diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2013-05-29 13:20:00 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-30 21:34:30 +0900 |
| commit | 9db33f317432d1a9e22116092c6455ae71bf73fc (patch) | |
| tree | 955504b8b7659bf2a9c912d7add3b10da2e7e543 /tools/perf/scripts/python/netdev-times.py | |
| parent | 8a1ea51f87a6149c3263a63e9c60d852bedbecd7 (diff) | |
USB: IMX21: upgrade the isochronous API
This patch attempts to update the imx21-hcd driver to the current
standard for the isochronous API. Firstly, urb->start_frame should
always be set by the driver; it is not an input parameter. Secondly,
the URB_ISO_ASAP flag matters only when an URB is submitted to a
stream that has gotten an underrun. It causes the URB to be scheduled
for the next available slot in the future, rather than the earliest
unused (and expired) slot.
Unfortunately, I don't have any way to test these changes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Sascha Hauer <kernel@pengutronix.de>
CC: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions