Merge commit 'v3.0.9' into linaro-3.0

30 files changed, 444 insertions, 165 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index dac7676ce21..5112f572677 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1534,6 +1534,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ NOKIA_PCSUITE_ACM_INFO(0x03cd), }, /* Nokia C7 */
 	{ SAMSUNG_PCSUITE_ACM_INFO(0x6651), }, /* Samsung GTi8510 (INNOV8) */
 
+	/* Support for Owen devices */
+	{ USB_DEVICE(0x03eb, 0x0030), }, /* Owen SI30 */
+
 	/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
 
 	/* Support Lego NXT using pbLua firmware */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 37518dfdeb9..0ca54e22d31 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -407,7 +407,7 @@ static void async_completed(struct urb *urb)
 		sinfo.si_errno = as->status;
 		sinfo.si_code = SI_ASYNCIO;
 		sinfo.si_addr = as->userurb;
-		pid = as->pid;
+		pid = get_pid(as->pid);
 		uid = as->uid;
 		euid = as->euid;
 		secid = as->secid;
@@ -422,9 +422,11 @@ static void async_completed(struct urb *urb)
 		cancel_bulk_urbs(ps, as->bulk_addr);
 	spin_unlock(&ps->lock);
 
-	if (signr)
+	if (signr) {
 		kill_pid_info_as_uid(sinfo.si_signo, &sinfo, pid, uid,
 				      euid, secid);
+		put_pid(pid);
+	}
 
 	wake_up(&ps->wait);
 }
@@ -607,9 +609,10 @@ static int findintfep(struct usb_device *dev, unsigned int ep)
 }
 
 static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
-			   unsigned int index)
+			   unsigned int request, unsigned int index)
 {
 	int ret = 0;
+	struct usb_host_interface *alt_setting;
 
 	if (ps->dev->state != USB_STATE_UNAUTHENTICATED
 	 && ps->dev->state != USB_STATE_ADDRESS
@@ -618,6 +621,19 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
 	if (USB_TYPE_VENDOR == (USB_TYPE_MASK & requesttype))
 		return 0;
 
+	/*
+	 * check for the special corner case 'get_device_id' in the printer
+	 * class specification, where wIndex is (interface << 8 | altsetting)
+	 * instead of just interface
+	 */
+	if (requesttype == 0xa1 && request == 0) {
+		alt_setting = usb_find_alt_setting(ps->dev->actconfig,
+						   index >> 8, index & 0xff);
+		if (alt_setting
+		 && alt_setting->desc.bInterfaceClass == USB_CLASS_PRINTER)
+			index >>= 8;
+	}
+
 	index &= 0xff;
 	switch (requesttype & USB_RECIP_MASK) {
 	case USB_RECIP_ENDPOINT:
@@ -770,7 +786,8 @@ static int proc_control(struct dev_state *ps, void __user *arg)
 
 	if (copy_from_user(&ctrl, arg, sizeof(ctrl)))
 		return -EFAULT;
-	ret = check_ctrlrecip(ps, ctrl.bRequestType, ctrl.wIndex);
+	ret = check_ctrlrecip(ps, ctrl.bRequestType, ctrl.bRequest,
+			      ctrl.wIndex);
 	if (ret)
 		return ret;
 	wLength = ctrl.wLength;		/* To suppress 64k PAGE_SIZE warning */
@@ -1100,7 +1117,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			kfree(dr);
 			return -EINVAL;
 		}
-		ret = check_ctrlrecip(ps, dr->bRequestType,
+		ret = check_ctrlrecip(ps, dr->bRequestType, dr->bRequest,
 				      le16_to_cpup(&dr->wIndex));
 		if (ret) {
 			kfree(dr);
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 34e3da5aa72..75b4bc03e2e 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1583,7 +1583,7 @@ int usb_autopm_get_interface_async(struct usb_interface *intf)
 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
 			__func__, atomic_read(&intf->dev.power.usage_count),
 			status);
-	if (status > 0)
+	if (status > 0 || status == -EINPROGRESS)
 		status = 0;
 	return status;
 }
@@ -1668,6 +1668,11 @@ int usb_runtime_suspend(struct device *dev)
 		return -EAGAIN;
 
 	status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);
+
+	/* Allow a retry if autosuspend failed temporarily */
+	if (status == -EAGAIN || status == -EBUSY)
+		usb_mark_last_busy(udev);
+
 	/* The PM core reacts badly unless the return code is 0,
 	 * -EAGAIN, or -EBUSY, so always return -EBUSY on an error.
 	 */
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index ace9f8442e5..39ea00bfb9c 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1764,6 +1764,8 @@ int usb_hcd_alloc_bandwidth(struct usb_device *udev,
 		struct usb_interface *iface = usb_ifnum_to_if(udev,
 				cur_alt->desc.bInterfaceNumber);
 
+		if (!iface)
+			return -EINVAL;
 		if (iface->resetting_device) {
 			/*
 			 * The USB core just reset the device, so the xHCI host
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 81ce6a8e1d9..d6a8d8269bf 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -38,6 +38,27 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Creative SB Audigy 2 NX */
 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C200 */
+	{ USB_DEVICE(0x046d, 0x0802), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C250 */
+	{ USB_DEVICE(0x046d, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C300 */
+	{ USB_DEVICE(0x046d, 0x0805), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam B/C500 */
+	{ USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam Pro 9000 */
+	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C310 */
+	{ USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C270 */
+	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Harmony 700-series */
 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
 
@@ -69,6 +90,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Guillemot Webcam Hercules Dualpix Exchange*/
+	{ USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* M-Systems Flash Disk Pioneers */
 	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 271ef94668e..88a464cc96c 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1602,7 +1602,7 @@ cleanup(void)
 	if (status)
 		ERROR(dev, "usb_gadget_unregister_driver %x\n", status);
 
-	unregister_chrdev_region(g_printer_devno, 2);
+	unregister_chrdev_region(g_printer_devno, 1);
 	class_destroy(usb_gadget_class);
 	mutex_unlock(&usb_printer_gadget.lock_printer_io);
 }
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 40a844c1dbb..3e2ccb0dd25 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -808,7 +808,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	next += temp;
 
 	temp = scnprintf (next, size, "uframe %04x\n",
-			ehci_readl(ehci, &ehci->regs->frame_index));
+			ehci_read_frame_index(ehci));
 	size -= temp;
 	next += temp;
 
