Merge tag 'usb-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB fixes for 3.15-rc3.  The majority are gadget
  fixes, as we didn't get any of those in for 3.15-rc2.  The others are
  all over the place, and there's a number of new device id addtions as
  well."

* tag 'usb-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (35 commits)
  usb: option: add and update a number of CMOTech devices
  usb: option: add Alcatel L800MA
  usb: option: add Olivetti Olicard 500
  usb: qcserial: add Sierra Wireless MC7305/MC7355
  usb: qcserial: add Sierra Wireless MC73xx
  usb: qcserial: add Sierra Wireless EM7355
  USB: io_ti: fix firmware download on big-endian machines
  usb/xhci: fix compilation warning when !CONFIG_PCI && !CONFIG_PM
  xhci: extend quirk for Renesas cards
  xhci: Switch Intel Lynx Point ports to EHCI on shutdown.
  usb: xhci: Prefer endpoint context dequeue pointer over stopped_trb
  phy: core: make NULL a valid phy reference if !CONFIG_GENERIC_PHY
  phy: fix kernel oops in phy_lookup()
  phy: restore OMAP_CONTROL_PHY dependencies
  phy: exynos: fix building as a module
  USB: serial: fix sysfs-attribute removal deadlock
  usb: wusbcore: fix panic in wusbhc_chid_set
  usb: wusbcore: convert nested lock to use spin_lock instead of spin_lock_irq
  uwb: don't call spin_unlock_irq in a USB completion handler
  usb: chipidea: coordinate usb phy initialization for different phy type
  ...

29 files changed, 304 insertions, 162 deletions

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 3bb05f17b9b4..4906c27fa3bd 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -33,6 +33,7 @@ config PHY_MVEBU_SATA
 
 config OMAP_CONTROL_PHY
 	tristate "OMAP CONTROL PHY Driver"
+	depends on ARCH_OMAP2PLUS || COMPILE_TEST
 	help
 	  Enable this to add support for the PHY part present in the control
 	  module. This driver has API to power on the USB2 PHY and to write to
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 2faf78edc864..7728518572a4 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -13,8 +13,9 @@ obj-$(CONFIG_TI_PIPE3)			+= phy-ti-pipe3.o
 obj-$(CONFIG_TWL4030_USB)		+= phy-twl4030-usb.o
 obj-$(CONFIG_PHY_EXYNOS5250_SATA)	+= phy-exynos5250-sata.o
 obj-$(CONFIG_PHY_SUN4I_USB)		+= phy-sun4i-usb.o
-obj-$(CONFIG_PHY_SAMSUNG_USB2)		+= phy-samsung-usb2.o
-obj-$(CONFIG_PHY_EXYNOS4210_USB2)	+= phy-exynos4210-usb2.o
-obj-$(CONFIG_PHY_EXYNOS4X12_USB2)	+= phy-exynos4x12-usb2.o
-obj-$(CONFIG_PHY_EXYNOS5250_USB2)	+= phy-exynos5250-usb2.o
+obj-$(CONFIG_PHY_SAMSUNG_USB2)		+= phy-exynos-usb2.o
+phy-exynos-usb2-y			+= phy-samsung-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2)	+= phy-exynos4210-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4X12_USB2)	+= phy-exynos4x12-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS5250_USB2)	+= phy-exynos5250-usb2.o
 obj-$(CONFIG_PHY_XGENE)			+= phy-xgene.o
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 623b71c54b3e..c64a2f3b2d62 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -64,6 +64,9 @@ static struct phy *phy_lookup(struct device *device, const char *port)
 	class_dev_iter_init(&iter, phy_class, NULL, NULL);
 	while ((dev = class_dev_iter_next(&iter))) {
 		phy = to_phy(dev);
+
+		if (!phy->init_data)
+			continue;
 		count = phy->init_data->num_consumers;
 		consumers = phy->init_data->consumers;
 		while (count--) {
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index ca6831c5b763..1cd5d0ba587c 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -277,6 +277,39 @@ static void hw_phymode_configure(struct ci_hdrc *ci)
 }
 
 /**
+ * ci_usb_phy_init: initialize phy according to different phy type
+ * @ci: the controller
+  *
+ * This function returns an error code if usb_phy_init has failed
+ */
+static int ci_usb_phy_init(struct ci_hdrc *ci)
+{
+	int ret;
+
+	switch (ci->platdata->phy_mode) {
+	case USBPHY_INTERFACE_MODE_UTMI:
+	case USBPHY_INTERFACE_MODE_UTMIW:
+	case USBPHY_INTERFACE_MODE_HSIC:
+		ret = usb_phy_init(ci->transceiver);
+		if (ret)
+			return ret;
+		hw_phymode_configure(ci);
+		break;
+	case USBPHY_INTERFACE_MODE_ULPI:
+	case USBPHY_INTERFACE_MODE_SERIAL:
+		hw_phymode_configure(ci);
+		ret = usb_phy_init(ci->transceiver);
+		if (ret)
+			return ret;
+		break;
+	default:
+		ret = usb_phy_init(ci->transceiver);
+	}
+
+	return ret;
+}
+
+/**
  * hw_device_reset: resets chip (execute without interruption)
  * @ci: the controller
   *
@@ -543,8 +576,6 @@ static int ci_hdrc_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	hw_phymode_configure(ci);
-
 	if (ci->platdata->phy)
 		ci->transceiver = ci->platdata->phy;
 	else
@@ -564,7 +595,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
 		return -EPROBE_DEFER;
 	}
 
