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

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (25 commits)
  USB: net: asix: add support for Cables-to-Go USB Ethernet adapter
  USB: gadget: cdc-acm deadlock fix
  USB: EHCI: fix divide-by-zero bug
  USB: EHCI: fix handling of dead controllers
  usb: r8a66597-hcd: fix wrong data access in SuperH on-chip USB
  ub: stub pre_reset and post_reset to fix oops
  USB: SISUSB2VGA driver: add 0x0711, 0x0903
  usb: unusual devs patch for Nokia 7610 Supernova
  USB: remove optional bus bindings in isp1760, fixing runtime warning
  + usb-serial-cp2101-add-enfora-gsm2228.patch added to -mm tree
  USB: storage: adjust comment in Kconfig
  USB: Fix PS3 USB shutdown problems
  USB: unusual_devs entry for Argosy USB mass-storage interface
  USB: cdc-acm.c: fix recursive lock in acm_start_wb error path
  USB: CP2101 Add device ID for AMB2560
  USB: mention URB_FREE_BUFFER in usb_free_urb documentation
  USB: Add YISO u893 usb modem vendor and product IDs to option driver
  usb: musb: fix BULK request on different available endpoints
  usb: musb: fix debug global variable name
  usb: musb: Removes compilation warning in gadget mode
  ...

drivers/block/ub.c

@@ -1546,8 +1546,6 @@ static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd)
 
 /*
  * Reset management
- * XXX Move usb_reset_device to khubd. Hogging kevent is not a good thing.
- * XXX Make usb_sync_reset asynchronous.
  */
 
 static void ub_reset_enter(struct ub_dev *sc, int try)
@@ -1632,6 +1630,22 @@ static void ub_reset_task(struct work_struct *work)
 	spin_unlock_irqrestore(sc->lock, flags);
 }
 
+/*
+ * XXX Reset brackets are too much hassle to implement, so just stub them
+ * in order to prevent forced unbinding (which deadlocks solid when our
+ * ->disconnect method waits for the reset to complete and this kills keventd).
+ *
+ * XXX Tell Alan to move usb_unlock_device inside of usb_reset_device,
+ * or else the post_reset is invoked, and restats I/O on a locked device.
+ */
+static int ub_pre_reset(struct usb_interface *iface) {
+	return 0;
+}
+
+static int ub_post_reset(struct usb_interface *iface) {
+	return 0;
+}
+
 /*
  * This is called from a process context.
  */
@@ -2446,6 +2460,8 @@ static struct usb_driver ub_driver = {
 	.probe =	ub_probe,
 	.disconnect =	ub_disconnect,
 	.id_table =	ub_usb_ids,
+	.pre_reset =	ub_pre_reset,
+	.post_reset =	ub_post_reset,
 };
 
 static int __init ub_init(void)

drivers/net/usb/asix.c

@@ -1444,6 +1444,10 @@ static const struct usb_device_id	products [] = {
 	// Apple USB Ethernet Adapter
 	USB_DEVICE(0x05ac, 0x1402),
 	.driver_info = (unsigned long) &ax88772_info,
+}, {
+	// Cables-to-Go USB Ethernet Adapter
+	USB_DEVICE(0x0b95, 0x772a),
+	.driver_info = (unsigned long) &ax88772_info,
 },
 	{ },		// END
 };

drivers/usb/class/cdc-acm.c

@@ -158,16 +158,12 @@ static int acm_wb_is_avail(struct acm *acm)
 }
 
 /*
- * Finish write.
+ * Finish write. Caller must hold acm->write_lock
  */
 static void acm_write_done(struct acm *acm, struct acm_wb *wb)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&acm->write_lock, flags);
 	wb->use = 0;
 	acm->transmitting--;
-	spin_unlock_irqrestore(&acm->write_lock, flags);
 }
 
