diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index ba515ef..17d4871 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -205,6 +205,7 @@ int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
 		port_attr->phys_state = IB_PORT_PHYS_STATE_DISABLED;
 	}
 	port_attr->max_mtu = IB_MTU_4096;
+	port_attr->phys_mtu = ib_mtu_enum_to_int(port_attr->max_mtu);
 	port_attr->active_mtu = iboe_get_mtu(rdev->netdev->mtu);
 	port_attr->gid_tbl_len = dev_attr->max_sgid;
 	port_attr->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP |
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 1f1f856..09a995b 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -311,6 +311,7 @@ static int c4iw_query_port(struct ib_device *ibdev, u8 port,
 	    IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
 	props->gid_tbl_len = 1;
 	props->max_msg_sz = -1;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 
 	return ret;
 }
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 479b604..1a426c0 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -261,6 +261,7 @@ int efa_query_port(struct ib_device *ibdev, u8 port,
 	props->active_speed = IB_SPEED_EDR;
 	props->active_width = IB_WIDTH_4X;
 	props->max_mtu = ib_mtu_int_to_enum(dev->dev_attr.mtu);
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu = ib_mtu_int_to_enum(dev->dev_attr.mtu);
 	props->max_msg_sz = dev->dev_attr.mtu;
 	props->max_vl_num = 1;
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 1a747f7..0fb46eb 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -228,6 +228,7 @@ static int hns_roce_query_port(struct ib_device *ib_dev, u8 port_num,
 	/* props being zeroed by the caller, avoid zeroing it here */
 
 	props->max_mtu = hr_dev->caps.max_mtu;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	props->gid_tbl_len = hr_dev->caps.gid_table_len[port];
 	props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP |
 				IB_PORT_VENDOR_CLASS_SUP |
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
index 375b774..0e76968 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -104,6 +104,7 @@ static int i40iw_query_port(struct ib_device *ibdev,
 	props->active_width = IB_WIDTH_4X;
 	props->active_speed = 1;
 	props->max_msg_sz = I40IW_MAX_OUTBOUND_MESSAGE_SIZE;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	return 0;
 }
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index f26a0d9..a33a7b7 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -702,6 +702,7 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
 	props->active_width	= out_mad->data[31] & 0xf;
 	props->active_speed	= out_mad->data[35] >> 4;
 	props->max_mtu		= out_mad->data[41] & 0xf;
+	props->phys_mtu		= ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu	= out_mad->data[36] >> 4;
 	props->subnet_timeout	= out_mad->data[51] & 0x1f;
 	props->max_vl_num	= out_mad->data[37] >> 4;
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 652c6cc..9a1806d 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -555,6 +555,7 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
 	props->active_width	= out_mad->data[31] & 0xf;
 	props->active_speed	= out_mad->data[35] >> 4;
 	props->max_mtu		= out_mad->data[41] & 0xf;
+	props->phys_mtu		= ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu	= out_mad->data[36] >> 4;
 	props->subnet_timeout	= out_mad->data[51] & 0x1f;
 	props->max_vl_num	= out_mad->data[37] >> 4;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 9ff28f7..732e5ce 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -511,6 +511,7 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num,
 		props->qkey_viol_cntr = qkey_viol_cntr;
 	}
 	props->max_mtu          = IB_MTU_4096;
+	props->phys_mtu		= ib_mtu_enum_to_int(props->max_mtu);
 	props->max_msg_sz       = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg);
 	props->pkey_tbl_len     = 1;
 	props->state            = IB_PORT_DOWN;
@@ -1321,6 +1322,7 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
 	mlx5_query_port_max_mtu(mdev, &max_mtu, port);
 
 	props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu);
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 
 	mlx5_query_port_oper_mtu(mdev, &oper_mtu, port);
 
