kernel: bump 4.9 to 4.9.108 for 18.06
authorKoen Vandeputte <koen.vandeputte@ncentric.com>
Thu, 14 Jun 2018 14:49:27 +0000 (16:49 +0200)
committerJohn Crispin <john@phrozen.org>
Mon, 18 Jun 2018 04:42:18 +0000 (06:42 +0200)
Refreshed all patches

Compile-tested on: ar71xx
Runtime-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
include/kernel-version.mk
target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch
target/linux/brcm2708/patches-4.9/950-0087-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch
target/linux/brcm2708/patches-4.9/950-0195-amba_pl011-Round-input-clock-up.patch
target/linux/generic/backport-4.9/075-v4.10-0005-net-phy-broadcom-Move-bcm54xx_auxctl_-read-write-to-.patch
target/linux/generic/backport-4.9/076-v4.11-0001-net-phy-broadcom-Allow-enabling-or-disabling-of-EEE.patch
target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch
target/linux/generic/hack-4.9/221-module_exports.patch
target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch

index 6c220f3..9fc3058 100644 (file)
@@ -4,13 +4,13 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .71
 LINUX_VERSION-4.4 = .121
 
 LINUX_VERSION-3.18 = .71
 LINUX_VERSION-4.4 = .121
-LINUX_VERSION-4.9 = .106
 LINUX_VERSION-4.14 = .48
 LINUX_VERSION-4.14 = .48
+LINUX_VERSION-4.9 = .108
 
 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
 LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729
 
 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
 LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729
-LINUX_KERNEL_HASH-4.9.106 = 2d409bb29588ea9a61bae006255ee97a675ded364c87a9ff43f687c5271bbe3c
 LINUX_KERNEL_HASH-4.14.48 = 80a0608f611fe7a5c54556402cdc2880a21301e1c4e1b19d4c1db82ad2bf22b9
 LINUX_KERNEL_HASH-4.14.48 = 80a0608f611fe7a5c54556402cdc2880a21301e1c4e1b19d4c1db82ad2bf22b9
+LINUX_KERNEL_HASH-4.9.108 = 73fe2ba98a17962ccf249b12103b0ac3c39b298eec6696ede8d6fceee45e4041
 
 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
 sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))
 
 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
 sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))
index 4c59876..1815ccb 100644 (file)
  
 --- a/net/ipv4/tcp_input.c
 +++ b/net/ipv4/tcp_input.c
  
 --- a/net/ipv4/tcp_input.c
 +++ b/net/ipv4/tcp_input.c
-@@ -3894,14 +3894,16 @@ static bool tcp_parse_aligned_timestamp(
+@@ -3896,14 +3896,16 @@ static bool tcp_parse_aligned_timestamp(
  {
        const __be32 *ptr = (const __be32 *)(th + 1);
  
  {
        const __be32 *ptr = (const __be32 *)(th + 1);
  
index 07944df..2710ed6 100644 (file)
@@ -14,7 +14,7 @@ use the same logic.
 
 --- a/drivers/tty/serial/amba-pl011.c
 +++ b/drivers/tty/serial/amba-pl011.c
 
 --- a/drivers/tty/serial/amba-pl011.c
 +++ b/drivers/tty/serial/amba-pl011.c
-@@ -2446,7 +2446,12 @@ static int pl011_setup_port(struct devic
+@@ -2501,7 +2501,12 @@ static int pl011_setup_port(struct devic
        if (IS_ERR(base))
                return PTR_ERR(base);
  
        if (IS_ERR(base))
                return PTR_ERR(base);
  
index 11293c3..b981be0 100644 (file)
@@ -68,7 +68,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  
        if (uap->vendor->fixed_options) {
                baud = uap->fixed_baud;
  
        if (uap->vendor->fixed_options) {
                baud = uap->fixed_baud;
-@@ -2377,6 +2394,7 @@ static struct uart_driver amba_reg = {
+@@ -2432,6 +2449,7 @@ static struct uart_driver amba_reg = {
        .cons                   = AMBA_CONSOLE,
  };
  
