95 files changed, 210 insertions, 165 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 1ff06de..217dc54 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9557,6 +9557,14 @@ S:	Maintained
 F:	Documentation/usb/ohci.txt
 F:	drivers/usb/host/ohci*
 
+USB OVER IP DRIVER
+M:	Valentina Manea <valentina.manea.m@gmail.com>
+M:	Shuah Khan <shuah.kh@samsung.com>
+L:	linux-usb@vger.kernel.org
+S:	Maintained
+F:	drivers/usb/usbip/
+F:	tools/usb/usbip/
+
 USB PEGASUS DRIVER
 M:	Petko Manolov <petkan@nucleusys.com>
 L:	linux-usb@vger.kernel.org
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 2c486ea..35b494f 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -28,8 +28,6 @@ source "drivers/staging/et131x/Kconfig"
 
 source "drivers/staging/slicoss/Kconfig"
 
-source "drivers/staging/usbip/Kconfig"
-
 source "drivers/staging/wlan-ng/Kconfig"
 
 source "drivers/staging/comedi/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 1e1a3a1..e66a5db 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -6,7 +6,6 @@ obj-$(CONFIG_STAGING)		+= staging.o
 obj-y				+= media/
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
-obj-$(CONFIG_USBIP_CORE)	+= usbip/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_COMEDI)		+= comedi/
 obj-$(CONFIG_FB_OLPC_DCON)	+= olpc_dcon/
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index e0cad44..cf1b19b 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -92,6 +92,8 @@ source "drivers/usb/storage/Kconfig"
 
 source "drivers/usb/image/Kconfig"
 
+source "drivers/usb/usbip/Kconfig"
+
 endif
 
 source "drivers/usb/musb/Kconfig"
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 3cba892..d7be717 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -60,3 +60,5 @@ obj-$(CONFIG_USB_RENESAS_USBHS)	+= renesas_usbhs/
 obj-$(CONFIG_USB_GADGET)	+= gadget/
 
 obj-$(CONFIG_USB_COMMON)	+= common/
+
+obj-$(CONFIG_USBIP_CORE)	+= usbip/
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8a4dcbc..46f5161 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1728,8 +1728,14 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 * - Change autosuspend delay of hub can avoid unnecessary auto
 	 *   suspend timer for hub, also may decrease power consumption
 	 *   of USB bus.
+	 *
+	 * - If user has indicated to prevent autosuspend by passing
+	 *   usbcore.autosuspend = -1 then keep autosuspend disabled.
 	 */
-	pm_runtime_set_autosuspend_delay(&hdev->dev, 0);
+#ifdef CONFIG_PM_RUNTIME
+	if (hdev->dev.power.autosuspend_delay >= 0)
+		pm_runtime_set_autosuspend_delay(&hdev->dev, 0);
+#endif
 
 	/*
 	 * Hubs have proper suspend/resume support, except for root hubs
@@ -2107,8 +2113,8 @@ void usb_disconnect(struct usb_device **pdev)
 {
 	struct usb_port *port_dev = NULL;
 	struct usb_device *udev = *pdev;
-	struct usb_hub *hub;
-	int port1;
+	struct usb_hub *hub = NULL;
+	int port1 = 1;
 
 	/* mark the device as inactive, so any further urb submissions for
 	 * this device (and any of its children) will fail immediately.
@@ -4631,9 +4637,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
 			if (status != -ENODEV &&
 				port1 != unreliable_port &&
 				printk_ratelimit())
-				dev_err(&udev->dev, "connect-debounce failed, port %d disabled\n",
-					port1);
-
+				dev_err(&port_dev->dev, "connect-debounce failed\n");
 			portstatus &= ~USB_PORT_STAT_CONNECTION;
 			unreliable_port = port1;
 		} else {
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 0ba9c33..7c9618e 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1901,7 +1901,7 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx,
 static void s3c_hsotg_irq_enumdone(struct s3c_hsotg *hsotg)
 {
 	u32 dsts = readl(hsotg->regs + DSTS);
-	int ep0_mps = 0, ep_mps;
+	int ep0_mps = 0, ep_mps = 8;
 
 	/*
 	 * This should signal the finish of the enumeration phase
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index ef4936f..9dcfbe7 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -425,7 +425,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap)
 
 static int dwc3_omap_extcon_register(struct dwc3_omap *omap)
 {
-	u32			ret;
+	int			ret;
 	struct device_node	*node = omap->dev->of_node;
 	struct extcon_dev	*edev;
 
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index a186afe..9add915d 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -3,7 +3,7 @@
 #
 subdir-ccflags-$(CONFIG_USB_GADGET_DEBUG)	:= -DDEBUG
 subdir-ccflags-$(CONFIG_USB_GADGET_VERBOSE)	+= -DVERBOSE_DEBUG
-ccflags-y				+= -I$(PWD)/drivers/usb/gadget/udc
+ccflags-y				+= -Idrivers/usb/gadget/udc
 
 obj-$(CONFIG_USB_LIBCOMPOSITE)	+= libcomposite.o
 libcomposite-y			:= usbstring.o config.o epautoconf.o
diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile
index 6d91f21..83ae106 100644
--- a/drivers/usb/gadget/function/Makefile
+++ b/drivers/usb/gadget/function/Makefile
@@ -2,8 +2,8 @@
 # USB peripheral controller drivers
 #
 
-ccflags-y			:= -I$(PWD)/drivers/usb/gadget/
-ccflags-y			+= -I$(PWD)/drivers/usb/gadget/udc/
+ccflags-y			:= -Idrivers/usb/gadget/
+ccflags-y			+= -Idrivers/usb/gadget/udc/
 
 # USB Functions
 usb_f_acm-y			:= f_acm.o
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index d50adda..6e6f876 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1127,10 +1127,7 @@ void gether_disconnect(struct gether *link)
 
 	DBG(dev, "%s\n", __func__);
 
-	netif_tx_lock(dev->net);
 	netif_stop_queue(dev->net);
-	netif_tx_unlock(dev->net);
-
 	netif_carrier_off(dev->net);
 