 /*
@@ -482,6 +478,7 @@ static void acm_write_bulk(struct urb *urb)
 {
 	struct acm_wb *wb = urb->context;
 	struct acm *acm = wb->instance;
+	unsigned long flags;
 
 	if (verbose || urb->status
 			|| (urb->actual_length != urb->transfer_buffer_length))
@@ -490,7 +487,9 @@ static void acm_write_bulk(struct urb *urb)
 			urb->transfer_buffer_length,
 			urb->status);
 
+	spin_lock_irqsave(&acm->write_lock, flags);
 	acm_write_done(acm, wb);
+	spin_unlock_irqrestore(&acm->write_lock, flags);
 	if (ACM_READY(acm))
 		schedule_work(&acm->work);
 	else

drivers/usb/core/message.c

@@ -1091,6 +1091,7 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)
 				continue;
 			dev_dbg(&dev->dev, "unregistering interface %s\n",
 				dev_name(&interface->dev));
+			interface->unregistering = 1;
 			usb_remove_sysfs_intf_files(interface);
 			device_del(&interface->dev);
 		}

drivers/usb/core/sysfs.c

@@ -840,7 +840,7 @@ int usb_create_sysfs_intf_files(struct usb_interface *intf)
 	struct usb_host_interface *alt = intf->cur_altsetting;
 	int retval;
 
-	if (intf->sysfs_files_created)
+	if (intf->sysfs_files_created || intf->unregistering)
 		return 0;
 
 	/* The interface string may be present in some altsettings

drivers/usb/core/urb.c

@@ -85,8 +85,8 @@ EXPORT_SYMBOL_GPL(usb_alloc_urb);
  * Must be called when a user of a urb is finished with it.  When the last user
  * of the urb calls this function, the memory of the urb is freed.
  *
- * Note: The transfer buffer associated with the urb is not freed, that must be
- * done elsewhere.
+ * Note: The transfer buffer associated with the urb is not freed unless the
+ * URB_FREE_BUFFER transfer flag is set.
  */
 void usb_free_urb(struct urb *urb)
 {

drivers/usb/gadget/f_acm.c

@@ -463,7 +463,11 @@ static int acm_cdc_notify(struct f_acm *acm, u8 type, u16 value,
 	notify->wLength = cpu_to_le16(length);
 	memcpy(buf, data, length);
 
+	/* ep_queue() can complete immediately if it fills the fifo... */
+	spin_unlock(&acm->lock);
 	status = usb_ep_queue(ep, req, GFP_ATOMIC);
+	spin_lock(&acm->lock);
+
 	if (status < 0) {
 		ERROR(acm->port.func.config->cdev,
 				"acm ttyGS%d can't notify serial state, %d\n",

drivers/usb/host/Kconfig

@@ -110,29 +110,18 @@ config USB_ISP116X_HCD
 
 config USB_ISP1760_HCD
 	tristate "ISP 1760 HCD support"
-	depends on USB && EXPERIMENTAL
+	depends on USB && EXPERIMENTAL && (PCI || PPC_OF)
 	---help---
 	  The ISP1760 chip is a USB 2.0 host controller.
 
 	  This driver does not support isochronous transfers or OTG.
+	  This USB controller is usually attached to a non-DMA-Master
+	  capable bus. NXP's eval kit brings this chip on PCI card
+	  where the chip itself is behind a PLB to simulate such
+	  a bus.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called isp1760-hcd.
-
-config USB_ISP1760_PCI
-	bool "Support for the PCI bus"
-	depends on USB_ISP1760_HCD && PCI
-	---help---
-	  Enables support for the device present on the PCI bus.
-	  This should only be required if you happen to have the eval kit from
-	  NXP and you are going to test it.
-
-config USB_ISP1760_OF
-	bool "Support for the OF platform bus"
-	depends on USB_ISP1760_HCD && PPC_OF
-	---help---
-	  Enables support for the device present on the PowerPC
-	  OpenFirmware platform bus.
+	  module will be called isp1760.
 
