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authorChristoph Hellwig <hch@lst.de>2019-06-03 12:54:13 +0200
committerChristoph Hellwig <hch@lst.de>2019-06-25 08:14:39 +0200
commit961729bfc73e698be19305834805592227bd09e3 (patch)
tree21d68caded55e364bcea7e17bf349ec2566320f9 /kernel/dma
parent80e61fcd23946cb222f780a49ab2eeb7ef1d3749 (diff)
downloadlinux-961729bfc73e698be19305834805592227bd09e3.tar.gz
openrisc: remove the partial DMA_ATTR_NON_CONSISTENT support
The openrisc DMA code supports DMA_ATTR_NON_CONSISTENT allocations, but
does not provide a cache_sync operation.  This means any user of it
will never be able to actually transfer cache ownership and thus cause
coherency bugs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stafford Horne <shorne@gmail.com>
Diffstat (limited to 'kernel/dma')
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