kernel: bump 4.9 to 4.9.77
[openwrt/openwrt.git] / target / linux / sunxi / patches-4.9 / 0052-stmmac-form-4-12.patch
index 285e4d2762ee5a234da72a4eeb6bf6499d126db3..1356a4b9e97aef6b9e617e16d01d9b185ac7ac32 100644 (file)
                priv->hw->mac->set_eee_mode(priv->hw,
                                            priv->plat->en_tx_lpi_clockgating);
  }
-@@ -359,14 +434,14 @@ static void stmmac_get_tx_hwtstamp(struc
+@@ -365,14 +440,14 @@ static void stmmac_get_tx_hwtstamp(struc
                return;
  
        /* check tx tstamp status */
                /* pass tstamp to stack */
                skb_tstamp_tx(skb, &shhwtstamp);
        }
-@@ -393,19 +468,19 @@ static void stmmac_get_rx_hwtstamp(struc
+@@ -399,19 +474,19 @@ static void stmmac_get_rx_hwtstamp(struc
                return;
  
        /* Check if timestamp is available */
        }
  }
  
-@@ -471,7 +546,10 @@ static int stmmac_hwtstamp_ioctl(struct
+@@ -477,7 +552,10 @@ static int stmmac_hwtstamp_ioctl(struct
                        /* PTP v1, UDP, any kind of event packet */
                        config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
                        /* take time stamp for all event messages */
  
                        ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
                        ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
-@@ -503,7 +581,10 @@ static int stmmac_hwtstamp_ioctl(struct
+@@ -509,7 +587,10 @@ static int stmmac_hwtstamp_ioctl(struct
                        config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
                        ptp_v2 = PTP_TCR_TSVER2ENA;
                        /* take time stamp for all event messages */
  
                        ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
                        ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
-@@ -537,7 +618,10 @@ static int stmmac_hwtstamp_ioctl(struct
+@@ -543,7 +624,10 @@ static int stmmac_hwtstamp_ioctl(struct
                        config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
                        ptp_v2 = PTP_TCR_TSVER2ENA;
                        /* take time stamp for all event messages */
  
                        ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
                        ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
-@@ -673,6 +757,19 @@ static void stmmac_release_ptp(struct st
+@@ -679,6 +763,19 @@ static void stmmac_release_ptp(struct st
  }
  
  /**
   * stmmac_adjust_link - adjusts the link parameters
   * @dev: net device structure
   * Description: this is the helper called by the physical abstraction layer
-@@ -687,7 +784,6 @@ static void stmmac_adjust_link(struct ne
+@@ -693,7 +790,6 @@ static void stmmac_adjust_link(struct ne
        struct phy_device *phydev = dev->phydev;
        unsigned long flags;
        int new_state = 0;
  
        if (!phydev)
                return;
-@@ -709,8 +805,7 @@ static void stmmac_adjust_link(struct ne
+@@ -715,8 +811,7 @@ static void stmmac_adjust_link(struct ne
                }
                /* Flow Control operation */
                if (phydev->pause)
  
                if (phydev->speed != priv->speed) {
                        new_state = 1;
-@@ -878,22 +973,56 @@ static int stmmac_init_phy(struct net_de
+@@ -884,22 +979,56 @@ static int stmmac_init_phy(struct net_de
        return 0;
  }
  
  }
  
  static int stmmac_set_bfsize(int mtu, int bufsize)
-@@ -913,48 +1042,88 @@ static int stmmac_set_bfsize(int mtu, in
+@@ -919,48 +1048,88 @@ static int stmmac_set_bfsize(int mtu, in
  }
  
