Merge branch 'master' into for-upstream

Conflicts:

	Documentation/ABI/testing/sysfs-bus-usb
	drivers/Makefile

142 files changed, 8808 insertions, 2121 deletions

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 07228721caf..06dd114910d 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -344,7 +344,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
 				__func__, sarb->len, vcc);
 		/* discard cells already received */
 		skb_trim(sarb, 0);
-		UDSL_ASSERT(sarb->tail + ATM_CELL_PAYLOAD <= sarb->end);
+		UDSL_ASSERT(instance, sarb->tail + ATM_CELL_PAYLOAD <= sarb->end);
 	}
 
 	memcpy(skb_tail_pointer(sarb), source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD);
@@ -432,7 +432,7 @@ static void usbatm_extract_cells(struct usbatm_data *instance,
 		unsigned char *cell_buf = instance->cell_buf;
 		unsigned int space_left = stride - buf_usage;
 
-		UDSL_ASSERT(buf_usage <= stride);
+		UDSL_ASSERT(instance, buf_usage <= stride);
 
 		if (avail_data >= space_left) {
 			/* add new data and process cell */
@@ -475,7 +475,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance,
 	unsigned int stride = instance->tx_channel.stride;
 
 	vdbg("%s: skb->len=%d, avail_space=%u", __func__, skb->len, avail_space);
-	UDSL_ASSERT(!(avail_space % stride));
+	UDSL_ASSERT(instance, !(avail_space % stride));
 
 	for (bytes_written = 0; bytes_written < avail_space && ctrl->len;
 	     bytes_written += stride, target += stride) {
@@ -547,7 +547,7 @@ static void usbatm_rx_process(unsigned long data)
 				if (!urb->iso_frame_desc[i].status) {
 					unsigned int actual_length = urb->iso_frame_desc[i].actual_length;
 
-					UDSL_ASSERT(actual_length <= packet_size);
+					UDSL_ASSERT(instance, actual_length <= packet_size);
 
 					if (!merge_length)
 						merge_start = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
@@ -640,14 +640,13 @@ static void usbatm_cancel_send(struct usbatm_data *instance,
 
 	atm_dbg(instance, "%s entered\n", __func__);
 	spin_lock_irq(&instance->sndqueue.lock);
-	for (skb = instance->sndqueue.next, n = skb->next;
-	     skb != (struct sk_buff *)&instance->sndqueue;
-	     skb = n, n = skb->next)
+	skb_queue_walk_safe(&instance->sndqueue, skb, n) {
 		if (UDSL_SKB(skb)->atm.vcc == vcc) {
 			atm_dbg(instance, "%s: popping skb 0x%p\n", __func__, skb);
 			__skb_unlink(skb, &instance->sndqueue);
 			usbatm_pop(vcc, skb);
 		}
+	}
 	spin_unlock_irq(&instance->sndqueue.lock);
 
 	tasklet_disable(&instance->tx_channel.tasklet);
@@ -1189,7 +1188,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
 		struct urb *urb;
 		unsigned int iso_packets = usb_pipeisoc(channel->endpoint) ? channel->buf_size / channel->packet_size : 0;
 
-		UDSL_ASSERT(!usb_pipeisoc(channel->endpoint) || usb_pipein(channel->endpoint));
+		UDSL_ASSERT(instance, !usb_pipeisoc(channel->endpoint) || usb_pipein(channel->endpoint));
 
 		urb = usb_alloc_urb(iso_packets, GFP_KERNEL);
 		if (!urb) {
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h
index e6887c6cf3c..f6f4508a9d4 100644
--- a/drivers/usb/atm/usbatm.h
+++ b/drivers/usb/atm/usbatm.h
@@ -40,9 +40,15 @@
 */
 
 #ifdef DEBUG
-#define UDSL_ASSERT(x)	BUG_ON(!(x))
+#define UDSL_ASSERT(instance, x)	BUG_ON(!(x))
 #else
-#define UDSL_ASSERT(x)	do { if (!(x)) warn("failed assertion '%s' at line %d", __stringify(x), __LINE__); } while(0)
+#define UDSL_ASSERT(instance, x)					\
+	do {	\
+		if (!(x))						\
+			dev_warn(&(instance)->usb_intf->dev,		\
+				 "failed assertion '%s' at line %d",	\
+				 __stringify(x), __LINE__);		\
+	} while(0)
 #endif
 
 #define usb_err(instance, format, arg...)	\
diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c
index 8472543eee8..17d167bbd2d 100644
--- a/drivers/usb/atm/xusbatm.c
+++ b/drivers/usb/atm/xusbatm.c
@@ -193,7 +193,7 @@ static int __init xusbatm_init(void)
 	    num_vendor != num_product ||
 	    num_vendor != num_rx_endpoint ||
 	    num_vendor != num_tx_endpoint) {
-		warn("malformed module parameters");
+		printk(KERN_WARNING "xusbatm: malformed module parameters\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/class/Kconfig b/drivers/usb/class/Kconfig
index 66f17ed88cb..2519e320098 100644
--- a/drivers/usb/class/Kconfig
+++ b/drivers/usb/class/Kconfig
@@ -40,3 +40,13 @@ config USB_WDM
 	  To compile this driver as a module, choose M here: the
 	  module will be called cdc-wdm.
 
+config USB_TMC
+	tristate "USB Test and Measurement Class support"
+	depends on USB
+	help
+	  Say Y here if you want to connect a USB device that follows
+	  the USB.org specification for USB Test and Measurement devices
+	  to your computer's USB port.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbtmc.
diff --git a/drivers/usb/class/Makefile b/drivers/usb/class/Makefile
index 535d59a3060..32e85277b5c 100644
--- a/drivers/usb/class/Makefile
+++ b/drivers/usb/class/Makefile
@@ -6,3 +6,4 @@
 obj-$(CONFIG_USB_ACM)		+= cdc-acm.o
 obj-$(CONFIG_USB_PRINTER)	+= usblp.o
 obj-$(CONFIG_USB_WDM)		+= cdc-wdm.o
+obj-$(CONFIG_USB_TMC)		+= usbtmc.o
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index c257453fa9d..fab23ee8702 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -326,8 +326,8 @@ exit:
 	usb_mark_last_busy(acm->dev);
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
 	if (retval)
-		err ("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&urb->dev->dev, "%s - usb_submit_urb failed with "
+			"result %d", __func__, retval);
 }
 
 /* data interface returns incoming bytes, or we got unthrottled */
@@ -514,7 +514,7 @@ static void acm_waker(struct work_struct *waker)
 
 	rv = usb_autopm_get_interface(acm->control);
 	if (rv < 0) {
-		err("Autopm failure in %s", __func__);
+		dev_err(&acm->dev->dev, "Autopm failure in %s\n", __func__);
 		return;
 	}
 	if (acm->delayed_wb) {
@@ -924,7 +924,7 @@ static int acm_probe (struct usb_interface *intf,
 	
 	/* normal probing*/
 	if (!buffer) {
-		err("Weird descriptor references\n");
+		dev_err(&intf->dev, "Weird descriptor references\n");
 		return -EINVAL;
 	}
 
@@ -934,21 +934,24 @@ static int acm_probe (struct usb_interface *intf,
 			buflen = intf->cur_altsetting->endpoint->extralen;
 			buffer = intf->cur_altsetting->endpoint->extra;
 		} else {
-			err("Zero length descriptor references\n");
+			dev_err(&intf->dev,
+				"Zero length descriptor references\n");
 			return -EINVAL;
 		}
 	}
 
 	while (buflen > 0) {
 		if (buffer [1] != USB_DT_CS_INTERFACE) {
-			err("skipping garbage\n");
+			dev_err(&intf->dev, "skipping garbage\n");
 			goto next_desc;
 		}
 
 		switch (buffer [2]) {
 			case USB_CDC_UNION_TYPE: /* we've found it */
 				if (union_header) {
-					err("More than one union descriptor, skipping ...");
+					dev_err(&intf->dev, "More than one "
+						"union descriptor, "
+						"skipping ...\n");
 					goto next_desc;
 				}
 				union_header = (struct usb_cdc_union_desc *)
@@ -966,7 +969,9 @@ static int acm_probe (struct usb_interface *intf,
 				call_management_function = buffer[3];
 				call_interface_num = buffer[4];
 				if ((call_management_function & 3) != 3)
-					err("This device cannot do calls on its own. It is no modem.");
+					dev_err(&intf->dev, "This device "
+						"cannot do calls on its own. "
+						"It is no modem.\n");
 				break;
 			default:
 				/* there are LOTS more CDC descriptors that
@@ -1051,7 +1056,7 @@ skip_normal_probe:
 	for (minor = 0; minor < ACM_TTY_MINORS && acm_table[minor]; minor++);
 
 	if (minor == ACM_TTY_MINORS) {
-		err("no more free acm devices");
+		dev_err(&intf->dev, "no more free acm devices\n");
 		return -ENODEV;
 	}
 
@@ -1454,7 +1459,8 @@ static int __init acm_init(void)
 		return retval;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 }
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 7e8e1235e4e..7429f70b9d0 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -132,10 +132,12 @@ static void wdm_in_callback(struct urb *urb)
 				"nonzero urb status received: -ESHUTDOWN");
 			break;
 		case -EPIPE:
-			err("nonzero urb status received: -EPIPE");
+			dev_err(&desc->intf->dev,
+				"nonzero urb status received: -EPIPE\n");
 			break;
 		default:
-			err("Unexpected error %d", status);
+			dev_err(&desc->intf->dev,
+				"Unexpected error %d\n", status);
 			break;
 		}
 	}
@@ -170,16 +172,18 @@ static void wdm_int_callback(struct urb *urb)
 			return; /* unplug */
 		case -EPIPE:
 			set_bit(WDM_INT_STALL, &desc->flags);
-			err("Stall on int endpoint");
+			dev_err(&desc->intf->dev, "Stall on int endpoint\n");
 			goto sw; /* halt is cleared in work */
 		default:
-			err("nonzero urb status received: %d", status);
+			dev_err(&desc->intf->dev,
+				"nonzero urb status received: %d\n", status);
 			break;
 		}
 	}
 
 	if (urb->actual_length < sizeof(struct usb_cdc_notification)) {
-		err("wdm_int_callback - %d bytes", urb->actual_length);
+		dev_err(&desc->intf->dev, "wdm_int_callback - %d bytes\n",
+			urb->actual_length);
 		goto exit;
 	}
 
@@ -198,7 +202,8 @@ static void wdm_int_callback(struct urb *urb)
 		goto exit;
 	default:
 		clear_bit(WDM_POLL_RUNNING, &desc->flags);
-		err("unknown notification %d received: index %d len %d",
+		dev_err(&desc->intf->dev,
+			"unknown notification %d received: index %d len %d\n",
 			dr->bNotificationType, dr->wIndex, dr->wLength);
 		goto exit;
 	}
@@ -236,14 +241,16 @@ static void wdm_int_callback(struct urb *urb)
 sw:
 			rv = schedule_work(&desc->rxwork);
 			if (rv)
-				err("Cannot schedule work");
+				dev_err(&desc->intf->dev,
+					"Cannot schedule work\n");
 		}
 	}
 exit:
 	rv = usb_submit_urb(urb, GFP_ATOMIC);
 	if (rv)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, rv);
+		dev_err(&desc->intf->dev,
+			"%s - usb_submit_urb failed with result %d\n",
+			__func__, rv);
 
 }
 
@@ -353,7 +360,7 @@ static ssize_t wdm_write
 	if (rv < 0) {
 		kfree(buf);
 		clear_bit(WDM_IN_USE, &desc->flags);
-		err("Tx URB error: %d", rv);
+		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
 	} else {
 		dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
 			req->wIndex);
@@ -401,7 +408,8 @@ retry:
 			int t = desc->rerr;
 			desc->rerr = 0;
 			spin_unlock_irq(&desc->iuspin);
-			err("reading had resulted in %d", t);
+			dev_err(&desc->intf->dev,
+				"reading had resulted in %d\n", t);
 			rv = -EIO;
 			goto err;
 		}
@@ -440,7 +448,7 @@ retry:
 err:
 	mutex_unlock(&desc->rlock);
 	if (rv < 0)
-		err("wdm_read: exit error");
+		dev_err(&desc->intf->dev, "wdm_read: exit error\n");
 	return rv;
 }
 
@@ -450,7 +458,8 @@ static int wdm_flush(struct file *file, fl_owner_t id)
 
 	wait_event(desc->wait, !test_bit(WDM_IN_USE, &desc->flags));
 	if (desc->werr < 0)
-		err("Error in flush path: %d", desc->werr);
+		dev_err(&desc->intf->dev, "Error in flush path: %d\n",
+			desc->werr);
 
 	return desc->werr;
 }
@@ -502,7 +511,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 
 	rv = usb_autopm_get_interface(desc->intf);
 	if (rv < 0) {
-		err("Error autopm - %d", rv);
+		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);
 		goto out;
 	}
 	intf->needs_remote_wakeup = 1;
@@ -512,7 +521,8 @@ static int wdm_open(struct inode *inode, struct file *file)
 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);
 		if (rv < 0) {
 			desc->count--;
-			err("Error submitting int urb - %d", rv);
+			dev_err(&desc->intf->dev,
+				"Error submitting int urb - %d\n", rv);
 		}
 	} else {
 		rv = 0;
@@ -600,7 +610,7 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
 
 	while (buflen > 0) {
 		if (buffer [1] != USB_DT_CS_INTERFACE) {
-			err("skipping garbage");
+			dev_err(&intf->dev, "skipping garbage\n");
 			goto next_desc;
 		}
 
@@ -614,7 +624,8 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
 				"Finding maximum buffer length: %d", maxcom);
 			break;
 		default:
-			err("Ignoring extra header, type %d, length %d",
+			dev_err(&intf->dev,
+				"Ignoring extra header, type %d, length %d\n",
 				buffer[2], buffer[0]);
 			break;
 		}
@@ -772,7 +783,8 @@ static int recover_from_urb_loss(struct wdm_device *desc)
 	if (desc->count) {
 		rv = usb_submit_urb(desc->validity, GFP_NOIO);
 		if (rv < 0)
-			err("Error resume submitting int urb - %d", rv);
+			dev_err(&desc->intf->dev,
+				"Error resume submitting int urb - %d\n", rv);
 	}
 	return rv;
 }
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 0647164d36d..b5775af3ba2 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -593,8 +593,9 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				err = usblp_hp_channel_change_request(usblp,
 					arg, &newChannel);
 				if (err < 0) {
-					err("usblp%d: error = %d setting "
-						"HP channel",
+					dev_err(&usblp->dev->dev,
+						"usblp%d: error = %d setting "
+						"HP channel\n",
 						usblp->minor, err);
 					retval = -EIO;
 					goto done;
@@ -1076,15 +1077,16 @@ static int usblp_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
 {
 	struct usb_device *dev = interface_to_usbdev (intf);
-	struct usblp *usblp = NULL;
+	struct usblp *usblp;
 	int protocol;
 	int retval;
 
 	/* Malloc and start initializing usblp structure so we can use it
 	 * directly. */
-	if (!(usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL))) {
+	usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL);
+	if (!usblp) {
 		retval = -ENOMEM;
-		goto abort;
+		goto abort_ret;
 	}
 	usblp->dev = dev;
 	mutex_init(&usblp->wmut);
@@ -1179,12 +1181,11 @@ abort_intfdata:
 	usb_set_intfdata (intf, NULL);
 	device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
 abort:
-	if (usblp) {
-		kfree(usblp->readbuf);
-		kfree(usblp->statusbuf);
-		kfree(usblp->device_id_string);
-		kfree(usblp);
-	}
+	kfree(usblp->readbuf);
+	kfree(usblp->statusbuf);
+	kfree(usblp->device_id_string);
+	kfree(usblp);
+abort_ret:
 	return retval;
 }
 
@@ -1345,7 +1346,7 @@ static void usblp_disconnect(struct usb_interface *intf)
 	usb_deregister_dev(intf, &usblp_class);
 
 	if (!usblp || !usblp->dev) {
-		err("bogus disconnect");
+		dev_err(&intf->dev, "bogus disconnect\n");
 		BUG ();
 	}
 
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
new file mode 100644
index 00000000000..543811f6e6e
--- /dev/null
+++ b/drivers/usb/class/usbtmc.c
@@ -0,0 +1,1087 @@
+/**
+ * drivers/usb/class/usbtmc.c - USB Test & Measurment class driver
+ *
+ * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
+ * Copyright (C) 2008 Novell, Inc.
+ * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ * 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.
+ *
+ * The GNU General Public License is available at
+ * http://www.gnu.org/copyleft/gpl.html.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
+#include <linux/usb.h>
+#include <linux/usb/tmc.h>
+
+
+#define USBTMC_MINOR_BASE	176
+
+/*
+ * Size of driver internal IO buffer. Must be multiple of 4 and at least as
+ * large as wMaxPacketSize (which is usually 512 bytes).
+ */
+#define USBTMC_SIZE_IOBUFFER	2048
+
+/* Default USB timeout (in milliseconds) */
+#define USBTMC_TIMEOUT		10
+
+/*
+ * Maximum number of read cycles to empty bulk in endpoint during CLEAR and
+ * ABORT_BULK_IN requests. Ends the loop if (for whatever reason) a short
+ * packet is never read.
+ */
+#define USBTMC_MAX_READS_TO_CLEAR_BULK_IN	100
+
+static struct usb_device_id usbtmc_devices[] = {
+	{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
+	{ 0, } /* terminating entry */
+};
+
+/*
+ * This structure is the capabilities for the device
+ * See section 4.2.1.8 of the USBTMC specification for details.
+ */
+struct usbtmc_dev_capabilities {
+	__u8 interface_capabilities;
+	__u8 device_capabilities;
+	__u8 usb488_interface_capabilities;
+	__u8 usb488_device_capabilities;
+};
+
+/* This structure holds private data for each USBTMC device. One copy is
+ * allocated for each USBTMC device in the driver's probe function.
+ */
+struct usbtmc_device_data {
+	const struct usb_device_id *id;
+	struct usb_device *usb_dev;
+	struct usb_interface *intf;
+
+	unsigned int bulk_in;
+	unsigned int bulk_out;
+
+	u8 bTag;
+	u8 bTag_last_write;	/* needed for abort */
+	u8 bTag_last_read;	/* needed for abort */
+
+	/* attributes from the USB TMC spec for this device */
+	u8 TermChar;
+	bool TermCharEnabled;
+	bool auto_abort;
+
+	struct usbtmc_dev_capabilities	capabilities;
+	struct kref kref;
+	struct mutex io_mutex;	/* only one i/o function running at a time */
+};
+#define to_usbtmc_data(d) container_of(d, struct usbtmc_device_data, kref)
+
+/* Forward declarations */
+static struct usb_driver usbtmc_driver;
+
+static void usbtmc_delete(struct kref *kref)
+{
+	struct usbtmc_device_data *data = to_usbtmc_data(kref);
+
+	usb_put_dev(data->usb_dev);
+	kfree(data);
+}
+
+static int usbtmc_open(struct inode *inode, struct file *filp)
+{
+	struct usb_interface *intf;
+	struct usbtmc_device_data *data;
+	int retval = -ENODEV;
+
+	intf = usb_find_interface(&usbtmc_driver, iminor(inode));
+	if (!intf) {
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": can not find device for minor %d", iminor(inode));
+		goto exit;
+	}
+
+	data = usb_get_intfdata(intf);
+	kref_get(&data->kref);
+
+	/* Store pointer in file structure's private data field */
+	filp->private_data = data;
+
+exit:
+	return retval;
+}
+
+static int usbtmc_release(struct inode *inode, struct file *file)
+{
+	struct usbtmc_device_data *data = file->private_data;
+
+	kref_put(&data->kref, usbtmc_delete);
+	return 0;
+}
+
+static int usbtmc_ioctl_abort_bulk_in(struct usbtmc_device_data *data)
+{
+	char *buffer;
+	struct device *dev;
+	int rv;
+	int n;
+	int actual;
+	struct usb_host_interface *current_setting;
+	int max_size;
+
+	dev = &data->intf->dev;
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_ABORT_BULK_IN,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     data->bTag_last_read, data->bulk_in,
+			     buffer, 2, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_FAILED) {
+		rv = 0;
+		goto exit;
+	}
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_ABORT_BULK_IN returned %x\n",
+			buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	max_size = 0;
+	current_setting = data->intf->cur_altsetting;
+	for (n = 0; n < current_setting->desc.bNumEndpoints; n++)
+		if (current_setting->endpoint[n].desc.bEndpointAddress ==
+			data->bulk_in)
+			max_size = le16_to_cpu(current_setting->endpoint[n].
+						desc.wMaxPacketSize);
+
+	if (max_size == 0) {
+		dev_err(dev, "Couldn't get wMaxPacketSize\n");
+		rv = -EPERM;
+		goto exit;
+	}
+
+	dev_dbg(&data->intf->dev, "wMaxPacketSize is %d\n", max_size);
+
+	n = 0;
+
+	do {
+		dev_dbg(dev, "Reading from bulk in EP\n");
+
+		rv = usb_bulk_msg(data->usb_dev,
+				  usb_rcvbulkpipe(data->usb_dev,
+						  data->bulk_in),
+				  buffer, USBTMC_SIZE_IOBUFFER,
+				  &actual, USBTMC_TIMEOUT);
+
+		n++;
+
+		if (rv < 0) {
+			dev_err(dev, "usb_bulk_msg returned %d\n", rv);
+			goto exit;
+		}
+	} while ((actual == max_size) &&
+		 (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	n = 0;
+
+usbtmc_abort_bulk_in_status:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     0, data->bulk_in, buffer, 0x08,
+			     USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS) {
+		rv = 0;
+		goto exit;
+	}
+
+	if (buffer[0] != USBTMC_STATUS_PENDING) {
+		dev_err(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	if (buffer[1] == 1)
+		do {
+			dev_dbg(dev, "Reading from bulk in EP\n");
+
+			rv = usb_bulk_msg(data->usb_dev,
+					  usb_rcvbulkpipe(data->usb_dev,
+							  data->bulk_in),
+					  buffer, USBTMC_SIZE_IOBUFFER,
+					  &actual, USBTMC_TIMEOUT);
+
+			n++;
+
+			if (rv < 0) {
+				dev_err(dev, "usb_bulk_msg returned %d\n", rv);
+				goto exit;
+			}
+		} while ((actual = max_size) &&
+			 (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	goto usbtmc_abort_bulk_in_status;
+
+exit:
+	kfree(buffer);
+	return rv;
+
+}
+
+static int usbtmc_ioctl_abort_bulk_out(struct usbtmc_device_data *data)
+{
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+	int n;
+
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(8, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     data->bTag_last_write, data->bulk_out,
+			     buffer, 2, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_OUT returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_ABORT_BULK_OUT returned %x\n",
+			buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	n = 0;
+
+usbtmc_abort_bulk_out_check_status:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     0, data->bulk_out, buffer, 0x08,
+			     USBTMC_TIMEOUT);
+	n++;
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "CHECK_ABORT_BULK_OUT returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS)
+		goto usbtmc_abort_bulk_out_clear_halt;
+
+	if ((buffer[0] == USBTMC_STATUS_PENDING) &&
+	    (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN))
+		goto usbtmc_abort_bulk_out_check_status;
+
+	rv = -EPERM;
+	goto exit;
+
+usbtmc_abort_bulk_out_clear_halt:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_out, buffer,
+			     0, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static ssize_t usbtmc_read(struct file *filp, char __user *buf,
+			   size_t count, loff_t *f_pos)
+{
+	struct usbtmc_device_data *data;
+	struct device *dev;
+	unsigned long int n_characters;
+	u8 *buffer;
+	int actual;
+	int done;
+	int remaining;
+	int retval;
+	int this_part;
+
+	/* Get pointer to private data structure */
+	data = filp->private_data;
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	mutex_lock(&data->io_mutex);
+
+	remaining = count;
+	done = 0;
+
+	while (remaining > 0) {
+		if (remaining > USBTMC_SIZE_IOBUFFER - 12 - 3)
+			this_part = USBTMC_SIZE_IOBUFFER - 12 - 3;
+		else
+			this_part = remaining;
+
+		/* Setup IO buffer for DEV_DEP_MSG_IN message
+		 * Refer to class specs for details
+		 */
+		buffer[0] = 2;
+		buffer[1] = data->bTag;
+		buffer[2] = ~(data->bTag);
+		buffer[3] = 0; /* Reserved */
+		buffer[4] = (this_part - 12 - 3) & 255;
+		buffer[5] = ((this_part - 12 - 3) >> 8) & 255;
+		buffer[6] = ((this_part - 12 - 3) >> 16) & 255;
+		buffer[7] = ((this_part - 12 - 3) >> 24) & 255;
+		buffer[8] = data->TermCharEnabled * 2;
+		/* Use term character? */
+		buffer[9] = data->TermChar;
+		buffer[10] = 0; /* Reserved */
+		buffer[11] = 0; /* Reserved */
+
+		/* Send bulk URB */
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_sndbulkpipe(data->usb_dev,
+						      data->bulk_out),
+				      buffer, 12, &actual, USBTMC_TIMEOUT);
+
+		/* Store bTag (in case we need to abort) */
+		data->bTag_last_write = data->bTag;
+
+		/* Increment bTag -- and increment again if zero */
+		data->bTag++;
+		if (!data->bTag)
+			(data->bTag)++;
+
+		if (retval < 0) {
+			dev_err(dev, "usb_bulk_msg returned %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_out(data);
+			goto exit;
+		}
+
+		/* Send bulk URB */
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_rcvbulkpipe(data->usb_dev,
+						      data->bulk_in),
+				      buffer, USBTMC_SIZE_IOBUFFER, &actual,
+				      USBTMC_TIMEOUT);
+
+		/* Store bTag (in case we need to abort) */
+		data->bTag_last_read = data->bTag;
+
+		if (retval < 0) {
+			dev_err(dev, "Unable to read data, error %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_in(data);
+			goto exit;
+		}
+
+		/* How many characters did the instrument send? */
+		n_characters = buffer[4] +
+			       (buffer[5] << 8) +
+			       (buffer[6] << 16) +
+			       (buffer[7] << 24);
+
+		/* Copy buffer to user space */
+		if (copy_to_user(buf + done, &buffer[12], n_characters)) {
+			/* There must have been an addressing problem */
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		done += n_characters;
+		if (n_characters < USBTMC_SIZE_IOBUFFER)
+			remaining = 0;
+	}
+
+	/* Update file position value */
+	*f_pos = *f_pos + done;
+	retval = done;
+
+exit:
+	mutex_unlock(&data->io_mutex);
+	kfree(buffer);
+	return retval;
+}
+
+static ssize_t usbtmc_write(struct file *filp, const char __user *buf,
+			    size_t count, loff_t *f_pos)
+{
+	struct usbtmc_device_data *data;
+	u8 *buffer;
+	int retval;
+	int actual;
+	unsigned long int n_bytes;
+	int n;
+	int remaining;
+	int done;
+	int this_part;
+
+	data = filp->private_data;
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	mutex_lock(&data->io_mutex);
+
+	remaining = count;
+	done = 0;
+
+	while (remaining > 0) {
+		if (remaining > USBTMC_SIZE_IOBUFFER - 12) {
+			this_part = USBTMC_SIZE_IOBUFFER - 12;
+			buffer[8] = 0;
+		} else {
+			this_part = remaining;
+			buffer[8] = 1;
+		}
+
+		/* Setup IO buffer for DEV_DEP_MSG_OUT message */
+		buffer[0] = 1;
+		buffer[1] = data->bTag;
+		buffer[2] = ~(data->bTag);
+		buffer[3] = 0; /* Reserved */
+		buffer[4] = this_part & 255;
+		buffer[5] = (this_part >> 8) & 255;
+		buffer[6] = (this_part >> 16) & 255;
+		buffer[7] = (this_part >> 24) & 255;
+		/* buffer[8] is set above... */
+		buffer[9] = 0; /* Reserved */
+		buffer[10] = 0; /* Reserved */
+		buffer[11] = 0; /* Reserved */
+
+		if (copy_from_user(&buffer[12], buf + done, this_part)) {
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		n_bytes = 12 + this_part;
+		if (this_part % 4)
+			n_bytes += 4 - this_part % 4;
+			for (n = 12 + this_part; n < n_bytes; n++)
+				buffer[n] = 0;
+
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_sndbulkpipe(data->usb_dev,
+						      data->bulk_out),
+				      buffer, n_bytes, &actual, USBTMC_TIMEOUT);
+
+		data->bTag_last_write = data->bTag;
+		data->bTag++;
+
+		if (!data->bTag)
+			data->bTag++;
+
+		if (retval < 0) {
+			dev_err(&data->intf->dev,
+				"Unable to send data, error %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_out(data);
+			goto exit;
+		}
+
+		remaining -= this_part;
+		done += this_part;
+	}
+
+	retval = count;
+exit:
+	mutex_unlock(&data->io_mutex);
+	kfree(buffer);
+	return retval;
+}
+
+static int usbtmc_ioctl_clear(struct usbtmc_device_data *data)
+{
+	struct usb_host_interface *current_setting;
+	struct usb_endpoint_descriptor *desc;
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+	int n;
+	int actual;
+	int max_size;
+
+	dev = &data->intf->dev;
+
+	dev_dbg(dev, "Sending INITIATE_CLEAR request\n");
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_CLEAR,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 1, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_CLEAR returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_CLEAR returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	max_size = 0;
+	current_setting = data->intf->cur_altsetting;
+	for (n = 0; n < current_setting->desc.bNumEndpoints; n++) {
+		desc = &current_setting->endpoint[n].desc;
+		if (desc->bEndpointAddress == data->bulk_in)
+			max_size = le16_to_cpu(desc->wMaxPacketSize);
+	}
+
+	if (max_size == 0) {
+		dev_err(dev, "Couldn't get wMaxPacketSize\n");
+		rv = -EPERM;
+		goto exit;
+	}
+
+	dev_dbg(dev, "wMaxPacketSize is %d\n", max_size);
+
+	n = 0;
+
+usbtmc_clear_check_status:
+
+	dev_dbg(dev, "Sending CHECK_CLEAR_STATUS request\n");
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_CLEAR_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 2, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "CHECK_CLEAR_STATUS returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS)
+		goto usbtmc_clear_bulk_out_halt;
+
+	if (buffer[0] != USBTMC_STATUS_PENDING) {
+		dev_err(dev, "CHECK_CLEAR_STATUS returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	if (buffer[1] == 1)
+		do {
+			dev_dbg(dev, "Reading from bulk in EP\n");
+
+			rv = usb_bulk_msg(data->usb_dev,
+					  usb_rcvbulkpipe(data->usb_dev,
+							  data->bulk_in),
+					  buffer, USBTMC_SIZE_IOBUFFER,
+					  &actual, USBTMC_TIMEOUT);
+			n++;
+
+			if (rv < 0) {
+				dev_err(dev, "usb_control_msg returned %d\n",
+					rv);
+				goto exit;
+			}
+		} while ((actual == max_size) &&
+			  (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	goto usbtmc_clear_check_status;
+
+usbtmc_clear_bulk_out_halt:
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT,
+			     data->bulk_out, buffer, 0,
+			     USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int usbtmc_ioctl_clear_out_halt(struct usbtmc_device_data *data)
+{
+	u8 *buffer;
+	int rv;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_out,
+			     buffer, 0, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",
+			rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int usbtmc_ioctl_clear_in_halt(struct usbtmc_device_data *data)
+{
+	u8 *buffer;
+	int rv;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev, usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_in, buffer, 0,
+			     USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",
+			rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int get_capabilities(struct usbtmc_device_data *data)
+{
+	struct device *dev = &data->usb_dev->dev;
+	char *buffer;
+	int rv;
+
+	buffer = kmalloc(0x18, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev, usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_GET_CAPABILITIES,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 0x18, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		return rv;
+	}
+
+	dev_dbg(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
+	dev_dbg(dev, "Interface capabilities are %x\n", buffer[4]);
+	dev_dbg(dev, "Device capabilities are %x\n", buffer[5]);
+	dev_dbg(dev, "USB488 interface capabilities are %x\n", buffer[14]);
+	dev_dbg(dev, "USB488 device capabilities are %x\n", buffer[15]);
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
+		return -EPERM;
+	}
+
+	data->capabilities.interface_capabilities = buffer[4];
+	data->capabilities.device_capabilities = buffer[5];
+	data->capabilities.usb488_interface_capabilities = buffer[14];
+	data->capabilities.usb488_device_capabilities = buffer[15];
+
+	kfree(buffer);
+	return 0;
+}
+
+#define capability_attribute(name)					\
+static ssize_t show_##name(struct device *dev,				\
+			   struct device_attribute *attr, char *buf)	\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+									\
+	return sprintf(buf, "%d\n", data->capabilities.name);		\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
+
+capability_attribute(interface_capabilities);
+capability_attribute(device_capabilities);
+capability_attribute(usb488_interface_capabilities);
+capability_attribute(usb488_device_capabilities);
+
+static struct attribute *capability_attrs[] = {
+	&dev_attr_interface_capabilities.attr,
+	&dev_attr_device_capabilities.attr,
+	&dev_attr_usb488_interface_capabilities.attr,
+	&dev_attr_usb488_device_capabilities.attr,
+	NULL,
+};
+
+static struct attribute_group capability_attr_grp = {
+	.attrs = capability_attrs,
+};
+
+static ssize_t show_TermChar(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);
+
+	return sprintf(buf, "%c\n", data->TermChar);
+}
+
+static ssize_t store_TermChar(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);
+
+	if (count < 1)
+		return -EINVAL;
+	data->TermChar = buf[0];
+	return count;
+}
+static DEVICE_ATTR(TermChar, S_IRUGO, show_TermChar, store_TermChar);
+
+#define data_attribute(name)						\
+static ssize_t show_##name(struct device *dev,				\
+			   struct device_attribute *attr, char *buf)	\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+									\
+	return sprintf(buf, "%d\n", data->name);			\
+}									\
+static ssize_t store_##name(struct device *dev,				\
+			    struct device_attribute *attr,		\
+			    const char *buf, size_t count)		\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+	ssize_t result;							\
+	unsigned val;							\
+									\
+	result = sscanf(buf, "%u\n", &val);				\
+	if (result != 1)						\
+		result = -EINVAL;					\
+	data->name = val;						\
+	if (result < 0)							\
+		return result;						\
+	else								\
+		return count;						\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, show_##name, store_##name)
+
+data_attribute(TermCharEnabled);
+data_attribute(auto_abort);
+
+static struct attribute *data_attrs[] = {
+	&dev_attr_TermChar.attr,
+	&dev_attr_TermCharEnabled.attr,
+	&dev_attr_auto_abort.attr,
+	NULL,
+};
+
+static struct attribute_group data_attr_grp = {
+	.attrs = data_attrs,
+};
+
+static int usbtmc_ioctl_indicator_pulse(struct usbtmc_device_data *data)
+{
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INDICATOR_PULSE,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 0x01, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INDICATOR_PULSE returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INDICATOR_PULSE returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static long usbtmc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	struct usbtmc_device_data *data;
+	int retval = -EBADRQC;
+
+	data = file->private_data;
+	mutex_lock(&data->io_mutex);
+
+	switch (cmd) {
+	case USBTMC_IOCTL_CLEAR_OUT_HALT:
+		retval = usbtmc_ioctl_clear_out_halt(data);
+
+	case USBTMC_IOCTL_CLEAR_IN_HALT:
+		retval = usbtmc_ioctl_clear_in_halt(data);
+
+	case USBTMC_IOCTL_INDICATOR_PULSE:
+		retval = usbtmc_ioctl_indicator_pulse(data);
+
+	case USBTMC_IOCTL_CLEAR:
+		retval = usbtmc_ioctl_clear(data);
+
+	case USBTMC_IOCTL_ABORT_BULK_OUT:
+		retval = usbtmc_ioctl_abort_bulk_out(data);
+
+	case USBTMC_IOCTL_ABORT_BULK_IN:
+		retval = usbtmc_ioctl_abort_bulk_in(data);
+	}
+
+	mutex_unlock(&data->io_mutex);
+	return retval;
+}
+
+static struct file_operations fops = {
+	.owner		= THIS_MODULE,
+	.read		= usbtmc_read,
+	.write		= usbtmc_write,
+	.open		= usbtmc_open,
+	.release	= usbtmc_release,
+	.unlocked_ioctl	= usbtmc_ioctl,
+};
+
+static struct usb_class_driver usbtmc_class = {
+	.name =		"usbtmc%d",
+	.fops =		&fops,
+	.minor_base =	USBTMC_MINOR_BASE,
+};
+
+
+static int usbtmc_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
+{
+	struct usbtmc_device_data *data;
+	struct usb_host_interface *iface_desc;
+	struct usb_endpoint_descriptor *endpoint;
+	int n;
+	int retcode;
+
+	dev_dbg(&intf->dev, "%s called\n", __func__);
+
+	data = kmalloc(sizeof(struct usbtmc_device_data), GFP_KERNEL);
+	if (!data) {
+		dev_err(&intf->dev, "Unable to allocate kernel memory\n");
+		return -ENOMEM;
+	}
+
+	data->intf = intf;
+	data->id = id;
+	data->usb_dev = usb_get_dev(interface_to_usbdev(intf));
+	usb_set_intfdata(intf, data);
+	kref_init(&data->kref);
+	mutex_init(&data->io_mutex);
+
+	/* Initialize USBTMC bTag and other fields */
+	data->bTag	= 1;
+	data->TermCharEnabled = 0;
+	data->TermChar = '\n';
+
+	/* USBTMC devices have only one setting, so use that */
+	iface_desc = data->intf->cur_altsetting;
+
+	/* Find bulk in endpoint */
+	for (n = 0; n < iface_desc->desc.bNumEndpoints; n++) {
+		endpoint = &iface_desc->endpoint[n].desc;
+
+		if (usb_endpoint_is_bulk_in(endpoint)) {
+			data->bulk_in = endpoint->bEndpointAddress;
+			dev_dbg(&intf->dev, "Found bulk in endpoint at %u\n",
+				data->bulk_in);
+			break;
+		}
+	}
+
+	/* Find bulk out endpoint */
+	for (n = 0; n < iface_desc->desc.bNumEndpoints; n++) {
+		endpoint = &iface_desc->endpoint[n].desc;
+
+		if (usb_endpoint_is_bulk_out(endpoint)) {
+			data->bulk_out = endpoint->bEndpointAddress;
+			dev_dbg(&intf->dev, "Found Bulk out endpoint at %u\n",
+				data->bulk_out);
+			break;
+		}
+	}
+
+	retcode = get_capabilities(data);
+	if (retcode)
+		dev_err(&intf->dev, "can't read capabilities\n");
+	else
+		retcode = sysfs_create_group(&intf->dev.kobj,
+					     &capability_attr_grp);
+
+	retcode = sysfs_create_group(&intf->dev.kobj, &data_attr_grp);
+
+	retcode = usb_register_dev(intf, &usbtmc_class);
+	if (retcode) {
+		dev_err(&intf->dev, "Not able to get a minor"
+			" (base %u, slice default): %d\n", USBTMC_MINOR_BASE,
+			retcode);
+		goto error_register;
+	}
+	dev_dbg(&intf->dev, "Using minor number %d\n", intf->minor);
+
+	return 0;
+
+error_register:
+	sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp);
+	sysfs_remove_group(&intf->dev.kobj, &data_attr_grp);
+	kref_put(&data->kref, usbtmc_delete);
+	return retcode;
+}
+
+static void usbtmc_disconnect(struct usb_interface *intf)
+{
+	struct usbtmc_device_data *data;
+
+	dev_dbg(&intf->dev, "usbtmc_disconnect called\n");
+
+	data = usb_get_intfdata(intf);
+	usb_deregister_dev(intf, &usbtmc_class);
+	sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp);
+	sysfs_remove_group(&intf->dev.kobj, &data_attr_grp);
+	kref_put(&data->kref, usbtmc_delete);
+}
+
+static struct usb_driver usbtmc_driver = {
+	.name		= "usbtmc",
+	.id_table	= usbtmc_devices,
+	.probe		= usbtmc_probe,
+	.disconnect	= usbtmc_disconnect
+};
+
+static int __init usbtmc_init(void)
+{
+	int retcode;
+
+	retcode = usb_register(&usbtmc_driver);
+	if (retcode)
+		printk(KERN_ERR KBUILD_MODNAME": Unable to register driver\n");
+	return retcode;
+}
+module_init(usbtmc_init);
+
+static void __exit usbtmc_exit(void)
+{
+	usb_deregister(&usbtmc_driver);
+}
+module_exit(usbtmc_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index cc9f397e839..e1759d17ac5 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -134,5 +134,5 @@ config USB_OTG_BLACKLIST_HUB
 	  If you say Y here, then Linux will refuse to enumerate
 	  external hubs.  OTG hosts are allowed to reduce hardware
 	  and software costs by not supporting external hubs.  So
-	  are "Emedded Hosts" that don't offer OTG support.
+	  are "Embedded Hosts" that don't offer OTG support.
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 20290c5b156..2bccefebff1 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -413,7 +413,8 @@ static void driver_disconnect(struct usb_interface *intf)
 	if (likely(ifnum < 8*sizeof(ps->ifclaimed)))
 		clear_bit(ifnum, &ps->ifclaimed);
 	else
-		warn("interface number %u out of range", ifnum);
+		dev_warn(&intf->dev, "interface number %u out of range\n",
+			 ifnum);
 
 	usb_set_intfdata(intf, NULL);
 
@@ -624,6 +625,8 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	smp_wmb();
 	list_add_tail(&ps->list, &dev->filelist);
 	file->private_data = ps;
+	snoop(&dev->dev, "opened by process %d: %s\n", task_pid_nr(current),
+			current->comm);
  out:
 	if (ret) {
 		kfree(ps);
@@ -1729,9 +1732,9 @@ static int usb_classdev_add(struct usb_device *dev)
 {
 	struct device *cldev;
 
-	cldev = device_create_drvdata(usb_classdev_class, &dev->dev,
-				      dev->dev.devt, NULL, "usbdev%d.%d",
-				      dev->bus->busnum, dev->devnum);
+	cldev = device_create(usb_classdev_class, &dev->dev, dev->dev.devt,
+			      NULL, "usbdev%d.%d", dev->bus->busnum,
+			      dev->devnum);
 	if (IS_ERR(cldev))
 		return PTR_ERR(cldev);
 	dev->usb_classdev = cldev;
@@ -1774,19 +1777,20 @@ int __init usb_devio_init(void)
 	retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX,
 					"usb_device");
 	if (retval) {
-		err("unable to register minors for usb_device");
+		printk(KERN_ERR "Unable to register minors for usb_device\n");
 		goto out;
 	}
 	cdev_init(&usb_device_cdev, &usbdev_file_operations);
 	retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX);
 	if (retval) {
-		err("unable to get usb_device major %d", USB_DEVICE_MAJOR);
+		printk(KERN_ERR "Unable to get usb_device major %d\n",
+		       USB_DEVICE_MAJOR);
 		goto error_cdev;
 	}
 #ifdef CONFIG_USB_DEVICE_CLASS
 	usb_classdev_class = class_create(THIS_MODULE, "usb_device");
 	if (IS_ERR(usb_classdev_class)) {
-		err("unable to register usb_device class");
+		printk(KERN_ERR "Unable to register usb_device class\n");
 		retval = PTR_ERR(usb_classdev_class);
 		cdev_del(&usb_device_cdev);
 		usb_classdev_class = NULL;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 5a7fa6f0995..e935be7eb46 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1070,7 +1070,8 @@ static int autosuspend_check(struct usb_device *udev, int reschedule)
 				struct usb_driver *driver;
 
 				driver = to_usb_driver(intf->dev.driver);
-				if (!driver->reset_resume)
+				if (!driver->reset_resume ||
+				    intf->needs_remote_wakeup)
 					return -EOPNOTSUPP;
 			}
 		}
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 22912136fc1..946fae43d62 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -169,7 +169,8 @@ static int usb_endpoint_major_init(void)
 	error = alloc_chrdev_region(&dev, 0, MAX_ENDPOINT_MINORS,
 				    "usb_endpoint");
 	if (error) {
-		err("unable to get a dynamic major for usb endpoints");
+		printk(KERN_ERR "Unable to get a dynamic major for "
+		       "usb endpoints.\n");
 		return error;
 	}
 	usb_endpoint_major = MAJOR(dev);
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 6b1b229e38c..997e659ff69 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -86,7 +86,7 @@ static int init_usb_class(void)
 	usb_class->class = class_create(THIS_MODULE, "usb");
 	if (IS_ERR(usb_class->class)) {
 		result = IS_ERR(usb_class->class);
-		err("class_create failed for usb devices");
+		printk(KERN_ERR "class_create failed for usb devices\n");
 		kfree(usb_class);
 		usb_class = NULL;
 	}
@@ -115,7 +115,8 @@ int usb_major_init(void)
 
 	error = register_chrdev(USB_MAJOR, "usb", &usb_fops);
 	if (error)
-		err("unable to get major %d for usb devices", USB_MAJOR);
+		printk(KERN_ERR "Unable to get major %d for usb devices\n",
+		       USB_MAJOR);
 
 	return error;
 }
@@ -196,9 +197,9 @@ int usb_register_dev(struct usb_interface *intf,
 		++temp;
 	else
 		temp = name;
-	intf->usb_dev = device_create_drvdata(usb_class->class, &intf->dev,
-					      MKDEV(USB_MAJOR, minor), NULL,
-					      "%s", temp);
+	intf->usb_dev = device_create(usb_class->class, &intf->dev,
+				      MKDEV(USB_MAJOR, minor), NULL,
+				      "%s", temp);
 	if (IS_ERR(intf->usb_dev)) {
 		down_write(&minor_rwsem);
 		usb_minors[intf->minor] = NULL;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8ab389dca2b..fc9018e72a0 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -81,6 +81,10 @@
 
 /*-------------------------------------------------------------------------*/
 
+/* Keep track of which host controller drivers are loaded */
+unsigned long usb_hcds_loaded;
+EXPORT_SYMBOL_GPL(usb_hcds_loaded);
+
 /* host controllers we manage */
 LIST_HEAD (usb_bus_list);
 EXPORT_SYMBOL_GPL (usb_bus_list);
@@ -818,9 +822,8 @@ static int usb_register_bus(struct usb_bus *bus)
 	set_bit (busnum, busmap.busmap);
 	bus->busnum = busnum;
 
-	bus->dev = device_create_drvdata(usb_host_class, bus->controller,
-					 MKDEV(0, 0), bus,
-					 "usb_host%d", busnum);
+	bus->dev = device_create(usb_host_class, bus->controller, MKDEV(0, 0),
+				 bus, "usb_host%d", busnum);
 	result = PTR_ERR(bus->dev);
 	if (IS_ERR(bus->dev))
 		goto error_create_class_dev;
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index e710ce04e22..2dcde61c465 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -482,4 +482,10 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
  */
 extern struct rw_semaphore ehci_cf_port_reset_rwsem;
 
+/* Keep track of which host controller drivers are loaded */
+#define USB_UHCI_LOADED		0
+#define USB_OHCI_LOADED		1
+#define USB_EHCI_LOADED		2
+extern unsigned long usb_hcds_loaded;
+
 #endif /* __KERNEL__ */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d99963873e3..d73ce262c36 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -77,6 +77,7 @@ struct usb_hub {
 	unsigned		has_indicators:1;
 	u8			indicator[USB_MAXCHILDREN];
 	struct delayed_work	leds;
+	struct delayed_work	init_work;
 };
 
 
@@ -100,6 +101,15 @@ module_param (blinkenlights, bool, S_IRUGO);
 MODULE_PARM_DESC (blinkenlights, "true to cycle leds on hubs");
 
 /*
+ * Device SATA8000 FW1.0 from DATAST0R Technology Corp requires about
+ * 10 seconds to send reply for the initial 64-byte descriptor request.
+ */
+/* define initial 64-byte descriptor request timeout in milliseconds */
+static int initial_descriptor_timeout = USB_CTRL_GET_TIMEOUT;
+module_param(initial_descriptor_timeout, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(initial_descriptor_timeout, "initial 64-byte descriptor request timeout in milliseconds (default 5000 - 5.0 seconds)");
+
+/*
  * As of 2.6.10 we introduce a new USB device initialization scheme which
  * closely resembles the way Windows works.  Hopefully it will be compatible
  * with a wider range of devices than the old scheme.  However some previously
@@ -515,10 +525,14 @@ void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe)
 }
 EXPORT_SYMBOL_GPL(usb_hub_tt_clear_buffer);
 
-static void hub_power_on(struct usb_hub *hub)
+/* If do_delay is false, return the number of milliseconds the caller
+ * needs to delay.
+ */
+static unsigned hub_power_on(struct usb_hub *hub, bool do_delay)
 {
 	int port1;
 	unsigned pgood_delay = hub->descriptor->bPwrOn2PwrGood * 2;
+	unsigned delay;
 	u16 wHubCharacteristics =
 			le16_to_cpu(hub->descriptor->wHubCharacteristics);
 
@@ -537,7 +551,10 @@ static void hub_power_on(struct usb_hub *hub)
 		set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER);
 
 	/* Wait at least 100 msec for power to become stable */
-	msleep(max(pgood_delay, (unsigned) 100));
+	delay = max(pgood_delay, (unsigned) 100);
+	if (do_delay)
+		msleep(delay);
+	return delay;
 }
 
 static int hub_hub_status(struct usb_hub *hub,
@@ -599,21 +616,55 @@ static void hub_port_logical_disconnect(struct usb_hub *hub, int port1)
 }
 
 enum hub_activation_type {
-	HUB_INIT, HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME
+	HUB_INIT, HUB_INIT2, HUB_INIT3,
+	HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME,
 };
 
+static void hub_init_func2(struct work_struct *ws);
+static void hub_init_func3(struct work_struct *ws);
+
 static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 {
 	struct usb_device *hdev = hub->hdev;
 	int port1;
 	int status;
 	bool need_debounce_delay = false;
+	unsigned delay;
+
+	/* Continue a partial initialization */
+	if (type == HUB_INIT2)
+		goto init2;
+	if (type == HUB_INIT3)
+		goto init3;
 
 	/* After a resume, port power should still be on.
 	 * For any other type of activation, turn it on.
 	 */
-	if (type != HUB_RESUME)
-		hub_power_on(hub);
+	if (type != HUB_RESUME) {
+
+		/* Speed up system boot by using a delayed_work for the
+		 * hub's initial power-up delays.  This is pretty awkward
+		 * and the implementation looks like a home-brewed sort of
+		 * setjmp/longjmp, but it saves at least 100 ms for each
+		 * root hub (assuming usbcore is compiled into the kernel
+		 * rather than as a module).  It adds up.
+		 *
+		 * This can't be done for HUB_RESUME or HUB_RESET_RESUME
+		 * because for those activation types the ports have to be
+		 * operational when we return.  In theory this could be done
+		 * for HUB_POST_RESET, but it's easier not to.
+		 */
+		if (type == HUB_INIT) {
+			delay = hub_power_on(hub, false);
+			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func2);
+			schedule_delayed_work(&hub->init_work,
+					msecs_to_jiffies(delay));
+			return;		/* Continues at init2: below */
+		} else {
+			hub_power_on(hub, true);
+		}
+	}
+ init2:
 
 	/* Check each port and set hub->change_bits to let khubd know
 	 * which ports need attention.
@@ -692,9 +743,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	 * If any port-status changes do occur during this delay, khubd
 	 * will see them later and handle them normally.
 	 */
-	if (need_debounce_delay)
-		msleep(HUB_DEBOUNCE_STABLE);
-
+	if (need_debounce_delay) {
+		delay = HUB_DEBOUNCE_STABLE;
+
+		/* Don't do a long sleep inside a workqueue routine */
+		if (type == HUB_INIT2) {
+			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func3);
+			schedule_delayed_work(&hub->init_work,
+					msecs_to_jiffies(delay));
+			return;		/* Continues at init3: below */
+		} else {
+			msleep(delay);
+		}
+	}
+ init3:
 	hub->quiescing = 0;
 
 	status = usb_submit_urb(hub->urb, GFP_NOIO);
@@ -707,6 +769,21 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	kick_khubd(hub);
 }
 
+/* Implement the continuations for the delays above */
+static void hub_init_func2(struct work_struct *ws)
+{
+	struct usb_hub *hub = container_of(ws, struct usb_hub, init_work.work);
+
+	hub_activate(hub, HUB_INIT2);
+}
+
+static void hub_init_func3(struct work_struct *ws)
+{
+	struct usb_hub *hub = container_of(ws, struct usb_hub, init_work.work);
+
+	hub_activate(hub, HUB_INIT3);
+}
+
 enum hub_quiescing_type {
 	HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND
 };
@@ -716,6 +793,8 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
 	struct usb_device *hdev = hub->hdev;
 	int i;
 
+	cancel_delayed_work_sync(&hub->init_work);
+
 	/* khubd and related activity won't re-trigger */
 	hub->quiescing = 1;
 
@@ -1099,6 +1178,7 @@ descriptor_error:
 	hub->intfdev = &intf->dev;
 	hub->hdev = hdev;
 	INIT_DELAYED_WORK(&hub->leds, led_work);
+	INIT_DELAYED_WORK(&hub->init_work, NULL);
 	usb_get_intf(intf);
 
 	usb_set_intfdata (intf, hub);
@@ -2467,7 +2547,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 					USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
 					USB_DT_DEVICE << 8, 0,
 					buf, GET_DESCRIPTOR_BUFSIZE,
-					USB_CTRL_GET_TIMEOUT);
+					initial_descriptor_timeout);
 				switch (buf->bMaxPacketSize0) {
 				case 8: case 16: case 32: case 64: case 255:
 					if (buf->bDescriptorType ==
@@ -3035,7 +3115,7 @@ static void hub_events(void)
 					i);
 				clear_port_feature(hdev, i,
 					USB_PORT_FEAT_C_OVER_CURRENT);
-				hub_power_on(hub);
+				hub_power_on(hub, true);
 			}
 
 			if (portchange & USB_PORT_STAT_C_RESET) {
@@ -3070,7 +3150,7 @@ static void hub_events(void)
 				dev_dbg (hub_dev, "overcurrent change\n");
 				msleep(500);	/* Cool down */
 				clear_hub_feature(hdev, C_HUB_OVER_CURRENT);
-                        	hub_power_on(hub);
+                        	hub_power_on(hub, true);
 			}
 		}
 
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index db410e92c80..94632264dcc 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -97,7 +97,7 @@ enum {
 	Opt_err,
 };
 
-static match_table_t tokens = {
+static const match_table_t tokens = {
 	{Opt_devuid, "devuid=%u"},
 	{Opt_devgid, "devgid=%u"},
 	{Opt_devmode, "devmode=%o"},
@@ -180,8 +180,8 @@ static int parse_options(struct super_block *s, char *data)
 			listmode = option & S_IRWXUGO;
 			break;
 		default:
-			err("usbfs: unrecognised mount option \"%s\" "
-			    "or missing value\n", p);
+			printk(KERN_ERR "usbfs: unrecognised mount option "
+			       "\"%s\" or missing value\n", p);
 			return -EINVAL;
 		}
 	}
@@ -240,7 +240,9 @@ static void update_sb(struct super_block *sb)
 				update_special(bus);
 				break;
 			default:
-				warn("Unknown node %s mode %x found on remount!\n",bus->d_name.name,bus->d_inode->i_mode);
+				printk(KERN_WARNING "usbfs: Unknown node %s "
+				       "mode %x found on remount!\n",
+				       bus->d_name.name, bus->d_inode->i_mode);
 				break;
 			}
 		}
@@ -259,7 +261,7 @@ static int remount(struct super_block *sb, int *flags, char *data)
 		return 0;
 
 	if (parse_options(sb, data)) {
-		warn("usbfs: mount parameter error:");
+		printk(KERN_WARNING "usbfs: mount parameter error.\n");
 		return -EINVAL;
 	}
 
@@ -599,7 +601,7 @@ static int create_special_files (void)
 	/* create the devices special file */
 	retval = simple_pin_fs(&usb_fs_type, &usbfs_mount, &usbfs_mount_count);
 	if (retval) {
-		err ("Unable to get usbfs mount");
+		printk(KERN_ERR "Unable to get usbfs mount\n");
 		goto exit;
 	}
 
@@ -611,7 +613,7 @@ static int create_special_files (void)
 					       NULL, &usbfs_devices_fops,
 					       listuid, listgid);
 	if (devices_usbfs_dentry == NULL) {
-		err ("Unable to create devices usbfs file");
+		printk(KERN_ERR "Unable to create devices usbfs file\n");
 		retval = -ENODEV;
 		goto error_clean_mounts;
 	}
@@ -663,7 +665,7 @@ static void usbfs_add_bus(struct usb_bus *bus)
 	bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent,
 					    bus, NULL, busuid, busgid);
 	if (bus->usbfs_dentry == NULL) {
-		err ("error creating usbfs bus entry");
+		printk(KERN_ERR "Error creating usbfs bus entry\n");
 		return;
 	}
 }
@@ -694,7 +696,7 @@ static void usbfs_add_device(struct usb_device *dev)
 					    &usbdev_file_operations,
 					    devuid, devgid);
 	if (dev->usbfs_dentry == NULL) {
-		err ("error creating usbfs device entry");
+		printk(KERN_ERR "Error creating usbfs device entry\n");
 		return;
 	}
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 286b4431a09..887738577b2 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1204,7 +1204,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 
 	alt = usb_altnum_to_altsetting(iface, alternate);
 	if (!alt) {
-		warn("selecting invalid altsetting %d", alternate);
+		dev_warn(&dev->dev, "selecting invalid altsetting %d",
+			 alternate);
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 5e1f5d55bf0..f66fba11fbd 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -743,6 +743,29 @@ static ssize_t show_modalias(struct device *dev,
 }
 static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
 
+static ssize_t show_supports_autosuspend(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf;
+	struct usb_device *udev;
+	int ret;
+
+	intf = to_usb_interface(dev);
+	udev = interface_to_usbdev(intf);
+
+	usb_lock_device(udev);
+	/* Devices will be autosuspended even when an interface isn't claimed */
+	if (!intf->dev.driver ||
+			to_usb_driver(intf->dev.driver)->supports_autosuspend)
+		ret = sprintf(buf, "%u\n", 1);
+	else
+		ret = sprintf(buf, "%u\n", 0);
+	usb_unlock_device(udev);
+
+	return ret;
+}
+static DEVICE_ATTR(supports_autosuspend, S_IRUGO, show_supports_autosuspend, NULL);
+
 static struct attribute *intf_attrs[] = {
 	&dev_attr_bInterfaceNumber.attr,
 	&dev_attr_bAlternateSetting.attr,
@@ -751,6 +774,7 @@ static struct attribute *intf_attrs[] = {
 	&dev_attr_bInterfaceSubClass.attr,
 	&dev_attr_bInterfaceProtocol.attr,
 	&dev_attr_modalias.attr,
+	&dev_attr_supports_autosuspend.attr,
 	NULL,
 };
 static struct attribute_group intf_attr_grp = {
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 47111e88f79..f2638009a46 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -10,6 +10,8 @@
 
 #define to_urb(d) container_of(d, struct urb, kref)
 
+static DEFINE_SPINLOCK(usb_reject_lock);
+
 static void urb_destroy(struct kref *kref)
 {
 	struct urb *urb = to_urb(kref);
@@ -68,7 +70,7 @@ struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
 		iso_packets * sizeof(struct usb_iso_packet_descriptor),
 		mem_flags);
 	if (!urb) {
-		err("alloc_urb: kmalloc failed");
+		printk(KERN_ERR "alloc_urb: kmalloc failed\n");
 		return NULL;
 	}
 	usb_init_urb(urb);
@@ -127,6 +129,13 @@ void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor)
 	usb_get_urb(urb);
 	list_add_tail(&urb->anchor_list, &anchor->urb_list);
 	urb->anchor = anchor;
+
+	if (unlikely(anchor->poisoned)) {
+		spin_lock(&usb_reject_lock);
+		urb->reject++;
+		spin_unlock(&usb_reject_lock);
+	}
+
 	spin_unlock_irqrestore(&anchor->lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_anchor_urb);
@@ -398,7 +407,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 
 	/* fail if submitter gave bogus flags */
 	if (urb->transfer_flags != orig_flags) {
-		err("BOGUS urb flags, %x --> %x",
+		dev_err(&dev->dev, "BOGUS urb flags, %x --> %x\n",
 			orig_flags, urb->transfer_flags);
 		return -EINVAL;
 	}
@@ -544,25 +553,70 @@ EXPORT_SYMBOL_GPL(usb_unlink_urb);
  */
 void usb_kill_urb(struct urb *urb)
 {
-	static DEFINE_MUTEX(reject_mutex);
-
 	might_sleep();
 	if (!(urb && urb->dev && urb->ep))
 		return;
-	mutex_lock(&reject_mutex);
+	spin_lock_irq(&usb_reject_lock);
 	++urb->reject;
-	mutex_unlock(&reject_mutex);
+	spin_unlock_irq(&usb_reject_lock);
 
 	usb_hcd_unlink_urb(urb, -ENOENT);
 	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
 
-	mutex_lock(&reject_mutex);
+	spin_lock_irq(&usb_reject_lock);
 	--urb->reject;
-	mutex_unlock(&reject_mutex);
+	spin_unlock_irq(&usb_reject_lock);
 }
 EXPORT_SYMBOL_GPL(usb_kill_urb);
 
 /**
+ * usb_poison_urb - reliably kill a transfer and prevent further use of an URB
+ * @urb: pointer to URB describing a previously submitted request,
+ *	may be NULL
+ *
+ * This routine cancels an in-progress request.  It is guaranteed that
+ * upon return all completion handlers will have finished and the URB
+ * will be totally idle and cannot be reused.  These features make
+ * this an ideal way to stop I/O in a disconnect() callback.
+ * If the request has not already finished or been unlinked
+ * the completion handler will see urb->status == -ENOENT.
+ *
+ * After and while the routine runs, attempts to resubmit the URB will fail
+ * with error -EPERM.  Thus even if the URB's completion handler always
+ * tries to resubmit, it will not succeed and the URB will become idle.
+ *
+ * This routine may not be used in an interrupt context (such as a bottom
+ * half or a completion handler), or when holding a spinlock, or in other
+ * situations where the caller can't schedule().
+ */
+void usb_poison_urb(struct urb *urb)
+{
+	might_sleep();
+	if (!(urb && urb->dev && urb->ep))
+		return;
+	spin_lock_irq(&usb_reject_lock);
+	++urb->reject;
+	spin_unlock_irq(&usb_reject_lock);
+
+	usb_hcd_unlink_urb(urb, -ENOENT);
+	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
+}
+EXPORT_SYMBOL_GPL(usb_poison_urb);
+
+void usb_unpoison_urb(struct urb *urb)
+{
+	unsigned long flags;
+
+	if (!urb)
+		return;
+
+	spin_lock_irqsave(&usb_reject_lock, flags);
+	--urb->reject;
+	spin_unlock_irqrestore(&usb_reject_lock, flags);
+}
+EXPORT_SYMBOL_GPL(usb_unpoison_urb);
+
+/**
  * usb_kill_anchored_urbs - cancel transfer requests en masse
  * @anchor: anchor the requests are bound to
  *
@@ -589,6 +643,35 @@ void usb_kill_anchored_urbs(struct usb_anchor *anchor)
 }
 EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs);
 
+
+/**
+ * usb_poison_anchored_urbs - cease all traffic from an anchor
+ * @anchor: anchor the requests are bound to
+ *
+ * this allows all outstanding URBs to be poisoned starting
+ * from the back of the queue. Newly added URBs will also be
+ * poisoned
+ */
+void usb_poison_anchored_urbs(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+
+	spin_lock_irq(&anchor->lock);
+	anchor->poisoned = 1;
+	while (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.prev, struct urb,
+				    anchor_list);
+		/* we must make sure the URB isn't freed before we kill it*/
+		usb_get_urb(victim);
+		spin_unlock_irq(&anchor->lock);
+		/* this will unanchor the URB */
+		usb_poison_urb(victim);
+		usb_put_urb(victim);
+		spin_lock_irq(&anchor->lock);
+	}
+	spin_unlock_irq(&anchor->lock);
+}
+EXPORT_SYMBOL_GPL(usb_poison_anchored_urbs);
 /**
  * usb_unlink_anchored_urbs - asynchronously cancel transfer requests en masse
  * @anchor: anchor the requests are bound to
@@ -633,3 +716,73 @@ int usb_wait_anchor_empty_timeout(struct usb_anchor *anchor,
 				  msecs_to_jiffies(timeout));
 }
 EXPORT_SYMBOL_GPL(usb_wait_anchor_empty_timeout);
+
+/**
+ * usb_get_from_anchor - get an anchor's oldest urb
+ * @anchor: the anchor whose urb you want
+ *
+ * this will take the oldest urb from an anchor,
+ * unanchor and return it
+ */
+struct urb *usb_get_from_anchor(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+	unsigned long flags;
+
+	spin_lock_irqsave(&anchor->lock, flags);
+	if (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.next, struct urb,
+				    anchor_list);
+		usb_get_urb(victim);
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		usb_unanchor_urb(victim);
+	} else {
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		victim = NULL;
+	}
+
+	return victim;
+}
+
+EXPORT_SYMBOL_GPL(usb_get_from_anchor);
+
+/**
+ * usb_scuttle_anchored_urbs - unanchor all an anchor's urbs
+ * @anchor: the anchor whose urbs you want to unanchor
+ *
+ * use this to get rid of all an anchor's urbs
+ */
+void usb_scuttle_anchored_urbs(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+	unsigned long flags;
+
+	spin_lock_irqsave(&anchor->lock, flags);
+	while (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.prev, struct urb,
+				    anchor_list);
+		usb_get_urb(victim);
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		/* this may free the URB */
+		usb_unanchor_urb(victim);
+		usb_put_urb(victim);
+		spin_lock_irqsave(&anchor->lock, flags);
+	}
+	spin_unlock_irqrestore(&anchor->lock, flags);
+}
+
+EXPORT_SYMBOL_GPL(usb_scuttle_anchored_urbs);
+
+/**
+ * usb_anchor_empty - is an anchor empty
+ * @anchor: the anchor you want to query
+ *
+ * returns 1 if the anchor has no urbs associated with it
+ */
+int usb_anchor_empty(struct usb_anchor *anchor)
+{
+	return list_empty(&anchor->urb_list);
+}
+
+EXPORT_SYMBOL_GPL(usb_anchor_empty);
+
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index acc95b2ac6f..dd4cd5a5137 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -45,7 +45,7 @@ if USB_GADGET
 
 config USB_GADGET_DEBUG
 	boolean "Debugging messages (DEVELOPMENT)"
-	depends on USB_GADGET && DEBUG_KERNEL
+	depends on DEBUG_KERNEL
 	help
 	   Many controller and gadget drivers will print some debugging
 	   messages if you use this option to ask for those messages.
@@ -59,7 +59,7 @@ config USB_GADGET_DEBUG
 
 config USB_GADGET_DEBUG_FILES
 	boolean "Debugging information files (DEVELOPMENT)"
-	depends on USB_GADGET && PROC_FS
+	depends on PROC_FS
 	help
 	   Some of the drivers in the "gadget" framework can expose
 	   debugging information in files such as /proc/driver/udc
@@ -70,7 +70,7 @@ config USB_GADGET_DEBUG_FILES
 
 config USB_GADGET_DEBUG_FS
 	boolean "Debugging information files in debugfs (DEVELOPMENT)"
-	depends on USB_GADGET && DEBUG_FS
+	depends on DEBUG_FS
 	help
 	   Some of the drivers in the "gadget" framework can expose
 	   debugging information in files under /sys/kernel/debug/.
@@ -79,12 +79,36 @@ config USB_GADGET_DEBUG_FS
 	   Enable these files by choosing "Y" here.  If in doubt, or
 	   to conserve kernel memory, say "N".
 
+config USB_GADGET_VBUS_DRAW
+	int "Maximum VBUS Power usage (2-500 mA)"
+	range 2 500
+	default 2
+	help
+	   Some devices need to draw power from USB when they are
+	   configured, perhaps to operate circuitry or to recharge
+	   batteries.  This is in addition to any local power supply,
+	   such as an AC adapter or batteries.
+
+	   Enter the maximum power your device draws through USB, in
+	   milliAmperes.  The permitted range of values is 2 - 500 mA;
+	   0 mA would be legal, but can make some hosts misbehave.
+
+	   This value will be used except for system-specific gadget
+	   drivers that have more specific information.
+
 config	USB_GADGET_SELECTED
 	boolean
 
 #
 # USB Peripheral Controller Support
 #
+# The order here is alphabetical, except that integrated controllers go
+# before discrete ones so they will be the initial/default value:
+#   - integrated/SOC controllers first
+#   - licensed IP used in both SOC and discrete versions
+#   - discrete ones (including all PCI-only controllers)
+#   - debug/dummy gadget+hcd is last.
+#
 choice
 	prompt "USB Peripheral Controller"
 	depends on USB_GADGET
@@ -94,26 +118,27 @@ choice
 	   Many controller drivers are platform-specific; these
 	   often need board-specific hooks.
 
-config USB_GADGET_AMD5536UDC
-	boolean "AMD5536 UDC"
-	depends on PCI
-	select USB_GADGET_DUALSPEED
+#
+# Integrated controllers
+#
+
+config USB_GADGET_AT91
+	boolean "Atmel AT91 USB Device Port"
+	depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9
+	select USB_GADGET_SELECTED
 	help
-	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
-	   It is a USB Highspeed DMA capable USB device controller. Beside ep0
-	   it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
-	   The UDC port supports OTG operation, and may be used as a host port
-	   if it's not being used to implement peripheral or OTG roles.
+	   Many Atmel AT91 processors (such as the AT91RM2000) have a
+	   full speed USB Device Port with support for five configurable
+	   endpoints (plus endpoint zero).
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "amd5536udc" and force all
+	   dynamically linked module called "at91_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_AMD5536UDC
+config USB_AT91
 	tristate
-	depends on USB_GADGET_AMD5536UDC
+	depends on USB_GADGET_AT91
 	default USB_GADGET
-	select USB_GADGET_SELECTED
 
 config USB_GADGET_ATMEL_USBA
 	boolean "Atmel USBA"
@@ -150,28 +175,50 @@ config USB_FSL_USB2
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_GADGET_NET2280
-	boolean "NetChip 228x"
-	depends on PCI
-	select USB_GADGET_DUALSPEED
+config USB_GADGET_LH7A40X
+	boolean "LH7A40X"
+	depends on ARCH_LH7A40X
 	help
-	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
-	   supports both full and high speed USB 2.0 data transfers.  
-	   
-	   It has six configurable endpoints, as well as endpoint zero
-	   (for control transfers) and several endpoints with dedicated
-	   functions.
+	   This driver provides USB Device Controller driver for LH7A40x
+
+config USB_LH7A40X
+	tristate
+	depends on USB_GADGET_LH7A40X
+	default USB_GADGET
+	select USB_GADGET_SELECTED
+
+config USB_GADGET_OMAP
+	boolean "OMAP USB Device Controller"
+	depends on ARCH_OMAP
+	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_H4_OTG
+	help
+	   Many Texas Instruments OMAP processors have flexible full
+	   speed USB device controllers, with support for up to 30
+	   endpoints (plus endpoint zero).  This driver supports the
+	   controller in the OMAP 1611, and should work with controllers
+	   in other OMAP processors too, given minor tweaks.
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "net2280" and force all
+	   dynamically linked module called "omap_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_NET2280
+config USB_OMAP
 	tristate
-	depends on USB_GADGET_NET2280
+	depends on USB_GADGET_OMAP
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_OTG
+	boolean "OTG Support"
+	depends on USB_GADGET_OMAP && ARCH_OMAP_OTG && USB_OHCI_HCD
+	help
+	   The most notable feature of USB OTG is support for a
+	   "Dual-Role" device, which can act as either a device
+	   or a host.  The initial role choice can be changed
+	   later, when two dual-role devices talk to each other.
+
+	   Select this only if your OMAP board has a Mini-AB connector.
+
 config USB_GADGET_PXA25X
 	boolean "PXA 25x or IXP 4xx"
 	depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
@@ -203,34 +250,6 @@ config USB_PXA25X_SMALL
 	default y if USB_ETH
 	default y if USB_G_SERIAL
 
-config USB_GADGET_M66592
-	boolean "Renesas M66592 USB Peripheral Controller"
-	select USB_GADGET_DUALSPEED
-	help
-	   M66592 is a discrete USB peripheral controller chip that
-	   supports both full and high speed USB 2.0 data transfers.
-	   It has seven configurable endpoints, and endpoint zero.
-
-	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "m66592_udc" and force all
-	   gadget drivers to also be dynamically linked.
-
-config USB_M66592
-	tristate
-	depends on USB_GADGET_M66592
-	default USB_GADGET
-	select USB_GADGET_SELECTED
-
-config SUPERH_BUILT_IN_M66592
-	boolean "Enable SuperH built-in USB like the M66592"
-	depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
-	help
-	   SH7722 has USB like the M66592.
-
-	   The transfer rate is very slow when use "Ethernet Gadget".
-	   However, this problem is improved if change a value of
-	   NET_IP_ALIGN to 4.
-
 config USB_GADGET_PXA27X
 	boolean "PXA 27x"
 	depends on ARCH_PXA && PXA27x
@@ -251,40 +270,32 @@ config USB_PXA27X
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_GADGET_GOKU
-	boolean "Toshiba TC86C001 'Goku-S'"
-	depends on PCI
+config USB_GADGET_S3C2410
+	boolean "S3C2410 USB Device Controller"
+	depends on ARCH_S3C2410
 	help
-	   The Toshiba TC86C001 is a PCI device which includes controllers
-	   for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).
-	   
-	   The device controller has three configurable (bulk or interrupt)
-	   endpoints, plus endpoint zero (for control transfers).
+	  Samsung's S3C2410 is an ARM-4 processor with an integrated
+	  full speed USB 1.1 device controller.  It has 4 configurable
+	  endpoints, as well as endpoint zero (for control transfers).
 