 config USB_OHCI_HCD
 	tristate "OHCI HCD support"

drivers/usb/host/ehci-hcd.c

@@ -643,7 +643,7 @@ static int ehci_run (struct usb_hcd *hcd)
 static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
-	u32			status, pcd_status = 0, cmd;
+	u32			status, masked_status, pcd_status = 0, cmd;
 	int			bh;
 
 	spin_lock (&ehci->lock);
@@ -656,14 +656,14 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 		goto dead;
 	}
 
-	status &= INTR_MASK;
-	if (!status) {			/* irq sharing? */
+	masked_status = status & INTR_MASK;
+	if (!masked_status) {		/* irq sharing? */
 		spin_unlock(&ehci->lock);
 		return IRQ_NONE;
 	}
 
 	/* clear (just) interrupts */
-	ehci_writel(ehci, status, &ehci->regs->status);
+	ehci_writel(ehci, masked_status, &ehci->regs->status);
 	cmd = ehci_readl(ehci, &ehci->regs->command);
 	bh = 0;
 
@@ -734,18 +734,17 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 	/* PCI errors [4.15.2.4] */
 	if (unlikely ((status & STS_FATAL) != 0)) {
+		ehci_err(ehci, "fatal error\n");
 		dbg_cmd(ehci, "fatal", cmd);
 		dbg_status(ehci, "fatal", status);
-		if (status & STS_HALT) {
-			ehci_err (ehci, "fatal error\n");
+		ehci_halt(ehci);
 dead:
-			ehci_reset (ehci);
-			ehci_writel(ehci, 0, &ehci->regs->configured_flag);
-			/* generic layer kills/unlinks all urbs, then
-			 * uses ehci_stop to clean up the rest
-			 */
-			bh = 1;
-		}
+		ehci_reset(ehci);
+		ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+		/* generic layer kills/unlinks all urbs, then
+		 * uses ehci_stop to clean up the rest
+		 */
+		bh = 1;
 	}
 
 	if (bh)

drivers/usb/host/ehci-ps3.c

@@ -205,6 +205,7 @@ static int ps3_ehci_remove(struct ps3_system_bus_device *dev)
 
 	tmp = hcd->irq;
 
+	ehci_shutdown(hcd);
 	usb_remove_hcd(hcd);
 
 	ps3_system_bus_set_driver_data(dev, NULL);

drivers/usb/host/ehci-sched.c

@@ -918,7 +918,7 @@ iso_stream_init (
 		 */
 		stream->usecs = HS_USECS_ISO (maxp);
 		bandwidth = stream->usecs * 8;
-		bandwidth /= 1 << (interval - 1);
+		bandwidth /= interval;
 
 	} else {
 		u32		addr;
@@ -951,7 +951,7 @@ iso_stream_init (
 		} else
 			stream->raw_mask = smask_out [hs_transfers - 1];
 		bandwidth = stream->usecs + stream->c_usecs;
-		bandwidth /= 1 << (interval + 2);
+		bandwidth /= interval << 3;
 
 		/* stream->splits gets created from raw_mask later */
 		stream->address = cpu_to_hc32(ehci, addr);

drivers/usb/host/isp1760-if.c

@@ -14,16 +14,16 @@
 #include "../core/hcd.h"
 #include "isp1760-hcd.h"
 
-#ifdef CONFIG_USB_ISP1760_OF
+#ifdef CONFIG_PPC_OF
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #endif
 
-#ifdef CONFIG_USB_ISP1760_PCI
+#ifdef CONFIG_PCI
 #include <linux/pci.h>
 #endif
 
-#ifdef CONFIG_USB_ISP1760_OF
+#ifdef CONFIG_PPC_OF
 static int of_isp1760_probe(struct of_device *dev,
 		const struct of_device_id *match)
 {
@@ -128,7 +128,7 @@ static struct of_platform_driver isp1760_of_driver = {
 };
 #endif
 