  /**
        struct sk_buff *skb;
  
        skb = __netdev_alloc_skb_ip_align(priv->dev, priv->dma_buf_sz, flags);
-@@ -963,20 +1132,20 @@ static int stmmac_init_rx_buffers(struct
+@@ -969,20 +1138,20 @@ static int stmmac_init_rx_buffers(struct
                           "%s: Rx init fails; skb is NULL\n", __func__);
                return -ENOMEM;
        }
  
        if ((priv->hw->mode->init_desc3) &&
            (priv->dma_buf_sz == BUF_SIZE_16KiB))
-@@ -985,30 +1154,71 @@ static int stmmac_init_rx_buffers(struct
+@@ -991,30 +1160,71 @@ static int stmmac_init_rx_buffers(struct
        return 0;
  }
  
  
        if (priv->hw->mode->set_16kib_bfsize)
                bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
-@@ -1018,235 +1228,409 @@ static int init_dma_desc_rings(struct ne
+@@ -1024,235 +1234,409 @@ static int init_dma_desc_rings(struct ne
  
        priv->dma_buf_sz = bfsize;
  
  }
  
  /**
-@@ -1256,19 +1640,104 @@ static void free_dma_desc_resources(stru
+@@ -1262,19 +1646,104 @@ static void free_dma_desc_resources(stru
   */
  static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
  {
  }
  
  /**
-@@ -1279,11 +1748,20 @@ static void stmmac_mac_enable_rx_queues(
+@@ -1285,11 +1754,20 @@ static void stmmac_mac_enable_rx_queues(
   */
  static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
  {
                /*
                 * In case of GMAC, SF mode can be enabled
                 * to perform the TX COE in HW. This depends on:
-@@ -1291,37 +1769,53 @@ static void stmmac_dma_operation_mode(st
+@@ -1297,37 +1775,53 @@ static void stmmac_dma_operation_mode(st
                 * 2) There is no bugged Jumbo frame support
                 *    that needs to not insert csum in the TDES.
                 */
  
                status = priv->hw->desc->tx_status(&priv->dev->stats,
                                                      &priv->xstats, p,
-@@ -1342,48 +1836,51 @@ static void stmmac_tx_clean(struct stmma
+@@ -1348,48 +1842,51 @@ static void stmmac_tx_clean(struct stmma
                        stmmac_get_tx_hwtstamp(priv, p, skb);
                }
  
        }
  
        if ((priv->eee_enabled) && (!priv->tx_path_in_lpi_mode)) {
-@@ -1393,45 +1890,76 @@ static void stmmac_tx_clean(struct stmma
+@@ -1399,45 +1896,76 @@ static void stmmac_tx_clean(struct stmma
        netif_tx_unlock(priv->dev);
  }
  
  }
  
  /**
-@@ -1443,31 +1971,43 @@ static void stmmac_tx_err(struct stmmac_
+@@ -1449,31 +1977,43 @@ static void stmmac_tx_err(struct stmmac_
   */
  static void stmmac_dma_interrupt(struct stmmac_priv *priv)
  {
  }
  
  /**
-@@ -1574,6 +2114,13 @@ static void stmmac_check_ether_addr(stru
+@@ -1580,6 +2120,13 @@ static void stmmac_check_ether_addr(stru
   */
  static int stmmac_init_dma_engine(struct stmmac_priv *priv)
  {
        int atds = 0;
        int ret = 0;
  
-@@ -1591,19 +2138,49 @@ static int stmmac_init_dma_engine(struct
+@@ -1597,19 +2144,49 @@ static int stmmac_init_dma_engine(struct
                return ret;
        }
  
        }
  
        if (priv->plat->axi && priv->hw->dma->axi)
-@@ -1621,8 +2198,12 @@ static int stmmac_init_dma_engine(struct
+@@ -1627,8 +2204,12 @@ static int stmmac_init_dma_engine(struct
  static void stmmac_tx_timer(unsigned long data)
  {
        struct stmmac_priv *priv = (struct stmmac_priv *)data;
  }
  
  /**
-@@ -1644,6 +2225,196 @@ static void stmmac_init_tx_coalesce(stru
+@@ -1650,6 +2231,196 @@ static void stmmac_init_tx_coalesce(stru
        add_timer(&priv->txtimer);
  }
  
