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authorPatrick Georgi <patrick@georgi-clan.de>2013-03-06 14:08:31 +0000
committerMarek Vasut <marex@denx.de>2013-03-18 18:58:54 +0100
commit8f62ca646fbad26b17f832cc3c2579080247de6e (patch)
treed21f4e48608e04cfff1d1a1cecfc89c4653f30bb /drivers/rtc/ds3231.c
parentc74b0116b6cd839babfc57b0eb83e4e989227f17 (diff)
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usb: ehci: Support interrupt transfers via periodic list
Interrupt transfers aren't meant to be used from the async list (the EHCI spec indicates trouble with low/full-speed intr on async). Build a periodic list instead, and provide an API to make use of it. Then, use that API from the existing interrupt transfer API. This provides support for USB keyboards using EHCI. Use timeouts to ensure we cannot get stuck in the keyboard scanning if something wrong happens (USB device unplugged or fatal I/O error) Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Signed-off-by: Julius Werner <jwerner@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/rtc/ds3231.c')
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