-	ret = usb_phy_init(ci->transceiver);
+	ret = ci_usb_phy_init(ci);
 	if (ret) {
 		dev_err(dev, "unable to init phy: %d\n", ret);
 		return ret;
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index d001417e8e37..10aaaae9af25 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -821,6 +821,7 @@ static void dwc3_complete(struct device *dev)
 
 	spin_lock_irqsave(&dwc->lock, flags);
 
+	dwc3_event_buffers_setup(dwc);
 	switch (dwc->dr_mode) {
 	case USB_DR_MODE_PERIPHERAL:
 	case USB_DR_MODE_OTG:
@@ -828,7 +829,6 @@ static void dwc3_complete(struct device *dev)
 		/* FALLTHROUGH */
 	case USB_DR_MODE_HOST:
 	default:
-		dwc3_event_buffers_setup(dwc);
 		break;
 	}
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index a740eac74d56..70715eeededd 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -187,15 +187,12 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
 	 * improve this algorithm so that we better use the internal
 	 * FIFO space
 	 */
-	for (num = 0; num < DWC3_ENDPOINTS_NUM; num++) {
-		struct dwc3_ep	*dep = dwc->eps[num];
-		int		fifo_number = dep->number >> 1;
+	for (num = 0; num < dwc->num_in_eps; num++) {
+		/* bit0 indicates direction; 1 means IN ep */
+		struct dwc3_ep	*dep = dwc->eps[(num << 1) | 1];
 		int		mult = 1;
 		int		tmp;
 
-		if (!(dep->number & 1))
-			continue;
-
 		if (!(dep->flags & DWC3_EP_ENABLED))
 			continue;
 
@@ -224,8 +221,7 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
 		dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n",
 				dep->name, last_fifo_depth, fifo_size & 0xffff);
 
-		dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(fifo_number),
-				fifo_size);
+		dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size);
 
 		last_fifo_depth += (fifo_size & 0xffff);
 	}
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 2e164dca08e8..1e12b3ee56fd 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -745,6 +745,12 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 		 */
 		struct usb_gadget *gadget = epfile->ffs->gadget;
 
+		spin_lock_irq(&epfile->ffs->eps_lock);
+		/* In the meantime, endpoint got disabled or changed. */
+		if (epfile->ep != ep) {
+			spin_unlock_irq(&epfile->ffs->eps_lock);
+			return -ESHUTDOWN;
+		}
 		/*
 		 * Controller may require buffer size to be aligned to
 		 * maxpacketsize of an out endpoint.
@@ -752,6 +758,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 		data_len = io_data->read ?
 			   usb_ep_align_maybe(gadget, ep->ep, io_data->len) :
 			   io_data->len;
+		spin_unlock_irq(&epfile->ffs->eps_lock);
 
 		data = kmalloc(data_len, GFP_KERNEL);
 		if (unlikely(!data))
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index c11761ce5113..9a4f49dc6ac4 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -377,7 +377,7 @@ static struct sk_buff *rndis_add_header(struct gether *port,
 	if (skb2)
 		rndis_add_hdr(skb2);
 
-	dev_kfree_skb_any(skb);
+	dev_kfree_skb(skb);
 	return skb2;
 }
 
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 15960af0f67e..a2f26cdb56fe 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on)
 	struct fsl_udc *udc;
 
 	udc = container_of(gadget, struct fsl_udc, gadget);
+
+	if (!udc->vbus_active)
+		return -EOPNOTSUPP;
+
 	udc->softconnect = (is_on != 0);
 	if (can_pullup(udc))
 		fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -2532,8 +2536,8 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
 	if (!udc_controller)
 		return -ENODEV;
 
-	usb_del_gadget_udc(&udc_controller->gadget);
 	udc_controller->done = &done;
+	usb_del_gadget_udc(&udc_controller->gadget);
 
 	fsl_udc_clk_release();
 
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index b5be6f0308c2..a925d0cbcd41 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -2043,6 +2043,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
 		return -ESRCH;
 
 	/* fake probe to determine $CHIP */
+	CHIP = NULL;
 	usb_gadget_probe_driver(&probe_driver);
 	if (!CHIP)
 		return -ENODEV;
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index d822d822efb3..7ed452d90f4d 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -35,6 +35,7 @@
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
 
+#include "u_rndis.h"
 
 #undef	VERBOSE_DEBUG
 
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 50d09c289137..b7d4f82872b7 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -48,8 +48,6 @@
 
 #define UETH__VERSION	"29-May-2008"
 