  /**
   * stmmac_hw_setup - setup mac in a usable state.
   *  @dev : pointer to the device structure.
-@@ -1659,6 +2430,9 @@ static void stmmac_init_tx_coalesce(stru
+@@ -1665,6 +2436,9 @@ static void stmmac_init_tx_coalesce(stru
  static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
  {
        struct stmmac_priv *priv = netdev_priv(dev);
        int ret;
  
        /* DMA initialization and SW reset */
-@@ -1688,9 +2462,9 @@ static int stmmac_hw_setup(struct net_de
+@@ -1694,9 +2468,9 @@ static int stmmac_hw_setup(struct net_de
        /* Initialize the MAC Core */
        priv->hw->mac->core_init(priv->hw, dev->mtu);
  
  
        ret = priv->hw->mac->rx_ipc(priv->hw);
        if (!ret) {
-@@ -1700,10 +2474,7 @@ static int stmmac_hw_setup(struct net_de
+@@ -1706,10 +2480,7 @@ static int stmmac_hw_setup(struct net_de
        }
  
        /* Enable the MAC Rx/Tx */
  
        /* Set the HW DMA mode and the COE */
        stmmac_dma_operation_mode(priv);
-@@ -1711,6 +2482,10 @@ static int stmmac_hw_setup(struct net_de
+@@ -1717,6 +2488,10 @@ static int stmmac_hw_setup(struct net_de
        stmmac_mmc_setup(priv);
  
        if (init_ptp) {
                ret = stmmac_init_ptp(priv);
                if (ret == -EOPNOTSUPP)
                        netdev_warn(priv->dev, "PTP not supported by HW\n");
-@@ -1725,35 +2500,37 @@ static int stmmac_hw_setup(struct net_de
+@@ -1731,35 +2506,37 @@ static int stmmac_hw_setup(struct net_de
                            __func__);
  #endif
        /* Start the ball rolling... */
  /**
   *  stmmac_open - open entry point of the driver
   *  @dev : pointer to the device structure.
-@@ -1821,7 +2598,7 @@ static int stmmac_open(struct net_device
+@@ -1828,7 +2605,7 @@ static int stmmac_open(struct net_device
                netdev_err(priv->dev,
                           "%s: ERROR: allocating the IRQ %d (error: %d)\n",
                           __func__, dev->irq, ret);
        }
  
        /* Request the Wake IRQ in case of another line is used for WoL */
-@@ -1848,8 +2625,8 @@ static int stmmac_open(struct net_device
+@@ -1855,8 +2632,8 @@ static int stmmac_open(struct net_device
                }
        }
  
  
        return 0;
  
-@@ -1858,7 +2635,12 @@ lpiirq_error:
+@@ -1865,7 +2642,12 @@ lpiirq_error:
                free_irq(priv->wol_irq, dev);
  wolirq_error:
        free_irq(dev->irq, dev);
  init_error:
        free_dma_desc_resources(priv);
  dma_desc_error:
-@@ -1887,9 +2669,9 @@ static int stmmac_release(struct net_dev
+@@ -1894,9 +2676,9 @@ static int stmmac_release(struct net_dev
                phy_disconnect(dev->phydev);
        }
  
  
        del_timer_sync(&priv->txtimer);
  
-@@ -1901,14 +2683,13 @@ static int stmmac_release(struct net_dev
+@@ -1908,14 +2690,13 @@ static int stmmac_release(struct net_dev
                free_irq(priv->lpi_irq, dev);
  
        /* Stop TX/RX DMA and clear the descriptors */
  
        netif_carrier_off(dev);
  