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 9ff9abc7e3a..b27ceab1774 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -761,6 +761,35 @@ static int ehci_run (struct usb_hcd *hcd)
 	return 0;
 }
 
+static int __maybe_unused ehci_setup (struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	int retval;
+
+	ehci->regs = (void __iomem *)ehci->caps +
+	    HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
+	dbg_hcs_params(ehci, "reset");
+	dbg_hcc_params(ehci, "reset");
+
+	/* cache this readonly data; minimize chip reads */
+	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+
+	ehci->sbrn = HCD_USB2;
+
+	retval = ehci_halt(ehci);
+	if (retval)
+		return retval;
+
+	/* data structure init */
+	retval = ehci_init(hcd);
+	if (retval)
+		return retval;
+
+	ehci_reset(ehci);
+
+	return 0;
+}
+
 /*-------------------------------------------------------------------------*/
 
 static irqreturn_t ehci_irq (struct usb_hcd *hcd)
@@ -1159,8 +1188,7 @@ ehci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
 static int ehci_get_frame (struct usb_hcd *hcd)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
-	return (ehci_readl(ehci, &ehci->regs->frame_index) >> 3) %
-		ehci->periodic_size;
+	return (ehci_read_frame_index(ehci) >> 3) % ehci->periodic_size;
 }
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 0f3a7248008..f5d7fed4a4c 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -1120,7 +1120,19 @@ static int ehci_hub_control (
 			if (!selector || selector > 5)
 				goto error;
 			ehci_quiesce(ehci);
+
+			/* Put all enabled ports into suspend */
+			while (ports--) {
+				u32 __iomem *sreg =
+						&ehci->regs->port_status[ports];
+
+				temp = ehci_readl(ehci, sreg) & ~PORT_RWC_BITS;
+				if (temp & PORT_PE)
+					ehci_writel(ehci, temp | PORT_SUSPEND,
+							sreg);
+			}
 			ehci_halt(ehci);
+			temp = ehci_readl(ehci, status_reg);
 			temp |= selector << 16;
 			ehci_writel(ehci, temp, status_reg);
 			break;
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 1102ce65a3a..1d1caa6a33f 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -224,6 +224,11 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
 			pci_dev_put(p_smbus);
 		}
 		break;
+	case PCI_VENDOR_ID_NETMOS:
+		/* MosChip frame-index-register bug */
+		ehci_info(ehci, "applying MosChip frame-index workaround\n");
+		ehci->frame_index_bug = 1;
+		break;
 	}
 
 	/* optional debug port, normally in the first BAR */
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 6c9fbe352f7..063c630d246 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -36,6 +36,27 @@
 
 static int ehci_get_frame (struct usb_hcd *hcd);
 
+#ifdef CONFIG_PCI
+
+static unsigned ehci_read_frame_index(struct ehci_hcd *ehci)
+{
+	unsigned uf;
+
+	/*
+	 * The MosChip MCS9990 controller updates its microframe counter
+	 * a little before the frame counter, and occasionally we will read
+	 * the invalid intermediate value.  Avoid problems by checking the
+	 * microframe number (the low-order 3 bits); if they are 0 then
+	 * re-read the register to get the correct value.
+	 */
+	uf = ehci_readl(ehci, &ehci->regs->frame_index);
+	if (unlikely(ehci->frame_index_bug && ((uf & 7) == 0)))
+		uf = ehci_readl(ehci, &ehci->regs->frame_index);
+	return uf;
+}
+
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -482,7 +503,7 @@ static int enable_periodic (struct ehci_hcd *ehci)
 	ehci_to_hcd(ehci)->state = HC_STATE_RUNNING;
 
 	/* make sure ehci_work scans these */
-	ehci->next_uframe = ehci_readl(ehci, &ehci->regs->frame_index)
+	ehci->next_uframe = ehci_read_frame_index(ehci)
 		% (ehci->periodic_size << 3);
 	if (unlikely(ehci->broken_periodic))
 		ehci->last_periodic_enable = ktime_get_real();
@@ -1412,7 +1433,7 @@ iso_stream_schedule (
 		goto fail;
 	}
 
-	now = ehci_readl(ehci, &ehci->regs->frame_index) & (mod - 1);
+	now = ehci_read_frame_index(ehci) & (mod - 1);
 
 	/* Typical case: reuse current schedule, stream is still active.
 	 * Hopefully there are no gaps from the host falling behind
@@ -2279,7 +2300,7 @@ scan_periodic (struct ehci_hcd *ehci)
 	 */
 	now_uframe = ehci->next_uframe;
 	if (HC_IS_RUNNING(ehci_to_hcd(ehci)->state)) {
-		clock = ehci_readl(ehci, &ehci->regs->frame_index);
+		clock = ehci_read_frame_index(ehci);
 		clock_frame = (clock >> 3) & (ehci->periodic_size - 1);
 	} else  {
 		clock = now_uframe + mod - 1;
@@ -2458,8 +2479,7 @@ restart:
 					|| ehci->periodic_sched == 0)
 				break;
 			ehci->next_uframe = now_uframe;
-			now = ehci_readl(ehci, &ehci->regs->frame_index) &
-					(mod - 1);
+			now = ehci_read_frame_index(ehci) & (mod - 1);
 			if (now_uframe == now)
 				break;
 
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 6fb0de8d4e8..22a1c4422b0 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -137,6 +137,7 @@ struct ehci_hcd {			/* one per controller */
 	unsigned		fs_i_thresh:1;	/* Intel iso scheduling */
 	unsigned		use_dummy_qh:1;	/* AMD Frame List table quirk*/
 	unsigned		has_synopsys_hc_bug:1; /* Synopsys HC */
+	unsigned		frame_index_bug:1; /* MosChip (AKA NetMos) */
 
 	/* required for usb32 quirk */
 	#define OHCI_CTRL_HCFS          (3 << 6)
@@ -755,6 +756,22 @@ static inline void ehci_sync_mem()
 
