Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (45 commits)
  USB: gadget/multi: cdc_do_config: remove redundant check
  usb: r8a66597-hcd: fix removed from an attached hub
  USB: xhci: Make endpoint interval debugging clearer.
  USB: Fix usb_fill_int_urb for SuperSpeed devices
  USB: cp210x: Remove double usb_control_msg from cp210x_set_config
  USB: Remove last bit of CONFIG_USB_BERRY_CHARGE
  USB: gadget: add gadget controller number for s3c-hsotg driver
  USB: ftdi_sio: Fix locking for change_speed() function
  USB: g_mass_storage: fixed module name in Kconfig
  USB: gadget: f_mass_storage::fsg_bind(): fix error handling
  USB: g_mass_storage: fix section mismatch warnings
  USB: gadget: fix Blackfin builds after gadget cleansing
  USB: goku_udc: remove potential null dereference
  USB: option.c: Add Pirelli VID/PID and indicate Pirelli's modem interface is 0xff
  USB: serial: Fix module name typo for qcaux Kconfig entry.
  usb: cdc-wdm: Fix deadlock between write and resume
  usb: cdc-wdm: Fix order in disconnect and fix locking
  usb: cdc-wdm:Fix loss of data due to autosuspend
  usb: cdc-wdm: Fix submission of URB after suspension
  usb: cdc-wdm: Fix race between disconnect and debug messages
  ...

30 files changed, 321 insertions, 142 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 975d556b478..be6331e2c27 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1441,7 +1441,7 @@ static int acm_resume(struct usb_interface *intf)
 			wb = acm->delayed_wb;
 			acm->delayed_wb = NULL;
 			spin_unlock_irq(&acm->write_lock);
-			acm_start_wb(acm, acm->delayed_wb);
+			acm_start_wb(acm, wb);
 		} else {
 			spin_unlock_irq(&acm->write_lock);
 		}
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 18aafcb08fc..189141ca4e0 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -52,7 +52,8 @@ MODULE_DEVICE_TABLE (usb, wdm_ids);
 #define WDM_READ		4
 #define WDM_INT_STALL		5
 #define WDM_POLL_RUNNING	6
-
+#define WDM_RESPONDING		7
+#define WDM_SUSPENDING		8
 
 #define WDM_MAX			16
 
@@ -87,9 +88,7 @@ struct wdm_device {
 	int			count;
 	dma_addr_t		shandle;
 	dma_addr_t		ihandle;
-	struct mutex		wlock;
-	struct mutex		rlock;
-	struct mutex		plock;
+	struct mutex		lock;
 	wait_queue_head_t	wait;
 	struct work_struct	rxwork;
 	int			werr;
@@ -117,21 +116,22 @@ static void wdm_in_callback(struct urb *urb)
 	int status = urb->status;
 
 	spin_lock(&desc->iuspin);
+	clear_bit(WDM_RESPONDING, &desc->flags);
 
 	if (status) {
 		switch (status) {
 		case -ENOENT:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ENOENT");
-			break;
+			goto skip_error;
 		case -ECONNRESET:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ECONNRESET");
-			break;
+			goto skip_error;
 		case -ESHUTDOWN:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ESHUTDOWN");
-			break;
+			goto skip_error;
 		case -EPIPE:
 			dev_err(&desc->intf->dev,
 				"nonzero urb status received: -EPIPE\n");
@@ -147,6 +147,7 @@ static void wdm_in_callback(struct urb *urb)
 	desc->reslength = urb->actual_length;
 	memmove(desc->ubuf + desc->length, desc->inbuf, desc->reslength);
 	desc->length += desc->reslength;
+skip_error:
 	wake_up(&desc->wait);
 
 	set_bit(WDM_READ, &desc->flags);
@@ -229,13 +230,16 @@ static void wdm_int_callback(struct urb *urb)
 	desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 	spin_lock(&desc->iuspin);
 	clear_bit(WDM_READ, &desc->flags);
-	if (!test_bit(WDM_DISCONNECTING, &desc->flags)) {
+	set_bit(WDM_RESPONDING, &desc->flags);
+	if (!test_bit(WDM_DISCONNECTING, &desc->flags)
+		&& !test_bit(WDM_SUSPENDING, &desc->flags)) {
 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);
 		dev_dbg(&desc->intf->dev, "%s: usb_submit_urb %d",
 			__func__, rv);
 	}
 	spin_unlock(&desc->iuspin);
 	if (rv < 0) {
+		clear_bit(WDM_RESPONDING, &desc->flags);
 		if (rv == -EPERM)
 			return;
 		if (rv == -ENOMEM) {
@@ -305,14 +309,38 @@ static ssize_t wdm_write
 	if (we < 0)
 		return -EIO;
 
