Merge branch 'for-linus' of git://twin.jikos.cz/jikos/hid

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

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 65f78ca5d88e44f1faef15c7a551ad51c0db24b6..73c7df4896074219ad76daee5e9eb0ba6e1a1976 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -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.