptr, len);
+			ll->rx_count -= len; count -= len; ptr += len;
+
+			if (ll->rx_count)
+				continue;
+
+			switch (ll->rx_state) {
+			case HCILL_W4_DATA:
+				BT_DBG("Complete data");
+				hci_recv_frame(ll->rx_skb);
+
+				ll->rx_state = HCILL_W4_PACKET_TYPE;
+				ll->rx_skb = NULL;
+				continue;
+
+			case HCILL_W4_EVENT_HDR:
+				eh = (struct hci_event_hdr *) ll->rx_skb->data;
+
+				BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen);
+
+				ll_check_data_len(ll, eh->plen);
+				continue;
+
+			case HCILL_W4_ACL_HDR:
+				ah = (struct hci_acl_hdr *) ll->rx_skb->data;
+				dlen = __le16_to_cpu(ah->dlen);
+
+				BT_DBG("ACL header: dlen %d", dlen);
+
+				ll_check_data_len(ll, dlen);
+				continue;
+
+			case HCILL_W4_SCO_HDR:
+				sh = (struct hci_sco_hdr *) ll->rx_skb->data;
+
+				BT_DBG("SCO header: dlen %d", sh->dlen);
+
+				ll_check_data_len(ll, sh->dlen);
+				continue;
+			}
+		}
+
+		/* HCILL_W4_PACKET_TYPE */
+		switch (*ptr) {
+		case HCI_EVENT_PKT:
+			BT_DBG("Event packet");
+			ll->rx_state = HCILL_W4_EVENT_HDR;
+			ll->rx_count = HCI_EVENT_HDR_SIZE;
+			type = HCI_EVENT_PKT;
+			break;
+
+		case HCI_ACLDATA_PKT:
+			BT_DBG("ACL packet");
+			ll->rx_state = HCILL_W4_ACL_HDR;
+			ll->rx_count = HCI_ACL_HDR_SIZE;
+			type = HCI_ACLDATA_PKT;
+			break;
+
+		case HCI_SCODATA_PKT:
+			BT_DBG("SCO packet");
+			ll->rx_state = HCILL_W4_SCO_HDR;
+			ll->rx_count = HCI_SCO_HDR_SIZE;
+			type = HCI_SCODATA_PKT;
+			break;
+
+		/* HCILL signals */
+		case HCILL_GO_TO_SLEEP_IND:
+			BT_DBG("HCILL_GO_TO_SLEEP_IND packet");
+			ll_device_want_to_sleep(hu);
+			ptr++; count--;
+			continue;
+
+		case HCILL_GO_TO_SLEEP_ACK:
+			/* shouldn't happen */
+			BT_ERR("received HCILL_GO_TO_SLEEP_ACK (in state %ld)", ll->hcill_state);
+			ptr++; count--;
+			continue;
+
+		case HCILL_WAKE_UP_IND:
+			BT_DBG("HCILL_WAKE_UP_IND packet");
+			ll_device_want_to_wakeup(hu);
+			ptr++; count--;
+			continue;
+
+		case HCILL_WAKE_UP_ACK:
+			BT_DBG("HCILL_WAKE_UP_ACK packet");
+			ll_device_woke_up(hu);
+			ptr++; count--;
+			continue;
+
+		default:
+			BT_ERR("Unknown HCI packet type %2.2x", (__u8)*ptr);
+			hu->hdev->stat.err_rx++;
+			ptr++; count--;
+			continue;
+		};
+
+		ptr++; count--;
+
+		/* Allocate packet */
+		ll->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+		if (!ll->rx_skb) {
+			BT_ERR("Can't allocate mem for new packet");
+			ll->rx_state = HCILL_W4_PACKET_TYPE;
+			ll->rx_count = 0;
+			return 0;
+		}
+
+		ll->rx_skb->dev = (void *) hu->hdev;
+		bt_cb(ll->rx_skb)->pkt_type = type;
+	}
+
+	return count;
+}
+
+static struct sk_buff *ll_dequeue(struct hci_uart *hu)
+{
+	struct ll_struct *ll = hu->priv;
+	return skb_dequeue(&ll->txq);
+}
+
+static struct hci_uart_proto llp = {
+	.id		= HCI_UART_LL,
+	.open		= ll_open,
+	.close		= ll_close,
+	.recv		= ll_recv,
+	.enqueue	= ll_enqueue,
+	.dequeue	= ll_dequeue,
+	.flush		= ll_flush,
+};
+
+int ll_init(void)
+{
+	int err = hci_uart_register_proto(&llp);
+
+	if (!err)
+		BT_INFO("HCILL protocol initialized");
+	else
+		BT_ERR("HCILL protocol registration failed");
+
+	return err;
+}
+
+int ll_deinit(void)
+{
+	return hci_uart_unregister_proto(&llp);
+}
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 1097ce72393..50113db06b9 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -33,12 +33,13 @@
 #define HCIUARTGETDEVICE	_IOR('U', 202, int)
 