-	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "goku_udc" and to force all
-	   gadget drivers to also be dynamically linked.
+	  This driver has been tested on the S3C2410, S3C2412, and
+	  S3C2440 processors.
 
-config USB_GOKU
+config USB_S3C2410
 	tristate
-	depends on USB_GADGET_GOKU
+	depends on USB_GADGET_S3C2410
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_S3C2410_DEBUG
+	boolean "S3C2410 udc debug messages"
+	depends on USB_GADGET_S3C2410
 
-config USB_GADGET_LH7A40X
-	boolean "LH7A40X"
-	depends on ARCH_LH7A40X
-	help
-    This driver provides USB Device Controller driver for LH7A40x
-
-config USB_LH7A40X
-	tristate
-	depends on USB_GADGET_LH7A40X
-	default USB_GADGET
-	select USB_GADGET_SELECTED
+#
+# Controllers available in both integrated and discrete versions
+#
 
-# built in ../musb along with host support
+# musb builds in ../musb along with host support
 config USB_GADGET_MUSB_HDRC
 	boolean "Inventra HDRC USB Peripheral (TI, ...)"
 	depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG)
@@ -294,76 +305,124 @@ config USB_GADGET_MUSB_HDRC
 	  This OTG-capable silicon IP is used in dual designs including
 	  the TI DaVinci, OMAP 243x, OMAP 343x, and TUSB 6010.
 
-config USB_GADGET_OMAP
-	boolean "OMAP USB Device Controller"
-	depends on ARCH_OMAP
-	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
+config USB_GADGET_M66592
+	boolean "Renesas M66592 USB Peripheral Controller"
+	select USB_GADGET_DUALSPEED
 	help
-	   Many Texas Instruments OMAP processors have flexible full
-	   speed USB device controllers, with support for up to 30
-	   endpoints (plus endpoint zero).  This driver supports the
-	   controller in the OMAP 1611, and should work with controllers
-	   in other OMAP processors too, given minor tweaks.
+	   M66592 is a discrete USB peripheral controller chip that
+	   supports both full and high speed USB 2.0 data transfers.
+	   It has seven configurable endpoints, and endpoint zero.
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "omap_udc" and force all
+	   dynamically linked module called "m66592_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_OMAP
+config USB_M66592
 	tristate
-	depends on USB_GADGET_OMAP
+	depends on USB_GADGET_M66592
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_OTG
-	boolean "OTG Support"
-	depends on USB_GADGET_OMAP && ARCH_OMAP_OTG && USB_OHCI_HCD
+config SUPERH_BUILT_IN_M66592
+	boolean "Enable SuperH built-in USB like the M66592"
+	depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
 	help
-	   The most notable feature of USB OTG is support for a
-	   "Dual-Role" device, which can act as either a device
-	   or a host.  The initial role choice can be changed
-	   later, when two dual-role devices talk to each other.
+	   SH7722 has USB like the M66592.
 
-	   Select this only if your OMAP board has a Mini-AB connector.
+	   The transfer rate is very slow when use "Ethernet Gadget".
+	   However, this problem is improved if change a value of
+	   NET_IP_ALIGN to 4.
 
-config USB_GADGET_S3C2410
-	boolean "S3C2410 USB Device Controller"
-	depends on ARCH_S3C2410
+#
+# Controllers available only in discrete form (and all PCI controllers)
+#
+
+config USB_GADGET_AMD5536UDC
+	boolean "AMD5536 UDC"
+	depends on PCI
+	select USB_GADGET_DUALSPEED
 	help
-	  Samsung's S3C2410 is an ARM-4 processor with an integrated
-	  full speed USB 1.1 device controller.  It has 4 configurable
-	  endpoints, as well as endpoint zero (for control transfers).
+	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
+	   It is a USB Highspeed DMA capable USB device controller. Beside ep0
+	   it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
+	   The UDC port supports OTG operation, and may be used as a host port
+	   if it's not being used to implement peripheral or OTG roles.
 
-	  This driver has been tested on the S3C2410, S3C2412, and
-	  S3C2440 processors.
+	   Say "y" to link the driver statically, or "m" to build a
+	   dynamically linked module called "amd5536udc" and force all
+	   gadget drivers to also be dynamically linked.
 
-config USB_S3C2410
+config USB_AMD5536UDC
 	tristate
-	depends on USB_GADGET_S3C2410
+	depends on USB_GADGET_AMD5536UDC
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_S3C2410_DEBUG
-	boolean "S3C2410 udc debug messages"
-	depends on USB_GADGET_S3C2410
+config USB_GADGET_FSL_QE
+	boolean "Freescale QE/CPM USB Device Controller"
+	depends on FSL_SOC && (QUICC_ENGINE || CPM)
+	help
+	   Some of Freescale PowerPC processors have a Full Speed
+	   QE/CPM2 USB controller, which support device mode with 4
+	   programmable endpoints. This driver supports the
+	   controller in the MPC8360 and MPC8272, and should work with
+	   controllers having QE or CPM2, given minor tweaks.
 
-config USB_GADGET_AT91
-	boolean "AT91 USB Device Port"
-	depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9
+	   Set CONFIG_USB_GADGET to "m" to build this driver as a
+	   dynmically linked module called "fsl_qe_udc".
+
+config USB_FSL_QE
+	tristate
+	depends on USB_GADGET_FSL_QE
+	default USB_GADGET
 	select USB_GADGET_SELECTED
+
+config USB_GADGET_NET2280
+	boolean "NetChip 228x"
+	depends on PCI
+	select USB_GADGET_DUALSPEED
 	help
-	   Many Atmel AT91 processors (such as the AT91RM2000) have a
-	   full speed USB Device Port with support for five configurable
-	   endpoints (plus endpoint zero).
+	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
+	   supports both full and high speed USB 2.0 data transfers.
+
+	   It has six configurable endpoints, as well as endpoint zero
+	   (for control transfers) and several endpoints with dedicated
+	   functions.
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "at91_udc" and force all
+	   dynamically linked module called "net2280" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_AT91
+config USB_NET2280
 	tristate
-	depends on USB_GADGET_AT91
+	depends on USB_GADGET_NET2280
+	default USB_GADGET
+	select USB_GADGET_SELECTED
+
+config USB_GADGET_GOKU
+	boolean "Toshiba TC86C001 'Goku-S'"
+	depends on PCI
+	help
+	   The Toshiba TC86C001 is a PCI device which includes controllers
+	   for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).
+
+	   The device controller has three configurable (bulk or interrupt)
+	   endpoints, plus endpoint zero (for control transfers).
+
+	   Say "y" to link the driver statically, or "m" to build a
+	   dynamically linked module called "goku_udc" and to force all
+	   gadget drivers to also be dynamically linked.
+
+config USB_GOKU
+	tristate
+	depends on USB_GADGET_GOKU
 	default USB_GADGET
+	select USB_GADGET_SELECTED
+
+
+#
+# LAST -- dummy/emulated controller
+#
 
 config USB_GADGET_DUMMY_HCD
 	boolean "Dummy HCD (DEVELOPMENT)"
@@ -553,19 +612,23 @@ config USB_FILE_STORAGE_TEST
 	  normal operation.
 
 config USB_G_SERIAL
-	tristate "Serial Gadget (with CDC ACM support)"
+	tristate "Serial Gadget (with CDC ACM and CDC OBEX support)"
 	help
 	  The Serial Gadget talks to the Linux-USB generic serial driver.
 	  This driver supports a CDC-ACM module option, which can be used
 	  to interoperate with MS-Windows hosts or with the Linux-USB
 	  "cdc-acm" driver.
 
+	  This driver also supports a CDC-OBEX option.  You will need a
+	  user space OBEX server talking to /dev/ttyGS*, since the kernel
+	  itself doesn't implement the OBEX protocol.
+
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "g_serial".
 
 	  For more information, see Documentation/usb/gadget_serial.txt
 	  which includes instructions and a "driver info file" needed to
-	  make MS-Windows work with this driver.
+	  make MS-Windows work with CDC ACM.
 
 config USB_MIDI_GADGET
 	tristate "MIDI Gadget (EXPERIMENTAL)"
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index fcb5cb9094d..bd4041b47dc 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -18,28 +18,20 @@ obj-$(CONFIG_USB_AT91)		+= at91_udc.o
 obj-$(CONFIG_USB_ATMEL_USBA)	+= atmel_usba_udc.o
 obj-$(CONFIG_USB_FSL_USB2)	+= fsl_usb2_udc.o
 obj-$(CONFIG_USB_M66592)	+= m66592-udc.o
+obj-$(CONFIG_USB_FSL_QE)	+= fsl_qe_udc.o
 
 #
 # USB gadget drivers
 #
-C_UTILS =	composite.o usbstring.o config.o epautoconf.o
-
-g_zero-objs			:= zero.o f_sourcesink.o f_loopback.o $(C_UTILS)
-g_ether-objs			:= ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS)
-g_serial-objs			:= serial.o u_serial.o f_acm.o f_serial.o $(C_UTILS)
-g_midi-objs			:= gmidi.o usbstring.o config.o epautoconf.o
+g_zero-objs			:= zero.o
+g_ether-objs			:= ether.o
+g_serial-objs			:= serial.o
+g_midi-objs			:= gmidi.o
 gadgetfs-objs			:= inode.o
-g_file_storage-objs		:= file_storage.o usbstring.o config.o \
-					epautoconf.o
-g_printer-objs			:= printer.o usbstring.o config.o \
-					epautoconf.o
-g_cdc-objs			:= cdc2.o u_ether.o f_ecm.o \
-					u_serial.o f_acm.o $(C_UTILS)
+g_file_storage-objs		:= file_storage.o
+g_printer-objs			:= printer.o
+g_cdc-objs			:= cdc2.o
 
-ifeq ($(CONFIG_USB_ETH_RNDIS),y)
-	g_ether-objs		+= f_rndis.o rndis.o
-endif
- 
 obj-$(CONFIG_USB_ZERO)		+= g_zero.o
 obj-$(CONFIG_USB_ETH)		+= g_ether.o
 obj-$(CONFIG_USB_GADGETFS)	+= gadgetfs.o
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index a39a4b940c3..5495b171cf2 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -43,6 +43,25 @@
 
 /*-------------------------------------------------------------------------*/
 
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+#include "u_serial.c"
+#include "f_acm.c"
+#include "f_ecm.c"
+#include "u_ether.c"
+
+/*-------------------------------------------------------------------------*/
+
 static struct usb_device_descriptor device_desc = {
 	.bLength =		sizeof device_desc,
 	.bDescriptorType =	USB_DT_DEVICE,
@@ -136,7 +155,6 @@ static struct usb_configuration cdc_config_driver = {
 	.bConfigurationValue	= 1,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
@@ -148,7 +166,8 @@ static int __init cdc_bind(struct usb_composite_dev *cdev)
 	int			status;
 
 	if (!can_support_ecm(cdev->gadget)) {
-		ERROR(cdev, "controller '%s' not usable\n", gadget->name);
+		dev_err(&gadget->dev, "controller '%s' not usable\n",
+				gadget->name);
 		return -EINVAL;
 	}
 
@@ -203,7 +222,8 @@ static int __init cdc_bind(struct usb_composite_dev *cdev)
 	if (status < 0)
 		goto fail1;
 
-	INFO(cdev, "%s, version: " DRIVER_VERSION "\n", DRIVER_DESC);
+	dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
+			DRIVER_DESC);
 
 	return 0;
 
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 85c876c1f15..f2da0269e1b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -128,6 +128,70 @@ done:
 }
 
 /**
+ * usb_function_deactivate - prevent function and gadget enumeration
+ * @function: the function that isn't yet ready to respond
+ *
+ * Blocks response of the gadget driver to host enumeration by
+ * preventing the data line pullup from being activated.  This is
+ * normally called during @bind() processing to change from the
+ * initial "ready to respond" state, or when a required resource
+ * becomes available.
+ *
+ * For example, drivers that serve as a passthrough to a userspace
+ * daemon can block enumeration unless that daemon (such as an OBEX,
+ * MTP, or print server) is ready to handle host requests.
+ *
+ * Not all systems support software control of their USB peripheral
+ * data pullups.
+ *
+ * Returns zero on success, else negative errno.
+ */
+int usb_function_deactivate(struct usb_function *function)
+{
+	struct usb_composite_dev	*cdev = function->config->cdev;
+	int				status = 0;
+
+	spin_lock(&cdev->lock);
+
+	if (cdev->deactivations == 0)
+		status = usb_gadget_disconnect(cdev->gadget);
+	if (status == 0)
+		cdev->deactivations++;
+
+	spin_unlock(&cdev->lock);
+	return status;
+}
+
+/**
+ * usb_function_activate - allow function and gadget enumeration
+ * @function: function on which usb_function_activate() was called
+ *
+ * Reverses effect of usb_function_deactivate().  If no more functions
+ * are delaying their activation, the gadget driver will respond to
+ * host enumeration procedures.
+ *
+ * Returns zero on success, else negative errno.
+ */
+int usb_function_activate(struct usb_function *function)
+{
+	struct usb_composite_dev	*cdev = function->config->cdev;
+	int				status = 0;
+
+	spin_lock(&cdev->lock);
+
+	if (WARN_ON(cdev->deactivations == 0))
+		status = -EINVAL;
+	else {
+		cdev->deactivations--;
+		if (cdev->deactivations == 0)
+			status = usb_gadget_connect(cdev->gadget);
+	}
+
+	spin_unlock(&cdev->lock);
+	return status;
+}
+
+/**
  * usb_interface_id() - allocate an unused interface ID
  * @config: configuration associated with the interface
  * @function: function handling the interface
@@ -181,7 +245,7 @@ static int config_buf(struct usb_configuration *config,
 	c->bConfigurationValue = config->bConfigurationValue;
 	c->iConfiguration = config->iConfiguration;
 	c->bmAttributes = USB_CONFIG_ATT_ONE | config->bmAttributes;
-	c->bMaxPower = config->bMaxPower;
+	c->bMaxPower = config->bMaxPower ? : (CONFIG_USB_GADGET_VBUS_DRAW / 2);
 
 	/* There may be e.g. OTG descriptors */
 	if (config->descriptors) {
@@ -368,7 +432,7 @@ static int set_config(struct usb_composite_dev *cdev,
 	}
 
 	/* when we return, be sure our power usage is valid */
-	power = 2 * c->bMaxPower;
+	power = c->bMaxPower ? (2 * c->bMaxPower) : CONFIG_USB_GADGET_VBUS_DRAW;
 done:
 	usb_gadget_vbus_draw(gadget, power);
 	return result;
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 7600a0c7875..9064696636a 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -82,6 +82,7 @@ struct dummy_ep {
 	const struct usb_endpoint_descriptor *desc;
 	struct usb_ep			ep;
 	unsigned			halted : 1;
+	unsigned			wedged : 1;
 	unsigned			already_seen : 1;
 	unsigned			setup_stage : 1;
 };
@@ -436,6 +437,7 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 	/* at this point real hardware should be NAKing transfers
 	 * to that endpoint, until a buffer is queued to it.
 	 */
+	ep->halted = ep->wedged = 0;
 	retval = 0;
 done:
 	return retval;
@@ -597,7 +599,7 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 }
 
 static int
-dummy_set_halt (struct usb_ep *_ep, int value)
+dummy_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
 {
 	struct dummy_ep		*ep;
 	struct dummy		*dum;
@@ -609,16 +611,32 @@ dummy_set_halt (struct usb_ep *_ep, int value)
 	if (!dum->driver)
 		return -ESHUTDOWN;
 	if (!value)
-		ep->halted = 0;
+		ep->halted = ep->wedged = 0;
 	else if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) &&
 			!list_empty (&ep->queue))
 		return -EAGAIN;
-	else
+	else {
 		ep->halted = 1;
+		if (wedged)
+			ep->wedged = 1;
+	}
 	/* FIXME clear emulated data toggle too */
 	return 0;
 }
 
+static int
+dummy_set_halt(struct usb_ep *_ep, int value)
+{
+	return dummy_set_halt_and_wedge(_ep, value, 0);
+}
+
+static int dummy_set_wedge(struct usb_ep *_ep)
+{
+	if (!_ep || _ep->name == ep0name)
+		return -EINVAL;
+	return dummy_set_halt_and_wedge(_ep, 1, 1);
+}
+
 static const struct usb_ep_ops dummy_ep_ops = {
 	.enable		= dummy_enable,
 	.disable	= dummy_disable,
@@ -630,6 +648,7 @@ static const struct usb_ep_ops dummy_ep_ops = {
 	.dequeue	= dummy_dequeue,
 
 	.set_halt	= dummy_set_halt,
+	.set_wedge	= dummy_set_wedge,
 };
 
 /*-------------------------------------------------------------------------*/
@@ -760,7 +779,8 @@ usb_gadget_register_driver (struct usb_gadget_driver *driver)
 		ep->ep.name = ep_name [i];
 		ep->ep.ops = &dummy_ep_ops;
 		list_add_tail (&ep->ep.ep_list, &dum->gadget.ep_list);
-		ep->halted = ep->already_seen = ep->setup_stage = 0;
+		ep->halted = ep->wedged = ep->already_seen =
+				ep->setup_stage = 0;
 		ep->ep.maxpacket = ~0;
 		ep->last_io = jiffies;
 		ep->gadget = &dum->gadget;
@@ -1351,7 +1371,7 @@ restart:
 				} else if (setup.bRequestType == Ep_Request) {
 					// endpoint halt
 					ep2 = find_endpoint (dum, w_index);
-					if (!ep2) {
+					if (!ep2 || ep2->ep.name == ep0name) {
 						value = -EOPNOTSUPP;
 						break;
 					}
@@ -1380,7 +1400,8 @@ restart:
 						value = -EOPNOTSUPP;
 						break;
 					}
-					ep2->halted = 0;
+					if (!ep2->wedged)
+						ep2->halted = 0;
 					value = 0;
 					status = 0;
 				}
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index bcac2e68660..37252d0012a 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -96,6 +96,28 @@ static inline bool has_rndis(void)
 
 /*-------------------------------------------------------------------------*/
 
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "f_ecm.c"
+#include "f_subset.c"
+#ifdef	CONFIG_USB_ETH_RNDIS
+#include "f_rndis.c"
+#include "rndis.c"
+#endif
+#include "u_ether.c"
+
+/*-------------------------------------------------------------------------*/
+
 /* DO NOT REUSE THESE IDs with a protocol-incompatible driver!!  Ever!!
  * Instead:  allocate your own, using normal USB-IF procedures.
  */
@@ -220,7 +242,6 @@ static struct usb_configuration rndis_config_driver = {
 	.bConfigurationValue	= 2,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
@@ -249,7 +270,6 @@ static struct usb_configuration eth_config_driver = {
 	.bConfigurationValue	= 1,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
@@ -293,7 +313,8 @@ static int __init eth_bind(struct usb_composite_dev *cdev)
 		 * but if the controller isn't recognized at all then
 		 * that assumption is a bit more likely to be wrong.
 		 */
-		WARNING(cdev, "controller '%s' not recognized; trying %s\n",
+		dev_warn(&gadget->dev,
+				"controller '%s' not recognized; trying %s\n",
 				gadget->name,
 				eth_config_driver.label);
 		device_desc.bcdDevice =
@@ -332,7 +353,8 @@ static int __init eth_bind(struct usb_composite_dev *cdev)
 	if (status < 0)
 		goto fail;
 
-	INFO(cdev, "%s, version: " DRIVER_VERSION "\n", DRIVER_DESC);
+	dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
+			DRIVER_DESC);
 
 	return 0;
 
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index a2b5c092bda..4ae579948e5 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -83,7 +83,7 @@ static inline struct f_ecm *func_to_ecm(struct usb_function *f)
 }
 
 /* peak (theoretical) bulk transfer rate in bits-per-second */
-static inline unsigned bitrate(struct usb_gadget *g)
+static inline unsigned ecm_bitrate(struct usb_gadget *g)
 {
 	if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
 		return 13 * 512 * 8 * 1000 * 8;
@@ -107,7 +107,7 @@ static inline unsigned bitrate(struct usb_gadget *g)
  */
 
 #define LOG2_STATUS_INTERVAL_MSEC	5	/* 1 << 5 == 32 msec */
-#define STATUS_BYTECOUNT		16	/* 8 byte header + data */
+#define ECM_STATUS_BYTECOUNT		16	/* 8 byte header + data */
 
 
 /* interface descriptor: */
@@ -125,8 +125,8 @@ static struct usb_interface_descriptor ecm_control_intf __initdata = {
 	/* .iInterface = DYNAMIC */
 };
 
-static struct usb_cdc_header_desc header_desc __initdata = {
-	.bLength =		sizeof header_desc,
+static struct usb_cdc_header_desc ecm_header_desc __initdata = {
+	.bLength =		sizeof ecm_header_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_HEADER_TYPE,
 
@@ -141,8 +141,8 @@ static struct usb_cdc_union_desc ecm_union_desc __initdata = {
 	/* .bSlaveInterface0 =	DYNAMIC */
 };
 
-static struct usb_cdc_ether_desc ether_desc __initdata = {
-	.bLength =		sizeof ether_desc,
+static struct usb_cdc_ether_desc ecm_desc __initdata = {
+	.bLength =		sizeof ecm_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_ETHERNET_TYPE,
 
@@ -186,17 +186,17 @@ static struct usb_interface_descriptor ecm_data_intf __initdata = {
 
 /* full speed support: */
 
-static struct usb_endpoint_descriptor fs_notify_desc __initdata = {
+static struct usb_endpoint_descriptor fs_ecm_notify_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
 	.bEndpointAddress =	USB_DIR_IN,
 	.bmAttributes =		USB_ENDPOINT_XFER_INT,
-	.wMaxPacketSize =	__constant_cpu_to_le16(STATUS_BYTECOUNT),
+	.wMaxPacketSize =	__constant_cpu_to_le16(ECM_STATUS_BYTECOUNT),
 	.bInterval =		1 << LOG2_STATUS_INTERVAL_MSEC,
 };
 
-static struct usb_endpoint_descriptor fs_in_desc __initdata = {
+static struct usb_endpoint_descriptor fs_ecm_in_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -204,7 +204,7 @@ static struct usb_endpoint_descriptor fs_in_desc __initdata = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_endpoint_descriptor fs_out_desc __initdata = {
+static struct usb_endpoint_descriptor fs_ecm_out_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -212,34 +212,34 @@ static struct usb_endpoint_descriptor fs_out_desc __initdata = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_descriptor_header *eth_fs_function[] __initdata = {
+static struct usb_descriptor_header *ecm_fs_function[] __initdata = {
 	/* CDC ECM control descriptors */
 	(struct usb_descriptor_header *) &ecm_control_intf,
-	(struct usb_descriptor_header *) &header_desc,
+	(struct usb_descriptor_header *) &ecm_header_desc,
 	(struct usb_descriptor_header *) &ecm_union_desc,
-	(struct usb_descriptor_header *) &ether_desc,
+	(struct usb_descriptor_header *) &ecm_desc,
 	/* NOTE: status endpoint might need to be removed */
-	(struct usb_descriptor_header *) &fs_notify_desc,
+	(struct usb_descriptor_header *) &fs_ecm_notify_desc,
 	/* data interface, altsettings 0 and 1 */
 	(struct usb_descriptor_header *) &ecm_data_nop_intf,
 	(struct usb_descriptor_header *) &ecm_data_intf,
-	(struct usb_descriptor_header *) &fs_in_desc,
-	(struct usb_descriptor_header *) &fs_out_desc,
+	(struct usb_descriptor_header *) &fs_ecm_in_desc,
+	(struct usb_descriptor_header *) &fs_ecm_out_desc,
 	NULL,
 };
 
 /* high speed support: */
 
-static struct usb_endpoint_descriptor hs_notify_desc __initdata = {
+static struct usb_endpoint_descriptor hs_ecm_notify_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
 	.bEndpointAddress =	USB_DIR_IN,
 	.bmAttributes =		USB_ENDPOINT_XFER_INT,
-	.wMaxPacketSize =	__constant_cpu_to_le16(STATUS_BYTECOUNT),
+	.wMaxPacketSize =	__constant_cpu_to_le16(ECM_STATUS_BYTECOUNT),
 	.bInterval =		LOG2_STATUS_INTERVAL_MSEC + 4,
 };
-static struct usb_endpoint_descriptor hs_in_desc __initdata = {
+static struct usb_endpoint_descriptor hs_ecm_in_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -248,7 +248,7 @@ static struct usb_endpoint_descriptor hs_in_desc __initdata = {
 	.wMaxPacketSize =	__constant_cpu_to_le16(512),
 };
 
-static struct usb_endpoint_descriptor hs_out_desc __initdata = {
+static struct usb_endpoint_descriptor hs_ecm_out_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -257,19 +257,19 @@ static struct usb_endpoint_descriptor hs_out_desc __initdata = {
 	.wMaxPacketSize =	__constant_cpu_to_le16(512),
 };
 
-static struct usb_descriptor_header *eth_hs_function[] __initdata = {
+static struct usb_descriptor_header *ecm_hs_function[] __initdata = {
 	/* CDC ECM control descriptors */
 	(struct usb_descriptor_header *) &ecm_control_intf,
-	(struct usb_descriptor_header *) &header_desc,
+	(struct usb_descriptor_header *) &ecm_header_desc,
 	(struct usb_descriptor_header *) &ecm_union_desc,
-	(struct usb_descriptor_header *) &ether_desc,
+	(struct usb_descriptor_header *) &ecm_desc,
 	/* NOTE: status endpoint might need to be removed */
-	(struct usb_descriptor_header *) &hs_notify_desc,
+	(struct usb_descriptor_header *) &hs_ecm_notify_desc,
 	/* data interface, altsettings 0 and 1 */
 	(struct usb_descriptor_header *) &ecm_data_nop_intf,
 	(struct usb_descriptor_header *) &ecm_data_intf,
-	(struct usb_descriptor_header *) &hs_in_desc,
-	(struct usb_descriptor_header *) &hs_out_desc,
+	(struct usb_descriptor_header *) &hs_ecm_in_desc,
+	(struct usb_descriptor_header *) &hs_ecm_out_desc,
 	NULL,
 };
 
@@ -329,14 +329,14 @@ static void ecm_do_notify(struct f_ecm *ecm)
 		event->bNotificationType = USB_CDC_NOTIFY_SPEED_CHANGE;
 		event->wValue = cpu_to_le16(0);
 		event->wLength = cpu_to_le16(8);
-		req->length = STATUS_BYTECOUNT;
+		req->length = ECM_STATUS_BYTECOUNT;
 
 		/* SPEED_CHANGE data is up/down speeds in bits/sec */
 		data = req->buf + sizeof *event;
-		data[0] = cpu_to_le32(bitrate(cdev->gadget));
+		data[0] = cpu_to_le32(ecm_bitrate(cdev->gadget));
 		data[1] = data[0];
 
-		DBG(cdev, "notify speed %d\n", bitrate(cdev->gadget));
+		DBG(cdev, "notify speed %d\n", ecm_bitrate(cdev->gadget));
 		ecm->notify_state = ECM_NOTIFY_NONE;
 		break;
 	}
@@ -628,13 +628,13 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 	status = -ENODEV;
 
 	/* allocate instance-specific endpoints */
-	ep = usb_ep_autoconfig(cdev->gadget, &fs_in_desc);
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_in_desc);
 	if (!ep)
 		goto fail;
 	ecm->port.in_ep = ep;
 	ep->driver_data = cdev;	/* claim */
 
-	ep = usb_ep_autoconfig(cdev->gadget, &fs_out_desc);
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_out_desc);
 	if (!ep)
 		goto fail;
 	ecm->port.out_ep = ep;
@@ -644,7 +644,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 	 * don't treat it that way.  It's simpler, and some newer CDC
 	 * profiles (wireless handsets) no longer treat it as optional.
 	 */
-	ep = usb_ep_autoconfig(cdev->gadget, &fs_notify_desc);
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_notify_desc);
 	if (!ep)
 		goto fail;
 	ecm->notify = ep;
@@ -656,47 +656,47 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 	ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL);
 	if (!ecm->notify_req)
 		goto fail;
-	ecm->notify_req->buf = kmalloc(STATUS_BYTECOUNT, GFP_KERNEL);
+	ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL);
 	if (!ecm->notify_req->buf)
 		goto fail;
 	ecm->notify_req->context = ecm;
 	ecm->notify_req->complete = ecm_notify_complete;
 
 	/* copy descriptors, and track endpoint copies */
-	f->descriptors = usb_copy_descriptors(eth_fs_function);
+	f->descriptors = usb_copy_descriptors(ecm_fs_function);
 	if (!f->descriptors)
 		goto fail;
 
-	ecm->fs.in = usb_find_endpoint(eth_fs_function,
-			f->descriptors, &fs_in_desc);
-	ecm->fs.out = usb_find_endpoint(eth_fs_function,
-			f->descriptors, &fs_out_desc);
-	ecm->fs.notify = usb_find_endpoint(eth_fs_function,
-			f->descriptors, &fs_notify_desc);
+	ecm->fs.in = usb_find_endpoint(ecm_fs_function,
+			f->descriptors, &fs_ecm_in_desc);
+	ecm->fs.out = usb_find_endpoint(ecm_fs_function,
+			f->descriptors, &fs_ecm_out_desc);
+	ecm->fs.notify = usb_find_endpoint(ecm_fs_function,
+			f->descriptors, &fs_ecm_notify_desc);
 
 	/* support all relevant hardware speeds... we expect that when
 	 * hardware is dual speed, all bulk-capable endpoints work at
 	 * both speeds
 	 */
 	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		hs_in_desc.bEndpointAddress =
-				fs_in_desc.bEndpointAddress;
-		hs_out_desc.bEndpointAddress =
-				fs_out_desc.bEndpointAddress;
-		hs_notify_desc.bEndpointAddress =
-				fs_notify_desc.bEndpointAddress;
+		hs_ecm_in_desc.bEndpointAddress =
+				fs_ecm_in_desc.bEndpointAddress;
+		hs_ecm_out_desc.bEndpointAddress =
+				fs_ecm_out_desc.bEndpointAddress;
+		hs_ecm_notify_desc.bEndpointAddress =
+				fs_ecm_notify_desc.bEndpointAddress;
 
 		/* copy descriptors, and track endpoint copies */
-		f->hs_descriptors = usb_copy_descriptors(eth_hs_function);
+		f->hs_descriptors = usb_copy_descriptors(ecm_hs_function);
 		if (!f->hs_descriptors)
 			goto fail;
 
-		ecm->hs.in = usb_find_endpoint(eth_hs_function,
-				f->hs_descriptors, &hs_in_desc);
-		ecm->hs.out = usb_find_endpoint(eth_hs_function,
-				f->hs_descriptors, &hs_out_desc);
-		ecm->hs.notify = usb_find_endpoint(eth_hs_function,
-				f->hs_descriptors, &hs_notify_desc);
+		ecm->hs.in = usb_find_endpoint(ecm_hs_function,
+				f->hs_descriptors, &hs_ecm_in_desc);
+		ecm->hs.out = usb_find_endpoint(ecm_hs_function,
+				f->hs_descriptors, &hs_ecm_out_desc);
+		ecm->hs.notify = usb_find_endpoint(ecm_hs_function,
+				f->hs_descriptors, &hs_ecm_notify_desc);
 	}
 
 	/* NOTE:  all that is done without knowing or caring about
@@ -795,7 +795,7 @@ int __init ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
 		if (status < 0)
 			return status;
 		ecm_string_defs[1].id = status;
-		ether_desc.iMACAddress = status;
+		ecm_desc.iMACAddress = status;
 	}
 
 	/* allocate and initialize one new instance */
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index eda4cde72c8..8affe1dfc2c 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -70,7 +70,7 @@ static struct usb_interface_descriptor loopback_intf = {
 
 /* full speed support: */
 
-static struct usb_endpoint_descriptor fs_source_desc = {
+static struct usb_endpoint_descriptor fs_loop_source_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -78,7 +78,7 @@ static struct usb_endpoint_descriptor fs_source_desc = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_endpoint_descriptor fs_sink_desc = {
+static struct usb_endpoint_descriptor fs_loop_sink_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -88,14 +88,14 @@ static struct usb_endpoint_descriptor fs_sink_desc = {
 
 static struct usb_descriptor_header *fs_loopback_descs[] = {
 	(struct usb_descriptor_header *) &loopback_intf,
-	(struct usb_descriptor_header *) &fs_sink_desc,
-	(struct usb_descriptor_header *) &fs_source_desc,
+	(struct usb_descriptor_header *) &fs_loop_sink_desc,
+	(struct usb_descriptor_header *) &fs_loop_source_desc,
 	NULL,
 };
 
 /* high speed support: */
 
-static struct usb_endpoint_descriptor hs_source_desc = {
+static struct usb_endpoint_descriptor hs_loop_source_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -103,7 +103,7 @@ static struct usb_endpoint_descriptor hs_source_desc = {
 	.wMaxPacketSize =	__constant_cpu_to_le16(512),
 };
 
-static struct usb_endpoint_descriptor hs_sink_desc = {
+static struct usb_endpoint_descriptor hs_loop_sink_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -113,8 +113,8 @@ static struct usb_endpoint_descriptor hs_sink_desc = {
 
 static struct usb_descriptor_header *hs_loopback_descs[] = {
 	(struct usb_descriptor_header *) &loopback_intf,
-	(struct usb_descriptor_header *) &hs_source_desc,
-	(struct usb_descriptor_header *) &hs_sink_desc,
+	(struct usb_descriptor_header *) &hs_loop_source_desc,
+	(struct usb_descriptor_header *) &hs_loop_sink_desc,
 	NULL,
 };
 
@@ -152,7 +152,7 @@ loopback_bind(struct usb_configuration *c, struct usb_function *f)
 
 	/* allocate endpoints */
 
-	loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_source_desc);
+	loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_source_desc);
 	if (!loop->in_ep) {
 autoconf_fail:
 		ERROR(cdev, "%s: can't autoconfigure on %s\n",
@@ -161,17 +161,17 @@ autoconf_fail:
 	}
 	loop->in_ep->driver_data = cdev;	/* claim */
 
-	loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_sink_desc);
+	loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_sink_desc);
 	if (!loop->out_ep)
 		goto autoconf_fail;
 	loop->out_ep->driver_data = cdev;	/* claim */
 
 	/* support high speed hardware */
 	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		hs_source_desc.bEndpointAddress =
-				fs_source_desc.bEndpointAddress;
-		hs_sink_desc.bEndpointAddress =
-				fs_sink_desc.bEndpointAddress;
+		hs_loop_source_desc.bEndpointAddress =
+				fs_loop_source_desc.bEndpointAddress;
+		hs_loop_sink_desc.bEndpointAddress =
+				fs_loop_sink_desc.bEndpointAddress;
 		f->hs_descriptors = hs_loopback_descs;
 	}
 
@@ -255,8 +255,10 @@ enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop)
 	struct usb_request			*req;
 	unsigned				i;
 
-	src = ep_choose(cdev->gadget, &hs_source_desc, &fs_source_desc);
-	sink = ep_choose(cdev->gadget, &hs_sink_desc, &fs_sink_desc);
+	src = ep_choose(cdev->gadget,
+			&hs_loop_source_desc, &fs_loop_source_desc);
+	sink = ep_choose(cdev->gadget,
+			&hs_loop_sink_desc, &fs_loop_sink_desc);
 
 	/* one endpoint writes data back IN to the host */
 	ep = loop->in_ep;
@@ -350,7 +352,6 @@ static struct usb_configuration loopback_driver = {
 	.bind		= loopback_bind_config,
 	.bConfigurationValue = 2,
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 	/* .iConfiguration = DYNAMIC */
 };
 
diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
new file mode 100644
index 00000000000..80c2e7e9622
--- /dev/null
+++ b/drivers/usb/gadget/f_obex.c
@@ -0,0 +1,493 @@
+/*
+ * f_obex.c -- USB CDC OBEX function driver
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Contact: Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * Based on f_acm.c by Al Borchers and David Brownell.
+ *
+ * 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
+ */
+
+/* #define VERBOSE_DEBUG */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include "u_serial.h"
+#include "gadget_chips.h"
+
+
+/*
+ * This CDC OBEX function support just packages a TTY-ish byte stream.
+ * A user mode server will put it into "raw" mode and handle all the
+ * relevant protocol details ... this is just a kernel passthrough.
+ * When possible, we prevent gadget enumeration until that server is
+ * ready to handle the commands.
+ */
+
+struct obex_ep_descs {
+	struct usb_endpoint_descriptor	*obex_in;
+	struct usb_endpoint_descriptor	*obex_out;
+};
+
+struct f_obex {
+	struct gserial			port;
+	u8				ctrl_id;
+	u8				data_id;
+	u8				port_num;
+	u8				can_activate;
+
+	struct obex_ep_descs		fs;
+	struct obex_ep_descs		hs;
+};
+
+static inline struct f_obex *func_to_obex(struct usb_function *f)
+{
+	return container_of(f, struct f_obex, port.func);
+}
+
+static inline struct f_obex *port_to_obex(struct gserial *p)
+{
+	return container_of(p, struct f_obex, port);
+}
+
+/*-------------------------------------------------------------------------*/
+
+#define OBEX_CTRL_IDX	0
+#define OBEX_DATA_IDX	1
+
+static struct usb_string obex_string_defs[] = {
+	[OBEX_CTRL_IDX].s	= "CDC Object Exchange (OBEX)",
+	[OBEX_DATA_IDX].s	= "CDC OBEX Data",
+	{  },	/* end of list */
+};
+
+static struct usb_gadget_strings obex_string_table = {
+	.language		= 0x0409,	/* en-US */
+	.strings		= obex_string_defs,
+};
+
+static struct usb_gadget_strings *obex_strings[] = {
+	&obex_string_table,
+	NULL,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static struct usb_interface_descriptor obex_control_intf __initdata = {
+	.bLength		= sizeof(obex_control_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 0,
+
+	.bAlternateSetting	= 0,
+	.bNumEndpoints		= 0,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_OBEX,
+};
+
+static struct usb_interface_descriptor obex_data_nop_intf __initdata = {
+	.bLength		= sizeof(obex_data_nop_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 1,
+
+	.bAlternateSetting	= 0,
+	.bNumEndpoints		= 0,
+	.bInterfaceClass	= USB_CLASS_CDC_DATA,
+};
+
+static struct usb_interface_descriptor obex_data_intf __initdata = {
+	.bLength		= sizeof(obex_data_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 2,
+
+	.bAlternateSetting	= 1,
+	.bNumEndpoints		= 2,
+	.bInterfaceClass	= USB_CLASS_CDC_DATA,
+};
+
+static struct usb_cdc_header_desc obex_cdc_header_desc __initdata = {
+	.bLength		= sizeof(obex_cdc_header_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_HEADER_TYPE,
+	.bcdCDC			= __constant_cpu_to_le16(0x0120),
+};
+
+static struct usb_cdc_union_desc obex_cdc_union_desc __initdata = {
+	.bLength		= sizeof(obex_cdc_union_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_UNION_TYPE,
+	.bMasterInterface0	= 1,
+	.bSlaveInterface0	= 2,
+};
+
+static struct usb_cdc_obex_desc obex_desc __initdata = {
+	.bLength		= sizeof(obex_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_OBEX_TYPE,
+	.bcdVersion		= __constant_cpu_to_le16(0x0100),
+};
+
+/* High-Speed Support */
+
+static struct usb_endpoint_descriptor obex_hs_ep_out_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_OUT,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize		= __constant_cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor obex_hs_ep_in_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_IN,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize		= __constant_cpu_to_le16(512),
+};
+
+static struct usb_descriptor_header *hs_function[] __initdata = {
+	(struct usb_descriptor_header *) &obex_control_intf,
+	(struct usb_descriptor_header *) &obex_cdc_header_desc,
+	(struct usb_descriptor_header *) &obex_desc,
+	(struct usb_descriptor_header *) &obex_cdc_union_desc,
+
+	(struct usb_descriptor_header *) &obex_data_nop_intf,
+	(struct usb_descriptor_header *) &obex_data_intf,
+	(struct usb_descriptor_header *) &obex_hs_ep_in_desc,
+	(struct usb_descriptor_header *) &obex_hs_ep_out_desc,
+	NULL,
+};
+
+/* Full-Speed Support */
+
+static struct usb_endpoint_descriptor obex_fs_ep_in_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_IN,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_endpoint_descriptor obex_fs_ep_out_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_OUT,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_descriptor_header *fs_function[] __initdata = {
+	(struct usb_descriptor_header *) &obex_control_intf,
+	(struct usb_descriptor_header *) &obex_cdc_header_desc,
+	(struct usb_descriptor_header *) &obex_desc,
+	(struct usb_descriptor_header *) &obex_cdc_union_desc,
+
+	(struct usb_descriptor_header *) &obex_data_nop_intf,
+	(struct usb_descriptor_header *) &obex_data_intf,
+	(struct usb_descriptor_header *) &obex_fs_ep_in_desc,
+	(struct usb_descriptor_header *) &obex_fs_ep_out_desc,
+	NULL,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+	struct f_obex		*obex = func_to_obex(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+
+	if (intf == obex->ctrl_id) {
+		if (alt != 0)
+			goto fail;
+		/* NOP */
+		DBG(cdev, "reset obex ttyGS%d control\n", obex->port_num);
+
+	} else if (intf == obex->data_id) {
+		if (alt > 1)
+			goto fail;
+
+		if (obex->port.in->driver_data) {
+			DBG(cdev, "reset obex ttyGS%d\n", obex->port_num);
+			gserial_disconnect(&obex->port);
+		}
+
+		if (!obex->port.in_desc) {
+			DBG(cdev, "init obex ttyGS%d\n", obex->port_num);
+			obex->port.in_desc = ep_choose(cdev->gadget,
+					obex->hs.obex_in, obex->fs.obex_in);
+			obex->port.out_desc = ep_choose(cdev->gadget,
+					obex->hs.obex_out, obex->fs.obex_out);
+		}
+
+		if (alt == 1) {
+			DBG(cdev, "activate obex ttyGS%d\n", obex->port_num);
+			gserial_connect(&obex->port, obex->port_num);
+		}
+
+	} else
+		goto fail;
+
+	return 0;
+
+fail:
+	return -EINVAL;
+}
+
+static int obex_get_alt(struct usb_function *f, unsigned intf)
+{
+	struct f_obex		*obex = func_to_obex(f);
+
+	if (intf == obex->ctrl_id)
+		return 0;
+
+	return obex->port.in->driver_data ? 1 : 0;
+}
+
+static void obex_disable(struct usb_function *f)
+{
+	struct f_obex	*obex = func_to_obex(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+
+	DBG(cdev, "obex ttyGS%d disable\n", obex->port_num);
+	gserial_disconnect(&obex->port);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static void obex_connect(struct gserial *g)
+{
+	struct f_obex		*obex = port_to_obex(g);
+	struct usb_composite_dev *cdev = g->func.config->cdev;
+	int			status;
+
+	if (!obex->can_activate)
+		return;
+
+	status = usb_function_activate(&g->func);
+	if (status)
+		DBG(cdev, "obex ttyGS%d function activate --> %d\n",
+			obex->port_num, status);
+}
+
+static void obex_disconnect(struct gserial *g)
+{
+	struct f_obex		*obex = port_to_obex(g);
+	struct usb_composite_dev *cdev = g->func.config->cdev;
+	int			status;
+
+	if (!obex->can_activate)
+		return;
+
+	status = usb_function_deactivate(&g->func);
+	if (status)
+		DBG(cdev, "obex ttyGS%d function deactivate --> %d\n",
+			obex->port_num, status);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static int __init
+obex_bind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct usb_composite_dev *cdev = c->cdev;
+	struct f_obex		*obex = func_to_obex(f);
+	int			status;
+	struct usb_ep		*ep;
+
+	/* allocate instance-specific interface IDs, and patch descriptors */
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	obex->ctrl_id = status;
+
+	obex_control_intf.bInterfaceNumber = status;
+	obex_cdc_union_desc.bMasterInterface0 = status;
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	obex->data_id = status;
+
+	obex_data_nop_intf.bInterfaceNumber = status;
+	obex_data_intf.bInterfaceNumber = status;
+	obex_cdc_union_desc.bSlaveInterface0 = status;
+
+	/* allocate instance-specific endpoints */
+
+	ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_in_desc);
+	if (!ep)
+		goto fail;
+	obex->port.in = ep;
+	ep->driver_data = cdev;	/* claim */
+
+	ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_out_desc);
+	if (!ep)
+		goto fail;
+	obex->port.out = ep;
+	ep->driver_data = cdev;	/* claim */
+
+	/* copy descriptors, and track endpoint copies */
+	f->descriptors = usb_copy_descriptors(fs_function);
+
+	obex->fs.obex_in = usb_find_endpoint(fs_function,
+			f->descriptors, &obex_fs_ep_in_desc);
+	obex->fs.obex_out = usb_find_endpoint(fs_function,
+			f->descriptors, &obex_fs_ep_out_desc);
+
+	/* support all relevant hardware speeds... we expect that when
+	 * hardware is dual speed, all bulk-capable endpoints work at
+	 * both speeds
+	 */
+	if (gadget_is_dualspeed(c->cdev->gadget)) {
+
+		obex_hs_ep_in_desc.bEndpointAddress =
+				obex_fs_ep_in_desc.bEndpointAddress;
+		obex_hs_ep_out_desc.bEndpointAddress =
+				obex_fs_ep_out_desc.bEndpointAddress;
+
+		/* copy descriptors, and track endpoint copies */
+		f->hs_descriptors = usb_copy_descriptors(hs_function);
+
+		obex->hs.obex_in = usb_find_endpoint(hs_function,
+				f->descriptors, &obex_hs_ep_in_desc);
+		obex->hs.obex_out = usb_find_endpoint(hs_function,
+				f->descriptors, &obex_hs_ep_out_desc);
+	}
+
+	/* Avoid letting this gadget enumerate until the userspace
+	 * OBEX server is active.
+	 */
+	status = usb_function_deactivate(f);
+	if (status < 0)
+		WARNING(cdev, "obex ttyGS%d: can't prevent enumeration, %d\n",
+			obex->port_num, status);
+	else
+		obex->can_activate = true;
+
+
+	DBG(cdev, "obex ttyGS%d: %s speed IN/%s OUT/%s\n",
+			obex->port_num,
+			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
+			obex->port.in->name, obex->port.out->name);
+
+	return 0;
+
+fail:
+	/* we might as well release our claims on endpoints */
+	if (obex->port.out)
+		obex->port.out->driver_data = NULL;
+	if (obex->port.in)
+		obex->port.in->driver_data = NULL;
+
+	ERROR(cdev, "%s/%p: can't bind, err %d\n", f->name, f, status);
+
+	return status;
+}
+
+static void
+obex_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+	if (gadget_is_dualspeed(c->cdev->gadget))
+		usb_free_descriptors(f->hs_descriptors);
+	usb_free_descriptors(f->descriptors);
+	kfree(func_to_obex(f));
+}
+
+/* Some controllers can't support CDC OBEX ... */
+static inline bool can_support_obex(struct usb_configuration *c)
+{
+	/* Since the first interface is a NOP, we can ignore the
+	 * issue of multi-interface support on most controllers.
+	 *
+	 * Altsettings are mandatory, however...
+	 */
+	if (!gadget_supports_altsettings(c->cdev->gadget))
+		return false;
+
+	/* everything else is *probably* fine ... */
+	return true;
+}
+
+/**
+ * obex_bind_config - add a CDC OBEX function to a configuration
+ * @c: the configuration to support the CDC OBEX instance
+ * @port_num: /dev/ttyGS* port this interface will use
+ * Context: single threaded during gadget setup
+ *
+ * Returns zero on success, else negative errno.
+ *
+ * Caller must have called @gserial_setup() with enough ports to
+ * handle all the ones it binds.  Caller is also responsible
+ * for calling @gserial_cleanup() before module unload.
+ */
+int __init obex_bind_config(struct usb_configuration *c, u8 port_num)
+{
+	struct f_obex	*obex;
+	int		status;
+
+	if (!can_support_obex(c))
+		return -EINVAL;
+
+	/* maybe allocate device-global string IDs, and patch descriptors */
+	if (obex_string_defs[OBEX_CTRL_IDX].id == 0) {
+		status = usb_string_id(c->cdev);
+		if (status < 0)
+			return status;
+		obex_string_defs[OBEX_CTRL_IDX].id = status;
+
+		obex_control_intf.iInterface = status;
+
+		status = usb_string_id(c->cdev);
+		if (status < 0)
+			return status;
+		obex_string_defs[OBEX_DATA_IDX].id = status;
+
+		obex_data_nop_intf.iInterface =
+			obex_data_intf.iInterface = status;
+	}
+
+	/* allocate and initialize one new instance */
+	obex = kzalloc(sizeof *obex, GFP_KERNEL);
+	if (!obex)
+		return -ENOMEM;
+
+	obex->port_num = port_num;
+
+	obex->port.connect = obex_connect;
+	obex->port.disconnect = obex_disconnect;
+
+	obex->port.func.name = "obex";
+	obex->port.func.strings = obex_strings;
+	/* descriptors are per-instance copies */
+	obex->port.func.bind = obex_bind;
+	obex->port.func.unbind = obex_unbind;
+	obex->port.func.set_alt = obex_set_alt;
+	obex->port.func.get_alt = obex_get_alt;
+	obex->port.func.disable = obex_disable;
+
+	status = usb_add_function(c, &obex->port.func);
+	if (status)
+		kfree(obex);
+
+	return status;
+}
+
+MODULE_AUTHOR("Felipe Balbi");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/f_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c
index f18c3a14d72..dc84d26d283 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -552,7 +552,6 @@ static struct usb_configuration sourcesink_driver = {
 	.setup		= sourcesink_setup,
 	.bConfigurationValue = 3,
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 	/* .iConfiguration = DYNAMIC */
 };
 
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index acb8d233aa1..fe183287577 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -103,8 +103,8 @@ static struct usb_interface_descriptor subset_data_intf __initdata = {
 	/* .iInterface = DYNAMIC */
 };
 
-static struct usb_cdc_header_desc header_desc __initdata = {
-	.bLength =		sizeof header_desc,
+static struct usb_cdc_header_desc mdlm_header_desc __initdata = {
+	.bLength =		sizeof mdlm_header_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_HEADER_TYPE,
 
@@ -152,7 +152,7 @@ static struct usb_cdc_ether_desc ether_desc __initdata = {
 
 /* full speed support: */
 
-static struct usb_endpoint_descriptor fs_in_desc __initdata = {
+static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -160,7 +160,7 @@ static struct usb_endpoint_descriptor fs_in_desc __initdata = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_endpoint_descriptor fs_out_desc __initdata = {
+static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -170,18 +170,18 @@ static struct usb_endpoint_descriptor fs_out_desc __initdata = {
 
 static struct usb_descriptor_header *fs_eth_function[] __initdata = {
 	(struct usb_descriptor_header *) &subset_data_intf,
-	(struct usb_descriptor_header *) &header_desc,
+	(struct usb_descriptor_header *) &mdlm_header_desc,
 	(struct usb_descriptor_header *) &mdlm_desc,
 	(struct usb_descriptor_header *) &mdlm_detail_desc,
 	(struct usb_descriptor_header *) &ether_desc,
-	(struct usb_descriptor_header *) &fs_in_desc,
-	(struct usb_descriptor_header *) &fs_out_desc,
+	(struct usb_descriptor_header *) &fs_subset_in_desc,
+	(struct usb_descriptor_header *) &fs_subset_out_desc,
 	NULL,
 };
 
 /* high speed support: */
 
-static struct usb_endpoint_descriptor hs_in_desc __initdata = {
+static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -189,7 +189,7 @@ static struct usb_endpoint_descriptor hs_in_desc __initdata = {
 	.wMaxPacketSize =	__constant_cpu_to_le16(512),
 };
 
-static struct usb_endpoint_descriptor hs_out_desc __initdata = {
+static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -199,12 +199,12 @@ static struct usb_endpoint_descriptor hs_out_desc __initdata = {
 
 static struct usb_descriptor_header *hs_eth_function[] __initdata = {
 	(struct usb_descriptor_header *) &subset_data_intf,
-	(struct usb_descriptor_header *) &header_desc,
+	(struct usb_descriptor_header *) &mdlm_header_desc,
 	(struct usb_descriptor_header *) &mdlm_desc,
 	(struct usb_descriptor_header *) &mdlm_detail_desc,
 	(struct usb_descriptor_header *) &ether_desc,
-	(struct usb_descriptor_header *) &hs_in_desc,
-	(struct usb_descriptor_header *) &hs_out_desc,
+	(struct usb_descriptor_header *) &hs_subset_in_desc,
+	(struct usb_descriptor_header *) &hs_subset_out_desc,
 	NULL,
 };
 
@@ -281,13 +281,13 @@ geth_bind(struct usb_configuration *c, struct usb_function *f)
 	status = -ENODEV;
 
 	/* allocate instance-specific endpoints */
-	ep = usb_ep_autoconfig(cdev->gadget, &fs_in_desc);
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_subset_in_desc);
 	if (!ep)
 		goto fail;
 	geth->port.in_ep = ep;
 	ep->driver_data = cdev;	/* claim */
 
-	ep = usb_ep_autoconfig(cdev->gadget, &fs_out_desc);
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_subset_out_desc);
 	if (!ep)
 		goto fail;
 	geth->port.out_ep = ep;
@@ -297,9 +297,9 @@ geth_bind(struct usb_configuration *c, struct usb_function *f)
 	f->descriptors = usb_copy_descriptors(fs_eth_function);
 
 	geth->fs.in = usb_find_endpoint(fs_eth_function,
-			f->descriptors, &fs_in_desc);
+			f->descriptors, &fs_subset_in_desc);
 	geth->fs.out = usb_find_endpoint(fs_eth_function,
-			f->descriptors, &fs_out_desc);
+			f->descriptors, &fs_subset_out_desc);
 
 
 	/* support all relevant hardware speeds... we expect that when
@@ -307,18 +307,18 @@ geth_bind(struct usb_configuration *c, struct usb_function *f)
 	 * both speeds
 	 */
 	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		hs_in_desc.bEndpointAddress =
-				fs_in_desc.bEndpointAddress;
-		hs_out_desc.bEndpointAddress =
-				fs_out_desc.bEndpointAddress;
+		hs_subset_in_desc.bEndpointAddress =
+				fs_subset_in_desc.bEndpointAddress;
+		hs_subset_out_desc.bEndpointAddress =
+				fs_subset_out_desc.bEndpointAddress;
 
 		/* copy descriptors, and track endpoint copies */
 		f->hs_descriptors = usb_copy_descriptors(hs_eth_function);
 
 		geth->hs.in = usb_find_endpoint(hs_eth_function,
-				f->hs_descriptors, &hs_in_desc);
+				f->hs_descriptors, &hs_subset_in_desc);
 		geth->hs.out = usb_find_endpoint(hs_eth_function,
-				f->hs_descriptors, &hs_out_desc);
+				f->hs_descriptors, &hs_subset_out_desc);
 	}
 
 	/* NOTE:  all that is done without knowing or caring about
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index ea2c31d1808..c4e62a6297d 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -245,6 +245,18 @@
 #include "gadget_chips.h"
 
 
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
 /*-------------------------------------------------------------------------*/
 
 #define DRIVER_DESC		"File-backed Storage Gadget"
@@ -839,7 +851,7 @@ config_desc = {
 	.bConfigurationValue =	CONFIG_VALUE,
 	.iConfiguration =	STRING_CONFIG,
 	.bmAttributes =		USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower =		1,	// self-powered
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 static struct usb_otg_descriptor
@@ -2664,11 +2676,24 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size,
 	/* Verify the length of the command itself */
 	if (cmnd_size != fsg->cmnd_size) {
 
