From 53f2346d0255010d26ca6d65d22bbbddb2dc3b1f Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 2 Sep 2008 14:16:11 +0200 Subject: [PATCH] --- yaml --- r: 115755 b: refs/heads/master c: d1b1944085ab2345fae4a5fbb614f1a4d0732d3e h: refs/heads/master i: 115753: 7e4aee99684af26e1cde66141a487b82f7990c64 115751: 759719f64995468b6b0967648436c20db53b28d3 v: v3 --- [refs] | 2 +- trunk/Documentation/usb/anchors.txt | 17 +++++++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index f3a4c5061063..fd2304825266 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 4a511bc3f5829bc18428bcf11c25417a79d09396 +refs/heads/master: d1b1944085ab2345fae4a5fbb614f1a4d0732d3e diff --git a/trunk/Documentation/usb/anchors.txt b/trunk/Documentation/usb/anchors.txt index 5e6b64c20d25..6f24f566955a 100644 --- a/trunk/Documentation/usb/anchors.txt +++ b/trunk/Documentation/usb/anchors.txt @@ -52,6 +52,11 @@ 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_scuttle_anchored_urbs() +--------------------------- + +All URBs of an anchor are unanchored en masse. + usb_wait_anchor_empty_timeout() ------------------------------- @@ -59,4 +64,16 @@ 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. +usb_anchor_empty() +------------------ + +Returns true if no URBs are associated with an anchor. Locking +is the caller's responsibility. + +usb_get_from_anchor() +--------------------- +Returns the oldest anchored URB of an anchor. The URB is unanchored +and returned with a reference. As you may mix URBs to several +destinations in one anchor you have no guarantee the chronologically +first submitted URB is returned. \ No newline at end of file