-	r = mutex_lock_interruptible(&desc->wlock); /* concurrent writes */
+	desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
+	if (!buf) {
+		rv = -ENOMEM;
+		goto outnl;
+	}
+
+	r = copy_from_user(buf, buffer, count);
+	if (r > 0) {
+		kfree(buf);
+		rv = -EFAULT;
+		goto outnl;
+	}
+
+	/* concurrent writes and disconnect */
+	r = mutex_lock_interruptible(&desc->lock);
 	rv = -ERESTARTSYS;
-	if (r)
+	if (r) {
+		kfree(buf);
 		goto outnl;
+	}
+
+	if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
+		kfree(buf);
+		rv = -ENODEV;
+		goto outnp;
+	}
 
 	r = usb_autopm_get_interface(desc->intf);
-	if (r < 0)
+	if (r < 0) {
+		kfree(buf);
 		goto outnp;
+	}
 
 	if (!file->f_flags && O_NONBLOCK)
 		r = wait_event_interruptible(desc->wait, !test_bit(WDM_IN_USE,
@@ -320,24 +348,8 @@ static ssize_t wdm_write
 	else
 		if (test_bit(WDM_IN_USE, &desc->flags))
 			r = -EAGAIN;
-	if (r < 0)
-		goto out;
-
-	if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
-		rv = -ENODEV;
-		goto out;
-	}
-
-	desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
-	if (!buf) {
-		rv = -ENOMEM;
-		goto out;
-	}
-
-	r = copy_from_user(buf, buffer, count);
-	if (r > 0) {
+	if (r < 0) {
 		kfree(buf);
-		rv = -EFAULT;
 		goto out;
 	}
 
@@ -374,7 +386,7 @@ static ssize_t wdm_write
 out:
 	usb_autopm_put_interface(desc->intf);
 outnp:
-	mutex_unlock(&desc->wlock);
+	mutex_unlock(&desc->lock);
 outnl:
 	return rv < 0 ? rv : count;
 }
@@ -387,7 +399,7 @@ static ssize_t wdm_read
 	struct wdm_device *desc = file->private_data;
 
 
-	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */
+	rv = mutex_lock_interruptible(&desc->lock); /*concurrent reads */
 	if (rv < 0)
 		return -ERESTARTSYS;
 
@@ -424,11 +436,8 @@ retry:
 		spin_lock_irq(&desc->iuspin);
 
 		if (desc->rerr) { /* read completed, error happened */
-			int t = desc->rerr;
 			desc->rerr = 0;
 			spin_unlock_irq(&desc->iuspin);
-			dev_err(&desc->intf->dev,
-				"reading had resulted in %d\n", t);
 			rv = -EIO;
 			goto err;
 		}
@@ -465,9 +474,7 @@ retry:
 	rv = cntr;
 
 err:
-	mutex_unlock(&desc->rlock);
-	if (rv < 0 && rv != -EAGAIN)
-		dev_err(&desc->intf->dev, "wdm_read: exit error\n");
+	mutex_unlock(&desc->lock);
 	return rv;
 }
 
@@ -533,7 +540,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 	}
 	intf->needs_remote_wakeup = 1;
 
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	if (!desc->count++) {
 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);
 		if (rv < 0) {
@@ -544,7 +551,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 	} else {
 		rv = 0;
 	}
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 	usb_autopm_put_interface(desc->intf);
 out:
 	mutex_unlock(&wdm_mutex);
@@ -556,9 +563,9 @@ static int wdm_release(struct inode *inode, struct file *file)
 	struct wdm_device *desc = file->private_data;
 
 	mutex_lock(&wdm_mutex);
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	desc->count--;
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 
 	if (!desc->count) {
 		dev_dbg(&desc->intf->dev, "wdm_release: cleanup");
@@ -655,9 +662,7 @@ next_desc:
 	desc = kzalloc(sizeof(struct wdm_device), GFP_KERNEL);
 	if (!desc)
 		goto out;
-	mutex_init(&desc->wlock);
-	mutex_init(&desc->rlock);
-	mutex_init(&desc->plock);
+	mutex_init(&desc->lock);
 	spin_lock_init(&desc->iuspin);
 	init_waitqueue_head(&desc->wait);
 	desc->wMaxCommand = maxcom;
@@ -771,14 +776,17 @@ static void wdm_disconnect(struct usb_interface *intf)
 	/* to terminate pending flushes */
 	clear_bit(WDM_IN_USE, &desc->flags);
 	spin_unlock_irqrestore(&desc->iuspin, flags);
-	cancel_work_sync(&desc->rxwork);
+	mutex_lock(&desc->lock);
 	kill_urbs(desc);
+	cancel_work_sync(&desc->rxwork);
+	mutex_unlock(&desc->lock);
 	wake_up_all(&desc->wait);
 	if (!desc->count)
 		cleanup(desc);
 	mutex_unlock(&wdm_mutex);
 }
 
+#ifdef CONFIG_PM
 static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
@@ -786,22 +794,30 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
 
 	dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor);
 
-	mutex_lock(&desc->plock);
-#ifdef CONFIG_PM
+	/* if this is an autosuspend the caller does the locking */
+	if (!(message.event & PM_EVENT_AUTO))
+		mutex_lock(&desc->lock);
+	spin_lock_irq(&desc->iuspin);
+
 	if ((message.event & PM_EVENT_AUTO) &&
-			test_bit(WDM_IN_USE, &desc->flags)) {
+			(test_bit(WDM_IN_USE, &desc->flags)
+			|| test_bit(WDM_RESPONDING, &desc->flags))) {
+		spin_unlock_irq(&desc->iuspin);
 		rv = -EBUSY;
 	} else {
-#endif
-		cancel_work_sync(&desc->rxwork);
+
+		set_bit(WDM_SUSPENDING, &desc->flags);
+		spin_unlock_irq(&desc->iuspin);
+		/* callback submits work - order is essential */
 		kill_urbs(desc);
-#ifdef CONFIG_PM
+		cancel_work_sync(&desc->rxwork);
 	}
-#endif
-	mutex_unlock(&desc->plock);
+	if (!(message.event & PM_EVENT_AUTO))
+		mutex_unlock(&desc->lock);
 