-		/* Special case workaround: MS-Windows issues REQUEST SENSE
-		 * with cbw->Length == 12 (it should be 6). */
-		if (fsg->cmnd[0] == SC_REQUEST_SENSE && fsg->cmnd_size == 12)
+		/* Special case workaround: There are plenty of buggy SCSI
+		 * implementations. Many have issues with cbw->Length
+		 * field passing a wrong command size. For those cases we
+		 * always try to work around the problem by using the length
+		 * sent by the host side provided it is at least as large
+		 * as the correct command length.
+		 * Examples of such cases would be MS-Windows, which issues
+		 * REQUEST SENSE with cbw->Length == 12 where it should
+		 * be 6, and xbox360 issuing INQUIRY, TEST UNIT READY and
+		 * REQUEST SENSE with cbw->Length == 10 where it should
+		 * be 6 as well.
+		 */
+		if (cmnd_size <= fsg->cmnd_size) {
+			DBG(fsg, "%s is buggy! Expected length %d "
+					"but we got %d\n", name,
+					cmnd_size, fsg->cmnd_size);
 			cmnd_size = fsg->cmnd_size;
-		else {
+		} else {
 			fsg->phase_error = 1;
 			return -EINVAL;
 		}
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
new file mode 100644
index 00000000000..1fe8b44787b
--- /dev/null
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -0,0 +1,2760 @@
+/*
+ * driver/usb/gadget/fsl_qe_udc.c
+ *
+ * Copyright (c) 2006-2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 	Xie Xiaobo <X.Xie@freescale.com>
+ * 	Li Yang <leoli@freescale.com>
+ * 	Based on bareboard code from Shlomi Gridish.
+ *
+ * Description:
+ * Freescle QE/CPM USB Pheripheral Controller Driver
+ * The controller can be found on MPC8360, MPC8272, and etc.
+ * MPC8360 Rev 1.1 may need QE mircocode update
+ *
+ * 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.
+ */
+
+#undef USB_TRACE
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/moduleparam.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/otg.h>
+#include <asm/qe.h>
+#include <asm/cpm.h>
+#include <asm/dma.h>
+#include <asm/reg.h>
+#include "fsl_qe_udc.h"
+
+#define DRIVER_DESC     "Freescale QE/CPM USB Device Controller driver"
+#define DRIVER_AUTHOR   "Xie XiaoBo"
+#define DRIVER_VERSION  "1.0"
+
+#define DMA_ADDR_INVALID        (~(dma_addr_t)0)
+
+static const char driver_name[] = "fsl_qe_udc";
+static const char driver_desc[] = DRIVER_DESC;
+
+/*ep name is important in gadget, it should obey the convention of ep_match()*/
+static const char *const ep_name[] = {
+	"ep0-control", /* everyone has ep0 */
+	/* 3 configurable endpoints */
+	"ep1",
+	"ep2",
+	"ep3",
+};
+
+static struct usb_endpoint_descriptor qe_ep0_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	0,
+	.bmAttributes =		USB_ENDPOINT_XFER_CONTROL,
+	.wMaxPacketSize =	USB_MAX_CTRL_PAYLOAD,
+};
+
+/* it is initialized in probe()  */
+static struct qe_udc *udc_controller;
+
+/********************************************************************
+ *      Internal Used Function Start
+********************************************************************/
+/*-----------------------------------------------------------------
+ * done() - retire a request; caller blocked irqs
+ *--------------------------------------------------------------*/
+static void done(struct qe_ep *ep, struct qe_req *req, int status)
+{
+	struct qe_udc *udc = ep->udc;
+	unsigned char stopped = ep->stopped;
+
+	/* the req->queue pointer is used by ep_queue() func, in which
+	 * the request will be added into a udc_ep->queue 'd tail
+	 * so here the req will be dropped from the ep->queue
+	 */
+	list_del_init(&req->queue);
+
+	/* req.status should be set as -EINPROGRESS in ep_queue() */
+	if (req->req.status == -EINPROGRESS)
+		req->req.status = status;
+	else
+		status = req->req.status;
+
+	if (req->mapped) {
+		dma_unmap_single(udc->gadget.dev.parent,
+			req->req.dma, req->req.length,
+			ep_is_in(ep)
+				? DMA_TO_DEVICE
+				: DMA_FROM_DEVICE);
+		req->req.dma = DMA_ADDR_INVALID;
+		req->mapped = 0;
+	} else
+		dma_sync_single_for_cpu(udc->gadget.dev.parent,
+			req->req.dma, req->req.length,
+			ep_is_in(ep)
+				? DMA_TO_DEVICE
+				: DMA_FROM_DEVICE);
+
+	if (status && (status != -ESHUTDOWN))
+		dev_vdbg(udc->dev, "complete %s req %p stat %d len %u/%u\n",
+			ep->ep.name, &req->req, status,
+			req->req.actual, req->req.length);
+
+	/* don't modify queue heads during completion callback */
+	ep->stopped = 1;
+	spin_unlock(&udc->lock);
+
+	/* this complete() should a func implemented by gadget layer,
+	 * eg fsg->bulk_in_complete() */
+	if (req->req.complete)
+		req->req.complete(&ep->ep, &req->req);
+
+	spin_lock(&udc->lock);
+
+	ep->stopped = stopped;
+}
+
+/*-----------------------------------------------------------------
+ * nuke(): delete all requests related to this ep
+ *--------------------------------------------------------------*/
+static void nuke(struct qe_ep *ep, int status)
+{
+	/* Whether this eq has request linked */
+	while (!list_empty(&ep->queue)) {
+		struct qe_req *req = NULL;
+		req = list_entry(ep->queue.next, struct qe_req, queue);
+
+		done(ep, req, status);
+	}
+}
+
+/*---------------------------------------------------------------------------*
+ * USB and Endpoint manipulate process, include parameter and register       *
+ *---------------------------------------------------------------------------*/
+/* @value: 1--set stall 0--clean stall */
+static int qe_eprx_stall_change(struct qe_ep *ep, int value)
+{
+	u16 tem_usep;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	tem_usep = in_be16(&udc->usb_regs->usb_usep[epnum]);
+	tem_usep = tem_usep & ~USB_RHS_MASK;
+	if (value == 1)
+		tem_usep |= USB_RHS_STALL;
+	else if (ep->dir == USB_DIR_IN)
+		tem_usep |= USB_RHS_IGNORE_OUT;
+
+	out_be16(&udc->usb_regs->usb_usep[epnum], tem_usep);
+	return 0;
+}
+
+static int qe_eptx_stall_change(struct qe_ep *ep, int value)
+{
+	u16 tem_usep;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	tem_usep = in_be16(&udc->usb_regs->usb_usep[epnum]);
+	tem_usep = tem_usep & ~USB_THS_MASK;
+	if (value == 1)
+		tem_usep |= USB_THS_STALL;
+	else if (ep->dir == USB_DIR_OUT)
+		tem_usep |= USB_THS_IGNORE_IN;
+
+	out_be16(&udc->usb_regs->usb_usep[epnum], tem_usep);
+
+	return 0;
+}
+
+static int qe_ep0_stall(struct qe_udc *udc)
+{
+	qe_eptx_stall_change(&udc->eps[0], 1);
+	qe_eprx_stall_change(&udc->eps[0], 1);
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = 0;
+	return 0;
+}
+
+static int qe_eprx_nack(struct qe_ep *ep)
+{
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	if (ep->state == EP_STATE_IDLE) {
+		/* Set the ep's nack */
+		clrsetbits_be16(&udc->usb_regs->usb_usep[epnum],
+				USB_RHS_MASK, USB_RHS_NACK);
+
+		/* Mask Rx and Busy interrupts */
+		clrbits16(&udc->usb_regs->usb_usbmr,
+				(USB_E_RXB_MASK | USB_E_BSY_MASK));
+
+		ep->state = EP_STATE_NACK;
+	}
+	return 0;
+}
+
+static int qe_eprx_normal(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+
+	if (ep->state == EP_STATE_NACK) {
+		clrsetbits_be16(&udc->usb_regs->usb_usep[ep->epnum],
+				USB_RTHS_MASK, USB_THS_IGNORE_IN);
+
+		/* Unmask RX interrupts */
+		out_be16(&udc->usb_regs->usb_usber,
+				USB_E_BSY_MASK | USB_E_RXB_MASK);
+		setbits16(&udc->usb_regs->usb_usbmr,
+				(USB_E_RXB_MASK | USB_E_BSY_MASK));
+
+		ep->state = EP_STATE_IDLE;
+		ep->has_data = 0;
+	}
+
+	return 0;
+}
+
+static int qe_ep_cmd_stoptx(struct qe_ep *ep)
+{
+	if (ep->udc->soc_type == PORT_CPM)
+		cpm_command(CPM_USB_STOP_TX | (ep->epnum << CPM_USB_EP_SHIFT),
+				CPM_USB_STOP_TX_OPCODE);
+	else
+		qe_issue_cmd(QE_USB_STOP_TX, QE_CR_SUBBLOCK_USB,
+				ep->epnum, 0);
+
+	return 0;
+}
+
+static int qe_ep_cmd_restarttx(struct qe_ep *ep)
+{
+	if (ep->udc->soc_type == PORT_CPM)
+		cpm_command(CPM_USB_RESTART_TX | (ep->epnum <<
+				CPM_USB_EP_SHIFT), CPM_USB_RESTART_TX_OPCODE);
+	else
+		qe_issue_cmd(QE_USB_RESTART_TX, QE_CR_SUBBLOCK_USB,
+				ep->epnum, 0);
+
+	return 0;
+}
+
+static int qe_ep_flushtxfifo(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+	int i;
+
+	i = (int)ep->epnum;
+
+	qe_ep_cmd_stoptx(ep);
+	out_8(&udc->usb_regs->usb_uscom,
+		USB_CMD_FLUSH_FIFO | (USB_CMD_EP_MASK & (ep->epnum)));
+	out_be16(&udc->ep_param[i]->tbptr, in_be16(&udc->ep_param[i]->tbase));
+	out_be32(&udc->ep_param[i]->tstate, 0);
+	out_be16(&udc->ep_param[i]->tbcnt, 0);
+
+	ep->c_txbd = ep->txbase;
+	ep->n_txbd = ep->txbase;
+	qe_ep_cmd_restarttx(ep);
+	return 0;
+}
+
+static int qe_ep_filltxfifo(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+
+	out_8(&udc->usb_regs->usb_uscom,
+			USB_CMD_STR_FIFO | (USB_CMD_EP_MASK & (ep->epnum)));
+	return 0;
+}
+
+static int qe_epbds_reset(struct qe_udc *udc, int pipe_num)
+{
+	struct qe_ep *ep;
+	u32 bdring_len;
+	struct qe_bd __iomem *bd;
+	int i;
+
+	ep = &udc->eps[pipe_num];
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	bd = ep->rxbase;
+	for (i = 0; i < (bdring_len - 1); i++) {
+		out_be32((u32 __iomem *)bd, R_E | R_I);
+		bd++;
+	}
+	out_be32((u32 __iomem *)bd, R_E | R_I | R_W);
+
+	bd = ep->txbase;
+	for (i = 0; i < USB_BDRING_LEN_TX - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32((u32 __iomem *)bd, T_W);
+
+	return 0;
+}
+
+static int qe_ep_reset(struct qe_udc *udc, int pipe_num)
+{
+	struct qe_ep *ep;
+	u16 tmpusep;
+
+	ep = &udc->eps[pipe_num];
+	tmpusep = in_be16(&udc->usb_regs->usb_usep[pipe_num]);
+	tmpusep &= ~USB_RTHS_MASK;
+
+	switch (ep->dir) {
+	case USB_DIR_BOTH:
+		qe_ep_flushtxfifo(ep);
+		break;
+	case USB_DIR_OUT:
+		tmpusep |= USB_THS_IGNORE_IN;
+		break;
+	case USB_DIR_IN:
+		qe_ep_flushtxfifo(ep);
+		tmpusep |= USB_RHS_IGNORE_OUT;
+		break;
+	default:
+		break;
+	}
+	out_be16(&udc->usb_regs->usb_usep[pipe_num], tmpusep);
+
+	qe_epbds_reset(udc, pipe_num);
+
+	return 0;
+}
+
+static int qe_ep_toggledata01(struct qe_ep *ep)
+{
+	ep->data01 ^= 0x1;
+	return 0;
+}
+
+static int qe_ep_bd_init(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	unsigned long tmp_addr = 0;
+	struct usb_ep_para __iomem *epparam;
+	int i;
+	struct qe_bd __iomem *bd;
+	int bdring_len;
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	epparam = udc->ep_param[pipe_num];
+	/* alloc multi-ram for BD rings and set the ep parameters */
+	tmp_addr = cpm_muram_alloc(sizeof(struct qe_bd) * (bdring_len +
+				USB_BDRING_LEN_TX), QE_ALIGNMENT_OF_BD);
+	out_be16(&epparam->rbase, (u16)tmp_addr);
+	out_be16(&epparam->tbase, (u16)(tmp_addr +
+				(sizeof(struct qe_bd) * bdring_len)));
+
+	out_be16(&epparam->rbptr, in_be16(&epparam->rbase));
+	out_be16(&epparam->tbptr, in_be16(&epparam->tbase));
+
+	ep->rxbase = cpm_muram_addr(tmp_addr);
+	ep->txbase = cpm_muram_addr(tmp_addr + (sizeof(struct qe_bd)
+				* bdring_len));
+	ep->n_rxbd = ep->rxbase;
+	ep->e_rxbd = ep->rxbase;
+	ep->n_txbd = ep->txbase;
+	ep->c_txbd = ep->txbase;
+	ep->data01 = 0; /* data0 */
+
+	/* Init TX and RX bds */
+	bd = ep->rxbase;
+	for (i = 0; i < bdring_len - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32(&bd->buf, 0);
+	out_be32((u32 __iomem *)bd, R_W);
+
+	bd = ep->txbase;
+	for (i = 0; i < USB_BDRING_LEN_TX - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32(&bd->buf, 0);
+	out_be32((u32 __iomem *)bd, T_W);
+
+	return 0;
+}
+
+static int qe_ep_rxbd_update(struct qe_ep *ep)
+{
+	unsigned int size;
+	int i;
+	unsigned int tmp;
+	struct qe_bd __iomem *bd;
+	unsigned int bdring_len;
+
+	if (ep->rxbase == NULL)
+		return -EINVAL;
+
+	bd = ep->rxbase;
+
+	ep->rxframe = kmalloc(sizeof(*ep->rxframe), GFP_ATOMIC);
+	if (ep->rxframe == NULL) {
+		dev_err(ep->udc->dev, "malloc rxframe failed\n");
+		return -ENOMEM;
+	}
+
+	qe_frame_init(ep->rxframe);
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) * (bdring_len + 1);
+	ep->rxbuffer = kzalloc(size, GFP_ATOMIC);
+	if (ep->rxbuffer == NULL) {
+		dev_err(ep->udc->dev, "malloc rxbuffer failed,size=%d\n",
+				size);
+		kfree(ep->rxframe);
+		return -ENOMEM;
+	}
+
+	ep->rxbuf_d = virt_to_phys((void *)ep->rxbuffer);
+	if (ep->rxbuf_d == DMA_ADDR_INVALID) {
+		ep->rxbuf_d = dma_map_single(udc_controller->gadget.dev.parent,
+					ep->rxbuffer,
+					size,
+					DMA_FROM_DEVICE);
+		ep->rxbufmap = 1;
+	} else {
+		dma_sync_single_for_device(udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+		ep->rxbufmap = 0;
+	}
+
+	size = ep->ep.maxpacket + USB_CRC_SIZE + 2;
+	tmp = ep->rxbuf_d;
+	tmp = (u32)(((tmp >> 2) << 2) + 4);
+
+	for (i = 0; i < bdring_len - 1; i++) {
+		out_be32(&bd->buf, tmp);
+		out_be32((u32 __iomem *)bd, (R_E | R_I));
+		tmp = tmp + size;
+		bd++;
+	}
+	out_be32(&bd->buf, tmp);
+	out_be32((u32 __iomem *)bd, (R_E | R_I | R_W));
+
+	return 0;
+}
+
+static int qe_ep_register_init(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	struct usb_ep_para __iomem *epparam;
+	u16 usep, logepnum;
+	u16 tmp;
+	u8 rtfcr = 0;
+
+	epparam = udc->ep_param[pipe_num];
+
+	usep = 0;
+	logepnum = (ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+	usep |= (logepnum << USB_EPNUM_SHIFT);
+
+	switch (ep->desc->bmAttributes & 0x03) {
+	case USB_ENDPOINT_XFER_BULK:
+		usep |= USB_TRANS_BULK;
+		break;
+	case USB_ENDPOINT_XFER_ISOC:
+		usep |=  USB_TRANS_ISO;
+		break;
+	case USB_ENDPOINT_XFER_INT:
+		usep |= USB_TRANS_INT;
+		break;
+	default:
+		usep |= USB_TRANS_CTR;
+		break;
+	}
+
+	switch (ep->dir) {
+	case USB_DIR_OUT:
+		usep |= USB_THS_IGNORE_IN;
+		break;
+	case USB_DIR_IN:
+		usep |= USB_RHS_IGNORE_OUT;
+		break;
+	default:
+		break;
+	}
+	out_be16(&udc->usb_regs->usb_usep[pipe_num], usep);
+
+	rtfcr = 0x30;
+	out_8(&epparam->rbmr, rtfcr);
+	out_8(&epparam->tbmr, rtfcr);
+
+	tmp = (u16)(ep->ep.maxpacket + USB_CRC_SIZE);
+	/* MRBLR must be divisble by 4 */
+	tmp = (u16)(((tmp >> 2) << 2) + 4);
+	out_be16(&epparam->mrblr, tmp);
+
+	return 0;
+}
+
+static int qe_ep_init(struct qe_udc *udc,
+		      unsigned char pipe_num,
+		      const struct usb_endpoint_descriptor *desc)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	unsigned long flags;
+	int reval = 0;
+	u16 max = 0;
+
+	max = le16_to_cpu(desc->wMaxPacketSize);
+
+	/* check the max package size validate for this endpoint */
+	/* Refer to USB2.0 spec table 9-13,
+	*/
+	if (pipe_num != 0) {
+		switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+		case USB_ENDPOINT_XFER_BULK:
+			if (strstr(ep->ep.name, "-iso")
+					|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+			if ((max == 128) || (max == 256) || (max == 512))
+				break;
+			default:
+				switch (max) {
+				case 4:
+				case 8:
+				case 16:
+				case 32:
+				case 64:
+					break;
+				default:
+				case USB_SPEED_LOW:
+					goto en_done;
+				}
+			}
+			break;
+		case USB_ENDPOINT_XFER_INT:
+			if (strstr(ep->ep.name, "-iso"))	/* bulk is ok */
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+				if (max <= 1024)
+					break;
+			case USB_SPEED_FULL:
+				if (max <= 64)
+					break;
+			default:
+				if (max <= 8)
+					break;
+				goto en_done;
+			}
+			break;
+		case USB_ENDPOINT_XFER_ISOC:
+			if (strstr(ep->ep.name, "-bulk")
+				|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+				if (max <= 1024)
+					break;
+			case USB_SPEED_FULL:
+				if (max <= 1023)
+					break;
+			default:
+				goto en_done;
+			}
+			break;
+		case USB_ENDPOINT_XFER_CONTROL:
+			if (strstr(ep->ep.name, "-iso")
+				|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+			case USB_SPEED_FULL:
+				switch (max) {
+				case 1:
+				case 2:
+				case 4:
+				case 8:
+				case 16:
+				case 32:
+				case 64:
+					break;
+				default:
+					goto en_done;
+				}
+			case USB_SPEED_LOW:
+				switch (max) {
+				case 1:
+				case 2:
+				case 4:
+				case 8:
+					break;
+				default:
+					goto en_done;
+				}
+			default:
+				goto en_done;
+			}
+			break;
+
+		default:
+			goto en_done;
+		}
+	} /* if ep0*/
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	/* initialize ep structure */
+	ep->ep.maxpacket = max;
+	ep->tm = (u8)(desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
+	ep->desc = desc;
+	ep->stopped = 0;
+	ep->init = 1;
+
+	if (pipe_num == 0) {
+		ep->dir = USB_DIR_BOTH;
+		udc->ep0_dir = USB_DIR_OUT;
+		udc->ep0_state = WAIT_FOR_SETUP;
+	} else	{
+		switch (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) {
+		case USB_DIR_OUT:
+			ep->dir = USB_DIR_OUT;
+			break;
+		case USB_DIR_IN:
+			ep->dir = USB_DIR_IN;
+		default:
+			break;
+		}
+	}
+
+	/* hardware special operation */
+	qe_ep_bd_init(udc, pipe_num);
+	if ((ep->tm == USBP_TM_CTL) || (ep->dir == USB_DIR_OUT)) {
+		reval = qe_ep_rxbd_update(ep);
+		if (reval)
+			goto en_done1;
+	}
+
+	if ((ep->tm == USBP_TM_CTL) || (ep->dir == USB_DIR_IN)) {
+		ep->txframe = kmalloc(sizeof(*ep->txframe), GFP_ATOMIC);
+		if (ep->txframe == NULL) {
+			dev_err(udc->dev, "malloc txframe failed\n");
+			goto en_done2;
+		}
+		qe_frame_init(ep->txframe);
+	}
+
+	qe_ep_register_init(udc, pipe_num);
+
+	/* Now HW will be NAKing transfers to that EP,
+	 * until a buffer is queued to it. */
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+en_done2:
+	kfree(ep->rxbuffer);
+	kfree(ep->rxframe);
+en_done1:
+	spin_unlock_irqrestore(&udc->lock, flags);
+en_done:
+	dev_dbg(udc->dev, "failed to initialize %s\n", ep->ep.name);
+	return -ENODEV;
+}
+
+static inline void qe_usb_enable(void)
+{
+	setbits8(&udc_controller->usb_regs->usb_usmod, USB_MODE_EN);
+}
+
+static inline void qe_usb_disable(void)
+{
+	clrbits8(&udc_controller->usb_regs->usb_usmod, USB_MODE_EN);
+}
+
+/*----------------------------------------------------------------------------*
+ *		USB and EP basic manipulate function end		      *
+ *----------------------------------------------------------------------------*/
+
+
+/******************************************************************************
+		UDC transmit and receive process
+ ******************************************************************************/
+static void recycle_one_rxbd(struct qe_ep *ep)
+{
+	u32 bdstatus;
+
+	bdstatus = in_be32((u32 __iomem *)ep->e_rxbd);
+	bdstatus = R_I | R_E | (bdstatus & R_W);
+	out_be32((u32 __iomem *)ep->e_rxbd, bdstatus);
+
+	if (bdstatus & R_W)
+		ep->e_rxbd = ep->rxbase;
+	else
+		ep->e_rxbd++;
+}
+
+static void recycle_rxbds(struct qe_ep *ep, unsigned char stopatnext)
+{
+	u32 bdstatus;
+	struct qe_bd __iomem *bd, *nextbd;
+	unsigned char stop = 0;
+
+	nextbd = ep->n_rxbd;
+	bd = ep->e_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+
+	while (!(bdstatus & R_E) && !(bdstatus & BD_LENGTH_MASK) && !stop) {
+		bdstatus = R_E | R_I | (bdstatus & R_W);
+		out_be32((u32 __iomem *)bd, bdstatus);
+
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		if (stopatnext && (bd == nextbd))
+			stop = 1;
+	}
+
+	ep->e_rxbd = bd;
+}
+
+static void ep_recycle_rxbds(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd = ep->n_rxbd;
+	u32 bdstatus;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	bdstatus = in_be32((u32 __iomem *)bd);
+	if (!(bdstatus & R_E) && !(bdstatus & BD_LENGTH_MASK)) {
+		bd = ep->rxbase +
+				((in_be16(&udc->ep_param[epnum]->rbptr) -
+				  in_be16(&udc->ep_param[epnum]->rbase))
+				 >> 3);
+		bdstatus = in_be32((u32 __iomem *)bd);
+
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		ep->e_rxbd = bd;
+		recycle_rxbds(ep, 0);
+		ep->e_rxbd = ep->n_rxbd;
+	} else
+		recycle_rxbds(ep, 1);
+
+	if (in_be16(&udc->usb_regs->usb_usber) & USB_E_BSY_MASK)
+		out_be16(&udc->usb_regs->usb_usber, USB_E_BSY_MASK);
+
+	if (ep->has_data <= 0 && (!list_empty(&ep->queue)))
+		qe_eprx_normal(ep);
+
+	ep->localnack = 0;
+}
+
+static void setup_received_handle(struct qe_udc *udc,
+					struct usb_ctrlrequest *setup);
+static int qe_ep_rxframe_handle(struct qe_ep *ep);
+static void ep0_req_complete(struct qe_udc *udc, struct qe_req *req);
+/* when BD PID is setup, handle the packet */
+static int ep0_setup_handle(struct qe_udc *udc)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	struct qe_frame *pframe;
+	unsigned int fsize;
+	u8 *cp;
+
+	pframe = ep->rxframe;
+	if ((frame_get_info(pframe) & PID_SETUP)
+			&& (udc->ep0_state == WAIT_FOR_SETUP)) {
+		fsize = frame_get_length(pframe);
+		if (unlikely(fsize != 8))
+			return -EINVAL;
+		cp = (u8 *)&udc->local_setup_buff;
+		memcpy(cp, pframe->data, fsize);
+		ep->data01 = 1;
+
+		/* handle the usb command base on the usb_ctrlrequest */
+		setup_received_handle(udc, &udc->local_setup_buff);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int qe_ep0_rx(struct qe_udc *udc)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	u32 bdstatus, length;
+	u32 vaddr;
+
+	pframe = ep->rxframe;
+
+	if (ep->dir == USB_DIR_IN) {
+		dev_err(udc->dev, "ep0 not a control endpoint\n");
+		return -EINVAL;
+	}
+
+	bd = ep->n_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	length = bdstatus & BD_LENGTH_MASK;
+
+	while (!(bdstatus & R_E) && length) {
+		if ((bdstatus & R_F) && (bdstatus & R_L)
+			&& !(bdstatus & R_ERROR)) {
+			if (length == USB_CRC_SIZE) {
+				udc->ep0_state = WAIT_FOR_SETUP;
+				dev_vdbg(udc->dev,
+					"receive a ZLP in status phase\n");
+			} else {
+				qe_frame_clean(pframe);
+				vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+				frame_set_data(pframe, (u8 *)vaddr);
+				frame_set_length(pframe,
+						(length - USB_CRC_SIZE));
+				frame_set_status(pframe, FRAME_OK);
+				switch (bdstatus & R_PID) {
+				case R_PID_SETUP:
+					frame_set_info(pframe, PID_SETUP);
+					break;
+				case R_PID_DATA1:
+					frame_set_info(pframe, PID_DATA1);
+					break;
+				default:
+					frame_set_info(pframe, PID_DATA0);
+					break;
+				}
+
+				if ((bdstatus & R_PID) == R_PID_SETUP)
+					ep0_setup_handle(udc);
+				else
+					qe_ep_rxframe_handle(ep);
+			}
+		} else {
+			dev_err(udc->dev, "The receive frame with error!\n");
+		}
+
+		/* note: don't clear the rxbd's buffer address */
+		recycle_one_rxbd(ep);
+
+		/* Get next BD */
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+
+	}
+
+	ep->n_rxbd = bd;
+
+	return 0;
+}
+
+static int qe_ep_rxframe_handle(struct qe_ep *ep)
+{
+	struct qe_frame *pframe;
+	u8 framepid = 0;
+	unsigned int fsize;
+	u8 *cp;
+	struct qe_req *req;
+
+	pframe = ep->rxframe;
+
+	if (frame_get_info(pframe) & PID_DATA1)
+		framepid = 0x1;
+
+	if (framepid != ep->data01) {
+		dev_err(ep->udc->dev, "the data01 error!\n");
+		return -EIO;
+	}
+
+	fsize = frame_get_length(pframe);
+	if (list_empty(&ep->queue)) {
+		dev_err(ep->udc->dev, "the %s have no requeue!\n", ep->name);
+	} else {
+		req = list_entry(ep->queue.next, struct qe_req, queue);
+
+		cp = (u8 *)(req->req.buf) + req->req.actual;
+		if (cp) {
+			memcpy(cp, pframe->data, fsize);
+			req->req.actual += fsize;
+			if ((fsize < ep->ep.maxpacket) ||
+					(req->req.actual >= req->req.length)) {
+				if (ep->epnum == 0)
+					ep0_req_complete(ep->udc, req);
+				else
+					done(ep, req, 0);
+				if (list_empty(&ep->queue) && ep->epnum != 0)
+					qe_eprx_nack(ep);
+			}
+		}
+	}
+
+	qe_ep_toggledata01(ep);
+
+	return 0;
+}
+
+static void ep_rx_tasklet(unsigned long data)
+{
+	struct qe_udc *udc = (struct qe_udc *)data;
+	struct qe_ep *ep;
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	unsigned long flags;
+	u32 bdstatus, length;
+	u32 vaddr, i;
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	for (i = 1; i < USB_MAX_ENDPOINTS; i++) {
+		ep = &udc->eps[i];
+
+		if (ep->dir == USB_DIR_IN || ep->enable_tasklet == 0) {
+			dev_dbg(udc->dev,
+				"This is a transmit ep or disable tasklet!\n");
+			continue;
+		}
+
+		pframe = ep->rxframe;
+		bd = ep->n_rxbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+
+		while (!(bdstatus & R_E) && length) {
+			if (list_empty(&ep->queue)) {
+				qe_eprx_nack(ep);
+				dev_dbg(udc->dev,
+					"The rxep have noreq %d\n",
+					ep->has_data);
+				break;
+			}
+
+			if ((bdstatus & R_F) && (bdstatus & R_L)
+				&& !(bdstatus & R_ERROR)) {
+				qe_frame_clean(pframe);
+				vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+				frame_set_data(pframe, (u8 *)vaddr);
+				frame_set_length(pframe,
+						(length - USB_CRC_SIZE));
+				frame_set_status(pframe, FRAME_OK);
+				switch (bdstatus & R_PID) {
+				case R_PID_DATA1:
+					frame_set_info(pframe, PID_DATA1);
+					break;
+				case R_PID_SETUP:
+					frame_set_info(pframe, PID_SETUP);
+					break;
+				default:
+					frame_set_info(pframe, PID_DATA0);
+					break;
+				}
+				/* handle the rx frame */
+				qe_ep_rxframe_handle(ep);
+			} else {
+				dev_err(udc->dev,
+					"error in received frame\n");
+			}
+			/* note: don't clear the rxbd's buffer address */
+			/*clear the length */
+			out_be32((u32 __iomem *)bd, bdstatus & BD_STATUS_MASK);
+			ep->has_data--;
+			if (!(ep->localnack))
+				recycle_one_rxbd(ep);
+
+			/* Get next BD */
+			if (bdstatus & R_W)
+				bd = ep->rxbase;
+			else
+				bd++;
+
+			bdstatus = in_be32((u32 __iomem *)bd);
+			length = bdstatus & BD_LENGTH_MASK;
+		}
+
+		ep->n_rxbd = bd;
+
+		if (ep->localnack)
+			ep_recycle_rxbds(ep);
+
+		ep->enable_tasklet = 0;
+	} /* for i=1 */
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+}
+
+static int qe_ep_rx(struct qe_ep *ep)
+{
+	struct qe_udc *udc;
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	u16 swoffs, ucoffs, emptybds;
+
+	udc = ep->udc;
+	pframe = ep->rxframe;
+
+	if (ep->dir == USB_DIR_IN) {
+		dev_err(udc->dev, "transmit ep in rx function\n");
+		return -EINVAL;
+	}
+
+	bd = ep->n_rxbd;
+
+	swoffs = (u16)(bd - ep->rxbase);
+	ucoffs = (u16)((in_be16(&udc->ep_param[ep->epnum]->rbptr) -
+			in_be16(&udc->ep_param[ep->epnum]->rbase)) >> 3);
+	if (swoffs < ucoffs)
+		emptybds = USB_BDRING_LEN_RX - ucoffs + swoffs;
+	else
+		emptybds = swoffs - ucoffs;
+
+	if (emptybds < MIN_EMPTY_BDS) {
+		qe_eprx_nack(ep);
+		ep->localnack = 1;
+		dev_vdbg(udc->dev, "%d empty bds, send NACK\n", emptybds);
+	}
+	ep->has_data = USB_BDRING_LEN_RX - emptybds;
+
+	if (list_empty(&ep->queue)) {
+		qe_eprx_nack(ep);
+		dev_vdbg(udc->dev, "The rxep have no req queued with %d BDs\n",
+				ep->has_data);
+		return 0;
+	}
+
+	tasklet_schedule(&udc->rx_tasklet);
+	ep->enable_tasklet = 1;
+
+	return 0;
+}
+
+/* send data from a frame, no matter what tx_req */
+static int qe_ep_tx(struct qe_ep *ep, struct qe_frame *frame)
+{
+	struct qe_udc *udc = ep->udc;
+	struct qe_bd __iomem *bd;
+	u16 saveusbmr;
+	u32 bdstatus, pidmask;
+	u32 paddr;
+
+	if (ep->dir == USB_DIR_OUT) {
+		dev_err(udc->dev, "receive ep passed to tx function\n");
+		return -EINVAL;
+	}
+
+	/* Disable the Tx interrupt */
+	saveusbmr = in_be16(&udc->usb_regs->usb_usbmr);
+	out_be16(&udc->usb_regs->usb_usbmr,
+			saveusbmr & ~(USB_E_TXB_MASK | USB_E_TXE_MASK));
+
+	bd = ep->n_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+
+	if (!(bdstatus & (T_R | BD_LENGTH_MASK))) {
+		if (frame_get_length(frame) == 0) {
+			frame_set_data(frame, udc->nullbuf);
+			frame_set_length(frame, 2);
+			frame->info |= (ZLP | NO_CRC);
+			dev_vdbg(udc->dev, "the frame size = 0\n");
+		}
+		paddr = virt_to_phys((void *)frame->data);
+		out_be32(&bd->buf, paddr);
+		bdstatus = (bdstatus&T_W);
+		if (!(frame_get_info(frame) & NO_CRC))
+			bdstatus |= T_R | T_I | T_L | T_TC
+					| frame_get_length(frame);
+		else
+			bdstatus |= T_R | T_I | T_L | frame_get_length(frame);
+
+		/* if the packet is a ZLP in status phase */
+		if ((ep->epnum == 0) && (udc->ep0_state == DATA_STATE_NEED_ZLP))
+			ep->data01 = 0x1;
+
+		if (ep->data01) {
+			pidmask = T_PID_DATA1;
+			frame->info |= PID_DATA1;
+		} else {
+			pidmask = T_PID_DATA0;
+			frame->info |= PID_DATA0;
+		}
+		bdstatus |= T_CNF;
+		bdstatus |= pidmask;
+		out_be32((u32 __iomem *)bd, bdstatus);
+		qe_ep_filltxfifo(ep);
+
+		/* enable the TX interrupt */
+		out_be16(&udc->usb_regs->usb_usbmr, saveusbmr);
+
+		qe_ep_toggledata01(ep);
+		if (bdstatus & T_W)
+			ep->n_txbd = ep->txbase;
+		else
+			ep->n_txbd++;
+
+		return 0;
+	} else {
+		out_be16(&udc->usb_regs->usb_usbmr, saveusbmr);
+		dev_vdbg(udc->dev, "The tx bd is not ready!\n");
+		return -EBUSY;
+	}
+}
+
+/* when a bd was transmitted, the function can
+ * handle the tx_req, not include ep0           */
+static int txcomplete(struct qe_ep *ep, unsigned char restart)
+{
+	if (ep->tx_req != NULL) {
+		if (!restart) {
+			int asent = ep->last;
+			ep->sent += asent;
+			ep->last -= asent;
+		} else {
+			ep->last = 0;
+		}
+
+		/* a request already were transmitted completely */
+		if ((ep->tx_req->req.length - ep->sent) <= 0) {
+			ep->tx_req->req.actual = (unsigned int)ep->sent;
+			done(ep, ep->tx_req, 0);
+			ep->tx_req = NULL;
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	}
+
+	/* we should gain a new tx_req fot this endpoint */
+	if (ep->tx_req == NULL) {
+		if (!list_empty(&ep->queue)) {
+			ep->tx_req = list_entry(ep->queue.next,	struct qe_req,
+							queue);
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	}
+
+	return 0;
+}
+
+/* give a frame and a tx_req, send some data */
+static int qe_usb_senddata(struct qe_ep *ep, struct qe_frame *frame)
+{
+	unsigned int size;
+	u8 *buf;
+
+	qe_frame_clean(frame);
+	size = min_t(u32, (ep->tx_req->req.length - ep->sent),
+				ep->ep.maxpacket);
+	buf = (u8 *)ep->tx_req->req.buf + ep->sent;
+	if (buf && size) {
+		ep->last = size;
+		frame_set_data(frame, buf);
+		frame_set_length(frame, size);
+		frame_set_status(frame, FRAME_OK);
+		frame_set_info(frame, 0);
+		return qe_ep_tx(ep, frame);
+	}
+	return -EIO;
+}
+
+/* give a frame struct,send a ZLP */
+static int sendnulldata(struct qe_ep *ep, struct qe_frame *frame, uint infor)
+{
+	struct qe_udc *udc = ep->udc;
+
+	if (frame == NULL)
+		return -ENODEV;
+
+	qe_frame_clean(frame);
+	frame_set_data(frame, (u8 *)udc->nullbuf);
+	frame_set_length(frame, 2);
+	frame_set_status(frame, FRAME_OK);
+	frame_set_info(frame, (ZLP | NO_CRC | infor));
+
+	return qe_ep_tx(ep, frame);
+}
+
+static int frame_create_tx(struct qe_ep *ep, struct qe_frame *frame)
+{
+	struct qe_req *req = ep->tx_req;
+	int reval;
+
+	if (req == NULL)
+		return -ENODEV;
+
+	if ((req->req.length - ep->sent) > 0)
+		reval = qe_usb_senddata(ep, frame);
+	else
+		reval = sendnulldata(ep, frame, 0);
+
+	return reval;
+}
+
+/* if direction is DIR_IN, the status is Device->Host
+ * if direction is DIR_OUT, the status transaction is Device<-Host
+ * in status phase, udc create a request and gain status */
+static int ep0_prime_status(struct qe_udc *udc, int direction)
+{
+
+	struct qe_ep *ep = &udc->eps[0];
+
+	if (direction == USB_DIR_IN) {
+		udc->ep0_state = DATA_STATE_NEED_ZLP;
+		udc->ep0_dir = USB_DIR_IN;
+		sendnulldata(ep, ep->txframe, SETUP_STATUS | NO_REQ);
+	} else {
+		udc->ep0_dir = USB_DIR_OUT;
+		udc->ep0_state = WAIT_FOR_OUT_STATUS;
+	}
+
+	return 0;
+}
+
+/* a request complete in ep0, whether gadget request or udc request */
+static void ep0_req_complete(struct qe_udc *udc, struct qe_req *req)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	/* because usb and ep's status already been set in ch9setaddress() */
+
+	switch (udc->ep0_state) {
+	case DATA_STATE_XMIT:
+		done(ep, req, 0);
+		/* receive status phase */
+		if (ep0_prime_status(udc, USB_DIR_OUT))
+			qe_ep0_stall(udc);
+		break;
+
+	case DATA_STATE_NEED_ZLP:
+		done(ep, req, 0);
+		udc->ep0_state = WAIT_FOR_SETUP;
+		break;
+
+	case DATA_STATE_RECV:
+		done(ep, req, 0);
+		/* send status phase */
+		if (ep0_prime_status(udc, USB_DIR_IN))
+			qe_ep0_stall(udc);
+		break;
+
+	case WAIT_FOR_OUT_STATUS:
+		done(ep, req, 0);
+		udc->ep0_state = WAIT_FOR_SETUP;
+		break;
+
+	case WAIT_FOR_SETUP:
+		dev_vdbg(udc->dev, "Unexpected interrupt\n");
+		break;
+
+	default:
+		qe_ep0_stall(udc);
+		break;
+	}
+}
+
+static int ep0_txcomplete(struct qe_ep *ep, unsigned char restart)
+{
+	struct qe_req *tx_req = NULL;
+	struct qe_frame *frame = ep->txframe;
+
+	if ((frame_get_info(frame) & (ZLP | NO_REQ)) == (ZLP | NO_REQ)) {
+		if (!restart)
+			ep->udc->ep0_state = WAIT_FOR_SETUP;
+		else
+			sendnulldata(ep, ep->txframe, SETUP_STATUS | NO_REQ);
+		return 0;
+	}
+
+	tx_req = ep->tx_req;
+	if (tx_req != NULL) {
+		if (!restart) {
+			int asent = ep->last;
+			ep->sent += asent;
+			ep->last -= asent;
+		} else {
+			ep->last = 0;
+		}
+
+		/* a request already were transmitted completely */
+		if ((ep->tx_req->req.length - ep->sent) <= 0) {
+			ep->tx_req->req.actual = (unsigned int)ep->sent;
+			ep0_req_complete(ep->udc, ep->tx_req);
+			ep->tx_req = NULL;
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	} else {
+		dev_vdbg(ep->udc->dev, "the ep0_controller have no req\n");
+	}
+
+	return 0;
+}
+
+static int ep0_txframe_handle(struct qe_ep *ep)
+{
+	/* if have error, transmit again */
+	if (frame_get_status(ep->txframe) & FRAME_ERROR) {
+		qe_ep_flushtxfifo(ep);
+		dev_vdbg(ep->udc->dev, "The EP0 transmit data have error!\n");
+		if (frame_get_info(ep->txframe) & PID_DATA0)
+			ep->data01 = 0;
+		else
+			ep->data01 = 1;
+
+		ep0_txcomplete(ep, 1);
+	} else
+		ep0_txcomplete(ep, 0);
+
+	frame_create_tx(ep, ep->txframe);
+	return 0;
+}
+
+static int qe_ep0_txconf(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd;
+	struct qe_frame *pframe;
+	u32 bdstatus;
+
+	bd = ep->c_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
+		pframe = ep->txframe;
+
+		/* clear and recycle the BD */
+		out_be32((u32 __iomem *)bd, bdstatus & T_W);
+		out_be32(&bd->buf, 0);
+		if (bdstatus & T_W)
+			ep->c_txbd = ep->txbase;
+		else
+			ep->c_txbd++;
+
+		if (ep->c_txbd == ep->n_txbd) {
+			if (bdstatus & DEVICE_T_ERROR) {
+				frame_set_status(pframe, FRAME_ERROR);
+				if (bdstatus & T_TO)
+					pframe->status |= TX_ER_TIMEOUT;
+				if (bdstatus & T_UN)
+					pframe->status |= TX_ER_UNDERUN;
+			}
+			ep0_txframe_handle(ep);
+		}
+
+		bd = ep->c_txbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+	}
+
+	return 0;
+}
+
+static int ep_txframe_handle(struct qe_ep *ep)
+{
+	if (frame_get_status(ep->txframe) & FRAME_ERROR) {
+		qe_ep_flushtxfifo(ep);
+		dev_vdbg(ep->udc->dev, "The EP0 transmit data have error!\n");
+		if (frame_get_info(ep->txframe) & PID_DATA0)
+			ep->data01 = 0;
+		else
+			ep->data01 = 1;
+
+		txcomplete(ep, 1);
+	} else
+		txcomplete(ep, 0);
+
+	frame_create_tx(ep, ep->txframe); /* send the data */
+	return 0;
+}
+
+/* confirm the already trainsmited bd */
+static int qe_ep_txconf(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd;
+	struct qe_frame *pframe = NULL;
+	u32 bdstatus;
+	unsigned char breakonrxinterrupt = 0;
+
+	bd = ep->c_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
+		pframe = ep->txframe;
+		if (bdstatus & DEVICE_T_ERROR) {
+			frame_set_status(pframe, FRAME_ERROR);
+			if (bdstatus & T_TO)
+				pframe->status |= TX_ER_TIMEOUT;
+			if (bdstatus & T_UN)
+				pframe->status |= TX_ER_UNDERUN;
+		}
+
+		/* clear and recycle the BD */
+		out_be32((u32 __iomem *)bd, bdstatus & T_W);
+		out_be32(&bd->buf, 0);
+		if (bdstatus & T_W)
+			ep->c_txbd = ep->txbase;
+		else
+			ep->c_txbd++;
+
+		/* handle the tx frame */
+		ep_txframe_handle(ep);
+		bd = ep->c_txbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+	}
+	if (breakonrxinterrupt)
+		return -EIO;
+	else
+		return 0;
+}
+
+/* Add a request in queue, and try to transmit a packet */
+static int ep_req_send(struct qe_ep *ep, struct qe_req *req)
+{
+	int reval = 0;
+
+	if (ep->tx_req == NULL) {
+		ep->sent = 0;
+		ep->last = 0;
+		txcomplete(ep, 0); /* can gain a new tx_req */
+		reval = frame_create_tx(ep, ep->txframe);
+	}
+	return reval;
+}
+
+/* Maybe this is a good ideal */
+static int ep_req_rx(struct qe_ep *ep, struct qe_req *req)
+{
+	struct qe_udc *udc = ep->udc;
+	struct qe_frame *pframe = NULL;
+	struct qe_bd __iomem *bd;
+	u32 bdstatus, length;
+	u32 vaddr, fsize;
+	u8 *cp;
+	u8 finish_req = 0;
+	u8 framepid;
+
+	if (list_empty(&ep->queue)) {
+		dev_vdbg(udc->dev, "the req already finish!\n");
+		return 0;
+	}
+	pframe = ep->rxframe;
+
+	bd = ep->n_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	length = bdstatus & BD_LENGTH_MASK;
+
+	while (!(bdstatus & R_E) && length) {
+		if (finish_req)
+			break;
+		if ((bdstatus & R_F) && (bdstatus & R_L)
+					&& !(bdstatus & R_ERROR)) {
+			qe_frame_clean(pframe);
+			vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+			frame_set_data(pframe, (u8 *)vaddr);
+			frame_set_length(pframe, (length - USB_CRC_SIZE));
+			frame_set_status(pframe, FRAME_OK);
+			switch (bdstatus & R_PID) {
+			case R_PID_DATA1:
+				frame_set_info(pframe, PID_DATA1); break;
+			default:
+				frame_set_info(pframe, PID_DATA0); break;
+			}
+			/* handle the rx frame */
+
+			if (frame_get_info(pframe) & PID_DATA1)
+				framepid = 0x1;
+			else
+				framepid = 0;
+
+			if (framepid != ep->data01) {
+				dev_vdbg(udc->dev, "the data01 error!\n");
+			} else {
+				fsize = frame_get_length(pframe);
+
+				cp = (u8 *)(req->req.buf) + req->req.actual;
+				if (cp) {
+					memcpy(cp, pframe->data, fsize);
+					req->req.actual += fsize;
+					if ((fsize < ep->ep.maxpacket)
+						|| (req->req.actual >=
+							req->req.length)) {
+						finish_req = 1;
+						done(ep, req, 0);
+						if (list_empty(&ep->queue))
+							qe_eprx_nack(ep);
+					}
+				}
+				qe_ep_toggledata01(ep);
+			}
+		} else {
+			dev_err(udc->dev, "The receive frame with error!\n");
+		}
+
+		/* note: don't clear the rxbd's buffer address *
+		 * only Clear the length */
+		out_be32((u32 __iomem *)bd, (bdstatus & BD_STATUS_MASK));
+		ep->has_data--;
+
+		/* Get next BD */
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+	}
+
+	ep->n_rxbd = bd;
+	ep_recycle_rxbds(ep);
+
+	return 0;
+}
+
+/* only add the request in queue */
+static int ep_req_receive(struct qe_ep *ep, struct qe_req *req)
+{
+	if (ep->state == EP_STATE_NACK) {
+		if (ep->has_data <= 0) {
+			/* Enable rx and unmask rx interrupt */
+			qe_eprx_normal(ep);
+		} else {
+			/* Copy the exist BD data */
+			ep_req_rx(ep, req);
+		}
+	}
+
+	return 0;
+}
+
+/********************************************************************
+	Internal Used Function End
+********************************************************************/
+
+/*-----------------------------------------------------------------------
+	Endpoint Management Functions For Gadget
+ -----------------------------------------------------------------------*/
+static int qe_ep_enable(struct usb_ep *_ep,
+			 const struct usb_endpoint_descriptor *desc)
+{
+	struct qe_udc *udc;
+	struct qe_ep *ep;
+	int retval = 0;
+	unsigned char epnum;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+
+	/* catch various bogus parameters */
+	if (!_ep || !desc || ep->desc || _ep->name == ep_name[0] ||
+			(desc->bDescriptorType != USB_DT_ENDPOINT))
+		return -EINVAL;
+
+	udc = ep->udc;
+	if (!udc->driver || (udc->gadget.speed == USB_SPEED_UNKNOWN))
+		return -ESHUTDOWN;
+
+	epnum = (u8)desc->bEndpointAddress & 0xF;
+
+	retval = qe_ep_init(udc, epnum, desc);
+	if (retval != 0) {
+		cpm_muram_free(cpm_muram_offset(ep->rxbase));
+		dev_dbg(udc->dev, "enable ep%d failed\n", ep->epnum);
+		return -EINVAL;
+	}
+	dev_dbg(udc->dev, "enable ep%d successful\n", ep->epnum);
+	return 0;
+}
+
+static int qe_ep_disable(struct usb_ep *_ep)
+{
+	struct qe_udc *udc;
+	struct qe_ep *ep;
+	unsigned long flags;
+	unsigned int size;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+	udc = ep->udc;
+
+	if (!_ep || !ep->desc) {
+		dev_dbg(udc->dev, "%s not enabled\n", _ep ? ep->ep.name : NULL);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&udc->lock, flags);
+	/* Nuke all pending requests (does flush) */
+	nuke(ep, -ESHUTDOWN);
+	ep->desc = NULL;
+	ep->stopped = 1;
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+
+	if (ep->dir == USB_DIR_OUT)
+		size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) *
+				(USB_BDRING_LEN_RX + 1);
+	else
+		size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) *
+				(USB_BDRING_LEN + 1);
+
+	if (ep->dir != USB_DIR_IN) {
+		kfree(ep->rxframe);
+		if (ep->rxbufmap) {
+			dma_unmap_single(udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+			ep->rxbuf_d = DMA_ADDR_INVALID;
+		} else {
+			dma_sync_single_for_cpu(
+					udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+		}
+		kfree(ep->rxbuffer);
+	}
+
+	if (ep->dir != USB_DIR_OUT)
+		kfree(ep->txframe);
+
+	dev_dbg(udc->dev, "disabled %s OK\n", _ep->name);
+	return 0;
+}
+
+static struct usb_request *qe_alloc_request(struct usb_ep *_ep,	gfp_t gfp_flags)
+{
+	struct qe_req *req;
+
+	req = kzalloc(sizeof(*req), gfp_flags);
+	if (!req)
+		return NULL;
+
+	req->req.dma = DMA_ADDR_INVALID;
+
+	INIT_LIST_HEAD(&req->queue);
+
+	return &req->req;
+}
+
+static void qe_free_request(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_req *req;
+
+	req = container_of(_req, struct qe_req, req);
+
+	if (_req)
+		kfree(req);
+}
+
+/* queues (submits) an I/O request to an endpoint */
+static int qe_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
+				gfp_t gfp_flags)
+{
+	struct qe_ep *ep = container_of(_ep, struct qe_ep, ep);
+	struct qe_req *req = container_of(_req, struct qe_req, req);
+	struct qe_udc *udc;
+	unsigned long flags;
+	int reval;
+
+	udc = ep->udc;
+	/* catch various bogus parameters */
+	if (!_req || !req->req.complete || !req->req.buf
+			|| !list_empty(&req->queue)) {
+		dev_dbg(udc->dev, "bad params\n");
+		return -EINVAL;
+	}
+	if (!_ep || (!ep->desc && ep_index(ep))) {
+		dev_dbg(udc->dev, "bad ep\n");
+		return -EINVAL;
+	}
+
+	if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
+		return -ESHUTDOWN;
+
+	req->ep = ep;
+
+	/* map virtual address to hardware */
+	if (req->req.dma == DMA_ADDR_INVALID) {
+		req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
+					req->req.buf,
+					req->req.length,
+					ep_is_in(ep)
+					? DMA_TO_DEVICE :
+					DMA_FROM_DEVICE);
+		req->mapped = 1;
+	} else {
+		dma_sync_single_for_device(ep->udc->gadget.dev.parent,
+					req->req.dma, req->req.length,
+					ep_is_in(ep)
+					? DMA_TO_DEVICE :
+					DMA_FROM_DEVICE);
+		req->mapped = 0;
+	}
+
+	req->req.status = -EINPROGRESS;
+	req->req.actual = 0;
+
+	list_add_tail(&req->queue, &ep->queue);
+	dev_vdbg(udc->dev, "gadget have request in %s! %d\n",
+			ep->name, req->req.length);
+	spin_lock_irqsave(&udc->lock, flags);
+	/* push the request to device */
+	if (ep_is_in(ep))
+		reval = ep_req_send(ep, req);
+
+	/* EP0 */
+	if (ep_index(ep) == 0 && req->req.length > 0) {
+		if (ep_is_in(ep))
+			udc->ep0_state = DATA_STATE_XMIT;
+		else
+			udc->ep0_state = DATA_STATE_RECV;
+	}
+
+	if (ep->dir == USB_DIR_OUT)
+		reval = ep_req_receive(ep, req);
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+}
+
+/* dequeues (cancels, unlinks) an I/O request from an endpoint */
+static int qe_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_ep *ep = container_of(_ep, struct qe_ep, ep);
+	struct qe_req *req;
+	unsigned long flags;
+
+	if (!_ep || !_req)
+		return -EINVAL;
+
+	spin_lock_irqsave(&ep->udc->lock, flags);
+
+	/* make sure it's actually queued on this endpoint */
+	list_for_each_entry(req, &ep->queue, queue) {
+		if (&req->req == _req)
+			break;
+	}
+
+	if (&req->req != _req) {
+		spin_unlock_irqrestore(&ep->udc->lock, flags);
+		return -EINVAL;
+	}
+
+	done(ep, req, -ECONNRESET);
+
+	spin_unlock_irqrestore(&ep->udc->lock, flags);
+	return 0;
+}
+
+/*-----------------------------------------------------------------
+ * modify the endpoint halt feature
+ * @ep: the non-isochronous endpoint being stalled
+ * @value: 1--set halt  0--clear halt
+ * Returns zero, or a negative error code.
+*----------------------------------------------------------------*/
+static int qe_ep_set_halt(struct usb_ep *_ep, int value)
+{
+	struct qe_ep *ep;
+	unsigned long flags;
+	int status = -EOPNOTSUPP;
+	struct qe_udc *udc;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+	if (!_ep || !ep->desc) {
+		status = -EINVAL;
+		goto out;
+	}
+
+	udc = ep->udc;
+	/* Attempt to halt IN ep will fail if any transfer requests
+	 * are still queue */
+	if (value && ep_is_in(ep) && !list_empty(&ep->queue)) {
+		status = -EAGAIN;
+		goto out;
+	}
+
+	status = 0;
+	spin_lock_irqsave(&ep->udc->lock, flags);
+	qe_eptx_stall_change(ep, value);
+	qe_eprx_stall_change(ep, value);
+	spin_unlock_irqrestore(&ep->udc->lock, flags);
+
+	if (ep->epnum == 0) {
+		udc->ep0_state = WAIT_FOR_SETUP;
+		udc->ep0_dir = 0;
+	}
+
+	/* set data toggle to DATA0 on clear halt */
+	if (value == 0)
+		ep->data01 = 0;
+out:
+	dev_vdbg(udc->dev, "%s %s halt stat %d\n", ep->ep.name,
+			value ?  "set" : "clear", status);
+
+	return status;
+}
+
+static struct usb_ep_ops qe_ep_ops = {
+	.enable = qe_ep_enable,
+	.disable = qe_ep_disable,
+
+	.alloc_request = qe_alloc_request,
+	.free_request = qe_free_request,
+
+	.queue = qe_ep_queue,
+	.dequeue = qe_ep_dequeue,
+
+	.set_halt = qe_ep_set_halt,
+};
+
+/*------------------------------------------------------------------------
+	Gadget Driver Layer Operations
+ ------------------------------------------------------------------------*/
+
+/* Get the current frame number */
+static int qe_get_frame(struct usb_gadget *gadget)
+{
+	u16 tmp;
+
+	tmp = in_be16(&udc_controller->usb_param->frame_n);
+	if (tmp & 0x8000)
+		tmp = tmp & 0x07ff;
+	else
+		tmp = -EINVAL;
+
+	return (int)tmp;
+}
+
+/* Tries to wake up the host connected to this gadget
+ *
+ * Return : 0-success
+ * Negative-this feature not enabled by host or not supported by device hw
+ */
+static int qe_wakeup(struct usb_gadget *gadget)
+{
+	return -ENOTSUPP;
+}
+
+/* Notify controller that VBUS is powered, Called by whatever
+   detects VBUS sessions */
+static int qe_vbus_session(struct usb_gadget *gadget, int is_active)
+{
+	return -ENOTSUPP;
+}
+
+/* constrain controller's VBUS power usage
+ * This call is used by gadget drivers during SET_CONFIGURATION calls,
+ * reporting how much power the device may consume.  For example, this
+ * could affect how quickly batteries are recharged.
+ *
+ * Returns zero on success, else negative errno.
+ */
+static int qe_vbus_draw(struct usb_gadget *gadget, unsigned mA)
+{
+	return -ENOTSUPP;
+}
+
+/* Change Data+ pullup status
+ * this func is used by usb_gadget_connect/disconnect
+ */
+static int qe_pullup(struct usb_gadget *gadget, int is_on)
+{
+	return -ENOTSUPP;
+}
+
+/* defined in usb_gadget.h */
+static struct usb_gadget_ops qe_gadget_ops = {
+	.get_frame = qe_get_frame,
+	.wakeup = qe_wakeup,
+/*	.set_selfpowered = qe_set_selfpowered,*/ /* always selfpowered */
+	.vbus_session = qe_vbus_session,
+	.vbus_draw = qe_vbus_draw,
+	.pullup = qe_pullup,
+};
+
+/*-------------------------------------------------------------------------
+	USB ep0 Setup process in BUS Enumeration
+ -------------------------------------------------------------------------*/
+static int udc_reset_ep_queue(struct qe_udc *udc, u8 pipe)
+{
+	struct qe_ep *ep = &udc->eps[pipe];
+
+	nuke(ep, -ECONNRESET);
+	ep->tx_req = NULL;
+	return 0;
+}
+
+static int reset_queues(struct qe_udc *udc)
+{
+	u8 pipe;
+
+	for (pipe = 0; pipe < USB_MAX_ENDPOINTS; pipe++)
+		udc_reset_ep_queue(udc, pipe);
+
+	/* report disconnect; the driver is already quiesced */
+	spin_unlock(&udc->lock);
+	udc->driver->disconnect(&udc->gadget);
+	spin_lock(&udc->lock);
+
+	return 0;
+}
+
+static void ch9setaddress(struct qe_udc *udc, u16 value, u16 index,
+			u16 length)
+{
+	/* Save the new address to device struct */
+	udc->device_address = (u8) value;
+	/* Update usb state */
+	udc->usb_state = USB_STATE_ADDRESS;
+
+	/* Status phase , send a ZLP */
+	if (ep0_prime_status(udc, USB_DIR_IN))
+		qe_ep0_stall(udc);
+}
+
+static void ownercomplete(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_req *req = container_of(_req, struct qe_req, req);
+
+	req->req.buf = NULL;
+	kfree(req);
+}
+
+static void ch9getstatus(struct qe_udc *udc, u8 request_type, u16 value,
+			u16 index, u16 length)
+{
+	u16 usb_status = 0;
+	struct qe_req *req;
+	struct qe_ep *ep;
+	int status = 0;
+
+	ep = &udc->eps[0];
+	if ((request_type & USB_RECIP_MASK) == USB_RECIP_DEVICE) {
+		/* Get device status */
+		usb_status = 1 << USB_DEVICE_SELF_POWERED;
+	} else if ((request_type & USB_RECIP_MASK) == USB_RECIP_INTERFACE) {
+		/* Get interface status */
+		/* We don't have interface information in udc driver */
+		usb_status = 0;
+	} else if ((request_type & USB_RECIP_MASK) == USB_RECIP_ENDPOINT) {
+		/* Get endpoint status */
+		int pipe = index & USB_ENDPOINT_NUMBER_MASK;
+		struct qe_ep *target_ep = &udc->eps[pipe];
+		u16 usep;
+
+		/* stall if endpoint doesn't exist */
+		if (!target_ep->desc)
+			goto stall;
+
+		usep = in_be16(&udc->usb_regs->usb_usep[pipe]);
+		if (index & USB_DIR_IN) {
+			if (target_ep->dir != USB_DIR_IN)
+				goto stall;
+			if ((usep & USB_THS_MASK) == USB_THS_STALL)
+				usb_status = 1 << USB_ENDPOINT_HALT;
+		} else {
+			if (target_ep->dir != USB_DIR_OUT)
+				goto stall;
+			if ((usep & USB_RHS_MASK) == USB_RHS_STALL)
+				usb_status = 1 << USB_ENDPOINT_HALT;
+		}
+	}
+
+	req = container_of(qe_alloc_request(&ep->ep, GFP_KERNEL),
+					struct qe_req, req);
+	req->req.length = 2;
+	req->req.buf = udc->statusbuf;
+	*(u16 *)req->req.buf = cpu_to_le16(usb_status);
+	req->req.status = -EINPROGRESS;
+	req->req.actual = 0;
+	req->req.complete = ownercomplete;
+
+	udc->ep0_dir = USB_DIR_IN;
+
+	/* data phase */
+	status = qe_ep_queue(&ep->ep, &req->req, GFP_ATOMIC);
+
+	if (status == 0)
+		return;
+stall:
+	dev_err(udc->dev, "Can't respond to getstatus request \n");
+	qe_ep0_stall(udc);
+}
+
+/* only handle the setup request, suppose the device in normal status */
+static void setup_received_handle(struct qe_udc *udc,
+				struct usb_ctrlrequest *setup)
+{
+	/* Fix Endian (udc->local_setup_buff is cpu Endian now)*/
+	u16 wValue = le16_to_cpu(setup->wValue);
+	u16 wIndex = le16_to_cpu(setup->wIndex);
+	u16 wLength = le16_to_cpu(setup->wLength);
+
+	/* clear the previous request in the ep0 */
+	udc_reset_ep_queue(udc, 0);
+
+	if (setup->bRequestType & USB_DIR_IN)
+		udc->ep0_dir = USB_DIR_IN;
+	else
+		udc->ep0_dir = USB_DIR_OUT;
+
+	switch (setup->bRequest) {
+	case USB_REQ_GET_STATUS:
+		/* Data+Status phase form udc */
+		if ((setup->bRequestType & (USB_DIR_IN | USB_TYPE_MASK))
+					!= (USB_DIR_IN | USB_TYPE_STANDARD))
+			break;
+		ch9getstatus(udc, setup->bRequestType, wValue, wIndex,
+					wLength);
+		return;
+
+	case USB_REQ_SET_ADDRESS:
+		/* Status phase from udc */
+		if (setup->bRequestType != (USB_DIR_OUT | USB_TYPE_STANDARD |
+						USB_RECIP_DEVICE))
+			break;
+		ch9setaddress(udc, wValue, wIndex, wLength);
+		return;
+
+	case USB_REQ_CLEAR_FEATURE:
+	case USB_REQ_SET_FEATURE:
+		/* Requests with no data phase, status phase from udc */
+		if ((setup->bRequestType & USB_TYPE_MASK)
+					!= USB_TYPE_STANDARD)
+			break;
+
+		if ((setup->bRequestType & USB_RECIP_MASK)
+				== USB_RECIP_ENDPOINT) {
+			int pipe = wIndex & USB_ENDPOINT_NUMBER_MASK;
+			struct qe_ep *ep;
+
+			if (wValue != 0 || wLength != 0
+				|| pipe > USB_MAX_ENDPOINTS)
+				break;
+			ep = &udc->eps[pipe];
+
+			spin_unlock(&udc->lock);
+			qe_ep_set_halt(&ep->ep,
+					(setup->bRequest == USB_REQ_SET_FEATURE)
+						? 1 : 0);
+			spin_lock(&udc->lock);
+		}
+
+		ep0_prime_status(udc, USB_DIR_IN);
+
+		return;
+
+	default:
+		break;
+	}
+
+	if (wLength) {
+		/* Data phase from gadget, status phase from udc */
+		if (setup->bRequestType & USB_DIR_IN) {
+			udc->ep0_state = DATA_STATE_XMIT;
+			udc->ep0_dir = USB_DIR_IN;
+		} else {
+			udc->ep0_state = DATA_STATE_RECV;
+			udc->ep0_dir = USB_DIR_OUT;
+		}
+		spin_unlock(&udc->lock);
+		if (udc->driver->setup(&udc->gadget,
+					&udc->local_setup_buff) < 0)
+			qe_ep0_stall(udc);
+		spin_lock(&udc->lock);
+	} else {
+		/* No data phase, IN status from gadget */
+		udc->ep0_dir = USB_DIR_IN;
+		spin_unlock(&udc->lock);
+		if (udc->driver->setup(&udc->gadget,
+					&udc->local_setup_buff) < 0)
+			qe_ep0_stall(udc);
+		spin_lock(&udc->lock);
+		udc->ep0_state = DATA_STATE_NEED_ZLP;
+	}
+}
+
+/*-------------------------------------------------------------------------
+	USB Interrupt handlers
+ -------------------------------------------------------------------------*/
+static void suspend_irq(struct qe_udc *udc)
+{
+	udc->resume_state = udc->usb_state;
+	udc->usb_state = USB_STATE_SUSPENDED;
+
+	/* report suspend to the driver ,serial.c not support this*/
+	if (udc->driver->suspend)
+		udc->driver->suspend(&udc->gadget);
+}
+
+static void resume_irq(struct qe_udc *udc)
+{
+	udc->usb_state = udc->resume_state;
+	udc->resume_state = 0;
+
+	/* report resume to the driver , serial.c not support this*/
+	if (udc->driver->resume)
+		udc->driver->resume(&udc->gadget);
+}
+
+static void idle_irq(struct qe_udc *udc)
+{
+	u8 usbs;
+
+	usbs = in_8(&udc->usb_regs->usb_usbs);
+	if (usbs & USB_IDLE_STATUS_MASK) {
+		if ((udc->usb_state) != USB_STATE_SUSPENDED)
+			suspend_irq(udc);
+	} else {
+		if (udc->usb_state == USB_STATE_SUSPENDED)
+			resume_irq(udc);
+	}
+}
+
+static int reset_irq(struct qe_udc *udc)
+{
+	unsigned char i;
+
+	qe_usb_disable();
+	out_8(&udc->usb_regs->usb_usadr, 0);
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		if (udc->eps[i].init)
+			qe_ep_reset(udc, i);
+	}
+
+	reset_queues(udc);
+	udc->usb_state = USB_STATE_DEFAULT;
+	udc->ep0_state = WAIT_FOR_SETUP;
+	udc->ep0_dir = USB_DIR_OUT;
+	qe_usb_enable();
+	return 0;
+}
+
+static int bsy_irq(struct qe_udc *udc)
+{
+	return 0;
+}
+
+static int txe_irq(struct qe_udc *udc)
+{
+	return 0;
+}
+
+/* ep0 tx interrupt also in here */
+static int tx_irq(struct qe_udc *udc)
+{
+	struct qe_ep *ep;
+	struct qe_bd __iomem *bd;
+	int i, res = 0;
+
+	if ((udc->usb_state == USB_STATE_ADDRESS)
+		&& (in_8(&udc->usb_regs->usb_usadr) == 0))
+		out_8(&udc->usb_regs->usb_usadr, udc->device_address);
+
+	for (i = (USB_MAX_ENDPOINTS-1); ((i >= 0) && (res == 0)); i--) {
+		ep = &udc->eps[i];
+		if (ep && ep->init && (ep->dir != USB_DIR_OUT)) {
+			bd = ep->c_txbd;
+			if (!(in_be32((u32 __iomem *)bd) & T_R)
+						&& (in_be32(&bd->buf))) {
+				/* confirm the transmitted bd */
+				if (ep->epnum == 0)
+					res = qe_ep0_txconf(ep);
+				else
+					res = qe_ep_txconf(ep);
+			}
+		}
+	}
+	return res;
+}
+
+
+/* setup packect's rx is handle in the function too */
+static void rx_irq(struct qe_udc *udc)
+{
+	struct qe_ep *ep;
+	struct qe_bd __iomem *bd;
+	int i;
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		ep = &udc->eps[i];
+		if (ep && ep->init && (ep->dir != USB_DIR_IN)) {
+			bd = ep->n_rxbd;
+			if (!(in_be32((u32 __iomem *)bd) & R_E)
+						&& (in_be32(&bd->buf))) {
+				if (ep->epnum == 0) {
+					qe_ep0_rx(udc);
+				} else {
+					/*non-setup package receive*/
+					qe_ep_rx(ep);
+				}
+			}
+		}
+	}
+}
+
+static irqreturn_t qe_udc_irq(int irq, void *_udc)
+{
+	struct qe_udc *udc = (struct qe_udc *)_udc;
+	u16 irq_src;
+	irqreturn_t status = IRQ_NONE;
+	unsigned long flags;
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	irq_src = in_be16(&udc->usb_regs->usb_usber) &
+		in_be16(&udc->usb_regs->usb_usbmr);
+	/* Clear notification bits */
+	out_be16(&udc->usb_regs->usb_usber, irq_src);
+	/* USB Interrupt */
+	if (irq_src & USB_E_IDLE_MASK) {
+		idle_irq(udc);
+		irq_src &= ~USB_E_IDLE_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_TXB_MASK) {
+		tx_irq(udc);
+		irq_src &= ~USB_E_TXB_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_RXB_MASK) {
+		rx_irq(udc);
+		irq_src &= ~USB_E_RXB_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_RESET_MASK) {
+		reset_irq(udc);
+		irq_src &= ~USB_E_RESET_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_BSY_MASK) {
+		bsy_irq(udc);
+		irq_src &= ~USB_E_BSY_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_TXE_MASK) {
+		txe_irq(udc);
+		irq_src &= ~USB_E_TXE_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return status;
+}
+
+/*-------------------------------------------------------------------------
+	Gadget driver register and unregister.
+ --------------------------------------------------------------------------*/
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
+	int retval;
+	unsigned long flags = 0;
+
+	/* standard operations */
+	if (!udc_controller)
+		return -ENODEV;
+
+	if (!driver || (driver->speed != USB_SPEED_FULL
+			&& driver->speed != USB_SPEED_HIGH)
+			|| !driver->bind || !driver->disconnect
+			|| !driver->setup)
+		return -EINVAL;
+
+	if (udc_controller->driver)
+		return -EBUSY;
+
+	/* lock is needed but whether should use this lock or another */
+	spin_lock_irqsave(&udc_controller->lock, flags);
+
+	driver->driver.bus = NULL;
+	/* hook up the driver */
+	udc_controller->driver = driver;
+	udc_controller->gadget.dev.driver = &driver->driver;
+	udc_controller->gadget.speed = (enum usb_device_speed)(driver->speed);
+	spin_unlock_irqrestore(&udc_controller->lock, flags);
+
+	retval = driver->bind(&udc_controller->gadget);
+	if (retval) {
+		dev_err(udc_controller->dev, "bind to %s --> %d",
+				driver->driver.name, retval);
+		udc_controller->gadget.dev.driver = NULL;
+		udc_controller->driver = NULL;
+		return retval;
+	}
+
+	/* Enable IRQ reg and Set usbcmd reg EN bit */
+	qe_usb_enable();
+
+	out_be16(&udc_controller->usb_regs->usb_usber, 0xffff);
+	out_be16(&udc_controller->usb_regs->usb_usbmr, USB_E_DEFAULT_DEVICE);
+	udc_controller->usb_state = USB_STATE_ATTACHED;
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = USB_DIR_OUT;
+	dev_info(udc_controller->dev, "%s bind to driver %s \n",
+		udc_controller->gadget.name, driver->driver.name);
+	return 0;
+}
+EXPORT_SYMBOL(usb_gadget_register_driver);
+
+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
+	struct qe_ep *loop_ep;
+	unsigned long flags;
+
+	if (!udc_controller)
+		return -ENODEV;
+
+	if (!driver || driver != udc_controller->driver)
+		return -EINVAL;
+
+	/* stop usb controller, disable intr */
+	qe_usb_disable();
+
+	/* in fact, no needed */
+	udc_controller->usb_state = USB_STATE_ATTACHED;
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = 0;
+
+	/* stand operation */
+	spin_lock_irqsave(&udc_controller->lock, flags);
+	udc_controller->gadget.speed = USB_SPEED_UNKNOWN;
+	nuke(&udc_controller->eps[0], -ESHUTDOWN);
+	list_for_each_entry(loop_ep, &udc_controller->gadget.ep_list,
+				ep.ep_list)
+		nuke(loop_ep, -ESHUTDOWN);
+	spin_unlock_irqrestore(&udc_controller->lock, flags);
+
+	/* unbind gadget and unhook driver. */
+	driver->unbind(&udc_controller->gadget);
+	udc_controller->gadget.dev.driver = NULL;
+	udc_controller->driver = NULL;
+
+	dev_info(udc_controller->dev, "unregistered gadget driver '%s'\r\n",
+			driver->driver.name);
+	return 0;
+}
+EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
+/* udc structure's alloc and setup, include ep-param alloc */
+static struct qe_udc __devinit *qe_udc_config(struct of_device *ofdev)
+{
+	struct qe_udc *udc;
+	struct device_node *np = ofdev->node;
+	unsigned int tmp_addr = 0;
+	struct usb_device_para __iomem *usbpram;
+	unsigned int i;
+	u64 size;
+	u32 offset;
+
+	udc = kzalloc(sizeof(*udc), GFP_KERNEL);
+	if (udc == NULL) {
+		dev_err(&ofdev->dev, "malloc udc failed\n");
+		goto cleanup;
+	}
+
+	udc->dev = &ofdev->dev;
+
+	/* get default address of usb parameter in MURAM from device tree */
+	offset = *of_get_address(np, 1, &size, NULL);
+	udc->usb_param = cpm_muram_addr(offset);
+	memset_io(udc->usb_param, 0, size);
+
+	usbpram = udc->usb_param;
+	out_be16(&usbpram->frame_n, 0);
+	out_be32(&usbpram->rstate, 0);
+
+	tmp_addr = cpm_muram_alloc((USB_MAX_ENDPOINTS *
+					sizeof(struct usb_ep_para)),
+					   USB_EP_PARA_ALIGNMENT);
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		out_be16(&usbpram->epptr[i], (u16)tmp_addr);
+		udc->ep_param[i] = cpm_muram_addr(tmp_addr);
+		tmp_addr += 32;
+	}
+
+	memset_io(udc->ep_param[0], 0,
+			USB_MAX_ENDPOINTS * sizeof(struct usb_ep_para));
+
+	udc->resume_state = USB_STATE_NOTATTACHED;
+	udc->usb_state = USB_STATE_POWERED;
+	udc->ep0_dir = 0;
+
+	spin_lock_init(&udc->lock);
+	return udc;
+
+cleanup:
+	kfree(udc);
+	return NULL;
+}
+
+/* USB Controller register init */
+static int __devinit qe_udc_reg_init(struct qe_udc *udc)
+{
+	struct usb_ctlr __iomem *qe_usbregs;
+	qe_usbregs = udc->usb_regs;
+
+	/* Init the usb register */
+	out_8(&qe_usbregs->usb_usmod, 0x01);
+	out_be16(&qe_usbregs->usb_usbmr, 0);
+	out_8(&qe_usbregs->usb_uscom, 0);
+	out_be16(&qe_usbregs->usb_usber, USBER_ALL_CLEAR);
+
+	return 0;
+}
+
+static int __devinit qe_ep_config(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+
+	ep->udc = udc;
+	strcpy(ep->name, ep_name[pipe_num]);
+	ep->ep.name = ep_name[pipe_num];
+
+	ep->ep.ops = &qe_ep_ops;
+	ep->stopped = 1;
+	ep->ep.maxpacket = (unsigned short) ~0;
+	ep->desc = NULL;
+	ep->dir = 0xff;
+	ep->epnum = (u8)pipe_num;
+	ep->sent = 0;
+	ep->last = 0;
+	ep->init = 0;
+	ep->rxframe = NULL;
+	ep->txframe = NULL;
+	ep->tx_req = NULL;
+	ep->state = EP_STATE_IDLE;
+	ep->has_data = 0;
+
+	/* the queue lists any req for this ep */
+	INIT_LIST_HEAD(&ep->queue);
+
+	/* gagdet.ep_list used for ep_autoconfig so no ep0*/
+	if (pipe_num != 0)
+		list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
+
+	ep->gadget = &udc->gadget;
+
+	return 0;
+}
+
+/*-----------------------------------------------------------------------
+ *	UDC device Driver operation functions				*
+ *----------------------------------------------------------------------*/
+static void qe_udc_release(struct device *dev)
+{
+	int i = 0;
+
+	complete(udc_controller->done);
+	cpm_muram_free(cpm_muram_offset(udc_controller->ep_param[0]));
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
+		udc_controller->ep_param[i] = NULL;
+
+	kfree(udc_controller);
+	udc_controller = NULL;
+}
+
+/* Driver probe functions */
+static int __devinit qe_udc_probe(struct of_device *ofdev,
+			const struct of_device_id *match)
+{
+	struct device_node *np = ofdev->node;
+	struct qe_ep *ep;
+	unsigned int ret = 0;
+	unsigned int i;
+	const void *prop;
+
+	prop = of_get_property(np, "mode", NULL);
+	if (!prop || strcmp(prop, "peripheral"))
+		return -ENODEV;
+
+	/* Initialize the udc structure including QH member and other member */
+	udc_controller = qe_udc_config(ofdev);
+	if (!udc_controller) {
+		dev_dbg(&ofdev->dev, "udc_controll is NULL\n");
+		return -ENOMEM;
+	}
+
+	udc_controller->soc_type = (unsigned long)match->data;
+	udc_controller->usb_regs = of_iomap(np, 0);
+	if (!udc_controller->usb_regs) {
+		ret = -ENOMEM;
+		goto err1;
+	}
+
+	/* initialize usb hw reg except for regs for EP,
+	 * leave usbintr reg untouched*/
+	qe_udc_reg_init(udc_controller);
+
+	/* here comes the stand operations for probe
+	 * set the qe_udc->gadget.xxx */
+	udc_controller->gadget.ops = &qe_gadget_ops;
+
+	/* gadget.ep0 is a pointer */
+	udc_controller->gadget.ep0 = &udc_controller->eps[0].ep;
+
+	INIT_LIST_HEAD(&udc_controller->gadget.ep_list);
+
+	/* modify in register gadget process */
+	udc_controller->gadget.speed = USB_SPEED_UNKNOWN;
+
+	/* name: Identifies the controller hardware type. */
+	udc_controller->gadget.name = driver_name;
+
+	device_initialize(&udc_controller->gadget.dev);
+
+	strcpy(udc_controller->gadget.dev.bus_id, "gadget");
+
+	udc_controller->gadget.dev.release = qe_udc_release;
+	udc_controller->gadget.dev.parent = &ofdev->dev;
+
+	/* initialize qe_ep struct */
+	for (i = 0; i < USB_MAX_ENDPOINTS ; i++) {
+		/* because the ep type isn't decide here so
+		 * qe_ep_init() should be called in ep_enable() */
+
+		/* setup the qe_ep struct and link ep.ep.list
+		 * into gadget.ep_list */
+		qe_ep_config(udc_controller, (unsigned char)i);
+	}
+
+	/* ep0 initialization in here */
+	ret = qe_ep_init(udc_controller, 0, &qe_ep0_desc);
+	if (ret)
+		goto err2;
+
+	/* create a buf for ZLP send, need to remain zeroed */
+	udc_controller->nullbuf = kzalloc(256, GFP_KERNEL);
+	if (udc_controller->nullbuf == NULL) {
+		dev_dbg(udc_controller->dev, "cannot alloc nullbuf\n");
+		ret = -ENOMEM;
+		goto err3;
+	}
+
+	/* buffer for data of get_status request */
+	udc_controller->statusbuf = kzalloc(2, GFP_KERNEL);
+	if (udc_controller->statusbuf == NULL) {
+		ret = -ENOMEM;
+		goto err4;
+	}
+
+	udc_controller->nullp = virt_to_phys((void *)udc_controller->nullbuf);
+	if (udc_controller->nullp == DMA_ADDR_INVALID) {
+		udc_controller->nullp = dma_map_single(
+					udc_controller->gadget.dev.parent,
+					udc_controller->nullbuf,
+					256,
+					DMA_TO_DEVICE);
+		udc_controller->nullmap = 1;
+	} else {
+		dma_sync_single_for_device(udc_controller->gadget.dev.parent,
+					udc_controller->nullp, 256,
+					DMA_TO_DEVICE);
+	}
+
+	tasklet_init(&udc_controller->rx_tasklet, ep_rx_tasklet,
+			(unsigned long)udc_controller);
+	/* request irq and disable DR  */
+	udc_controller->usb_irq = irq_of_parse_and_map(np, 0);
+
+	ret = request_irq(udc_controller->usb_irq, qe_udc_irq, 0,
+				driver_name, udc_controller);
+	if (ret) {
+		dev_err(udc_controller->dev, "cannot request irq %d err %d \n",
+			udc_controller->usb_irq, ret);
+		goto err5;
+	}
+
+	ret = device_add(&udc_controller->gadget.dev);
+	if (ret)
+		goto err6;
+
+	dev_info(udc_controller->dev,
+			"%s USB controller initialized as device\n",
+			(udc_controller->soc_type == PORT_QE) ? "QE" : "CPM");
+	return 0;
+
+err6:
+	free_irq(udc_controller->usb_irq, udc_controller);
+err5:
+	if (udc_controller->nullmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+			udc_controller->nullp = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+	}
+	kfree(udc_controller->statusbuf);
+err4:
+	kfree(udc_controller->nullbuf);
+err3:
+	ep = &udc_controller->eps[0];
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+	kfree(ep->rxframe);
+	kfree(ep->rxbuffer);
+	kfree(ep->txframe);
+err2:
+	iounmap(udc_controller->usb_regs);
+err1:
+	kfree(udc_controller);
+
+	return ret;
+}
+
+#ifdef CONFIG_PM
+static int qe_udc_suspend(struct of_device *dev, pm_message_t state)
+{
+	return -ENOTSUPP;
+}
+
+static int qe_udc_resume(struct of_device *dev)
+{
+	return -ENOTSUPP;
+}
+#endif
+
+static int __devexit qe_udc_remove(struct of_device *ofdev)
+{
+	struct qe_ep *ep;
+	unsigned int size;
+
+	DECLARE_COMPLETION(done);
+
+	if (!udc_controller)
+		return -ENODEV;
+
+	udc_controller->done = &done;
+	tasklet_disable(&udc_controller->rx_tasklet);
+
+	if (udc_controller->nullmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+			udc_controller->nullp = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+	}
+	kfree(udc_controller->statusbuf);
+	kfree(udc_controller->nullbuf);
+
+	ep = &udc_controller->eps[0];
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+	size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) * (USB_BDRING_LEN + 1);
+
+	kfree(ep->rxframe);
+	if (ep->rxbufmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+				ep->rxbuf_d, size,
+				DMA_FROM_DEVICE);
+		ep->rxbuf_d = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+				ep->rxbuf_d, size,
+				DMA_FROM_DEVICE);
+	}
+
+	kfree(ep->rxbuffer);
+	kfree(ep->txframe);
+
+	free_irq(udc_controller->usb_irq, udc_controller);
+
+	tasklet_kill(&udc_controller->rx_tasklet);
+
+	iounmap(udc_controller->usb_regs);
+
+	device_unregister(&udc_controller->gadget.dev);
+	/* wait for release() of gadget.dev to free udc */
+	wait_for_completion(&done);
+
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+static struct of_device_id __devinitdata qe_udc_match[] = {
+	{
+		.compatible = "fsl,mpc8360-qe-usb",
+		.data = (void *)PORT_QE,
+	},
+	{
+		.compatible = "fsl,mpc8272-cpm-usb",
+		.data = (void *)PORT_CPM,
+	},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, qe_udc_match);
+
+static struct of_platform_driver udc_driver = {
+	.name           = (char *)driver_name,
+	.match_table    = qe_udc_match,
+	.probe          = qe_udc_probe,
+	.remove         = __devexit_p(qe_udc_remove),
+#ifdef CONFIG_PM
+	.suspend        = qe_udc_suspend,
+	.resume         = qe_udc_resume,
+#endif
+};
+
+static int __init qe_udc_init(void)
+{
+	printk(KERN_INFO "%s: %s, %s\n", driver_name, driver_desc,
+			DRIVER_VERSION);
+	return of_register_platform_driver(&udc_driver);
+}
+
+static void __exit qe_udc_exit(void)
+{
+	of_unregister_platform_driver(&udc_driver);
+}
+
+module_init(qe_udc_init);
+module_exit(qe_udc_exit);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/usb/gadget/fsl_qe_udc.h b/drivers/usb/gadget/fsl_qe_udc.h
new file mode 100644
index 00000000000..31b2710882e
--- /dev/null
+++ b/drivers/usb/gadget/fsl_qe_udc.h
@@ -0,0 +1,437 @@
+/*
+ * drivers/usb/gadget/qe_udc.h
+ *
+ * Copyright (C) 2006-2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 	Xiaobo Xie <X.Xie@freescale.com>
+ * 	Li Yang <leoli@freescale.com>
+ *
+ * Description:
+ * Freescale USB device/endpoint management registers
+ *
+ * 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.
+ */
+
+#ifndef __FSL_QE_UDC_H
+#define __FSL_QE_UDC_H
+
+/* SoC type */
+#define PORT_CPM	0
+#define PORT_QE		1
+
+#define USB_MAX_ENDPOINTS               4
+#define USB_MAX_PIPES                   USB_MAX_ENDPOINTS
+#define USB_EP0_MAX_SIZE		64
+#define USB_MAX_CTRL_PAYLOAD            0x4000
+#define USB_BDRING_LEN			16
+#define USB_BDRING_LEN_RX		256
+#define USB_BDRING_LEN_TX		16
+#define MIN_EMPTY_BDS			128
+#define MAX_DATA_BDS			8
+#define USB_CRC_SIZE			2
+#define USB_DIR_BOTH			0x88
+#define R_BUF_MAXSIZE			0x800
+#define USB_EP_PARA_ALIGNMENT		32
+
+/* USB Mode Register bit define */
+#define USB_MODE_EN		0x01
+#define USB_MODE_HOST		0x02
+#define USB_MODE_TEST		0x04
+#define USB_MODE_SFTE		0x08
+#define USB_MODE_RESUME		0x40
+#define USB_MODE_LSS		0x80
+
+/* USB Slave Address Register Mask */
+#define USB_SLVADDR_MASK	0x7F
+
+/* USB Endpoint register define */
+#define USB_EPNUM_MASK		0xF000
+#define USB_EPNUM_SHIFT		12
+
+#define USB_TRANS_MODE_SHIFT	8
+#define USB_TRANS_CTR		0x0000
+#define USB_TRANS_INT		0x0100
+#define USB_TRANS_BULK		0x0200
+#define USB_TRANS_ISO		0x0300
+
+#define USB_EP_MF		0x0020
+#define USB_EP_RTE		0x0010
+
+#define USB_THS_SHIFT		2
+#define USB_THS_MASK		0x000c
+#define USB_THS_NORMAL		0x0
+#define USB_THS_IGNORE_IN	0x0004
+#define USB_THS_NACK		0x0008
+#define USB_THS_STALL		0x000c
+
+#define USB_RHS_SHIFT   	0
+#define USB_RHS_MASK		0x0003
+#define USB_RHS_NORMAL  	0x0
+#define USB_RHS_IGNORE_OUT	0x0001
+#define USB_RHS_NACK		0x0002
+#define USB_RHS_STALL		0x0003
+
+#define USB_RTHS_MASK		0x000f
+
+/* USB Command Register define */
+#define USB_CMD_STR_FIFO	0x80
+#define USB_CMD_FLUSH_FIFO	0x40
+#define USB_CMD_ISFT		0x20
+#define USB_CMD_DSFT		0x10
+#define USB_CMD_EP_MASK		0x03
+
+/* USB Event and Mask Register define */
+#define USB_E_MSF_MASK		0x0800
+#define USB_E_SFT_MASK		0x0400
+#define USB_E_RESET_MASK	0x0200
+#define USB_E_IDLE_MASK		0x0100
+#define USB_E_TXE4_MASK		0x0080
+#define USB_E_TXE3_MASK		0x0040
+#define USB_E_TXE2_MASK		0x0020
+#define USB_E_TXE1_MASK		0x0010
+#define USB_E_SOF_MASK		0x0008
+#define USB_E_BSY_MASK		0x0004
+#define USB_E_TXB_MASK		0x0002
+#define USB_E_RXB_MASK		0x0001
+#define USBER_ALL_CLEAR 	0x0fff
+
+#define USB_E_DEFAULT_DEVICE   (USB_E_RESET_MASK | USB_E_TXE4_MASK | \
+				USB_E_TXE3_MASK | USB_E_TXE2_MASK | \
+				USB_E_TXE1_MASK | USB_E_BSY_MASK | \
+				USB_E_TXB_MASK | USB_E_RXB_MASK)
+
+#define USB_E_TXE_MASK         (USB_E_TXE4_MASK | USB_E_TXE3_MASK|\
+				 USB_E_TXE2_MASK | USB_E_TXE1_MASK)
+/* USB Status Register define */
+#define USB_IDLE_STATUS_MASK	0x01
+
+/* USB Start of Frame Timer */
+#define USB_USSFT_MASK		0x3FFF
+
+/* USB Frame Number Register */
+#define USB_USFRN_MASK		0xFFFF
+
+struct usb_device_para{
+	u16	epptr[4];
+	u32	rstate;
+	u32	rptr;
+	u16	frame_n;
+	u16	rbcnt;
+	u32	rtemp;
+	u32	rxusb_data;
+	u16	rxuptr;
+	u8	reso[2];
+	u32	softbl;
+	u8	sofucrctemp;
+};
+
+struct usb_ep_para{
+	u16	rbase;
+	u16	tbase;
+	u8	rbmr;
+	u8	tbmr;
+	u16	mrblr;
+	u16	rbptr;
+	u16	tbptr;
+	u32	tstate;
+	u32	tptr;
+	u16	tcrc;
+	u16	tbcnt;
+	u32	ttemp;
+	u16	txusbu_ptr;
+	u8	reserve[2];
+};
+
+#define USB_BUSMODE_GBL		0x20
+#define USB_BUSMODE_BO_MASK	0x18
+#define USB_BUSMODE_BO_SHIFT	0x3
+#define USB_BUSMODE_BE		0x2
+#define USB_BUSMODE_CETM	0x04
+#define USB_BUSMODE_DTB		0x02
+
+/* Endpoint basic handle */
+#define ep_index(EP)		((EP)->desc->bEndpointAddress & 0xF)
+#define ep_maxpacket(EP)	((EP)->ep.maxpacket)
+#define ep_is_in(EP)	((ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
+			USB_DIR_IN) : ((EP)->desc->bEndpointAddress \
+			& USB_DIR_IN) == USB_DIR_IN)
+
+/* ep0 transfer state */
+#define WAIT_FOR_SETUP          0
+#define DATA_STATE_XMIT         1
+#define DATA_STATE_NEED_ZLP     2
+#define WAIT_FOR_OUT_STATUS     3
+#define DATA_STATE_RECV         4
+
+/* ep tramsfer mode */
+#define USBP_TM_CTL	0
+#define USBP_TM_ISO	1
+#define USBP_TM_BULK	2
+#define USBP_TM_INT	3
+
+/*-----------------------------------------------------------------------------
+	USB RX And TX DATA Frame
+ -----------------------------------------------------------------------------*/
+struct qe_frame{
+	u8 *data;
+	u32 len;
+	u32 status;
+	u32 info;
+
+	void *privdata;
+	struct list_head node;
+};
+
+/* Frame structure, info field. */
+#define PID_DATA0              0x80000000 /* Data toggle zero */
+#define PID_DATA1              0x40000000 /* Data toggle one  */
+#define PID_SETUP              0x20000000 /* setup bit */
+#define SETUP_STATUS           0x10000000 /* setup status bit */
+#define SETADDR_STATUS         0x08000000 /* setupup address status bit */
+#define NO_REQ                 0x04000000 /* Frame without request */
+#define HOST_DATA              0x02000000 /* Host data frame */
+#define FIRST_PACKET_IN_FRAME  0x01000000 /* first packet in the frame */
+#define TOKEN_FRAME            0x00800000 /* Host token frame */
+#define ZLP                    0x00400000 /* Zero length packet */
+#define IN_TOKEN_FRAME         0x00200000 /* In token package */
+#define OUT_TOKEN_FRAME        0x00100000 /* Out token package */
+#define SETUP_TOKEN_FRAME      0x00080000 /* Setup token package */
+#define STALL_FRAME            0x00040000 /* Stall handshake */
+#define NACK_FRAME             0x00020000 /* Nack handshake */
+#define NO_PID                 0x00010000 /* No send PID */
+#define NO_CRC                 0x00008000 /* No send CRC */
+#define HOST_COMMAND           0x00004000 /* Host command frame   */
+
+/* Frame status field */
+/* Receive side */
+#define FRAME_OK               0x00000000 /* Frame tranmitted or received OK */
+#define FRAME_ERROR            0x80000000 /* Error occured on frame */
+#define START_FRAME_LOST       0x40000000 /* START_FRAME_LOST */
+#define END_FRAME_LOST         0x20000000 /* END_FRAME_LOST */
+#define RX_ER_NONOCT           0x10000000 /* Rx Non Octet Aligned Packet */
+#define RX_ER_BITSTUFF         0x08000000 /* Frame Aborted --Received packet
+					     with bit stuff error */
+#define RX_ER_CRC              0x04000000 /* Received packet with CRC error */
+#define RX_ER_OVERUN           0x02000000 /* Over-run occured on reception */
+#define RX_ER_PID              0x01000000 /* Wrong PID received */
+/* Tranmit side */
+#define TX_ER_NAK              0x00800000 /* Received NAK handshake */
+#define TX_ER_STALL            0x00400000 /* Received STALL handshake */
+#define TX_ER_TIMEOUT          0x00200000 /* Transmit time out */
+#define TX_ER_UNDERUN          0x00100000 /* Transmit underrun */
+#define FRAME_INPROGRESS       0x00080000 /* Frame is being transmitted */
+#define ER_DATA_UNDERUN        0x00040000 /* Frame is shorter then expected */
+#define ER_DATA_OVERUN         0x00020000 /* Frame is longer then expected */
+
+/* QE USB frame operation functions */
+#define frame_get_length(frm) (frm->len)
+#define frame_set_length(frm, leng) (frm->len = leng)
+#define frame_get_data(frm) (frm->data)
+#define frame_set_data(frm, dat) (frm->data = dat)
+#define frame_get_info(frm) (frm->info)
+#define frame_set_info(frm, inf) (frm->info = inf)
+#define frame_get_status(frm) (frm->status)
+#define frame_set_status(frm, stat) (frm->status = stat)
+#define frame_get_privdata(frm) (frm->privdata)
+#define frame_set_privdata(frm, dat) (frm->privdata = dat)
+
+static inline void qe_frame_clean(struct qe_frame *frm)
+{
+	frame_set_data(frm, NULL);
+	frame_set_length(frm, 0);
+	frame_set_status(frm, FRAME_OK);
+	frame_set_info(frm, 0);
+	frame_set_privdata(frm, NULL);
+}
+
+static inline void qe_frame_init(struct qe_frame *frm)
+{
+	qe_frame_clean(frm);
+	INIT_LIST_HEAD(&(frm->node));
+}
+
+struct qe_req {
+	struct usb_request req;
+	struct list_head queue;
+	/* ep_queue() func will add
+	 a request->queue into a udc_ep->queue 'd tail */
+	struct qe_ep *ep;
+	unsigned mapped:1;
+};
+
+struct qe_ep {
+	struct usb_ep ep;
+	struct list_head queue;
+	struct qe_udc *udc;
+	const struct usb_endpoint_descriptor *desc;
+	struct usb_gadget *gadget;
+
+	u8 state;
+
+	struct qe_bd __iomem *rxbase;
+	struct qe_bd __iomem *n_rxbd;
+	struct qe_bd __iomem *e_rxbd;
+
+	struct qe_bd __iomem *txbase;
+	struct qe_bd __iomem *n_txbd;
+	struct qe_bd __iomem *c_txbd;
+
+	struct qe_frame *rxframe;
+	u8 *rxbuffer;
+	dma_addr_t rxbuf_d;
+	u8 rxbufmap;
+	unsigned char localnack;
+	int has_data;
+
+	struct qe_frame *txframe;
+	struct qe_req *tx_req;
+	int sent;  /*data already sent */
+	int last;  /*data sent in the last time*/
+
+	u8 dir;
+	u8 epnum;
+	u8 tm; /* transfer mode */
+	u8 data01;
+	u8 init;
+
+	u8 already_seen;
+	u8 enable_tasklet;
+	u8 setup_stage;
+	u32 last_io;            /* timestamp */
+
+	char name[14];
+
+	unsigned double_buf:1;
+	unsigned stopped:1;
+	unsigned fnf:1;
+	unsigned has_dma:1;
+
+	u8 ackwait;
+	u8 dma_channel;
+	u16 dma_counter;
+	int lch;
+
+	struct timer_list timer;
+};
+
+struct qe_udc {
+	struct usb_gadget gadget;
+	struct usb_gadget_driver *driver;
+	struct device *dev;
+	struct qe_ep eps[USB_MAX_ENDPOINTS];
+	struct usb_ctrlrequest local_setup_buff;
+	spinlock_t lock;	/* lock for set/config qe_udc */
+	unsigned long soc_type;		/* QE or CPM soc */
+
+	struct qe_req *status_req;	/* ep0 status request */
+
+	/* USB and EP Parameter Block pointer */
+	struct usb_device_para __iomem *usb_param;
+	struct usb_ep_para __iomem *ep_param[4];
+
+	u32 max_pipes;          /* Device max pipes */
+	u32 max_use_endpts;     /* Max endpointes to be used */
+	u32 bus_reset;          /* Device is bus reseting */
+	u32 resume_state;       /* USB state to resume*/
+	u32 usb_state;          /* USB current state */
+	u32 usb_next_state;     /* USB next state */
+	u32 ep0_state;          /* Enpoint zero state */
+	u32 ep0_dir;            /* Enpoint zero direction: can be
+				USB_DIR_IN or USB_DIR_OUT*/
+	u32 usb_sof_count;      /* SOF count */
+	u32 errors;             /* USB ERRORs count */
+
+	u8 *tmpbuf;
+	u32 c_start;
+	u32 c_end;
+
+	u8 *nullbuf;
+	u8 *statusbuf;
+	dma_addr_t nullp;
+	u8 nullmap;
+	u8 device_address;	/* Device USB address */
+
+	unsigned int usb_clock;
+	unsigned int usb_irq;
+	struct usb_ctlr __iomem *usb_regs;
+
+	struct tasklet_struct rx_tasklet;
+
+	struct completion *done;	/* to make sure release() is done */
+};
+
+#define EP_STATE_IDLE	0
+#define EP_STATE_NACK	1
+#define EP_STATE_STALL	2
+
+/*
+ * transmit BD's status
+ */
+#define T_R           0x80000000         /* ready bit */
+#define T_W           0x20000000         /* wrap bit */
+#define T_I           0x10000000         /* interrupt on completion */
+#define T_L           0x08000000         /* last */
+#define T_TC          0x04000000         /* transmit CRC */
+#define T_CNF         0x02000000         /* wait for  transmit confirm */
+#define T_LSP         0x01000000         /* Low-speed transaction */
+#define T_PID         0x00c00000         /* packet id */
+#define T_NAK         0x00100000         /* No ack. */
+#define T_STAL        0x00080000         /* Stall recieved */
+#define T_TO          0x00040000         /* time out */
+#define T_UN          0x00020000         /* underrun */
+
+#define DEVICE_T_ERROR    (T_UN | T_TO)
+#define HOST_T_ERROR      (T_UN | T_TO | T_NAK | T_STAL)
+#define DEVICE_T_BD_MASK  DEVICE_T_ERROR
+#define HOST_T_BD_MASK    HOST_T_ERROR
+
+#define T_PID_SHIFT   6
+#define T_PID_DATA0   0x00800000         /* Data 0 toggle */
+#define T_PID_DATA1   0x00c00000         /* Data 1 toggle */
+
+/*
+ * receive BD's status
+ */
+#define R_E           0x80000000         /* buffer empty */
+#define R_W           0x20000000         /* wrap bit */
+#define R_I           0x10000000         /* interrupt on reception */
+#define R_L           0x08000000         /* last */
+#define R_F           0x04000000         /* first */
+#define R_PID         0x00c00000         /* packet id */
+#define R_NO          0x00100000         /* Rx Non Octet Aligned Packet */
+#define R_AB          0x00080000         /* Frame Aborted */
+#define R_CR          0x00040000         /* CRC Error */
+#define R_OV          0x00020000         /* Overrun */
+
+#define R_ERROR       (R_NO | R_AB | R_CR | R_OV)
+#define R_BD_MASK     R_ERROR
+
+#define R_PID_DATA0   0x00000000
+#define R_PID_DATA1   0x00400000
+#define R_PID_SETUP   0x00800000
+
+#define CPM_USB_STOP_TX 0x2e600000
+#define CPM_USB_RESTART_TX 0x2e600000
+#define CPM_USB_STOP_TX_OPCODE 0x0a
+#define CPM_USB_RESTART_TX_OPCODE 0x0b
+#define CPM_USB_EP_SHIFT 5
+
+#ifndef CONFIG_CPM
+inline int cpm_command(u32 command, u8 opcode)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#ifndef CONFIG_QUICC_ENGINE
+inline int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol,
+	u32 cmd_input)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#endif  /* __FSL_QE_UDC_H */
diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 45ad556169f..091bb55c9aa 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -23,11 +23,8 @@
 #include <linux/ioport.h>
 #include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/init.h>
-#include <linux/timer.h>
 #include <linux/list.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
@@ -44,11 +41,9 @@
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/unaligned.h>
 #include <asm/dma.h>
-#include <asm/cacheflush.h>
 
