unicore32: remove swiotlb support

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unicore32 is a bog standard 32-bit port without larger physical address
space, highmem or any other obvious addressing limitation.  There should
be no need to bounce buffer using swiotlb.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Guan Xuetao <gxt@pku.edu.cn>

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This commit is contained in:

Christoph Hellwig 2018-08-25 08:46:34 +02:00

parent 1a0afc14b5

commit b733116fea

4 changed files with 2 additions and 26 deletions

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2

arch/unicore32/Kconfig

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1

arch/unicore32/include/asm/Kbuild

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22

arch/unicore32/include/asm/dma-mapping.h

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3

arch/unicore32/mm/init.c

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