commit | dd4645ebb7d100bb04ba38ec58b499cbe95322fa | [log] [tgz] |
---|---|---|
author | Dave Jiang <dave.jiang@intel.com> | Wed Feb 10 15:00:32 2016 -0700 |
committer | Vinod Koul <vinod.koul@intel.com> | Mon Feb 15 23:06:53 2016 +0530 |
tree | 3d1a8fff4a89b359952d77249dcccc5a9cc9276c | |
parent | cd60cd96137f6cb3ea82cace9225626619e7a52d [diff] |
dmaengine: IOATDMA: Allocate DMA descriptor ring in contig DMA memory Future IOATDMA hardware will take advantage of descriptors residing in contiguous memory. Setting the descriptor ring in max config DMA memory of 2MB. Each channel will need 2 of these chunks. This should provide 64k of 64B descriptors. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>