tree 1271fd6bab1aeda1254b8d6a48d8dcd2a25e87f2
parent f0f9deae9e7c421fa0c1c627beb8e174325e1ba7
author Sosnowski, Maciej <maciej.sosnowski@intel.com> 1284616946 +0000
committer David S. Miller <davem@davemloft.net> 1284779301 -0700

dca: disable dca on IOAT ver.3.0 multiple-IOH platforms

Direct Cache Access is not supported on IOAT ver.3.0 multiple-IOH platforms.
This patch blocks registering of dca providers when multiple IOH detected with IOAT ver.3.0.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>