Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Lots of overlapping changes and parallel additions, stuff
like that.

Signed-off-by: David S. Miller <davem@davemloft.net>

27 files changed, 139 insertions, 47 deletions

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 77f3511b97de..ca3aa1250dd1 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6280,6 +6280,10 @@ static int tg3_ptp_enable(struct ptp_clock_info *ptp,
 
 	switch (rq->type) {
 	case PTP_CLK_REQ_PEROUT:
+		/* Reject requests with unsupported flags */
+		if (rq->perout.flags)
+			return -EOPNOTSUPP;
+
 		if (rq->perout.index != 0)
 			return -EINVAL;
 
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index f1a0c4dceda0..f37c9a08c4cf 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -763,6 +763,7 @@ static int ep93xx_eth_remove(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct ep93xx_priv *ep;
+	struct resource *mem;
 
 	dev = platform_get_drvdata(pdev);
 	if (dev == NULL)
@@ -778,8 +779,8 @@ static int ep93xx_eth_remove(struct platform_device *pdev)
 		iounmap(ep->base_addr);
 
 	if (ep->res != NULL) {
-		release_resource(ep->res);
-		kfree(ep->res);
+		mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+		release_mem_region(mem->start, resource_size(mem));
 	}
 
 	free_netdev(dev);
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index e736ce2c58ca..a8f4c69252ff 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2524,6 +2524,7 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev)
 	struct gemini_ethernet_port *port = platform_get_drvdata(pdev);
 
 	gemini_port_remove(port);
+	free_netdev(port->netdev);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index c26c0a7cbb6b..11538e59f587 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -2260,8 +2260,16 @@ err_set_cdan:
 err_service_reg:
 	free_channel(priv, channel);
 err_alloc_ch:
-	if (err == -EPROBE_DEFER)
+	if (err == -EPROBE_DEFER) {
+		for (i = 0; i < priv->num_channels; i++) {
+			channel = priv->channel[i];
+			nctx = &channel->nctx;
+			dpaa2_io_service_deregister(channel->dpio, nctx, dev);
+			free_channel(priv, channel);
+		}
+		priv->num_channels = 0;
 		return err;
+	}
 
 	if (cpumask_empty(&priv->dpio_cpumask)) {
 		dev_err(dev, "No cpu with an affine DPIO/DPCON\n");
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index b104d3c3b757..6e0212b79438 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -70,11 +70,6 @@ static const struct hns3_stats hns3_rxq_stats[] = {
 #define HNS3_NIC_LB_TEST_TX_CNT_ERR	2
 #define HNS3_NIC_LB_TEST_RX_CNT_ERR	3
 
-struct hns3_link_mode_mapping {
-	u32 hns3_link_mode;
-	u32 ethtool_link_mode;
-};
-
 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
 {
 	struct hnae3_handle *h = hns3_get_handle(ndev);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
index 49ad8483723d..d6c3952aba04 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
@@ -124,7 +124,7 @@ static int hclge_ets_validate(struct hclge_dev *hdev, struct ieee_ets *ets,
 	if (ret)
 		return ret;
 
-	for (i = 0; i < HNAE3_MAX_TC; i++) {
+	for (i = 0; i < hdev->tc_max; i++) {
 		switch (ets->tc_tsa[i]) {
 		case IEEE_8021QAZ_TSA_STRICT:
 			if (hdev->tm_info.tc_info[i].tc_sch_mode !=
@@ -318,6 +318,7 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc)
 	struct net_device *netdev = h->kinfo.netdev;
 	struct hclge_dev *hdev = vport->back;
 	u8 i, j, pfc_map, *prio_tc;
+	int ret;
 
 	if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) ||
 	    hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE)
@@ -347,7 +348,21 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc)
 
 	hclge_tm_pfc_info_update(hdev);
 
-	return hclge_pause_setup_hw(hdev, false);
+	ret = hclge_pause_setup_hw(hdev, false);
+	if (ret)
+		return ret;
+
+	ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
+	if (ret)
+		return ret;
+
+	ret = hclge_buffer_alloc(hdev);
+	if (ret) {
+		hclge_notify_client(hdev, HNAE3_UP_CLIENT);
+		return ret;
+	}
+
+	return hclge_notify_client(hdev, HNAE3_UP_CLIENT);
 }
 