 	return rv;
 }
+#endif
 
 static int recover_from_urb_loss(struct wdm_device *desc)
 {
@@ -815,23 +831,27 @@ static int recover_from_urb_loss(struct wdm_device *desc)
 	}
 	return rv;
 }
+
+#ifdef CONFIG_PM
 static int wdm_resume(struct usb_interface *intf)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
 	int rv;
 
 	dev_dbg(&desc->intf->dev, "wdm%d_resume\n", intf->minor);
-	mutex_lock(&desc->plock);
+
+	clear_bit(WDM_SUSPENDING, &desc->flags);
 	rv = recover_from_urb_loss(desc);
-	mutex_unlock(&desc->plock);
+
 	return rv;
 }
+#endif
 
 static int wdm_pre_reset(struct usb_interface *intf)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
 
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	return 0;
 }
 
@@ -841,7 +861,7 @@ static int wdm_post_reset(struct usb_interface *intf)
 	int rv;
 
 	rv = recover_from_urb_loss(desc);
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 	return 0;
 }
 
@@ -849,9 +869,11 @@ static struct usb_driver wdm_driver = {
 	.name =		"cdc_wdm",
 	.probe =	wdm_probe,
 	.disconnect =	wdm_disconnect,
+#ifdef CONFIG_PM
 	.suspend =	wdm_suspend,
 	.resume =	wdm_resume,
 	.reset_resume =	wdm_resume,
+#endif
 	.pre_reset =	wdm_pre_reset,
 	.post_reset =	wdm_post_reset,
 	.id_table =	wdm_ids,
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e909ff7b909..3466fdc5bb1 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1207,6 +1207,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			free_async(as);
 			return -ENOMEM;
 		}
+		/* Isochronous input data may end up being discontiguous
+		 * if some of the packets are short.  Clear the buffer so
+		 * that the gaps don't leak kernel data to userspace.
+		 */
+		if (is_in && uurb->type == USBDEVFS_URB_TYPE_ISO)
+			memset(as->urb->transfer_buffer, 0,
+					uurb->buffer_length);
 	}
 	as->urb->dev = ps->dev;
 	as->urb->pipe = (uurb->type << 30) |
@@ -1345,10 +1352,14 @@ static int processcompl(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer && urb->actual_length)
-		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->actual_length))
+	if (as->userbuffer && urb->actual_length) {
+		if (urb->number_of_packets > 0)		/* Isochronous */
+			i = urb->transfer_buffer_length;
+		else					/* Non-Isoc */
+			i = urb->actual_length;
+		if (copy_to_user(as->userbuffer, urb->transfer_buffer, i))
 			goto err_out;
+	}
 	if (put_user(as->status, &userurb->status))
 		goto err_out;
 	if (put_user(urb->actual_length, &userurb->actual_length))
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 27080561a1c..45a32dadb40 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -453,6 +453,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			if (urb->interval > (1 << 15))
 				return -EINVAL;
 			max = 1 << 15;
+			break;
 		case USB_SPEED_WIRELESS:
 			if (urb->interval > 16)
 				return -EINVAL;
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7460cd797f4..11a3e0fa433 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -747,7 +747,7 @@ config USB_MASS_STORAGE
 	  which may be used with composite framework.
 
 	  Say "y" to link the driver statically, or "m" to build
-	  a dynamically linked module called "g_file_storage".  If unsure,
+	  a dynamically linked module called "g_mass_storage".  If unsure,
 	  consider File-backed Storage Gadget.
 
 config USB_G_SERIAL
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 65a5f94cbc0..3568de210f7 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -266,7 +266,7 @@ struct usb_ep * __init usb_ep_autoconfig (
 		}
 
 #ifdef CONFIG_BLACKFIN
-	} else if (gadget_is_musbhsfc(gadget) || gadget_is_musbhdrc(gadget)) {
+	} else if (gadget_is_musbhdrc(gadget)) {
 		if ((USB_ENDPOINT_XFER_BULK == type) ||
 		    (USB_ENDPOINT_XFER_ISOC == type)) {
 			if (USB_DIR_IN & desc->bEndpointAddress)
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 5a3cdd08f1d..f4911c09022 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2910,7 +2910,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
 }
 
 
-static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
+static int __init fsg_bind(struct usb_configuration *c, struct usb_function *f)
 {
 	struct fsg_dev		*fsg = fsg_from_func(f);
 	struct usb_gadget	*gadget = c->cdev->gadget;
@@ -2954,7 +2954,6 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
 autoconf_fail:
 	ERROR(fsg, "unable to autoconfigure all endpoints\n");
 	rc = -ENOTSUPP;
-	fsg_unbind(c, f);
 	return rc;
 }
 
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 1edbc12fff1..e511fec9f26 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -136,6 +136,12 @@
 #define	gadget_is_r8a66597(g)	0
 #endif
 
+#ifdef CONFIG_USB_S3C_HSOTG
+#define gadget_is_s3c_hsotg(g)    (!strcmp("s3c-hsotg", (g)->name))
+#else
+#define gadget_is_s3c_hsotg(g)    0
+#endif
+
 