-#ifdef CONFIG_USB_ISP1760_PCI
+#ifdef CONFIG_PCI
 static u32 nxp_pci_io_base;
 static u32 iolength;
 static u32 pci_mem_phy0;
@@ -288,28 +288,28 @@ static struct pci_driver isp1761_pci_driver = {
 
 static int __init isp1760_init(void)
 {
-	int ret = -ENODEV;
+	int ret;
 
 	init_kmem_once();
 
-#ifdef CONFIG_USB_ISP1760_OF
+#ifdef CONFIG_PPC_OF
 	ret = of_register_platform_driver(&isp1760_of_driver);
 	if (ret) {
 		deinit_kmem_cache();
 		return ret;
 	}
 #endif
-#ifdef CONFIG_USB_ISP1760_PCI
+#ifdef CONFIG_PCI
 	ret = pci_register_driver(&isp1761_pci_driver);
 	if (ret)
 		goto unreg_of;
 #endif
 	return ret;
 
-#ifdef CONFIG_USB_ISP1760_PCI
+#ifdef CONFIG_PCI
 unreg_of:
 #endif
-#ifdef CONFIG_USB_ISP1760_OF
+#ifdef CONFIG_PPC_OF
 	of_unregister_platform_driver(&isp1760_of_driver);
 #endif
 	deinit_kmem_cache();
@@ -319,10 +319,10 @@ module_init(isp1760_init);
 
 static void __exit isp1760_exit(void)
 {
-#ifdef CONFIG_USB_ISP1760_OF
+#ifdef CONFIG_PPC_OF
 	of_unregister_platform_driver(&isp1760_of_driver);
 #endif
-#ifdef CONFIG_USB_ISP1760_PCI
+#ifdef CONFIG_PCI
 	pci_unregister_driver(&isp1761_pci_driver);
 #endif
 	deinit_kmem_cache();

drivers/usb/host/ohci-ps3.c

@@ -192,7 +192,7 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev)
 	return result;
 }
 
-static int ps3_ohci_remove (struct ps3_system_bus_device *dev)
+static int ps3_ohci_remove(struct ps3_system_bus_device *dev)
 {
 	unsigned int tmp;
 	struct usb_hcd *hcd =
@@ -205,6 +205,7 @@ static int ps3_ohci_remove (struct ps3_system_bus_device *dev)
 
 	tmp = hcd->irq;
 
+	ohci_shutdown(hcd);
 	usb_remove_hcd(hcd);
 
 	ps3_system_bus_set_driver_data(dev, NULL);

drivers/usb/host/r8a66597-hcd.c

@@ -1763,11 +1763,12 @@ static void r8a66597_timer(unsigned long _r8a66597)
 {
 	struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
 	unsigned long flags;
+	int port;
 
 	spin_lock_irqsave(&r8a66597->lock, flags);
 
-	r8a66597_root_hub_control(r8a66597, 0);
-	r8a66597_root_hub_control(r8a66597, 1);
+	for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+		r8a66597_root_hub_control(r8a66597, port);
 
 	spin_unlock_irqrestore(&r8a66597->lock, flags);
 }

drivers/usb/misc/sisusbvga/sisusb.c

@@ -3270,6 +3270,7 @@ static struct usb_device_id sisusb_table [] = {
 	{ USB_DEVICE(0x0711, 0x0900) },
 	{ USB_DEVICE(0x0711, 0x0901) },
 	{ USB_DEVICE(0x0711, 0x0902) },
+	{ USB_DEVICE(0x0711, 0x0903) },
 	{ USB_DEVICE(0x0711, 0x0918) },
 	{ USB_DEVICE(0x182d, 0x021c) },
 	{ USB_DEVICE(0x182d, 0x0269) },

drivers/usb/misc/vstusb.c

@@ -620,7 +620,7 @@ static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				__func__);
 			retval = -EFAULT;
 		} else {
-			dev_dbg(&dev->dev, "%s: recv %d bytes from pipe %d\n",
+			dev_dbg(&dev->dev, "%s: recv %zd bytes from pipe %d\n",
 				__func__, usb_data.count, usb_data.pipe);
 		}
 

drivers/usb/musb/musb_core.c

@@ -114,8 +114,8 @@
 
 
 