 	/* disable endpoints, forcing (synchronous) completion
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 71e896d..a5eb9a3 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -195,6 +195,7 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
 		printk(KERN_INFO "Failed to queue request (%d).\n", ret);
 		usb_ep_set_halt(ep);
 		spin_unlock_irqrestore(&video->queue.irqlock, flags);
+		uvc_queue_cancel(queue, 0);
 		goto requeue;
 	}
 	spin_unlock_irqrestore(&video->queue.irqlock, flags);
@@ -281,6 +282,7 @@ error:
 static int
 uvc_video_pump(struct uvc_video *video)
 {
+	struct uvc_video_queue *queue = &video->queue;
 	struct usb_request *req;
 	struct uvc_buffer *buf;
 	unsigned long flags;
@@ -322,6 +324,7 @@ uvc_video_pump(struct uvc_video *video)
 			printk(KERN_INFO "Failed to queue request (%d)\n", ret);
 			usb_ep_set_halt(video->ep);
 			spin_unlock_irqrestore(&video->queue.irqlock, flags);
+			uvc_queue_cancel(queue, 0);
 			break;
 		}
 		spin_unlock_irqrestore(&video->queue.irqlock, flags);
diff --git a/drivers/usb/gadget/legacy/Makefile b/drivers/usb/gadget/legacy/Makefile
index a11aad5..edba2d1 100644
--- a/drivers/usb/gadget/legacy/Makefile
+++ b/drivers/usb/gadget/legacy/Makefile
@@ -2,9 +2,9 @@
 # USB gadget drivers
 #
 
-ccflags-y			:= -I$(PWD)/drivers/usb/gadget/
-ccflags-y			+= -I$(PWD)/drivers/usb/gadget/udc/
-ccflags-y			+= -I$(PWD)/drivers/usb/gadget/function/
+ccflags-y			:= -Idrivers/usb/gadget/
+ccflags-y			+= -Idrivers/usb/gadget/udc/
+ccflags-y			+= -Idrivers/usb/gadget/function/
 
 g_zero-y			:= zero.o
 g_audio-y			:= audio.o
diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index 986fc51..225e385 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -222,10 +222,12 @@ static void dbgp_unbind(struct usb_gadget *gadget)
 {
 #ifdef CONFIG_USB_G_DBGP_SERIAL
 	kfree(dbgp.serial);
+	dbgp.serial = NULL;
 #endif
 	if (dbgp.req) {
 		kfree(dbgp.req->buf);
 		usb_ep_free_request(gadget->ep0, dbgp.req);
+		dbgp.req = NULL;
 	}
 
 	gadget->ep0->driver_data = NULL;
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 2e4ce77..e96077b 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -440,7 +440,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 
 	value = -ENOMEM;
 	kbuf = memdup_user(buf, len);
-	if (!kbuf) {
+	if (IS_ERR(kbuf)) {
 		value = PTR_ERR(kbuf);
 		goto free1;
 	}
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 5151f94..34ebaa6 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -332,7 +332,7 @@ config USB_GOKU
 	   gadget drivers to also be dynamically linked.
 
 config USB_EG20T
-	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
+	tristate "Intel QUARK X1000/EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
 	depends on PCI
 	help
 	  This is a USB device driver for EG20T PCH.
@@ -353,6 +353,7 @@ config USB_EG20T
 	  ML7213/ML7831 is companion chip for Intel Atom E6xx series.
 	  ML7213/ML7831 is completely compatible for Intel EG20T PCH.
 
+	  This driver can be used with Intel's Quark X1000 SOC platform
 #
 # LAST -- dummy/emulated controller
 #
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 906e65f..c9fe67e 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1661,7 +1661,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
 	if (dma_status) {
 		int i;
 
-		for (i = 1; i < USBA_NR_DMAS; i++)
+		for (i = 1; i <= USBA_NR_DMAS; i++)
 			if (dma_status & (1 << i))
 				usba_dma_irq(udc, &udc->usba_ep[i]);
 	}
diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index d40255f..5c5d1ad 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -1398,13 +1398,17 @@ static int fusb300_probe(struct platform_device *pdev)
 
 	/* initialize udc */
 	fusb300 = kzalloc(sizeof(struct fusb300), GFP_KERNEL);
-	if (fusb300 == NULL)
+	if (fusb300 == NULL) {
+		ret = -ENOMEM;
 		goto clean_up;
+	}
 
 	for (i = 0; i < FUSB300_MAX_NUM_EP; i++) {
 		_ep[i] = kzalloc(sizeof(struct fusb300_ep), GFP_KERNEL);
-		if (_ep[i] == NULL)
+		if (_ep[i] == NULL) {
+			ret = -ENOMEM;
 			goto clean_up;
+		}
 		fusb300->ep[i] = _ep[i];
 	}
 
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index eb8c3be..460d953 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -343,6 +343,7 @@ struct pch_vbus_gpio_data {
  * @setup_data:		Received setup data
  * @phys_addr:		of device memory
  * @base_addr:		for mapped device memory
+ * @bar:		Indicates which PCI BAR for USB regs
  * @irq:		IRQ line for the device
  * @cfg_data:		current cfg, intf, and alt in use
  * @vbus_gpio:		GPIO informaton for detecting VBUS
@@ -370,14 +371,17 @@ struct pch_udc_dev {
 	struct usb_ctrlrequest		setup_data;
 	unsigned long			phys_addr;
 	void __iomem			*base_addr;
+	unsigned			bar;
 	unsigned			irq;
 	struct pch_udc_cfg_data		cfg_data;
 	struct pch_vbus_gpio_data	vbus_gpio;
 };
 #define to_pch_udc(g)	(container_of((g), struct pch_udc_dev, gadget))
 
+#define PCH_UDC_PCI_BAR_QUARK_X1000	0
 #define PCH_UDC_PCI_BAR			1
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC	0x8808
+#define PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC	0x0939
 #define PCI_VENDOR_ID_ROHM		0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC	0x801D
 #define PCI_DEVICE_ID_ML7831_IOH_UDC	0x8808
@@ -3076,7 +3080,7 @@ static void pch_udc_remove(struct pci_dev *pdev)
 		iounmap(dev->base_addr);
 	if (dev->mem_region)
 		release_mem_region(dev->phys_addr,
-				   pci_resource_len(pdev, PCH_UDC_PCI_BAR));
+				   pci_resource_len(pdev, dev->bar));
 	if (dev->active)
 		pci_disable_device(pdev);
 	kfree(dev);
@@ -3144,9 +3148,15 @@ static int pch_udc_probe(struct pci_dev *pdev,
 	dev->active = 1;
 	pci_set_drvdata(pdev, dev);
 
