kernel: bump 4.9 to 4.9.65
authorStijn Tintel <stijn@linux-ipv6.be>
Fri, 24 Nov 2017 09:36:24 +0000 (10:36 +0100)
committerStijn Tintel <stijn@linux-ipv6.be>
Fri, 24 Nov 2017 12:09:11 +0000 (14:09 +0200)
Refresh patches.
Compile-tested: ar71xx, octeon, x86/64.
Runtime-tested: ar71xx, octeon, x86/64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
include/kernel-version.mk
target/linux/generic/backport-4.9/024-8-tcp-tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch
target/linux/generic/pending-4.9/120-Fix-alloc_node_mem_map-with-ARCH_PFN_OFFSET-calcu.patch
target/linux/ramips/patches-4.9/0013-owrt-hack-fix-mt7688-cache-issue.patch
target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch

index 8848439..55010ad 100644 (file)
@@ -4,11 +4,11 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .71
 LINUX_VERSION-4.4 = .93
-LINUX_VERSION-4.9 = .63
+LINUX_VERSION-4.9 = .65
 
 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
 LINUX_KERNEL_HASH-4.4.93 = ed349314f16e78a6571b5f8884f6452782aef6c26b81bcc7ccdac44ecd917c36
-LINUX_KERNEL_HASH-4.9.63 = 21c9386f33fd3453ca67f7478b4c1ba34067645ef6d391871029cbd7f5df2ea3
+LINUX_KERNEL_HASH-4.9.65 = 24ba70877549a3cf25dc5f12efd260d3e957bce64c087de98baf8968ee514895
 
 ifdef KERNEL_PATCHVER
   LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
index 8f4c5b2..0acd008 100644 (file)
@@ -134,7 +134,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
                if (tcp_small_queue_check(sk, skb, 0))
                        break;
  
-@@ -3509,8 +3509,6 @@ void tcp_send_ack(struct sock *sk)
+@@ -3504,8 +3504,6 @@ void tcp_send_ack(struct sock *sk)
        /* We do not want pure acks influencing TCP Small Queues or fq/pacing
         * too much.
         * SKB_TRUESIZE(max(1 .. 66, MAX_TCP_HEADER)) is unfortunately ~784
index 8168a88..826496b 100644 (file)
@@ -71,7 +71,7 @@ Signed-off-by: Tobias Wolf <dev-NTEO@vplace.de>
 
 --- a/mm/page_alloc.c
 +++ b/mm/page_alloc.c
-@@ -5921,7 +5921,7 @@ static void __ref alloc_node_mem_map(str
+@@ -5930,7 +5930,7 @@ static void __ref alloc_node_mem_map(str
                mem_map = NODE_DATA(0)->node_mem_map;
  #if defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) || defined(CONFIG_FLATMEM)
                if (page_to_pfn(mem_map) != pgdat->node_start_pfn)
index 8602801..0a3ef36 100644 (file)
@@ -10,7 +10,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 
 --- a/arch/mips/kernel/setup.c
 +++ b/arch/mips/kernel/setup.c
-@@ -774,7 +774,6 @@ static void __init arch_mem_init(char **
+@@ -846,7 +846,6 @@ static void __init arch_mem_init(char **
                                crashk_res.end - crashk_res.start + 1,
                                BOOTMEM_DEFAULT);
  #endif
@@ -18,7 +18,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
        sparse_init();
        plat_swiotlb_setup();
  
-@@ -890,6 +889,7 @@ void __init setup_arch(char **cmdline_p)
+@@ -962,6 +961,7 @@ void __init setup_arch(char **cmdline_p)
  
        cpu_cache_init();
        paging_init();
index a5cdec5..285e4d2 100644 (file)
 +
 +              /* Display RX ring */
 +              priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true);
-+      }
+       }
 +}
 +
 +static void stmmac_display_tx_rings(struct stmmac_priv *priv)
 +                      head_tx = (void *)tx_q->dma_etx;
 +              else
 +                      head_tx = (void *)tx_q->dma_tx;
-+
-+              priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
-       }
-+}
  
