Merge kroah.com:/home/greg/linux/BK/bleed-2.6

into kroah.com:/home/greg/linux/BK/usb-2.6

MAINTAINERS

@@ -2239,8 +2239,8 @@ W:	http://www.linux-usb.org
 S:	Supported
 
 USB UHCI DRIVER
-P:	Johannes Erdfelt
-M:	johannes@erdfelt.com
+P:	Alan Stern
+M:	stern@rowland.harvard.edu
 L:	linux-usb-users@lists.sourceforge.net
 L:	linux-usb-devel@lists.sourceforge.net
 S:	Maintained

drivers/media/dvb/ttusb-dec/ttusb_dec.c

@@ -204,12 +204,23 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 				  int *result_length, u8 cmd_result[])
 {
 	int result, actual_len, i;
-	u8 b[COMMAND_PACKET_SIZE + 4];
-	u8 c[COMMAND_PACKET_SIZE + 4];
+	u8 *b;
+	u8 *c;
+	
+	b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
+	if (!b)
+		return -ENOMEM;
+	c = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
+	if (!c) {
+		kfree(b);
+		return -ENOMEM;
+	}
 
 	dprintk("%s\n", __FUNCTION__);
 
 	if ((result = down_interruptible(&dec->usb_sem))) {
+		kfree(b);
+		kfree(c);
 		printk("%s: Failed to down usb semaphore.\n", __FUNCTION__);
 		return result;
 	}
@@ -230,22 +241,26 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	}
 
 	result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
-			      sizeof(b), &actual_len, HZ);
+			      COMMAND_PACKET_SIZE + 4, &actual_len, HZ);
 
 	if (result) {
 		printk("%s: command bulk message failed: error %d\n",
 		       __FUNCTION__, result);
 		up(&dec->usb_sem);
+		kfree(b);
+		kfree(c);
 		return result;
 	}
 
 	result = usb_bulk_msg(dec->udev, dec->result_pipe, c,
-			      sizeof(c), &actual_len, HZ);
+			      COMMAND_PACKET_SIZE + 4, &actual_len, HZ);
 
 	if (result) {
 		printk("%s: result bulk message failed: error %d\n",
 		       __FUNCTION__, result);
 		up(&dec->usb_sem);
+		kfree(b);
+		kfree(c);
 		return result;
 	} else {
 		if (debug) {
@@ -262,6 +277,8 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 
 		up(&dec->usb_sem);
 
+		kfree(b);
+		kfree(c);
 		return 0;
 	}
 }

drivers/usb/Makefile

@@ -46,7 +46,6 @@ obj-$(CONFIG_USB_DC2XX)		+= image/
 obj-$(CONFIG_USB_HPUSBSCSI)	+= image/
 obj-$(CONFIG_USB_MDC800)	+= image/
 obj-$(CONFIG_USB_MICROTEK)	+= image/
-obj-$(CONFIG_USB_SCANNER)	+= image/
 
 obj-$(CONFIG_USB_SERIAL)	+= serial/
 

drivers/usb/class/cdc-acm.c

@@ -399,6 +399,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
 static int acm_tty_write(struct tty_struct *tty, int from_user, const unsigned char *buf, int count)
 {
 	struct acm *acm = tty->driver_data;
+	int stat;
 
 	if (!ACM_READY(acm))
 		return -EINVAL;
@@ -418,8 +419,12 @@ static int acm_tty_write(struct tty_struct *tty, int from_user, const unsigned c
 	acm->writeurb->transfer_buffer_length = count;
 	acm->writeurb->dev = acm->dev;
 
-	if (usb_submit_urb(acm->writeurb, GFP_KERNEL))
+	/* GFP_KERNEL probably works if from_user */
+	stat = usb_submit_urb(acm->writeurb, GFP_ATOMIC);
+	if (stat < 0) {
 		dbg("usb_submit_urb(write bulk) failed");
+		return stat;
+	}
 
 	return count;
 }

drivers/usb/core/Makefile

@@ -2,7 +2,7 @@
 # Makefile for USB Core files and filesystem
 #
 
-usbcore-objs	:= usb.o usb-debug.o hub.o hcd.o urb.o message.o \
+usbcore-objs	:= usb.o hub.o hcd.o urb.o message.o \
 			config.o file.o buffer.o driverfs.o
 
 ifeq ($(CONFIG_PCI),y)

drivers/usb/core/hcd.c

@@ -34,7 +34,10 @@
 #include <linux/slab.h>
 #include <linux/completion.h>
 #include <linux/uts.h>			/* for UTS_SYSNAME */
-#include <linux/pci.h>			/* for hcd->pdev and dma addressing */
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/scatterlist.h>
+#include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <asm/byteorder.h>
 
@@ -735,7 +738,7 @@ EXPORT_SYMBOL (usb_deregister_bus);
  *
  * The USB host controller calls this function to register the root hub
  * properly with the USB subsystem.  It sets up the device properly in
- * the driverfs tree, and then calls usb_new_device() to register the
+ * the device model tree, and then calls usb_new_device() to register the
  * usb device.  It also assigns the root hub's USB address (always 1).
  */
 int usb_register_root_hub (struct usb_device *usb_dev, struct device *parent_dev)
@@ -743,14 +746,14 @@ int usb_register_root_hub (struct usb_device *usb_dev, struct device *parent_dev
 	const int devnum = 1;
 	int retval;
 
-	sprintf (&usb_dev->dev.bus_id[0], "usb%d", usb_dev->bus->busnum);
-	usb_dev->state = USB_STATE_DEFAULT;
-
 	usb_dev->devnum = devnum;
 	usb_dev->bus->devnum_next = devnum + 1;
+	memset (&usb_dev->bus->devmap.devicemap, 0,
+			sizeof usb_dev->bus->devmap.devicemap);
 	set_bit (devnum, usb_dev->bus->devmap.devicemap);
+	usb_dev->state = USB_STATE_ADDRESS;
 
-	retval = usb_new_device (usb_dev, parent_dev);
+	retval = usb_new_device (usb_dev);
 	if (retval)
 		dev_err (parent_dev, "can't register root hub for %s, %d\n",
 				usb_dev->dev.bus_id, retval);
@@ -1474,16 +1477,16 @@ void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb, struct pt_regs
 	if (hcd->controller->dma_mask) {
 		if (usb_pipecontrol (urb->pipe)
 			&& !(urb->transfer_flags & URB_NO_SETUP_DMA_MAP))
-			pci_unmap_single (hcd->pdev, urb->setup_dma,
+			dma_unmap_single (hcd->controller, urb->setup_dma,
 					sizeof (struct usb_ctrlrequest),
-					PCI_DMA_TODEVICE);
+					DMA_TO_DEVICE);
 		if (urb->transfer_buffer_length != 0
 			&& !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP))
-			pci_unmap_single (hcd->pdev, urb->transfer_dma,
+			dma_unmap_single (hcd->controller, urb->transfer_dma,
 					urb->transfer_buffer_length,
 					usb_pipein (urb->pipe)
-					    ? PCI_DMA_FROMDEVICE
-					    : PCI_DMA_TODEVICE);
+					    ? DMA_FROM_DEVICE
+					    : DMA_TO_DEVICE);
 	}
 
 	/* pass ownership to the completion handler */
@@ -1513,7 +1516,9 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd, struct pt_regs * r)
 		return IRQ_NONE;
 
 	hcd->saw_irq = 1;
-	hcd->driver->irq (hcd, r);
+	if (hcd->driver->irq (hcd, r) == IRQ_NONE)
+		return IRQ_NONE;
+
 	if (hcd->state != start && hcd->state == USB_STATE_HALT)
 		usb_hc_died (hcd);
 	return IRQ_HANDLED;

drivers/usb/core/hcd.h

@@ -163,7 +163,7 @@ struct hc_driver {
 	const char	*description;	/* "ehci-hcd" etc */
 
 	/* irq handler */
-	void	(*irq) (struct usb_hcd *hcd, struct pt_regs *regs);
+	irqreturn_t	(*irq) (struct usb_hcd *hcd, struct pt_regs *regs);
 
 	int	flags;
 #define	HCD_MEMORY	0x0001		/* HC regs use memory (else I/O) */
@@ -241,7 +241,9 @@ extern void usb_hc_died (struct usb_hcd *hcd);
 /* -------------------------------------------------------------------------- */
 
 /* Enumeration is only for the hub driver, or HCD virtual root hubs */
-extern int usb_new_device(struct usb_device *dev, struct device *parent);
+extern struct usb_device *usb_alloc_dev(struct usb_device *parent,
+					struct usb_bus *, unsigned port);
+extern int usb_new_device(struct usb_device *dev);
 extern void usb_choose_address(struct usb_device *dev);
 extern void usb_disconnect(struct usb_device **);
 

drivers/usb/core/hub.c

@@ -179,7 +179,7 @@ static inline int
 hub_clear_tt_buffer (struct usb_device *hub, u16 devinfo, u16 tt)
 {
 	return usb_control_msg (hub, usb_rcvctrlpipe (hub, 0),
-		HUB_CLEAR_TT_BUFFER, USB_DIR_IN | USB_RECIP_OTHER,
+		HUB_CLEAR_TT_BUFFER, USB_RT_PORT,
 		devinfo, tt, 0, 0, HZ);
 }
 
