tree f72c66743db9a0d5a4f41193c0a74ee4f1d8190a
parent 1cb8e85a9d9da4192acfb5f70a80b0c5ce8c3e8f
author Nishanth Aravamudan <nacc@us.ibm.com> 1284537946 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1286947161 +1100

powerpc/dma: Fix check for direct DMA support

The current check is wrong because it does not take the DMA offset intot
account, and in the case of a driver which doesn't actually support
64bits would falsely report that device as working.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>