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path: root/drivers/usb/core/hub.c
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Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index eb57fcc701d..8eb4da332f5 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1326,6 +1326,12 @@ void usb_disconnect(struct usb_device **pdev)
usb_unlock_device(udev);
+ /* Remove the device-specific files from sysfs. This must be
+ * done with udev unlocked, because some of the attribute
+ * routines try to acquire the device lock.
+ */
+ usb_remove_sysfs_dev_files(udev);
+
/* Unregister the device. The device driver is responsible
* for removing the device files from usbfs and sysfs and for
* de-configuring the device.
@@ -1541,6 +1547,9 @@ int usb_new_device(struct usb_device *udev)
goto fail;
}
+ /* put device-specific files into sysfs */
+ usb_create_sysfs_dev_files(udev);
+
/* Tell the world! */
announce_device(udev);
return err;
@@ -2744,7 +2753,11 @@ loop:
if ((status == -ENOTCONN) || (status == -ENOTSUPP))
break;
}
- dev_err(hub_dev, "unable to enumerate USB device on port %d\n", port1);
+ if (hub->hdev->parent ||
+ !hcd->driver->port_handed_over ||
+ !(hcd->driver->port_handed_over)(hcd, port1))
+ dev_err(hub_dev, "unable to enumerate USB device on port %d\n",
+ port1);
done:
hub_port_disable(hub, port1, 1);