-unsigned debug;
-module_param(debug, uint, S_IRUGO | S_IWUSR);
+unsigned musb_debug;
+module_param(musb_debug, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Debug message level. Default = 0");
 
 #define DRIVER_AUTHOR "Mentor Graphics, Texas Instruments, Nokia"
@@ -2248,7 +2248,7 @@ static int __init musb_init(void)
 		"host"
 #endif
 		", debug=%d\n",
-		musb_driver_name, debug);
+		musb_driver_name, musb_debug);
 	return platform_driver_probe(&musb_driver, musb_probe);
 }
 

drivers/usb/musb/musb_debug.h

@@ -48,11 +48,11 @@
 				__func__, __LINE__ , ## args); \
 	} } while (0)
 
-extern unsigned debug;
+extern unsigned musb_debug;
 
 static inline int _dbg_level(unsigned l)
 {
-	return debug >= l;
+	return musb_debug >= l;
 }
 
 #define DBG(level, fmt, args...) xprintk(level, KERN_DEBUG, fmt, ## args)

drivers/usb/musb/musb_host.c

@@ -378,6 +378,19 @@ musb_giveback(struct musb_qh *qh, struct urb *urb, int status)
 
 		switch (qh->type) {
 
+		case USB_ENDPOINT_XFER_CONTROL:
+		case USB_ENDPOINT_XFER_BULK:
+			/* fifo policy for these lists, except that NAKing
+			 * should rotate a qh to the end (for fairness).
+			 */
+			if (qh->mux == 1) {
+				head = qh->ring.prev;
+				list_del(&qh->ring);
+				kfree(qh);
+				qh = first_qh(head);
+				break;
+			}
+
 		case USB_ENDPOINT_XFER_ISOC:
 		case USB_ENDPOINT_XFER_INT:
 			/* this is where periodic bandwidth should be
@@ -388,17 +401,6 @@ musb_giveback(struct musb_qh *qh, struct urb *urb, int status)
 			kfree(qh);
 			qh = NULL;
 			break;
-
-		case USB_ENDPOINT_XFER_CONTROL:
-		case USB_ENDPOINT_XFER_BULK:
-			/* fifo policy for these lists, except that NAKing
-			 * should rotate a qh to the end (for fairness).
-			 */
-			head = qh->ring.prev;
-			list_del(&qh->ring);
-			kfree(qh);
-			qh = first_qh(head);
-			break;
 		}
 	}
 	return qh;
@@ -1507,10 +1509,29 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		musb_writew(hw_ep->regs, MUSB_RXCSR, val);
 
 #ifdef CONFIG_USB_INVENTRA_DMA
+		if (usb_pipeisoc(pipe)) {
+			struct usb_iso_packet_descriptor *d;
+
+			d = urb->iso_frame_desc + qh->iso_idx;
+			d->actual_length = xfer_len;
+
+			/* even if there was an error, we did the dma
+			 * for iso_frame_desc->length
+			 */
+			if (d->status != EILSEQ && d->status != -EOVERFLOW)
+				d->status = 0;
+
+			if (++qh->iso_idx >= urb->number_of_packets)
+				done = true;
+			else
+				done = false;
+
+		} else  {
 		/* done if urb buffer is full or short packet is recd */
 		done = (urb->actual_length + xfer_len >=
 				urb->transfer_buffer_length
 			|| dma->actual_len < qh->maxpacket);
+		}
 
