kernel: bump 4.9 to 4.9.110 for 18.06
authorStijn Segers <foss@volatilesystems.org>
Fri, 29 Jun 2018 20:29:05 +0000 (22:29 +0200)
committerJohn Crispin <john@phrozen.org>
Mon, 2 Jul 2018 05:06:06 +0000 (07:06 +0200)
Compile-tested on ar71xx.

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
include/kernel-version.mk
target/linux/ar71xx/patches-4.9/500-MIPS-fw-myloader.patch
target/linux/generic/pending-4.9/308-mips32r2_tune.patch
target/linux/generic/pending-4.9/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
target/linux/generic/pending-4.9/834-ledtrig-libata.patch
target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch

index 825a227..6ab17a5 100644 (file)
@@ -4,12 +4,12 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .71
 LINUX_VERSION-4.4 = .121
-LINUX_VERSION-4.9 = .109
+LINUX_VERSION-4.9 = .110
 LINUX_VERSION-4.14 = .50
 
 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
 LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729
-LINUX_KERNEL_HASH-4.9.109 = 3dcd5654a553432119492b69e649c4ed117781bfd571edcb02346c945be359b0
+LINUX_KERNEL_HASH-4.9.110 = 379a143a70a79f0eea6c9f6638942b65e6043abdde17ad23264c0abd93c4ea7a
 LINUX_KERNEL_HASH-4.14.50 = 703a8d013b25dc428d936f72858fa0c702c22cb3114a040fb9bb47562e4ea2ac
 
 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
index 301422a..304fd69 100644 (file)
@@ -1,6 +1,6 @@
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -213,6 +213,7 @@ cflags-$(toolchain-virt)           += -DTOOLCHAIN
+@@ -218,6 +218,7 @@ cflags-$(toolchain-virt)           += -DTOOLCHAIN
  #
  libs-$(CONFIG_FW_ARC)         += arch/mips/fw/arc/
  libs-$(CONFIG_FW_CFE)         += arch/mips/fw/cfe/
index 63cf576..9e1efe2 100644 (file)
@@ -11,7 +11,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -148,7 +148,7 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r46
+@@ -153,7 +153,7 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r46
  cflags-$(CONFIG_CPU_TX49XX)   += -march=r4600 -Wa,--trap
  cflags-$(CONFIG_CPU_MIPS32_R1)        += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
                        -Wa,-mips32 -Wa,--trap
index 2cebf55..4757e81 100644 (file)
@@ -141,7 +141,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  static const struct rt6_info ip6_blk_hole_entry_template = {
        .dst = {
                .__refcnt       = ATOMIC_INIT(1),
-@@ -1970,6 +1987,11 @@ static struct rt6_info *ip6_route_info_c
+@@ -1967,6 +1984,11 @@ static struct rt6_info *ip6_route_info_c
                        rt->dst.output = ip6_pkt_prohibit_out;
                        rt->dst.input = ip6_pkt_prohibit;
                        break;
@@ -153,7 +153,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
                case RTN_THROW:
                case RTN_UNREACHABLE:
                default:
-@@ -2613,6 +2635,17 @@ static int ip6_pkt_prohibit_out(struct n
+@@ -2610,6 +2632,17 @@ static int ip6_pkt_prohibit_out(struct n
        return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
  }
  
@@ -171,7 +171,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  /*
   *    Allocate a dst for local (unicast / anycast) address.
   */
-@@ -2850,7 +2883,8 @@ static int rtm_to_fib6_config(struct sk_
+@@ -2847,7 +2880,8 @@ static int rtm_to_fib6_config(struct sk_
        if (rtm->rtm_type == RTN_UNREACHABLE ||
            rtm->rtm_type == RTN_BLACKHOLE ||
            rtm->rtm_type == RTN_PROHIBIT ||
@@ -181,7 +181,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
                cfg->fc_flags |= RTF_REJECT;
  
