diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2012-10-01 10:31:53 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-22 14:10:24 -0400 |
| commit | a03bede5c73a6876fa891cfe82a65460dc9f4698 (patch) | |
| tree | 608948e319564fce6a5cf68bc3ad09c1cdf5e010 /Documentation | |
| parent | 72675479925f53af051ae8a78bcfafeaa47b3eef (diff) | |
USB: update documentation for URB_ISO_ASAP
This patch (as1611) updates the USB documentation and kerneldoc to
give a more precise meaning for the URB_ISO_ASAP flag and to explain
more of the details of scheduling for isochronous URBs.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/usb/error-codes.txt | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt index b3f606b81a03..8d1e2a9ebbba 100644 --- a/Documentation/usb/error-codes.txt +++ b/Documentation/usb/error-codes.txt | |||
| @@ -35,9 +35,8 @@ USB-specific: | |||
| 35 | d) ISO: number_of_packets is < 0 | 35 | d) ISO: number_of_packets is < 0 |
| 36 | e) various other cases | 36 | e) various other cases |
| 37 | 37 | ||
| 38 | -EAGAIN a) specified ISO start frame too early | 38 | -EXDEV ISO: URB_ISO_ASAP wasn't specified and all the frames |
| 39 | b) (using ISO-ASAP) too much scheduled for the future | 39 | the URB would be scheduled in have already expired. |
| 40 | wait some time and try again. | ||
| 41 | 40 | ||
| 42 | -EFBIG Host controller driver can't schedule that many ISO frames. | 41 | -EFBIG Host controller driver can't schedule that many ISO frames. |
| 43 | 42 | ||