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 1a3dd07..87f7b11 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -164,6 +164,7 @@ static int mthca_query_port(struct ib_device *ibdev,
 	props->active_width      = out_mad->data[31] & 0xf;
 	props->active_speed      = out_mad->data[35] >> 4;
 	props->max_mtu           = out_mad->data[41] & 0xf;
+	props->phys_mtu		 = ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu        = out_mad->data[36] >> 4;
 	props->subnet_timeout    = out_mad->data[51] & 0x1f;
 	props->max_vl_num        = out_mad->data[37] >> 4;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 3acb5c1..d0496c1 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -167,6 +167,7 @@ int ocrdma_query_port(struct ib_device *ibdev,
 		props->phys_state = IB_PORT_PHYS_STATE_DISABLED;
 	}
 	props->max_mtu = IB_MTU_4096;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu = iboe_get_mtu(netdev->mtu);
 	props->lid = 0;
 	props->lmc = 0;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 8e0de26..0534a12 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1209,6 +1209,7 @@ static int qib_query_port(struct rvt_dev_info *rdi, u8 port_num,
 	props->max_vl_num = qib_num_vls(ppd->vls_supported);
 
 	props->max_mtu = qib_ibmtu ? qib_ibmtu : IB_MTU_4096;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	switch (ppd->ibmtu) {
 	case 4096:
 		mtu = IB_MTU_4096;
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 3705c6b..a83eaf0 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -373,6 +373,7 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
 	props->bad_pkey_cntr = 0;
 	props->qkey_viol_cntr = 0;
 	props->max_mtu = IB_MTU_4096;
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu = iboe_get_mtu(us_ibdev->ufdev->mtu);
 	/* Userspace will adjust for hdrs */
 	props->max_msg_sz = us_ibdev->ufdev->mtu;
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
index fc412cb..a40083ae 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
@@ -150,6 +150,7 @@ int pvrdma_query_port(struct ib_device *ibdev, u8 port,
 
 	props->state = pvrdma_port_state_to_ib(resp->attrs.state);
 	props->max_mtu = pvrdma_mtu_to_ib(resp->attrs.max_mtu);
+	props->phys_mtu = ib_mtu_enum_to_int(props->max_mtu);
 	props->active_mtu = pvrdma_mtu_to_ib(resp->attrs.active_mtu);
 	props->gid_tbl_len = resp->attrs.gid_tbl_len;
 	props->port_cap_flags =
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c
index e389d44..8a5df31 100644
--- a/drivers/infiniband/sw/siw/siw_verbs.c
+++ b/drivers/infiniband/sw/siw/siw_verbs.c
@@ -173,6 +173,7 @@ int siw_query_port(struct ib_device *base_dev, u8 port,
 	attr->gid_tbl_len = 1;
 	attr->max_msg_sz = -1;
 	attr->max_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
+	attr->phys_mtu = ib_mtu_enum_to_int(attr->max_mtu);
 	attr->active_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
 	attr->phys_state = sdev->state == IB_PORT_ACTIVE ?
 		IB_PORT_PHYS_STATE_LINK_UP : IB_PORT_PHYS_STATE_DISABLED;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 2fb2fa16..4ca6150 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1865,7 +1865,7 @@ static int ipoib_parent_init(struct net_device *ndev)
 			priv->port);
 		return result;
 	}
-	priv->max_ib_mtu = rdma_mtu_from_attr(priv->ca, priv->port, &attr);
+	priv->max_ib_mtu = attr.phys_mtu;
 
 	result = ib_query_pkey(priv->ca, priv->port, 0, &priv->pkey);
 	if (result) {
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 84f7084..221c5b2 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -3338,23 +3338,6 @@ static inline int rdma_mtu_enum_to_int(struct ib_device *device, u8 port,
 		return ib_mtu_enum_to_int((enum ib_mtu)mtu);
 }
 
-/**
- * rdma_mtu_from_attr - Return the mtu of the port from the port attribute.
- * @device: Device
- * @port_num: Port number
- * @attr: port attribute
- *
- * Return the MTU size supported by the port as an integer value.
- */
-static inline int rdma_mtu_from_attr(struct ib_device *device, u8 port,
-				     struct ib_port_attr *attr)
-{
-	if (rdma_core_cap_opa_port(device, port))
-		return attr->phys_mtu;
-	else
-		return ib_mtu_enum_to_int(attr->max_mtu);
-}
-
 int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port,
 			 int state);
 int ib_get_vf_config(struct ib_device *device, int vf, u8 port,