+	/* Determine BAR based on PCI ID */
+	if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC)
+		dev->bar = PCH_UDC_PCI_BAR_QUARK_X1000;
+	else
+		dev->bar = PCH_UDC_PCI_BAR;
+
 	/* PCI resource allocation */
-	resource = pci_resource_start(pdev, 1);
-	len = pci_resource_len(pdev, 1);
+	resource = pci_resource_start(pdev, dev->bar);
+	len = pci_resource_len(pdev, dev->bar);
 
 	if (!request_mem_region(resource, len, KBUILD_MODNAME)) {
 		dev_err(&pdev->dev, "%s: pci device used already\n", __func__);
@@ -3212,6 +3222,12 @@ finished:
 
 static const struct pci_device_id pch_udc_pcidev_id[] = {
 	{
+		PCI_DEVICE(PCI_VENDOR_ID_INTEL,
+			   PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC),
+		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+		.class_mask = 0xffffffff,
+	},
+	{
 		PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC),
 		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
 		.class_mask = 0xffffffff,
diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c
index 4600842..de2a871 100644
--- a/drivers/usb/gadget/udc/r8a66597-udc.c
+++ b/drivers/usb/gadget/udc/r8a66597-udc.c
@@ -1868,8 +1868,8 @@ static int r8a66597_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	reg = devm_ioremap_resource(&pdev->dev, res);
-	if (!reg)
-		return -ENODEV;
+	if (IS_ERR(reg))
+		return PTR_ERR(reg);
 
 	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	irq = ires->start;
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index cc305c7..6130b75 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -1230,7 +1230,7 @@ int ehci_hub_control(
 			if (selector == EHSET_TEST_SINGLE_STEP_SET_FEATURE) {
 				spin_unlock_irqrestore(&ehci->lock, flags);
 				retval = ehset_single_step_set_feature(hcd,
-									wIndex);
+								wIndex + 1);
 				spin_lock_irqsave(&ehci->lock, flags);
 				break;
 			}
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 687d366..c22a3e1 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -101,6 +101,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	/* AMD PLL quirk */
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
 		xhci->quirks |= XHCI_AMD_PLL_FIX;
+
+	if (pdev->vendor == PCI_VENDOR_ID_AMD)
+		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
 		xhci->quirks |= XHCI_LPM_SUPPORT;
 		xhci->quirks |= XHCI_INTEL_HOST;
@@ -151,6 +155,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	if (pdev->vendor == PCI_VENDOR_ID_VIA)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 
+	/* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
+	if (pdev->vendor == PCI_VENDOR_ID_VIA &&
+			pdev->device == 0x3432)
+		xhci->quirks |= XHCI_BROKEN_STREAMS;
+
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
 				"QUIRK: Resetting on resume");
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 60fb52a..abed30b 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -364,32 +364,6 @@ static void ring_doorbell_for_active_rings(struct xhci_hcd *xhci,
 	}
 }
 
-/*
- * Find the segment that trb is in.  Start searching in start_seg.
- * If we must move past a segment that has a link TRB with a toggle cycle state
- * bit set, then we will toggle the value pointed at by cycle_state.
- */
-static struct xhci_segment *find_trb_seg(
-		struct xhci_segment *start_seg,
-		union xhci_trb	*trb, int *cycle_state)
-{
-	struct xhci_segment *cur_seg = start_seg;
-	struct xhci_generic_trb *generic_trb;
-
-	while (cur_seg->trbs > trb ||
-			&cur_seg->trbs[TRBS_PER_SEGMENT - 1] < trb) {
-		generic_trb = &cur_seg->trbs[TRBS_PER_SEGMENT - 1].generic;
-		if (generic_trb->field[3] & cpu_to_le32(LINK_TOGGLE))
-			*cycle_state ^= 0x1;
-		cur_seg = cur_seg->next;
-		if (cur_seg == start_seg)
-			/* Looped over the entire list.  Oops! */
-			return NULL;
-	}
-	return cur_seg;
-}
-
-
 static struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci,
 		unsigned int slot_id, unsigned int ep_index,
 		unsigned int stream_id)
@@ -459,9 +433,12 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 	struct xhci_virt_device *dev = xhci->devs[slot_id];
 	struct xhci_virt_ep *ep = &dev->eps[ep_index];
 	struct xhci_ring *ep_ring;
-	struct xhci_generic_trb *trb;
+	struct xhci_segment *new_seg;
+	union xhci_trb *new_deq;
 	dma_addr_t addr;
 	u64 hw_dequeue;
+	bool cycle_found = false;
+	bool td_last_trb_found = false;
 
 	ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
 			ep_index, stream_id);
@@ -486,45 +463,45 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 		hw_dequeue = le64_to_cpu(ep_ctx->deq);
 	}
 
-	/* Find virtual address and segment of hardware dequeue pointer */
-	state->new_deq_seg = ep_ring->deq_seg;
-	state->new_deq_ptr = ep_ring->dequeue;
-	while (xhci_trb_virt_to_dma(state->new_deq_seg, state->new_deq_ptr)
-			!= (dma_addr_t)(hw_dequeue & ~0xf)) {
-		next_trb(xhci, ep_ring, &state->new_deq_seg,
-					&state->new_deq_ptr);
-		if (state->new_deq_ptr == ep_ring->dequeue) {
-			WARN_ON(1);
-			return;
-		}
-	}
+	new_seg = ep_ring->deq_seg;
+	new_deq = ep_ring->dequeue;
+	state->new_cycle_state = hw_dequeue & 0x1;
+
 	/*
-	 * Find cycle state for last_trb, starting at old cycle state of
-	 * hw_dequeue. If there is only one segment ring, find_trb_seg() will
-	 * return immediately and cannot toggle the cycle state if this search
-	 * wraps around, so add one more toggle manually in that case.
+	 * We want to find the pointer, segment and cycle state of the new trb
+	 * (the one after current TD's last_trb). We know the cycle state at
+	 * hw_dequeue, so walk the ring until both hw_dequeue and last_trb are
+	 * found.
 	 */
-	state->new_cycle_state = hw_dequeue & 0x1;
-	if (ep_ring->first_seg == ep_ring->first_seg->next &&
-			cur_td->last_trb < state->new_deq_ptr)
-		state->new_cycle_state ^= 0x1;
+	do {
+		if (!cycle_found && xhci_trb_virt_to_dma(new_seg, new_deq)
+		    == (dma_addr_t)(hw_dequeue & ~0xf)) {
+			cycle_found = true;
+			if (td_last_trb_found)
+				break;
+		}
+		if (new_deq == cur_td->last_trb)
+			td_last_trb_found = true;
 