-#define GETHER_NAPI_WEIGHT	32
-
 struct eth_dev {
 	/* lock is held while accessing port_usb
 	 */
@@ -74,7 +72,6 @@ struct eth_dev {
 						struct sk_buff_head *list);
 
 	struct work_struct	work;
-	struct napi_struct	rx_napi;
 
 	unsigned long		todo;
 #define	WORK_RX_MEMORY		0
@@ -256,16 +253,18 @@ enomem:
 		DBG(dev, "rx submit --> %d\n", retval);
 		if (skb)
 			dev_kfree_skb_any(skb);
+		spin_lock_irqsave(&dev->req_lock, flags);
+		list_add(&req->list, &dev->rx_reqs);
+		spin_unlock_irqrestore(&dev->req_lock, flags);
 	}
 	return retval;
 }
 
 static void rx_complete(struct usb_ep *ep, struct usb_request *req)
 {
-	struct sk_buff	*skb = req->context;
+	struct sk_buff	*skb = req->context, *skb2;
 	struct eth_dev	*dev = ep->driver_data;
 	int		status = req->status;
-	bool		rx_queue = 0;
 
 	switch (status) {
 
@@ -289,8 +288,30 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req)
 		} else {
 			skb_queue_tail(&dev->rx_frames, skb);
 		}
-		if (!status)
-			rx_queue = 1;
+		skb = NULL;
+
+		skb2 = skb_dequeue(&dev->rx_frames);
+		while (skb2) {
+			if (status < 0
+					|| ETH_HLEN > skb2->len
+					|| skb2->len > VLAN_ETH_FRAME_LEN) {
+				dev->net->stats.rx_errors++;
+				dev->net->stats.rx_length_errors++;
+				DBG(dev, "rx length %d\n", skb2->len);
+				dev_kfree_skb_any(skb2);
+				goto next_frame;
+			}
+			skb2->protocol = eth_type_trans(skb2, dev->net);
+			dev->net->stats.rx_packets++;
+			dev->net->stats.rx_bytes += skb2->len;
+
+			/* no buffer copies needed, unless hardware can't
+			 * use skb buffers.
+			 */
+			status = netif_rx(skb2);
+next_frame:
+			skb2 = skb_dequeue(&dev->rx_frames);
+		}
 		break;
 
 	/* software-driven interface shutdown */
@@ -313,20 +334,22 @@ quiesce:
 		/* FALLTHROUGH */
 
 	default:
-		rx_queue = 1;
-		dev_kfree_skb_any(skb);
 		dev->net->stats.rx_errors++;
 		DBG(dev, "rx status %d\n", status);
 		break;
 	}
 
+	if (skb)
+		dev_kfree_skb_any(skb);
+	if (!netif_running(dev->net)) {
 clean:
 		spin_lock(&dev->req_lock);
 		list_add(&req->list, &dev->rx_reqs);
 		spin_unlock(&dev->req_lock);
-
-	if (rx_queue && likely(napi_schedule_prep(&dev->rx_napi)))
-		__napi_schedule(&dev->rx_napi);
+		req = NULL;
+	}
+	if (req)
+		rx_submit(dev, req, GFP_ATOMIC);
 }
 
 static int prealloc(struct list_head *list, struct usb_ep *ep, unsigned n)
@@ -391,24 +414,16 @@ static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
 {
 	struct usb_request	*req;
 	unsigned long		flags;
-	int			rx_counts = 0;
 
 	/* fill unused rxq slots with some skb */
 	spin_lock_irqsave(&dev->req_lock, flags);
 	while (!list_empty(&dev->rx_reqs)) {
-
-		if (++rx_counts > qlen(dev->gadget, dev->qmult))
-			break;
-
 		req = container_of(dev->rx_reqs.next,
 				struct usb_request, list);
 		list_del_init(&req->list);
 		spin_unlock_irqrestore(&dev->req_lock, flags);
 
 		if (rx_submit(dev, req, gfp_flags) < 0) {
-			spin_lock_irqsave(&dev->req_lock, flags);
-			list_add(&req->list, &dev->rx_reqs);
-			spin_unlock_irqrestore(&dev->req_lock, flags);
 			defer_kevent(dev, WORK_RX_MEMORY);
 			return;
 		}
@@ -418,41 +433,6 @@ static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
 	spin_unlock_irqrestore(&dev->req_lock, flags);
 }
 
-static int gether_poll(struct napi_struct *napi, int budget)
-{
-	struct eth_dev  *dev = container_of(napi, struct eth_dev, rx_napi);
-	struct sk_buff	*skb;
-	unsigned int	work_done = 0;
-	int		status = 0;
-
-	while ((skb = skb_dequeue(&dev->rx_frames))) {
-		if (status < 0
-				|| ETH_HLEN > skb->len
-				|| skb->len > VLAN_ETH_FRAME_LEN) {
-			dev->net->stats.rx_errors++;
-			dev->net->stats.rx_length_errors++;
-			DBG(dev, "rx length %d\n", skb->len);
-			dev_kfree_skb_any(skb);
-			continue;
-		}
-		skb->protocol = eth_type_trans(skb, dev->net);
-		dev->net->stats.rx_packets++;
-		dev->net->stats.rx_bytes += skb->len;
-
-		status = netif_rx_ni(skb);
-	}
-
-	if (netif_running(dev->net)) {
-		rx_fill(dev, GFP_KERNEL);
-		work_done++;
-	}
-
-	if (work_done < budget)
-		napi_complete(&dev->rx_napi);
-
-	return work_done;
-}
-
 static void eth_work(struct work_struct *work)
 {
 	struct eth_dev	*dev = container_of(work, struct eth_dev, work);
@@ -645,7 +625,6 @@ static void eth_start(struct eth_dev *dev, gfp_t gfp_flags)
 	/* and open the tx floodgates */
 	atomic_set(&dev->tx_qlen, 0);
 	netif_wake_queue(dev->net);
-	napi_enable(&dev->rx_napi);
 }
 
 static int eth_open(struct net_device *net)
@@ -672,7 +651,6 @@ static int eth_stop(struct net_device *net)
 	unsigned long	flags;
 