 -      /* Display Rx ring */
 -      priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true);
 -      /* Display Tx ring */
 -      priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
++              priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
++      }
++}
++
 +static void stmmac_display_rings(struct stmmac_priv *priv)
 +{
 +      /* Display RX ring */
  
        if (priv->hw->mode->set_16kib_bfsize)
                bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
-@@ -1018,257 +1228,516 @@ static int init_dma_desc_rings(struct ne
+@@ -1018,235 +1228,409 @@ static int init_dma_desc_rings(struct ne
  
        priv->dma_buf_sz = bfsize;
  
 +                              p = &((rx_q->dma_erx + i)->basic);
 +                      else
 +                              p = rx_q->dma_rx + i;
--              ret = stmmac_init_rx_buffers(priv, p, i, flags);
--              if (ret)
--                      goto err_init_rx_buffers;
++
 +                      ret = stmmac_init_rx_buffers(priv, p, i, flags,
 +                                                   queue);
 +                      if (ret)
 +                                rx_q->rx_skbuff[i], rx_q->rx_skbuff[i]->data,
 +                                (unsigned int)rx_q->rx_skbuff_dma[i]);
 +              }
-+
+-              ret = stmmac_init_rx_buffers(priv, p, i, flags);
+-              if (ret)
+-                      goto err_init_rx_buffers;
 +              rx_q->cur_rx = 0;
 +              rx_q->dirty_rx = (unsigned int)(i - DMA_RX_SIZE);
-+
-+              stmmac_clear_rx_descriptors(priv, queue);
  