 /* UART protocols */
-#define HCI_UART_MAX_PROTO	4
+#define HCI_UART_MAX_PROTO	5
 
 #define HCI_UART_H4	0
 #define HCI_UART_BCSP	1
 #define HCI_UART_3WIRE	2
 #define HCI_UART_H4DS	3
+#define HCI_UART_LL	4
 
 struct hci_uart;
 
@@ -85,3 +86,8 @@ int h4_deinit(void);
 int bcsp_init(void);
 int bcsp_deinit(void);
 #endif
+
+#ifdef CONFIG_BT_HCIUART_LL
+int ll_init(void);
+int ll_deinit(void);
+#endif
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index ed53aaab4c0..ae419736158 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -471,7 +471,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	len = max(skb->len, ETH_ZLEN);
-	queue = skb->queue_mapping;
+	queue = skb_get_queue_mapping(skb);
 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
 	netif_stop_subqueue(dev, queue);
 #else
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index ed1f9bbb2a3..112ab079ce7 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -3103,31 +3103,12 @@ static int niu_alloc_tx_ring_info(struct niu *np,
 
 static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp)
 {
-	u16 bs;
+	u16 bss;
 
-	switch (PAGE_SIZE) {
-	case 4 * 1024:
-	case 8 * 1024:
-	case 16 * 1024:
-	case 32 * 1024:
-		rp->rbr_block_size = PAGE_SIZE;
-		rp->rbr_blocks_per_page = 1;
-		break;
+	bss = min(PAGE_SHIFT, 15);
 
-	default:
-		if (PAGE_SIZE % (32 * 1024) == 0)
-			bs = 32 * 1024;
-		else if (PAGE_SIZE % (16 * 1024) == 0)
-			bs = 16 * 1024;
-		else if (PAGE_SIZE % (8 * 1024) == 0)
-			bs = 8 * 1024;
-		else if (PAGE_SIZE % (4 * 1024) == 0)
-			bs = 4 * 1024;
-		else
-			BUG();
-		rp->rbr_block_size = bs;
-		rp->rbr_blocks_per_page = PAGE_SIZE / bs;
-	}
+	rp->rbr_block_size = 1 << bss;
+	rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss);
 
 	rp->rbr_sizes[0] = 256;
 	rp->rbr_sizes[1] = 1024;
@@ -7902,12 +7883,7 @@ static int __init niu_init(void)
 {
 	int err = 0;
 
-	BUILD_BUG_ON((PAGE_SIZE < 4 * 1024) ||
-		     ((PAGE_SIZE > 32 * 1024) &&
-		      ((PAGE_SIZE % (32 * 1024)) != 0 &&
-		       (PAGE_SIZE % (16 * 1024)) != 0 &&
-		       (PAGE_SIZE % (8 * 1024)) != 0 &&
-		       (PAGE_SIZE % (4 * 1024)) != 0)));
+	BUILD_BUG_ON(PAGE_SIZE < 4 * 1024);
 
 	niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT);
 
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 014dc2cfe4d..09440d783e6 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -64,8 +64,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.84"
-#define DRV_MODULE_RELDATE	"October 12, 2007"
+#define DRV_MODULE_VERSION	"3.85"
+#define DRV_MODULE_RELDATE	"October 18, 2007"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -200,6 +200,7 @@ static struct pci_device_id tg3_pci_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
+	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 	{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
@@ -5028,10 +5029,7 @@ static int tg3_poll_fw(struct tg3 *tp)
 /* Save PCI command register before chip reset */
 static void tg3_save_pci_state(struct tg3 *tp)
 {
-	u32 val;
-
-	pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
-	tp->pci_cmd = val;
+	pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
 }
 
 /* Restore PCI state after chip reset */
@@ -5054,7 +5052,7 @@ static void tg3_restore_pci_state(struct tg3 *tp)
 		       PCISTATE_ALLOW_APE_SHMEM_WR;
 	pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
 
-	pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
+	pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
 
 	if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
 		pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
@@ -10820,9 +10818,24 @@ out_not_found:
 		strcpy(tp->board_part_number, "none");
 }
 
