提交 8bc7dc75 编写于 作者: C coolsnowwolf

kernel update 4.9 to 4.9.107

上级 9ae8d6f9
...@@ -4,12 +4,12 @@ LINUX_RELEASE?=1 ...@@ -4,12 +4,12 @@ LINUX_RELEASE?=1
LINUX_VERSION-3.18 = .71 LINUX_VERSION-3.18 = .71
LINUX_VERSION-4.4 = .121 LINUX_VERSION-4.4 = .121
LINUX_VERSION-4.9 = .106 LINUX_VERSION-4.9 = .107
LINUX_VERSION-4.14 = .48 LINUX_VERSION-4.14 = .48
LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729 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 LINUX_KERNEL_HASH-4.14.48 = 80a0608f611fe7a5c54556402cdc2880a21301e1c4e1b19d4c1db82ad2bf22b9
remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1)))) remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
......
...@@ -795,7 +795,7 @@ ...@@ -795,7 +795,7 @@
--- a/net/ipv4/tcp_input.c --- a/net/ipv4/tcp_input.c
+++ b/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);
......
...@@ -14,7 +14,7 @@ use the same logic. ...@@ -14,7 +14,7 @@ use the same logic.
--- a/drivers/tty/serial/amba-pl011.c --- a/drivers/tty/serial/amba-pl011.c
+++ b/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)) if (IS_ERR(base))
return PTR_ERR(base); return PTR_ERR(base);
......
...@@ -68,7 +68,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> ...@@ -68,7 +68,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
if (uap->vendor->fixed_options) { if (uap->vendor->fixed_options) {
baud = uap->fixed_baud; 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> ...@@ -76,7 +76,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
static int pl011_probe_dt_alias(int index, struct device *dev) static int pl011_probe_dt_alias(int index, struct device *dev)
{ {
struct device_node *np; 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;
} }
......
...@@ -3095,7 +3095,7 @@ ...@@ -3095,7 +3095,7 @@
if (priv->hw->mode->set_16kib_bfsize) if (priv->hw->mode->set_16kib_bfsize)
bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu); 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->dma_buf_sz = bfsize;
...@@ -3351,10 +3351,17 @@ ...@@ -3351,10 +3351,17 @@
- priv->tx_skbuff_dma[i].buf, - priv->tx_skbuff_dma[i].buf,
- priv->tx_skbuff_dma[i].len, - priv->tx_skbuff_dma[i].len,
- DMA_TO_DEVICE); - DMA_TO_DEVICE);
- }
+ for (i = 0; i < DMA_TX_SIZE; i++) + for (i = 0; i < DMA_TX_SIZE; i++)
+ stmmac_free_tx_buffer(priv, queue, 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 + * free_dma_rx_desc_resources - free RX dma desc resources
+ * @priv: private structure + * @priv: private structure
...@@ -3383,10 +3390,11 @@ ...@@ -3383,10 +3390,11 @@
+ +
+ kfree(rx_q->rx_skbuff_dma); + kfree(rx_q->rx_skbuff_dma);
+ kfree(rx_q->rx_skbuff); + kfree(rx_q->rx_skbuff);
+ } }
+} }
+
+/** /**
- * alloc_dma_desc_resources - alloc TX/RX resources.
+ * free_dma_tx_desc_resources - free TX dma desc resources + * free_dma_tx_desc_resources - free TX dma desc resources
+ * @priv: private structure + * @priv: private structure
+ */ + */
...@@ -3419,36 +3427,90 @@ ...@@ -3419,36 +3427,90 @@
+ +
+/** +/**
+ * alloc_dma_rx_desc_resources - alloc RX resources. + * alloc_dma_rx_desc_resources - alloc RX resources.
+ * @priv: private structure * @priv: private structure
+ * Description: according to which descriptor can be used (extend or basic) * Description: according to which descriptor can be used (extend or basic)
+ * this function allocates the resources for TX and RX paths. In case of * 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 * reception, for example, it pre-allocated the RX socket buffer in order to
+ * allow zero-copy mechanism. * 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) +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 */ + /* RX queues buffers and DMA */
+ for (queue = 0; queue < rx_count; queue++) { + for (queue = 0; queue < rx_count; queue++) {
+ struct stmmac_rx_queue *rx_q = &priv->rx_queue[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->queue_index = queue;
+ rx_q->priv_data = priv; + 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, + rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
+ sizeof(dma_addr_t), + 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) + if (!rx_q->rx_skbuff_dma)
+ return -ENOMEM; + 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, + rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
+ sizeof(struct sk_buff *), + sizeof(struct sk_buff *),
+ GFP_KERNEL); + GFP_KERNEL);
+ if (!rx_q->rx_skbuff) + if (!rx_q->rx_skbuff)
+ goto err_dma; goto err_dma;
+ +
+ if (priv->extend_desc) { + if (priv->extend_desc) {
+ rx_q->dma_erx = dma_zalloc_coherent(priv->device, + rx_q->dma_erx = dma_zalloc_coherent(priv->device,
...@@ -3469,12 +3531,19 @@ ...@@ -3469,12 +3531,19 @@
+ GFP_KERNEL); + GFP_KERNEL);
+ if (!rx_q->dma_rx) + if (!rx_q->dma_rx)
+ goto err_dma; + goto err_dma;
+ } }
+ } }
+
+ return 0; return 0;
+
+err_dma: 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); + free_dma_rx_desc_resources(priv);
+ +
+ return ret; + return ret;
...@@ -3531,7 +3600,7 @@ ...@@ -3531,7 +3600,7 @@
+ GFP_KERNEL); + GFP_KERNEL);
+ if (!tx_q->dma_tx) + if (!tx_q->dma_tx)
+ goto err_dma_buffers; + goto err_dma_buffers;
} + }
+ } + }
+ +
+ return 0; + return 0;
...@@ -3560,126 +3629,85 @@ ...@@ -3560,126 +3629,85 @@
+ +
+ 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 + * free_dma_desc_resources - free dma desc resources