@@ -930,11 +930,9 @@ static void hub_port_connect_change(struct usb_hub *hubstate, int port,
 	down(&usb_address0_sem);
 
 	for (i = 0; i < HUB_PROBE_TRIES; i++) {
-		struct usb_device *pdev;
-		int	len;
 
 		/* Allocate a new device struct */
-		dev = usb_alloc_dev(hub, hub->bus);
+		dev = usb_alloc_dev(hub, hub->bus, port);
 		if (!dev) {
 			dev_err (&hubstate->intf->dev,
 				"couldn't allocate usb_device\n");
@@ -962,38 +960,18 @@ static void hub_port_connect_change(struct usb_hub *hubstate, int port,
 			dev->ttport = port + 1;
 		}
 
-		/* Save readable and stable topology id, distinguishing
-		 * devices by location for diagnostics, tools, etc.  The
-		 * string is a path along hub ports, from the root.  Each
-		 * device's id will be stable until USB is re-cabled, and
-		 * hubs are often labeled with these port numbers.
-		 *
-		 * Initial size: ".NN" times five hubs + NUL = 16 bytes max
-		 * (quite rare, since most hubs have 4-6 ports).
-		 */
-		pdev = dev->parent;
-		if (pdev->devpath [0] != '0')	/* parent not root? */
-			len = snprintf (dev->devpath, sizeof dev->devpath,
-				"%s.%d", pdev->devpath, port + 1);
-		/* root == "0", root port 2 == "2", port 3 that hub "2.3" */
-		else
-			len = snprintf (dev->devpath, sizeof dev->devpath,
-				"%d", port + 1);
-		if (len == sizeof dev->devpath)
-			dev_err (&hubstate->intf->dev,
-				"devpath size! usb/%03d/%03d path %s\n",
-				dev->bus->busnum, dev->devnum, dev->devpath);
-		dev_info (&hubstate->intf->dev,
-			"new USB device on port %d, assigned address %d\n",
-			port + 1, dev->devnum);
-
-		/* put the device in the global device tree. the hub port
-		 * is the "bus_id"; hubs show in hierarchy like bridges
-		 */
-		dev->dev.parent = dev->parent->dev.parent->parent;
+		dev_info (&dev->dev,
+			"new %s speed USB device using address %d\n",
+			({ char *speed; switch (dev->speed) {
+			case USB_SPEED_LOW:	speed = "low";	break;
+			case USB_SPEED_FULL:	speed = "full";	break;
+			case USB_SPEED_HIGH:	speed = "high";	break;
+			default: 		speed = "?";	break;
+			}; speed;}),
+			dev->devnum);
 
 		/* Run it through the hoops (find a driver, etc) */
-		if (!usb_new_device(dev, &hub->dev)) {
+		if (usb_new_device(dev) == 0) {
 			hub->children[port] = dev;
 			goto done;
 		}

drivers/usb/core/usb-debug.c

-/*
- * debug.c - USB debug helper routines.
- *
- * I just want these out of the way where they aren't in your
- * face, but so that you can still use them..
- */
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#ifdef CONFIG_USB_DEBUG
-	#define DEBUG
-#else
-	#undef DEBUG
-#endif
-#include <linux/usb.h>
-
-static void usb_show_endpoint(struct usb_host_endpoint *endpoint)
-{
-	usb_show_endpoint_descriptor(&endpoint->desc);
-}
-
-static void usb_show_interface(struct usb_host_interface *altsetting)
-{
-	int i;
-
-	usb_show_interface_descriptor(&altsetting->desc);
-
-	for (i = 0; i < altsetting->desc.bNumEndpoints; i++)
-		usb_show_endpoint(altsetting->endpoint + i);
-}
-
-static void usb_show_config(struct usb_host_config *config)
-{
-	int i, j;
-	struct usb_interface *ifp;
-
-	usb_show_config_descriptor(&config->desc);
-	for (i = 0; i < config->desc.bNumInterfaces; i++) {
-		ifp = config->interface[i];
-
-		if (!ifp)
-			break;
-
-		printk("\n  Interface: %d\n", i);
-		for (j = 0; j < ifp->num_altsetting; j++)
-			usb_show_interface(ifp->altsetting + j);
-	}
-}
-
-void usb_show_device(struct usb_device *dev)
-{
-	int i;
-
-	usb_show_device_descriptor(&dev->descriptor);
-	for (i = 0; i < dev->descriptor.bNumConfigurations; i++)
-		usb_show_config(dev->config + i);
-}
-
-/*
- * Parse and show the different USB descriptors.
- */
-void usb_show_device_descriptor(struct usb_device_descriptor *desc)
-{
-	if (!desc)
-	{
-		printk("Invalid USB device descriptor (NULL POINTER)\n");
-		return;
-	}
-	printk("  Length              = %2d%s\n", desc->bLength,
-		desc->bLength == USB_DT_DEVICE_SIZE ? "" : " (!!!)");
-	printk("  DescriptorType      = %02x\n", desc->bDescriptorType);
-
-	printk("  USB version         = %x.%02x\n",
-		desc->bcdUSB >> 8, desc->bcdUSB & 0xff);
-	printk("  Vendor:Product      = %04x:%04x\n",
-		desc->idVendor, desc->idProduct);
-	printk("  MaxPacketSize0      = %d\n", desc->bMaxPacketSize0);
-	printk("  NumConfigurations   = %d\n", desc->bNumConfigurations);
-	printk("  Device version      = %x.%02x\n",
-		desc->bcdDevice >> 8, desc->bcdDevice & 0xff);
-
-	printk("  Device Class:SubClass:Protocol = %02x:%02x:%02x\n",
-		desc->bDeviceClass, desc->bDeviceSubClass, desc->bDeviceProtocol);
-	switch (desc->bDeviceClass) {
-	case 0:
-		printk("    Per-interface classes\n");
-		break;
-	case USB_CLASS_AUDIO:
-		printk("    Audio device class\n");
-		break;
-	case USB_CLASS_COMM:
-		printk("    Communications class\n");
-		break;
-	case USB_CLASS_HID:
-		printk("    Human Interface Devices class\n");
-		break;
-	case USB_CLASS_PRINTER:
-		printk("    Printer device class\n");
-		break;
-	case USB_CLASS_MASS_STORAGE:
-		printk("    Mass Storage device class\n");
-		break;
-	case USB_CLASS_HUB:
-		printk("    Hub device class\n");
-		break;
-	case USB_CLASS_VENDOR_SPEC:
-		printk("    Vendor class\n");
-		break;
-	default:
-		printk("    Unknown class\n");
-	}
-}
-
-void usb_show_config_descriptor(struct usb_config_descriptor *desc)
-{
-	printk("Configuration:\n");
-	printk("  bLength             = %4d%s\n", desc->bLength,
-		desc->bLength == USB_DT_CONFIG_SIZE ? "" : " (!!!)");
-	printk("  bDescriptorType     =   %02x\n", desc->bDescriptorType);
-	printk("  wTotalLength        = %04x\n", desc->wTotalLength);
-	printk("  bNumInterfaces      =   %02x\n", desc->bNumInterfaces);
-	printk("  bConfigurationValue =   %02x\n", desc->bConfigurationValue);
-	printk("  iConfiguration      =   %02x\n", desc->iConfiguration);
-	printk("  bmAttributes        =   %02x\n", desc->bmAttributes);
-	printk("  bMaxPower            = %4dmA\n", desc->bMaxPower * 2);
-}
-
-void usb_show_interface_descriptor(struct usb_interface_descriptor *desc)
-{
-	printk("  Alternate Setting: %2d\n", desc->bAlternateSetting);
-	printk("    bLength             = %4d%s\n", desc->bLength,
-		desc->bLength == USB_DT_INTERFACE_SIZE ? "" : " (!!!)");
-	printk("    bDescriptorType     =   %02x\n", desc->bDescriptorType);
-	printk("    bInterfaceNumber    =   %02x\n", desc->bInterfaceNumber);
-	printk("    bAlternateSetting   =   %02x\n", desc->bAlternateSetting);
-	printk("    bNumEndpoints       =   %02x\n", desc->bNumEndpoints);
-	printk("    bInterface Class:SubClass:Protocol =   %02x:%02x:%02x\n",
-		desc->bInterfaceClass, desc->bInterfaceSubClass, desc->bInterfaceProtocol);
-	printk("    iInterface          =   %02x\n", desc->iInterface);
-}
-
-void usb_show_endpoint_descriptor(struct usb_endpoint_descriptor *desc)
-{
-	char *LengthCommentString = (desc->bLength ==
-		USB_DT_ENDPOINT_AUDIO_SIZE) ? " (Audio)" : (desc->bLength ==
-		USB_DT_ENDPOINT_SIZE) ? "" : " (!!!)";
-	char *EndpointType[4] = { "Control", "Isochronous", "Bulk", "Interrupt" };
-
-	printk("    Endpoint:\n");
-	printk("      bLength             = %4d%s\n",
-		desc->bLength, LengthCommentString);
-	printk("      bDescriptorType     =   %02x\n", desc->bDescriptorType);
-	printk("      bEndpointAddress    =   %02x (%s)\n", desc->bEndpointAddress,
-		(desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
-			USB_ENDPOINT_XFER_CONTROL ? "i/o" :
-		(desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? "in" : "out");
-	printk("      bmAttributes        =   %02x (%s)\n", desc->bmAttributes,
-		EndpointType[USB_ENDPOINT_XFERTYPE_MASK & desc->bmAttributes]);
-	printk("      wMaxPacketSize      = %04x\n", desc->wMaxPacketSize);
-	printk("      bInterval           =   %02x\n", desc->bInterval);
-
-	/* Audio extensions to the endpoint descriptor */
-	if (desc->bLength == USB_DT_ENDPOINT_AUDIO_SIZE) {
-		printk("      bRefresh            =   %02x\n", desc->bRefresh);
-		printk("      bSynchAddress       =   %02x\n", desc->bSynchAddress);
-	}
-}
-
-void usb_show_string(struct usb_device *dev, char *id, int index)
-{
-	char *buf;
-
-	if (!index)
-		return;
-	if (!(buf = kmalloc(256, GFP_KERNEL)))
-		return;
-	if (usb_string(dev, index, buf, 256) > 0)
-		dev_printk(KERN_INFO, &dev->dev, "%s: %s\n", id, buf);
-	kfree(buf);
-}
-
-void usb_dump_urb (struct urb *urb)
-{
-	printk ("urb                   :%p\n", urb);
-	printk ("dev                   :%p\n", urb->dev);
-	printk ("pipe                  :%08X\n", urb->pipe);
-	printk ("status                :%d\n", urb->status);
-	printk ("transfer_flags        :%08X\n", urb->transfer_flags);
-	printk ("transfer_buffer       :%p\n", urb->transfer_buffer);
-	printk ("transfer_buffer_length:%d\n", urb->transfer_buffer_length);
-	printk ("actual_length         :%d\n", urb->actual_length);
-	printk ("setup_packet          :%p\n", urb->setup_packet);
-	printk ("start_frame           :%d\n", urb->start_frame);
-	printk ("number_of_packets     :%d\n", urb->number_of_packets);
-	printk ("interval              :%d\n", urb->interval);
-	printk ("error_count           :%d\n", urb->error_count);
-	printk ("context               :%p\n", urb->context);
-	printk ("complete              :%p\n", urb->complete);
-}
-