-	state->new_deq_ptr = cur_td->last_trb;
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"Finding segment containing last TRB in TD.");
-	state->new_deq_seg = find_trb_seg(state->new_deq_seg,
-			state->new_deq_ptr, &state->new_cycle_state);
-	if (!state->new_deq_seg) {
-		WARN_ON(1);
-		return;
-	}
+		if (cycle_found &&
+		    TRB_TYPE_LINK_LE32(new_deq->generic.field[3]) &&
+		    new_deq->generic.field[3] & cpu_to_le32(LINK_TOGGLE))
+			state->new_cycle_state ^= 0x1;
+
+		next_trb(xhci, ep_ring, &new_seg, &new_deq);
+
+		/* Search wrapped around, bail out */
+		if (new_deq == ep->ring->dequeue) {
+			xhci_err(xhci, "Error: Failed finding new dequeue state\n");
+			state->new_deq_seg = NULL;
+			state->new_deq_ptr = NULL;
+			return;
+		}
+
+	} while (!cycle_found || !td_last_trb_found);
 
-	/* Increment to find next TRB after last_trb. Cycle if appropriate. */
-	trb = &state->new_deq_ptr->generic;
-	if (TRB_TYPE_LINK_LE32(trb->field[3]) &&
-	    (trb->field[3] & cpu_to_le32(LINK_TOGGLE)))
-		state->new_cycle_state ^= 0x1;
-	next_trb(xhci, ep_ring, &state->new_deq_seg, &state->new_deq_ptr);
+	state->new_deq_seg = new_seg;
+	state->new_deq_ptr = new_deq;
 
 	/* Don't update the ring cycle state for the producer (us). */
 	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
@@ -2487,7 +2464,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		 * last TRB of the previous TD. The command completion handle
 		 * will take care the rest.
 		 */
-		if (!event_seg && trb_comp_code == COMP_STOP_INVAL) {
+		if (!event_seg && (trb_comp_code == COMP_STOP ||
+				   trb_comp_code == COMP_STOP_INVAL)) {
 			ret = 0;
 			goto cleanup;
 		}
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b6f2117..c020b09 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2880,6 +2880,9 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
 			ep_index, ep->stopped_stream, ep->stopped_td,
 			&deq_state);
 
+	if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg)
+		return;
+
 	/* HW with the reset endpoint quirk will use the saved dequeue state to
 	 * issue a configure endpoint command later.
 	 */
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 06b5d77..633caf6 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3250,6 +3250,7 @@ static const struct usb_device_id sisusb_table[] = {
 	{ USB_DEVICE(0x0711, 0x0918) },
 	{ USB_DEVICE(0x0711, 0x0920) },
 	{ USB_DEVICE(0x0711, 0x0950) },
+	{ USB_DEVICE(0x0711, 0x5200) },
 	{ USB_DEVICE(0x182d, 0x021c) },
 	{ USB_DEVICE(0x182d, 0x0269) },
 	{ }
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index 9aad00f..221faed 100644
--- a/drivers/usb/musb/ux500_dma.c
+++ b/drivers/usb/musb/ux500_dma.c
@@ -96,7 +96,7 @@ static bool ux500_configure_channel(struct dma_channel *channel,
 	struct musb *musb = ux500_channel->controller->private_data;
 
 	dev_dbg(musb->controller,
-		"packet_sz=%d, mode=%d, dma_addr=0x%llu, len=%d is_tx=%d\n",
+		"packet_sz=%d, mode=%d, dma_addr=0x%llx, len=%d is_tx=%d\n",
 		packet_sz, mode, (unsigned long long) dma_addr,
 		len, ux500_channel->is_tx);
 
diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c
index ea9e705..f4b14bd 100644
--- a/drivers/usb/phy/phy-gpio-vbus-usb.c
+++ b/drivers/usb/phy/phy-gpio-vbus-usb.c
@@ -260,10 +260,8 @@ static int gpio_vbus_probe(struct platform_device *pdev)
 
 	gpio_vbus->phy.otg = devm_kzalloc(&pdev->dev, sizeof(struct usb_otg),
 					  GFP_KERNEL);
-	if (!gpio_vbus->phy.otg) {
-		kfree(gpio_vbus);
+	if (!gpio_vbus->phy.otg)
 		return -ENOMEM;
-	}
 
 	platform_set_drvdata(pdev, gpio_vbus);
 	gpio_vbus->dev = &pdev->dev;
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index e4108ee..afc0908 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -1601,8 +1601,8 @@ static int msm_otg_probe(struct platform_device *pdev)
 	 */
 	if (motg->phy_number) {
 		phy_select = devm_ioremap_nocache(&pdev->dev, USB2_PHY_SEL, 4);
-		if (IS_ERR(phy_select))
-			return PTR_ERR(phy_select);
+		if (!phy_select)
+			return -ENOMEM;
 		/* Enable second PHY with the OTG port */
 		writel(0x1, phy_select);
 	}
diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
index 68771bf..80eedd4 100644
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ b/drivers/usb/phy/phy-samsung-usb.h
@@ -216,7 +216,7 @@
 
 #define EXYNOS5_DRD_PHYPARAM1			(0x20)
 
-#define PHYPARAM1_PCS_TXDEEMPH_MASK		(0x1f << 0)
+#define PHYPARAM1_PCS_TXDEEMPH_MASK		(0x3f << 0)
 #define PHYPARAM1_PCS_TXDEEMPH			(0x1c)
 
 #define EXYNOS5_DRD_PHYTERM			(0x24)
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 6d0f608..045cd30 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -232,6 +232,9 @@ struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index)
 	phy = __usb_find_phy_dev(dev, &phy_bind_list, index);
 	if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
 		dev_dbg(dev, "unable to find transceiver\n");
+		if (!IS_ERR(phy))
+			phy = ERR_PTR(-ENODEV);
+
 		goto err0;
 	}
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 216ce30..824ea5e 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -146,6 +146,7 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
@@ -934,6 +935,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
+	/* ekey Devices */
+	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
 	/* Infineon Devices */
 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
 	{ }					/* Terminating entry */
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 1e58d90..70b0b1d 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -42,6 +42,8 @@
 /* www.candapter.com Ewert Energy Systems CANdapter device */
 #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */
 