 /* DCBX configuration */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index eb14c43e4a90..7c7038676d6d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -6366,11 +6366,23 @@ static int hclge_config_switch_param(struct hclge_dev *hdev, int vfid,
 
 	func_id = hclge_get_port_number(HOST_PORT, 0, vfid, 0);
 	req = (struct hclge_mac_vlan_switch_cmd *)desc.data;
+
+	/* read current config parameter */
 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_SWITCH_PARAM,
-				   false);
+				   true);
 	req->roce_sel = HCLGE_MAC_VLAN_NIC_SEL;
 	req->func_id = cpu_to_le32(func_id);
-	req->switch_param = switch_param;
+
+	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"read mac vlan switch parameter fail, ret = %d\n", ret);
+		return ret;
+	}
+
+	/* modify and write new config parameter */
+	hclge_cmd_reuse_desc(&desc, false);
+	req->switch_param = (req->switch_param & param_mask) | switch_param;
 	req->param_mask = param_mask;
 
 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index fd3071f55bd3..c39e921757ba 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -521,6 +521,19 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,
 
 	switch (rq->type) {
 	case PTP_CLK_REQ_EXTTS:
+		/* Reject requests with unsupported flags */
+		if (rq->extts.flags & ~(PTP_ENABLE_FEATURE |
+					PTP_RISING_EDGE |
+					PTP_FALLING_EDGE |
+					PTP_STRICT_FLAGS))
+			return -EOPNOTSUPP;
+
+		/* Reject requests failing to enable both edges. */
+		if ((rq->extts.flags & PTP_STRICT_FLAGS) &&
+		    (rq->extts.flags & PTP_ENABLE_FEATURE) &&
+		    (rq->extts.flags & PTP_EXTTS_EDGES) != PTP_EXTTS_EDGES)
+			return -EOPNOTSUPP;
+
 		if (on) {
 			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_EXTTS,
 					   rq->extts.index);
@@ -551,6 +564,10 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,
 		return 0;
 
 	case PTP_CLK_REQ_PEROUT:
+		/* Reject requests with unsupported flags */
+		if (rq->perout.flags)
+			return -EOPNOTSUPP;
+
 		if (on) {
 			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_PEROUT,
 					   rq->perout.index);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
index 096a04a2f3e1..9343bf39cfac 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 CGX driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 CGX driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h
index fb3ba4968a9b..473d9751601f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 CGX driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 CGX driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/common.h b/drivers/net/ethernet/marvell/octeontx2/af/common.h
index baec832962df..784207bae5f8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/common.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index f143d7b31d73..a589748f1240 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index 168fb4ea6ab6..3803af9231c6 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
index 832810ad6b02..aa2727e6211a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index b252d8683aa7..51c206f4fe6f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
index be758c19648d..7ca599b973c0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
index f6a260d419fd..9d8942acc232 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Marvell OcteonTx2 RVU Admin Function driver
+/* SPDX-License-Identifier: GPL-2.0 */
+/*  Marvell OcteonTx2 RVU Admin Function driver
  *
  * Copyright (C) 2018 Marvell International Ltd.
  *
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 0059b290e095..43f97601b500 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -236,6 +236,19 @@ static int mlx5_extts_configure(struct ptp_clock_info *ptp,
 	if (!MLX5_PPS_CAP(mdev))
 		return -EOPNOTSUPP;
 
+	/* Reject requests with unsupported flags */
+	if (rq->extts.flags & ~(PTP_ENABLE_FEATURE |
+				PTP_RISING_EDGE |
+				PTP_FALLING_EDGE |
+				PTP_STRICT_FLAGS))
+		return -EOPNOTSUPP;
+
+	/* Reject requests to enable time stamping on both edges. */
+	if ((rq->extts.flags & PTP_STRICT_FLAGS) &&
+	    (rq->extts.flags & PTP_ENABLE_FEATURE) &&
+	    (rq->extts.flags & PTP_EXTTS_EDGES) == PTP_EXTTS_EDGES)
+		return -EOPNOTSUPP;
+
 	if (rq->extts.index >= clock->ptp_info.n_pins)
 		return -EINVAL;
 