drivers/usb/core/usb.c

@@ -678,17 +678,19 @@ static void usb_release_dev(struct device *dev)
 }
 
 /**
- * usb_alloc_dev - allocate a usb device structure (usbcore-internal)
- * @parent: hub to which device is connected
+ * usb_alloc_dev - usb device constructor (usbcore-internal)
+ * @parent: hub to which device is connected; null to allocate a root hub
  * @bus: bus used to access the device
+ * @port: zero based index of port; ignored for root hubs
  * Context: !in_interrupt ()
  *
  * Only hub drivers (including virtual root hub drivers for host
  * controllers) should ever call this.
  *
- * This call is synchronous, and may not be used in an interrupt context.
+ * This call may not be used in a non-sleeping context.
  */
-struct usb_device *usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus)
+struct usb_device *
+usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port)
 {
 	struct usb_device *dev;
 
@@ -705,11 +707,42 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus)
 	}
 
 	device_initialize(&dev->dev);
+	dev->dev.bus = &usb_bus_type;
+	dev->dev.dma_mask = bus->controller->dma_mask;
+	dev->dev.driver_data = &usb_generic_driver_data;
+	dev->dev.driver = &usb_generic_driver;
 	dev->dev.release = usb_release_dev;
 	dev->state = USB_STATE_ATTACHED;
 
-	if (!parent)
+	/* Save readable and stable topology id, distinguishing devices
+	 * by location for diagnostics, tools, driver model, etc.  The
+	 * string is a path along hub ports, from the root.  Each device's
+	 * dev->devpath will be stable until USB is re-cabled, and hubs
+	 * are often labeled with these port numbers.  The bus_id isn't
+	 * as stable:  bus->busnum changes easily from modprobe order,
+	 * cardbus or pci hotplugging, and so on.
+	 */
+	if (unlikely (!parent)) {
 		dev->devpath [0] = '0';
+
+		dev->dev.parent = bus->controller;
+		sprintf (&dev->dev.bus_id[0], "usb%d", bus->busnum);
+	} else {
+		/* match any labeling on the hubs; it's one-based */
+		if (parent->devpath [0] == '0')
+			snprintf (dev->devpath, sizeof dev->devpath,
+				"%d", port + 1);
+		else
+			snprintf (dev->devpath, sizeof dev->devpath,
+				"%s.%d", parent->devpath, port + 1);
+
+		dev->dev.parent = &parent->dev;
+		sprintf (&dev->dev.bus_id[0], "%d-%s",
+			bus->busnum, dev->devpath);
+
+		/* hub driver sets up TT records */
+	}
+
 	dev->bus = bus;
 	dev->parent = parent;
 	INIT_LIST_HEAD(&dev->filelist);
@@ -984,6 +1017,19 @@ int usb_set_address(struct usb_device *dev)
 	return retval;
 }
 
+static inline void usb_show_string(struct usb_device *dev, char *id, int index)
+{
+	char *buf;
+
+	if (!index)
+		return;
+	if (!(buf = kmalloc(256, GFP_KERNEL)))
+		return;
+	if (usb_string(dev, index, buf, 256) > 0)
+		dev_printk(KERN_INFO, &dev->dev, "%s: %s\n", id, buf);
+	kfree(buf);
+}
+
 /*
  * By the time we get here, we chose a new device address
  * and is in the default state. We need to identify the thing and
@@ -998,33 +1044,13 @@ int usb_set_address(struct usb_device *dev)
  */
 #define NEW_DEVICE_RETRYS	2
 #define SET_ADDRESS_RETRYS	2
-int usb_new_device(struct usb_device *dev, struct device *parent)
+int usb_new_device(struct usb_device *dev)
 {
 	int err = -EINVAL;
 	int i;
 	int j;
 	int config;
 
-	/*
-	 * Set the driver for the usb device to point to the "generic" driver.
-	 * This prevents the main usb device from being sent to the usb bus
-	 * probe function.  Yes, it's a hack, but a nice one :)
-	 *
-	 * Do it asap, so more driver model stuff (like the device.h message
-	 * utilities) can be used in hcd submit/unlink code paths.
-	 */
-	usb_generic_driver.bus = &usb_bus_type;
-	dev->dev.parent = parent;
-	dev->dev.driver = &usb_generic_driver;
-	dev->dev.bus = &usb_bus_type;
-	dev->dev.driver_data = &usb_generic_driver_data;
-	if (dev->dev.bus_id[0] == 0)
-		sprintf (&dev->dev.bus_id[0], "%d-%s",
-			 dev->bus->busnum, dev->devpath);
-
-	/* dma masks come from the controller; readonly, except to hcd */
-	dev->dev.dma_mask = parent->dma_mask;
-
 	/* USB 2.0 section 5.5.3 talks about ep0 maxpacket ...
 	 * it's fixed size except for full speed devices.
 	 */

drivers/usb/gadget/ether.c

@@ -19,7 +19,7 @@
  */
 
 
-#define DEBUG 1
+// #define DEBUG 1
 // #define VERBOSE
 
 #include <linux/config.h>
@@ -885,8 +885,11 @@ set_ether_config (struct eth_dev *dev, int gfp_flags)
 #ifndef	DEV_CONFIG_CDC
 	if (result == 0) {
 		netif_carrier_on (dev->net);
-		if (netif_running (dev->net))
+		if (netif_running (dev->net)) {
+			spin_unlock (&dev->lock);
 			eth_start (dev, GFP_ATOMIC);
+			spin_lock (&dev->lock);
+		}
 	} else {
 		(void) usb_ep_disable (dev->in_ep);
 		dev->in_ep = 0;
@@ -1246,8 +1249,11 @@ eth_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 #ifdef	EP_STATUS_NUM
 				issue_start_status (dev);
 #endif
-				if (netif_running (dev->net))
+				if (netif_running (dev->net)) {
+					spin_unlock (&dev->lock);
 					eth_start (dev, GFP_ATOMIC);
+					spin_lock (&dev->lock);
+				}
 			} else {
 				netif_stop_queue (dev->net);
 				netif_carrier_off (dev->net);
@@ -1414,16 +1420,14 @@ static int
 rx_submit (struct eth_dev *dev, struct usb_request *req, int gfp_flags)
 {
 	struct sk_buff		*skb;
-	int			retval = 0;
+	int			retval = -ENOMEM;
 	size_t			size;
 