+#define FTDI_BM_ATOM_NANO_PID	0xa559	/* Basic Micro ATOM Nano USB2Serial */
+
 /*
  * Texas Instruments XDS100v2 JTAG / BeagleBone A3
  * http://processors.wiki.ti.com/index.php/XDS100
@@ -1378,3 +1380,8 @@
 #define BRAINBOXES_US_160_6_PID		0x9006 /* US-160 16xRS232 1Mbaud Port 11 and 12 */
 #define BRAINBOXES_US_160_7_PID		0x9007 /* US-160 16xRS232 1Mbaud Port 13 and 14 */
 #define BRAINBOXES_US_160_8_PID		0x9008 /* US-160 16xRS232 1Mbaud Port 15 and 16 */
+
+/*
+ * ekey biometric systems GmbH (http://ekey.net/)
+ */
+#define FTDI_EKEY_CONV_USB_PID		0xCB08	/* Converter USB */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index a968894..54a8120 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -275,8 +275,12 @@ static void option_instat_callback(struct urb *urb);
 #define ZTE_PRODUCT_MF622			0x0001
 #define ZTE_PRODUCT_MF628			0x0015
 #define ZTE_PRODUCT_MF626			0x0031
-#define ZTE_PRODUCT_MC2718			0xffe8
 #define ZTE_PRODUCT_AC2726			0xfff1
+#define ZTE_PRODUCT_CDMA_TECH			0xfffe
+#define ZTE_PRODUCT_AC8710T			0xffff
+#define ZTE_PRODUCT_MC2718			0xffe8
+#define ZTE_PRODUCT_AD3812			0xffeb
+#define ZTE_PRODUCT_MC2716			0xffed
 
 #define BENQ_VENDOR_ID				0x04a5
 #define BENQ_PRODUCT_H10			0x4068
@@ -494,6 +498,10 @@ static void option_instat_callback(struct urb *urb);
 #define INOVIA_VENDOR_ID			0x20a6
 #define INOVIA_SEW858				0x1105
 
+/* VIA Telecom */
+#define VIATELECOM_VENDOR_ID			0x15eb
+#define VIATELECOM_PRODUCT_CDS7			0x0001
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -527,10 +535,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = {
 	.reserved = BIT(4),
 };
 
+static const struct option_blacklist_info zte_ad3812_z_blacklist = {
+	.sendsetup = BIT(0) | BIT(1) | BIT(2),
+};
+
 static const struct option_blacklist_info zte_mc2718_z_blacklist = {
 	.sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4),
 };
 
+static const struct option_blacklist_info zte_mc2716_z_blacklist = {
+	.sendsetup = BIT(1) | BIT(2) | BIT(3),
+};
+
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
 	.reserved = BIT(1) | BIT(2),
 };
@@ -1070,6 +1086,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_INTERFACE_CLASS(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012, 0xff) },
 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
 	{ 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(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
@@ -1544,13 +1561,18 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff93, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff94, 0xff, 0xff, 0xff) },
 
-	/* NOTE: most ZTE CDMA devices should be driven by zte_ev, not option */
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff),
 	 .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) },
 	{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
 
 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
@@ -1724,6 +1746,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
 	{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
+	{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1916,6 +1939,8 @@ static void option_instat_callback(struct urb *urb)
 			dev_dbg(dev, "%s: type %x req %x\n", __func__,
 				req_pkt->bRequestType, req_pkt->bRequest);
 		}
+	} else if (status == -ENOENT || status == -ESHUTDOWN) {
+		dev_dbg(dev, "%s: urb stopped: %d\n", __func__, status);
 	} else
 		dev_err(dev, "%s: error %d\n", __func__, status);
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index b3d5a35..e9bad92 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -45,6 +45,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
+	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) },
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
 	{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 42bc082..71fd9da 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -22,6 +22,7 @@
 #define PL2303_PRODUCT_ID_GPRS		0x0609
 #define PL2303_PRODUCT_ID_HCR331	0x331a
 #define PL2303_PRODUCT_ID_MOTOROLA	0x0307
+#define PL2303_PRODUCT_ID_ZTEK		0xe1f1
 
 #define ATEN_VENDOR_ID		0x0557
 #define ATEN_VENDOR_ID2		0x0547
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 02de311..475723c 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -764,29 +764,39 @@ static int usb_serial_probe(struct usb_interface *interface,
 		if (usb_endpoint_is_bulk_in(endpoint)) {
 			/* we found a bulk in endpoint */
 			dev_dbg(ddev, "found bulk in on endpoint %d\n", i);
-			bulk_in_endpoint[num_bulk_in] = endpoint;
-			++num_bulk_in;
+			if (num_bulk_in < MAX_NUM_PORTS) {
+				bulk_in_endpoint[num_bulk_in] = endpoint;
+				++num_bulk_in;
+			}
 		}
 
 		if (usb_endpoint_is_bulk_out(endpoint)) {
 			/* we found a bulk out endpoint */
 			dev_dbg(ddev, "found bulk out on endpoint %d\n", i);
-			bulk_out_endpoint[num_bulk_out] = endpoint;
-			++num_bulk_out;
+			if (num_bulk_out < MAX_NUM_PORTS) {
+				bulk_out_endpoint[num_bulk_out] = endpoint;
+				++num_bulk_out;
+			}
 		}
 
 		if (usb_endpoint_is_int_in(endpoint)) {
 			/* we found a interrupt in endpoint */
 			dev_dbg(ddev, "found interrupt in on endpoint %d\n", i);
-			interrupt_in_endpoint[num_interrupt_in] = endpoint;
-			++num_interrupt_in;
+			if (num_interrupt_in < MAX_NUM_PORTS) {
+				interrupt_in_endpoint[num_interrupt_in] =
+						endpoint;
+				++num_interrupt_in;
+			}
 		}
 
 		if (usb_endpoint_is_int_out(endpoint)) {
 			/* we found an interrupt out endpoint */
 			dev_dbg(ddev, "found interrupt out on endpoint %d\n", i);
-			interrupt_out_endpoint[num_interrupt_out] = endpoint;
-			++num_interrupt_out;
+			if (num_interrupt_out < MAX_NUM_PORTS) {
+				interrupt_out_endpoint[num_interrupt_out] =
+						endpoint;
+				++num_interrupt_out;
+			}
 		}
 	}
 
@@ -809,8 +819,10 @@ static int usb_serial_probe(struct usb_interface *interface,
 				if (usb_endpoint_is_int_in(endpoint)) {
 					/* we found a interrupt in endpoint */
 					dev_dbg(ddev, "found interrupt in for Prolific device on separate interface\n");
-					interrupt_in_endpoint[num_interrupt_in] = endpoint;
-					++num_interrupt_in;
+					if (num_interrupt_in < MAX_NUM_PORTS) {
+						interrupt_in_endpoint[num_interrupt_in] = endpoint;
+						++num_interrupt_in;
+					}
 				}
 			}
 		}
@@ -850,6 +862,11 @@ static int usb_serial_probe(struct usb_interface *interface,
 			num_ports = type->num_ports;
 	}
 