 /**
  * usb_gadget_controller_number - support bcdDevice id convention
@@ -192,6 +198,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x24;
 	else if (gadget_is_r8a66597(gadget))
 		return 0x25;
+	else if (gadget_is_s3c_hsotg(gadget))
+		return 0x26;
 	return -ENOENT;
 }
 
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index e8edc640381..1088d08c7ed 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1768,7 +1768,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 * usb_gadget_driver_{register,unregister}() must change.
 	 */
 	if (the_controller) {
-		WARNING(dev, "ignoring %s\n", pci_name(pdev));
+		pr_warning("ignoring %s\n", pci_name(pdev));
 		return -EBUSY;
 	}
 	if (!pdev->irq) {
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 76496f5d272..a930d7fd7e7 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -211,8 +211,6 @@ static int __init cdc_do_config(struct usb_configuration *c)
 	ret = fsg_add(c->cdev, c, fsg_common);
 	if (ret < 0)
 		return ret;
-	if (ret < 0)
-		return ret;
 
 	return 0;
 }
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 8b45145b913..5e13d23b5f0 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/err.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 4e0c67f1f51..b6315aa47f7 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -12,7 +12,7 @@ fhci-objs := fhci-hcd.o fhci-hub.o fhci-q.o fhci-mem.o \
 ifeq ($(CONFIG_FHCI_DEBUG),y)
 fhci-objs += fhci-dbg.o
 endif
-xhci-objs := xhci-hcd.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
+xhci-hcd-objs := xhci.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
 
 obj-$(CONFIG_USB_WHCI_HCD)	+= whci/
 
@@ -25,7 +25,7 @@ obj-$(CONFIG_USB_ISP1362_HCD)	+= isp1362-hcd.o
 obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
 obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_FHCI_HCD)	+= fhci.o
-obj-$(CONFIG_USB_XHCI_HCD)	+= xhci.o
+obj-$(CONFIG_USB_XHCI_HCD)	+= xhci-hcd.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
 obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_USB_U132_HCD)	+= u132-hcd.o
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d8d6d3461d3..dc55a62859c 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -995,7 +995,7 @@ rescan:
 	/* endpoints can be iso streams.  for now, we don't
 	 * accelerate iso completions ... so spin a while.
 	 */
-	if (qh->hw->hw_info1 == 0) {
+	if (qh->hw == NULL) {
 		ehci_vdbg (ehci, "iso delay\n");
 		goto idle_timeout;
 	}
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 39340ae00ac..a0aaaaff256 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1123,8 +1123,8 @@ iso_stream_find (struct ehci_hcd *ehci, struct urb *urb)
 					urb->interval);
 		}
 
-	/* if dev->ep [epnum] is a QH, info1.maxpacket is nonzero */
-	} else if (unlikely (stream->hw_info1 != 0)) {
+	/* if dev->ep [epnum] is a QH, hw is set */
+	} else if (unlikely (stream->hw != NULL)) {
 		ehci_dbg (ehci, "dev %s ep%d%s, not iso??\n",
 			urb->dev->devpath, epnum,
 			usb_pipein(urb->pipe) ? "in" : "out");
@@ -1565,13 +1565,27 @@ itd_patch(
 static inline void
 itd_link (struct ehci_hcd *ehci, unsigned frame, struct ehci_itd *itd)
 {
-	/* always prepend ITD/SITD ... only QH tree is order-sensitive */
-	itd->itd_next = ehci->pshadow [frame];
-	itd->hw_next = ehci->periodic [frame];
-	ehci->pshadow [frame].itd = itd;
+	union ehci_shadow	*prev = &ehci->pshadow[frame];
+	__hc32			*hw_p = &ehci->periodic[frame];
+	union ehci_shadow	here = *prev;
+	__hc32			type = 0;
+
+	/* skip any iso nodes which might belong to previous microframes */
+	while (here.ptr) {
+		type = Q_NEXT_TYPE(ehci, *hw_p);
+		if (type == cpu_to_hc32(ehci, Q_TYPE_QH))
+			break;
+		prev = periodic_next_shadow(ehci, prev, type);
+		hw_p = shadow_next_periodic(ehci, &here, type);
+		here = *prev;
+	}
+
+	itd->itd_next = here;
+	itd->hw_next = *hw_p;
+	prev->itd = itd;
 	itd->frame = frame;
 	wmb ();
-	ehci->periodic[frame] = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD);
+	*hw_p = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD);
 }
 
 /* fit urb's itds into the selected schedule slot; activate as needed */
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2d85e21ff28..b1dce96dd62 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -394,9 +394,8 @@ struct ehci_iso_sched {
  * acts like a qh would, if EHCI had them for ISO.
  */
 struct ehci_iso_stream {
-	/* first two fields match QH, but info1 == 0 */
-	__hc32			hw_next;
-	__hc32			hw_info1;
+	/* first field matches ehci_hq, but is NULL */
+	struct ehci_qh_hw	*hw;
 
 	u32			refcount;
 	u8			bEndpointAddress;
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index bee558aed42..f71a73a93d0 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -418,7 +418,7 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 
 /* this function must be called with interrupt disabled */
 static void free_usb_address(struct r8a66597 *r8a66597,
-			     struct r8a66597_device *dev)
+			     struct r8a66597_device *dev, int reset)
 {
 	int port;
 
