| commit | 1902cbcc8ba16b5481bd7d3d7759f471a6829842 | [log] [tgz] |
|---|---|---|
| author | Christoph Hellwig <hch@lst.de> | Thu Jul 19 06:02:29 2018 -0700 |
| committer | Stafford Horne <shorne@gmail.com> | Sat Jul 21 13:49:48 2018 +0900 |
| tree | 666295d9ff6eacd145dee515b14a08f78cf0973e | |
| parent | 1e4b044d22517cae7047c99038abb444423243ca [diff] |
openrisc: remove the sync_single_for_cpu DMA operation openrisc does all the required cache maintainance at dma map time, and none at unmap time. It thus has to implement sync_single_for_device to match the map cace for buffer reuse, but there is no point in doing another invalidation in the sync_single_cpu_case, which in terms of cache maintainance is equivalent to the unmap case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Stafford Horne <shorne@gmail.com>