ramips: raeth: use 're' instead of 'priv' everywhere
authorGabor Juhos <juhosg@openwrt.org>
Wed, 15 Feb 2012 18:33:38 +0000 (18:33 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Wed, 15 Feb 2012 18:33:38 +0000 (18:33 +0000)
SVN-Revision: 30552

target/linux/ramips/files/drivers/net/ramips.c

index 6fa1151..781a68b 100644 (file)
@@ -560,49 +560,49 @@ ramips_setup_dma(struct raeth_priv *re)
 static int
 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 int tx_next;
        dma_addr_t mapped_addr;
 
-       if (priv->plat->min_pkt_len) {
-               if (skb->len < priv->plat->min_pkt_len) {
-                       if (skb_padto(skb, priv->plat->min_pkt_len)) {
+       if (re->plat->min_pkt_len) {
+               if (skb->len < re->plat->min_pkt_len) {
+                       if (skb_padto(skb, re->plat->min_pkt_len)) {
                                printk(KERN_ERR
                                       "ramips_eth: skb_padto failed\n");
                                kfree_skb(skb);
                                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;
-       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);
 
-       spin_lock(&priv->page_lock);
+       spin_lock(&re->page_lock);
        tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0);
        tx_next = (tx + 1) % NUM_TX_DESC;
 
-       if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) ||
-           !(priv->tx[tx].txd2 & TX_DMA_DONE) ||
-           !(priv->tx[tx_next].txd2 & TX_DMA_DONE))
+       if ((re->tx_skb[tx]) || (re->tx_skb[tx_next]) ||
+           !(re->tx[tx].txd2 & TX_DMA_DONE) ||
+           !(re->tx[tx_next].txd2 & TX_DMA_DONE))
                goto out;
 
-       priv->tx[tx].txd1 = (unsigned int) mapped_addr;
-       priv->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE);
-       priv->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len);
+       re->tx[tx].txd1 = (unsigned int) mapped_addr;
+       re->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE);
+       re->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len);
        dev->stats.tx_packets++;
        dev->stats.tx_bytes += skb->len;
-       priv->tx_skb[tx] = skb;
+       re->tx_skb[tx] = skb;
        wmb();
        ramips_fe_wr(tx_next, RAMIPS_TX_CTX_IDX0);
-       spin_unlock(&priv->page_lock);
+       spin_unlock(&re->page_lock);
        return NETDEV_TX_OK;
 
  out:
-       spin_unlock(&priv->page_lock);
+       spin_unlock(&re->page_lock);
        dev->stats.tx_dropped++;
        kfree_skb(skb);
        return NETDEV_TX_OK;
@@ -612,7 +612,7 @@ static void
 ramips_eth_rx_hw(unsigned long 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 max_rx = 16;
 
@@ -621,19 +621,19 @@ ramips_eth_rx_hw(unsigned long ptr)
                int pktlen;
 
                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;
                max_rx--;
 
-               rx_skb = priv->rx_skb[rx];
-               pktlen = RX_DMA_PLEN0(priv->rx[rx].rxd2);
+               rx_skb = re->rx_skb[rx];
+               pktlen = RX_DMA_PLEN0(re->rx[rx].rxd2);
 
                new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
                /* Reuse the buffer on allocation failures */
                if (new_skb) {
                        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);
 
                        skb_put(rx_skb, pktlen);
@@ -644,26 +644,26 @@ ramips_eth_rx_hw(unsigned long ptr)
                        dev->stats.rx_bytes += pktlen;
                        netif_rx(rx_skb);
 
-                       priv->rx_skb[rx] = new_skb;
+                       re->rx_skb[rx] = new_skb;
                        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,
                                                  MAX_RX_LENGTH,
                                                  DMA_FROM_DEVICE);
-                       priv->rx_dma[rx] = dma_addr;
-                       priv->rx[rx].rxd1 = (unsigned int) dma_addr;
+                       re->rx_dma[rx] = dma_addr;
+                       re->rx[rx].rxd1 = (unsigned int) dma_addr;
                } else {
                        dev->stats.rx_dropped++;
                }
 
-               priv->rx[rx].rxd2 &= ~RX_DMA_DONE;
+               re->rx[rx].rxd2 &= ~RX_DMA_DONE;
                wmb();
                ramips_fe_wr(rx, RAMIPS_RX_CALC_IDX0);
        }
 
        if (max_rx == 0)
-               tasklet_schedule(&priv->rx_tasklet);
+               tasklet_schedule(&re->rx_tasklet);
        else
                ramips_fe_int_enable(RAMIPS_RX_DLY_INT);
 }
@@ -672,18 +672,18 @@ static void
 ramips_eth_tx_housekeeping(unsigned long ptr)
 {
        struct net_device *dev = (struct net_device*)ptr;
-       struct raeth_priv *priv = netdev_priv(dev);
-
-       spin_lock(&priv->page_lock);
-       while ((priv->tx[priv->skb_free_idx].txd2 & TX_DMA_DONE) &&
-              (priv->tx_skb[priv->skb_free_idx])) {
-               dev_kfree_skb_irq(priv->tx_skb[priv->skb_free_idx]);
-               priv->tx_skb[priv->skb_free_idx] = 0;
-               priv->skb_free_idx++;
-               if (priv->skb_free_idx >= NUM_TX_DESC)
-                       priv->skb_free_idx = 0;
+       struct raeth_priv *re = netdev_priv(dev);
+
+       spin_lock(&re->page_lock);
+       while ((re->tx[re->skb_free_idx].txd2 & TX_DMA_DONE) &&
+              (re->tx_skb[re->skb_free_idx])) {
+               dev_kfree_skb_irq(re->tx_skb[re->skb_free_idx]);
+               re->tx_skb[re->skb_free_idx] = 0;
+               re->skb_free_idx++;
+               if (re->skb_free_idx >= NUM_TX_DESC)
+                       re->skb_free_idx = 0;
        }
-       spin_unlock(&priv->page_lock);
+       spin_unlock(&re->page_lock);
 