 /*-------------------------------------------------------------------------*/
 
+#ifdef CONFIG_PCI
+
+/* For working around the MosChip frame-index-register bug */
+static unsigned ehci_read_frame_index(struct ehci_hcd *ehci);
+
+#else
+
+static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci)
+{
+	return ehci_readl(ehci, &ehci->regs->frame_index);
+}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
 #ifndef DEBUG
 #define STUB_DEBUG_FILES
 #endif	/* DEBUG */
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c
index a42ef380e91..2df851b4bc7 100644
--- a/drivers/usb/host/fhci-sched.c
+++ b/drivers/usb/host/fhci-sched.c
@@ -1,7 +1,7 @@
 /*
  * Freescale QUICC Engine USB Host Controller Driver
  *
- * Copyright (c) Freescale Semicondutor, Inc. 2006.
+ * Copyright (c) Freescale Semicondutor, Inc. 2006, 2011.
  *               Shlomi Gridish <gridish@freescale.com>
  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
  * Copyright (c) Logic Product Development, Inc. 2007
@@ -810,9 +810,11 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
 		ed->dev_addr = usb_pipedevice(urb->pipe);
 		ed->max_pkt_size = usb_maxpacket(urb->dev, urb->pipe,
 			usb_pipeout(urb->pipe));
+		/* setup stage */
 		td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP,
 			USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true);
 
+		/* data stage */
 		if (data_len > 0) {
 			td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
@@ -820,9 +822,18 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
 				USB_TD_TOGGLE_DATA1, data, data_len, 0, 0,
 				true);
 		}
-		td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
-			usb_pipeout(urb->pipe) ? FHCI_TA_IN : FHCI_TA_OUT,
-			USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+
+		/* status stage */
+		if (data_len > 0)
+			td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
+				(usb_pipeout(urb->pipe) ? FHCI_TA_IN :
+							  FHCI_TA_OUT),
+				USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+		else
+			 td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
+				FHCI_TA_IN,
+				USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+
 		urb_state = US_CTRL_SETUP;
 		break;
 	case FHCI_TF_ISO:
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index 55d3d5859ac..840beda66dd 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1583,6 +1583,9 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
 	int retval = 0;
 
 	spin_lock_irqsave(&priv->lock, spinflags);
+	retval = usb_hcd_check_unlink_urb(hcd, urb, status);
+	if (retval)
+		goto out;
 
 	qh = urb->ep->hcpriv;
 	if (!qh) {
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 9154615292d..2f00040fc40 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -356,10 +356,7 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd)
 		msleep(20);
 	}
 
-	/* Does the root hub have a port wakeup pending? */
-	if (ohci_readl(ohci, &ohci->regs->intrstatus) &
-			(OHCI_INTR_RD | OHCI_INTR_RHSC))
-		usb_hcd_resume_root_hub(hcd);
+	usb_hcd_resume_root_hub(hcd);
 }
 
 /* Carry out polling-, autostop-, and autoresume-related state changes */
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 723f8231193..ce9f974dac0 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -392,6 +392,20 @@ static int xhci_get_ports(struct usb_hcd *hcd, __le32 __iomem ***port_array)
 	return max_ports;
 }
 
+/* Test and clear port RWC bit */
+void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
+				int port_id, u32 port_bit)
+{
+	u32 temp;
+
+	temp = xhci_readl(xhci, port_array[port_id]);
+	if (temp & port_bit) {
+		temp = xhci_port_state_to_neutral(temp);
+		temp |= port_bit;
+		xhci_writel(xhci, temp, port_array[port_id]);
+	}
+}
+
 int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		u16 wIndex, char *buf, u16 wLength)
 {
@@ -938,12 +952,8 @@ int xhci_bus_resume(struct usb_hcd *hcd)
 			spin_lock_irqsave(&xhci->lock, flags);
 
 			/* Clear PLC */
-			temp = xhci_readl(xhci, port_array[port_index]);
-			if (temp & PORT_PLC) {
-				temp = xhci_port_state_to_neutral(temp);
-				temp |= PORT_PLC;
-				xhci_writel(xhci, temp, port_array[port_index]);
-			}
+			xhci_test_and_clear_bit(xhci, port_array, port_index,
+						PORT_PLC);
 
 			slot_id = xhci_find_slot_id_by_port(hcd,
 					xhci, port_index + 1);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index fcb7f7efc86..104620b3764 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -81,7 +81,7 @@ static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
  * related flags, such as End TRB, Toggle Cycle, and no snoop.
  */
 static void xhci_link_segments(struct xhci_hcd *xhci, struct xhci_segment *prev,
-		struct xhci_segment *next, bool link_trbs)
+		struct xhci_segment *next, bool link_trbs, bool isoc)
 {
 	u32 val;
 
@@ -97,7 +97,9 @@ static void xhci_link_segments(struct xhci_hcd *xhci, struct xhci_segment *prev,
 		val &= ~TRB_TYPE_BITMASK;
 		val |= TRB_TYPE(TRB_LINK);
 		/* Always set the chain bit with 0.95 hardware */
-		if (xhci_link_trb_quirk(xhci))
+		/* Set chain bit for isoc rings on AMD 0.96 host */
+		if (xhci_link_trb_quirk(xhci) ||
+				(isoc && (xhci->quirks & XHCI_AMD_0x96_HOST)))
 			val |= TRB_CHAIN;
 		prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val);
 	}
@@ -112,18 +114,20 @@ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring)
 	struct xhci_segment *seg;
 	struct xhci_segment *first_seg;
 
-	if (!ring || !ring->first_seg)
+	if (!ring)
 		return;
-	first_seg = ring->first_seg;
-	seg = first_seg->next;
-	xhci_dbg(xhci, "Freeing ring at %p\n", ring);
-	while (seg != first_seg) {
-		struct xhci_segment *next = seg->next;
-		xhci_segment_free(xhci, seg);
-		seg = next;
+	if (ring->first_seg) {
+		first_seg = ring->first_seg;
+		seg = first_seg->next;
+		xhci_dbg(xhci, "Freeing ring at %p\n", ring);
+		while (seg != first_seg) {
+			struct xhci_segment *next = seg->next;
+			xhci_segment_free(xhci, seg);
+			seg = next;
+		}
+		xhci_segment_free(xhci, first_seg);
+		ring->first_seg = NULL;
 	}
-	xhci_segment_free(xhci, first_seg);
-	ring->first_seg = NULL;
 	kfree(ring);
 }
 
