mips,unicore32: swiotlb doesn't need sg->dma_length

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Only mips and unicore32 select CONFIG_NEED_SG_DMA_LENGTH when building
swiotlb.  swiotlb itself never merges segements and doesn't accesses the
dma_length field directly, so drop the dependency.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: James Hogan <jhogan@kernel.org>

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Christoph Hellwig 2018-04-24 08:58:47 +02:00

parent f21254cdd1

commit 8d9b409b1a

3 changed files with 0 additions and 3 deletions

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arch/mips/cavium-octeon/Kconfig

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arch/mips/loongson64/Kconfig

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arch/unicore32/mm/Kconfig

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