diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h
index 00b3a296777f..4ea8496c7107 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -67,6 +67,7 @@ struct ocrdma_dev_attr {
 	int max_mr;
 	u64 max_mr_size;
 	u32 max_num_mr_pbl;
+	int max_mw;
 	int max_fmr;
 	int max_map_per_fmr;
 	int max_pages_per_frmr;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 6eedd2d56d85..f1ec9d9a7224 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -1016,6 +1016,7 @@ static void ocrdma_get_attr(struct ocrdma_dev *dev,
 	attr->local_ca_ack_delay = (rsp->max_pd_ca_ack_delay &
 				    OCRDMA_MBX_QUERY_CFG_CA_ACK_DELAY_MASK) >>
 	    OCRDMA_MBX_QUERY_CFG_CA_ACK_DELAY_SHIFT;
+	attr->max_mw = rsp->max_mw;
 	attr->max_mr = rsp->max_mr;
 	attr->max_mr_size = ~0ull;
 	attr->max_fmr = 0;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 2b56c4288680..95eeeeb1251b 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -89,7 +89,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
 	attr->max_cq = dev->attr.max_cq;
 	attr->max_cqe = dev->attr.max_cqe;
 	attr->max_mr = dev->attr.max_mr;
-	attr->max_mw = 0;
+	attr->max_mw = dev->attr.max_mw;
 	attr->max_pd = dev->attr.max_pd;
 	attr->atomic_cap = 0;
 	attr->max_fmr = 0;