openrisc: fix cache maintainance the the sync_single_for_device DMA operation

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The cache maintaince in the sync_single_for_device operation should be
equivalent to the map_page operation to facilitate reusing buffers.  Fix the
openrisc implementation by moving the cache maintaince performed in map_page
into the sync_single method, and calling that from map_page.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Stafford Horne <shorne@gmail.com>

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Christoph Hellwig 2018-07-19 06:02:31 -07:00 • committed by Stafford Horne

parent dcc9c91944

commit 2c1de929ae

1 changed files with 19 additions and 23 deletions

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arch/openrisc/kernel/dma.c

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