+ * @priv: private structure + * @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 */ + /* Release the DMA RX socket buffers */
+ free_dma_rx_desc_resources(priv); + free_dma_rx_desc_resources(priv);
+ +
+ /* Release the DMA TX socket buffers */ + /* Release the DMA TX socket buffers */
+ free_dma_tx_desc_resources(priv); + free_dma_tx_desc_resources(priv);
+} }
+
+/** /**
+ * stmmac_mac_enable_rx_queues - Enable MAC rx queues @@ -1271,19 +1646,104 @@ static void free_dma_desc_resources(stru
+ * @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)
+ */ {
+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; + u32 rx_queues_count = priv->plat->rx_queues_to_use;
+ int queue; + int queue;
+ u8 mode; + u8 mode;
- if (priv->tx_skbuff[i]) { - /* If GMAC does not have multiple queues, then this is not necessary*/
- dev_kfree_skb_any(priv->tx_skbuff[i]); - if (rx_count == 1)
- priv->tx_skbuff[i] = NULL; - return;
- priv->tx_skbuff_dma[i].buf = 0;
- priv->tx_skbuff_dma[i].map_as_page = false;
- }
+ for (queue = 0; queue < rx_queues_count; queue++) { + for (queue = 0; queue < rx_queues_count; queue++) {
+ mode = priv->plat->rx_queues_cfg[queue].mode_to_use; + mode = priv->plat->rx_queues_cfg[queue].mode_to_use;
+ priv->hw->mac->rx_queue_enable(priv->hw, mode, queue); + priv->hw->mac->rx_queue_enable(priv->hw, mode, queue);
} + }
} +}
/** - /**
- * alloc_dma_desc_resources - alloc TX/RX resources. - * If the core is synthesized with multiple rx queues / multiple
- * @priv: private structure - * dma channels, then rx queues will be disabled by default.
- * Description: according to which descriptor can be used (extend or basic) - * For now only rx queue 0 is enabled.
- * 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 - priv->hw->mac->rx_queue_enable(priv->hw, queue);
- * allow zero-copy mechanism. +/**
+ * stmmac_start_rx_dma - start RX DMA channel + * stmmac_start_rx_dma - start RX DMA channel
+ * @priv: driver private structure + * @priv: driver private structure
+ * @chan: RX channel index + * @chan: RX channel index
+ * Description: + * Description:
+ * This starts a RX DMA channel + * 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); + netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
+ priv->hw->dma->start_rx(priv->ioaddr, 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 + * stmmac_start_tx_dma - start TX DMA channel
+ * @priv: driver private structure + * @priv: driver private structure
...@@ -3692,8 +3720,7 @@ ...@@ -3692,8 +3720,7 @@
+ netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan); + netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
+ priv->hw->dma->start_tx(priv->ioaddr, chan); + priv->hw->dma->start_tx(priv->ioaddr, chan);
+} +}
+
- return 0;
+/** +/**
+ * stmmac_stop_rx_dma - stop RX DMA channel + * stmmac_stop_rx_dma - stop RX DMA channel
+ * @priv: driver private structure + * @priv: driver private structure
...@@ -3706,16 +3733,7 @@ ...@@ -3706,16 +3733,7 @@
+ netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan); + netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
+ priv->hw->dma->stop_rx(priv->ioaddr, 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 + * stmmac_stop_tx_dma - stop TX DMA channel
+ * @priv: driver private structure + * @priv: driver private structure
...@@ -3727,9 +3745,8 @@ ...@@ -3727,9 +3745,8 @@
+{ +{
+ netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan); + netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
+ priv->hw->dma->stop_tx(priv->ioaddr, 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 + * stmmac_start_all_dma - start all RX and TX DMA channels
+ * @priv: driver private structure + * @priv: driver private structure
...@@ -3737,31 +3754,7 @@ ...@@ -3737,31 +3754,7 @@
+ * This starts all the RX and TX DMA channels + * This starts all the RX and TX DMA channels
+ */ + */
+static void stmmac_start_all_dma(struct stmmac_priv *priv) +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 rx_channels_count = priv->plat->rx_queues_to_use;
+ u32 tx_channels_count = priv->plat->tx_queues_to_use; + u32 tx_channels_count = priv->plat->tx_queues_to_use;
+ u32 chan = 0; + u32 chan = 0;
...@@ -3771,38 +3764,23 @@ ...@@ -3771,38 +3764,23 @@
+ +
+ for (chan = 0; chan < tx_channels_count; chan++) + for (chan = 0; chan < tx_channels_count; chan++)
+ stmmac_start_tx_dma(priv, 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 + * stmmac_stop_all_dma - stop all RX and TX DMA channels
+ * @priv: driver private structure + * @priv: driver private structure
+ * Description: + * Description:
+ * This stops the RX and TX DMA channels + * 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 rx_channels_count = priv->plat->rx_queues_to_use;
+ u32 tx_channels_count = priv->plat->tx_queues_to_use; + u32 tx_channels_count = priv->plat->tx_queues_to_use;
+ u32 chan = 0; + 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++) + for (chan = 0; chan < rx_channels_count; chan++)
+ stmmac_stop_rx_dma(priv, 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++) + for (chan = 0; chan < tx_channels_count; chan++)
+ stmmac_stop_tx_dma(priv, chan); + stmmac_stop_tx_dma(priv, chan);
} }
......
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