Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

[firefly-linux-kernel-4.4.55.git] / include / linux / usb.h

diff --git a/include/linux/usb.h b/include/linux/usb.h
index e63efeb378e3063403871c4045a6618ac9dd095f..73c7df4896074219ad76daee5e9eb0ba6e1a1976 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -623,7 +623,7 @@ extern struct usb_host_interface *usb_find_alt_setting(
  * USB hubs.  That makes it stay the same until systems are physically
  * reconfigured, by re-cabling a tree of USB devices or by moving USB host
  * controllers.  Adding and removing devices, including virtual root hubs
- * in host controller driver modules, does not change these path identifers;
+ * in host controller driver modules, does not change these path identifiers;
  * neither does rebooting or re-enumerating.  These are more useful identifiers
  * than changeable ("unstable") ones like bus numbers or device addresses.
  *
@@ -793,7 +793,7 @@ struct usbdrv_wrap {
  *     usb_set_intfdata() to associate driver-specific data with the
  *     interface.  It may also use usb_set_interface() to specify the
  *     appropriate altsetting.  If unwilling to manage the interface,
- *     return -ENODEV, if genuine IO errors occured, an appropriate
+ *     return -ENODEV, if genuine IO errors occurred, an appropriate
  *     negative errno value.
  * @disconnect: Called when the interface is no longer accessible, usually
  *     because its device has been (or is being) disconnected or the
@@ -806,8 +806,10 @@ struct usbdrv_wrap {
  * @resume: Called when the device is being resumed by the system.
  * @reset_resume: Called when the suspended device has been reset instead
  *     of being resumed.
- * @pre_reset: Called by usb_reset_device() when the device
- *     is about to be reset.
+ * @pre_reset: Called by usb_reset_device() when the device is about to be
+ *     reset.  This routine must not return until the driver has no active
+ *     URBs for the device, and no more URBs may be submitted until the
+ *     post_reset method is called.
  * @post_reset: Called by usb_reset_device() after the device
  *     has been reset
  * @id_table: USB drivers use ID table to support hotplugging.