@@ -290,6 +303,10 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp,
 	if (!MLX5_PPS_CAP(mdev))
 		return -EOPNOTSUPP;
 
+	/* Reject requests with unsupported flags */
+	if (rq->perout.flags)
+		return -EOPNOTSUPP;
+
 	if (rq->perout.index >= clock->ptp_info.n_pins)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c
index e177b1ae03f1..afe52463dc57 100644
--- a/drivers/net/ethernet/microchip/lan743x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan743x_ptp.c
@@ -492,6 +492,10 @@ static int lan743x_ptp_perout(struct lan743x_adapter *adapter, int on,
 	unsigned int index = perout_request->index;
 	struct lan743x_ptp_perout *perout = &ptp->perout[index];
 
+	/* Reject requests with unsupported flags */
+	if (perout_request->flags)
+		return -EOPNOTSUPP;
+
 	if (on) {
 		perout_pin = ptp_find_pin(ptp->ptp_clock, PTP_PF_PEROUT,
 					  perout_request->index);
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index a9c89d5d8898..9f88b5db4f89 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -955,6 +955,8 @@ enum RAVB_QUEUE {
 #define NUM_RX_QUEUE	2
 #define NUM_TX_QUEUE	2
 
+#define RX_BUF_SZ	(2048 - ETH_FCS_LEN + sizeof(__sum16))
+
 /* TX descriptors per packet */
 #define NUM_TX_DESC_GEN2	2
 #define NUM_TX_DESC_GEN3	1
@@ -1018,7 +1020,6 @@ struct ravb_private {
 	u32 dirty_rx[NUM_RX_QUEUE];	/* Producer ring indices */
 	u32 cur_tx[NUM_TX_QUEUE];
 	u32 dirty_tx[NUM_TX_QUEUE];
-	u32 rx_buf_sz;			/* Based on MTU+slack. */
 	struct napi_struct napi[NUM_RX_QUEUE];
 	struct work_struct work;
 	/* MII transceiver section. */
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 5ea14b5fbed8..4b13a184bfc7 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -230,7 +230,7 @@ static void ravb_ring_free(struct net_device *ndev, int q)
 					       le32_to_cpu(desc->dptr)))
 				dma_unmap_single(ndev->dev.parent,
 						 le32_to_cpu(desc->dptr),
-						 priv->rx_buf_sz,
+						 RX_BUF_SZ,
 						 DMA_FROM_DEVICE);
 		}
 		ring_size = sizeof(struct ravb_ex_rx_desc) *
@@ -293,9 +293,9 @@ static void ravb_ring_format(struct net_device *ndev, int q)
 	for (i = 0; i < priv->num_rx_ring[q]; i++) {
 		/* RX descriptor */
 		rx_desc = &priv->rx_ring[q][i];
-		rx_desc->ds_cc = cpu_to_le16(priv->rx_buf_sz);
+		rx_desc->ds_cc = cpu_to_le16(RX_BUF_SZ);
 		dma_addr = dma_map_single(ndev->dev.parent, priv->rx_skb[q][i]->data,
-					  priv->rx_buf_sz,
+					  RX_BUF_SZ,
 					  DMA_FROM_DEVICE);
 		/* We just set the data size to 0 for a failed mapping which
 		 * should prevent DMA from happening...
@@ -342,9 +342,6 @@ static int ravb_ring_init(struct net_device *ndev, int q)
 	int ring_size;
 	int i;
 