 	VDBG(dev, "%s\n", __func__);
-	napi_disable(&dev->rx_napi);
 	netif_stop_queue(net);
 
 	DBG(dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld\n",
@@ -790,7 +768,6 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g,
 		return ERR_PTR(-ENOMEM);
 
 	dev = netdev_priv(net);
-	netif_napi_add(net, &dev->rx_napi, gether_poll, GETHER_NAPI_WEIGHT);
 	spin_lock_init(&dev->lock);
 	spin_lock_init(&dev->req_lock);
 	INIT_WORK(&dev->work, eth_work);
@@ -853,7 +830,6 @@ struct net_device *gether_setup_name_default(const char *netname)
 		return ERR_PTR(-ENOMEM);
 
 	dev = netdev_priv(net);
-	netif_napi_add(net, &dev->rx_napi, gether_poll, GETHER_NAPI_WEIGHT);
 	spin_lock_init(&dev->lock);
 	spin_lock_init(&dev->req_lock);
 	INIT_WORK(&dev->work, eth_work);
@@ -1137,7 +1113,6 @@ void gether_disconnect(struct gether *link)
 {
 	struct eth_dev		*dev = link->ioport;
 	struct usb_request	*req;
-	struct sk_buff		*skb;
 
 	WARN_ON(!dev);
 	if (!dev)
@@ -1164,12 +1139,6 @@ void gether_disconnect(struct gether *link)
 		spin_lock(&dev->req_lock);
 	}
 	spin_unlock(&dev->req_lock);
-
-	spin_lock(&dev->rx_frames.lock);
-	while ((skb = __skb_dequeue(&dev->rx_frames)))
-		dev_kfree_skb_any(skb);
-	spin_unlock(&dev->rx_frames.lock);
-
 	link->in_ep->driver_data = NULL;
 	link->in_ep->desc = NULL;
 
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 9f170c53e3d9..134f354ede62 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -300,7 +300,7 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
 	ss_opts->isoc_interval = gzero_options.isoc_interval;
 	ss_opts->isoc_maxpacket = gzero_options.isoc_maxpacket;
 	ss_opts->isoc_mult = gzero_options.isoc_mult;
-	ss_opts->isoc_maxburst = gzero_options.isoc_maxpacket;
+	ss_opts->isoc_maxburst = gzero_options.isoc_maxburst;
 	ss_opts->bulk_buflen = gzero_options.bulk_buflen;
 
 	func_ss = usb_get_function(func_inst_ss);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 47390e369cd4..35d447780707 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -134,6 +134,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		 */
 		if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
 			xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
+
+		xhci->quirks |= XHCI_SPURIOUS_REBOOT;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
 			pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
@@ -143,9 +145,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
-			pdev->device == 0x0015 &&
-			pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG &&
-			pdev->subsystem_device == 0xc0cd)
+			pdev->device == 0x0015)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 	if (pdev->vendor == PCI_VENDOR_ID_VIA)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5f926bea5ab1..7a0e3c720c00 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -550,6 +550,7 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 	struct xhci_ring *ep_ring;
 	struct xhci_generic_trb *trb;
 	dma_addr_t addr;
+	u64 hw_dequeue;
 
 	ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
 			ep_index, stream_id);
@@ -559,16 +560,6 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 				stream_id);
 		return;
 	}
-	state->new_cycle_state = 0;
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"Finding segment containing stopped TRB.");
-	state->new_deq_seg = find_trb_seg(cur_td->start_seg,
-			dev->eps[ep_index].stopped_trb,
-			&state->new_cycle_state);
-	if (!state->new_deq_seg) {
-		WARN_ON(1);
-		return;
-	}
 
 	/* Dig out the cycle state saved by the xHC during the stop ep cmd */
 	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
@@ -577,46 +568,57 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 	if (ep->ep_state & EP_HAS_STREAMS) {
 		struct xhci_stream_ctx *ctx =
 			&ep->stream_info->stream_ctx_array[stream_id];
-		state->new_cycle_state = 0x1 & le64_to_cpu(ctx->stream_ring);
+		hw_dequeue = le64_to_cpu(ctx->stream_ring);
 	} else {
 		struct xhci_ep_ctx *ep_ctx
 			= xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
-		state->new_cycle_state = 0x1 & le64_to_cpu(ep_ctx->deq);
+		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;
+		}
+	}
+	/*
+	 * 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.
+	 */
+	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;
+
 	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);
+			state->new_deq_ptr, &state->new_cycle_state);
 	if (!state->new_deq_seg) {
 		WARN_ON(1);
 		return;
 	}
 
+	/* 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);
 
-	/*
-	 * If there is only one segment in a ring, find_trb_seg()'s while loop
-	 * will not run, and it will return before it has a chance to see if it
-	 * needs to toggle the cycle bit.  It can't tell if the stalled transfer
-	 * ended just before the link TRB on a one-segment ring, or if the TD
-	 * wrapped around the top of the ring, because it doesn't have the TD in
-	 * question.  Look for the one-segment case where stalled TRB's address
-	 * is greater than the new dequeue pointer address.
-	 */
-	if (ep_ring->first_seg == ep_ring->first_seg->next &&
-			state->new_deq_ptr < dev->eps[ep_index].stopped_trb)
-		state->new_cycle_state ^= 0x1;
+	/* Don't update the ring cycle state for the producer (us). */
 	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
 			"Cycle state = 0x%x", state->new_cycle_state);
 
