nds32: DMA mapping API

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This patch adds support for the DMA mapping API. It uses dma_map_ops for
flexibility.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

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Greentime Hu 2017-10-24 16:22:35 +08:00

parent 4a64f68dbd

commit 80081b3391

2 changed files with 491 additions and 0 deletions

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14

arch/nds32/include/asm/dma-mapping.h

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477

arch/nds32/kernel/dma.c

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