 	size = (sizeof (struct ethhdr) + dev->net->mtu + RX_EXTRA);
 
 	if ((skb = alloc_skb (size, gfp_flags)) == 0) {
 		DEBUG (dev, "no rx skb\n");
-		defer_kevent (dev, WORK_RX_MEMORY);
-		list_add (&req->list, &dev->rx_reqs);
-		return -ENOMEM;
+		goto enomem;
 	}
 
 	req->buf = skb->data;
@@ -1433,11 +1437,14 @@ rx_submit (struct eth_dev *dev, struct usb_request *req, int gfp_flags)
 
 	retval = usb_ep_queue (dev->out_ep, req, gfp_flags);
 	if (retval == -ENOMEM)
+enomem:
 		defer_kevent (dev, WORK_RX_MEMORY);
 	if (retval) {
 		DEBUG (dev, "rx submit --> %d\n", retval);
 		dev_kfree_skb_any (skb);
+		spin_lock (&dev->lock);
 		list_add (&req->list, &dev->rx_reqs);
+		spin_unlock (&dev->lock);
 	}
 	return retval;
 }
@@ -1502,6 +1509,7 @@ static void rx_complete (struct usb_ep *ep, struct usb_request *req)
 		dev_kfree_skb_any (skb);
 	if (!netif_running (dev->net)) {
 clean:
+		/* nobody reading rx_reqs, so no dev->lock */
 		list_add (&req->list, &dev->rx_reqs);
 		req = 0;
 	}
@@ -1568,19 +1576,26 @@ static int alloc_requests (struct eth_dev *dev, unsigned n, int gfp_flags)
 static void rx_fill (struct eth_dev *dev, int gfp_flags)
 {
 	struct usb_request	*req;
+	unsigned long		flags;
 
 	clear_bit (WORK_RX_MEMORY, &dev->todo);
 
 	/* fill unused rxq slots with some skb */
+	spin_lock_irqsave (&dev->lock, flags);
 	while (!list_empty (&dev->rx_reqs)) {
 		req = container_of (dev->rx_reqs.next,
 				struct usb_request, list);
 		list_del_init (&req->list);
+		spin_unlock_irqrestore (&dev->lock, flags);
+
 		if (rx_submit (dev, req, gfp_flags) < 0) {
 			defer_kevent (dev, WORK_RX_MEMORY);
 			return;
 		}
+
+		spin_lock_irqsave (&dev->lock, flags);
 	}
+	spin_unlock_irqrestore (&dev->lock, flags);
 }
 
 static void eth_work (void *_dev)
@@ -1616,7 +1631,9 @@ static void tx_complete (struct usb_ep *ep, struct usb_request *req)
 	}
 	dev->stats.tx_packets++;
 
+	spin_lock (&dev->lock);
 	list_add (&req->list, &dev->tx_reqs);
+	spin_unlock (&dev->lock);
 	dev_kfree_skb_any (skb);
 
 	atomic_dec (&dev->tx_qlen);
@@ -1630,11 +1647,14 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
 	int			length = skb->len;
 	int			retval;
 	struct usb_request	*req = 0;
+	unsigned long		flags;
 
+	spin_lock_irqsave (&dev->lock, flags);
 	req = container_of (dev->tx_reqs.next, struct usb_request, list);
 	list_del (&req->list);
 	if (list_empty (&dev->tx_reqs))
 		netif_stop_queue (net);
+	spin_unlock_irqrestore (&dev->lock, flags);
 
 	/* no buffer copies needed, unless the network stack did it
 	 * or the hardware can't use skb buffers.
@@ -1675,9 +1695,11 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
 	if (retval) {
 		dev->stats.tx_dropped++;
 		dev_kfree_skb_any (skb);
+		spin_lock_irqsave (&dev->lock, flags);
 		if (list_empty (&dev->tx_reqs))
 			netif_start_queue (net);
 		list_add (&req->list, &dev->tx_reqs);
+		spin_unlock_irqrestore (&dev->lock, flags);
 	}
 	return 0;
 }

drivers/usb/gadget/file_storage.c

 /*
  * file_storage.c -- File-backed USB Storage Gadget, for USB development
  *
- * Copyright (C) 2003 Alan Stern
+ * Copyright (C) 2003, 2004 Alan Stern
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -244,7 +244,7 @@
 
 #define DRIVER_DESC		"File-backed Storage Gadget"
 #define DRIVER_NAME		"g_file_storage"
-#define DRIVER_VERSION		"14 January 2004"
+#define DRIVER_VERSION		"26 January 2004"
 
 static const char longname[] = DRIVER_DESC;
 static const char shortname[] = DRIVER_NAME;
@@ -435,7 +435,7 @@ static const char EP_INTR_IN_NAME [] = "ep3-bulk";
 #define LDBG(lun,fmt,args...) \
 	yprintk(lun , KERN_DEBUG , fmt , ## args)
 #define MDBG(fmt,args...) \
-	printk(KERN_DEBUG DRIVER_NAME ": " fmt, ## args)
+	printk(KERN_DEBUG DRIVER_NAME ": " fmt , ## args)
 #else
 #define DBG(fsg,fmt,args...) \
 	do { } while (0)
@@ -473,7 +473,7 @@ static const char EP_INTR_IN_NAME [] = "ep3-bulk";
 	yprintk(lun , KERN_INFO , fmt , ## args)
 
 #define MINFO(fmt,args...) \
-	printk(KERN_INFO DRIVER_NAME ": " fmt, ## args)
+	printk(KERN_INFO DRIVER_NAME ": " fmt , ## args)
 
 
 /*-------------------------------------------------------------------------*/
@@ -848,6 +848,7 @@ struct fsg_dev {
 	unsigned int		nluns;
 	struct lun		*luns;
 	struct lun		*curlun;
+	struct completion	lun_released;
 };
 
 typedef void (*fsg_routine_t)(struct fsg_dev *);
@@ -3771,6 +3772,13 @@ static DEVICE_ATTR(file, 0444, show_file, NULL);
 
 /*-------------------------------------------------------------------------*/
 
+static void lun_release(struct device *dev)
+{
+	struct fsg_dev	*fsg = (struct fsg_dev *) dev_get_drvdata(dev);
+
+	complete(&fsg->lun_released);
+}
+
 static void fsg_unbind(struct usb_gadget *gadget)
 {
 	struct fsg_dev		*fsg = get_gadget_data(gadget);
@@ -3782,12 +3790,14 @@ static void fsg_unbind(struct usb_gadget *gadget)
 	clear_bit(REGISTERED, &fsg->atomic_bitflags);
 
 	/* Unregister the sysfs attribute files and the LUNs */
+	init_completion(&fsg->lun_released);
 	for (i = 0; i < fsg->nluns; ++i) {
 		curlun = &fsg->luns[i];
 		if (curlun->registered) {
 			device_remove_file(&curlun->dev, &dev_attr_ro);
 			device_remove_file(&curlun->dev, &dev_attr_file);
-			device_unregister_wait(&curlun->dev);
+			device_unregister(&curlun->dev);
+			wait_for_completion(&fsg->lun_released);
 			curlun->registered = 0;
 		}
 	}
@@ -4140,6 +4150,7 @@ static int __init fsg_init(void)
 			INFO(fsg, "failed to register LUN%d: %d\n", i, rc);
 		else {
 			curlun->registered = 1;
+			curlun->dev.release = lun_release;
 			device_create_file(&curlun->dev, &dev_attr_ro);
 			device_create_file(&curlun->dev, &dev_attr_file);
 		}

drivers/usb/gadget/net2280.c

@@ -534,7 +534,10 @@ write_fifo (struct net2280_ep *ep, struct usb_request *req)
 	}
 
 	/* write just one packet at a time */
-	count = min (ep->ep.maxpacket, total);
+	count = ep->ep.maxpacket;
+	if (count > total)	/* min() cannot be used on a bitfield */
+		count = total;
+
 	VDEBUG (ep->dev, "write %s fifo (IN) %d bytes%s req %p\n",
 			ep->ep.name, count,
 			(count != ep->ep.maxpacket) ? " (short)" : "",
@@ -2197,7 +2200,8 @@ static void handle_ep_small (struct net2280_ep *ep)
 		unsigned	len;
 
 		len = req->req.length - req->req.actual;
-		len = min (ep->ep.maxpacket, len);
+		if (len > ep->ep.maxpacket)
+			len = ep->ep.maxpacket;
 		req->req.actual += len;
 
