[IB] mthca: Report correct atomic capability

Return correct atomic capability flag from mthca query function.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 3f5319a..141509d 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -99,6 +99,8 @@
 	props->max_qp_rd_atom      = 1 << mdev->qp_table.rdb_shift;
 	props->max_qp_init_rd_atom = 1 << mdev->qp_table.rdb_shift;
 	props->local_ca_ack_delay  = mdev->limits.local_ca_ack_delay;
+	props->atomic_cap          = mdev->limits.flags & DEV_LIM_FLAG_ATOMIC ? 
+					IB_ATOMIC_HCA : IB_ATOMIC_NONE;
 
 	err = 0;
  out: