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authorLior Amsalem <alior@marvell.com>2015-05-26 15:07:34 +0200
committerVinod Koul <vinod.koul@intel.com>2015-06-10 22:18:30 +0530
commit6f166312c6ea2c010c6425c48506d2bbad491c03 (patch)
tree0627dad8afc1a66825e80e137c57d89f579e0aa0 /firmware/radeon
parent0951e728ff19d81a7b66ffbea2d449d2c0aa7645 (diff)
downloadblackbird-op-linux-6f166312c6ea2c010c6425c48506d2bbad491c03.tar.gz
blackbird-op-linux-6f166312c6ea2c010c6425c48506d2bbad491c03.zip
dmaengine: mv_xor: add support for a38x command in descriptor mode
The Marvell Armada 38x SoC introduce new features to the XOR engine, especially the fact that the engine mode (MEMCPY/XOR/PQ/etc) can be part of the descriptor and not set through the controller registers. This new feature allows mixing of different commands (even PQ) on the same channel/chain without the need to stop the engine to reconfigure the engine mode. Refactor the driver to be able to use that new feature on the Armada 38x, while keeping the old behaviour on the older SoCs. Signed-off-by: Lior Amsalem <alior@marvell.com> Reviewed-by: Ofer Heifetz <oferh@marvell.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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