+	if (num_ports > MAX_NUM_PORTS) {
+		dev_warn(ddev, "too many ports requested: %d\n", num_ports);
+		num_ports = MAX_NUM_PORTS;
+	}
+
 	serial->num_ports = num_ports;
 	serial->num_bulk_in = num_bulk_in;
 	serial->num_bulk_out = num_bulk_out;
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index e62f2df..6c3734d 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -514,6 +514,10 @@ static void command_port_read_callback(struct urb *urb)
 		dev_dbg(&urb->dev->dev, "%s - command_info is NULL, exiting.\n", __func__);
 		return;
 	}
+	if (!urb->actual_length) {
+		dev_dbg(&urb->dev->dev, "%s - empty response, exiting.\n", __func__);
+		return;
+	}
 	if (status) {
 		dev_dbg(&urb->dev->dev, "%s - nonzero urb status: %d\n", __func__, status);
 		if (status != -ENOENT)
@@ -534,7 +538,8 @@ static void command_port_read_callback(struct urb *urb)
 		/* These are unsolicited reports from the firmware, hence no
 		   waiting command to wakeup */
 		dev_dbg(&urb->dev->dev, "%s - event received\n", __func__);
-	} else if (data[0] == WHITEHEAT_GET_DTR_RTS) {
+	} else if ((data[0] == WHITEHEAT_GET_DTR_RTS) &&
+		(urb->actual_length - 1 <= sizeof(command_info->result_buffer))) {
 		memcpy(command_info->result_buffer, &data[1],
 						urb->actual_length - 1);
 		command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c
index e40ab73..1a132e9 100644
--- a/drivers/usb/serial/zte_ev.c
+++ b/drivers/usb/serial/zte_ev.c
@@ -272,28 +272,8 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
 }
 
 static const struct usb_device_id id_table[] = {
-	/* AC8710, AC8710T */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffff, 0xff, 0xff, 0xff) },
-	 /* AC8700 */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfffe, 0xff, 0xff, 0xff) },
 	/* MG880 */
 	{ USB_DEVICE(0x19d2, 0xfffd) },
-	{ USB_DEVICE(0x19d2, 0xfffc) },
-	{ USB_DEVICE(0x19d2, 0xfffb) },
-	/* AC8710_V3 */
-	{ USB_DEVICE(0x19d2, 0xfff6) },
-	{ USB_DEVICE(0x19d2, 0xfff7) },
-	{ USB_DEVICE(0x19d2, 0xfff8) },
-	{ USB_DEVICE(0x19d2, 0xfff9) },
-	{ USB_DEVICE(0x19d2, 0xffee) },
-	/* AC2716, MC2716 */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffed, 0xff, 0xff, 0xff) },
-	/* AD3812 */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffeb, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE(0x19d2, 0xffec) },
-	{ USB_DEVICE(0x05C6, 0x3197) },
-	{ USB_DEVICE(0x05C6, 0x6000) },
-	{ USB_DEVICE(0x05C6, 0x9008) },
 	{ },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 80a5b36..7ef99b2f 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -922,6 +922,12 @@ UNUSUAL_DEV(  0x069b, 0x3004, 0x0001, 0x0001,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY ),
 
+UNUSUAL_DEV(  0x06ca, 0x2003, 0x0100, 0x0100,
+		"Newer Technology",
+		"uSCSI",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Reported by Adrian Pilchowiec <adi1981@epf.pl> */
 UNUSUAL_DEV(  0x071b, 0x3203, 0x0000, 0x0000,
 		"RockChip",
diff --git a/drivers/staging/usbip/Kconfig b/drivers/usb/usbip/Kconfig
index bd99e9e..bd99e9e 100644
--- a/drivers/staging/usbip/Kconfig
+++ b/drivers/usb/usbip/Kconfig
diff --git a/drivers/staging/usbip/Makefile b/drivers/usb/usbip/Makefile
index 9ecd615..9ecd615 100644
--- a/drivers/staging/usbip/Makefile
+++ b/drivers/usb/usbip/Makefile
diff --git a/drivers/staging/usbip/README b/drivers/usb/usbip/README
index 41a2cf2..41a2cf2 100644
--- a/drivers/staging/usbip/README
+++ b/drivers/usb/usbip/README
diff --git a/drivers/staging/usbip/stub.h b/drivers/usb/usbip/stub.h
index 266e2b0c..266e2b0c 100644
--- a/drivers/staging/usbip/stub.h
+++ b/drivers/usb/usbip/stub.h
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index 51d0c71..fac20e0 100644
--- a/drivers/staging/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -26,33 +26,6 @@
 #include "stub.h"
 
 /*
- * Define device IDs here if you want to explicitly limit exportable devices.
- * In most cases, wildcard matching will be okay because driver binding can be
- * changed dynamically by a userland program.
- */
-static struct usb_device_id stub_table[] = {
-#if 0
-	/* just an example */
-	{ USB_DEVICE(0x05ac, 0x0301) },   /* Mac 1 button mouse */
-	{ USB_DEVICE(0x0430, 0x0009) },   /* Plat Home Keyboard */
-	{ USB_DEVICE(0x059b, 0x0001) },   /* Iomega USB Zip 100 */
-	{ USB_DEVICE(0x04b3, 0x4427) },   /* IBM USB CD-ROM */
-	{ USB_DEVICE(0x05a9, 0xa511) },   /* LifeView USB cam */
-	{ USB_DEVICE(0x55aa, 0x0201) },   /* Imation card reader */
-	{ USB_DEVICE(0x046d, 0x0870) },   /* Qcam Express(QV-30) */
-	{ USB_DEVICE(0x04bb, 0x0101) },   /* IO-DATA HD 120GB */
-	{ USB_DEVICE(0x04bb, 0x0904) },   /* IO-DATA USB-ET/TX */
-	{ USB_DEVICE(0x04bb, 0x0201) },   /* IO-DATA USB-ET/TX */
-	{ USB_DEVICE(0x08bb, 0x2702) },   /* ONKYO USB Speaker */
-	{ USB_DEVICE(0x046d, 0x08b2) },   /* Logicool Qcam 4000 Pro */
-#endif
-	/* magic for wild card */
-	{ .driver_info = 1 },
-	{ 0, }                                     /* Terminating entry */
-};
-MODULE_DEVICE_TABLE(usb, stub_table);
-
-/*
  * usbip_status shows the status of usbip-host as long as this driver is bound
  * to the target device.
  */
diff --git a/drivers/staging/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
index 44ab43f..44ab43f 100644
--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/usb/usbip/stub_main.c
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c
index 00e475c..00e475c 100644
--- a/drivers/staging/usbip/stub_rx.c
+++ b/drivers/usb/usbip/stub_rx.c
diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c
index dbcabc9..dbcabc9 100644
--- a/drivers/staging/usbip/stub_tx.c
+++ b/drivers/usb/usbip/stub_tx.c
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index facaaf0..facaaf0 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 4da3866..86b0847 100644
--- a/drivers/staging/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -29,7 +29,7 @@
 #include <linux/types.h>
 #include <linux/usb.h>
 #include <linux/wait.h>
-#include "uapi/usbip.h"
+#include <uapi/linux/usbip.h>
 