-	/* Don't update the ring cycle state for the producer (us). */
 	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
 			"New dequeue segment = %p (virtual)",
 			state->new_deq_seg);
@@ -799,7 +801,6 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
 	if (list_empty(&ep->cancelled_td_list)) {
 		xhci_stop_watchdog_timer_in_irq(xhci, ep);
 		ep->stopped_td = NULL;
-		ep->stopped_trb = NULL;
 		ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
 		return;
 	}
@@ -867,11 +868,9 @@ remove_finished_td:
 		ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
 	}
 
-	/* Clear stopped_td and stopped_trb if endpoint is not halted */
-	if (!(ep->ep_state & EP_HALTED)) {
+	/* Clear stopped_td if endpoint is not halted */
+	if (!(ep->ep_state & EP_HALTED))
 		ep->stopped_td = NULL;
-		ep->stopped_trb = NULL;
-	}
 
 	/*
 	 * Drop the lock and complete the URBs in the cancelled TD list.
@@ -1941,14 +1940,12 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
 	struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
 	ep->ep_state |= EP_HALTED;
 	ep->stopped_td = td;
-	ep->stopped_trb = event_trb;
 	ep->stopped_stream = stream_id;
 
 	xhci_queue_reset_ep(xhci, slot_id, ep_index);
 	xhci_cleanup_stalled_ring(xhci, td->urb->dev, ep_index);
 
 	ep->stopped_td = NULL;
-	ep->stopped_trb = NULL;
 	ep->stopped_stream = 0;
 
 	xhci_ring_cmd_db(xhci);
@@ -2030,7 +2027,6 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
 		 * the ring dequeue pointer or take this TD off any lists yet.
 		 */
 		ep->stopped_td = td;
-		ep->stopped_trb = event_trb;
 		return 0;
 	} else {
 		if (trb_comp_code == COMP_STALL) {
@@ -2042,7 +2038,6 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
 			 * USB class driver clear the stall later.
 			 */
 			ep->stopped_td = td;
-			ep->stopped_trb = event_trb;
 			ep->stopped_stream = ep_ring->stream_id;
 		} else if (xhci_requires_manual_halt_cleanup(xhci,
 					ep_ctx, trb_comp_code)) {
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8fe4e124ddd4..300836972faa 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -408,16 +408,16 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
 
 #else
 
-static int xhci_try_enable_msi(struct usb_hcd *hcd)
+static inline int xhci_try_enable_msi(struct usb_hcd *hcd)
 {
 	return 0;
 }
 
-static void xhci_cleanup_msix(struct xhci_hcd *xhci)
+static inline void xhci_cleanup_msix(struct xhci_hcd *xhci)
 {
 }
 
-static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+static inline void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
 {
 }
 
@@ -2954,7 +2954,6 @@ void xhci_endpoint_reset(struct usb_hcd *hcd,
 		xhci_ring_cmd_db(xhci);
 	}
 	virt_ep->stopped_td = NULL;
-	virt_ep->stopped_trb = NULL;
 	virt_ep->stopped_stream = 0;
 	spin_unlock_irqrestore(&xhci->lock, flags);
 
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d280e9213d08..4746816aed3e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -865,8 +865,6 @@ struct xhci_virt_ep {
 #define EP_GETTING_NO_STREAMS	(1 << 5)
 	/* ----  Related to URB cancellation ---- */
 	struct list_head	cancelled_td_list;
-	/* The TRB that was last reported in a stopped endpoint ring */
-	union xhci_trb		*stopped_trb;
 	struct xhci_td		*stopped_td;
 	unsigned int		stopped_stream;
 	/* Watchdog timer for stop endpoint command to cancel URBs */
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 3372ded5def7..e2fd263585de 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -470,8 +470,9 @@ static int dsps_musb_exit(struct musb *musb)
 	struct dsps_glue *glue = dev_get_drvdata(dev->parent);
 
 	del_timer_sync(&glue->timer);
-
 	usb_phy_shutdown(musb->xceiv);
+	debugfs_remove_recursive(glue->dbgfs_root);
+
 	return 0;
 }
 
@@ -708,8 +709,6 @@ static int dsps_remove(struct platform_device *pdev)
 	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
-	debugfs_remove_recursive(glue->dbgfs_root);
-
 	return 0;
 }
 