-@@ -1927,22 +2708,24 @@ static int stmmac_release(struct net_dev
+@@ -1934,22 +2715,24 @@ static int stmmac_release(struct net_dev
   *  @des: buffer start address
   *  @total_len: total length to fill in descriptors
   *  @last_segmant: condition for the last descriptor
  
                desc->des0 = cpu_to_le32(des + (total_len - tmp_len));
                buff_size = tmp_len >= TSO_MAX_BUFF_SIZE ?
-@@ -1950,7 +2733,7 @@ static void stmmac_tso_allocator(struct
+@@ -1957,7 +2740,7 @@ static void stmmac_tso_allocator(struct
  
                priv->hw->desc->prepare_tso_tx_desc(desc, 0, buff_size,
                        0, 1,
                        0, 0);
  
                tmp_len -= TSO_MAX_BUFF_SIZE;
-@@ -1986,23 +2769,28 @@ static void stmmac_tso_allocator(struct
+@@ -1993,23 +2776,28 @@ static void stmmac_tso_allocator(struct
   */
  static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
  {
                        /* This is a hard error, log it. */
                        netdev_err(priv->dev,
                                   "%s: Tx Ring full when queue awake\n",
-@@ -2017,10 +2805,10 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2024,10 +2812,10 @@ static netdev_tx_t stmmac_tso_xmit(struc
  
        /* set new MSS value if needed */
        if (mss != priv->mss) {
        }
  
        if (netif_msg_tx_queued(priv)) {
-@@ -2030,9 +2818,9 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2037,9 +2825,9 @@ static netdev_tx_t stmmac_tso_xmit(struc
                        skb->data_len);
        }
  
        first = desc;
  
        /* first descriptor: fill Headers on Buf1 */
-@@ -2041,9 +2829,8 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2048,9 +2836,8 @@ static netdev_tx_t stmmac_tso_xmit(struc
        if (dma_mapping_error(priv->device, des))
                goto dma_map_err;
  
  
        first->des0 = cpu_to_le32(des);
  
-@@ -2054,7 +2841,7 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2061,7 +2848,7 @@ static netdev_tx_t stmmac_tso_xmit(struc
        /* If needed take extra descriptors to fill the remaining payload */
        tmp_pay_len = pay_len - TSO_MAX_BUFF_SIZE;
  
  
        /* Prepare fragments */
        for (i = 0; i < nfrags; i++) {
-@@ -2063,24 +2850,34 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2070,24 +2857,34 @@ static netdev_tx_t stmmac_tso_xmit(struc
                des = skb_frag_dma_map(priv->device, frag, 0,
                                       skb_frag_size(frag),
                                       DMA_TO_DEVICE);
        }
  
        dev->stats.tx_bytes += skb->len;
-@@ -2112,7 +2909,7 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2119,7 +2916,7 @@ static netdev_tx_t stmmac_tso_xmit(struc
        priv->hw->desc->prepare_tso_tx_desc(first, 1,
                        proto_hdr_len,
                        pay_len,
                        tcp_hdrlen(skb) / 4, (skb->len - proto_hdr_len));
  
        /* If context desc is used to change MSS */
-@@ -2127,20 +2924,20 @@ static netdev_tx_t stmmac_tso_xmit(struc
+@@ -2134,20 +2931,20 @@ static netdev_tx_t stmmac_tso_xmit(struc
  
        if (netif_msg_pktdata(priv)) {
                pr_info("%s: curr=%d dirty=%d f=%d, e=%d, f_p=%p, nfrags %d\n",
  
        return NETDEV_TX_OK;
  