 		/* if we wrote it all, we're usually done */

drivers/usb/gadget/pxa2xx_udc.h

@@ -52,8 +52,9 @@ struct pxa2xx_ep {
 	struct list_head			queue;
 	unsigned long				pio_irqs;
 	unsigned long				dma_irqs;
-	int					dma;
+	short					dma; 
 
+	unsigned short				fifo_size;
 	u8					bEndpointAddress;
 	u8					bmAttributes;
 
@@ -68,7 +69,12 @@ struct pxa2xx_ep {
 	volatile u32				*reg_udccs;
 	volatile u32				*reg_ubcr;
 	volatile u32				*reg_uddr;
+#ifdef USE_DMA
 	volatile u32				*reg_drcmr;
+#define	drcmr(n)  .reg_drcmr = & DRCMR ## n ,
+#else
+#define	drcmr(n)  
+#endif
 };
 
 struct pxa2xx_request {
@@ -181,14 +187,14 @@ static inline void make_usb_disappear(void)
 {
 	if (!the_controller->mach->udc_command)
 		return;
-	the_controller->mach->udc_command(PXA2XX_UDC_CMD_CONNECT);
+	the_controller->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
 }
 
 static inline void let_usb_appear(void)
 {
 	if (!the_controller->mach->udc_command)
 		return;
-	the_controller->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
+	the_controller->mach->udc_command(PXA2XX_UDC_CMD_CONNECT);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -305,7 +311,7 @@ dump_state(struct pxa2xx_udc *dev)
 #define DBG(lvl, stuff...) do{if ((lvl) <= UDC_DEBUG) DMSG(stuff);}while(0)
 
 #define WARN(stuff...) printk(KERN_WARNING "udc: " stuff)
-
+#define INFO(stuff...) printk(KERN_INFO "udc: " stuff)
 
 
 #endif /* __LINUX_USB_GADGET_PXA2XX_H */

drivers/usb/host/ehci-hcd.c

@@ -473,7 +473,7 @@ static int ehci_start (struct usb_hcd *hcd)
 
 	/* wire up the root hub */
 	bus = hcd_to_bus (hcd);
-	bus->root_hub = udev = usb_alloc_dev (NULL, bus);
+	bus->root_hub = udev = usb_alloc_dev (NULL, bus, 0);
 	if (!udev) {
 done2:
 		ehci_mem_cleanup (ehci);
@@ -680,7 +680,7 @@ static void ehci_work (struct ehci_hcd *ehci, struct pt_regs *regs)
 
 /*-------------------------------------------------------------------------*/
 
-static void ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
+static irqreturn_t ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
 	u32			status;
@@ -690,6 +690,12 @@ static void ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
 
 	status = readl (&ehci->regs->status);
 
+	/* shared irq */
+	if (status == 0) {
+		spin_unlock (&ehci->lock);
+		return IRQ_NONE;
+	}
+
 	/* e.g. cardbus physical eject */
 	if (status == ~(u32) 0) {
 		ehci_dbg (ehci, "device removed\n");
@@ -743,6 +749,7 @@ static void ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
 		ehci_work (ehci, regs);
 done:
 	spin_unlock (&ehci->lock);
+	return IRQ_HANDLED;
 }
 
 /*-------------------------------------------------------------------------*/

drivers/usb/host/hc_sl811_rh.c

@@ -559,7 +559,7 @@ static int rh_connect_rh (hci_t * hci)
 	struct usb_device *usb_dev;
 
 	hci->rh.devnum = 0;
-	usb_dev = usb_alloc_dev (NULL, hci->bus);
+	usb_dev = usb_alloc_dev (NULL, hci->bus, 0);
 	if (!usb_dev)
 		return -ENOMEM;
 

drivers/usb/host/ohci-hcd.c

@@ -81,6 +81,7 @@
 #endif
 
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
@@ -103,7 +104,7 @@
 #include <asm/byteorder.h>
 
 
-#define DRIVER_VERSION "2003 Oct 13"
+#define DRIVER_VERSION "2004 Feb 02"
 #define DRIVER_AUTHOR "Roman Weissgaerber, David Brownell"
 #define DRIVER_DESC "USB 1.1 'Open' Host Controller (OHCI) Driver"
 
@@ -112,8 +113,7 @@
 // #define OHCI_VERBOSE_DEBUG	/* not always helpful */
 
 /* For initializing controller (mask in an HCFS mode too) */
-#define	OHCI_CONTROL_INIT \
-	 (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
+#define	OHCI_CONTROL_INIT 	OHCI_CTRL_CBSR
 
 #define OHCI_UNLINK_TIMEOUT	 (HZ / 10)
 
@@ -133,6 +133,12 @@ static inline void disable (struct ohci_hcd *ohci)
 #include "ohci-mem.c"
 #include "ohci-q.c"
 
+
+/* Some boards don't support per-port power switching */
+static int power_switching = 0;
+module_param (power_switching, bool, 0);
+MODULE_PARM_DESC (power_switching, "true (not default) to switch port power");
+
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -288,11 +294,8 @@ static int ohci_urb_dequeue (struct usb_hcd *hcd, struct urb *urb)
 		 * with HC dead, we won't respect hc queue pointers
 		 * any more ... just clean up every urb's memory.
 		 */
-		if (urb->hcpriv) {
-			spin_unlock (&ohci->lock);
+		if (urb->hcpriv)
 			finish_urb (ohci, urb, NULL);
-			spin_lock (&ohci->lock);
-		}
 	}
 	spin_unlock_irqrestore (&ohci->lock, flags);
 	return 0;
@@ -413,6 +416,14 @@ static int hc_reset (struct ohci_hcd *ohci)
 	ohci->hc_control = readl (&ohci->regs->control);
 	ohci->hc_control &= OHCI_CTRL_RWC;	/* hcfs 0 = RESET */
 	writel (ohci->hc_control, &ohci->regs->control);
+	if (power_switching) {
+		unsigned ports = roothub_a (ohci) & RH_A_NDP; 
+
+		/* power down each port */
+		for (temp = 0; temp < ports; temp++)
+			writel (RH_PS_LSDA,
+				&ohci->regs->roothub.portstatus [temp]);
+	}
 	// flush those pci writes
 	(void) readl (&ohci->regs->control);
 	wait_ms (50);
@@ -502,15 +513,21 @@ static int hc_start (struct ohci_hcd *ohci)
 		/* NSC 87560 and maybe others */
 		tmp |= RH_A_NOCP;
 		tmp &= ~(RH_A_POTPGT | RH_A_NPS);
+	} else if (power_switching) {
+		/* act like most external hubs:  use per-port power
+		 * switching and overcurrent reporting.
+		 */
+		tmp &= ~(RH_A_NPS | RH_A_NOCP);
+		tmp |= RH_A_PSM | RH_A_OCPM;
 	} else {
 		/* hub power always on; required for AMD-756 and some
-		 * Mac platforms, use this mode everywhere by default
+		 * Mac platforms.  ganged overcurrent reporting, if any.
 		 */
 		tmp |= RH_A_NPS;
 	}
 	writel (tmp, &ohci->regs->roothub.a);
 	writel (RH_HS_LPSC, &ohci->regs->roothub.status);
-	writel (0, &ohci->regs->roothub.b);
+	writel (power_switching ? RH_B_PPCM : 0, &ohci->regs->roothub.b);
 	// flush those pci writes
 	(void) readl (&ohci->regs->control);
 
@@ -519,7 +536,7 @@ static int hc_start (struct ohci_hcd *ohci)
  
 	/* connect the virtual root hub */
 	bus = hcd_to_bus (&ohci->hcd);
-	bus->root_hub = udev = usb_alloc_dev (NULL, bus);
+	bus->root_hub = udev = usb_alloc_dev (NULL, bus, 0);
 	ohci->hcd.state = USB_STATE_RUNNING;
 	if (!udev) {
 		disable (ohci);
@@ -545,7 +562,7 @@ static int hc_start (struct ohci_hcd *ohci)
 
 /* an interrupt happens */
 
-static void ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs)
+static irqreturn_t ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs)
 {
 	struct ohci_hcd		*ohci = hcd_to_ohci (hcd);
 	struct ohci_regs	*regs = ohci->regs;
@@ -560,11 +577,11 @@ static void ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs)
 	} else if ((ints = readl (&regs->intrstatus)) == ~(u32)0) {
 		disable (ohci);
 		ohci_dbg (ohci, "device removed!\n");
-		return;
+		return IRQ_HANDLED;
 
 	/* interrupt for some other device? */
 	} else if ((ints &= readl (&regs->intrenable)) == 0) {
-		return;
+		return IRQ_NONE;
 	} 
 
 	if (ints & OHCI_INTR_UE) {
@@ -604,6 +621,8 @@ static void ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs)
 		// flush those pci writes
 		(void) readl (&ohci->regs->control);
 	}
+
+	return IRQ_HANDLED;
 }
 