@@ -152,7 +156,7 @@ static void xhci_initialize_ring_info(struct xhci_ring *ring)
  * See section 4.9.1 and figures 15 and 16.
  */
 static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
-		unsigned int num_segs, bool link_trbs, gfp_t flags)
+		unsigned int num_segs, bool link_trbs, bool isoc, gfp_t flags)
 {
 	struct xhci_ring	*ring;
 	struct xhci_segment	*prev;
@@ -178,12 +182,12 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
 		next = xhci_segment_alloc(xhci, flags);
 		if (!next)
 			goto fail;
-		xhci_link_segments(xhci, prev, next, link_trbs);
+		xhci_link_segments(xhci, prev, next, link_trbs, isoc);
 
 		prev = next;
 		num_segs--;
 	}
-	xhci_link_segments(xhci, prev, ring->first_seg, link_trbs);
+	xhci_link_segments(xhci, prev, ring->first_seg, link_trbs, isoc);
 
 	if (link_trbs) {
 		/* See section 4.9.2.1 and 6.4.4.1 */
@@ -229,14 +233,14 @@ void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci,
  * pointers to the beginning of the ring.
  */
 static void xhci_reinit_cached_ring(struct xhci_hcd *xhci,
-		struct xhci_ring *ring)
+		struct xhci_ring *ring, bool isoc)
 {
 	struct xhci_segment	*seg = ring->first_seg;
 	do {
 		memset(seg->trbs, 0,
 				sizeof(union xhci_trb)*TRBS_PER_SEGMENT);
 		/* All endpoint rings have link TRBs */
-		xhci_link_segments(xhci, seg, seg->next, 1);
+		xhci_link_segments(xhci, seg, seg->next, 1, isoc);
 		seg = seg->next;
 	} while (seg != ring->first_seg);
 	xhci_initialize_ring_info(ring);
@@ -540,7 +544,7 @@ struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci,
 	 */
 	for (cur_stream = 1; cur_stream < num_streams; cur_stream++) {
 		stream_info->stream_rings[cur_stream] =
-			xhci_ring_alloc(xhci, 1, true, mem_flags);
+			xhci_ring_alloc(xhci, 1, true, false, mem_flags);
 		cur_ring = stream_info->stream_rings[cur_stream];
 		if (!cur_ring)
 			goto cleanup_rings;
@@ -765,7 +769,7 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
 	}
 
 	/* Allocate endpoint 0 ring */
-	dev->eps[0].ring = xhci_ring_alloc(xhci, 1, true, flags);
+	dev->eps[0].ring = xhci_ring_alloc(xhci, 1, true, false, flags);
 	if (!dev->eps[0].ring)
 		goto fail;
 
@@ -1175,10 +1179,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
 	 */
 	if (usb_endpoint_xfer_isoc(&ep->desc))
 		virt_dev->eps[ep_index].new_ring =
-			xhci_ring_alloc(xhci, 8, true, mem_flags);
+			xhci_ring_alloc(xhci, 8, true, true, mem_flags);
 	else
 		virt_dev->eps[ep_index].new_ring =
-			xhci_ring_alloc(xhci, 1, true, mem_flags);
+			xhci_ring_alloc(xhci, 1, true, false, mem_flags);
 	if (!virt_dev->eps[ep_index].new_ring) {
 		/* Attempt to use the ring cache */
 		if (virt_dev->num_rings_cached == 0)
@@ -1187,7 +1191,8 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
 			virt_dev->ring_cache[virt_dev->num_rings_cached];
 		virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL;
 		virt_dev->num_rings_cached--;
-		xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring);
+		xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring,
+			usb_endpoint_xfer_isoc(&ep->desc) ? true : false);
 	}
 	virt_dev->eps[ep_index].skip = false;
 	ep_ring = virt_dev->eps[ep_index].new_ring;
@@ -2001,7 +2006,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 		goto fail;
 
 	/* Set up the command ring to have one segments for now. */
-	xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, flags);
+	xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags);
 	if (!xhci->cmd_ring)
 		goto fail;
 	xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
@@ -2032,7 +2037,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	 * the event ring segment table (ERST).  Section 4.9.3.
 	 */
 	xhci_dbg(xhci, "// Allocating event ring\n");
-	xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, false, flags);
+	xhci->event_ring = xhci_ring_alloc(xhci, ERST_NUM_SEGS, false, false,
+						flags);
 	if (!xhci->event_ring)
 		goto fail;
 	if (xhci_check_trb_in_td_math(xhci, flags) < 0)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index cb16de213f6..50e7156a7d8 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -128,6 +128,9 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
+		xhci->quirks |= XHCI_AMD_0x96_HOST;
+
 	/* AMD PLL quirk */
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
 		xhci->quirks |= XHCI_AMD_PLL_FIX;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d0871ea687d..b20d2f7221c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -187,7 +187,7 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring, bool consumer
  *			prepare_transfer()?
  */
 static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
-		bool consumer, bool more_trbs_coming)
+		bool consumer, bool more_trbs_coming, bool isoc)
 {
 	u32 chain;
 	union xhci_trb *next;
@@ -214,11 +214,13 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
 				if (!chain && !more_trbs_coming)
 					break;
 
-				/* If we're not dealing with 0.95 hardware,
+				/* If we're not dealing with 0.95 hardware or
+				 * isoc rings on AMD 0.96 host,
 				 * carry over the chain bit of the previous TRB
 				 * (which may mean the chain bit is cleared).
 				 */
-				if (!xhci_link_trb_quirk(xhci)) {
+				if (!(isoc && (xhci->quirks & XHCI_AMD_0x96_HOST))
+						&& !xhci_link_trb_quirk(xhci)) {
 					next->link.control &=
 						cpu_to_le32(~TRB_CHAIN);
 					next->link.control |=
@@ -1345,10 +1347,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
 			xhci_ring_device(xhci, slot_id);
 			xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
 			/* Clear PORT_PLC */
-			temp = xhci_readl(xhci, port_array[faked_port_index]);
-			temp = xhci_port_state_to_neutral(temp);
-			temp |= PORT_PLC;
-			xhci_writel(xhci, temp, port_array[faked_port_index]);
+			xhci_test_and_clear_bit(xhci, port_array,
+						faked_port_index, PORT_PLC);
 		} else {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
 			bus_state->resume_done[faked_port_index] = jiffies +
@@ -1359,6 +1359,10 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		}
 	}
 
