From: Jon Mason <jon.mason@intel.com>
Date: Tue, 12 Feb 2013 16:52:50 +0000 (-0700)
Subject: NTB: Use DMA Engine to Transmit and Receive
X-Git-Tag: v3.12-rc1~99^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=282a2feeb9bfb1d1dfbad93df206b74eaf80d564;p=pandora-kernel.git

NTB: Use DMA Engine to Transmit and Receive

Allocate and use a DMA engine channel to transmit and receive data over
NTB.  If none is allocated, fall back to using the CPU to transfer data.

Signed-off-by: Jon Mason <jon.mason@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
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