 #include "fsl_usb2_udc.h"
 
@@ -61,8 +56,8 @@
 static const char driver_name[] = "fsl-usb2-udc";
 static const char driver_desc[] = DRIVER_DESC;
 
-volatile static struct usb_dr_device *dr_regs = NULL;
-volatile static struct usb_sys_interface *usb_sys_regs = NULL;
+static struct usb_dr_device *dr_regs;
+static struct usb_sys_interface *usb_sys_regs;
 
 /* it is initialized in probe()  */
 static struct fsl_udc *udc_controller = NULL;
@@ -76,16 +71,14 @@ fsl_ep0_desc = {
 	.wMaxPacketSize =	USB_MAX_CTRL_PAYLOAD,
 };
 
-static int fsl_udc_suspend(struct platform_device *pdev, pm_message_t state);
-static int fsl_udc_resume(struct platform_device *pdev);
 static void fsl_ep_fifo_flush(struct usb_ep *_ep);
 
 #ifdef CONFIG_PPC32
 #define fsl_readl(addr)		in_le32(addr)
-#define fsl_writel(addr, val32) out_le32(val32, addr)
+#define fsl_writel(val32, addr) out_le32(addr, val32)
 #else
 #define fsl_readl(addr)		readl(addr)
-#define fsl_writel(addr, val32) writel(addr, val32)
+#define fsl_writel(val32, addr) writel(val32, addr)
 #endif
 
 /********************************************************************
@@ -185,10 +178,6 @@ static int dr_controller_setup(struct fsl_udc *udc)
 	unsigned long timeout;
 #define FSL_UDC_RESET_TIMEOUT 1000
 
-	/* before here, make sure dr_regs has been initialized */
-	if (!udc)
-		return -EINVAL;
-
 	/* Stop and reset the usb controller */
 	tmp = fsl_readl(&dr_regs->usbcmd);
 	tmp &= ~USB_CMD_RUN_STOP;
@@ -202,7 +191,7 @@ static int dr_controller_setup(struct fsl_udc *udc)
 	timeout = jiffies + FSL_UDC_RESET_TIMEOUT;
 	while (fsl_readl(&dr_regs->usbcmd) & USB_CMD_CTRL_RESET) {
 		if (time_after(jiffies, timeout)) {
-			ERR("udc reset timeout! \n");
+			ERR("udc reset timeout!\n");
 			return -ETIMEDOUT;
 		}
 		cpu_relax();
@@ -315,7 +304,8 @@ static void dr_controller_stop(struct fsl_udc *udc)
 	return;
 }
 
-void dr_ep_setup(unsigned char ep_num, unsigned char dir, unsigned char ep_type)
+static void dr_ep_setup(unsigned char ep_num, unsigned char dir,
+			unsigned char ep_type)
 {
 	unsigned int tmp_epctrl = 0;
 
@@ -563,7 +553,7 @@ static int fsl_ep_disable(struct usb_ep *_ep)
 	/* nuke all pending requests (does flush) */
 	nuke(ep, -ESHUTDOWN);
 
-	ep->desc = 0;
+	ep->desc = NULL;
 	ep->stopped = 1;
 	spin_unlock_irqrestore(&udc->lock, flags);
 
@@ -602,7 +592,7 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
 }
 
 /*-------------------------------------------------------------------------*/
-static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
+static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
 	int i = ep_index(ep) * 2 + ep_is_in(ep);
 	u32 temp, bitmask, tmp_stat;
@@ -653,13 +643,16 @@ static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 			| EP_QUEUE_HEAD_STATUS_HALT));
 	dQH->size_ioc_int_sts &= temp;
 
+	/* Ensure that updates to the QH will occure before priming. */
+	wmb();
+
 	/* Prime endpoint by writing 1 to ENDPTPRIME */
 	temp = ep_is_in(ep)
 		? (1 << (ep_index(ep) + 16))
 		: (1 << (ep_index(ep)));
 	fsl_writel(temp, &dr_regs->endpointprime);
 out:
-	return 0;
+	return;
 }
 
 /* Fill in the dTD structure
@@ -710,7 +703,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
 		*is_last = 0;
 
 	if ((*is_last) == 0)
-		VDBG("multi-dtd request!\n");
+		VDBG("multi-dtd request!");
 	/* Fill in the transfer size; set active bit */
 	swap_temp = ((*length << DTD_LENGTH_BIT_POS) | DTD_STATUS_ACTIVE);
 
@@ -773,11 +766,11 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 	/* catch various bogus parameters */
 	if (!_req || !req->req.complete || !req->req.buf
 			|| !list_empty(&req->queue)) {
-		VDBG("%s, bad params\n", __func__);
+		VDBG("%s, bad params", __func__);
 		return -EINVAL;
 	}
 	if (unlikely(!_ep || !ep->desc)) {
-		VDBG("%s, bad ep\n", __func__);
+		VDBG("%s, bad ep", __func__);
 		return -EINVAL;
 	}
 	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
@@ -1069,7 +1062,7 @@ static int fsl_vbus_session(struct usb_gadget *gadget, int is_active)
 
 	udc = container_of(gadget, struct fsl_udc, gadget);
 	spin_lock_irqsave(&udc->lock, flags);
-	VDBG("VBUS %s\n", is_active ? "on" : "off");
+	VDBG("VBUS %s", is_active ? "on" : "off");
 	udc->vbus_active = (is_active != 0);
 	if (can_pullup(udc))
 		fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -1146,7 +1139,6 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 {
 	struct fsl_req *req = udc->status_req;
 	struct fsl_ep *ep;
-	int status = 0;
 
 	if (direction == EP_DIR_IN)
 		udc->ep0_dir = USB_DIR_IN;
@@ -1164,27 +1156,21 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 	req->dtd_count = 0;
 
 	if (fsl_req_to_dtd(req) == 0)
-		status = fsl_queue_td(ep, req);
+		fsl_queue_td(ep, req);
 	else
 		return -ENOMEM;
 
-	if (status)
-		ERR("Can't queue ep0 status request \n");
 	list_add_tail(&req->queue, &ep->queue);
 
-	return status;
+	return 0;
 }
 
-static inline int udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
+static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
 {
 	struct fsl_ep *ep = get_ep_by_pipe(udc, pipe);
 
-	if (!ep->name)
-		return 0;
-
-	nuke(ep, -ESHUTDOWN);
-
-	return 0;
+	if (ep->name)
+		nuke(ep, -ESHUTDOWN);
 }
 
 /*
@@ -1208,10 +1194,8 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 		u16 index, u16 length)
 {
 	u16 tmp = 0;		/* Status, cpu endian */
-
 	struct fsl_req *req;
 	struct fsl_ep *ep;
-	int status = 0;
 
 	ep = &udc->eps[0];
 
@@ -1250,14 +1234,10 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 
 	/* prime the data phase */
 	if ((fsl_req_to_dtd(req) == 0))
-		status = fsl_queue_td(ep, req);
+		fsl_queue_td(ep, req);
 	else			/* no mem */
 		goto stall;
 
-	if (status) {
-		ERR("Can't respond to getstatus request \n");
-		goto stall;
-	}
 	list_add_tail(&req->queue, &ep->queue);
 	udc->ep0_state = DATA_STATE_XMIT;
 	return;
@@ -1397,7 +1377,7 @@ static void ep0_req_complete(struct fsl_udc *udc, struct fsl_ep *ep0,
 		udc->ep0_state = WAIT_FOR_SETUP;
 		break;
 	case WAIT_FOR_SETUP:
-		ERR("Unexpect ep0 packets \n");
+		ERR("Unexpect ep0 packets\n");
 		break;
 	default:
 		ep0stall(udc);
@@ -1476,7 +1456,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
 				status = -EILSEQ;
 				break;
 			} else
-				ERR("Unknown error has occured (0x%x)!\r\n",
+				ERR("Unknown error has occured (0x%x)!\n",
 					errors);
 
 		} else if (le32_to_cpu(curr_td->size_ioc_sts)
@@ -1495,7 +1475,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
 			}
 		} else {
 			td_complete++;
-			VDBG("dTD transmitted successful ");
+			VDBG("dTD transmitted successful");
 		}
 
 		if (j != curr_req->dtd_count - 1)
@@ -1568,9 +1548,6 @@ static void port_change_irq(struct fsl_udc *udc)
 {
 	u32 speed;
 
-	if (udc->bus_reset)
-		udc->bus_reset = 0;
-
 	/* Bus resetting is finished */
 	if (!(fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET)) {
 		/* Get the speed */
@@ -1678,8 +1655,6 @@ static void reset_irq(struct fsl_udc *udc)
 
 	if (fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET) {
 		VDBG("Bus reset");
-		/* Bus is reseting */
-		udc->bus_reset = 1;
 		/* Reset all the queues, include XD, dTD, EP queue
 		 * head and TR Queue */
 		reset_queues(udc);
@@ -1768,7 +1743,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
 	}
 
 	if (irq_src & (USB_STS_ERR | USB_STS_SYS_ERR)) {
-		VDBG("Error IRQ %x ", irq_src);
+		VDBG("Error IRQ %x", irq_src);
 	}
 
 	spin_unlock_irqrestore(&udc->lock, flags);
@@ -1799,7 +1774,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	/* lock is needed but whether should use this lock or another */
 	spin_lock_irqsave(&udc_controller->lock, flags);
 
-	driver->driver.bus = 0;
+	driver->driver.bus = NULL;
 	/* hook up the driver */
 	udc_controller->driver = driver;
 	udc_controller->gadget.dev.driver = &driver->driver;
@@ -1809,8 +1784,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	retval = driver->bind(&udc_controller->gadget);
 	if (retval) {
 		VDBG("bind to %s --> %d", driver->driver.name, retval);
-		udc_controller->gadget.dev.driver = 0;
-		udc_controller->driver = 0;
+		udc_controller->gadget.dev.driver = NULL;
+		udc_controller->driver = NULL;
 		goto out;
 	}
 
@@ -1819,12 +1794,12 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	udc_controller->usb_state = USB_STATE_ATTACHED;
 	udc_controller->ep0_state = WAIT_FOR_SETUP;
 	udc_controller->ep0_dir = 0;
-	printk(KERN_INFO "%s: bind to driver %s \n",
+	printk(KERN_INFO "%s: bind to driver %s\n",
 			udc_controller->gadget.name, driver->driver.name);
 
 out:
 	if (retval)
-		printk("retval %d \n", retval);
+		printk("gadget driver register failed %d\n", retval);
 	return retval;
 }
 EXPORT_SYMBOL(usb_gadget_register_driver);
@@ -1842,7 +1817,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 		return -EINVAL;
 
 	if (udc_controller->transceiver)
-		(void)otg_set_peripheral(udc_controller->transceiver, 0);
+		otg_set_peripheral(udc_controller->transceiver, NULL);
 
 	/* stop DR, disable intr */
 	dr_controller_stop(udc_controller);
@@ -1863,10 +1838,10 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 
 	/* unbind gadget and unhook driver. */
 	driver->unbind(&udc_controller->gadget);
-	udc_controller->gadget.dev.driver = 0;
-	udc_controller->driver = 0;
+	udc_controller->gadget.dev.driver = NULL;
+	udc_controller->driver = NULL;
 
-	printk("unregistered gadget driver '%s'\r\n", driver->driver.name);
+	printk("unregistered gadget driver '%s'\n", driver->driver.name);
 	return 0;
 }
 EXPORT_SYMBOL(usb_gadget_unregister_driver);
@@ -1922,7 +1897,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->usbsts);
 	t = scnprintf(next, size,
 			"USB Status Reg:\n"
-			"Dr Suspend: %d" "Reset Received: %d" "System Error: %s"
+			"Dr Suspend: %d Reset Received: %d System Error: %s "
 			"USB Error Interrupt: %s\n\n",
 			(tmp_reg & USB_STS_SUSPEND) ? 1 : 0,
 			(tmp_reg & USB_STS_RESET) ? 1 : 0,
@@ -1934,11 +1909,11 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->usbintr);
 	t = scnprintf(next, size,
 			"USB Intrrupt Enable Reg:\n"
-			"Sleep Enable: %d" "SOF Received Enable: %d"
+			"Sleep Enable: %d SOF Received Enable: %d "
 			"Reset Enable: %d\n"
-			"System Error Enable: %d"
+			"System Error Enable: %d "
 			"Port Change Dectected Enable: %d\n"
-			"USB Error Intr Enable: %d" "USB Intr Enable: %d\n\n",
+			"USB Error Intr Enable: %d USB Intr Enable: %d\n\n",
 			(tmp_reg & USB_INTR_DEVICE_SUSPEND) ? 1 : 0,
 			(tmp_reg & USB_INTR_SOF_EN) ? 1 : 0,
 			(tmp_reg & USB_INTR_RESET_EN) ? 1 : 0,
@@ -1951,21 +1926,21 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->frindex);
 	t = scnprintf(next, size,
-			"USB Frame Index Reg:" "Frame Number is 0x%x\n\n",
+			"USB Frame Index Reg: Frame Number is 0x%x\n\n",
 			(tmp_reg & USB_FRINDEX_MASKS));
 	size -= t;
 	next += t;
 
 	tmp_reg = fsl_readl(&dr_regs->deviceaddr);
 	t = scnprintf(next, size,
-			"USB Device Address Reg:" "Device Addr is 0x%x\n\n",
+			"USB Device Address Reg: Device Addr is 0x%x\n\n",
 			(tmp_reg & USB_DEVICE_ADDRESS_MASK));
 	size -= t;
 	next += t;
 
 	tmp_reg = fsl_readl(&dr_regs->endpointlistaddr);
 	t = scnprintf(next, size,
-			"USB Endpoint List Address Reg:"
+			"USB Endpoint List Address Reg: "
 			"Device Addr is 0x%x\n\n",
 			(tmp_reg & USB_EP_LIST_ADDRESS_MASK));
 	size -= t;
@@ -1974,11 +1949,12 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->portsc1);
 	t = scnprintf(next, size,
 		"USB Port Status&Control Reg:\n"
-		"Port Transceiver Type : %s" "Port Speed: %s \n"
-		"PHY Low Power Suspend: %s" "Port Reset: %s"
-		"Port Suspend Mode: %s \n" "Over-current Change: %s"
+		"Port Transceiver Type : %s Port Speed: %s\n"
+		"PHY Low Power Suspend: %s Port Reset: %s "
+		"Port Suspend Mode: %s\n"
+		"Over-current Change: %s "
 		"Port Enable/Disable Change: %s\n"
-		"Port Enabled/Disabled: %s"
+		"Port Enabled/Disabled: %s "
 		"Current Connect Status: %s\n\n", ( {
 			char *s;
 			switch (tmp_reg & PORTSCX_PTS_FSLS) {
@@ -2023,7 +1999,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->usbmode);
 	t = scnprintf(next, size,
-			"USB Mode Reg:" "Controller Mode is : %s\n\n", ( {
+			"USB Mode Reg: Controller Mode is: %s\n\n", ( {
 				char *s;
 				switch (tmp_reg & USB_MODE_CTRL_MODE_HOST) {
 				case USB_MODE_CTRL_MODE_IDLE:
@@ -2042,7 +2018,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->endptsetupstat);
 	t = scnprintf(next, size,
-			"Endpoint Setup Status Reg:" "SETUP on ep 0x%x\n\n",
+			"Endpoint Setup Status Reg: SETUP on ep 0x%x\n\n",
 			(tmp_reg & EP_SETUP_STATUS_MASK));
 	size -= t;
 	next += t;
@@ -2055,12 +2031,12 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 		next += t;
 	}
 	tmp_reg = fsl_readl(&dr_regs->endpointprime);
-	t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n", tmp_reg);
+	t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
 	size -= t;
 	next += t;
 
 	tmp_reg = usb_sys_regs->snoop1;
-	t = scnprintf(next, size, "\nSnoop1 Reg : = [0x%x]\n\n", tmp_reg);
+	t = scnprintf(next, size, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
 	size -= t;
 	next += t;
 
@@ -2084,7 +2060,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	} else {
 		list_for_each_entry(req, &ep->queue, queue) {
 			t = scnprintf(next, size,
-				"req %p actual 0x%x length 0x%x  buf %p\n",
+				"req %p actual 0x%x length 0x%x buf %p\n",
 				&req->req, req->req.actual,
 				req->req.length, req->req.buf);
 			size -= t;
@@ -2110,7 +2086,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 			} else {
 				list_for_each_entry(req, &ep->queue, queue) {
 					t = scnprintf(next, size,
-						"req %p actual 0x%x length"
+						"req %p actual 0x%x length "
 						"0x%x  buf %p\n",
 						&req->req, req->req.actual,
 						req->req.length, req->req.buf);
@@ -2202,7 +2178,6 @@ static int __init struct_udc_setup(struct fsl_udc *udc,
 	udc->usb_state = USB_STATE_POWERED;
 	udc->ep0_dir = 0;
 	udc->remote_wakeup = 0;	/* default to 0 on reset */
-	spin_lock_init(&udc->lock);
 
 	return 0;
 }
@@ -2254,7 +2229,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	u32 dccparams;
 
 	if (strcmp(pdev->name, driver_name)) {
-		VDBG("Wrong device\n");
+		VDBG("Wrong device");
 		return -ENODEV;
 	}
 
@@ -2264,23 +2239,26 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	spin_lock_init(&udc_controller->lock);
+	udc_controller->stopped = 1;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		kfree(udc_controller);
-		return -ENXIO;
+		ret = -ENXIO;
+		goto err_kfree;
 	}
 
 	if (!request_mem_region(res->start, res->end - res->start + 1,
 				driver_name)) {
-		ERR("request mem region for %s failed \n", pdev->name);
-		kfree(udc_controller);
-		return -EBUSY;
+		ERR("request mem region for %s failed\n", pdev->name);
+		ret = -EBUSY;
+		goto err_kfree;
 	}
 
 	dr_regs = ioremap(res->start, res->end - res->start + 1);
 	if (!dr_regs) {
 		ret = -ENOMEM;
-		goto err1;
+		goto err_release_mem_region;
 	}
 
 	usb_sys_regs = (struct usb_sys_interface *)
@@ -2291,7 +2269,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	if (!(dccparams & DCCPARAMS_DC)) {
 		ERR("This SOC doesn't support device role\n");
 		ret = -ENODEV;
-		goto err2;
+		goto err_iounmap;
 	}
 	/* Get max device endpoints */
 	/* DEN is bidirectional ep number, max_ep doubles the number */
@@ -2300,22 +2278,22 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	udc_controller->irq = platform_get_irq(pdev, 0);
 	if (!udc_controller->irq) {
 		ret = -ENODEV;
-		goto err2;
+		goto err_iounmap;
 	}
 
 	ret = request_irq(udc_controller->irq, fsl_udc_irq, IRQF_SHARED,
 			driver_name, udc_controller);
 	if (ret != 0) {
-		ERR("cannot request irq %d err %d \n",
+		ERR("cannot request irq %d err %d\n",
 				udc_controller->irq, ret);
-		goto err2;
+		goto err_iounmap;
 	}
 
 	/* Initialize the udc structure including QH member and other member */
 	if (struct_udc_setup(udc_controller, pdev)) {
 		ERR("Can't initialize udc data structure\n");
 		ret = -ENOMEM;
-		goto err3;
+		goto err_free_irq;
 	}
 
 	/* initialize usb hw reg except for regs for EP,
@@ -2336,7 +2314,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	udc_controller->gadget.dev.parent = &pdev->dev;
 	ret = device_register(&udc_controller->gadget.dev);
 	if (ret < 0)
-		goto err3;
+		goto err_free_irq;
 
 	/* setup QH and epctrl for ep0 */
 	ep0_setup(udc_controller);
@@ -2366,20 +2344,22 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 			DTD_ALIGNMENT, UDC_DMA_BOUNDARY);
 	if (udc_controller->td_pool == NULL) {
 		ret = -ENOMEM;
-		goto err4;
+		goto err_unregister;
 	}
 	create_proc_file();
 	return 0;
 
-err4:
+err_unregister:
 	device_unregister(&udc_controller->gadget.dev);
-err3:
+err_free_irq:
 	free_irq(udc_controller->irq, udc_controller);
-err2:
+err_iounmap:
 	iounmap(dr_regs);
-err1:
+err_release_mem_region:
 	release_mem_region(res->start, res->end - res->start + 1);
+err_kfree:
 	kfree(udc_controller);
+	udc_controller = NULL;
 	return ret;
 }
 
@@ -2469,7 +2449,7 @@ module_init(udc_init);
 static void __exit udc_exit(void)
 {
 	platform_driver_unregister(&udc_driver);
-	printk("%s unregistered \n", driver_desc);
+	printk("%s unregistered\n", driver_desc);
 }
 
 module_exit(udc_exit);
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 6131752a38b..e63ef12645f 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -424,16 +424,6 @@ struct ep_td_struct {
 /* Controller dma boundary */
 #define UDC_DMA_BOUNDARY			0x1000
 
-/* -----------------------------------------------------------------------*/
-/* ##### enum data
-*/
-typedef enum {
-	e_ULPI,
-	e_UTMI_8BIT,
-	e_UTMI_16BIT,
-	e_SERIAL
-} e_PhyInterface;
-
 /*-------------------------------------------------------------------------*/
 
 /* ### driver private data
@@ -469,9 +459,9 @@ struct fsl_ep {
 #define EP_DIR_OUT	0
 
 struct fsl_udc {
-
 	struct usb_gadget gadget;
 	struct usb_gadget_driver *driver;
+	struct completion *done;	/* to make sure release() is done */
 	struct fsl_ep *eps;
 	unsigned int max_ep;
 	unsigned int irq;
@@ -492,20 +482,13 @@ struct fsl_udc {
 	size_t ep_qh_size;		/* size after alignment adjustment*/
 	dma_addr_t ep_qh_dma;		/* dma address of QH */
 
-	u32 max_pipes;		/* Device max pipes */
-	u32 max_use_endpts;	/* Max endpointes to be used */
-	u32 bus_reset;		/* Device is bus reseting */
+	u32 max_pipes;          /* Device max pipes */
 	u32 resume_state;	/* USB state to resume */
 	u32 usb_state;		/* USB current state */
-	u32 usb_next_state;	/* USB next state */
 	u32 ep0_state;		/* Endpoint zero state */
 	u32 ep0_dir;		/* Endpoint zero direction: can be
 				   USB_DIR_IN or USB_DIR_OUT */
-	u32 usb_sof_count;	/* SOF count */
-	u32 errors;		/* USB ERRORs count */
 	u8 device_address;	/* Device USB address */
-
-	struct completion *done;	/* to make sure release() is done */
 };
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 17d9905101b..4e3107dd2f3 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -151,6 +151,13 @@
 #define	gadget_is_m66592(g)	0
 #endif
 
+/* Freescale CPM/QE UDC SUPPORT */
+#ifdef CONFIG_USB_GADGET_FSL_QE
+#define gadget_is_fsl_qe(g)	!strcmp("fsl_qe_udc", (g)->name)
+#else
+#define gadget_is_fsl_qe(g)	0
+#endif
+
 
 // CONFIG_USB_GADGET_SX2
 // CONFIG_USB_GADGET_AU1X00
@@ -216,6 +223,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x20;
 	else if (gadget_is_m66592(gadget))
 		return 0x21;
+	else if (gadget_is_fsl_qe(gadget))
+		return 0x22;
 	return -ENOENT;
 }
 
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index ea8651e3da1..60d3f9e9b51 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -35,6 +35,21 @@
 
 #include "gadget_chips.h"
 
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+/*-------------------------------------------------------------------------*/
+
+
 MODULE_AUTHOR("Ben Williamson");
 MODULE_LICENSE("GPL v2");
 
@@ -207,7 +222,7 @@ static struct usb_config_descriptor config_desc = {
 	 * power properties of the device. Is it selfpowered?
 	 */
 	.bmAttributes =		USB_CONFIG_ATT_ONE,
-	.bMaxPower =		1,
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 /* B.3.1  Standard AC Interface Descriptor */
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 5cfb5ebf388..8ae70de2c37 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -178,6 +178,7 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 
 	/* ep_reset() has already been called */
 	ep->stopped = 0;
+	ep->wedged = 0;
 	ep->out_overflow = 0;
 
 	/* set speed-dependent max packet; may kick in high bandwidth */
@@ -1218,7 +1219,7 @@ static int net2280_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 static int net2280_fifo_status (struct usb_ep *_ep);
 
 static int
-net2280_set_halt (struct usb_ep *_ep, int value)
+net2280_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
 {
 	struct net2280_ep	*ep;
 	unsigned long		flags;
@@ -1239,16 +1240,21 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 	else if (ep->is_in && value && net2280_fifo_status (_ep) != 0)
 		retval = -EAGAIN;
 	else {
-		VDEBUG (ep->dev, "%s %s halt\n", _ep->name,
-				value ? "set" : "clear");
+		VDEBUG (ep->dev, "%s %s %s\n", _ep->name,
+				value ? "set" : "clear",
+				wedged ? "wedge" : "halt");
 		/* set/clear, then synch memory views with the device */
 		if (value) {
 			if (ep->num == 0)
 				ep->dev->protocol_stall = 1;
 			else
 				set_halt (ep);
-		} else
+			if (wedged)
+				ep->wedged = 1;
+		} else {
 			clear_halt (ep);
+			ep->wedged = 0;
+		}
 		(void) readl (&ep->regs->ep_rsp);
 	}
 	spin_unlock_irqrestore (&ep->dev->lock, flags);
@@ -1257,6 +1263,20 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 }
 
 static int
+net2280_set_halt(struct usb_ep *_ep, int value)
+{
+	return net2280_set_halt_and_wedge(_ep, value, 0);
+}
+
+static int
+net2280_set_wedge(struct usb_ep *_ep)
+{
+	if (!_ep || _ep->name == ep0name)
+		return -EINVAL;
+	return net2280_set_halt_and_wedge(_ep, 1, 1);
+}
+
+static int
 net2280_fifo_status (struct usb_ep *_ep)
 {
 	struct net2280_ep	*ep;
@@ -1302,6 +1322,7 @@ static const struct usb_ep_ops net2280_ep_ops = {
 	.dequeue	= net2280_dequeue,
 
 	.set_halt	= net2280_set_halt,
+	.set_wedge	= net2280_set_wedge,
 	.fifo_status	= net2280_fifo_status,
 	.fifo_flush	= net2280_fifo_flush,
 };
@@ -2410,9 +2431,14 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
-			clear_halt (e);
+			if (e->wedged) {
+				VDEBUG(dev, "%s wedged, halt not cleared\n",
+						ep->ep.name);
+			} else {
+				VDEBUG(dev, "%s clear halt\n", ep->ep.name);
+				clear_halt(e);
+			}
 			allow_status (ep);
-			VDEBUG (dev, "%s clear halt\n", ep->ep.name);
 			goto next_endpoints;
 			}
 			break;
@@ -2427,6 +2453,8 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
+			if (e->ep.name == ep0name)
+				goto do_stall;
 			set_halt (e);
 			allow_status (ep);
 			VDEBUG (dev, "%s set halt\n", ep->ep.name);
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index 81a71dbdc2c..c36852263d9 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -109,6 +109,7 @@ struct net2280_ep {
 						in_fifo_validate : 1,
 						out_overflow : 1,
 						stopped : 1,
+						wedged : 1,
 						is_in : 1,
 						is_iso : 1,
 						responded : 1;
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index bb54cca4c54..34e9e393f92 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2313,6 +2313,13 @@ static int proc_otg_show(struct seq_file *s)
 
 	tmp = omap_readl(OTG_REV);
 	if (cpu_is_omap24xx()) {
+		/*
+		 * REVISIT: Not clear how this works on OMAP2.  trans
+		 * is ANDed to produce bits 7 and 8, which might make
+		 * sense for USB_TRANSCEIVER_CTRL on OMAP1,
+		 * but with CONTROL_DEVCONF, these bits have something to
+		 * do with the frame adjustment counter and McBSP2.
+		 */
 		ctrl_name = "control_devconf";
 		trans = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 	} else {
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index e0090085b78..5a3034fdfe4 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -53,6 +53,20 @@
 
 #include "gadget_chips.h"
 
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+/*-------------------------------------------------------------------------*/
+
 #define DRIVER_DESC		"Printer Gadget"
 #define DRIVER_VERSION		"2007 OCT 06"
 
@@ -238,7 +252,7 @@ static struct usb_config_descriptor config_desc = {
 	.bConfigurationValue =	DEV_CONFIG_VALUE,
 	.iConfiguration =	0,
 	.bmAttributes =		USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower =		1	/* Self-Powered */
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 static struct usb_interface_descriptor intf_desc = {
@@ -1264,8 +1278,7 @@ unknown:
 	/* respond with data transfer before status phase? */
 	if (value >= 0) {
 		req->length = value;
-		req->zero = value < wLength
-				&& (value % gadget->ep0->maxpacket) == 0;
+		req->zero = value < wLength;
 		value = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
 		if (value < 0) {
 			DBG(dev, "ep_queue --> %d\n", value);
@@ -1360,8 +1373,8 @@ printer_bind(struct usb_gadget *gadget)
 
 
 	/* Setup the sysfs files for the printer gadget. */
-	dev->pdev = device_create_drvdata(usb_gadget_class, NULL,
-					  g_printer_devno, NULL, "g_printer");
+	dev->pdev = device_create(usb_gadget_class, NULL, g_printer_devno,
+				  NULL, "g_printer");
 	if (IS_ERR(dev->pdev)) {
 		ERROR(dev, "Failed to create device: g_printer\n");
 		goto fail;
@@ -1463,7 +1476,6 @@ autoconf_fail:
 	if (gadget->is_otg) {
 		otg_desc.bmAttributes |= USB_OTG_HNP,
 		config_desc.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-		config_desc.bMaxPower = 4;
 	}
 
 	spin_lock_init(&dev->lock);
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 7cbc78a6853..bcf375ca3d7 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -22,7 +22,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/errno.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 7228e856223..8c26f5ea2b8 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -57,11 +57,6 @@ MODULE_PARM_DESC (rndis_debug, "enable debugging");
 #define rndis_debug		0
 #endif
 
-#define DBG(str,args...) do { \
-	if (rndis_debug) \
-		pr_debug(str , ## args); \
-	} while (0)
-
 #define RNDIS_MAX_CONFIGS	1
 
 
@@ -183,9 +178,9 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	if (!resp) return -ENOMEM;
 
 	if (buf_len && rndis_debug > 1) {
-		DBG("query OID %08x value, len %d:\n", OID, buf_len);
+		pr_debug("query OID %08x value, len %d:\n", OID, buf_len);
 		for (i = 0; i < buf_len; i += 16) {
-			DBG("%03d: %08x %08x %08x %08x\n", i,
+			pr_debug("%03d: %08x %08x %08x %08x\n", i,
 				get_unaligned_le32(&buf[i]),
 				get_unaligned_le32(&buf[i + 4]),
 				get_unaligned_le32(&buf[i + 8]),
@@ -209,7 +204,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_SUPPORTED_LIST:
-		DBG("%s: OID_GEN_SUPPORTED_LIST\n", __func__);
+		pr_debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__);
 		length = sizeof (oid_supported_list);
 		count  = length / sizeof (u32);
 		for (i = 0; i < count; i++)
@@ -219,7 +214,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_HARDWARE_STATUS:
-		DBG("%s: OID_GEN_HARDWARE_STATUS\n", __func__);
+		pr_debug("%s: OID_GEN_HARDWARE_STATUS\n", __func__);
 		/* Bogus question!
 		 * Hardware must be ready to receive high level protocols.
 		 * BTW:
@@ -232,14 +227,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_MEDIA_SUPPORTED:
-		DBG("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__);
+		pr_debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__);
 		*outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
 		retval = 0;
 		break;
 
 	/* mandatory */
 	case OID_GEN_MEDIA_IN_USE:
-		DBG("%s: OID_GEN_MEDIA_IN_USE\n", __func__);
+		pr_debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__);
 		/* one medium, one transport... (maybe you do it better) */
 		*outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
 		retval = 0;
@@ -247,7 +242,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_MAXIMUM_FRAME_SIZE:
-		DBG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__);
+		pr_debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__);
 		if (rndis_per_dev_params [configNr].dev) {
 			*outbuf = cpu_to_le32 (
 				rndis_per_dev_params [configNr].dev->mtu);
@@ -258,7 +253,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_LINK_SPEED:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_LINK_SPEED\n", __func__);
+			pr_debug("%s: OID_GEN_LINK_SPEED\n", __func__);
 		if (rndis_per_dev_params [configNr].media_state
 				== NDIS_MEDIA_STATE_DISCONNECTED)
 			*outbuf = __constant_cpu_to_le32 (0);
@@ -270,7 +265,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_TRANSMIT_BLOCK_SIZE:
-		DBG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__);
+		pr_debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__);
 		if (rndis_per_dev_params [configNr].dev) {
 			*outbuf = cpu_to_le32 (
 				rndis_per_dev_params [configNr].dev->mtu);
@@ -280,7 +275,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_RECEIVE_BLOCK_SIZE:
-		DBG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__);
+		pr_debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__);
 		if (rndis_per_dev_params [configNr].dev) {
 			*outbuf = cpu_to_le32 (
 				rndis_per_dev_params [configNr].dev->mtu);
@@ -290,7 +285,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_VENDOR_ID:
-		DBG("%s: OID_GEN_VENDOR_ID\n", __func__);
+		pr_debug("%s: OID_GEN_VENDOR_ID\n", __func__);
 		*outbuf = cpu_to_le32 (
 			rndis_per_dev_params [configNr].vendorID);
 		retval = 0;
@@ -298,7 +293,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_VENDOR_DESCRIPTION:
-		DBG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__);
+		pr_debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__);
 		length = strlen (rndis_per_dev_params [configNr].vendorDescr);
 		memcpy (outbuf,
 			rndis_per_dev_params [configNr].vendorDescr, length);
@@ -306,7 +301,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 		break;
 
 	case OID_GEN_VENDOR_DRIVER_VERSION:
-		DBG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__);
+		pr_debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__);
 		/* Created as LE */
 		*outbuf = rndis_driver_version;
 		retval = 0;
@@ -314,14 +309,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_CURRENT_PACKET_FILTER:
-		DBG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__);
+		pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__);
 		*outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter);
 		retval = 0;
 		break;
 
 	/* mandatory */
 	case OID_GEN_MAXIMUM_TOTAL_SIZE:
-		DBG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__);
+		pr_debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__);
 		*outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
 		retval = 0;
 		break;
@@ -329,14 +324,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_MEDIA_CONNECT_STATUS:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__);
+			pr_debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__);
 		*outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
 						.media_state);
 		retval = 0;
 		break;
 
 	case OID_GEN_PHYSICAL_MEDIUM:
-		DBG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__);
+		pr_debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__);
 		*outbuf = __constant_cpu_to_le32 (0);
 		retval = 0;
 		break;
@@ -346,7 +341,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	 * versions emit undefined RNDIS messages. DOCUMENT ALL THESE!
 	 */
 	case OID_GEN_MAC_OPTIONS:		/* from WinME */
-		DBG("%s: OID_GEN_MAC_OPTIONS\n", __func__);
+		pr_debug("%s: OID_GEN_MAC_OPTIONS\n", __func__);
 		*outbuf = __constant_cpu_to_le32(
 			  NDIS_MAC_OPTION_RECEIVE_SERIALIZED
 			| NDIS_MAC_OPTION_FULL_DUPLEX);
@@ -358,7 +353,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_XMIT_OK:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_XMIT_OK\n", __func__);
+			pr_debug("%s: OID_GEN_XMIT_OK\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->tx_packets
 				- stats->tx_errors - stats->tx_dropped);
@@ -369,7 +364,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_RCV_OK:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_RCV_OK\n", __func__);
+			pr_debug("%s: OID_GEN_RCV_OK\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->rx_packets
 				- stats->rx_errors - stats->rx_dropped);
@@ -380,7 +375,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_XMIT_ERROR:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_XMIT_ERROR\n", __func__);
+			pr_debug("%s: OID_GEN_XMIT_ERROR\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->tx_errors);
 			retval = 0;
@@ -390,7 +385,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_RCV_ERROR:
 		if (rndis_debug > 1)
-			DBG("%s: OID_GEN_RCV_ERROR\n", __func__);
+			pr_debug("%s: OID_GEN_RCV_ERROR\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->rx_errors);
 			retval = 0;
@@ -399,7 +394,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_GEN_RCV_NO_BUFFER:
-		DBG("%s: OID_GEN_RCV_NO_BUFFER\n", __func__);
+		pr_debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->rx_dropped);
 			retval = 0;
@@ -410,7 +405,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_802_3_PERMANENT_ADDRESS:
-		DBG("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__);
+		pr_debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__);
 		if (rndis_per_dev_params [configNr].dev) {
 			length = ETH_ALEN;
 			memcpy (outbuf,
@@ -422,7 +417,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_802_3_CURRENT_ADDRESS:
-		DBG("%s: OID_802_3_CURRENT_ADDRESS\n", __func__);
+		pr_debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__);
 		if (rndis_per_dev_params [configNr].dev) {
 			length = ETH_ALEN;
 			memcpy (outbuf,
@@ -434,7 +429,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_802_3_MULTICAST_LIST:
-		DBG("%s: OID_802_3_MULTICAST_LIST\n", __func__);
+		pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__);
 		/* Multicast base address only */
 		*outbuf = __constant_cpu_to_le32 (0xE0000000);
 		retval = 0;
@@ -442,21 +437,21 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_802_3_MAXIMUM_LIST_SIZE:
-		DBG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__);
+		pr_debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__);
 		/* Multicast base address only */
 		*outbuf = __constant_cpu_to_le32 (1);
 		retval = 0;
 		break;
 
 	case OID_802_3_MAC_OPTIONS:
-		DBG("%s: OID_802_3_MAC_OPTIONS\n", __func__);
+		pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__);
 		break;
 
 	/* ieee802.3 statistics OIDs (table 4-4) */
 
 	/* mandatory */
 	case OID_802_3_RCV_ERROR_ALIGNMENT:
-		DBG("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__);
+		pr_debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__);
 		if (stats) {
 			*outbuf = cpu_to_le32(stats->rx_frame_errors);
 			retval = 0;
@@ -465,14 +460,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 
 	/* mandatory */
 	case OID_802_3_XMIT_ONE_COLLISION:
-		DBG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__);
+		pr_debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__);
 		*outbuf = __constant_cpu_to_le32 (0);
 		retval = 0;
 		break;
 
 	/* mandatory */
 	case OID_802_3_XMIT_MORE_COLLISIONS:
-		DBG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__);
+		pr_debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__);
 		*outbuf = __constant_cpu_to_le32 (0);
 		retval = 0;
 		break;
@@ -504,9 +499,9 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
 		return -ENOMEM;
 
 	if (buf_len && rndis_debug > 1) {
-		DBG("set OID %08x value, len %d:\n", OID, buf_len);
+		pr_debug("set OID %08x value, len %d:\n", OID, buf_len);
 		for (i = 0; i < buf_len; i += 16) {
-			DBG("%03d: %08x %08x %08x %08x\n", i,
+			pr_debug("%03d: %08x %08x %08x %08x\n", i,
 				get_unaligned_le32(&buf[i]),
 				get_unaligned_le32(&buf[i + 4]),
 				get_unaligned_le32(&buf[i + 8]),
@@ -525,7 +520,7 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
 		 *	MULTICAST, ALL_MULTICAST, BROADCAST
 		 */
 		*params->filter = (u16)get_unaligned_le32(buf);
-		DBG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
+		pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
 			__func__, *params->filter);
 
 		/* this call has a significant side effect:  it's
@@ -547,7 +542,7 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
 
 	case OID_802_3_MULTICAST_LIST:
 		/* I think we can ignore this */
-		DBG("%s: OID_802_3_MULTICAST_LIST\n", __func__);
+		pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__);
 		retval = 0;
 		break;
 
@@ -606,7 +601,7 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf)
 	rndis_resp_t            *r;
 	struct rndis_params	*params = rndis_per_dev_params + configNr;
 
-	// DBG("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID));
+	/* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */
 	if (!params->dev)
 		return -ENOTSUPP;
 
@@ -659,15 +654,15 @@ static int rndis_set_response (int configNr, rndis_set_msg_type *buf)
 	BufOffset = le32_to_cpu (buf->InformationBufferOffset);
 
 #ifdef	VERBOSE_DEBUG
-	DBG("%s: Length: %d\n", __func__, BufLength);
-	DBG("%s: Offset: %d\n", __func__, BufOffset);
-	DBG("%s: InfoBuffer: ", __func__);
+	pr_debug("%s: Length: %d\n", __func__, BufLength);
+	pr_debug("%s: Offset: %d\n", __func__, BufOffset);
+	pr_debug("%s: InfoBuffer: ", __func__);
 
 	for (i = 0; i < BufLength; i++) {
-		DBG("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
+		pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
 	}
 
-	DBG("\n");
+	pr_debug("\n");
 #endif
 
 	resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_SET_CMPLT);
@@ -821,14 +816,14 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
 	/* For USB: responses may take up to 10 seconds */
 	switch (MsgType) {
 	case REMOTE_NDIS_INITIALIZE_MSG:
-		DBG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
+		pr_debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
 			__func__ );
 		params->state = RNDIS_INITIALIZED;
 		return  rndis_init_response (configNr,
 					(rndis_init_msg_type *) buf);
 
 	case REMOTE_NDIS_HALT_MSG:
-		DBG("%s: REMOTE_NDIS_HALT_MSG\n",
+		pr_debug("%s: REMOTE_NDIS_HALT_MSG\n",
 			__func__ );
 		params->state = RNDIS_UNINITIALIZED;
 		if (params->dev) {
@@ -846,7 +841,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
 					(rndis_set_msg_type *) buf);
 
 	case REMOTE_NDIS_RESET_MSG:
-		DBG("%s: REMOTE_NDIS_RESET_MSG\n",
+		pr_debug("%s: REMOTE_NDIS_RESET_MSG\n",
 			__func__ );
 		return rndis_reset_response (configNr,
 					(rndis_reset_msg_type *) buf);
@@ -854,7 +849,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
 	case REMOTE_NDIS_KEEPALIVE_MSG:
 		/* For USB: host does this every 5 seconds */
 		if (rndis_debug > 1)
-			DBG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
+			pr_debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
 				__func__ );
 		return rndis_keepalive_response (configNr,
 						 (rndis_keepalive_msg_type *)
@@ -870,7 +865,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
 		{
 			unsigned i;
 			for (i = 0; i < MsgLength; i += 16) {
-				DBG("%03d: "
+				pr_debug("%03d: "
 					" %02x %02x %02x %02x"
 					" %02x %02x %02x %02x"
 					" %02x %02x %02x %02x"
@@ -905,18 +900,18 @@ int rndis_register(void (*resp_avail)(void *v), void *v)
 			rndis_per_dev_params [i].used = 1;
 			rndis_per_dev_params [i].resp_avail = resp_avail;
 			rndis_per_dev_params [i].v = v;
-			DBG("%s: configNr = %d\n", __func__, i);
+			pr_debug("%s: configNr = %d\n", __func__, i);
 			return i;
 		}
 	}
-	DBG("failed\n");
+	pr_debug("failed\n");
 
 	return -ENODEV;
 }
 
 void rndis_deregister (int configNr)
 {
-	DBG("%s: \n", __func__ );
+	pr_debug("%s: \n", __func__);
 
 	if (configNr >= RNDIS_MAX_CONFIGS) return;
 	rndis_per_dev_params [configNr].used = 0;
@@ -926,7 +921,7 @@ void rndis_deregister (int configNr)
 
 int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter)
 {
-	DBG("%s:\n", __func__ );
+	pr_debug("%s:\n", __func__);
 	if (!dev)
 		return -EINVAL;
 	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
@@ -939,7 +934,7 @@ int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter)
 
 int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr)
 {
-	DBG("%s:\n", __func__ );
+	pr_debug("%s:\n", __func__);
 	if (!vendorDescr) return -1;
 	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
 
@@ -951,7 +946,7 @@ int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr)
 
 int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed)
 {
-	DBG("%s: %u %u\n", __func__, medium, speed);
+	pr_debug("%s: %u %u\n", __func__, medium, speed);
 	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
 
 	rndis_per_dev_params [configNr].medium = medium;
@@ -1114,7 +1109,7 @@ static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
 			break;
 		default:
 			if (fl_speed) p->speed = speed;
-			else DBG("%c is not valid\n", c);
+			else pr_debug("%c is not valid\n", c);
 			break;
 		}
 
@@ -1159,12 +1154,12 @@ int __init rndis_init (void)
 					&rndis_proc_fops,
 					(void *)(rndis_per_dev_params + i))))
 		{
-			DBG("%s :remove entries", __func__);
+			pr_debug("%s :remove entries", __func__);
 			while (i) {
 				sprintf (name, NAME_TEMPLATE, --i);
 				remove_proc_entry (name, NULL);
 			}
-			DBG("\n");
+			pr_debug("\n");
 			return -EIO;
 		}
 #endif
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 29d13ebe750..48f51b12d2e 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1651,7 +1651,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 		return -EBUSY;
 
 	if (!driver->bind || !driver->setup
-			|| driver->speed != USB_SPEED_FULL) {
+			|| driver->speed < USB_SPEED_FULL) {
 		printk(KERN_ERR "Invalid driver: bind %p setup %p speed %d\n",
 			driver->bind, driver->setup, driver->speed);
 		return -EINVAL;
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index b3699afff00..37879af1c43 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -30,6 +30,25 @@
 
 /*-------------------------------------------------------------------------*/
 
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "f_acm.c"
+#include "f_obex.c"
+#include "f_serial.c"
+#include "u_serial.c"
+
+/*-------------------------------------------------------------------------*/
+
 /* Thanks to NetChip Technologies for donating this product ID.
 *
 * DO NOT REUSE THESE IDs with a protocol-incompatible driver!!  Ever!!
@@ -38,6 +57,7 @@
 #define GS_VENDOR_ID			0x0525	/* NetChip */
 #define GS_PRODUCT_ID			0xa4a6	/* Linux-USB Serial Gadget */
 #define GS_CDC_PRODUCT_ID		0xa4a7	/* ... as CDC-ACM */
+#define GS_CDC_OBEX_PRODUCT_ID		0xa4a9	/* ... as CDC-OBEX */
 
 /* string IDs are assigned dynamically */
 
@@ -107,6 +127,10 @@ static int use_acm = true;
 module_param(use_acm, bool, 0);
 MODULE_PARM_DESC(use_acm, "Use CDC ACM, default=yes");
 
+static int use_obex = false;
+module_param(use_obex, bool, 0);
+MODULE_PARM_DESC(use_obex, "Use CDC OBEX, default=no");
+
 static unsigned n_ports = 1;
 module_param(n_ports, uint, 0);
 MODULE_PARM_DESC(n_ports, "number of ports to create, default=1");
@@ -121,6 +145,8 @@ static int __init serial_bind_config(struct usb_configuration *c)
 	for (i = 0; i < n_ports && status == 0; i++) {
 		if (use_acm)
 			status = acm_bind_config(c, i);
+		else if (use_obex)
+			status = obex_bind_config(c, i);
 		else
 			status = gser_bind_config(c, i);
 	}
@@ -133,7 +159,6 @@ static struct usb_configuration serial_config_driver = {
 	/* .bConfigurationValue = f(use_acm) */
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 };
 
 static int __init gs_bind(struct usb_composite_dev *cdev)
@@ -231,6 +256,12 @@ static int __init init(void)
 		device_desc.bDeviceClass = USB_CLASS_COMM;
 		device_desc.idProduct =
 				__constant_cpu_to_le16(GS_CDC_PRODUCT_ID);
+	} else if (use_obex) {
+		serial_config_driver.label = "CDC OBEX config";
+		serial_config_driver.bConfigurationValue = 3;
+		device_desc.bDeviceClass = USB_CLASS_COMM;
+		device_desc.idProduct =
+			__constant_cpu_to_le16(GS_CDC_OBEX_PRODUCT_ID);
 	} else {
 		serial_config_driver.label = "Generic Serial config";
 		serial_config_driver.bConfigurationValue = 1;
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 3791e627190..66948b72bb9 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -52,7 +52,7 @@
  * this single "physical" link to be used by multiple virtual links.)
  */
 
-#define DRIVER_VERSION	"29-May-2008"
+#define UETH__VERSION	"29-May-2008"
 
 struct eth_dev {
 	/* lock is held while accessing port_usb
@@ -170,7 +170,7 @@ static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p)
 	struct eth_dev	*dev = netdev_priv(net);
 
 	strlcpy(p->driver, "g_ether", sizeof p->driver);
-	strlcpy(p->version, DRIVER_VERSION, sizeof p->version);
+	strlcpy(p->version, UETH__VERSION, sizeof p->version);
 	strlcpy(p->fw_version, dev->gadget->name, sizeof p->fw_version);
 	strlcpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof p->bus_info);
 }
@@ -873,6 +873,13 @@ struct net_device *gether_connect(struct gether *link)
 		spin_lock(&dev->lock);
 		dev->port_usb = link;
 		link->ioport = dev;
+		if (netif_running(dev->net)) {
+			if (link->open)
+				link->open(link);
+		} else {
+			if (link->close)
+				link->close(link);
+		}
 		spin_unlock(&dev->lock);
 
 		netif_carrier_on(dev->net);
diff --git a/drivers/usb/gadget/u_serial.h b/drivers/usb/gadget/u_serial.h
index af3910d01ae..300f0ed9475 100644
--- a/drivers/usb/gadget/u_serial.h
+++ b/drivers/usb/gadget/u_serial.h
@@ -62,5 +62,6 @@ void gserial_disconnect(struct gserial *);
 /* functions are bound to configurations by a config or gadget driver */
 int acm_bind_config(struct usb_configuration *c, u8 port_num);
 int gser_bind_config(struct usb_configuration *c, u8 port_num);
+int obex_bind_config(struct usb_configuration *c, u8 port_num);
 
 #endif /* __U_SERIAL_H */
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index aa0bd4f126a..361d9659ac4 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -59,6 +59,23 @@
 
 /*-------------------------------------------------------------------------*/
 
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "f_sourcesink.c"
+#include "f_loopback.c"
+
+/*-------------------------------------------------------------------------*/
+
 #define DRIVER_VERSION		"Cinco de Mayo 2008"
 
 static const char longname[] = "Gadget Zero";
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index b0f8ed5a7fb..0cb53ca8d34 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -358,7 +358,8 @@ struct debug_buffer {
 	struct usb_bus *bus;
 	struct mutex mutex;	/* protect filling of buffer */
 	size_t count;		/* number of characters filled into buffer */
-	char *page;
+	char *output_buf;
+	size_t alloc_size;
 };
 
 #define speed_char(info1) ({ char tmp; \
@@ -488,8 +489,8 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	*next = 0;
 
@@ -510,7 +511,7 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
 	}
 	spin_unlock_irqrestore (&ehci->lock, flags);
 
-	return strlen(buf->page);
+	return strlen(buf->output_buf);
 }
 
 #define DBG_SCHED_LIMIT 64
@@ -531,8 +532,8 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	temp = scnprintf (next, size, "size = %d\n", ehci->periodic_size);
 	size -= temp;
@@ -568,14 +569,16 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 				for (temp = 0; temp < seen_count; temp++) {
 					if (seen [temp].ptr != p.ptr)
 						continue;
-					if (p.qh->qh_next.ptr)
+					if (p.qh->qh_next.ptr) {
 						temp = scnprintf (next, size,
 							" ...");
-					p.ptr = NULL;
+						size -= temp;
+						next += temp;
+					}
 					break;
 				}
 				/* show more info the first time around */
-				if (temp == seen_count && p.ptr) {
+				if (temp == seen_count) {
 					u32	scratch = hc32_to_cpup(ehci,
 							&p.qh->hw_info1);
 					struct ehci_qtd	*qtd;
@@ -649,7 +652,7 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 	spin_unlock_irqrestore (&ehci->lock, flags);
 	kfree (seen);
 
-	return PAGE_SIZE - size;
+	return buf->alloc_size - size;
 }
 #undef DBG_SCHED_LIMIT
 
@@ -665,14 +668,14 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	spin_lock_irqsave (&ehci->lock, flags);
 
 	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
 		size = scnprintf (next, size,
-			"bus %s, device %s (driver " DRIVER_VERSION ")\n"
+			"bus %s, device %s\n"
 			"%s\n"
 			"SUSPENDED (no register access)\n",
 			hcd->self.controller->bus->name,
@@ -684,7 +687,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	/* Capability Registers */
 	i = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase));
 	temp = scnprintf (next, size,
-		"bus %s, device %s (driver " DRIVER_VERSION ")\n"
+		"bus %s, device %s\n"
 		"%s\n"
 		"EHCI %x.%02x, hcd state %d\n",
 		hcd->self.controller->bus->name,
@@ -808,7 +811,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 done:
 	spin_unlock_irqrestore (&ehci->lock, flags);
 
-	return PAGE_SIZE - size;
+	return buf->alloc_size - size;
 }
 
 static struct debug_buffer *alloc_buffer(struct usb_bus *bus,
@@ -822,6 +825,7 @@ static struct debug_buffer *alloc_buffer(struct usb_bus *bus,
 		buf->bus = bus;
 		buf->fill_func = fill_func;
 		mutex_init(&buf->mutex);
+		buf->alloc_size = PAGE_SIZE;
 	}
 
 	return buf;
@@ -831,10 +835,10 @@ static int fill_buffer(struct debug_buffer *buf)
 {
 	int ret = 0;
 
-	if (!buf->page)
-		buf->page = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!buf->output_buf)
+		buf->output_buf = (char *)vmalloc(buf->alloc_size);
 
-	if (!buf->page) {
+	if (!buf->output_buf) {
 		ret = -ENOMEM;
 		goto out;
 	}
@@ -867,7 +871,7 @@ static ssize_t debug_output(struct file *file, char __user *user_buf,
 	mutex_unlock(&buf->mutex);
 
 	ret = simple_read_from_buffer(user_buf, len, offset,
-				      buf->page, buf->count);
+				      buf->output_buf, buf->count);
 
 out:
 	return ret;
@@ -879,8 +883,8 @@ static int debug_close(struct inode *inode, struct file *file)
 	struct debug_buffer *buf = file->private_data;
 
 	if (buf) {
-		if (buf->page)
-			free_page((unsigned long)buf->page);
+		if (buf->output_buf)
+			vfree(buf->output_buf);
 		kfree(buf);
 	}
 
@@ -895,10 +899,14 @@ static int debug_async_open(struct inode *inode, struct file *file)
 
 static int debug_periodic_open(struct inode *inode, struct file *file)
 {
-	file->private_data = alloc_buffer(inode->i_private,
-					  fill_periodic_buffer);
+	struct debug_buffer *buf;
+	buf = alloc_buffer(inode->i_private, fill_periodic_buffer);
+	if (!buf)
+		return -ENOMEM;
 
-	return file->private_data ? 0 : -ENOMEM;
+	buf->alloc_size = (sizeof(void *) == 4 ? 6 : 8)*PAGE_SIZE;
+	file->private_data = buf;
+	return 0;
 }
 
 static int debug_registers_open(struct inode *inode, struct file *file)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8409e0705d6..d343afacb0b 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -24,6 +24,7 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/timer.h>
@@ -59,7 +60,6 @@
  * providing early devices for those host controllers to talk to!
  */
 
-#define DRIVER_VERSION "10 Dec 2004"
 #define DRIVER_AUTHOR "David Brownell"
 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
 
@@ -620,9 +620,9 @@ static int ehci_run (struct usb_hcd *hcd)
 
 	temp = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase));
 	ehci_info (ehci,
-		"USB %x.%x started, EHCI %x.%02x, driver %s%s\n",
+		"USB %x.%x started, EHCI %x.%02x%s\n",
 		((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
-		temp >> 8, temp & 0xff, DRIVER_VERSION,
+		temp >> 8, temp & 0xff,
 		ignore_oc ? ", overcurrent ignored" : "");
 
 	ehci_writel(ehci, INTR_MASK,
@@ -706,7 +706,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 		pcd_status = status;
 
 		/* resume root hub? */
-		if (!(ehci_readl(ehci, &ehci->regs->command) & CMD_RUN))
+		if (!(cmd & CMD_RUN))
 			usb_hcd_resume_root_hub(hcd);
 
 		while (i--) {
@@ -715,8 +715,11 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 			if (pstatus & PORT_OWNER)
 				continue;
-			if (!(pstatus & PORT_RESUME)
-					|| ehci->reset_done [i] != 0)
+			if (!(test_bit(i, &ehci->suspended_ports) &&
+					((pstatus & PORT_RESUME) ||
+						!(pstatus & PORT_SUSPEND)) &&
+					(pstatus & PORT_PE) &&
+					ehci->reset_done[i] == 0))
 				continue;
 
 			/* start 20 msec resume signaling from this port,
@@ -731,9 +734,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 	/* PCI errors [4.15.2.4] */
 	if (unlikely ((status & STS_FATAL) != 0)) {
-		dbg_cmd (ehci, "fatal", ehci_readl(ehci,
-						   &ehci->regs->command));
-		dbg_status (ehci, "fatal", status);
+		dbg_cmd(ehci, "fatal", cmd);
+		dbg_status(ehci, "fatal", status);
 		if (status & STS_HALT) {
 			ehci_err (ehci, "fatal error\n");
 dead:
@@ -994,9 +996,7 @@ static int ehci_get_frame (struct usb_hcd *hcd)
 
 /*-------------------------------------------------------------------------*/
 
-#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
-
-MODULE_DESCRIPTION (DRIVER_INFO);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_AUTHOR (DRIVER_AUTHOR);
 MODULE_LICENSE ("GPL");
 
@@ -1020,11 +1020,6 @@ MODULE_LICENSE ("GPL");
 #define	PS3_SYSTEM_BUS_DRIVER	ps3_ehci_driver
 #endif
 
-#if defined(CONFIG_440EPX) && !defined(CONFIG_PPC_MERGE)
-#include "ehci-ppc-soc.c"
-#define	PLATFORM_DRIVER		ehci_ppc_soc_driver
-#endif
-
 #ifdef CONFIG_USB_EHCI_HCD_PPC_OF
 #include "ehci-ppc-of.c"
 #define OF_PLATFORM_DRIVER	ehci_hcd_ppc_of_driver
@@ -1049,6 +1044,16 @@ static int __init ehci_hcd_init(void)
 {
 	int retval = 0;
 
+	if (usb_disabled())
+		return -ENODEV;
+
+	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
+	set_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
+	if (test_bit(USB_UHCI_LOADED, &usb_hcds_loaded) ||
+			test_bit(USB_OHCI_LOADED, &usb_hcds_loaded))
+		printk(KERN_WARNING "Warning! ehci_hcd should always be loaded"
+				" before uhci_hcd and ohci_hcd, not after\n");
+
 	pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
 		 hcd_name,
 		 sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
@@ -1056,8 +1061,10 @@ static int __init ehci_hcd_init(void)
 
 #ifdef DEBUG
 	ehci_debug_root = debugfs_create_dir("ehci", NULL);
-	if (!ehci_debug_root)
-		return -ENOENT;
+	if (!ehci_debug_root) {
+		retval = -ENOENT;
+		goto err_debug;
+	}
 #endif
 