 		/* send IN token for next packet, without AUTOREQ */
 		if (!done) {
@@ -1547,7 +1568,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		if (dma) {
 			struct dma_controller	*c;
 			u16			rx_count;
-			int			ret;
+			int			ret, length;
+			dma_addr_t		buf;
 
 			rx_count = musb_readw(epio, MUSB_RXCOUNT);
 
@@ -1560,6 +1582,35 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 
 			c = musb->dma_controller;
 
+			if (usb_pipeisoc(pipe)) {
+				int status = 0;
+				struct usb_iso_packet_descriptor *d;
+
+				d = urb->iso_frame_desc + qh->iso_idx;
+
+				if (iso_err) {
+					status = -EILSEQ;
+					urb->error_count++;
+				}
+				if (rx_count > d->length) {
+					if (status == 0) {
+						status = -EOVERFLOW;
+						urb->error_count++;
+					}
+					DBG(2, "** OVERFLOW %d into %d\n",\
+					    rx_count, d->length);
+
+					length = d->length;
+				} else
+					length = rx_count;
+				d->status = status;
+				buf = urb->transfer_dma + d->offset;
+			} else {
+				length = rx_count;
+				buf = urb->transfer_dma +
+						urb->actual_length;
+			}
+
 			dma->desired_mode = 0;
 #ifdef USE_MODE1
 			/* because of the issue below, mode 1 will
@@ -1571,6 +1622,12 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 						urb->actual_length)
 					> qh->maxpacket)
 				dma->desired_mode = 1;
+			if (rx_count < hw_ep->max_packet_sz_rx) {
+				length = rx_count;
+				dma->bDesiredMode = 0;
+			} else {
+				length = urb->transfer_buffer_length;
+			}
 #endif
 
 /* Disadvantage of using mode 1:
@@ -1608,12 +1665,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 			 */
 			ret = c->channel_program(
 				dma, qh->maxpacket,
-				dma->desired_mode,
-				urb->transfer_dma
-					+ urb->actual_length,
-				(dma->desired_mode == 0)
-					? rx_count
-					: urb->transfer_buffer_length);
+				dma->desired_mode, buf, length);
 
 			if (!ret) {
 				c->channel_release(dma);
@@ -1631,19 +1683,6 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		}
 	}
 
-	if (dma && usb_pipeisoc(pipe)) {
-		struct usb_iso_packet_descriptor	*d;
-		int					iso_stat = status;
-
-		d = urb->iso_frame_desc + qh->iso_idx;
-		d->actual_length += xfer_len;
-		if (iso_err) {
-			iso_stat = -EILSEQ;
-			urb->error_count++;
-		}
-		d->status = iso_stat;
-	}
-
 finish:
 	urb->actual_length += xfer_len;
 	qh->offset += xfer_len;
@@ -1671,22 +1710,9 @@ static int musb_schedule(
 	struct list_head	*head = NULL;
 
 	/* use fixed hardware for control and bulk */
-	switch (qh->type) {
-	case USB_ENDPOINT_XFER_CONTROL:
+	if (qh->type == USB_ENDPOINT_XFER_CONTROL) {
 		head = &musb->control;
 		hw_ep = musb->control_ep;
-		break;
-	case USB_ENDPOINT_XFER_BULK:
-		hw_ep = musb->bulk_ep;
-		if (is_in)
-			head = &musb->in_bulk;
-		else
-			head = &musb->out_bulk;
-		break;
-	}
-	if (head) {
-		idle = list_empty(head);
-		list_add_tail(&qh->ring, head);
 		goto success;
 	}
 
@@ -1725,19 +1751,34 @@ static int musb_schedule(
 		else
 			diff = hw_ep->max_packet_sz_tx - qh->maxpacket;
 