 #define USBIP_VERSION "1.0.0"
 
diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
index 64933b9..64933b9 100644
--- a/drivers/staging/usbip/usbip_event.c
+++ b/drivers/usb/usbip/usbip_event.c
diff --git a/drivers/staging/usbip/usbip_protocol.txt b/drivers/usb/usbip/usbip_protocol.txt
index 16b6fe2..16b6fe2 100644
--- a/drivers/staging/usbip/usbip_protocol.txt
+++ b/drivers/usb/usbip/usbip_protocol.txt
diff --git a/drivers/staging/usbip/vhci.h b/drivers/usb/usbip/vhci.h
index a863a98..a863a98 100644
--- a/drivers/staging/usbip/vhci.h
+++ b/drivers/usb/usbip/vhci.h
diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index c02374b..c02374b 100644
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
index 00e4a54..00e4a54 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index 211f43f..211f43f 100644
--- a/drivers/staging/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
diff --git a/drivers/staging/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c
index 409fd99..409fd99 100644
--- a/drivers/staging/usbip/vhci_tx.c
+++ b/drivers/usb/usbip/vhci_tx.c
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 3e2e4ed..e279015 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -2602,6 +2602,7 @@ static void wa_buf_in_cb(struct urb *urb)
 	dev = &wa->usb_iface->dev;
 	--(wa->active_buf_in_urbs);
 	active_buf_in_urbs = wa->active_buf_in_urbs;
+	rpipe = xfer->ep->hcpriv;
 