 #ifdef PLATFORM_DRIVER
@@ -1105,6 +1112,8 @@ clean0:
 	debugfs_remove(ehci_debug_root);
 	ehci_debug_root = NULL;
 #endif
+err_debug:
+	clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 module_init(ehci_hcd_init);
@@ -1126,6 +1135,7 @@ static void __exit ehci_hcd_cleanup(void)
 #ifdef DEBUG
 	debugfs_remove(ehci_debug_root);
 #endif
+	clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(ehci_hcd_cleanup);
 
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 740835bb857..218f9660d7e 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -236,10 +236,8 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 		temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
 		temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
 		if (test_bit(i, &ehci->bus_suspended) &&
-				(temp & PORT_SUSPEND)) {
-			ehci->reset_done [i] = jiffies + msecs_to_jiffies (20);
+				(temp & PORT_SUSPEND))
 			temp |= PORT_RESUME;
-		}
 		ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 	}
 	i = HCS_N_PORTS (ehci->hcs_params);
@@ -482,10 +480,9 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf)
 		 * controller by the user.
 		 */
 
-		if ((temp & mask) != 0
-				|| ((temp & PORT_RESUME) != 0
-					&& time_after_eq(jiffies,
-						ehci->reset_done[i]))) {
+		if ((temp & mask) != 0 || test_bit(i, &ehci->port_c_suspend)
+				|| (ehci->reset_done[i] && time_after_eq(
+					jiffies, ehci->reset_done[i]))) {
 			if (i < 7)
 			    buf [0] |= 1 << (i + 1);
 			else
@@ -688,6 +685,7 @@ static int ehci_hub_control (
 			/* resume completed? */
 			else if (time_after_eq(jiffies,
 					ehci->reset_done[wIndex])) {
+				clear_bit(wIndex, &ehci->suspended_ports);
 				set_bit(wIndex, &ehci->port_c_suspend);
 				ehci->reset_done[wIndex] = 0;
 
@@ -734,6 +732,9 @@ static int ehci_hub_control (
 					ehci_readl(ehci, status_reg));
 		}
 
+		if (!(temp & (PORT_RESUME|PORT_RESET)))
+			ehci->reset_done[wIndex] = 0;
+
 		/* transfer dedicated ports to the companion hc */
 		if ((temp & PORT_CONNECT) &&
 				test_bit(wIndex, &ehci->companion_ports)) {
@@ -757,8 +758,17 @@ static int ehci_hub_control (
 		}
 		if (temp & PORT_PE)
 			status |= 1 << USB_PORT_FEAT_ENABLE;
-		if (temp & (PORT_SUSPEND|PORT_RESUME))
+
+		/* maybe the port was unsuspended without our knowledge */
+		if (temp & (PORT_SUSPEND|PORT_RESUME)) {
 			status |= 1 << USB_PORT_FEAT_SUSPEND;
+		} else if (test_bit(wIndex, &ehci->suspended_ports)) {
+			clear_bit(wIndex, &ehci->suspended_ports);
+			ehci->reset_done[wIndex] = 0;
+			if (temp & PORT_PE)
+				set_bit(wIndex, &ehci->port_c_suspend);
+		}
+
 		if (temp & PORT_OC)
 			status |= 1 << USB_PORT_FEAT_OVER_CURRENT;
 		if (temp & PORT_RESET)
@@ -803,6 +813,7 @@ static int ehci_hub_control (
 					|| (temp & PORT_RESET) != 0)
 				goto error;
 			ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
+			set_bit(wIndex, &ehci->suspended_ports);
 			break;
 		case USB_PORT_FEAT_POWER:
 			if (HCS_PPC (ehci->hcs_params))
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index f9575c40912..9c32063a0c2 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -1,7 +1,7 @@
 /*
  * IXP4XX EHCI Host Controller Driver
  *
- * Author: Vladimir Barinov <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov <vbarinov@embeddedalley.com>
  *
  * Based on "ehci-fsl.c" by Randy Vinson <rvinson@mvista.com>
  *
diff --git a/drivers/usb/host/ehci-ppc-soc.c b/drivers/usb/host/ehci-ppc-soc.c
deleted file mode 100644
index 529590eb403..00000000000
--- a/drivers/usb/host/ehci-ppc-soc.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * EHCI HCD (Host Controller Driver) for USB.
- *
- * (C) Copyright 2006-2007 Stefan Roese <sr@denx.de>, DENX Software Engineering
- *
- * Bus Glue for PPC On-Chip EHCI driver
- * Tested on AMCC 440EPx
- *
- * Based on "ehci-au1xxx.c" by K.Boge <karsten.boge@amd.com>
- *
- * This file is licenced under the GPL.
- */
-
-#include <linux/platform_device.h>
-
-extern int usb_disabled(void);
-
-/* called during probe() after chip reset completes */
-static int ehci_ppc_soc_setup(struct usb_hcd *hcd)
-{
-	struct ehci_hcd	*ehci = hcd_to_ehci(hcd);
-	int		retval;
-
-	retval = ehci_halt(ehci);
-	if (retval)
-		return retval;
-
-	retval = ehci_init(hcd);
-	if (retval)
-		return retval;
-
-	ehci->sbrn = 0x20;
-	return ehci_reset(ehci);
-}
-
-/**
- * usb_ehci_ppc_soc_probe - initialize PPC-SoC-based HCDs
- * Context: !in_interrupt()
- *
- * Allocates basic resources for this USB host controller, and
- * then invokes the start() method for the HCD associated with it
- * through the hotplug entry's driver_data.
- *
- */
-int usb_ehci_ppc_soc_probe(const struct hc_driver *driver,
-			   struct usb_hcd **hcd_out,
-			   struct platform_device *dev)
-{
-	int retval;
-	struct usb_hcd *hcd;
-	struct ehci_hcd *ehci;
-
-	if (dev->resource[1].flags != IORESOURCE_IRQ) {
-		pr_debug("resource[1] is not IORESOURCE_IRQ");
-		retval = -ENOMEM;
-	}
-	hcd = usb_create_hcd(driver, &dev->dev, "PPC-SOC EHCI");
-	if (!hcd)
-		return -ENOMEM;
-	hcd->rsrc_start = dev->resource[0].start;
-	hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
-
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		pr_debug("request_mem_region failed");
-		retval = -EBUSY;
-		goto err1;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		pr_debug("ioremap failed");
-		retval = -ENOMEM;
-		goto err2;
-	}
-
-	ehci = hcd_to_ehci(hcd);
-	ehci->big_endian_mmio = 1;
-	ehci->big_endian_desc = 1;
-	ehci->caps = hcd->regs;
-	ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
-
-	/* cache this readonly data; minimize chip reads */
-	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-
-#if defined(CONFIG_440EPX)
-	/*
-	 * 440EPx Errata USBH_3
-	 * Fix: Enable Break Memory Transfer (BMT) in INSNREG3
-	 */
-	out_be32((void *)((ulong)(&ehci->regs->command) + 0x8c), (1 << 0));
-	ehci_dbg(ehci, "Break Memory Transfer (BMT) has beed enabled!\n");
-#endif
-
-	retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
-	if (retval == 0)
-		return retval;
-
-	iounmap(hcd->regs);
-err2:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
-	usb_put_hcd(hcd);
-	return retval;
-}
-
-/* may be called without controller electrically present */
-/* may be called with controller, bus, and devices active */
-
-/**
- * usb_ehci_hcd_ppc_soc_remove - shutdown processing for PPC-SoC-based HCDs
- * @dev: USB Host Controller being removed
- * Context: !in_interrupt()
- *
- * Reverses the effect of usb_ehci_hcd_ppc_soc_probe(), first invoking
- * the HCD's stop() method.  It is always called from a thread
- * context, normally "rmmod", "apmd", or something similar.
- *
- */
-void usb_ehci_ppc_soc_remove(struct usb_hcd *hcd, struct platform_device *dev)
-{
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-}
-
-static const struct hc_driver ehci_ppc_soc_hc_driver = {
-	.description = hcd_name,
-	.product_desc = "PPC-SOC EHCI",
-	.hcd_priv_size = sizeof(struct ehci_hcd),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq = ehci_irq,
-	.flags = HCD_MEMORY | HCD_USB2,
-
-	/*
-	 * basic lifecycle operations
-	 */
-	.reset = ehci_ppc_soc_setup,
-	.start = ehci_run,
-	.stop = ehci_stop,
-	.shutdown = ehci_shutdown,
-
-	/*
-	 * managing i/o requests and associated device resources
-	 */
-	.urb_enqueue = ehci_urb_enqueue,
-	.urb_dequeue = ehci_urb_dequeue,
-	.endpoint_disable = ehci_endpoint_disable,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number = ehci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data = ehci_hub_status_data,
-	.hub_control = ehci_hub_control,
-	.bus_suspend = ehci_bus_suspend,
-	.bus_resume = ehci_bus_resume,
-	.relinquish_port = ehci_relinquish_port,
-	.port_handed_over = ehci_port_handed_over,
-};
-
-static int ehci_hcd_ppc_soc_drv_probe(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = NULL;
-	int ret;
-
-	pr_debug("In ehci_hcd_ppc_soc_drv_probe\n");
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	/* FIXME we only want one one probe() not two */
-	ret = usb_ehci_ppc_soc_probe(&ehci_ppc_soc_hc_driver, &hcd, pdev);
-	return ret;
-}
-
-static int ehci_hcd_ppc_soc_drv_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	/* FIXME we only want one one remove() not two */
-	usb_ehci_ppc_soc_remove(hcd, pdev);
-	return 0;
-}
-
-MODULE_ALIAS("platform:ppc-soc-ehci");
-static struct platform_driver ehci_ppc_soc_driver = {
-	.probe = ehci_hcd_ppc_soc_drv_probe,
-	.remove = ehci_hcd_ppc_soc_drv_remove,
-	.shutdown = usb_hcd_platform_shutdown,
-	.driver = {
-		.name = "ppc-soc-ehci",
-	}
-};
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 5799298364f..b11798d17ae 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -99,6 +99,8 @@ struct ehci_hcd {			/* one per controller */
 			owned by the companion during a bus suspend */
 	unsigned long		port_c_suspend;		/* which ports have
 			the change-suspend feature turned on */
+	unsigned long		suspended_ports;	/* which ports are
+			suspended */
 
 	/* per-HC memory pools (could be per-bus, but ...) */
 	struct dma_pool		*qh_pool;	/* qh per active urb */
@@ -181,14 +183,16 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 	 * the async ring; just the I/O watchdog.  Note that if a
 	 * SHRINK were pending, OFF would never be requested.
 	 */
-	if (timer_pending(&ehci->watchdog)
-			&& ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
-				& ehci->actions))
-		return;
+	enum ehci_timer_action oldactions = ehci->actions;
 
 	if (!test_and_set_bit (action, &ehci->actions)) {
 		unsigned long t;
 
+		if (timer_pending(&ehci->watchdog)
+			&& ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
+				& oldactions))
+			return;
+
 		switch (action) {
 		case TIMER_IO_WATCHDOG:
 			t = EHCI_IO_JIFFIES;
@@ -204,149 +208,13 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 			t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1;
 			break;
 		}
-		mod_timer(&ehci->watchdog, t + jiffies);
+		mod_timer(&ehci->watchdog, round_jiffies(t + jiffies));
 	}
 }
 
 /*-------------------------------------------------------------------------*/
 
-/* EHCI register interface, corresponds to EHCI Revision 0.95 specification */
-
-/* Section 2.2 Host Controller Capability Registers */
-struct ehci_caps {
-	/* these fields are specified as 8 and 16 bit registers,
-	 * but some hosts can't perform 8 or 16 bit PCI accesses.
-	 */
-	u32		hc_capbase;
-#define HC_LENGTH(p)		(((p)>>00)&0x00ff)	/* bits 7:0 */
-#define HC_VERSION(p)		(((p)>>16)&0xffff)	/* bits 31:16 */
-	u32		hcs_params;     /* HCSPARAMS - offset 0x4 */
-#define HCS_DEBUG_PORT(p)	(((p)>>20)&0xf)	/* bits 23:20, debug port? */
-#define HCS_INDICATOR(p)	((p)&(1 << 16))	/* true: has port indicators */
-#define HCS_N_CC(p)		(((p)>>12)&0xf)	/* bits 15:12, #companion HCs */
-#define HCS_N_PCC(p)		(((p)>>8)&0xf)	/* bits 11:8, ports per CC */
-#define HCS_PORTROUTED(p)	((p)&(1 << 7))	/* true: port routing */
-#define HCS_PPC(p)		((p)&(1 << 4))	/* true: port power control */
-#define HCS_N_PORTS(p)		(((p)>>0)&0xf)	/* bits 3:0, ports on HC */
-
-	u32		hcc_params;      /* HCCPARAMS - offset 0x8 */
-#define HCC_EXT_CAPS(p)		(((p)>>8)&0xff)	/* for pci extended caps */
-#define HCC_ISOC_CACHE(p)       ((p)&(1 << 7))  /* true: can cache isoc frame */
-#define HCC_ISOC_THRES(p)       (((p)>>4)&0x7)  /* bits 6:4, uframes cached */
-#define HCC_CANPARK(p)		((p)&(1 << 2))  /* true: can park on async qh */
-#define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1))  /* true: periodic_size changes*/
-#define HCC_64BIT_ADDR(p)       ((p)&(1))       /* true: can use 64-bit addr */
-	u8		portroute [8];	 /* nibbles for routing - offset 0xC */
-} __attribute__ ((packed));
-
-
-/* Section 2.3 Host Controller Operational Registers */
-struct ehci_regs {
-
-	/* USBCMD: offset 0x00 */
-	u32		command;
-/* 23:16 is r/w intr rate, in microframes; default "8" == 1/msec */
-#define CMD_PARK	(1<<11)		/* enable "park" on async qh */
-#define CMD_PARK_CNT(c)	(((c)>>8)&3)	/* how many transfers to park for */
-#define CMD_LRESET	(1<<7)		/* partial reset (no ports, etc) */
-#define CMD_IAAD	(1<<6)		/* "doorbell" interrupt async advance */
-#define CMD_ASE		(1<<5)		/* async schedule enable */
-#define CMD_PSE		(1<<4)		/* periodic schedule enable */
-/* 3:2 is periodic frame list size */
-#define CMD_RESET	(1<<1)		/* reset HC not bus */
-#define CMD_RUN		(1<<0)		/* start/stop HC */
-
-	/* USBSTS: offset 0x04 */
-	u32		status;
-#define STS_ASS		(1<<15)		/* Async Schedule Status */
-#define STS_PSS		(1<<14)		/* Periodic Schedule Status */
-#define STS_RECL	(1<<13)		/* Reclamation */
-#define STS_HALT	(1<<12)		/* Not running (any reason) */
-/* some bits reserved */
-	/* these STS_* flags are also intr_enable bits (USBINTR) */
-#define STS_IAA		(1<<5)		/* Interrupted on async advance */
-#define STS_FATAL	(1<<4)		/* such as some PCI access errors */
-#define STS_FLR		(1<<3)		/* frame list rolled over */
-#define STS_PCD		(1<<2)		/* port change detect */
-#define STS_ERR		(1<<1)		/* "error" completion (overflow, ...) */
-#define STS_INT		(1<<0)		/* "normal" completion (short, ...) */
-
-	/* USBINTR: offset 0x08 */
-	u32		intr_enable;
-
-	/* FRINDEX: offset 0x0C */
-	u32		frame_index;	/* current microframe number */
-	/* CTRLDSSEGMENT: offset 0x10 */
-	u32		segment;	/* address bits 63:32 if needed */
-	/* PERIODICLISTBASE: offset 0x14 */
-	u32		frame_list;	/* points to periodic list */
-	/* ASYNCLISTADDR: offset 0x18 */
-	u32		async_next;	/* address of next async queue head */
-
-	u32		reserved [9];
-
-	/* CONFIGFLAG: offset 0x40 */
-	u32		configured_flag;
-#define FLAG_CF		(1<<0)		/* true: we'll support "high speed" */
-
-	/* PORTSC: offset 0x44 */
-	u32		port_status [0];	/* up to N_PORTS */
-/* 31:23 reserved */
-#define PORT_WKOC_E	(1<<22)		/* wake on overcurrent (enable) */
-#define PORT_WKDISC_E	(1<<21)		/* wake on disconnect (enable) */
-#define PORT_WKCONN_E	(1<<20)		/* wake on connect (enable) */
-/* 19:16 for port testing */
-#define PORT_LED_OFF	(0<<14)
-#define PORT_LED_AMBER	(1<<14)
-#define PORT_LED_GREEN	(2<<14)
-#define PORT_LED_MASK	(3<<14)
-#define PORT_OWNER	(1<<13)		/* true: companion hc owns this port */
-#define PORT_POWER	(1<<12)		/* true: has power (see PPC) */
-#define PORT_USB11(x) (((x)&(3<<10))==(1<<10))	/* USB 1.1 device */
-/* 11:10 for detecting lowspeed devices (reset vs release ownership) */
-/* 9 reserved */
-#define PORT_RESET	(1<<8)		/* reset port */
-#define PORT_SUSPEND	(1<<7)		/* suspend port */
-#define PORT_RESUME	(1<<6)		/* resume it */
-#define PORT_OCC	(1<<5)		/* over current change */
-#define PORT_OC		(1<<4)		/* over current active */
-#define PORT_PEC	(1<<3)		/* port enable change */
-#define PORT_PE		(1<<2)		/* port enable */
-#define PORT_CSC	(1<<1)		/* connect status change */
-#define PORT_CONNECT	(1<<0)		/* device connected */
-#define PORT_RWC_BITS   (PORT_CSC | PORT_PEC | PORT_OCC)
-} __attribute__ ((packed));
-
-#define USBMODE		0x68		/* USB Device mode */
-#define USBMODE_SDIS	(1<<3)		/* Stream disable */
-#define USBMODE_BE	(1<<2)		/* BE/LE endianness select */
-#define USBMODE_CM_HC	(3<<0)		/* host controller mode */
-#define USBMODE_CM_IDLE	(0<<0)		/* idle state */
-
-/* Appendix C, Debug port ... intended for use with special "debug devices"
- * that can help if there's no serial console.  (nonstandard enumeration.)
- */
-struct ehci_dbg_port {
-	u32	control;
-#define DBGP_OWNER	(1<<30)
-#define DBGP_ENABLED	(1<<28)
-#define DBGP_DONE	(1<<16)
-#define DBGP_INUSE	(1<<10)
-#define DBGP_ERRCODE(x)	(((x)>>7)&0x07)
-#	define DBGP_ERR_BAD	1
-#	define DBGP_ERR_SIGNAL	2
-#define DBGP_ERROR	(1<<6)
-#define DBGP_GO		(1<<5)
-#define DBGP_OUT	(1<<4)
-#define DBGP_LEN(x)	(((x)>>0)&0x0f)
-	u32	pids;
-#define DBGP_PID_GET(x)		(((x)>>16)&0xff)
-#define DBGP_PID_SET(data,tok)	(((data)<<8)|(tok))
-	u32	data03;
-	u32	data47;
-	u32	address;
-#define DBGP_EPADDR(dev,ep)	(((dev)<<8)|(ep))
-} __attribute__ ((packed));
+#include <linux/usb/ehci_def.h>
 
 /*-------------------------------------------------------------------------*/
 
@@ -740,16 +608,7 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
 /*
  * Big-endian read/write functions are arch-specific.
  * Other arches can be added if/when they're needed.
- *
- * REVISIT: arch/powerpc now has readl/writel_be, so the
- * definition below can die once the 4xx support is
- * finally ported over.
  */
-#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
-#define readl_be(addr)		in_be32((__force unsigned *)addr)
-#define writel_be(val, addr)	out_be32((__force unsigned *)addr, val)
-#endif
-
 #if defined(CONFIG_ARM) && defined(CONFIG_ARCH_IXP4XX)
 #define readl_be(addr)		__raw_readl((__force unsigned *)addr)
 #define writel_be(val, addr)	__raw_writel(val, (__force unsigned *)addr)
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index ce1ca0ba051..4dda31b2689 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1562,11 +1562,12 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
 	struct isp116x *isp116x;
-	struct resource *addr, *data;
+	struct resource *addr, *data, *ires;
 	void __iomem *addr_reg;
 	void __iomem *data_reg;
 	int irq;
 	int ret = 0;
+	unsigned long irqflags;
 
 	if (pdev->num_resources < 3) {
 		ret = -ENODEV;
@@ -1575,12 +1576,16 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 
 	data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	addr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	irq = platform_get_irq(pdev, 0);
-	if (!addr || !data || irq < 0) {
+	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+
+	if (!addr || !data || !ires) {
 		ret = -ENODEV;
 		goto err1;
 	}
 
+	irq = ires->start;
+	irqflags = ires->flags & IRQF_TRIGGER_MASK;
+
 	if (pdev->dev.dma_mask) {
 		DBG("DMA not supported\n");
 		ret = -EINVAL;
@@ -1634,7 +1639,7 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 		goto err6;
 	}
 
-	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	ret = usb_add_hcd(hcd, irq, irqflags | IRQF_DISABLED);
 	if (ret)
 		goto err6;
 
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 051ef7b6bdc..af849f59613 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -218,7 +218,7 @@ static int __devinit isp1761_pci_probe(struct pci_dev *dev,
 	 * and reading back and checking the contents are same or not
 	 */
 	if (reg_data != 0xFACE) {
-		err("scratch register mismatch %x", reg_data);
+		dev_err(&dev->dev, "scratch register mismatch %x\n", reg_data);
 		goto clean;
 	}
 
@@ -232,9 +232,10 @@ static int __devinit isp1761_pci_probe(struct pci_dev *dev,
 	hcd = isp1760_register(pci_mem_phy0, length, dev->irq,
 		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
 		devflags);
-	pci_set_drvdata(dev, hcd);
-	if (!hcd)
+	if (!IS_ERR(hcd)) {
+		pci_set_drvdata(dev, hcd);
 		return 0;
+	}
 clean:
 	status = -ENODEV;
 	iounmap(iobase);
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index 7cef1d2f7cc..d3269656aa4 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -649,7 +649,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	ohci_dbg_sw (ohci, &next, &size,
 		"bus %s, device %s\n"
 		"%s\n"
-		"%s version " DRIVER_VERSION "\n",
+		"%s\n",
 		hcd->self.controller->bus->name,
 		dev_name(hcd->self.controller),
 		hcd->product_desc,
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 89901962cbf..8647dab0d7f 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -46,7 +46,6 @@
 
 #include "../core/hcd.h"
 
-#define DRIVER_VERSION "2006 August 04"
 #define DRIVER_AUTHOR "Roman Weissgaerber, David Brownell"
 #define DRIVER_DESC "USB 1.1 'Open' Host Controller (OHCI) Driver"
 
@@ -984,10 +983,8 @@ static int ohci_restart (struct ohci_hcd *ohci)
 
 /*-------------------------------------------------------------------------*/
 
-#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
-
 MODULE_AUTHOR (DRIVER_AUTHOR);
-MODULE_DESCRIPTION (DRIVER_INFO);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE ("GPL");
 
 #ifdef CONFIG_PCI
@@ -1095,9 +1092,10 @@ static int __init ohci_hcd_mod_init(void)
 	if (usb_disabled())
 		return -ENODEV;
 
-	printk (KERN_DEBUG "%s: " DRIVER_INFO "\n", hcd_name);
+	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
 	pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
 		sizeof (struct ed), sizeof (struct td));
+	set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 
 #ifdef DEBUG
 	ohci_debug_root = debugfs_create_dir("ohci", NULL);
@@ -1184,6 +1182,7 @@ static int __init ohci_hcd_mod_init(void)
  error_debug:
 #endif
 
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 module_init(ohci_hcd_mod_init);
@@ -1214,6 +1213,7 @@ static void __exit ohci_hcd_mod_exit(void)
 #ifdef DEBUG
 	debugfs_remove(ohci_debug_root);
 #endif
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(ohci_hcd_mod_exit);
 
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 7ea9a7b3115..32bbce9718f 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -359,21 +359,24 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd)
 
 /* Carry out polling-, autostop-, and autoresume-related state changes */
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
-		int any_connected)
+		int any_connected, int rhsc_status)
 {
 	int	poll_rh = 1;
-	int	rhsc;
+	int	rhsc_enable;
 
-	rhsc = ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC;
-	switch (ohci->hc_control & OHCI_CTRL_HCFS) {
+	/* Some broken controllers never turn off RHCS in the interrupt
+	 * status register.  For their sake we won't re-enable RHSC
+	 * interrupts if the interrupt bit is already active.
+	 */
+	rhsc_enable = ohci_readl(ohci, &ohci->regs->intrenable) &
+			OHCI_INTR_RHSC;
 
+	switch (ohci->hc_control & OHCI_CTRL_HCFS) {
 	case OHCI_USB_OPER:
-		/* If no status changes are pending, enable status-change
-		 * interrupts.
-		 */
-		if (!rhsc && !changed) {
-			rhsc = OHCI_INTR_RHSC;
-			ohci_writel(ohci, rhsc, &ohci->regs->intrenable);
+		/* If no status changes are pending, enable RHSC interrupts. */
+		if (!rhsc_enable && !rhsc_status && !changed) {
+			rhsc_enable = OHCI_INTR_RHSC;
+			ohci_writel(ohci, rhsc_enable, &ohci->regs->intrenable);
 		}
 
 		/* Keep on polling until we know a device is connected
@@ -383,7 +386,7 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 			if (any_connected ||
 					!device_may_wakeup(&ohci_to_hcd(ohci)
 						->self.root_hub->dev)) {
-				if (rhsc)
+				if (rhsc_enable)
 					poll_rh = 0;
 			} else {
 				ohci->autostop = 1;
@@ -396,34 +399,45 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 				ohci->autostop = 0;
 				ohci->next_statechange = jiffies +
 						STATECHANGE_DELAY;
-			} else if (rhsc && time_after_eq(jiffies,
+			} else if (time_after_eq(jiffies,
 						ohci->next_statechange)
 					&& !ohci->ed_rm_list
 					&& !(ohci->hc_control &
 						OHCI_SCHED_ENABLES)) {
 				ohci_rh_suspend(ohci, 1);
-				poll_rh = 0;
+				if (rhsc_enable)
+					poll_rh = 0;
 			}
 		}
 		break;
 
-	/* if there is a port change, autostart or ask to be resumed */
 	case OHCI_USB_SUSPEND:
 	case OHCI_USB_RESUME:
+		/* if there is a port change, autostart or ask to be resumed */
 		if (changed) {
 			if (ohci->autostop)
 				ohci_rh_resume(ohci);
 			else
 				usb_hcd_resume_root_hub(ohci_to_hcd(ohci));
-		} else {
-			if (!rhsc && (ohci->autostop ||
-					ohci_to_hcd(ohci)->self.root_hub->
-						do_remote_wakeup))
-				ohci_writel(ohci, OHCI_INTR_RHSC,
-						&ohci->regs->intrenable);
 
-			/* everything is idle, no need for polling */
+		/* If remote wakeup is disabled, stop polling */
+		} else if (!ohci->autostop &&
+				!ohci_to_hcd(ohci)->self.root_hub->
+					do_remote_wakeup) {
 			poll_rh = 0;
+
+		} else {
+			/* If no status changes are pending,
+			 * enable RHSC interrupts
+			 */
+			if (!rhsc_enable && !rhsc_status) {
+				rhsc_enable = OHCI_INTR_RHSC;
+				ohci_writel(ohci, rhsc_enable,
+						&ohci->regs->intrenable);
+			}
+			/* Keep polling until RHSC is enabled */
+			if (rhsc_enable)
+				poll_rh = 0;
 		}
 		break;
 	}
@@ -441,18 +455,22 @@ static inline int ohci_rh_resume(struct ohci_hcd *ohci)
  * autostop isn't used when CONFIG_PM is turned off.
  */
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
-		int any_connected)
+		int any_connected, int rhsc_status)
 {
 	/* If RHSC is enabled, don't poll */
 	if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
 		return 0;
 
-	/* If no status changes are pending, enable status-change interrupts */
-	if (!changed) {
-		ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
-		return 0;
-	}
-	return 1;
+	/* If status changes are pending, continue polling.
+	 * Conversely, if no status changes are pending but the RHSC
+	 * status bit was set, then RHSC may be broken so continue polling.
+	 */
+	if (changed || rhsc_status)
+		return 1;
+
+	/* It's safe to re-enable RHSC interrupts */
+	ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
+	return 0;
 }
 
 #endif	/* CONFIG_PM */
@@ -467,6 +485,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 	int		i, changed = 0, length = 1;
 	int		any_connected = 0;
+	int		rhsc_status;
 	unsigned long	flags;
 
 	spin_lock_irqsave (&ohci->lock, flags);
@@ -492,12 +511,10 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 		length++;
 	}
 
-	/* Some broken controllers never turn off RHCS in the interrupt
-	 * status register.  For their sake we won't re-enable RHSC
-	 * interrupts if the flag is already set.
-	 */
-	if (ohci_readl(ohci, &ohci->regs->intrstatus) & OHCI_INTR_RHSC)
-		changed = 1;
+	/* Clear the RHSC status flag before reading the port statuses */
+	ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrstatus);
+	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
+			OHCI_INTR_RHSC;
 
 	/* look at each port */
 	for (i = 0; i < ohci->num_ports; i++) {
@@ -517,7 +534,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 	}
 
 	hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed,
-			any_connected);
+			any_connected, rhsc_status);
 
 done:
 	spin_unlock_irqrestore (&ohci->lock, flags);
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 95b3ec89c12..91697bdb399 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -231,7 +231,7 @@ static int ohci_omap_init(struct usb_hcd *hcd)
 
 	omap_ohci_clock_power(1);
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		omap_1510_local_bus_power(1);
 		omap_1510_local_bus_init();
 	}
@@ -319,7 +319,7 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
 	if (IS_ERR(usb_host_ck))
 		return PTR_ERR(usb_host_ck);
 
-	if (!cpu_is_omap1510())
+	if (!cpu_is_omap15xx())
 		usb_dc_ck = clk_get(0, "usb_dc_ck");
 	else
 		usb_dc_ck = clk_get(0, "lb_ck");
@@ -344,7 +344,12 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
 		goto err1;
 	}
 
-	hcd->regs = (void __iomem *) (int) IO_ADDRESS(hcd->rsrc_start);
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (!hcd->regs) {
+		dev_err(&pdev->dev, "can't ioremap OHCI HCD\n");
+		retval = -ENOMEM;
+		goto err2;
+	}
 
 	ohci = hcd_to_ohci(hcd);
 	ohci_hcd_init(ohci);
@@ -355,11 +360,11 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		retval = -ENXIO;
-		goto err2;
+		goto err3;
 	}
 	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
 	if (retval)
-		goto err2;
+		goto err3;
 
 	host_initialized = 1;
 
@@ -367,6 +372,8 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
 		omap_ohci_clock_power(0);
 
 	return 0;
+err3:
+	iounmap(hcd->regs);
 err2:
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 err1:
@@ -401,6 +408,7 @@ usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
 	}
 	if (machine_is_omap_osk())
 		omap_free_gpio(9);
+	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
 	clk_put(usb_dc_ck);
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 658a2a978c3..e306ca6aef3 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -331,7 +331,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
 
 	int ret = 0, irq;
 
-	dev_dbg(&pdev->dev, "%s: " DRIVER_INFO " (pnx4008)\n", hcd_name);
+	dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (pnx4008)\n", hcd_name);
 	if (usb_disabled()) {
 		err("USB is disabled");
 		ret = -ENODEV;
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 7f0f35c7818..e294d430733 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -23,17 +23,90 @@
 #include <linux/signal.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
-
-#include <mach/hardware.h>
-#include <mach/pxa-regs.h>
-#include <mach/pxa2xx-regs.h> /* FIXME: for PSSR */
 #include <mach/ohci.h>
 
+/*
+ * UHC: USB Host Controller (OHCI-like) register definitions
+ */
+#define UHCREV		(0x0000) /* UHC HCI Spec Revision */
+#define UHCHCON		(0x0004) /* UHC Host Control Register */
+#define UHCCOMS		(0x0008) /* UHC Command Status Register */
+#define UHCINTS		(0x000C) /* UHC Interrupt Status Register */
+#define UHCINTE		(0x0010) /* UHC Interrupt Enable */
+#define UHCINTD		(0x0014) /* UHC Interrupt Disable */
+#define UHCHCCA		(0x0018) /* UHC Host Controller Comm. Area */
+#define UHCPCED		(0x001C) /* UHC Period Current Endpt Descr */
+#define UHCCHED		(0x0020) /* UHC Control Head Endpt Descr */
+#define UHCCCED		(0x0024) /* UHC Control Current Endpt Descr */
+#define UHCBHED		(0x0028) /* UHC Bulk Head Endpt Descr */
+#define UHCBCED		(0x002C) /* UHC Bulk Current Endpt Descr */
+#define UHCDHEAD	(0x0030) /* UHC Done Head */
+#define UHCFMI		(0x0034) /* UHC Frame Interval */
+#define UHCFMR		(0x0038) /* UHC Frame Remaining */
+#define UHCFMN		(0x003C) /* UHC Frame Number */
+#define UHCPERS		(0x0040) /* UHC Periodic Start */
+#define UHCLS		(0x0044) /* UHC Low Speed Threshold */
+
+#define UHCRHDA		(0x0048) /* UHC Root Hub Descriptor A */
+#define UHCRHDA_NOCP	(1 << 12)	/* No over current protection */
+#define UHCRHDA_OCPM	(1 << 11)	/* Over Current Protection Mode */
+#define UHCRHDA_POTPGT(x) \
+			(((x) & 0xff) << 24) /* Power On To Power Good Time */
+
+#define UHCRHDB		(0x004C) /* UHC Root Hub Descriptor B */
+#define UHCRHS		(0x0050) /* UHC Root Hub Status */
+#define UHCRHPS1	(0x0054) /* UHC Root Hub Port 1 Status */
+#define UHCRHPS2	(0x0058) /* UHC Root Hub Port 2 Status */
+#define UHCRHPS3	(0x005C) /* UHC Root Hub Port 3 Status */
+
+#define UHCSTAT		(0x0060) /* UHC Status Register */
+#define UHCSTAT_UPS3	(1 << 16)	/* USB Power Sense Port3 */
+#define UHCSTAT_SBMAI	(1 << 15)	/* System Bus Master Abort Interrupt*/
+#define UHCSTAT_SBTAI	(1 << 14)	/* System Bus Target Abort Interrupt*/
+#define UHCSTAT_UPRI	(1 << 13)	/* USB Port Resume Interrupt */
+#define UHCSTAT_UPS2	(1 << 12)	/* USB Power Sense Port 2 */
+#define UHCSTAT_UPS1	(1 << 11)	/* USB Power Sense Port 1 */
+#define UHCSTAT_HTA	(1 << 10)	/* HCI Target Abort */
+#define UHCSTAT_HBA	(1 << 8)	/* HCI Buffer Active */
+#define UHCSTAT_RWUE	(1 << 7)	/* HCI Remote Wake Up Event */
+
+#define UHCHR           (0x0064) /* UHC Reset Register */
+#define UHCHR_SSEP3	(1 << 11)	/* Sleep Standby Enable for Port3 */
+#define UHCHR_SSEP2	(1 << 10)	/* Sleep Standby Enable for Port2 */
+#define UHCHR_SSEP1	(1 << 9)	/* Sleep Standby Enable for Port1 */
+#define UHCHR_PCPL	(1 << 7)	/* Power control polarity low */
+#define UHCHR_PSPL	(1 << 6)	/* Power sense polarity low */
+#define UHCHR_SSE	(1 << 5)	/* Sleep Standby Enable */
+#define UHCHR_UIT	(1 << 4)	/* USB Interrupt Test */
+#define UHCHR_SSDC	(1 << 3)	/* Simulation Scale Down Clock */
+#define UHCHR_CGR	(1 << 2)	/* Clock Generation Reset */
+#define UHCHR_FHR	(1 << 1)	/* Force Host Controller Reset */
+#define UHCHR_FSBIR	(1 << 0)	/* Force System Bus Iface Reset */
+
+#define UHCHIE          (0x0068) /* UHC Interrupt Enable Register*/
+#define UHCHIE_UPS3IE	(1 << 14)	/* Power Sense Port3 IntEn */
+#define UHCHIE_UPRIE	(1 << 13)	/* Port Resume IntEn */
+#define UHCHIE_UPS2IE	(1 << 12)	/* Power Sense Port2 IntEn */
+#define UHCHIE_UPS1IE	(1 << 11)	/* Power Sense Port1 IntEn */
+#define UHCHIE_TAIE	(1 << 10)	/* HCI Interface Transfer Abort
+					   Interrupt Enable*/
+#define UHCHIE_HBAIE	(1 << 8)	/* HCI Buffer Active IntEn */
+#define UHCHIE_RWIE	(1 << 7)	/* Remote Wake-up IntEn */
+
+#define UHCHIT          (0x006C) /* UHC Interrupt Test register */
+
 #define PXA_UHC_MAX_PORTNUM    3
 
-#define UHCRHPS(x)              __REG2( 0x4C000050, (x)<<2 )
+struct pxa27x_ohci {
+	/* must be 1st member here for hcd_to_ohci() to work */
+	struct ohci_hcd ohci;
+
+	struct device	*dev;
+	struct clk	*clk;
+	void __iomem	*mmio_base;
+};
 
-static struct clk *usb_clk;
+#define to_pxa27x_ohci(hcd)	(struct pxa27x_ohci *)hcd_to_ohci(hcd)
 
 /*
   PMM_NPS_MODE -- PMM Non-power switching mode
@@ -45,30 +118,35 @@ static struct clk *usb_clk;
   PMM_PERPORT_MODE -- PMM per port switching mode
       Ports are powered individually.
  */
-static int pxa27x_ohci_select_pmm( int mode )
+static int pxa27x_ohci_select_pmm(struct pxa27x_ohci *ohci, int mode)
 {
-	switch ( mode ) {
+	uint32_t uhcrhda = __raw_readl(ohci->mmio_base + UHCRHDA);
+	uint32_t uhcrhdb = __raw_readl(ohci->mmio_base + UHCRHDB);
+
+	switch (mode) {
 	case PMM_NPS_MODE:
-		UHCRHDA |= RH_A_NPS;
+		uhcrhda |= RH_A_NPS;
 		break;
 	case PMM_GLOBAL_MODE:
-		UHCRHDA &= ~(RH_A_NPS & RH_A_PSM);
+		uhcrhda &= ~(RH_A_NPS & RH_A_PSM);
 		break;
 	case PMM_PERPORT_MODE:
-		UHCRHDA &= ~(RH_A_NPS);
-		UHCRHDA |= RH_A_PSM;
+		uhcrhda &= ~(RH_A_NPS);
+		uhcrhda |= RH_A_PSM;
 
 		/* Set port power control mask bits, only 3 ports. */
-		UHCRHDB |= (0x7<<17);
+		uhcrhdb |= (0x7<<17);
 		break;
 	default:
 		printk( KERN_ERR
 			"Invalid mode %d, set to non-power switch mode.\n",
 			mode );
 
-		UHCRHDA |= RH_A_NPS;
+		uhcrhda |= RH_A_NPS;
 	}
 
+	__raw_writel(uhcrhda, ohci->mmio_base + UHCRHDA);
+	__raw_writel(uhcrhdb, ohci->mmio_base + UHCRHDB);
 	return 0;
 }
 
@@ -76,57 +154,110 @@ extern int usb_disabled(void);
 
 /*-------------------------------------------------------------------------*/
 
-static int pxa27x_start_hc(struct device *dev)
+static inline void pxa27x_setup_hc(struct pxa27x_ohci *ohci,
+				   struct pxaohci_platform_data *inf)
+{
+	uint32_t uhchr = __raw_readl(ohci->mmio_base + UHCHR);
+	uint32_t uhcrhda = __raw_readl(ohci->mmio_base + UHCRHDA);
+
+	if (inf->flags & ENABLE_PORT1)
+		uhchr &= ~UHCHR_SSEP1;
+
+	if (inf->flags & ENABLE_PORT2)
+		uhchr &= ~UHCHR_SSEP2;
+
+	if (inf->flags & ENABLE_PORT3)
+		uhchr &= ~UHCHR_SSEP3;
+
+	if (inf->flags & POWER_CONTROL_LOW)
+		uhchr |= UHCHR_PCPL;
+
+	if (inf->flags & POWER_SENSE_LOW)
+		uhchr |= UHCHR_PSPL;
+
+	if (inf->flags & NO_OC_PROTECTION)
+		uhcrhda |= UHCRHDA_NOCP;
+
+	if (inf->flags & OC_MODE_PERPORT)
+		uhcrhda |= UHCRHDA_OCPM;
+
+	if (inf->power_on_delay) {
+		uhcrhda &= ~UHCRHDA_POTPGT(0xff);
+		uhcrhda |= UHCRHDA_POTPGT(inf->power_on_delay / 2);
+	}
+
+	__raw_writel(uhchr, ohci->mmio_base + UHCHR);
+	__raw_writel(uhcrhda, ohci->mmio_base + UHCRHDA);
+}
+
+static inline void pxa27x_reset_hc(struct pxa27x_ohci *ohci)
+{
+	uint32_t uhchr = __raw_readl(ohci->mmio_base + UHCHR);
+
+	__raw_writel(uhchr | UHCHR_FHR, ohci->mmio_base + UHCHR);
+	udelay(11);
+	__raw_writel(uhchr & ~UHCHR_FHR, ohci->mmio_base + UHCHR);
+}
+
+#ifdef CONFIG_CPU_PXA27x
+extern void pxa27x_clear_otgph(void);
+#else
+#define pxa27x_clear_otgph()	do {} while (0)
+#endif
+
+static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev)
 {
 	int retval = 0;
 	struct pxaohci_platform_data *inf;
+	uint32_t uhchr;
 
 	inf = dev->platform_data;
 
-	clk_enable(usb_clk);
+	clk_enable(ohci->clk);
 
-	UHCHR |= UHCHR_FHR;
-	udelay(11);
-	UHCHR &= ~UHCHR_FHR;
+	pxa27x_reset_hc(ohci);
+
+	uhchr = __raw_readl(ohci->mmio_base + UHCHR) | UHCHR_FSBIR;
+	__raw_writel(uhchr, ohci->mmio_base + UHCHR);
 
-	UHCHR |= UHCHR_FSBIR;
-	while (UHCHR & UHCHR_FSBIR)
+	while (__raw_readl(ohci->mmio_base + UHCHR) & UHCHR_FSBIR)
 		cpu_relax();
 
+	pxa27x_setup_hc(ohci, inf);
+
 	if (inf->init)
 		retval = inf->init(dev);
 
 	if (retval < 0)
 		return retval;
 
-	UHCHR &= ~UHCHR_SSE;
-
-	UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
+	uhchr = __raw_readl(ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
+	__raw_writel(uhchr, ohci->mmio_base + UHCHR);
+	__raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, ohci->mmio_base + UHCHIE);
 
 	/* Clear any OTG Pin Hold */
-	if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH))
-		PSSR |= PSSR_OTGPH;
-
+	pxa27x_clear_otgph();
 	return 0;
 }
 
-static void pxa27x_stop_hc(struct device *dev)
+static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev)
 {
 	struct pxaohci_platform_data *inf;
+	uint32_t uhccoms;
 
 	inf = dev->platform_data;
 
 	if (inf->exit)
 		inf->exit(dev);
 
-	UHCHR |= UHCHR_FHR;
-	udelay(11);
-	UHCHR &= ~UHCHR_FHR;
+	pxa27x_reset_hc(ohci);
 
-	UHCCOMS |= 1;
+	/* Host Controller Reset */
+	uhccoms = __raw_readl(ohci->mmio_base + UHCCOMS) | 0x01;
+	__raw_writel(uhccoms, ohci->mmio_base + UHCCOMS);
 	udelay(10);
 
-	clk_disable(usb_clk);
+	clk_disable(ohci->clk);
 }
 
 
@@ -147,18 +278,22 @@ static void pxa27x_stop_hc(struct device *dev)
  */
 int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device *pdev)
 {
-	int retval;
+	int retval, irq;
 	struct usb_hcd *hcd;
 	struct pxaohci_platform_data *inf;
+	struct pxa27x_ohci *ohci;
+	struct resource *r;
+	struct clk *usb_clk;
 
 	inf = pdev->dev.platform_data;
 
 	if (!inf)
 		return -ENODEV;
 
-	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
-		pr_debug ("resource[1] is not IORESOURCE_IRQ");
-		return -ENOMEM;
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		pr_err("no resource of IORESOURCE_IRQ");
+		return -ENXIO;
 	}
 
 	usb_clk = clk_get(&pdev->dev, "USBCLK");
@@ -168,8 +303,16 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
 	hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x");
 	if (!hcd)
 		return -ENOMEM;
-	hcd->rsrc_start = pdev->resource[0].start;
-	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r) {
+		pr_err("no resource of IORESOURCE_MEM");
+		retval = -ENXIO;
+		goto err1;
+	}
+
+	hcd->rsrc_start = r->start;
+	hcd->rsrc_len = resource_size(r);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
 		pr_debug("request_mem_region failed");
@@ -184,24 +327,30 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
 		goto err2;
 	}
 
-	if ((retval = pxa27x_start_hc(&pdev->dev)) < 0) {
+	/* initialize "struct pxa27x_ohci" */
+	ohci = (struct pxa27x_ohci *)hcd_to_ohci(hcd);
+	ohci->dev = &pdev->dev;
+	ohci->clk = usb_clk;
+	ohci->mmio_base = (void __iomem *)hcd->regs;
+
+	if ((retval = pxa27x_start_hc(ohci, &pdev->dev)) < 0) {
 		pr_debug("pxa27x_start_hc failed");
 		goto err3;
 	}
 
 	/* Select Power Management Mode */
-	pxa27x_ohci_select_pmm(inf->port_mode);
+	pxa27x_ohci_select_pmm(ohci, inf->port_mode);
 
 	if (inf->power_budget)
 		hcd->power_budget = inf->power_budget;
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
-	retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED);
+	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
 	if (retval == 0)
 		return retval;
 
-	pxa27x_stop_hc(&pdev->dev);
+	pxa27x_stop_hc(ohci, &pdev->dev);
  err3:
 	iounmap(hcd->regs);
  err2:
@@ -228,12 +377,14 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
  */
 void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev)
 {
+	struct pxa27x_ohci *ohci = to_pxa27x_ohci(hcd);
+
 	usb_remove_hcd(hcd);
-	pxa27x_stop_hc(&pdev->dev);
+	pxa27x_stop_hc(ohci, &pdev->dev);
 	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
-	clk_put(usb_clk);
+	clk_put(ohci->clk);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -266,7 +417,7 @@ ohci_pxa27x_start (struct usb_hcd *hcd)
 static const struct hc_driver ohci_pxa27x_hc_driver = {
 	.description =		hcd_name,
 	.product_desc =		"PXA27x OHCI",
-	.hcd_priv_size =	sizeof(struct ohci_hcd),
+	.hcd_priv_size =	sizeof(struct pxa27x_ohci),
 
 	/*
 	 * generic hardware linkage
@@ -330,13 +481,13 @@ static int ohci_hcd_pxa27x_drv_remove(struct platform_device *pdev)
 static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	struct pxa27x_ohci *ohci = to_pxa27x_ohci(hcd);
 
-	if (time_before(jiffies, ohci->next_statechange))
+	if (time_before(jiffies, ohci->ohci.next_statechange))
 		msleep(5);
-	ohci->next_statechange = jiffies;
+	ohci->ohci.next_statechange = jiffies;
 
-	pxa27x_stop_hc(&pdev->dev);
+	pxa27x_stop_hc(ohci, &pdev->dev);
 	hcd->state = HC_STATE_SUSPENDED;
 
 	return 0;
@@ -345,14 +496,14 @@ static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_
 static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	struct pxa27x_ohci *ohci = to_pxa27x_ohci(hcd);
 	int status;
 
-	if (time_before(jiffies, ohci->next_statechange))
+	if (time_before(jiffies, ohci->ohci.next_statechange))
 		msleep(5);
-	ohci->next_statechange = jiffies;
+	ohci->ohci.next_statechange = jiffies;
 
-	if ((status = pxa27x_start_hc(&pdev->dev)) < 0)
+	if ((status = pxa27x_start_hc(ohci, &pdev->dev)) < 0)
 		return status;
 
 	ohci_finish_controller_resume(hcd);
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index faf622eafce..222011f6172 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -540,15 +540,7 @@ static inline struct usb_hcd *ohci_to_hcd (const struct ohci_hcd *ohci)
  * Big-endian read/write functions are arch-specific.
  * Other arches can be added if/when they're needed.
  *
- * REVISIT: arch/powerpc now has readl/writel_be, so the
- * definition below can die once the STB04xxx support is
- * finally ported over.
  */
-#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
-#define readl_be(addr)		in_be32((__force unsigned *)addr)
-#define writel_be(val, addr)	out_be32((__force unsigned *)addr, val)
-#endif
-
 static inline unsigned int _ohci_readl (const struct ohci_hcd *ohci,
 					__hc32 __iomem * regs)
 {
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index ea7126f99ca..c18d8790c41 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -66,7 +66,7 @@ static unsigned short endian;
 module_param(endian, ushort, 0644);
 MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
 
-static unsigned short irq_sense = INTL;
+static unsigned short irq_sense = 0xff;
 module_param(irq_sense, ushort, 0644);
 MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=32, falling edge=0 "
 		"(default=32)");
@@ -118,7 +118,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		r8a66597_write(r8a66597, SCKE, SYSCFG0);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 1000) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & SCKE) != SCKE);
@@ -128,7 +128,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		r8a66597_write(r8a66597, USBE, SYSCFG0);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 1000) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & USBE) != USBE);
@@ -141,7 +141,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		msleep(1);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 500) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & SCKE) != SCKE);
@@ -265,7 +265,7 @@ static void get_port_number(char *devpath, u16 *root_port, u16 *hub_port)
 	if (root_port) {
 		*root_port = (devpath[0] & 0x0F) - 1;
 		if (*root_port >= R8A66597_MAX_ROOT_HUB)
-			err("illegal root port number");
+			printk(KERN_ERR "r8a66597: Illegal root port number.\n");
 	}
 	if (hub_port)
 		*hub_port = devpath[2] & 0x0F;
@@ -286,7 +286,7 @@ static u16 get_r8a66597_usb_speed(enum usb_device_speed speed)
 		usbspd = HSMODE;
 		break;
 	default:
-		err("unknown speed");
+		printk(KERN_ERR "r8a66597: unknown speed\n");
 		break;
 	}
 
@@ -385,7 +385,7 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 	struct r8a66597_device *dev;
 
 	if (is_hub_limit(urb->dev->devpath)) {
-		err("Externel hub limit reached.");
+		dev_err(&urb->dev->dev, "External hub limit reached.\n");
 		return 0;
 	}
 
@@ -406,8 +406,9 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 		return addr;
 	}
 
-	err("cannot communicate with a USB device more than 10.(%x)",
-	    r8a66597->address_map);
+	dev_err(&urb->dev->dev,
+		"cannot communicate with a USB device more than 10.(%x)\n",
+		r8a66597->address_map);
 
 	return 0;
 }
@@ -447,7 +448,8 @@ static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
 	do {
 		tmp = r8a66597_read(r8a66597, reg);
 		if (i++ > 1000000) {
-			err("register%lx, loop %x is timeout", reg, loop);
+			printk(KERN_ERR "r8a66597: register%lx, loop %x "
+			       "is timeout\n", reg, loop);
 			break;
 		}
 		ndelay(1);
@@ -675,7 +677,7 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
 			array[i++] = 1;
 		break;
 	default:
-		err("Illegal type");
+		printk(KERN_ERR "r8a66597: Illegal type\n");
 		return 0;
 	}
 
@@ -705,7 +707,7 @@ static u16 get_r8a66597_type(__u8 type)
 		r8a66597_type = R8A66597_ISO;
 		break;
 	default:
-		err("Illegal type");
+		printk(KERN_ERR "r8a66597: Illegal type\n");
 		r8a66597_type = 0x0000;
 		break;
 	}
@@ -724,7 +726,7 @@ static u16 get_bufnum(u16 pipenum)
 	else if (check_interrupt(pipenum))
 		bufnum = 4 + (pipenum - 6);
 	else
-		err("Illegal pipenum (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
 
 	return bufnum;
 }
@@ -740,7 +742,7 @@ static u16 get_buf_bsize(u16 pipenum)
 	else if (check_interrupt(pipenum))
 		buf_bsize = 0;
 	else
-		err("Illegal pipenum (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
 
 	return buf_bsize;
 }
@@ -760,10 +762,12 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
 			if ((r8a66597->dma_map & (1 << i)) != 0)
 				continue;
 
-			info("address %d, EndpointAddress 0x%02x use DMA FIFO",
-			     usb_pipedevice(urb->pipe),
-			     info->dir_in ? USB_ENDPOINT_DIR_MASK + info->epnum
-					    : info->epnum);
+			dev_info(&dev->udev->dev,
+				 "address %d, EndpointAddress 0x%02x use "
+				 "DMA FIFO\n", usb_pipedevice(urb->pipe),
+				 info->dir_in ?
+				 	USB_ENDPOINT_DIR_MASK + info->epnum
+					: info->epnum);
 
 			r8a66597->dma_map |= 1 << i;
 			dev->dma_map |= 1 << i;
@@ -1187,7 +1191,7 @@ static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
 		prepare_status_packet(r8a66597, td);
 		break;
 	default:
-		err("invalid type.");
+		printk(KERN_ERR "r8a66597: invalid type.\n");
 		break;
 	}
 
@@ -1295,7 +1299,7 @@ static void packet_read(struct r8a66597 *r8a66597, u16 pipenum)
 	if (unlikely((tmp & FRDY) == 0)) {
 		pipe_stop(r8a66597, td->pipe);
 		pipe_irq_disable(r8a66597, pipenum);
-		err("in fifo not ready (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum);
 		finish_request(r8a66597, td, pipenum, td->urb, -EPIPE);
 		return;
 	}
@@ -1370,7 +1374,7 @@ static void packet_write(struct r8a66597 *r8a66597, u16 pipenum)
 	if (unlikely((tmp & FRDY) == 0)) {
 		pipe_stop(r8a66597, td->pipe);
 		pipe_irq_disable(r8a66597, pipenum);
-		err("out write fifo not ready. (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum);
 		finish_request(r8a66597, td, pipenum, urb, -EPIPE);
 		return;
 	}
@@ -2005,7 +2009,7 @@ static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597,
 		return dev;
 	}
 
-	err("get_r8a66597_device fail.(%d)\n", addr);
+	printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr);
 	return NULL;
 }
 
@@ -2263,7 +2267,7 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
 #define resource_len(r) (((r)->end - (r)->start) + 1)
 static int __init r8a66597_probe(struct platform_device *pdev)
 {
-	struct resource *res = NULL;
+	struct resource *res = NULL, *ires;
 	int irq = -1;
 	void __iomem *reg = NULL;
 	struct usb_hcd *hcd = NULL;
@@ -2274,7 +2278,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 
 	if (pdev->dev.dma_mask) {
 		ret = -EINVAL;
-		err("dma not support");
+		dev_err(&pdev->dev, "dma not supported\n");
 		goto clean_up;
 	}
 
@@ -2282,21 +2286,25 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 					   (char *)hcd_name);
 	if (!res) {
 		ret = -ENODEV;
-		err("platform_get_resource_byname error.");
+		dev_err(&pdev->dev, "platform_get_resource_byname error.\n");
 		goto clean_up;
 	}
 
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
+	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!ires) {
 		ret = -ENODEV;
-		err("platform_get_irq error.");
+		dev_err(&pdev->dev,
+			"platform_get_resource IORESOURCE_IRQ error.\n");
 		goto clean_up;
 	}
 
+	irq = ires->start;
+	irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
 	reg = ioremap(res->start, resource_len(res));
 	if (reg == NULL) {
 		ret = -ENOMEM;
-		err("ioremap error.");
+		dev_err(&pdev->dev, "ioremap error.\n");
 		goto clean_up;
 	}
 
@@ -2304,7 +2312,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name);
 	if (!hcd) {
 		ret = -ENOMEM;
-		err("Failed to create hcd");
+		dev_err(&pdev->dev, "Failed to create hcd\n");
 		goto clean_up;
 	}
 	r8a66597 = hcd_to_r8a66597(hcd);
@@ -2329,13 +2337,33 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&r8a66597->child_device);
 
 	hcd->rsrc_start = res->start;
-	if (irq_sense == INTL)
-		irq_trigger = IRQF_TRIGGER_LOW;
-	else
-		irq_trigger = IRQF_TRIGGER_FALLING;
+
+	/* irq_sense setting on cmdline takes precedence over resource
+	 * settings, so the introduction of irqflags in IRQ resourse
+	 * won't disturb existing setups */
+	switch (irq_sense) {
+		case INTL:
+			irq_trigger = IRQF_TRIGGER_LOW;
+			break;
+		case 0:
+			irq_trigger = IRQF_TRIGGER_FALLING;
+			break;
+		case 0xff:
+			if (irq_trigger)
+				irq_sense = (irq_trigger & IRQF_TRIGGER_LOW) ?
+					    INTL : 0;
+			else {
+				irq_sense = INTL;
+				irq_trigger = IRQF_TRIGGER_LOW;
+			}
+			break;
+		default:
+			dev_err(&pdev->dev, "Unknown irq_sense value.\n");
+	}
+
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
 	if (ret != 0) {
-		err("Failed to add hcd");
+		dev_err(&pdev->dev, "Failed to add hcd\n");
 		goto clean_up;
 	}
 
@@ -2364,7 +2392,8 @@ static int __init r8a66597_init(void)
 	if (usb_disabled())
 		return -ENODEV;
 
-	info("driver %s, %s", hcd_name, DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name,
+	       DRIVER_VERSION);
 	return platform_driver_register(&r8a66597_driver);
 }
 module_init(r8a66597_init);
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 8a74bbb57d0..e106e9d48d4 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1620,22 +1620,26 @@ sl811h_probe(struct platform_device *dev)
 {
 	struct usb_hcd		*hcd;
 	struct sl811		*sl811;
-	struct resource		*addr, *data;
+	struct resource		*addr, *data, *ires;
 	int			irq;
 	void __iomem		*addr_reg;
 	void __iomem		*data_reg;
 	int			retval;
 	u8			tmp, ioaddr = 0;
+	unsigned long		irqflags;
 
 	/* basic sanity checks first.  board-specific init logic should
 	 * have initialized these three resources and probably board
 	 * specific platform_data.  we don't probe for IRQs, and do only
 	 * minimal sanity checking.
 	 */
-	irq = platform_get_irq(dev, 0);
-	if (dev->num_resources < 3 || irq < 0)
+	ires = platform_get_resource(dev, IORESOURCE_IRQ, 0);
+	if (dev->num_resources < 3 || !ires)
 		return -ENODEV;
 
+	irq = ires->start;
+	irqflags = ires->flags & IRQF_TRIGGER_MASK;
+
 	/* refuse to confuse usbcore */
 	if (dev->dev.dma_mask) {
 		DBG("no we won't dma\n");
@@ -1717,8 +1721,11 @@ sl811h_probe(struct platform_device *dev)
 	 * triggers (e.g. most ARM CPUs).  Initial driver stress testing
 	 * was on a system with single edge triggering, so most sorts of
 	 * triggering arrangement should work.
+	 *
+	 * Use resource IRQ flags if set by platform device setup.
 	 */
-	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+	irqflags |= IRQF_SHARED;
+	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | irqflags);
 	if (retval != 0)
 		goto err6;
 
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index 5da63f53500..516848dd9b4 100644
--- a/drivers/usb/host/sl811_cs.c
+++ b/drivers/usb/host/sl811_cs.c
@@ -112,7 +112,8 @@ static struct platform_device platform_dev = {
 	.num_resources		= ARRAY_SIZE(resources),
 };
 
-static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq)
+static int sl811_hc_init(struct device *parent, resource_size_t base_addr,
+			 int irq)
 {
 	if (platform_dev.dev.parent)
 		return -EBUSY;
@@ -155,97 +156,72 @@ static void sl811_cs_release(struct pcmcia_device * link)
 	platform_device_unregister(&platform_dev);
 }
 
+static int sl811_cs_config_check(struct pcmcia_device *p_dev,
+				 cistpl_cftable_entry_t *cfg,
+				 cistpl_cftable_entry_t *dflt,
+				 unsigned int vcc,
+				 void *priv_data)
+{
+	if (cfg->index == 0)
+		return -ENODEV;
+
+	/* Use power settings for Vcc and Vpp if present */
+	/*  Note that the CIS values need to be rescaled */
+	if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+		if (cfg->vcc.param[CISTPL_POWER_VNOM]/10000 != vcc)
+			return -ENODEV;
+	} else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+		if (dflt->vcc.param[CISTPL_POWER_VNOM]/10000 != vcc)
+			return -ENODEV;
+		}
+
+	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
+		p_dev->conf.Vpp =
+			cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+		p_dev->conf.Vpp =
+			dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
+
+	/* we need an interrupt */
+	if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+		p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
+	/* IO window settings */
+	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+	if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+		cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
+
+		p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+		p_dev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+		p_dev->io.BasePort1 = io->win[0].base;
+		p_dev->io.NumPorts1 = io->win[0].len;
+
+		return pcmcia_request_io(p_dev, &p_dev->io);
+	}
+	pcmcia_disable_device(p_dev);
+	return -ENODEV;
+}
+
+
 static int sl811_cs_config(struct pcmcia_device *link)
 {
 	struct device		*parent = &handle_to_dev(link);
 	local_info_t		*dev = link->priv;
-	tuple_t			tuple;
-	cisparse_t		parse;
 	int			last_fn, last_ret;
-	u_char			buf[64];
-	config_info_t		conf;
-	cistpl_cftable_entry_t	dflt = { 0 };
 
 	DBG(0, "sl811_cs_config(0x%p)\n", link);
 
-	/* Look up the current Vcc */
-	CS_CHECK(GetConfigurationInfo,
-			pcmcia_get_configuration_info(link, &conf));
-
-	tuple.Attributes = 0;
-	tuple.TupleData = buf;
-	tuple.TupleDataMax = sizeof(buf);
-	tuple.TupleOffset = 0;
-	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
-	while (1) {
-		cistpl_cftable_entry_t	*cfg = &(parse.cftable_entry);
-
-		if (pcmcia_get_tuple_data(link, &tuple) != 0
-				|| pcmcia_parse_tuple(link, &tuple, &parse)
-						!= 0)
-			goto next_entry;
-
-		if (cfg->flags & CISTPL_CFTABLE_DEFAULT) {
-			dflt = *cfg;
-		}
-
-		if (cfg->index == 0)
-			goto next_entry;
-
-		link->conf.ConfigIndex = cfg->index;
-
-		/* Use power settings for Vcc and Vpp if present */
-		/*  Note that the CIS values need to be rescaled */
-		if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
-			if (cfg->vcc.param[CISTPL_POWER_VNOM]/10000
-					!= conf.Vcc)
-				goto next_entry;
-		} else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
-			if (dflt.vcc.param[CISTPL_POWER_VNOM]/10000
-					!= conf.Vcc)
-				goto next_entry;
-		}
-
-		if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
-			link->conf.Vpp =
-				cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
-		else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
-			link->conf.Vpp =
-				dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
-
-		/* we need an interrupt */
-		if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
-			link->conf.Attributes |= CONF_ENABLE_IRQ;
-
-		/* IO window settings */
-		link->io.NumPorts1 = link->io.NumPorts2 = 0;
-		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
-			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
-
-			link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-			link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
-			link->io.BasePort1 = io->win[0].base;
-			link->io.NumPorts1 = io->win[0].len;
-
-			if (pcmcia_request_io(link, &link->io) != 0)
-				goto next_entry;
-		}
-		break;
-
-next_entry:
-		pcmcia_disable_device(link);
-		last_ret = pcmcia_get_next_tuple(link, &tuple);
-	}
+	if (pcmcia_loop_config(link, sl811_cs_config_check, NULL))
+		goto failed;
 
 	/* require an IRQ and two registers */
 	if (!link->io.NumPorts1 || link->io.NumPorts1 < 2)
-		goto cs_failed;
+		goto failed;
 	if (link->conf.Attributes & CONF_ENABLE_IRQ)
 		CS_CHECK(RequestIRQ,
 			pcmcia_request_irq(link, &link->irq));
 	else
-		goto cs_failed;
+		goto failed;
 
 	CS_CHECK(RequestConfiguration,
 		pcmcia_request_configuration(link, &link->conf));
@@ -266,8 +242,9 @@ next_entry:
 	if (sl811_hc_init(parent, link->io.BasePort1, link->irq.AssignedIRQ)
 			< 0) {
 cs_failed:
-		printk("sl811_cs_config failed\n");
 		cs_error(link, last_fn, last_ret);
+failed:
+		printk(KERN_WARNING "sl811_cs_config failed\n");
 		sl811_cs_release(link);
 		return  -ENODEV;
 	}
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 3a7bfe7a887..cf5e4cf7ea4 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -53,7 +53,6 @@
 /*
  * Version Information
  */
-#define DRIVER_VERSION "v3.0"
 #define DRIVER_AUTHOR "Linus 'Frodo Rabbit' Torvalds, Johannes Erdfelt, \
 Randy Dunlap, Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber, \
 Alan Stern"
@@ -951,12 +950,13 @@ static int __init uhci_hcd_init(void)
 {
 	int retval = -ENOMEM;
 
-	printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION "%s\n",
-			ignore_oc ? ", overcurrent ignored" : "");
-
 	if (usb_disabled())
 		return -ENODEV;
 
+	printk(KERN_INFO "uhci_hcd: " DRIVER_DESC "%s\n",
+			ignore_oc ? ", overcurrent ignored" : "");
+	set_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
+
 	if (DEBUG_CONFIGURED) {
 		errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL);
 		if (!errbuf)
@@ -988,6 +988,7 @@ debug_failed:
 
 errbuf_failed:
 
+	clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 
@@ -997,6 +998,7 @@ static void __exit uhci_hcd_cleanup(void)
 	kmem_cache_destroy(uhci_up_cachep);
 	debugfs_remove(uhci_debugfs_root);
 	kfree(errbuf);
+	clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
 }
 
 module_init(uhci_hcd_init);
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index db645936eed..5631d89c873 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -123,14 +123,10 @@ static struct uhci_td *uhci_alloc_td(struct uhci_hcd *uhci)
 
 static void uhci_free_td(struct uhci_hcd *uhci, struct uhci_td *td)
 {
-	if (!list_empty(&td->list)) {
-		dev_warn(uhci_dev(uhci), "td %p still in list!\n", td);
-		WARN_ON(1);
-	}
-	if (!list_empty(&td->fl_list)) {
-		dev_warn(uhci_dev(uhci), "td %p still in fl_list!\n", td);
-		WARN_ON(1);
-	}
+	if (!list_empty(&td->list))
+		dev_WARN(uhci_dev(uhci), "td %p still in list!\n", td);
+	if (!list_empty(&td->fl_list))
+		dev_WARN(uhci_dev(uhci), "td %p still in fl_list!\n", td);
 
 	dma_pool_free(uhci->td_pool, td, td->dma_handle);
 }
@@ -295,10 +291,8 @@ static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci,
 static void uhci_free_qh(struct uhci_hcd *uhci, struct uhci_qh *qh)
 {
 	WARN_ON(qh->state != QH_STATE_IDLE && qh->udev);
-	if (!list_empty(&qh->queue)) {
-		dev_warn(uhci_dev(uhci), "qh %p list not empty!\n", qh);
-		WARN_ON(1);
-	}
+	if (!list_empty(&qh->queue))
+		dev_WARN(uhci_dev(uhci), "qh %p list not empty!\n", qh);
 
 	list_del(&qh->node);
 	if (qh->udev) {
@@ -746,11 +740,9 @@ static void uhci_free_urb_priv(struct uhci_hcd *uhci,
 {
 	struct uhci_td *td, *tmp;
 
-	if (!list_empty(&urbp->node)) {
-		dev_warn(uhci_dev(uhci), "urb %p still on QH's list!\n",
+	if (!list_empty(&urbp->node))
+		dev_WARN(uhci_dev(uhci), "urb %p still on QH's list!\n",
 				urbp->urb);
-		WARN_ON(1);
-	}
 
 	list_for_each_entry_safe(td, tmp, &urbp->td_list, list) {
 		uhci_remove_td_from_urbp(td);
@@ -1073,13 +1065,18 @@ static int uhci_submit_interrupt(struct uhci_hcd *uhci, struct urb *urb,
 		}
 		if (exponent < 0)
 			return -EINVAL;
-		qh->period = 1 << exponent;
-		qh->skel = SKEL_INDEX(exponent);
 
-		/* For now, interrupt phase is fixed by the layout
-		 * of the QH lists. */
-		qh->phase = (qh->period / 2) & (MAX_PHASE - 1);
-		ret = uhci_check_bandwidth(uhci, qh);
+		/* If the slot is full, try a lower period */
+		do {
+			qh->period = 1 << exponent;
+			qh->skel = SKEL_INDEX(exponent);
+
+			/* For now, interrupt phase is fixed by the layout
+			 * of the QH lists.
+			 */
+			qh->phase = (qh->period / 2) & (MAX_PHASE - 1);
+			ret = uhci_check_bandwidth(uhci, qh);
+		} while (ret != 0 && --exponent >= 0);
 		if (ret)
 			return ret;
 	} else if (qh->period > urb->interval)
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 0fb114ca1eb..878c77ca086 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -355,13 +355,14 @@ static int mdc800_usb_waitForIRQ (int mode, int msec)
 	if (mdc800->camera_request_ready>0)
 	{
 		mdc800->camera_request_ready=0;
-		err ("timeout waiting for camera.");
+		dev_err(&mdc800->dev->dev, "timeout waiting for camera.\n");
 		return -1;
 	}
 	
 	if (mdc800->state == NOT_CONNECTED)
 	{
-		warn ("Camera gets disconnected during waiting for irq.");
+		printk(KERN_WARNING "mdc800: Camera gets disconnected "
+		       "during waiting for irq.\n");
 		mdc800->camera_request_ready=0;
 		return -2;
 	}
@@ -379,7 +380,8 @@ static void mdc800_usb_write_notify (struct urb *urb)
 	int status = urb->status;
 
 	if (status != 0)
-		err ("writing command fails (status=%i)", status);
+		dev_err(&mdc800->dev->dev,
+			"writing command fails (status=%i)\n", status);
 	else
 		mdc800->state=READY;
 	mdc800->written = 1;
@@ -406,7 +408,8 @@ static void mdc800_usb_download_notify (struct urb *urb)
 			mdc800->state=READY;
 		}
 	} else {
-		err ("request bytes fails (status:%i)", status);
+		dev_err(&mdc800->dev->dev,
+			"request bytes fails (status:%i)\n", status);
 	}
 	mdc800->downloaded = 1;
 	wake_up (&mdc800->download_wait);
@@ -443,13 +446,14 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 
 	if (mdc800->dev != NULL)
 	{
-		warn ("only one Mustek MDC800 is supported.");
+		dev_warn(&intf->dev, "only one Mustek MDC800 is supported.\n");
 		return -ENODEV;
 	}
 
 	if (dev->descriptor.bNumConfigurations != 1)
 	{
-		err ("probe fails -> wrong Number of Configuration");
+		dev_err(&intf->dev,
+			"probe fails -> wrong Number of Configuration\n");
 		return -ENODEV;
 	}
 	intf_desc = intf->cur_altsetting;
@@ -461,7 +465,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 		|| ( intf_desc->desc.bNumEndpoints != 4)
 	)
 	{
-		err ("probe fails -> wrong Interface");
+		dev_err(&intf->dev, "probe fails -> wrong Interface\n");
 		return -ENODEV;
 	}
 
@@ -482,19 +486,19 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 		}
 		if (mdc800->endpoint[i] == -1)
 		{
-			err ("probe fails -> Wrong Endpoints.");
+			dev_err(&intf->dev, "probe fails -> Wrong Endpoints.\n");
 			return -ENODEV;
 		}
 	}
 
 
-	info ("Found Mustek MDC800 on USB.");
+	dev_info(&intf->dev, "Found Mustek MDC800 on USB.\n");
 
 	mutex_lock(&mdc800->io_lock);
 
 	retval = usb_register_dev(intf, &mdc800_class);
 	if (retval) {
-		err ("Not able to get a minor for this device.");
+		dev_err(&intf->dev, "Not able to get a minor for this device.\n");
 		return -ENODEV;
 	}
 
@@ -570,7 +574,7 @@ static void mdc800_usb_disconnect (struct usb_interface *intf)
 		mdc800->dev = NULL;
 		usb_set_intfdata(intf, NULL);
 	}
-	info ("Mustek MDC800 disconnected from USB.");
+	dev_info(&intf->dev, "Mustek MDC800 disconnected from USB.\n");
 }
 
 
@@ -644,7 +648,8 @@ static int mdc800_device_open (struct inode* inode, struct file *file)
 	mdc800->irq_urb->dev = mdc800->dev;
 	retval = usb_submit_urb (mdc800->irq_urb, GFP_KERNEL);
 	if (retval) {
-		err ("request USB irq fails (submit_retval=%i).", retval);
+		dev_err(&mdc800->dev->dev,
+			"request USB irq fails (submit_retval=%i).\n", retval);
 		errn = -EIO;
 		goto error_out;
 	}
@@ -701,7 +706,8 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 	}
 	if (mdc800->state == WORKING)
 	{
-		warn ("Illegal State \"working\" reached during read ?!");
+		printk(KERN_WARNING "mdc800: Illegal State \"working\""
+		       "reached during read ?!\n");
 		mutex_unlock(&mdc800->io_lock);
 		return -EBUSY;
 	}
@@ -733,7 +739,9 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 				mdc800->download_urb->dev = mdc800->dev;
 				retval = usb_submit_urb (mdc800->download_urb, GFP_KERNEL);
 				if (retval) {
-					err ("Can't submit download urb (retval=%i)",retval);
+					dev_err(&mdc800->dev->dev,
+						"Can't submit download urb "
+						"(retval=%i)\n", retval);
 					mutex_unlock(&mdc800->io_lock);
 					return len-left;
 				}
@@ -742,7 +750,10 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 				mdc800->downloaded = 0;
 				if (mdc800->download_urb->status != 0)
 				{
-					err ("request download-bytes fails (status=%i)",mdc800->download_urb->status);
+					dev_err(&mdc800->dev->dev,
+						"request download-bytes fails "
+						"(status=%i)\n",
+						mdc800->download_urb->status);
 					mutex_unlock(&mdc800->io_lock);
 					return len-left;
 				}
@@ -839,7 +850,8 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 
 			if (mdc800_usb_waitForIRQ (0,TO_GET_READY))
 			{
-				err ("Camera didn't get ready.\n");
+				dev_err(&mdc800->dev->dev,
+					"Camera didn't get ready.\n");
 				mutex_unlock(&mdc800->io_lock);
 				return -EIO;
 			}
@@ -851,7 +863,9 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 			mdc800->write_urb->dev = mdc800->dev;
 			retval = usb_submit_urb (mdc800->write_urb, GFP_KERNEL);
 			if (retval) {
-				err ("submitting write urb fails (retval=%i)", retval);
+				dev_err(&mdc800->dev->dev,
+					"submitting write urb fails "
+					"(retval=%i)\n", retval);
 				mutex_unlock(&mdc800->io_lock);
 				return -EIO;
 			}
@@ -870,7 +884,9 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 				case 0x3e: /* Take shot in Fine Mode (WCam Mode) */
 					if (mdc800->pic_len < 0)
 					{
-						err ("call 0x07 before 0x05,0x3e");
+						dev_err(&mdc800->dev->dev,
+							"call 0x07 before "
+							"0x05,0x3e\n");
 						mdc800->state=READY;
 						mutex_unlock(&mdc800->io_lock);
 						return -EIO;
@@ -890,7 +906,7 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 
 						if (mdc800_usb_waitForIRQ (1,TO_READ_FROM_IRQ))
 						{
-							err ("requesting answer from irq fails");
+							dev_err(&mdc800->dev->dev, "requesting answer from irq fails\n");
 							mutex_unlock(&mdc800->io_lock);
 							return -EIO;
 						}
@@ -918,7 +934,7 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 					{
 						if (mdc800_usb_waitForIRQ (0,TO_DEFAULT_COMMAND))
 						{
-							err ("Command Timeout.");
+							dev_err(&mdc800->dev->dev, "Command Timeout.\n");
 							mutex_unlock(&mdc800->io_lock);
 							return -EIO;
 						}
@@ -1018,7 +1034,8 @@ static int __init usb_mdc800_init (void)
 	if (retval)
 		goto cleanup_on_fail;
 
-	info (DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
@@ -1028,7 +1045,7 @@ cleanup_on_fail:
 
 	if (mdc800 != NULL)
 	{
-		err ("can't alloc memory!");
+		printk(KERN_ERR "mdc800: can't alloc memory!\n");
 
 		kfree(mdc800->download_urb_buffer);
 		kfree(mdc800->write_urb_buffer);
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index 4ea50e0abcb..e463db5d818 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -42,6 +42,15 @@ config USB_ADUTUX
 	  To compile this driver as a module, choose M here.  The module
 	  will be called adutux.
 
