5 files changed, 27 insertions, 21 deletions

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index a08787e253aa..6e3b5358a760 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -31,9 +31,6 @@ config USB_DEVICEFS
 	  For the format of the various /proc/bus/usb/ files, please read
 	  <file:Documentation/usb/proc_usb_info.txt>.
 
-	  Please note that this code is completely unrelated to devfs, the
-	  "/dev file system support".
-
 	  Most users want to say Y here.
 
 config USB_BANDWIDTH
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index f7bdd94b3aa8..218621b9958e 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -517,19 +517,19 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig
 
 static struct usb_device *usbdev_lookup_minor(int minor)
 {
-	struct device *device;
-	struct usb_device *udev = NULL;
+	struct class_device *class_dev;
+	struct usb_device *dev = NULL;
 
 	down(&usb_device_class->sem);
-	list_for_each_entry(device, &usb_device_class->devices, node) {
-		if (device->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
-			udev = device->platform_data;
+	list_for_each_entry(class_dev, &usb_device_class->children, node) {
+		if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
+			dev = class_dev->class_data;
 			break;
 		}
 	}
 	up(&usb_device_class->sem);
 
-	return udev;
+	return dev;
 };
 
 /*
@@ -1580,16 +1580,16 @@ static void usbdev_add(struct usb_device *dev)
 {
 	int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
 
-	dev->usbfs_dev = device_create(usb_device_class, &dev->dev,
-				MKDEV(USB_DEVICE_MAJOR, minor),
+	dev->class_dev = class_device_create(usb_device_class, NULL,
+				MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev,
 				"usbdev%d.%d", dev->bus->busnum, dev->devnum);
 
-	dev->usbfs_dev->platform_data = dev;
+	dev->class_dev->class_data = dev;
 }
 
 static void usbdev_remove(struct usb_device *dev)
 {
-	device_unregister(dev->usbfs_dev);
+	class_device_unregister(dev->class_dev);
 }
 
 static int usbdev_notify(struct notifier_block *self, unsigned long action,
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index abee0f5b6a66..8de4f8c99d61 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -194,13 +194,14 @@ int usb_register_dev(struct usb_interface *intf,
 		++temp;
 	else
 		temp = name;
-	intf->usb_dev = device_create(usb_class->class, &intf->dev,
-				      MKDEV(USB_MAJOR, minor), "%s", temp);
-	if (IS_ERR(intf->usb_dev)) {
+	intf->class_dev = class_device_create(usb_class->class, NULL,
+					      MKDEV(USB_MAJOR, minor),
+					      &intf->dev, "%s", temp);
+	if (IS_ERR(intf->class_dev)) {
 		spin_lock (&minor_lock);
 		usb_minors[intf->minor] = NULL;
 		spin_unlock (&minor_lock);
-		retval = PTR_ERR(intf->usb_dev);
+		retval = PTR_ERR(intf->class_dev);
 	}
 exit:
 	return retval;
@@ -241,8 +242,8 @@ void usb_deregister_dev(struct usb_interface *intf,
 	spin_unlock (&minor_lock);
 
 	snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base);
-	device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
-	intf->usb_dev = NULL;
+	class_device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
+	intf->class_dev = NULL;
 	intf->minor = -1;
 	destroy_usb_class();
 }
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 875596e98e42..26c8cb5f3e67 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1790,7 +1790,10 @@ static int finish_device_resume(struct usb_device *udev)
 	 * and device drivers will know about any resume quirks.
 	 */
 	status = usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
-	if (status < 2)
+	if (status >= 0)
+		status = (status == 2 ? 0 : -ENODEV);
+
+	if (status)
 		dev_dbg(&udev->dev,
 			"gone after usb resume? status %d\n",
 			status);
@@ -1879,7 +1882,12 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev)
 			dev_dbg(hub->intfdev,
 				"port %d status %04x.%04x after resume, %d\n",
 				port1, portchange, devstatus, status);
+			if (status >= 0)
+				status = -ENODEV;
 		} else {
+			if (portchange & USB_PORT_STAT_C_SUSPEND)
+				clear_port_feature(hub->hdev, port1,
+						USB_PORT_FEAT_C_SUSPEND);
 			/* TRSMRCY = 10 msec */
 			msleep(10);
 			if (udev)
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index f48c3dbc367a..3182c2224ba2 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -695,7 +695,7 @@ static void usbfs_remove_device(struct usb_device *dev)
 		wake_up_all(&ds->wait);
 		list_del_init(&ds->list);
 		if (ds->discsignr) {
-			sinfo.si_signo = SIGPIPE;
+			sinfo.si_signo = ds->discsignr;
 			sinfo.si_errno = EPIPE;
 			sinfo.si_code = SI_ASYNCIO;
 			sinfo.si_addr = ds->disccontext;