 /*-------------------------------------------------------------------------*/

drivers/usb/host/ohci-hub.c

@@ -128,6 +128,8 @@ ohci_hub_descriptor (
 	desc->bDescLength = 7 + 2 * temp;
 
 	temp = 0;
+	if (rh & RH_A_NPS)		/* no power switching? */
+	    temp |= 0x0002;
 	if (rh & RH_A_PSM) 		/* per-port power switching? */
 	    temp |= 0x0001;
 	if (rh & RH_A_NOCP)		/* no overcurrent reporting? */

drivers/usb/host/ohci-omap.c

@@ -134,7 +134,7 @@ static int omap_ohci_clock_power(int on)
 			writel(readl(ULPD_SOFT_REQ_REG) | SOFT_USB_REQ,
 				ULPD_SOFT_REQ_REG);
 
-			outl(inl(ULPD_STATUS_REQ_REG) | USB_HOST_DPLL_REQ,
+			writel(readl(ULPD_STATUS_REQ_REG) | USB_HOST_DPLL_REQ,
 			     ULPD_STATUS_REQ_REG);
 		}
 
@@ -248,7 +248,7 @@ static int omap_1610_usb_init(int mode)
 	val |= (1 << 2); /* Disable pulldown on integrated transceiver DM */
 	val |= (1 << 1); /* Disable pulldown on integraded transceiver DP */
 
-	outl(val, USB_TRANSCEIVER_CTRL);
+	writel(val, USB_TRANSCEIVER_CTRL);
 
 	/* Set the USB0_TRX_MODE */
 	val = 0;
@@ -256,7 +256,7 @@ static int omap_1610_usb_init(int mode)
 	val &= ~DEV_IDLE_EN;
 	val &= ~(7 << 16);	/* Clear USB0_TRX_MODE */
 	val |= (3 << 16);	/* 0 or 3, 6-wire DAT/SE0, TRM p 15-159 */
-	outl(val, OTG_SYSCON_1);
+	writel(val, OTG_SYSCON_1);
 
 	/* 
 	 * Control via OTG, see TRM p 15-163
@@ -275,10 +275,10 @@ static int omap_1610_usb_init(int mode)
 	val |= (4 << 16);	/* Must be 4 */
 	val |= USBX_SYNCHRO;	/* Must be set */
 	val |= SRP_VBUS;
-	outl(val, OTG_SYSCON_2);
+	writel(val, OTG_SYSCON_2);
 
 	/* Enable OTG idle */
-	//outl(inl(OTG_SYSCON_1) | OTG_IDLE_EN, OTG_SYSCON_1);
+	//writel(readl(OTG_SYSCON_1) | OTG_IDLE_EN, OTG_SYSCON_1);
 
 	return 0;
 }
@@ -631,7 +631,7 @@ static struct omap_dev ohci_hcd_omap_device = {
 		.end	= OMAP_OHCI_BASE + OMAP_OHCI_SIZE,
 	},
 	.irq = {
-		INT_OHCI,
+		INT_USB_HHC_1,
 	},
 };
 

drivers/usb/host/ohci-pci.c

@@ -266,6 +266,9 @@ static int ohci_pci_resume (struct usb_hcd *hcd)
 			if (ohci->ed_bulktail)
 				ohci->hc_control |= OHCI_CTRL_BLE;
 		}
+		if (hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs
+				|| hcd_to_bus (&ohci->hcd)->bandwidth_int_reqs)
+			ohci->hc_control |= OHCI_CTRL_PLE|OHCI_CTRL_IE;
 		hcd->state = USB_STATE_RUNNING;
 		writel (ohci->hc_control, &ohci->regs->control);
 

drivers/usb/host/ohci-q.c

@@ -30,7 +30,7 @@ static void urb_free_priv (struct ohci_hcd *hc, urb_priv_t *urb_priv)
 /*
  * URB goes back to driver, and isn't reissued.
  * It's completely gone from HC data structures.
- * PRECONDITION:  no locks held, irqs blocked  (Giveback can call into HCD.)
+ * PRECONDITION:  ohci lock held, irqs blocked.
  */
 static void
 finish_urb (struct ohci_hcd *ohci, struct urb *urb, struct pt_regs *regs)
@@ -55,7 +55,6 @@ finish_urb (struct ohci_hcd *ohci, struct urb *urb, struct pt_regs *regs)
 	}
 	spin_unlock (&urb->lock);
 
-	// what lock protects these?
 	switch (usb_pipetype (urb->pipe)) {
 	case PIPE_ISOCHRONOUS:
 		hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs--;
@@ -68,7 +67,18 @@ finish_urb (struct ohci_hcd *ohci, struct urb *urb, struct pt_regs *regs)
 #ifdef OHCI_VERBOSE_DEBUG
 	urb_print (urb, "RET", usb_pipeout (urb->pipe));
 #endif
+
+	/* urb->complete() can reenter this HCD */
+	spin_unlock (&ohci->lock);
 	usb_hcd_giveback_urb (&ohci->hcd, urb, regs);
+	spin_lock (&ohci->lock);
+
+	/* stop periodic dma if it's not needed */
+	if (hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs == 0
+			&& hcd_to_bus (&ohci->hcd)->bandwidth_int_reqs == 0) {
+		ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_IE);
+		writel (ohci->hc_control, &ohci->regs->control);
+	}
 }
 
 
@@ -549,6 +559,7 @@ static void td_submit_urb (
 	int		cnt = 0;
 	u32		info = 0;
 	int		is_out = usb_pipeout (urb->pipe);
+	int		periodic = 0;
 
 	/* OHCI handles the bulk/interrupt data toggles itself.  We just
 	 * use the device toggle bits for resetting, and rely on the fact
@@ -578,7 +589,8 @@ static void td_submit_urb (
 	 */
 	case PIPE_INTERRUPT:
 		/* ... and periodic urbs have extra accounting */
-		hcd_to_bus (&ohci->hcd)->bandwidth_int_reqs++;
+		periodic = hcd_to_bus (&ohci->hcd)->bandwidth_int_reqs++ == 0
+			&& hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs == 0;
 		/* FALLTHROUGH */
 	case PIPE_BULK:
 		info = is_out
@@ -646,9 +658,17 @@ static void td_submit_urb (
 				data + urb->iso_frame_desc [cnt].offset,
 				urb->iso_frame_desc [cnt].length, urb, cnt);
 		}
-		hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs++;
+		periodic = hcd_to_bus (&ohci->hcd)->bandwidth_isoc_reqs++ == 0
+			&& hcd_to_bus (&ohci->hcd)->bandwidth_int_reqs == 0;
 		break;
 	}
+
+	/* start periodic dma if needed */
+	if (periodic) {
+		ohci->hc_control |= OHCI_CTRL_PLE|OHCI_CTRL_IE;
+		writel (ohci->hc_control, &ohci->regs->control);
+	}
+
 	// ASSERT (urb_priv->length == cnt);
 }
 
@@ -949,9 +969,7 @@ finish_unlinks (struct ohci_hcd *ohci, u16 tick, struct pt_regs *regs)
 			/* if URB is done, clean up */
 			if (urb_priv->td_cnt == urb_priv->length) {
 				modified = completed = 1;
-				spin_unlock (&ohci->lock);
 				finish_urb (ohci, urb, regs);
-				spin_lock (&ohci->lock);
 			}
 		}
 		if (completed && !list_empty (&ed->td_list))
@@ -1030,11 +1048,8 @@ dl_done_list (struct ohci_hcd *ohci, struct td *td, struct pt_regs *regs)
   		urb_priv->td_cnt++;
 
 		/* If all this urb's TDs are done, call complete() */
-  		if (urb_priv->td_cnt == urb_priv->length) {
-     			spin_unlock (&ohci->lock);
+  		if (urb_priv->td_cnt == urb_priv->length)
   			finish_urb (ohci, urb, regs);
-  			spin_lock (&ohci->lock);
-  		}
 
 		/* clean schedule:  unlink EDs that are no longer busy */
 		if (list_empty (&ed->td_list))

drivers/usb/host/ohci-sa1111.c

@@ -254,8 +254,6 @@ void usb_hcd_sa1111_remove (struct usb_hcd *hcd, struct sa1111_dev *dev)
 	hcd_buffer_destroy (hcd);
 
 	usb_deregister_bus (&hcd->self);
-	if (atomic_read (&hcd->self.refcnt) != 1)
-		err ("%s: %s, count != 1", __FUNCTION__, hcd->self.bus_name);
 
 	base = hcd->regs;
 	hcd->driver->hcd_free (hcd);

drivers/usb/host/uhci-hcd.c

 /*
  * Universal Host Controller Interface driver for USB.
  *
- * Maintainer: Johannes Erdfelt <johannes@erdfelt.com>
+ * Maintainer: Alan Stern <stern@rowland.harvard.edu>
  *
  * (C) Copyright 1999 Linus Torvalds
  * (C) Copyright 1999-2002 Johannes Erdfelt, johannes@erdfelt.com
@@ -668,7 +668,6 @@ static struct urb_priv *uhci_alloc_urb_priv(struct uhci_hcd *uhci, struct urb *u
 	urbp->inserttime = jiffies;
 	urbp->fsbrtime = jiffies;
 	urbp->urb = urb;
-	urbp->dev = urb->dev;
 	