+config USB_SEVSEG
+	tristate "USB 7-Segment LED Display"
+	depends on USB
+	help
+	  Say Y here if you have a USB 7-Segment Display by Delcom
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbsevseg.
+
 config USB_RIO500
 	tristate "USB Diamond Rio500 support"
 	depends on USB
@@ -271,3 +280,18 @@ config USB_ISIGHTFW
 	  The firmware for this driver must be extracted from the MacOS
 	  driver beforehand. Tools for doing so are available at
 	  http://bersace03.free.fr
+
+config USB_VST
+	tristate "USB VST driver"
+	depends on USB
+	help
+	  This driver is intended for Vernier Software Technologies
+	  bulk usb devices such as their Ocean-Optics spectrometers or
+	  Labquest.
+	  It is a bulk channel driver with configurable read and write
+	  timeouts.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called vstusb.
+
+
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 45b4e12afb0..1334f7bdd7b 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -26,6 +26,8 @@ obj-$(CONFIG_USB_RIO500)	+= rio500.o
 obj-$(CONFIG_USB_TEST)		+= usbtest.o
 obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 obj-$(CONFIG_USB_USS720)	+= uss720.o
+obj-$(CONFIG_USB_SEVSEG)	+= usbsevseg.o
+obj-$(CONFIG_USB_VST)		+= vstusb.o
 
 obj-$(CONFIG_USB_SISUSBVGA)	+= sisusbvga/
 
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 965f6eaea6a..7b6922e08ed 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -283,8 +283,8 @@ static int adu_open(struct inode *inode, struct file *file)
 
 	interface = usb_find_interface(&adu_driver, subminor);
 	if (!interface) {
-		err("%s - error, can't find device for minor %d",
-		    __func__, subminor);
+		printk(KERN_ERR "adutux: %s - error, can't find device for "
+		       "minor %d\n", __func__, subminor);
 		retval = -ENODEV;
 		goto exit_no_device;
 	}
@@ -416,7 +416,8 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 	/* verify that the device wasn't unplugged */
 	if (dev->udev == NULL) {
 		retval = -ENODEV;
-		err("No device or device unplugged %d", retval);
+		printk(KERN_ERR "adutux: No device or device unplugged %d\n",
+		       retval);
 		goto exit;
 	}
 
@@ -576,7 +577,8 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 	/* verify that the device wasn't unplugged */
 	if (dev->udev == NULL) {
 		retval = -ENODEV;
-		err("No device or device unplugged %d", retval);
+		printk(KERN_ERR "adutux: No device or device unplugged %d\n",
+		       retval);
 		goto exit;
 	}
 
@@ -645,7 +647,8 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 			retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
 			if (retval < 0) {
 				dev->out_urb_finished = 1;
-				err("Couldn't submit interrupt_out_urb %d", retval);
+				dev_err(&dev->udev->dev, "Couldn't submit "
+					"interrupt_out_urb %d\n", retval);
 				goto exit;
 			}
 
@@ -890,13 +893,14 @@ static int __init adu_init(void)
 	/* register this driver with the USB subsystem */
 	result = usb_register(&adu_driver);
 	if (result < 0) {
-		err("usb_register failed for the "__FILE__" driver. "
-		    "Error number %d", result);
+		printk(KERN_ERR "usb_register failed for the "__FILE__
+		       " driver. Error number %d\n", result);
 		goto exit;
 	}
 
-	info("adutux " DRIVER_DESC " " DRIVER_VERSION);
-	info("adutux is an experimental driver. Use at your own risk");
+	printk(KERN_INFO "adutux " DRIVER_DESC " " DRIVER_VERSION "\n");
+	printk(KERN_INFO "adutux is an experimental driver. "
+	       "Use at your own risk\n");
 
 exit:
 	dbg(2," %s : leave, return value %d", __func__, result);
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a076c24a312..1d8e39a557d 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -130,7 +130,8 @@ static void appledisplay_complete(struct urb *urb)
 exit:
 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
 	if (retval) {
-		err("%s - usb_submit_urb failed with result %d",
+		dev_err(&pdata->udev->dev,
+			"%s - usb_submit_urb failed with result %d\n",
 			__func__, retval);
 	}
 }
@@ -220,7 +221,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		}
 	}
 	if (!int_in_endpointAddr) {
-		err("Could not find int-in endpoint");
+		dev_err(&iface->dev, "Could not find int-in endpoint\n");
 		return -EIO;
 	}
 
@@ -228,7 +229,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);
 	if (!pdata) {
 		retval = -ENOMEM;
-		err("Out of memory");
+		dev_err(&iface->dev, "Out of memory\n");
 		goto error;
 	}
 
@@ -241,8 +242,8 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);
 	if (!pdata->msgdata) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating buffer for control messages "
-			"failed");
+		dev_err(&iface->dev,
+			"Allocating buffer for control messages failed\n");
 		goto error;
 	}
 
@@ -250,7 +251,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!pdata->urb) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating URB failed");
+		dev_err(&iface->dev, "Allocating URB failed\n");
 		goto error;
 	}
 
@@ -259,7 +260,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		GFP_KERNEL, &pdata->urb->transfer_dma);
 	if (!pdata->urbdata) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating URB buffer failed");
+		dev_err(&iface->dev, "Allocating URB buffer failed\n");
 		goto error;
 	}
 
@@ -270,7 +271,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		pdata, 1);
 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {
 		retval = -EIO;
-		err("appledisplay: Submitting URB failed");
+		dev_err(&iface->dev, "Submitting URB failed\n");
 		goto error;
 	}
 
@@ -280,7 +281,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,
 						&appledisplay_bl_data);
 	if (IS_ERR(pdata->bd)) {
-		err("appledisplay: Backlight registration failed");
+		dev_err(&iface->dev, "Backlight registration failed\n");
 		goto error;
 	}
 
@@ -291,7 +292,8 @@ static int appledisplay_probe(struct usb_interface *iface,
 
 	if (brightness < 0) {
 		retval = brightness;
-		err("appledisplay: Error while getting initial brightness: %d", retval);
+		dev_err(&iface->dev,
+			"Error while getting initial brightness: %d\n", retval);
 		goto error;
 	}
 
@@ -314,7 +316,7 @@ error:
 					pdata->urbdata, pdata->urb->transfer_dma);
 			usb_free_urb(pdata->urb);
 		}
-		if (pdata->bd)
+		if (pdata->bd && !IS_ERR(pdata->bd))
 			backlight_device_unregister(pdata->bd);
 		kfree(pdata->msgdata);
 	}
@@ -352,7 +354,7 @@ static int __init appledisplay_init(void)
 {
 	wq = create_singlethread_workqueue("appledisplay");
 	if (!wq) {
-		err("Could not create work queue\n");
+		printk(KERN_ERR "appledisplay: Could not create work queue\n");
 		return -ENOMEM;
 	}
 
diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c
index 937940404b7..5720bfef6a3 100644
--- a/drivers/usb/misc/cypress_cy7c63.c
+++ b/drivers/usb/misc/cypress_cy7c63.c
@@ -278,9 +278,9 @@ static int __init cypress_init(void)
 
 	/* register this driver with the USB subsystem */
 	result = usb_register(&cypress_driver);
-	if (result) {
-		err("Function usb_register failed! Error number: %d\n", result);
-	}
+	if (result)
+		printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! "
+		       "Error number: %d\n", result);
 
 	return result;
 }
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 1cd9e7eba93..4fb3c38b924 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -422,13 +422,14 @@ static int __init usb_cytherm_init(void)
 	int result;
 
 	result = usb_register(&cytherm_driver);
-	if (result) 
-	{	
-		err("usb_register failed. Error number %d", result);
+	if (result) {
+		printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! "
+		       "Error number: %d\n", result);
 		return result;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 4b994a0cd27..e762beb5f3c 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -50,7 +50,7 @@ static int emi26_writememory (struct usb_device *dev, int address,
 	unsigned char *buffer =  kmemdup(data, length, GFP_KERNEL);
 
 	if (!buffer) {
-		err("emi26: kmalloc(%d) failed.", length);
+		dev_err(&dev->dev, "kmalloc(%d) failed.\n", length);
 		return -ENOMEM;
 	}
 	/* Note: usb_control_msg returns negative value on error or length of the
@@ -64,11 +64,11 @@ static int emi26_writememory (struct usb_device *dev, int address,
 static int emi26_set_reset (struct usb_device *dev, unsigned char reset_bit)
 {
 	int response;
-	info("%s - %d", __func__, reset_bit);
+	dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
 	/* printk(KERN_DEBUG "%s - %d", __func__, reset_bit); */
 	response = emi26_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
 	if (response < 0) {
-		err("emi26: set_reset (%d) failed", reset_bit);
+		dev_err(&dev->dev, "set_reset (%d) failed\n", reset_bit);
 	}
 	return response;
 }
@@ -88,7 +88,8 @@ static int emi26_load_firmware (struct usb_device *dev)
 
 	buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
 	if (!buf) {
-		err( "%s - error loading firmware: error = %d", __func__, -ENOMEM);
+		dev_err(&dev->dev, "%s - error loading firmware: error = %d\n",
+			__func__, -ENOMEM);
 		err = -ENOMEM;
 		goto wraperr;
 	}
@@ -106,14 +107,16 @@ static int emi26_load_firmware (struct usb_device *dev)
 				    &dev->dev);
 	if (err) {
 	nofw:
-		err( "%s - request_firmware() failed", __func__);
+		dev_err(&dev->dev, "%s - request_firmware() failed\n",
+			__func__);
 		goto wraperr;
 	}
 
 	/* Assert reset (stop the CPU in the EMI) */
 	err = emi26_set_reset(dev,1);
 	if (err < 0) {
-		err( "%s - error loading firmware: error = %d", __func__, err);
+		dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
+			__func__, err);
 		goto wraperr;
 	}
 
@@ -254,7 +257,7 @@ static int emi26_probe(struct usb_interface *intf, const struct usb_device_id *i
 {
 	struct usb_device *dev = interface_to_usbdev(intf);
 
-	info("%s start", __func__);
+	dev_info(&intf->dev, "%s start\n", __func__);
 
 	emi26_load_firmware(dev);
 
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 5d859ded5bb..602ee05ba9f 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -73,7 +73,7 @@ static int emi62_writememory(struct usb_device *dev, int address,
 static int emi62_set_reset (struct usb_device *dev, unsigned char reset_bit)
 {
 	int response;
-	info("%s - %d", __func__, reset_bit);
+	dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
 	
 	response = emi62_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
 	if (response < 0) {
@@ -271,7 +271,7 @@ static int emi62_probe(struct usb_interface *intf, const struct usb_device_id *i
 	struct usb_device *dev = interface_to_usbdev(intf);
 	dev_dbg(&intf->dev, "emi62_probe\n");
 
-	info("%s start", __func__);
+	dev_info(&intf->dev, "%s start\n", __func__);
 
 	emi62_load_firmware(dev);
 
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 97c28097153..79a7668ef26 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -698,7 +698,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer,
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(50));
+                        &packet_bytes, 50);
                 if (packet_bytes > 2) {
                         ftdi->bulk_in_left = packet_bytes - 2;
                         ftdi->bulk_in_last = 1;
@@ -960,7 +960,7 @@ static int ftdi_elan_respond_engine(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(500));
+                        &packet_bytes, 500);
                 char diag[30 *3 + 4];
                 char *d = diag;
                 int m = packet_bytes;
@@ -1880,7 +1880,7 @@ static int ftdi_elan_flush_input_fifo(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(100));
+                        &packet_bytes, 100);
                 if (packet_bytes > 2) {
                         char diag[30 *3 + 4];
                         char *d = diag;
@@ -2067,7 +2067,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi)
                                 usb_rcvbulkpipe(ftdi->udev,
                                 ftdi->bulk_in_endpointAddr),
                                 ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                                &packet_bytes, msecs_to_jiffies(500));
+                                &packet_bytes, 500);
                         if (packet_bytes > 2) {
                                 char diag[30 *3 + 4];
                                 char *d = diag;
@@ -2176,7 +2176,7 @@ static int ftdi_elan_stuck_waiting(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(1000));
+                        &packet_bytes, 1000);
                 if (packet_bytes > 2) {
                         char diag[30 *3 + 4];
                         char *d = diag;
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 4bcf7fb4e5d..6da8887538c 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -403,14 +403,15 @@ static void idmouse_disconnect(struct usb_interface *interface)
 		mutex_unlock(&dev->lock);
 	}
 
-	info("%s disconnected", DRIVER_DESC);
+	dev_info(&interface->dev, "disconnected\n");
 }
 
 static int __init usb_idmouse_init(void)
 {
 	int result;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* register this driver with the USB subsystem */
 	result = usb_register(&idmouse_driver);
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 9370326a594..ab0f3226158 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -851,9 +851,8 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 
 	dbg(2, "%s: enter", __func__);
 
-	if (udev == NULL) {
-		info ("udev is NULL.");
-	}
+	if (udev == NULL)
+		dev_info(&interface->dev, "udev is NULL.\n");
 
 	/* allocate memory for our device state and initialize it */
 
@@ -954,7 +953,9 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 	dev->minor = interface->minor;
 
 	/* let the user know what node this device is now attached to */
-	info ("LEGO USB Tower #%d now attached to major %d minor %d", (dev->minor - LEGO_USB_TOWER_MINOR_BASE), USB_MAJOR, dev->minor);
+	dev_info(&interface->dev, "LEGO USB Tower #%d now attached to major "
+		 "%d minor %d\n", (dev->minor - LEGO_USB_TOWER_MINOR_BASE),
+		 USB_MAJOR, dev->minor);
 
 	/* get the firmware version and log it */
 	result = usb_control_msg (udev,
@@ -971,10 +972,10 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 		retval = result;
 		goto error;
 	}
-	info("LEGO USB Tower firmware version is %d.%d build %d",
-	     get_version_reply.major,
-	     get_version_reply.minor,
-	     le16_to_cpu(get_version_reply.build_no));
+	dev_info(&interface->dev, "LEGO USB Tower firmware version is %d.%d "
+		 "build %d\n", get_version_reply.major,
+		 get_version_reply.minor,
+		 le16_to_cpu(get_version_reply.build_no));
 
 
 exit:
@@ -1021,7 +1022,8 @@ static void tower_disconnect (struct usb_interface *interface)
 		mutex_unlock(&dev->lock);
 	}
 
-	info("LEGO USB Tower #%d now disconnected", (minor - LEGO_USB_TOWER_MINOR_BASE));
+	dev_info(&interface->dev, "LEGO USB Tower #%d now disconnected\n",
+		 (minor - LEGO_USB_TOWER_MINOR_BASE));
 
 	dbg(2, "%s: leave", __func__);
 }
@@ -1046,7 +1048,8 @@ static int __init lego_usb_tower_init(void)
 		goto exit;
 	}
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 exit:
 	dbg(2, "%s: leave, return value %d", __func__, retval);
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c
index 4cfa25b0f44..cc8e0a926f9 100644
--- a/drivers/usb/misc/phidgetkit.c
+++ b/drivers/usb/misc/phidgetkit.c
@@ -595,9 +595,8 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
         } while(value);
         kit->dev_no = bit;
 
-	kit->dev = device_create_drvdata(phidget_class, &kit->udev->dev,
-					MKDEV(0, 0), kit,
-					"interfacekit%d", kit->dev_no);
+	kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0),
+				 kit, "interfacekit%d", kit->dev_no);
         if (IS_ERR(kit->dev)) {
                 rc = PTR_ERR(kit->dev);
                 kit->dev = NULL;
diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c
index 9b4696f21b2..38088b44349 100644
--- a/drivers/usb/misc/phidgetmotorcontrol.c
+++ b/drivers/usb/misc/phidgetmotorcontrol.c
@@ -365,9 +365,8 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic
 	} while(value);
 	mc->dev_no = bit;
 
-	mc->dev = device_create_drvdata(phidget_class, &mc->udev->dev,
-					MKDEV(0, 0), mc,
-					"motorcontrol%d", mc->dev_no);
+	mc->dev = device_create(phidget_class, &mc->udev->dev, MKDEV(0, 0), mc,
+				"motorcontrol%d", mc->dev_no);
 	if (IS_ERR(mc->dev)) {
 		rc = PTR_ERR(mc->dev);
 		mc->dev = NULL;
diff --git a/drivers/usb/misc/phidgetservo.c b/drivers/usb/misc/phidgetservo.c
index 1ca7ddb41d4..bef6fe16364 100644
--- a/drivers/usb/misc/phidgetservo.c
+++ b/drivers/usb/misc/phidgetservo.c
@@ -275,9 +275,8 @@ servo_probe(struct usb_interface *interface, const struct usb_device_id *id)
         } while (value);
 	dev->dev_no = bit;
 
-	dev->dev = device_create_drvdata(phidget_class, &dev->udev->dev,
-					 MKDEV(0, 0), dev,
-					 "servo%d", dev->dev_no);
+	dev->dev = device_create(phidget_class, &dev->udev->dev, MKDEV(0, 0),
+				 dev, "servo%d", dev->dev_no);
 	if (IS_ERR(dev->dev)) {
 		rc = PTR_ERR(dev->dev);
 		dev->dev = NULL;
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 248a12aacef..deb95bb49fd 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -89,7 +89,7 @@ static int open_rio(struct inode *inode, struct file *file)
 
 	mutex_unlock(&(rio->lock));
 
-	info("Rio opened.");
+	dev_info(&rio->rio_dev->dev, "Rio opened.\n");
 
 	return 0;
 }
@@ -100,7 +100,7 @@ static int close_rio(struct inode *inode, struct file *file)
 
 	rio->isopen = 0;
 
-	info("Rio closed.");
+	dev_info(&rio->rio_dev->dev, "Rio closed.\n");
 	return 0;
 }
 
@@ -451,7 +451,7 @@ static int probe_rio(struct usb_interface *intf,
 	struct rio_usb_data *rio = &rio_instance;
 	int retval;
 
-	info("USB Rio found at address %d", dev->devnum);
+	dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum);
 
 	retval = usb_register_dev(intf, &usb_rio_class);
 	if (retval) {
@@ -503,7 +503,7 @@ static void disconnect_rio(struct usb_interface *intf)
 		kfree(rio->ibuf);
 		kfree(rio->obuf);
 
-		info("USB Rio disconnected.");
+		dev_info(&intf->dev, "USB Rio disconnected.\n");
 
 		rio->present = 0;
 		mutex_unlock(&(rio->lock));
@@ -531,7 +531,8 @@ static int __init usb_rio_init(void)
 	if (retval)
 		goto out;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 out:
 	return retval;
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 03368edf3f2..2e14102955c 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -144,7 +144,8 @@ static int __init tv_init(void)
 		return retval;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 2db4228fbb0..e0ff9ccd866 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -311,7 +311,7 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 	dev->interface = interface;
 
 	if (le16_to_cpu(dev->udev->descriptor.idProduct) != 0x0001) {
-		warn(KERN_INFO "USBLCD model not supported.");
+		dev_warn(&interface->dev, "USBLCD model not supported.\n");
 		return -ENODEV;
 	}
 	
@@ -359,12 +359,13 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 
 	i = le16_to_cpu(dev->udev->descriptor.bcdDevice);
 
-	info("USBLCD Version %1d%1d.%1d%1d found at address %d",
-		(i & 0xF000)>>12,(i & 0xF00)>>8,(i & 0xF0)>>4,(i & 0xF),
-		dev->udev->devnum);
+	dev_info(&interface->dev, "USBLCD Version %1d%1d.%1d%1d found "
+		 "at address %d\n", (i & 0xF000)>>12, (i & 0xF00)>>8,
+		 (i & 0xF0)>>4,(i & 0xF), dev->udev->devnum);
 
 	/* let the user know what node this device is now attached to */
-	info("USB LCD device now attached to USBLCD-%d", interface->minor);
+	dev_info(&interface->dev, "USB LCD device now attached to USBLCD-%d\n",
+		 interface->minor);
 	return 0;
 
 error:
@@ -413,7 +414,7 @@ static void lcd_disconnect(struct usb_interface *interface)
 	/* decrement our usage count */
 	kref_put(&dev->kref, lcd_delete);
 
-	info("USB LCD #%d now disconnected", minor);
+	dev_info(&interface->dev, "USB LCD #%d now disconnected\n", minor);
 }
 
 static struct usb_driver lcd_driver = {
diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c
new file mode 100644
index 00000000000..28a6a3a0953
--- /dev/null
+++ b/drivers/usb/misc/usbsevseg.c
@@ -0,0 +1,394 @@
+/*
+ * USB 7 Segment Driver
+ *
+ * Copyright (C) 2008 Harrison Metzger <harrisonmetz@gmail.com>
+ * Based on usbled.c by Greg Kroah-Hartman (greg@kroah.com)
+ *
+ *	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, version 2.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/usb.h>
+
+
+#define DRIVER_AUTHOR "Harrison Metzger <harrisonmetz@gmail.com>"
+#define DRIVER_DESC "USB 7 Segment Driver"
+
+#define VENDOR_ID	0x0fc5
+#define PRODUCT_ID	0x1227
+#define MAXLEN		6
+
+/* table of devices that work with this driver */
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+/* the different text display modes the device is capable of */
+static char *display_textmodes[] = {"raw", "hex", "ascii", NULL};
+
+struct usb_sevsegdev {
+	struct usb_device *udev;
+
+	u8 powered;
+	u8 mode_msb;
+	u8 mode_lsb;
+	u8 decimals[MAXLEN];
+	u8 textmode;
+	u8 text[MAXLEN];
+	u16 textlength;
+};
+
+/* sysfs_streq can't replace this completely
+ * If the device was in hex mode, and the user wanted a 0,
+ * if str commands are used, we would assume the end of string
+ * so mem commands are used.
+ */
+inline size_t my_memlen(const char *buf, size_t count)
+{
+	if (count > 0 && buf[count-1] == '\n')
+		return count - 1;
+	else
+		return count;
+}
+
+static void update_display_powered(struct usb_sevsegdev *mydev)
+{
+	int rc;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(80 * 0x100) + 10, /*  (power mode) */
+			(0x00 * 0x100) + (mydev->powered ? 1 : 0),
+			NULL,
+			0,
+			2000);
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc);
+}
+
+static void update_display_mode(struct usb_sevsegdev *mydev)
+{
+	int rc;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(82 * 0x100) + 10, /* (set mode) */
+			(mydev->mode_msb * 0x100) + mydev->mode_lsb,
+			NULL,
+			0,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "mode retval = %d\n", rc);
+}
+
+static void update_display_visual(struct usb_sevsegdev *mydev)
+{
+	int rc;
+	int i;
+	unsigned char *buffer;
+	u8 decimals = 0;
+
+	buffer = kzalloc(MAXLEN, GFP_KERNEL);
+	if (!buffer) {
+		dev_err(&mydev->udev->dev, "out of memory\n");
+		return;
+	}
+
+	/* The device is right to left, where as you write left to right */
+	for (i = 0; i < mydev->textlength; i++)
+		buffer[i] = mydev->text[mydev->textlength-1-i];
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(85 * 0x100) + 10, /* (write text) */
+			(0 * 0x100) + mydev->textmode, /* mode  */
+			buffer,
+			mydev->textlength,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "write retval = %d\n", rc);
+
+	kfree(buffer);
+
+	/* The device is right to left, where as you write left to right */
+	for (i = 0; i < sizeof(mydev->decimals); i++)
+		decimals |= mydev->decimals[i] << i;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(86 * 0x100) + 10, /* (set decimal) */
+			(0 * 0x100) + decimals, /* decimals */
+			NULL,
+			0,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "decimal retval = %d\n", rc);
+}
+
+#define MYDEV_ATTR_SIMPLE_UNSIGNED(name, update_fcn)		\
+static ssize_t show_attr_##name(struct device *dev, 		\
+	struct device_attribute *attr, char *buf) 		\
+{								\
+	struct usb_interface *intf = to_usb_interface(dev);	\
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);	\
+								\
+	return sprintf(buf, "%u\n", mydev->name);		\
+}								\
+								\
+static ssize_t set_attr_##name(struct device *dev, 		\
+	struct device_attribute *attr, const char *buf, size_t count) \
+{								\
+	struct usb_interface *intf = to_usb_interface(dev);	\
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);	\
+								\
+	mydev->name = simple_strtoul(buf, NULL, 10);		\
+	update_fcn(mydev); \
+								\
+	return count;						\
+}								\
+static DEVICE_ATTR(name, S_IWUGO | S_IRUGO, show_attr_##name, set_attr_##name);
+
+static ssize_t show_attr_text(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+
+	return snprintf(buf, mydev->textlength, "%s\n", mydev->text);
+}
+
+static ssize_t set_attr_text(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	size_t end = my_memlen(buf, count);
+
+	if (end > sizeof(mydev->text))
+		return -EINVAL;
+
+	memset(mydev->text, 0, sizeof(mydev->text));
+	mydev->textlength = end;
+
+	if (end > 0)
+		memcpy(mydev->text, buf, end);
+
+	update_display_visual(mydev);
+	return count;
+}
+
+static DEVICE_ATTR(text, S_IWUGO | S_IRUGO, show_attr_text, set_attr_text);
+
+static ssize_t show_attr_decimals(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+	int pos;
+
+	for (i = 0; i < sizeof(mydev->decimals); i++) {
+		pos = sizeof(mydev->decimals) - 1 - i;
+		if (mydev->decimals[i] == 0)
+			buf[pos] = '0';
+		else if (mydev->decimals[i] == 1)
+			buf[pos] = '1';
+		else
+			buf[pos] = 'x';
+	}
+
+	buf[sizeof(mydev->decimals)] = '\n';
+	return sizeof(mydev->decimals) + 1;
+}
+
+static ssize_t set_attr_decimals(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	size_t end = my_memlen(buf, count);
+	int i;
+
+	if (end > sizeof(mydev->decimals))
+		return -EINVAL;
+
+	for (i = 0; i < end; i++)
+		if (buf[i] != '0' && buf[i] != '1')
+			return -EINVAL;
+
+	memset(mydev->decimals, 0, sizeof(mydev->decimals));
+	for (i = 0; i < end; i++)
+		if (buf[i] == '1')
+			mydev->decimals[end-1-i] = 1;
+
+	update_display_visual(mydev);
+
+	return count;
+}
+
+static DEVICE_ATTR(decimals, S_IWUGO | S_IRUGO,
+	show_attr_decimals, set_attr_decimals);
+
+static ssize_t show_attr_textmode(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+
+	buf[0] = 0;
+
+	for (i = 0; display_textmodes[i]; i++) {
+		if (mydev->textmode == i) {
+			strcat(buf, " [");
+			strcat(buf, display_textmodes[i]);
+			strcat(buf, "] ");
+		} else {
+			strcat(buf, " ");
+			strcat(buf, display_textmodes[i]);
+			strcat(buf, " ");
+		}
+	}
+	strcat(buf, "\n");
+
+
+	return strlen(buf);
+}
+
+static ssize_t set_attr_textmode(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+
+	for (i = 0; display_textmodes[i]; i++) {
+		if (sysfs_streq(display_textmodes[i], buf)) {
+			mydev->textmode = i;
+			update_display_visual(mydev);
+			return count;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static DEVICE_ATTR(textmode, S_IWUGO | S_IRUGO,
+	show_attr_textmode, set_attr_textmode);
+
+
+MYDEV_ATTR_SIMPLE_UNSIGNED(powered, update_display_powered);
+MYDEV_ATTR_SIMPLE_UNSIGNED(mode_msb, update_display_mode);
+MYDEV_ATTR_SIMPLE_UNSIGNED(mode_lsb, update_display_mode);
+
+static struct attribute *dev_attrs[] = {
+	&dev_attr_powered.attr,
+	&dev_attr_text.attr,
+	&dev_attr_textmode.attr,
+	&dev_attr_decimals.attr,
+	&dev_attr_mode_msb.attr,
+	&dev_attr_mode_lsb.attr,
+	NULL
+};
+
+static struct attribute_group dev_attr_grp = {
+	.attrs = dev_attrs,
+};
+
+static int sevseg_probe(struct usb_interface *interface,
+	const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	struct usb_sevsegdev *mydev = NULL;
+	int rc = -ENOMEM;
+
+	mydev = kzalloc(sizeof(struct usb_sevsegdev), GFP_KERNEL);
+	if (mydev == NULL) {
+		dev_err(&interface->dev, "Out of memory\n");
+		goto error_mem;
+	}
+
+	mydev->udev = usb_get_dev(udev);
+	usb_set_intfdata(interface, mydev);
+
+	/*set defaults */
+	mydev->textmode = 0x02; /* ascii mode */
+	mydev->mode_msb = 0x06; /* 6 characters */
+	mydev->mode_lsb = 0x3f; /* scanmode for 6 chars */
+
+	rc = sysfs_create_group(&interface->dev.kobj, &dev_attr_grp);
+	if (rc)
+		goto error;
+
+	dev_info(&interface->dev, "USB 7 Segment device now attached\n");
+	return 0;
+
+error:
+	usb_set_intfdata(interface, NULL);
+	usb_put_dev(mydev->udev);
+	kfree(mydev);
+error_mem:
+	return rc;
+}
+
+static void sevseg_disconnect(struct usb_interface *interface)
+{
+	struct usb_sevsegdev *mydev;
+
+	mydev = usb_get_intfdata(interface);
+	sysfs_remove_group(&interface->dev.kobj, &dev_attr_grp);
+	usb_set_intfdata(interface, NULL);
+	usb_put_dev(mydev->udev);
+	kfree(mydev);
+	dev_info(&interface->dev, "USB 7 Segment now disconnected\n");
+}
+
+static struct usb_driver sevseg_driver = {
+	.name =		"usbsevseg",
+	.probe =	sevseg_probe,
+	.disconnect =	sevseg_disconnect,
+	.id_table =	id_table,
+};
+
+static int __init usb_sevseg_init(void)
+{
+	int rc = 0;
+
+	rc = usb_register(&sevseg_driver);
+	if (rc)
+		err("usb_register failed. Error number %d", rc);
+	return rc;
+}
+
+static void __exit usb_sevseg_exit(void)
+{
+	usb_deregister(&sevseg_driver);
+}
+
+module_init(usb_sevseg_init);
+module_exit(usb_sevseg_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index f1255b0a182..9a6c27a0179 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -228,11 +228,12 @@ static int get_1284_register(struct parport *pp, unsigned char reg, unsigned cha
 		ret = rq->urb->status;
 		*val = priv->reg[(reg >= 9) ? 0 : regindex[reg]];
 		if (ret)
-			warn("get_1284_register: usb error %d", ret);
+			printk(KERN_WARNING "get_1284_register: "
+			       "usb error %d\n", ret);
 		kref_put(&rq->ref_count, destroy_async);
 		return ret;
 	}
-	warn("get_1284_register timeout");
+	printk(KERN_WARNING "get_1284_register timeout\n");
 	kill_all_async_requests_priv(priv);
 	return -EIO;
 }
@@ -716,7 +717,7 @@ static int uss720_probe(struct usb_interface *intf,
 	spin_lock_init(&priv->asynclock);
 	INIT_LIST_HEAD(&priv->asynclist);
 	if (!(pp = parport_register_port(0, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &parport_uss720_ops))) {
-		warn("could not register parport");
+		printk(KERN_WARNING "uss720: could not register parport\n");
 		goto probe_abort;
 	}
 
@@ -800,10 +801,14 @@ static int __init uss720_init(void)
 	if (retval)
 		goto out;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
-	info("NOTE: this is a special purpose driver to allow nonstandard");
-	info("protocols (eg. bitbang) over USS720 usb to parallel cables");
-	info("If you just want to connect to a printer, use usblp instead");
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
+	printk(KERN_INFO KBUILD_MODNAME ": NOTE: this is a special purpose "
+	       "driver to allow nonstandard\n");
+	printk(KERN_INFO KBUILD_MODNAME ": protocols (eg. bitbang) over "
+	       "USS720 usb to parallel cables\n");
+	printk(KERN_INFO KBUILD_MODNAME ": If you just want to connect to a "
+	       "printer, use usblp instead\n");
 out:
 	return retval;
 }
diff --git a/drivers/usb/misc/vstusb.c b/drivers/usb/misc/vstusb.c
new file mode 100644
index 00000000000..8648470c81c
--- /dev/null
+++ b/drivers/usb/misc/vstusb.c
@@ -0,0 +1,782 @@
+/*****************************************************************************
+ *  File: drivers/usb/misc/vstusb.c
+ *
+ *  Purpose: Support for the bulk USB Vernier Spectrophotometers
+ *
+ *  Author:     Johnnie Peters
+ *              Axian Consulting
+ *              Beaverton, OR, USA 97005
+ *
+ *  Modified by:     EQware Engineering, Inc.
+ *                   Oregon City, OR, USA 97045
+ *
+ *  Copyright:  2007, 2008
+ *              Vernier Software & Technology
+ *              Beaverton, OR, USA 97005
+ *
+ *  Web:        www.vernier.com
+ *
+ *  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.
+ *
+ *****************************************************************************/
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/usb.h>
+
+#include <linux/usb/vstusb.h>
+
+#define DRIVER_VERSION "VST USB Driver Version 1.5"
+#define DRIVER_DESC "Vernier Software Technology Bulk USB Driver"
+
+#ifdef CONFIG_USB_DYNAMIC_MINORS
+	#define VSTUSB_MINOR_BASE	0
+#else
+	#define VSTUSB_MINOR_BASE	199
+#endif
+
+#define USB_VENDOR_OCEANOPTICS	0x2457
+#define USB_VENDOR_VERNIER	0x08F7	/* Vernier Software & Technology */
+
+#define USB_PRODUCT_USB2000	0x1002
+#define USB_PRODUCT_ADC1000_FW	0x1003	/* firmware download (renumerates) */
+#define USB_PRODUCT_ADC1000	0x1004
+#define USB_PRODUCT_HR2000_FW	0x1009	/* firmware download (renumerates) */
+#define USB_PRODUCT_HR2000	0x100A
+#define USB_PRODUCT_HR4000_FW	0x1011	/* firmware download (renumerates) */
+#define USB_PRODUCT_HR4000	0x1012
+#define USB_PRODUCT_USB650	0x1014	/* "Red Tide" */
+#define USB_PRODUCT_QE65000	0x1018
+#define USB_PRODUCT_USB4000	0x1022
+#define USB_PRODUCT_USB325	0x1024	/* "Vernier Spectrometer" */
+
+#define USB_PRODUCT_LABPRO	0x0001
+#define USB_PRODUCT_LABQUEST	0x0005
+
+#define VST_MAXBUFFER		(64*1024)
+
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB2000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_HR4000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB650)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB4000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB325)},
+	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABQUEST)},
+	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABPRO)},
+	{},
+};
+
+MODULE_DEVICE_TABLE(usb, id_table);
+
+struct vstusb_device {
+	struct kref				kref;
+	struct mutex            lock;
+	struct usb_device       *usb_dev;
+	char                    present;
+	char                    isopen;
+	struct usb_anchor       submitted;
+	int                     rd_pipe;
+	int                     rd_timeout_ms;
+	int                     wr_pipe;
+	int                     wr_timeout_ms;
+};
+#define to_vst_dev(d) container_of(d, struct vstusb_device, kref)
+
+static struct usb_driver vstusb_driver;
+
+static void vstusb_delete(struct kref *kref)
+{
+	struct vstusb_device *vstdev = to_vst_dev(kref);
+
+	usb_put_dev(vstdev->usb_dev);
+	kfree(vstdev);
+}
+
+static int vstusb_open(struct inode *inode, struct file *file)
+{
+	struct vstusb_device *vstdev;
+	struct usb_interface *interface;
+
+	interface = usb_find_interface(&vstusb_driver, iminor(inode));
+
+	if (!interface) {
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s - error, can't find device for minor %d\n",
+		       __func__, iminor(inode));
+		return -ENODEV;
+	}
+
+	vstdev = usb_get_intfdata(interface);
+
+	if (!vstdev)
+		return -ENODEV;
+
+	/* lock this device */
+	mutex_lock(&vstdev->lock);
+
+	/* can only open one time */
+	if ((!vstdev->present) || (vstdev->isopen)) {
+		mutex_unlock(&vstdev->lock);
+		return -EBUSY;
+	}
+
+	/* increment our usage count */
+	kref_get(&vstdev->kref);
+
+	vstdev->isopen = 1;
+
+	/* save device in the file's private structure */
+	file->private_data = vstdev;
+
+	dev_dbg(&vstdev->usb_dev->dev, "%s: opened\n", __func__);
+
+	mutex_unlock(&vstdev->lock);
+
+	return 0;
+}
+
+static int vstusb_release(struct inode *inode, struct file *file)
+{
+	struct vstusb_device *vstdev;
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	mutex_lock(&vstdev->lock);
+
+	vstdev->isopen = 0;
+
+	dev_dbg(&vstdev->usb_dev->dev, "%s: released\n", __func__);
+
+	mutex_unlock(&vstdev->lock);
+
+	kref_put(&vstdev->kref, vstusb_delete);
+
+	return 0;
+}
+
+static void usb_api_blocking_completion(struct urb *urb)
+{
+	struct completion *completeit = urb->context;
+
+	complete(completeit);
+}
+
+static int vstusb_fill_and_send_urb(struct urb *urb,
+				    struct usb_device *usb_dev,
+				    unsigned int pipe, void *data,
+				    unsigned int len, struct completion *done)
+{
+	struct usb_host_endpoint *ep;
+	struct usb_host_endpoint **hostep;
+	unsigned int pipend;
+
+	int status;
+
+	hostep = usb_pipein(pipe) ? usb_dev->ep_in : usb_dev->ep_out;
+	pipend = usb_pipeendpoint(pipe);
+	ep = hostep[pipend];
+
+	if (!ep || (len == 0))
+		return -EINVAL;
+
+	if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+	    == USB_ENDPOINT_XFER_INT) {
+		pipe = (pipe & ~(3 << 30)) | (PIPE_INTERRUPT << 30);
+		usb_fill_int_urb(urb, usb_dev, pipe, data, len,
+				 (usb_complete_t)usb_api_blocking_completion,
+				 NULL, ep->desc.bInterval);
+	} else
+		usb_fill_bulk_urb(urb, usb_dev, pipe, data, len,
+				  (usb_complete_t)usb_api_blocking_completion,
+				  NULL);
+
+	init_completion(done);
+	urb->context = done;
+	urb->actual_length = 0;
+	status = usb_submit_urb(urb, GFP_KERNEL);
+
+	return status;
+}
+
+static int vstusb_complete_urb(struct urb *urb, struct completion *done,
+			       int timeout, int *actual_length)
+{
+	unsigned long expire;
+	int status;
+
+	expire = timeout ? msecs_to_jiffies(timeout) : MAX_SCHEDULE_TIMEOUT;
+	if (!wait_for_completion_interruptible_timeout(done, expire)) {
+		usb_kill_urb(urb);
+		status = urb->status == -ENOENT ? -ETIMEDOUT : urb->status;
+
+		dev_dbg(&urb->dev->dev,
+			"%s timed out on ep%d%s len=%d/%d, urb status = %d\n",
+			current->comm,
+			usb_pipeendpoint(urb->pipe),
+			usb_pipein(urb->pipe) ? "in" : "out",
+			urb->actual_length,
+			urb->transfer_buffer_length,
+			urb->status);
+
+	} else {
+		if (signal_pending(current)) {
+			/* if really an error */
+			if (urb->status && !((urb->status == -ENOENT)     ||
+					     (urb->status == -ECONNRESET) ||
+					     (urb->status == -ESHUTDOWN))) {
+				status = -EINTR;
+				usb_kill_urb(urb);
+			} else {
+				status = 0;
+			}
+
+			dev_dbg(&urb->dev->dev,
+				"%s: signal pending on ep%d%s len=%d/%d,"
+				"urb status = %d\n",
+				current->comm,
+				usb_pipeendpoint(urb->pipe),
+				usb_pipein(urb->pipe) ? "in" : "out",
+				urb->actual_length,
+				urb->transfer_buffer_length,
+				urb->status);
+
+		} else {
+			status = urb->status;
+		}
+	}
+
+	if (actual_length)
+		*actual_length = urb->actual_length;
+
+	return status;
+}
+
+static ssize_t vstusb_read(struct file *file, char __user *buffer,
+			   size_t count, loff_t *ppos)
+{
+	struct vstusb_device *vstdev;
+	int cnt = -1;
+	void *buf;
+	int retval = 0;
+
+	struct urb              *urb;
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	/* verify that we actually want to read some data */
+	if ((count == 0) || (count > VST_MAXBUFFER))
+		return -EINVAL;
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock))
+		return -ERESTARTSYS;
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s: device not present\n", __func__);
+		return -ENODEV;
+	}
+
+	/* pull out the necessary data */
+	dev =     vstdev->usb_dev;
+	pipe =    usb_rcvbulkpipe(dev, vstdev->rd_pipe);
+	timeout = vstdev->rd_timeout_ms;
+
+	buf = kmalloc(count, GFP_KERNEL);
+	if (buf == NULL) {
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb) {
+		kfree(buf);
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	usb_anchor_urb(urb, &vstdev->submitted);
+	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
+	mutex_unlock(&vstdev->lock);
+	if (retval) {
+		usb_unanchor_urb(urb);
+		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+	if (retval) {
+		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	if (copy_to_user(buffer, buf, cnt)) {
+		dev_err(&dev->dev, "%s: can't copy_to_user\n", __func__);
+		retval = -EFAULT;
+	} else {
+		retval = cnt;
+		dev_dbg(&dev->dev, "%s: read %d bytes from pipe %d\n",
+			__func__, cnt, pipe);
+	}
+
+exit:
+	usb_free_urb(urb);
+	kfree(buf);
+	return retval;
+}
+
+static ssize_t vstusb_write(struct file *file, const char __user *buffer,
+			    size_t count, loff_t *ppos)
+{
+	struct vstusb_device *vstdev;
+	int cnt = -1;
+	void *buf;
+	int retval = 0;
+
+	struct urb              *urb;
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	/* verify that we actually have some data to write */
+	if ((count == 0) || (count > VST_MAXBUFFER))
+		return retval;
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock))
+		return -ERESTARTSYS;
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s: device not present\n", __func__);
+		return -ENODEV;
+	}
+
+	/* pull out the necessary data */
+	dev =     vstdev->usb_dev;
+	pipe =    usb_sndbulkpipe(dev, vstdev->wr_pipe);
+	timeout = vstdev->wr_timeout_ms;
+
+	buf = kmalloc(count, GFP_KERNEL);
+	if (buf == NULL) {
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb) {
+		kfree(buf);
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	if (copy_from_user(buf, buffer, count)) {
+		dev_err(&dev->dev, "%s: can't copy_from_user\n", __func__);
+		retval = -EFAULT;
+		goto exit;
+	}
+
+	usb_anchor_urb(urb, &vstdev->submitted);
+	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
+	mutex_unlock(&vstdev->lock);
+	if (retval) {
+		usb_unanchor_urb(urb);
+		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+	if (retval) {
+		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	} else {
+		retval = cnt;
+		dev_dbg(&dev->dev, "%s: sent %d bytes to pipe %d\n",
+			__func__, cnt, pipe);
+	}
+
+exit:
+	usb_free_urb(urb);
+	kfree(buf);
+	return retval;
+}
+
+static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int retval = 0;
+	int cnt = -1;
+	void __user *data = (void __user *)arg;
+	struct vstusb_args usb_data;
+
+	struct vstusb_device *vstdev;
+	void *buffer = NULL; /* must be initialized. buffer is
+			      *	referenced on exit but not all
+			      * ioctls allocate it */
+
+	struct urb              *urb = NULL; /* must be initialized. urb is
+					      *	referenced on exit but not all
+					      * ioctls allocate it */
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (_IOC_TYPE(cmd) != VST_IOC_MAGIC) {
+		dev_warn(&vstdev->usb_dev->dev,
+			 "%s: ioctl command %x, bad ioctl magic %x, "
+			 "expected %x\n", __func__, cmd,
+			 _IOC_TYPE(cmd), VST_IOC_MAGIC);
+		return -EINVAL;
+	}
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	if (copy_from_user(&usb_data, data, sizeof(struct vstusb_args))) {
+		dev_err(&vstdev->usb_dev->dev, "%s: can't copy_from_user\n",
+			__func__);
+		return -EFAULT;
+	}
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock)) {
+		retval = -ERESTARTSYS;
+		goto exit;
+	}
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		dev_err(&vstdev->usb_dev->dev, "%s: device not present\n",
+			__func__);
+		retval = -ENODEV;
+		goto exit;
+	}
+
+	/* pull out the necessary data */
+	dev = vstdev->usb_dev;
+
+	switch (cmd) {
+
+	case IOCTL_VSTUSB_CONFIG_RW:
+
+		vstdev->rd_pipe = usb_data.rd_pipe;
+		vstdev->rd_timeout_ms = usb_data.rd_timeout_ms;
+		vstdev->wr_pipe = usb_data.wr_pipe;
+		vstdev->wr_timeout_ms = usb_data.wr_timeout_ms;
+
+		mutex_unlock(&vstdev->lock);
+
+		dev_dbg(&dev->dev, "%s: setting pipes/timeouts, "
+			"rdpipe = %d, rdtimeout = %d, "
+			"wrpipe = %d, wrtimeout = %d\n", __func__,
+			vstdev->rd_pipe, vstdev->rd_timeout_ms,
+			vstdev->wr_pipe, vstdev->wr_timeout_ms);
+		break;
+
+	case IOCTL_VSTUSB_SEND_PIPE:
+
+		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
+			mutex_unlock(&vstdev->lock);
+			retval = -EINVAL;
+			goto exit;
+		}
+
+		buffer = kmalloc(usb_data.count, GFP_KERNEL);
+		if (buffer == NULL) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!urb) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		timeout = usb_data.timeout_ms;
+
+		pipe = usb_sndbulkpipe(dev, usb_data.pipe);
+
+		if (copy_from_user(buffer, usb_data.buffer, usb_data.count)) {
+			dev_err(&dev->dev, "%s: can't copy_from_user\n",
+				__func__);
+			mutex_unlock(&vstdev->lock);
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		usb_anchor_urb(urb, &vstdev->submitted);
+		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
+						  usb_data.count, &done);
+		mutex_unlock(&vstdev->lock);
+		if (retval) {
+			usb_unanchor_urb(urb);
+			dev_err(&dev->dev,
+				"%s: error %d filling and sending urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+		if (retval) {
+			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+				__func__, retval, pipe);
+		}
+
+		break;
+	case IOCTL_VSTUSB_RECV_PIPE:
+
+		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
+			mutex_unlock(&vstdev->lock);
+			retval = -EINVAL;
+			goto exit;
+		}
+
+		buffer = kmalloc(usb_data.count, GFP_KERNEL);
+		if (buffer == NULL) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!urb) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		timeout = usb_data.timeout_ms;
+
+		pipe = usb_rcvbulkpipe(dev, usb_data.pipe);
+
+		usb_anchor_urb(urb, &vstdev->submitted);
+		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
+						  usb_data.count, &done);
+		mutex_unlock(&vstdev->lock);
+		if (retval) {
+			usb_unanchor_urb(urb);
+			dev_err(&dev->dev,
+				"%s: error %d filling and sending urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+		if (retval) {
+			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		if (copy_to_user(usb_data.buffer, buffer, cnt)) {
+			dev_err(&dev->dev, "%s: can't copy_to_user\n",
+				__func__);
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		usb_data.count = cnt;
+		if (copy_to_user(data, &usb_data, sizeof(struct vstusb_args))) {
+			dev_err(&dev->dev, "%s: can't copy_to_user\n",
+				__func__);
+			retval = -EFAULT;
+		} else {
+			dev_dbg(&dev->dev, "%s: recv %d bytes from pipe %d\n",
+				__func__, usb_data.count, usb_data.pipe);
+		}
+
+		break;
+
+	default:
+		mutex_unlock(&vstdev->lock);
+		dev_warn(&dev->dev, "ioctl_vstusb: invalid ioctl cmd %x\n",
+			 cmd);
+		return -EINVAL;
+		break;
+	}
+exit:
+	usb_free_urb(urb);
+	kfree(buffer);
+	return retval;
+}
+
+static const struct file_operations vstusb_fops = {
+	.owner =                THIS_MODULE,
+	.read =                 vstusb_read,
+	.write =                vstusb_write,
+	.unlocked_ioctl =       vstusb_ioctl,
+	.compat_ioctl =         vstusb_ioctl,
+	.open =                 vstusb_open,
+	.release =              vstusb_release,
+};
+
+static struct usb_class_driver usb_vstusb_class = {
+	.name =         "usb/vstusb%d",
+	.fops =         &vstusb_fops,
+	.minor_base =   VSTUSB_MINOR_BASE,
+};
+
+static int vstusb_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
+{
+	struct usb_device *dev = interface_to_usbdev(intf);
+	struct vstusb_device *vstdev;
+	int i;
+	int retval = 0;
+
+	/* allocate memory for our device state and intialize it */
+
+	vstdev = kzalloc(sizeof(*vstdev), GFP_KERNEL);
+	if (vstdev == NULL)
+		return -ENOMEM;
+
+	/* must do usb_get_dev() prior to kref_init() since the kref_put()
+	 * release function will do a usb_put_dev() */
+	usb_get_dev(dev);
+	kref_init(&vstdev->kref);
+	mutex_init(&vstdev->lock);
+
+	i = dev->descriptor.bcdDevice;
+
+	dev_dbg(&intf->dev, "Version %1d%1d.%1d%1d found at address %d\n",
+		(i & 0xF000) >> 12, (i & 0xF00) >> 8,
+		(i & 0xF0) >> 4, (i & 0xF), dev->devnum);
+
+	vstdev->present = 1;
+	vstdev->isopen = 0;
+	vstdev->usb_dev = dev;
+	init_usb_anchor(&vstdev->submitted);
+
+	usb_set_intfdata(intf, vstdev);
+	retval = usb_register_dev(intf, &usb_vstusb_class);
+	if (retval) {
+		dev_err(&intf->dev,
+			"%s: Not able to get a minor for this device.\n",
+			__func__);
+		usb_set_intfdata(intf, NULL);
+		kref_put(&vstdev->kref, vstusb_delete);
+		return retval;
+	}
+
+	/* let the user know what node this device is now attached to */
+	dev_info(&intf->dev,
+		 "VST USB Device #%d now attached to major %d minor %d\n",
+		 (intf->minor - VSTUSB_MINOR_BASE), USB_MAJOR, intf->minor);
+
+	dev_info(&intf->dev, "%s, %s\n", DRIVER_DESC, DRIVER_VERSION);
+
+	return retval;
+}
+
+static void vstusb_disconnect(struct usb_interface *intf)
+{
+	struct vstusb_device *vstdev = usb_get_intfdata(intf);
+
+	usb_deregister_dev(intf, &usb_vstusb_class);
+	usb_set_intfdata(intf, NULL);
+
+	if (vstdev) {
+
+		mutex_lock(&vstdev->lock);
+		vstdev->present = 0;
+
+		usb_kill_anchored_urbs(&vstdev->submitted);
+
+		mutex_unlock(&vstdev->lock);
+
+		kref_put(&vstdev->kref, vstusb_delete);
+	}
+
+}
+
+static int vstusb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct vstusb_device *vstdev = usb_get_intfdata(intf);
+	int time;
+	if (!vstdev)
+		return 0;
+
+	mutex_lock(&vstdev->lock);
+	time = usb_wait_anchor_empty_timeout(&vstdev->submitted, 1000);
+	if (!time)
+		usb_kill_anchored_urbs(&vstdev->submitted);
+	mutex_unlock(&vstdev->lock);
+
+	return 0;
+}
+
+static int vstusb_resume(struct usb_interface *intf)
+{
+	return 0;
+}
+
+static struct usb_driver vstusb_driver = {
+	.name =         "vstusb",
+	.probe =        vstusb_probe,
+	.disconnect =   vstusb_disconnect,
+	.suspend =      vstusb_suspend,
+	.resume =       vstusb_resume,
+	.id_table = id_table,
+};
+
+static int __init vstusb_init(void)
+{
+	int rc;
+
+	rc = usb_register(&vstusb_driver);
+	if (rc)
+		printk(KERN_ERR "%s: failed to register (%d)", __func__, rc);
+
+	return rc;
+}
+
+static void __exit vstusb_exit(void)
+{
+	usb_deregister(&vstusb_driver);
+}
+
+module_init(vstusb_init);
+module_exit(vstusb_exit);
+
+MODULE_AUTHOR("Dennis O'Brien/Stephen Ware");
+MODULE_DESCRIPTION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index 6566fc0a322..c9de3f027aa 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1162,9 +1162,9 @@ int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus)
 	if (minor >= MON_BIN_MAX_MINOR)
 		return 0;
 
-	dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL,
-				    MKDEV(MAJOR(mon_bin_dev0), minor), NULL,
-				    "usbmon%d", minor);
+	dev = device_create(mon_bin_class, ubus ? ubus->controller : NULL,
+			    MKDEV(MAJOR(mon_bin_dev0), minor), NULL,
+			    "usbmon%d", minor);
 	if (IS_ERR(dev))
 		return 0;
 
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 442d8076b20..5e0ab4201c0 100644
--- a/drivers/usb/mon/mon_main.c
+++ b/drivers/usb/mon/mon_main.c
@@ -361,12 +361,12 @@ static int __init mon_init(void)
 	}
 	// MOD_INC_USE_COUNT(which_module?);
 
-	usb_register_notify(&mon_nb);
 
 	mutex_lock(&usb_bus_list_lock);
 	list_for_each_entry (ubus, &usb_bus_list, bus_list) {
 		mon_bus_init(ubus);
 	}
+	usb_register_notify(&mon_nb);
 	mutex_unlock(&usb_bus_list_lock);
 	return 0;
 
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 58b2b8fc943..4b9542bbb35 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -33,10 +33,6 @@ config USB_MUSB_SOC
 	default y if ARCH_DAVINCI
 	default y if ARCH_OMAP2430
 	default y if ARCH_OMAP34XX
-	help
-	  Use a static <asm/arch/hdrc_cnf.h> file to describe how the
-	  controller is configured (endpoints, mechanisms, etc) on the
-	  current iteration of a given system-on-chip.
 
 comment "DaVinci 644x USB support"
 	depends on USB_MUSB_HDRC && ARCH_DAVINCI
diff --git a/drivers/usb/musb/cppi_dma.h b/drivers/usb/musb/cppi_dma.h
index fc5216b5d2c..729b4071787 100644
--- a/drivers/usb/musb/cppi_dma.h
+++ b/drivers/usb/musb/cppi_dma.h
@@ -119,8 +119,8 @@ struct cppi {
 	void __iomem			*mregs;		/* Mentor regs */
 	void __iomem			*tibase;	/* TI/CPPI regs */
 
-	struct cppi_channel		tx[MUSB_C_NUM_EPT - 1];
-	struct cppi_channel		rx[MUSB_C_NUM_EPR - 1];
+	struct cppi_channel		tx[4];
+	struct cppi_channel		rx[4];
 
 	struct dma_pool			*pool;
 
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 75baf181a8c..dfb3bcbe00f 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -30,6 +30,7 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/gpio.h>
 
 #include <asm/arch/hardware.h>
 #include <asm/arch/memory.h>
@@ -39,7 +40,7 @@
 #include "musb_core.h"
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
-#include <asm/arch/i2c-client.h>
+#define GPIO_nVBUS_DRV		87
 #endif
 
 #include "davinci.h"
@@ -138,7 +139,6 @@ static int vbus_state = -1;
 /* VBUS SWITCHING IS BOARD-SPECIFIC */
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
-#ifndef CONFIG_MACH_DAVINCI_EVM_OTG
 
 /* I2C operations are always synchronous, and require a task context.
  * With unloaded systems, using the shared workqueue seems to suffice
@@ -146,12 +146,11 @@ static int vbus_state = -1;
  */
 static void evm_deferred_drvvbus(struct work_struct *ignored)
 {
-	davinci_i2c_expander_op(0x3a, USB_DRVVBUS, vbus_state);
+	gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state);
 	vbus_state = !vbus_state;
 }
 static DECLARE_WORK(evm_vbus_work, evm_deferred_drvvbus);
 
-#endif	/* modified board */
 #endif	/* EVM */
 
 static void davinci_source_power(struct musb *musb, int is_on, int immediate)
@@ -165,21 +164,10 @@ static void davinci_source_power(struct musb *musb, int is_on, int immediate)
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
 	if (machine_is_davinci_evm()) {
-#ifdef CONFIG_MACH_DAVINCI_EVM_OTG
-		/* modified EVM board switching VBUS with GPIO(6) not I2C
-		 * NOTE:  PINMUX0.RGB888 (bit23) must be clear
-		 */
-		if (is_on)
-			gpio_set(GPIO(6));
-		else
-			gpio_clear(GPIO(6));
-		immediate = 1;
-#else
 		if (immediate)
-			davinci_i2c_expander_op(0x3a, USB_DRVVBUS, !is_on);
+			gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state);
 		else
 			schedule_work(&evm_vbus_work);
-#endif
 	}
 #endif
 	if (immediate)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 128e949db47..4a35745b30b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -82,9 +82,9 @@
 /*
  * This gets many kinds of configuration information:
  *	- Kconfig for everything user-configurable
- *	- <asm/arch/hdrc_cnf.h> for SOC or family details
  *	- platform_device for addressing, irq, and platform_data
  *	- platform_data is mostly for board-specific informarion
+ *	  (plus recentrly, SOC or family details)
  *
  * Most of the conditional compilation will (someday) vanish.
  */
@@ -974,9 +974,9 @@ static void musb_shutdown(struct platform_device *pdev)
 /*
  * The silicon either has hard-wired endpoint configurations, or else
  * "dynamic fifo" sizing.  The driver has support for both, though at this
- * writing only the dynamic sizing is very well tested.   We use normal
- * idioms to so both modes are compile-tested, but dead code elimination
- * leaves only the relevant one in the object file.
+ * writing only the dynamic sizing is very well tested.   Since we switched
+ * away from compile-time hardware parameters, we can no longer rely on
+ * dead code elimination to leave only the relevant one in the object file.
  *
  * We don't currently use dynamic fifo setup capability to do anything
  * more than selecting one of a bunch of predefined configurations.
@@ -1806,6 +1806,7 @@ allocate_instance(struct device *dev,
 	musb->ctrl_base = mbase;
 	musb->nIrq = -ENODEV;
 	musb->config = config;
+	BUG_ON(musb->config->num_eps > MUSB_C_NUM_EPS);
 	for (epnum = 0, ep = musb->endpoints;
 			epnum < musb->config->num_eps;
 			epnum++, ep++) {
@@ -2054,15 +2055,6 @@ bad_config:
 
 	}
 
-	return 0;
-
-fail:
-	if (musb->clock)
-		clk_put(musb->clock);
-	device_init_wakeup(dev, 0);
-	musb_free(musb);
-	return status;
-
 #ifdef CONFIG_SYSFS
 	status = device_create_file(dev, &dev_attr_mode);
 	status = device_create_file(dev, &dev_attr_vbus);
@@ -2071,12 +2063,31 @@ fail:
 #endif /* CONFIG_USB_GADGET_MUSB_HDRC */
 	status = 0;
 #endif
+	if (status)
+		goto fail2;
 
-	return status;
+	return 0;
 
 fail2:
+#ifdef CONFIG_SYSFS
+	device_remove_file(musb->controller, &dev_attr_mode);
+	device_remove_file(musb->controller, &dev_attr_vbus);
+#ifdef CONFIG_USB_MUSB_OTG
+	device_remove_file(musb->controller, &dev_attr_srp);
+#endif
+#endif
 	musb_platform_exit(musb);
-	goto fail;
+fail:
+	dev_err(musb->controller,
+		"musb_init_controller failed with status %d\n", status);
+
+	if (musb->clock)
+		clk_put(musb->clock);
+	device_init_wakeup(dev, 0);
+	musb_free(musb);
+
+	return status;
+
 }
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index a57652fff39..3f5e30ddfa2 100644
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -437,7 +437,7 @@ static void ep0_rxstate(struct musb *musb)
 {
 	void __iomem		*regs = musb->control_ep->regs;
 	struct usb_request	*req;
-	u16			tmp;
+	u16			count, csr;
 
 	req = next_ep0_request(musb);
 
@@ -449,35 +449,35 @@ static void ep0_rxstate(struct musb *musb)
 		unsigned	len = req->length - req->actual;
 
 		/* read the buffer */
-		tmp = musb_readb(regs, MUSB_COUNT0);
-		if (tmp > len) {
+		count = musb_readb(regs, MUSB_COUNT0);
+		if (count > len) {
 			req->status = -EOVERFLOW;
-			tmp = len;
+			count = len;
 		}
-		musb_read_fifo(&musb->endpoints[0], tmp, buf);
-		req->actual += tmp;
-		tmp = MUSB_CSR0_P_SVDRXPKTRDY;
-		if (tmp < 64 || req->actual == req->length) {
+		musb_read_fifo(&musb->endpoints[0], count, buf);
+		req->actual += count;
+		csr = MUSB_CSR0_P_SVDRXPKTRDY;
+		if (count < 64 || req->actual == req->length) {
 			musb->ep0_state = MUSB_EP0_STAGE_STATUSIN;
-			tmp |= MUSB_CSR0_P_DATAEND;
+			csr |= MUSB_CSR0_P_DATAEND;
 		} else
 			req = NULL;
 	} else
-		tmp = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL;
+		csr = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL;
 
 
 	/* Completion handler may choose to stall, e.g. because the
 	 * message just received holds invalid data.
 	 */
 	if (req) {
-		musb->ackpend = tmp;
+		musb->ackpend = csr;
 		musb_g_ep0_giveback(musb, req);
 		if (!musb->ackpend)
 			return;
 		musb->ackpend = 0;
 	}
 	musb_ep_select(musb->mregs, 0);
-	musb_writew(regs, MUSB_CSR0, tmp);
+	musb_writew(regs, MUSB_CSR0, csr);
 }
 
 /*
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 8b4be012669..3133990f04e 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -108,7 +108,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 /*
  * Clear TX fifo. Needed to avoid BABBLE errors.
  */
-static inline void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
+static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
 {
 	void __iomem	*epio = ep->regs;
 	u16		csr;
@@ -291,6 +291,7 @@ __acquires(musb->lock)
 			urb->actual_length, urb->transfer_buffer_length
 			);
 
+	usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb);
 	spin_unlock(&musb->lock);
 	usb_hcd_giveback_urb(musb_to_hcd(musb), urb, status);
 	spin_lock(&musb->lock);
@@ -353,8 +354,6 @@ musb_giveback(struct musb_qh *qh, struct urb *urb, int status)
 		break;
 	}
 
-	usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb);
-
 	qh->is_ready = 0;
 	__musb_giveback(musb, urb, status);
 	qh->is_ready = ready;
@@ -436,7 +435,7 @@ musb_advance_schedule(struct musb *musb, struct urb *urb,
 	}
 }
 
-static inline u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr)
+static u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr)
 {
 	/* we don't want fifo to fill itself again;
 	 * ignore dma (various models),
@@ -1005,7 +1004,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb)
 
 /*
  * Handle default endpoint interrupt as host. Only called in IRQ time
- * from the LinuxIsr() interrupt service routine.
+ * from musb_interrupt().
  *
  * called with controller irqlocked
  */
@@ -1791,7 +1790,9 @@ static int musb_urb_enqueue(
 	 */
 	qh = kzalloc(sizeof *qh, mem_flags);
 	if (!qh) {
+		spin_lock_irqsave(&musb->lock, flags);
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
+		spin_unlock_irqrestore(&musb->lock, flags);
 		return -ENOMEM;
 	}
 
@@ -1873,7 +1874,11 @@ static int musb_urb_enqueue(
 			/* set up tt info if needed */
 			if (urb->dev->tt) {
 				qh->h_port_reg = (u8) urb->dev->ttport;
-				qh->h_addr_reg |= 0x80;
+				if (urb->dev->tt->hub)
+					qh->h_addr_reg =
+						(u8) urb->dev->tt->hub->devnum;
+				if (urb->dev->tt->multi)
+					qh->h_addr_reg |= 0x80;
 			}
 		}
 	}
@@ -1903,7 +1908,9 @@ static int musb_urb_enqueue(
 
 done:
 	if (ret != 0) {
+		spin_lock_irqsave(&musb->lock, flags);
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
+		spin_unlock_irqrestore(&musb->lock, flags);
 		kfree(qh);
 	}
 	return ret;
diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h
index 6bbedae83af..223f0a51409 100644
--- a/drivers/usb/musb/musb_io.h
+++ b/drivers/usb/musb/musb_io.h
@@ -37,7 +37,9 @@
 
 #include <linux/io.h>
 
-#ifndef	CONFIG_ARM
+#if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
+	&& !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
+	&& !defined(CONFIG_PPC64)
 static inline void readsl(const void __iomem *addr, void *buf, int len)
 	{ insl((unsigned long)addr, buf, len); }
 static inline void readsw(const void __iomem *addr, void *buf, int len)
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 9ba8fb7fcd2..8c734ef2c1e 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -45,8 +45,8 @@
 #define MUSB_HSDMA_ADDRESS		0x8
 #define MUSB_HSDMA_COUNT		0xc
 
-#define MUSB_HSDMA_CHANNEL_OFFSET(_bChannel, _offset)		\
-		(MUSB_HSDMA_BASE + (_bChannel << 4) + _offset)
+#define MUSB_HSDMA_CHANNEL_OFFSET(_bchannel, _offset)		\
+		(MUSB_HSDMA_BASE + (_bchannel << 4) + _offset)
 
 /* control register (16-bit): */
 #define MUSB_HSDMA_ENABLE_SHIFT		0
@@ -67,23 +67,23 @@
 struct musb_dma_controller;
 
 struct musb_dma_channel {
-	struct dma_channel		Channel;
+	struct dma_channel		channel;
 	struct musb_dma_controller	*controller;
-	u32				dwStartAddress;
+	u32				start_addr;
 	u32				len;
-	u16				wMaxPacketSize;
-	u8				bIndex;
+	u16				max_packet_sz;
+	u8				idx;
 	u8				epnum;
 	u8				transmit;
 };
 
 struct musb_dma_controller {
-	struct dma_controller		Controller;
-	struct musb_dma_channel		aChannel[MUSB_HSDMA_CHANNELS];
-	void				*pDmaPrivate;
-	void __iomem			*pCoreBase;
-	u8				bChannelCount;
-	u8				bmUsedChannels;
+	struct dma_controller		controller;
+	struct musb_dma_channel		channel[MUSB_HSDMA_CHANNELS];
+	void				*private_data;
+	void __iomem			*base;
+	u8				channel_count;
+	u8				used_channels;
 	u8				irq;
 };
 
@@ -93,91 +93,91 @@ static int dma_controller_start(struct dma_controller *c)
 	return 0;
 }
 
-static void dma_channel_release(struct dma_channel *pChannel);
+static void dma_channel_release(struct dma_channel *channel);
 
 static int dma_controller_stop(struct dma_controller *c)
 {
-	struct musb_dma_controller *controller =
-		container_of(c, struct musb_dma_controller, Controller);
-	struct musb *musb = (struct musb *) controller->pDmaPrivate;
-	struct dma_channel *pChannel;
-	u8 bBit;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
+	struct musb *musb = controller->private_data;
+	struct dma_channel *channel;
+	u8 bit;
 
-	if (controller->bmUsedChannels != 0) {
+	if (controller->used_channels != 0) {
 		dev_err(musb->controller,
 			"Stopping DMA controller while channel active\n");
 
-		for (bBit = 0; bBit < MUSB_HSDMA_CHANNELS; bBit++) {
-			if (controller->bmUsedChannels & (1 << bBit)) {
-				pChannel = &controller->aChannel[bBit].Channel;
-				dma_channel_release(pChannel);
+		for (bit = 0; bit < MUSB_HSDMA_CHANNELS; bit++) {
+			if (controller->used_channels & (1 << bit)) {
+				channel = &controller->channel[bit].channel;
+				dma_channel_release(channel);
 