 -              netif_dbg(priv, probe, priv->dev, "[%p]\t[%p]\t[%x]\n",
 -                        priv->rx_skbuff[i], priv->rx_skbuff[i]->data,
 -                        (unsigned int)priv->rx_skbuff_dma[i]);
++              stmmac_clear_rx_descriptors(priv, queue);
++
 +              /* Setup the chained descriptor addresses */
 +              if (priv->mode == STMMAC_CHAIN_MODE) {
 +                      if (priv->extend_desc)
 +                              priv->hw->mode->init(tx_q->dma_tx,
 +                                                   tx_q->dma_tx_phy,
 +                                                   DMA_TX_SIZE, 0);
-               }
--              priv->tx_skbuff_dma[i].buf = 0;
--              priv->tx_skbuff_dma[i].map_as_page = false;
--              priv->tx_skbuff_dma[i].len = 0;
--              priv->tx_skbuff_dma[i].last_segment = false;
--              priv->tx_skbuff[i] = NULL;
++              }
++
 +              for (i = 0; i < DMA_TX_SIZE; i++) {
 +                      struct dma_desc *p;
 +                      if (priv->extend_desc)
 +                      tx_q->tx_skbuff_dma[i].len = 0;
 +                      tx_q->tx_skbuff_dma[i].last_segment = false;
 +                      tx_q->tx_skbuff[i] = NULL;
-+              }
-+
+               }
+-              priv->tx_skbuff_dma[i].buf = 0;
+-              priv->tx_skbuff_dma[i].map_as_page = false;
+-              priv->tx_skbuff_dma[i].len = 0;
+-              priv->tx_skbuff_dma[i].last_segment = false;
+-              priv->tx_skbuff[i] = NULL;
 +              tx_q->dirty_tx = 0;
 +              tx_q->cur_tx = 0;
 +
 -                                               priv->tx_skbuff_dma[i].buf,
 -                                               priv->tx_skbuff_dma[i].len,
 -                                               DMA_TO_DEVICE);
+-              }
 +      for (i = 0; i < DMA_TX_SIZE; i++)
 +              stmmac_free_tx_buffer(priv, queue, i);
 +}
-+
+-              if (priv->tx_skbuff[i]) {
+-                      dev_kfree_skb_any(priv->tx_skbuff[i]);
+-                      priv->tx_skbuff[i] = NULL;
+-                      priv->tx_skbuff_dma[i].buf = 0;
+-                      priv->tx_skbuff_dma[i].map_as_page = false;
+-              }
 +/**
 + * free_dma_rx_desc_resources - free RX dma desc resources
 + * @priv: private structure
 +
 +              kfree(rx_q->rx_skbuff_dma);
 +              kfree(rx_q->rx_skbuff);
-+      }
-+}
-+
-+/**
+       }
+ }
+ /**
+- * alloc_dma_desc_resources - alloc TX/RX resources.
 + * free_dma_tx_desc_resources - free TX dma desc resources
 + * @priv: private structure
 + */
 +
 +/**
 + * alloc_dma_rx_desc_resources - alloc RX resources.
-+ * @priv: private structure
-+ * Description: according to which descriptor can be used (extend or basic)
-+ * this function allocates the resources for TX and RX paths. In case of
-+ * reception, for example, it pre-allocated the RX socket buffer in order to
-+ * allow zero-copy mechanism.
-+ */
+  * @priv: private structure
+  * Description: according to which descriptor can be used (extend or basic)
+  * this function allocates the resources for TX and RX paths. In case of
+  * reception, for example, it pre-allocated the RX socket buffer in order to
+  * allow zero-copy mechanism.
+  */
+-static int alloc_dma_desc_resources(struct stmmac_priv *priv)
 +static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
-+{
+ {
 +      u32 rx_count = priv->plat->rx_queues_to_use;
-+      int ret = -ENOMEM;
+       int ret = -ENOMEM;
 +      u32 queue;
-+
+-      priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
+-                                          GFP_KERNEL);
+-      if (!priv->rx_skbuff_dma)
+-              return -ENOMEM;
 +      /* RX queues buffers and DMA */
 +      for (queue = 0; queue < rx_count; queue++) {
 +              struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-+
+-      priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
+-                                      GFP_KERNEL);
+-      if (!priv->rx_skbuff)
+-              goto err_rx_skbuff;
+-
+-      priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
+-                                          sizeof(*priv->tx_skbuff_dma),
+-                                          GFP_KERNEL);
+-      if (!priv->tx_skbuff_dma)
+-              goto err_tx_skbuff_dma;
+-
+-      priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
+-                                      GFP_KERNEL);
+-      if (!priv->tx_skbuff)
+-              goto err_tx_skbuff;
+-
+-      if (priv->extend_desc) {
+-              priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
+-                                                  sizeof(struct
+-                                                         dma_extended_desc),
+-                                                  &priv->dma_rx_phy,
+-                                                  GFP_KERNEL);
+-              if (!priv->dma_erx)
+-                      goto err_dma;
 +              rx_q->queue_index = queue;
 +              rx_q->priv_data = priv;
-+
+-              priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
+-                                                  sizeof(struct
