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usb: dwc2: Implement SPLIT transaction support
authorStefan Brüns <stefan.bruens@rwth-aachen.de>
Sun, 17 Jan 2016 03:09:55 +0000 (04:09 +0100)
committerMarek Vasut <marex@denx.de>
Sat, 23 Jan 2016 15:21:11 +0000 (16:21 +0100)
commitb54e44705258c0443310ed12b8982707d7992fa8
tree4072a5c131399e70437c83e703d65b2244334b20tree | snapshot
parent890f0ee4bb454712c302bd9d235091cd3fe70931commit | diff
usb: dwc2: Implement SPLIT transaction support

In contrast to non-SPLIT transfers each transaction has to be submitted
as an individual chunk.
The transaction state machine proceeds from SSPLIT to CSPLIT if the ACK
flag is set. CSPLIT has to be repeated while NYET is set.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
drivers/usb/host/dwc2.c diff | blob | history
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