 	if (usb_pipeisoc(xfer->urb->pipe)) {
 		struct usb_iso_packet_descriptor *iso_frame_desc =
@@ -2659,7 +2660,6 @@ static void wa_buf_in_cb(struct urb *urb)
 			  resubmit_dti = (isoc_data_frame_count ==
 							urb_frame_count);
 		} else if (active_buf_in_urbs == 0) {
-			rpipe = xfer->ep->hcpriv;
 			dev_dbg(dev,
 				"xfer %p 0x%08X#%u: data in done (%zu bytes)\n",
 				xfer, wa_xfer_id(xfer), seg->index,
@@ -2685,7 +2685,6 @@ static void wa_buf_in_cb(struct urb *urb)
 		 */
 		resubmit_dti = wa->dti_state != WA_DTI_TRANSFER_RESULT_PENDING;
 		spin_lock_irqsave(&xfer->lock, flags);
-		rpipe = xfer->ep->hcpriv;
 		if (printk_ratelimit())
 			dev_err(dev, "xfer %p 0x%08X#%u: data in error %d\n",
 				xfer, wa_xfer_id(xfer), seg->index,
diff --git a/drivers/staging/usbip/uapi/usbip.h b/include/uapi/linux/usbip.h
index fa5db30..fa5db30 100644
--- a/drivers/staging/usbip/uapi/usbip.h
+++ b/include/uapi/linux/usbip.h
diff --git a/drivers/staging/usbip/userspace/.gitignore b/tools/usb/usbip/.gitignore
index 9aad9e3..9aad9e3 100644
--- a/drivers/staging/usbip/userspace/.gitignore
+++ b/tools/usb/usbip/.gitignore
diff --git a/drivers/staging/usbip/userspace/AUTHORS b/tools/usb/usbip/AUTHORS
index a27ea8d..a27ea8d 100644
--- a/drivers/staging/usbip/userspace/AUTHORS
+++ b/tools/usb/usbip/AUTHORS
diff --git a/drivers/staging/usbip/userspace/COPYING b/tools/usb/usbip/COPYING
index c5611e4..c5611e4 100644
--- a/drivers/staging/usbip/userspace/COPYING
+++ b/tools/usb/usbip/COPYING
diff --git a/drivers/staging/usbip/userspace/INSTALL b/tools/usb/usbip/INSTALL
index d3c5b40..d3c5b40 100644
--- a/drivers/staging/usbip/userspace/INSTALL
+++ b/tools/usb/usbip/INSTALL
diff --git a/drivers/staging/usbip/userspace/Makefile.am b/tools/usb/usbip/Makefile.am
index 66f8bf0..66f8bf0 100644
--- a/drivers/staging/usbip/userspace/Makefile.am
+++ b/tools/usb/usbip/Makefile.am
diff --git a/drivers/staging/usbip/userspace/README b/tools/usb/usbip/README
index 831f49f..831f49f 100644
--- a/drivers/staging/usbip/userspace/README
+++ b/tools/usb/usbip/README
diff --git a/drivers/staging/usbip/userspace/autogen.sh b/tools/usb/usbip/autogen.sh
index e1112d3..e1112d3 100755
--- a/drivers/staging/usbip/userspace/autogen.sh
+++ b/tools/usb/usbip/autogen.sh
diff --git a/drivers/staging/usbip/userspace/cleanup.sh b/tools/usb/usbip/cleanup.sh
index 955c3cc..955c3cc 100755
--- a/drivers/staging/usbip/userspace/cleanup.sh
+++ b/tools/usb/usbip/cleanup.sh
diff --git a/drivers/staging/usbip/userspace/configure.ac b/tools/usb/usbip/configure.ac
index 607d05c..607d05c 100644
--- a/drivers/staging/usbip/userspace/configure.ac
+++ b/tools/usb/usbip/configure.ac
diff --git a/drivers/staging/usbip/userspace/doc/usbip.8 b/tools/usb/usbip/doc/usbip.8
index a6097be..a6097be 100644
--- a/drivers/staging/usbip/userspace/doc/usbip.8
+++ b/tools/usb/usbip/doc/usbip.8
diff --git a/drivers/staging/usbip/userspace/doc/usbipd.8 b/tools/usb/usbip/doc/usbipd.8
index ac4635d..ac4635d 100644
--- a/drivers/staging/usbip/userspace/doc/usbipd.8
+++ b/tools/usb/usbip/doc/usbipd.8
diff --git a/drivers/staging/usbip/userspace/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am
index 7c8f8a4..7c8f8a4 100644
--- a/drivers/staging/usbip/userspace/libsrc/Makefile.am
+++ b/tools/usb/usbip/libsrc/Makefile.am
diff --git a/drivers/staging/usbip/userspace/libsrc/list.h b/tools/usb/usbip/libsrc/list.h
index 8d0c936..8d0c936 100644
--- a/drivers/staging/usbip/userspace/libsrc/list.h
+++ b/tools/usb/usbip/libsrc/list.h
diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/tools/usb/usbip/libsrc/names.c
index 81ff852..81ff852 100644
--- a/drivers/staging/usbip/userspace/libsrc/names.c
+++ b/tools/usb/usbip/libsrc/names.c
diff --git a/drivers/staging/usbip/userspace/libsrc/names.h b/tools/usb/usbip/libsrc/names.h
index 6809265..6809265 100644
--- a/drivers/staging/usbip/userspace/libsrc/names.h
+++ b/tools/usb/usbip/libsrc/names.h
diff --git a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.c b/tools/usb/usbip/libsrc/sysfs_utils.c
index 36ac88e..36ac88e 100644
--- a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.c
+++ b/tools/usb/usbip/libsrc/sysfs_utils.c
diff --git a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.h b/tools/usb/usbip/libsrc/sysfs_utils.h
index 32ac1d1..32ac1d1 100644
--- a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.h
+++ b/tools/usb/usbip/libsrc/sysfs_utils.h
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.c b/tools/usb/usbip/libsrc/usbip_common.c
index ac73710..ac73710 100644
--- a/drivers/staging/usbip/userspace/libsrc/usbip_common.c
+++ b/tools/usb/usbip/libsrc/usbip_common.c
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h
index 5a0e95e..5a0e95e 100644
--- a/drivers/staging/usbip/userspace/libsrc/usbip_common.h
+++ b/tools/usb/usbip/libsrc/usbip_common.h
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c b/tools/usb/usbip/libsrc/usbip_host_driver.c
index bef08d5..bef08d5 100644
--- a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c
+++ b/tools/usb/usbip/libsrc/usbip_host_driver.c
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h b/tools/usb/usbip/libsrc/usbip_host_driver.h
index 2a31f85..2a31f85 100644
--- a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h
+++ b/tools/usb/usbip/libsrc/usbip_host_driver.h
diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c
index ad92047..ad92047 100644
--- a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c
+++ b/tools/usb/usbip/libsrc/vhci_driver.c
diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.h b/tools/usb/usbip/libsrc/vhci_driver.h
index fa2316c..fa2316c 100644
--- a/drivers/staging/usbip/userspace/libsrc/vhci_driver.h
+++ b/tools/usb/usbip/libsrc/vhci_driver.h
diff --git a/drivers/staging/usbip/userspace/src/Makefile.am b/tools/usb/usbip/src/Makefile.am
index e81a4eb..e81a4eb 100644
--- a/drivers/staging/usbip/userspace/src/Makefile.am
+++ b/tools/usb/usbip/src/Makefile.am
diff --git a/drivers/staging/usbip/userspace/src/usbip.c b/tools/usb/usbip/src/usbip.c
index d7599d9..d7599d9 100644
--- a/drivers/staging/usbip/userspace/src/usbip.c
+++ b/tools/usb/usbip/src/usbip.c
diff --git a/drivers/staging/usbip/userspace/src/usbip.h b/tools/usb/usbip/src/usbip.h
index 84fe66a..84fe66a 100644
--- a/drivers/staging/usbip/userspace/src/usbip.h
+++ b/tools/usb/usbip/src/usbip.h
diff --git a/drivers/staging/usbip/userspace/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c
index d58a14d..d58a14d 100644
--- a/drivers/staging/usbip/userspace/src/usbip_attach.c
+++ b/tools/usb/usbip/src/usbip_attach.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_bind.c b/tools/usb/usbip/src/usbip_bind.c
index fa46141..fa46141 100644
--- a/drivers/staging/usbip/userspace/src/usbip_bind.c
+++ b/tools/usb/usbip/src/usbip_bind.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c
index 05c6d15..05c6d15 100644
--- a/drivers/staging/usbip/userspace/src/usbip_detach.c
+++ b/tools/usb/usbip/src/usbip_detach.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c
index d5ce34a..d5ce34a 100644
--- a/drivers/staging/usbip/userspace/src/usbip_list.c
+++ b/tools/usb/usbip/src/usbip_list.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_network.c b/tools/usb/usbip/src/usbip_network.c
index b4c37e7..b4c37e7 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.c
+++ b/tools/usb/usbip/src/usbip_network.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_network.h b/tools/usb/usbip/src/usbip_network.h
index c1e875c..c1e875c 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.h
+++ b/tools/usb/usbip/src/usbip_network.h
diff --git a/drivers/staging/usbip/userspace/src/usbip_port.c b/tools/usb/usbip/src/usbip_port.c
index a2e884fd..a2e884fd 100644
--- a/drivers/staging/usbip/userspace/src/usbip_port.c
+++ b/tools/usb/usbip/src/usbip_port.c
diff --git a/drivers/staging/usbip/userspace/src/usbip_unbind.c b/tools/usb/usbip/src/usbip_unbind.c
index a4a496c..a4a496c 100644
--- a/drivers/staging/usbip/userspace/src/usbip_unbind.c
+++ b/tools/usb/usbip/src/usbip_unbind.c
diff --git a/drivers/staging/usbip/userspace/src/usbipd.c b/tools/usb/usbip/src/usbipd.c
index 2f87f2d..2f87f2d 100644
--- a/drivers/staging/usbip/userspace/src/usbipd.c
+++ b/tools/usb/usbip/src/usbipd.c
diff --git a/drivers/staging/usbip/userspace/src/utils.c b/tools/usb/usbip/src/utils.c
index 2b3d6d2..2b3d6d2 100644
--- a/drivers/staging/usbip/userspace/src/utils.c
+++ b/tools/usb/usbip/src/utils.c
diff --git a/drivers/staging/usbip/userspace/src/utils.h b/tools/usb/usbip/src/utils.h
index 5916fd3..5916fd3 100644
--- a/drivers/staging/usbip/userspace/src/utils.h
+++ b/tools/usb/usbip/src/utils.h