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| -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 | |||
| 42 | are called in the reverse temporal order they were submitted. | 42 | are called in the reverse temporal order they were submitted. |
| 43 | This way no data can be reordered. | 43 | This way no data can be reordered. |
| 44 | 44 | ||
| 45 | usb_unlink_anchored_urbs() | ||
| 46 | -------------------------- | ||
| 47 | |||
| 48 | This function unlinks all URBs associated with an anchor. The URBs | ||
| 49 | are processed in the reverse temporal order they were submitted. | ||
| 50 | This is similar to usb_kill_anchored_urbs(), but it will not sleep. | ||
| 51 | Therefore no guarantee is made that the URBs have been unlinked when | ||
| 52 | the call returns. They may be unlinked later but will be unlinked in | ||
| 53 | finite time. | ||
| 54 | |||
| 45 | usb_wait_anchor_empty_timeout() | 55 | usb_wait_anchor_empty_timeout() |
| 46 | ------------------------------- | 56 | ------------------------------- |
| 47 | 57 | ||
| 48 | This function waits for all URBs associated with an anchor to finish | 58 | This function waits for all URBs associated with an anchor to finish |
| 49 | or a timeout, whichever comes first. Its return value will tell you | 59 | or a timeout, whichever comes first. Its return value will tell you |
| 50 | whether the timeout was reached. | 60 | whether the timeout was reached. |
| 61 | |||
| 62 | |||