From 697e04db5678fadf96d437806b676403ebee806d Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 2 Sep 2008 10:52:08 +0200 Subject: USB: update of Documentation/usb/anchors.txt The extended anchor API is documented Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- Documentation/usb/anchors.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'Documentation/usb') diff --git a/Documentation/usb/anchors.txt b/Documentation/usb/anchors.txt index 7304bcf5a30..5e6b64c20d2 100644 --- a/Documentation/usb/anchors.txt +++ b/Documentation/usb/anchors.txt @@ -42,9 +42,21 @@ This function kills all URBs associated with an anchor. The URBs are called in the reverse temporal order they were submitted. This way no data can be reordered. +usb_unlink_anchored_urbs() +-------------------------- + +This function unlinks all URBs associated with an anchor. The URBs +are processed in the reverse temporal order they were submitted. +This is similar to usb_kill_anchored_urbs(), but it will not sleep. +Therefore no guarantee is made that the URBs have been unlinked when +the call returns. They may be unlinked later but will be unlinked in +finite time. + usb_wait_anchor_empty_timeout() ------------------------------- This function waits for all URBs associated with an anchor to finish or a timeout, whichever comes first. Its return value will tell you whether the timeout was reached. + + -- cgit v1.2.3