@@ -430,7 +430,13 @@ static void free_usb_address(struct r8a66597 *r8a66597,
 	dev->state = USB_STATE_DEFAULT;
 	r8a66597->address_map &= ~(1 << dev->address);
 	dev->address = 0;
-	dev_set_drvdata(&dev->udev->dev, NULL);
+	/*
+	 * Only when resetting USB, it is necessary to erase drvdata. When
+	 * a usb device with usb hub is disconnect, "dev->udev" is already
+	 * freed on usb_desconnect(). So we cannot access the data.
+	 */
+	if (reset)
+		dev_set_drvdata(&dev->udev->dev, NULL);
 	list_del(&dev->device_list);
 	kfree(dev);
 
@@ -1069,7 +1075,7 @@ static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port)
 	struct r8a66597_device *dev = r8a66597->root_hub[port].dev;
 
 	disable_r8a66597_pipe_all(r8a66597, dev);
-	free_usb_address(r8a66597, dev);
+	free_usb_address(r8a66597, dev, 0);
 
 	start_root_hub_sampling(r8a66597, port, 0);
 }
@@ -2085,7 +2091,7 @@ static void update_usb_address_map(struct r8a66597 *r8a66597,
 				spin_lock_irqsave(&r8a66597->lock, flags);
 				dev = get_r8a66597_device(r8a66597, addr);
 				disable_r8a66597_pipe_all(r8a66597, dev);
-				free_usb_address(r8a66597, dev);
+				free_usb_address(r8a66597, dev, 0);
 				put_child_connect_map(r8a66597, addr);
 				spin_unlock_irqrestore(&r8a66597->lock, flags);
 			}
@@ -2228,7 +2234,7 @@ static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			rh->port |= (1 << USB_PORT_FEAT_RESET);
 
 			disable_r8a66597_pipe_all(r8a66597, dev);
-			free_usb_address(r8a66597, dev);
+			free_usb_address(r8a66597, dev, 1);
 
 			r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT,
 				      get_dvstctr_reg(port));
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 49f7d72f8b1..bba9b19ed1b 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -566,8 +566,13 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 			if (interval < 3)
 				interval = 3;
 			if ((1 << interval) != 8*ep->desc.bInterval)
-				dev_warn(&udev->dev, "ep %#x - rounding interval to %d microframes\n",
-						ep->desc.bEndpointAddress, 1 << interval);
+				dev_warn(&udev->dev,
+						"ep %#x - rounding interval"
+						" to %d microframes, "
+						"ep desc says %d microframes\n",
+						ep->desc.bEndpointAddress,
+						1 << interval,
+						8*ep->desc.bInterval);
 		}
 		break;
 	default:
diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci.c
index 4cb69e0af83..492a61c2c79 100644
--- a/drivers/usb/host/xhci-hcd.c
+++ b/drivers/usb/host/xhci.c
@@ -1173,6 +1173,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 		cmd_completion = &virt_dev->cmd_completion;
 		cmd_status = &virt_dev->cmd_status;
 	}
+	init_completion(cmd_completion);
 
 	if (!ctx_change)
 		ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index b4bbf8f2c23..0e8b8ab1d16 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -379,7 +379,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 				u8 devctl, u8 power)
 {
 	irqreturn_t handled = IRQ_NONE;
-	void __iomem *mbase = musb->mregs;
 
 	DBG(3, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl,
 		int_usb);
@@ -394,6 +393,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 		if (devctl & MUSB_DEVCTL_HM) {
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
+			void __iomem *mbase = musb->mregs;
+
 			switch (musb->xceiv->state) {
 			case OTG_STATE_A_SUSPEND:
 				/* remote wakeup?  later, GetPortStatus
@@ -471,6 +472,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	/* see manual for the order of the tests */
 	if (int_usb & MUSB_INTR_SESSREQ) {
+		void __iomem *mbase = musb->mregs;
+
 		DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));
 
 		/* IRQ arrives from ID pin sense or (later, if VBUS power
@@ -519,6 +522,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		case OTG_STATE_A_WAIT_BCON:
 		case OTG_STATE_A_WAIT_VRISE:
 			if (musb->vbuserr_retry) {
+				void __iomem *mbase = musb->mregs;
+
 				musb->vbuserr_retry--;
 				ignore = 1;
 				devctl |= MUSB_DEVCTL_SESSION;
@@ -622,6 +627,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 	if (int_usb & MUSB_INTR_CONNECT) {
 		struct usb_hcd *hcd = musb_to_hcd(musb);
+		void __iomem *mbase = musb->mregs;
 
 		handled = IRQ_HANDLED;
 		musb->is_active = 1;
@@ -2007,7 +2013,6 @@ bad_config:
 	/* host side needs more setup */
 	if (is_host_enabled(musb)) {
 		struct usb_hcd	*hcd = musb_to_hcd(musb);
-		u8 busctl;
 
 		otg_set_host(musb->xceiv, &hcd->self);
 
@@ -2018,9 +2023,9 @@ bad_config:
 
