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author | Nico Huber <nico.huber@secunet.com> | 2012-11-20 17:49:00 +0100 |
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committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-11-24 08:43:49 +0100 |
commit | 8c4d2f36a339ba34c532e29696f2c5b70fb04957 (patch) | |
tree | 5b93035eca2db4f38a646d87e92829bab29a1a42 /util/cbmem | |
parent | ce407e470d36bd446e7e1f02884c97a98423d5c4 (diff) |
libpayload: Handle underruns in UHCI interrupt queues
If usb_poll() isn't called fast enough, the UHCI controller marks an
underrun interrupt queue as done (terminating the queue at the head).
We can recover from this situation, when usb_poll() gets called again,
and the queue is processed.
Change-Id: Id56c9df44d6dbd53cd30ad89dfb5bf5977799829
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1898
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'util/cbmem')
0 files changed, 0 insertions, 0 deletions