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index d341c149a2f9..d369bf1f3936 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -316,7 +316,13 @@ static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
 {
 	struct omap2430_glue *glue = container_of(mailbox_work,
 				struct omap2430_glue, omap_musb_mailbox_work);
+	struct musb *musb = glue_to_musb(glue);
+	struct device *dev = musb->controller;
+
+	pm_runtime_get_sync(dev);
 	omap_musb_set_mailbox(glue);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 }
 
 static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
@@ -416,6 +422,7 @@ static int omap2430_musb_init(struct musb *musb)
 		omap_musb_set_mailbox(glue);
 
 	phy_init(musb->phy);
+	phy_power_on(musb->phy);
 
 	pm_runtime_put_noidle(musb->controller);
 	return 0;
@@ -478,6 +485,7 @@ static int omap2430_musb_exit(struct musb *musb)
 	del_timer_sync(&musb_idle_timer);
 
 	omap2430_low_level_exit(musb);
+	phy_power_off(musb->phy);
 	phy_exit(musb->phy);
 
 	return 0;
diff --git a/drivers/usb/phy/phy-am335x-control.c b/drivers/usb/phy/phy-am335x-control.c
index d75196ad5f2f..35b6083b7999 100644
--- a/drivers/usb/phy/phy-am335x-control.c
+++ b/drivers/usb/phy/phy-am335x-control.c
@@ -3,6 +3,7 @@
 #include <linux/err.h>
 #include <linux/of.h>
 #include <linux/io.h>
+#include <linux/delay.h>
 #include "am35x-phy-control.h"
 
 struct am335x_control_usb {
@@ -86,6 +87,14 @@ static void am335x_phy_power(struct phy_control *phy_ctrl, u32 id, bool on)
 	}
 
 	writel(val, usb_ctrl->phy_reg + reg);
+
+	/*
+	 * Give the PHY ~1ms to complete the power up operation.
+	 * Tests have shown unstable behaviour if other USB PHY related
+	 * registers are written too shortly after such a transition.
+	 */
+	if (on)
+		mdelay(1);
 }
 
 static const struct phy_control ctrl_am335x = {
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 8afa813d690b..36b6bce33b20 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -132,6 +132,9 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type)
 	if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
 		pr_debug("PHY: unable to find transceiver of type %s\n",
 			usb_phy_type_string(type));
+		if (!IS_ERR(phy))
+			phy = ERR_PTR(-ENODEV);
+
 		goto err0;
 	}
 
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a2db5be9c305..df90dae53eb9 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -28,6 +28,7 @@
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
 #include <linux/serial.h>
+#include <linux/swab.h>
 #include <linux/kfifo.h>
 #include <linux/ioctl.h>
 #include <linux/firmware.h>
@@ -280,7 +281,7 @@ static int read_download_mem(struct usb_device *dev, int start_address,
 {
 	int status = 0;
 	__u8 read_length;
-	__be16 be_start_address;
+	u16 be_start_address;
 
 	dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, length);
 
@@ -296,10 +297,14 @@ static int read_download_mem(struct usb_device *dev, int start_address,
 		if (read_length > 1) {
 			dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, read_length);
 		}
-		be_start_address = cpu_to_be16(start_address);
+		/*
+		 * NOTE: Must use swab as wIndex is sent in little-endian
+		 *       byte order regardless of host byte order.
+		 */
+		be_start_address = swab16((u16)start_address);
 		status = ti_vread_sync(dev, UMPC_MEMORY_READ,
 					(__u16)address_type,
-					(__force __u16)be_start_address,
+					be_start_address,
 					buffer, read_length);
 
 		if (status) {
@@ -394,7 +399,7 @@ static int write_i2c_mem(struct edgeport_serial *serial,
 	struct device *dev = &serial->serial->dev->dev;
 	int status = 0;
 	int write_length;
-	__be16 be_start_address;
+	u16 be_start_address;
 
 	/* We can only send a maximum of 1 aligned byte page at a time */
 
@@ -409,11 +414,16 @@ static int write_i2c_mem(struct edgeport_serial *serial,
 		__func__, start_address, write_length);
 	usb_serial_debug_data(dev, __func__, write_length, buffer);
 
-	/* Write first page */
-	be_start_address = cpu_to_be16(start_address);
+	/*
+	 * Write first page.
+	 *
+	 * NOTE: Must use swab as wIndex is sent in little-endian byte order
+	 *       regardless of host byte order.
+	 */
+	be_start_address = swab16((u16)start_address);
 	status = ti_vsend_sync(serial->serial->dev,
 				UMPC_MEMORY_WRITE, (__u16)address_type,
-				(__force __u16)be_start_address,
+				be_start_address,
 				buffer,	write_length);
 	if (status) {
 		dev_dbg(dev, "%s - ERROR %d\n", __func__, status);
@@ -436,11 +446,16 @@ static int write_i2c_mem(struct edgeport_serial *serial,
 			__func__, start_address, write_length);
 		usb_serial_debug_data(dev, __func__, write_length, buffer);
 
-		/* Write next page */
-		be_start_address = cpu_to_be16(start_address);
+		/*
+		 * Write next page.
+		 *
+		 * NOTE: Must use swab as wIndex is sent in little-endian byte
+		 *       order regardless of host byte order.
+		 */
+		be_start_address = swab16((u16)start_address);
 		status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE,
 				(__u16)address_type,
-				(__force __u16)be_start_address,
+				be_start_address,
 				buffer, write_length);
 		if (status) {
 			dev_err(dev, "%s - ERROR %d\n", __func__, status);
@@ -585,8 +600,8 @@ static int get_descriptor_addr(struct edgeport_serial *serial,
 		if (rom_desc->Type == desc_type)
 			return start_address;
 
-		start_address = start_address + sizeof(struct ti_i2c_desc)
-							+ rom_desc->Size;
+		start_address = start_address + sizeof(struct ti_i2c_desc) +
+						le16_to_cpu(rom_desc->Size);
 
 	} while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type);
 
@@ -599,7 +614,7 @@ static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer)
 	__u16 i;
 	__u8 cs = 0;
 
