kernel: bump 4.9 to 4.9.107
Refresh patches. Compile-tested for: ar71xx Run-tested on: ar71xx Archer C7 v2 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This commit is contained in:
parent
5609bbabf1
commit
f60301db74
5 changed files with 206 additions and 228 deletions
|
@ -4,12 +4,12 @@ LINUX_RELEASE?=1
|
|||
|
||||
LINUX_VERSION-3.18 = .71
|
||||
LINUX_VERSION-4.4 = .121
|
||||
LINUX_VERSION-4.9 = .106
|
||||
LINUX_VERSION-4.9 = .107
|
||||
LINUX_VERSION-4.14 = .48
|
||||
|
||||
LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
|
||||
LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729
|
||||
LINUX_KERNEL_HASH-4.9.106 = 2d409bb29588ea9a61bae006255ee97a675ded364c87a9ff43f687c5271bbe3c
|
||||
LINUX_KERNEL_HASH-4.9.107 = 3ce7f40ecee096cda1d51eb2cada105a39abe8da7b968ef85f52be961f22cad3
|
||||
LINUX_KERNEL_HASH-4.14.48 = 80a0608f611fe7a5c54556402cdc2880a21301e1c4e1b19d4c1db82ad2bf22b9
|
||||
|
||||
remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
|
||||
|
|
|
@ -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);
|
||||
|
||||
|
|
|
@ -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);
|
||||
|
||||
|
|
|
@ -68,7 +68,7 @@ Signed-off-by: Phil Elwell <phil@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@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;
|
||||
}
|
||||
|
|
|
@ -3095,7 +3095,7 @@
|
|||
|
||||
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;
|
||||
|
||||
|
@ -3351,10 +3351,17 @@
|
|||
- 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
|
||||
|
@ -3383,10 +3390,11 @@
|
|||
+
|
||||
+ 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
|
||||
+ */
|
||||
|
@ -3419,36 +3427,90 @@
|
|||
+
|
||||
+/**
|
||||
+ * 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,
|
||||
|
@ -3469,12 +3531,19 @@
|
|||
+ 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;
|
||||
|
@ -3531,7 +3600,7 @@
|
|||
+ GFP_KERNEL);
|
||||
+ if (!tx_q->dma_tx)
|
||||
+ goto err_dma_buffers;
|
||||
}
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
|
@ -3560,183 +3629,14 @@
|
|||
+
|
||||
+ 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 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)
|
||||
+{
|
||||
+ 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;
|
||||
- }
|
||||
+ 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.
|
||||
+ * 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
|
||||
+ * @chan: TX channel index
|
||||
+ * Description:
|
||||
+ * This starts a TX DMA channel
|
||||
+ */
|
||||
+static void stmmac_start_tx_dma(struct stmmac_priv *priv, u32 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
|
||||
+ * @chan: RX channel index
|
||||
+ * Description:
|
||||
+ * This stops a RX DMA channel
|
||||
+ */
|
||||
+static void stmmac_stop_rx_dma(struct stmmac_priv *priv, u32 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
|
||||
+ * @chan: TX channel index
|
||||
+ * Description:
|
||||
+ * This stops a TX DMA channel
|
||||
+ */
|
||||
+static void stmmac_stop_tx_dma(struct stmmac_priv *priv, u32 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
|
||||
+ * Description:
|
||||
+ * This starts all the RX and TX DMA channels
|
||||
+ */
|
||||
+static void stmmac_start_all_dma(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);
|
||||
|
@ -3762,6 +3662,99 @@
|
|||
- 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);
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -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 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);
|
||||
+ }
|
||||
+}
|
||||
|
||||
- /**
|
||||
- * 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 void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan)
|
||||
+{
|
||||
+ netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
|
||||
+ priv->hw->dma->start_rx(priv->ioaddr, chan);
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
+ * stmmac_start_tx_dma - start TX DMA channel
|
||||
+ * @priv: driver private structure
|
||||
+ * @chan: TX channel index
|
||||
+ * Description:
|
||||
+ * This starts a TX DMA channel
|
||||
+ */
|
||||
+static void stmmac_start_tx_dma(struct stmmac_priv *priv, u32 chan)
|
||||
+{
|
||||
+ netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
|
||||
+ priv->hw->dma->start_tx(priv->ioaddr, chan);
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
+ * stmmac_stop_rx_dma - stop RX DMA channel
|
||||
+ * @priv: driver private structure
|
||||
+ * @chan: RX channel index
|
||||
+ * Description:
|
||||
+ * This stops a RX DMA channel
|
||||
+ */
|
||||
+static void stmmac_stop_rx_dma(struct stmmac_priv *priv, u32 chan)
|
||||
+{
|
||||
+ netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
|
||||
+ priv->hw->dma->stop_rx(priv->ioaddr, chan);
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
+ * stmmac_stop_tx_dma - stop TX DMA channel
|
||||
+ * @priv: driver private structure
|
||||
+ * @chan: TX channel index
|
||||
+ * Description:
|
||||
+ * This stops a TX DMA channel
|
||||
+ */
|
||||
+static void stmmac_stop_tx_dma(struct stmmac_priv *priv, u32 chan)
|
||||
+{
|
||||
+ netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
|
||||
+ priv->hw->dma->stop_tx(priv->ioaddr, chan);
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
+ * stmmac_start_all_dma - start all RX and TX DMA channels
|
||||
+ * @priv: driver private structure
|
||||
+ * Description:
|
||||
+ * This starts all the RX and TX DMA channels
|
||||
+ */
|
||||
+static void stmmac_start_all_dma(struct stmmac_priv *priv)
|
||||
+{
|
||||
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
|
||||
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
|
||||
+ u32 chan = 0;
|
||||
|
@ -3771,38 +3764,23 @@
|
|||
+
|
||||
+ 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);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue