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Subjectadd support for the global coherent pool to the dma core
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Hi all,

this series adds support for using the global coherent (aka uncached)
pool to the generic dma-direct code and then switches arm-nommu and
hexagon over to it, together with a bunch of cleanups.

Diffstat:
arch/arm/Kconfig | 5 -
arch/arm/mm/dma-mapping-nommu.c | 173 +---------------------------------------
arch/hexagon/Kconfig | 1
arch/hexagon/kernel/dma.c | 57 ++-----------
include/linux/dma-map-ops.h | 18 ++--
kernel/dma/Kconfig | 4
kernel/dma/coherent.c | 159 +++++++++++++++++-------------------
kernel/dma/direct.c | 15 +++
8 files changed, 124 insertions(+), 308 deletions(-)

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