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ramips: raeth: use 're' instead of 'priv' everywhere 

SVN-Revision: 30552
lede-17.01
Gabor Juhos 2012-02-15 18:33:38 +00:00
parent 253df98347
commit 8c95385d78
1 changed files with 72 additions and 72 deletions
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144
target/linux/ramips/files/drivers/net/ramips.c
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@ -560,49 +560,49 @@ ramips_setup_dma(struct raeth_priv *re)
static int static int
ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
unsigned long tx; unsigned long tx;
unsigned int tx_next; unsigned int tx_next;
dma_addr_t mapped_addr; dma_addr_t mapped_addr;
if (priv->plat->min_pkt_len) { if (re->plat->min_pkt_len) {
if (skb->len < priv->plat->min_pkt_len) { if (skb->len < re->plat->min_pkt_len) {
if (skb_padto(skb, priv->plat->min_pkt_len)) { if (skb_padto(skb, re->plat->min_pkt_len)) {
printk(KERN_ERR printk(KERN_ERR
"ramips_eth: skb_padto failed\n"); "ramips_eth: skb_padto failed\n");
kfree_skb(skb); kfree_skb(skb);
return 0; return 0;
} }
skb_put(skb, priv->plat->min_pkt_len - skb->len); skb_put(skb, re->plat->min_pkt_len - skb->len);
} }
} }
dev->trans_start = jiffies; dev->trans_start = jiffies;
mapped_addr = dma_map_single(&priv->netdev->dev, skb->data, skb->len, mapped_addr = dma_map_single(&re->netdev->dev, skb->data, skb->len,
DMA_TO_DEVICE); DMA_TO_DEVICE);
spin_lock(&priv->page_lock); spin_lock(&re->page_lock);
tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0); tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0);
tx_next = (tx + 1) % NUM_TX_DESC; tx_next = (tx + 1) % NUM_TX_DESC;
if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) || if ((re->tx_skb[tx]) || (re->tx_skb[tx_next]) ||
!(priv->tx[tx].txd2 & TX_DMA_DONE) || !(re->tx[tx].txd2 & TX_DMA_DONE) ||
!(priv->tx[tx_next].txd2 & TX_DMA_DONE)) !(re->tx[tx_next].txd2 & TX_DMA_DONE))
goto out; goto out;
priv->tx[tx].txd1 = (unsigned int) mapped_addr; re->tx[tx].txd1 = (unsigned int) mapped_addr;
priv->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE); re->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE);
priv->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len); re->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len);
dev->stats.tx_packets++; dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len; dev->stats.tx_bytes += skb->len;
priv->tx_skb[tx] = skb; re->tx_skb[tx] = skb;
wmb(); wmb();
ramips_fe_wr(tx_next, RAMIPS_TX_CTX_IDX0); ramips_fe_wr(tx_next, RAMIPS_TX_CTX_IDX0);
spin_unlock(&priv->page_lock); spin_unlock(&re->page_lock);
return NETDEV_TX_OK; return NETDEV_TX_OK;
out: out:
spin_unlock(&priv->page_lock); spin_unlock(&re->page_lock);
dev->stats.tx_dropped++; dev->stats.tx_dropped++;
kfree_skb(skb); kfree_skb(skb);
return NETDEV_TX_OK; return NETDEV_TX_OK;
@ -612,7 +612,7 @@ static void
ramips_eth_rx_hw(unsigned long ptr) ramips_eth_rx_hw(unsigned long ptr)
{ {
struct net_device *dev = (struct net_device *) ptr; struct net_device *dev = (struct net_device *) ptr;
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
int rx; int rx;
int max_rx = 16; int max_rx = 16;
@ -621,19 +621,19 @@ ramips_eth_rx_hw(unsigned long ptr)
int pktlen; int pktlen;
