ioat3: enable dca for completion writes
authorDan Williams <dan.j.williams@intel.com>
Wed, 9 Sep 2009 00:42:57 +0000 (17:42 -0700)
committerDan Williams <dan.j.williams@intel.com>
Wed, 9 Sep 2009 00:42:57 +0000 (17:42 -0700)
commite61dacaeb3918cd00cd642e8fb0828324ac59819
tree70c4acf1cf33502bdca8da16bd88c0daab2bbc29
parent5669e31c5a4874f1634bc0ffba268a6e2fa0cdd2
ioat3: enable dca for completion writes

Tag completion writes for direct cache access to reduce the latency of
checking for descriptor completions.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/dma/ioat/dma_v3.c
drivers/dma/ioat/registers.h