 	INIT_LIST_HEAD(&urbp->td_list);
 	INIT_LIST_HEAD(&urbp->queue_list);
@@ -1909,7 +1908,7 @@ static void uhci_remove_pending_qhs(struct uhci_hcd *uhci)
 	spin_unlock_irqrestore(&uhci->urb_remove_list_lock, flags);
 }
 
-static void uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
+static irqreturn_t uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 {
 	struct uhci_hcd *uhci = hcd_to_uhci(hcd);
 	unsigned int io_addr = uhci->io_addr;
@@ -1922,7 +1921,7 @@ static void uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 	 */
 	status = inw(io_addr + USBSTS);
 	if (!status)	/* shared interrupt, not mine */
-		return;
+		return IRQ_NONE;
 	outw(status, io_addr + USBSTS);		/* Clear it */
 
 	if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
@@ -1963,6 +1962,7 @@ static void uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 	spin_unlock(&uhci->urb_list_lock);
 
 	uhci_finish_completion(hcd, regs);
+	return IRQ_HANDLED;
 }
 
 static void reset_hc(struct uhci_hcd *uhci)
@@ -2315,7 +2315,7 @@ static int uhci_start(struct usb_hcd *hcd)
 
 	uhci->rh_numports = port;
 
-	hcd->self.root_hub = udev = usb_alloc_dev(NULL, &hcd->self);
+	hcd->self.root_hub = udev = usb_alloc_dev(NULL, &hcd->self, 0);
 	if (!udev) {
 		err("unable to allocate root hub");
 		goto err_alloc_root_hub;

drivers/usb/host/uhci-hcd.h

@@ -372,7 +372,6 @@ struct urb_priv {
 	struct list_head urb_list;
 
 	struct urb *urb;
-	struct usb_device *dev;
 
 	struct uhci_qh *qh;		/* QH for this URB */
 	struct list_head td_list;	/* P: urb->lock */

drivers/usb/image/Kconfig

@@ -17,19 +17,6 @@ config USB_MDC800
 	  To compile this driver as a module, choose M here: the
 	  module will be called mdc800.
 
-config USB_SCANNER
-	tristate "USB Scanner support (OBSOLETE)"
-	depends on USB
-	help
-	  Say Y here if you want to connect a USB scanner to your computer's
-	  USB port. Please read <file:Documentation/usb/scanner.txt> for more
-	  information.
-
-	  This driver has been obsoleted by support via libusb.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called scanner.
-
 config USB_MICROTEK
 	tristate "Microtek X6USB scanner support"
 	depends on USB && SCSI

drivers/usb/image/Makefile

@@ -5,4 +5,3 @@
 obj-$(CONFIG_USB_MDC800)	+= mdc800.o
 obj-$(CONFIG_USB_HPUSBSCSI)	+= hpusbscsi.o
 obj-$(CONFIG_USB_MICROTEK)	+= microtek.o
-obj-$(CONFIG_USB_SCANNER)	+= scanner.o

drivers/usb/input/Kconfig

@@ -41,9 +41,11 @@ config HID_FF
 	bool "Force feedback support (EXPERIMENTAL)"
 	depends on USB_HIDINPUT && EXPERIMENTAL
 	help
-	  Say Y here is you want force feedback support for a few HID devices. See
-	  below for a list of supported devices.
-	  See Documentation/input/ff.txt for a description of the force feedback API.
+	  Say Y here is you want force feedback support for a few HID devices.
+	  See below for a list of supported devices.
+
+	  See <file:Documentation/input/ff.txt> for a description of the force
+	  feedback API.
 
 	  If unsure, say N.
 
@@ -171,7 +173,8 @@ config USB_POWERMATE
 	  rotation.  The dial also acts as a pushbutton.  The base contains an LED
 	  which can be instructed to pulse or to switch to a particular intensity.
 
-	  You can download userspace tools from http://sowerbutts.com/powermate/
+	  You can download userspace tools from
+	  <http://sowerbutts.com/powermate/>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called powermate.
@@ -185,7 +188,7 @@ config USB_XPAD
 	  and/or "Event interface support" (CONFIG_INPUT_EVDEV) as well.
 
 	  For information about how to connect the X-Box pad to USB, see
-	  Documentation/input/xpad.txt.
+	  <file:Documentation/input/xpad.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called xpad.

drivers/usb/input/hid-core.c

@@ -602,14 +602,16 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 		case 2:
 			if ((end - start) < 2) 
 				return NULL;
-			item->data.u16 = le16_to_cpu(get_unaligned(((__u16*)start)++));
+			item->data.u16 = le16_to_cpu(get_unaligned((__u16*)start));
+			start = (__u8 *)((__u16 *)start + 1);
 			return start;
 
 		case 3:
 			item->size++;
 			if ((end - start) < 4)
 				return NULL;
-			item->data.u32 = le32_to_cpu(get_unaligned(((__u32*)start)++));
+			item->data.u32 = le32_to_cpu(get_unaligned((__u32*)start));
+			start = (__u8 *)((__u32 *)start + 1);
 			return start;
 	}
 

drivers/usb/media/dsbr100.c

@@ -15,7 +15,7 @@
  You might find some interesting stuff about this module at
  http://unimut.fsk.uni-heidelberg.de/unimut/demi/dsbr
 
- Copyright (c) 2000 Markus Demleitner <msdemlei@tucana.harvard.edu>
+ Copyright (c) 2000 Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -34,7 +34,7 @@
  History:
 
  Version 0.30:
- 	Markus: Updates for 2.5.x kernel and more ISO compiant source
+ 	Markus: Updates for 2.5.x kernel and more ISO compliant source
 
  Version 0.25:
         PSL and Markus: Cleanup, radio now doesn't stop on device close
@@ -75,7 +75,7 @@
 /*
  * Version Information
  */
-#define DRIVER_VERSION "v0.25"
+#define DRIVER_VERSION "v0.30"
 #define DRIVER_AUTHOR "Markus Demleitner <msdemlei@tucana.harvard.edu>"
 #define DRIVER_DESC "D-Link DSB-R100 USB FM radio driver"
 

drivers/usb/misc/Kconfig

@@ -17,7 +17,7 @@ config USB_EMI62
 	  This code is also available as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
 	  The module will be called audio. If you want to compile it as a
-	  module, say M here and read <file:Documentation/modules.txt>.
+	  module, say M here and read <file:Documentation/kbuild/modules.txt>.
 
 config USB_EMI26
 	tristate "EMI 2|6 USB Audio interface support"
@@ -83,7 +83,8 @@ config USB_LEGOTOWER
 	  This code is also available as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
 	  The module will be called legousbtower. If you want to compile it as
-	  a module, say M here and read <file:Documentation/modules.txt>.
+	  a module, say M here and read
+	  <file:Documentation/kbuild/modules.txt>.
 
 config USB_BRLVGER
 	tristate "Tieman Voyager USB Braille display support (EXPERIMENTAL)"
@@ -102,7 +103,7 @@ config USB_LCD
 	help
 	  Say Y here if you want to connect an USBLCD to your computer's
 	  USB port. The USBLCD is a small USB interface board for
-	  alphanumeric LCD modules. See <http://www.usblcd.de> for more
+	  alphanumeric LCD modules. See <http://www.usblcd.de/> for more
 	  information.
 
 	  To compile this driver as a module, choose M here: the
@@ -139,6 +140,6 @@ config USB_TEST
 	  with specialized device firmware for regression and stress testing,
 	  to help prevent problems from cropping up with "real" drivers.
 