+	if (hcd->speed != HCD_USB3)
+		xhci_test_and_clear_bit(xhci, port_array, faked_port_index,
+					PORT_PLC);
+
 cleanup:
 	/* Update event ring dequeue pointer before dropping the lock */
 	inc_deq(xhci, xhci->event_ring, true);
@@ -1940,8 +1944,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 	int status = -EINPROGRESS;
 	struct urb_priv *urb_priv;
 	struct xhci_ep_ctx *ep_ctx;
+	struct list_head *tmp;
 	u32 trb_comp_code;
 	int ret = 0;
+	int td_num = 0;
 
 	slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
 	xdev = xhci->devs[slot_id];
@@ -1963,6 +1969,12 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		return -ENODEV;
 	}
 
+	/* Count current td numbers if ep->skip is set */
+	if (ep->skip) {
+		list_for_each(tmp, &ep_ring->td_list)
+			td_num++;
+	}
+
 	event_dma = le64_to_cpu(event->buffer);
 	trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
 	/* Look for common error cases */
@@ -2074,7 +2086,18 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 			goto cleanup;
 		}
 
+		/* We've skipped all the TDs on the ep ring when ep->skip set */
+		if (ep->skip && td_num == 0) {
+			ep->skip = false;
+			xhci_dbg(xhci, "All tds on the ep_ring skipped. "
+						"Clear skip flag.\n");
+			ret = 0;
+			goto cleanup;
+		}
+
 		td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list);
+		if (ep->skip)
+			td_num--;
 
 		/* Is this a TRB in the currently executing TD? */
 		event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue,
@@ -2398,7 +2421,7 @@ irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd)
  *			prepare_transfer()?
  */
 static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
-		bool consumer, bool more_trbs_coming,
+		bool consumer, bool more_trbs_coming, bool isoc,
 		u32 field1, u32 field2, u32 field3, u32 field4)
 {
 	struct xhci_generic_trb *trb;
@@ -2408,7 +2431,7 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
 	trb->field[1] = cpu_to_le32(field2);
 	trb->field[2] = cpu_to_le32(field3);
 	trb->field[3] = cpu_to_le32(field4);
-	inc_enq(xhci, ring, consumer, more_trbs_coming);
+	inc_enq(xhci, ring, consumer, more_trbs_coming, isoc);
 }
 
 /*
@@ -2416,7 +2439,7 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
  * FIXME allocate segments if the ring is full.
  */
 static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
-		u32 ep_state, unsigned int num_trbs, gfp_t mem_flags)
+		u32 ep_state, unsigned int num_trbs, bool isoc, gfp_t mem_flags)
 {
 	/* Make sure the endpoint has been added to xHC schedule */
 	switch (ep_state) {
@@ -2458,10 +2481,11 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
 		next = ring->enqueue;
 
 		while (last_trb(xhci, ring, ring->enq_seg, next)) {
-			/* If we're not dealing with 0.95 hardware,
-			 * clear the chain bit.
+			/* If we're not dealing with 0.95 hardware or isoc rings
+			 * on AMD 0.96 host, clear the chain bit.
 			 */
-			if (!xhci_link_trb_quirk(xhci))
+			if (!xhci_link_trb_quirk(xhci) && !(isoc &&
+					(xhci->quirks & XHCI_AMD_0x96_HOST)))
 				next->link.control &= cpu_to_le32(~TRB_CHAIN);
 			else
 				next->link.control |= cpu_to_le32(TRB_CHAIN);
@@ -2494,6 +2518,7 @@ static int prepare_transfer(struct xhci_hcd *xhci,
 		unsigned int num_trbs,
 		struct urb *urb,
 		unsigned int td_index,
+		bool isoc,
 		gfp_t mem_flags)
 {
 	int ret;
@@ -2511,7 +2536,7 @@ static int prepare_transfer(struct xhci_hcd *xhci,
 
 	ret = prepare_ring(xhci, ep_ring,
 			   le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK,
-			   num_trbs, mem_flags);
+			   num_trbs, isoc, mem_flags);
 	if (ret)
 		return ret;
 
@@ -2734,7 +2759,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
 	trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id],
 			ep_index, urb->stream_id,
-			num_trbs, urb, 0, mem_flags);
+			num_trbs, urb, 0, false, mem_flags);
 	if (trb_buff_len < 0)
 		return trb_buff_len;
 
@@ -2829,7 +2854,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 			more_trbs_coming = true;
 		else
 			more_trbs_coming = false;
-		queue_trb(xhci, ep_ring, false, more_trbs_coming,
+		queue_trb(xhci, ep_ring, false, more_trbs_coming, false,
 				lower_32_bits(addr),
 				upper_32_bits(addr),
 				length_field,
@@ -2920,7 +2945,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
 	ret = prepare_transfer(xhci, xhci->devs[slot_id],
 			ep_index, urb->stream_id,
-			num_trbs, urb, 0, mem_flags);
+			num_trbs, urb, 0, false, mem_flags);
 	if (ret < 0)
 		return ret;
 
@@ -2992,7 +3017,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 			more_trbs_coming = true;
 		else
 			more_trbs_coming = false;
-		queue_trb(xhci, ep_ring, false, more_trbs_coming,
+		queue_trb(xhci, ep_ring, false, more_trbs_coming, false,
 				lower_32_bits(addr),
 				upper_32_bits(addr),
 				length_field,
@@ -3052,7 +3077,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		num_trbs++;
 	ret = prepare_transfer(xhci, xhci->devs[slot_id],
 			ep_index, urb->stream_id,
-			num_trbs, urb, 0, mem_flags);
+			num_trbs, urb, 0, false, mem_flags);
 	if (ret < 0)
 		return ret;
 