 		/* program PHY to use external vBus if required */
 		if (plat->extvbus) {
-			busctl = musb_readb(musb->mregs, MUSB_ULPI_BUSCONTROL);
+			u8 busctl = musb_read_ulpi_buscontrol(musb->mregs);
 			busctl |= MUSB_ULPI_USE_EXTVBUS;
-			musb_writeb(musb->mregs, MUSB_ULPI_BUSCONTROL, busctl);
+			musb_write_ulpi_buscontrol(musb->mregs, busctl);
 		}
 	}
 
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index d849fb81c13..cd9f4a9a06c 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -469,7 +469,7 @@ struct musb_csr_regs {
 
 struct musb_context_registers {
 
-#if defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP2430)
+#ifdef CONFIG_PM
 	u32 otg_sysconfig, otg_forcestandby;
 #endif
 	u8 power;
@@ -483,7 +483,7 @@ struct musb_context_registers {
 	struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
 };
 
-#if defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP2430)
+#ifdef CONFIG_PM
 extern void musb_platform_save_context(struct musb *musb,
 		struct musb_context_registers *musb_context);
 extern void musb_platform_restore_context(struct musb *musb,
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 3421cf9858b..dec896e888d 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1689,7 +1689,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 				dma->desired_mode = 1;
 			if (rx_count < hw_ep->max_packet_sz_rx) {
 				length = rx_count;
-				dma->bDesiredMode = 0;
+				dma->desired_mode = 0;
 			} else {
 				length = urb->transfer_buffer_length;
 			}
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index 8d8062b10e2..fa55aacc385 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -326,6 +326,11 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 	musb_writew(mbase, MUSB_RXFIFOADD, c_off);
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+	musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
+}
+
 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 {
 	return musb_readb(mbase, MUSB_TXFIFOSZ);
@@ -346,6 +351,11 @@ static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 	return musb_readw(mbase, MUSB_RXFIFOADD);
 }
 
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
+}
+
 static inline u8 musb_read_configdata(void __iomem *mbase)
 {
 	musb_writeb(mbase, MUSB_INDEX, 0);
@@ -510,20 +520,33 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 {
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+}
+
 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 {
+	return 0;
+}
+
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return 0;
 }
 
 static inline u8 musb_read_configdata(void __iomem *mbase)
@@ -577,22 +600,27 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 
 static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline void  musb_read_txhubport(void __iomem *mbase, u8 epnum)
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index c78b255e3f8..a0ecb42cb33 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -474,14 +474,14 @@ config USB_SERIAL_OTI6858
 
 config USB_SERIAL_QCAUX
 	tristate "USB Qualcomm Auxiliary Serial Port Driver"
-	---help---
+	help
 	  Say Y here if you want to use the auxiliary serial ports provided
 	  by many modems based on Qualcomm chipsets.  These ports often use
 	  a proprietary protocol called DM and cannot be used for AT- or
 	  PPP-based communication.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called moto_modem.  If unsure, choose N.
+	  module will be called qcaux.  If unsure, choose N.
 
 config USB_SERIAL_QUALCOMM
 	tristate "USB Qualcomm Serial modem"
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 507382b0a9e..ec9b0449ccf 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -313,11 +313,6 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		return -EPROTO;
 	}
 
-	/* Single data value */
-	result = usb_control_msg(serial->dev,
-			usb_sndctrlpipe(serial->dev, 0),
-			request, REQTYPE_HOST_TO_DEVICE, data[0],
-			0, NULL, 0, 300);
 	return 0;
 }
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 6af0dfa5f5a..1d7c4fac02e 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -91,7 +91,7 @@ struct ftdi_private {
 	unsigned long tx_outstanding_bytes;
 	unsigned long tx_outstanding_urbs;
 	unsigned short max_packet_size;
-	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() */
+	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
 };
 
 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
@@ -658,6 +658,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
+	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
@@ -1272,8 +1273,8 @@ check_and_exit:
 	     (priv->flags & ASYNC_SPD_MASK)) ||
 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
 	     (old_priv.custom_divisor != priv->custom_divisor))) {
-		mutex_unlock(&priv->cfg_lock);
 		change_speed(tty, port);
+		mutex_unlock(&priv->cfg_lock);
 	}
 	else
 		mutex_unlock(&priv->cfg_lock);
@@ -2264,9 +2265,11 @@ static void ftdi_set_termios(struct tty_struct *tty,
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
 		/* set the baudrate determined before */
+		mutex_lock(&priv->cfg_lock);
 		if (change_speed(tty, port))
 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
 				__func__);
+		mutex_unlock(&priv->cfg_lock);
 		/* 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);
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 0727e198503..75482cbc399 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -501,6 +501,13 @@
 #define CONTEC_COM1USBH_PID	0x8311	/* COM-1(USB)H */
 