        .cons                   = AMBA_CONSOLE,
  };
  
@@ -76,7 +76,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  static int pl011_probe_dt_alias(int index, struct device *dev)
  {
        struct device_node *np;
  static int pl011_probe_dt_alias(int index, struct device *dev)
  {
        struct device_node *np;
-@@ -2408,6 +2426,7 @@ static int pl011_probe_dt_alias(int inde
+@@ -2463,6 +2481,7 @@ static int pl011_probe_dt_alias(int inde
  
        return ret;
  }
  
        return ret;
  }
index 03013a0..c8bf54c 100644 (file)
@@ -38,9 +38,9 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  {
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
  {
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
-@@ -19,6 +19,9 @@
int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
- int bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
+@@ -26,6 +26,9 @@ static inline int bcm_phy_write_exp_sel(
      return bcm_phy_write_exp(phydev, reg | MII_BCM54XX_EXP_SEL_ER, val);
+ }
  
 +int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val);
 +int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum);
  
 +int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val);
 +int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum);
index 96fb3da..35eee77 100644 (file)
@@ -78,7 +78,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  MODULE_LICENSE("GPL v2");
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
  MODULE_LICENSE("GPL v2");
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
-@@ -36,5 +36,5 @@ int bcm_phy_config_intr(struct phy_devic
+@@ -43,5 +43,5 @@ int bcm_phy_config_intr(struct phy_devic
  
  int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down);
  
  
  int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down);
  
index 1bdecf5..83cfe1f 100644 (file)
@@ -100,7 +100,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  MODULE_AUTHOR("Broadcom Corporation");
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
  MODULE_AUTHOR("Broadcom Corporation");
 --- a/drivers/net/phy/bcm-phy-lib.h
 +++ b/drivers/net/phy/bcm-phy-lib.h
-@@ -37,4 +37,10 @@ int bcm_phy_config_intr(struct phy_devic
+@@ -44,4 +44,10 @@ int bcm_phy_config_intr(struct phy_devic
  int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down);
  
  int bcm_phy_set_eee(struct phy_device *phydev, bool enable);
  int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down);
  
  int bcm_phy_set_eee(struct phy_device *phydev, bool enable);
index fddf57b..a2027d0 100644 (file)
@@ -90,7 +90,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
        __used                                                          \
 --- a/scripts/Makefile.build
 +++ b/scripts/Makefile.build
        __used                                                          \
 --- a/scripts/Makefile.build
 +++ b/scripts/Makefile.build
-@@ -398,7 +398,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+@@ -401,7 +401,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
  # Linker scripts preprocessor (.lds.S -> .lds)
  # ---------------------------------------------------------------------------
  quiet_cmd_cpp_lds_S = LDS     $@
  # Linker scripts preprocessor (.lds.S -> .lds)
  # ---------------------------------------------------------------------------
  quiet_cmd_cpp_lds_S = LDS     $@
index a1b0181..1ed1294 100644 (file)
  
        if (priv->hw->mode->set_16kib_bfsize)
                bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
  
        if (priv->hw->mode->set_16kib_bfsize)
                bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
-@@ -1033,235 +1234,409 @@ static int init_dma_desc_rings(struct ne
+@@ -1033,257 +1234,516 @@ static int init_dma_desc_rings(struct ne
  
        priv->dma_buf_sz = bfsize;
  
  
        priv->dma_buf_sz = bfsize;
  
