diff options
Diffstat (limited to 'drivers/usb/gadget/udc/core.c')
| -rw-r--r-- | drivers/usb/gadget/udc/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 87d6b12779f2..7cf34beb50df 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -281,10 +281,10 @@ EXPORT_SYMBOL_GPL(usb_ep_queue); * @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 - * completion routine is called (with status -ECONNRESET); else a negative - * error code is returned. This is guaranteed to happen before the call to - * usb_ep_dequeue() returns. + * If the request is still active on the endpoint, it is dequeued and + * eventually its completion routine is called (with status -ECONNRESET); + * else a negative error code is returned. This routine is asynchronous, + * that is, it may return before the completion routine runs. * * 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 |