rx = (ramips_fe_rr(RAMIPS_RX_CALC_IDX0) + 1) % NUM_RX_DESC; rx = (ramips_fe_rr(RAMIPS_RX_CALC_IDX0) + 1) % NUM_RX_DESC;
if (!(priv->rx[rx].rxd2 & RX_DMA_DONE)) if (!(re->rx[rx].rxd2 & RX_DMA_DONE))
break; break;
max_rx--; max_rx--;
rx_skb = priv->rx_skb[rx]; rx_skb = re->rx_skb[rx];
pktlen = RX_DMA_PLEN0(priv->rx[rx].rxd2); pktlen = RX_DMA_PLEN0(re->rx[rx].rxd2);
new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN); new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
/* Reuse the buffer on allocation failures */ /* Reuse the buffer on allocation failures */
if (new_skb) { if (new_skb) {
dma_addr_t dma_addr; dma_addr_t dma_addr;
dma_unmap_single(&priv->netdev->dev, priv->rx_dma[rx], dma_unmap_single(&re->netdev->dev, re->rx_dma[rx],
MAX_RX_LENGTH, DMA_FROM_DEVICE); MAX_RX_LENGTH, DMA_FROM_DEVICE);
skb_put(rx_skb, pktlen); skb_put(rx_skb, pktlen);
@ -644,26 +644,26 @@ ramips_eth_rx_hw(unsigned long ptr)
dev->stats.rx_bytes += pktlen; dev->stats.rx_bytes += pktlen;
netif_rx(rx_skb); netif_rx(rx_skb);
priv->rx_skb[rx] = new_skb; re->rx_skb[rx] = new_skb;
skb_reserve(new_skb, NET_IP_ALIGN); skb_reserve(new_skb, NET_IP_ALIGN);
dma_addr = dma_map_single(&priv->netdev->dev, dma_addr = dma_map_single(&re->netdev->dev,
new_skb->data, new_skb->data,
MAX_RX_LENGTH, MAX_RX_LENGTH,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
priv->rx_dma[rx] = dma_addr; re->rx_dma[rx] = dma_addr;
priv->rx[rx].rxd1 = (unsigned int) dma_addr; re->rx[rx].rxd1 = (unsigned int) dma_addr;
} else { } else {
dev->stats.rx_dropped++; dev->stats.rx_dropped++;
} }
priv->rx[rx].rxd2 &= ~RX_DMA_DONE; re->rx[rx].rxd2 &= ~RX_DMA_DONE;
wmb(); wmb();
ramips_fe_wr(rx, RAMIPS_RX_CALC_IDX0); ramips_fe_wr(rx, RAMIPS_RX_CALC_IDX0);
} }
if (max_rx == 0) if (max_rx == 0)
tasklet_schedule(&priv->rx_tasklet); tasklet_schedule(&re->rx_tasklet);
else else
ramips_fe_int_enable(RAMIPS_RX_DLY_INT); ramips_fe_int_enable(RAMIPS_RX_DLY_INT);
} }
@ -672,18 +672,18 @@ static void
ramips_eth_tx_housekeeping(unsigned long ptr) ramips_eth_tx_housekeeping(unsigned long ptr)
{ {
struct net_device *dev = (struct net_device*)ptr; struct net_device *dev = (struct net_device*)ptr;
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
spin_lock(&priv->page_lock); spin_lock(&re->page_lock);
while ((priv->tx[priv->skb_free_idx].txd2 & TX_DMA_DONE) && while ((re->tx[re->skb_free_idx].txd2 & TX_DMA_DONE) &&
(priv->tx_skb[priv->skb_free_idx])) { (re->tx_skb[re->skb_free_idx])) {
dev_kfree_skb_irq(priv->tx_skb[priv->skb_free_idx]); dev_kfree_skb_irq(re->tx_skb[re->skb_free_idx]);
priv->tx_skb[priv->skb_free_idx] = 0; re->tx_skb[re->skb_free_idx] = 0;
priv->skb_free_idx++; re->skb_free_idx++;
if (priv->skb_free_idx >= NUM_TX_DESC) if (re->skb_free_idx >= NUM_TX_DESC)
priv->skb_free_idx = 0; re->skb_free_idx = 0;
} }
spin_unlock(&priv->page_lock); spin_unlock(&re->page_lock);
ramips_fe_int_enable(RAMIPS_TX_DLY_INT); ramips_fe_int_enable(RAMIPS_TX_DLY_INT);
} }
@ -691,27 +691,27 @@ ramips_eth_tx_housekeeping(unsigned long ptr)
static void static void
ramips_eth_timeout(struct net_device *dev) ramips_eth_timeout(struct net_device *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
tasklet_schedule(&priv->tx_housekeeping_tasklet); tasklet_schedule(&re->tx_housekeeping_tasklet);
} }