        ramips_fe_int_enable(RAMIPS_TX_DLY_INT);
 }
@@ -691,27 +691,27 @@ ramips_eth_tx_housekeeping(unsigned long ptr)
 static void
 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
 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);
 
        ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);
 
        if (fe_int & 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) {
                ramips_fe_int_disable(RAMIPS_TX_DLY_INT);
-               tasklet_schedule(&priv->tx_housekeeping_tasklet);
+               tasklet_schedule(&re->tx_housekeeping_tasklet);
        }
 
        return IRQ_HANDLED;
@@ -720,7 +720,7 @@ ramips_eth_irq(int irq, void *dev)
 static int
 ramips_eth_open(struct net_device *dev)
 {
-       struct raeth_priv *priv = netdev_priv(dev);
+       struct raeth_priv *re = netdev_priv(dev);
        int err;
 
        err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED,
@@ -728,27 +728,27 @@ ramips_eth_open(struct net_device *dev)
        if (err)
                return err;
 
-       err = ramips_alloc_dma(priv);
+       err = ramips_alloc_dma(re);
        if (err)
                goto err_free_irq;
 
        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_TX_WB_DDONE | RAMIPS_RX_DMA_EN |
                RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS),
                RAMIPS_PDMA_GLO_CFG);
        ramips_fe_wr((ramips_fe_rr(RAMIPS_FE_GLO_CFG) &
                ~(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);
 
-       tasklet_init(&priv->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping,
+       tasklet_init(&re->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping,
                     (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_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAMIPS_FE_INT_ENABLE);
@@ -773,7 +773,7 @@ ramips_eth_open(struct net_device *dev)
 static int
 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_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 */
        ramips_fe_wr(0, RAMIPS_FE_INT_ENABLE);
 
-       ramips_phy_stop(priv);
+       ramips_phy_stop(re);
        free_irq(dev->irq, dev);
        netif_stop_queue(dev);
-       tasklet_kill(&priv->tx_housekeeping_tasklet);
-       tasklet_kill(&priv->rx_tasklet);
-       ramips_cleanup_dma(priv);
+       tasklet_kill(&re->tx_housekeeping_tasklet);
+       tasklet_kill(&re->rx_tasklet);
+       ramips_cleanup_dma(re);
        RADEBUG("ramips_eth: stopped\n");
        return 0;
 }
@@ -795,32 +795,32 @@ ramips_eth_stop(struct net_device *dev)
 static int __init
 ramips_eth_probe(struct net_device *dev)
 {
-       struct raeth_priv *priv = netdev_priv(dev);
+       struct raeth_priv *re = netdev_priv(dev);
        int err;
 
-       BUG_ON(!priv->plat->reset_fe);
-       priv->plat->reset_fe();
+       BUG_ON(!re->plat->reset_fe);
+       re->plat->reset_fe();
        net_srandom(jiffies);
-       memcpy(dev->dev_addr, priv->plat->mac, ETH_ALEN);
+       memcpy(dev->dev_addr, re->plat->mac, ETH_ALEN);
 
        ether_setup(dev);
        dev->mtu = 1500;
        dev->watchdog_timeo = TX_TIMEOUT;
-       spin_lock_init(&priv->page_lock);
-       spin_lock_init(&priv->phy_lock);
+       spin_lock_init(&re->page_lock);
+       spin_lock_init(&re->phy_lock);
 
-       err = ramips_mdio_init(priv);
+       err = ramips_mdio_init(re);
        if (err)
                return err;
 
-       err = ramips_phy_connect(priv);
+       err = ramips_phy_connect(re);
        if (err)
                goto err_mdio_cleanup;
 
        return 0;
 
 err_mdio_cleanup:
-       ramips_mdio_cleanup(priv);
+       ramips_mdio_cleanup(re);
        return err;
 }
 
@@ -848,7 +848,7 @@ static const struct net_device_ops ramips_eth_netdev_ops = {
 static int
 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 resource *res;
        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->netdev_ops = &ramips_eth_netdev_ops;
 
-       priv = netdev_priv(ramips_dev);
+       re = netdev_priv(ramips_dev);
 
-       priv->netdev = ramips_dev;
-       priv->parent = &plat->dev;
-       priv->speed = data->speed;
-       priv->duplex = data->duplex;
-       priv->rx_fc = data->rx_fc;
-       priv->tx_fc = data->tx_fc;
-       priv->plat = data;
+       re->netdev = ramips_dev;
+       re->parent = &plat->dev;
+       re->speed = data->speed;
+       re->duplex = data->duplex;
+       re->rx_fc = data->rx_fc;
+       re->tx_fc = data->tx_fc;
+       re->plat = data;
 
        err = register_netdev(ramips_dev);
        if (err) {