-		if (diff > 0 && best_diff > diff) {
+		if (diff >= 0 && best_diff > diff) {
 			best_diff = diff;
 			best_end = epnum;
 		}
 	}
-	if (best_end < 0)
+	/* use bulk reserved ep1 if no other ep is free */
+	if (best_end > 0 && qh->type == USB_ENDPOINT_XFER_BULK) {
+		hw_ep = musb->bulk_ep;
+		if (is_in)
+			head = &musb->in_bulk;
+		else
+			head = &musb->out_bulk;
+		goto success;
+	} else if (best_end < 0) {
 		return -ENOSPC;
+	}
 
 	idle = 1;
+	qh->mux = 0;
 	hw_ep = musb->endpoints + best_end;
 	musb->periodic[best_end] = qh;
 	DBG(4, "qh %p periodic slot %d\n", qh, best_end);
 success:
+	if (head) {
+		idle = list_empty(head);
+		list_add_tail(&qh->ring, head);
+		qh->mux = 1;
+	}
 	qh->hw_ep = hw_ep;
 	qh->hep->hcpriv = qh;
 	if (idle)
@@ -2015,11 +2056,13 @@ static int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 			sched = &musb->control;
 			break;
 		case USB_ENDPOINT_XFER_BULK:
-			if (usb_pipein(urb->pipe))
-				sched = &musb->in_bulk;
-			else
-				sched = &musb->out_bulk;
-			break;
+			if (qh->mux == 1) {
+				if (usb_pipein(urb->pipe))
+					sched = &musb->in_bulk;
+				else
+					sched = &musb->out_bulk;
+				break;
+			}
 		default:
 			/* REVISIT when we get a schedule tree, periodic
 			 * transfers won't always be at the head of a
@@ -2067,11 +2110,13 @@ musb_h_disable(struct usb_hcd *hcd, struct usb_host_endpoint *hep)
 		sched = &musb->control;
 		break;
 	case USB_ENDPOINT_XFER_BULK:
-		if (is_in)
-			sched = &musb->in_bulk;
-		else
-			sched = &musb->out_bulk;
-		break;
+		if (qh->mux == 1) {
+			if (is_in)
+				sched = &musb->in_bulk;
+			else
+				sched = &musb->out_bulk;
+			break;
+		}
 	default:
 		/* REVISIT when we get a schedule tree, periodic transfers
 		 * won't always be at the head of a singleton queue...

drivers/usb/musb/musb_host.h

@@ -53,6 +53,7 @@ struct musb_qh {
 
 	struct list_head	ring;		/* of musb_qh */
 	/* struct musb_qh		*next; */	/* for periodic tree */
+	u8			mux;		/* qh multiplexed to hw_ep */
 
 	unsigned		offset;		/* in urb->transfer_buffer */
 	unsigned		segsize;	/* current xfer fragment */

drivers/usb/musb/omap2430.c

@@ -53,7 +53,9 @@ static void musb_do_idle(unsigned long _musb)
 {
 	struct musb	*musb = (void *)_musb;
 	unsigned long	flags;
+#ifdef CONFIG_USB_MUSB_HDRC_HCD
 	u8	power;
+#endif
 	u8	devctl;
 
 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);

drivers/usb/musb/tusb6010.c

@@ -605,7 +605,7 @@ void musb_platform_set_mode(struct musb *musb, u8 musb_mode)
 
 	if (musb->board_mode != MUSB_OTG) {
 		ERR("Changing mode currently only supported in OTG mode\n");
-		return;
+		return -EINVAL;
 	}
 
 	otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT);

drivers/usb/serial/cp2101.c

@@ -67,6 +67,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */
 	{ USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
 	{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
+	{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
 	{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
 	{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
 	{ USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
@@ -85,6 +86,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
 	{ USB_DEVICE(0x10c4, 0x8293) }, /* Telegesys ETRX2USB */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
+	{ USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */

drivers/usb/serial/option.c

@@ -160,6 +160,11 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 
 #define NOVATELWIRELESS_VENDOR_ID		0x1410
 
