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| author | Oliver Neukum <oliver@neukum.org> | 2008-09-02 10:52:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-09-23 13:58:07 -0700 |
| commit | 697e04db5678fadf96d437806b676403ebee806d (patch) | |
| tree | 37f987ded9ef8e14cc8188d106ad5727f13b923f /Documentation/usb | |
| parent | 83a798207361cc26385187b2e71efa2b5d75de7f (diff) | |
| download | lwn-697e04db5678fadf96d437806b676403ebee806d.tar.gz lwn-697e04db5678fadf96d437806b676403ebee806d.zip | |
USB: update of Documentation/usb/anchors.txt
The extended anchor API is documented
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/usb')
| -rw-r--r-- | Documentation/usb/anchors.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/usb/anchors.txt b/Documentation/usb/anchors.txt index 7304bcf5a306..5e6b64c20d25 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. + + |