 /*
+ * Contec products (http://www.contec.com)
+ * Submitted by Daniel Sangorrin
+ */
+#define CONTEC_VID		0x06CE	/* Vendor ID */
+#define CONTEC_COM1USBH_PID	0x8311	/* COM-1(USB)H */
+
+/*
  * Definitions for B&B Electronics products.
  */
 #define BANDB_VID		0x0856	/* B&B Electronics Vendor ID */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 89fac36684c..f804acb138e 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -130,7 +130,7 @@ int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	/* if we have a bulk endpoint, start reading from it */
-	if (serial->num_bulk_in) {
+	if (port->bulk_in_size) {
 		/* Start reading from the device */
 		usb_fill_bulk_urb(port->read_urb, serial->dev,
 				   usb_rcvbulkpipe(serial->dev,
@@ -159,10 +159,10 @@ static void generic_cleanup(struct usb_serial_port *port)
 	dbg("%s - port %d", __func__, port->number);
 
 	if (serial->dev) {
-		/* shutdown any bulk reads that might be going on */
-		if (serial->num_bulk_out)
+		/* shutdown any bulk transfers that might be going on */
+		if (port->bulk_out_size)
 			usb_kill_urb(port->write_urb);
-		if (serial->num_bulk_in)
+		if (port->bulk_in_size)
 			usb_kill_urb(port->read_urb);
 	}
 }
@@ -333,15 +333,15 @@ int usb_serial_generic_write(struct tty_struct *tty,
 
 	dbg("%s - port %d", __func__, port->number);
 
+	/* only do something if we have a bulk out endpoint */
+	if (!port->bulk_out_size)
+		return -ENODEV;
+
 	if (count == 0) {
 		dbg("%s - write request of 0 bytes", __func__);
 		return 0;
 	}
 
-	/* only do something if we have a bulk out endpoint */
-	if (!serial->num_bulk_out)
-		return 0;
-
 	if (serial->type->max_in_flight_urbs)
 		return usb_serial_multi_urb_write(tty, port,
 						  buf, count);
@@ -364,14 +364,19 @@ int usb_serial_generic_write_room(struct tty_struct *tty)
 	int room = 0;
 
 	dbg("%s - port %d", __func__, port->number);
+
+	if (!port->bulk_out_size)
+		return 0;
+
 	spin_lock_irqsave(&port->lock, flags);
 	if (serial->type->max_in_flight_urbs) {
 		if (port->urbs_in_flight < serial->type->max_in_flight_urbs)
 			room = port->bulk_out_size *
 				(serial->type->max_in_flight_urbs -
 				 port->urbs_in_flight);
-	} else if (serial->num_bulk_out)
+	} else {
 		room = kfifo_avail(&port->write_fifo);
+	}
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	dbg("%s - returns %d", __func__, room);
@@ -382,15 +387,18 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
 	struct usb_serial *serial = port->serial;
-	int chars = 0;
 	unsigned long flags;
+	int chars;
 
 	dbg("%s - port %d", __func__, port->number);
 
+	if (!port->bulk_out_size)
+		return 0;
+
 	spin_lock_irqsave(&port->lock, flags);
 	if (serial->type->max_in_flight_urbs)
 		chars = port->tx_bytes_flight;
-	else if (serial->num_bulk_out)
+	else
 		chars = kfifo_len(&port->write_fifo);
 	spin_unlock_irqrestore(&port->lock, flags);
 
@@ -415,11 +423,13 @@ void usb_serial_generic_resubmit_read_urb(struct usb_serial_port *port,
 			   ((serial->type->read_bulk_callback) ?
 			     serial->type->read_bulk_callback :
 			     usb_serial_generic_read_bulk_callback), port);
+
 	result = usb_submit_urb(urb, mem_flags);
-	if (result)
+	if (result && result != -EPERM) {
 		dev_err(&port->dev,
 			"%s - failed resubmitting read urb, error %d\n",
 							__func__, result);
+	}
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_resubmit_read_urb);
 
@@ -498,23 +508,18 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
 		if (port->urbs_in_flight < 0)
 			port->urbs_in_flight = 0;
 		spin_unlock_irqrestore(&port->lock, flags);
-
-		if (status) {
-			dbg("%s - nonzero multi-urb write bulk status "
-				"received: %d", __func__, status);
-			return;
-		}
 	} else {
 		port->write_urb_busy = 0;
 
-		if (status) {
-			dbg("%s - nonzero multi-urb write bulk status "
-				"received: %d", __func__, status);
+		if (status)
 			kfifo_reset_out(&port->write_fifo);
-		} else
+		else
 			usb_serial_generic_write_start(port);
 	}
 
+	if (status)
+		dbg("%s - non-zero urb status: %d", __func__, status);
+
 	usb_serial_port_softint(port);
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 847b805d63a..950cb311ca9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -288,7 +288,9 @@ static int  option_resume(struct usb_serial *serial);
 
 #define QUALCOMM_VENDOR_ID			0x05C6
 
-#define MAXON_VENDOR_ID				0x16d8
+#define CMOTECH_VENDOR_ID			0x16d8
+#define CMOTECH_PRODUCT_6008			0x6008
+#define CMOTECH_PRODUCT_6280			0x6280
 
 #define TELIT_VENDOR_ID				0x1bc7
 #define TELIT_PRODUCT_UC864E			0x1003
@@ -309,6 +311,7 @@ static int  option_resume(struct usb_serial *serial);
 #define DLINK_VENDOR_ID				0x1186
 #define DLINK_PRODUCT_DWM_652			0x3e04
 #define DLINK_PRODUCT_DWM_652_U5		0xce16
+#define DLINK_PRODUCT_DWM_652_U5A		0xce1e
 
 #define QISDA_VENDOR_ID				0x1da5
 #define QISDA_PRODUCT_H21_4512			0x4512
@@ -332,6 +335,24 @@ static int  option_resume(struct usb_serial *serial);
 #define ALCATEL_VENDOR_ID			0x1bbb
 #define ALCATEL_PRODUCT_X060S			0x0000
 