+-                                                         dma_extended_desc),
+-                                                  &priv->dma_tx_phy,
 +              rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
 +                                                  sizeof(dma_addr_t),
-+                                                  GFP_KERNEL);
+                                                   GFP_KERNEL);
+-              if (!priv->dma_etx) {
+-                      dma_free_coherent(priv->device, DMA_RX_SIZE *
+-                                        sizeof(struct dma_extended_desc),
+-                                        priv->dma_erx, priv->dma_rx_phy);
+-                      goto err_dma;
+-              }
+-      } else {
+-              priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
+-                                                 sizeof(struct dma_desc),
+-                                                 &priv->dma_rx_phy,
+-                                                 GFP_KERNEL);
+-              if (!priv->dma_rx)
+-                      goto err_dma;
 +              if (!rx_q->rx_skbuff_dma)
 +                      return -ENOMEM;
-+
+-              priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
+-                                                 sizeof(struct dma_desc),
+-                                                 &priv->dma_tx_phy,
+-                                                 GFP_KERNEL);
+-              if (!priv->dma_tx) {
+-                      dma_free_coherent(priv->device, DMA_RX_SIZE *
+-                                        sizeof(struct dma_desc),
+-                                        priv->dma_rx, priv->dma_rx_phy);
 +              rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
 +                                              sizeof(struct sk_buff *),
 +                                              GFP_KERNEL);
 +              if (!rx_q->rx_skbuff)
-+                      goto err_dma;
+                       goto err_dma;
 +
 +              if (priv->extend_desc) {
 +                      rx_q->dma_erx = dma_zalloc_coherent(priv->device,
 +                                                         GFP_KERNEL);
 +                      if (!rx_q->dma_rx)
 +                              goto err_dma;
-+              }
-+      }
-+
-+      return 0;
-+
-+err_dma:
+               }
+       }
+       return 0;
+ err_dma:
+-      kfree(priv->tx_skbuff);
+-err_tx_skbuff:
+-      kfree(priv->tx_skbuff_dma);
+-err_tx_skbuff_dma:
+-      kfree(priv->rx_skbuff);
+-err_rx_skbuff:
+-      kfree(priv->rx_skbuff_dma);
 +      free_dma_rx_desc_resources(priv);
 +
 +      return ret;
 +                                                         GFP_KERNEL);
 +                      if (!tx_q->dma_tx)
 +                              goto err_dma_buffers;
-               }
++              }
 +      }
 +
 +      return 0;
 +err_dma_buffers:
 +      free_dma_tx_desc_resources(priv);
 +
-+      return ret;
-+}
-+
+       return ret;
+ }
 +/**
 + * alloc_dma_desc_resources - alloc TX/RX resources.
 + * @priv: private structure
 + * free_dma_desc_resources - free dma desc resources
 + * @priv: private structure
 + */
-+static void free_dma_desc_resources(struct stmmac_priv *priv)
-+{
+ static void free_dma_desc_resources(struct stmmac_priv *priv)
+ {
+-      /* Release the DMA TX/RX socket buffers */
+-      dma_free_rx_skbufs(priv);
+-      dma_free_tx_skbufs(priv);
+-
+-      /* Free DMA regions of consistent memory previously allocated */
+-      if (!priv->extend_desc) {
+-              dma_free_coherent(priv->device,
+-                                DMA_TX_SIZE * sizeof(struct dma_desc),
+-                                priv->dma_tx, priv->dma_tx_phy);
+-              dma_free_coherent(priv->device,
+-                                DMA_RX_SIZE * sizeof(struct dma_desc),
+-                                priv->dma_rx, priv->dma_rx_phy);
+-      } else {
+-              dma_free_coherent(priv->device, DMA_TX_SIZE *
+-                                sizeof(struct dma_extended_desc),
+-                                priv->dma_etx, priv->dma_tx_phy);
+-              dma_free_coherent(priv->device, DMA_RX_SIZE *
+-                                sizeof(struct dma_extended_desc),
+-                                priv->dma_erx, priv->dma_rx_phy);
+-      }
+-      kfree(priv->rx_skbuff_dma);
+-      kfree(priv->rx_skbuff);
+-      kfree(priv->tx_skbuff_dma);
+-      kfree(priv->tx_skbuff);
 +      /* Release the DMA RX socket buffers */
 +      free_dma_rx_desc_resources(priv);
 +
 +      /* Release the DMA TX socket buffers */
 +      free_dma_tx_desc_resources(priv);
-+}
-+
-+/**
-+ *  stmmac_mac_enable_rx_queues - Enable MAC rx queues
-+ *  @priv: driver private structure
-+ *  Description: It is used for enabling the rx queues in the MAC
-+ */
-+static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
-+{
+ }
+ /**
+@@ -1256,19 +1640,104 @@ static void free_dma_desc_resources(stru
+  */
+ static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
+ {
+-      int rx_count = priv->dma_cap.number_rx_queues;
+-      int queue = 0;
 +      u32 rx_queues_count = priv->plat->rx_queues_to_use;
 +      int queue;
 +      u8 mode;
  