-	for (i = 0; i < rom_desc->Size; i++)
+	for (i = 0; i < le16_to_cpu(rom_desc->Size); i++)
 		cs = (__u8)(cs + buffer[i]);
 
 	if (cs != rom_desc->CheckSum) {
@@ -650,7 +665,7 @@ static int check_i2c_image(struct edgeport_serial *serial)
 			break;
 
 		if ((start_address + sizeof(struct ti_i2c_desc) +
-					rom_desc->Size) > TI_MAX_I2C_SIZE) {
+			le16_to_cpu(rom_desc->Size)) > TI_MAX_I2C_SIZE) {
 			status = -ENODEV;
 			dev_dbg(dev, "%s - structure too big, erroring out.\n", __func__);
 			break;
@@ -665,7 +680,8 @@ static int check_i2c_image(struct edgeport_serial *serial)
 			/* Read the descriptor data */
 			status = read_rom(serial, start_address +
 						sizeof(struct ti_i2c_desc),
-						rom_desc->Size, buffer);
+						le16_to_cpu(rom_desc->Size),
+						buffer);
 			if (status)
 				break;
 
@@ -674,7 +690,7 @@ static int check_i2c_image(struct edgeport_serial *serial)
 				break;
 		}
 		start_address = start_address + sizeof(struct ti_i2c_desc) +
-								rom_desc->Size;
+						le16_to_cpu(rom_desc->Size);
 
 	} while ((rom_desc->Type != I2C_DESC_TYPE_ION) &&
 				(start_address < TI_MAX_I2C_SIZE));
@@ -712,7 +728,7 @@ static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer)
 
 	/* Read the descriptor data */
 	status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc),
-						rom_desc->Size, buffer);
+					le16_to_cpu(rom_desc->Size), buffer);
 	if (status)
 		goto exit;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 367c7f08b27c..f213ee978516 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -234,8 +234,31 @@ static void option_instat_callback(struct urb *urb);
 #define QUALCOMM_VENDOR_ID			0x05C6
 
 #define CMOTECH_VENDOR_ID			0x16d8
-#define CMOTECH_PRODUCT_6008			0x6008
-#define CMOTECH_PRODUCT_6280			0x6280
+#define CMOTECH_PRODUCT_6001			0x6001
+#define CMOTECH_PRODUCT_CMU_300			0x6002
+#define CMOTECH_PRODUCT_6003			0x6003
+#define CMOTECH_PRODUCT_6004			0x6004
+#define CMOTECH_PRODUCT_6005			0x6005
+#define CMOTECH_PRODUCT_CGU_628A		0x6006
+#define CMOTECH_PRODUCT_CHE_628S		0x6007
+#define CMOTECH_PRODUCT_CMU_301			0x6008
+#define CMOTECH_PRODUCT_CHU_628			0x6280
+#define CMOTECH_PRODUCT_CHU_628S		0x6281
+#define CMOTECH_PRODUCT_CDU_680			0x6803
+#define CMOTECH_PRODUCT_CDU_685A		0x6804
+#define CMOTECH_PRODUCT_CHU_720S		0x7001
+#define CMOTECH_PRODUCT_7002			0x7002
+#define CMOTECH_PRODUCT_CHU_629K		0x7003
+#define CMOTECH_PRODUCT_7004			0x7004
+#define CMOTECH_PRODUCT_7005			0x7005
+#define CMOTECH_PRODUCT_CGU_629			0x7006
+#define CMOTECH_PRODUCT_CHU_629S		0x700a
+#define CMOTECH_PRODUCT_CHU_720I		0x7211
+#define CMOTECH_PRODUCT_7212			0x7212
+#define CMOTECH_PRODUCT_7213			0x7213
+#define CMOTECH_PRODUCT_7251			0x7251
+#define CMOTECH_PRODUCT_7252			0x7252
+#define CMOTECH_PRODUCT_7253			0x7253
 
 #define TELIT_VENDOR_ID				0x1bc7
 #define TELIT_PRODUCT_UC864E			0x1003
@@ -287,6 +310,7 @@ static void option_instat_callback(struct urb *urb);
 #define ALCATEL_PRODUCT_X060S_X200		0x0000
 #define ALCATEL_PRODUCT_X220_X500D		0x0017
 #define ALCATEL_PRODUCT_L100V			0x011e
+#define ALCATEL_PRODUCT_L800MA			0x0203
 
 #define PIRELLI_VENDOR_ID			0x1266
 #define PIRELLI_PRODUCT_C100_1			0x1002
@@ -349,6 +373,7 @@ static void option_instat_callback(struct urb *urb);
 #define OLIVETTI_PRODUCT_OLICARD100		0xc000
 #define OLIVETTI_PRODUCT_OLICARD145		0xc003
 #define OLIVETTI_PRODUCT_OLICARD200		0xc005
+#define OLIVETTI_PRODUCT_OLICARD500		0xc00b
 
 /* Celot products */
 #define CELOT_VENDOR_ID				0x211f
@@ -502,6 +527,10 @@ static const struct option_blacklist_info huawei_cdc12_blacklist = {
 	.reserved = BIT(1) | BIT(2),
 };
 
