Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus

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;