@@ -3085,7 +3110,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		}
 	}
 
-	queue_trb(xhci, ep_ring, false, true,
+	queue_trb(xhci, ep_ring, false, true, false,
 		  setup->bRequestType | setup->bRequest << 8 | le16_to_cpu(setup->wValue) << 16,
 		  le16_to_cpu(setup->wIndex) | le16_to_cpu(setup->wLength) << 16,
 		  TRB_LEN(8) | TRB_INTR_TARGET(0),
@@ -3105,7 +3130,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 	if (urb->transfer_buffer_length > 0) {
 		if (setup->bRequestType & USB_DIR_IN)
 			field |= TRB_DIR_IN;
-		queue_trb(xhci, ep_ring, false, true,
+		queue_trb(xhci, ep_ring, false, true, false,
 				lower_32_bits(urb->transfer_dma),
 				upper_32_bits(urb->transfer_dma),
 				length_field,
@@ -3121,7 +3146,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		field = 0;
 	else
 		field = TRB_DIR_IN;
-	queue_trb(xhci, ep_ring, false, false,
+	queue_trb(xhci, ep_ring, false, false, false,
 			0,
 			0,
 			TRB_INTR_TARGET(0),
@@ -3270,7 +3295,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		trbs_per_td = count_isoc_trbs_needed(xhci, urb, i);
 
 		ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index,
-				urb->stream_id, trbs_per_td, urb, i, mem_flags);
+				urb->stream_id, trbs_per_td, urb, i, true,
+				mem_flags);
 		if (ret < 0) {
 			if (i == 0)
 				return ret;
@@ -3340,7 +3366,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 				remainder |
 				TRB_INTR_TARGET(0);
 
-			queue_trb(xhci, ep_ring, false, more_trbs_coming,
+			queue_trb(xhci, ep_ring, false, more_trbs_coming, true,
 				lower_32_bits(addr),
 				upper_32_bits(addr),
 				length_field,
@@ -3422,7 +3448,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
 	 * Do not insert any td of the urb to the ring if the check failed.
 	 */
 	ret = prepare_ring(xhci, ep_ring, le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK,
-			   num_trbs, mem_flags);
+			   num_trbs, true, mem_flags);
 	if (ret)
 		return ret;
 
@@ -3481,7 +3507,7 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2,
 		reserved_trbs++;
 
 	ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING,
-			reserved_trbs, GFP_ATOMIC);
+			reserved_trbs, false, GFP_ATOMIC);
 	if (ret < 0) {
 		xhci_err(xhci, "ERR: No room for command on command ring\n");
 		if (command_must_succeed)
@@ -3489,8 +3515,8 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2,
 					"unfailable commands failed.\n");
 		return ret;
 	}
-	queue_trb(xhci, xhci->cmd_ring, false, false, field1, field2, field3,
-			field4 | xhci->cmd_ring->cycle_state);
+	queue_trb(xhci, xhci->cmd_ring, false, false, false, field1, field2,
+			field3,	field4 | xhci->cmd_ring->cycle_state);
 	return 0;
 }
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 7ea48b342aa..fb61e9d8e17 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1889,6 +1889,12 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 	ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
 	ctrl_ctx->add_flags &= cpu_to_le32(~EP0_FLAG);
 	ctrl_ctx->drop_flags &= cpu_to_le32(~(SLOT_FLAG | EP0_FLAG));
+
+	/* Don't issue the command if there's no endpoints to update. */
+	if (ctrl_ctx->add_flags == cpu_to_le32(SLOT_FLAG) &&
+			ctrl_ctx->drop_flags == 0)
+		return 0;
+
 	xhci_dbg(xhci, "New Input Control Context:\n");
 	slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
 	xhci_dbg_ctx(xhci, virt_dev->in_ctx,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d8bbf5ccb10..49ce76c6b41 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1311,6 +1311,7 @@ struct xhci_hcd {
 #define XHCI_EP_LIMIT_QUIRK	(1 << 5)
 #define XHCI_BROKEN_MSI		(1 << 6)
 #define XHCI_RESET_ON_RESUME	(1 << 7)
+#define XHCI_AMD_0x96_HOST	(1 << 9)
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
 	/* There are two roothubs to keep track of bus suspend info for */
@@ -1565,6 +1566,8 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
 		unsigned int ep_index, unsigned int stream_id);
 
 /* xHCI roothub code */
+void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
+				int port_id, u32 port_bit);
 int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,
 		char *buf, u16 wLength);
 int xhci_hub_status_data(struct usb_hcd *hcd, char *buf);
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index a09dbd243eb..a04b2ff9dd8 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1101,7 +1101,7 @@ static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg
 		nevents = mon_bin_queued(rp);
 
 		sp = (struct mon_bin_stats __user *)arg;
-		if (put_user(rp->cnt_lost, &sp->dropped))
+		if (put_user(ndropped, &sp->dropped))
 			return -EFAULT;
 		if (put_user(nevents, &sp->queued))
 			return -EFAULT;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index f968a3debf1..1b51d43f1da 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -156,6 +156,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
  */
 static struct usb_device_id id_table_combined [] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
@@ -206,6 +207,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
@@ -744,6 +747,8 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 19156d1049f..571fa96b49c 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -54,6 +54,7 @@
 /* FTDI 2332C Dual channel device, side A=245 FIFO (JTAG), Side B=RS232 UART */
 #define LMI_LM3S_DEVEL_BOARD_PID	0xbcd8
 #define LMI_LM3S_EVAL_BOARD_PID		0xbcd9
+#define LMI_LM3S_ICDI_BOARD_PID		0xbcda
 
 #define FTDI_TURTELIZER_PID	0xBDC8 /* JTAG/RS-232 adapter by egnite GmbH */
 
@@ -420,9 +421,11 @@
 #define PROTEGO_SPECIAL_4	0xFC73	/* special/unknown device */
 
 /*
- * DSS-20 Sync Station for Sony Ericsson P800
+ * Sony Ericsson product ids
  */
-#define FTDI_DSS20_PID          0xFC82
+#define FTDI_DSS20_PID		0xFC82	/* DSS-20 Sync Station for Sony Ericsson P800 */
+#define FTDI_URBAN_0_PID	0xFC8A	/* Sony Ericsson Urban, uart #0 */
+#define FTDI_URBAN_1_PID	0xFC8B	/* Sony Ericsson Urban, uart #1 */
 
 /* www.irtrans.de device */
 #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */
@@ -1159,4 +1162,8 @@
 /* USB-Nano-485*/
 #define FTDI_CTI_NANO_PID	0xF60B
 
-
+/*
+ * ZeitControl cardsystems GmbH rfid-readers http://zeitconrol.de
+ */
+/* TagTracer MIFARE*/
+#define FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID	0xF7C0
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index fe22e90bc87..89ae1f65e1b 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -475,31 +475,54 @@ enum option_blacklist_reason {
 		OPTION_BLACKLIST_RESERVED_IF = 2
 };
 