+#define PIRELLI_VENDOR_ID			0x1266
+#define PIRELLI_PRODUCT_C100_1			0x1002
+#define PIRELLI_PRODUCT_C100_2			0x1003
+#define PIRELLI_PRODUCT_1004			0x1004
+#define PIRELLI_PRODUCT_1005			0x1005
+#define PIRELLI_PRODUCT_1006			0x1006
+#define PIRELLI_PRODUCT_1007			0x1007
+#define PIRELLI_PRODUCT_1008			0x1008
+#define PIRELLI_PRODUCT_1009			0x1009
+#define PIRELLI_PRODUCT_100A			0x100a
+#define PIRELLI_PRODUCT_100B			0x100b
+#define PIRELLI_PRODUCT_100C			0x100c
+#define PIRELLI_PRODUCT_100D			0x100d
+#define PIRELLI_PRODUCT_100E			0x100e
+#define PIRELLI_PRODUCT_100F			0x100f
+#define PIRELLI_PRODUCT_1011			0x1011
+#define PIRELLI_PRODUCT_1012			0x1012
+
 /* Airplus products */
 #define AIRPLUS_VENDOR_ID			0x1011
 #define AIRPLUS_PRODUCT_MCD650			0x3198
@@ -547,7 +568,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
-	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
@@ -659,6 +681,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
 	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
+	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5A) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
@@ -666,7 +689,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) },
 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
-	{ USB_DEVICE(ALINK_VENDOR_ID, 0xce16) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
@@ -675,6 +697,24 @@ static const struct usb_device_id option_ids[] = {
   	  .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
   	},
 	{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
+	/* Pirelli  */
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1004)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1005)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1006)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1007)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1008)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1009)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100A)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100B) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100C) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100D) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100E) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100F) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1011)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1012)},
+
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -798,12 +838,19 @@ static int option_probe(struct usb_serial *serial,
 			const struct usb_device_id *id)
 {
 	struct option_intf_private *data;
+
 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
 		return -ENODEV;
 
+	/* Bandrich modem and AT command interface is 0xff */
+	if ((serial->dev->descriptor.idVendor == BANDRICH_VENDOR_ID ||
+		serial->dev->descriptor.idVendor == PIRELLI_VENDOR_ID) &&
+		serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
+		return -ENODEV;
+
 	data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 310ff6ec656..53a2d5a935a 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -47,6 +47,35 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
+	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
+	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
+	{USB_DEVICE(0x05c6, 0x9224)},	/* Sony Gobi 2000 QDL device (N0279, VU730) */
+	{USB_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
+	{USB_DEVICE(0x05c6, 0x9244)},	/* Samsung Gobi 2000 QDL device (VL176) */
+	{USB_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
+	{USB_DEVICE(0x03f0, 0x241d)},	/* HP Gobi 2000 QDL device (VP412) */
+	{USB_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
+	{USB_DEVICE(0x05c6, 0x9214)},	/* Acer Gobi 2000 QDL device (VP413) */
+	{USB_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
+	{USB_DEVICE(0x05c6, 0x9264)},	/* Asus Gobi 2000 QDL device (VR305) */
+	{USB_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
+	{USB_DEVICE(0x05c6, 0x9234)},	/* Top Global Gobi 2000 QDL device (VR306) */
+	{USB_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
+	{USB_DEVICE(0x05c6, 0x9274)},	/* iRex Technologies Gobi 2000 QDL device (VR307) */
+	{USB_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
+	{USB_DEVICE(0x1199, 0x9000)},	/* Sierra Wireless Gobi 2000 QDL device (VT773) */
+	{USB_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
+	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{ }				/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 98b549b1cab..ccf1dbbb87e 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -374,6 +374,15 @@ UNUSUAL_DEV(  0x04ce, 0x0002, 0x0074, 0x0074,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_INQUIRY),
 
+/* Reported by Ondrej Zary <linux@rainbow-software.org>
+ * The device reports one sector more and breaks when that sector is accessed
+ */
+UNUSUAL_DEV(  0x04ce, 0x0002, 0x026c, 0x026c,
+		"ScanLogic",
+		"SL11R-IDE",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY),
+
 /* Reported by Kriston Fincher <kriston@airmail.net>
  * Patch submitted by Sean Millichamp <sean@bruenor.org>
  * This is to support the Panasonic PalmCam PV-SD4090
@@ -1380,20 +1389,6 @@ UNUSUAL_DEV(  0x0f19, 0x0105, 0x0100, 0x0100,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
-/* Jeremy Katz <katzj@redhat.com>:
- * The Blackberry Pearl can run in two modes; a usb-storage only mode
- * and a mode that allows access via mass storage and to its database.
- * The berry_charge module will set the device to dual mode and thus we
- * should ignore its native mode if that module is built
- */
-#ifdef CONFIG_USB_BERRY_CHARGE
-UNUSUAL_DEV(  0x0fca, 0x0006, 0x0001, 0x0001,
-		"RIM",
-		"Blackberry Pearl",
-		US_SC_DEVICE, US_PR_DEVICE, NULL,
-		US_FL_IGNORE_DEVICE ),
-#endif
-
 /* Reported by Michael Stattmann <michael@stattmann.com> */
 UNUSUAL_DEV(  0x0fce, 0xd008, 0x0000, 0x0000,
 		"Sony Ericsson",