-@@ -2164,21 +2961,27 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2171,21 +2968,27 @@ static netdev_tx_t stmmac_xmit(struct sk
        struct stmmac_priv *priv = netdev_priv(dev);
        unsigned int nopaged_len = skb_headlen(skb);
        int i, csum_insertion = 0, is_jumbo = 0;
                        /* This is a hard error, log it. */
                        netdev_err(priv->dev,
                                   "%s: Tx Ring full when queue awake\n",
-@@ -2190,20 +2993,18 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2197,20 +3000,18 @@ static netdev_tx_t stmmac_xmit(struct sk
        if (priv->tx_path_in_lpi_mode)
                stmmac_disable_eee_mode(priv);
  
        enh_desc = priv->plat->enh_desc;
        /* To program the descriptors according to the size of the frame */
        if (enh_desc)
-@@ -2211,7 +3012,7 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2218,7 +3019,7 @@ static netdev_tx_t stmmac_xmit(struct sk
  
        if (unlikely(is_jumbo) && likely(priv->synopsys_id <
                                         DWMAC_CORE_4_00)) {
                if (unlikely(entry < 0))
                        goto dma_map_err;
        }
-@@ -2224,48 +3025,56 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2231,48 +3032,56 @@ static netdev_tx_t stmmac_xmit(struct sk
                entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE);
  
                if (likely(priv->extend_desc))
  
                priv->hw->desc->display_ring(tx_head, DMA_TX_SIZE, false);
  
-@@ -2273,10 +3082,10 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2280,10 +3089,10 @@ static netdev_tx_t stmmac_xmit(struct sk
                print_pkt(skb->data, skb->len);
        }
  
        }
  
        dev->stats.tx_bytes += skb->len;
-@@ -2311,14 +3120,14 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2318,14 +3127,14 @@ static netdev_tx_t stmmac_xmit(struct sk
                if (dma_mapping_error(priv->device, des))
                        goto dma_map_err;
  
  
                if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
                             priv->hwts_tx_en)) {
-@@ -2330,7 +3139,7 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2337,7 +3146,7 @@ static netdev_tx_t stmmac_xmit(struct sk
                /* Prepare the first descriptor setting the OWN bit too */
                priv->hw->desc->prepare_tx_desc(first, 1, nopaged_len,
                                                csum_insertion, priv->mode, 1,
  
                /* The own bit must be the latest setting done when prepare the
                 * descriptor and then barrier is needed to make sure that
-@@ -2339,13 +3148,13 @@ static netdev_tx_t stmmac_xmit(struct sk
+@@ -2346,13 +3155,13 @@ static netdev_tx_t stmmac_xmit(struct sk
                dma_wmb();
        }
  
  
        return NETDEV_TX_OK;
  
-@@ -2373,9 +3182,9 @@ static void stmmac_rx_vlan(struct net_de
+@@ -2380,9 +3189,9 @@ static void stmmac_rx_vlan(struct net_de
  }
  
  
                return 0;
  
        return 1;
-@@ -2384,30 +3193,33 @@ static inline int stmmac_rx_threshold_co
+@@ -2391,30 +3200,33 @@ static inline int stmmac_rx_threshold_co
  /**
   * stmmac_rx_refill - refill used skb preallocated buffers
   * @priv: driver private structure
                                if (unlikely(net_ratelimit()))
                                        dev_err(priv->device,
                                                "fail to alloc skb entry %d\n",
-@@ -2415,28 +3227,28 @@ static inline void stmmac_rx_refill(stru
+@@ -2422,28 +3234,28 @@ static inline void stmmac_rx_refill(stru
                                break;
                        }
  
  
                        netif_dbg(priv, rx_status, priv->dev,
                                  "refill entry #%d\n", entry);
-@@ -2452,31 +3264,33 @@ static inline void stmmac_rx_refill(stru
+@@ -2459,31 +3271,33 @@ static inline void stmmac_rx_refill(stru
  
                entry = STMMAC_GET_ENTRY(entry, DMA_RX_SIZE);
        }
  
                priv->hw->desc->display_ring(rx_head, DMA_RX_SIZE, true);
        }
-@@ -2486,9 +3300,9 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2493,9 +3307,9 @@ static int stmmac_rx(struct stmmac_priv
                struct dma_desc *np;
  
                if (priv->extend_desc)
  