        if (rtm->rtm_type == RTN_LOCAL)
-@@ -3222,6 +3256,9 @@ static int rt6_fill_node(struct net *net
+@@ -3219,6 +3253,9 @@ static int rt6_fill_node(struct net *net
                case -EACCES:
                        rtm->rtm_type = RTN_PROHIBIT;
                        break;
@@ -191,7 +191,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
                case -EAGAIN:
                        rtm->rtm_type = RTN_THROW;
                        break;
-@@ -3498,6 +3535,8 @@ static int ip6_route_dev_notify(struct n
+@@ -3495,6 +3532,8 @@ static int ip6_route_dev_notify(struct n
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
                net->ipv6.ip6_prohibit_entry->dst.dev = dev;
                net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);
@@ -200,7 +200,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
                net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
                net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
  #endif
-@@ -3509,6 +3548,7 @@ static int ip6_route_dev_notify(struct n
+@@ -3506,6 +3545,7 @@ static int ip6_route_dev_notify(struct n
                in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
                in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
@@ -208,7 +208,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
                in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev);
  #endif
        }
-@@ -3724,6 +3764,17 @@ static int __net_init ip6_route_net_init
+@@ -3721,6 +3761,17 @@ static int __net_init ip6_route_net_init
        net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
        dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
                         ip6_template_metrics, true);
@@ -226,7 +226,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  #endif
  
        net->ipv6.sysctl.flush_delay = 0;
-@@ -3742,6 +3793,8 @@ out:
+@@ -3739,6 +3790,8 @@ out:
        return ret;
  
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
@@ -235,7 +235,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  out_ip6_prohibit_entry:
        kfree(net->ipv6.ip6_prohibit_entry);
  out_ip6_null_entry:
-@@ -3759,6 +3812,7 @@ static void __net_exit ip6_route_net_exi
+@@ -3756,6 +3809,7 @@ static void __net_exit ip6_route_net_exi
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
        kfree(net->ipv6.ip6_prohibit_entry);
        kfree(net->ipv6.ip6_blk_hole_entry);
@@ -243,7 +243,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  #endif
        dst_entries_destroy(&net->ipv6.ip6_dst_ops);
  }
-@@ -3832,6 +3886,9 @@ void __init ip6_route_init_special_entri
+@@ -3829,6 +3883,9 @@ void __init ip6_route_init_special_entri
        init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
        init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
        init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
index 78255a9..4b319bd 100644 (file)
@@ -65,7 +65,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  /**
   *    ata_build_rw_tf - Build ATA taskfile for given read/write request
   *    @tf: Target ATA taskfile
-@@ -4994,6 +5007,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
+@@ -4991,6 +5004,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
                if (tag < 0)
                        return NULL;
        }
@@ -75,7 +75,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  
        qc = __ata_qc_from_tag(ap, tag);
        qc->tag = tag;
-@@ -5895,6 +5911,9 @@ struct ata_port *ata_port_alloc(struct a
+@@ -5892,6 +5908,9 @@ struct ata_port *ata_port_alloc(struct a
        ap->stats.unhandled_irq = 1;
        ap->stats.idle_irq = 1;
  #endif
@@ -85,7 +85,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
        ata_sff_port_init(ap);
  
        return ap;
-@@ -5916,6 +5935,12 @@ static void ata_host_release(struct devi
+@@ -5913,6 +5932,12 @@ static void ata_host_release(struct devi
  
                kfree(ap->pmp_link);
                kfree(ap->slave_link);
@@ -98,7 +98,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
                kfree(ap);
                host->ports[i] = NULL;
        }
-@@ -6362,7 +6387,23 @@ int ata_host_register(struct ata_host *h
+@@ -6359,7 +6384,23 @@ int ata_host_register(struct ata_host *h
                host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
                host->ports[i]->local_port_no = i + 1;
        }
index 1ed1294..a1b0181 100644 (file)
  
        if (priv->hw->mode->set_16kib_bfsize)
                bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
-@@ -1033,257 +1234,516 @@ static int init_dma_desc_rings(struct ne
+@@ -1033,235 +1234,409 @@ static int init_dma_desc_rings(struct ne
  
        priv->dma_buf_sz = bfsize;
  
 -                                               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;
 +
 +      ret = alloc_dma_tx_desc_resources(priv);
 +
-+      return ret;
-+}
-+
+       return ret;
+ }
 +/**
 + * 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)
-+{
+ }
+ /**
+@@ -1271,19 +1646,104 @@ 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);
  }