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
  ...

32 files changed, 335 insertions, 148 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index a986e9bbba3d..bcebb9eaedce 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -160,7 +160,7 @@ Description:
                 match the driver to the device.  For example:
                 # echo "046d c315" > /sys/bus/usb/drivers/foo/remove_id
 
-What:           /sys/bus/usb/device/.../avoid_reset
+What:           /sys/bus/usb/device/.../avoid_reset_quirk
 Date:           December 2009
 Contact:        Oliver Neukum <oliver@neukum.org>
 Description:
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 975d556b4787..be6331e2c276 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 18aafcb08fc8..189141ca4e05 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 e909ff7b9094..3466fdc5bb11 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 27080561a1c2..45a32dadb406 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 7460cd797f45..11a3e0fa4331 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 65a5f94cbc04..3568de210f79 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 5a3cdd08f1d0..f4911c09022e 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 1edbc12fff18..e511fec9f26d 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 e8edc640381e..1088d08c7ed8 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 76496f5d272c..a930d7fd7e7a 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 8b45145b9136..5e13d23b5f0c 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 4e0c67f1f51b..b6315aa47f7a 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 d8d6d3461d32..dc55a62859c6 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 39340ae00ac4..a0aaaaff2560 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 2d85e21ff282..b1dce96dd621 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 bee558aed427..f71a73a93d0c 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 49f7d72f8b1b..bba9b19ed1b9 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 4cb69e0af834..492a61c2c79d 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 b4bbf8f2c238..0e8b8ab1d168 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 d849fb81c131..cd9f4a9a06c6 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 3421cf9858b5..dec896e888db 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 8d8062b10e2f..fa55aacc385d 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 c78b255e3f83..a0ecb42cb33a 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 507382b0a9ed..ec9b0449ccf6 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 6af0dfa5f5ac..1d7c4fac02e8 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 0727e198503e..75482cbc3998 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 89fac36684c5..f804acb138ec 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 847b805d63a3..950cb311ca94 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 310ff6ec6567..53a2d5a935a2 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 98b549b1cab2..ccf1dbbb87ef 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",
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 8c9f053111bb..ce1323c4e47c 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1055,7 +1055,8 @@ typedef void (*usb_complete_t)(struct urb *);
  * @number_of_packets: Lists the number of ISO transfer buffers.
  * @interval: Specifies the polling interval for interrupt or isochronous
  *      transfers.  The units are frames (milliseconds) for full and low
- *      speed devices, and microframes (1/8 millisecond) for highspeed ones.
+ *      speed devices, and microframes (1/8 millisecond) for highspeed
+ *      and SuperSpeed devices.
  * @error_count: Returns the number of ISO transfers that reported errors.
  * @context: For use in completion functions.  This normally points to
  *      request-specific driver context.
@@ -1286,9 +1287,16 @@ static inline void usb_fill_bulk_urb(struct urb *urb,
  *
  * Initializes a interrupt urb with the proper information needed to submit
  * it to a device.
- * Note that high speed interrupt endpoints use a logarithmic encoding of
- * the endpoint interval, and express polling intervals in microframes
- * (eight per millisecond) rather than in frames (one per millisecond).
+ *
+ * Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic
+ * encoding of the endpoint interval, and express polling intervals in
+ * microframes (eight per millisecond) rather than in frames (one per
+ * millisecond).
+ *
+ * Wireless USB also uses the logarithmic encoding, but specifies it in units of
+ * 128us instead of 125us.  For Wireless USB devices, the interval is passed
+ * through to the host controller, rather than being translated into microframe
+ * units.
  */
 static inline void usb_fill_int_urb(struct urb *urb,
                                     struct usb_device *dev,
@@ -1305,7 +1313,7 @@ static inline void usb_fill_int_urb(struct urb *urb,
         urb->transfer_buffer_length = buffer_length;
         urb->complete = complete_fn;
         urb->context = context;
-        if (dev->speed == USB_SPEED_HIGH)
+        if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER)
                 urb->interval = 1 << (interval - 1);
         else
                 urb->interval = interval;