-				if (!controller->bmUsedChannels)
+				if (!controller->used_channels)
 					break;
 			}
 		}
 	}
+
 	return 0;
 }
 
 static struct dma_channel *dma_channel_allocate(struct dma_controller *c,
 				struct musb_hw_ep *hw_ep, u8 transmit)
 {
-	u8 bBit;
-	struct dma_channel *pChannel = NULL;
-	struct musb_dma_channel *pImplChannel = NULL;
-	struct musb_dma_controller *controller =
-			container_of(c, struct musb_dma_controller, Controller);
-
-	for (bBit = 0; bBit < MUSB_HSDMA_CHANNELS; bBit++) {
-		if (!(controller->bmUsedChannels & (1 << bBit))) {
-			controller->bmUsedChannels |= (1 << bBit);
-			pImplChannel = &(controller->aChannel[bBit]);
-			pImplChannel->controller = controller;
-			pImplChannel->bIndex = bBit;
-			pImplChannel->epnum = hw_ep->epnum;
-			pImplChannel->transmit = transmit;
-			pChannel = &(pImplChannel->Channel);
-			pChannel->private_data = pImplChannel;
-			pChannel->status = MUSB_DMA_STATUS_FREE;
-			pChannel->max_len = 0x10000;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
+	struct musb_dma_channel *musb_channel = NULL;
+	struct dma_channel *channel = NULL;
+	u8 bit;
+
+	for (bit = 0; bit < MUSB_HSDMA_CHANNELS; bit++) {
+		if (!(controller->used_channels & (1 << bit))) {
+			controller->used_channels |= (1 << bit);
+			musb_channel = &(controller->channel[bit]);
+			musb_channel->controller = controller;
+			musb_channel->idx = bit;
+			musb_channel->epnum = hw_ep->epnum;
+			musb_channel->transmit = transmit;
+			channel = &(musb_channel->channel);
+			channel->private_data = musb_channel;
+			channel->status = MUSB_DMA_STATUS_FREE;
+			channel->max_len = 0x10000;
 			/* Tx => mode 1; Rx => mode 0 */
-			pChannel->desired_mode = transmit;
-			pChannel->actual_len = 0;
+			channel->desired_mode = transmit;
+			channel->actual_len = 0;
 			break;
 		}
 	}
-	return pChannel;
+
+	return channel;
 }
 
-static void dma_channel_release(struct dma_channel *pChannel)
+static void dma_channel_release(struct dma_channel *channel)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
+	struct musb_dma_channel *musb_channel = channel->private_data;
 
-	pChannel->actual_len = 0;
-	pImplChannel->dwStartAddress = 0;
-	pImplChannel->len = 0;
+	channel->actual_len = 0;
+	musb_channel->start_addr = 0;
+	musb_channel->len = 0;
 
-	pImplChannel->controller->bmUsedChannels &=
-		~(1 << pImplChannel->bIndex);
+	musb_channel->controller->used_channels &=
+		~(1 << musb_channel->idx);
 
-	pChannel->status = MUSB_DMA_STATUS_UNKNOWN;
+	channel->status = MUSB_DMA_STATUS_UNKNOWN;
 }
 
-static void configure_channel(struct dma_channel *pChannel,
+static void configure_channel(struct dma_channel *channel,
 				u16 packet_sz, u8 mode,
 				dma_addr_t dma_addr, u32 len)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
-	struct musb_dma_controller *controller = pImplChannel->controller;
-	void __iomem *mbase = controller->pCoreBase;
-	u8 bChannel = pImplChannel->bIndex;
+	struct musb_dma_channel *musb_channel = channel->private_data;
+	struct musb_dma_controller *controller = musb_channel->controller;
+	void __iomem *mbase = controller->base;
+	u8 bchannel = musb_channel->idx;
 	u16 csr = 0;
 
 	DBG(4, "%p, pkt_sz %d, addr 0x%x, len %d, mode %d\n",
-			pChannel, packet_sz, dma_addr, len, mode);
+			channel, packet_sz, dma_addr, len, mode);
 
 	if (mode) {
 		csr |= 1 << MUSB_HSDMA_MODE1_SHIFT;
@@ -195,180 +195,183 @@ static void configure_channel(struct dma_channel *pChannel,
 		}
 	}
 
-	csr |= (pImplChannel->epnum << MUSB_HSDMA_ENDPOINT_SHIFT)
+	csr |= (musb_channel->epnum << MUSB_HSDMA_ENDPOINT_SHIFT)
 		| (1 << MUSB_HSDMA_ENABLE_SHIFT)
 		| (1 << MUSB_HSDMA_IRQENABLE_SHIFT)
-		| (pImplChannel->transmit
+		| (musb_channel->transmit
 				? (1 << MUSB_HSDMA_TRANSMIT_SHIFT)
 				: 0);
 
 	/* address/count */
 	musb_writel(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_ADDRESS),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS),
 		dma_addr);
 	musb_writel(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_COUNT),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT),
 		len);
 
 	/* control (this should start things) */
 	musb_writew(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_CONTROL),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_CONTROL),
 		csr);
 }
 
-static int dma_channel_program(struct dma_channel *pChannel,
+static int dma_channel_program(struct dma_channel *channel,
 				u16 packet_sz, u8 mode,
 				dma_addr_t dma_addr, u32 len)
 {
-	struct musb_dma_channel *pImplChannel =
-			(struct musb_dma_channel *) pChannel->private_data;
+	struct musb_dma_channel *musb_channel = channel->private_data;
 
 	DBG(2, "ep%d-%s pkt_sz %d, dma_addr 0x%x length %d, mode %d\n",
-		pImplChannel->epnum,
-		pImplChannel->transmit ? "Tx" : "Rx",
+		musb_channel->epnum,
+		musb_channel->transmit ? "Tx" : "Rx",
 		packet_sz, dma_addr, len, mode);
 
-	BUG_ON(pChannel->status == MUSB_DMA_STATUS_UNKNOWN ||
-		pChannel->status == MUSB_DMA_STATUS_BUSY);
+	BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN ||
+		channel->status == MUSB_DMA_STATUS_BUSY);
 
-	pChannel->actual_len = 0;
-	pImplChannel->dwStartAddress = dma_addr;
-	pImplChannel->len = len;
-	pImplChannel->wMaxPacketSize = packet_sz;
-	pChannel->status = MUSB_DMA_STATUS_BUSY;
+	channel->actual_len = 0;
+	musb_channel->start_addr = dma_addr;
+	musb_channel->len = len;
+	musb_channel->max_packet_sz = packet_sz;
+	channel->status = MUSB_DMA_STATUS_BUSY;
 
 	if ((mode == 1) && (len >= packet_sz))
-		configure_channel(pChannel, packet_sz, 1, dma_addr, len);
+		configure_channel(channel, packet_sz, 1, dma_addr, len);
 	else
-		configure_channel(pChannel, packet_sz, 0, dma_addr, len);
+		configure_channel(channel, packet_sz, 0, dma_addr, len);
 
 	return true;
 }
 
-static int dma_channel_abort(struct dma_channel *pChannel)
+static int dma_channel_abort(struct dma_channel *channel)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
-	u8 bChannel = pImplChannel->bIndex;
-	void __iomem *mbase = pImplChannel->controller->pCoreBase;
+	struct musb_dma_channel *musb_channel = channel->private_data;
+	void __iomem *mbase = musb_channel->controller->base;
+
+	u8 bchannel = musb_channel->idx;
 	u16 csr;
 
-	if (pChannel->status == MUSB_DMA_STATUS_BUSY) {
-		if (pImplChannel->transmit) {
+	if (channel->status == MUSB_DMA_STATUS_BUSY) {
+		if (musb_channel->transmit) {
 
 			csr = musb_readw(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
+				MUSB_EP_OFFSET(musb_channel->epnum,
 						MUSB_TXCSR));
 			csr &= ~(MUSB_TXCSR_AUTOSET |
 				 MUSB_TXCSR_DMAENAB |
 				 MUSB_TXCSR_DMAMODE);
 			musb_writew(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
-						MUSB_TXCSR),
+				MUSB_EP_OFFSET(musb_channel->epnum, MUSB_TXCSR),
 				csr);
 		} else {
 			csr = musb_readw(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
+				MUSB_EP_OFFSET(musb_channel->epnum,
 						MUSB_RXCSR));
 			csr &= ~(MUSB_RXCSR_AUTOCLEAR |
 				 MUSB_RXCSR_DMAENAB |
 				 MUSB_RXCSR_DMAMODE);
 			musb_writew(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
-						MUSB_RXCSR),
+				MUSB_EP_OFFSET(musb_channel->epnum, MUSB_RXCSR),
 				csr);
 		}
 
 		musb_writew(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_CONTROL),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_CONTROL),
 			0);
 		musb_writel(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_ADDRESS),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS),
 			0);
 		musb_writel(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_COUNT),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT),
 			0);
 
-		pChannel->status = MUSB_DMA_STATUS_FREE;
+		channel->status = MUSB_DMA_STATUS_FREE;
 	}
+
 	return 0;
 }
 
 static irqreturn_t dma_controller_irq(int irq, void *private_data)
 {
-	struct musb_dma_controller *controller =
-		(struct musb_dma_controller *)private_data;
-	struct musb_dma_channel *pImplChannel;
-	struct musb *musb = controller->pDmaPrivate;
-	void __iomem *mbase = controller->pCoreBase;
-	struct dma_channel *pChannel;
-	u8 bChannel;
-	u16 csr;
-	u32 dwAddress;
-	u8 int_hsdma;
+	struct musb_dma_controller *controller = private_data;
+	struct musb *musb = controller->private_data;
+	struct musb_dma_channel *musb_channel;
+	struct dma_channel *channel;
+
+	void __iomem *mbase = controller->base;
+
 	irqreturn_t retval = IRQ_NONE;
+
 	unsigned long flags;
 
+	u8 bchannel;
+	u8 int_hsdma;
+
+	u32 addr;
+	u16 csr;
+
 	spin_lock_irqsave(&musb->lock, flags);
 
 	int_hsdma = musb_readb(mbase, MUSB_HSDMA_INTR);
 	if (!int_hsdma)
 		goto done;
 
-	for (bChannel = 0; bChannel < MUSB_HSDMA_CHANNELS; bChannel++) {
-		if (int_hsdma & (1 << bChannel)) {
-			pImplChannel = (struct musb_dma_channel *)
-					&(controller->aChannel[bChannel]);
-			pChannel = &pImplChannel->Channel;
+	for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) {
+		if (int_hsdma & (1 << bchannel)) {
+			musb_channel = (struct musb_dma_channel *)
+					&(controller->channel[bchannel]);
+			channel = &musb_channel->channel;
 
 			csr = musb_readw(mbase,
-					MUSB_HSDMA_CHANNEL_OFFSET(bChannel,
+					MUSB_HSDMA_CHANNEL_OFFSET(bchannel,
 							MUSB_HSDMA_CONTROL));
 
-			if (csr & (1 << MUSB_HSDMA_BUSERROR_SHIFT))
-				pImplChannel->Channel.status =
+			if (csr & (1 << MUSB_HSDMA_BUSERROR_SHIFT)) {
+				musb_channel->channel.status =
 					MUSB_DMA_STATUS_BUS_ABORT;
-			else {
+			} else {
 				u8 devctl;
 
-				dwAddress = musb_readl(mbase,
+				addr = musb_readl(mbase,
 						MUSB_HSDMA_CHANNEL_OFFSET(
-							bChannel,
+							bchannel,
 							MUSB_HSDMA_ADDRESS));
-				pChannel->actual_len = dwAddress
-					- pImplChannel->dwStartAddress;
+				channel->actual_len = addr
+					- musb_channel->start_addr;
 
 				DBG(2, "ch %p, 0x%x -> 0x%x (%d / %d) %s\n",
-					pChannel, pImplChannel->dwStartAddress,
-					dwAddress, pChannel->actual_len,
-					pImplChannel->len,
-					(pChannel->actual_len
-						< pImplChannel->len) ?
+					channel, musb_channel->start_addr,
+					addr, channel->actual_len,
+					musb_channel->len,
+					(channel->actual_len
+						< musb_channel->len) ?
 					"=> reconfig 0" : "=> complete");
 
 				devctl = musb_readb(mbase, MUSB_DEVCTL);
 
-				pChannel->status = MUSB_DMA_STATUS_FREE;
+				channel->status = MUSB_DMA_STATUS_FREE;
 
 				/* completed */
 				if ((devctl & MUSB_DEVCTL_HM)
-					&& (pImplChannel->transmit)
-					&& ((pChannel->desired_mode == 0)
-					    || (pChannel->actual_len &
-					    (pImplChannel->wMaxPacketSize - 1)))
+					&& (musb_channel->transmit)
+					&& ((channel->desired_mode == 0)
+					    || (channel->actual_len &
+					    (musb_channel->max_packet_sz - 1)))
 					 ) {
 					/* Send out the packet */
 					musb_ep_select(mbase,
-						pImplChannel->epnum);
+						musb_channel->epnum);
 					musb_writew(mbase, MUSB_EP_OFFSET(
-							pImplChannel->epnum,
+							musb_channel->epnum,
 							MUSB_TXCSR),
 						MUSB_TXCSR_TXPKTRDY);
-				} else
+				} else {
 					musb_dma_completion(
 						musb,
-						pImplChannel->epnum,
-						pImplChannel->transmit);
+						musb_channel->epnum,
+						musb_channel->transmit);
+				}
 			}
 		}
 	}
@@ -380,9 +383,9 @@ done:
 
 void dma_controller_destroy(struct dma_controller *c)
 {
-	struct musb_dma_controller *controller;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
 
-	controller = container_of(c, struct musb_dma_controller, Controller);
 	if (!controller)
 		return;
 
@@ -393,7 +396,7 @@ void dma_controller_destroy(struct dma_controller *c)
 }
 
 struct dma_controller *__init
-dma_controller_create(struct musb *musb, void __iomem *pCoreBase)
+dma_controller_create(struct musb *musb, void __iomem *base)
 {
 	struct musb_dma_controller *controller;
 	struct device *dev = musb->controller;
@@ -405,29 +408,30 @@ dma_controller_create(struct musb *musb, void __iomem *pCoreBase)
 		return NULL;
 	}
 
-	controller = kzalloc(sizeof(struct musb_dma_controller), GFP_KERNEL);
+	controller = kzalloc(sizeof(*controller), GFP_KERNEL);
 	if (!controller)
 		return NULL;
 
-	controller->bChannelCount = MUSB_HSDMA_CHANNELS;
-	controller->pDmaPrivate = musb;
-	controller->pCoreBase = pCoreBase;
+	controller->channel_count = MUSB_HSDMA_CHANNELS;
+	controller->private_data = musb;
+	controller->base = base;
 
-	controller->Controller.start = dma_controller_start;
-	controller->Controller.stop = dma_controller_stop;
-	controller->Controller.channel_alloc = dma_channel_allocate;
-	controller->Controller.channel_release = dma_channel_release;
-	controller->Controller.channel_program = dma_channel_program;
-	controller->Controller.channel_abort = dma_channel_abort;
+	controller->controller.start = dma_controller_start;
+	controller->controller.stop = dma_controller_stop;
+	controller->controller.channel_alloc = dma_channel_allocate;
+	controller->controller.channel_release = dma_channel_release;
+	controller->controller.channel_program = dma_channel_program;
+	controller->controller.channel_abort = dma_channel_abort;
 
 	if (request_irq(irq, dma_controller_irq, IRQF_DISABLED,
-			musb->controller->bus_id, &controller->Controller)) {
+			musb->controller->bus_id, &controller->controller)) {
 		dev_err(dev, "request_irq %d failed!\n", irq);
-		dma_controller_destroy(&controller->Controller);
+		dma_controller_destroy(&controller->controller);
+
 		return NULL;
 	}
 
 	controller->irq = irq;
 
-	return &controller->Controller;
+	return &controller->controller;
 }
diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index 79ea98c66fa..537f953bd7f 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -220,8 +220,8 @@ static void aircable_send(struct usb_serial_port *port)
 
 	buf = kzalloc(count + HCI_HEADER_LENGTH, GFP_ATOMIC);
 	if (!buf) {
-		err("%s- kzalloc(%d) failed.", __func__,
-		    count + HCI_HEADER_LENGTH);
+		dev_err(&port->dev, "%s- kzalloc(%d) failed.\n",
+			__func__, count + HCI_HEADER_LENGTH);
 		return;
 	}
 
@@ -272,23 +272,24 @@ static void aircable_read(struct work_struct *work)
 	 * 64 bytes, to ensure I do not get throttled.
 	 * Ask USB mailing list for better aproach.
 	 */
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 
 	if (!tty) {
 		schedule_work(&priv->rx_work);
-		err("%s - No tty available", __func__);
+		dev_err(&port->dev, "%s - No tty available\n", __func__);
 		return ;
 	}
 
 	count = min(64, serial_buf_data_avail(priv->rx_buf));
 
 	if (count <= 0)
-		return; /* We have finished sending everything. */
+		goto out; /* We have finished sending everything. */
 
 	tty_prepare_flip_string(tty, &data, count);
 	if (!data) {
-		err("%s- kzalloc(%d) failed.", __func__, count);
-		return;
+		dev_err(&port->dev, "%s- kzalloc(%d) failed.",
+							__func__, count);
+		goto out;
 	}
 
 	serial_buf_get(priv->rx_buf, data, count);
@@ -297,7 +298,8 @@ static void aircable_read(struct work_struct *work)
 
 	if (serial_buf_data_avail(priv->rx_buf))
 		schedule_work(&priv->rx_work);
-
+out:		
+	tty_kref_put(tty);
 	return;
 }
 /* End of private methods */
@@ -334,7 +336,7 @@ static int aircable_attach(struct usb_serial *serial)
 
 	priv = kzalloc(sizeof(struct aircable_private), GFP_KERNEL);
 	if (!priv) {
-		err("%s- kmalloc(%Zd) failed.", __func__,
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
 			sizeof(struct aircable_private));
 		return -ENOMEM;
 	}
@@ -495,7 +497,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __func__,
 				urb->actual_length, urb->transfer_buffer);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		if (urb->actual_length <= 2) {
 			/* This is an incomplete package */
@@ -527,6 +529,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
 		}
 		aircable_read(&priv->rx_work);
 	}
+	tty_kref_put(tty);
 
 	/* Schedule the next read _if_ we are still open */
 	if (port->port.count) {
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 2ebe06c3405..b7eacad4d48 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -187,7 +187,7 @@ static int belkin_sa_startup(struct usb_serial *serial)
 	/* see comments at top of file */
 	priv->bad_flow_control =
 		(le16_to_cpu(dev->descriptor.bcdDevice) <= 0x0206) ? 1 : 0;
-	info("bcdDevice: %04x, bfc: %d",
+	dev_info(&dev->dev, "bcdDevice: %04x, bfc: %d\n",
 					le16_to_cpu(dev->descriptor.bcdDevice),
 					priv->bad_flow_control);
 
@@ -228,7 +228,7 @@ static int  belkin_sa_open(struct tty_struct *tty,
 	port->read_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (retval) {
-		err("usb_submit_urb(read bulk) failed");
+		dev_err(&port->dev, "usb_submit_urb(read bulk) failed\n");
 		goto exit;
 	}
 
@@ -236,7 +236,7 @@ static int  belkin_sa_open(struct tty_struct *tty,
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (retval) {
 		usb_kill_urb(port->read_urb);
-		err(" usb_submit_urb(read int) failed");
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 	}
 
 exit:
@@ -322,7 +322,7 @@ static void belkin_sa_read_int_callback(struct urb *urb)
 	 * to look in to this before committing any code.
 	 */
 	if (priv->last_lsr & BELKIN_SA_LSR_ERR) {
-		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		/* Overrun Error */
 		if (priv->last_lsr & BELKIN_SA_LSR_OE) {
 		}
@@ -335,14 +335,15 @@ static void belkin_sa_read_int_callback(struct urb *urb)
 		/* Break Indicator */
 		if (priv->last_lsr & BELKIN_SA_LSR_BI) {
 		}
+		tty_kref_put(tty);
 	}
 #endif
 	spin_unlock_irqrestore(&priv->lock, flags);
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&port->dev, "%s - usb_submit_urb failed with "
+			"result %d\n", __func__, retval);
 }
 
 static void belkin_sa_set_termios(struct tty_struct *tty,
@@ -381,12 +382,12 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		if ((old_cflag & CBAUD) == B0) {
 			control_state |= (TIOCM_DTR|TIOCM_RTS);
 			if (BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, 1) < 0)
-				err("Set DTR error");
+				dev_err(&port->dev, "Set DTR error\n");
 			/* don't set RTS if using hardware flow control */
 			if (!(old_cflag & CRTSCTS))
 				if (BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST
 								, 1) < 0)
-					err("Set RTS error");
+					dev_err(&port->dev, "Set RTS error\n");
 		}
 	}
 
@@ -402,18 +403,18 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		/* Report the actual baud rate back to the caller */
 		tty_encode_baud_rate(tty, baud, baud);
 		if (BSA_USB_CMD(BELKIN_SA_SET_BAUDRATE_REQUEST, urb_value) < 0)
-			err("Set baudrate error");
+			dev_err(&port->dev, "Set baudrate error\n");
 	} else {
 		/* Disable flow control */
 		if (BSA_USB_CMD(BELKIN_SA_SET_FLOW_CTRL_REQUEST,
 						BELKIN_SA_FLOW_NONE) < 0)
-			err("Disable flowcontrol error");
+			dev_err(&port->dev, "Disable flowcontrol error\n");
 		/* Drop RTS and DTR */
 		control_state &= ~(TIOCM_DTR | TIOCM_RTS);
 		if (BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, 0) < 0)
-			err("DTR LOW error");
+			dev_err(&port->dev, "DTR LOW error\n");
 		if (BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST, 0) < 0)
-			err("RTS LOW error");
+			dev_err(&port->dev, "RTS LOW error\n");
 	}
 
 	/* set the parity */
@@ -424,7 +425,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		else
 			urb_value = BELKIN_SA_PARITY_NONE;
 		if (BSA_USB_CMD(BELKIN_SA_SET_PARITY_REQUEST, urb_value) < 0)
-			err("Set parity error");
+			dev_err(&port->dev, "Set parity error\n");
 	}
 
 	/* set the number of data bits */
@@ -447,7 +448,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 			break;
 		}
 		if (BSA_USB_CMD(BELKIN_SA_SET_DATA_BITS_REQUEST, urb_value) < 0)
-			err("Set data bits error");
+			dev_err(&port->dev, "Set data bits error\n");
 	}
 
 	/* set the number of stop bits */
@@ -456,7 +457,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 						: BELKIN_SA_STOP_BITS(1);
 		if (BSA_USB_CMD(BELKIN_SA_SET_STOP_BITS_REQUEST,
 							urb_value) < 0)
-			err("Set stop bits error");
+			dev_err(&port->dev, "Set stop bits error\n");
 	}
 
 	/* Set flow control */
@@ -477,7 +478,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 			urb_value &= ~(BELKIN_SA_FLOW_IRTS);
 
 		if (BSA_USB_CMD(BELKIN_SA_SET_FLOW_CTRL_REQUEST, urb_value) < 0)
-			err("Set flow control error");
+			dev_err(&port->dev, "Set flow control error\n");
 	}
 
 	/* save off the modified port settings */
@@ -493,7 +494,7 @@ static void belkin_sa_break_ctl(struct tty_struct *tty, int break_state)
 	struct usb_serial *serial = port->serial;
 
 	if (BSA_USB_CMD(BELKIN_SA_SET_BREAK_REQUEST, break_state ? 1 : 0) < 0)
-		err("Set break_ctl %d", break_state);
+		dev_err(&port->dev, "Set break_ctl %d\n", break_state);
 }
 
 
@@ -553,13 +554,13 @@ static int belkin_sa_tiocmset(struct tty_struct *tty, struct file *file,
 
 	retval = BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST, rts);
 	if (retval < 0) {
-		err("Set RTS error %d", retval);
+		dev_err(&port->dev, "Set RTS error %d\n", retval);
 		goto exit;
 	}
 
 	retval = BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, dtr);
 	if (retval < 0) {
-		err("Set DTR error %d", retval);
+		dev_err(&port->dev, "Set DTR error %d\n", retval);
 		goto exit;
 	}
 exit:
@@ -576,7 +577,8 @@ static int __init belkin_sa_init(void)
 	retval = usb_register(&belkin_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&belkin_device);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index e980766bb84..5b20de130e0 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -117,7 +117,7 @@ static int usb_console_setup(struct console *co, char *options)
 	}
 
 	port = serial->port[0];
-	port->port.tty = NULL;
+	tty_port_tty_set(&port->port, NULL);
 
 	info->port = port;
 
@@ -143,7 +143,7 @@ static int usb_console_setup(struct console *co, char *options)
 			}
 			memset(&dummy, 0, sizeof(struct ktermios));
 			tty->termios = termios;
-			port->port.tty = tty;
+			tty_port_tty_set(&port->port, tty);
 		}
 
 		/* only call the device specific open if this
@@ -163,7 +163,7 @@ static int usb_console_setup(struct console *co, char *options)
 			tty_termios_encode_baud_rate(termios, baud, baud);
 			serial->type->set_termios(tty, port, &dummy);
 
-			port->port.tty = NULL;
+			tty_port_tty_set(&port->port, NULL);
 			kfree(termios);
 			kfree(tty);
 		}
@@ -176,7 +176,7 @@ out:
 	return retval;
 free_termios:
 	kfree(termios);
-	port->port.tty = NULL;
+	tty_port_tty_set(&port->port, NULL);
 free_tty:
 	kfree(tty);
 reset_open_count:
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index 1279553381e..8008d0bc80a 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -753,7 +753,8 @@ static int __init cp2101_init(void)
 	}
 
 	/* Success */
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index b4d72351cb9..858bdd038fb 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -141,7 +141,8 @@ static int cyberjack_startup(struct usb_serial *serial)
 		result = usb_submit_urb(serial->port[i]->interrupt_in_urb,
 					GFP_KERNEL);
 		if (result)
-			err(" usb_submit_urb(read int) failed");
+			dev_err(&serial->dev->dev,
+				"usb_submit_urb(read int) failed\n");
 		dbg("%s - usb_submit_urb(int urb)", __func__);
 	}
 
@@ -274,8 +275,9 @@ static int cyberjack_write(struct tty_struct *tty,
 		/* send the data out the bulk port */
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d",
+				__func__, result);
 			/* Throw away data. No better idea what to do with it. */
 			priv->wrfilled = 0;
 			priv->wrsent = 0;
@@ -351,7 +353,9 @@ static void cyberjack_read_int_callback(struct urb *urb)
 			port->read_urb->dev = port->serial->dev;
 			result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 			if (result)
-				err("%s - failed resubmitting read urb, error %d", __func__, result);
+				dev_err(&port->dev, "%s - failed resubmitting "
+					"read urb, error %d\n",
+					__func__, result);
 			dbg("%s - usb_submit_urb(read urb)", __func__);
 		}
 	}
@@ -360,7 +364,7 @@ resubmit:
 	port->interrupt_in_urb->dev = port->serial->dev;
 	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
 	if (result)
-		err(" usb_submit_urb(read int) failed");
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 	dbg("%s - usb_submit_urb(int urb)", __func__);
 }
 
@@ -384,7 +388,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
 		return;
 	}
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (!tty) {
 		dbg("%s - ignoring since device not open\n", __func__);
 		return;
@@ -394,6 +398,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	spin_lock(&priv->lock);
 
@@ -413,8 +418,8 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
 		port->read_urb->dev = port->serial->dev;
 		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed resubmitting read urb, error %d",
-				__func__, result);
+			dev_err(&port->dev, "%s - failed resubmitting read "
+				"urb, error %d\n", __func__, result);
 		dbg("%s - usb_submit_urb(read urb)", __func__);
 	}
 }
@@ -461,8 +466,9 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
 		/* send the data out the bulk port */
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-								__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			/* Throw away data. No better idea what to do with it. */
 			priv->wrfilled = 0;
 			priv->wrsent = 0;
@@ -498,8 +504,9 @@ static int __init cyberjack_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION " "
+	       DRIVER_AUTHOR "\n");
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 22837a3f2f8..eae4740d448 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -404,8 +404,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 			 retval != -ENODEV);
 
 		if (retval != sizeof(feature_buffer)) {
-			err("%s - failed sending serial line settings - %d",
-							__func__, retval);
+			dev_err(&port->dev, "%s - failed sending serial "
+				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
 		} else {
 			spin_lock_irqsave(&priv->lock, flags);
@@ -443,7 +443,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 						&& retval != -ENODEV);
 
 		if (retval != sizeof(feature_buffer)) {
-			err("%s - failed to retrieve serial line settings - %d", __func__, retval);
+			dev_err(&port->dev, "%s - failed to retrieve serial "
+				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
 			return retval;
 		} else {
@@ -476,8 +477,8 @@ static void cypress_set_dead(struct usb_serial_port *port)
 	priv->comm_is_ok = 0;
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	err("cypress_m8 suspending failing port %d - interval might be too short",
-	    port->number);
+	dev_err(&port->dev, "cypress_m8 suspending failing port %d - "
+		"interval might be too short\n", port->number);
 }
 
 
@@ -679,7 +680,8 @@ static int cypress_open(struct tty_struct *tty,
 
 	/* setup the port and start reading from the device */
 	if (!port->interrupt_in_urb) {
-		err("%s - interrupt_in_urb is empty!", __func__);
+		dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n",
+			__func__);
 		return -1;
 	}
 
@@ -1107,8 +1109,8 @@ static void cypress_set_termios(struct tty_struct *tty,
 		data_bits = 3;
 		break;
 	default:
-		err("%s - CSIZE was set, but not CS5-CS8",
-				__func__);
+		dev_err(&port->dev, "%s - CSIZE was set, but not CS5-CS8\n",
+			__func__);
 		data_bits = 3;
 	}
 	spin_lock_irqsave(&priv->lock, flags);
@@ -1286,7 +1288,7 @@ static void cypress_read_int_callback(struct urb *urb)
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (!tty) {
 		dbg("%s - bad tty pointer - exiting", __func__);
 		return;
@@ -1362,7 +1364,7 @@ static void cypress_read_int_callback(struct urb *urb)
 					data[i]);
 			tty_insert_flip_char(tty, data[i], tty_flag);
 		}
-		tty_flip_buffer_push(port->port.tty);
+		tty_flip_buffer_push(tty);
 	}
 
 	spin_lock_irqsave(&priv->lock, flags);
@@ -1371,6 +1373,7 @@ static void cypress_read_int_callback(struct urb *urb)
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 continue_read:
+	tty_kref_put(tty);
 
 	/* Continue trying to always read... unless the port has closed. */
 
@@ -1657,7 +1660,8 @@ static int __init cypress_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 
 failed_usb_register:
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 240aad1acaa..69f84f0ea6f 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -604,7 +604,9 @@ static void digi_wakeup_write_lock(struct work_struct *work)
 
 static void digi_wakeup_write(struct usb_serial_port *port)
 {
-	tty_wakeup(port->port.tty);
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
+	tty_wakeup(tty);
+	tty_kref_put(tty);
 }
 
 
@@ -659,7 +661,8 @@ static int digi_write_oob_command(struct usb_serial_port *port,
 	}
 	spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d", __func__, ret);
+		dev_err(&port->dev, "%s: usb_submit_urb failed, ret=%d\n",
+			__func__, ret);
 	return ret;
 
 }
@@ -741,7 +744,8 @@ static int digi_write_inb_command(struct usb_serial_port *port,
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 	return ret;
 }
@@ -810,7 +814,8 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
 	spin_unlock(&port_priv->dp_port_lock);
 	spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d", __func__, ret);
+		dev_err(&port->dev, "%s: usb_submit_urb failed, ret=%d\n",
+			__func__, ret);
 	return ret;
 }
 
@@ -905,7 +910,8 @@ static void digi_rx_unthrottle(struct tty_struct *tty)
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 }
 
@@ -1212,7 +1218,8 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
 	/* return length of new data written, or error */
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 	if (ret < 0)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 	dbg("digi_write: returning %d", ret);
 	return ret;
@@ -1233,14 +1240,16 @@ static void digi_write_bulk_callback(struct urb *urb)
 
 	/* port and serial sanity check */
 	if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
-		err("%s: port or port->private is NULL, status=%d",
-		    __func__, status);
+		dev_err(&port->dev,
+			"%s: port or port->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 	serial = port->serial;
 	if (serial == NULL || (serial_priv = usb_get_serial_data(serial)) == NULL) {
-		err("%s: serial or serial->private is NULL, status=%d",
-		    __func__, status);
+		dev_err(&port->dev,
+			"%s: serial or serial->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 
@@ -1282,7 +1291,8 @@ static void digi_write_bulk_callback(struct urb *urb)
 
 	spin_unlock(&priv->dp_port_lock);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 }
 
@@ -1516,8 +1526,9 @@ static int digi_startup_device(struct usb_serial *serial)
 		port->write_urb->dev = port->serial->dev;
 		ret = usb_submit_urb(port->read_urb, GFP_KERNEL);
 		if (ret != 0) {
-			err("%s: usb_submit_urb failed, ret=%d, port=%d",
-					__func__, ret, i);
+			dev_err(&port->dev,
+				"%s: usb_submit_urb failed, ret=%d, port=%d\n",
+				__func__, ret, i);
 			break;
 		}
 	}
@@ -1616,22 +1627,26 @@ static void digi_read_bulk_callback(struct urb *urb)
 	dbg("digi_read_bulk_callback: TOP");
 
 	/* port sanity check, do not resubmit if port is not valid */
-	if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
-		err("%s: port or port->private is NULL, status=%d",
-		    __func__, status);
+	if (port == NULL)
+		return;
+	priv = usb_get_serial_port_data(port);
+	if (priv == NULL) {
+		dev_err(&port->dev, "%s: port->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 	if (port->serial == NULL ||
 		(serial_priv = usb_get_serial_data(port->serial)) == NULL) {
-		err("%s: serial is bad or serial->private is NULL, status=%d",
-			__func__, status);
+		dev_err(&port->dev, "%s: serial is bad or serial->private "
+			"is NULL, status=%d\n", __func__, status);
 		return;
 	}
 
 	/* do not resubmit urb if it has any status error */
 	if (status) {
-		err("%s: nonzero read bulk status: status=%d, port=%d",
-		    __func__, status, priv->dp_port_num);
+		dev_err(&port->dev,
+			"%s: nonzero read bulk status: status=%d, port=%d\n",
+			__func__, status, priv->dp_port_num);
 		return;
 	}
 
@@ -1648,8 +1663,9 @@ static void digi_read_bulk_callback(struct urb *urb)
 	urb->dev = port->serial->dev;
 	ret = usb_submit_urb(urb, GFP_ATOMIC);
 	if (ret != 0) {
-		err("%s: failed resubmitting urb, ret=%d, port=%d",
-		    __func__, ret, priv->dp_port_num);
+		dev_err(&port->dev,
+			"%s: failed resubmitting urb, ret=%d, port=%d\n",
+			__func__, ret, priv->dp_port_num);
 	}
 
 }
@@ -1668,7 +1684,7 @@ static int digi_read_inb_callback(struct urb *urb)
 {
 
 	struct usb_serial_port *port = urb->context;
-	struct tty_struct *tty = port->port.tty;
+	struct tty_struct *tty;
 	struct digi_port *priv = usb_get_serial_port_data(port);
 	int opcode = ((unsigned char *)urb->transfer_buffer)[0];
 	int len = ((unsigned char *)urb->transfer_buffer)[1];
@@ -1685,13 +1701,15 @@ static int digi_read_inb_callback(struct urb *urb)
 
 	/* short/multiple packet check */
 	if (urb->actual_length != len + 2) {
-		err("%s: INCOMPLETE OR MULTIPLE PACKET, urb->status=%d, "
-		    "port=%d, opcode=%d, len=%d, actual_length=%d, "
-		    "status=%d", __func__, status, priv->dp_port_num,
-		    opcode, len, urb->actual_length, port_status);
+		dev_err(&port->dev, "%s: INCOMPLETE OR MULTIPLE PACKET, "
+			"urb->status=%d, port=%d, opcode=%d, len=%d, "
+			"actual_length=%d, status=%d\n", __func__, status,
+			priv->dp_port_num, opcode, len, urb->actual_length,
+			port_status);
 		return -1;
 	}
 
+	tty = tty_port_tty_get(&port->port);
 	spin_lock(&priv->dp_port_lock);
 
 	/* check for throttle; if set, do not resubmit read urb */
@@ -1735,6 +1753,7 @@ static int digi_read_inb_callback(struct urb *urb)
 		}
 	}
 	spin_unlock(&priv->dp_port_lock);
+	tty_kref_put(tty);
 
 	if (opcode == DIGI_CMD_RECEIVE_DISABLE)
 		dbg("%s: got RECEIVE_DISABLE", __func__);
@@ -1760,6 +1779,7 @@ static int digi_read_oob_callback(struct urb *urb)
 
 	struct usb_serial_port *port = urb->context;
 	struct usb_serial *serial = port->serial;
+	struct tty_struct *tty;
 	struct digi_port *priv = usb_get_serial_port_data(port);
 	int opcode, line, status, val;
 	int i;
@@ -1787,10 +1807,11 @@ static int digi_read_oob_callback(struct urb *urb)
 		if (priv == NULL)
 			return -1;
 
+		tty = tty_port_tty_get(&port->port);
 		rts = 0;
 		if (port->port.count)
-			rts = port->port.tty->termios->c_cflag & CRTSCTS;
-
+			rts = tty->termios->c_cflag & CRTSCTS;
+		
 		if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
 			spin_lock(&priv->dp_port_lock);
 			/* convert from digi flags to termiox flags */
@@ -1798,14 +1819,14 @@ static int digi_read_oob_callback(struct urb *urb)
 				priv->dp_modem_signals |= TIOCM_CTS;
 				/* port must be open to use tty struct */
 				if (rts) {
-					port->port.tty->hw_stopped = 0;
+					tty->hw_stopped = 0;
 					digi_wakeup_write(port);
 				}
 			} else {
 				priv->dp_modem_signals &= ~TIOCM_CTS;
 				/* port must be open to use tty struct */
 				if (rts)
-					port->port.tty->hw_stopped = 1;
+					tty->hw_stopped = 1;
 			}
 			if (val & DIGI_READ_INPUT_SIGNALS_DSR)
 				priv->dp_modem_signals |= TIOCM_DSR;
@@ -1830,6 +1851,7 @@ static int digi_read_oob_callback(struct urb *urb)
 		} else if (opcode == DIGI_CMD_IFLUSH_FIFO) {
 			wake_up_interruptible(&priv->dp_flush_wait);
 		}
+		tty_kref_put(tty);
 	}
 	return 0;
 
@@ -1847,7 +1869,8 @@ static int __init digi_init(void)
 	retval = usb_register(&digi_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&digi_acceleport_4_device);
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index a6ab5b58d9c..8a69cce40b6 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -33,9 +33,8 @@
  *	Moved MOD_DEC_USE_COUNT to end of empeg_close().
  *
  * (12/03/2000) gb
- *	Added port->port.tty->ldisc.set_termios(port->port.tty, NULL) to
- *	empeg_open(). This notifies the tty driver that the termios have
- *	changed.
+ *	Added tty->ldisc.set_termios(port, tty, NULL) to empeg_open().
+ *	This notifies the tty driver that the termios have changed.
  *
  * (11/13/2000) gb
  *	Moved tty->low_latency = 1 from empeg_read_bulk_callback() to
@@ -354,7 +353,7 @@ static void empeg_read_bulk_callback(struct urb *urb)
 
 	usb_serial_debug_data(debug, &port->dev, __func__,
 						urb->actual_length, data);
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 
 	if (urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length);
@@ -362,6 +361,7 @@ static void empeg_read_bulk_callback(struct urb *urb)
 		tty_flip_buffer_push(tty);
 		bytes_in += urb->actual_length;
 	}
+	tty_kref_put(tty);
 
 	/* Continue trying to always read  */
 	usb_fill_bulk_urb(
@@ -416,7 +416,7 @@ static int  empeg_startup(struct usb_serial *serial)
 	dbg("%s", __func__);
 
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
@@ -499,15 +499,15 @@ static int __init empeg_init(void)
 		urb = usb_alloc_urb(0, GFP_KERNEL);
 		write_urb_pool[i] = urb;
 		if (urb == NULL) {
-			err("No more urbs???");
+			printk(KERN_ERR "empeg: No more urbs???\n");
 			continue;
 		}
 
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 								GFP_KERNEL);
 		if (!urb->transfer_buffer) {
-			err("%s - out of memory for urb buffers.",
-			    __func__);
+			printk(KERN_ERR "empeg: %s - out of memory for urb "
+			       "buffers.", __func__);
 			continue;
 		}
 	}
@@ -519,7 +519,8 @@ static int __init empeg_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c
index 711e84f6ed8..3cfc762f505 100644
--- a/drivers/usb/serial/ezusb.c
+++ b/drivers/usb/serial/ezusb.c
@@ -28,7 +28,8 @@ int ezusb_writememory(struct usb_serial *serial, int address,
 
 	/* dbg("ezusb_writememory %x, %d", address, length); */
 	if (!serial->dev) {
-		err("%s - no physical device present, failing.", __func__);
+		printk(KERN_ERR "ezusb: %s - no physical device present, "
+		       "failing.\n", __func__);
 		return -ENODEV;
 	}
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 3dc93b542b3..51d7bdea286 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -578,6 +578,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
@@ -860,7 +861,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set,
 
 	kfree(buf);
 	if (rv < 0) {
-		err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
+		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
 				__func__,
 				(set & TIOCM_DTR) ? "HIGH" :
 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
@@ -1153,7 +1154,7 @@ static void ftdi_determine_type(struct usb_serial_port *port)
 		/* Assume its an FT232R  */
 		priv->chip_type = FT232RL;
 	}
-	info("Detected %s", ftdi_chip_name[priv->chip_type]);
+	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
 }
 
 
@@ -1326,7 +1327,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
 
 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
 	if (!priv) {
-		err("%s- kmalloc(%Zd) failed.", __func__,
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
 					sizeof(struct ftdi_private));
 		return -ENOMEM;
 	}
@@ -1409,7 +1410,8 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
 	dbg("%s", __func__);
 
 	if (interface == udev->actconfig->interface[0]) {
-		info("Ignoring serial port reserved for JTAG");
+		dev_info(&udev->dev,
+			 "Ignoring serial port reserved for JTAG\n");
 		return -ENODEV;
 	}
 
@@ -1427,7 +1429,8 @@ static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
 
 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
-		info("Fixing invalid wMaxPacketSize on read pipe");
+		dev_info(&serial->dev->dev,
+			 "Fixing invalid wMaxPacketSize on read pipe\n");
 	}
 
 	return 0;
@@ -1521,8 +1524,9 @@ static int ftdi_open(struct tty_struct *tty,
 			ftdi_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result)
-		err("%s - failed submitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 
 
 	return result;
@@ -1556,7 +1560,7 @@ static void ftdi_close(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface, buf, 0,
 				    WDR_TIMEOUT) < 0) {
-			err("error from flowcontrol urb");
+			dev_err(&port->dev, "error from flowcontrol urb\n");
 		}
 
 		/* drop RTS and DTR */
@@ -1621,14 +1625,15 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	buffer = kmalloc(transfer_size, GFP_ATOMIC);
 	if (!buffer) {
-		err("%s ran out of kernel memory for urb ...", __func__);
+		dev_err(&port->dev,
+			"%s ran out of kernel memory for urb ...\n", __func__);
 		count = -ENOMEM;
 		goto error_no_buffer;
 	}
 
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb) {
-		err("%s - no more free urbs", __func__);
+		dev_err(&port->dev, "%s - no more free urbs\n", __func__);
 		count = -ENOMEM;
 		goto error_no_urb;
 	}
@@ -1672,8 +1677,9 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
-		err("%s - failed submitting write urb, error %d",
-							__func__, status);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, status);
 		count = status;
 		goto error;
 	} else {
@@ -1780,7 +1786,8 @@ static int ftdi_chars_in_buffer(struct tty_struct *tty)
 	buffered = (int)priv->tx_outstanding_bytes;
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 	if (buffered < 0) {
-		err("%s outstanding tx bytes is negative!", __func__);
+		dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
+			__func__);
 		buffered = 0;
 	}
 	return buffered;
@@ -1796,11 +1803,12 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	int status = urb->status;
 
 	if (urb->number_of_packets > 0) {
-		err("%s transfer_buffer_length %d actual_length %d number of packets %d",
-				__func__,
-				urb->transfer_buffer_length,
-				urb->actual_length, urb->number_of_packets);
-		err("%s transfer_flags %x ", __func__, urb->transfer_flags);
+		dev_err(&port->dev, "%s transfer_buffer_length %d "
+			"actual_length %d number of packets %d\n", __func__,
+			urb->transfer_buffer_length,
+			urb->actual_length, urb->number_of_packets);
+		dev_err(&port->dev, "%s transfer_flags %x\n", __func__,
+			urb->transfer_flags);
 	}
 
 	dbg("%s - port %d", __func__, port->number);
@@ -1808,7 +1816,7 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	if (port->port.count <= 0)
 		return;
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (!tty) {
 		dbg("%s - bad tty pointer - exiting", __func__);
 		return;
@@ -1817,17 +1825,17 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	priv = usb_get_serial_port_data(port);
 	if (!priv) {
 		dbg("%s - bad port private data pointer - exiting", __func__);
-		return;
+		goto out;
 	}
 
 	if (urb != port->read_urb)
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 
 	if (status) {
 		/* This will happen at close every time so it is a dbg not an
 		   err */
 		dbg("(this is ok on close) nonzero read bulk status received: %d", status);
-		return;
+		goto out;
 	}
 
 	/* count data bytes, but not status bytes */
@@ -1838,7 +1846,8 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	spin_unlock_irqrestore(&priv->rx_lock, flags);
 
 	ftdi_process_read(&priv->rx_work.work);
-
+out:
+	tty_kref_put(tty);
 } /* ftdi_read_bulk_callback */
 
 
@@ -1863,7 +1872,7 @@ static void ftdi_process_read(struct work_struct *work)
 	if (port->port.count <= 0)
 		return;
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (!tty) {
 		dbg("%s - bad tty pointer - exiting", __func__);
 		return;
@@ -1872,13 +1881,13 @@ static void ftdi_process_read(struct work_struct *work)
 	priv = usb_get_serial_port_data(port);
 	if (!priv) {
 		dbg("%s - bad port private data pointer - exiting", __func__);
-		return;
+		goto out;
 	}
 
 	urb = port->read_urb;
 	if (!urb) {
 		dbg("%s - bad read_urb pointer - exiting", __func__);
-		return;
+		goto out;
 	}
 
 	data = urb->transfer_buffer;
@@ -1923,7 +1932,8 @@ static void ftdi_process_read(struct work_struct *work)
 
 		length = min(PKTSZ, urb->actual_length-packet_offset)-2;
 		if (length < 0) {
-			err("%s - bad packet length: %d", __func__, length+2);
+			dev_err(&port->dev, "%s - bad packet length: %d\n",
+				__func__, length+2);
 			length = 0;
 		}
 
@@ -2020,7 +2030,7 @@ static void ftdi_process_read(struct work_struct *work)
 			schedule_delayed_work(&priv->rx_work, 1);
 		else
 			dbg("%s - port is closed", __func__);
-		return;
+		goto out;
 	}
 
 	/* urb is completely processed */
@@ -2038,9 +2048,12 @@ static void ftdi_process_read(struct work_struct *work)
 
 		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed resubmitting read urb, error %d\n",
+				__func__, result);
 	}
+out:
+	tty_kref_put(tty);
 } /* ftdi_process_read */
 
 
@@ -2066,8 +2079,8 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			urb_value , priv->interface,
 			buf, 0, WDR_TIMEOUT) < 0) {
-		err("%s FAILED to enable/disable break state (state was %d)",
-							__func__, break_state);
+		dev_err(&port->dev, "%s FAILED to enable/disable break state "
+			"(state was %d)\n", __func__, break_state);
 	}
 
 	dbg("%s break state is %d - urb is %d", __func__,
@@ -2139,7 +2152,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
 		default:
-			err("CSIZE was set but not CS5-CS8");
+			dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
 		}
 	}
 
@@ -2152,7 +2165,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			    urb_value , priv->interface,
 			    buf, 0, WDR_SHORT_TIMEOUT) < 0) {
-		err("%s FAILED to set databits/stopbits/parity", __func__);
+		dev_err(&port->dev, "%s FAILED to set "
+			"databits/stopbits/parity\n", __func__);
 	}
 
 	/* Now do the baudrate */
@@ -2163,14 +2177,17 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface,
 				    buf, 0, WDR_TIMEOUT) < 0) {
-			err("%s error from disable flowcontrol urb", __func__);
+			dev_err(&port->dev,
+				"%s error from disable flowcontrol urb\n",
+				__func__);
 		}
 		/* Drop RTS and DTR */
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
 		/* set the baudrate determined before */
 		if (change_speed(tty, port))
-			err("%s urb failed to set baudrate", __func__);
+			dev_err(&port->dev, "%s urb failed to set baudrate\n",
+				__func__);
 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -2186,7 +2203,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
 				    buf, 0, WDR_TIMEOUT) < 0) {
-			err("urb failed to set to rts/cts flow control");
+			dev_err(&port->dev,
+				"urb failed to set to rts/cts flow control\n");
 		}
 
 	} else {
@@ -2217,7 +2235,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    urb_value , (FTDI_SIO_XON_XOFF_HS
 							 | priv->interface),
 					    buf, 0, WDR_TIMEOUT) < 0) {
-				err("urb failed to set to xon/xoff flow control");
+				dev_err(&port->dev, "urb failed to set to "
+					"xon/xoff flow control\n");
 			}
 		} else {
 			/* else clause to only run if cflag ! CRTSCTS and iflag
@@ -2230,7 +2249,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 					    0, priv->interface,
 					    buf, 0, WDR_TIMEOUT) < 0) {
-				err("urb failed to clear flow control");
+				dev_err(&port->dev,
+					"urb failed to clear flow control\n");
 			}
 		}
 
@@ -2256,7 +2276,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
 			   0, 0,
 			   buf, 1, WDR_TIMEOUT);
 		if (ret < 0) {
-			err("%s Could not get modem status of device - err: %d", __func__,
+			dbg("%s Could not get modem status of device - err: %d", __func__,
 			    ret);
 			return ret;
 		}
@@ -2275,7 +2295,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
 				   0, priv->interface,
 				   buf, 2, WDR_TIMEOUT);
 		if (ret < 0) {
-			err("%s Could not get modem status of device - err: %d", __func__,
+			dbg("%s Could not get modem status of device - err: %d", __func__,
 			    ret);
 			return ret;
 		}
@@ -2422,7 +2442,8 @@ static int __init ftdi_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&ftdi_sio_device);
@@ -2455,5 +2476,5 @@ module_param(vendor, ushort, 0);
 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
 		__MODULE_STRING(FTDI_VID)")");
 module_param(product, ushort, 0);
-MODULE_PARM_DESC(vendor, "User specified product ID");
+MODULE_PARM_DESC(product, "User specified product ID");
 
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 8a5b6df3a97..07a3992abad 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -628,6 +628,11 @@
 #define FTDI_SUUNTO_SPORTS_PID	0xF680	/* Suunto Sports instrument */
 
 /*
+ * Oceanic product ids
+ */
+#define FTDI_OCEANIC_PID	0xF460  /* Oceanic dive instrument */
+
+/*
  * TTi (Thurlby Thandar Instruments)
  */
 #define TTI_VID			0x103E	/* Vendor Id */
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index d9538208807..8e6a66e38db 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -276,7 +276,7 @@ static inline int isAbortTrfCmnd(const unsigned char *buf)
 static void send_to_tty(struct usb_serial_port *port,
 			char *data, unsigned int actual_length)
 {
-	struct tty_struct *tty = port->port.tty;
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
 
 	if (tty && actual_length) {
 
@@ -287,6 +287,7 @@ static void send_to_tty(struct usb_serial_port *port,
 		tty_insert_flip_string(tty, data, actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 }
 
 
@@ -1584,7 +1585,8 @@ static int __init garmin_init(void)
 	retval = usb_register(&garmin_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index fe84c88ec20..814909f1ee6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -330,7 +330,7 @@ static void resubmit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
 static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
 {
 	struct urb *urb = port->read_urb;
-	struct tty_struct *tty = port->port.tty;
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
 	int room;
 
 	/* Push data to tty */
@@ -341,6 +341,7 @@ static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
 			tty_flip_buffer_push(tty);
 		}
 	}
+	tty_kref_put(tty);
 
 	resubmit_read_urb(port, GFP_ATOMIC);
 }
diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c
index ab905869e95..43132927513 100644
--- a/drivers/usb/serial/hp4x.c
+++ b/drivers/usb/serial/hp4x.c
@@ -63,7 +63,8 @@ static int __init hp49gp_init(void)
 	retval = usb_register(&hp49gp_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&hp49gp_device);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index bfa508ddb0f..e85c8c0d1ad 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -600,6 +600,7 @@ static void edge_interrupt_callback(struct urb *urb)
 	struct edgeport_serial	*edge_serial = urb->context;
 	struct edgeport_port *edge_port;
 	struct usb_serial_port *port;
+	struct tty_struct *tty;
 	unsigned char *data = urb->transfer_buffer;
 	int length = urb->actual_length;
 	int bytes_avail;
@@ -675,9 +676,12 @@ static void edge_interrupt_callback(struct urb *urb)
 
 					/* tell the tty driver that something
 					   has changed */
-					if (edge_port->port->port.tty)
-						tty_wakeup(edge_port->port->port.tty);
-
+					tty = tty_port_tty_get(
+						&edge_port->port->port);
+					if (tty) {
+						tty_wakeup(tty);
+						tty_kref_put(tty);
+					}
 					/* Since we have more credit, check
 					   if more data can be sent */
 					send_more_port_data(edge_serial,
@@ -778,13 +782,14 @@ static void edge_bulk_out_data_callback(struct urb *urb)
 		    __func__, status);
 	}
 
-	tty = edge_port->port->port.tty;
+	tty = tty_port_tty_get(&edge_port->port->port);
 
 	if (tty && edge_port->open) {
 		/* let the tty driver wakeup if it has a special
 		   write_wakeup function */
 		tty_wakeup(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Release the Write URB */
 	edge_port->write_in_progress = false;
@@ -826,11 +831,12 @@ static void edge_bulk_out_cmd_callback(struct urb *urb)
 	}
 
 	/* Get pointer to tty */
-	tty = edge_port->port->port.tty;
+	tty = tty_port_tty_get(&edge_port->port->port);
 
 	/* tell the tty driver that something has changed */
 	if (tty && edge_port->open)
 		tty_wakeup(tty);
+	tty_kref_put(tty);
 
 	/* we have completed the command */
 	edge_port->commandPending = false;
@@ -1932,11 +1938,13 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
 							edge_serial->rxPort];
 				edge_port = usb_get_serial_port_data(port);
 				if (edge_port->open) {
-					tty = edge_port->port->port.tty;
+					tty = tty_port_tty_get(
+						&edge_port->port->port);
 					if (tty) {
 						dbg("%s - Sending %d bytes to TTY for port %d",
 							__func__, rxLen, edge_serial->rxPort);
 						edge_tty_recv(&edge_serial->serial->dev->dev, tty, buffer, rxLen);
+						tty_kref_put(tty);
 					}
 					edge_port->icount.rx += rxLen;
 				}
@@ -1971,6 +1979,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
 {
 	struct usb_serial_port *port;
 	struct edgeport_port *edge_port;
+	struct tty_struct *tty;
 	__u8 code = edge_serial->rxStatusCode;
 
 	/* switch the port pointer to the one being currently talked about */
@@ -2020,10 +2029,12 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
 
 		/* send the current line settings to the port so we are
 		   in sync with any further termios calls */
-		/* FIXME: locking on tty */
-		if (edge_port->port->port.tty)
-			change_port_settings(edge_port->port->port.tty,
-				edge_port, edge_port->port->port.tty->termios);
+		tty = tty_port_tty_get(&edge_port->port->port);
+		if (tty) {
+			change_port_settings(tty,
+				edge_port, tty->termios);
+			tty_kref_put(tty);
+		}
 
 		/* we have completed the open */
 		edge_port->openPending = false;
@@ -2163,10 +2174,14 @@ static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData,
 	}
 
 	/* Place LSR data byte into Rx buffer */
-	if (lsrData && edge_port->port->port.tty)
-		edge_tty_recv(&edge_port->port->dev,
-					edge_port->port->port.tty, &data, 1);
-
+	if (lsrData) {
+		struct tty_struct *tty =
+				tty_port_tty_get(&edge_port->port->port);
+		if (tty) {
+			edge_tty_recv(&edge_port->port->dev, tty, &data, 1);
+			tty_kref_put(tty);
+		}
+	}
 	/* update input line counters */
 	icount = &edge_port->icount;
 	if (newLsr & LSR_BREAK)
@@ -3094,13 +3109,13 @@ static int edge_startup(struct usb_serial *serial)
 				edge_serial->interrupt_read_urb =
 						usb_alloc_urb(0, GFP_KERNEL);
 				if (!edge_serial->interrupt_read_urb) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					return -ENOMEM;
 				}
 				edge_serial->interrupt_in_buffer =
 					kmalloc(buffer_size, GFP_KERNEL);
 				if (!edge_serial->interrupt_in_buffer) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					usb_free_urb(edge_serial->interrupt_read_urb);
 					return -ENOMEM;
 				}
@@ -3131,13 +3146,13 @@ static int edge_startup(struct usb_serial *serial)
 				edge_serial->read_urb =
 						usb_alloc_urb(0, GFP_KERNEL);
 				if (!edge_serial->read_urb) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					return -ENOMEM;
 				}
 				edge_serial->bulk_in_buffer =
 					kmalloc(buffer_size, GFP_KERNEL);
 				if (!edge_serial->bulk_in_buffer) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					usb_free_urb(edge_serial->read_urb);
 					return -ENOMEM;
 				}
@@ -3166,7 +3181,8 @@ static int edge_startup(struct usb_serial *serial)
 		}
 
 		if (!interrupt_in_found || !bulk_in_found || !bulk_out_found) {
-			err("Error - the proper endpoints were not found!");
+			dev_err(&dev->dev, "Error - the proper endpoints "
+				"were not found!\n");
 			return -ENODEV;
 		}
 
@@ -3175,8 +3191,9 @@ static int edge_startup(struct usb_serial *serial)
 		response = usb_submit_urb(edge_serial->interrupt_read_urb,
 								GFP_KERNEL);
 		if (response)
-			err("%s - Error %d submitting control urb",
-							__func__, response);
+			dev_err(&dev->dev,
+				"%s - Error %d submitting control urb\n",
+				__func__, response);
 	}
 	return response;
 }
@@ -3238,7 +3255,8 @@ static int __init edgeport_init(void)
 	if (retval)
 		goto failed_usb_register;
 	atomic_set(&CmdUrbs, 0);
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 
 failed_usb_register:
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index cb4c54316cf..c3cdd00ddc4 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -572,7 +572,7 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
 								int flush)
 {
 	int baud_rate;
-	struct tty_struct *tty = port->port->port.tty;
+	struct tty_struct *tty = tty_port_tty_get(&port->port->port);
 	wait_queue_t wait;
 	unsigned long flags;
 
@@ -599,6 +599,7 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
 	if (flush)
 		edge_buf_clear(port->ep_out_buf);
 	spin_unlock_irqrestore(&port->ep_lock, flags);
+	tty_kref_put(tty);
 
 	/* wait for data to drain from the device */
 	timeout += jiffies;
@@ -1554,7 +1555,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
 	/* Save the new modem status */
 	edge_port->shadow_msr = msr & 0xf0;
 
-	tty = edge_port->port->port.tty;
+	tty = tty_port_tty_get(&edge_port->port->port);
 	/* handle CTS flow control */
 	if (tty && C_CRTSCTS(tty)) {
 		if (msr & EDGEPORT_MSR_CTS) {
@@ -1564,6 +1565,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
 			tty->hw_stopped = 1;
 		}
 	}
+	tty_kref_put(tty);
 
 	return;
 }
@@ -1574,6 +1576,7 @@ static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
 	struct async_icount *icount;
 	__u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR |
 						LSR_FRM_ERR | LSR_BREAK));
+	struct tty_struct *tty;
 
 	dbg("%s - %02x", __func__, new_lsr);
 
@@ -1587,8 +1590,13 @@ static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
 		new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK);
 
 	/* Place LSR data byte into Rx buffer */
-	if (lsr_data && edge_port->port->port.tty)
-		edge_tty_recv(&edge_port->port->dev, edge_port->port->port.tty, &data, 1);
+	if (lsr_data) {
+		tty = tty_port_tty_get(&edge_port->port->port);
+		if (tty) {
+			edge_tty_recv(&edge_port->port->dev, tty, &data, 1);
+			tty_kref_put(tty);
+		}
+	}
 
 	/* update input line counters */
 	icount = &edge_port->icount;
@@ -1749,7 +1757,7 @@ static void edge_bulk_in_callback(struct urb *urb)
 		++data;
 	}
 
-	tty = edge_port->port->port.tty;
+	tty = tty_port_tty_get(&edge_port->port->port);
 	if (tty && urb->actual_length) {
 		usb_serial_debug_data(debug, &edge_port->port->dev,
 					__func__, urb->actual_length, data);
@@ -1761,6 +1769,7 @@ static void edge_bulk_in_callback(struct urb *urb)
 							urb->actual_length);
 		edge_port->icount.rx += urb->actual_length;
 	}
+	tty_kref_put(tty);
 
 exit:
 	/* continue read unless stopped */
@@ -1796,6 +1805,7 @@ static void edge_bulk_out_callback(struct urb *urb)
 	struct usb_serial_port *port = urb->context;
 	struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 	int status = urb->status;
+	struct tty_struct *tty;
 
 	dbg("%s - port %d", __func__, port->number);
 
@@ -1818,7 +1828,9 @@ static void edge_bulk_out_callback(struct urb *urb)
 	}
 
 	/* send any buffered data */
-	edge_send(port->port.tty);
+	tty = tty_port_tty_get(&port->port);
+	edge_send(tty);
+	tty_kref_put(tty);
 }
 
 static int edge_open(struct tty_struct *tty,
@@ -1876,7 +1888,7 @@ static int edge_open(struct tty_struct *tty,
 
 	/* set up the port settings */
 	if (tty)
-		edge_set_termios(tty, port, port->port.tty->termios);
+		edge_set_termios(tty, port, tty->termios);
 
 	/* open up the port */
 
@@ -2966,7 +2978,8 @@ static int __init edgeport_init(void)
 	retval = usb_register(&io_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&edgeport_2port_device);
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index cd9a2e138c8..132be74d2b8 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -608,7 +608,7 @@ static int ipaq_open(struct tty_struct *tty,
 	bytes_out = 0;
 	priv = kmalloc(sizeof(struct ipaq_private), GFP_KERNEL);
 	if (priv == NULL) {
-		err("%s - Out of memory", __func__);
+		dev_err(&port->dev, "%s - Out of memory\n", __func__);
 		return -ENOMEM;
 	}
 	usb_set_serial_port_data(port, priv);
@@ -693,8 +693,7 @@ static int ipaq_open(struct tty_struct *tty,
 	}
 
 	if (!retries && result) {
-		err("%s - failed doing control urb, error %d", __func__,
-		    result);
+		dev_err(&port->dev, "%s - failed doing control urb, error %d\n",			__func__, result);
 		goto error;
 	}
 
@@ -707,8 +706,9 @@ static int ipaq_open(struct tty_struct *tty,
 
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result) {
-		err("%s - failed submitting read urb, error %d",
-						__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 		goto error;
 	}
 
@@ -716,7 +716,7 @@ static int ipaq_open(struct tty_struct *tty,
 
 enomem:
 	result = -ENOMEM;
-	err("%s - Out of memory", __func__);
+	dev_err(&port->dev, "%s - Out of memory\n", __func__);
 error:
 	ipaq_destroy_lists(port);
 	kfree(priv);
@@ -764,13 +764,14 @@ static void ipaq_read_bulk_callback(struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __func__,
 						urb->actual_length, data);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 		bytes_in += urb->actual_length;
 	}
+	tty_kref_put(tty);
 
 	/* Continue trying to always read  */
 	usb_fill_bulk_urb(port->read_urb, port->serial->dev,
@@ -780,8 +781,9 @@ static void ipaq_read_bulk_callback(struct urb *urb)
 	    ipaq_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 	return;
 }
 
@@ -846,7 +848,8 @@ static int ipaq_write_bulk(struct usb_serial_port *port,
 		spin_unlock_irqrestore(&write_list_lock, flags);
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed submitting write urb, error %d",
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
 				__func__, result);
 	} else {
 		spin_unlock_irqrestore(&write_list_lock, flags);
@@ -908,8 +911,9 @@ static void ipaq_write_bulk_callback(struct urb *urb)
 		spin_unlock_irqrestore(&write_list_lock, flags);
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed submitting write urb, error %d",
-					__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 	} else {
 		priv->active = 0;
 		spin_unlock_irqrestore(&write_list_lock, flags);
@@ -956,7 +960,7 @@ static int ipaq_startup(struct usb_serial *serial)
 {
 	dbg("%s", __func__);
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
@@ -975,7 +979,6 @@ static int __init ipaq_init(void)
 	retval = usb_serial_register(&ipaq_device);
 	if (retval)
 		goto failed_usb_serial_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
 	if (vendor) {
 		ipaq_id_table[0].idVendor = vendor;
 		ipaq_id_table[0].idProduct = product;
@@ -984,6 +987,8 @@ static int __init ipaq_init(void)
 	if (retval)
 		goto failed_usb_register;
 
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&ipaq_device);
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index a842025b9b5..3ac59a8a980 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -170,12 +170,13 @@ static void ipw_read_bulk_callback(struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __func__,
 					urb->actual_length, data);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Continue trying to always read  */
 	usb_fill_bulk_urb(port->read_urb, port->serial->dev,
@@ -484,7 +485,8 @@ static int usb_ipw_init(void)
 		usb_serial_deregister(&ipw_device);
 		return retval;
 	}
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index e59155c6607..b679a556b98 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -465,11 +465,12 @@ static void ir_read_bulk_callback(struct urb *urb)
 			ir_baud = *data & 0x0f;
 		usb_serial_debug_data(debug, &port->dev, __func__,
 						urb->actual_length, data);
- 		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		if (tty_buffer_request_room(tty, urb->actual_length - 1)) {
 			tty_insert_flip_string(tty, data+1, urb->actual_length - 1);
 			tty_flip_buffer_push(tty);
 		}
+		tty_kref_put(tty);
 
 		/*
 		 * No break here.
@@ -601,7 +602,8 @@ static int __init ir_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index ddff37fa633..e320972cb22 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -629,13 +629,14 @@ static void read_buf_callback(struct urb *urb)
 	}
 
 	dbg("%s - %i chars to write", __func__, urb->actual_length);
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (data == NULL)
 		dbg("%s - data is NULL !!!", __func__);
 	if (tty && urb->actual_length && data) {
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 	iuu_led_activity_on(urb);
 }
 
@@ -1184,7 +1185,8 @@ static int __init iuu_init(void)
 	retval = usb_register(&iuu_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&iuu_device);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 704716f6f6d..9878c0fb385 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -217,7 +217,8 @@ static int __init keyspan_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
@@ -430,7 +431,7 @@ static void	usa26_indat_callback(struct urb *urb)
 	}
 
 	port =  urb->context;
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		/* 0x80 bit is error flag */
 		if ((data[0] & 0x80) == 0) {
@@ -459,6 +460,7 @@ static void	usa26_indat_callback(struct urb *urb)
 		}
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
@@ -513,6 +515,7 @@ static void	usa26_instat_callback(struct urb *urb)
 	struct usb_serial			*serial;
 	struct usb_serial_port			*port;
 	struct keyspan_port_private	 	*p_priv;
+	struct tty_struct			*tty;
 	int old_dcd_state, err;
 	int status = urb->status;
 
@@ -553,12 +556,11 @@ static void	usa26_instat_callback(struct urb *urb)
 	p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0);
 	p_priv->ri_state = ((msg->ri) ? 1 : 0);
 
-	if (port->port.tty && !C_CLOCAL(port->port.tty)
-	    && old_dcd_state != p_priv->dcd_state) {
-		if (old_dcd_state)
-			tty_hangup(port->port.tty);
-		/*  else */
-		/*	wake_up_interruptible(&p_priv->open_wait); */
+	if (old_dcd_state != p_priv->dcd_state) {
+		tty = tty_port_tty_get(&port->port);
+		if (tty && !C_CLOCAL(tty))
+			tty_hangup(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Resubmit urb so we continue receiving */
@@ -604,11 +606,12 @@ static void usa28_indat_callback(struct urb *urb)
 		p_priv = usb_get_serial_port_data(port);
 		data = urb->transfer_buffer;
 
-		tty = port->port.tty;
-		if (urb->actual_length) {
+		tty =tty_port_tty_get(&port->port);
+		if (tty && urb->actual_length) {
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
 		}
+		tty_kref_put(tty);
 
 		/* Resubmit urb so we continue receiving */
 		urb->dev = port->serial->dev;
@@ -652,6 +655,7 @@ static void	usa28_instat_callback(struct urb *urb)
 	struct usb_serial			*serial;
 	struct usb_serial_port			*port;
 	struct keyspan_port_private	 	*p_priv;
+	struct tty_struct			*tty;
 	int old_dcd_state;
 	int status = urb->status;
 
@@ -689,12 +693,11 @@ static void	usa28_instat_callback(struct urb *urb)
 	p_priv->dcd_state = ((msg->dcd) ? 1 : 0);
 	p_priv->ri_state = ((msg->ri) ? 1 : 0);
 
-	if (port->port.tty && !C_CLOCAL(port->port.tty)
-	    && old_dcd_state != p_priv->dcd_state) {
-		if (old_dcd_state)
-			tty_hangup(port->port.tty);
-		/*  else */
-		/*	wake_up_interruptible(&p_priv->open_wait); */
+	if( old_dcd_state != p_priv->dcd_state && old_dcd_state) {
+		tty = tty_port_tty_get(&port->port);
+		if (tty && !C_CLOCAL(tty)) 
+			tty_hangup(tty);
+		tty_kref_put(tty);
 	}
 
 		/* Resubmit urb so we continue receiving */
@@ -785,12 +788,11 @@ static void	usa49_instat_callback(struct urb *urb)
 	p_priv->dcd_state = ((msg->dcd) ? 1 : 0);
 	p_priv->ri_state = ((msg->ri) ? 1 : 0);
 
-	if (port->port.tty && !C_CLOCAL(port->port.tty)
-	    && old_dcd_state != p_priv->dcd_state) {
-		if (old_dcd_state)
-			tty_hangup(port->port.tty);
-		/*  else */
-		/*	wake_up_interruptible(&p_priv->open_wait); */
+	if (old_dcd_state != p_priv->dcd_state && old_dcd_state) {
+		struct tty_struct *tty = tty_port_tty_get(&port->port);
+		if (tty && !C_CLOCAL(tty))
+			tty_hangup(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Resubmit urb so we continue receiving */
@@ -827,7 +829,7 @@ static void	usa49_indat_callback(struct urb *urb)
 	}
 
 	port =  urb->context;
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		/* 0x80 bit is error flag */
 		if ((data[0] & 0x80) == 0) {
@@ -850,6 +852,7 @@ static void	usa49_indat_callback(struct urb *urb)
 		}
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
@@ -893,7 +896,7 @@ static void usa49wg_indat_callback(struct urb *urb)
 				return;
 			}
 			port = serial->port[data[i++]];
-			tty = port->port.tty;
+			tty = tty_port_tty_get(&port->port);
 			len = data[i++];
 
 			/* 0x80 bit is error flag */
@@ -927,6 +930,7 @@ static void usa49wg_indat_callback(struct urb *urb)
 			}
 			if (port->port.count)
 				tty_flip_buffer_push(tty);
+			tty_kref_put(tty);
 		}
 	}
 
@@ -967,8 +971,8 @@ static void usa90_indat_callback(struct urb *urb)
 	port =  urb->context;
 	p_priv = usb_get_serial_port_data(port);
 
-	tty = port->port.tty;
 	if (urb->actual_length) {
+		tty = tty_port_tty_get(&port->port);
 		/* if current mode is DMA, looks like usa28 format
 		   otherwise looks like usa26 data format */
 
@@ -1004,6 +1008,7 @@ static void usa90_indat_callback(struct urb *urb)
 			}
 		}
 		tty_flip_buffer_push(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Resubmit urb so we continue receiving */
@@ -1025,6 +1030,7 @@ static void	usa90_instat_callback(struct urb *urb)
 	struct usb_serial			*serial;
 	struct usb_serial_port			*port;
 	struct keyspan_port_private	 	*p_priv;
+	struct tty_struct			*tty;
 	int old_dcd_state, err;
 	int status = urb->status;
 
@@ -1053,12 +1059,11 @@ static void	usa90_instat_callback(struct urb *urb)
 	p_priv->dcd_state = ((msg->dcd) ? 1 : 0);
 	p_priv->ri_state = ((msg->ri) ? 1 : 0);
 