static irqreturn_t static irqreturn_t
ramips_eth_irq(int irq, void *dev) ramips_eth_irq(int irq, void *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS); unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS);
ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS); ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);
if (fe_int & RAMIPS_RX_DLY_INT) { if (fe_int & RAMIPS_RX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_RX_DLY_INT); ramips_fe_int_disable(RAMIPS_RX_DLY_INT);
tasklet_schedule(&priv->rx_tasklet); tasklet_schedule(&re->rx_tasklet);
} }
if (fe_int & RAMIPS_TX_DLY_INT) { if (fe_int & RAMIPS_TX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_TX_DLY_INT); ramips_fe_int_disable(RAMIPS_TX_DLY_INT);
tasklet_schedule(&priv->tx_housekeeping_tasklet); tasklet_schedule(&re->tx_housekeeping_tasklet);
} }
return IRQ_HANDLED; return IRQ_HANDLED;
@ -720,7 +720,7 @@ ramips_eth_irq(int irq, void *dev)
static int static int
ramips_eth_open(struct net_device *dev) ramips_eth_open(struct net_device *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
int err; int err;
err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED, err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED,
@ -728,27 +728,27 @@ ramips_eth_open(struct net_device *dev)
if (err) if (err)
return err; return err;
err = ramips_alloc_dma(priv); err = ramips_alloc_dma(re);
if (err) if (err)
goto err_free_irq; goto err_free_irq;
ramips_hw_set_macaddr(dev->dev_addr); ramips_hw_set_macaddr(dev->dev_addr);
ramips_setup_dma(priv); ramips_setup_dma(re);
ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) | ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) |
(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | (RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN |
RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS), RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS),
RAMIPS_PDMA_GLO_CFG); RAMIPS_PDMA_GLO_CFG);
ramips_fe_wr((ramips_fe_rr(RAMIPS_FE_GLO_CFG) & ramips_fe_wr((ramips_fe_rr(RAMIPS_FE_GLO_CFG) &
~(RAMIPS_US_CYC_CNT_MASK << RAMIPS_US_CYC_CNT_SHIFT)) | ~(RAMIPS_US_CYC_CNT_MASK << RAMIPS_US_CYC_CNT_SHIFT)) |
((priv->plat->sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT), ((re->plat->sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT),
RAMIPS_FE_GLO_CFG); RAMIPS_FE_GLO_CFG);
tasklet_init(&priv->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping, tasklet_init(&re->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping,
(unsigned long)dev); (unsigned long)dev);
tasklet_init(&priv->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev); tasklet_init(&re->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev);
ramips_phy_start(priv); ramips_phy_start(re);
ramips_fe_wr(RAMIPS_DELAY_INIT, RAMIPS_DLY_INT_CFG); ramips_fe_wr(RAMIPS_DELAY_INIT, RAMIPS_DLY_INT_CFG);
ramips_fe_wr(RAMIPS_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAMIPS_FE_INT_ENABLE); ramips_fe_wr(RAMIPS_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAMIPS_FE_INT_ENABLE);
@ -773,7 +773,7 @@ ramips_eth_open(struct net_device *dev)
static int static int
ramips_eth_stop(struct net_device *dev) ramips_eth_stop(struct net_device *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
