powerpc/dma: remove the iommu fallback for coherent allocations

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All iommu capable platforms now always use the iommu code with the
internal bypass, so there is not need for this magic anymore.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christoph Hellwig 2019-02-13 08:01:17 +01:00 • committed by Michael Ellerman

parent 662acad406

commit e72849827a

2 changed files with 2 additions and 70 deletions

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4

arch/powerpc/Kconfig

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68

arch/powerpc/kernel/dma.c

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