-	priv->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : ndev->mtu) +
-		ETH_HLEN + VLAN_HLEN + sizeof(__sum16);
-
 	/* Allocate RX and TX skb rings */
 	priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q],
 				  sizeof(*priv->rx_skb[q]), GFP_KERNEL);
@@ -354,7 +351,7 @@ static int ravb_ring_init(struct net_device *ndev, int q)
 		goto error;
 
 	for (i = 0; i < priv->num_rx_ring[q]; i++) {
-		skb = netdev_alloc_skb(ndev, priv->rx_buf_sz + RAVB_ALIGN - 1);
+		skb = netdev_alloc_skb(ndev, RX_BUF_SZ + RAVB_ALIGN - 1);
 		if (!skb)
 			goto error;
 		ravb_set_buffer_align(skb);
@@ -584,7 +581,7 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q)
 			skb = priv->rx_skb[q][entry];
 			priv->rx_skb[q][entry] = NULL;
 			dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr),
-					 priv->rx_buf_sz,
+					 RX_BUF_SZ,
 					 DMA_FROM_DEVICE);
 			get_ts &= (q == RAVB_NC) ?
 					RAVB_RXTSTAMP_TYPE_V2_L2_EVENT :
@@ -617,11 +614,11 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q)
 	for (; priv->cur_rx[q] - priv->dirty_rx[q] > 0; priv->dirty_rx[q]++) {
 		entry = priv->dirty_rx[q] % priv->num_rx_ring[q];
 		desc = &priv->rx_ring[q][entry];
-		desc->ds_cc = cpu_to_le16(priv->rx_buf_sz);
+		desc->ds_cc = cpu_to_le16(RX_BUF_SZ);
 
 		if (!priv->rx_skb[q][entry]) {
 			skb = netdev_alloc_skb(ndev,
-					       priv->rx_buf_sz +
+					       RX_BUF_SZ +
 					       RAVB_ALIGN - 1);
 			if (!skb)
 				break;	/* Better luck next round. */
@@ -1801,10 +1798,15 @@ static int ravb_do_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
 
 static int ravb_change_mtu(struct net_device *ndev, int new_mtu)
 {
-	if (netif_running(ndev))
-		return -EBUSY;
+	struct ravb_private *priv = netdev_priv(ndev);
 
 	ndev->mtu = new_mtu;
+
+	if (netif_running(ndev)) {
+		synchronize_irq(priv->emac_irq);
+		ravb_emac_init(ndev);
+	}
+
 	netdev_update_features(ndev);
 
 	return 0;
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index 9a42580693cb..6984bd5b7da9 100644
--- a/drivers/net/ethernet/renesas/ravb_ptp.c
+++ b/drivers/net/ethernet/renesas/ravb_ptp.c
@@ -182,6 +182,13 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp,
 	struct net_device *ndev = priv->ndev;
 	unsigned long flags;
 
+	/* Reject requests with unsupported flags */
+	if (req->flags & ~(PTP_ENABLE_FEATURE |
+			   PTP_RISING_EDGE |
+			   PTP_FALLING_EDGE |
+			   PTP_STRICT_FLAGS))
+		return -EOPNOTSUPP;
+
 	if (req->index)
 		return -EINVAL;
 
@@ -211,6 +218,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp,
 	unsigned long flags;
 	int error = 0;
 
+	/* Reject requests with unsupported flags */
+	if (req->flags)
+		return -EOPNOTSUPP;
+
 	if (req->index)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index eefb06d918c8..1c8d84ed8410 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -1227,7 +1227,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 dwmac_mux:
 	sun8i_dwmac_unset_syscon(gmac);
 dwmac_exit:
-	sun8i_dwmac_exit(pdev, plat_dat->bsp_priv);
+	stmmac_pltfr_remove(pdev);
 return ret;
 }
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
index 775db776b3cc..23fecf68f781 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
 // Copyright (c) 2017 Synopsys, Inc. and/or its affiliates.
 // stmmac Support for 5.xx Ethernet QoS cores
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index e908d80a1d6f..3b6e559aa0b9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
 /*
  * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
  * stmmac XGMAC definitions.
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 509daeefdb79..aa5b917398fe 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
 // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
 // stmmac HW Interface Callbacks
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index df638b18b72c..0989e2bb6ee3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -140,6 +140,10 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
 
 	switch (rq->type) {
 	case PTP_CLK_REQ_PEROUT:
+		/* Reject requests with unsupported flags */
+		if (rq->perout.flags)
+			return -EOPNOTSUPP;
+
 		cfg = &priv->pps[rq->perout.index];
 
 		cfg->start.tv_sec = rq->perout.start.sec;