--              if (priv->tx_skbuff[i]) {
--                      dev_kfree_skb_any(priv->tx_skbuff[i]);
--                      priv->tx_skbuff[i] = NULL;
--                      priv->tx_skbuff_dma[i].buf = 0;
--                      priv->tx_skbuff_dma[i].map_as_page = false;
--              }
+-      /* If GMAC does not have multiple queues, then this is not necessary*/
+-      if (rx_count == 1)
+-              return;
 +      for (queue = 0; queue < rx_queues_count; queue++) {
 +              mode = priv->plat->rx_queues_cfg[queue].mode_to_use;
 +              priv->hw->mac->rx_queue_enable(priv->hw, mode, queue);
-       }
- }
++      }
++}
  
- /**
-- * alloc_dma_desc_resources - alloc TX/RX resources.
-- * @priv: private structure
-- * Description: according to which descriptor can be used (extend or basic)
-- * this function allocates the resources for TX and RX paths. In case of
-- * reception, for example, it pre-allocated the RX socket buffer in order to
-- * allow zero-copy mechanism.
+-      /**
+-       *  If the core is synthesized with multiple rx queues / multiple
+-       *  dma channels, then rx queues will be disabled by default.
+-       *  For now only rx queue 0 is enabled.
+-       */
+-      priv->hw->mac->rx_queue_enable(priv->hw, queue);
++/**
 + * stmmac_start_rx_dma - start RX DMA channel
 + * @priv: driver private structure
 + * @chan: RX channel index
 + * Description:
 + * This starts a RX DMA channel
-  */
--static int alloc_dma_desc_resources(struct stmmac_priv *priv)
++ */
 +static void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan)
- {
--      int ret = -ENOMEM;
--
--      priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
--                                          GFP_KERNEL);
--      if (!priv->rx_skbuff_dma)
--              return -ENOMEM;
--
--      priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
--                                      GFP_KERNEL);
--      if (!priv->rx_skbuff)
--              goto err_rx_skbuff;
--
--      priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
--                                          sizeof(*priv->tx_skbuff_dma),
--                                          GFP_KERNEL);
--      if (!priv->tx_skbuff_dma)
--              goto err_tx_skbuff_dma;
--
--      priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
--                                      GFP_KERNEL);
--      if (!priv->tx_skbuff)
--              goto err_tx_skbuff;
--
--      if (priv->extend_desc) {
--              priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
--                                                  sizeof(struct
--                                                         dma_extended_desc),
--                                                  &priv->dma_rx_phy,
--                                                  GFP_KERNEL);
--              if (!priv->dma_erx)
--                      goto err_dma;
--
--              priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
--                                                  sizeof(struct
--                                                         dma_extended_desc),
--                                                  &priv->dma_tx_phy,
--                                                  GFP_KERNEL);
--              if (!priv->dma_etx) {
--                      dma_free_coherent(priv->device, DMA_RX_SIZE *
--                                        sizeof(struct dma_extended_desc),
--                                        priv->dma_erx, priv->dma_rx_phy);
--                      goto err_dma;
--              }
--      } else {
--              priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
--                                                 sizeof(struct dma_desc),
--                                                 &priv->dma_rx_phy,
--                                                 GFP_KERNEL);
--              if (!priv->dma_rx)
--                      goto err_dma;
++{
 +      netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
 +      priv->hw->dma->start_rx(priv->ioaddr, chan);
 +}
--              priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
--                                                 sizeof(struct dma_desc),
--                                                 &priv->dma_tx_phy,