+/* YISO PRODUCTS */
+
+#define YISO_VENDOR_ID				0x0EAB
+#define YISO_PRODUCT_U893			0xC893
+
 /* MERLIN EVDO PRODUCTS */
 #define NOVATELWIRELESS_PRODUCT_V640		0x1100
 #define NOVATELWIRELESS_PRODUCT_V620		0x1110
@@ -408,6 +413,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
 	{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) },
 	{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
+	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },

drivers/usb/storage/Kconfig

@@ -2,8 +2,8 @@
 # USB Storage driver configuration
 #
 
-comment "NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'"
-comment "may also be needed; see USB_STORAGE Help for more information"
+comment "NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;"
+comment "see USB_STORAGE Help for more information"
 	depends on USB
 
 config USB_STORAGE

drivers/usb/storage/unusual_devs.h

@@ -253,6 +253,14 @@ UNUSUAL_DEV(  0x0421, 0x006a, 0x0000, 0x0591,
 	US_SC_DEVICE, US_PR_DEVICE, NULL,
 	US_FL_FIX_CAPACITY ),
 
+/* Submitted by Ricky Wong Yung Fei <evilbladewarrior@gmail.com> */
+/* Nokia 7610 Supernova - Too many sectors reported in usb storage mode */
+UNUSUAL_DEV(  0x0421, 0x00f5, 0x0000, 0x0470,
+	"Nokia",
+	"7610 Supernova",
+	US_SC_DEVICE, US_PR_DEVICE, NULL,
+	US_FL_FIX_CAPACITY ),
+
 /* Reported by Olaf Hering <olh@suse.de> from novell bug #105878 */
 UNUSUAL_DEV(  0x0424, 0x0fdc, 0x0210, 0x0210,
 		"SMSC",
@@ -418,6 +426,13 @@ UNUSUAL_DEV(  0x04b0, 0x0417, 0x0100, 0x0100,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY),
 
+/* Reported by paul ready <lxtwin@homecall.co.uk> */
+UNUSUAL_DEV(  0x04b0, 0x0419, 0x0100, 0x0200,
+		"NIKON",
+		"NIKON DSC D300",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY),
+
 /* Reported by Doug Maxey (dwm@austin.ibm.com) */
 UNUSUAL_DEV(  0x04b3, 0x4001, 0x0110, 0x0110,
 		"IBM",
@@ -1258,6 +1273,13 @@ UNUSUAL_DEV( 0x0839, 0x000a, 0x0001, 0x0001,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_INQUIRY),
 
+/* Reported by Luciano Rocha <luciano@eurotux.com> */
+UNUSUAL_DEV( 0x0840, 0x0082, 0x0001, 0x0001,
+		"Argosy",
+		"Storage",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY),
+
 /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>.
  * Flag will support Bulk devices which use a standards-violating 32-byte
  * Command Block Wrapper. Here, the "DC2MEGA" cameras (several brands) with

include/linux/usb.h

@@ -108,6 +108,7 @@ enum usb_interface_condition {
  *	(in probe()), bound to a driver, or unbinding (in disconnect())
  * @is_active: flag set when the interface is bound and not suspended.
  * @sysfs_files_created: sysfs attributes exist
+ * @unregistering: flag set when the interface is being unregistered
  * @needs_remote_wakeup: flag set when the driver requires remote-wakeup
  *	capability during autosuspend.
  * @needs_altsetting0: flag set when a set-interface request for altsetting 0
@@ -163,6 +164,7 @@ struct usb_interface {
 	enum usb_interface_condition condition;		/* state of binding */
 	unsigned is_active:1;		/* the interface is not suspended */
 	unsigned sysfs_files_created:1;	/* the sysfs attributes exist */
+	unsigned unregistering:1;	/* unregistration is in progress */
 	unsigned needs_remote_wakeup:1;	/* driver requires remote wakeup */
 	unsigned needs_altsetting0:1;	/* switch to altsetting 0 is pending */
 	unsigned needs_binding:1;	/* needs delayed unbind/rebind */