 -                                               priv->tx_skbuff_dma[i].buf,
 -                                               priv->tx_skbuff_dma[i].len,
 -                                               DMA_TO_DEVICE);
 -                                               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);
 +}
 +      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
 +/**
 + * free_dma_rx_desc_resources - free RX dma desc resources
 + * @priv: private structure
 +
 +              kfree(rx_q->rx_skbuff_dma);
 +              kfree(rx_q->rx_skbuff);
 +
 +              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
 + */
 + * free_dma_tx_desc_resources - free TX dma desc resources
 + * @priv: private structure
 + */
 +
 +/**
 + * alloc_dma_rx_desc_resources - alloc RX resources.
 +
 +/**
 + * 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.
-  */
--static int alloc_dma_desc_resources(struct stmmac_priv *priv)
++ * @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_rx_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;
 +      u32 rx_count = priv->plat->rx_queues_to_use;
-       int ret = -ENOMEM;
++      int ret = -ENOMEM;
 +      u32 queue;
 +      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];
 +      /* 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;
 +              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),
 +              rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
 +                                                  sizeof(dma_addr_t),
-                                                   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;
++                                                  GFP_KERNEL);
 +              if (!rx_q->rx_skbuff_dma)
 +                      return -ENOMEM;
 +              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)
 +              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,
 +
 +              if (priv->extend_desc) {
 +                      rx_q->dma_erx = dma_zalloc_coherent(priv->device,
 +                                                         GFP_KERNEL);
 +                      if (!rx_q->dma_rx)
 +                              goto err_dma;
 +                                                         GFP_KERNEL);
 +                      if (!rx_q->dma_rx)
 +                              goto 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);
++              }
++      }
++
++      return 0;
++
++err_dma:
 +      free_dma_rx_desc_resources(priv);
 +
 +      return ret;
 +      free_dma_rx_desc_resources(priv);
 +
 +      return ret;
 +                                                         GFP_KERNEL);
 +                      if (!tx_q->dma_tx)
 +                              goto err_dma_buffers;
 +                                                         GFP_KERNEL);
 +                      if (!tx_q->dma_tx)
 +                              goto err_dma_buffers;
-+              }
+               }
 +      }
 +
 +      return 0;
 +      }
 +
 +      return 0;
 +
 +      ret = alloc_dma_tx_desc_resources(priv);
 +
 +
 +      ret = alloc_dma_tx_desc_resources(priv);
 +
-       return ret;
- }
++      return ret;
++}
++
 +/**
 + * free_dma_desc_resources - free dma desc 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)
- {
--      /* 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);
++static void free_dma_desc_resources(struct stmmac_priv *priv)
++{
 +      /* Release the DMA RX socket buffers */
 +      free_dma_rx_desc_resources(priv);
 +
 +      /* Release the DMA TX socket buffers */
 +      free_dma_tx_desc_resources(priv);
 +      /* Release the DMA RX socket buffers */
 +      free_dma_rx_desc_resources(priv);
 +
 +      /* Release the DMA TX socket buffers */
 +      free_dma_tx_desc_resources(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;
++}
++
++/**
++ *  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)
++{
 +      u32 rx_queues_count = priv->plat->rx_queues_to_use;
 +      int queue;
 +      u8 mode;
  
 +      u32 rx_queues_count = priv->plat->rx_queues_to_use;
 +      int queue;
 +      u8 mode;
  
--      /* If GMAC does not have multiple queues, then this is not necessary*/
--      if (rx_count == 1)
--              return;
+-              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;
+-              }
 +      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);
 +      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);
-+      }
-+}
+       }
+ }
  
  
--      /**
--       *  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);
-+/**
+ /**
+- * 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.
 + * stmmac_start_rx_dma - start RX DMA channel
 + * @priv: driver private structure
 + * @chan: RX channel index
 + * Description:
 + * This starts a RX DMA channel
 + * 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)
 +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);
 +}
 +      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
 +/**
 + * 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);
 +}
 +      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
 +/**
 + * 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);
 +}
 +      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
 +/**
 + * 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);
 +{
 +      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
 +/**
 + * 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)
 + * 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;
 +      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);
 +
 +      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
 + * 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)
 +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;
 +      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);
 +      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);
  }
 +      for (chan = 0; chan < tx_channels_count; chan++)
 +              stmmac_stop_tx_dma(priv, chan);
  }