-	if (port->port.tty && !C_CLOCAL(port->port.tty)
-	    && old_dcd_state != p_priv->dcd_state) {
-		if (old_dcd_state)
-			tty_hangup(port->port.tty);
-		/*  else */
-		/*	wake_up_interruptible(&p_priv->open_wait); */
+	if (old_dcd_state != p_priv->dcd_state && old_dcd_state) {
+		tty = tty_port_tty_get(&port->port);
+		if (tty && !C_CLOCAL(tty))
+			tty_hangup(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Resubmit urb so we continue receiving */
@@ -1130,12 +1135,11 @@ static void	usa67_instat_callback(struct urb *urb)
 	p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0);
 	p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0);
 
-	if (port->port.tty && !C_CLOCAL(port->port.tty)
-	    && old_dcd_state != p_priv->dcd_state) {
-		if (old_dcd_state)
-			tty_hangup(port->port.tty);
-		/*  else */
-		/*	wake_up_interruptible(&p_priv->open_wait); */
+	if (old_dcd_state != p_priv->dcd_state && old_dcd_state) {
+		struct tty_struct *tty = tty_port_tty_get(&port->port);
+		if (tty && !C_CLOCAL(tty))
+			tty_hangup(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Resubmit urb so we continue receiving */
@@ -1332,7 +1336,7 @@ static void keyspan_close(struct tty_struct *tty,
 			stop_urb(p_priv->out_urbs[i]);
 		}
 	}
-	port->port.tty = NULL;
+	tty_port_tty_set(&port->port, NULL);
 }
 
 /* download the firmware to a pre-renumeration device */
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 040040a267d..bf1ae247da6 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -172,8 +172,9 @@ static void keyspan_pda_wakeup_write(struct work_struct *work)
 	struct keyspan_pda_private *priv =
 		container_of(work, struct keyspan_pda_private, wakeup_work);
 	struct usb_serial_port *port = priv->port;
-
-	tty_wakeup(port->port.tty);
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
+	tty_wakeup(tty);
+	tty_kref_put(tty);
 }
 
 static void keyspan_pda_request_unthrottle(struct work_struct *work)
@@ -205,7 +206,7 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work)
 static void keyspan_pda_rx_interrupt(struct urb *urb)
 {
 	struct usb_serial_port *port = urb->context;
-	struct tty_struct *tty = port->port.tty;
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
 	unsigned char *data = urb->transfer_buffer;
 	int retval;
 	int status = urb->status;
@@ -222,7 +223,7 @@ static void keyspan_pda_rx_interrupt(struct urb *urb)
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d",
 		    __func__, status);
-		return;
+		goto out;
 	default:
 		dbg("%s - nonzero urb status received: %d",
 		    __func__, status);
@@ -261,8 +262,11 @@ static void keyspan_pda_rx_interrupt(struct urb *urb)
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&port->dev,
+			"%s - usb_submit_urb failed with result %d",
+			__func__, retval);
+out:
+	tty_kref_put(tty);		     
 }
 
 
@@ -738,11 +742,13 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
 		fw_name = "keyspan_pda/xircom_pgs.fw";
 #endif
 	else {
-		err("%s: unknown vendor, aborting.", __func__);
+		dev_err(&serial->dev->dev, "%s: unknown vendor, aborting.\n",
+			__func__);
 		return -ENODEV;
 	}
 	if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) {
-		err("failed to load firmware \"%s\"\n", fw_name);
+		dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n",
+			fw_name);
 		return -ENOENT;
 	}
 	record = (const struct ihex_binrec *)fw->data;
@@ -752,10 +758,10 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
 					     (unsigned char *)record->data,
 					     be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("ezusb_writememory failed for Keyspan PDA "
-			    "firmware (%d %04X %p %d)",
-			    response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "ezusb_writememory failed "
+				"for Keyspan PDA firmware (%d %04X %p %d)\n",
+				response, be32_to_cpu(record->addr),
+				record->data, be16_to_cpu(record->len));
 			break;
 		}
 		record = ihex_next_binrec(record);
@@ -870,7 +876,8 @@ static int __init keyspan_pda_init(void)
 	retval = usb_register(&keyspan_pda_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 #ifdef XIRCOM
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index b84dddc7112..dc36a052766 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -182,12 +182,12 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
 			sizeof(struct klsi_105_port_settings),
 			KLSI_TIMEOUT);
 	if (rc < 0)
-		err("Change port settings failed (error = %d)", rc);
-	info("%s - %d byte block, baudrate %x, databits %d, u1 %d, u2 %d",
-	    __func__,
-	    settings->pktlen,
-	    settings->baudrate, settings->databits,
-	    settings->unknown1, settings->unknown2);
+		dev_err(&port->dev,
+			"Change port settings failed (error = %d)\n", rc);
+	dev_info(&port->serial->dev->dev,
+		 "%d byte block, baudrate %x, databits %d, u1 %d, u2 %d\n",
+		 settings->pktlen, settings->baudrate, settings->databits,
+		 settings->unknown1, settings->unknown2);
 	return rc;
 } /* klsi_105_chg_port_settings */
 
@@ -215,7 +215,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 	__u8 status_buf[KLSI_STATUSBUF_LEN] = { -1, -1};
 	__u16 status;
 
-	info("%s - sending SIO Poll request", __func__);
+	dev_info(&port->serial->dev->dev, "sending SIO Poll request\n");
 	rc = usb_control_msg(port->serial->dev,
 			     usb_rcvctrlpipe(port->serial->dev, 0),
 			     KL5KUSB105A_SIO_POLL,
@@ -226,12 +226,13 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 			     10000
 			     );
 	if (rc < 0)
-		err("Reading line status failed (error = %d)", rc);
+		dev_err(&port->dev, "Reading line status failed (error = %d)\n",
+			rc);
 	else {
 		status = get_unaligned_le16(status_buf);
 
-		info("%s - read status %x %x", __func__,
-		     status_buf[0], status_buf[1]);
+		dev_info(&port->serial->dev->dev, "read status %x %x",
+			 status_buf[0], status_buf[1]);
 
 		*line_state_p = klsi_105_status2linestate(status);
 	}
@@ -280,15 +281,16 @@ static int klsi_105_startup(struct usb_serial *serial)
 
 			priv->write_urb_pool[j] = urb;
 			if (urb == NULL) {
-				err("No more urbs???");
+				dev_err(&serial->dev->dev, "No more urbs???\n");
 				goto err_cleanup;
 			}
 
 			urb->transfer_buffer =
 				kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("%s - out of memory for urb buffers.",
-								__func__);
+				dev_err(&serial->dev->dev,
+					"%s - out of memory for urb buffers.\n",
+					__func__);
 				goto err_cleanup;
 			}
 		}
@@ -409,7 +411,8 @@ static int  klsi_105_open(struct tty_struct *tty,
 
 	rc = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (rc) {
-		err("%s - failed submitting read urb, error %d", __func__, rc);
+		dev_err(&port->dev, "%s - failed submitting read urb, "
+			"error %d\n", __func__, rc);
 		retval = rc;
 		goto exit;
 	}
@@ -424,7 +427,7 @@ static int  klsi_105_open(struct tty_struct *tty,
 			     0,
 			     KLSI_TIMEOUT);
 	if (rc < 0) {
-		err("Enabling read failed (error = %d)", rc);
+		dev_err(&port->dev, "Enabling read failed (error = %d)\n", rc);
 		retval = rc;
 	} else
 		dbg("%s - enabled reading", __func__);
@@ -464,7 +467,8 @@ static void klsi_105_close(struct tty_struct *tty,
 				     NULL, 0,
 				     KLSI_TIMEOUT);
 		if (rc < 0)
-			err("Disabling read failed (error = %d)", rc);
+			dev_err(&port->dev,
+				"Disabling read failed (error = %d)\n", rc);
 	}
 	mutex_unlock(&port->serial->disc_mutex);
 
@@ -475,8 +479,9 @@ static void klsi_105_close(struct tty_struct *tty,
 	/* FIXME */
 	/* wgg - do I need this? I think so. */
 	usb_kill_urb(port->interrupt_in_urb);
-	info("kl5kusb105 port stats: %ld bytes in, %ld bytes out",
-					priv->bytes_in, priv->bytes_out);
+	dev_info(&port->serial->dev->dev,
+		 "port stats: %ld bytes in, %ld bytes out\n",
+		 priv->bytes_in, priv->bytes_out);
 } /* klsi_105_close */
 
 
@@ -522,7 +527,9 @@ static int klsi_105_write(struct tty_struct *tty,
 			urb->transfer_buffer =
 				kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
 			if (urb->transfer_buffer == NULL) {
-				err("%s - no more kernel memory...", __func__);
+				dev_err(&port->dev,
+					"%s - no more kernel memory...\n",
+					__func__);
 				goto exit;
 			}
 		}
@@ -549,8 +556,9 @@ static int klsi_105_write(struct tty_struct *tty,
 		/* send the data out the bulk port */
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			goto exit;
 		}
 		buf += size;
@@ -658,7 +666,7 @@ static void klsi_105_read_bulk_callback(struct urb *urb)
 	} else {
 		int bytes_sent = ((__u8 *) data)[0] +
 				 ((unsigned int) ((__u8 *) data)[1] << 8);
-		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		/* we should immediately resubmit the URB, before attempting
 		 * to pass the data on to the tty layer. But that needs locking
 		 * against re-entry an then mixed-up data because of
@@ -679,6 +687,7 @@ static void klsi_105_read_bulk_callback(struct urb *urb)
 		tty_buffer_request_room(tty, bytes_sent);
 		tty_insert_flip_string(tty, data + 2, bytes_sent);
 		tty_flip_buffer_push(tty);
+		tty_kref_put(tty);
 
 		/* again lockless, but debug info only */
 		priv->bytes_in += bytes_sent;
@@ -693,8 +702,9 @@ static void klsi_105_read_bulk_callback(struct urb *urb)
 		      port);
 	rc = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (rc)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, rc);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, rc);
 } /* klsi_105_read_bulk_callback */
 
 
@@ -798,7 +808,8 @@ static void klsi_105_set_termios(struct tty_struct *tty,
 			priv->cfg.databits = kl5kusb105a_dtb_8;
 			break;
 		default:
-			err("CSIZE was not CS5-CS8, using default of 8");
+			dev_err(&port->dev,
+				"CSIZE was not CS5-CS8, using default of 8\n");
 			priv->cfg.databits = kl5kusb105a_dtb_8;
 			break;
 		}
@@ -885,7 +896,8 @@ static int klsi_105_tiocmget(struct tty_struct *tty, struct file *file)
 
 	rc = klsi_105_get_line_state(port, &line_state);
 	if (rc < 0) {
-		err("Reading line control failed (error = %d)", rc);
+		dev_err(&port->dev,
+			"Reading line control failed (error = %d)\n", rc);
 		/* better return value? EAGAIN? */
 		return rc;
 	}
@@ -943,8 +955,9 @@ static void klsi_105_unthrottle(struct tty_struct *tty)
 	port->read_urb->dev = port->serial->dev;
 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed submitting read urb, error %d", __func__,
-		    result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 }
 
 
@@ -959,7 +972,8 @@ static int __init klsi_105_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&kl5kusb105d_device);
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index deba28ec77e..6286baad939 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -383,7 +383,7 @@ static void kobil_read_int_callback(struct urb *urb)
 		return;
 	}
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (urb->actual_length) {
 
 		/* BEGIN DEBUG */
@@ -405,6 +405,7 @@ static void kobil_read_int_callback(struct urb *urb)
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 	/* someone sets the dev to 0 if the close method has been called */
 	port->interrupt_in_urb->dev = port->serial->dev;
 
@@ -743,8 +744,8 @@ static int __init kobil_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 0ded8bd6ec8..07710cf31d0 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -246,7 +246,8 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 				0, 0, &divisor, MCT_U232_SET_BAUD_RATE_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)	/*FIXME: What value speed results */
-		err("Set BAUD RATE %d failed (error = %d)", value, rc);
+		dev_err(&port->dev, "Set BAUD RATE %d failed (error = %d)\n",
+			value, rc);
 	else
 		tty_encode_baud_rate(tty, speed, speed);
 	dbg("set_baud_rate: value: 0x%x, divisor: 0x%x", value, divisor);
@@ -274,8 +275,9 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 				0, 0, &zero_byte, MCT_U232_SET_UNKNOWN1_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)
-		err("Sending USB device request code %d failed (error = %d)",
-		    MCT_U232_SET_UNKNOWN1_REQUEST, rc);
+		dev_err(&port->dev, "Sending USB device request code %d "
+			"failed (error = %d)\n", MCT_U232_SET_UNKNOWN1_REQUEST,
+			rc);
 
 	if (port && C_CRTSCTS(tty))
 	   cts_enable_byte = 1;
@@ -288,8 +290,8 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 			0, 0, &cts_enable_byte, MCT_U232_SET_CTS_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Sending USB device request code %d failed (error = %d)",
-					MCT_U232_SET_CTS_REQUEST, rc);
+		dev_err(&port->dev, "Sending USB device request code %d "
+			"failed (error = %d)\n", MCT_U232_SET_CTS_REQUEST, rc);
 
 	return rc;
 } /* mct_u232_set_baud_rate */
@@ -303,7 +305,8 @@ static int mct_u232_set_line_ctrl(struct usb_serial *serial, unsigned char lcr)
 			0, 0, &lcr, MCT_U232_SET_LINE_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Set LINE CTRL 0x%x failed (error = %d)", lcr, rc);
+		dev_err(&serial->dev->dev,
+			"Set LINE CTRL 0x%x failed (error = %d)\n", lcr, rc);
 	dbg("set_line_ctrl: 0x%x", lcr);
 	return rc;
 } /* mct_u232_set_line_ctrl */
@@ -325,7 +328,8 @@ static int mct_u232_set_modem_ctrl(struct usb_serial *serial,
 			0, 0, &mcr, MCT_U232_SET_MODEM_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Set MODEM CTRL 0x%x failed (error = %d)", mcr, rc);
+		dev_err(&serial->dev->dev,
+			"Set MODEM CTRL 0x%x failed (error = %d)\n", mcr, rc);
 	dbg("set_modem_ctrl: state=0x%x ==> mcr=0x%x", control_state, mcr);
 
 	return rc;
@@ -341,7 +345,8 @@ static int mct_u232_get_modem_stat(struct usb_serial *serial,
 			0, 0, msr, MCT_U232_GET_MODEM_STAT_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0) {
-		err("Get MODEM STATus failed (error = %d)", rc);
+		dev_err(&serial->dev->dev,
+			"Get MODEM STATus failed (error = %d)\n", rc);
 		*msr = 0;
 	}
 	dbg("get_modem_stat: 0x%x", *msr);
@@ -470,8 +475,9 @@ static int  mct_u232_open(struct tty_struct *tty,
 	port->read_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (retval) {
-		err("usb_submit_urb(read bulk) failed pipe 0x%x err %d",
-		    port->read_urb->pipe, retval);
+		dev_err(&port->dev,
+			"usb_submit_urb(read bulk) failed pipe 0x%x err %d\n",
+			port->read_urb->pipe, retval);
 		goto error;
 	}
 
@@ -479,8 +485,9 @@ static int  mct_u232_open(struct tty_struct *tty,
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (retval) {
 		usb_kill_urb(port->read_urb);
-		err(" usb_submit_urb(read int) failed pipe 0x%x err %d",
-		    port->interrupt_in_urb->pipe, retval);
+		dev_err(&port->dev,
+			"usb_submit_urb(read int) failed pipe 0x%x err %d",
+			port->interrupt_in_urb->pipe, retval);
 		goto error;
 	}
 	return 0;
@@ -563,10 +570,11 @@ static void mct_u232_read_int_callback(struct urb *urb)
 	 * Work-a-round: handle the 'usual' bulk-in pipe here
 	 */
 	if (urb->transfer_buffer_length > 2) {
-		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		if (urb->actual_length) {
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
+			tty_kref_put(tty);
 		}
 		goto exit;
 	}
@@ -591,7 +599,7 @@ static void mct_u232_read_int_callback(struct urb *urb)
 	 * to look in to this before committing any code.
 	 */
 	if (priv->last_lsr & MCT_U232_LSR_ERR) {
-		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		/* Overrun Error */
 		if (priv->last_lsr & MCT_U232_LSR_OE) {
 		}
@@ -604,14 +612,16 @@ static void mct_u232_read_int_callback(struct urb *urb)
 		/* Break Indicator */
 		if (priv->last_lsr & MCT_U232_LSR_BI) {
 		}
+		tty_kref_put(tty);
 	}
 #endif
 	spin_unlock_irqrestore(&priv->lock, flags);
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&port->dev,
+			"%s - usb_submit_urb failed with result %d\n",
+			__func__, retval);
 } /* mct_u232_read_int_callback */
 
 static void mct_u232_set_termios(struct tty_struct *tty,
@@ -678,7 +688,8 @@ static void mct_u232_set_termios(struct tty_struct *tty,
 	case CS8:
 		last_lcr |= MCT_U232_DATA_BITS_8; break;
 	default:
-		err("CSIZE was not CS5-CS8, using default of 8");
+		dev_err(&port->dev,
+			"CSIZE was not CS5-CS8, using default of 8\n");
 		last_lcr |= MCT_U232_DATA_BITS_8;
 		break;
 	}
@@ -815,7 +826,8 @@ static int __init mct_u232_init(void)
 	retval = usb_register(&mct_u232_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&mct_u232_device);
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 7c4917d77c0..e772cc0a97f 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -216,12 +216,13 @@ static void mos7720_bulk_in_callback(struct urb *urb)
 
 	data = urb->transfer_buffer;
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	if (!port->read_urb) {
 		dbg("URB KILLED !!!");
@@ -262,10 +263,11 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
 
 	dbg("Entering .........");
 
-	tty = mos7720_port->port->port.tty;
+	tty = tty_port_tty_get(&mos7720_port->port->port);
 
 	if (tty && mos7720_port->open)
 		tty_wakeup(tty);
+	tty_kref_put(tty);
 }
 
 /*
@@ -353,14 +355,16 @@ static int mos7720_open(struct tty_struct *tty,
 		mos7720_port->write_urb_pool[j] = urb;
 
 		if (urb == NULL) {
-			err("No more urbs???");
+			dev_err(&port->dev, "No more urbs???\n");
 			continue;
 		}
 
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 					       GFP_KERNEL);
 		if (!urb->transfer_buffer) {
-			err("%s-out of memory for urb buffers.", __func__);
+			dev_err(&port->dev,
+				"%s-out of memory for urb buffers.\n",
+				__func__);
 			usb_free_urb(mos7720_port->write_urb_pool[j]);
 			mos7720_port->write_urb_pool[j] = NULL;
 			continue;
@@ -692,7 +696,8 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 					       GFP_KERNEL);
 		if (urb->transfer_buffer == NULL) {
-			err("%s no more kernel memory...", __func__);
+			dev_err(&port->dev, "%s no more kernel memory...\n",
+				__func__);
 			goto exit;
 		}
 	}
@@ -712,8 +717,8 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
 	/* send it down the pipe */
 	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
-		err("%s - usb_submit_urb(write bulk) failed with status = %d",
-		    __func__, status);
+		dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
+			"with status = %d\n", __func__, status);
 		bytes_sent = status;
 		goto exit;
 	}
@@ -973,7 +978,7 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port,
 	/* Calculate the Divisor */
 	status = calc_baud_rate_divisor(baudrate, &divisor);
 	if (status) {
-		err("%s - bad baud rate", __func__);
+		dev_err(&port->dev, "%s - bad baud rate\n", __func__);
 		return status;
 	}
 
@@ -1267,29 +1272,6 @@ static int get_lsr_info(struct tty_struct *tty,
 	return 0;
 }
 
-/*
- * get_number_bytes_avail - get number of bytes available
- *
- * Purpose: Let user call ioctl to get the count of number of bytes available.
- */
-static int get_number_bytes_avail(struct moschip_port *mos7720_port,
-				  unsigned int __user *value)
-{
-	unsigned int result = 0;
-	struct tty_struct *tty = mos7720_port->port->port.tty;
-
-	if (!tty)
-		return -ENOIOCTLCMD;
-
-	result = tty->read_cnt;
-
-	dbg("%s(%d) = %d", __func__,  mos7720_port->port->number, result);
-	if (copy_to_user(value, &result, sizeof(int)))
-		return -EFAULT;
-
-	return -ENOIOCTLCMD;
-}
-
 static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
 			  unsigned int __user *value)
 {
@@ -1409,13 +1391,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
 	dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd);
 
 	switch (cmd) {
-	case TIOCINQ:
-		/* return number of bytes available */
-		dbg("%s (%d) TIOCINQ", __func__,  port->number);
-		return get_number_bytes_avail(mos7720_port,
-					      (unsigned int __user *)arg);
-		break;
-
 	case TIOCSERGETLSR:
 		dbg("%s (%d) TIOCSERGETLSR", __func__,  port->number);
 		return get_lsr_info(tty, mos7720_port,
@@ -1506,7 +1481,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	/* create our private serial structure */
 	mos7720_serial = kzalloc(sizeof(struct moschip_serial), GFP_KERNEL);
 	if (mos7720_serial == NULL) {
-		err("%s - Out of memory", __func__);
+		dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 		return -ENOMEM;
 	}
 
@@ -1519,7 +1494,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	for (i = 0; i < serial->num_ports; ++i) {
 		mos7720_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
 		if (mos7720_port == NULL) {
-			err("%s - Out of memory", __func__);
+			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 			usb_set_serial_data(serial, NULL);
 			kfree(mos7720_serial);
 			return -ENOMEM;
@@ -1613,7 +1588,8 @@ static int __init moschip7720_init(void)
 	if (retval)
 		goto failed_port_device_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* Register with the usb */
 	retval = usb_register(&usb_driver);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 09d82062b97..fda4a6421c4 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -709,12 +709,13 @@ static void mos7840_bulk_in_callback(struct urb *urb)
 	dbg("%s", "Entering ........... \n");
 
 	if (urb->actual_length) {
-		tty = mos7840_port->port->port.tty;
+		tty = tty_port_tty_get(&mos7840_port->port->port);
 		if (tty) {
 			tty_buffer_request_room(tty, urb->actual_length);
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			dbg(" %s \n", data);
 			tty_flip_buffer_push(tty);
+			tty_kref_put(tty);
 		}
 		mos7840_port->icount.rx += urb->actual_length;
 		smp_wmb();
@@ -773,10 +774,10 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
 
 	dbg("%s \n", "Entering .........");
 
-	tty = mos7840_port->port->port.tty;
-
+	tty = tty_port_tty_get(&mos7840_port->port->port);
 	if (tty && mos7840_port->open)
 		tty_wakeup(tty);
+	tty_kref_put(tty);
 
 }
 
@@ -843,7 +844,7 @@ static int mos7840_open(struct tty_struct *tty,
 		mos7840_port->write_urb_pool[j] = urb;
 
 		if (urb == NULL) {
-			err("No more urbs???");
+			dev_err(&port->dev, "No more urbs???\n");
 			continue;
 		}
 
@@ -852,7 +853,9 @@ static int mos7840_open(struct tty_struct *tty,
 		if (!urb->transfer_buffer) {
 			usb_free_urb(urb);
 			mos7840_port->write_urb_pool[j] = NULL;
-			err("%s-out of memory for urb buffers.", __func__);
+			dev_err(&port->dev,
+				"%s-out of memory for urb buffers.\n",
+				__func__);
 			continue;
 		}
 	}
@@ -1020,8 +1023,8 @@ static int mos7840_open(struct tty_struct *tty,
 			    usb_submit_urb(serial->port[0]->interrupt_in_urb,
 					   GFP_KERNEL);
 			if (response) {
-				err("%s - Error %d submitting interrupt urb",
-				    __func__, response);
+				dev_err(&port->dev, "%s - Error %d submitting "
+					"interrupt urb\n", __func__, response);
 			}
 
 		}
@@ -1054,8 +1057,8 @@ static int mos7840_open(struct tty_struct *tty,
 	    port->bulk_in_endpointAddress);
 	response = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL);
 	if (response) {
-		err("%s - Error %d submitting control urb", __func__,
-		    response);
+		dev_err(&port->dev, "%s - Error %d submitting control urb\n",
+			__func__, response);
 	}
 
 	/* initialize our wait queues */
@@ -1491,7 +1494,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
 		    kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
 
 		if (urb->transfer_buffer == NULL) {
-			err("%s no more kernel memory...", __func__);
+			dev_err(&port->dev, "%s no more kernel memory...\n",
+				__func__);
 			goto exit;
 		}
 	}
@@ -1516,8 +1520,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	if (status) {
 		mos7840_port->busy[i] = 0;
-		err("%s - usb_submit_urb(write bulk) failed with status = %d",
-		    __func__, status);
+		dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
+			"with status = %d\n", __func__, status);
 		bytes_sent = status;
 		goto exit;
 	}
@@ -1855,8 +1859,7 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port,
 		/* Calculate the Divisor */
 
 		if (status) {
-			err("%s - bad baud rate", __func__);
-			dbg("%s\n", "bad baud rate");
+			dev_err(&port->dev, "%s - bad baud rate\n", __func__);
 			return status;
 		}
 		/* Enable access to divisor latch */
@@ -2445,7 +2448,7 @@ static int mos7840_startup(struct usb_serial *serial)
 	for (i = 0; i < serial->num_ports; ++i) {
 		mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
 		if (mos7840_port == NULL) {
-			err("%s - Out of memory", __func__);
+			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 			status = -ENOMEM;
 			i--; /* don't follow NULL pointer cleaning up */
 			goto error;
@@ -2742,7 +2745,8 @@ static int __init moschip7840_init(void)
 		goto failed_port_device_register;
 
 	dbg("%s\n", "Entring...");
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* Register with the usb */
 	retval = usb_register(&io_driver);
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index d6736531a0f..bcdcbb82270 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -64,12 +64,13 @@ static void navman_read_int_callback(struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __func__,
 			      urb->actual_length, data);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 exit:
 	result = usb_submit_urb(urb, GFP_ATOMIC);
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index ae8e227f3db..df653971272 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -154,8 +154,8 @@ static int omninet_attach(struct usb_serial *serial)
 
 	od = kmalloc(sizeof(struct omninet_data), GFP_KERNEL);
 	if (!od) {
-		err("%s- kmalloc(%Zd) failed.",
-				__func__, sizeof(struct omninet_data));
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n",
+			__func__, sizeof(struct omninet_data));
 		return -ENOMEM;
 	}
 	usb_set_serial_port_data(port, od);
@@ -172,7 +172,7 @@ static int omninet_open(struct tty_struct *tty,
 	dbg("%s - port %d", __func__, port->number);
 
 	wport = serial->port[1];
-	wport->port.tty = tty;		/* FIXME */
+	tty_port_tty_set(&wport->port, tty);
 
 	/* Start reading from the device */
 	usb_fill_bulk_urb(port->read_urb, serial->dev,
@@ -183,8 +183,9 @@ static int omninet_open(struct tty_struct *tty,
 			omninet_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result)
-		err("%s - failed submitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 	return result;
 }
 
@@ -229,9 +230,11 @@ static void omninet_read_bulk_callback(struct urb *urb)
 	}
 
 	if (urb->actual_length && header->oh_len) {
-		tty_insert_flip_string(port->port.tty,
-			data + OMNINET_DATAOFFSET, header->oh_len);
-		tty_flip_buffer_push(port->port.tty);
+		struct tty_struct *tty = tty_port_tty_get(&port->port);
+		tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET,
+							header->oh_len);
+		tty_flip_buffer_push(tty);
+		tty_kref_put(tty);
 	}
 
 	/* Continue trying to always read  */
@@ -242,8 +245,9 @@ static void omninet_read_bulk_callback(struct urb *urb)
 			omninet_read_bulk_callback, port);
 	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-						__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 
 	return;
 }
@@ -296,8 +300,9 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
 	result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
 	if (result) {
 		wport->write_urb_busy = 0;
-		err("%s - failed submitting write urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, result);
 	} else
 		result = count;
 
@@ -362,7 +367,8 @@ static int __init omninet_init(void)
 	retval = usb_register(&omninet_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&zyxel_omninet_device);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 73f8277f88f..3d87eabcd92 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -79,27 +79,16 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define OPTION_PRODUCT_VIPER			0x6600
 #define OPTION_PRODUCT_VIPER_BUS		0x6601
 #define OPTION_PRODUCT_GT_MAX_READY		0x6701
-#define OPTION_PRODUCT_GT_MAX			0x6711
 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT		0x6721
 #define OPTION_PRODUCT_FUJI_MODEM_GT		0x6741
 #define OPTION_PRODUCT_FUJI_MODEM_EX		0x6761
-#define OPTION_PRODUCT_FUJI_NETWORK_LIGHT	0x6731
-#define OPTION_PRODUCT_FUJI_NETWORK_GT		0x6751
-#define OPTION_PRODUCT_FUJI_NETWORK_EX		0x6771
 #define OPTION_PRODUCT_KOI_MODEM		0x6800
-#define OPTION_PRODUCT_KOI_NETWORK		0x6811
 #define OPTION_PRODUCT_SCORPION_MODEM		0x6901
-#define OPTION_PRODUCT_SCORPION_NETWORK		0x6911
 #define OPTION_PRODUCT_ETNA_MODEM		0x7001
-#define OPTION_PRODUCT_ETNA_NETWORK		0x7011
 #define OPTION_PRODUCT_ETNA_MODEM_LITE		0x7021
 #define OPTION_PRODUCT_ETNA_MODEM_GT		0x7041
 #define OPTION_PRODUCT_ETNA_MODEM_EX		0x7061
-#define OPTION_PRODUCT_ETNA_NETWORK_LITE	0x7031
-#define OPTION_PRODUCT_ETNA_NETWORK_GT		0x7051
-#define OPTION_PRODUCT_ETNA_NETWORK_EX		0x7071
 #define OPTION_PRODUCT_ETNA_KOI_MODEM		0x7100
-#define OPTION_PRODUCT_ETNA_KOI_NETWORK		0x7111
 
 #define HUAWEI_VENDOR_ID			0x12D1
 #define HUAWEI_PRODUCT_E600			0x1001
@@ -220,6 +209,16 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define ZTE_PRODUCT_MF628			0x0015
 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
 
+/* Ericsson products */
+#define ERICSSON_VENDOR_ID			0x0bdb
+#define ERICSSON_PRODUCT_F3507G			0x1900
+
+/* Pantech products */
+#define PANTECH_VENDOR_ID			0x106c
+#define PANTECH_PRODUCT_PC5740			0x3701
+#define PANTECH_PRODUCT_PC5750			0x3702  /* PX-500 */
+#define PANTECH_PRODUCT_UM150			0x3711
+
 static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -235,27 +234,16 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
@@ -318,7 +306,8 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8136) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8137) },	/* Dell Wireless HSDPA 5520 */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8138) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
-	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
+	{ USB_DEVICE(DELL_VENDOR_ID, 0x8147) },	/* Dell Wireless 5530 Mobile Broadband (3G HSPA) Mini-Card */
+	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
@@ -349,6 +338,10 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
+	{ USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5740) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5750) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_UM150) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -427,7 +420,8 @@ static int __init option_init(void)
 	if (retval)
 		goto failed_driver_register;
 
-	info(DRIVER_DESC ": " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
@@ -571,14 +565,14 @@ static void option_indat_callback(struct urb *urb)
 		dbg("%s: nonzero status: %d on endpoint %02x.",
 		    __func__, status, endpoint);
 	} else {
-		tty = port->port.tty;
+		tty = tty_port_tty_get(&port->port);
 		if (urb->actual_length) {
 			tty_buffer_request_room(tty, urb->actual_length);
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
-		} else {
+		} else 
 			dbg("%s: empty read urb received", __func__);
-		}
+		tty_kref_put(tty);
 
 		/* Resubmit urb so we continue receiving */
 		if (port->port.count && status != -ESHUTDOWN) {
@@ -647,9 +641,13 @@ static void option_instat_callback(struct urb *urb)
 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
 
-			if (port->port.tty && !C_CLOCAL(port->port.tty) &&
-					old_dcd_state && !portdata->dcd_state)
-				tty_hangup(port->port.tty);
+			if (old_dcd_state && !portdata->dcd_state) {
+				struct tty_struct *tty =
+						tty_port_tty_get(&port->port);
+				if (tty && !C_CLOCAL(tty))
+					tty_hangup(tty);
+				tty_kref_put(tty);
+			}
 		} else {
 			dbg("%s: type %x req %x", __func__,
 				req_pkt->bRequestType, req_pkt->bRequest);
@@ -793,7 +791,7 @@ static void option_close(struct tty_struct *tty,
 		for (i = 0; i < N_OUT_URB; i++)
 			usb_kill_urb(portdata->out_urbs[i]);
 	}
-	port->port.tty = NULL;	/* FIXME */
+	tty_port_tty_set(&port->port, NULL);
 }
 
 /* Helper functions used by option_setup_urbs */
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 81db5715ee2..ba551f00f16 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -224,10 +224,6 @@ struct oti6858_private {
 	struct usb_serial_port *port;   /* USB port with which associated */
 };
 
-#undef dbg
-/* #define dbg(format, arg...) printk(KERN_INFO "%s: " format "\n", __FILE__, ## arg) */
-#define dbg(format, arg...) printk(KERN_INFO "" format "\n", ## arg)
-
 static void setup_line(struct work_struct *work)
 {
 	struct oti6858_private *priv = container_of(work,
@@ -1002,11 +998,12 @@ static void oti6858_read_bulk_callback(struct urb *urb)
 		return;
 	}
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty != NULL && urb->actual_length > 0) {
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* schedule the interrupt urb if we are still open */
 	if (port->port.count != 0) {
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1ede1441cb1..491c8857b64 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -154,7 +154,6 @@ struct pl2303_private {
 	wait_queue_head_t delta_msr_wait;
 	u8 line_control;
 	u8 line_status;
-	u8 termios_initialized;
 	enum pl2303_type type;
 };
 
@@ -526,16 +525,6 @@ static void pl2303_set_termios(struct tty_struct *tty,
 
 	dbg("%s -  port %d", __func__, port->number);
 
-	spin_lock_irqsave(&priv->lock, flags);
-	if (!priv->termios_initialized) {
-		*(tty->termios) = tty_std_termios;
-		tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-		tty->termios->c_ispeed = 9600;
-		tty->termios->c_ospeed = 9600;
-		priv->termios_initialized = 1;
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
 	/* The PL2303 is reported to lose bytes if you change
 	   serial settings even to the same values as before. Thus
 	   we actually need to filter in this specific case */
@@ -1057,7 +1046,7 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 		tty_flag = TTY_FRAME;
 	dbg("%s - tty_flag = %d", __func__, tty_flag);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length + 1);
 		/* overrun is special, not associated with a char */
@@ -1067,7 +1056,7 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 			tty_insert_flip_char(tty, data[i], tty_flag);
 		tty_flip_buffer_push(tty);
 	}
-
+	tty_kref_put(tty);
 	/* Schedule the next read _if_ we are still open */
 	if (port->port.count) {
 		urb->dev = port->serial->dev;
@@ -1158,7 +1147,7 @@ static int __init pl2303_init(void)
 	retval = usb_register(&pl2303_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&pl2303_device);
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index def52d07a4e..4b463cd140e 100644
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -217,6 +217,7 @@ static void safe_read_bulk_callback(struct urb *urb)
 	struct usb_serial_port *port =  urb->context;
 	unsigned char *data = urb->transfer_buffer;
 	unsigned char length = urb->actual_length;
+	struct tty_struct *tty;
 	int result;
 	int status = urb->status;
 
@@ -242,28 +243,31 @@ static void safe_read_bulk_callback(struct urb *urb)
 		printk("\n");
 	}
 #endif
+	tty = tty_port_tty_get(&port->port);
 	if (safe) {
 		__u16 fcs;
 		fcs = fcs_compute10(data, length, CRC10_INITFCS);
 		if (!fcs) {
 			int actual_length = data[length - 2] >> 2;
 			if (actual_length <= (length - 2)) {
-				info("%s - actual: %d", __func__,
-							actual_length);
-				tty_insert_flip_string(port->port.tty,
+				dev_info(&urb->dev->dev, "%s - actual: %d\n",
+					 __func__, actual_length);
+				tty_insert_flip_string(tty,
 							data, actual_length);
-				tty_flip_buffer_push(port->port.tty);
+				tty_flip_buffer_push(tty);
 			} else {
-				err("%s - inconsistent lengths %d:%d",
+				dev_err(&port->dev,
+					"%s - inconsistent lengths %d:%d\n",
 					__func__, actual_length, length);
 			}
 		} else {
-			err("%s - bad CRC %x", __func__, fcs);
+			dev_err(&port->dev, "%s - bad CRC %x\n", __func__, fcs);
 		}
 	} else {
-		tty_insert_flip_string(port->port.tty, data, length);
-		tty_flip_buffer_push(port->port.tty);
+		tty_insert_flip_string(tty, data, length);
+		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Continue trying to always read  */
 	usb_fill_bulk_urb(urb, port->serial->dev,
@@ -274,8 +278,9 @@ static void safe_read_bulk_callback(struct urb *urb)
 
 	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 		/* FIXME: Need a mechanism to retry later if this happens */
 }
 
@@ -366,8 +371,9 @@ static int safe_write(struct tty_struct *tty, struct usb_serial_port *port,
 	result = usb_submit_urb(port->write_urb, GFP_KERNEL);
 	if (result) {
 		port->write_urb_busy = 0;
-		err("%s - failed submitting write urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, result);
 		return 0;
 	}
 	dbg("%s urb: %p submitted", __func__, port->write_urb);
@@ -425,14 +431,13 @@ static int __init safe_init(void)
 {
 	int i, retval;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
-	info("vendor: %x product: %x safe: %d padded: %d\n",
-					vendor, product, safe, padded);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* if we have vendor / product parameters patch them into id list */
 	if (vendor || product) {
-		info("vendor: %x product: %x\n", vendor, product);
+		printk(KERN_INFO KBUILD_MODNAME ": vendor: %x product: %x\n",
+		       vendor, product);
 
 		for (i = 0; i < ARRAY_SIZE(id_table); i++) {
 			if (!id_table[i].idVendor && !id_table[i].idProduct) {
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index ea1a103c99b..0f2b67244af 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -247,7 +247,7 @@ static int sierra_send_setup(struct tty_struct *tty,
 	struct sierra_port_private *portdata;
 	__u16 interface = 0;
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 
 	portdata = usb_get_serial_port_data(port);
 
@@ -284,7 +284,7 @@ static int sierra_send_setup(struct tty_struct *tty,
 static void sierra_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 	tty_termios_copy_hw(tty->termios, old_termios);
 	sierra_send_setup(tty, port);
 }
@@ -295,6 +295,7 @@ static int sierra_tiocmget(struct tty_struct *tty, struct file *file)
 	unsigned int value;
 	struct sierra_port_private *portdata;
 
+	dev_dbg(&port->dev, "%s", __func__);
 	portdata = usb_get_serial_port_data(port);
 
 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
@@ -334,14 +335,14 @@ static void sierra_outdat_callback(struct urb *urb)
 	int status = urb->status;
 	unsigned long flags;
 
-	dbg("%s - port %d", __func__, port->number);
+	dev_dbg(&port->dev, "%s - port %d", __func__, port->number);
 
 	/* free up the transfer buffer, as usb_free_urb() does not do this */
 	kfree(urb->transfer_buffer);
 
 	if (status)
-		dbg("%s - nonzero write bulk status received: %d",
-		    __func__, status);
+		dev_dbg(&port->dev, "%s - nonzero write bulk status "
+		    "received: %d", __func__, status);
 
 	spin_lock_irqsave(&portdata->lock, flags);
 	--portdata->outstanding_urbs;
@@ -363,12 +364,12 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	portdata = usb_get_serial_port_data(port);
 
-	dbg("%s: write (%d chars)", __func__, count);
+	dev_dbg(&port->dev, "%s: write (%d chars)", __func__, count);
 
 	spin_lock_irqsave(&portdata->lock, flags);
 	if (portdata->outstanding_urbs > N_OUT_URB) {
 		spin_unlock_irqrestore(&portdata->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
 		return 0;
 	}
 	portdata->outstanding_urbs++;
@@ -437,17 +438,18 @@ static void sierra_indat_callback(struct urb *urb)
 	port =  urb->context;
 
 	if (status) {
-		dbg("%s: nonzero status: %d on endpoint %02x.",
-		    __func__, status, endpoint);
+		dev_dbg(&port->dev, "%s: nonzero status: %d on"
+		    " endpoint %02x.", __func__, status, endpoint);
 	} else {
-		tty = port->port.tty;
 		if (urb->actual_length) {
+		tty = tty_port_tty_get(&port->port);
 			tty_buffer_request_room(tty, urb->actual_length);
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
-		} else {
-			dbg("%s: empty read urb received", __func__);
-		}
+			tty_kref_put(tty);
+		} else
+			dev_dbg(&port->dev, "%s: empty read urb"
+				" received", __func__);
 
 		/* Resubmit urb so we continue receiving */
 		if (port->port.count && status != -ESHUTDOWN) {
@@ -468,15 +470,17 @@ static void sierra_instat_callback(struct urb *urb)
 	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
 	struct usb_serial *serial = port->serial;
 
-	dbg("%s", __func__);
-	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
+	dev_dbg(&port->dev, "%s", __func__);
+	dev_dbg(&port->dev, "%s: urb %p port %p has data %p", __func__,
+		urb, port, portdata);
 
 	if (status == 0) {
 		struct usb_ctrlrequest *req_pkt =
 				(struct usb_ctrlrequest *)urb->transfer_buffer;
 
 		if (!req_pkt) {
-			dbg("%s: NULL req_pkt\n", __func__);
+			dev_dbg(&port->dev, "%s: NULL req_pkt\n",
+				__func__);
 			return;
 		}
 		if ((req_pkt->bRequestType == 0xA1) &&
@@ -485,8 +489,10 @@ static void sierra_instat_callback(struct urb *urb)
 			unsigned char signals = *((unsigned char *)
 					urb->transfer_buffer +
 					sizeof(struct usb_ctrlrequest));
+			struct tty_struct *tty;
 
-			dbg("%s: signal x%x", __func__, signals);
+			dev_dbg(&port->dev, "%s: signal x%x", __func__,
+				signals);
 
 			old_dcd_state = portdata->dcd_state;
 			portdata->cts_state = 1;
@@ -494,23 +500,26 @@ static void sierra_instat_callback(struct urb *urb)
 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
 
-			if (port->port.tty && !C_CLOCAL(port->port.tty) &&
+			tty = tty_port_tty_get(&port->port);
+			if (tty && !C_CLOCAL(tty) &&
 					old_dcd_state && !portdata->dcd_state)
-				tty_hangup(port->port.tty);
+				tty_hangup(tty);
+			tty_kref_put(tty);
 		} else {
-			dbg("%s: type %x req %x", __func__,
-				req_pkt->bRequestType, req_pkt->bRequest);
+			dev_dbg(&port->dev, "%s: type %x req %x",
+				__func__, req_pkt->bRequestType,
+				req_pkt->bRequest);
 		}
 	} else
-		dbg("%s: error %d", __func__, status);
+		dev_dbg(&port->dev, "%s: error %d", __func__, status);
 
 	/* Resubmit urb so we continue receiving IRQ data */
 	if (status != -ESHUTDOWN) {
 		urb->dev = serial->dev;
 		err = usb_submit_urb(urb, GFP_ATOMIC);
 		if (err)
-			dbg("%s: resubmit intr urb failed. (%d)",
-				__func__, err);
+			dev_dbg(&port->dev, "%s: resubmit intr urb "
+				"failed. (%d)",	__func__, err);
 	}
 }
 
@@ -520,14 +529,14 @@ static int sierra_write_room(struct tty_struct *tty)
 	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
 	unsigned long flags;
 
-	dbg("%s - port %d", __func__, port->number);
+	dev_dbg(&port->dev, "%s - port %d", __func__, port->number);
 
 	/* try to give a good number back based on if we have any free urbs at
 	 * this point in time */
 	spin_lock_irqsave(&portdata->lock, flags);
 	if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
 		spin_unlock_irqrestore(&portdata->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
 		return 0;
 	}
 	spin_unlock_irqrestore(&portdata->lock, flags);
@@ -546,7 +555,7 @@ static int sierra_open(struct tty_struct *tty,
 
 	portdata = usb_get_serial_port_data(port);
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 
 	/* Set some sane defaults */
 	portdata->rts_state = 1;
@@ -558,8 +567,8 @@ static int sierra_open(struct tty_struct *tty,
 		if (!urb)
 			continue;
 		if (urb->dev != serial->dev) {
-			dbg("%s: dev %p != %p", __func__,
-				urb->dev, serial->dev);
+			dev_dbg(&port->dev, "%s: dev %p != %p",
+				 __func__, urb->dev, serial->dev);
 			continue;
 		}
 
@@ -598,7 +607,7 @@ static void sierra_close(struct tty_struct *tty,
 	struct usb_serial *serial = port->serial;
 	struct sierra_port_private *portdata;
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 	portdata = usb_get_serial_port_data(port);
 
 	portdata->rts_state = 0;
@@ -616,8 +625,7 @@ static void sierra_close(struct tty_struct *tty,
 	}
 
 	usb_kill_urb(port->interrupt_in_urb);
-
-	port->port.tty = NULL;	/* FIXME */
+	tty_port_tty_set(&port->port, NULL);
 }
 
 static int sierra_startup(struct usb_serial *serial)
@@ -628,7 +636,7 @@ static int sierra_startup(struct usb_serial *serial)
 	int i;
 	int j;
 
-	dbg("%s", __func__);
+	dev_dbg(&serial->dev->dev, "%s", __func__);
 
 	/* Set Device mode to D0 */
 	sierra_set_power_state(serial->dev, 0x0000);
@@ -642,8 +650,9 @@ static int sierra_startup(struct usb_serial *serial)
 		port = serial->port[i];
 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
 		if (!portdata) {
-			dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
-					__func__, i);
+			dev_dbg(&port->dev, "%s: kmalloc for "
+				"sierra_port_private (%d) failed!.",
+				__func__, i);
 			return -ENOMEM;
 		}
 		spin_lock_init(&portdata->lock);
@@ -663,8 +672,8 @@ static int sierra_startup(struct usb_serial *serial)
 		for (j = 0; j < N_IN_URB; ++j) {
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (urb == NULL) {
-				dbg("%s: alloc for in port failed.",
-				    __func__);
+				dev_dbg(&port->dev, "%s: alloc for in "
+					"port failed.", __func__);
 				continue;
 			}
 			/* Fill URB using supplied data. */
@@ -686,7 +695,7 @@ static void sierra_shutdown(struct usb_serial *serial)
 	struct usb_serial_port *port;
 	struct sierra_port_private *portdata;
 
-	dbg("%s", __func__);
+	dev_dbg(&serial->dev->dev, "%s", __func__);
 
 	for (i = 0; i < serial->num_ports; ++i) {
 		port = serial->port[i];
@@ -741,7 +750,8 @@ static int __init sierra_init(void)
 	if (retval)
 		goto failed_driver_register;
 
-	info(DRIVER_DESC ": " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 283cf6b36b2..a65bc2bd8e7 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -589,8 +589,8 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 	case 1000000:
 			buf[0] = 0x0b;	break;
 	default:
-		err("spcp825 driver does not support the baudrate "
-		    "requested, using default of 9600.");
+		dev_err(&port->dev, "spcp825 driver does not support the "
+			"baudrate requested, using default of 9600.\n");
 	}
 
 	/* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */
@@ -629,7 +629,8 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 			    SET_UART_FORMAT_TYPE, SET_UART_FORMAT,
 			    uartdata, 0, NULL, 0, 100);
 	if (i < 0)
-		err("Set UART format %#x failed (error = %d)", uartdata, i);
+		dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n",
+			uartdata, i);
 	dbg("0x21:0x40:0:0  %d\n", i);
 
 	if (cflag & CRTSCTS) {
@@ -755,7 +756,7 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 		tty_flag = TTY_FRAME;
 	dev_dbg(&port->dev, "tty_flag = %d\n", tty_flag);
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
 		tty_buffer_request_room(tty, urb->actual_length + 1);
 		/* overrun is special, not associated with a char */
@@ -765,6 +766,7 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 			tty_insert_flip_char(tty, data[i], tty_flag);
 		tty_flip_buffer_push(tty);
 	}
+	tty_kref_put(tty);
 
 	/* Schedule the next read _if_ we are still open */
 	if (port->port.count) {
@@ -1053,7 +1055,8 @@ static int __init spcp8x5_init(void)
 	retval = usb_register(&spcp8x5_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&spcp8x5_device);
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 9a3e495c769..31c42d1cae1 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -85,7 +85,6 @@
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
-#include <linux/firmware.h>
 
 #include "ti_usb_3410_5052.h"
 
@@ -179,7 +178,7 @@ static int ti_set_mcr(struct ti_port *tport, unsigned int mcr);
 static int ti_get_lsr(struct ti_port *tport);
 static int ti_get_serial_info(struct ti_port *tport,
 	struct serial_struct __user *ret_arg);
-static int ti_set_serial_info(struct ti_port *tport,
+static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
 	struct serial_struct __user *new_arg);
 static void ti_handle_new_msr(struct ti_port *tport, __u8 msr);
 
@@ -383,7 +382,8 @@ static int __init ti_init(void)
 	if (ret)
 		goto failed_usb;
 
-	info(TI_DRIVER_DESC " " TI_DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " TI_DRIVER_VERSION ":"
+	       TI_DRIVER_DESC "\n");
 
 	return 0;
 
@@ -857,8 +857,8 @@ static int ti_ioctl(struct tty_struct *tty, struct file *file,
 				(struct serial_struct __user *)arg);
 	case TIOCSSERIAL:
 		dbg("%s - (%d) TIOCSSERIAL", __func__, port->number);
-		return ti_set_serial_info(tport,
-					(struct serial_struct __user *)arg);
+		return ti_set_serial_info(tty, tport,
+				(struct serial_struct __user *)arg);
 	case TIOCMIWAIT:
 		dbg("%s - (%d) TIOCMIWAIT", __func__, port->number);
 		cprev = tport->tp_icount;
@@ -1211,6 +1211,7 @@ static void ti_bulk_in_callback(struct urb *urb)
 	struct device *dev = &urb->dev->dev;
 	int status = urb->status;
 	int retval = 0;
+	struct tty_struct *tty;
 
 	dbg("%s", __func__);
 
@@ -1239,20 +1240,22 @@ static void ti_bulk_in_callback(struct urb *urb)
 		return;
 	}
 
-	if (port->port.tty && urb->actual_length) {
+	tty = tty_port_tty_get(&port->port);
+	if (tty && urb->actual_length) {
 		usb_serial_debug_data(debug, dev, __func__,
 			urb->actual_length, urb->transfer_buffer);
 
 		if (!tport->tp_is_open)
 			dbg("%s - port closed, dropping data", __func__);
 		else
-			ti_recv(&urb->dev->dev, port->port.tty,
+			ti_recv(&urb->dev->dev, tty,
 						urb->transfer_buffer,
 						urb->actual_length);
 
 		spin_lock(&tport->tp_lock);
 		tport->tp_icount.rx += urb->actual_length;
 		spin_unlock(&tport->tp_lock);
+		tty_kref_put(tty);
 	}
 
 exit:
@@ -1330,7 +1333,7 @@ static void ti_send(struct ti_port *tport)
 {
 	int count, result;
 	struct usb_serial_port *port = tport->tp_port;
-	struct tty_struct *tty = port->port.tty;	/* FIXME */
+	struct tty_struct *tty = tty_port_tty_get(&port->port);	/* FIXME */
 	unsigned long flags;
 
 
@@ -1338,19 +1341,15 @@ static void ti_send(struct ti_port *tport)
 
 	spin_lock_irqsave(&tport->tp_lock, flags);
 
-	if (tport->tp_write_urb_in_use) {
-		spin_unlock_irqrestore(&tport->tp_lock, flags);
-		return;
-	}
+	if (tport->tp_write_urb_in_use)
+		goto unlock;
 
 	count = ti_buf_get(tport->tp_write_buf,
 				port->write_urb->transfer_buffer,
 				port->bulk_out_size);
 
-	if (count == 0) {
-		spin_unlock_irqrestore(&tport->tp_lock, flags);
-		return;
-	}
+	if (count == 0)
+		goto unlock;
 
 	tport->tp_write_urb_in_use = 1;
 
@@ -1380,7 +1379,13 @@ static void ti_send(struct ti_port *tport)
 	/* more room in the buffer for new writes, wakeup */
 	if (tty)
 		tty_wakeup(tty);
+	tty_kref_put(tty);
 	wake_up_interruptible(&tport->tp_write_wait);
+	return;
+unlock:
+	spin_unlock_irqrestore(&tport->tp_lock, flags);
+	tty_kref_put(tty);
+	return;
 }
 
 
@@ -1464,20 +1469,16 @@ static int ti_get_serial_info(struct ti_port *tport,
 }
 
 
-static int ti_set_serial_info(struct ti_port *tport,
+static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
 	struct serial_struct __user *new_arg)
 {
-	struct usb_serial_port *port = tport->tp_port;
 	struct serial_struct new_serial;
 
 	if (copy_from_user(&new_serial, new_arg, sizeof(new_serial)))
 		return -EFAULT;
 
 	tport->tp_flags = new_serial.flags & TI_SET_SERIAL_FLAGS;
-	/* FIXME */
-	if (port->port.tty)
-		port->port.tty->low_latency =
-			(tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+	tty->low_latency = (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 	tport->tp_closing_wait = new_serial.closing_wait;
 
 	return 0;
@@ -1510,7 +1511,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
 	tport->tp_msr = msr & TI_MSR_MASK;
 
 	/* handle CTS flow control */
-	tty = tport->tp_port->port.tty;
+	tty = tty_port_tty_get(&tport->tp_port->port);
 	if (tty && C_CRTSCTS(tty)) {
 		if (msr & TI_MSR_CTS) {
 			tty->hw_stopped = 0;
@@ -1519,6 +1520,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
 			tty->hw_stopped = 1;
 		}
 	}
+	tty_kref_put(tty);
 }
 
 
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 4f7f9e3ae0a..8be3f39891c 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -214,7 +214,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
 	/* set up our port structure making the tty driver
 	 * remember our port object, and us it */
 	tty->driver_data = port;
-	port->port.tty = tty;
+	tty_port_tty_set(&port->port, tty);
 
 	if (port->port.count == 1) {
 
@@ -246,7 +246,7 @@ bailout_module_put:
 bailout_mutex_unlock:
 	port->port.count = 0;
 	tty->driver_data = NULL;
-	port->port.tty = NULL;
+	tty_port_tty_set(&port->port, NULL);
 	mutex_unlock(&port->mutex);
 bailout_kref_put:
 	usb_serial_put(serial);
@@ -276,10 +276,11 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
 		port->serial->type->close(tty, port, filp);
 
 	if (port->port.count == (port->console? 1 : 0)) {
-		if (port->port.tty) {
-			if (port->port.tty->driver_data)
-				port->port.tty->driver_data = NULL;
-			port->port.tty = NULL;
+		struct tty_struct *tty = tty_port_tty_get(&port->port);
+		if (tty) {
+			if (tty->driver_data)
+				tty->driver_data = NULL;
+			tty_port_tty_set(&port->port, NULL);
 		}
 	}
 
@@ -508,11 +509,12 @@ static void usb_serial_port_work(struct work_struct *work)
 	if (!port)
 		return;
 
-	tty = port->port.tty;
+	tty = tty_port_tty_get(&port->port);
 	if (!tty)
 		return;
 
 	tty_wakeup(tty);
+	tty_kref_put(tty);
 }
 
 static void port_release(struct device *dev)
@@ -819,6 +821,7 @@ int usb_serial_probe(struct usb_interface *interface,
 		port = kzalloc(sizeof(struct usb_serial_port), GFP_KERNEL);
 		if (!port)
 			goto probe_error;
+		tty_port_init(&port->port);
 		port->serial = serial;
 		spin_lock_init(&port->lock);
 		mutex_init(&port->mutex);
@@ -1040,8 +1043,11 @@ void usb_serial_disconnect(struct usb_interface *interface)
 	for (i = 0; i < serial->num_ports; ++i) {
 		port = serial->port[i];
 		if (port) {
-			if (port->port.tty)
-				tty_hangup(port->port.tty);
+			struct tty_struct *tty = tty_port_tty_get(&port->port);
+			if (tty) {
+				tty_hangup(tty);
+				tty_kref_put(tty);
+			}
 			kill_traffic(port);
 		}
 	}
@@ -1115,7 +1121,8 @@ static int __init usb_serial_init(void)
 
 	result = bus_register(&usb_serial_bus_type);
 	if (result) {
-		err("%s - registering bus driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - registering bus driver "
+		       "failed\n", __func__);
 		goto exit_bus;
 	}
 
@@ -1136,25 +1143,28 @@ static int __init usb_serial_init(void)
 	tty_set_operations(usb_serial_tty_driver, &serial_ops);
 	result = tty_register_driver(usb_serial_tty_driver);
 	if (result) {
-		err("%s - tty_register_driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - tty_register_driver failed\n",
+		       __func__);
 		goto exit_reg_driver;
 	}
 
 	/* register the USB driver */
 	result = usb_register(&usb_serial_driver);
 	if (result < 0) {
-		err("%s - usb_register failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - usb_register failed\n",
+		       __func__);
 		goto exit_tty;
 	}
 
 	/* register the generic driver, if we should */
 	result = usb_serial_generic_register(debug);
 	if (result < 0) {
-		err("%s - registering generic driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - registering generic "
+		       "driver failed\n", __func__);
 		goto exit_generic;
 	}
 
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return result;
 
@@ -1168,7 +1178,8 @@ exit_reg_driver:
 	bus_unregister(&usb_serial_bus_type);
 
 exit_bus:
-	err("%s - returning with error %d", __func__, result);
+	printk(KERN_ERR "usb-serial: %s - returning with error %d\n",
+	       __func__, result);
 	put_tty_driver(usb_serial_tty_driver);
 	return result;
 }
@@ -1227,11 +1238,11 @@ int usb_serial_register(struct usb_serial_driver *driver)
 
 	retval = usb_serial_bus_register(driver);
 	if (retval) {
-		err("problem %d when registering driver %s",
-						retval, driver->description);
+		printk(KERN_ERR "usb-serial: problem %d when registering "
+		       "driver %s\n", retval, driver->description);
 		list_del(&driver->driver_list);
 	} else
-		info("USB Serial support registered for %s",
+		printk(KERN_INFO "USB Serial support registered for %s\n",
 						driver->description);
 
 	return retval;
@@ -1242,7 +1253,8 @@ EXPORT_SYMBOL_GPL(usb_serial_register);
 void usb_serial_deregister(struct usb_serial_driver *device)
 {
 	/* must be called with BKL held */
-	info("USB Serial deregistering driver %s", device->description);
+	printk(KERN_INFO "USB Serial deregistering driver %s\n",
+	       device->description);
 	list_del(&device->driver_list);
 	usb_serial_bus_deregister(device);
 }
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index cf8924f9a2c..4facce3d936 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -499,7 +499,7 @@ static void visor_read_bulk_callback(struct urb *urb)
 	int status = urb->status;
 	struct tty_struct *tty;
 	int result;
-	int available_room;
+	int available_room = 0;
 
 	dbg("%s - port %d", __func__, port->number);
 
@@ -512,13 +512,17 @@ static void visor_read_bulk_callback(struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __func__,
 						urb->actual_length, data);
 
-	tty = port->port.tty;
-	if (tty && urb->actual_length) {
-		available_room = tty_buffer_request_room(tty,
+	if (urb->actual_length) {
+		tty = tty_port_tty_get(&port->port);
+		if (tty) {
+			available_room = tty_buffer_request_room(tty,
 							urb->actual_length);
-		if (available_room) {
-			tty_insert_flip_string(tty, data, available_room);
-			tty_flip_buffer_push(tty);
+			if (available_room) {
+				tty_insert_flip_string(tty, data,
+							available_room);
+				tty_flip_buffer_push(tty);
+			}
+			tty_kref_put(tty);
 		}
 		spin_lock(&priv->lock);
 		priv->bytes_in += available_room;
@@ -764,7 +768,7 @@ static int visor_probe(struct usb_serial *serial,
 	dbg("%s", __func__);
 
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
@@ -967,11 +971,14 @@ static int __init visor_init(void)
 				break;
 			}
 		}
-		info(
-		  "Untested USB device specified at time of module insertion");
-		info("Warning: This is not guaranteed to work");
-		info("Using a newer kernel is preferred to this method");
-		info("Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x",
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Untested USB device specified at time of module insertion\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Warning: This is not guaranteed to work\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Using a newer kernel is preferred to this method\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n",
 			vendor, product);
 	}
 	retval = usb_serial_register(&handspring_device);
@@ -986,7 +993,7 @@ static int __init visor_init(void)
 	retval = usb_register(&visor_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 3a9d14384a4..5335d3211c0 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -303,12 +303,15 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 
 	if (request_ihex_firmware(&firmware_fw, "whiteheat.fw",
 				  &serial->dev->dev)) {
-		err("%s - request \"whiteheat.fw\" failed", __func__);
+		dev_err(&serial->dev->dev,
+			"%s - request \"whiteheat.fw\" failed\n", __func__);
 		goto out;
 	}
 	if (request_ihex_firmware(&loader_fw, "whiteheat_loader.fw",
 			     &serial->dev->dev)) {
-		err("%s - request \"whiteheat_loader.fw\" failed", __func__);
+		dev_err(&serial->dev->dev,
+			"%s - request \"whiteheat_loader.fw\" failed\n",
+			__func__);
 		goto out;
 	}
 	ret = 0;
@@ -320,9 +323,10 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for loader (%d %04X %p %d)",
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for loader (%d %04X %p %d)\n",
+				__func__, response, be32_to_cpu(record->addr),
+				record->data, be16_to_cpu(record->len));
 			break;
 		}
 		record = ihex_next_binrec(record);
@@ -338,9 +342,11 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa3);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for first firmware step (%d %04X %p %d)", 
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for first firmware step "
+				"(%d %04X %p %d)\n", __func__, response,
+				be32_to_cpu(record->addr), record->data,
+				be16_to_cpu(record->len));
 			break;
 		}
 		++record;
@@ -354,9 +360,11 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for second firmware step (%d %04X %p %d)", 
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for second firmware step "
+				"(%d %04X %p %d)\n", __func__, response,
+				be32_to_cpu(record->addr), record->data,
+				be16_to_cpu(record->len));
 			break;
 		}
 		++record;
@@ -421,12 +429,12 @@ static int whiteheat_attach(struct usb_serial *serial)
 	ret = usb_bulk_msg(serial->dev, pipe, command, 2,
 						&alen, COMMAND_TIMEOUT_MS);
 	if (ret) {
-		err("%s: Couldn't send command [%d]",
-				serial->type->description, ret);
+		dev_err(&serial->dev->dev, "%s: Couldn't send command [%d]\n",
+			serial->type->description, ret);
 		goto no_firmware;
 	} else if (alen != 2) {
-		err("%s: Send command incomplete [%d]",
-				serial->type->description, alen);
+		dev_err(&serial->dev->dev, "%s: Send command incomplete [%d]\n",
+			serial->type->description, alen);
 		goto no_firmware;
 	}
 
@@ -437,31 +445,33 @@ static int whiteheat_attach(struct usb_serial *serial)
 	ret = usb_bulk_msg(serial->dev, pipe, result,
 			sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
 	if (ret) {
-		err("%s: Couldn't get results [%d]",
-				serial->type->description, ret);
+		dev_err(&serial->dev->dev, "%s: Couldn't get results [%d]\n",
+			serial->type->description, ret);
 		goto no_firmware;
 	} else if (alen != sizeof(*hw_info) + 1) {
-		err("%s: Get results incomplete [%d]",
-				serial->type->description, alen);
+		dev_err(&serial->dev->dev, "%s: Get results incomplete [%d]\n",
+			serial->type->description, alen);
 		goto no_firmware;
 	} else if (result[0] != command[0]) {
-		err("%s: Command failed [%d]",
-				serial->type->description, result[0]);
+		dev_err(&serial->dev->dev, "%s: Command failed [%d]\n",
+			serial->type->description, result[0]);
 		goto no_firmware;
 	}
 
 	hw_info = (struct whiteheat_hw_info *)&result[1];
 
-	info("%s: Driver %s: Firmware v%d.%02d", serial->type->description,
-	     DRIVER_VERSION, hw_info->sw_major_rev, hw_info->sw_minor_rev);
+	dev_info(&serial->dev->dev, "%s: Driver %s: Firmware v%d.%02d\n",
+		 serial->type->description, DRIVER_VERSION,
+		 hw_info->sw_major_rev, hw_info->sw_minor_rev);
 
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
 
 		info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
 		if (info == NULL) {
-			err("%s: Out of memory for port structures\n",
-					serial->type->description);
+			dev_err(&port->dev,
+				"%s: Out of memory for port structures\n",
+				serial->type->description);
 			goto no_private;
 		}
 
@@ -481,18 +491,20 @@ static int whiteheat_attach(struct usb_serial *serial)
 		for (j = 0; j < urb_pool_size; j++) {
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (!urb) {
-				err("No free urbs available");
+				dev_err(&port->dev, "No free urbs available\n");
 				goto no_rx_urb;
 			}
 			buf_size = port->read_urb->transfer_buffer_length;
 			urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("Couldn't allocate urb buffer");
+				dev_err(&port->dev,
+					"Couldn't allocate urb buffer\n");
 				goto no_rx_buf;
 			}
 			wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
 			if (!wrap) {
-				err("Couldn't allocate urb wrapper");
+				dev_err(&port->dev,
+					"Couldn't allocate urb wrapper\n");
 				goto no_rx_wrap;
 			}
 			usb_fill_bulk_urb(urb, serial->dev,
@@ -505,18 +517,20 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (!urb) {
-				err("No free urbs available");
+				dev_err(&port->dev, "No free urbs available\n");
 				goto no_tx_urb;
 			}
 			buf_size = port->write_urb->transfer_buffer_length;
 			urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("Couldn't allocate urb buffer");
+				dev_err(&port->dev,
+					"Couldn't allocate urb buffer\n");
 				goto no_tx_buf;
 			}
 			wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
 			if (!wrap) {
-				err("Couldn't allocate urb wrapper");
+				dev_err(&port->dev,
+					"Couldn't allocate urb wrapper\n");
 				goto no_tx_wrap;
 			}
 			usb_fill_bulk_urb(urb, serial->dev,
@@ -534,8 +548,9 @@ static int whiteheat_attach(struct usb_serial *serial)
 	command_info = kmalloc(sizeof(struct whiteheat_command_private),
 								GFP_KERNEL);
 	if (command_info == NULL) {
-		err("%s: Out of memory for port structures\n",
-					serial->type->description);
+		dev_err(&serial->dev->dev,
+			"%s: Out of memory for port structures\n",
+			serial->type->description);
 		goto no_command_private;
 	}
 
@@ -552,12 +567,15 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 no_firmware:
 	/* Firmware likely not running */
-	err("%s: Unable to retrieve firmware version, try replugging\n",
-					serial->type->description);
-	err("%s: If the firmware is not running (status led not blinking)\n",
-					serial->type->description);
-	err("%s: please contact support@connecttech.com\n",
-					serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: Unable to retrieve firmware version, try replugging\n",
+		serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: If the firmware is not running (status led not blinking)\n",
+		serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: please contact support@connecttech.com\n",
+		serial->type->description);
 	kfree(result);
 	return -ENODEV;
 
@@ -680,8 +698,9 @@ static int whiteheat_open(struct tty_struct *tty,
 	/* Start reading from the device */
 	retval = start_port_read(port);
 	if (retval) {
-		err("%s - failed submitting read urb, error %d",
-				__func__, retval);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, retval);
 		firm_close(port);
 		stop_command_port(port->serial);
 		goto exit;
@@ -806,8 +825,9 @@ static int whiteheat_write(struct tty_struct *tty,
 		urb->transfer_buffer_length = bytes;
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			sent = result;
 			spin_lock_irqsave(&info->lock, flags);
 			list_add(tmp, &info->tx_urbs_free);
@@ -1075,7 +1095,7 @@ static void whiteheat_read_callback(struct urb *urb)
 	wrap = urb_to_wrap(urb, &info->rx_urbs_submitted);
 	if (!wrap) {
 		spin_unlock(&info->lock);
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 		return;
 	}
 	list_del(&wrap->list);
@@ -1119,7 +1139,7 @@ static void whiteheat_write_callback(struct urb *urb)
 	wrap = urb_to_wrap(urb, &info->tx_urbs_submitted);
 	if (!wrap) {
 		spin_unlock(&info->lock);
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 		return;
 	}
 	list_move(&wrap->list, &info->tx_urbs_free);
@@ -1383,8 +1403,9 @@ static int start_command_port(struct usb_serial *serial)
 		command_port->read_urb->dev = serial->dev;
 		retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL);
 		if (retval) {
-			err("%s - failed submitting read urb, error %d",
-							__func__, retval);
+			dev_err(&serial->dev->dev,
+				"%s - failed submitting read urb, error %d\n",
+				__func__, retval);
 			goto exit;
 		}
 	}
@@ -1481,7 +1502,7 @@ static void rx_data_softint(struct work_struct *work)
 	struct whiteheat_private *info =
 		container_of(work, struct whiteheat_private, rx_work);
 	struct usb_serial_port *port = info->port;
-	struct tty_struct *tty = port->port.tty;
+	struct tty_struct *tty = tty_port_tty_get(&port->port);
 	struct whiteheat_urb_wrap *wrap;
 	struct urb *urb;
 	unsigned long flags;
@@ -1493,7 +1514,7 @@ static void rx_data_softint(struct work_struct *work)
 	spin_lock_irqsave(&info->lock, flags);
 	if (info->flags & THROTTLED) {
 		spin_unlock_irqrestore(&info->lock, flags);
-		return;
+		goto out;
 	}
 
 	list_for_each_safe(tmp, tmp2, &info->rx_urb_q) {
@@ -1513,7 +1534,7 @@ static void rx_data_softint(struct work_struct *work)
 				spin_unlock_irqrestore(&info->lock, flags);
 				tty_flip_buffer_push(tty);
 				schedule_work(&info->rx_work);
-				return;
+				goto out;
 			}
 			tty_insert_flip_string(tty, urb->transfer_buffer, len);
 			sent += len;
@@ -1522,7 +1543,8 @@ static void rx_data_softint(struct work_struct *work)
 		urb->dev = port->serial->dev;
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed resubmitting read urb, error %d",
+			dev_err(&port->dev,
+				"%s - failed resubmitting read urb, error %d\n",
 				__func__, result);
 			spin_lock_irqsave(&info->lock, flags);
 			list_add(tmp, &info->rx_urbs_free);
@@ -1536,6 +1558,8 @@ static void rx_data_softint(struct work_struct *work)
 
 	if (sent)
 		tty_flip_buffer_push(tty);
+out:
+	tty_kref_put(tty);
 }
 
 
@@ -1554,7 +1578,8 @@ static int __init whiteheat_init(void)
 	retval = usb_register(&whiteheat_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&whiteheat_device);
diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c
index 98b89ea9e31..c7bf8954b4e 100644
--- a/drivers/usb/storage/onetouch.c
+++ b/drivers/usb/storage/onetouch.c
@@ -78,8 +78,8 @@ static void usb_onetouch_irq(struct urb *urb)
 resubmit:
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
 	if (retval)
-		err ("can't resubmit intr, %s-%s/input0, retval %d",
-			onetouch->udev->bus->bus_name,
+		dev_err(&dev->dev, "can't resubmit intr, %s-%s/input0, "
+			"retval %d\n", onetouch->udev->bus->bus_name,
 			onetouch->udev->devpath, retval);
 }
 
@@ -90,7 +90,7 @@ static int usb_onetouch_open(struct input_dev *dev)
 	onetouch->is_open = 1;
 	onetouch->irq->dev = onetouch->udev;
 	if (usb_submit_urb(onetouch->irq, GFP_KERNEL)) {
-		err("usb_submit_urb failed");
+		dev_err(&dev->dev, "usb_submit_urb failed\n");
 		return -EIO;
 	}
 
@@ -117,7 +117,8 @@ static void usb_onetouch_pm_hook(struct us_data *us, int action)
 			break;
 		case US_RESUME:
 			if (usb_submit_urb(onetouch->irq, GFP_KERNEL) != 0)
-				err("usb_submit_urb failed");
+				dev_err(&onetouch->irq->dev->dev,
+					"usb_submit_urb failed\n");
 			break;
 		default:
 			break;
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 3523a0bfa0f..79108d5d317 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -663,7 +663,7 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
 	}
 
 	/* Did we transfer less than the minimum amount required? */
-	if (srb->result == SAM_STAT_GOOD &&
+	if ((srb->result == SAM_STAT_GOOD || srb->sense_buffer[2] == 0) &&
 			scsi_bufflen(srb) - scsi_get_resid(srb) < srb->underflow)
 		srb->result = (DID_ERROR << 16) | (SUGGEST_RETRY << 24);