+#define MAX_BL_NUM  8
 struct option_blacklist_info {
-	const u32 infolen;	/* number of interface numbers on blacklist */
-	const u8  *ifaceinfo;	/* pointer to the array holding the numbers */
-	enum option_blacklist_reason reason;
+	/* bitfield of interface numbers for OPTION_BLACKLIST_SENDSETUP */
+	const unsigned long sendsetup;
+	/* bitfield of interface numbers for OPTION_BLACKLIST_RESERVED_IF */
+	const unsigned long reserved;
 };
 
-static const u8 four_g_w14_no_sendsetup[] = { 0, 1 };
 static const struct option_blacklist_info four_g_w14_blacklist = {
-	.infolen = ARRAY_SIZE(four_g_w14_no_sendsetup),
-	.ifaceinfo = four_g_w14_no_sendsetup,
-	.reason = OPTION_BLACKLIST_SENDSETUP
+	.sendsetup = BIT(0) | BIT(1),
 };
 
-static const u8 alcatel_x200_no_sendsetup[] = { 0, 1 };
 static const struct option_blacklist_info alcatel_x200_blacklist = {
-	.infolen = ARRAY_SIZE(alcatel_x200_no_sendsetup),
-	.ifaceinfo = alcatel_x200_no_sendsetup,
-	.reason = OPTION_BLACKLIST_SENDSETUP
+	.sendsetup = BIT(0) | BIT(1),
+};
+
+static const struct option_blacklist_info zte_0037_blacklist = {
+	.sendsetup = BIT(0) | BIT(1),
 };
 
-static const u8 zte_k3765_z_no_sendsetup[] = { 0, 1, 2 };
 static const struct option_blacklist_info zte_k3765_z_blacklist = {
-	.infolen = ARRAY_SIZE(zte_k3765_z_no_sendsetup),
-	.ifaceinfo = zte_k3765_z_no_sendsetup,
-	.reason = OPTION_BLACKLIST_SENDSETUP
+	.sendsetup = BIT(0) | BIT(1) | BIT(2),
+	.reserved = BIT(4),
+};
+
+static const struct option_blacklist_info huawei_cdc12_blacklist = {
+	.reserved = BIT(1) | BIT(2),
+};
+
+static const struct option_blacklist_info net_intf1_blacklist = {
+	.reserved = BIT(1),
+};
+
+static const struct option_blacklist_info net_intf3_blacklist = {
+	.reserved = BIT(3),
+};
+
+static const struct option_blacklist_info net_intf4_blacklist = {
+	.reserved = BIT(4),
+};
+
+static const struct option_blacklist_info net_intf5_blacklist = {
+	.reserved = BIT(5),
+};
+
+static const struct option_blacklist_info zte_mf626_blacklist = {
+	.sendsetup = BIT(0) | BIT(1),
+	.reserved = BIT(4),
 };
 
 static const struct usb_device_id option_ids[] = {
@@ -599,12 +622,15 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ETS1220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3806, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x31) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x32) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3771, 0xff, 0x02, 0x31) },
@@ -705,7 +731,8 @@ static const struct usb_device_id option_ids[] = {
 	{ 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 */
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
@@ -720,51 +747,62 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	/* { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) }, */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff,
-	  0xff, 0xff), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist },
+	  0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_mf626_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0034, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&zte_0037_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0038, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0040, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0044, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0050, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	/* { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0053, 0xff, 0xff, 0xff) }, */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0056, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0065, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
@@ -779,11 +817,13 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0083, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0087, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0104, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0104, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0105, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0106, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0108, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0113, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0113, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0117, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0118, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0121, 0xff, 0xff, 0xff) },
@@ -1214,10 +1254,35 @@ static void __exit option_exit(void)
 module_init(option_init);
 module_exit(option_exit);
 
+static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
+			   const struct option_blacklist_info *blacklist)
+{
+	unsigned long num;
+	const unsigned long *intf_list;
+
+	if (blacklist) {
+		if (reason == OPTION_BLACKLIST_SENDSETUP)
+			intf_list = &blacklist->sendsetup;
+		else if (reason == OPTION_BLACKLIST_RESERVED_IF)
+			intf_list = &blacklist->reserved;
+		else {
+			BUG_ON(reason);
+			return false;
+		}
+
+		for_each_set_bit(num, intf_list, MAX_BL_NUM + 1) {
+			if (num == ifnum)
+				return true;
+		}
+	}
+	return false;
+}
+
 static int option_probe(struct usb_serial *serial,
 			const struct usb_device_id *id)
 {
 	struct usb_wwan_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 &&
@@ -1230,14 +1295,14 @@ static int option_probe(struct usb_serial *serial,
 		serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
 		return -ENODEV;
 
-	/* Don't bind network interfaces on Huawei K3765, K4505 & K4605 */
-	if (serial->dev->descriptor.idVendor == HUAWEI_VENDOR_ID &&
-		(serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K3765 ||
-			serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505 ||
-			serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4605) &&
-		(serial->interface->cur_altsetting->desc.bInterfaceNumber == 1 ||
-			serial->interface->cur_altsetting->desc.bInterfaceNumber == 2))
-		return -ENODEV;
+	/* Don't bind reserved interfaces (like network ones) which often have
+	 * the same class/subclass/protocol as the serial interfaces.  Look at
+	 * the Windows driver .INF files for reserved interface numbers.
+	 */
+	if (is_blacklisted(
+		serial->interface->cur_altsetting->desc.bInterfaceNumber,
+		OPTION_BLACKLIST_RESERVED_IF,
+		(const struct option_blacklist_info *) id->driver_info))
 
 	/* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */
 	if (serial->dev->descriptor.idVendor == SAMSUNG_VENDOR_ID &&
@@ -1246,7 +1311,6 @@ static int option_probe(struct usb_serial *serial,
 		return -ENODEV;
 
 	data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL);
-
 	if (!data)
 		return -ENOMEM;
 	data->send_setup = option_send_setup;
@@ -1255,23 +1319,6 @@ static int option_probe(struct usb_serial *serial,
 	return 0;
 }
 