ramips_fe_wr(ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & ramips_fe_wr(ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) &
~(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN), ~(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN),
@ -782,12 +782,12 @@ ramips_eth_stop(struct net_device *dev)
/* disable all interrupts in the hw */ /* disable all interrupts in the hw */
ramips_fe_wr(0, RAMIPS_FE_INT_ENABLE); ramips_fe_wr(0, RAMIPS_FE_INT_ENABLE);
ramips_phy_stop(priv); ramips_phy_stop(re);
free_irq(dev->irq, dev); free_irq(dev->irq, dev);
netif_stop_queue(dev); netif_stop_queue(dev);
tasklet_kill(&priv->tx_housekeeping_tasklet); tasklet_kill(&re->tx_housekeeping_tasklet);
tasklet_kill(&priv->rx_tasklet); tasklet_kill(&re->rx_tasklet);
ramips_cleanup_dma(priv); ramips_cleanup_dma(re);
RADEBUG("ramips_eth: stopped\n"); RADEBUG("ramips_eth: stopped\n");
return 0; return 0;
} }
@ -795,32 +795,32 @@ ramips_eth_stop(struct net_device *dev)
static int __init static int __init
ramips_eth_probe(struct net_device *dev) ramips_eth_probe(struct net_device *dev)
{ {
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *re = netdev_priv(dev);
int err; int err;
BUG_ON(!priv->plat->reset_fe); BUG_ON(!re->plat->reset_fe);
priv->plat->reset_fe(); re->plat->reset_fe();
net_srandom(jiffies); net_srandom(jiffies);
memcpy(dev->dev_addr, priv->plat->mac, ETH_ALEN); memcpy(dev->dev_addr, re->plat->mac, ETH_ALEN);
ether_setup(dev); ether_setup(dev);
dev->mtu = 1500; dev->mtu = 1500;
dev->watchdog_timeo = TX_TIMEOUT; dev->watchdog_timeo = TX_TIMEOUT;
spin_lock_init(&priv->page_lock); spin_lock_init(&re->page_lock);
spin_lock_init(&priv->phy_lock); spin_lock_init(&re->phy_lock);
err = ramips_mdio_init(priv); err = ramips_mdio_init(re);
if (err) if (err)
return err; return err;
err = ramips_phy_connect(priv); err = ramips_phy_connect(re);
if (err) if (err)
goto err_mdio_cleanup; goto err_mdio_cleanup;
return 0; return 0;
err_mdio_cleanup: err_mdio_cleanup:
ramips_mdio_cleanup(priv); ramips_mdio_cleanup(re);
return err; return err;
} }
@ -848,7 +848,7 @@ static const struct net_device_ops ramips_eth_netdev_ops = {
static int static int
ramips_eth_plat_probe(struct platform_device *plat) ramips_eth_plat_probe(struct platform_device *plat)
{ {
struct raeth_priv *priv; struct raeth_priv *re;
struct ramips_eth_platform_data *data = plat->dev.platform_data; struct ramips_eth_platform_data *data = plat->dev.platform_data;
struct resource *res; struct resource *res;
int err; int err;
@ -886,15 +886,15 @@ ramips_eth_plat_probe(struct platform_device *plat)
ramips_dev->base_addr = (unsigned long)ramips_fe_base; ramips_dev->base_addr = (unsigned long)ramips_fe_base;
ramips_dev->netdev_ops = &ramips_eth_netdev_ops; ramips_dev->netdev_ops = &ramips_eth_netdev_ops;
priv = netdev_priv(ramips_dev); re = netdev_priv(ramips_dev);
priv->netdev = ramips_dev; re->netdev = ramips_dev;
priv->parent = &plat->dev; re->parent = &plat->dev;
priv->speed = data->speed; re->speed = data->speed;
priv->duplex = data->duplex; re->duplex = data->duplex;
priv->rx_fc = data->rx_fc; re->rx_fc = data->rx_fc;
priv->tx_fc = data->tx_fc; re->tx_fc = data->tx_fc;
priv->plat = data; re->plat = data;
err = register_netdev(ramips_dev); err = register_netdev(ramips_dev);
if (err) { if (err) {