                /* read the status of the incoming frame */
                status = priv->hw->desc->rx_status(&priv->dev->stats,
-@@ -2499,20 +3313,20 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2506,20 +3320,20 @@ static int stmmac_rx(struct stmmac_priv
  
                count++;
  
                                                           entry);
                if (unlikely(status == discard_frame)) {
                        priv->dev->stats.rx_errors++;
-@@ -2522,9 +3336,9 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2529,9 +3343,9 @@ static int stmmac_rx(struct stmmac_priv
                                 * them in stmmac_rx_refill() function so that
                                 * device can reuse it.
                                 */
                                                 priv->dma_buf_sz,
                                                 DMA_FROM_DEVICE);
                        }
-@@ -2572,7 +3386,7 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2579,7 +3393,7 @@ static int stmmac_rx(struct stmmac_priv
                         */
                        if (unlikely(!priv->plat->has_gmac4 &&
                                     ((frame_len < priv->rx_copybreak) ||
                                skb = netdev_alloc_skb_ip_align(priv->dev,
                                                                frame_len);
                                if (unlikely(!skb)) {
-@@ -2584,21 +3398,21 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2591,21 +3405,21 @@ static int stmmac_rx(struct stmmac_priv
                                }
  
                                dma_sync_single_for_cpu(priv->device,
                                if (unlikely(!skb)) {
                                        netdev_err(priv->dev,
                                                   "%s: Inconsistent Rx chain\n",
-@@ -2607,12 +3421,12 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2614,12 +3428,12 @@ static int stmmac_rx(struct stmmac_priv
                                        break;
                                }
                                prefetch(skb->data - NET_IP_ALIGN);
                                                 priv->dma_buf_sz,
                                                 DMA_FROM_DEVICE);
                        }
-@@ -2634,7 +3448,7 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2641,7 +3455,7 @@ static int stmmac_rx(struct stmmac_priv
                        else
                                skb->ip_summed = CHECKSUM_UNNECESSARY;
  
  
                        priv->dev->stats.rx_packets++;
                        priv->dev->stats.rx_bytes += frame_len;
-@@ -2642,7 +3456,7 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2649,7 +3463,7 @@ static int stmmac_rx(struct stmmac_priv
                entry = next_entry;
        }
  
  
        priv->xstats.rx_pkt_n += count;
  
-@@ -2659,16 +3473,24 @@ static int stmmac_rx(struct stmmac_priv
+@@ -2666,16 +3480,24 @@ static int stmmac_rx(struct stmmac_priv
   */
  static int stmmac_poll(struct napi_struct *napi, int budget)
  {
        }
        return work_done;
  }
-@@ -2684,9 +3506,12 @@ static int stmmac_poll(struct napi_struc
+@@ -2691,9 +3513,12 @@ static int stmmac_poll(struct napi_struc
  static void stmmac_tx_timeout(struct net_device *dev)
  {
        struct stmmac_priv *priv = netdev_priv(dev);
  }
  
  /**
-@@ -2809,6 +3634,12 @@ static irqreturn_t stmmac_interrupt(int
+@@ -2816,6 +3641,12 @@ static irqreturn_t stmmac_interrupt(int
  {
        struct net_device *dev = (struct net_device *)dev_id;
        struct stmmac_priv *priv = netdev_priv(dev);
  
        if (priv->irq_wake)
                pm_wakeup_event(priv->device, 0);
-@@ -2822,16 +3653,30 @@ static irqreturn_t stmmac_interrupt(int
+@@ -2829,16 +3660,30 @@ static irqreturn_t stmmac_interrupt(int
        if ((priv->plat->has_gmac) || (priv->plat->has_gmac4)) {
                int status = priv->hw->mac->host_irq_status(priv->hw,
                                                            &priv->xstats);
                }
  