-static enum option_blacklist_reason is_blacklisted(const u8 ifnum,
-				const struct option_blacklist_info *blacklist)
-{
-	const u8  *info;
-	int i;
-
-	if (blacklist) {
-		info = blacklist->ifaceinfo;
-
-		for (i = 0; i < blacklist->infolen; i++) {
-			if (info[i] == ifnum)
-				return blacklist->reason;
-		}
-	}
-	return OPTION_BLACKLIST_NONE;
-}
-
 static void option_instat_callback(struct urb *urb)
 {
 	int err;
@@ -1343,9 +1390,8 @@ static int option_send_setup(struct usb_serial_port *port)
 	int val = 0;
 	dbg("%s", __func__);
 
-	if (is_blacklisted(ifNum,
-			   (struct option_blacklist_info *) intfdata->private)
-	    == OPTION_BLACKLIST_SENDSETUP) {
+	if (is_blacklisted(ifNum, OPTION_BLACKLIST_SENDSETUP,
+			(struct option_blacklist_info *) intfdata->private)) {
 		dbg("No send_setup on blacklisted interface #%d\n", ifNum);
 		return -EIO;
 	}
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1d33260de01..614fabc6a15 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -92,6 +92,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
 	{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
 	{ USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) },
+	{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index ca0d237683b..3d10d7f0207 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -148,3 +148,8 @@
 /* WinChipHead USB->RS 232 adapter */
 #define WINCHIPHEAD_VENDOR_ID		0x4348
 #define WINCHIPHEAD_USBSER_PRODUCT_ID	0x5523
+
+/* SMART USB Serial Adapter */
+#define SMART_VENDOR_ID	0x0b8c
+#define SMART_PRODUCT_ID	0x2303
+
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 27f9ae4dffd..b9bb24729c9 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -28,6 +28,7 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 	{USB_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
 	{USB_DEVICE(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
+	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
 	{USB_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
 	{USB_DEVICE(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
 	{USB_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
@@ -79,10 +80,12 @@ static const struct usb_device_id id_table[] = {
 	{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(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
 	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
 	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
 	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
+	{USB_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
 	{ }				/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index e8ae21b2d38..ff32390d61e 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -691,6 +691,9 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
 		int temp_result;
 		struct scsi_eh_save ses;
 		int sense_size = US_SENSE_SIZE;
+		struct scsi_sense_hdr sshdr;
+		const u8 *scdd;
+		u8 fm_ili;
 
 		/* device supports and needs bigger sense buffer */
 		if (us->fflags & US_FL_SANE_SENSE)
@@ -774,32 +777,30 @@ Retry_Sense:
 			srb->sense_buffer[7] = (US_SENSE_SIZE - 8);
 		}
 
+		scsi_normalize_sense(srb->sense_buffer, SCSI_SENSE_BUFFERSIZE,
+				     &sshdr);
+
 		US_DEBUGP("-- Result from auto-sense is %d\n", temp_result);
 		US_DEBUGP("-- code: 0x%x, key: 0x%x, ASC: 0x%x, ASCQ: 0x%x\n",
-			  srb->sense_buffer[0],
-			  srb->sense_buffer[2] & 0xf,
-			  srb->sense_buffer[12], 
-			  srb->sense_buffer[13]);
+			  sshdr.response_code, sshdr.sense_key,
+			  sshdr.asc, sshdr.ascq);
 #ifdef CONFIG_USB_STORAGE_DEBUG
-		usb_stor_show_sense(
-			  srb->sense_buffer[2] & 0xf,
-			  srb->sense_buffer[12], 
-			  srb->sense_buffer[13]);
+		usb_stor_show_sense(sshdr.sense_key, sshdr.asc, sshdr.ascq);
 #endif
 
 		/* set the result so the higher layers expect this data */
 		srb->result = SAM_STAT_CHECK_CONDITION;
 
+		scdd = scsi_sense_desc_find(srb->sense_buffer,
+					    SCSI_SENSE_BUFFERSIZE, 4);
+		fm_ili = (scdd ? scdd[3] : srb->sense_buffer[2]) & 0xA0;
+
 		/* We often get empty sense data.  This could indicate that
 		 * everything worked or that there was an unspecified
 		 * problem.  We have to decide which.
 		 */
-		if (	/* Filemark 0, ignore EOM, ILI 0, no sense */
-				(srb->sense_buffer[2] & 0xaf) == 0 &&
-			/* No ASC or ASCQ */
-				srb->sense_buffer[12] == 0 &&
-				srb->sense_buffer[13] == 0) {
-
+		if (sshdr.sense_key == 0 && sshdr.asc == 0 && sshdr.ascq == 0 &&
+		    fm_ili == 0) {
 			/* If things are really okay, then let's show that.
 			 * Zero out the sense buffer so the higher layers
 			 * won't realize we did an unsolicited auto-sense.
@@ -814,7 +815,10 @@ Retry_Sense:
 			 */
 			} else {
 				srb->result = DID_ERROR << 16;
-				srb->sense_buffer[2] = HARDWARE_ERROR;
+				if ((sshdr.response_code & 0x72) == 0x72)
+					srb->sense_buffer[1] = HARDWARE_ERROR;
+				else
+					srb->sense_buffer[2] = HARDWARE_ERROR;
 			}
 		}
 	}
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 0ca095820f3..c325e69415a 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -831,12 +831,22 @@ static int usb_stor_scan_thread(void * __us)
 
 	dev_dbg(dev, "device found\n");
 
-	set_freezable();
-	/* Wait for the timeout to expire or for a disconnect */
+	set_freezable_with_signal();
+	/*
+	 * Wait for the timeout to expire or for a disconnect
+	 *
+	 * We can't freeze in this thread or we risk causing khubd to
+	 * fail to freeze, but we can't be non-freezable either. Nor can
+	 * khubd freeze while waiting for scanning to complete as it may
+	 * hold the device lock, causing a hang when suspending devices.
+	 * So we request a fake signal when freezing and use
+	 * interruptible sleep to kick us out of our wait early when
+	 * freezing happens.
+	 */
 	if (delay_use > 0) {
 		dev_dbg(dev, "waiting for device to settle "
 				"before scanning\n");
-		wait_event_freezable_timeout(us->delay_wait,
+		wait_event_interruptible_timeout(us->delay_wait,
 				test_bit(US_FLIDX_DONT_SCAN, &us->dflags),
 				delay_use * HZ);
 	}