[OpenWrt-Devel] [PATCH 1/2] kernel: bump 4.9 to 4.9.108 for 18.06
Koen Vandeputte
koen.vandeputte at ncentric.com
Thu Jun 14 10:49:27 EDT 2018
Refreshed all patches
Compile-tested on: ar71xx
Runtime-tested on: ar71xx
Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
include/kernel-version.mk | 4 +-
.../patches-4.9/910-unaligned_access_hacks.patch | 2 +-
..._pl011-Don-t-use-DT-aliases-for-numbering.patch | 2 +-
.../950-0195-amba_pl011-Round-input-clock-up.patch | 4 +-
...adcom-Move-bcm54xx_auxctl_-read-write-to-.patch | 6 +-
...oadcom-Allow-enabling-or-disabling-of-EEE.patch | 2 +-
...adcom-Add-support-code-for-reading-PHY-co.patch | 2 +-
.../generic/hack-4.9/221-module_exports.patch | 2 +-
.../sunxi/patches-4.9/0052-stmmac-form-4-12.patch | 344 +++++++++++----------
9 files changed, 195 insertions(+), 173 deletions(-)
diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index 6c220f3f2a1f..9fc30581614c 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -4,13 +4,13 @@ LINUX_RELEASE?=1
LINUX_VERSION-3.18 = .71
LINUX_VERSION-4.4 = .121
-LINUX_VERSION-4.9 = .106
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-4.9.106 = 2d409bb29588ea9a61bae006255ee97a675ded364c87a9ff43f687c5271bbe3c
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)))))))
diff --git a/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch
index 4c59876b8266..1815ccb1d318 100644
--- a/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch
+++ b/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch
@@ -795,7 +795,7 @@
--- 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);
diff --git a/target/linux/brcm2708/patches-4.9/950-0087-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch b/target/linux/brcm2708/patches-4.9/950-0087-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch
index 07944df1e018..2710ed63d76a 100644
--- a/target/linux/brcm2708/patches-4.9/950-0087-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0087-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch
@@ -14,7 +14,7 @@ use the same logic.
--- 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);
diff --git a/target/linux/brcm2708/patches-4.9/950-0195-amba_pl011-Round-input-clock-up.patch b/target/linux/brcm2708/patches-4.9/950-0195-amba_pl011-Round-input-clock-up.patch
index 11293c360ebf..b981be02ac0f 100644
--- a/target/linux/brcm2708/patches-4.9/950-0195-amba_pl011-Round-input-clock-up.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0195-amba_pl011-Round-input-clock-up.patch
@@ -68,7 +68,7 @@ Signed-off-by: Phil Elwell <phil at raspberrypi.org>
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,
};
@@ -76,7 +76,7 @@ Signed-off-by: Phil Elwell <phil at raspberrypi.org>
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;
}
diff --git a/target/linux/generic/backport-4.9/075-v4.10-0005-net-phy-broadcom-Move-bcm54xx_auxctl_-read-write-to-.patch b/target/linux/generic/backport-4.9/075-v4.10-0005-net-phy-broadcom-Move-bcm54xx_auxctl_-read-write-to-.patch
index 03013a01974d..c8bf54c781a4 100644
--- a/target/linux/generic/backport-4.9/075-v4.10-0005-net-phy-broadcom-Move-bcm54xx_auxctl_-read-write-to-.patch
+++ b/target/linux/generic/backport-4.9/075-v4.10-0005-net-phy-broadcom-Move-bcm54xx_auxctl_-read-write-to-.patch
@@ -38,9 +38,9 @@ Signed-off-by: David S. Miller <davem at davemloft.net>
{
--- 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);
diff --git a/target/linux/generic/backport-4.9/076-v4.11-0001-net-phy-broadcom-Allow-enabling-or-disabling-of-EEE.patch b/target/linux/generic/backport-4.9/076-v4.11-0001-net-phy-broadcom-Allow-enabling-or-disabling-of-EEE.patch
index 96fb3da5b0d3..35eee772dd24 100644
--- a/target/linux/generic/backport-4.9/076-v4.11-0001-net-phy-broadcom-Allow-enabling-or-disabling-of-EEE.patch
+++ b/target/linux/generic/backport-4.9/076-v4.11-0001-net-phy-broadcom-Allow-enabling-or-disabling-of-EEE.patch
@@ -78,7 +78,7 @@ Signed-off-by: David S. Miller <davem at davemloft.net>
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);
diff --git a/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch b/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch
index 1bdecf57290e..83cfe1f5d33f 100644
--- a/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch
+++ b/target/linux/generic/backport-4.9/076-v4.11-0002-net-phy-broadcom-Add-support-code-for-reading-PHY-co.patch
@@ -100,7 +100,7 @@ Signed-off-by: David S. Miller <davem at davemloft.net>
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);
diff --git a/target/linux/generic/hack-4.9/221-module_exports.patch b/target/linux/generic/hack-4.9/221-module_exports.patch
index fddf57b47ca9..a2027d0d5aa1 100644
--- a/target/linux/generic/hack-4.9/221-module_exports.patch
+++ b/target/linux/generic/hack-4.9/221-module_exports.patch
@@ -90,7 +90,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
__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 $@
diff --git a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
index a1b018186f55..1ed12946946d 100644
--- a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
+++ b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
@@ -3095,7 +3095,7 @@
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;
@@ -3351,17 +3351,10 @@
- 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
@@ -3390,11 +3383,10 @@
+
+ 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
+ */
@@ -3427,90 +3419,36 @@
+
+/**
+ * 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)
- {
++{
+ 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);
-- 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;
-
-- 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,
@@ -3531,19 +3469,12 @@
+ 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;
@@ -3600,7 +3531,7 @@
+ GFP_KERNEL);
+ if (!tx_q->dma_tx)
+ goto err_dma_buffers;
-+ }
+ }
+ }
+
+ return 0;
@@ -3629,85 +3560,126 @@
+
+ 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)
- {
-- /* 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);
- }
-
- /**
-@@ -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;
-- /* 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);
-+ }
-+}
+ }
+ }
-- /**
-- * 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
-+ */
+ */
+-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
@@ -3720,7 +3692,8 @@
+ 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
@@ -3733,7 +3706,16 @@
+ 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
@@ -3745,8 +3727,9 @@
+{
+ 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
@@ -3754,7 +3737,31 @@
+ * 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;
@@ -3764,23 +3771,38 @@
+
+ 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);
}
--
2.7.4
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