--                                                 GFP_KERNEL);
--              if (!priv->dma_tx) {
--                      dma_free_coherent(priv->device, DMA_RX_SIZE *
--                                        sizeof(struct dma_desc),
--                                        priv->dma_rx, priv->dma_rx_phy);
--                      goto err_dma;
--              }
--      }
++
 +/**
 + * stmmac_start_tx_dma - start TX DMA channel
 + * @priv: driver private structure
 +      netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
 +      priv->hw->dma->start_tx(priv->ioaddr, chan);
 +}
--      return 0;
++
 +/**
 + * stmmac_stop_rx_dma - stop RX DMA channel
 + * @priv: driver private structure
 +      netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
 +      priv->hw->dma->stop_rx(priv->ioaddr, chan);
 +}
--err_dma:
--      kfree(priv->tx_skbuff);
--err_tx_skbuff:
--      kfree(priv->tx_skbuff_dma);
--err_tx_skbuff_dma:
--      kfree(priv->rx_skbuff);
--err_rx_skbuff:
--      kfree(priv->rx_skbuff_dma);
--      return ret;
++
 +/**
 + * stmmac_stop_tx_dma - stop TX DMA channel
 + * @priv: driver private structure
 +{
 +      netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
 +      priv->hw->dma->stop_tx(priv->ioaddr, chan);
- }
--static void free_dma_desc_resources(struct stmmac_priv *priv)
++}
++
 +/**
 + * stmmac_start_all_dma - start all RX and TX DMA channels
 + * @priv: driver private structure
 + * This starts all the RX and TX DMA channels
 + */
 +static void stmmac_start_all_dma(struct stmmac_priv *priv)
- {
--      /* Release the DMA TX/RX socket buffers */
--      dma_free_rx_skbufs(priv);
--      dma_free_tx_skbufs(priv);
--
--      /* Free DMA regions of consistent memory previously allocated */
--      if (!priv->extend_desc) {
--              dma_free_coherent(priv->device,
--                                DMA_TX_SIZE * sizeof(struct dma_desc),
--                                priv->dma_tx, priv->dma_tx_phy);
--              dma_free_coherent(priv->device,
--                                DMA_RX_SIZE * sizeof(struct dma_desc),
--                                priv->dma_rx, priv->dma_rx_phy);
--      } else {
--              dma_free_coherent(priv->device, DMA_TX_SIZE *
--                                sizeof(struct dma_extended_desc),
--                                priv->dma_etx, priv->dma_tx_phy);
--              dma_free_coherent(priv->device, DMA_RX_SIZE *
--                                sizeof(struct dma_extended_desc),
--                                priv->dma_erx, priv->dma_rx_phy);
--      }
--      kfree(priv->rx_skbuff_dma);
--      kfree(priv->rx_skbuff);
--      kfree(priv->tx_skbuff_dma);
--      kfree(priv->tx_skbuff);
++{
 +      u32 rx_channels_count = priv->plat->rx_queues_to_use;
 +      u32 tx_channels_count = priv->plat->tx_queues_to_use;
 +      u32 chan = 0;
 +
 +      for (chan = 0; chan < tx_channels_count; chan++)
 +              stmmac_start_tx_dma(priv, chan);
- }
- /**
-- *  stmmac_mac_enable_rx_queues - Enable MAC rx queues
-- *  @priv: driver private structure
-- *  Description: It is used for enabling the rx queues in the MAC
++}
++
++/**
 + * stmmac_stop_all_dma - stop all RX and TX DMA channels
 + * @priv: driver private structure
 + * Description:
 + * This stops the RX and TX DMA channels
-  */
--static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
++ */
 +static void stmmac_stop_all_dma(struct stmmac_priv *priv)
- {
--      int rx_count = priv->dma_cap.number_rx_queues;
--      int queue = 0;
++{
 +      u32 rx_channels_count = priv->plat->rx_queues_to_use;
 +      u32 tx_channels_count = priv->plat->tx_queues_to_use;
 +      u32 chan = 0;
--      /* If GMAC does not have multiple queues, then this is not necessary*/
--      if (rx_count == 1)
--              return;
++
 +      for (chan = 0; chan < rx_channels_count; chan++)
 +              stmmac_stop_rx_dma(priv, chan);
--      /**
--       *  If the core is synthesized with multiple rx queues / multiple
--       *  dma channels, then rx queues will be disabled by default.
--       *  For now only rx queue 0 is enabled.
--       */
--      priv->hw->mac->rx_queue_enable(priv->hw, queue);
++
 +      for (chan = 0; chan < tx_channels_count; chan++)
 +              stmmac_stop_tx_dma(priv, chan);
  }