dca: disable dca on IOAT ver.3.0 multiple-IOH platforms
authorSosnowski, Maciej <maciej.sosnowski@intel.com>
Thu, 16 Sep 2010 06:02:26 +0000 (06:02 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 18 Sep 2010 03:08:21 +0000 (20:08 -0700)
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>
drivers/dca/dca-core.c

Simple merge