Document the requirement that the request be dequeued and its completion routine called before usb_ep_dequeue() returns. Also fix some capitalization issues in the existing text.
Signed-off-by: Paul Zimmerman <[email protected]> Acked-by: Alan Stern <[email protected]> --- include/linux/usb/gadget.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index c3a6185..c540557 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -345,12 +345,13 @@ static inline int usb_ep_queue(struct usb_ep *ep, * @ep:the endpoint associated with the request * @req:the request being canceled * - * if the request is still active on the endpoint, it is dequeued and its + * If the request is still active on the endpoint, it is dequeued and its * completion routine is called (with status -ECONNRESET); else a negative - * error code is returned. + * error code is returned. This is guaranteed to happen before the call to + * usb_ep_dequeue() returns. * - * note that some hardware can't clear out write fifos (to unlink the request - * at the head of the queue) except as part of disconnecting from usb. such + * Note that some hardware can't clear out write fifos (to unlink the request + * at the head of the queue) except as part of disconnecting from usb. Such * restrictions prevent drivers from supporting configuration changes, * even to configuration zero (a "chapter 9" requirement). */ -- 2.0.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