-	  See <http://www.linux-usb.org/usbtest> for more information,
+	  See <http://www.linux-usb.org/usbtest/> for more information,
 	  including sample test device firmware and "how to use it".
 

drivers/usb/misc/uss720.c

@@ -333,7 +333,7 @@ static size_t parport_uss720_epp_read_data(struct parport *pp, void *buf, size_t
 	for (; got < length; got++) {
 		if (get_1284_register(pp, 4, (char *)buf))
 			break;
-		((char*)buf)++;
+		buf++;
 		if (priv->reg[0] & 0x01) {
 			clear_epp_timeout(pp);
 			break;
@@ -392,7 +392,7 @@ static size_t parport_uss720_epp_read_addr(struct parport *pp, void *buf, size_t
 	for (; got < length; got++) {
 		if (get_1284_register(pp, 3, (char *)buf))
 			break;
-		((char*)buf)++;
+		buf++;
 		if (priv->reg[0] & 0x01) {
 			clear_epp_timeout(pp);
 			break;
@@ -412,7 +412,7 @@ static size_t parport_uss720_epp_write_addr(struct parport *pp, const void *buf,
 	for (; written < length; written++) {
 		if (set_1284_register(pp, 3, *(char *)buf))
 			break;
-		((char*)buf)++;
+		buf++;
 		if (get_1284_register(pp, 1, NULL))
 			break;
 		if (priv->reg[0] & 0x01) {
@@ -469,7 +469,7 @@ static size_t parport_uss720_ecp_write_addr(struct parport *pp, const void *buff
 	for (; written < len; written++) {
 		if (set_1284_register(pp, 5, *(char *)buffer))
 			break;
-		((char*)buffer)++;
+		buffer++;
 	}
 	change_mode(pp, ECR_PS2);
 	return written;

drivers/usb/net/Kconfig

@@ -73,11 +73,12 @@ config USB_PEGASUS
 	select MII
 	---help---
 	  Say Y here if you know you have Pegasus or Pegasus-II based adapter.
-	  If in doubt then look at linux/drivers/usb/pegasus.h for the complete
-	  list of supported devices.
+	  If in doubt then look at <file:drivers/usb/net/pegasus.h> for the
+	  complete list of supported devices.
+
 	  If your particular adapter is not in the list and you are _sure_ it
-	  is Pegasus or Pegasus II based then send me (petkan@users.sourceforge.net)
-	  vendor and device IDs.
+	  is Pegasus or Pegasus II based then send me
+	  <petkan@users.sourceforge.net> vendor and device IDs.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called pegasus.
@@ -87,8 +88,8 @@ config USB_RTL8150
 	depends on USB && NET && EXPERIMENTAL
 	help
 	  Say Y here if you have RTL8150 based usb-ethernet adapter.
-	  Send me (petkan@users.sourceforge.net) any comments you may have.
-	  You can also check for updates at http://pegasus2.sourceforge.net/
+	  Send me <petkan@users.sourceforge.net> any comments you may have.
+	  You can also check for updates at <http://pegasus2.sourceforge.net/>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called rtl8150.
@@ -254,13 +255,14 @@ config USB_AX8817X
 	  10/100 Ethernet devices.
 
  	  This driver should work with at least the following devices:
+	    * Aten UC210T
 	    * ASIX AX88172
 	    * D-Link DUB-E100
 	    * Hawking UF200
 	    * Linksys USB200M
 	    * Netgear FA120
-	    * Intellinet
-	    * ST Lab USB Ethernet
+	    * Intellinet USB 2.0 Ethernet
+	    * ST Lab USB 2.0 Ethernet
 	    * TrendNet TU2-ET100
 
 	  This driver creates an interface named "ethX", where X depends on

drivers/usb/serial/belkin_sa.c

@@ -232,8 +232,10 @@ static int  belkin_sa_open (struct usb_serial_port *port, struct file *filp)
 
 	port->interrupt_in_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
-	if (retval)
+	if (retval) {
+		usb_unlink_urb(port->read_urb);
 		err(" usb_submit_urb(read int) failed");
+	}
 
 exit:
 	return retval;

drivers/usb/serial/keyspan.h

@@ -534,6 +534,7 @@ static struct usb_device_id keyspan_1port_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_product_id) },
+	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19hs_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_pre_product_id) },
 	{ } /* Terminating entry */
 };

drivers/usb/serial/kobil_sct.c

@@ -409,8 +409,6 @@ static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
 	// someone sets the dev to 0 if the close method has been called
 	port->interrupt_in_urb->dev = port->serial->dev;
 
-	// usb_dump_urb(port->interrupt_in_urb);
-
 	result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); 
 	dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
 }
@@ -496,8 +494,6 @@ static int kobil_write (struct usb_serial_port *port, int from_user,
 		port->interrupt_in_urb->dev = port->serial->dev;
 		
 		// start reading
-		//usb_dump_urb(port->interrupt_in_urb);
-
 		result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); 
 		dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
 	}

drivers/usb/serial/visor.c

@@ -241,6 +241,8 @@ static struct usb_device_id id_table [] = {
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID), 
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
+	{ USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID),
+		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ },					/* optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -274,6 +276,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) },
 	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) },
 	{ USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) },
+	{ USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
 	{ },					/* optional parameter entry */
 	{ }					/* Terminating entry */
 };

drivers/usb/serial/visor.h

@@ -50,6 +50,9 @@
 #define GARMIN_VENDOR_ID		0x091E
 #define GARMIN_IQUE_3600_ID		0x0004
 
+#define ACEECA_VENDOR_ID		0x4766
+#define ACEECA_MEZ1000_ID		0x0001
+
 /****************************************************************************
  * Handspring Visor Vendor specific request codes (bRequest values)
  * A big thank you to Handspring for providing the following information.

drivers/usb/storage/Kconfig

@@ -56,11 +56,11 @@ config USB_STORAGE_ISD200
 	  - Planex eXtreme Drive RX-25HU USB-IDE cable (not model RX-25U)
 
 config USB_STORAGE_DPCM
-	bool "Microtech CompactFlash/SmartMedia support"
+	bool "Microtech/ZiO! CompactFlash/SmartMedia support"
 	depends on USB_STORAGE
 	help
-	  Say Y here to support the Microtech ZiO! CompactFlash reader.
-	  There is a web page at <http://www.microtechint.com/zio/index.html>.
+	  Say Y here to support the Microtech/ZiO! CompactFlash reader.
+	  There is a web page at <http://www.ziocorp.com/products/>.
 
 config USB_STORAGE_HP8200e
 	bool "HP CD-Writer 82xx support (EXPERIMENTAL)"

drivers/usb/storage/datafab.h

@@ -29,7 +29,7 @@ extern int datafab_transport(Scsi_Cmnd *srb, struct us_data *us);
 struct datafab_info {
 	unsigned long   sectors;	// total sector count
 	unsigned long   ssize;		// sector size in bytes
-	char		lun;		// used for dual-slot readers
+	signed char	lun;		// used for dual-slot readers
 	
 	// the following aren't used yet
 	unsigned char   sense_key;

drivers/usb/storage/unusual_devs.h

@@ -377,7 +377,7 @@ UNUSUAL_DEV(  0x05e3, 0x0700, 0x0000, 0xffff,
 UNUSUAL_DEV(  0x05e3, 0x0701, 0x0000, 0xffff, 
 		"", 
 		"USB TO IDE",
-		US_SC_SCSI, US_PR_DEVICE, NULL,
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_MODE_XLATE ), 
 
 /* Reported by Peter Marks <peter.marks@turner.com>
@@ -604,7 +604,14 @@ UNUSUAL_DEV(  0x07c4, 0xa400, 0x0000, 0xffff,
  * - They don't like the INQUIRY command. So we must handle this command
  *   of the SCSI layer ourselves.
  */
-UNUSUAL_DEV( 0x07cf, 0x1001, 0x1000, 0x9999,
+UNUSUAL_DEV( 0x07cf, 0x1001, 0x1000, 0x9009,
+		"Casio",
+		"QV DigitalCamera",
+		US_SC_8070, US_PR_CB, NULL,
+		US_FL_FIX_INQUIRY ),
+
+/* Later Casio cameras apparently tell the truth */
+UNUSUAL_DEV( 0x07cf, 0x1001, 0x9010, 0x9999,
 		"Casio",
 		"QV DigitalCamera",
 		US_SC_DEVICE, US_PR_DEVICE, NULL,

drivers/usb/storage/usb.c

@@ -834,7 +834,7 @@ void usb_stor_release_resources(struct us_data *us)
 
 	/* Finish the SCSI host removal sequence */
 	if (us->host) {
-		(struct us_data *) us->host->hostdata[0] = NULL;
+		us->host->hostdata[0] = 0;
 		scsi_host_put(us->host);
 	}
 

include/linux/usb.h

@@ -274,7 +274,6 @@ struct usb_device {
 };
 #define	to_usb_device(d) container_of(d, struct usb_device, dev)
 
-extern struct usb_device *usb_alloc_dev(struct usb_device *parent, struct usb_bus *);
 extern struct usb_device *usb_get_dev(struct usb_device *dev);
 extern void usb_put_dev(struct usb_device *dev);
 
@@ -1016,16 +1015,6 @@ static inline unsigned int __create_pipe(struct usb_device *dev, unsigned int en
 
 /* -------------------------------------------------------------------------- */
 
-/*
- * Debugging and troubleshooting/diagnostic helpers.
- */
-void usb_show_device_descriptor(struct usb_device_descriptor *);
-void usb_show_config_descriptor(struct usb_config_descriptor *);
-void usb_show_interface_descriptor(struct usb_interface_descriptor *);
-void usb_show_endpoint_descriptor(struct usb_endpoint_descriptor *);
-void usb_show_device(struct usb_device *);
-void usb_show_string(struct usb_device *dev, char *id, int index);
-
 #ifdef DEBUG
 #define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg)
 #else