+static const struct option_blacklist_info net_intf0_blacklist = {
+	.reserved = BIT(0),
+};
+
 static const struct option_blacklist_info net_intf1_blacklist = {
 	.reserved = BIT(1),
 };
@@ -1035,8 +1064,47 @@ static const struct usb_device_id option_ids[] = {
 	{ 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 */
-	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
-	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6004) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6005) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_628A) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHE_628S),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_301),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628S) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_680) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_685A) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720S),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7002),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629K),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7004),
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7005) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_629),
+	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629S),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720I),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7212),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7213),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7251),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7252),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7253),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) },
@@ -1500,6 +1568,8 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L800MA),
+	  .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
 	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
@@ -1545,6 +1615,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
 		.driver_info = (kernel_ulong_t)&net_intf6_blacklist
 	},
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist
+	},
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 968a40201e5f..7ed681a714a5 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -136,9 +136,18 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)},	/* Sierra Wireless MC7710 Device Management */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)},	/* Sierra Wireless MC7710 NMEA */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)},	/* Sierra Wireless MC7710 Modem */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)},	/* Sierra Wireless MC73xx Device Management */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)},	/* Sierra Wireless MC73xx NMEA */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)},	/* Sierra Wireless MC73xx Modem */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)},	/* Sierra Wireless EM7700 Device Management */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)},	/* Sierra Wireless EM7700 NMEA */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)},	/* Sierra Wireless EM7700 Modem */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)},	/* Sierra Wireless EM7355 Device Management */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)},	/* Sierra Wireless EM7355 NMEA */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)},	/* Sierra Wireless EM7355 Modem */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)},	/* Sierra Wireless MC7305/MC7355 Device Management */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)},	/* Sierra Wireless MC7305/MC7355 NMEA */
+	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)},	/* Sierra Wireless MC7305/MC7355 Modem */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)},	/* Netgear AirCard 340U Device Management */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)},	/* Netgear AirCard 340U NMEA */
 	{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)},	/* Netgear AirCard 340U Modem */
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 81fc0dfcfdcf..6d40d56378d7 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1347,10 +1347,12 @@ static int usb_serial_register(struct usb_serial_driver *driver)
 static void usb_serial_deregister(struct usb_serial_driver *device)
 {
 	pr_info("USB Serial deregistering driver %s\n", device->description);
+
 	mutex_lock(&table_lock);
 	list_del(&device->driver_list);
-	usb_serial_bus_deregister(device);
 	mutex_unlock(&table_lock);
+
+	usb_serial_bus_deregister(device);
 }
 
 /**
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index 44741267c917..3f485df96226 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -301,7 +301,7 @@ int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
 
 	if (chid)
 		result = uwb_radio_start(&wusbhc->pal);
-	else
+	else if (wusbhc->uwb_rc)
 		uwb_radio_stop(&wusbhc->pal);
 
 	return result;
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index c8e2a47d62a7..3e2e4ed20157 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -2390,10 +2390,10 @@ error_complete:
 		done) {
 
 		dev_info(dev, "Control EP stall.  Queue delayed work.\n");
-		spin_lock_irq(&wa->xfer_list_lock);
+		spin_lock(&wa->xfer_list_lock);
 		/* move xfer from xfer_list to xfer_errored_list. */
 		list_move_tail(&xfer->list_node, &wa->xfer_errored_list);
-		spin_unlock_irq(&wa->xfer_list_lock);
+		spin_unlock(&wa->xfer_list_lock);
 		spin_unlock_irqrestore(&xfer->lock, flags);
 		queue_work(wusbd, &wa->xfer_error_work);
 	} else {
diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
index 1a2fd9795367..468c89fb6a16 100644
--- a/drivers/uwb/drp.c
+++ b/drivers/uwb/drp.c
@@ -59,6 +59,7 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
 				    struct uwb_rceb *reply, ssize_t reply_size)
 {
 	struct uwb_rc_evt_set_drp_ie *r = (struct uwb_rc_evt_set_drp_ie *)reply;
+	unsigned long flags;
 
 	if (r != NULL) {
 		if (r->bResultCode != UWB_RC_RES_SUCCESS)
@@ -67,14 +68,14 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
 	} else
 		dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n");
 
-	spin_lock_irq(&rc->rsvs_lock);
+	spin_lock_irqsave(&rc->rsvs_lock, flags);
 	if (rc->set_drp_ie_pending > 1) {
 		rc->set_drp_ie_pending = 0;
-		uwb_rsv_queue_update(rc);	
+		uwb_rsv_queue_update(rc);
 	} else {
-		rc->set_drp_ie_pending = 0;	
+		rc->set_drp_ie_pending = 0;
 	}
-	spin_unlock_irq(&rc->rsvs_lock);
+	spin_unlock_irqrestore(&rc->rsvs_lock, flags);
 }
 
 /**
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e2f5ca96cddc..2760744cb2a7 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -174,21 +174,29 @@ void devm_of_phy_provider_unregister(struct device *dev,
 #else
 static inline int phy_pm_runtime_get(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_pm_runtime_get_sync(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_pm_runtime_put(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_pm_runtime_put_sync(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
@@ -204,21 +212,29 @@ static inline void phy_pm_runtime_forbid(struct phy *phy)
 
 static inline int phy_init(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_exit(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_power_on(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }
 
 static inline int phy_power_off(struct phy *phy)
 {
+	if (!phy)
+		return 0;
 	return -ENOSYS;
 }