                /* PCS link status */
-@@ -2916,7 +3761,7 @@ static void sysfs_display_ring(void *hea
+@@ -2923,7 +3768,7 @@ static void sysfs_display_ring(void *hea
                        ep++;
                } else {
                        seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
                                   le32_to_cpu(p->des0), le32_to_cpu(p->des1),
                                   le32_to_cpu(p->des2), le32_to_cpu(p->des3));
                        p++;
-@@ -2929,17 +3774,40 @@ static int stmmac_sysfs_ring_read(struct
+@@ -2936,17 +3781,40 @@ static int stmmac_sysfs_ring_read(struct
  {
        struct net_device *dev = seq->private;
        struct stmmac_priv *priv = netdev_priv(dev);
        }
  
        return 0;
-@@ -3222,11 +4090,14 @@ int stmmac_dvr_probe(struct device *devi
+@@ -3229,11 +4097,14 @@ int stmmac_dvr_probe(struct device *devi
                     struct plat_stmmacenet_data *plat_dat,
                     struct stmmac_resources *res)
  {
        if (!ndev)
                return -ENOMEM;
  
-@@ -3268,6 +4139,10 @@ int stmmac_dvr_probe(struct device *devi
+@@ -3275,6 +4146,10 @@ int stmmac_dvr_probe(struct device *devi
        if (ret)
                goto error_hw_init;
  
        ndev->netdev_ops = &stmmac_netdev_ops;
  
        ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
-@@ -3300,7 +4175,12 @@ int stmmac_dvr_probe(struct device *devi
+@@ -3307,7 +4182,12 @@ int stmmac_dvr_probe(struct device *devi
                         "Enable RX Mitigation via HW Watchdog Timer\n");
        }
  
  
        spin_lock_init(&priv->lock);
  
-@@ -3345,7 +4225,11 @@ error_netdev_register:
+@@ -3352,7 +4232,11 @@ error_netdev_register:
            priv->hw->pcs != STMMAC_PCS_RTBI)
                stmmac_mdio_unregister(ndev);
  error_mdio_register:
  error_hw_init:
        free_netdev(ndev);
  
-@@ -3366,10 +4250,9 @@ int stmmac_dvr_remove(struct device *dev
+@@ -3373,10 +4257,9 @@ int stmmac_dvr_remove(struct device *dev
  
        netdev_info(priv->dev, "%s: removing driver", __func__);
  
        netif_carrier_off(ndev);
        unregister_netdev(ndev);
        if (priv->plat->stmmac_rst)
-@@ -3408,20 +4291,19 @@ int stmmac_suspend(struct device *dev)
+@@ -3415,20 +4298,19 @@ int stmmac_suspend(struct device *dev)
        spin_lock_irqsave(&priv->lock, flags);
  
        netif_device_detach(ndev);
                pinctrl_pm_select_sleep_state(priv->device);
                /* Disable clock in case of PWM is off */
                clk_disable(priv->plat->pclk);
-@@ -3437,6 +4319,31 @@ int stmmac_suspend(struct device *dev)
+@@ -3444,6 +4326,31 @@ int stmmac_suspend(struct device *dev)
  EXPORT_SYMBOL_GPL(stmmac_suspend);
  
  /**
   * stmmac_resume - resume callback
   * @dev: device pointer
   * Description: when resume this function is invoked to setup the DMA and CORE
-@@ -3476,10 +4383,8 @@ int stmmac_resume(struct device *dev)
+@@ -3483,10 +4390,8 @@ int stmmac_resume(struct device *dev)
  
        spin_lock_irqsave(&priv->lock, flags);
  
        /* reset private mss value to force mss context settings at
         * next tso xmit (only used for gmac4).
         */
-@@ -3491,9 +4396,9 @@ int stmmac_resume(struct device *dev)
+@@ -3498,9 +4403,9 @@ int stmmac_resume(struct device *dev)
        stmmac_init_tx_coalesce(priv);
        stmmac_set_rx_mode(ndev);