+static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
+{
+	u32 val;
+
+	if (tg3_nvram_read_swab(tp, offset, &val) ||
+	    (val & 0xfc000000) != 0x0c000000 ||
+	    tg3_nvram_read_swab(tp, offset + 4, &val) ||
+	    val != 0)
+		return 0;
+
+	return 1;
+}
+
 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
 {
 	u32 val, offset, start;
+	u32 ver_offset;
+	int i, bcnt;
 
 	if (tg3_nvram_read_swab(tp, 0, &val))
 		return;
@@ -10835,29 +10848,71 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
 		return;
 
 	offset = tg3_nvram_logical_addr(tp, offset);
-	if (tg3_nvram_read_swab(tp, offset, &val))
+
+	if (!tg3_fw_img_is_valid(tp, offset) ||
+	    tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
 		return;
 
-	if ((val & 0xfc000000) == 0x0c000000) {
-		u32 ver_offset, addr;
-		int i;
+	offset = offset + ver_offset - start;
+	for (i = 0; i < 16; i += 4) {
+		if (tg3_nvram_read(tp, offset + i, &val))
+			return;
 
-		if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
-		    tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+		val = le32_to_cpu(val);
+		memcpy(tp->fw_ver + i, &val, 4);
+	}
+
+	if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
+	     (tp->tg3_flags & TG3_FLG3_ENABLE_APE))
+		return;
+
+	for (offset = TG3_NVM_DIR_START;
+	     offset < TG3_NVM_DIR_END;
+	     offset += TG3_NVM_DIRENT_SIZE) {
+		if (tg3_nvram_read_swab(tp, offset, &val))
 			return;
 
-		if (val != 0)
+		if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
+			break;
+	}
+
+	if (offset == TG3_NVM_DIR_END)
+		return;
+
+	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+		start = 0x08000000;
+	else if (tg3_nvram_read_swab(tp, offset - 4, &start))
+		return;
+
+	if (tg3_nvram_read_swab(tp, offset + 4, &offset) ||
+	    !tg3_fw_img_is_valid(tp, offset) ||
+	    tg3_nvram_read_swab(tp, offset + 8, &val))
+		return;
+
+	offset += val - start;
+
+	bcnt = strlen(tp->fw_ver);
+
+	tp->fw_ver[bcnt++] = ',';
+	tp->fw_ver[bcnt++] = ' ';
+
+	for (i = 0; i < 4; i++) {
+		if (tg3_nvram_read(tp, offset, &val))
 			return;
 
-		addr = offset + ver_offset - start;
-		for (i = 0; i < 16; i += 4) {
-			if (tg3_nvram_read(tp, addr + i, &val))
-				return;
+		val = le32_to_cpu(val);
+		offset += sizeof(val);
 
-			val = cpu_to_le32(val);
-			memcpy(tp->fw_ver + i, &val, 4);
+		if (bcnt > TG3_VER_SIZE - sizeof(val)) {
+			memcpy(&tp->fw_ver[bcnt], &val, TG3_VER_SIZE - bcnt);
+			break;
 		}
+
+		memcpy(&tp->fw_ver[bcnt], &val, sizeof(val));
+		bcnt += sizeof(val);
 	}
+
+	tp->fw_ver[TG3_VER_SIZE - 1] = 0;
 }
 
 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6dbdad2b8f8..1d5b2a3dd29 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1540,6 +1540,12 @@
 #define TG3_EEPROM_MAGIC_HW		0xabcd
 #define TG3_EEPROM_MAGIC_HW_MSK		0xffff
 
+#define TG3_NVM_DIR_START		0x18
+#define TG3_NVM_DIR_END			0x78
+#define TG3_NVM_DIRENT_SIZE		0xc
+#define TG3_NVM_DIRTYPE_SHIFT		24
+#define TG3_NVM_DIRTYPE_ASFINI		1
+
 /* 32K Window into NIC internal memory */
 #define NIC_SRAM_WIN_BASE		0x00008000
 
@@ -2415,10 +2421,11 @@ struct tg3 {
 #define PHY_REV_BCM5411_X0		0x1 /* Found on Netgear GA302T */
 
 	u32				led_ctrl;
-	u32				pci_cmd;
+	u16				pci_cmd;
 
 	char				board_part_number[24];
-	char				fw_ver[16];
+#define TG3_VER_SIZE 32
+	char				fw_ver[TG3_VER_SIZE];
 	u32				nic_sram_data_cfg;
 	u32				pci_clock_ctrl;
 	struct pci_dev			*pdev_peer;