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| author | Alan Stern <stern@rowland.harvard.edu> | 2012-10-01 10:31:53 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-22 11:10:24 -0700 |
| commit | a03bede5c73a6876fa891cfe82a65460dc9f4698 (patch) | |
| tree | 608948e319564fce6a5cf68bc3ad09c1cdf5e010 /Documentation/usb | |
| parent | 72675479925f53af051ae8a78bcfafeaa47b3eef (diff) | |
| download | lwn-a03bede5c73a6876fa891cfe82a65460dc9f4698.tar.gz lwn-a03bede5c73a6876fa891cfe82a65460dc9f4698.zip | |
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/usb')
| -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: d) ISO: number_of_packets is < 0 e) various other cases --EAGAIN a) specified ISO start frame too early - b) (using ISO-ASAP) too much scheduled for the future - wait some time and try again. +-EXDEV ISO: URB_ISO_ASAP wasn't specified and all the frames + the URB would be scheduled in have already expired. -EFBIG Host controller driver can't schedule that many ISO frames. |