tree 8eac6444ea80bf05f461eb77243f56b008ee5083
parent 06164f3194e01ea4c76941ac60f541d656c8975f
author Dan Williams <dan.j.williams@intel.com> 1237997605 -0700
committer Dan Williams <dan.j.williams@intel.com> 1237997605 -0700

dmaengine: allow dma support for async_tx to be toggled

Provide a config option for blocking the allocation of dma channels to
the async_tx api.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>